DECEMBER 2015
Sharp Cuts
Fast, Maneuverable Concrete Cutting Inside NFL Stadium
Road Bridge Cut and Removed in New Zealand Air Pressure—More Powerful Than You Think Sunken Concrete Dolphin Wire Sawed in Texas
Feb. 2–5 2016 Save $65 on Registration Pages 9 and 31
CSDA Convention & Tech Fair, page 17 W W W. C O N C R E T E O P E N I N G S . C O M
President’s Page
KEVIN BARON CSDA President
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believe it has been a good year for our industry, and hopefully it has been a great year for all of you individually. We have enjoyed many good years together during my 37-year career (hopefully I have many more years to come!). The subject of this President’s Page is going to be a little different than my usual focus of CSDA and industry-related topics. I will keep it brief and try not to be too politically incorrect. Here I go. At this time of year, I think it is important to look at all we have to be thankful for. We all have our own thoughts and ideas on this, and I have my own. I won’t give you my complete list of things I’m thankful for, but I will tell you that God, family, friends and of course a good glass of wine are on my list. I’m also very grateful to be able to work in this industry. Having a job for all these years would be enough to be grateful for, but working in this industry with you incredible people is truly a blessing. We are all very fortunate to work in the greatest country in
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the world, in an industry that is filled with hardworking, honest, innovative and bright professionals. I know that many of you are competitors, but in the end what stands out for me is seeing all of you come together through CSDA and other industry events. Within the association, competitors are working side by side to build a better and safer industry for all of us. Thank you all for your time and efforts. I look forward to seeing you at the next CSDA quarterly meetings in California, which coincide with the association’s 44th Annual Convention & Tech Fair. Before that, I am excited to see some of you in February at what has been confirmed as the largest World of Concrete in seven years. Don’t forget to register for the show, using CSDA’s cosponsor Source Code A26 for the best deal on registration. I hope all of you have a very Merry Christmas and a safe and Happy New Year.
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CSDA OFFICERS
CONCRETE CASES
President, Kevin Baron Western Saw, Inc. kevinb@westernsaw.com Vice President, Jack Sondergard Central Concrete Cutting, Inc. Jacksondergard@sprynet.com Secretary/Treasurer, Mike Orzechowski DITEQ Corporation mikeo@diteq.com Past President, Judith O’Day Terra Diamond Industrial joday@terradiamond.com Executive Director, Patrick O’Brien Concrete Sawing & Drilling Association pat@csda.org CSDA BOARD OF DIRECTORS (Terms expiring 2016)
Open Wide
CSDA Member Extracts Motorway Bridge for Widening Project
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Peter Bigwood Brokk, Inc. peter@brokkinc.com Paul DeAndrea DeAndrea Coring & Sawing, Inc. paul@deandreacoring.com Patrick Harris Concrete Renovation, Inc. ptharris@sbcglobal.net Kevin Schmitt Husqvarna Construction Products kevin.schmitt@husqvarnagroup.com Kellie Vazquez Holes Incorporated kvazquez@holesinc.com
Sharp Cuts
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Kevin Warnecke ICS, Blount Inc. kevin.warnecke@blount.com CSDA BOARD OF DIRECTORS (Terms expiring 2017) Tim Beckman Cutting Edge Services Corp. beckman@cuttingedgeservices.com Matthew Finnigan National Concrete Cutting Inc. matthewf@nationalconcretecuttinginc.com Dan Foley Cobra Concrete Cutting Services Co. danfoley@cobraconcrete.com
Ship-Wrecked
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Greg Lipscomb Diamond Products Limited glipscomb@diamondproducts.com Mike Nelson K2 Diamond mike.nelson@k2diamond.com Doug Walker Atlantic Concrete Cutting, Inc. dwalker@atlanticconcretecutting.com
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Fast, Maneuverable Concrete Cutting Inside NFL Stadium
Diamond Tools Help Remove Damaged Dolphin from Shipping Channel
Cell Inspection
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GPR Imaging Contractor Leads Search at Port of Jacksonville
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CONCRETE OPENINGS MAGAZINE Official Magazine of the Concrete Sawing & Drilling Association Volume 24, Number 4 ISSN: 1093-6483 Concrete Openings magazine is published by O’Brien International, Inc., four times each calendar year in March, June, September and December. Editorial contributions are welcomed and advertisements are encouraged. Please contact the Concrete Sawing & Drilling Association 100 2nd Avenue South Suite 402N St. Petersburg, FL 33701 Tel: 727-577-5004 Fax: 727-577-5012
C O N T E N T S 28 Polished Perspective
Back to Basics—Material Removal
30 Safety Counts
Air Pressure—It’s More Powerful Than You Think
34 Core Health
Fact or Fiction—Processed Meat Causes Cancer
WWW.CSDA.ORG Magazines, newspapers and private individuals are welcome to reproduce, in whole or part, articles published herein provided that acknowledgements are made in the following manner: “Reprinted courtesy of the Concrete Sawing & Drilling Association, Concrete Openings magazine, Issue Date.” No alterations should be made in the text of any article. PUBLISHER Patrick O’Brien
44 Tech Talk Demolition Robots: Innovating Today’s Jobsites
48 The Business of Business
Workplace Violence—Putting Employers on the Horns of a Dilemma
ASSOCIATE EDITOR Russell Hitchen
52 Industry Bits
CONCRETE CASE CONTRIBUTORS Chris Allen Jim Currey Sam Simons Adam Yunker
64 Certification 66 Membership
EDITORIAL REVIEW COMMITTEE Skip Aston Rod Newton Pat Stepenski The information and recommendations in this magazine are provided for use by fully qualified, professional personnel. The Concrete Sawing & Drilling Association and the publisher disclaim any responsibility as to their use by readers and shall not be liable for damages arising out of the use of the foregoing information.
68 Calendar 72 Director’s Dialogue
All bylined articles published in this magazine represent solely the individual opinions of the writers and not necessarily those of the Concrete Sawing & Drilling Association.
48 On the cover: Capital Concrete Cutting’s starting lineup (from left to right): Matt Currey, Dave Calangelo, Josh Shaw, Jorden Ott, Norm McKenna, Colin Ambellan, Bill Smith, Mark D’agustino, James Currey, Keith Scarcello, Jim Currey.
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Concrete Cases
Open CSDA Member Extracts Motorway Bridge for Widening Project
Operators performed 500 meters (1,640 feet) of flat sawing on the bridge slab. 6 | D E C E MBE R.1 5
Wide
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specialty concrete sawing and drilling contractor recently completed an extensive amount of cutting work to help remove 1,200 tons of concrete as part of a two-year, $1.9-billion USD widening and tunneling scheme on a motorway that carries 100,000 cars each day.
The work included over 500 meters (1,640 feet) of flat and wall sawing, 50 square meters (538 square feet) of wire sawing and the coring of almost 200 holes.
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New Zealand’s North Western Motorway (also known as State Highway 16) links Auckland’s central business district to the western and northwestern suburbs of the city. Since May 2014, work has been underway to widen an 8-kilometer (5.2-mile) section of the motorway in the Western Springs area from three lanes to four in each direction. This expansion helps better accommodate the amount of vehicles that travel on the motorway each day and improves traffic flow on and off the carriageways at Exit 6, which is located within the widening area.
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Core drill rigs were set up to create almost 200 holes for the reinforcement and lifting of bridge sections.
St Lukes Road spans the North Western Motorway at Exit 6 via a 44-meter-long (144-foot) by 16-meter-wide (53-foot) reinforced concrete bridge. This bridge had to be removed to allow the motorway widening work to continue under it and the decommissioning had to be completed without disrupting daytime traffic. A new bridge was constructed adjacent to the existing to allow traffic on St Lukes Road to flow uninterrupted during the work. The old bridge consisted of 24
“Our core drilling and wire sawing equipment allowed us to complete tasks at any time of day, while at night we used three-phase electric floor saws with “silenced” blades to minimize noise.” —Penny Simons, director of CSDA Member A1 Kiwi Cutters & Drillers Ltd
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precast, pre-tensioned beams. Each beam was 1,100 millimeters (43 inches) tall and transitioned from 900 millimeters (35 inches) wide at the top to 500 millimeters (20 inches) at the bottom, spaced at 1.25meter (4.1-foot) centers. The bridge had a 100 to 200-millimeter-thick (4 to 8-inch) topping slab and two abutments, one of which remained in use for a new bridge, the other was cut up and removed. In addition, a center pier and headstock structure were removed. It was important that the New Zealand Transport Agency and Auckland Transport, the two organizations that jointly funded the project, found a way to complete the bridge removal with low levels of noise and minimal debris to mitigate disturbance to nearby residential and commercial properties and protect the carriageway below. The bridge, which was built in the 1980s, contained asbestos sheeting that acted as permanent form work in the gaps between each beam. Therefore, any debris created during work on the bridge had to be captured and disposed of at a licensed asbestos disposal facility. Also,
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Cut sections were removed by crane.
as New Zealand is determined a high-risk country for earthquakes, a temporary restraining structure had to be installed. This involved drilling to install reinforcing bars with transverse bars linking them together, which were configured to allow each individual beam to be lifted off separately. “Concrete breaking techniques were never really considered for this job because of noise, potential damage to the carriageway, asbestos contamination and time constraints,” said Penny Simons, director of CSDA Member A1 Kiwi Cutters & Drillers Ltd of Auckland. The company was contracted by Leighton Contractors Pty Ltd to use concrete sawing and drilling techniques for the bridge decommissioning between April and June 2015. “Our core drilling and wire sawing equipment allowed us to complete tasks at any time of day, while at night we used three-phase electric floor saws with “silenced” blades to minimize noise.” The first task was to separate the pre-tensioned beams by cutting the joints between each one. The bridge deck was surveyed to find the correct locations for the cut lines, as well as locating the diaphragm beams and establishing the exact thickness of the topping slab. As the asbestos sheeting was being cut at this stage, a slurry capture structure was installed under the bridge. A 400-millimeterwide (16-inch), 11-meter-long (36-foot) and 800-millimeter-deep (31.5-inch) drain was custom fabricated for the project and fixed to an elevated work platform. Using a gas-powered flat saw from Diamond Products, operators cut to 20 millimeters (1 inch) above the asbestos sheeting formwork and completed 500 meters (1,640 feet) of this cutting during day shifts. The lifting holes and holes for the temporary restraining structure were drilled at this time also. Operators used Hilti core drills and rigs to create four 200-millimeter-diameter (8-inch) holes up to 200 millimeters (8 inches) deep through each beam for lifting and made 96 of
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A layer of asbestos sheeting formwork meant the control and disposal of slurry had to be handled carefully.
work was frequently monitored to ensure no asbestos fibers escaped, all results were negative. All night shift work was completed between 11:00 PM and 4:00 AM during a full shut down of this stretch of motorway. After the temporary restraining structure was installed by others, the team from A1 Kiwi returned to the jobsite to begin cutting the diaphragm beams. These beams held the bridge beams together and were 550 millimeters (22 inches) wide by 1.1 meters (3.6 feet) deep. There were four beams, one at each abutment and one on either side of the central pier structure. In total, operators made 44 of these cuts using a wire saw from Hilti. The cutting contractor remained onsite at night while a 500-ton crane was used to lift out the beams sequentially before being transported to a waste Concrete sawing and drilling techniques were used to help decommission the old St Lukes Road Bridge. dump. The crane removed 20 beams that weighed 42 tons and four that weighed 62 tons. these holes in total. An additional 96 holes were cored 40 millimeters Last on the cutting contractor’s list of tasks, was the removal of (2 inches) in diameter and 130 millimeters (5 inches) deep for the the central pier and headstock. These sections were cut into pieces installation of the restraining structure. using the wire saw, with an average weight of 10 tons. To remove the During night shifts, the slurry capture structure was set up and an 600-millimeter-thick (24-inch) abutment, an operator employed a Hilti electric flat saw from Diamond Products was used to cut the remaining track-mounted wall saw with a 1,600-millimeter-diameter (63-inch) 20 millimeters (1 inch) of the slab through the asbestos sheeting. The blade to make the necessary horizontal cuts.
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Wire sawing techniques were used to cut diaphragm beams.
All slurry was captured and disposed of offsite. This was achieved by using self-emptying vacuum cleaners that pumped the slurry into 1,000-liter (264-gallon) containers. Asbestos-contaminated slurry was taken to a licensed facility while the non-contaminated slurry was taken to A1 Kiwi’s own disposal facility. The control and containment of slurry and debris was just one of the factors that complicated this job. The lifting of cut sections, some weighing as much as 62 tons, could only be done at night within a five-hour window. It was established that crane setup and take down time would account for two hours, so this left only three hours of actual work time with the crane. The original program for the work was extremely tight, so A1 Kiwi did take an extra two shifts to ensure the work was done correctly and safely. The general contractor was satisfied that the job was done with no lost time injuries, no noise complaints from local businesses or residents, no debris left on the carriageway and within the parameters of the program. “We were very satisfied with the outcome. The team chosen for this particular job took ownership of the cutting work and pushed themselves hard to ensure each task was completed to their own personal satisfaction, the company’s satisfaction and, most importantly, the satisfaction of the client. The result was a challenging and difficult job done well,” concluded Simons. REVIEW AND COMMENT ON THIS ARTICLE AT: WWW.CONCRETEOPENINGS.COM
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COMPANY PROFILE Established in 2005, A1 Kiwi Cutters & Drillers Ltd. is one of the largest concrete cutting companies in Auckland, New Zealand. The company joined CSDA in 2009 and currently has 20 employees and 15 trucks. A1 Kiwi Cutters & Drillers offers the concrete cutting services of slab sawing, core drilling, wall sawing, wire sawing, hand sawing, grinding and ferro scanning.
RESOURCES General Contractor: Leighton Contractors Pty Ltd Sawing and Drilling Contractor: A1 Kiwi Cutters & Drillers Ltd Auckland, New Zealand Phone: 64-94203386 Email: thegirls@kiwicutters.co.nz Website: www.kiwicutters.co.nz Methods Used: Flat Sawing, Core Drilling, Wall Sawing, Wire Sawing
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A new Wi-Fi network was to be installed at Ralph Wilson Stadium.
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Fast, Maneuverable Concrete Cutting Inside NFL Stadium
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wners of sports stadiums are continually looking for ways to bring fans through the turnstiles and entertain them before and during events. To keep pace with modern technology and further enhance the game day experience, the Buffalo Bills recently called on a concrete cutting contractor to cut nearly 6,000 feet of 0.75-inch-wide, 3-inch-deep trenches for the installation of a large Wi-Fi network inside the team’s stadium.
Ralph Wilson Stadium Opened in 1973, the venue was originally named Rich Stadium after a Buffalo-based food products company—Rich Products—bought the naming rights. The stadium was renamed Ralph Wilson Stadium in 1998 after the team founder and thenowner Ralph Wilson. The 71,870-seat capacity outdoor football stadium is located in Orchard Park, New York, and cost $22 million to construct. From Ralph Wilson Stadium’s opening until the end of the 2014 NFL season, the Bills have defeated each of the 31 other teams there at least once. In addition to the stadium being home to the Buffalo Bills, nearly 30 music concerts have been held there, starting in 1974 with Eric Clapton. Since then, acts including The Rolling Stones, The Grateful Dead, The Who, Dave Matthews Band, Metallica and Guns N’ Roses have all played at the stadium.
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Almost 900 antennas had to be positioned around Ralph Wilson Stadium to set up the wireless network and provide enough reliable Wi-Fi coverage for everyone inside. The lower bowl of the stadium was to have 236 antennas installed but this part of the stadium was underground, with no access available under the seats to install the necessary cabling. Installing the cables above the floor would have created trip hazards, therefore a solution was needed that would allow the cables to be buried within the stadium’s concrete risers, from the field ring wall up the steps, without causing damage to the rest of the concrete. The installer of the electrical equipment, Frey Electric of Buffalo, contracted CSDA member Capital Concrete Cutting, Inc. of Lancaster, New York, to create a series of trenches that would house the Wi-Fi cabling. The trenches had to be cut with precision and pace to keep the overall project on track. “Cutting the trenches by hand was the only way to get this job done,” said Jim Currey, general manager of Capital Concrete Cutting, Inc. “Each section was laid out in line with the specifications provided
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Seating was removed so that hand saw operators had adequate room to cut.
and the route of the proposed Wi-Fi network. Some seating had to come out, which was not an easy task, and there was limited space to work in those areas. Hand sawing the trenches was the most suitable technique, so we used nine gas-powered Husqvarna K760 saws. They were small enough to fit between the seats and could cut to the specified width and depth. We had to work quickly so that the network could be set up and tested before the Bills started their pre-season games however, prior to this, the stadium was hosting The Rolling Stones so we had to schedule our work around the concert.” Each lower bowl section of the stadium had 32 rows of seating and between each section was a series of 32 steps. The steps averaged 38 inches deep with 8-inch-tall risers and some of the trenches followed the path of the steps up through the section. Based on the specified route of the Wi-Fi network cabling, some sections had multiple trenches while others remained untouched. In addition to making sure all cut lines were accurate, the team from Capital had to control and remove all debris and slurry from the trenches. The team arrived onsite June 9th and worked in two shifts—day crew and night crew—and included nine operators along with staff to chip, clean out and power wash the work areas. A staging area was set up within the stadium for supplies and repairs. Plastic and plywood were both used to protect surrounding areas of seating from slurry, but this created further confinement while cutting with the gas-powered saws so, instead, the contractor had a person onsite to power wash nearby seats each day. Crews used wet vacuums and 5-gallon buckets to collect and remove concrete slurry from the trenches.
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Over 6,000 feet of 3-inch-deep trenches were needed to house cabling.
CSDA 44TH ANNUAL
CONVENTION & TECH FAIR
March 8-12, 2016 JW Marriott Desert Springs Resort & Spa Palm Desert, California
Keynote Speaker Dick Rutan, record-breaking aviator who piloted the Voyager aircraft around the world non-stop in nine days. Lifetime Achievement Award CSDA Past President Ted Johnston will be presented with this prestigious award during the convention. Agenda March 8 March 9 March 10 March 11 March 12
Dick Rutan
Committee Meetings Board of Directors Meeting, President’s Wine Reception Opening Session, Presentations, President’s Reception Business Sessions, Tech Fair Presentations, Golf Tournament, Gala Dinner
Ted Johnston
For more details, or to register today: Visit www.csda.org/convention Call 727-577-5004 W WW. C O N C RE TE OPE N IN GS.COM
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The network of 0.75-inch-wide trenches were completed seven days ahead of schedule.
The team from Capital was able to complete an average of 250 feet of 0.75-inchwide, 3-inch-deep trench cutting during one day and night shift with the cut and break saws. Approximately two-thirds of the cutting work was done before work had to stop for The Rolling Stones concert on July 11th. The job was then completed July 24th, before the Buffalo Bills played their first Slurry control and cleanup was extremely pre-season game and important, so wet vacuums and power washers were used. seven days ahead of the projected schedule. “This was a very challenging job for us, but it was as equally satisfying upon completion. As the days and shifts went by, the team was working well together and we gained some real momentum. By the end of the job, we were all ready to do another stadium!” explained Currey. Having completed many sawing and drilling jobs at Ralph Wilson Stadium over the years, Capital Concrete Cutting has been able to build a solid reputation with other contractors there and with the Bills organization. The cutting contractor’s staff have repeatedly demonstrated
the capabilities sawing and drilling operators possess while delivering safe and clean work. The Buffalo Bills continue to execute intricate plays and fancy footwork at Ralph Wilson Stadium, but thanks to some sharp cuts and fast hands from this CSDA member, the fans now have more to cheer about on game day.
COMPANY PROFILE Capital Concrete Cutting, Inc. has been a CSDA member for 11 years and is based in Lancaster, New York. The company has seven employees, seven trucks and is a division of Cobi Concrete Sawing of Mississauga, Canada. Capital Concrete Cutting, Inc. services the entire state of New York and offers the concrete cutting services of slab sawing, core drilling, wall sawing, wire sawing, hand sawing and curb cutting.
RESOURCES General Contractor: Frey Electric Sawing and Drilling Contractor: Capital Concrete Cutting, Inc. Lancaster, New York Phone: 716-683-5200 Email: jimcurrey@gmail.com Methods Used: Hand Sawing
REVIEW AND COMMENT ON THIS ARTICLE AT: WWW.CONCRETEOPENINGS.COM
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SHIPDiamond Tools Help Remove Damaged Dolphin from Shipping Channel fter a 25-foot-diameter, 3.5-foot-thick concrete dolphin was hit by a barge and pushed in to the Galveston Ship Channel, the port operators—Board of Trustees of the Galveston Wharfs—needed to find a way of quickly removing the 140-ton structure to allow other vessels full access in and out of the nearby port and prevent any of them from hitting it. The structure created a navigation hazard that prevented ships from docking at Galveston Terminals. 2 0 | D E C E MBE R.1 5
After a 25-foot-diameter dolphin was struck by a barge in the Galveston Ship Channel, diamond wire sawing techniques were used to help remove it.
The plan was simple: create an opening in the middle of the concrete dolphin, run rigging through the hole and lift the entire structure out by crane. However, after the dolphin was struck, the concrete slab sank to the bottom of the channel—30 feet below the surface. The 140-ton slab settled on a slope on the channel bed in a maze of sheet pile and steel reinforcement. The Houston, Texas office of general contractor Orion Marine Group hired CSDA member Aggregate Technologies, Inc. (ATI), also of Houston, to set up concrete cutting equipment at Galveston Terminal VW and create an opening in the sunken structure using diamond tools. Other breaking equipment was
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not considered because it could not be used underwater and may have compromised the remaining structural integrity of the concrete dolphin. Sawing and drilling techniques with diamond wire and core bits provided smooth cutting with low vibration. “ATI was contracted to supply expert knowledge in concrete cutting underwater and to supply all equipment for drilling and wire sawing,” said Chris Allen, estimator and project manager for the cutting contractor. “We worked with divers who were not familiar with this particular type of coring and drilling equipment, so it was important we instructed them on the correct amount of pressure to
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“Any problems we, specialty concrete cutters, face on a typical core drilling job would have been far more complicated for the divers in what was a challenging work area.� Divers entered the water to core drill 4-inch-diameter holes through the 3.5-foot-thick structure.
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apply to the drill while coring and guidance on the removal of the bit and concrete core after drilling. Any problems we, specialty concrete cutters, face on a typical core drilling job would have been far more complicated for the divers in what was a challenging work area.” Mark Carreon, Orion Marine Group dive manager, said, “We had contracted ATI to provide coring and diamond wire sawing services with our divers in the past. We successfully removed a concrete dock structure from the Port of Corpus Christi in 2006. The dock had fallen over into 40 feet of water and remained there for over 20 years. Orion Marine Group and ATI cut the dock structure into seven sections each weighing between 250 and 350 tons. The sections were safely removed from the port’s waterway and disposed of offsite. From our past experience, we had confidence in ATI and knew who to contact for this job.” Orion Marine Group specified that a 2-foot by 2-foot square opening be made through the middle of the 3.5-foot-thick dolphin so that rigging could be run through it. To create this opening, four 4-inch-diameter holes were core drilled in four corners of the marked square and then a wire saw was used to make four pull cuts from one corner to the next. In addition, ATI was tasked with setting an anchor in the cut concrete section so that it could be lifted out by crane. ATI mobilized and transported all necessary core drilling and wire sawing equipment to the jobsite, which included a Meco hydraulic core drill, a wire saw from CSDA member Diamond Products, a generator and a portable hydraulic power pack. The contractor worked from a floating work barge where operators began to instruct the divers on how to set up the core drill, from drilling anchors and depth, setting anchors and setting up the drill stand to mounting the drill on to the stand and connecting hydraulic hoses. Everyone was instructed to wear life vests at all times and applicable items of personal protective equipment. All tools and equipment, including spares, were transported on and off the work barge each day to minimize down time. The barge was positioned 40 feet from the dock during the work, therefore time would have been lost if the barge had to be re-docked and moved back in to position. Once Orion’s divers were in the water, ATI operators were able to communicate with them using CB radios to provide any further
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instruction. It took the divers three 12-hours shifts to complete the four 4-inch-diameter, 3.5-foot-deep holes in what was a difficult environment. Due to safety restrictions on the amount of time the divers could spend underwater, work was limited The Port of Galveston was established to around three or four hours. When in 1825 by a proclamation issued by the in the water, simple tasks were Congress of Mexico, as the land known hard to execute because visibility today as Texas was still part of the country. was between 1 to 2 feet. This The port, municipally owned by the City limited visibility caused problems of Galveston, is 9.3 miles from the Gulf of when securing the drill stand to the Mexico and the two are connected by the dolphin. Extra time had to be taken Galveston Ship Channel. The channel has an to correctly set the anchors before authorized minimum depth of 45 feet and is drilling could start. 1,200 feet wide at its narrowest point. Over With all holes drilled, the general 9 million short tons of cargo passes through contractor entered the water to hand the channel each year along with almost jet a tunnel under the dolphin. The 800,000 passengers—many aboard Carnival, 25-foot-diameter structure lay flat on Disney Cruise Lines, Princess Cruises and the bed of the ship channel, so a path Royal Caribbean ships. had to be created so that the divers could run diamond wire under it and through the core holes to perform pull cuts. The wire was returned 30 feet up to the surface and set on the saw. At this point, ATI operators were able to run the equipment from the barge and monitor gauges to adjust wire speed and tension. This helped maximize the cutting speed and efficiency of the diamond wire. Each 2-foot pull cut took approximately 45 minutes to complete, including setup and adjustments above and below the surface. Once all wire sawing work was finished, divers drilled four holes in the cut section and an anchor plate was attached to its top 2-foot square surface. It was then attached to the
GALVESTON PORT AND SHIP CHANNEL
Wire sawing equipment was set up to perform pull cuts on the dolphin 30 feet below the surface.
The 2-foot square, 3.5-foot-thick cut concrete section was anchored and removed by crane.
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Rigging was run through the concrete opening and the damaged dolphin was removed from the ship channel.
crane and lifted out of the water for removal from site. Following this, rigging was run through the wire sawed opening and the 140-ton damaged concrete dolphin was lifted out of the water in one piece as planned. The cutting and removal of the damaged concrete dolphin was completed on schedule, despite some stoppages to allow barges and other vessels to pass by the work area without hitting the sunken structure. All work was completed in 13 days with divers and operators working 12 hours a day. To limit occurrences of the drill stand becoming loose on the dolphin, ATI operators instructed the divers to make additional strikes to the anchors than would normally be required and set secondary anchors as backups. “The job turned out as well as we hoped it would. Working underwater with divers that were not familiar with the equipment or work with it on a daily basis was my biggest concern. However, our experienced operators did a great job of communicating specific information to the divers while in the water. In turn, the divers performed very well given their inexperience with topside core drills and having to do the work in such a challenging environment,� concluded Allen.
REVIEW AND COMMENT ON THIS ARTICLE AT: WWW.CONCRETEOPENINGS.COM
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COMPANY PROFILE Aggregate Technologies, Inc. has been a CSDA member since 2013 and is based in Houston, Texas. The company has been in business for 18 years, has 30 employees and 20 trucks. Aggregate Technologies, Inc. services the entire U.S. and offers the services of core drilling, wall sawing, wire sawing, flat sawing, selective demolition, pile cutting, breaking and hauling and ground penetrating radar. The company employs CSDA Certified Operators.
RESOURCES General Contractor: Orion Marine Group Sawing and Drilling Contractor: Aggregate Technologies, Inc. Houston, Texas Phone: 281-579-7229 Email: chrisa@aggregatetechnologies.com Website: www.aggregatetechnologies.com Methods Used: Core Drilling, Wire Sawing
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Polished Perspective
Back to Basics—Material Removal By Joe Taylor
T
hroughout the last five years the surface preparation industry has been steadily growing. More and more contractors and manufacturers are entering the field. This means a multitude of information about how to perform various applications is available. Conflicting information can make it difficult to identify the correct application method, and trial and error on a customer’s floor can be costly. One of the main services a surface preparation contractor performs regularly is restoring an older concrete floor. Normally these floors have been covered with another surface such as tile, carpet, paint or epoxy. If the material and old adhesive are not removed properly, the final floor can be affected with less than ideal results. There are several steps that need to be taken to ensure the materials are removed properly to create the ideal base. SELECT THE RIGHT GRINDER If a machine is too large, too small, too powerful or under powered it can affect the operator and the floor. To select the right grinder, there are several considerations that need to be made.
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Jobsite Size
Final Floor
The size of the floor will help determine what size of grinder to use. If the floor is small, such as a garage or home basement, a small single disc grinder is sufficient. If the floor is a department store, warehouse or other large area, a large multiple disc grinder is more efficient.
Taking into consideration the final surface is key to selecting the right grinder. Single disc, or head, grinders are the perfect tool for removing an old surface covering in anticipation of a new covering or treatment. Their high RPMs remove tough coverings, such as glue, paint, older concrete, leveling compound and even epoxy easily. After grinding, the surface is level, free from debris and is just rough enough to bond with new floor coverings. The single disc grinders might also be able to polish, but might not be the best choice for polishing. The single speed and high RPMs can wear the diamond tooling out quickly and the single head might also leave heavy scratches. Multiple disc, or planetary machines with multiple heads and variable speed are much better for polishing. In a planetary machine, the satellite head spins and the planetary drum spins. These separate actions give the operator more control and ultimately help refine the scratch pattern from step to step. This ensures a smooth, consistent surface.
Power Available Knowing what type of power is available at the jobsite or whether a generator will be needed is another important factor. Grinding machines come in 115-volt single-phase, 220-volt single-phase, 240-volt three-phase and 480-volt three-phase power. Most single-phase machines can be powered by a residential or industrial building’s outlet. This makes setup and tear down easy because an alternate source of power is not needed. A three-phase machine is generally more powerful and uses power more efficiently than a single-phase machine. However, three phase machines might have to be powered by a generator if the project is not in a specialized facility that has 480-volt three-phase power in house.
Grinder Size The weight of the machine also plays into how it grinds. The heavier the machine, the more it will grind. The weight enables the machine to keep the diamond tools in contact with the material to be removed or the concrete, enabling it to grind more efficiently. Vacuum System It is also important to select a vacuum system for the grinder. Containing dust and debris is critical to maintain a safe and environmentally friendly work site. The dust created by grinding can be potentially hazardous if inhaled for a long period of time. The use of a vacuum system that efficiently filters (99.9% @ 1 micron) fine particles protects operators and the surrounding environment. A wet/dry vacuum is ideal if a combination of wet and dry grinding methods will be used. SELECT THE RIGHT DIAMOND TOOLS A rule of thumb to keep in mind is, “Hard concrete floors and coverings (such as epoxy) need a softer bonded metal tool. A harder bonded metal tool is used on soft concrete floors and abrasive coverings.” Every diamond manufacturer has recommendation charts to help contractors determine which diamond tools to use to remove various floor coverings. Once the correct diamond tools have been determined, there is a proper way to set up the diamonds to ensure they work efficiently. Grinding Disc Setup Since grinding discs can hold a number of diamonds, it is essential to know the differences between using a half set or a full set. A half set of diamonds means diamond tools are placed at three alternating positions on the diamond holder disc. When the diamonds are set-up as a half set, they tend to follow the surface of the floor. It is similar to a tripod for a camera, which can be placed on an uneven surface and still find stable footing. A half set puts more weight per square inch on the diamond tooling, making it grind more aggressively on hard floors. It does not completely flatten the floor. With a full set, diamond tools are placed at each of six positions on the diamond holder disc. The full set of diamonds is used when a flat floor is desired. It grinds the high areas and misses the low spots, resulting in a smooth surface with no undulations.
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APPLICATION
FULL SET
Flatten floor
•
Ceramic tile adhesive removal
•
Vinyl or carpet glue removal
Epoxy paint removal
•
Rain damaged concrete
•
Smoothen exposed aggregate
•
Surface polishing of concrete floors
Grinding to expose aggregate
•
Flatten undulations in concrete floors
•
In addition to metal bonded diamonds, a PCD scraping tool might be necessary to remove heavy coatings. It is not recommended to use a concrete surface. If a PCD is required, an operator should start with the PCD tool, remove around 75% of the material and then use diamond tools to remove the remaining material. Grinding Process Now that a grinder and diamonds have been chosen, it is time to start grinding. Concrete grinding is the simplest and most efficient method for leveling and restoring a concrete floor. While the grinder removes coatings, it creates the perfect base for a new floor covering. Material can be removed by either using a dry grinding or wet grinding method. While both methods have the same end result, there are a few differences in the process:
HALF SET
•
•
LONGER CLEAN UP TIME Which method to choose is a personal preference. When either dry or wet grinding, start with a coarse grit diamond tool and progressively work down to fine grit tools— depending on the desired specification. Changing the size of the diamond grit to a smaller particle/grit size gradually removes scratches in the concrete and creates a fine scratch pattern. This creates a good bonding surface for a new floor covering. After the grinding process has been completed, the final result is a good base for either a polished floor or another surface. Ending with the perfect base floor means the next step(s) will be finished more efficiently. Taking the time to think through the process and plan accordingly will make the project more efficient, easier and the customer will be happier in the long run.
DRY • • • • •
Production rates will be slower on harder materials than wet grinding. Softer bond segments are required in order to encourage even segment wear. Scratches from diamond grit will not be as deep when compared to wet grinding. More heat is generated by the diamond segment. Cleaner work environment.
WET • • •
Joe Taylor is the product manager handling surface preparation, tile and masonry equipment for CSDA member Husqvarna Construction Products in Olathe, Kansas. Taylor has been with Husqvarna Construction Products since for two years and earned his Bachelor of Science degree from Western Illinois University, majoring in Marketing Management. He can be reached at joe.taylor@husqvarnagroup.com.
Production rates will be higher than when dry grinding. Diamond segments will wear faster due to the presence of abrasive slurry. Scratches from diamond grit will be deeper.
C O N C RET E O P EN I N G S | 2 9
Safety Counts
Air Pressure— It’s More Powerful Than You Think By Rick Norland
Unistrut or angle iron
C
reating openings in concrete walls presents a very real danger—and it is probably not a danger that comes to the mind of most operators. Most often, operators are thinking about making precise openings. The danger is with air pressure and the weight of the concrete piece that is going to be removed to make the opening. This article looks into the reasons why air pressure is often not considered when making openings, why it should be, and why the proper approach to cutting openings is so important. One reason why many operators are unsure of the proper and safe approach to cutting openings is outdated or just plain improper training on how to secure the piece being cut. In the past, most operators were trained to use wedges, often customdesigned, long and thin tapered wedges to hold the piece being cut. Operators were taught to use the tapered side of the wedges to face the opening so that the spalled concrete would not show in the finished side of the opening. The fact was never questioned that the spall occurs because the maximum compressive strength of the concrete had been exceeded, and this occurs before the full weight of the opening is on the wedge. Nor was it questioned that when the spall occurs, the concrete being cut to make the opening can shift, pushing the wedge out. When a spall occurs, the massive concrete piece being cut to make an opening can shift. Another reason why operators may not consider the danger of air pressure when cutting openings is that they have always been taught that there is no way a 10-inchthick, or greater, wall will tip because it will jam in the wall before it can fall. The final reason for an unsafe approach to cutting openings is the “hurry up and get the job done” mentality. Most wall saw operators have made the decision, at least once, to use one wedge or two at the most, to secure a cut piece instead of affixing a
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Properly-strapped wall opening.
strap to temporarily hold an opening in place, to save time. And in most cases, it is pure luck that prevented this piece of concrete being cut from falling out of the opening. Having successfully gotten away with this short cut once, the operator thinks that he or she can get away with it again and again. An operator is lucky to be around to have firsthand experience of a piece of concrete walking out of a hole. Some are not so lucky. Using wedges to secure a wall opening gives operators a false sense of security, for two reasons. First, they will only secure the opening if the opening does not move. Second, they will only secure the opening when the very small area of concrete that is in contact with the wedge does not fail. Operators might question the ability for the cut piece to move, so here is an example based on a 3- by 7-foot-wide door opening in a standard 8-inch-thick, 3,500-psi concrete wall in a food processing plant. By design, the interior of the building will be kept under positive pressure to keep dirt, dust and contaminates from migrating into the building. The amount of positive pressure can vary, so the lowest
10” wall opening shifted 3/8” towards the outside and tipped. The area in red is all that is holding the opening in place and exceeds the max tensile load for 3500 psi concrete by 1.9 times.
practical value of 1 psi has been used in this example. The weight of the opening is 2,100 pounds, assuming a concrete density of 150 pounds/ft3. The force pushing out on the door opening due to the 1 psi positive pressure is 3,024 pounds. If the operator installs wedges from the inside of the building, the combination of the slope of the wedge and the air pressure on the door opening being cut can work in concert with each other to move the piece. This movement can easily occur if something changes the amount of positive pressure in the room, such as a door being slammed closed. When this happens, a pressure wave is established and the operator may experience a sensation in the inner ear or a small shake to the entire body. What effect does this have on the door opening? The pressure wave momentarily increases the air pressure in the room or building. For a person to feel the pressure wave, it has to be several times greater than the normal building pressure. If the pressure wave increases the building air pressure by 1 psi, the force on the opening becomes 6,048 pounds, resulting in the concrete door opening jumping out of the wall.
While the author was writing this article, a thunderstorm passed through his hometown, about 30 miles to the east, and the claps of thunder were shaking the walls. Imagine the impact of this thunderstorm on the door opening in this example being described. Changes in weather, like a storm moving into the area, can have a dramatic impact on the forces being applied to the surface of a wall opening. One of these forces is wind. Standard design load for winds up to 15 mph on walls less than 60 feet tall is 15 pounds/ft2. For the example provided, that calculates to 315 pounds pushing on the opening. When a wall saw operator actually “walks” or pushes an opening out of a wall, he or she uses less than 315 pounds. When using wedges to secure an opening, the operator also needs to understand the effect of the spalling of the concrete. The fact that the concrete spalls or chips is due to the fact that the forces imparted by the wedge are greater than the maximum compressive strength of the concrete. For the purpose of this example, lets examine the effect of using two, 2-inchwide wedges (even though operators may normally use 1- or 1.5-inch-wide wedges). It is assumed that wedge to concrete edge contact is 0.125 inches instead of line contact as it actually occurs. Given these values, the load on the concrete in contact with the wedges is 4,200 psi, which exceeds the maximum compressive strength of 3,500 psi concrete by 700 pounds. The result is that the concrete will fail and spall away. In addition, this example does not include the force generated by the operator driving the wedge into the opening, which increases the load. When the loads imparted by the wedge become less than the maximum compressive strength of the concrete (spalling the opening edge until the contact area becomes large enough that the maximum compressive load of the concrete is not exceeded) spalling stops, provided the load on the concrete does not change. This load will change when the top cut is completed and the weight of the opening is placed on the wedge. Ultimately, all operators should be aware that a concrete piece held in place by wedges is never secure and can move at any time. The only way to secure an opening is to strap it in place.
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Safety Counts
continued
Another common misconception is that a 10-inch-thick, or greater, wall opening cannot tip out. This idea has been around for a long time and is based on sound geometric conditions. Geometry shows that there is not enough room between the concrete surrounding an opening as a result of saw kerf, and the concrete of the opening to pivot on a bottom edge and tip out. This is true, as long as the pivot edge of the opening does not spall; the outside top edge of the opening does not spall; the top
inside edge of the opening does not spall; or that the opening does not shift in or out and stays perfectly parallel and in line with the remainder of the wall. Assuming that the aforementioned conditions do not occur, the opening, when pivoting about a bottom edge, will jam at the top of the opening cut after pivoting approximately 3 degrees, causing the top edge of the opening to be about 4 inches out of the cut. However, the weight of the opening is now being supported by the
bottom edge of the opening, and the top edge of the opening opposite from the bottom pivot edge. For the wall opening to completely tip out, the bottom edge or opposite top edge must either spall or move either inside or outside of the space relative to the remaining wall section. The amount of the spall would have to be 0.194 inches in total, or by the bottom or top portion of the opening shifting towards the inside or outside by 0.375 inches. As discussed, changes in air pressure, wind or other induced vibration can easily overcome the static weight of a wall opening and cause it to move or shift, allowing the opening to fall. Shifting the opening 0.375 inches towards the outside of the wall will allow a 10-inch-thick concrete opening to pivot out approximately 8 inches at the top of the opening. This will load the top edge of the opening that remains within the wall to 532 psi tension, which is 1.9 times greater than the maximum tension load for 3,500-psi concrete. The only positive method for securing a wall opening is by strapping. Strapping is a method in which a metal plate or angle iron (or unistrut) is attached to both the opening and the remaining wall section by drop-in or wedge-type anchors. This may take extra time, but it is time well spent to guarantee the safety of the operator. It is important to remember and implement safe practices when cutting openings, while being vigilant towards changes in environmental conditions. Air pressure or, more importantly, a change in air pressure encountered while cutting an opening can present a danger not always appreciated. Understanding the issues discussed in this article and applying these practices on the job site will reduce the risk of injury to everyone on a job site. With over 30 years in the concrete sawing and drilling industry, Norland is the lead trainer for the CSDA training classes and a past president of the association. His company, Construction Solutions, is headquartered in Paola, Kansas. Norland can be contacted on 913-710-9923 or by email at rnorland@ construction-solutions.com.
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C O N C RET E O P EN I N G S | 3 3
Core Health
Fact or Fiction— Processed Meat Causes Cancer By Erin O’Brien
I
n late October 2015, a report was released by the World Health Organization’s (WHO) cancer agency stating that processed meat can cause cancer, and red meat probably can. This report flooded social media, TV news shows and the internet. Most people’s reactions ranged from devastation and promises to overhaul their diets, to promises never to change their current three hot dogs per day diet plan. Doctors, nutritionists and health agencies have been urging people to cut back on their consumption of processed and red meats for years, but this report is seemingly the most damning to date against consuming hot dogs, sausages, ham, roast beef and bacon. This article will explain the facts presented by the report and offer some realistic guidelines and suggestions for people who want to continue to include processed meats and red meat in their diets. For purposes of the WHO report, processed meat includes hot dogs, sausages, salami, ham, bacon, lunch meat, roast beef, beef jerky, canned meats and any type of meat that has been smoked, salted or cured. There are differences, however, in types and quality of processed and red meat, and those differences will be discussed later. I don’t want to scare you off with fancy scientific words just yet. The WHO is saying that processed meats can cause cancer, predominantly colon cancer, but also could increase risk for developing prostate and pancreatic cancer. The lifetime risk of a person developing colon cancer is about 5%. Eating a diet heavy in processed meats can raise that risk by about 18%. So eating a hot dog or deli meat sandwich a day will raise your risk of developing colon cancer to about 6%. Probably not enough of a jump to convince most people to stop eating bacon. At this point, I feel I should confess my love affair with bacon, to those who do not
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already know. I cook with it frequently, eat it with breakfast and occasionally keep some leftovers in the fridge for a snack (ok, fine, I do this a lot). So if anyone is going to be hard to scare off eating processed meats, it’s me. The oldest woman in the world, Susannah Mushatt Jones, eats several strips of bacon every morning and she just turned 116—just saying. When I buy bacon, however, I am buying the good stuff. The higher priced, but higher quality bacon that comes from better quality pigs who were pastureraised and the meat is processed with far fewer chemicals and preservatives than traditional grocery store bacon. I do this for two reasons – one, I eat a lot of bacon so I want it to taste good and two, I eat a lot of bacon so I want it to be of the best quality I can find. And this is where I believe the difference can be for those on the fence about eating processed meats. There is absolutely a difference in the type of processed and red meats you can consume. The following information is a quick overview of many of the reasons processed meat can cause cancer and be generally bad for you. Meat is processed using nitrites, which help to preserve the meat. Nitrites bind with amino acids in meat to form nitrosamines. This can occur during the processing of the meat or in the stomach of those who eat it. Nitrosamines are proven carcinogenic (cancer-causing) compounds which is why it was believed buying processed meat that is “nitrate free” can be beneficial in reducing your risk of ingesting nitrosamines. However, green vegetables are another excellent
source of nitrites and the majority of nitrosamines actually form on their own in our stomachs regardless of whether we have eaten processed meat or not. So in the end, “nitrate-free” is not really as big of a deal as had been previously thought. Another factor influencing the quality of processed meats is the quality of the animal the meat comes from. We discussed buying processed or red meat from a trusted source that uses pastured pigs, grass-fed and grass-finished cows, lamb and bison. This ensures a better quality meat and lower risk of developing cancer or other health problems. Now here’s the bad news. There are chemicals in all meat that will raise your risk of developing cancer. We’ve shown it’s not an extremely significant increase in risk, but it is there all the same. Here’s what you really need to worry about when choosing processed and red meat—oxidized lipids (cholesterol and fatty acids), something called the potassium/sodium ratio and heterocyclic amines. Oxidized lipids can get into our bloodstream and increase oxidative stress, which raises your risk of developing atherosclerosis (hardening of the arteries). Fresh meat has lower levels of oxidized lipids, so it is going to be a better choice. The potassium/
sodium ratio basically says that overall sodium intake is less important than the amount of potassium you are ingesting with that sodium. Fresh meat has higher potassium levels than processed meat, and processed meat tends to have higher sodium content. In this case, fresh meat is better than processed. Finally, heterocyclic amines are created during the cooking process of meat and have been linked to higher cancer risk. Bottom line here is to not burn your bacon and cook meat over a low temperature as much as possible. So what can you do to reduce your risk of developing these cancers while still enjoying processed and red meat? Understand the guidelines above— choosing higher quality meat is one of the most important things you can do. Also limit your intake of processed meats. Bacon at breakfast or on a sandwich, a hot dog at a ball game or some beef jerky as a snack is not going to be a problem. Eat lots of fruit and vegetables alongside your meats, as they contain protective compounds that inhibit carcinogenic formation (like nitrosamines) in the stomach. Tea, coffee, dark chocolate and turmeric also contain these compounds. Also, a new study suggested that marinating meat in beer before you grill it reduces the amount of polycyclic aromatic hydrocarbons (PAHs) in the meat. PAHs can damage our DNA, which is another way to increase risk for colon cancer. Dark beer was the best combatant against PHAs, so don’t forget to grab a couple of Guinness’s the next time you are grilling a steak—one for you, one for the meat. Processed meat isn’t the only thing we all encounter on a daily basis that can cause cancer. The same group that listed processed meat as carcinogenic also lists the following as carcinogenic: tobacco smoking, tanning beds, arsenic in drinking water, wood dust, secondhand smoke, occupational exposure as a painter, alcoholic beverages, smokeless tobacco products, contraceptives, outdoor air pollution and solar radiation. Enjoy what you love in moderation, but don’t forget to enjoy life while you’re at it. Finally, meat, especially fresh meat, contains many great nutrients and chemicals essential for our survival. Red meat provides important nutrients such as amino acids, iron and vitamin B12 as well as a high amount of protein. Don’t
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cut bacon or steak out of your diet, just try to be smarter about what you buy, how you prepare it and how much of it you eat. Balance is key so just be sure to include fruits and veggies along with your meat and limit anything that is known or suspected to cause cancer. Now if you’ll excuse me, I smell bacon. Erin O’Brien, MS, ATC is a Certified Athletic Trainer and Marketing Director for O’Brien International, the association
1/14/13 10:04 AM
management company that manages the Concrete Sawing & Drilling Association. O’Brien received her Bachelor of Science degree in Athletic Training from Ohio University and her Master of Science degree in Applied Physiology and Kinesiology from the University of Florida. She is also a Certified Level 1 CrossFit Instructor and member of CrossFit9 in St. Petersburg, FL. She is a regular contributor to Concrete Openings magazine. She can be reached at erin@csda.org or 727-577-5002.
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Concrete Cases
Cell Inspection GPR Imaging Contractor Leads Search at Port of Jacksonville
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The 1-foot-thick outer ring of each cell was scanned using GPR equipment.
A
GPR imaging was used to inspect four 45-foot-diameter concrete cells at the Port of Jacksonville.
CSDA member specializing in the field of Ground Penetrating Radar (GPR) imaging was recently contacted by a major petroleum company to inspect the 1-foot-thick outer ring of four large 45-foot-diameter reinforced concrete docking cells at the Port of Jacksonville, Florida. The structures were over 50 years old and in need of repair. While it was known the cells had undergone minor repairs and various strengthening work over the years, the condition and quantity of the reinforcement was unknown, along with their structural integrity.
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Adam Yunker, regional manager for CSDA member GPRS, Inc. in northern Florida, was tasked with using his imaging equipment on four cells that were built in the early to mid-1900s. The original design of the docking cells was sufficient to accommodate the size of ships at that time, but as larger ships began anchoring at these cells, the integrity of concrete structures needed to be redesigned. Over the years, the docking cells had been reinforced with outer layers of sheet piling and concrete, but the client was unsure if rebar had been used in the most
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Concrete Cases
continued
outer layer. The outer layer of sheet piling and concrete had begun to decay and was damaged in a few areas, so in order for the client to repair the cells, the GPR technician had to capture and evaluate data to help determine the condition of the concrete and steel rebar within them. The use of non-intrusive, non-destructive testing methods has many benefits, including reduced time, risk and cost. Identifying the presence of rebar was critical to maintaining the integrity and safety of these concrete structures. By using state-ofthe-art GPR mapping technology to measure the strength of reflection in rebar, the GPRS technician was able to identify the structural risks in the concrete and allow the client to begin remediation before any deterioration compromised the structure. In addition, the technical expertise in interpreting and mapping this data helped the client perform other maintenance work before other areas of deterioration became more extensive and costly to repair.
The technician investigated the cells for the presence of steel reinforcing bars.
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To gain access to the cells, Yunker needed to ride out on a boat with a crew of four men and use a ladder system to get to the top of each one. The GPR technician was issued with a life vest and all applicable personal protective equipment for working on and around the structures. A StructureScan Mini from CSDA member Geophysical Survey Systems, Inc. (GSSI), a unit that did not require cables or other equipment, was employed for the job. The handheld device was easy to transport on the boat and set up on the structures. The task of imaging the 1-foot-thick outer ring of the first cell began by setting up the GPR equipment at a start point and
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HORIZONTAL DISTANCE IN SCAN
REBAR
DEPTH
scanning to a depth of 18 to 20 inches. The technician scanned an approximate 1-2 foot area around the entire circumference perpendicular to the outer edge, then around the outer edge in a grid pattern. The process was then repeated for the other three cells, accounting for two hours of imaging work in total; each cell took approximately 20 minutes to scan. Typically, this type of imaging job can take longer to complete as many clients require the marking and color-coded identification of objects using spray paint. However, since the customer simply needed to confirm the presence of structural steel, no markings were required.
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Concrete Cases
continued
Imaging Insight from CSDA
Data collected by the technician was analyzed and the results given to the customer.
Many CSDA members have embraced technological advancements in the industry and added GPR to expand their sawing and drilling operations into full service companies. Some have even created separate divisions or businesses. In response this trend, CSDA added an Imaging Contractor membership category in 2013 to represent those who offer GPR as a primary or additional revenue stream. In addition, a CSDA Imaging Committee has been formed with the purpose of promoting the use of imaging technologies, primarily focusing on GPR. Committee Chairman Mark DeSchepper (Construction Solutions, Paola, KS) Vice Chair Emily Hammer (Hard Rock Technologies, Chicago, IL) Committee Goals • Address industry needs for training and certification related to imaging and GPR service providers • Develop industry Specifications and Best Practices for imaging contractors and specifiers • Create materials and set a syllabus for a CSDA imaging training class
GPR imaging revealed that two of the four cells contained steel rebar for reinforcement, while the other two did not.
After collating and reviewing the data gathered by the GPR equipment, the technician was able to determine that two of the cells did not have any reinforcement, while the other two cells did contain rebar. Based on this information, engineers were able to determine the proper course of action to complete the necessary repairs. “With the information we provided, the client was able to make the necessary repairs to the two cells and make the determination if additional reinforcement was needed on the other two. Knowing what was below the surface of the concrete gave the client the confidence and knowledge to make the best decision,” explained Yunker. A growing number of companies are employing specialty contractors that utilize the latest technologies in GPR, concrete x-ray and electromagnetic induction to identify hidden objects and potential hazards. Experienced industry technicians like those from GPRS use these tools to provide immediate and accurate detection of subsurface elements, allowing construction managers, engineers, contractors, utility workers and homeowners to safely conduct their jobs in less time and at a lower cost. In addition, the identification of objects such as utility pipes, cabling and conduit can help sawing and drilling contractors to avoid damaging them during their work.
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Upcoming Meetings March 8, 2016 June 2, 2016 September 8, 2016
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For more information, call CSDA at 727-577-5004, email mdeschepper@construction-solutions.com or info@csda.org.
COMPANY PROFILE Ground Penetrating Radar Systems, Inc. (GPRS) was established in 2001 and has been a CSDA member for two years. The company is based in Toledo, Ohio with branch locations in every major city across the U.S. GPRS, Inc. currently has 85 trucks, over 100 technicians and offers the non-destructive testing services of ground penetrating radar and utility scanning. RESOURCES Imaging Contractor: GPRS, Inc. Toledo, Ohio Phone: 419-843-9804 Email: matthew.dragon@gp-radar.com Website: www.gp-radar.com Methods Used: GPR Imaging
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Tech Talk Tech Talk is a regular feature of Concrete Openings magazine, focusing on equipment, maintenance and technical issues of interest to concrete cutting, polishing and imaging contractors. Readers wishing to have a particular subject addressed can call or email CSDA with their suggestions at 727-577-5004 or rhitchen@concreteopenings.com.
Demolition Robots: Innovating Today’s Jobsites By Johan Ekström and Shawn McNeil
DEMOLITION ROBOTS ON THE MOVE
SOLVING CHALLENGES BY INNOVATING
As sections of North America’s current infrastructure continues to show signs of aging, the need for selective demolition equipment is increasing. Demolition robots are becoming more of a common sight on many building and demolition jobsites. From commercial and industrial applications such as concrete floor removals in highrise buildings, the repair of kilns for the steel-making process or the remodeling of a sensitive heritage building, robots can be found working.
Contractors step onto jobsites today and are immediately faced with numerous and new challenges. From confined spaces, working at height, working in compromised structures and environments to engaging tough materials like concrete, steel or refractory that needs removal, modification or demolition. Add to this increasing regulations for workers regarding jobsite safety and it becomes a winding path to complete the job on time, on budget and with the best interests of the workers in mind. There are a lot of variables the contractor must take into account before figuring out the best solution to a job.
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It might be a surprise to some, but demolition robots can hold the solutions to a lot of these challenges. REMOTE DEMOLITION MACHINE CAPABILITIES Demolition robots are very precise machines and, with a skilled operator at the controls, can remove a surface without damaging the material below. It is all about how the operator handles the remote and how well the remote communicates to the machine. Robots today are operated by a remote that is either controlled by radio frequency or Bluetooth technology. The Bluetoothcontrolled machines are less likely to receive
interference from surrounding signals and, therefore, can be more responsive. A demolition robot’s secret weapon, however, is its compact footprint. Its footprint enables it to outperform excavators three to four classes larger in weight! What surprises many contractors when first approaching a demolition robot, is how small the machine is compared with how much force it can apply when breaking and crushing concrete, as well as having the ability to use a bucket attachment to aid in site cleanup. CONFINED SPACES Most small demolition robots can fit through the width of a standard-size doorway (31 inches) or ride in an elevator shaft, thanks to clever engineering that enables outriggers and tracks to fold, decreasing the width of the machine. The tracks also make it possible for the machines to climb stairs. The individually-controlled outriggers on some machines allow the operator to position the machine in hallways, stairwells and other tight areas so that it is stable and able to hit the intended site with enough force.
robots stand out by working effectively and for extended time in hot, dusty and compromised environments. JOBSITE REQUIREMENTS People agree that demolition robots are “really cool.” However, many contractors believe these machines are not needed in their arsenal of equipment, either because of the associated price tag or because they believe they have enough manpower to take care of their projects. In many cases, these assumptions can be incorrect. Adding a robot to a contractor’s arsenal of tools can make their jobs easier, more efficient and ultimately more profitable. It also protects the operator and improves overall moral. When compared to other methods and tools like mini excavators, skid steers, pneumatic and hydraulic hand tools, using remote operation is more ergonomic and the operator is less fatigued. They can focus on the work at hand for a longer period of time without getting physically worn out. SAFETY
In many demolition applications, the whole structure or a portion of it is being demolished due to deficiencies. Again, the high power-to-weight ratio enables the machine to move within the structure and have enough power to take care of the job at hand—all while keeping the operator and other workers safe.
As has been discussed above, demolition robots can play a major role in keeping operators and other workers safe. Jobsite safety is one of the top concerns for contractors, operators and regulatory agencies. However, sometimes it seems like the hardest issue to address and difficult to ensure proper procedures are followed. According to OSHA’s website, fall protection is the most frequently cited OSHA violation. A demolition robot addresses this issue by being a remotely-operated piece of equipment. It does not require the operator to be in an unsafe location. Demolition robots solve a lot of the most common construction site issues, such as electrocution, getting caught in-between or struck by objects or materials, or machinery accidents. This is because the operator is removed from the work area and the robot takes their place. However, the operator still needs to be aware of what is going on around them.
TOUGH ENVIRONMENTS
CHANGING WORKFORCE DEMOGRAPHICS
Robots are increasingly being used for applications in steel and cement processing plants. Conventional methods for reworking these selected processes expose workers to increased injury and extend the critical path for economical rework time. Here, demolition
Our workforce is in a constant stage of change. Many baby boomers remain in the workforce while younger generations approach work with a different paradigm, yet both demographics hold a great deal of
WORKING AT HEIGHTS Since these machines are compact and have a high power-to-weight ratio, they can be secured on a frame and raised in the air by crane to perform demolition of roof structures while minimizing weight on the structure. They can also be lifted up to remove building cladding or taking down smoke stacks. In many cases, workers would not be able to perform these type of applications or, if they could, it would be very time-consuming and not efficient. COMPROMISED STRUCTURES
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January 13-15, 2016 Clearwater, Florida This is the first training course of its kind from CSDA. The course will be taught by August Scalici and Johan Ekström, industry experts from the two biggest manufacturers of demolition robots in the U.S. This three-day course consists of one day of introductory training and two days of advanced certification focused on the correct operation, maintenance and troubleshooting of demolition robots and their application on concrete renovation and demolition projects. The course will include the use of several arm attachments. The CSDA Robotic Demolition Course is geared toward operators, mechanics and anyone interested in adding selective demolition services to their operations. The certification portion of the course allows all students to prove their proficiency with the machine. For more information, or to register, visit www.csda.org or call 727-577-5004.
value to the concept of working “smarter not harder.” Younger workers are more adept to picking up a remote for a piece of equipment and knowing exactly how to operate it while at the same time enjoying it. Baby boomers are working longer into
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Tech Talk
continued
their lives than previous generations. This increases the need for tools that require less strength to operate and that reduce fatigue. Older generations in the current workforce have experienced far too many years of laboring using their strength to run equipment. According to Advisen’s white paper Construction Workplace Survey: Responding to Changing Demographics (1), “Baby Boomers are aging, and they are working longer. Between 1992 and 2012, the civilian labor force over 55 more than doubled. The U.S. Department of Labor projects it will grow a further 29 percent by 2022. At the same time, the number of workers between 16 and 24 is shrinking – by about 1 percent between 1992 and 2012, but falling by an expected 13 percent by 2022.” Using robots can fill the workforce gap. For example, some contractors estimate that one demolition robot in a construction application may replace six or seven workers using conventional methods such as rivet busters or pneumatic breakers.
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Advisen’s research also states, “The construction industry has experienced a shift in its workforce due to both broader demographic trends as well as business and economic forces that have shaped the sector over the past decade.” Again, this supports the idea of younger workers wanting to work smarter and more efficiently. Demolition robots are the perfect tool for an increasingly specialized, industrial and electronic world. Business owners who plan to grow their companies and support their workers have to constantly look for new work processes, equipment and innovations. Just because something has always been done a certain way, does not mean it always has to be so. Look at the demolition robot. Who knew it could be used to help clean up after a nuclear disaster (2) or be mobilized via helicopter to help in a gondola renovation at the top of a mountain (3). The possibilities are endless.
LINKS (1) http://www.acegroup.com/us-en/assets/constructionworkplace-responding-to-changing-demographics-whitepaper-2014-11-07.pdf (2) http://www.energydigital.com/greentech/1856/ Swedish-Robots-Cleanup-Japans-Nuclear-Plant (3) https://www.youtube.com/watch?v=S_xueYIeyWU Johan Ekström is the product manager for demolition robots at CSDA member Husqvarna Construction Products in Olathe, Kansas. Ekström has extensive knowledge of the inner workings and capabilities of demolition robots. He is one of the lead instructors for the upcoming CSDA Robotic Demolition training class in January 2016. Ekström can be reached at johan.ekstrom@husqvarnagroup.com.
Shawn McNeil is the industrial market manager for Husqvarna Construction Products. He has worked with demolition robots in a variety of applications, and can be reached at shawn.mcneil@husqvarnagroup.com.
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The Business of Business
Workplace Violence—Putting Employers on the Horns of a Dilemma By Mark A. Lies II and Craig B. Simonsen
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mployers today can find themselves in a seemingly untenable dilemma when they have violence threaten to invade their workplaces. Two recent cases illustrate for us the competing liabilities that employers face in their decision-making as to how to respond to workplace violence. In one case, decided by the United States Court of Appeals for the Ninth Circuit, the employer, a superalloys casting company, chose to fire an openly hostile employee making death threats to avoid potential injury to its employees, and face the prospect of costly litigation including an Americans with Disabilities Act (ADA) lawsuit. In the other case, decided by an Occupational Safety and Health Review Commission (OSHRC) Administrative Law Judge, a healthcare provider company did not perceive or protect a social service coordinator, who was tragically fatally stabbed outside the client’s home, from the hazard of workplace violence. CASE BACKGROUND Employer Response to Violence Upheld In the first case the plaintiff appealed from the Federal District Court’s grant of summary judgment in favor of his former employer on his claim of discrimination in violation of Oregon disability law. Mayo v, PCC Structurals, Inc., No. 13-35643 (9th Cir. July 28, 2015) (Mayo). The District Court concluded that because the plaintiff, Timothy Mayo, had threatened to kill his co-workers, including his supervisor, he was not a “qualified individual” under section 659A.112 of the Oregon Revised Statutes, which is Oregon’s counterpart to the Americans with Disabilities Act (ADA). The District Court indicated that in following the decisions of numerous other Circuit Courts, Mayo was no longer a “qualified individual” once he made his “violent threats.” Because Mayo was not a qualified individual in the 4 8 | D E C E MBE R.1 5
eyes of the court, he was not “entitled to protection under the ADA and Oregon’s disability discrimination statute.” In its discussion affirming the lower court decision, the Circuit Court of Appeals found that even if the plaintiff were disabled (which it assumed was true for the appeal), “he cannot show that he was qualified at the time of his discharge. An essential function of almost every job is the ability to appropriately handle stress and interact with others.” For instance, in a frightening recitation of the court record, the plaintiff told a co-worker that he “‘fe[lt] like coming down [to work] with a shotgun an[d] blowing off’ the heads of the supervisor and another manager. The co-worker need not worry, Mayo explained, because she would not be working the shift when the killing would occur.” After these statements were reported to company management, a timely investigation was conducted. Written statements were obtained from co-employees regarding the threats. When the plaintiff was asked by management if he planned to carry out these threats, the plaintiff responded that “he couldn’t
guarantee he wouldn’t do that.” The company management immediately suspended the plaintiff’s employment, barred him from company property and notified the police. After the plaintiff’s suspension and being interviewed by the police, he was voluntarily admitted to the hospital because he was deemed to pose a danger to himself and to others. He remained in custody for six days, and then took a leave under the Oregon Family Leave Act (OFLA) and the Family and Medical Leave Act (FMLA) for two months. Near the end of his leave period, a treating psychologist cleared him to return to work, writing that he was not a “violent person,” but recommended a new supervisor assignment. While the parties dispute the timing, the employer decided to terminate the plaintiff during his medical leave. The company determined that his threats were of such severity that he was unqualified to work with any supervisors or co-employees and that it could not expose its employees to potential workplace injury. In response, the plaintiff brought this case, seeking damages. The District Court granted the employer’s motion for summary judgment, and the Circuit Court of Appeals affirmed.
Employer Response to Threatening Conduct Found Inadequate In the second case, an Occupational Safety and Health Review Commission (OSHRC) Administrative Law Judge, Dennis L. Phillips, issued an opinion that a healthcare provider company did not protect a social service coordinator, who was fatally stabbed outside her client’s home in December 2012. Secretary of Labor v. Integra Health Management, Inc., OSHRC No. 13-1124 (June 22, 2015) (Integra). The employer in this case, Integra Health Management, Inc. (Integra), provided mental and physical health assessments and coordinated healthcare/ case management services for insureds of insurance companies. One of its employees was a 25-year-old newly-hired Service Coordinator (SC) with about three months on the job. The employee had no prior experience in the community health or social worker industries. Her employment office consisted of a virtual office in her home. She also used her computer, a phone and car to travel to client’s homes. In October 2012, the employee planned to drive out into the field to a client’s apartment, to make an unscheduled visit. The client was a diagnosed schizophrenic, who was on the employee’s list of clients, known as “members,” for which she was responsible. The client had a history of violent behavior, and had been convicted of violent crimes and incarcerated for many years. The employee was not advised about the client’s history of mental illness or violent behavior when he was assigned to her. The employee had made several attempts to contact the client by telephone, which were unsuccessful. As planned, the employee visited the client in October 2012 by going to his house unannounced. She introduced herself and the company and arranged a return visit to conduct an initial assessment. The employee reported in her progress note report for that day that during their conversation, the client “said a few things that made [her] uncomfortable, [she] asked [the client] to be respectful or she would not be able to work with him.” She also documented in her progress note report that “[b]ecause of this situation, [she] is not comfortable being inside alone with [the client] and will either sit outside to complete assessment or ask another SC to accompany her.”
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A number of subsequent meetings and conversations occurred between the employee and the client including further notes in the employee’s progress note report regarding her concerns. In December 2012, the employee was fatally stabbed by the client during her visit to his home. Following the incident, the Occupational Safety and Health Administration (OSHA) issued two citations to Integra Health Management, Inc., claiming a violation of
the General Duty Clause, section 5(a)(1), of the OSH Act and a violation of OSHA’s injury reporting standard. Specifically, the General Duty Clause citation alleged that the employer did not furnish employment and a place of employment which were free from recognized hazards that were causing or likely to cause death or serious physical harm to employees, in that employees were exposed to the hazard of being physically assaulted by clients with a history of violent behavior.
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The Business of Business The judge determined that the employer’s workplace violence policy was inadequate, that the employee training was insufficient, that the employer failed to provide the employee with information about the medical background of the client, as well as the criminal history. More importantly, the judge determined that the employer did not monitor the employee’s progress notes which identified her concerns about the client and did not take affirmative action to assist her when she indicated her continuing anxiety about their interactions. WHAT ARE THE LEGAL RAMIFICATIONS THAT EMPLOYERS SHOULD CONSIDER? In Mayo the employer took steps to protect its employees from threatened harm by conducting a timely investigation, suspending and eventually terminating the aggressive and threatening employee. The company’s actions forced it to respond to discrimination claims under the ADA that initially were filed in state court, and removed to federal court. While the employer prevailed in the District Court and Circuit Court, the company undoubtedly spent considerable sums defending the suits. While this litigation was very time consuming and expensive, the employer avoided a tragic outcome. Unfortunately in Integra, the employer did not respond to or take any actions to address any sense of fear or anxiety mentioned in the employee’s client visit notes. A serious OSHA violation occurs when there is substantial probability that death or serious physical harm could result from a hazard about which the employer knew or should have known. The Judge found that the healthcare company’s approach to safety was inadequate, and that the company should have taken precautions to prevent injury by developing a meaningful written policy, hiring and training its employees appropriately and responding to complaints in a timely manner. While the company only faced an OSHA fine of $7,000 in proposed penalties for the General Duty Clause violation, it sustained the tragic loss of an employee, as well as a worker’s compensation death suit. RECENT OSHA GUIDANCE The Mayo decision may give some sense of security to those employers that make hard choices for what it believes are the right reasons, that is, for employee safety. But choices are not always easy, and the resulting actions can be costly.
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continued
The Integra decision is timely in view of another recent OSHA action relating to the healthcare industry. Recently OSHA released an “Inspection Guidance for Inpatient Healthcare Settings,” that will focus its inspectors attention to workplace violence, musculoskeletal disorders, bloodborne pathogens, tuberculosis, and slips, trips and falls. The Guidance focuses on hazards that were included in OSHA’s recently-concluded National Emphasis Program on Nursing and Residential Care Facilities, CPL 03-00-016. Particularly, the Guidance indicates that workplace violence is defined as violent acts (including physical assaults and threats of assaults) directed toward persons at work or on duty. OSHA notes that workplace violence is a recognized hazard in hospitals, and in nursing and residential care facilities. According to OSHA, in the healthcare and social assistance sector, 13 percent of the injuries and illnesses were the result of violence. “Fifteen percent of the days-awayfrom-work cases for nursing assistants were the result of violence.” Accordingly, workplace violence will be evaluated in every inpatient healthcare OSHA inspection. While the inspection Guidance is for “inpatient” healthcare settings, employers in other industries can be certain that they will also be inspected by the same OSHA inspectors as healthcare workplace violence incidents occur, regardless of the setting, including non-healthcare workplaces as well. The Guidance was effective immediately. The Guidance noted that “because these hazards are nationwide, State Plans are expected to follow the guidance.” Healthcare employers should take heed of this healthcare industry OSHA decision and the related Guidance. Special attention should be taken to update your policies, procedures and training systems to include these topics in order to be inspection ready. RECOMMENDATIONS Against this potential liability scenario, an employer must develop an effective written workplace violence policy which must be communicated to all employees if it hopes to have any defense against these potential claims and to prevent a tragic incident. At a minimum, the written workplace violence prevention policy should include the following elements: Stated management commitment to protecting employees against the hazards of workplace violence, including both physical acts and verbal threats;
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Statement that the employer has a “zero tolerance” policy toward threats or acts of violence and will take appropriate disciplinary action against employees who engage in such conduct; Identify means and methods for employees to notify the employer of perceived threats of violent acts in a confidential manner; Establish a means to promptly investigate all such threats or violent acts; Develop consistent, firm discipline for violations of the policy; Provide training for managers and employees to identify signs and symptoms of employee behavior which may predict potential violence (erratic behavior; employee comments regarding homicide or suicide; provocative communications; disobedience of policies and procedures; presence of alcohol, drugs or weapons on the worksite; physical evidence of employee abuse of alcohol or drug use) which should be reported immediately to the employer; Establish a team of qualified individuals (e.g., human resources; risk managers; legal; medical; security) either within the company or readily available third parties, to respond to a potential or actual incident; and Consider establishing an Employee Assistance Plan (EAP) to provide assistance to employees who may be experiencing mental or emotional stress before an act of violence occurs.
Mark A. Lies II is an attorneys in the Environmental, Safety and Toxic Tort Group in the Chicago office of Seyfarth Shaw LLP. Lies is a partner who focuses his practice in the areas of products liability, occupational safety and health, workplace violence, construction litigation and related employment litigation. He can be contacted at mlies@seyfarth.com or 312-460-5877.
Craig B. Simonsen is a litigation paralegal in the Environmental, Safety and Toxic Tort Group in the Chicago office of Seyfarth Shaw LLP. He specializes in occupational safety and health, environmental law and employment law and civil litigation. Simonsen can be contacted at csimonsen@ seyfarth.com or 312-460-5223.
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Industry Bits
New Electric Core Drill Motor from CS Unitec
ICS Launches Updated Gas-Powered Concrete Chain Saws ICS announces two new gasoline-powered concrete chainsaws, the 695XL and 680ES. The 695XL builds on the 695-series with better fuel efficiency and a longer lasting engine. The 680ES features new controls including a multifunction lever that improves starting performance. “Our professional users need the 695XL horsepower in concrete with rebar, and our new improvements extend the life of the tool in the demanding construction environment,” said Larry Corbin, director of marketing. “The new 680ES offers exceptional value for rental businesses and general contractors exploring their concrete cutting needs. The new multifunction lever makes it a cinch to start.” For More Information Contact: Jessica Gowdy Tel: 503-653-4687 Email: jessica.gowdy@blount.com
Concut, Inc. Introduces New Line of Early Entry Blades Concut is pleased to introduce its new line of early entry green concrete blades. With the familiar triangular arbor and heavy duty skid plate, the new Concut blades meet the industry’s need for an alternative line of early entry products. The blades have been competitively priced and are designed for cutting concrete during the first two hours after finishing and before the final set. Early entry joint cutting prevents the development of random, uncontrolled cracking brought on by environmental factors and concrete shrinkage. The Concut line includes five blade options, ensuring an optimal match with aggregate conditions and sand abrasiveness. Blades are available from 5 to 14 inches in diameter. No adaptors are required. The Concut skid plates are well-constructed and designed to withstand heavy use. For More Information Contact: Jim Mayer Tel: 800-243-5888 Email: jmayer@concutusa.com
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The PLD 450 B core drill motor from CS Unitec is designed for wet drilling up to 18-inch-diameter holes in concrete, reinforced concrete, asphalt and natural stone. Weighing 28 pounds, the PLD 450 B has a 30-Amp high-torque motor and a threespeed gearbox with drilling speeds of 190, 400 or 840 RPM. An internal oil pump lubricates the gearbox and shaft for longer life. The motor features soft start, overload protection and has a mechanical slip clutch to protect it in case of jamming. A universal tool holder/slide mount connects the motor to a core drill stand. Optional core drill bits and stands are available. For More Information Tel: 800-700-5919 Email: info@csunitec.com www.csunitec.com
DITEQ Appoints New District Manager DITEQ is happy to announce that Chuck Jording has joined the company as district manager. He will be covering North and South Carolina, southern Virginia and eastern Tennessee. Jording has completed the CSDA Certified Operator program and has been a concrete cutter for most of his life. He was responsible for sharing his expertise in the training of new and existing employees in both equipment usage and safety policies. For More Information Contact: Chuck Jording Tel: 919-218-6109 Email: cjording@diteq.com
New TCSS Core Bits from K2 Diamond K2 Diamond is proud to introduce a new line of tungsten carbide core bits, designed to cut stainless steel. K2’s new TCSS tungsten carbide core bits are the company’s latest addition to its carbide line of products for drilling steel, cast iron, wood and plastic. Each TCSS core bit is designed with a slightly larger outside diameter than a normal diamond bit to allow room for a diamond bit to pass through a hole drilled with this product without reaming the stainless steel with the diamond bit. If an application calls for TCSS bits to have the same or a smaller outside diameter than the diamond bit, K2 can fulfil these requests. Like all the company’s other tungsten carbide products, TCSS bits are offered in a variety of sizes to accommodate all requirements. They are engineered, designed and built at the K2 plant in Torrance, California and are available for immediate delivery per contractor requirements. For More Information Contact: Mike Nelson Tel: 800-539-6116 Email: mike.nelson@k2diamond.com
Chuck Jording
Hilti Introduces X-Change Core Bits Hilti X-Change module (X-CM) core bits are the first in the market that can be re-tipped on the jobsite in minutes using only a screwdriver. Simply replace a worn X-CM module with a new module instead of replacing the entire core bit. Hilti X-CM core bits offer contractors additional productivity by enabling fast and easy core removal and fast bit removal in the event a bit becomes stuck in the concrete. Contractors will find having one barrel and three X-CM modules is comparable to three complete bits. The cost of replacing a module is less expensive than buying an entire new bit, therefore it is a more cost effective investment. Modules are easy to store and transport than complete bits. The LCS X-CM module provides best in class speed while wet coring and users can switch to dry hand held coring in un-reinforced masonry by changing to the LM module. The LCL X-CM module offers best in class life in wet coring. Available in diameters from 2 to 8 inches, the Hilti X-CM module retips, renews and restores core bit life. For More Information Tel: 800-879-8000 (U.S.), 800-363-4458 (Canada) Web: www.us.hilti.com (U.S.), www.hilti.ca (Canada)
The Hole Solution from Accu-Cut Accu-Cut Concrete Services, Inc. is pleased to introduce the Hole Solution, a reusable core hole cover with a water-tight seal that installs in seconds with no tools. Made in the U.S.A., the device simply pushes into the core drilled hole and provides a highly visible, nearly flush, secure, water-tight and OSHA compliant covered hole that is clearly marked with “Caution Hole.” The Hole Solution is available in 2-inch through 9-inch-diameter sizes with 0.5-inch increments. The device eliminates potential trip hazards and expenses associated with making and installing covers made from plywood or other materials. It can be easily removed with a screw driver or pocket knife and reused many times. Replacement gaskets are also available. For More Information Contact: John Robinson III Tel: 727-787-4843 Email: john@accucutconcrete.com
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EDCO Introduces 14-Inch Compact Saw EDCO, Inc. has released the KL-14 compact saw with a 3-foot by 1.5-foot footprint. The features of this new saw include a heavy-duty box frame construction from laser fabricated steel and a precision machined arbor assembly. The KL-14 has a hand wheel for depth control and a custom designed collapsible handlebar allows the saw to fit under shelving for storage. The compact saw has a misting system for wet cutting and a heavy steel blade guard for safety. The KL-14 has a 14-inch-diameter blade capacity and is suitable for short-run cutting applications like creating contraction joints, asphalt patch repair and trenching. For More Information Contact: Jason Stanczyk Tel: 800-638-3326 Email: jstanczyk@edcoinc.com
CSDA 2016 Annual Meeting Notice The annual meeting of the members of the Concrete Sawing & Drilling Association will take place at 10:15 AM on Saturday, March 12, 2016 at the JW Marriott Desert Springs Resort & Spa in Palm Desert, California, for the purpose of receiving reports, transacting business and electing officers and directors. For More Information Tel: 727-577-5004 Email info@csda.org
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Industry Bits
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LATICRETE Appoints New Vice-President of Research & Development
ICS Introduces CW630 High Frequency Chain Saw ICS is pleased to announce the release of the Pentruder CW630 high frequency chain saw. Built to complement Pentruder wall saws, the CW630 is the most powerful electric chainsaw on the market today with 8.8 horsepower thanks to the digital 400-volt Pentpak 427 power pack. Compatible with all ICS ProForce® diamond chains, PowerGrit® utility chain and guidebars used with the hydraulic ICS 890F4 chainsaw, the CW630 is suitable for indoor and obstructed spaces. For More Information Contact: Jessica Gowdy Tel: 503-653-4687 Email: jessica.gowdy@blount.com
LATICRETE, a family owned, global leader in the manufacturing of premium installation and finishing systems for the building industry, has named Eerik Maandi, Ph.D., Vice-President of Research & Development in North America. Before joining LATICRETE, Maandi held several positions at Henkel Corporation, most recently serving as the company’s director of innovation and technology. Before his tenure with Henkel, he held the position of senior development chemist at the Loctite Corporation. Maandi received his doctorate degree in polymer science from the University of Connecticut, his master’s degree in organic chemistry Eerik Maandi from Saint Joseph’s College and his undergraduate degree in chemistry from George Mason University. He has 11 patents and is enrolled in the Innovation and Entrepreneurship program at Stanford University. For More Information Contact: John Lacey Tel: 315-413-4294 Email: jlacey@mower.com
Paul Konkler, 1964-2015 Industry professional Paul Robert Konkler, 50, died August 29 at his residence in Brule, Wisconsin, surrounded by his family after a courageous battle with cancer. He was born September 20, 1964 in Robinsdale, Minnesota, the son of Robert and Bridget Konkler. In 1989, Paul married Judith Fudally in Blaine, Minnesota, and had celebrated 25 years of marriage with four children. Paul spent the majority of his 30-year career in the concrete cutting industry as the owner of CSDA member Concrete Sawing Services Co. in Superior, Wisconsin. He was a proud owner, estimator and laborer who developed many long-lasting relationships within the membership and attended several association events. Paul loved woodworking, fishing, golfing, camping and hunting. He was also a loyal Minnesota Vikings, Gophers and Wild fan. Paul was a huge family man, a husband, father, brother and friend. He was preceded in death by his fathers, Robert Konkler and Gene Foster. Paul is survived by his wife, Judith; one son, Paul Konkler Paul Konkler; three daughters, Jena Konkler, Jami Konkler and Jese Konkler; his mother, Bridget Foster; one brother, Matthew (Gina) Konkler; two sisters, Kori (Brad) Meewes and Kris Savoie. To send a condolence or sign the online guest book, visit www.lenrootmaetzold.com. Memorials may be sent to the Erick Peter Person Children’s Cancer Center, Essentia Health, Duluth.
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Dixie Diamond Introduces the Bullet Bit Dixie Diamond Manufacturing is pleased to introduce the Bullet Bit for core drilling professionals. This new line of core bits has been designed for the most demanding wet or dry concrete core drilling jobs. As the name suggests, time has been taken to engineer Bullet Bits to cut faster than conventional bits. The bit design is suitable for core drilling reinforced concrete, granite, tile, PVC, glass, brick and block and is available in sizes from 0.625 to 8 inches in diameter. For More Information Contact: Sid Kilgore Tel: 770-921-2464 Email: skilgore@dixiediamond.com
The Industry Standard for GPR Concrete Inspection
Barcelona
, Spain
A Yakima, W
USA
Metz, France
Yeongju City, Ko
rea
Sedona, CA USA
World of Concrete 2016
Booth C4156 W WW. C O N C RE TE OPE N IN GS.COM www.geophysical.com sales@geophysical.com
Scan It. Cut It. Core It. C O N C RET E O P EN I N G S | 5 7
Industry Bits
Jason Lininger
continued
Zuke Gill
Shawn McNeil
Husqvarna Updates Sales and Product Management Teams Husqvarna Construction Products is pleased to announce changes to the company’s sales and product management teams. Jason Lininger is now the district manager for heavy user sales serving Arizona, New Mexico and Las Vegas. Lininger joined Husqvarna in 2008 as district manager for surface preparation sales serving the western part of the U.S. His experience with Husqvarna and the construction industry will serve him well in his new role with the heavy user team. Zuke Gill is now the Soff-Cut specialist for the Southwest. Gill worked for his family’s concrete construction company for over 20 years and this gave him great insight into all aspects of the construction market. He has also worked as an outside salesman for Hartmann Building Specialties. Shawn McNeil has been appointed industrial market manager for specialty industries with a focus on demolition robot applications. McNeil has been with the company for 19 years in the technical service department and most recently as the technical services manager for Canada. He has extensive knowledge of the company’s range of demolition robots. For More Information Contact: Cate Stratemeier Tel: 913-928-1442 Email: cate.stratemeier@husqvarnagroup.com www.husqvarnacp.com
New Blade Lineup from Traxx Traxx Construction Products is pleased to announce the release of the company’s new generation of diamond blades, the RAT 1000 series. Random Array Technology is the latest in diamond placement methodology that overcomes the “tracking” associated with conventional methodologies. The range includes blades for high speed hand held tools, floor saws, ring saws and precut blades. Floor saw blades come in 350-millimeter to 1600-millimeter (14-inch to 63-inch) diameters, with segment thicknesses of 3.2 (0.13), 3.8 (0.15), 4.5 (0.18) and 5.5 millimeters (0.22 inch). Hand saw blades are 410- (16), 450- (18) and 500-millimeter (20-inch) diameter blades with segment thicknesses of 2.8 (0.11) or 3.2 millimeters (0.13). Ring saw blades are 350- (14), 410- (16), 450- (18) and 500-millimeter (20-inch) diameters with 3.2-millimeter (0.13-inch) segment widths. For More Information Email: info@traxxcp.com.au www.traxxcp.com.au
EDCO Introduces Magna-Trap EDCO, Inc. is pleased to introduce Magna-Trap Systems, a new range of concrete grinding surface preparation equipment and tooling specifically designed for the rental industry. With both rental and retail opportunities, EDCO’s Magna-Trap Systems are suitable for virtually every concrete grinder surface preparation application. The new range has the same surface preparation tooling across EDCO floor grinders and Turbo Grinder product lines with a 90% improvement in tooling changeover times compared to existing tooling systems. This presents users with an opportunity to increase return on investment by up to six-times over existing tooling systems and grinding machines. The combined capabilities of the four core Magna-Trap tools, (Dyma-Dots, DymaSegs, Dyma-PCD with Backing Segment and Strip-Serts) are designed to solve most surface preparation applications. These options are available in new Magna-Trap rental packages. For More Information Contact: Jason Stanczyk Tel: 800-638-3326 Email: jstanczyk@edcoinc.com
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Celebrating over 50 years of service, we are your Dedicated Industry Professionals.
LMX200 Utility Locator Introduced by Sensors & Software Sensors & Software is pleased to introduce the LMX200, the company’s latest utility locating product. The LMX200 features Sensors & Software’s dynamic target enhancement technology, DynaT. This product optimizes views of small, medium and large targets—like having three ground penetrating radar tools in one. It features real-time 3D depth slicing, embedded Wi-Fi to instantly email an image or report to your office or customer, integrated GPS and a high resolution touch screen display allows quick identification of targets as they are located. Data can be exported for additional post-processing requirements. For More Information Contact: Claudia Moreno Tel: 800-267-6013 Email: cmoreno@sensoft.ca www.gprlocates.com
National “A” Rated Insurance Program Apollo General Insurance Agency, Inc. (Apollo) has an insurance program specifically designed for Concrete Sawing, Drilling and Polishing Contractors. Apollo’s program is underwritten in-house offering General Liability & Auto with other markets available for Excess Liability, Contractors Pollution, Property, Equipment, Bonds and more. We can work directly with you or, in most cases, with your current insurance agent. Coverage is written through an A Rated Carrier on an occurrence policy and available in most states.
1-800-624-5829
www.apgen.com
Maribel Hernandez, Underwriter
Ext. 13
maribel@apgen.com
Bob Elster, President
Ext. 17
bobe@apgen.com
Nikki Carpenter, Broker Relations
707-721-9545
nikkic@apgen.com
Proud Partners of
Makita Releases XCS01 Cordless Rebar Cutter Makita U.S.A. is pleased to announce the release of the company’s 18-volt LXT lithium-ion cordless rebar cutter. The XCS01 is a cordless solution for spark-free cutting of rebar and steel rod. It will cut up to 60 Grade 0.75-inch #6 Rebar, with a four-way rotatable cutting blade that provides up to 4,000 cuts before needing to be replaced. It is compatible with Makita 18-volt lithium-ion batteries, including 3, 4 and 5 ampere-hour, which have the fastest charge times in their categories. The XCS01 is part of Makita’s expanding 18-volt series, one of the world’s largest cordless tool line-ups powered by 18-volt slide-style batteries. For More Information Contact: Wayne Hart Tel: 714-522-8088, x4410 Email: whart@makitausa.com
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Industry Bits
continued
Traxx Introduces Monkey Fist Concrete Leverage Anchor Traxx Construction Products introduces the Monkey Fist, a new patented device for removing pre-sawn concrete slabs without using a breaker. Designed to quickly remove sections of concrete bridge decks, repair road beds or renovate floor space in buildings. The Monkey Fist is made of heattreated steel and works similar to a wedge anchor, but is reusable. Simply core drill a 2-inch-diameter hole in or near the center of the piece to be removed (for balance), insert the Monkey Fist and lift the slab out. To recover the Monkey Fist, lift the release handle, remove and reuse. Overall diameter is 52 millimeters (2 inches) and height is 205 millimeters (8 inches). The Monkey Fist weighs 10 pounds. For More Information Email: info@traxxcp.com.au www.traxxcp.com.au
Vacuum Brazed Diamond Wheel from DITEQ DITEQ introduces its new vacuum brazed diamond bead wheel that has been designed for grinding and removing thicker coatings like epoxy coating, glue and paint. The wheel combines fast removal speeds with longer working life while leaving a smooth surface. The vacuum brazed diamond bead wheel is available in 4-, 5- and 7-inch-diameter sizes and is suitable for use on both hand held grinders and floor grinding machines such as the company’s TG-18 floor grinder. The wheel can be used wet or dry. For More Information Contact: Mike Orzechowski Tel:816-246-5515 Email: mikeo@diteq.com
CSDA at 2015 Reno Air Races CSDA Executive Director Patrick O’Brien congratulated Andrew Findlay, pilot of the One Moment racing plane, sponsored by CSDA member STIHL, Inc., during the 52nd Annual National Championship Air Races in Reno, Nevada. Findlay achieved a 3rd place finish in the Sport Gold race, which involved six laps covering 48 miles. He completed the course in 8 minutes, 4 seconds with a top speed of 357 miles per hour. For More Information www.airrace.org
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New Range of Diamond Blades from Hilti Hilti is pleased to introduce its innovative diamond cutting discs in three new performance levels—Equidist SPX, SP and P. All three blades are designed for cutting, resizing and reshaping in a wide range of construction materials, including hard and reinforced concrete, concrete, masonry and natural stone. The Equidist SPX, SP and P blades are designed for use with all Hilti hand-held diamond cutting tools, including angle grinders and circular saws. For More Information Tel: 800-879-8000 (U.S.), 800-363-4458 (Canada) Web: www.us.hilti.com (U.S.), www.hilti.ca (Canada)
Hilti Releases New TE 800-AVR Breaker The new Hilti TE 800-AVR breaker features Hi Drive technology to deliver 15 foot-pounds of impact energy. The breaker’s D-handle design offers versatility for horizontal and vertical breaking for demolition work on walls, correction work on floor slabs and breaking out opening for doors and windows. The TE 800-AVR is equipped with Hilti’s triple chamber sealing and an active cooling system with an intelligent air flow design. The triple chamber design isolates the hammering mechanism, the piston area and chuck helping prevent dust and other harmful external elements from entering the gearing decreasing repair frequency and extending the tool life. The active cooling system provides an active air flow over electronics, motor, gear and hammering mechanism towards the tool chuck, resulting in lower operating temperatures. The TE 800-AVR also features low vibration via an Active Vibration Reduction (AVR) sub-chassis system, which cuts vibrations up to twothirds when compared to conventional tools. For More Information Tel: 800-879-8000 (U.S.), 800-363-4458 (Canada) Web: www.us.hilti.com (U.S.), www.hilti.ca (Canada)
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Industry Bits
continued
Cobra Celebrates 15 Years, Launches New Website CSDA contractor member Cobra Concrete Cutting Services, Co. of Arlington Heights, Illinois, is proud to have reached 15 years in the concrete sawing and drilling industry. In addition, the company is pleased to announce the launch of an all-new www.cobraconcrete. com. The website is user and mobile friendly and has a fresh, bold new look. Content has been organized into the three subdivisions of Concrete Sawing and Drilling, Breaking-Excavation-Patching and Ground Penetrating Radar. The goal of this new website is to provide customers with a useful resource that encourages them to engage with the company and ask questions so that the contractor can better serve their needs.
LATICRETE-Sponsored Joey Ternullo Wins Race LATICRETE, a global manufacturer and leader of premium installation and finishing systems for the building industry, is proud to announce that Joey Ternullo won the Legend Car race at Waterford Speedbowl, Connecticut in June. LATICRETE has sponsored Joey in his Legend Car for the past few years. A Legend Car is a five-eighths scale replica of pre-World War II coupe car and can reach 80 miles per hour. Joey is the son of Middletown Ceramic Tile Company’s Joe Ternullo. The company has been using LATICRETE materials and methods for over 50 years. For More Information Contact: John Lacey Tel: 315-413-4294 Email: jlacey@mower.com
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For More Information Contact: Dan Foley Tel: 773-775-1111 Email: danfoley@cobraconcrete.com
Greg and Garrett Wolters
Dixie Diamond Partners with Mangrove Equity Dixie Diamond Manufacturing is pleased to announce a partnership with Mangrove Equity Partners, a private equity firm from Tampa, Florida. Mangrove partners with business owners to help them grow their companies and take them to the next level. Brothers Greg and Garrett Wolters, who have successfully grown the company their grandfather founded over 40 years ago, have partnered with Mangrove to help them realize their vision for Dixie Diamond—be the leading provider of high quality American-made diamond blades and core bits for the professional and distribution markets. Garrett and Greg will continue to lead the company day to day, offering superior product, industry and application knowledge and customer service. Mangrove’s experience focuses on providing business processes and systems, lean manufacturing and organizational development. The company will work with Dixie Diamond to create a scalable, growth-oriented business while staying true to the company’s roots and family culture. For More Information Contact: Sid Kilgore Tel: 770-921-2464 Email: skilgore@dixiediamond.com
Pacific STIHL Moves to New Location Pacific STIHL, a division of STIHL Inc., recently hosted a building dedication and ribbon cutting ceremony to commemorate the move to a new company-owned facility. This new facility covers approximately 140,000 square feet on eight acres, more than doubles its dock doors from eight to 18, and enables the company to continue same day fulfillment of dealer orders. This is the second expansion at Pacific STIHL in five years. The construction of office space and installation of racking and conveyors took approximately six months. The location also features expanded training facilities for sales and service training of STIHL dealers from the Pacific STIHL territory, including new dealer orientation, introductory service technician training and Silver Level STIHL MasterWrench Service® Training. Larry Blamer, branch manager, is pictured cutting the ribbon with one of the company’s chainsaws. For More Information Tel: 800-467-8445 www.stihlusa.com W WW. C O N C RE TE OPE N IN GS.COM
C O N C RET E O P EN I N G S | 6 3
Certification OPERATOR CERTIFICATION CSDA’s Operator Certification is a comprehensive six-day program that combines detailed classroom instruction with on-slab demonstration and evaluation of advanced concrete cutting techniques. Safety, proper equipment use and efficiency are emphasized. CSDA certified operators are recognized industry-wide for their proficiency in the full range of sawing and drilling applications.
MINIMUM REQUIREMENTS • Successful completion of CSDA Cutting Edge, Slab Sawing & Drilling 101, Wall Sawing 101 or Wire Sawing 101 • Three years field experience (4,500 hours) • Successful completion of 10-hour OSHA Construction Safety course • No more than one lost-time injury within the last three years • Unrestricted driver’s license • Negative drug test within 30 days of taking the course
ABC CUTTING CONTRACTORS BIRMINGHAM
CORE SOLUTIONS LTD.
HOLES OF SAN ANTONIO, INC.
Bessemer, Alabama
Maraval, Trinidad & Tobago
San Antonio, Texas
ABC CUTTING CONTRACTORS MOBILE
CORING & CUTTING OF SPRINGFIELD, INC.
HOUSLEY DEMOLITION CO., INC.
Daphine, Alabama
Nixa, Missouri
Visalia, California
ACE CONCRETE CUTTING
CORING & CUTTING SERVICES, INC.
INTERNATIONAL DRILLING & SAWING, INC.
Cumberland, Rhode Island
Bentonville, Arkansas
Montgomery, Alabama
ACCU-CUT CONCRETE SERVICES
CORING & CUTTING SERVICES, INC.
J-RAY CONTRACTORS, LLC
Palm Harbor, Florida
Jacksonville, Arkansas
Marrero, Louisiana
AGGREGATE TECHNOLOGIES
CR MEYER
JACK DOHERTY CONTRACTING
Houston, Texas
Oshkosh, Wisconsin
Woburn, Massachussetts
AMERICAN EAGLE CONCRETE SERVICES
CUT-RITE CONCRETE CUTTING CORP.
K.C. CORING & CUTTING CONSTRUCTION, INC.
Orlando, Florida
Pawtucket, Rhode Island
Kansas City, Missouri
ANDERS CONSTRUCTION, INC.
CUTTING EDGE SERVICES CORP.
L&S FORMLESS CURB COMPANY
Harvey, Louisiana
Batavia, Ohio
Hanover, Pennsylvania
ATLANTIC CONCRETE CUTTING, INC.
D.M. CONLON/DAN-KEL CONCRETE CORING, SAWING & SCANNING
LIUNA LOCAL 506 TRAINING CENTRE
Mt. Holly, New Jersey
AUSTIN ENTERPRISE Bakersfield, California
B.T. RENTALS LIMITED Woodbrook, Trinidad & Tobago
CENTRAL CONCRETE CUTTING, INC. Edgar, Wisconsin
CHICAGO CUT CONCRETE CUTTING Chicago, Illinois
COBRA CONCRETE CUTTING SERVICES CO. Arlington Heights, Illinois
CONCRETE CUTTING & BREAKING CO. Jacksonville, Florida
CONCRETE CUTTING SPECIALISTS, INC. Freeland, Michigan
CONCRETE PENETRATING CO. Dallas, Texas
CONCRETE RENOVATION, INC. San Antonio, Texas
CONSTRUCTION DEBRIS REMOVAL, INC. St. Augustine, Florida
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Myrtle Beach, South Carolina
DARI CONCRETE SAWING AND DRILLING Raleigh, North Carolina
DEANDREA CORING & SAWING, INC. Henderson, Colorado
DELTA CONTRACTORS & ASSOCIATES, LLC Baltimore, Maryland
DIXIE CONCRETE CUTTING CO. College Park, Georgia
EAST COAST CONCRETE SPECIALITIES, INC. Jessup, Maryland
ELMER’S CRANE & DOZER, INC. Traverse City, Michigan
HAFNER & SON, INC. Danielsville, Pennsylvania
HARD ROCK CONCRETE CUTTERS, INC. Wheeling, Illinois
HARD ROCK SAWING & DRILLING SPECIALIST CO. Keshena, Wisconsin
HOLES INCORPORATED Houston, Texas
Richmond Hill, Ontario, Canada
LOMBARDO DIAMOND CORE DRILLING CO. Santa Clara, California
M6 CONCRETE CUTTING & CORING Wichita, Kansas
PENHALL COMPANY/CONCRETE CORING COMPANY OF HAWAII Aiea, Hawaii
QUICK CUTS CONCRETE CUTTING SERVICES, LLC Belvidere, Illinois
ROUGHNECK CONCRETE DRILLING & SAWING Morton Grove, Illinois
SUPER CITY CONCRETE CUTTING Ocean Grove, Victoria, Australia
TRUE LINE CORING & CUTTING OF CHATTANOOGA, LLC Chattanooga, Tennessee
TRUE LINE CORING & CUTTING OF KNOXVILLE, LLC Knoxville, Tennessee
TRUE LINE CORING & CUTTING OF NASHVILLE, LLC Nashville, Tennessee
WOLF INDUSTRIAL SERVICES San Francisco, California
COMPANY CERTIFICATION The CSDA Company Certification Program is the first of its kind in the industry. This program has been created for cutting contractors to provide owners, architects, engineers, general contractors and government officials with a valuable pre-qualification tool that acknowledges sound business practices. It is available to all sawing and drilling contractors.
A COMPANY MUST MEET THE FOLLOWING CRITERIA TO ACHIEVE CERTIFICATION: • Meet the basic safety, and insurance requirements of the industry • Undertake sound operational and financial best practices • Provide evidence it has took part in basic training or certification programs to better its employees and the company as a whole • Successfully pass a written application review
ATLANTIC CONCRETE CUTTING, INC.
DI-TECH INTERNATIONAL, INC.
Mount Holly, New Jersey
Winnipeg, Manitoba, Canada
AUSTIN ENTERPRISE
GREENE’S, INC.
Bakersfield, California
Woods Cross, Utah
CENTRAL CONCRETE CUTTING, INC.
HARD ROCK CONCRETE CUTTERS, INC.
Edgar, Wisconsin
Wheeling, Illinois
COBRA CONCRETE CUTTING SERVICES CO. HOLES INCORPORATED Arlington Heights, Illinois
Houston, Texas
CONCRETE RENOVATION, INC.
ONLINE CONCRETE CUTTING SERVICES PTY. LTD
San Antonio, Texas
CUTTING EDGE SERVICES CORP. Batavia, Ohio
DEANDREA CORING & SAWING, INC.
Seven Hills, New South Wales, Australia
WESTCOAST CUTTING & CORING, LTD. Coquitlam, British Columbia, Canada
Henderson, Colorado
ST-115 CERTIFICATION This certification is the first of its kind for measuring concrete surfaces and their surface texture value. The approach is to measure and analyze the surface texture in order to understand how the texture is influenced by the finishing process, and how the surface texture influences its behavior with regards to gloss, friction and sustainability. The certification is based on Standard CSDA-ST-115.
A CERTIFIED OPERATOR: • Has been provided instruction on how to correctly measure concrete micro surface texture • Has knowledge of proper tool selection to mitigate damage • Passed a written test • Was issued a certificate upon completion of the class For more information about this Standard, certification or a list of current ST-115 Certified companies, visit www.csda.org/st115.
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Membership
NE
W
ME
North American Contractors
Overseas Contractor
ABW CONCRETE CUTTING COMPANY
ENVIRO CHASING SERVICES
CONCRETE CORING & CUTTING OF LOUISVILLE, INC.
Manufacturer
Fort Oglethorpe, Georgia
Louisville, Kentucky
Perth, Western Australia
WHIRLWIND USA, INC. Northbrook, Illinois
MBE
MAR FISHER, INC. Des Arc, Arkansas
MAVERICK SAW CUTTING & CORE DRILLING Abilene, Texas
R
SELECTIVE SERVICE, LLC Manchester, Connecticut
SOUTHERN DEMOLITION, LLC Austin, Texas
S
MEMBER
BENEFITS SAFETY RESOURCES
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NETWORKING
AND TOOLBOX SAFETY TIPS (TSTS) • 230-page CSDA Safety Manual • Safety Handbook in English/Spanish • Safety Videos for concrete cutters • Over 100 Toolbox Safety Tips (TSTs)
AT THE ANNUAL CONVENTION AND QUARTERLY MEETINGS The number one benefit for members has always been the opportunity to network with cutting professionals at the annual convention and quarterly meetings. This networking provides opportunities to forge new relationships and learn from other experienced professionals.
NEXT GEN
CSDA NEXT GENERATION GROUP The group aims to continue the growth of the association while serving the needs and wants of the younger generation, with the goal of continuing to set a standard of excellence.
TESTIMONIAL Southeast Scanning & Coring was established in March 2014 and I am the managing member and owner of the company. We were awarded a large core drilling job and experienced some challenges, so we began looking for some guidance and resources. As other local companies were competitors, we decided to look around for some defined standards and best practices for core drilling. Our Internet search led us to CSDA, and after learning more about the association we decided to join. After finding value in the online resources CSDA offered, I attended the 2015 Convention & Tech Fair and discovered what is by far the most valuable member benefit—networking. The people I met were very welcoming and their eagerness to offer help and share information was amazing. It has also been extremely helpful to build respect and relationships Veronica Conti with vendors from the Southeast Scanning & Coring Suwanee, Georgia industry, who are willing veronica@southeastscanning.com to go the extra mile for CSDA members. I have since attended the association’s Board and committees meetings and plan to go to more CSDA events in the future through my involvement with the Imaging Committee. Becoming a member of this association has proven to be a very good decision.
24/7
THE CSDA WEBSITE AT WWW.CSDA.ORG CONTAINS A WEALTH OF INFORMATION AVAILABLE 24/7 IN THE “MEMBERS” SECTION. IN ADDITION, CSDA’S FACEBOOK PAGE AND DISCUSSION FORUM GROUP PAGE ALSO PROVIDE MEMBERS WITH A CHANCE TO DISCUSS TECHNICAL ISSUES, SELL EQUIPMENT, HIRE EMPLOYEES OR ANY OTHER RELEVANT TOPICS.
TRAINING OVER 4,000 INDUSTRY PROFESSIONALS HAVE GRADUATED FROM MORE THAN 20 CLASSROOM, HANDS-ON AND ONLINE CSDA TRAINING AND CERTIFICATION PROGRAMS FOCUSED ON CUTTING DISCIPLINES, ESTIMATING, POLISHING AND SAFETY. ONLINE TRAINING AT WWW.CSDATRAINING.COM OFFERS A COST-EFFECTIVE ALTERNATIVE TO THOSE NOT ABLE TO AFFORD THE TIME OR THE MONEY TO SEND OPERATORS TO CLASSES.
DUESSCHEDULE REGISTER ONLINE AT WWW.CSDA.ORG GROSS SALES
NORTH AMERICAN CONTRACTOR
POLISHING CONTRACTOR
GPR IMAGING MANUFACTURER DISTRIBUTOR OVERSEAS CONTRACTOR CONTRACTOR
$0 – 1M
$595
$750
$1,275
$925
$1 – 2M
$965
$1,580
$1,180
$2,335
$1,750
$2 – 3M
$1,475
$750
$400
$3 – 5M
$1,985
$1,250
$3,750
$2,825
$5 – 10M
$2,500
$5,070
$2,825
> $10M
$3,150
$6,295
$2,825
AFFILIATE
$735
For more information about CSDA membership, visit www.csda.org, call 727-577-5004 or email info@csda.org. W WW. C O N C RE TE OPE N IN GS.COM
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Calendar 2016 FEBRUARY 3-4
APRIL 16-17
CSDA Concrete Polishing Class Las Vegas Convention Center Las Vegas, NV Tel: 727-577-5004 www.csda.org
IACDS Annual Meeting Holiday Inn Munich South Munich, Germany Email: info@iacds.org www.iacds.org
MARCH 7-8
JUNE 2-3
New York Build Expo Javits Center New York, NY Email: info@oliverkinross.com www.newyorkbuildexpo.com
CSDA Summer Meetings The Westin Minneapolis Minneapolis, MN Tel: 727-577-5004 Email: info@csda.org www.csda.org
JANUARY 13-15
MARCH 8-9
CSDA Robotic Demolition Training Class St. Petersburg College Clearwater, FL Tel: 727-577-5004 Email: info@csda.org www.csda.org
CSDA Spring Meetings JW Marriott Desert Springs Resort Palm Desert, CA Tel: 727-577-5004 Email: info@csda.org www.csda.org
SEPTEMBER 8-9
MARCH 10-12
SEPTEMBER 15-18
CSDA Convention & Tech Fair JW Marriott Desert Springs Resort Palm Desert, CA Tel: 727-577-5004 Email: info@csda.org www.csda.org
ASCC Annual Conference Doubletree by Hilton Bloomington Minneapolis, MN Tel: 314-962-0210 Email: mforsythe@ascconline.org www.ascconline.org
CSDA Fall Meetings Sheraton Boston Hotel Boston, MA Tel: 727-577-5004 Email: info@csda.org www.csda.org
FEBRUARY 1-2 CSDA Estimating Class Las Vegas Convention Center Las Vegas, NV Tel: 727-577-5004 www.csda.org
FEBRUARY 2 CSDA-ST-115 Certification Class Las Vegas Convention Center Las Vegas, NV Tel: 727-577-5004 www.csda.org
FEBRUARY 2-5 World of Concrete Las Vegas Convention Center Las Vegas, NV Tel: 972-536-6423 www.worldofconcrete.com
FEBRUARY 3 CSDA Board Meeting Las Vegas Convention Center Las Vegas, NV Tel: 727-577-5004 www.csda.org
FEBRUARY 3-4 Diamond Cutting: Sharpen Your Skills Introductory Training Las Vegas Convention Center Las Vegas, NV Tel: 727-577-5004 www.csda.org
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APRIL 11-17 Bauma 2016 Munich Trade Fair Centre Munich, Germany Email: info@bauma.de www.bauma.de
APRIL 14 CSDA-ST-115 Certification Class Ace Cutting Equipment & Supply, Inc. Novi, MI Tel: 727-577-5004 Email: info@csda.org www.csda.org
SEPTEMBER 25-29 Concrete DĂŠcor Show Town & Country Resort and Convention Center San Diego, CA Tel: 877-985-8906 Email: sheri@protradepubinc.com www.concretedecorshow.com
Advertising and Readership Circulation 18,000+ minimum, per issue 11,000+ member and prospective member companies made up of contractors, manufacturers, distributors and affiliates
7,000+ general contractors, engineers, architects and government officials who specify cutting, polishing and imaging
Who Reads the Magazine? Concrete Openings reaches cutting, polishing and imaging contractors as well as specifiers of these services, including engineers, architects, general contractors and governmental agencies. Why waste your message on unnecessary circulation? Advertising in Concrete Openings guarantees a targeted audience of industry professionals.
READERSHIP BY PROFESSION
Target the Specialized Industry of Concrete Cutting, Polishing and Imaging Advertising in Concrete Openings magazine is the only way to reach the specialty market of cutting, polishing and imaging contractors who work with concrete, asphalt or masonry because it is specifically targeted to this segment of the industry.
How Do You Reach 18,000+ Concrete industry Professionals? Each issue of Concrete Openings magazine is sent to more than 11,000 operators, equipment manufacturers and suppliers in the concrete cutting, polishing and imaging industry, and more than 7,000 specifiers of these services around the world.
Not a Subscriber? Get your free subscription today! Visit www.concreteopenings.com and click “subscribe.”
52%
Readership Per Issue A poll of Concrete Openings subscribers revealed that 66% pass on their copy of the magazine to at least one other person, with almost 25% stating that the magazine is passed on to four or more people each issue. This translates to an average of four people reading each issue of the magazine for a total readership per year of approximately 60,000.
8% 40%
• Specifiers • Contractors • Manufacturers, Distributors
CSDA Social Media CSDA’s social media pages are packed with all the latest news, updates, photos and videos from the association and Concrete Openings magazine. Look out for exclusive content and become “friends” with others who are looking to network and promote the sawing and drilling industry. Join our growing fan base and stay in touch with the association through your PC, laptop or mobile device. Find direct links to these pages at www.csda.org.
Concrete Openings Website Concrete Openings has its own website. Advertisers have direct links to their websites placed on our Advertisers page as a complimentary addition to ad placement. A full page-turning copy of the magazine, including ads, is also available for visitors to read on the website. Visitors to the site can now access our advertisers at the touch of a button. The Concrete Openings website also has banner advertising opportunities available throughout the year. Visit www.concreteopenings.com for more information.
W WW. C O N C RE TE OPE N IN GS.COM
C O N C RET E O P EN I N G S | 6 9
Advertisers To receive additional information about products advertised in this issue, contact the vendors below. PAGE
ADVERTISER
PHONE
31
Accu-cut Concrete Services
727-787-4843
john@accucutconcrete.com
59
Apollo General Insurance Agency, Inc.
707-996-2912 x17
bobe@apgen.com
11
Brokk, Inc.
877-276-5548
peter@brokkinc.com
51
Concut, Inc.
253-872-3507
suemayer@concutusa.com
32
CS Unitec, Inc.
203-853-9522
info@csunitec.com
23
Diamond Back Diamond Tools, Inc.
866-600-2557
patrick@dbdiamondtools.com
33, Inside front cover
Diamond Products
800-321-5336
jpalmer@diamondproducts.com
55
Diamond Tools Technology
612-408-9253
mark@diamondtoolstechnology.com
47
Diamond Vantage
866-322-4078
johnconrad@diamondvantage.com
31, 54
DITEQ Corporation
816-246-5515
jmiller@diteq.com
19
Dixie Diamond Manufacturing
678-296-3751
skilgore@dixiediamond.com
23, 63
Expert Equipment Company
713-797-9886
expertequipment@sbcglobal.net
35
GDM Technologies/Terra Diamond
801-990-9034
gdmsaws@yahoo.com
62
GelMaxx
619-701-7246
info@gelmaxx.net
57
Geophysical Survey Systems, Inc. (GSSI)
603-893-1109
harmonj@geophysical.com
43
GPRS, Inc.
419-262-4037
dena.rozzi@gp-radar.com
Inside Back Cover
Hilti North America
918-872-3079
corrie.brock@hilti.com
36, 37, Outside Back Cover
Husqvarna Construction Products
913-928-1442
cate.stratemeier@husqvarna.com
2
ICS, Blount Inc.
800-321-1240
marketing@icsdiamondtools.com
49
K2 Diamond
310-589-6116
mike.nelson@k2diamond.com
5
Makita USA
714-522-8088
whart@makitausa.com
25
Merit Engineering & Equipment Company
928-771-0575
r.ferguson@meritsaws.com
27
Pentruder, distributed by ICS, Blount Inc.
800-321-1240
terry.martin@blount.com
71
Pullman Ermator
855-736-2869
info@ermatorusa.com
61
Reimann & Georger Corporation (RGC)
716-895-1156
peter.kowalczyk@rgcproducts.com
46
Solutions Insurance Trust
312-803-7420
kristen_long@ajg.com
60
Sykes Hollow Innovations, Ltd.
518-392-7273
chris@pirithose.com
13
Western Saw
805-981-0999
kevinb@westernsaw.com
Cutter’s Corner BUSINESS FOR SALE Florida-based full service concrete coatings and surface prep company. Specializing in commercial and industrial flooring applications such as coating removal, concrete polishing and surface prep as well as commercial and industrial coatings such as epoxies and urethanes. The company has four channels of business: floor removal & preparation, resinous floors, polished concrete floors and terrazzo floors. One of the largest companies doing epoxy work in the state. • OSHA Certified • Duraflex Certified Installer • Concrete Polishing Certified • Water Proofing Certified • General Polymer / Sherman Williams Certified Installer • Gross Revenues $2,900,000 +/- 2015 For more information, contact Jim Straza, Business Brokerage Solutions, at 239-4258843 or email jstraza@bbsfla.com.
7 0 | D E C E MBE R.1 5
This classified section is for use by anyone who wants to sell or buy used equipment, post help wanted ads or advertise business opportunities. Anyone interested in placing ads should send copy to Concrete Openings Classifieds, 100 2nd Ave S, Ste 402N St. Petersburg, FL 33701. Copy can also be faxed to 727-577-5012 or emailed to rhitchen@concreteopenings.com. Cost: $100 for 10 lines for members; $200 for non-members. Additional lines $10 each. Copy must be in the CSDA office no later than the first day of the month preceding publication
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ᰠ吀椀洀攀 椀猀 䴀漀渀攀礀ᴠ⸀ 䰀漀渀最ⴀ琀攀爀洀 猀愀瘀椀渀最猀 愀渀搀 愀搀瘀愀渀琀愀最攀猀 昀愀爀 攀砀挀攀攀搀 琀栀攀 甀瀀昀爀漀渀琀 挀漀猀琀 漀昀 瀀爀漀瀀攀爀 攀焀甀椀瀀洀攀渀琀⸀ 吀礀瀀椀挀愀氀 猀栀漀瀀 瘀愀挀甀甀洀猀 愀爀攀 渀漀琀 攀焀甀椀瀀瀀攀搀 琀漀 栀愀渀搀氀攀 愀 瘀愀爀椀攀琀礀 漀昀 洀攀搀椀愀Ⰰ 愀渀搀 搀漀 渀漀琀 瀀爀攀瘀攀渀琀 琀栀攀 搀甀猀琀 昀爀漀洀 攀猀挀愀瀀椀渀最 戀愀挀欀 椀渀琀漀 琀栀攀 愀椀爀⸀ 圀椀琀栀 琀栀攀 爀椀最栀琀 瘀愀挀甀甀洀 漀渀 猀椀琀攀Ⰰ 昀愀猀琀 愀渀搀 攀愀猀礀 挀氀攀愀渀甀瀀 漀昀 琀栀攀 樀漀戀 猀椀琀攀 爀攀ⴀ 搀甀挀攀猀 搀甀挀攀猀 氀愀戀漀爀 挀漀猀琀猀⸀ 吀栀攀 漀氀搀 洀攀琀栀漀搀 漀昀 ᰠ猀栀漀瘀ⴀ 椀渀最 愀 戀爀漀漀洀 愀爀漀甀渀搀ᴠ 椀猀 搀椀猀愀瀀瀀攀愀爀椀渀最 愀猀 挀漀渀ⴀ 琀爀愀挀琀漀爀猀 猀攀攀 琀栀攀 猀瀀攀攀搀 愀渀搀 攀昀昀椀挀椀攀渀挀礀 椀渀 挀氀攀愀渀 甀瀀Ⰰ 渀漀琀 琀漀 洀攀渀琀椀漀渀 琀栀攀 栀攀愀氀琀栀 戀攀渀攀昀椀琀猀 琀漀 琀栀攀椀爀 漀眀渀 攀洀瀀氀漀礀攀攀猀 愀渀搀 漀琀栀攀爀 眀漀爀欀攀爀猀 椀渀 琀栀攀 愀爀攀愀⸀ 儀甀愀氀椀琀礀 瀀爀漀搀甀挀琀猀 愀爀攀 漀甀琀 琀栀攀爀攀 眀椀琀栀 瀀爀漀瀀攀爀 洀甀氀琀椀 猀琀愀最攀 昀椀氀琀爀愀琀椀漀渀 愀渀搀 愀瀀瀀爀漀瘀攀搀 䠀䔀倀䄀 昀椀氀琀攀爀猀⸀ 倀爀攀ⴀ昀椀氀琀攀爀猀 愀渀搀 猀礀渀琀栀攀琀椀挀 栀椀最栀 昀椀氀ⴀ 琀爀愀琀椀漀渀 戀愀最猀 渀漀琀 漀渀氀礀 挀漀氀氀攀挀琀 搀攀戀爀椀猀Ⰰ 戀甀琀 愀氀猀漀 瀀爀漀琀攀挀琀 瘀愀挀甀甀洀 洀漀琀漀爀猀 愀渀搀 攀砀琀攀渀搀 琀栀攀椀爀 氀椀昀攀⸀ 匀瀀攀渀搀椀渀最 愀 氀椀琀琀氀攀 洀漀渀攀礀 甀瀀 昀爀漀渀琀 猀愀瘀攀猀 椀渀 琀栀攀 氀漀渀最 爀甀渀⸀
䌀漀渀琀爀漀氀 漀昀 搀甀猀琀 眀栀攀渀 挀栀愀渀最椀渀最 戀愀最猀 眀椀琀栀 搀爀漀瀀 搀漀眀渀 䰀漀渀最漀瀀愀挀 猀礀猀琀攀洀⸀ 䌀甀戀椀挀 䘀攀攀琀⼀䴀椀渀甀琀攀 ⠀䌀䘀䴀⤀ 愀渀搀 眀愀琀攀爀 氀椀昀琀 琀栀愀琀 愀爀攀 愀瀀瀀爀漀瀀爀椀愀琀攀 昀漀爀 琀栀攀 琀漀漀氀 琀栀攀 瘀愀挀甀甀洀 眀椀氀氀 戀攀 愀琀琀愀挀栀攀搀 琀漀⸀ 䄀挀挀攀猀猀漀爀椀攀猀 琀栀愀琀 挀愀渀 戀攀 椀渀猀琀愀氀氀攀搀 漀渀 琀栀攀 琀漀漀氀 昀漀爀 挀漀氀氀攀挀琀椀漀渀 愀琀 琀栀攀 猀漀甀爀挀攀Ⰰ 愀渀搀 昀氀漀漀爀 琀漀漀氀猀 昀漀爀 挀氀攀愀渀 甀瀀⸀ 䄀甀琀漀洀愀琀椀挀 琀漀漀氀 琀爀椀最最攀爀 䄀甀 昀攀愀琀甀爀攀猀 猀漀 琀栀愀琀 搀甀猀琀 挀漀渀琀爀漀氀 椀猀 愀挀琀椀瘀愀琀攀搀 愀猀 猀漀漀渀 愀猀 琀栀攀 琀漀漀氀 猀琀愀爀琀猀⸀ 圀攀琀 愀渀搀⼀漀爀 搀爀礀 瘀愀挀甀甀洀 挀愀瀀愀戀椀氀椀琀椀攀猀Ⰰ 搀攀瀀攀渀搀椀渀最 漀渀 樀漀戀 猀椀琀攀 挀漀渀搀椀琀椀漀渀猀⸀ 䴀愀渀漀洀攀 䴀愀渀漀洀攀琀攀爀猀Ⰰ 氀漀挀欀椀渀最 眀栀攀攀氀猀Ⰰ 攀愀猀礀 琀爀愀渀猀瀀漀爀琀 栀愀渀搀氀攀猀 愀渀搀 栀漀甀爀 洀攀琀攀爀猀 琀栀愀琀 洀愀欀攀 䔀爀洀愀琀漀爀 琀栀攀 漀渀氀礀 挀栀漀椀挀攀⸀
倀爀漀瀀愀渀攀 瘀愀挀甀甀洀猀 栀愀瘀攀 琀栀攀 瀀漀眀攀爀 琀漀 欀攀攀瀀 甀瀀 眀椀琀栀 猀愀眀猀 昀漀爀 搀攀洀漀氀椀琀椀漀渀⸀
吀栀攀猀攀 昀攀愀琀甀爀攀猀 爀攀猀甀氀琀 椀渀 愀 猀愀昀攀Ⰰ 瀀爀漀搀甀挀琀椀瘀攀 搀甀猀琀 攀砀琀爀愀挀琀椀漀渀 猀礀猀琀攀洀⸀
圀㜀 倀 眀椀琀栀 瀀甀洀瀀ⴀ漀甀琀 昀漀爀 昀愀猀琀 爀攀猀琀漀爀愀琀椀漀渀 挀氀攀愀渀甀瀀⸀
眀眀眀⸀攀爀洀愀琀漀爀甀猀愀⸀挀漀洀 吀漀氀氀 䘀爀攀攀 㠀㔀㔀ⴀ㜀㌀㘀ⴀ㈀㠀㘀㤀 圀爀椀琀琀攀渀 戀礀㨀 䰀礀渀搀漀渀 䬀攀氀猀攀礀 一漀爀琀栀 䄀洀攀爀椀挀愀渀 匀愀氀攀猀 䴀愀渀愀最攀爀
Director’s Dialogue
CSDA at WOC
PATRICK O’BRIEN Executive Director
C
SDA has been a prominent cosponsor of World of Concrete (WOC) since 1977, just two years after the inaugural show. The exhibition has become the rallying point for CSDA and the concrete cutting and renovation industry, with manufacturers using this show to introduce their new tool and machine offerings. This issue of Concrete Openings will be featured at the show in Las Vegas. So whether you are reading this in advance, or are at the show, let me outline the many activities CSDA has planned for this February 1-5, 2016 event. If you are looking to expand your knowledge and education, CSDA has you covered with four WOC training classes. We open the show with the ever-popular Estimating course on February 1-2. Instructors Pat Stepanski and Lee Atkin consistently receive outstanding reviews and the course is always well attended. The most popular course, since its introduction in 2015, has been the ST-115 Certification training and it will be held on February 2, with Chris Swanson instructing. This is a classroom and hands-on course to certify contractors in accordance with Standard CSDA-ST-115 Measuring Concrete Micro Surface Texture, a Standard that has become widely accepted by architects in a very short period of time. February 3-4 will feature two hands-on and classroom courses: Diamond Cutting: Sharpen Your Skills and Concrete Polishing. In 2010, CSDA began offering training at WOC with just one concrete cutting course. However, the popularity of the offering and location has since led to regular expansions and now the association offers four courses in Las Vegas. Registration for all these courses is handled direct through WOC as part of the attendee registration process, and CSDA has created a handy help sheet to guide people through it on www.csda.org/woc. The anchor for all CSDA activities at WOC is our booth in the Central Hall (#C4433). The Concrete Openings Awards ceremony will
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be held at 10:00 AM on February 3. We will showcase the best job stories covered in CSDA’s official magazine and recognize the contractors who did the work. It is always informative to learn how these unique job challenges are conquered and I am sure the champagne toast helps attract a few people as well. The ceremony may also inspire you to submit a job story to Concrete Openings so you can be an award recipient at the 2017 ceremony! Prior to this award ceremony on February 3, join the CSDA President and Board members to review the association’s accomplishments for 2015. This meeting is open to members and non-members alike, and is a perfect opportunity to learn about CSDA. A room number will be placed on the CSDA website or you can call the office to confirm. Later that same day, Next Generation members will meet for a reception at the Renaissance Las Vegas after the show. Just head to the Renaissance lobby at 5:00 PM and signage will indicate the room location. Join the future leaders of CSDA and learn about the future direction of the association. Perhaps you will even decide to become part of this energetic group. So if you are headed to Las Vegas for WOC, be sure to take advantage of the many opportunities sponsored by CSDA. I have been attending WOC every year since 1982 and I know there are many activities to occupy your time. But if you can spare a moment, stop by Booth #C4433 in the Central Hall to say hello or come to one of the CSDA meetings. Register in advance with code A26 and save $65 courtesy of CSDA. If you happen to decide last minute to visit the show you can save even more by registering on your smart phone, tablet or laptop at the show, by using CSDA code A26. Happy Holidays and let’s make 2016 a great New Year!
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