February 2014 www.wireropenews.com
The Tacoma Narrows Bridge Practice Makes Perfect story on page 8
Wire Rope as Art story on page 18
20
14 In S fo se u rm e pp a pa l ge ie tio 47 rs n fo D fo r d ir r: et ec ai t ls or
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Vol. 35, No. 3 February 23, 2014 Publisher & Editorial Director Edward Bluvias, III Contributing Editor Barbara Spencer Circulation Director Patricia Bluvias Graphics & Layout Don Tywoniw web site: www.wireropenews.com
Contents Features Practice Makes Perfect. Even in Bridge Building at the Tacoma Narrows ...............................................8
The events that twisted and plunged this iconic bridge into the Tacoma Narrows Strait of the Puget Sound still teach us a lesson almost 75 years later. By Pete Hildebrandt.
Spillman Farmer Architects Completes Lafayette College Arts Plaza ..........................18
This unique architectural project transformed a former auto-repair facility into a dynamic outdoor teaching space, and wire rope played an integral part in the design. By Peter Wilk.
Wire Rope Keeps Towers Standing ..................26
of Wire Rope News ISSN 0740-1809 Wire Rope News & Sling Technology is published by-monthly by Wire Rope News, LLC, 511 Colonia Blvd., Colonia, New Jersey 07067-2819. (908) 486-3221. Fax No. (732) 396-4215. Address all correspondence concerning advertising, production, editorial, and circulation to Wire Rope News, LLC, P.O. Box 871, Clark, New Jersey 07066-0871. Subscription rates: $20 per year, domestic; $30 per year, foreign; $25 per year, Canadian. Quantity discounts of three or more subscriptions available at $15 each per year, domestic: $25 each per year, foreign: $18 each per year, Canadian. Single copies: $4 per issue, domestic; $6 per issue, foreign; $5 per issue, Canadian. Copyright © 2014 by Wire Rope News, LLC, 511 Colonia Blvd., Colonia, New Jersey 07067. All rights reserved. Publisher reserves the right to reject any material for any reason deemed necessary. Printed in the USA Published bi-monthly; Oct., Dec., Feb., April, June, Aug. Issued 3rd week of month published. Insertion orders, classified, and editorial copy must be received before the 20th of month preceding date of publication (e.g. May 20th for June issue). Email: info@wireropenews.com
How wire rope is critical in keeping the ever constantly expanding array of cell towers standing. By Pete Hildebrandt.
Wire Rope and Synthetics Keep Trees Viable as Long as We Watch for Warning Signs ...........34
Old trees are a beautiful an essential part of nature until they pose a danger of falling. Wire rope to the rescue. By Pete Hildebrandt.
Information for 2014 Suppliers Directory ....47 Cover photo:
New tower being built at Tacoma Narrows Bridge, ca. 2005. See article, page 8.
photo: © Joseph Becker via Dreamstime.com.
Departments Advertiser’s Index . .............................................75 Steel Industry News ...........................................43 The Inventor’s Corner . .......................................56 New Products .....................................................70 People in the News ............................................72 Classified ............................................................76 Wire Rope News & Sling Technology February 2014
7
Practice Makes Perfect. Even in Bridge Building at the Tacoma Narrows by Peter Hildebrandt
The failure of the first Tacoma Narrows bridge in November 1940 may be among the most dramatic and well-remembered film clip ever recorded. Engineers, physics students and all those simply interested in the world around them never seem to tire of watching and commenting on the bridge that ripped apart in the relentless 42 mph winds that day only four months after the bridge officially opened in July of the same year.
T
he event brought forth investigations, studies, debate, and rancor among engineers but eventually led to a much better understanding of how the flexibility of such structures - both vertically and horizontally - in combination with a relatively narrow bridge width can give rise to extreme aerodynamic torsional forces. Subsequent generations of suspension bridges have benefited from far more robust designs that have corrected possible problems from oscillations from just the slightest winds occurring. Though this bridge did fail, out of that failure came deep understandings of what needed to be done to correct such problems in the future. The bridge opened on July 1, 1940 to public acclaim. It had been completed in record time Tacoma Narrows Bridge with middle section crashing into the water, Tacoma, WA. Photo: Bashford and and, with a 2,800 ft. central Thompson. University of Washington Libraries, Special Collections, UW21422. span, was the third largest span in the world. The people of western forces in an elegant type of bridge that ferent methods to limit the movement. Washington celebrated the realization was gaining popularity at the time: the Film footage at the time of the opening show people and vehicles crossing the of their hopes when the Tacoma Nar- suspension bridge. Early on this toll bridge gained the bridge while it is gentle rocking. rows Bridge opened to traffic. The original Tacoma Narrows Bridge This first suspension bridge to cross nickname “Galloping Gertie.” Those the Tacoma Narrows, which separates crossing paid 55 cents per car, 15 cents was built between November 1938 and Tacoma, Washington, from the south- per extra passenger, and 15 cents for July 1, 1940. Viewed as a vital economic ern part of the Olympic Peninsula was pedestrians. It even became something and military portal to the Olympic pena long-time dream of area residents. of a tourist attraction. Lines of up to 50 insula, its completion was called a triThat structure opened to traffic but cars formed, waiting to ‘ride’ the gently umph of man’s ingenuity and perseverance. Four months after it opened to the succumbed to wind-induced instabil- undulating bridge. Although engineers were convinced public it fell, an event later described as ity just four months later. Although no lives were lost in that stunning collapse that the structure was safe, in late July the “Pearl Harbor of engineering.” Though at the time many people – with the exception of a black Cocker 1940 the University of Washington, unSpaniel named “Tubby” - the event der the direction of an engineering pro- seemed to be in shock about the colshook the engineering community and fessor, F.B. Farquharson, began filming lapse, the bridge also always had some prompted many to question the profes- the bridge’s movement and conducting wavelike undulations even in the final sion’s understanding of wind-induced a series of experiments to attempt dif- phases of its construction. Perhaps 8
Wire Rope News & Sling Technology February 2014
New pair of twin suspension bridges spanning the Tacoma Narrows strait of Puget Sound. Photo: © Sirarmstrong via Dreamstime.com.
such activity, because it was occurring, was thought to somehow be normal for this structure. Farquharson and other University engineers were hired to suggest methods
to reduce the movement on the bridge. Over the next few months experiments were conducted on a scale model but a solution to the problem proved elusive. Perhaps engineers on the Tacoma Nar-
East anchorage cable splay assembly of the Tacoma Narrows Bridge, March 5, 1940. Photo: Simmer. University of Washington Libraries, Special Collections, UW12080.
rows Bridge could have benefited from the work of George Washington Bridge builder, Othmar Ammann. As Ammann hung his bridge’s suspender cables and the bridge deck took shape, he felt that, though the use of strengthening, stiffening trusses can prove to be critical, his GW Bridge could do without them to keep the structure from vibrating and bowing. Ammann’s gamble, his going with his gut in the case of the George Washington Bridge paid off in the end. But his bridge was also much heavier and wider than the Tacoma Narrows Bridge. Designers of the Tacoma Narrows Bridge made the same decision as Ammann. But in their case the results were far different. But it can get quite windy along the Hudson River in Upper Manhattan as well, yet the GW Bridge remains standing. Clearly the design, one using simply steel girder without strengthening trusses proved the main factor in the bridge’s collapse. The wind accenuated the problem, letting this design flaw doom the bridge a mere four months after completion. As mentioned above, the GW Bridge did without the trusses which most likely would have held the Tacoma continued on next page
Wire Rope News & Sling Technology February 2014
9
One of the Tacoma narrows bridge Towers against a nearly cloudless blue sky, August 2nd, 2012. Photo: © Robert Keenan via Dreamstime.com.
continued from previous page Narrows Bridge in place and keep it from undulating in the wave motion eventually proving fatal to its existence. On November 7, 1940 Professor Farquharson witnessed and documented the dramatic collapse of this, the third longest suspension bridge in the world at that time one also containing the longest single span in the country. In the aftermath many theories were brought forth regarding the cause of the bridge’s collapse. But in the end, an investigative board for the Washington State Toll Bridge Authority concluded failure came from the bridge’s design in the face of the Narrow’s winds. With this cause of wind-induced instability, the dramatic collapse sparked renewed research into the aerodynamics of suspension bridges, research that informed the design of both of the newer structures. Perhaps no bridge owner has been more aware of why changes would have to come in the design of the replacement bridge and more vigilant in its efforts to prevent similar disasters, than the Washington State Department of Transportation (WSDOT). The agency opened a suspension bridge replacement for that first bridge in 1950. This new structure was constructed on the original bridge’s deep water caissons 10
and above its submerged debris field. As the Tacoma Narrows Bridge was being dismantled, Farquharson, also director of the University of Washington Engineering Experiment Station, was employed by the state to create and test a scale model of the original bridge to confirm the cause of the bridge’s collapse. The new bridge floor was made with a lightweight concrete to counteract the placement of a wider bridge that carried four lanes of traffic. The increased weight of the bridge added foundation pressures of 6%. The anchorages were substantially enlarged to support the increased weight. Tests continued to run for the duration of World War II. These tests confirmed the collapse of the original bridge was due to its flexibility and inability to absorb the dynamic forces caused by the wind in the Narrows. Tests also consistently showed a new bridge design that would withstand steady winds of 125 mph. Steel became available in late 1947, and although there were initial problems in finding financiers, construction on the $14,000,000 replacement bridge began in June 1948. The floor also had open steel gratings between each driving lane to act as stabilizing agents. Double acting hydrau-
Wire Rope News & Sling Technology February 2014
lic jacks were also place on the towers and bridge deck where the main cables connected to the supporting cables and the trusses. The new design called for a wider bridge that was heavier and sturdier than the original. The girders were open trusses that offered less wind resistance than the solid girders of the first bridge. The original piers were used to build towers with legs that, instead of being 50 ft apart at the bottom and 39 ft at the top, were 60 ft apart at top and bottom thus creating better distribution of load on the piers. The pedestals had to be removed and constructed to support the new legs. On October 14, 1950, 29 months after construction began, the new Tacoma narrows Bridge opened to the public. Slowed by fire and an earthquake, construction lasted longer than anticipated. Once the spinning of the wire rope cables for the bridge was complete the strands were compacted and welded cable bands were placed around them. The cables were then wrapped in galvanized wire before being laid in a thick paste of red lead. Finally they were painted to match the towers, the final step involved with this bridge’s cables construction. But the need for additional traffic cacontinued on page 12
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continued from page 10 pacity across the Tacoma Narrows was acknowledged as early as the 1980s. In 1993 various proposals were issued under a specific stipulation of a Washington legislative request for publicprivate proposals to develop transportation infrastructure projects in the state. Development of the new bridge began that same year. On September 25, 2002, the WSDOT issued a notice to proceed, directing Tacoma Narrows Constructors (TNC)—a 50:50 joint venture of Bechtel Infrastructure Corporation, of San Francisco, and Kiewit Pacific Company, of Omaha, Nebraska—to plan and build the new suspension bridge parallel to and some 55 miles south of the existing crossing. TNC retained Parsons/HNTB, a joint venture of Parsons Transportation Group—part of Parsons, of Pasadena, California—and HNTB, which has its headquarters in Kansas City, Missouri, to design the bridge and supply other engineering services. In July, 2007 the department celebrated the completion of a new Tacoma Narrows Bridge, which alleviated traffic congestion on the 1950 crossing. This latest bridge project allowed the WSDOT to benefit not only from the knowledge that
Current Narrows Bridge viewed through trees from west side, Gig Harbor, ca. 1955. Photographer: unknown. University of Washington Libraries, Special Collections, UW7092.
has been gained in the decades since the original bridge’s collapse but also from the comparatively new project delivery method, design/build. Design build teams incorporate innovations in an efficient and cost-effective manner, something not always possible using other bridge building methods. Opening on time and under budget, this
latest narrows bridge bears witness not only to the effectiveness of modern engineering and design methods but also to the rewards conferred by collaborative planning and teamwork. This new structure would have a main span 854 meters in length and be a way for travelers on Route 16 to cross continued on page 14
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continued from page 12 eastward from Gig Harbor, Washington to Tacoma. This bridge would also be among the first suspension bridges on the North American continent to feature a design-build contract, carrying a definitive delivery date and fixed price. The bridge’s two 155 meter tall reinforced-concrete towers are founded on massive reinforced-concrete gravity caissons built by open dredging. Gravity anchorages on the hillsides serve to secure the suspension cables. The sus-
pended superstructure consists of 7.2 m deep and 1,646 m long continuously welded steel trusses with an built-in orthotropic steel deck. The design is such that a future roadway or lightrail system on a deck beneath the main deck may be a future possibility. Though a cable-stayed bridge was one of the construction options, the appeal of a suspension bridge won out, particularly in light of the fact that the 1950 bridge built on the site of the original bridge that failed was a sus-
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pension bridge too. Though starting out with only one lane for high-occupancy vehicles and two lanes for all other traffic, in time the public pushed for inclusion of a fourth lane devoted to traffic entering from Gig Harbor and exiting at Tacoma. Structural elements of the bridge, including the towers and foundations, the anchorages, and the superstructure framing, were designed to physically accommodate the second deck, but an alternate cable system would have to be added to fully support the lower level should the need for it arise. Detailed analysis, including seismic and aerodynamic studies, were conducted to support the design of these elements for these potential future loads. Early in the project the design/build team tackled the challenge of determining the most suitable foundation type for the two main towers of the new bridge. Two prominent types were considered in detail: large-diameter drilled shafts and deep water gravity caissons. Because of the unique and challenging site conditions—including very deep water, swift tidal flows, geotechnical features that made it possible for boulders to conflict with foundation locations, and the overall design and construction risk associated with using drilled shafts—gravity caissons were selected. In arriving at that decision, integrated design and construction teams advanced two competing initial designs and then evaluated the benefits of every possible foundation design and construction scenario. This approach enabled the teams to review every facet of construction planning early in the design development phase and also yielded a design solution that met the needs of those who would be constructing the caissons. The soil conditions at the caisson locations result from glacial deposits of sand, gravel, and silt, and the depth to bedrock is estimated to be roughly 550 meters. These really dense granular soils provide a effective bearing stratum for the caissons and made it possible for the caisson sinking operations to go on expeditiously using conventional clamming equipment. Each of the two caissons consists of a 5.5 meters tall steel armored cutting edge, false-bottom air domes that provided buoyancy during construction, a submerged reinforced-concrete caisson body more than 20 stories high encompassing integral dredge wells, and a 4.6 m thick caisson cap designed to receive the pedestal of the tower base. As decontinued on page 16
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continued from page 14 signed, the footprint of each caisson is 24.3 by 39.6 meters; their heights are 64 and 58 meters. The new bridge caissons are a mere 20 meters from the foundations of the 1950 bridge, and site reconnaissance revealed that they were to be constructed at the location of a scour hole created by 64 years of tidal flows. A scour analysis of the existing bridge showed that while the scour hole was very large, it had a long way to go to reach its full potential. Site investigations using underwater video equipment and current profiles revealed that a layer of gravel had formed on the seabed and was resisting further scouring. Because the new caissons required a level bed on which to land, it was necessary to excavate down to the natural seabed, which would expose the entire area, including the existing bridge, to further scour. Therefore, during periods of low tidal flows, the seabed was leveled and a thick layer of rip rap was placed to armor the areas around both the new and the existing bridge foundations. During the sinking operations, each caisson was held in place by a radial pattern of sea anchors, each adjusted
16
for every lift of the caisson concrete. The positioning of the caisson was controlled by Global Positioning System (GPS) receivers and land surveys, the tolerances being less than 75 mm. An innovative construction method was developed to mitigate the harsh conditions at the site. The steel cutting edge was prefabricated in a dry dock operated by Todd Shipyards Corporation, a shipbuilder based in Seattle, and towed to Tacoma, where an additional 12.8 meters of the caisson was constructed on top of it. Each caisson was subsequently towed to the bridge site, maneuvered into position, and moored to an extensive anchoring system to hold it in place while construction operations proceeded. The design of the caissons for the new bridge, above, was critical to advancing the remainder of the bridge design. The caissons were constructed above water by casting the concrete in lifts and then slowly sinking the caissons to the mud line and excavating through their dredge wells. Each of the main suspension cables, right, was spun in the air on-site; each cable contains 8,816 highstrength steel strands. The engineers planned to test a second model of the proposed new design
Wire Rope News & Sling Technology February 2014
to assure its strength. A structural research lab was constructed to house a wind tunnel in which the models would be tested. Built in a half-tubular shape, the building was made of laminated wooden arches covered with composition roofing paper. 100’ x 34’ and 31’ high at its highest point with an office and shop on either end, the building provided adequate space to run tests on both the original and proposed design of the Tacoma Narrows Bridge. Clearly designers and engineers had come a long, long way since the construction of the original bridge in the late 1930s. The end result, however, of all this extra engineering and scientific study, prior to and during construction, was a bridge built with a deeper knowledge of the aerodynamics over a fixed object than had ever been. The second bridge, built at the site of the first, was described in the “Souvenir of Tacoma Narrows Bridge,” 1950, as “a combination of men’s dreams, fortitude, and inventive ingenuity which with private capital has created a masterpiece of engineering skill together with the solution of a dire economic need.” This time the suspension bridge and its wire rope cables stood firm against the winds of the Narrows. WRN
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Spillman Farmer Architects Completes Lafayette College Arts Plaza in Easton, PA
Wire rope plays a part in this award winning project by Peter Wilk President, Wilk Marketing Communications
The American Institute of Architects (AIA), Pennsylvania Chapter awarded a 2013 Citation of Merit to the recently completed Lafayette College Arts Plaza in Easton, PA. Spillman Farmer Architects (SFA) of Bethlehem, PA served as the project’s architect. The Citation of Merit recognizes projects that represent excellence through exceptional details or special design aspects. The Arts Plaza was also awarded a Special Mention in the Architecture + Urban Transformation category in the 2013 Architizer A+ Awards.
T
he $1.7-million, 7,000-sq.-ft. Arts Plaza is a raw, open-air space for the arts at Lafayette College. The project transformed a former auto-
repair facility into a dynamic outdoor teaching space that responds to its natural environment and built context. Designed as an outdoor black box the-
ater, the plaza hosts a wide variety of planned and spontaneous artistic endeavors, including performance art, continued on page 20
The 7,000-sq.-ft. Lafayette College Arts Plaza in Easton, PA is a raw, open-air space for the arts designed by Spillman Farmer Architects at a former site of an abandoned former auto-repair facility. Photo by Barry Halkin Photography, courtesy of Spillman Farmer Architects
18
Wire Rope News & Sling Technology February 2014
The cleaned and refinished timber structure of the former garage preserved the ‘phantom’ building for visual impact and human scale. Photo by Barry Halkin Photography, courtesy of Spillman Farmer Architects
continued from page 18 visual art exhibits, and small group musical performances. The project is located at 235 North Third Street
in Easton, PA. Spillman Farmer’s work for the college started when the school began to grow beyond its confines and into
CW_AD_LSB_092012_Layout 1 4/2/13 9:38 AM Page 1
Easton’s downtown – a town and gown relationship that culminated in the redevelopment of an entire industrial block. “It was a series of vacant buildings. The college took on the responsibility of redeveloping these utilitarian facilities into a large arts education and exposition hub for the entire Lehigh Valley region,” Spillman Farmer Design Principal Joseph N. Biondo, AIA, recalled. Biondo began working with the college in early 2000 to design the Williams Visual Arts Building. Following this project and several smaller planning and building stabilization assignments throughout the arts campus, Spillman Farmer and the college focused on the adjacent garage. “The facility had been built over a creek, and while the structure was in good shape, the facade was deteriorated. We saw an opportuof the nity to create an open-air teaching space,” Biondo said. “Unlike many urban developments, which are conceptualized as ‘infill’ of an existing context, the Arts Plaza is an urban ‘unfill’ project. The continued on page 22
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Spillman Farmer Architects selected humble, utilitarian materials such as clinker brick, steel, wire rope, and re-purposed timber to create a dramatic, yet elegant and restrained arts complex that complements the post-industrial urban environment of Easton and provides a new gateway for the Lafayette College. Photo by Barry Halkin Photography, courtesy of Spillman Farmer Architects
continued from page 20 existing building had solid walls that blocked the relationship between the site and the community. We removed these walls to create new types of connections in and around the site, bringing together the Easton community, the college, the natural environment, the streetscape, and local history,” Biondo continued. “These interactions encourage a focus on user experience, material richness, spatial transparency, and sensory stimulation.” At its core, the project is a distillation of the existing structure. The facility’s concrete platform foundation and timber frame, both salvaged and reutilized elements of the former building, are complemented by newly introduced masonry and steel. The existing structure and new interventions work together, telling a story of history and use, while creating a new identity for the space. The Arts Plaza introduces new materials, such as brick and steel, in unconventional ways. They lend a tactile, experiential quality to the space, while honoring the city’s prevailing architecture as required by the Easton Historic Review Board, which had to approve the design. The plaza’s masonry walls are clad with clinker brick, a cast off of the brickmaking process, whose curvature and malformations are accented, rather than minimized. The brick’s curvature and imperfections provide 22
texture and counterbalance the wellorganized, restrained space. The 3,200-sq.-ft, clinker-clad walls are 29 feet high. The project features 30,000 Mohawk clinker bricks manufactured by Colonial Brick, the only manufacture of this type of bricks in the nation. The Mohawk bricks are 4 inches wide, 2 ¼ inches high, and 8 inches long. The Mazella Group served as the masonry contractor. Inside the plaza, the design team repaired and refinished the concrete floor slab. The engineers calculated loads where the new steel armatures had to rest on the concrete floor, ensuring the structural integrity of the slab and the arched structure below. “The cleaned and refinished wood structure preserved the ‘phantom’ of the building for visual impact and human scale,” Biondo said. “We installed tensions rods between the timbers to provide lateral stability for the existing structure. We also removed the roof to create an open trellis effect,” he noted. The crews protected and refinished the timbers with Sikkens Cetol-1 translucent Natural Oak finish. The selection of humble materials and the re-purposing of many elements of the old structure represent Spillman Farmer’s signature design approach of utilizing familiar, utilitarian materials to create extraordinary architectural results. This philosophy steered the design process that has resulted in a
Wire Rope News & Sling Technology February 2014
dramatic, yet elegant and restrained arts complex that complements the post-industrial urban environment of Easton and provides a new gateway for the college. The project physically spans Bushkill Creek, one of the waterways that are vital to the city’s history, and one of Easton’s most important natural elements. Biondo explained that the design allows for connections between the street front, the plaza, and the creek. To take further advantage of this connection, an oculus was cut into the plaza’s floor slab that allows visitors to view and hear the creek below. A steel frame for the oculus repurposes demolition remnants. The bubbling sounds of water are amplified by this opening, adding to the sensory experience of the creek, the displayed art, and the surrounding structure. New masonry monoliths express the plaza’s streetfront. These obelisks rely only on the traditional craft of stacking brick to create openings and provide a structural, sculptural form. In contrast to the existing timber structure, new structural steel elements between the monoliths provide a scale and presence appropriate to the plaza’s urban context. These masonry columns and steel elements work together to create a rhythm at the street edge. Their scale and material echo the neighboring Williams Visual Arts Building. Their spacing continues the street’s rhythm, while creating openness and inviting movement into the plaza. The project incorporates two cubic structural steel armatures, each draped with a veil of stainless steel mesh. These transparent, ghost-like structures complement the masonry monoliths and reflect the dimensions and rhythm of windows of the nearby Williams Building. The delicate details of the steel mesh, carefully lit at night and adorned with climbing vegetation, organically complete the forms and bring a natural softness to the hardedged, industrial streetfront. This effect is reinforced in the winter, when ice and snow build up on the mesh. The X-TEND stainless wire rope mesh fabric presented a challenge to the construction team. Manufactured in the U.S. and Europe by Chicagobased Carl Stahl DecorCable, an affiliate of Germany’s Carl Stahl International, it was a long-lead item that had to be taken into account when planning and phasing the project. Stuttgart, Germany-based Officium engineered the X-TEND system out of continued on page 24
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continued from page 22 a wire rope spun by Sava Industries in Riverdale, NJ. The X-TEND system features AISI 316 stainless steel cables and seamless ferrules, which create a metal fabric that forms a diamond pattern as it is installed. The armatures, fabricated and erected by McGregor Industries of Dunmore, PA, feature 32 tons of steel, mainly W8x28s structural steel members. As the project neared completion, the college decided to connect the Williams Building to the Arts Plaza and opted for a new entrance located within the clinker brick-faced side wall. Spillman Farmer created a new opening in an existing corridor inside the Williams Building. The design team used this new, final element of the plaza to introduce a three-dimensional, human-scale element into the wall. The new entrance features a gabled frame constructed entirely of clinker brick. The new opening’s undulating lines highlight the texture and irregularity of the brick. In addition to Spillman Farmer, other project team members included Whiting-Turner Contracting Co., construction manager; Lehigh Valley Engineering, electrical engineer; Barry Is-
24
ett and Associates, structural engineer; and McTish, Kunkel & Associates, civil engineer. Spillman Farmer Architects Spillman Farmer Architects is an interdisciplinary practice of design professionals focused on delivering innovative building solutions based on human-centered design. Since 1927, Spillman Farmer has worked closely with client organizations and communities to deliver high-quality, effective, and inspiring places to live, work, play, and learn. The 30-person firm is led by six principals: Daniel Harrigan, AIA, Frederick Allerton, AIA, Joseph N. Biondo, AIA, Christa Duelberg-Kraftician, AIA, Russel Pacala, AIA, and Salvatore Verrastro, AIA. Spillman Farmer serves a diverse clientele, including education, commercial, corporate, healthcare, senior living, industrial, and civic markets across the United States. Spillman Farmer’s collaborative team works in a LEED Gold-certified open studio located in a sustainable office building developed on the former Bethlehem Steel brownfield site. AIA Pennsylvania recently selected Spillman Farmer to receive the inau-
Wire Rope News & Sling Technology February 2014
gural 2013 Architectural Firm Award, the organization’s highest honor, in recognition of the firm’s consistently demonstrated commitment to design excellence and outstanding contributions to the profession of architecture for a period of at least 10 years. The firm’s recent projects include the 67,000-sq.-ft. ArtsQuest Center, a multi-functional cultural arts building on the former site of Bethlehem Steel in Bethlehem, PA; Sigal Museum in Easton, PA, an adaptive reuse of a dress shop into a museum; Ben Franklin Technology Partners of Northeastern PA’s 109,000-sq.-ft. TechVentures office space and technology incubator in Bethlehem, PA; more than 20 projects at Elon University in Elon, NC, including the six-building Global Neighborhood; the 47,400-sq.-ft., $13.6 million Muhlenberg College East Hall in Allentown, PA; and the new, $26-million Easton City Hall and intermodal transportation hub in Easton. WRN Peter Wilk is president and founder of Brooklyn, NY-based Wilk Marketing Communications, a media relations firm that specializes in the engineering and construction industries. He may be reached at peter@wilkmarketing.com.
Wire Rope Keeps Towers Standing For ever-changing communication system technology by Peter Hildebrandt
With the constantly expanding need for data due in large part to such widespread use of the iphone and other devices, the need for towers to transmit all of that information is not going away anytime soon.
P
eople need to have their according to the tower builder. instruments and electronEIPIA with its standards and ics. The internet is ever at regulations ensure that the towour fingertips. As the technology ers are engineered for a certain gets smaller and smaller as well material, whatever the tower as even more capable of transis being erected with or the guy mitting data, the infrastructure wires, what they are constructed to relay the information must be from whether that includes a cerexpanded as well. tain carbon composition allowing The towers to accomplish that for expansion and retraction in feat will, for the foreseeable fuvarying weather. Everything is ture, remain a part of our modcalculated to a confidence. ern landscape. Those towers “For example if we are installing have got to handle everything a tower in January, we’re going to that is coming from the millions have greater tension with the guy of devices now in use. This is an wires being installed than there industry that is growing at an would be if we were installing a exponential rate and towers are tower in mid-August. All of these critical if the industry is to refactors all come in line with mamain viable. terial makeup, the type of tower Technology, no matter how versus geographical location, wind seemingly rudimentary has been speeds and things of that sort; the main driver in the need for there is a substantial amount that towers all over the world. Radio goes into actually deciding what and then television towers were type of tower, how high and where among the first. Early tower into build these towers.” stallations for radio broadcastThe thickness of the wire rope ing offered problems similar guy wires used on the tower deto those met in guying stacks, pends on the geographical area in poles, derricks and similar strucwhich the tower is found. Towers tures. Guys for these moderatein North Dakota are going to be height structures were usually much easier to install than towmade of regular wire rope. ers in the mountainous areas or The advent of television and in a valley. Everything depends FM broadcasting, however, creon what the structural demands ated a need for towers of greater will be. How much equipment is height. In fact, the idea of a towgoing to be mounted on the tower er being 2,000 feet tall or more and how much material does the is no longer uncommon. The Wire tensions must match such factors as the climate in the tower need to hold. area, especially taking wind and heat/cold into account. guying of these larger towers Guy wire sizes used run everypresented problems not faced with the “We can get cellular signals in the where from 7/16 diameter up to ½ inch. smaller towers. For example, wind and building but the coverage is not as great On the larger towers those diameters ice loads must now be considered, both due to line of sight impedance. But I can be as high as one inch or even two during installation and in the tighten- don’t think the development of more lo- or three inches in size. Nine sixteenths ing up of the wires after erection. calized and headquartered systems will would be among the smallest sized guy “Despite the development of cell ever affect the need for power from the wire used on a tower. Those constructphone and data coverage for individu- broadcasting stations that we have out ing the towers will add more, whether al buildings centered in cities, I don’t in the field, in more rural locations.” it be a torque arm to stop twist, sway think that will ever affect the general Satellite transmission has been and wind shear on the tower or to acbroad range coverage that we handle,” available for 30-40 years now. That count for factors that will affect the explains the owner of a tower builder would be thought to be something tower in that area. in the northern Midwest, north of Min- which might surpass tower transmisNo lubrication is used on the wires. neapolis-St. Paul, Minnesota. sions, but towers are still here to stay, continued on page 28 26
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continued from page 26 feet in height. They can have up to four sets of antennas mountThey are galvanized when ed on them. The overwhelmthey are constructed and are ing majority of T-Mobile’s cell assembled with turnbuckles phone transmission antennas and preforms. The set up is are on the monopole towers. akin to a Chinese finger, the There are some cases where Tmore pressure you pull with, Mobile and other carriers have the tighter it gets, explains co-located antennas on existing the tower construction comtowers with guy wires, but that pany owner. “All they use is is rare, according to Mark Wilan epoxy resin base with some son external affairs manager at sand in it, rubbing that on the T-Mobile. The towers that are inside of the preform. up to four or five hundred feet “With the epoxy sand, when in height and have guy wires, that tightens down it helps for the most part are radio towgrip the guy wire. The preform ers. is six or seven strands of wire “Industry-wide what seems that are inter-laid together to be happening is that we’re and form a twist to them. They lowering the network,” explains come out to an ‘I’ and come Wilson. “We now have a lot more back so that when it’s open it small cell deployments. When looks like a ‘U’. All that you do wireless communications netis wrap that around the guy works were first developed we wire. As you pull on that prewere putting the antennas on form the epoxy resin and sand tall buildings, mono poles and bites into the guy wire itself. The tighter you pull, the tight- Proper mooring is critical and must reach the right depth for the water tanks. But what we’re tower and its particular setting and situation. looking at now is increased deer than preform gets.” mand for capacity; people use Standards were made up by the EIA/TIA (Electronic Industries concrete to 300 pounds per square foot, their cell phones now as hand-held comAlliance/Telecommunications Industry they would just add 200 pounds per puters. It’s not just a voice communicaAssociation) the 222-G Protocol. The square foot for concrete and then use tion device. But of equal, if not greater Midwestern company gets their guy the soil itself as back fill to make their importance is the transmission of data wires from distributors here in the U.S. calculations to 300 pounds per square and the sending of information back and Among the biggest challenges, accord- foot. This isn’t done anymore because forth.” That is really putting a huge load on ing to that individual is the weather. such factors as erosion or upheaval They will install the towers in the dead can make it dangerous. On a lot of the the existing networks so that other wireof winter and the height of summer. towers where that method has been less carriers are ready to expand their One recent installation took place west used you will see the upheaval of the networks by putting a lot of smaller, of Fargo, North Dakota during a time anchors; it’s just not a real safe way to more diverse wireless cells around the area. For example at Union Station in when the temperature with the wind- anchor a tower.” chill we 45 degrees below zero. The holes are generally dug out with Chicago, instead of having one big anIn the summer, lightning is a prob- a backhoe. This is definitely not an tenna outside for coverage, T-Mobile has lem as are birds. The entire tower is industry or a project that an individ- a half dozen smaller antennas located one big lightning rod. They make sure ual would want to undertake without within Union Station to cover that masthat everything is grounded in order knowing exactly what they need to do, sive traffic because there are literally to protect the system that are operat- according to the Midwestern source, thousands upon thousands of people cying on the tower. A basic 300 foot guy because one miscalculation, one wrong cling through there each day catching tower will contain anchors that fans step or one cut corner can result in the trains and going to work. Everyone nowout from the ground at a three to five deaths of many individuals aside from adays always wants to be connected. “It’s really more of a small cell dedegree angle. It goes into the ground the costs incurred. about 20 feet deep to an “L” bracket. “It’s definitely not an easy thing to do ployment going forward,” adds Wilson. Concrete is poured into the hole to off- but if you have the education and back- “This includes putting the antennas on set the weight before being back filled. ground tower construction, engineer- street poles and street lights for example. They’re much lower but more effec“Back years ago, engineers used to off- ing and assembly can be easy.” set the engineered portion of what the Cell phone towers typically do not tive in downtown areas as well. “Each area has ‘stealth’ antennas anchor weights would be by condition of have a need for wire rope cable in the soil uses out there,” he adds. “Clay for vast majority of cases. The now-ubiq- designed to hide them in some areas. example at 30 pounds per square foot uitous gray columns along interstate Poles look like pine trees, palm trees or would need an anchor with 300 pounds highways or in various place around event like buffalo as was the case with per square foot and they would factor in towns or out in the country are what one hilltop antenna in Wyoming. Towthe amount of concrete they would need, keep us in touch with our ever-shrink- ers have been around a long time and factor in how much that soil actually ing hand held devices. Technology that no doubt will continue to be around weighs per square inch and they would is already making the latest generation for some time to come. Satellites can use that calculation to offset what they unaware of a time before texting or in- transmit signals but for use to use them for cell phones we’d have to go back to would need for material. stant phone calls. “They wouldn’t have to add all the continued on page 30 Cell phone towers average 100-150 28
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continued from page 28 a brick-sized cell phone because you would need that much battery power in that case. For the immediate future I don’t see cell phone towers going away.” There are also lots of towers out there for broadcasting enthusiasts such as ham radio operators, as there have been for years. If you have the land, the materials and the time it is possible to construct your own tower. This has its challenges but as long as certain guidelines are followed it may be possible to accomplish such a feat. Steve Morris, author of Up the Tower: The Complete Guide Tower Construction and someone who has built over 150 amateur radio towers and antenna systems over a period of 15 years has some basic points to remember when constructing a tower. “By avoiding these mistakes you can make your tower and antenna system safer and more reliable,” says Morris. “You might even sleep better when that big storm blows through.” Many of these are common sense words of wisdom. Chief among them is following the manufacturer’s specifications. Commercially manufactured towers must comply with current standards for wind loading and structural integrity. Licensed Professional Engineers (PEs) design the towers and make the calcula-
tions to make them safe. If those specs are not followed, there is a good chance such towers won’t take the stresses and loads they’re subject to and fail. “An immutable law of antenna and tower construction is to do what the manufacturer says,” cautions Morris. “Violation of this rule could be catastrophic. Also, don’t do what the manufacturer does not say.” It’s not a good idea to invent something that the manufacturer hasn’t intended. One ham operator was installing a KLM antenna that used the Lexan element brackets, according to Morris. After final assembly, he spraypainted the whole antenna with clear Krylon spray paint because he always did that to protect his antennas. Regrettably the Krylon reacted with the Lexan in the boom-to-element brackets and cracked all of them. This was not recommended by the manufacturer. Another individual taped the bottom of the turnbuckles on the anchor end of his tower guy wires. Over time, the tape trapped water that rusted the turnbuckle and he couldn’t see it because it was covered up by the tape. All it took was a medium-sized windstorm to break the turnbuckle and have the tower fail. “Did the manufacturer say to tape the turnbuckles?” asks Morris. “Not only did he
do something the manufacturer didn’t specify, but he also neglected to perform an annual inspection.” Overloading is among the most common reason for amateur tower failure. The planning and building of a tower and antenna system must involve the wind speed rating for the county where the structure is to be located. Manufacturer’s specifications for that wind speed should be taken into account tower builders must not exceed the wind load rating based on those factors. This is even more important for crank-up towers. As Morris points out, numerous amateurs overload their towers and get away with it. “I’ve seen tower installations that have violated just about every one of the ten mistakes and their installation has been up for 20 years. Manufacturers have built in some amount of engineering overhead - sometimes 30 to 50% and sometimes the tower is actually stronger than the engineer’s specs. “However, this over-engineering is done to increase long-term reliability, not to let you put more antennas on it. Whatever the reason, it’s never a good idea to overload anything. If in doubt, err on the side of conservatism.” Underestimating wind force may continued on page 32
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continued from page 30 be something fairly easy to do during tower planning, construction and installation. Wind forces on a tower and antenna system can be enormous. Those who have never been up on a tower in the middle of a windstorm may not fully appreciate how important those pressures are. Additions in wind pressure are not linear; wind loading goes up as the cube of wind speed, according to Morris. Only a 10 mph rise in wind speed can increase the wind force by almost 50% in a number of cases. For those wanting the exact figure for the wind speed in their county, www.championradio.com, under “Tech Notes,” will be a great help. County wind speeds for all 3,076 counties in the United States are found there. Other things to remember in tower construction include using the correct mast for the job as well as being certain that the guy wires tensioned properly. Proper guy wire tension is a vital part of a tower’s ability to deal with wind stresses. “Having the wrong tension can be like driving your car with over or under-inflated tires,” says Morris. “It is potentially dangerous and is not the proper specification from the manufacturer. Having too little tension can
32
Once the tower is anchored, its foundation and moorings need to be checked periodically, once a year depending upon the conditions.
result in wind slamming of the tower and guys as the tower is blown back and forth. Too much tension puts too much pre-load on the guys and lowers the safety margin significantly. “Probably 90% of ham towers use 3/16” EHS steel guy wires. Guy wire tension is typically 10% of the breaking strength - in the case of 3/16” EHS that would be 400 pounds. The only inexpensive and accurate way to measure this is to use a Loos Tensioner. The
Wire Rope News & Sling Technology February 2014
Loos PT-2 which does 3/16” and 1/4” wire rope sizes, is also available.” Other important points for tower constructors to remember is that a proper grounding system must be used, annual inspections need to be done, tower sections need to be fit together correctly on the ground and correct tower hardware must be utilized. Says Morris, “Using the wrong hardware is a recipe for disaster. “Since tower and antenna materials are inconstant state of deterioration, you should only use hardware that minimizes corrosion. Galvanized or stainless steel materials are the only ones that will survive outdoor use reliably. While corrosion is a big problem, using the wrong hardware also includes substituting the wrong hardware, i.e. using general hardware store-type bolts for tower legs when they call for SAE Graded ones; using hardware totally unsuited for the task, i.e. installing the wrong type of ‘screw-in’ anchor or anchor rods; use of non-closed-eye eyebolts (use only welded or forged ones); use of the wrong guy material EHS only; as well as many more examples. Using the wrong hardware can be disastrous.” “We really do sell many of our Tension Gauges to the Tower Market, and we have supplied this class of trade with reliable instruments for many years,” Phillip R. Cox, Vice President Sales And Marketing, Loos & Co., Inc. Cableware Division Naples, Florida. “Our ‘Tension Gauges,’ as we prefer to call them, are mechanical spring-loaded gauges that are calibrated at our factory prior to shipment. “This enables Loos to provide a relatively inexpensive and reliable tool that when used according to our instructions will read cable tension accurately to within + or – 5%. We provide gauges that read in ‘pounds’ as well as in kilograms for metric sizes of cables. Cables can actually be adjusted while our Tension Gauge is attached to the cable, and the reading needle will move during adjustment.” Cell phone towers are now an accepted part of the landscape. If you are uncertain about that or the reason for that being so, try to find a coin-operated pay phone anywhere. If you do find one, chances are it will be rust-encrusted and fairly sooty. Cell phone use has also recently been linked to a decline in poverty levels in places, such as a number of third world countries where they are being used worldwide. Likewise, in the case of guyed towers for radio and television transmissions, those towers much taller than most cell towers are also not disappearing anytime soon. WRN
Wire Rope and Synthetics Keep Trees Viable as Long as We Watch for Warning Signs by Peter Hildebrandt
The trees in our midst are the gift that keeps on giving. Once planted trees turn passing time into massive objects of stunning beauty and imagination that can help us to forget our busy stress-filled lives just by taking the time to observe them. Of course opinions vary too.
I
n the wake of a hurricane oaks or maple trees can also seem like our worst nightmare. What was once a graceful shade-giving woody plant of over one hundred years of age can smash and destroy a house completely within seconds. Trees are living things which respond to their environment. Unlike us, of course they are unable to escape their immediate environment by going somewhere else. Urban living conditions too, can sometimes differ greatly from those under which trees naturally grow up. In this respect, an urban location of trees in many cases has a damaging effect on the wellness of urban trees. That leads to biological and static weaknesses, for example rotten or too long and slim stems. Trees then turn into a safety risk for the surroundings and the people. Tree care activities try to prevent such mainly location-related weaknesses prophylactically or to correct and remove them subsequently. Crown bracing may provide a sensible addition to species-related proper tree care by helping to maintain a valuable tree in its natural habit or to remove a safety risk like the danger of breakage of weak branches. Trees are cabled to reduce the stress damage from high winds, the weight of snow or ice as well as that from particularly heavy foliage on the tree. The goal is to strengthen weak branches and limbs so that they have an improved chance of surviving severe weather as well as having a greater longevity. Typically the cable is installed two-thirds of the height of the tree that is trying to be protected. Prior to installation, the tree should have its branches properly pruned to reduce the weight. A certified arborist should make the decision on whether a tree needs to be cabled. 34
Maintenance on the tree cable over the years is usually minimal but at some point, as the tree grows, it may be necessary to move the cable further up the trunk to remain effective. Cabling and bracing is the main method of using wire rope to keep trees viable, upright and protected. Cables and brace rods offer secondary structural reinforcements in an effort to cut down the risk of failure of weak branches and multiple stems. Cables by and large consist of high strength steel attached to bolts installed in the upper crown of a tree. The intention is to limit the movement of the supported branches so they are less likely to fail during high winds or storms. Braces are thread rods that are installed through unions of weak branches and multiple stems to provide more rigid support from torsional (twisting) forces that can occur in violent weather. Bartlett Tree Experts developed cabling and bracing procedures in the early twentieth century that are
Wire Rope News & Sling Technology February 2014
the industry standards and still used today. Most of the cabling Steve Johnston, vice president and division manager for Bartlett does is steel. If synthetics are specified on a job they will do that. He finds that if synthetically cabled trees are not continually monitored, the equipment can girdle the tree. His company covers much of the Southeast. “Our biggest challenge with cabling is making sure that the dead ends match the cables; other than that it’s a pretty straightforward service for us,” explains Johnston. “The dead end is the wire wrap that grabs the cable and goes through the I-bolt. That hardware must match the cable. Other than that it’s a simple system to install. “Everything has to be in line, no angles. When you side load the hardware it weakens it. You must be sure when you install the dead end that you install a heavy-duty thimble properly. The thimble must be spread so that it continued on page 36
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continued from page 34 stays in place because if the thimble falls out, the bolt can wear on the eye of the dead end. There are a lot of small details but installing cables is still not complex.” A small pen light laser is sometimes used to line up cables. A hole will be drilled on one side of the tree, about 9/16th and the laser is turned on slid into the hole and then that will point to where the hole needs to be on the other limb so that everything is in line. Supplemental structural support systems should only be installed based on a thorough inspection and evaluation of tree structure by our certified arborists. Materials and techniques must comply with published industry standards (American National Standards Institute A-300 Standards). If trees have lightning protection systems, the conductor must be attached to any support cables in the crown. Homeowners with supplemental structural support systems should contact the tree cabling installer to inspect the system each year. Typically trees in populated areas, ones with the potential of creating property or personal damage are those that would be cabled. A tree in a remote area would not usually be
cabled; there needs to be a target that may sustain damage that is being protected by cabling of a tree. Sometimes an arborist will recommend that a tree be taken out completely as there is too much liability for a homeowner, even with cabling installed on that tree. Cabling and bracing procedures involve installing hardware such as steel rods and cables into trees that are identified to have branches that are structurally weak and are candidates to fail during storm events or even under normal branch load. Bracing a tree can extend its life while making it safer. A tool called a J-lag screws into the trunk of the tree and on that a steel cable will be attached, connecting the
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Wire Rope News & Sling Technology February 2014
two halves of the tree actually working against each other. Typically cabling is done in the upper third of the tree’s canopy. Bracing makes use of an all-thread, continued on page 38
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continued from page 36 a threaded rod for when a tree starts to separate and needs to be stitched or held back together with a rod through the entire trunk of the tree. Bracing is done in conjunction with cabling up above as the brace alone is usually not able to hold the tree together. Over the last 15 years the Germans have developed a product, called Cobra that uses synthetic materials to hold tree limbs together. Some arborists like these systems in such trees as the Hackberry or the Silver maple because they aren’t as invasive to the tree as the steel material. Those two species are not as adept at compartmentalizing wounds as some other tree species so the synthetic cabling methods are a good fit for them. As with a steel cable system, arbor-
ists will still want to inspect a synthetic cabling system to be sure it is still properly placed and still properly functioning. Tree experts like how it permits the tree to continue its natural growth process, continuing the development of the reaction wood that helps the tree retain its strength. The system provides more of a shock absorber unlike steel cable that is a lot more rigid. However, if the tree has an active split in the trunk a steel cable must be used, synthetic will not be adequate in those circumstances. Michael Veneziano Owner/ Operator and Certified Arborist with Ponderosa Tree Service Oakland, California explains that tree cabling is a common practice. “Back in the day they used galvanized steel cable or simply wire rope,” says Venezia-
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Wire Rope News & Sling Technology February 2014
no. “Now, stainless steel aircraft cable is more commonly used. Thin-strand wire, up to 50 strands is traditionally what’s been used and what was regularly used.” When Veneziano first started doing tree work 30 years ago, when the cable was attached to the branch or trunk of the tree they would have to unbraid the end of the line and literally wrap individual pieces in order to make an eye in the end of it. Now they put it through the available hardware and use clamps that are specially used for that type of function; this is a lot easier, according to Veneziano. “I think it was both easier and stronger using the new system. Sevenstrand galvanized steel is not as strong as wire rope. Wire rope is significantly stronger. I also think that while it was galvanized, it was still subject on some level to eventually start rusting; it wasn’t uncommon to see that in the really old cables.” Veneziano saw the new systems for tree cabling and decided that they were going to be much easier than the old ones for cabling. The American National Standards Institute (ANSI) creates specifications for various aspects involving equipment and materials. In the case of tree cabling ANSI determined what can and cannot be done when someone is cabling a tree. “For instance you are not supposed to use the wrong kind of cable because it will fail. The ANSI regulates standard work practices such as this. “It used to be that you could drill a hole in the tree and screw in a forked I-screw six inches deep into the tree and then attach the hardware. Now ANSI specifies you have drill a hole entirely through the tree, the hardware sticks out the other end and that’s where you must put a bolt and a nut on the other end so that that cable and the equipment in the branch or trunk can’t slip out.” As Veneziano points out, when ANSI changes standards for such things as tree cabling guidelines, they don’t go notifying all the tree companies and arborists that those standards have been changed. But as a tree professional those changes should be known, according to Veneziano. One reason for change in the standard was due to the fact that hardware was being put in the trees and then it was slipping out. “I think that the conclusion was made that the only way to prevent this from happening was to put the bolt all the way through the tree and have a nut on the other side,”
says Veneziano. “ANSI is famous for making specs that are not going to fail, that are going to work – which makes it more difficult for people like me who know what they’re doing.” The live oaks in northern California where Veneziano does a lot of his work are very strong and don’t often need a lot of cabling. But there are many other species in the region that do need cabling. Incense Cedar trees commonly need cables, according to Veneziano as do Monterrey Cypress, California Bay Laurel, Monterrey Pine or almost any large tree that has more than one trunk. “Often big trees that have multiple trunks will end up failing at the junction and one part of the tree will give out when there are two or more trunks. Tree work is not an exact science because trees are unpredictable and each individual tree is a little different. “The general instructions state that you are supposed to cable a tree twothirds of the way up. Why? Why not half way up from where the junction in the branches that you are worried about to prevent breaking.” What people don’t understand, according to Veneziano, is that in order for trees to develop the cabling must be done in a way that will not cause atrophy or weakening of the tree. Veneziano tries to do his cabling at the place that will cause the most natural mobility for the limbs on the tree. He also was able to work with Richard Harris, an arbor culture expert who has written a textbook on working with trees. “I worked with Dr. Harris on a grant study for an invention I developed for tree work. Dr. Harris would never answer my questions directly, but he asked me questions on cabling. He eventually wrote a book on this subject and may have used some of the information on being careful not to place cables too high in the branches to cause lack of movement by the tree and eventual atrophy.” Though tree cabling represents only five percent of Veneziano’s work there are still challenges associated with the work. He finds it is getting harder and harder to find the appropriate hardware to do the work. Much of the equipment comes through mail order and the use of arborists catalogs. “But as with a lot of other tree guys, we don’t plan ahead so well. Sometimes we need to run into the local store for the wire rope and the hardware. If they’re not carrying it then you must wait for that to be ordered and come into stock.” He used to be able to go into Home
Depot and purchase the I-screws for his work or the J-screws. “This is such a niche use that the super stores and large box stores aren’t selling the equipment anymore. Even the places where I do find the materials I need are not always stocked up all the way. “Another issue is the fact that we are such a litigious society that trying new techniques and going with what you feel might work with cabling may be somewhat stressful; as mentioned earlier this work tends to be more of an art than a science.”
Typically, cabling is done two-thirds of the way up and lag screws or reverse thread “J” screws may be used. This can be a challenging process because the length of the cable must be exactly right. The length cannot be too tight. It must allow for some give. Frequently it is the crotch of the tree, a split in a “V” below the branches that cablers are attempting to secure. Synthetic cabling systems contribute to keeping of trees as close to their natural conditions. In such setups it is imcontinued on page 42
Wire Rope News & Sling Technology February 2014
39
continued from page 39 portant to provide tree guards with an additional and effective way to remove safety risks in trees in a careful, easy and quick manner and to re-establish traffic safety. Synthetic systems such as the Cobra Crown bracing system can also be easy and practical to handle and can be applied according to the individual situation. Being a single-component system, it provides an ideal flux of force according to the principle of a chain of equal links, it is flexible in its application, simple to inspect and is in line with the current technical guides. The systems have a long service life generally and are able to be disposed of in an environmentally sound way. The growth of something called “reaction wood” in the tree is promoted in these dynamic systems. Synthetics do require some maintenance after they are installed. Arbor Guard in Atlanta has found the static cables using steel wire rope work best for them. The cable they use is called EHS (Extra High Strength). This is similar to the cable used for guy wires on power poles, a seven-stranded steel cable.
42
They typically use cable from the 3/16 inch diameter size all the way up to 5/16 in size. On rare occasions they will use a 3/8 inch size cable. For small ornamental trees they might use something even smaller; but 90% of the cable they use is going to be 5/16 EHS cable. Putting the cable in the right place is a constant challenge as trees don’t always grow in a predictable fashion. A tower can be guyed a certain way but a tree grows the way that it wants. There is actually a lot of common sense involved with tree cabling, according to Brendan Gill, certified arborist with Arbor Guard. “But then everyone’s common sense is also a bit different too,” says Gill. “As long as they’re sticking to certain basic guidelines a pretty good job can be done. The system that we use can be a little bit fiddly for people who haven’t used it an awful lot so sometimes certain components can be installed out of place. “It’s still a fairly strong system but is not rated at its maximum capacity so we have a safety meeting every year just to recap and go over it that way; though we install a lot of cable we don’t have a lot of issues with it.”
Wire Rope News & Sling Technology February 2014
The Wire Stop System, manufactured in Athens, Georgia is what they use. The object is to shore up the tree and give homeowners some piece of mind. Pruning is suggested prior to doing the work with the cable. Gill has seen systems installed incorrectly, pulling out completely. “But I’ve never seen a correctly installed cable fail; I’m not saying it’s never happened, just that I’ve never seen it happen.” Gill mentions that the synthetic system has to be monitored and adjusted every year. But visiting trees that have the synthetic cabling on them does not always happen. The wire rope tree cabling systems are not maintenancefree either. “We install them ideally about two thirds of the way up front the crotch or split. As time goes by the tree gets taller but that installation point doesn’t get any higher. Over ten years of good growth, after ten years we may go in and install a new cable at the right height, though that doesn’t always happen. Probably the best thing to do is check on the current cable and then if enough growth has happened, leave that old one in place and put another one in up higher. The lower one is still doing something, just not working to its full capacity.” If a tree that they’ve done extensive cabling on has to be cut down, they have to be very careful how they do that because the tree has come to depend upon that cable being in place, according to Gill. They must either slacken up the cables before they cut them or install a rope and block in order to crank the limb up and reduce the tension on the cable before cutting down the tree. “Trees don’t grow in a textbook manner,” adds Gill. “Each one is different and each species may require different hardware; magnolia is a weaker tree with softer wood. Most of our cables go into oaks. I have been called in to fix cables that were incorrectly installed. Our firm is committed to installing everything exactly as it should be; it is perhaps too common to see tree cabling which has been done incorrectly. The most common type we install is a direct cable from one limb directly to another. Installing a bracing rod is something we will do if there is a crack at the crotch of the tree or if it looks like a crack might occur.” “We’re trying to support and reduce the likelihood of failure of structurally deficient trees,” adds Johnstone. “Wire rope Cabling lets us save any trees that are still viable and worth keeping around.” WRN
Preliminary steel imports decrease 4% in December
Import market share 22% in December Based on preliminary Census Bureau data, the American Iron and Steel Institute (AISI) reported that the U.S. imported a total of 2,502,000 net tons (NT) of steel in December 2013, including 1,884,000 net tons (NT) of finished steel (down 3.5% and 1.5%, respectively, vs. November final data). 2013 full year total and finished steel imports are 32,146,000 and 24,825,000 net tons (NT), respectively, each down 4% vs. full year 2012. Finished steel import market share was an estimated 22% in December and is estimated at 23% for full year 2013. Key finished steel products with a significant import increase in December 2013 compared to November are hot rolled sheets (up 25%), hot rolled bars (up 22%), standard pipe (up 19%), sheets and strip hot dipped galvanized (up 18%) and line pipe (up 13%). Major products with significant full year 2013 import increases vs. full year 2012 include reinforcing bars (up 23%) and hot rolled bars (up 15%). In December, the largest volumes of finished steel imports from offshore were all from Asia and Europe. They were from South Korea (300,000 NT, up 21% vs. November final), Japan (146,000 NT, up 4%), China (143,000 NT, down 12%), Germany (94,000 NT, down 9%) and India (65,000 NT, up 135%). For full year 2013, the largest offshore suppliers were South Korea (3,718,000 NT, up 2% vs. 2012), China (1,898,000 NT, up 15%), Japan (1,894,000 NT, down 2%), Turkey (1,204,000 NT, down 11%) and Germany (1,112,000 NT, down 13%). See the accompanying charts on estimated steel import market share in recent months and on finished steel imports from offshore by country.
November steel shipments down 9.0 percent from October
Up 2.8 percent from prior year The American Iron and Steel Institute (AISI) reported that for the month of November 2013, U.S. steel mills shipped 7,604,428 net tons, a 9.0 percent decrease from the 8,287,553 net tons shipped in the previous month, October 2013, and a 2.8 percent increase from the 7,397,149 net tons shipped in November 2012. Shipments year-to-date in 2013 are 87,790,788 net tons, a 0.8 percent decrease vs. 2012
shipments of 88,465,543 net tons for eleven months. A comparison of November shipments to the previous month of October shows the following changes: hot dipped galvanized sheets and strip, down 7 percent, hot rolled sheet, down 7 percent and cold rolled sheet, down 8 percent.
Consumers view advanced high-strength steel as the answer to safety, performance and fuel efficiency according to new market research report
At the 2014 North American International Auto Show today the steel industry unveiled conclusive findings from a recent market research study regarding the role of steel in automobiles, revealing an overwhelmingly positive perception of steel across the consumer market. The 2013 U.S. Truck & SUV Market Study of more than 3,000 U.S.-
based truck and SUV owners was commissioned by the Steel Market Development Institute (SMDI), a business unit of the American Iron and Steel Institute, and conducted by MindClick Global, a leader in supply chain research and sustainability. The study shows that building on the extensive steel grade portfolio leads to definitive results in automotive safety, fuel efficiency and decreased carbon footprint. It also highlights the steel industry’s leadership in performance, recycling and offering economical solutions for the auto industry to help meet Corporate Average Fuel Economy regulations. “Through innovation and continuous improvement, we have developed a wide range of advanced high-strength steel – or AHSS – grades enabling carmakers to make more efficient vehicles and reduce greenhouse gas emissions. continued on next page
Wire Rope News & Sling Technology February 2014
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continued from previous page Our AHSS grades protect the environment in the same way they protect the driver,” said Lawrence W. Kavanagh, President of SMDI. “AHSS feature unique metallurgical properties and processing methods that enable the automotive industry to meet current and future fuel economy and safety requirements, without increasing costs.” MindClick Global conducted more than 3,000 online interviews with participants representing the broader U.S. consumer market, obtaining a representative sample by gender, age, income, SUV and truck ownership and purchase interest. The study revealed at a 95 percent statistical confidence level that the manufacturing of vehicles using AHSS grades increases overall automaker brand equity to the consumer. Contributing factors included steel’s reputation for safety, performance and fuel efficiency. Consumers Applaud High Safety Standards According to consumer feedback, when directly compared to other automotive materials, steel is more strongly associated with strength, safety and protection of the family, an important and personal element of a consumer’s driving experience. The strength of the material used in the frame and body of the vehicle holds as much significance over purchasing decisions as brand and cost. This consumer trust and confidence in steel as a safe, green and fuelefficient material also helps to elevate overall automotive brand opinion and propensity to buy. “Based on the brand analysis, awareness of the use of AHSS directly correlated to an overwhelming amount of consumers, 90 percent, citing a strong preference for and likelihood to purchase brands that make use of AHSS,” said JoAnna Abrams, CEO of MindClick Global. “Approximately half of participants surveyed agreed that replacing steel with other materials would undoubtedly lead them to question how the vehicle handles normal wear and tear and raises concerns about the potential cost of vehicle insurance and repair.” Sustainable Steel Protects Passengers and the Planet According to the survey results, when consumers were made aware that trucks and SUVs made from AHSS achieve reduced greenhouse gas emissions without compromising safety, performance or affordability, steel was very strongly preferred (5:1 ratio) over alternative materials. 44
Wire Rope News & Sling Technology February 2014
Steel Institute comments on Draft Tax Reform Proposals, AISI says that repealing key provisions would raise effective tax rate on industry
Thomas J. Gibson, President and CEO of the American Iron and Steel Institute (AISI) reiterated the steel industry’s concerns with proposals in the tax reform discussion draft released last month by the Senate Finance Committee staff which recommends repeal of the current accelerated depreciation system (Modified Accelerated Cost Recovery System, or MACRS), the LastIn-First-Out (LIFO) accounting method, and other tax provisions supported by the steel industry and other U.S. manufacturers. In comments submitted to the Senate Finance Committee, Gibson said, “…We are very concerned that many of the proposals put forth in the cost recovery and accounting staff discussion draft will ultimately raise the effective tax rate on U.S. manufacturers by repealing longstanding tax incentives for investment in capital intensive industries. This will trigger an increase in the cost of capital, create a disincentive for new investment and ultimately slow economic growth.” In particular, Gibson said that for capital intensive industries, like steel, whose investments require significant cash expenditures and take a number of years to yield a return, accelerated depreciation “is a cash flow issue.” By providing a faster return on capital investment, accelerated depreciation often provides the cash flow necessary for a company to decide to undertake certain new investments that might not go forward otherwise. The draft also proposes a repeal of LIFO which Gibson said would cause a company to generate increased taxable income as if it had sold part of its inventory even though no real profit was made, triggering a retroactive tax increase and penalizing companies for using an accepted accounting practice. AISI’s comments also addressed a number of other tax code provisions that are important to the steel industry and manufacturers more broadly, some of which were also targeted for repeal in the discussion draft. Gibson concluded, “A redistribution of wealth from manufacturers to other sectors of the economy will not result in the pro-growth, job-creation, tax reform Members of Congress are seeking. We encourage [the Committee] to look at tax reform through the lens of what types of reforms and policies will trig-
ger substantial new investments in the U.S., which will result in increased job creation and economic growth.” More information and a complete copy of AISI’s comments to the Committee can be found on their website at www.steel.org in the News section.
Steel Institute ‘Cautiously Optimistic’ on State of the Union Speech
The head of the nation’s largest trade association representing steel producers today said that while President Obama’s State of the Union speech laid out some positive objectives, the proof will be whether or not he provides the tools and support for specific plans to achieve them. Thomas J. Gibson, President and CEO of the American Iron and Steel Institute (AISI) made the following comments in reaction to the speech: “I am cautiously optimistic about some of the goals the President talked 3_7x4.8750.pdf about to grow manufacturing in the U.S, and encouraged to hear him talk about the importance of improving our infrastructure, enhancing energy policies and promoting fair trade. And I am pleased he picked U.S. Steel’s Irvin Plant to visit the next day to re-
inforce his messages, which hopefully will continue to illustrate the critical importance of steel to the nation’s economic recovery. As I have said before, however, the devil will be in the details on how the Administration is going to achieve our shared manufacturing goals. “For example, the President must couple his efforts to open up markets with actions to ensure strong enforcement of our trade laws by addressing the import surge we are facing in steel and working with Congress to pass tougher trade enforcement legislation like the ENFORCE Act. We also hope his plan ensures ongoing trade negotiations include remedies for currency manipulation, as called for by the majority of Congress, and strong and enforceable disciplines on state-owned enterprises. “We have often urged that the President should articulate a national vision for how to rebuild America’s aging and deteriorating infrastructure– which is important to move steel products and is a steel-intensive market – and are pleased that he has proposed some ways to start rebuilding. And while we appreciate his efforts to cut red tape and streamline project deliv-
ery through Executive Orders, which we wrote to him on earlier this year, transportation infrastructure is an area where the President can show some real leadership. Further, we look forward to working with Congress and the Administration on a transportation funding plan that includes a dedicated source of revenue to meet current needs and future demand. “Also, on tax, as expected he called for lowering the corporate statutory tax rate and simplifying the tax code. In his efforts to do so, he must work to make sure the tax code maintains incentives to promote increased investment in domestic manufacturing facilities and equipment here in the U.S., and promote competitiveness globally. “On energy, we support the President’s goal of energy independence and harnessing clean energy; however, we are concerned that several key federal agencies are currently undertaking Trim size 7x4.87 efforts that could limit the amount of domestic oil and natural gas resources available for access and production. The President’s remarks, unfortunately, did not go far enough to discourage actions by his Administration that continued on next page
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continued from previous page might duplicate regulations on natural gas development already in place at the state level. “We will continue to work with the Administration on all of these issues to make sure these promises become real, for steel,” Gibson concluded.
Preliminary steel imports decrease 17% in November
Import market share 22% in November Based on preliminary Census Bureau data, the American Iron and Steel Institute (AISI) reported that the U.S. imported a total of 2,584,000 net tons (NT) of steel in November, including 1,906,000 net tons (NT) of finished steel (down 16.7% and 16.2%, respectively, vs. October final data). Yearto-date (YTD) total and finished steel imports are 29,636,000 and 22,933,000 net tons (NT), respectively, down 4% and 5% respectively, vs. 2012. Annualized total and finished steel imports in 2013 would be 32.3 and 25.0 million NT, down 3% each, respectively vs. 2012. Finished steel import market share was an estimated 22% in November and is estimated at 23% YTD. A key finished steel product with a
significant import increase in November 2013 compared to October is reinforcing bars (up 26%). Major products with significant YTD import increases vs. the same period last year include reinforcing bars (up 23%), hot rolled bars (up 14%) and sheets and strip all other metallic coatings (up 12%). In November, the largest volumes of finished steel imports from offshore were all from Asia and Europe. They were from South Korea (244,000 NT, down 38% vs. October final), China (163,000 NT, down 24%), Japan (139,000 NT, up 11%), Germany (103,000 NT, down 5%) and Turkey (75,000 NT, up 3%). For eleven months of 2013, the largest offshore suppliers were South Korea (3,413,000 NT, down 2%), China (1,755,000 NT, up 18%), Japan (1,746,000 NT, down 5%), Turkey (1,159,000 NT, down 11%) and Germany (1,017,000 NT, down 12%).
Dates for wire and Tube China 2014 announced
wire China 2014, the 6th All China International Wire and Cable Industry Trade Fair, and Tube China 2014, the 6th All China International Tube and Pipe Trade Fair, will be held con-
currently at the Shanghai New International Expo Center from September 24 - 27, 2014. Both events will be organized by Messe Düsseldorf China Ltd., a subsidiary of Messe Düsseldorf in Germany and the Metallurgical Council of the China Council for the Promotion of International Trade. In addition to several national supporting associations for both trade shows, the International Tube Association (ITA) will support Tube China 2014 internationally. wire and Tube China have developed into Asia’s largest and the world’s second largest trade fairs for their respective industries and are considered leading platforms for international companies to enter the Chinese market. The exhibitors at wire China 2014 will present systems for wire manufacturing and processing, tools and auxiliary materials for process engineering as well as materials and special wires. Current trends for cables, measuring and control technology will complete the ranges. At Tube China 2014, exhibitors will showcase the entire cross-section from tube finishing to tube processing. Prodcontinued on page 51
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48
Wire Rope News & Sling Technology February 2014
Accident Investigation _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Accident Prevention _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Aircraft Cable: Plastic Coated _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Aircraft Cable: Stainless/Galv _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Air-Skates _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Anchor Bolts _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Anchors _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Annealing Machines _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Anodes: Cathodic Protection _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Architectural _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Assemblies: Design Services _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Assemblies: Fiber Rope _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Assemblies: Large Diameter _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Assemblies: Small Diameter _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Associations: Trade _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Bails: Cast/Drop Forged _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Bent Bar Products _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Blocks _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Buoys _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Buttons & Ferrules _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Cable-Hoist Pullers _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Cable Terminators _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Calibration _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Cargo Control Devices _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Cargo Tie Downs _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Chain _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Chain Attachments _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Chain: Anchor _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Chain: Kiln _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Chain: Stainless _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Chains: Tie down _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Chains: Tire _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Chinese Fingers _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Clamps: Barrel _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Clamps: Beam _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Clamps: Drum _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Clamps: Lifting _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Clamps: Plate _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Clevis Assemblies _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Clevises _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Clips: Wire Rope _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Coil Hooks _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Computer Hardware/Software _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Container Hardware _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Contractor Supplies _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Conveyors: Industrial _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Cordage _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Covers _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Crane Blocks _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Crane Booms _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Crane Buckets _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Crane Overload Guards _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Crane & Rigging Consulting _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Crane Scales _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Crane Systems _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Cranes: Gantry _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Cranes: Load Testing _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Custom Lifting Devices _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Cutters: Wire Rope/Chain _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Cutting & Fusing Machines _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Dies: Hydraulic Swage _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Digital Indicators _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Dollies _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Drop Forging _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Dynamometers _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Elevator Cable _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Engineering _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Eye Bolts _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Fall Prevention _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Fall Protection _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Fenders _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Fiber Cores _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Fishing _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Fishing Gear _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
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Wire Rope News & Sling Technology February 2014
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Fittings: Industrial _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Fittings: Lashing Gear _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Fittings: Logging _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Fittings: Marine _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Fittings: Stainless _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Fittings: Swage _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Fittings & Hardware: Barge _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Fittings & Hardware: High Performance Slings _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Fittings & Hardware: Wire Rope/Chain _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Fittings/Terminations _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Fittings/Terminations: Custom Designed _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Forging _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Grips: Wire Rope _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Handbooks: Riggers _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hardware: Arborist _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hardware: Industrial _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hardware: Marine _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hardware: Rigging _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hardware: Stainless Steel _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hardware: Tie Down _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hardware: Truck _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hardware: Web Sling _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hardware/Handling: Logging _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hoist Rings: Swivel _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hoist Rings: Weld-on _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hoists: Chain/Electric/Lever/Etc. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hooks: Quick Release _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hooks: Wire Rope & Chain _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Importer/Distributor _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Inspection: Non-Destructive _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Inspection: Safety _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Jacks _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Jib/Light Rail _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Lashing Gear _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Lift Rings _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Lifting Beams: Load Leveling _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Links: Sling _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Load Binders _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Load Cells _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Load Insulators _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Load Securement _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Logging Supplies _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Lubricants: Wire Rope _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Lubrication _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Lubrication Systems: Wire Rope _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Machining _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Magnet Chain Assemblies _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Man Baskets _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Marking Equipment _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Marlin Spikes _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Mooring _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Nets _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Nets: Fishing _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Netting _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Nuts/Bolts/Washers: In All Metals _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Overhaul Balls _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Paints _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Payoff Equipment _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Proof Test Machines _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Proof Testing/Calibration _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Proof Testing/Certification _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Quality Management Consulting _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Radio Frequency Identification (RFID) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Railroad Handling Equipment _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Rams: Hydraulic _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Reels _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Rentals _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Resins: Socketing _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Riggers Pocket Guides _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Rigging Hardware _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Rigging: Industrial _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Rollers _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Ropes: Fiber _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Roundsling Machines _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Roundslings _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Safe Load Indicators _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Safety Products _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Safety Seminars _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
...then fill in the blanks with subheads...MAXIMUM 35 CHARACTERS including spaces.
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Place stamp here
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*Remember to check your FREE ONLINE LISTINGS at www.wireropenews.com FOLD HERE Scales _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Screw Machine Products _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Sewing Equipment _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Shackles _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Sheave Gauges _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Sheaves _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Sheet Lifters _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Sleeves _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Sling Manipulator: Powered _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Slings: Alloy Chain Mesh _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Slings: Chain _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Slings: High Performance Fiber _ _ _ _ _ _ _ _ _ _ _ _ _ Slings: Inspectable Roundslings _ _ _ _ _ _ _ _ _ _ _ _ _ Slings: Nylon/Polyester _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Slings: Remote Release _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Slings: Tubular _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Slings: Twin Path _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Slings: Wire Mesh _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Slings: Wire Rope _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Snaps _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Sockets: Anchor Pendant _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Sockets: Bridge _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Sockets: Elevator _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Sockets: In-Line _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Sockets: Mooring _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Sockets: Spelter _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Sockets: Swage _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Sockets: Wedge _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Special Lifting Devices: Design & Fabrication _ _ _ _ _ _ Special Swage Fittings _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Splicing: Rope/Wire Rope _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Splicing: Vises _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Spooling: On-Site _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Spreader Beams ____________________ Stevedore Gear _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Strand _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Stud Assemblies _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Surplus _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Swaging: On-Site _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Swaging Machines: Hydraulic _ _ _ _ _ _ _ _ _ _ _ _ _ _
Swaging Tools _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Swivels _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Tags: Sling _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Takeup Equipment _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Tarps/Covers _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Tension Links _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Tension Meters/Gauges _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Terminations: Jacketed Rope _ _ _ _ _ _ _ _ _ _ _ _ _ _ Terminations: Mechanical _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Test Benches _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Test Stands: Hoist _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Test Stands: Sling _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Test Stands: Spreader Beams _ _ _ _ _ _ _ _ _ _ _ _ _ _ Testing: Special Lifting Devices _ _ _ _ _ _ _ _ _ _ _ _ _ _ Testing Services: Wire Rope & Sling _ _ _ _ _ _ _ _ _ _ Thimbles _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Tie-down Assemblies _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Tongs/Plate Clamps _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Towing Bridles: Chain _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Towing Bridles: Marine _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Towing Equipment: Emergency _ _ _ _ _ _ _ _ _ _ _ _ _ _ Trolleys _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ FOLD HERE Truck Supplies _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Tuggers _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Turnbuckles _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Vacuum Lifters _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Videos: Safety _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Vises _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Wear Pads _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Wear Protection: Engineered _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Webbing: Synthetic-Nylon/Polyester _ _ _ _ _ _ _ _ _ _ _ Wheels _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Winches _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Wire _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Wire & Cable Equipment _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Wire Rope _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Wire Rope Machinery Repair _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Yacht Rigging _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Yarn/Fiber _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ OTHER LISTINGS _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
continued from page 46 ucts will range from raw materials, tubes and accessories to machinery for tube and tools manufacturing and process engineering. The shows’ last staging in 2012 closed with record results: 1,399 exhibitors presented the latest machinery and products from the wire, cable and tube processing industries to 33,469 visitors. In addition to the strong Chinese participation, wire and Tube China 2012 featured many European exhibitors and companies from traditionally well represented countries such as North America, South-East Asia, Japan, South Korea and Taiwan. For further information on visiting or exhibiting at wire China 2014 or Tube China 2014, contact Messe Düsseldorf North America, 150 North Michigan Avenue, Suite 2920, Chicago, IL 60601. Telephone: (312) 781-5180; Fax: (312) 781-5188; E-mail: info@mdna.com; Visit our web site www.mdna.com; Subscribe to our blog at http://blog.mdna. com; Follow us on twitter at twitter. com/WireTube_MDNA.
Spider conducts training for nearly 100 in Atlanta
Spider, a division of SafeWorks, LLC,
recently conducted customized Competent Person Training and User Training for nearly 100 workers to prepare them for work on a new nuclear plant in Georgia. Spider’s Competent Person Training is designed to meet OSHA standards and provides classroom and hands-on suspended scaffold operations training on hazard awareness and mitigation, fall protection, basic rigging techniques and achieving mitigation of site risks. Successful completion of the program allows the employer to deem an individual competent to use suspended scaffolding equipment. As Spider’s certified trainer and member of Spider Systems Group, Steve Cabral led eighteen employees of a top customer through this program at the nuclear facility over the course of two full days. In addition, over seventy employees of the same customer completed the two-hour User Training, also led by Cabral, to familiarize themselves with the safe operation of the powered access equipment to be used on site. “The need for training on this site was critical and immediate,” says John Sotiroff, Vice President Spider Sales and Distribution. “Spider delivered prompt, proper, OSHA-
certified training on-site for the customer, and has been credited for the safe, productive progress made thus far on the project.” For more information about Spider’s training opportunities, visit www.spiderstaging.com/training.aspx.
wire 2014: Functional elements and their origin: bar steel, iron wire and steel wire
The wire trade fair presents innovative solutions for the wire and cable industry. Wire made from iron, steel, aluminum, copper and other metal-based inputs is the base material for many functional elements essential for the operation of technical systems. Measured by volume, iron wires and steel wires are in first place. Steel and iron Steel refers to metal alloys consisting mostly of iron and a relatively small amount of carbon. By adding alloying elements and applying thermal treatments, the technological characteristics of steel can be modified greatly and adjusted to a range of applications. The “Register of European Steels” lists continued on next page
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continued from previous page more than 2,400 types of steel. Iron wires consist of non-alloyed steel with a carbon content of less than .25%; steel wires have a carbon content of between .25% and 1.00%. Bar steel is another one of the semi-finished forms of steel offered on the market. Its base material is a cast ingot or strand that is formed into billets via hot rolling. The billets are processed further – again via hot rolling – into round bar steel with a diameter of approximately 70 mm to 125 mm or into wire rods with a diameter of 70 mm. At the next rolling mill, these wire rods are rolled out into wire or bars (bright steel). Modern rolling mills can reach final rolling speeds of up to 120 m/s for wires with a diameter of 5.5 mm. This speed corresponds to 432 km/h, far exceeding even the take-off speed of a commercial aircraft. Further processing into smaller diameters takes place on drawing machines. The bars (bright steel) are finished by straightening, peeling, grinding or stripping them. Several coating processes are available as surface treatments for the wire. Some 16,000 different products Bar and bright steel in various compositions are used to manufacture products such as chassis components, engine parts including valves, jet needles and control pistons for diesel injection systems, screws, nuts and other fasteners, ejector pins for tools as well as medical implants and instruments and turned parts. Rebar, used for concrete reinforcement, is also a member of the bar steel product category. Iron wire or steel wire is processed into cold-formed springs, clamps, bending parts, grids, mesh and netting, ropes and cable reinforcements and chains as well as needles, rollers or balls for bearings. According to a brochure published by the steel information center StahlInformations-Zentrum (Germany), some 16,000 different products are manufactured from iron wire or steel wire. They are used at every office where basic equipment includes objects made from wire or containing wire products - paperclips or staples, for example. Just consider the springs in a computer keyboard, the stamps of a hole punch, the opening and closing mechanisms in lever arch files and ring binders, the spiral binding of notepads and table calendars - and ballpoint pens, in which a spring and a ball are indispensable parts. The wire 2014 trade fair in Düsseldorf With expectations on the rise for all 52
Wire Rope News & Sling Technology February 2014
sorts of products, the bar is set equally high for functional components and their base materials. In order to efficiently produce bar steel, iron wire and steel wire as well as their derivatives, manufactures need machinery that meet increasingly sophisticated requirements. The latest manufacturing technology and trend-setting developments will be showcased at wire, the leading international trade fair for this industry, to be held from April 7 - 11, 2014 in Düsseldorf, Germany. Synergy effects will be generated by the parallel staging of Tube 2014, International Pipe and Tube Trade Fair.
SC&R Foundation Partners with HirePatriots.com
The SC&R Foundation formed a partnership in November 2013 with HirePatriots.com, an organization that connects veterans with employers through a one-day job board and permanent job postings over the internet. Since its launch in 2005, HirePatriots. com has helped more than 500,000 U.S. veterans find employment.
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The Foundation established this partnership in response to ongoing feedback from members of the Specialized Carriers & Rigging Association (SC&RA). Many of these members own or manage companies with an intensifying demand for skilled labor as economic conditions improve at a time when baby boomers increasingly look to leave the workforce. The Foundation believes veterans can be a large part of the solution to the industry’s growing labor shortage. The unemployment rate for veterans who have served since 9/11 stood at 10 percent in November 2013, with 246,000 out of work, according to the U.S. Council of Economic Advisers. That jobless rate was the same the previous year, and it is a higher rate than for non-veterans, after adjusting for age and demographic factors. The rate is expected to grow as the military begins to draw down troops in the coming year. The Foundation’s landing page informs veterans of opportunities in the industry served by SC&RA members, including “welders, mechanics, crane operators, dispatchers, drivers, riggers and more.” Such skills are typically developed in the military. A link to the SC&R Foundation can be found in the Member Directory at HirePatriots.com. Like the SC&R Foundation, HirePatriots.com is a 501c3 non-profit organization. All of the services of HirePatriot.com are offered at no cost, but the organization depends on the support of donations, corporate sponsorships and grants. A posting for one-day jobs is free to advertisers, without any request for a donation, because these opportunities fill such a critical need for transitioning troops and veterans. In addition to helping veterans financially, these short-term jobs allow them to keep their heads held high, notes HirePatriots.com. A standard job posting that appears on the Careers Job Board starts at only $25 and is considered a tax-deductible donation to HirePatriots.com. Veterans can search for full-time, temporary or one-day jobs by keywords, category, city and state. There are no fees to the veterans, so they keep 100 percent of what they are paid. Typically, more than 1,000 jobs were posted and 150 resumes are posted online at any time. HirePatriots.com and member organizations such as the SC&R Foundation often benefit from favorable
publicity concerning the program’s achievements. For example, reports about the organziation have aired on ABC, CBS, CNN, Fox News, NBC and PBS. “They volunteered to use their bodies as weapons of war and they’ve suffered tremendously from doing so,” said HirePatriots.com Founder and CEO Mark Baird during an interview shown on the NBC Nightly News with Brian Williams on Aug. 3. “It only seems right that we return the favor.” For successfully fulfilling its mission of creating a nationwide safety net for U.S. veterans, HirePatriot.com has been recognized with numerous awards, including the Congressional Medal of Merit, the President’s Volunteer Service Medal and the U.S. Chamber’s Extra Mile Award. HirePatriots.com is a program of Patriot Hearts, which also offers U.S. veterans a number of additional programs at no cost. Among these programs are military job fairs, vet-entrepreneur mentoring, military marriage enrichment retreats, financial wellness training, welcom home parties, community service chapters, school kid programs, and more. In addition to maintaining a webpage
on HirePatriot.com, the SC&R Foundation is working with the organization on other mutually rewarding efforts. In March, SC&RA will offer a free webinar by founder Mark Baird on how the Association’s members can recruit veterans to their company. Additionally, HirePatriot.com plans to have a booth at the Exhibit Center during the SC&RA Specialized Transportation Symposium in Houston, Texas, March 19-21, and the Products Fair during the SC&RA Annual Conference in Boca Raton, FL, April 22-26. The SC&R Foundation is a 501c3 organization that serves the specialized transportation, crane, millwright, and rigging industries around the globe. The Foundation focuses on education, reducing the labor shortage and industry specific research as the philanthropic arm of SC&RA, an international trade association with more than 1,300 member companies.
Over 2,000 exhibitors at wire and Tube 2014
At the upcoming staging of wire Düsseldorf 2014, International Wire and Cable Trade Fair, and Tube Düsseldorf 2014, International Tube and Pipe continued on next page
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continued from previous page Trade Fair, more than 2,000 exhibitors from around the world will showcase the latest technologies for the wire, cable and tube manufacturing and processing sectors on over 1.1 million square feet of net exhibit space. The events will be held concurrently at the exhibition center in Düsseldorf, Germany from April 7 - 11, 2014. The range of products at wire 2014 will cover a wide spectrum, ranging from wire manufacturing and finishing equipment, mesh welding machinery, process engineering tools and auxiliary components to input materials and specialty wires. Innovative solutions from the cable, measurement, control and test engineering sectors round off the portfolio and specialized sectors such as logistics, conveying systems and packaging will also be represented. Overall, wire 2014 will feature about 1,200 exhibitors on a net exhibition area of 624,300 square feet. wire 2014 will be held in Halls 9 to 12 and 15 to 17. The wire, cable and fiber optic machinery segments as well as wire and cable production and trade will be located in Halls 9 to 12, 16 and 17. Fastener technology can be found in Hall 15 while spring making and mesh welding machinery will be located in Hall 16. For the first time, the mesh welding machinery sector will have its own compact presentation forum – a Special Show in just one hall. Exhibits at Tube 2014 will range
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from tube materials, tubes and accessories, tube manufacturing machinery and second-hand equipment to process engineering tools and auxiliary components as well as measurement and control technology. Test technology and specialized areas such as stock automation and control systems will complete the extensive range. The Tube 2014 exhibitors will display their products in Halls 1 to 7.0 and Hall 7a. More than 1,100 exhibitors will present the sector’s entire range, from tube manufacturing to tube processing and finishing on over 538,200 square feet of net exhibit space. Tube accessories will be found in Halls 1 and 2 while tube trading and manufacturing will be located in Halls 2 to 4 and Hall 7.0./7.1. Hall 2 will also be the venue for the China Pavilion. Hall 5 will house forming technology, Halls 6 and 7a pipe and tube processing machinery. The equipment and machinery area will be in Hall 7a with sections also throughout Halls 1 to 7.0. For further information on visiting or exhibiting at wire and Tube 204, contact Messe Düsseldorf North America, 150 North Michigan Avenue, Suite 2920, Chicago, IL 60601. Telephone: (312) 781-5180; Fax: (312) 781-5188; E-mail: info@mdna.com; Visit our web site www.mdna.com; Subscribe to our blog at blog.mdna.com; Follow us on twitter at twitter.com/WireTube_ MDNA For hotel and travel information, contact TTI Travel, Inc. at (866) 674-3476;
Wire Rope News & Sling Technology February 2014
Fax: (212) 674-3477; E-mail: info@ttitravel.net; www.traveltradeint.com.
Spider launches new website and e-catalog
Spider, a division of SafeWorks, LLC, has launched an updated version of its website, www.spiderstaging.com. In addition to the fresh design and improved navigation and functionality, the new site contains detailed information for Spider’s portfolio of suspended scaffolding, fall protection, material hoisting, wind access, & service product lines. Created with the user experience in mind, the website has been designed with the latest technology, making the site compatible with today’s browsers and mobile devices. A new interactive E-catalog enables visitors to easily search by product name or part number, view complete product specifications, compare items, sort by features, and print or email spec sheets directly from the site. Product details are updated regularly so users now have access to the latest product information. The new Media Center allows visitors to download Spider literature, view the latest press releases, see upcoming trade shows where Spider will be exhibiting, and watch a variety of videos, including the new ‘About Spider’ video, an overview of Spider’s history and expertise. Furthermore, new photo galleries and case studies throughout the site showcase Spider’s experience and capabilities. Now it is easier to stay current on Spider’s latest offerings by simply choosing the ‘New Products’ icon. And depending on their needs, visitors can request more information, register for Competent Person Training classes, and even apply for current job opportunities with Spider directly on the new site. Finally, with just one click, visitors can enter the new Spanish page, specifically developed for Spider Panama’s market as well as visitors from Central and South America. “As the suspended scaffolding market leader for nearly seven decades, Spider is investing in tools that help evaluate and gather critical information about our products and services easily and effectively,” says Tejal Ranjan, Marketing Communications Manager. “The site is a true resource for our customers, prospects and suppliers, providing them richer online content that is easier to navigate and share with others.” To view the new site, visit www.spiderstaging.com.
Tway achieves ISO90012008 certification
70 year old, Tway Lifting Products has recently achieved ISO9001-2008 certification. This accomplishment positions Tway as the only ISO certified rigging equipment manufacturer in the region. In September we produced our first 2 inch diameter Wire Rope Sling with an ultimate strength of 370,000 pounds. Wire Rope Slings have been used in manufacturing and construction to lift machinery and building products as well as in steel mill operations for over a century. Providing the highest quality product of this size required Tway Lifting Products to make significant investments in personnel, capital equipment and training at their Indianapolis, Indiana location. The 24,000 foot plant manufactures certified lifting equipment from USA-Made raw materials by The Crosby Group, Wireco, Loos & Co., Bridon and Bethlehem Wire Rope. “Building a Wire Rope Products Plant in Indiana strengthened our position with the industrial sector in The Midwest and brings another manufactured product to The State,” says Peter Hansen, President and CEO. “There are few plants in the country capable of producing lifting gear this heavy, the same day, and we are excited to be among the best.” About Tway Lifting Products Founded by Joseph R. Tway in 1945, Tway Lifting Products is a full service rigging manufacturer and distributor of lifting and handling equipment, wire rope, construction and mill supplies. The markets we serve are Construction, Automotive, Utility Infrastructure and Our Manufactured Goods are sold through a network of brick and mortar dealers and online retailers across the country. The Company also operates a Heavy Rigging Rental Equipment division from the Oliver Avenue Shop. The Board is chaired by Peter Hansen the third generation Chief Executive Officer. For more information, please see Tway Lifting Products website at twaylifting.com.
LGH helps BCMC and Operation Finally Home
Lifting Gear Hire (LGH) recently donated a Modular 24 Spreader Beam with top rigging to help the Building Community Making Connections (BCMC) and Operation Finally Home. LGH donated a Mod 24
LGH spreader beam in action, placing the roof on a new home.
spreader beam with rigging to help place the roof on a deserving soldier’s new home in San Antonio, Texas. BCMC partnered with Operation Finally Home to build a home for a deserving United States Veteran. Specialist Cody Nusbaum’s unit was ambushed by Taliban fighters disguised as Afghan police officers on August 24, 2011. Since that day Cody has gone through over 65 surgeries. After a series of revolutionary procedures to repair his hip and leg, and five months of painful physical therapy, Cody recently took his first steps-fifteen months after the attack. To learn more about this please visit www.bcmcbuild.com. “LGH believes in giving back to our communities. This opportunity
to help someone who has given so much for our country means a lot to LGH and touches home for several of our employees,” said Chris Hyatte, Regional Sales Manager in the Texas area. Founded in 1990, Lifting Gear Hire (LGH) is the United States’ largest single organization devoted exclusively to the provision of lifting and moving equipment for rent and sale. LGH provides hoisting, pulling, jacking, rigging, material handling and safety equipment available for immediate and safe use. LGH’s mission is to offer expertise in the rental of the safest and most reliable hoisting and rigging equipment to build and support a better America. LGH – Puts Safety First. www.lgh-usa.com.
Wire Rope News & Sling Technology February 2014
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Inventor’s Corner By William Fischer
I’d like to start off the first edition of 2014 to wish all of our readers a great and prosperous year ahead. Hopefully the economy will pick up along with employment, and we can look forward to a resurgence in construction and related industries. In that spirit, it is with pleasure that we present this issue of Inventor’s Corner. Cable assembly with anchor Pat. 8,181,437 U.S. class 57/22 Int. class D01H 15/00 Inventor: David Malcolm Glennie, Singapore, SG., Lew Kah Hoo, Singapore, SG. Assignee: Franklin Offshore International Pte. Ltd., Singapore, SG. A cable assembly comprises a cable having a main body, strands, a tail and a first cable end, an anchor, and a sleeve having a bore, a first end and a second end. The first end is positioned generally adjacent to the anchor, the second end is positioned remote from the anchor, and the cable end is positioned in the bore. A cured adhesive is positioned in the bore, binding the sleeve to the cable, along with a rope insert which is positioned at least partially in the bore, wherein the cured adhesive holds at least one rope insert in a fixed position with respect to the sleeve. Turning now to the drawings, figure 1 shows a side view of a preferred embodiment of the cable assembly 10. The cable assembly 10 includes a cable 12 having a main body 14. Preferably the cable 12 comprises a core rope and outer ropes 19. Each rope preferably comprises a series of strands 16. The construction of the core rope and the outer ropes 19 is preferably in accordance with the standards specified in ISO 10425:2003 API-9A. Each of the strands 16 can comprise steel or another suitable high strength material. Preferably the cable assembly 10 has an anchor 25. The anchor 25 can be formed as a flemish eye 24. Rope 19 of the cable is split into portions at a tail 20 and wrapped over an opposite portion of the rope. The portions are recombined with the main body 14 at a cable end 22 at a sleeve 30. Optionally an end cap 70 may be provided which is useful as an anti-fouling member during use. In a similar manner, the anchor can also comprise a second anchor 125 formed as a second flemish eye 124 at a second tail 120 and may be closed off at a second end 122 of the cable 12 using a second sleeve 130 and an optional second end cap 170. Figure 2 is a cross section view of an end of flemish eye 24 at the sleeve 30 of figure 1 where the strands are recombined with the main body 14. As noted above the flemish eye 24 is formed by dividing strands of the cable at the tail 20, and wrapping or laying the strands over each other. A 56
Wire Rope News & Sling Technology February 2014
Figure 1: Side view of a cable assembly with a flemish eye.
Join The RevoluTion
Figure 2: Longitudinal cross section view taken through the sleeve showing rope inserts and a positioning ring.
first end 22 of the cable is secured around the main body of the cable inside a bore 32 of the sleeve 30. Preferably the sleeve 30 circumferentially surrounds a portion of the main body 14 of the cable 12 and a portion of the tail 20. The sleeve 30 has a first end 34 generally adjacent to the anchor 25 and a second end 36 positioned more remote from the anchor 25. The tail 20 is preferably distributed or wrapped evenly around the main body 14 of the cable to ensure a uniform load distribution. The sleeve 30 and adhesive 40 cooperate to lock the strands 16 of the cable 12 in place. A positioning ring 60 may be provided which is preferably positioned in the bore 32. The ring 60 may extend circumferentially around the cable 12. The ring 60 acts as an alignment agent, centering the cable within the bore 32. The ring 60 also allows the tail and main body 14 to set in the adhesive in a controlled manner during assembly. Preferably the ring is positioned near a second end 36 of the sleeve 30. Both the sleeve and the positioning ring may be made of steel or other suitable high strength material. The adhesive 40 which is used to help hold the flemish eye 24 in place is preferably a composite resin or a thermosetting resin. A suitable example of an acceptable resin is sold under the name Maklock. During assembly, the adhesive is introduced into the sleeve after the flemish eye is formed and the sleeve is fitted around the cable. The second end 36 of the sleeve is preferably sealed using plasticine or a similar material to prevent leakage. As a further advantageous step, a quantity of the resin, such as between 5 and 10% of the total volume, is preferably mixed and poured into the sleeve after the sleeve is sealed. The adhesive is preferably allowed to harden before a main pour is made to complete and strengthen the seal ensuring that there will be no leakage of the main pour. Once the resin is mixed to a preferred consistency, the resin should be poured immediately into the sleeve to ensure good penetration into interstices (gaps) of the cable. Immediate pouring will ensure that the gelling stage occurs in the sleeve and not in the mixing container. Preferably, the adhesive is poured continued on next page
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Wire Rope News & Sling Technology February 2014
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Figure 5: Cross section view of the sleeve taken through line 5-5 in figure 2. Figure 3: Cross section view of the sleeve taken through line 3-3 in figure 2.
down the side of the sleeve to allow air to escape. The cap 70 may preferably be attached to the second end 36 of the sleeve 30 remote from the flemish eye in any of a number of ways, for example, welded together, with the cable 12 extending through the cap bore 72. The cap may comprise steel or other suitable high strength material. As shown in figure 2, the shape of the cap 70 is preferably conical. That is, the first end 74 of the cap has a cross section width 78 greater than a cross section width 79 of the second end 76 of the cap 70. The purpose of the cap is two fold: to provide some extra support for the sleeve to restrict relative movement, and to act as an anti-fouling member when in use. That is, the cap helps guide external elements away from the sleeve, preventing them from catching on the sleeve. This helps to ensure smooth maneuvering of the cable assembly when in use. In accordance with a highly advantageous feature, rope inserts 50 are positioned within the bore 32 of the sleeve 30. The rope inserts 50 preferably comprise a short length
Figure 4: Cross section view of the sleeve taken through line 4-4 in figure 2.
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Wire Rope News & Sling Technology February 2014
of a cable similar to the material used for cable 12. However, the rope inserts 50 may use strands smaller in diameter than the strands 16 of cable 12. The rope inserts are shown in figure 2 as positioned within the bore circumferentially around the cable 12 and can preferably have a stem 52 and broom 54. Most preferably, at least one rope insert extends partially out of the adhesive and even out of the bore of the sleeve. That is, the broom 54 is exposed by a small amount (for example 1 to 2 mm) above the adhesive. The broom 54 can comprise part of the rope insert which is separated or unwound to increase surface area for the adhesive 40 to bind to. Preferably, the broom 54 is closer to the first end 34 of the sleeve 30 than the stem 52. The broom can comprise part of the rope insert which is separated or unwound to increase surface area for the adhesive 40 to bind to. This increased surface area is highly advantageous, especially with large cable assemblies in that the adhesive has more material to bind to, increasing strength of the cable assembly and helping to reduce surface cracking of the adhesive. Figures 3-5 show cross section views of the cable in the sleeve 30, taken through figure 2. Figure 3 is taken through the broom 54 of the rope insert 50, figure 4 is taken through the stem 52 of the rope insert, and figure 5 is taken where the rope insert is not present. In figures 3 and 4, the rope inserts 50 are shown positioned spaced evenly and circumferentially around both the main body 14 of the cable 12 and part of the tail 20, in the adhesive 40. Figure 4 also shows an option where the tail 20 is partially unwound. Figure 5 shows the main body 14 having a cable diameter 13 which is used to calculate a preferred length 38 of the sleeve 30, as noted above. In the preferred embodiment shown in the figures, the cable 12 comprises a core rope 17 having the outer ropes 19 wrapped around the core. Various numbers of outer ropes may be used, depending upon the intended application. Clamp, self-advancing climbing device, and method of coupling same to a tubular Pat. 8,201,787 U.S. class 248/218.4 Int. class F16L 3/08 Inventor: James Ingram, Aberdeen, GB., Stewart Kenyon Willis, Glasgow, GB. Assignee: ITI Scotland Limited, Glasgow, GB. This patent discloses a self-advancing climbing device
QUICK LINK Figure 6: perspective view of a clamp. The clamp is illustrated following coupling to a tubular in the form of a wind-turbine tower.
including two such clamps, and a method of coupling such a clamp to a tubular. In one embodiment of the invention, there is disclosed a clamp for a tubular, in particular a thin-walled tubular such as the tower of a wind-turbine. The clamp comprises at least one clamp member in the form of a friction pad adapted to grip the tower, and at least one flexible elongate energising element in the form of a tendon adapted to exert a force on the friction pad to urge the pad to grip the tower, whereby the pad and the tendon are adapted to exert a substantially uniform radial clamp load on the tower. Referring to figure 6, there is shown a clamp/apparatus 1 for a tubular, which in the illustrated embodiment takes the form of a thin-walled, tapered wind-turbine tower 3. The clamp 1 comprises at least one clamp member or friction pad 9 which is adapted to grip the tower 3, and which is shown in more detail in the enlarged view of figure 7. The clamp 1 also comprises at least one flexible elongate energizing element in the form of a tendon 16, which is shown in more detail in the view of figure 8. The tendon 16 is adapted to exert a force on the friction pad 9 to urge the pad 9 to grip the tower 3, such that the friction pad 3 and the tendon 16 exert a substantially uniform radial clamp load on the tubular. The friction pad 9 thereby restrains the clamp 1 against movement relative to the tower 3 in a direction along a length thereof, enabling an external load to be supported from the tower 3 using the clamp 1. Using the clamp 1 to exert a substantially uniform radial clamp load on the tower 3 facilitates generation of a substantially uniform hoop stress in the tower. This overcomes problems associated with prior clamps and other mechanisms by avoiding or at least minimizing variations in the loading around the circumference of the tubular, thereby avoiding or reducing the likelihood of varied pointloads leading to local buckling. It will also be understood that the method herein described dramatically improves the performance of a clamp by applying the maximum possible radial loads to friction pads through the application of uniform radial load, so that circularity of a thin-walled tubular structure is retained. These loads are far beyond the capability of discrete loaded pads, as currently used. In more detail, the clamp/apparatus 1 comprises a support structure 22 having a substantially rectangular lower continued on next page
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elastomeric friction material, such as neoprene rubber or polyurethane, bonded to a stiff but flexible sheet of metallic or composite material to which load may be applied, such as a sheet of steel, and have vertical rigid spines 10 at their center. The spines 10 are each pivotably connected at their upper ends to the lower end of a respective arm 7, via a pin joint or ball-joint 24. A ball-joint is preferred over a pin-joint, as the ball joint facilitates transmission of a load on the clamp members in a direction parallel to a main axis of the tubular, but substantially prevents transmission of radial loads to the clamp members due to the external load. The arms 7 are in-turn pivotably attached to the vertical columns 4, in a manner that allows them to pivot with respect to the tower 3. By this arrangement, the load arms 7 are coupled relative to the friction pads 9 so as to facilitate application of a positioning force on the pads 9, whereby movement of the load arm 7 brings the respective friction pad 9 adjacent to and/or into contact with the surface of the tower 3. This allows the pads 9 to contact the surface of the tower 3 and to take up the taper angle, or to be vertically oriented, as appropriate. The support structure 22 also includes a second support member or alignment arm 11 associated with each friction pad 9, each alignment arm 11 being pivotably connected
Figure 7: Enlarged view of a clamp member and a section of a support structure, forming part of the clamp of figure 6.
ring beam 2, which is assembled round the base of the tower 3, a plurality of vertical columns, uprights or corner posts 4 and a substantially rectangular upper ring beam 5. Typically the upper ring beam 5 is attached to the top of the vertical columns 4 at each corner so as to provide a rigid cuboid framework 6 that encompasses the tower 3. Each of the vertical columns 4 is connected at its top end to a first support member or rigid load arm 7, which is moved by a hydraulic cylinder 8 connected between the vertical column 4 and the arm 7, as shown in figure 7. In the preferred embodiment illustrated in the drawings, the clamp 1 includes four friction pads 9 which are located spaced equidistantly around a circumference of the tower 3. The friction pads 9 are made of a compliant natural or
Figure 8: Enlarged view of the clamp member and a energising element, forming part of the clamp of figure 6.
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Wire Rope News & Sling Technology February 2014
Figure 9: Further enlarged view of the clamp member and energising element shown in figure 8, with certain parts shown in outline, for illustration purposes.
to the respective vertical column 4 through a link 13, via a pivot pin 26. The arm 11 is also pivotably coupled to the pad 9 at the lower end of the spine 10 (i.e. at the end of the spine 10 opposite to the end that the load arm 7 is connected to). A second hydraulic cylinder 12 is connected between the vertical column 4 and the pivot pin 26 and thus acts to move the link 13. Accordingly, by extending or retracting the link cylinder 12, the angle between the vertical column 4 and the pad 9 can be changed to suit differing tower taper angles. The position of the pads 9 relative to the tower 3 can, therefore, be adjusted using a combination of the load arm 7 and the alignment arm 11, so that the clamp 1 can be adjusted to accommodate variations in the circumference/diameter and taper angle of the tower 3. This, therefore, facilitates use of the clamp 1 with towers of different diameters, and indeed with towers that taper along their length. As shown in figure 8, the clamp includes a plurality of tendons, and in the illustrated embodiment, includes eight
tendons 16, two tendons 16 associated with each load arm 7 of the clamp 1. The tendons 16 are each tensioned by a respective winch 15, and two such winches 15 are mounted on each load arm 7. This arrangement allows the tendons 16 to compensate for the change in circumference of the tower 3. Each tendon 16 is passed from an anchor point on the load arm 7 or winch 15, and extends through ports 14 in the spine 10 of each pad 9 and back to the winch 15 on the same load arm 7. Accordingly, two tendons 16 originate and end at each load arm 7. The tendons 16 each encircle the circumference of the tower 3 and cross over and thus overlap in a direction along a length of the tower 3, at an overlap location 38. As shown in more detail in the further enlarged view of figure 9, the pads 9 are each located between the surface of the tower 3 and the tendons 16, and the tendons overlap or cross at the spine 10 of the pad 9 attached to the respective load arm 7, so that the tendon 16 is in contact with the tower 3 or pad 9 as it passes around the full circumference of the tower 3. The tendons are typically manufactured of low friction, high performance wire rope. Sheaves 17 are provided to turn the tendon 16 from its circumferential passage to the anchor point and winch 15. Stop element for a securing device Pat. 8,281,895 U.S. class 182/19 Int. class A62B 35/00 Inventor: Stefan Gassner, Missen, DE. Assignee: fazinatour Touristik-Training-Event GmbH (Immenstadt, DE. The present disclosure relates to a stop element for a securing device, with a contact element. A locking device is shiftable between unlocked and locked states. The stop element is attachable to and releasable from the securing element in the unlocked state and not releasable from the securing element in the locked state. The locking device has an actuating device which is shiftable between an active position and a passive position and when in its active position blocks the locking device in its unlocked state and is transferable into its passive position, in which the lock-
Figure 10: Schematically shows a perspective view of a securing device.
Figure 11: Schematically shows in first case a side view of a stop element in different operating states, in partial section.
ing device is shiftable into its locked state, when the stop element is attached to the securing element. The contact element may form part of the actuating device such that the actuating device can be shifted into its passive position when the securing element contacts the contact element. According to figure 10, a securing device 1, which is used to prevent a person (not shown) from falling, comprises two stop elements 2. Each stop element 2 is configured in such a manner that it can be releasably attached to a stationary securing element 3. In figure 10, only the stop element 2 which is shown on the right is attached to the securing element 3, which is configured as a wire rope here, whereas the stop element 2 which is shown on the left is removed from the securing element 3. Furthermore, each stop element 2 is in each case connected securely to a connecting element 4, with it being possible for the respective connecting element 4 to be connected to the respective person to secured. In the embodiment shown in figure 10, the connecting element 4 is a rope. The two connecting elements 4 form a common loop 5 with which they can together be attached to the person to be secured. The two connecting elements 4 in this case thus form a common connecting component 6. Two completely separate connecting elements 4 can likewise be used. The connecting elements 4 or the connecting component 6 can in principle be fastened directly to a safety strap on the person to be secured by means of the loop 5 with the aid of a carabiner or the like. In the present case a fall arrester 7 is also provided, which can be included in the securing continued on next page Wire Rope News & Sling Technology February 2014
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Figure 12: Schematically shows in second case a side view of a stop element in different operating states, in partial section.
Figure 13: Schematically shows in third case a side view of a stop element in different operating states, in partial section.
device 1. The connecting elements 4 or the connecting component 6 are/is fastened to the fall arrester 7, which for its part can be fastened by means of a loop 8 to the respective persons or by means of carabiners to his/her safety strap. Each stop element 2 has a locking device 9. The respective locking device 9 can be shifted between an unlocked state and a locked state. In the unlocked state the respective stop element 2 can be attached to the respective securing element 3 or released from it. In contrast to this, the respective stop element 2 cannot be released from the respective securing element 3 to which it is attached without destroying it, when it is in the locked state. The securing device 1 described here also comprises a coupling device 10. This is coupled to the locking device 9 of the two stop elements 2. This coupling takes place in such a manner that the coupling device 10 blocks the locking device 9 of one stop element 2 in its locked state when the locking device 9 of the other stop element 2 is in the unlocked state. This means that, when one locking device 9 is unlocked, the other locking device 9 is blocked in its locked state by means of the coupling device 10 and cannot be unlocked again. The coupling device 10 operates purely mechanically, in particular hydraulically or pneumatically. In principle, a coupling device 10 which operates electrically is also conceivable. However, embodiments which operate without an external energy source are preferred. The stop elements 2 which are shown in figure 10 are configured as rollers which have in each case two rolls 11 which are arranged one after the other and with which the
respective stop element 2 can roll on the securing element 3 which is configured as a rope. According to figures 11 to 13, the respective stop element 2 has in each case a contact element 11, which interacts with the securing element 3 or comes into contact with the latter when the stop element 2 is attached to the securing element 3. In the preferred examples shown, this contact element 11 is configured as a roll, which is also given the reference symbol 11 below, that is, is also designated roll 11. It is clear that any other contact element 11 can be used instead of a roll, for example a type of slide stone or just a hook contour in the stop element 2. The use of the roll 11 as the contact element 11 ensures minimal wear and convenient operation. Where appropriate, the embodiments made with reference to the roll 11 can be transferred analogously to any other contact element 11.
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Wire Rope News & Sling Technology February 2014
Method of installing an elevator Pat. 8,291,568 U.S. class 29/429 Int. class B23P 11/00 Inventor: Hakan Barneman, Solna, SE. Assignee: Kone Corporation, Helsinki, FI. A method in the installation of an elevator includes arranging a movable platform structure in the bottom end of the elevator hoistway with a temporary hoisting appliance in the elevator hoistway. The movable platform structure is lifted in the elevator hoistway with the temporary hoisting appliance. The final hoisting machine of the final elevator is installed from the platform structure and the final hoisting roping of the elevator is installed. The movable
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system to possibly spread the Movement Replaces Heaters in as determinestructure how to spread thethe load to the hoistway, well as theload. lowermost counplatform can be final elevator car or atFeedwater least elevator inside the building was facilitated Coal-fired Power Plant launch pad foundation. However, terweight guide rail sections and the counterweight, if the a part of the final elevator car. throughisthe and are a Barnhart called upon tobeing extract NASA was about amount elevator constructed oneuse withofa air-casters counterweight, Figure 14uncertain illustrates thethe method phase in which awas temtwo old feedwater heaters and replace light-slide system. Barnhart President of load the foundation could withstand. porary hoisting appliance 2 is suspended in the elevator also installed. The presence of all these listed structures is Still another challenge was deciding them at a coal-fired power plant in Alan Barnhart characterized the plan hoistway 1, which hoisting appliance is preferably a so- not necessary in all elevator types, so not all the structures how to erect the lifting structure Sioux City, Iowa. Weighing approxi- as less expensive but more tedious than called material hoist, preferably a Minifor hoist or alter- are shown in the figure. The hoisting appliance 2 can be beneath the launch structure, which mately 80 tons each, the new feedwater alternative plans. Through its innovanatively a Tirak hoist. The hoisting appliance is supported used as an aid in the installation of all of these structures. also can rotate around the launch pad. heaters were 40 feet long and 6 feet in tive strategy, Barnhart completed the from the top end of the elevator hoistway, preferably on The roping of the hoisting appliance is 1:1 in figure 14, but This would mean that the lifting towers diameter. The old heaters that needed sc ope of its wor k in thr ee d a y s, a horizontal beam in the near vicinity of the top end of alternatively it can be another roping, e.g. 2:1. Additionwould require two elevations, one at to be extracted from the building were reducing the originally planned plant the elevator hoistway. Objects can be supported, lifted and ally in this method phase, the movable platform structure 124 feet and one at 103 feet – a 21 foot slightly heavier and shorter. The evacuation time by 75 percent. lowered in the elevator hoistway with the hoisting appli- 6 is arranged in the bottom end of the elevator hoistway 1, difference between jacking points. heaters were originally placed in the Under $150,000: PSC Crane and preferably only after the elevator components around the ance 2 via the rope 3 of the hoisting appliance. Barnhart used Modular Lift Towers building during its construction, when Rigging’s Move and Installation of In this phase, the lowermost car guide rail sections, the platform structure have already been installed, preferably and hydraulic jacks to lift and secure the roof was off; however, for several a Diesel Generator Package buffer 7, the electrifications near the bottom end of the at least the lowermost car guide rail sections 4. the structure while innovatively taking reasons, the roof could not be opened up Last winter, PSC Crane & Rigging The platform structure presented in figure 15 comprises advantage of the launch pad’s rota- for the replacement. successfully completed a very complex two levels, 6.1 and 6.2, one above other, from which it T h e c u s t o m e r ’ s o r i g i n a l p l a n rigging job tional ability for positioning purposes. thatthe began with off-loading is possible to work during the installation of the elevator. Already concerned about the maze of required a high-capacity crane that and transferring an 8 megawatt The structure 6 is the partlyfrom assembled elevator duct work, piping and steel, Barnhart would have driven up Wartsila generator a rail car onto theplatform cost of the car, of expensive which the aforementioned levelstrailer. 6.1 and 6.2then that crews also had to worry about high job. Barnhart proposed a nine-line Goldhofer PSC a less are one above the other later form at least a part of the winds and lightning prevalent in the alternative that used its 800 ton hauled the 332,000 pound generatorroof – and the floor of the which elevator car of the completed spring. On several occasions, the job capacity Demag TC 3000 measured 44 feet long, 10elevator. feet 10 lattice boom hoisting appliance 2 wide can, and if necessary, be utilized was shut down at the first sight of truck crane. Both theThe inches 14 feet 2 inches high –in extraction of the moving theofmovable structure 6 into the elevator mile to the Indian Power Plant near the a platform lightning because nobody involved old heaters and the installation hoistway along and ina assembling The platform structure 6 Rensselaer,it.Ohio. wanted to take chances with such an new ones required movement preferably alsoto comprises brake (not shown) The aexisting opening in correspondthe buildthe building expensive, highly technical apparatus. circuitous path through to the guide 4 and means (notwhich shown) for activating’s brick façade, measured a an exterior wallrails After successfully completing the and from a hole in ing ingabove the brake to make from the wide, platform struclittle working more than 10 feet had to be grade. project, Barnhart and NASA concluded more than 100 feet ture The brake is not,before however, necessary. enlarged the wholly generator could as62 safe. inches. the launch structure weighed about 5 Clearances were as tight The brake can in be, e.g. brake controlled a background passa through. PSC usedby a 500 ton J&R To adjust to inconsistencies million pounds, of which Barnhart artthe overspeed governor that is triggered by overspeed and/ Lift-NLock gantry system equipped flooring throughout building, lifted about 2.5 million pounds. separatelyaactivated brake locking platform Figure 14: Illustrates the phases of the method for ant elevator with a 400 tonfor J&R Powerthe Rotator to Barnhar en gin eeror s a developed $150,000-$750,000: Barnhart continued on next page comprising four floor landings. Wire Rope News & Sling Technology
August 2006
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Figure 15: Illustrates the phases of the method for an elevator comprising three floor landings.
structure 6 to the car guide rails 4 with the brake during the time of working from the platform structure 6. The platform structure 6 preferably also comprises guides for guiding the platform structure along the guide rails 4 of the elevator car. In the phase presented in figure 15, the landing door structures 8 of the lowermost floor landing of the elevator hoistway are installed and also, working from the platform structure 6, more particularly from the upper working level 6.1 of the platform structure 6, the next to lowermost car guide rail sections and possibly the counterweight guide rail sections (not shown) are installed into position by means of the hoisting appliance 2. The tightening of the
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Wire Rope News & Sling Technology February 2014
Figure 16: Illustrates the suspension arrangement of a preferred platform structure.
car guide rail sections into their position can also be done from the platform structure 6. In the method phase illustrated in figure 16, the landing door structures 8 of the next to lowermost floor landing are installed working from the platform structure 6. Likewise, in this phase, the movable platform structure 6 is suspended on the hoisting rope 3 of the hoisting appliance 2 for moving the platform structure 6 with the hoisting ratio best suited to the situation, e.g. with the 5:1 hoisting ratio presented in the figure. One benefit of the present invention is that the same hoist, which is used for material hoisting can be used for manriding. This is possible by increasing the hoisting capacity of the hoist by reconfiguring the roping ratio of the hoist from one ratio (e.g. 1:1) to another (e.g. 1:5). Thus, the car/working platform structure 6 can be raised/lowered in the hoistway with the same hoist which can be used for hoisting material. There is no need for two separate hoists for manriding and material hoisting. Also, a hoist that normally has been regarded as a material hoist not suitable for man riding can be used also for manriding. The above described ratio change for enabling the use of a material hoist for manriding may include a separate invention. The hoisting appliance 2 is preferably of a portable type. For this purpose, it can comprise a handle and be light-weight. This purpose is also served by the fact that the aforesaid hoisting ratio change for the hoisting appliance need not be dimensioned to carry the whole weight of the platform structure in a 1:1 ratio. The hoisting appliance 2 preferably can be such that it has in normal and safe use capacity to lift, when configured to 1:1 ratio, 100500 kg, preferably less than 500 kg, more preferably less than 300 kg. A commercially available lift can be used as the hoisting appliance 2, for example, a Minifor, dimensioned to safely lift the above-mentioned load (i.e. the nominal capacity of the hoisting appliance is designed to lift the above-mentioned load). In the method phase illustrated in figure 15, the platform structure 6 is lifted upwards in the elevator hoistway 1 by controlling the hoisting appliance 2 safely from the floor landing. After this, the platform structure can be locked with the brake, if so desired, to the car guide rails from the floor landing, but this is not necessary. Moving next onto the platform structure 6, installation of the structures of the elevator is continued from the platform structure. For example, installation of the electrifications of the eleva-
tor hoistway and installation of the guide rail fixings 9 is continued now on the higher level, after moving there. In this way, the structures of the elevator can be installed in sequence from the bottom upwards. Likewise the door structures of the third lowermost landing are installed from the levels 6.1 and/or 6.2 of the platform structure 6 and or from the floor landing. In this method phase also the platform structure is lifted to the height from where the uppermost car guide rail sections (and, if necessary, the topmost section of the counterweight guide rails) can be installed into position, in the installation of which a separate hoist can, if necessary, be used as an addition. In the method phase illustrated in figure 16, the platform structure 6 has been lifted to the top end of the elevator hoistway. The structures of the elevator below the platform structure 6 have been installed in earlier phases to the desired degree of completion in sequence from the bottom upwards. In this phase, the actual final hoisting machine 11 of the elevator as well as the structures of the top end of the elevator, e.g. the electrifications of the hoisting machine 11 and the electrifications of the top end of the elevator hoistway 1, are installed in the top end of the elevator hoistway 1 from the platform structure 6. The final hoisting machine 11 of the elevator preferably comprises an electric motor and a traction sheave. The installation of it is preferably performed such that the hoisting machine 11 is in some earlier phase, when the platform structure 6 is at the lowermost point of the floor landing, e.g. in phase presented in figure 16, rolled on a trolley or corresponding to the lower level 6.1 of the platform structure 6, on which level the hoisting machine 11 is moved upwards with the level 6 as the installation progresses. The level 6.1 is driven to a position that is level with the topmost floor landing and it is rolled onto the floor landing. After this, the platform structure 6 is lowered such that the level 6.2 is level with the floor landing in question and the hoisting machine is rolled onto the level 6.2, from where the hoisting machine 11 is installed into its final position in the elevator hoistway 1. After this, the final hoisting roping (not shown) of the elevator is installed, which is arranged to bear the platform structure 6, which platform structure will later form at least a part of the final elevator car. To make this possible it can be necessary to move the platform structure 6 and/or to change its structure to enable the roping, e.g. in order to arrange the suspension. It is possible to add, e.g. rope pulleys to the platform structure 6 if the final elevator is roped with other than a 1:1 hoisting ratio. When roping, it is also possible to drop the hoisting ropes into the hoistway and to guide the hoisting ropes to pass via the diverting pulleys of the bottom end of the hoistway and/or to their fixings by working below the platform structure 6, e.g. on the bottom of the hoistway. When the platform structure is supported with the final hoisting roping (not shown) the hoisting appliance 2 and the rope 3 are removed. Cable Grippers Pat. 8,608,144 U.S. class 269-257 Int. class B25B 1/24 Inventor: Andrew James Thomas, Hampshire, GB., Jeremy John Richard Featherstone, Essex, GB. Assignee: Ocean Cable Technologies Limited (Portsmouth, Hampshire, GB. An assembly of a cable gripper and a cable that has an outer protective layer formed from plastically deformable material, over an inner tensile strength portion). The ca-
Figure 17: Front view of a first embodiment of cable gripper with a caught cable in place before operation of the gripper.
ble gripper includes at least one gripper member having a supported outer end and an active inner end penetrating the outer protective layer and gripping the inner tensile strength portion beneath the outer protective layer. The active inner end includes a material of sufficient hardness to penetrate the outer protective layer by movement of the gripper member through the outer layer from an inoperative to an operative position. Referring initially to figure 17, there is shown a lightweight cable 1 comprising an outer sheath 2 and an inner strength portion 3 concentric with the sheath (described in detail below). A steel cable gripper 100 has a support frame 8, having spaced opposing first and second walls, joined by a third wall to provide an opening opposite the third wall. The support frame provides a space within and continued on next page
Figure 18: Front view of the gripper after operation.
Wire Rope News & Sling Technology February 2014
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Figure 19: Detailed partial, front view of one pair of gripper plates, showing the plates holding the cable internally.
between the walls housing a pair of opposed, cable gripping jaws 15,15a. The jaws each have a planar support member 6,7. The lower first jaw 15a is seated on the first wall and the upper second jaw 15b is movable to and fro, with respect to the first jaw, guided in an aperture through the second wall. The second jaw is movable by a plunger 9 which is either hydraulically controlled by a person operating the cable gripper remotely, or mechanically actuated locally. The clamp frame 8 includes a towing point 14 for attaching a line to pull, lift or lower the cable. The jaws are shaped to provide when closed a space there between for surrounding an elongate tensile strength portion within an approximately 5 cm longitudinal portion of the cable. After the plunger acts to move the second jaw towards the first jaw, thereby closing the jaws, a space is left between the jaws for the cable sufficient to allow the inner strength portion to be gripped in a centralised position, with its external shape retained (or nearly retained) as shown in figures 17 to 19. In the first embodiment, as best shown in figure 20, a plurality of adjacent pairs of plates are mounted on the jaws. In other words, depending from the planar support
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Wire Rope News & Sling Technology February 2014
Figure 20: Side view of the gripper and cable after activation.
member of each jaw is a series of regularly longitudinallyspaced plates, the plates on the first jaw being located further along the jaw so that in the closed position of the jaws, the plates interleave. The plates each have gripping edges, which are also able to cut through the outer polyethylene sheath of the cable. Each single adjacent pair of upper and lower plates 5, 4 is shaped so as to together provide a space enclosing the inner strength portion of the cable (the individual plates acting in different transverse planes). The plates could alternatively be provided so as to act in the same transverse plane. With a plurality of adjacent pairs as shown in figure 20, the security of the gripping function is increased. Thus, with several adjacent pairs of plates the gripping is highly secure. Referring now to figure 18, the upper plates have been pushed down by the plunger 9 against the cable 1, such that the gripper edges of the gripper plates 4,5 have cut through the cable sheath 2 and are forced against the cable strength portion 3. This is shown in more detail in figure 19. Thus, in this embodiment the gripping edges of the plates 4,5 form in cross section a `V` shape profile so that in the operative position of the plates they form the enclosed, central, inner protective space to locate and retain the cable. The `V` profiles of the plates, cause the cable to be centralized within the plates, and the edges of the profiles form contact points against the strength portion at 10,11 for the upper plates 5 and contact points 12,13 for the lower plates 4. Alternatively, the edges may be curved or other such shape to fit round the exterior shape of the inner strength portion of the cable and engage the outside of the inner strength member. The plunger 9 may be activated by, for instance, a hydraulic cylinder (not shown) or a mechanical linkage (not shown). The force required to displace the plunger during the penetration of the outer sheath by the gripper surfaces is relatively low. Once the strength portion is contacted, the resistance force available increases, and consequently the level of cable tension that the gripper can hold increases proportionately to the
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Ropeplunger. News & Sling Technology August 2006 ingly, there exists a need for an efficient and cost effective force appliedWire by the In order to prevent damage to components of the apparatus, or the gripper surfaces system to retrieve and/or deploy sub-sea equipment. Referring to figures 21-25, a retrieval and deployment inadvertently cutting through the whole cable, the maximum potential force on the plunger can be limited. In the system 100 in accordance with embodiments of the prescase of hydraulic cylinder actuation this limitation may ent disclosure is shown. During a retrieval operation, a be achieved by a pressure relief valve. In the case of a me- transport vessel 110 deploys buoys 120 that are attached ingleitsmay, • Do Dfor ouinstance, bles •beTachieved riples by • deRegular an and He Heavy Wo Woodecontinued n Bl Blocon ksnext page chanical S linkage signing the components around the maximum input force available.
Subsea structure installation or removal Pat. 8,622,137 U.S. class 166/338 Int. class 166/338 Inventor: William Scott Childres, Cypress, TX., John Joseph Kenney, Houston, TX., William Michael Pritchett, Houston, TX., Bruce Clinton Volkert, Bellaire, TX. Assignee: Shell Oil Company, Houston, TX. Currently, sub-sea equipment (e.g., submersible pumps, manifolds, and trees) may be deployed and/or retrieved using a semi-submersible drilling rig. Typically, the drilling rigs are configured to hoist the sub-sea equipment from the ocean floor to the surface through the use of cables and lines. Once the sub-sea equipment has reached the surface, it may be lifted through an opening in the center All Material Factory Certified of the rig (e.g., moon pool) and onto the deck of the drillWooden Shell Blocks 3� to 16� ing rig. As such, the piece of sub-sea equipment being retrieved or deployed may be susceptible to being damaged For more Associated Wirerigs Rope & Rigging, Inc. Waterman Supply Co., Inc. during transportation. Further, drilling are extremely information, 8125 costing Saran Drive, Playa Del Rey, CA 90293 910 Mahar Ave., Wilmington, CA 90748 expensive to operate, around $600,000-$800,000/ contact: Ph: 1-800-901-1135 310-448-5446 Ph: 1-800-322-3131 Fax: 310-522-1043 day to lease. Furthermore, drilling rigs Fax: are transported at awrrinc@earthlink.net Email: waterman@bigplanet.com a slow rate whenEmail: compared to other floating vessels (e.g., ships, tug boats), which may increase the amount of time it takes to retrieve and/or deploy sub-sea equipment. Accord- Figure 21: First embodiment of retrieval and deployment system. Wire Rope News & Sling Technology
August 2006
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used to control the depth of the buoys 120. Once the buoys 120 have been deployed, the buoys 120 are lowered towards the ocean floor 40 to retrieve sub-sea equipment 170. Sub-sea equipment 170 may include, for example, electrical submersible pumps, trees, manifolds, or any other equipment known in the art. The buoys 120 may be raised and lowered using a hoist, crane, winch, or other lifting device known in the art. For example, the buoys 120 may be raised and lowered using a lifting device 112 that is disposed on the transport vessel 110, such as by increasing and decreasing the length of the deployment line 130 and support chain 140 which are connected to the buoys 120. As the buoys 120 reach a depth near the ocean floor 40, a support cable 160, which is coupled to the buoys 120, may be connected to the sub-sea equipment 170. Similar to the connector 135, the support cable 160 may be connected to the subsea equipment 170 through the use of a threaded connector, an interference fit connector, a swivel, a hook, or any other connection device known in the art. The connection is typically accomplished using the assistance of a Re-
Figure 22: Second embodiment of retrieval and deployment system.
to the transport vessel 110 through a first deployment line 130 and support chain 140. The deployment line 130 may be connected to the support chain 140 by a connector 135. The connector 135 may be a threaded connector, an interference fit connector, a swivel, a hook, or any other connection device known in the art. Further, the support chain 140 may have a “belly� that allows the transport vessel 110 to heave independently of the buoys 120. As such, this may effectively decouple the movement of the buoys 120 from the movement of the transport vessel 110. Further, a system that uses a chain to decouple the movement of a buoy from the movement of a vessel may be referred to as a Heave Compensated and Landing System (HCLS) and is discussed in U.S. Patent Application No. 2003/0221602. Furthermore, the weight of the support chain 140 (which may be located under the buoys 120, as shown) may be
Figure 24: Fourth embodiment of retrieval and deployment system.
Figure 23: Third embodiment of retrieval and deployment system.
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Wire Rope News & Sling Technology February 2014
motely Operated Vehicle (ROV) 115. After the support cable 160 is attached to the sub-sea equipment 170, the buoys 120 may raise the sub-sea equipment 170 to a specific depth below the surface of the ocean 30. While the sub-sea equipment 170 is being raised to a specific depth, a carrier 300, such as a rathole, is deployed from the transport vessel 110 (see figure 24), or from a secondary transport vessel (not shown). While at an equilibrium state (e.g., before any exterior force is applied) the carrier 300 is configured to float in a horizontal position on the surface of the ocean 30. During operation, a support chain 240 is attached to one end of the carrier 300. The support chain 240 may be coupled to the transport vessel 110 via a deployment line 230. The support chain 240 is positioned and lengthened such that the support chain 240 pulls down on one end of the carrier 300, thereby causing the carrier 300 to rotate to a vertical position. The support chain 240 may be similar to support chain 140, thereby decoupling the movement of the carrier 300 from the move-
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ment of the transport vessel 110. Once the carrier 300 is rotated to a vertical position, the carrier 300 is lowered to a depth below the sub-sea equipment 170, which is attached to support cable 160. Following the lowering of the carrier 300 to a depth below the sub-sea equipment 170, the sub-sea equipment 170 is positioned and placed within the carrier 300 (see figure 25). For example, using the buoys 120, the first deployment line 130, and the support chain 140, the sub-sea equipment 170 may be lowered into an opening (not shown) within the carrier 300 (see figure
Figure 25: Fifth embodiment of retrieval and deployment system.
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25). In such an embodiment, the sub-sea equipment 170 is lowered into the opening to a position that allows the subsea equipment 170 to be secured within the carrier 300. After being placed within the carrier 300, the ROV 115 may then be used to engage at least one locking mechanism (not shown), which will secure the sub-sea equipment 170 within the carrier 300. The locking mechanism may include, for example, locking pins, levers, or other locking components known in the art. Upon securing the sub-sea equipment 170 to the carrier 300, the support cable 160 may be detached from the subsea equipment 170 using the ROV 115. After the support cable 160 has been disconnected, the carrier 300 is raised toward the surface of the ocean 30 by drawing in deployment line 230 though the use of the lifting device 112, such as a crane, winch, hoist or other lifting device known in the art (see figure 26). As the carrier 300 nears the surface of the ocean 30, the support chain 240 and deployment line 230 may remain connected to the carrier 300. After, the carrier 300 and the sub-sea equipment 170 begin to float near the surface 30, the carrier 300 may return to a nearly horizontal position of equilibrium on the surface of the ocean 30 (see figure 27). The transport vessel 110 may then be used to transport the carrier 300 and sub-sea equipment 170 to another location. In one embodiment, the transport vessel 110 may pull the carrier 300 while it is still floating at or near the surface of the ocean water via the deployment line 230. Alternatively, the carrier 300 may be lifted on to the deck of the transport vessel 110 and then transported to another location, or the carrier 300 may be secured to the side of the transport vessel 110 for transportation. WRN Wire Rope News & Sling Technology February 2014
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Slingmax® Twin-Path® Extra Check-Fast® Sling
Slingmax® TPXCF slings have overload indicators, Covermax® covers for superior abrasion resistance and inner red covers. They are used worldwide in place of steel rigging for heavy lifts. They are approximately 10% of the weight of a steel sling and products are repairable. The Twin-Path® patented design provides the rigger with two independent connections between the
hook and the load for protection assurance, according to a company release. These slings have less than 1% elongation at rated capacity. If ergonomics, productivity and safety are important, then these slings are your best choice. Independent testing shows that KSpec® is the longest lasting load bearing core yarn in any sling.
Ergodyne launches new nonconductive Squids Tool Lanyard
Ergodyne has announced the expansion of their Squids® Tool Lanyard Line to include the Squids® 3104 Detachable Dual Loop Lanyard. By eliminating the use of metal, this new tool lanyard is nonconductive and non-marring - perfect for electrical applications - while still offering maximum durability with a dual loop, interchangeable design, according to a company release. “When removing metal from a lanyard design, most tool lanyard manufacturers sacrifice durability or weight capacity in their connectors,” said Nate Bohmbach, Product Manager. “Our new 3104 Detachable Dual Loop Lanyard is tested using a 2 to 1 safety factor and sacrifices nothing when it comes to performance and protection.” All Squids® Tool Lanyards are designed with grit and efficiency in mind. Staying true to this notion, the 3104 model features a stretch cord and quick connecting buckle for easy exchange of multiple tools. By eliminating metal within the connector, workers in sensitive surface applications will feel confident knowing their tool lanyard is a
Huskie announces the S-20 Handheld Hydraulic Cutter
Our most popular handheld tool, the S-20 easily replaces other tooling such as hacksaws, acetylene cutting torches, or pneumatic cutting tools. According to a company release, only minimum pumping effort is required to cut wire rope, soft steel bolts, standard guy wire and rebar. The anvil style, center cut blades eliminate jamming problems common to shear style cutters, and the blades are easily replaced in the field. For underwater work in saltwater, the S-20 can be nickel plated to protect the tool. For more information go to their website at www.huskietools.com.
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non-marring, scratch free option on the job. Without sacrificing quality or capacity, the dual loop design is also nonconductive and non-sparking ensuring protection in other sensitive applications. “We are excited to bring a first of its kind tool lanyard to market,” said Tom
Wire Rope News & Sling Technology February 2014
Votel, President and CEO. “Our testers identified a gap, and we were hell-bent on delivering a solid solution.” Ideal for workers in electrical applications or those working on sensitive surfaces, the Squids® 3104 Detachable Dual Loop Lanyard is available now at all authorized Ergodyne distributors. For more information or for where to buy, visit www.ergodyne.com or call 800.225.8238 // +1 651.642.9889.
New Promec Die Services your company name on every swaged fitting
PROMEC can cut your dies so that every swage imprints your company’s name, logo, slogan, or any other text or design you choose, onto the finished
product. According to a recent company release, PROMEC makes it inexpensive and easy to build brand recognition and to get your name seen by more potential customers. Make sure that every swaged fitting you produce works for you as free advertising! PROMEC offers a range of other die services designed to meet all of your swaging needs, save you money and ensure your brand gets recognized. For more information, visit our website at www.uspromec.com, give us a call at (860) 450-1139 or send us an email at sales@uspromec.com.
ATI’S new mobile die handling system
Combo scissors lift table with push/pull system simplifies die and mold installation and retrieval. Die Table with Powered Pusher Mentor, Ohio December 2, 2013 Air Technical Industries, Inc. introduces a “New Heavy Die & Mold Installation and Retrieval System”. This system is self-loading and unloading and is capable of installing heavy dies into the press effortlessly by one person. This is done safely and efficiently which will eliminate injuries like pushing, flexing, stretching, reaching, etc. This unique new design features two
short arms and two long arms to do the pushing and pulling with just a press of the button instead of 3 or 4 people doing it strenuously, according to a company press release. The pushing, pulling and lifting is hydraulically activated with ample force to do the job. The push/pull arms are manually positioned or can also be hydraulically powered. The arms can pull the die or mold from the storage shelving to the conveyor top deck which is elevated to the desired height. It then securely holds the load to transport it to the press. The unit then raises or lowers the die to the press table height and then pushes the die as deep into the press as required. The unit is mobile, mounted on wheels and casters with “T” type bar for lighter units. For easy mobility, the wheels are roller bearing mounted with polyurethane treads that provide smooth rolling and protects the floor. Heavier units are available selfpropelled with variable speed control and 90 degree steering capability. This allows the unit to maneuver in narrow aisles between the machine presses
to make sharp angle turns. The selfpropelled unit is battery powered with a built-in battery charger that makes the unit self sufficient. The capacity available is 2000 lbs up to 50,000 lbs with a lifting range from 14” up to 120” high for multi-level self storage and retrieval systems. The size ranges from 24” up to 96” wide and 48” up to 144” long. The unit is specifically designed with ergonomic and safety considerations and provides efficient time savings for installation of heavy dies and molds. In addition, the unit can be used for handling many other heavy items such as manifolds and machine loading of heavy parts which provides the operation more up-time while taking the load off the peoples’ backs. See it in action at: youtu.be/AK-eacd9ULQ. For more information contact Vida Novak at Air Technical Industries, 7501 Clover Ave. Mentor, OH 44060. Phone: (440) 951-5191 or toll-free 1-888-8576265. E-mail: V.Novak@airtechnical. com. Visit the ATI website at www. airtechnical.com.
Slingmax® Equalizer Block
The Equalizer Block by Slingmax® Rigging Solutions is used to evenly distribute weight when performing lifts. Rather than adjusting slings and hooks prior to completing a lift, the Equalizer
In 1924, Germany’s ‘Adolf Bleichert & Co.’ celebrated its 50th Anniversary. By the time of this occasion, the company had designed and built the world’s record holding wire ropeways: Longest and highest elevation (Argentina); Length of system over water (New Caledonia); Steepest (Tanzania); Highest capacity (France); Northernmost (Norway); and, Southernmost (Chile). Written by the great-great grandson of the company’s founder, this book includes over 100 pictures and detailed engineering drawings that explore the legendary company’s history, and several of its record-holding systems.
Available at Amazon.com for your Kindle or other device ‘Like’ it on Facebook for relevant information and news
One STOp SHOp HOISTS RIGGInG HARDWARe Block will automatically adjust itself when pressure is put on the device from the sling. According to a company release, the Slingmax® Equalizer Block was designed specifically for Slingmax® Twin-Path® Extra Slings. SLINGMAX®, CornerMax®, Twin-Path®, CheckFast System®, K-spec®, Covermax® are trademarks of and the property of Slingmax® Rigging Solutions.
SLInGS
877-LIFT AMH allmaterialhandling.com
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Chant Engineering expands Sales Division with addition of Said Baydar, Business Development
Chant Engineering Co., Inc. is pleased to welcome Said Baydar to the Chant team. Baydar will lead their Business Development as they expand further into foreign and domestic markets. Baydar, based out of Canada, brings his Electrical Engineering background to compliment this new role and will be a huge asset for Chant. Patrick Shire, Vice President of Sales and Marketing for Chant Engineering, said “Said is a valuable addition to our team. He will play a key role in enhancing relationships with existing customers and attracting new clients – we will be better positioned to continue providing quality service for our
Said Baydar
friends to the North. We are pleased to have Said and his expertise as part of our growing team.” Prior to joining Chant, Baydar has maintained his status as a Professional Engineer, with an emphasis in Electrical Engineering. He also has a strong industry background, which includes owning an import and export company catering to the rigging, securing and lifting industry. Privately, he is a proud family man and avid tennis player. As Said spearheads Business Development for Chant, he will be responsible for overall growth and management of the Canadian marketplace. Chant Engineering Co. is a global diversified engineering company that designs, manufactures, services and calibrates testing machines, systems and related accessories for worldwide industrial and military customers. Chant is the Authorized North American distributor for Friedrich Höppe and TALURIT AB products and is expanding their warehouse facilities to handle increased ma72
chinery and product inventories as well as having more manufacturing space. As a nationally recognized calibration facility, Chant has precision calibration equipment traceable back to the National Institute of Standards and Technology (NIST). Currently, Chant is capable of calibrating testing machines up to 3.3 million lbs with load cells that have the capacity to calibrate to 1.5 million lbs in tension and 3.3 million in compression. For more information on Chant Engineering, visit www.chantengineering.com.
Columbus McKinnon names Jeff Armfield as Executive Director, Global Product Strategy and Development
Columbus McKinnon Corporation (Nasdaq: CMCO), a leading designer, manufacturer and marketer of material handling products, announced that, effective January 20, 2014, Jeff Armfield has been named Executive Director, Global Product Strategy and Development. Mr. Armfield will be responsible for developing a cross-functional product development and engineering team with the goal of improving the process of product design and execution plans centered around market needs, while increasing the Company’s development cadence. He will be responsible for strategic planning of the Company’s primary products and brands across the globe focusing on world class quality, cost, delivery and logistical performance. Timothy T. Tevens, President and Chief Executive Officer, commented, “Jeff brings the leadership and experience needed to navigate effective new product development from the design phase through execution globally. Product development is a critical function to ensure that we successfully maintain our strong market position in developed markets, and to drive further penetration in emerging markets.” Prior to joining Columbus McKinnon, Mr. Armfield served as the Global Director – Engineering and Product Management for AxleTech International, LLC, where he had leadership responsibility for AxleTech’s global product development. Prior to that role, he had global business development responsibilities for the company and led the construction, startup, and operation of AxleTech’s North American aftermarket operations facility in Troy, MI. Prior to AxleTech International, Mr. Armfield was an engineering manager at Stewart & Stevenson Tactical Vehicle Systems (now part of BAE Systems).
Wire Rope News & Sling Technology February 2014
Jeff Armfield
Mr. Armfield earned a Bachelor of Science degree in Mechanical Engineering from North Carolina State University, a Master of Science degree in Mechanical Engineering from Purdue University, and holds an MBA from the University of Michigan with a Manufacturing Concentration credential from the University’s Tauber Institute for Global Operations.
Swiackey retires, Tony Bon appointed CEO
Samson, a worldwide leader in performance rope, announces that after more than 41 years, Steve Swiackey will retire as CEO at the end of 2013. Tony Bon, Samson’s current president, has been named CEO. Swiackey came to Samson in 1972 as assistant plant manager of what was then Samson’s largest manufacturing operation in Shirley, Massachusetts. He quickly rose to plant manager, then to vice president of manufacturing, and
Steve Swiackey
River Holdings™, noted, “The company has prospered under Tony’s day-to-day leadership as president and we look forward to working with him as CEO.”
Star Crane and Hoist appoints Ellis Luchies
Tony Bon
in 1985 became president of the company. In 1988 Swiackey bought Samson, relocating the company’s headquarters and its largest manufacturing operation to Ferndale, Washington. In 1993 he sold the business to the present owners, Wind River Holdings™; adding manufacturing facilities in Lafayette, Louisiana, and setting the stage for the strategy that would ultimately transform Samson into the world’s leading high performance synthetic rope company. For the last several years, Swiackey has continued to lead growth and success in his position as CEO. Throughout his 41 years with the company, Swiackey has exemplified the passion and pride of Samson’s core values. He has also brought this same level of commitment to both the cordage industry and the community, serving as United Way board chairman and president of the Cordage Institute. Through his example and encouragement he has inspired others to the same level of passion. His commitment, vision, and leadership have been instrumental in creating the Samson of today: a strong, self-sustaining company that will continue to improve and grow well into the future. Swiackey will remain an asset to Samson by serving in a consultancy role to Wind River Holdings™. Bon has been a valued member of the Samson team since 1974 when he began on the manufacturing floor in Samson’s Massachusetts facility. He soon progressed to production superintendent and later transferred to the Ferndale facility in 1980 as plant manager. Since then, he has held positions as materials manager, vice president of operations, senior vice president, chief operating officer, and president since 2007. Robert Strouse, President of Wind
Star Crane and Hoist is pleased to announce the appointment of Ellis Luchies to Director of Human Resources and Business Development. Luchies brings over 30 years of experience with handling large accounts, growing sales and profitability along with experience in managing and developing multiple levels and skill sets within organizations. Most recently he ran a business unit for SpartanNash. “We are excited to have Luchies join the organization to help manage our growth strategy” said Craig Derks, President of Star Crane and Hoist. Luchies is a graduate of Western Michigan University’s Honors College. He is married with two children and resides in the Kentwood area. Luchies stated “Star Crane and Hoist’s dedication to customer service and midwestern val-
Now available with USA made chain, assembled and tested in USA.
Ellis Luchies
ues encourages growth I’m thrilled to play a role in.” Luchies will be based out of the Allendale Michigan office while working with their satellite offices including Portage, Traverse City, Saginaw, Detroit, Angola IN, and Cleveland OH.
Al Abel receives top trainer honorable mention
This is the second time since 2008 that Al Abel, Lifting Specialist for Mazzella Companies, has earned this recognition, a testament to his consistency as a great trainer. A retired high school teacher and athletic director, Al knows
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continued from previous page how to engage students. His question and answer sessions after class are often as long as the class itself. Comments from numerous customers indicate how much they relate to Al, but also how much they’ve learned and later applied. Al is known as one of the leading trainers in the rigging and lifting industry. Among Al’s favorite phrases: “Never be in the shadow of the load,” and “Always plan your lift.” Mazzella Companies is a privatelyowned business, founded in 1954, and employs over 300 people at 18 locations in Ohio, Michigan, Pennsylvania, North and South Carolina, Kentucky, Maryland, Virginia, Tennessee, Alabama, Illinois and Minnesota. Over 90 employees are certified inspectors of lifting and rigging equipment. Mazzella is a manufacturer and distributor of a wide range of lifting products for industrial, commercial and specialty applications. Mazzella Companies is a leading manufacturer of world-class overhead cranes and has a highly experienced staff that provides overhead crane services nationally.
Jordan joins the expanding engineering team at Yarbrough Cable Service, headed by Andrew Mullis as Engineering Manager. The Yarbrough team is excited about its enhanced customer service capabilities in engineered lift planning, structural design, specialized load testing, rigging, and crane rope consulting.
Spider Promotes Steve Leon to District Sales Representative – Las Vegas
Spider, a division of SafeWorks, LLC, announces Steve Leon has been promoted to District Sales Representative of its Las Vegas operation center. In this role, Steve is responsible for solving the suspended scaffolding and fall protection challenges of contractors and facility owners throughout western Nevada, eastern New Mexico, southern Utah, and Arizona. Steve has spent the past year generating leads as Spider’s Inside Sales
Jordan Terry joins Yarbrough Cable Service
Yarbrough Cable Service is proud to announce the addition of Jordan Terry, P.E. to its Memphis Tennessee engineering staff. Jordan brings to Yarbrough over 7 years experience as a rigging engineer with one of the nation’s leading crane & rigging contractors. Jordan is a 2009 graduate of Mississippi State University, with a degree in Civil/Structural Engineering. Jordan is also a licensed Professional Engineer in the State of Tennessee.
Jordan Terry
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Steve Leon
Representative. Prior to that, he spent six years in various sales roles in the realty and insurance industries. He earned his bachelor’s degree from the University of Central Florida. “Throughout his past year with Spider, Steve has demonstrated a strong work ethic, exemplary sales skills, and positive customer relations – characteristics that have set him apart and earned him the promotion,” comments John Sotiroff, Vice President Spider Sales and Distribution. “We’re confident he’ll leverage this experience to achieve the increased goals and responsibilities he’s been assigned, ultimately ensuring the customers in his territory will receive the high level of service and expertise for which Spider is known.” About Spider: Founded in 1947, Spider, a division of SafeWorks, created the powered suspended access business by introducing
Wire Rope News & Sling Technology February 2014
the wellknown Spider basket. Since then, our product and service offering has expanded greatly to serve the needs of an ever-growing marketplace. Spider is the largest manufacturer and distributor of access and safety solutions in North America, serving more customers from more locations with a wider variety of products and services than any other company. From baskets, traction hoist and platform rental, to safety and training, to specialty-engineered products - Spider has a strong team of professionals, along with a national network of sales, service and support capabilities to provide you with the most reliable access solutions available.
Columbus McKinnon appoints R. Scott Trumbull to Board of Directors
Columbus McKinnon Corporation (Nasdaq:CMCO), a leading designer, manufacturer and marketer of material handling products, announced the appointment of R. Scott Trumbull to its Board of Directors effective January 19, 2014. Mr. Trumbull is the Chairman and Chief Executive Officer of Franklin Electric Company, Inc. (Nasdaq:FELE). He joined the Board of Franklin Electric in 1998 and was elected Chief Executive Officer of the company in December 2002. Franklin Electric is a global leader in the production and marketing of systems and components for the movement of water and automotive fuels. Ernest R. Verebelyi, Chairman of Columbus McKinnon’s Board of Directors, commented, “I am very pleased to welcome Scott and look forward to working with him. He brings excellent experience, with firsthand industrial knowledge and leadership that we expect will be an invaluable addition to our Board.” Prior to Franklin Electric, Mr. Trumbull began his career at Owens-Illinois in 1972, progressively advancing through various operational and leadership positions ultimately to the role of Executive Vice President and Chief Financial Officer. He currently serves on the Board of Directors of Health Care REIT, Inc., which he joined in 1999. With the addition of Mr. Trumbull, Columbus McKinnon’s Board of Directors now totals nine members, including eight independent directors. Mr. Trumbull will serve on the Audit Committee and Compensation Committee. He will stand for ratification at the Company’s annual shareholder meeting in July 2014.
Advertisers Index HELPING US IN
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Please turn to the pages indicated below for a detailed view of advertisers’ products or services. Accutech ........................................................69
Morse-Starrett Products Co. . ..........................32
All Material Handling .................................71, 73
Muncy Industries ............................................12
Allied Power Products .....................................36
Peerless Chain ................................................19
Associated Wire Rope & Rigging, Inc. .... 23, 51, 54
Premier Wire Rope ............................................4
Bleichert’s Wire Ropeways .............................71
Promec . .........................................................42
Buffalo Lifting and Testing ...............................64
Rud Chain, Inc. ...............................................46
C. Sherman Johnson Co., Inc. . .......................53
Sea Catch .......................................................77
Caldwell Company, Inc. .......................20, 45, 80
Slingmax Rigging Products ...............................5
Chant Engineering Co., Inc. .......................27, 44
Slinguard Protectors . ......................................53
Chicago Hardware ..........................................16
Southern Wire .................................................30
Cleveland City Forge . ......................................29
Strider~Resource . .........................................13
The Crosby Group . ...............................2, 14, 38
Suncor Stainless, Inc. ............................... 40-41
Distributor Computer Systems . .......................63
Talurit .............................................................17
Downs Crane & Hoist Co., Inc. ........................67
Taylor Chain Company ....................................66
Engineered Lifting Tech ...................................69
Terrier Lifting Clamps ......................................24
Esmet .............................................................39
Tuffy Products ................................................35
Gaylin International Co. Pte. Ltd. . ....................79
Van Beest BV ..................................................11
Harrington Hoists and Cranes . ........................57
Wichard, Inc. ..................................................59
Ken Forging, Inc. .............................................31
Windy Ridge Corporation ................................67
Kulkoni ...........................................................33
Wireco Worldgroup .........................................21
KWS, Inc. .......................................................63
Wirop Industrial Co., Ltd. . ...............................25
Landmann ........................................................6
Yale Cordage, Inc. ...........................................52
Lincoln Hoist . ...................................................3
Yoke Industrial Corp. .......................................15
Loos & Co. .....................................................37
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POSITION AVAILABLE Company: Southern Wire, a leading wholesaler/distributor of wire rope, slings, chain, and fittings is expanding its sales force. We are seeking Inside Sales Representatives for the Memphis, TN area. We offer a competitive base salary and commission program. Our excellent benefits package includes medical, dental, life, disability, paid vacation, and 401K. Please visit company website: www.houwire.com. College degree preferred - Industry knowledge a must. Send resume in confidence to: marketing@southernwire.com or Fax# 662893-4732. *No calls please* Muncy Industries, LLC, has been providing quality wire rope fittings, lifting hardware, and machines for over 60 years. Originally based out of Pennsylvania, we have recently opened a second location in Lafayette, Louisiana. Muncy Industries is seeking an individual with experience in the wire rope industry to help lead the sales team in our Louisiana location. Requirements include: • Knowledge of the wire rope industry or related industry in the gulf area is a must. • Excellent written and verbal communication skills. • Team player, good with people. • Must be able to set and attain goals in a timely manner. • Proficiency in Microsoft Word, Excel, and Quick-Books. We offer competitive wages alongside an excellent benefits package including 100% medical, life, disability, and 401K. Contact us via email: pwhite@muncyindustries.com or fax: 570-649-5850. Outside sales representative needed for a well established distributor of wire rope, rigging hardware, chain and related industry products, located in Central Arkansas. The qualified individual will possess industry knowledge and the ability to develop new accounts and grow existing accounts. Our company offers a competitive salary, bonus structure and benefits package. If you are qualified please email your resume with salary history to: Reference Box12-01 on subject line, and reply to info@wireropenews.com. Wire Rope Industries, one of the leading manufacturers of premium ropes with more than 125 years of experience, is opening a regional sales rep position to support the growing business in South/Central USA. We are looking for a dynamic candidate with experience in the lifting industry and a proven ability to excel in competitive environments. Strong personality, focus, drive, and the ability to develop accounts in a fast and sustainable way are required. We offer competitive compensation, industry-leading training, and opportunities for growth. If you are interested in joining the leading innovators in the premium market, please email your resume to careers.industrial@ gmail.com.
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Company: Southern Wire, a leading wholesaler/distributor of wire rope, slings, chain, and fittings is expanding sales force in other parts of the US. We are seeking Outside Sales Territory Managers for the Northeastern and South Central areas of the US. We offer a competitive base salary and commission program. Our excellent benefits package includes medical, dental, life, disability, paid vacation, vehicle, and 401K. Please visit company website: www.houwire.com. College degree preferred - Industry knowledge a must. Send resume in confidence to: marketing@southernwire.com or Fax# 662893-4732. *No calls please* Company: Nelson Wire Rope Corporation Description: Established in 1979 in Hatfield, Pa, Nelson Wire Rope Corporation is a leader in wire rope fabrication and product distribution. We offer a wide array of products for the lifting, towing, construction, traffic control and other industries. Location: Hatfield, PA Employee Type: Fulltime Industry: Manufacturing, Wire Rope and Sling Industry Job Title: Outside-Inside Sales Required Education: Industry experience, degree preferred Required Travel: Frequent Day Trips Other: Local Candidates Only Interested candidates should Email resume to: nwrjobs@gmail.com. Job Duties and Responsibilities: • Aggressively identifies and contacts prospective customers by phone and on-site visits. Ability to conduct sales presentations of company products or services while on site. Plans effective strategies to capture new business. Proven ability to generate new sales. • Provide inside customer service and sales. Skills and Qualifications: • Excellent customer service skills; strong written and verbal communication skills, outgoing personality, team player. • Effective time management, organization and multi-tasking skills. • Proficient in Microsoft Word, Excel, Outlook. Education and Experience: • Minimum of three (3) years experience in an Outside sales role, and five (5) years experience in Inside Sales/Customer Service experience. • Knowledge of wire rope, crane cable, rigging, construction or related industry. Inside wire rope sales representative: 90+ year family owned business is looking for an experienced inside Wire Rope representative, to replace retiring veteran salesman. Candidates must be reliable, honest, strong work ethic, and demonstrate good communication skills. Our company provides excellent compensation and benefits to our team members, including Paid vacation, holiday, and sick leave, 401K Retirement plan with matching, excellent insurance benefits - Medical, Dental, Vision, RX, Short Term Disability, Life Insurance. M-F. office
Wire Rope News & Sling Technology February 2014
hours. Drug free workplace. Please reply to: Attention: Cherise, Rasmussen Wire Rope and Rigging Co. Inc. 415 south Cloverdale Street, P.O. Box 81206 Seattle, WA 98108, Phone: 206-762-3700, Fax: 206-762-5003, email: Cherisem@rasmussenco.com. Certified Slings & Supply, Florida’s largest family owned rigging, contractor and industrial supply company is seeking experienced sales representatives for our Florida territories. The suitable candidate will be aggressive and detail-oriented with experience in selling overhead lifting, load securement and fall protection equipment along with other contractor supplies and have a proven successful sales history. Our 53-year family-owned company provides excellent benefits to our team members including medical insurance, holiday and vacation pay and 401(k) with company match. If you share our core values and the experience we are looking for we look forward to hearing from you. Email your resume and salary requirements to Attention Team Member Relations at csi@certifiedslings. com or fax to 407-260-9196. Our Purpose: To grow through challenge and opportunity ‘with passion’ while benefiting team members, customers and vendors. Our Core Values: Service, Quality, Team, Commitment, Communication, Integrity, Respect. Our Mission: We will be the most trusted and respected company in rigging, overhead lifting, load securement and contractor supplies in the world. Please visit our website at www.certifiedslings. com. EOE/AA/MFDV. Drug Free Workplace – Drug testing required. Florida Locations include: Orlando, Miami, West Palm Beach, Fort Myers, Tampa and Ocala. Fabrication manager/customer service. Work in a family oriented business with an opportunity to earn part ownership. Need someone 35-55+ years old who started at the bottom and looking to finish at the top. Need hands on splicing experience, lifting rigging experience, test bed knowledge, able to direct small growing crew. Basic computer knowledge. Willing to train and mentor young employees. Top wages and benefits for the right individual. Problem solver that our customers can depend on. Honesty and integrity a must. Call Chuck Farmer, President, Rouster Wire Rope and Rigging, Inc., 304-228-3722, in confidence. Philadelphia, PA Wire Rope & Fabrication shop has inside customer sales/service position. Experience in rigging or crane industries a plus. Contact us via email: hjs_ ess@hotmail.com or fax: 610-687-0912. Looking for sales professional. Comprehensive understanding of wire rope, chain, nylon, and fall protection preferred. Sales experience required. Competitive salary plus commission. Benefit package included. Email resumes to shane.horizoncable@coxinet.net. continued
Leading manufacturer of below the hook lifting devices seeks a mechanical engineer who has experience with designing below the hook lifters. Experience with motorized control systems is a plus. Excellent working environment, compensation and schedule all in a fantastic, southern coastal area! Please send resume to Tandemloc, 824 Highway 101, Havelock, NC 28532, sandy@ tandemloc.com or call 252-463-8113. Web and Round Sling Dept. Manager; Arctic Wire Rope and Supply in Anchorage Alaska is looking for an experienced person to run a small but active sewing and round sling department. Must be accomplished at sewing and teaching others how to fabricate multiple ply and width web slings, working with a round sling machine and adapting to ours. Must be comfortable with non-standard / custom orders. Pay is $18-22/hr DOE, major medical, 401k with 8% company match. Winters can be cold and long, should enjoy playing in the snow if possible, no city or state tax and you get a yearly permanent dividend from the State after one year of residency. Email resume to accounting@arcticwirerope.com. Sales manager needed for Chicago market. Must have strong understanding of wire rope, chain, hardware. Must be able to establish goals and achieve desired results. Computer literate, minimal travel. Salesforce knowledge a plus. Competitive salary and benefits. Reply to box 11-4, care of Wire Rope News, 511 Colonia Blvd., Colonia, NJ 07067. Texas Wire Rope Company expanding inside sales department. Individuals must have a strong technical, mechanical and basic mathematical aptitude, including basic
computer knowledge. Selected candidates must be quality conscious and able to handle multiple tasks. Previous experience in the industrial supply market is necessary. We offer a drug-free, results-oriented work environment with excellent wages and advancement opportunities. Resumes received confidentially at wremployment@gmail. com. Established wire rope distributor in North America is expanding into crane/container rope and fabrication. We are looking for an experienced individual that can assist in formulating a marketing and business plan. This position will eventually evolve to a sales manager or general manager. Fax your resume in strict confidence to 330-4522331 attention Kris Lee or email to klee@ afdindustries.com. HELP WANTED Fast growing Billings Montana industrial supply and rigging shop seeks experienced rigger and wire rope assembler. Must be familiar with all aspects of rigging shop operations. Email resume to bjones@gotbolts.com. POSITION WANTED Outside sales professional with 20+ years experience seeking full time position. Willing to relocate. Reply to mrrigging@gmail. com. Experienced Wire Rope Sling (Flemish) fabricator needed. CWR Hawaii is seeking a worker with knowledge and hands-on ability to fabricate wire rope and chain assemblies. Full-time, 401k, vacation, insurance, and other benefits. Relocationg cost can be negotiated. If you are interested in working for our company, please email me at allen@cwrhawaii.com or call me at 808-843-2020.
(E&E). strategy, namedstainless Vision Loos &DSM’s Co., Inc. manufactures 2010 - Building onand Strengths, focuses and nickel alloy wire cable products. We are seeking an Engineer with and experience in on accelerating profitable innovametallurgy, with a wire drawing tive growthpreferably of the company’s specialties background. have a BS in metallurgy, portfolio. Must Market-driven growth, or substantial industry experience in wire or innovation and increased presence in specialty metals industries. Medical grade emerging economies are keyplus. drivers of alloys knowledge is a definite We ofthis strategy.wages The with group has annual fer competitive a comprehensive benefit An 8EEO/AA sales ofprogram. over EUR billion Company. and employs Visit 22,000 our website at www.loosco.com. some people worldwide. DSM Forward resumes to careers@loosco.com. ranks among the global leaders in many its Wire fields. Theand company West of Coast Rope Rigging is is headquartered in the Netherlands, looking to hire experienced riggers. Please send resumeinto:Europe, 7777 7thAsia, Ave. Africa South, with your locations Seattle, 98108, attention manager. and theWA Americas. About W.L. Gore & Associates, Inc. Former Division-Product Manager, ReW. L. Gore & Associates, Inc., a gional Outside Sales Manager desires technology solutions provider with southeast territory to manage and solicit acnearlyin $2the billion sales andfittings, more than counts wire in rope, chain, and related 7 , 0 0 0 industries. a s s o c i a tOver e s , 25 s pyears e c i aexperience lizes in including f l u o r o p o District l y m e r iManager, n n o v a t i oBethlehem ns that Wire Rope, Regional Manager, Wire Rope improve the quality of life. Over its 47Ind Product Manager, Rud Chain, Inc. Inyear history, Gore has applied its continued world-renowned expertise with membranes, fibers and laminates to thousands of products in performanceFax: (1-732) 396-4215
Only $1 per line. Please mail this form, with payment, to Wire Rope News & Sling Technology, P.O. Box 871, Clark NJ 07066-0871 or fax it to us at 732-396-4215. If you prefer, send no money now, we’ll bill you later. Ad may not be published if this form is not filled out completely.
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Wire Rope News & Sling 54 Technology February 2014
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continued from previous page terested parties reply to M.E. (Mike) Givens mike90309@aol.com, ph 256-476-7700. SEEKING MERGER Rigging products company seeks merger: A nationally-prominent rigging equipment manufacturer seeks to grow through merger with similar company. Strong brand recognition and extensive cargo control, wire rope, chain and synthetic sling production capabilities have fueled our growth. We now seek a merger partner so that we may take advantage of economies of scale and get to the “next level”. The business is not for sale; merger inquiries only. Principals only please, no brokers. Respond in confidence to rigmerger@gmail.com. REPS WANTED Sunwood Inc., manufacturer of nets, slings, etc. since 1986, (formerly known as Fl. nets & slings supply) is expanding nationwide & looking for ambitious independent reps in US and Canada. Check our webiste: www.netsandslings.com before contacting us. We offer several protected territories without any restriction of house accounts. Generous commission paid when order is shipped (not when $ collected). Call 954-788-7144 or e-mail: sunwoodfl@aol.com. Sales rep wanted for an established manufacturer of labels and sling tags. We are looking for a sales rep that currently calls on sling makers and rigging companies and is familiar with the business. Etiflex is a registered trademark and manufactures custom sling tags for synthetic and wire rope slings and has an excellent reputation in the field. We advertise in trade journals and exhibit at industry shows to generate brand awareness. Please contact us at info@etiflex.com or call 866-ETIFLEX for information. Manufacturer Represtentatives for Lifting Equipment & Accessories wanted by ALL MATERIAL HANDLING, Inc. Territories are now available and supported by our 4 USA Warehouses where our highly competitive and top quality products are stocked to the roof. Partner with us as we continue to grow market share. Check us out at www.allmaterialhandling.com and reach us at 877 543-8264, or e-mail peter@ allmaterialhandling.com. Well established manufacturer of wire rope assemblies seeks manufacturer representatives for most major U.S. and Canadian markets. Visit our web site at www. thecableconnection.com. Please contact ray@thecableconnection.com or call Ray at (800) 851-2961 PRODUCT LINES WANTED Merit Sales, Inc. (Manufacturer Representatives) is looking for rigging related lines to compliment the manufacturers we currently represent. If you need sales people in any of our states (AL, AR, FL, GA, LA, MS, NC, OK, SC, TN, TX, VA) please contact. We also have 2 regional warehouses available in the Atlanta area & Houston. e-mail: johng@meritsalesinc.com or call Johnny at 713-664-7723.
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PROFESSIONAL SERVICES Dragline range & depth extended using gravity return. Contact Nielsen by fax for details (fax) 904-342-0547 EQUIPMENT WANTED Wanted: Used test stand for manual hoists static testing, up to 10-tons. Contact John Gideon at jwg@meritsalesinc.com or Phone 770-266-5700. Wanted 600t wire rope swaging press complete with dies in good order, please contact Tony@cman.co.nz, or Tele 0064 3 366 1528. Wanted: used wire rope cable, sizes 1-1/8”, 1”, and 7/8”. Please call for pricing. (740) 452-5770. PROPERTY FOR SALE Industrial Warehouse Opportunity: Atlanta area. 20,000 sq.ft. with 2 dock height bay. First floor 1600 sq.ft.; Offices, 2nd floor, 3 bedroom/1 bath apt. or office, 1600 sq.ft. Central AC/heat. Total land: 2.24 acres near I-85, sale/lease/option. Only $355,000 cash. Email: matdpurch@yahoo.com, tel. 706-5993270. FOR SALE 1/4” type 316 SS HD forged clip 11,000 each, brand-Suncor & QMH, $2-35 each. Contact Alp Industries 610-384-1300 ext. 287 Rick. “Nets & slings” equipment (used) are offered at bargain prices (best offer will take it): Singer- 6 Sewing machines H.D. w/ benches. Kiwi- Web printing machine, complete set-up. Tinius Olsen- Testing machine 60K. Call us at 954-788-7144 or e-mail: sunwoodfl@aol.com. 3/16" Campbell Chain L3x51 Links- Zinc; 3200 pieces 48" with 5/16" S Hook; 1100 pieces 15" with 5/16"x2.5" O ring; In NC. Best Offer abarker@rmcord.com, 800-3429130 x 124, Andy.
HARDWARE FOR SALE Overstocked inventory for sale, 1-3/8” Shackle, WLL 13½ ton, galvanized, round pin, import. Super savings. Sold in minimum lots of 50 at $9 each. Eric Parkerson, Certified Slings, 407-331-6677. EQUIPMENT FOR SALE Reel-o-matic cable reel model RS/2M11. Capactiy 2500 lbs., 1.5 HP drive, 220V 3PH machine $1500 - Call Shlomo 973-523-7760. National swage 1000 ton press. Excellent condition, including most dies up to two inch, $110,000. Barry, Bilco Wire Rope & Supply Corp., 908-351-7800 or blemberg@ bilcogroup.com. 1-800 ton Esco, 1-500 ton National, 1-500 ton Esco, 1-350 Esco. 713-641-1552. 150 ton, Wirop C-type hydraulic swaging machine for sale. Brand new, with 4 sets of dies. $19,500 or B/O. Call Oscar at 909-5482884. Wire Rope Grips for proof test machines. Sizes: 1-1/2”, 2”, 2-1/2”. Load cells & digital read-outs also available. Call Joe Roberts (912) 964-9465. Prooftesters for sale. Capacities from 20,000 lbs. to 3,000,000 lbs. Call Joe Roberts (912) 964-9465.
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New wire rope 1-1/8” drill line 5000 ft. 6x195 BR RR IFWV $30,000 Aud & freight. Reply to Brayd Gross, Alpha Rigging SErvice, 11-13 Gerberte Court, Wurruk, Victoria, Australia, 3850. Phone 0011+61351461088. Email: bgalpha@bigpond.net.au. Crosby 7/8” G213 LPA shackles. NEW! 205 pieces available. Contact Gary Lee @ 1-800-844-3517. Fax 251-456-8860. Impacto Cable cutters and parts available from Windy Ridge Corp. Tamworth, NH, USA. 800-639-2021. Fax 603-323-2322. WIRE ROPE FOR SALE New Wireco: 6 X 26 construction, 7/8” X 5,700’ - 1” X 1,000’ ¾” X 3,500 – 5/8” X 3,000’ – 1-3/8” X 1,350’ – 1-3/8” X 1,500” – 7/16” X 5,000’ – 1” X 300. All New. Also available: new assorted Esco shackles. Call Tom at 541-378-7006 for pricing and details.
Wire Rope News & Sling Technology February 2014
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