®
equipmentworld.com | June 2016
31 ATTACHMENTS 2016 P.
MACHINE MATTERS:
The right tool at the right time – no excuses...
GPS 101:
Learn the basics on how to use this important technology
NEW
Geared up for any job.
Mack’s mDRIVE® HD heavy-duty automated manual transmission is now available with an extended range of gears—including 12, 13 or 14 speeds, as well as multi-speed reverse gears—allowing you to slow it down for jobs that require extra precision or speed it up to take on your roughest work. Its durable, lightweight design improves productivity while keeping you prepared to do the heavy lifting. No matter what jobs you face, you’ve got the flexibility to dominate them. MackTrucks.com/mDRIVEHD
31
Cover Story
Vol. 28 Number 6 |
table of contents | June 2016
MACHINE MATTERS:
ATTACHMENTS 2016
A collection of tools for multiple jobs, including cleanup, compaction, concrete and asphalt, couplers, demolition, earthmoving, grading, landclearing, landscaping, lifting and more.
Equipment 11
Marketplace
65 Road Science Winning the bonus: Slipform Pavers How to achieve bonus-winning smoothness with slipform concrete pavers.
77 Heavy Trucks What goes into hauling the biggest loads.
Bauma Here’s what caught our eye at the world’s largest construction show in Munich this April.
EquipmentWorld.com | June 2016 3
table of contents | continued
Features 19 AEMP Technicians of the Year
Chris Flood, Glenn O. Hawbaker Michael Naletco, Sarasota County Fleet Services Two heavy equipment fleet technicians – one working in the private sector and the other working in the public sector – are honored for their teamwork, can-do attitudes and good communication skills.
25 GPS/GNSS 101
What does a GPS/GNSS system do? This first report in a four-part series provides an overview of the basic building blocks of a these systems.
of the Year Finalist 83 Contractor Al Gorick, Gorick Construction, Binghamton, New York
New York contractor takes the slogan “whatever it takes” to heart
®
equipmentworld.com facebook.com/EquipmentWorld twitter.com/Equipment_World Editorial Director: Marcia Gruver Doyle Executive Editor: Tom Jackson Senior Editor: Chris Hill Online Editor: Wayne Grayson Data and Managing Editor: Lucas Stewart Contributing Writer: Richard Ries editorial@equipmentworld.com Art Director: Tony Brock Advertising Production Manager: Linda Hapner production@equipmentworld.com
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87 Highway Contractor
The future of work zone safety: Intelligent transportation systems and smarter work zones.
Editorial Awards: Jesse H. Neal Award, Better Roads, 2011 American Business Media
Departments
Robert F. Boger Award for Special Reports, 2006, 2007, 2008 Construction Writers Association
7 On Record
Jesse H. Neal Award, Best Subject-Related Series of Articles, 2006 American Business Media
9 Reporter 3D-printed excavator, Tech Experience: Add this to the list of things you
Editorial Excellence Special Section Gold Award, 2006 Midwest-South Region, American Society of Business Publication Editors
This means “stop”… maybe
must see at ConExpo
75 Quick Data
Editorial Excellence News Analysis Gold Award, 2006 Midwest-South Region, American Society of Business Publication Editors
98 Final Word
Editorial Excellence News Section Silver Award, 2005 Midwest-South Region, American Society of Business Publication Editors
Dozers
A terrific construction talent pool hiding in plain sight
Robert F. Boger Award for Feature Articles, 2005 Construction Writers Association For subscription information/inquiries, please email equipmentworld@halldata.com. Equipment World (ISSN 1057-7262) is published monthly by Randall-Reilly Publishing Company, LLC, 3200 Rice Mine Road N.E., Tuscaloosa, AL 35406. Periodicals Postage-Paid at Tuscaloosa, Alabama, and at additional mailing offices. POSTMASTER: SEND ALL UAA TO CFS (SEE DMM 507.1.5.2). Non-postal and military facilities: send address corrections to Equipment World, P.O. Box 2187, Skokie, IL 60076-9921 or email at equipmentworld@halldata.com. Rates for non-qualified subscriptions (pre-paid US currency only): US & possessions, $48 1–year, $84 2–year; Canada/Mexico, $78 1–year, $147 2–year; Foreign, $86 1–year, $154 2–year. Single copies are available for $6 US, $9 Canada/Mexico and $12 foreign. The advertiser and/ or advertising agency will defend, indemnify and hold Randall-Reilly Publishing Company, LLC harmless from and against any loss, expenses or other liability resulting from any claims or suits for libel violations of right of privacy or publicity, plagiarisms, copyright or trademark infringement and any other claims or suits that July arise out of publication of such advertisement. Copyright ©2013 Randall-Reilly Publishing Company, LLC All rights reserved. Reproduction in whole or in part without written permission is prohibited. Equipment World is a trademark of Randall-Reilly Publishing Company, LLC Randall-Reilly Publishing Company, LLC neither endorses nor makes any representation or guarantee regarding the quality of goods and services advertised herein.
4 June 2016 | EquipmentWorld.com
Robert F. Boger Award, 2002 Sept. 11th Feature Articles
Fuel efficiency is the number one thing I look for during a demo. Burning one-third less fuel than the competition —
That’s our Ex Factor. – Stoney Welch, director of HSE, Triple B Services
Becoming one of the most successful site prep, excavation, and paving contractors in the state of Texas requires a keen eye on the financials. There’s a reason Stoney has decided to cycle 11 new Volvo excavators into his fleet over the last two years — they burn a lot less fuel, the financing is predictable and flexible, and they hold their value incredibly well. Find tips to get the most from your excavator at volvoce.com/ExFactor.
The new 2016 Ford F-650/F-750 present upfitters with a clean cab-to-axle design. There are no components to move, no rivets or bolts along the top of the frame rails to get in the way, helping to make upfitting easy and fast. It’s more proof that Ford means business. DID YOU KNOW? You can order the new F-650/F-750 with available integrated Ford Telematics™ powered by Telogis®* to get historical and real-time status of vehicle health, location, driver activity and more. Experience how Ford Telematics can help you save time and money for fleets of all sizes.
THE NEW 2016 F-650/F-750 Vehicle shown with optional features and aftermarket equipment. *Ford Licensed Accessory.
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on record | by Marcia Gruver Doyle
MGruver@randallreilly.com
This means “stop”… maybe
F
or the past year, my route between work and home has been through a road widening project; as the population grows in this suburban area, so does the need to handle more traffic. It’s a challenging project; the road undulates through several small hills with deep ravines on each side. So before the new lanes even reach grade, complete multi-layered foundations have to be built. Doing what I do, I’m unlike most of the commuters gritting their teeth as they deal with lane stops and rough road. I’m likely to pass by more slowly than the rest, especially since this project has involved every type of equipment we cover, from graders and artics, through excavators, wheel loaders and dozers, down to compact excavators and compact track loaders. The only thing I haven’t seen is a scraper. One other thing I haven’t seen is effective traffic control. As the project started, there was one gentleman who didn’t seem to know which side of his slow/stop sign he should be displaying to oncoming traffic. His gestures were equally ambivalent; did he mean for us to go around, slow down or stay put? He was eventually replaced by workers who at least knew the basics…that is, until I came across a lady the other day with an orange flag…and that’s all. She was desultorily waving the flag horizontally at her waist, while the rest of her
body indicated her mind was elsewhere. Behind her, a loaded dump truck was entering the road, giving oncoming drivers the message that whatever she was doing, it meant “stop.” There was no hand up, palm facing in the classic police halt signal. Indeed, she seemed barely aware that there were drivers waiting for her next move. As our Senior Editor Chris Hill outlines in his work zone safety story starting on page 87, there were a 116 construction workers killed on road construction sites in 2014. This figure doesn’t count the civilians that were also killed, as they either plowed into a work zone, or got caught up in an accident aftermath. Much of the blame for work zone deaths centers on today’s distracted drivers, who seem to be doing everything but paying attention to the too-ordinary chore of driving. All true. But while most plan specs detail work zone safety markings and traffic procedures, the low-on-the-totem-pole traffic control person, many times a temp worker, can get scant attention. After all, how much skill does it take to hold a stop sign and talk on a two-way? Perhaps a better way to look at these workers is to consider them your project’s front door. If they’re disinterested, distracted and unclear, it reflects on the kind of work you do. And like any worker, they should be given the opportunity to gain the skills – yes, skills – to do the job right.
EquipmentWorld.com | June 2016 7
Never Settle.
Many Jobs, One Machine Need a true multi-tasker? The A 924 wheeled excavator is it. Whether you’re building roads, digging trenches or laying down pipe, this Liebherr excavator delivers the speed and power to get the job done. High lift capacity, maximum digging forces and a comfortable cab all add to the productivity – perfect for roads, bridges and utility work. Find your dealer at liebherr.us/dealers-emt. “We haven’t compromised on anything; why should you?” Liebherr Construction Equipment Co. 4100 Chestnut Avenue Newport News, VA 23607 Phone: +1 757 245 5251 E-mail: info.lce@liebherr.com www.facebook.com/LiebherrConstruction www.liebherr.us
reporter | by Tom Jackson | TJackson@randallreilly.com
3D printed excavator, technology pavilion:
Photo: Georgia Institute of Technology.
add this to the list of things you must see at ConExpo-Con/Agg
T
he big construction equipment show ConExpo-Con/Agg is teaming up with a group of students and engineers to display the world’s first 3D printed excavator at the show’s new Tech Experience pavilion. The display will show the first large scale use of steel in 3D printing, known as additive manufacturing. The excavator project is a collaboration between the Association of Equipment Manufacturers (AEM), National Fluid Power Association, the Center for Compact and Efficient Fluid Power (CCEFP), Oak Ridge National Laboratory (ORNL) and the National Science Foundation. The group is working with engineers and researchers at Georgia Tech and the University of Minnesota to convert current excavator designs into one that is conducive to 3D printing. The Georgia Tech students are developing the boom and bucket for the excavator, while the team in Minnesota is designing a hydraulic oil reservoir, heat exchanger and cooling system that will be integrated into the fabrication of the machine. Additionally, the group is inviting students from around the country to submit designs for the cab of the excavator. Entries can be submitted on the CCEFP
Clayton Greer (front) is the graduate student working on the design of the 3D printed excavator boom and bucket. He and James Collins, an undergraduate research assistant, are shown working with a micro-computed tomography machine. (Inset) Location of the Tech Experience on the show grounds website (ccefp.org). The winning team will receive a $2,000 cash prize and the opportunity to visit the Oak Ridge National Laboratory in Tennessee to watch the printing of the selected design. The show’s new Tech Experience pavilion, which will be located in the Silver Lot in front of the South Hall of the Las Vegas Convention Center is designed to let attendees “actually step into the future and experience what’s new and next in the construction industry,” AEM says. The 75,000-square-foot pavilion will show innovations in three key zones: the worksite of the future, jobs of the future, and the infrastructure of the future. Other plans include a Maker Beta Lab that will feature what AEM calls a “collaborative future factory environment.” The association is also presently taking proposals for pavilion displays. ConExpo-Con/Agg will be held March 7-11, 2017, in Las Vegas. EquipmentWorld.com | June 2016 9
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* Offer begins March 1, 2016 ends June 30, 2016. Subject to credit approval through John Deere Financial installment plan. Some restrictions apply. At participating dealers. Other fnance offers available. See dealer for complete details. For commercial use only. Offer valid only on the purchase of new John Deere 700K SmartGrade Dozers from March 1, 2016 through June 30, 2016. ** Offer begins March 1, 2016 and ends October 31, 2016. In lieu of fnancing, receive a $7,500 credit for use on parts and/or service from your authorized John Deere Construction & Forestry dealer. Offer subject to availability and may be discontinued or modifed. Taxes, set-up, delivery, freight and preparation charges not included. See dealer for complete details. Offer valid only on purchase of new John Deere 700K SmartGrade Dozers from March 1, 2016 through October 31, 2016. Dealer may sell for less. Dollar amounts referenced are in currency of country of residence.
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marketplace | by Lucas Stewart | LucasStewart@randallreilly.com
Bauma, the world’s largest construction show, took place this April in Munich, Germany. Here’s what caught our eye: Note: This is small portion of the products revealed at Bauma. For a more thorough look, go to equipmentworld.com and type “Bauma” in the search box.
Liebherr PR 716 dozer uses ECO mode for light, medium-duty jobs Succeeding the PR 714, the 126-horsepower Liebherr PR 716 dozer has an operating weight ranging from 29,101 to 33,510 pounds. Powered by a 4-cylinder Liebherr engine, the “generation 6” machine uses SCR technology that does not require a DPF. The electronic drive management system has an ECO mode setting that can be used in light and medium-duty applications. When the machine encounters heavy material, a proactive power control kicks in, temporarily increasing engine power. The machine’s universal 6-way blade can be equipped with optional hinged corners, giving the dozer more transportation flexibility. The PR 716 cab uses several features of larger generation 6 machines, including the T-shaped control for travel and working hydraulics, and a touch screen display.
Volvo A60H can haul 40 percent more than 40-ton-class ADTs
Hyundai Tool Master model delivers up to 10 percent more fuel efficiency
The 60-ton Volvo A60H articulated dump truck (ADT) had its official unveiling at Bauma. The ADT can haul 40 percent more than Volvo’s 40-ton-class A40H. Production is expected to start by year’s end, and it will be available in North America at that time. The design concept between the A40 size machine and the A60-size machine is the same, although the drivetrain, frame and body are specifically made for the A60H. Powered by a 16-liter Volvo engine, the 663-horsepower A60H features 100 percent differential locks, an all terrain bogie, hydro mechanical steering and an active hydraulic front suspension for higher hauling speeds in tough conditions.
Hyundai has unveiled the HL955TM Tool Master loader to its HL line up of wheel loaders. The new Tool Master models feature a dual-linkage boom design to increase lift capacity and improve load stability. Powered by a 199-horsepower Cummins engine, the loader comes standard with a 3.5-cubic-yard bucket and delivers 28,218 pound-feet of breakout force. Hyundai says the model delivers up to 10 percent lower fuel consumption and the cab is 10 percent larger than previous 9A models. A 7-inch touchscreen monitor inside the cab integrates all switches, along with an inclinometer, which assists the operator in maintaining a level bucket.
EquipmentWorld.com | June 2016 11
marketplace | continued Bell 60-ton prototype to be here by year’s end The Bell B60E, directed at quarry and mining operations and shown as a prototype at Bauma, will use a 4×4 all-wheel-drive configuration rather than the more typical 6×6. Bell says the shorter machine gives the machine a tighter turning circle; with only a single axle in the back, tires are also less prone to scuffing. The company adopted the two-axle concept of a rigid truck– which the B60E is designed to replace in some applications – with a driven front axle and independent front and rear chassis. The back axle is a 70-ton Kessler truck axle, and the bed is wider than a typical ADT, resembling that on a rigid frame truck. Telescopic cylinders tuck under the bed to push it up in stages during the tipping process. A cradle supports the rear axle with struts being used to create shock absorption. The truck is expected to be introduced in North America by the end of the year.
Genie boom lift offers two modes of operation Driven by high-efficiency AC motors, the new Genie Z-60/37 FE boom lift provides two modes of operation: fullelectric or hybrid. The machine can run a full week on a tank of diesel in the hybrid mode. In full-electric it has enough power to run for a day. A 24-horsepower, Tier 4 Final engine drives the unit in the hybrid phase and charges a 48-volt battery system. When the batteries are exhausted, a bulk charge operation using the diesel engine can bring them back to full charge within about four hours. The boom lift can climb grades as steep as 45 percent. The Genie Z-60/37 FE has a working height of 65 feet 7 inches with a horizontal outreach of 36 feet 7 inches, and up-and-over clearance of 24 feet 3 inches. A standard 5-foot jib offers 70 degrees up and 65 degrees down range of motion. The platform will rotate 160 degrees and hold up to 500 pounds.
JCB debuts compact excavators JCB unveiled its 48Z-1 (pictured), 55Z-1 and 57C-1 compact excavators. The 10,000-pound 48Z-1 replaces the 8045Z and the 55Z-1 replaces the 8055ZTS/RTS model. The 57C-1 is a new size category for the company. Machine features include redesigned pin pickup points that are compatible with a variety of attachment brands, including JCB’s new range of ECO buckets, which have a redesigned profile for easier filling and improved material retention. The redesigned digging end uses a longer main boom and shorter dipper arm or stick to provide up to 5 percent greater dump height to ease truck loading, says JCB. In addition, the upgraded hydraulic system has up to 9 percent more bucket breakout force and 2 percent higher dipper arm breakout than previous models. 12 June 2016 | EquipmentWorld.com
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marketplace | continued Terex Trucks unveils 40-ton-class Generation 10 TA400 artic Terex Trucks, a division of Volvo Construction Equipment, used Bauma to showcase its new TA400 41.8ton articulated dump truck (ADT). Powered by 444-horsepower Scania DC13 engine, the ADT uses selective catalytic reduction combined with exhaust gas regeneration to meet Tier 4 Final emissions regulations. It does not require a diesel particulate filter. The 30-cubic-yard heaped capacity unit features upgraded hydraulic hoses, electrical interfaces, and transmission mountings over previous models. Hydraulic component life cycles are prolonged through the use of magnetic pressure filters that reduce the risk of contaminants entering the system, improving the cleanliness of hydraulic oil. The cab and engine feature anti-vibration mounts, and the cab has an improved air conditioning and ventilation system. In-cab machine performance displays have been updated, including transmission diagnostics on the oil quality, oil level, filter life and fault codes/service indicators.
Gehl, Mustang compact wheel loaders debut Manitou launched its Gehl 650/750 and Mustang 608/708 articulated compact wheel loaders. With horsepower ranging from the 65 horsepower provided by a Yanmar engine in the 600 models, to the 75 horsepower generated by the Duetz engine in the 700 models, the machines are the largest loaders made by Manitou. The machines’ articulated steering is capable of angles up to 45 degrees and allows for a consistent turning radius. The Gehl 650 and Mustang 608 weigh in at 8,680 pounds and have a straight tipping load with bucket of 6,173 pounds. Bucket height to hinge pin is 130 inches and ground clearance is 14.6 inches. The Gehl 750 and Mustang 708 weigh in at 9,934 pounds with a straight tipping load with bucket of 7,275 pounds. Bucket height to hinge pin is 136 inches and ground clearance is 12.3 inches. All four machines feature an automatic track tensioning system, straight tracking, joystick-mounted front and rear locking differentials and hydraulic two-speed transmission and 18.5-gpm auxiliary hydraulic flow standard.
LiuGong E Series excavators range from 15 to 50 tons LiuGong introduced its E Series excavators at Bauma, ranging from 15 to 50 tons. With the E Series, which represents the company’s fifth generation of excavators, LiuGong also developed its own Intelligent Power Control system, giving the machines the ability to match the engine with the hydraulic pump for increased efficiencies and finer bucket control. The 16,500-pound 915E uses a Cummins QZSB4.5 engine and has negative flow hydraulics to optimize the main control valve, improving the speed of the cylinders’ front end while also decreasing the hydraulic system’s damper loss. The pilot valves match up with the main control valve to offer more precise control. The boom and arm support structures have large crosssectional areas and one-piece steel casings for added durability and resistance to bending and torsional stress. 14 June 2016 | EquipmentWorld.com
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1.877.745.7813 Bobcat ®, the Bobcat logo and the colors of the Bobcat machine are registered trademarks of Bobcat Company in the United States and various other countries. ©2016 Bobcat Company. All rights reserved. | 1279
AEMP Technicians of the Year | by Tom Jackson | TJackson@randallreilly.com
Teamwork, can-do attitudes and good communication skills bring top honors to two heavy equipment fleet technicians
T
he Association of Equipment Management Professionals’ Technician of the Year award is presented annually to the individual who best demonstrates excellence in the heavy equipment maintenance and fleet management professions. Nominees must have at least five years of experience, but nominating companies do not need to be members. This year, 13 finalists entered the competition, which is sponsored by John Deere. The grand prize for the winners includes a large John Deere-branded rolling tool box, a custom jacket and a $500 continuing education scholarship. For more information, visit aempfoundation.org.
W
hat does it take to win top honors for your equipment technician skills? Meet Chris Flood of Glenn O. Hawbaker, a construction firm based in Pennsylvania, and Michael Naletko with the Sarasota County Fleet Services division in Florida. The two were just recognized by the Association of Equipment Management Professionals for their skills in their respective areas, Flood for private fleets, and Naletko for public fleets. Here are their stories.
Technician of the Year: Private Fleet Chris Flood, Glenn O. Hawbaker
W
hen Chris “Chippy” Flood was a young man, working alongside his father convinced him to become a diesel mechanic. His dad maintained and repaired rock drills, trucks and small equipment for a drilling and blasting company. So it was only natural for Chris to sign up for two years of diesel technology in high school and then six months of additional training in a vocational school afterwards. “Everything else has been hands-on and learning from other technicians through the years,” Flood says. Today, Flood is a heavy equipment field technician working for the Pennsylvaniabased construction company Glenn O. Hawbaker. He started working for them at age 19 and has put in 21 years with the company. “Whatever needs fixing, I go fix it,” says Flood. “They usually put me on site for the big dirt jobs. I have a service truck and do 99 percent of my work out of the truck. I have a mobile laptop to order my parts, do emails, and take care of work orders and parts requests.” With the company’s multiple locations in Pennsylvania and Ohio, Flood spends a good deal of time on the road, but he wouldn’t
Chris “Chippy” Flood
EquipmentWorld.com | June 2016 19
AEMP Technicians of the Year | continued (continued) have it any other way. “I love the work. I love the challenges,” he says. “I love the people and going to different places. I love being the guy they call to come fix stuff for them.” The feeling is mutual around the shops and jobsites at Hawbaker. Dave Irwin, shop supervisor, says: “Chris has the ability to do the job right the first time, safely and correctly. It doesn’t matter how big or how small the job or the location. He is the first to jump in, and he has the ability to communicate with everybody from management on down to the laborers. If Chippy is on the site, you know it’s going to get fixed.” Flood says keeping up with the changing technology of heavy equipment is his biggest challenge. Tier 4 engines and their multiple sensors are one of the biggest changes he’s experienced. “Some of the technology makes life easier, but you have to learn it and know it before it becomes easy,” he says. Dealer training helps him keep up with the latest advancements, Flood says. “They keep us up to date on what’s coming out.” Other training opportunities come through the company’s shop supervisors or through the Internet, he says. Working around other experienced technicians and mentors, including his dad, helped Flood broaden his skills and knowledge. Flood cites co-workers Paul Kitko and Steve Butterworth as well as Irwin as helping him develop the work ethic he has today. “Dave (Irwin) was our field technician when I first came in,” says Flood. “I worked with him hand-in-hand for probably the first 10 years. Steve was our equipment specialist; just a good all-around technician. He was the guy you called when you were stumped or had a problem. He’d walk you through it or come help you.” “It’s a great honor to be named a AEMP technician of the year,” Flood says. “I am truly blessed and thankful to all the people who helped me get here.” 20 June 2016 | EquipmentWorld.com
Michael Naletko
Technician of the Year: Public Fleet Michael Maletko, Sarasota County Fleet Services
I
t was a 1967 Ford Bronco that first tripped Michael Naletko’s interest in all things mechanical. “I was 17 or 18 years old and used to go four-wheeling with friends every weekend,” says Naletko. “And every weekend I would break something. I figured if I didn’t learn to fix it myself, I was going to go broke pretty quick.” After high school, Naletko took his fledgling interest in wrenching into the Air Force, where he was trained to work as a special purpose vehicle and equipment mechanic. He graduated at at the top of his class in that seven month course of instruction, learning everything from the basics to complete engine rebuilds. Naletko got out of the Air Force after five years and wound up practicing his trade at Waste Management. “That was very
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AEMP Technicians of the Year | continued work orders, he’s also involved in equipment procurement. “If there is something new coming out for our fleet, I’ll get a heads up and relay that to the fire department,” Naletko says. “I’ve also been on some mid-point and final inspections at the factory where our engines and rescue vehicles are made.” Naletko credits his supervisors in the Air Force and the older techs he’s worked with for giving him a solid grounding in the profession and handing down their tricks of the trade. “They provided so much input it was easier to learn from them than from a book or a class,” he says. One of the biggest challenges he faces today is dealing with the exhaust aftertreatment in the big diesel engines that power Sarasota’s fire trucks. “It’s about 70 percent of our problems,” he
says. “Trucks keep coming in with check engine lights and its almost always emissions related. A fire truck sits at high idle most of the time, or runs in city traffic so it doesn’t get a chance to burn off a lot of the soot. And when they’re running the pump, they won’t go into regen. At our 300-hour PM we actually do a park-regen before doing the service.” Naletko is currently enrolled in AEMP University and taking its Equipment Manager Specialist (EMS) course. After that, he hopes to earn the Certified Equipment Manager (CEM) certification and eventually reach the position of fleet manager. “I like working on emergency vehicles,” Naletko says. “If I don’t do my job, they can’t do theirs. And the trucks we work on save lives. That’s a good feeling.”
POWER
good hands-on experience, because they break just about everything on those trucks,” he says. Six years ago, Naletko signed on with the Sarasota (Florida) County Fleet Services where he is a Heavy Equipment II technician. “Michael hit the ground running and never looked back,” says Greg Morris, fleet manager at Sarasota County. “He was nominated by his peers with unanimous approval. He has superb customer service skills and leads by example.” Today Naletko maintains just about every piece of equipment the Sarasota County Fire Department operates: fire engines, rescue vehicles, jaws of life, stretchers and saws. As a Heavy Equipment II, he is the go-to guy if a Technician I has trouble with a specific task. In addition to scheduling and processing
behind your productivity
With every turn of the wheel, every push of the controls, and every project completed — you’re reminded why you chose John Deere engine power in the first place. John Deere engines faithfully do their jobs with performance that responds to each command, uptime delivered day after day, and low cost of operation proven year after year. We make every experience you have with our engines count, right down to the reliable support you receive at more than 4,000 service locations worldwide.
That’s the John Deere experience. JohnDeere.com/jdpower EquipmentWorld.com | June 2016 23 Untitled-14 1
5/17/16 2:07 PM
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GPS/GNSS 101 | by Tom Jackson | TJackson@randallreilly.com
The basic building block of a GPS/GNSS system Part 1 of a 4-part series
F
or the contractors who invest in them, GPS/ GNSS systems can deliver huge gains in earthmoving productivity, accuracy and speed. But because these are electronic and digital products, and because full blown GPS/GNSS systems for automated blade control can cost $60,000 to $100,000 per machine, many contractors have not taken the leap. If the complexity of these systems has you sitting on the sidelines, or if you just need a refresher in the technology, this series of articles on GPS/GNSS 101 is for you. For our introduction to the basics, we asked David Hilbig, Southwest regional sales manager for construction at Topcon Positioning Systems, to explain how the components of a GPS/GNSS system work together. In future articles we’ll go into more depth on how to set up excavators, doz-
ers and motor graders with GPS/ GNSS machine control and we’ll finish the series talking about how to integrate this technology into a site-wide control system.
How does GPS/GNSS work? In simple terms, these systems receive the same satellite positioning signals you get on your car or smartphone map and navigation systems. The big difference is that systems designed for survey and earthmoving operations receive broadcasted radio corrections from on-site GPS base stations to make it highly accurate for rovers or machines in the field. The rovers use this information to check or survey a site without the need for stakes in the ground. The machines use the information to cut, fill or dig to a profile that exactly matches the X-Y-Z coordinates on a digital topographic plan. This eliminates the majority
The base station receives satellite positioning information, corrects it for accuracy and radios it out to man and machine rovers in the field. of the survey staking that a site needs and the wait times that often accompany resurveys. An operator in a machine that is GPS/GNSS guided has two options. In the “indicate” mode, he sees the final contours of the site on the digital plan on the screen in his cab and manually adjusts the elevation and slope of the blade to match the plan. In the “automatic” mode, the machine’s hydraulics take over the blade and automatically make those adjustments. In addition to eliminating most of the staking chores, GPS/GNSS makes less skilled operators more efficient. And it can prevent operators from overcutting a pass and having to move the dirt multiple times to achieve final grade. EquipmentWorld.com | June 2016 25
GPS/GNSS 101 | continued Satellite evolution There’s a bit of digital magic involved in making this all work, which we will explain, but to avoid confusion, let’s start by defining some terms. You’ll often see this technology referred to as GPS or GNSS or as we put it, GPS/GNSS. What’s the difference? In the early days, the only satellites available to beam this positioning information down from space were global positioning satellites, or GPS, put into space by the United States government. In the early 2000s, access to the Russian Satellite Constellation, Glonass, became available. Europeans have plans to complete their own series of satellites called Galileo. This combination of satellite constellations created the Global Navigation Satellite Systems or GNSS. Today, people use the terms GPS and GNSS somewhat interchangeably. The base station At the heart of any GPS/GNSS system is the base station. Via antennae, it receives the positioning signals from satellites orbiting the earth. But because these signals travel a great distance through the atmosphere, their accuracy tends to be in the +/- 30-feet range. Good enough for automobiles or airplanes, but not
civil engineering. The key to a base station is that it is set up precisely over a known, surveyed point. As the satellite’s signal travels though the atmosphere, there is an error in its position when received on earth. Since the base station knows precisely where it is located, it can deterMan rovers in the field conduct topos on the site, measure mine the error. The stockpiles, layout the project and stake out pads, roads and error experienced other project elements. at the base station is also seen by the rovers. The base station broadcasts Hilbig. “Like a laser on a tripod, it this “differential correction” across can broadcast to an infinite number the jobsite to all available man of receivers or multiple end users on and machine rovers. The corrected the site,” he says. “But with GPS, you signal is referred to as real time can cover huge elevation changes kinematic or RTK. This improves and great distances depending on the accuracy to within millimeter terrain, and you don’t have to move tolerances, says Hilbig. it like you do a laser. Depending on This base station broadcast is the radio type and terrain you can typically delivered through a radio often cover a three-mile radius.” signal. Where radio transmissions are As mentioned, for a base station to problematic, however, the RTK trans- function properly it must be set up mission can also be accomplished over a control point or a known survia cellular modem. vey point. To do this, many contracA good analogy for the base stators will mount it to a jobsite trailer tion is the construction laser, says or put it on a 4x4 post anchored in
The antenna for machine rovers are typically mounted on the blade and use the corrected GPS signals to guide the dozers or motor graders to the exact coordinates of the finished surface.
26 June 2016 | EquipmentWorld.com
On excavators, the GPS/GNSS antenna is usually mounted on near the counterweight.
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GPS/GNSS 101 | continued concrete in the ground, Hilbig says. On top of the post they’ll typically mount a threaded bolt so that crews can remove the unit for safekeeping at the end of the day and reinstall it the following day. “The main thing you want to do when you set up the base station is to make sure you have an unobstructed view of the sky,” Hilbig says. The better the access to clear sky, the more satellite signals the unit can receive and the more accurate the data is. “The man-rovers and machine rovers may have to work up close to buildings or the tree line, which can limit their access to satellites.” Today’s base stations are integrated systems with a GPS receiver, GPS antenna, a radio (or cellular) modem to send out the RTK signal, and a power source – typically a battery pack.
Rovers and machines There are two types of rovers in the GPS/GNSS earthmoving world. A man rover is used to conduct topos on the site, measure stockpiles, layout the project, and stake out pads, roads, etc., during excavation. These have a GPS/GNSS receiver on the top of the pole, a radio antenna to pick up the RTK corrected signal from the base station, and then a controller or data collector containing the 3D model or digital terrain model. The 3D model is created by the contractor or a consultant showing all the elements of the job: design surface, alignments, linework showing pads, roadways, curb and gutter, utilities, etc., as well as point files. All files incorporate the coordinate system used by the local surveyor. The man rover is used to calibrate or localize the GPS to the established coordinate system. Surveyed control points, typically placed on the perimeter of the jobsite, are occupied by a man-rover for about two minutes to create a relationship between GPS coordinates (latitude, longitude, ellipsoid height) and the surveyor coordinates (northing, easting and el28 June 2016 | EquipmentWorld.com
evation). This is a one-time operation performed on the first day of the job. Machines act just like rovers except their GPS/GNSS antennae are mounted on masts attached to the blade of a dozer or motor grader and a control box is mounted within the cab to serve as the users’ interphase. On excavators, the GPS antennas are located near the counterweight.
Changes in technology GPS-based earthmoving got its start around 2002. Since then, a number of changes and refinements have made it more practical and efficient. One of those changes is the emergence in some areas of cellular reference stations. A cellular reference station performs the same functions as a local base station but eliminates the need for the contractor to own or set up a base station on his site. These reference stations broadcast their RTK information via cellular modem rather than radio signals. Anyone within cellular reach of the reference station can tap into the signal and get accurate positioning information. Government sponsored reference stations typically require you to apply for permission to use it. There are also privately run reference stations that charge a fee for use. Newer versions of GPS/GNSS machine control systems are replacing the antenna masts on the blade with small antenna on the cab and inertial measurement units that calculate the exact position of the blade and machine.
The local dealers who sell GPS/ GNSS equipment can help you find these services, and many of the dealers operate their own networks.
No more masts Recently we’ve seen the emergence of the “mast-less” GPS/GNSS systems on machines. Instead of the tall masts sticking up on both ends of the blade of the machine, these newer systems use one or two inertial measurement units (IMUs) attached to the body of the machine. The IMUs employ sensors, machine dimensions and gyroscopes that measure the pitch, roll and yaw of the machine. That spatial information along with the known dimensions of the machine enable the system to figure out exactly where the cutting edge of the blade is at all times. The machine gets its RTK signals from a lowprofile antenna mounted on top of the cab (instead of receivers on a mast) and then the IMUs and software coordinate that information with the exact X-Y-Z position of the blade relative to the design surface. “Dual IMUs can talk to each other 100 times a second and give us an even better response and quicker reaction,” Hilbig says.
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ATTACHMENTS 2016 Whatever the task at hand – cleanup, compaction, concrete and asphalt, demolition, earthmoving, grading, landclearing, landscaping or lifting – there’s an attachment in our roundup that will help you complete the job.
CLEANUP
Clean and sweep any hard surface The Giant high-pressure washer can be mounted in front of any loader with skid steer-type mount, and is powered by the machine auxiliary hydraulics. The attachment has a 158.5-gallon capacity. With a high power output of 2,900 psi, little water is needed to clean and sweep any type of hard surface. A pressure washer pistol is included to wash vehicles and hard-to-reach areas. compactgiant.com
Clean large properties and construction sites Worksaver’s Sweep Action Material Bucket is designed for cleaning large properties and construction sites. The bucket collects demolition debris, brush or small rocks with one tool, offering time and cost savings. Two models are available, the SAMB-72 with an overall width of 72 inches and the SAMB-84 with an overall width of 84 inches. The front grapple operates in a sweeping action to pull debris or brush into the unit for effortless site clean-up. worksaver.com
COMPACTION
Compact foundations in shallower trenches Case Construction Equipment’s five compactor plates – the SC-30, SC-60, SC-80, SC-110 and SC-220 – are used to compact the foundation in shallower trenches and prevent movement/ground upheaval. These plates run on unidirectional hydraulics and are available in a variety of sizes, ranging from 19 x 20 inches to 32 x 42 inches. The plates are designed with an “Angle Technology” base plate that efficiently transfers and distributes vibratory forces. casece.com
EquipmentWorld.com | June 2016 31
attachments | continued CONCRETE/ASPHALT
Drills for full-depth road repairs Model 210 concrete drill attachments from E-Z Drill are used for full-depth road repair and patching projects. The series consists of three models: the three-gang 210-3 EQ MT, fourgang 210-4 EQ MT and five-gang 210-5 EQ MT. All three are compatible with most models of backhoes and excavators, and are capable of drilling 5/8- to 2 1/2-inch diameter holes, at a depth of 18 inches. ezdrill.com
Milling attachment allows cuts outside the tires The Maddock RG72 RotoGrader is a milling attachment designed for asphalt and concrete pavement maintenance. The cutter drive system replaces the moldboard and allows cuts outside the tires on both sides of the motor grader. The standard drum is 72 inches wide, and the unit is self-contained with a choice of 200- or 225-horsepower engines. maddockcorp.com
Increase productivity in dowel-pin drilling applications Minnich Manufacturing’s series of machine-mounted drills are available with a number of features engineered to increase safety and productivity in dowel-pin drilling applications, and are available in both hydraulic and pneumatic options. Primarily used for full-depth repair, or “patchwork,” Minnich Manufacturing offers excavator / backhoe / skid steer-mounted units that are ideal for horizontal patchwork jobs with a relatively long distance between the areas to be drilled. minnich-mfg.com
Lay down a variety of material with one attachment The Road Widener skid steer attachment can lay down hot mix asphalt, recycled and crushed aggregates, topsoil, etc. The unit attaches to skid steers, loaders, graders and backhoes. The FH Model has a single sided discharge unit, while the DD Model can discharge either from the right or the left side by rotating the belt in either direction. roadwidener.com
32 June 2016 | EquipmentWorld.com
Teeth designed for milling jobs
COUPLERS
Rio Carbide milling teeth are specially made for heavy crawler pavement applications include heavy highway cold-milling planers, compact milling-head attachments, material crushers and pulverizers, custom engineered material processing equipment, and asphalt, concrete and stone reclamation. riotrack.com
Coupler remains securely locked Werk-Brau’s D-Lock Coupler is dual locking, meaning attachments remain securely engaged on both pins in the event of loss of engagement force. An automatic front lock secures in the front pin in the event the rear pin is not locked. Multi-pin centers pick up all attachments in the same weight class with the same pin diameter. Available for all machines from 5 to 120 tons. werk-brau.com
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attachments | continued COUPLERS continued
Manual coupler offers low-cost option to hydraulic couplers TRK Attachment’s Multi-Grab Quick Coupler lets you change attachments without the need to hammer out and change the pin. It features an adjustable screw mechanism that allows the operator to grab multiple pin centers. trkattach.ca
DEMOLITION
Bucket crushers crush up to 110 tons of material per hour Atlas Copco Construction Equipment’s bucket crusher attachments — the BC 2500 and BC 3700 — process about 80 percent more material than previous models due to their hydraulic drive system. The BC 2500 fits 24-ton to 33-ton carrier weight classes, and the BC 3700 fits 30-ton to 42-ton carrier weight classes. The attachments can crush as much as 110 tons of material per hour. atlascopco.us
Breaker line designed for variety of applications
Tools for heavy-duty breaking jobs Brunner & Lay manufactures demolition tools for use with most types of heavy-duty, boom mounted breaker machines. The tools – including points, chisels, blunts and other specialized working ends – are manufactured from high quality steel that is heattreated. brunnerlay.com 34 June 2016 | EquipmentWorld.com
The Paladin Strike Force Breaker line has a wide range of models and sizes for various carriers and applications. The Small Mounted Breakers are designed for compact excavators and skid steer loaders, while the midrange breakers are designed for trenching and demolition, including breaking hard rock and reinforced concrete. Large range breakers are used in quarrying, tunneling and mining. paladinattachments.com
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attachments | continued DEMOLITION continued
Tank cutter exerts 75 tons of cutting force The Brokk 47-inch-by-47-inch TC120 Tank Cutter is used with the Brokk 160, 260 and 400 models. The TC120 has hydraulic rotation capabilities and 5-inch-wide jaws. It exerts 75 tons of cutting force at 7,250 psi to easily cut through half-inch thick steel plate. Typical uses include cutting steel tanks, pipes and vessels. brokk.com
Match impact energy and striking rate to material hardness The Montabert V65 heavy-range hydraulic breaker has an automatic speed variation system that adjusts its impact energy and striking rate to match material hardness. Designed for excavators weighing between 121,250 and 198,400 pounds, the breaker delivers between 390 and 950 blows per minute and is rated in the 15,000-footpound impact energy class. montabert.com
Breaker designed for 6,400to 13,200 pound carriers Chicago Pneumatic Construction Equipment features the RX4 in their lineup of mini hydraulic breakers. The RX4 breaker is designed for light demolition, landscaping, building renovation and road construction. With an impact rate of up to 1,300 blows per minute, the breaker is specified for carriers with a capacity of 6,400 pounds to 13,200 pounds. cp.com
Break up concrete, asphalt, rock or brick The Toro Dingo hydraulic breaker simplifies the tough job of breaking concrete, asphalt, rock or brick during replacement or renovation jobs. The unit’s mounting configuration allows for horizontal alignment, particularly useful in breaking apart walls. The breaker attachment offers 180 foot-pounds of force, and delivers up to 1,250 blows per minute. toro.com
36 June 2016 | EquipmentWorld.com
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attachments | continued DEMOLITION continued
Breaker maximizes service life Breaker Technology’s redesigned CX small breaker line uses a simple uni-body valve and cylinder design, providing easy service access. Configured for today’s compact excavators and skid steers, the CX Series provides high flow rates and low operating temperatures, maximizing the service life for both the carrier and breaker. rockbreaker.com
Fits excavators between 2.5 and 70 tons FAE’s RC Rock Grinder line for excavators includes eight different models, staring with the RC25, designed for excavators as small as 2.5 tons, and going up to the RC320, designed for excavators as big as 70 tons. Applications include: demolition, trenching, tunneling, asphalt, retaining walls, underwater works, mining, scaling, profiling and soil mixing. fae-group.com
Drop hammer has longer breaking tip Universal Impact Technologies’ HD3700 Hurricane drop hammer delivers 30 blows per minute and has an operating weight of 1,540 pounds. The breaker has an improved design for greater impact, a longer breaking tip, versatile bolt on skid system and heavy duty wheel-mount motor. powersledge.com
Equipped with high-torque, low-speed hydraulic motor Antraquip’s rock and concrete grinders are suitable for trenching, controlled demolition, scaling, soil remediation, tunneling, underwater cutting and general rock excavation. Numerous models available for excavators ranging from 2 to 110 tons. The AQ line is equipped with a high-torque, lowspeed hydraulic motor with rugged gearing and symmetrically aligned cutter bit patterns. antraquip.net
38 June 2016 | EquipmentWorld.com
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attachments | continued DEMOLITION continued
Demolition tool for high-reach applications Genesis Attachments’ new GDT Razer demolition tool is designed for specialty, high-reach applications. Featuring a lighter-weight design, the GDT 190 and GDT 290 are optimized to fit on standard 200 and 300 class excavators, respectively, as well as most high-reach demolition machines. The GDT Razer processes a variety of materials with its customizable crushing tooth configurations. genesisattachments.com
Handle a variety of materials Builtrite Manufacturing’s Heavy Duty Butt Tine Utility Grapples can handle a wide variety of materials, from railroad ties, matting and logs to pipe, jersey barriers, beams and other construction materials. The grapple has 360degree continuous rotation and heavy duty, high pressure cylinders. builtritehandlers.com
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Different jaws for different jobs
Rotobec’s line of power attachments is available with six different jaw configurations (rake, bucket, pulpwood, trash, demolition and compaction). All are equipped with 5,000-psi high pressure cylinders and protected by 3/8-inch steel cylinder guarding. rotobec.com
Obtain two fragment sizes with one crusher The ALLU TS Screener Crusher fits on a wheel loader, excavator and skid steer, and allows you to screen, crush, pulverize, aerate, blend, separate, feed and load materials in one stage. The unit can screen and crush materials from 5/8 inch to 5 inch, including topsoil, compost, demolition waste and milled asphalt. allu.net EquipmentWorld.com | June 2016 41
attachments | continued DEMOLITION continued
Hammer blow energy and frequency adjust to material hardness Indeco North America’s HP 13001-ABF hydraulic breaker is designed for aggregate applications. Featuring a severe-duty casing and the company’s Anti-Blank Fire technology, the breaker fits excavators weighing 86,000 to 176,000 pounds. The intelligent hydraulic system varies hammer blow energy and frequency according to material hardness. indeco-breakers.com
Get faster cycle times and more cuts per hour The new Cat S2000/S3000 Series mobile shears, designed for excavators working in scrap and demolition applications, deliver faster cycle times and more cuts per hour, compared with predecessor models. Built with added strength and jaw protection features, the new models can be boom or stick mounted and are available in both straight and 360-degree rotating configurations. cat.com
Five-model hammer line uses oversized accumulators IHIMER’s five-model lineup of hydraulic Silent Hammers feature oversized accumulators and anti-vibration shock absorbers. The models range from 100 foot-pounds. to 750 foot-pounds. The Silent Hammers can be configured to simply pin on the carrier unit or customized for a quick coupler configuration. ihimer.com
EARTHMOVING
Extendable dipper offers 30 percent more reach The PWCE Extendable Dipper fits both full-size and compact excavators, as well as backhoe loaders. Offering up to 30 percent more reach, the dipper installs easily and can be transported with the carrier machine. Auxiliary hydraulics are available. pwce.com
42 June 2016 | EquipmentWorld.com
attachments | continued EARTHMOVING continued
Trenching attachment for mini skid steers Ditch Witch trenching attachment fully uses the engine power on mini skid steers, maximizing digging capabilities. The attachment is available in three digging dimensions, 24-inch, 30-inch and 36-inch. Digging chain speeds range from EW June 16 Ad PRINT.pdf 1 5/19/2016 10:09:08 AM 317 to 457 fpm. ditchwitch.com
Severe-duty buckets take on heavy jobs Doosan severe-duty buckets for crawler excavators can handle abrasive materials in heavy digging and loading applications. Side cutters, shell bottom and side plates, as well as a weld-on wear shroud, are all made from abrasive-resistant material. An abrasive-resistant wear strap on the bottom improves wear resistance when working in harsh materials. doosanequipment.com
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44 June 2016 | EquipmentWorld.com Untitled-46 1
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Bucket for severe, high-wear applications ESCO’s Super Extreme Duty Plate Lip Bucket was developed for severe, high wear applications. It uses an extreme duty wear package providing more premium cast steel wear protection than any other company excavator bucket. The bucket features two cast, mechanically attached shrouds on each wing; cast corner wear shoes (heel bands); AR400 horizontal wear kit and vertical wear pads; cast weld-on lip shrouds; and chisel points for penetration and strength. escocorp.com
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Bucket teeth fit existing shanks H&L Tooth Top Locking Style teeth are available for most models of backhoes with side flexpin teeth and shanks. The are designed to fit existing shanks, so there are no flexpin hassles. The teeth can be installed without tools, and removal can be accomplished with either a pry bar or punch. Now available in self-sharpening single and twin penetrator, dirt, fang and flare styles. hltooth.com
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attachments | continued GRADING
Blade designed for consistent grade The SSGB-8B Skid Steer Grader Blade from Worksaver maintains a consistent grade when doing site prep work and is designed for asphalt, landscaping and concrete flatwork contractors. The unit features an 8-foot six-way hydraulically controlled moldboard with 25-degree rotation/tilt. www.worksaver.com
Trimmer establishes finish grade for concrete placement The Easi-Pour Easi-Grade SST fine-grade trimmer is designed to establish finish grade for concrete placement. The standard attachment is 82-inches wide with options up to 106 inches wide and is hydraulically controlled using elevation and slope sensors. The SST features wireless remote control, replaceable carbide bullet teeth and a 57-cubic-inch direct drive hydraulic motor. The Easi-Grade SST can be mounted to any brand of skid steer or compact loader. easipour.com
Dozer attachment for skid steer The Dual Dozer operates independently of the skid steer, allowing it to independently tilt, rise, and lower from the input of the guidance system. Each receiver also works independently from the other keeping a more accurate grade and allowing dual slopes. The standard unit is available with a skid steer or three-point attachment option. Base models come in 6-foot, 7-foot and 8-foot sizes. dualdozer.com
LANDCLEARING
Cuts heavy brush and trees up to 7 inches in diameter The John Deere Extreme Duty Brush Cutter has a retractable forward shield that moves up and away from larger trees and brush to expose the entire cutting head, protecting the operator from flying debris. The attachment can cut heavy brush and trees up to 7 inches in diameter. It has four double bevellededge blades and optional stump-grinding teeth for easy stump removal and material cutting. johndeere.com
46 June 2016 | EquipmentWorld.com
attachments | continued LANDCLEARING continued
Hydraulic thumb provides up to 180 degrees rotation Geith’s progressive linkage hydraulic thumb provides up to 180 degrees of rotation, allowing operators to pick up and place rocks, tree stumps, pipes and and other irregular shaped objects closer to the excavator. The Universal Linkage Pivot Systems allows the thumb to be installed on any excavator arm without removing the dipper arm linkage. geith.com
Quickly clear leaves and brush The Craig Boxer Bucket quickly clears leaves, brush, and other light materials. It features a reinforced bottom, two replaceable bolt-on cutting edges, and a serrated closure for grabbing large loads of loose material. A modular hook-up design allows the unit to be easily adapted to other machines with the purchase of additional hook-ups – saving the cost of replacing the entire attachment. craigattachments.com
48 June 2016 | EquipmentWorld.com Untitled-7 1
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Easily remove trees and heavy material The Eterra Typhoon Brush Mower gives a skid steer operator the ability to remove trees and heavy material without sacrificing its capability to cut lighter material cleanly. The blade bar is in a double reverse diamond shape, giving the unit the power to start up easily with a powerful spinning action while still maintaining moderate mulching ability. eterra-usa.com
Cuts up to 6 inches in diameter The TimberAx efficiently cuts grass, vines, brush or trees up to 6 inches in diameter, and can intermittently cut material up to 12 inches in diameter. The 17-inch rotor of the TimberAx features a reverse-rotation design to lift material off the ground for proper cutting. The unit is available in 53-, 63-, 73- and 83-inch cutting widths and comes with a universal mount for attaching to all major makes models1:15 of skid EW_HALF_SMARTER.pdf 1 and 5/3/16 PM steers. loftness.com
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Vacuworx Lifting Systems are the smarter choice for all your material handling needs. Environmentally friendly “H” models of our MC and RC Series lifters handle loads up to 44,000 lb with no noise or emissions, reduced maintenance and no fuel costs—benefits you can take straight to the bottom line! Make the smarter choice with Vacuworx.
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attachments | continued LANDSCAPING
Tree spade easily transplants trees
The Quick Attach Tree Jack tree spade transplants a tree without the operator having to leave the machine. In addition, a worker using an optional wireless remote control module can also operate the attachment. The tree spade can be used for transplanting hardwood trees up to 2 ½ inches in diameter and evergreens up to 3 inches in diameter. quickattach.com
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50 June 2016 | EquipmentWorld.com
Rake operates in several configurations The York Rakes SSF landscape rake is specifically designed for use with skid steer loaders. The unit can be set to push or pull, and also angled to discharge material left or right and with five working. Choose from 6-, 7- or 8-foot raking widths. The Model SSF landscape rake can also be equipped with optional caster wheels, grader blade, end boots and hydraulic angle to make the Model SSF and the skid steer an even more versatile tool. yorkmodern.com
Make quick work of site prep jobs
Daniel Manufacturing’s harrow-style rake makes quick work of jobs such as leveling, grading and seed preparation. Side steps are available for easy access to skid steer cabs, and bucket hooks allow operators to carry a bucket when moving from site to site. The attached dozer blade in the front allows operators to quickly level piles of material. danielmfg.com
LIFTING
Lift barriers up to 16,000 pounds Designed for use with a variety of equipment, the HL Series lifters connect easily and work with the host’s hydraulic system. Elastomer grips provide full surface contact without damaging materials. The HL B1 is designed to lift concrete road barriers up to 6,000 pounds and 12 feet long. The HL B2 can handle barriers up to 16,000 pounds and 30 feet long. vacuworx.com
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GET RESULTS. GET AN E-Z DRILL. EquipmentWorld.com | June 2016 51 Untitled-23 1
5/18/16 8:42 AM
Ready whenever and wherever you are. Equipment World Magazine makes it easy to keep up-to-date while you are on the go. Get the latest news in the construction industry, along with insight from our award-winning editorial team, through our mobile version of equipmentworld.com.
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attachments | continued LIFTING continued
Reach heights of greater than 40 feet SkidCrane is a compact hydraulically controlled crane attachment for skid steers. It is capable of lifting loads of up to 5,000 pounds and can reach heights of greater than 40 feet. Its compact design allows it to be easily transported on the same trailer as a skid steer and work in confined spaces. Standard features include electronic controls, bob-tach compatible attachment device, anti two block safety equipment and snatch block configuration. skidcrane.com
// CARBIDE CUTTER G4
Grab and release concrete barriers The Kenco Multilift V1 lifting attachment automatically grabs and releases concrete wall, blocks and slabs. It works on any machine with lifting capabilities. A lever flips to free the legs for adjustments up to 68 inches wide. Once the legs are in the preferred position, the lever is flipped once again to lock the width. This design will accommodate differing slab variances up to 5 inches without needing any readjustments. Models are available in 3,000 and 8,000 pound capacities. kenco.com
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EquipmentWorld.com | June 2016 53 LOF15501_EW4v0616.indd 1
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attachments | continued LIFTING continued
Place or remove concrete curbs and barriers
Pull, set and pile poles up to 45 feet in length
The Compact Giant hydraulic curb/barrier grab is used for placing or removing concrete curbs and barriers. Available with skid steer brackets, most loaders can use this grab to ease the job for pavers and road work. The grab opens to 15.5 inches. compactgiant.com
EZ Spot’s UR’s Heavy-Duty Pole Setter pulls, sets and piles poles up to 45 feet in length. The unit attaches easily to virtually any machine and rotates 115 degrees for optimum versatility. ezspotur.com
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54 June 2016 | EquipmentWorld.com
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www.pengoattachments.com 800.599.0211 | 712.845.2540 | FAX 800.915.6904 COPYRIGHT PENGO CORPORATION 2016. EMAIL: PENGOSALES@PENGOATTACHMENTS.COM
equip your telehandler with a spreader bar The adjustable spreader bars from Haugen Attachments are designed for telehandlers and large forklifts. They are designed to carry a load at 24 inches on center with multiple hook locations and a variety of spreads up to 20 feet wide. haugenattachments.com
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attachments | continued MACHINE ENHANCEMENTS
Stringless paving when GNSS signals are blocked or unavailable
Improve load-holding capabilities
Topcon’s LPS Paving systems is designed to provide a stringless paving solution in conditions when GNSS signals are blocked or unavailable. It uses multiple Topcon PS series robotic total stations that track two prisms mounted on the paver for steering and elevation control. The system uses a MC-i4 receiver with LongLink for local communications between the robots. topconpositioning.com
HKX field-installed load hold and hose burst protection kits are designed to improve excavator performance in lift applications where the load needs to be held for extended periods of time and where extra precision (no load movement) is needed. The valve prevents uncontrolled lowering of the load in the event of a hose failure. hkx.com
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2005
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Competitor Data
2006
$93,951
Amount Overpaid
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*Notes: Year of manufacture data sourced from Top Bid’s Serial Number Guide and a competitor’s guide. Value data sourced from one year of auction results based on Top Bid’s Price Reference Guide.
Top Bid’s Serial Number Guide covers 585 manufacturers of construction equipment, which is over 100 more manufacturers of equipment than any other data source. Plus, the data is more accurate. Top Bid’s deep relationships with OEMs and unparalleled access to lien registration data mean you get the most reliable year-of-manufacture available. And since an error of one year can change the equipment value by thousands of dollars, your investment in Top Bid can pay for itself in just one deal.
56 June 2016 | EquipmentWorld.com
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attachments
Add precision grading capabilities to your skid steer AGL’s GeoMax 316B Dual Control Package can now be installed on an AGL Grader Blade, giving skid steers precise grading capability. The blade-control system has two independent sensor inputs and two hydraulic drive outputs. A dual remote switch box allows automatic and manual blade override control. The grader blade has three independent cylinders for up and down, left and right and rotation movement. agl-lasers.com
Speed up excavation work
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ExcaVision’s Grade Control System speeds up the work and eliminates the guesswork when digging a basement, foundation or sewer trench. The instrument is accurate to 0.02 feet. It mounts on excavators and backhoes. ocalainstruments.com
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EquipmentWorld.com | June 2016 57 Untitled-19 1
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attachments | continued MISCELLANEOUS
Choose between auger- or chain-driven feeds Spread materials with in-cab control The Hiniker stainless steel tailgate spreader uses a “NoDribble� bubble auger design to stop the flow of materials when the auger stops. The spreader has an in-cab variablespeed controller. Brushed-finish 304 stainless steel hoppers are available in 6- and 10-cubic-foot capacities. hiniker.com
The SaltDogg SHPE 2500 Series Spreaders use rotationally molded double-walled hoppers that improve functionality and aesthetics. The unit is suitable for full-size pickup trucks and is available with an auger- or chain-driven feed mechanism. The side-swing chute is removable and adjustable for easy maintenance. snowdogg.com
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58 June 2016 | EquipmentWorld.com
Adjustable skid foot has pre-set dig depths Repair bores in the field Bore Repair System’s BOA-408i automatic bore welding system is used for the repair of the numerous worn pivot points found on construction equipment and attachments. The BOA-408i is simple to set up, easy to use, and works with existing MIG welding equipment. All equipment comes with rugged, aluminum diamond plate carry cases. borerepair.com
The Digga Bigfoot trencher has an adjustable skid foot with pre-set digging depths. When placed correctly on the ground, the foot places the spoil from the auger in an advantageous clearing position. A heavy duty crumber bar allows the operator to start trenching with the crumber in the engaged position, eliminating the need to get out of the machine to set it once the trenching depth is achieved. digga.com
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EquipmentWorld.com | June 2016 59 ATI_Equip0115_PG073.indd 1
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technology | by Wayne Grayson | WayneGrayson@randallreilly.com
Caterpillar’s Redbird drone will map sites as well as help monitor and manage machines As attendees milled about Caterpillar’s cavernous exhibit at the Bauma trade show in Munich, a small red-and-black contraption hung quietly above the yellow machines on display.
C
at expects drones like the Redbird quadcopter suspended by wires at its exhibit to become integral in providing owners, fleet managers and operators with more actionable data. The company is likely not far away from launching its own drone service through Cat dealers that will let customers tap into such data, either with their own drones or through recurring visits from contracted drone pilots. Caterpillar announced its partnership with Redbird, a French drone data analytics startup, earlier this year. At the time, the company provided few details other than saying it was interested in beginning tests
in Europe (where drones fly freely due to a lack of regulations) to see how these aircraft could advance the company’s push to provide customers with more data. At Bauma, Cat gathered attendees around a giant display made up of eight large touchscreens in order to guide them through exactly how Redbird drones can already enrich the company’s VisionLink telematics data. Melanie Venneker, with Cat’s German dealer Zeppelin, took us through the demonstration. Using the touchscreen, she pulled up an image of a drone and initiated a simulated flight path over a quarry. In 20 minutes, she said, a Redbird quadcopter can map about 30 acres of quarry, providing common data (continued on page 62)
DeWalt debuts constructionrugged phone with built in thermal camera, dual SIM cards
I
n the past two years Caterpillar has released a new smartphone nearly every six months. Now another well-known name is entering the smart phone market with an Android device. DeWalt has unveiled the MD501 (also referred to simply as the DeWalt Phone), a device that not only meets the rugged standard Cat’s phones have achieved, but in a few instances, actually exceeds those specifications. At 5 inches, the MD501 boasts a slightly larger display than any of the Cat phones released to date.
DeWalt’s construction-ready MD501 phone. In terms of resolution and toughness, the DeWalt display appears to be the same as those found on Cat’s Gorilla Glass, usable with gloves and likely not all that sharp, with a resolution lower than 1,080 pixels. The MD501 is compatible with 4G networks and, unlike any phones we’ve seen yet in this market, supports dual SIM cards. Dual SIM is a nifty feature that not only allows you to make and receive calls from both a (continued on page 62) EquipmentWorld.com | June 2016 61
technology | continued (DeWalt phone continued from page 61) work number and personal number but also allows for the use of two separate networks—handy on any jobsite where one carrier’s reception is better than another’s. Another nice thing about this phone is that it supports both CDMA carriers like Verizon and Sprint and GSM carriers like AT&T and T-Mobile. A lot of phones in this space have either been CDMA- or GSM-only, which would have made the dualSIM feature of using two SIM cards – say Verizon and AT&T – impossible. In terms of rugged spec, the phone is rated IP68 – dust proof and waterproof up to 30 minutes in up to 6.5 feet of water – and MIL810G – able to withstand extreme temperatures and drops onto concrete from up to 6.5 feet. The DeWalt Phone also appears to be fairly thin for a rugged phone, though no exact measurements have yet been given. Plus, it features Qi wireless charging. This phone also features the largest battery of any rugged construction phone we’ve seen: 3,950 milliAmpere-hours. That’s more than double the battery size of the iPhone 6s and should get you through a full work day with ease and likely well into another. Android 5.1 Lollipop serves as the MD501’s operating system and the phone is powered by a 1.3 GHz processor and a healthy 2 gigabytes of RAM. Internal storage is 16 GB but is expandable up to 64 with a microSD card. DeWalt plans a U.S. launch later this year. 62 June 2016 | EquipmentWorld.com
(Caterpillar’s Redbird drone continued from page 61) like material volumes. (For contractors, this can also include road grades and widths.) Cardinal, Redbird’s app for viewing this data, lets users view 2D and 3D maps that are as easy to read and navigate as Google Maps – and from a desktop, laptop or iPad. During the demonstration, the map of the quarry was marked by the software with red lines for roads with steep grades. Green road borders indicted where two trucks could pass side by side on a road, and orange borders showed where the width was only a single-lane wide. That’s pretty typical aerial photography stuff. Where things get interesting is combining these 3D maps with VisionLink machine data. Cardinal pulls in a wealth of data from VisionLink, providing a real-time view of machine location, idle time and more, atop the 3D maps being captured by Redbird drones on a weekly or monthly basis. This opens up a whole new level of fleet management possibilities. With the machine data and the map, users can track speed, fuel consumption and other metrics at exact locations and grades at a given quarry or jobsite. With that type of data it’s possible, for instance, to discover a machine burning excessive fuel because the grade
of a road in the quarry is 8 percent too steep. With that knowledge, modifications could be made to the road’s architecture, and money saved. The combination of data and mapping can also be used to set up geofences on quarries and jobsites that prevent machines from leaving certain areas, while also allowing users to compare production in those areas against the same machine type in other areas of the site. Redbird’s mapping also allows for the extraction of cut profiles and the ability to export maps to Autocad.
A Redbird representative at Bauma said the two companies are planning to offer the VisionLink integration both as a service and through sales of the actual drones themselves. Contractors who purchase the data as a service can expect a cost of between $400 and $500 per flight with data delivered the next day by a contracted drone pilot in their area. An exact date for when you can expect Redbird drones to drop into your local Cat dealer in the United States has not been set, but customers here can expect to hear something about the launch of the service before the end of the year, according to the Redbird representative.
Five-beam laser from Spectra Precision makes complex layout chores easier
T
rimble’s new Spectra Precision LT52 Point and Crossline laser combines a five-beam laser pointer with a horizontal and vertical crossline laser for use in a wide variety of construction layout and alignment applications. You can use the LT52 for work including horizontal and vertical alignments, wall layouts, point transfer and a variety of interior finish jobs. The unit is self leveling. Simply set it up and turn it on. When combined with the Spectra Precision HR220 Line Receiver, the package assists in general leveling and alignment tasks including elevation checks, septic tank installation and landscaping. The points and cross lines generated by the laser are bright enough to be seen outdoors in most working conditions and are visible up to 200 feet away from the unit. The cross beams fan 210 degrees to intersect with side and overhead points.
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The Power Paver SF-1700 Compact Paver, Big Results. Having the right tools for the job makes all the difference. Requiring only 29� (74 cm) of side clearance, the SF-1700 from Power Pavers can fit into jobsites that full-size pavers can’t, making it perfect for half-width paving and squeezing into congested city street jobs. And with the service and support of Power Pavers behind you, you can be sure that you can handle any project that comes your way.
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road science | by Chris Hill PART
|
ChrisHill@randallreilly.com
WINNING the BONUS
SLIPFORM CONCRETE PAVERS
6
HOW TO ACHIEVE BONUS-WINNING SMOOTHNESS
S
lipform pavers spread out, form and, depending on attachments, apply an initial finish to the surface of lowslump Portland cement concrete (PCC). The paver is pulled over the PCC, slipping over the material, hence the name. The process is similar to extrusion, but instead of the material moving, the machine itself is moving. PCC running through a slipform paver passes through an auger spreader, a spreader plower, strike-off plate, vibrators and or tampers and a
Guntert & Zimmerman S600 multi-purpose slipform paver used for paving city streets, secondary roads, highways and airports.
conforming plate. It then goes through the finishing screed, which produces the final shape, followed by a float or hand finishing. These machines provide a continuous and seamless concrete pavement surface and by nature give a smooth surface, without having joints. These machines must work on a stable subgrade, since lack of a stable subgrade can cause thickness control and profile problems. Paving in this manner also requires a steady supply of material be available. As with asphalt paving, an inconsistent pace, including stops, along
This month, Equipment World continues its seven-part series on how to optimize pavement construction to win bonuses through an examination of PCC pavements with slipform pavers. Part I: Part 2: Part 3: Part 4: Part 5: Part 6: Part 7:
Smooth Pavements through Cold Milling Smooth Pavements and Material Transfer Vehicles Smooth Pavements and Asphalt Pavers Smooth Pavements and Asphalt Screeds Compaction for Super Smooth Asphalt Pavements Super-Smooth PCC Pavements with Slipform Pavers Super-Smooth PCC Pavements with Stringless Controls
EquipmentWorld.com | June 2016 65
road science | continued
Image: American Concrete Pavement Association
The Ten Commandments of Smoothness
Cedar Valley’s work on Iowa Route E34 in Monona County, Iowa. The project recently won a Gold Award for County Roads from the American Concrete Pavement Association. a planned straight run of pavement will create noticeable mars on the surface. Therefore, it’s important to keep a consistent head of material in the machine and to coordinate truck delivery and operations at the mix site.
Mix design and weather Mix design and weather conditions also affect the quality of the pavement. Low humidity, high heat and high winds can dry out the PCC, which requires a delicate balance between workability and firmness. If the mix dries out, it loses workability and no manner of operational expertise will be able to improve the pavement. “Slight variations in aggregate and moisture conditions can cause problems,” says David Howrey, president of Howrey Construction in Rockwell City, Iowa. His firm is a recent winner of a 2015 Concrete Paving Award from the Iowa Concrete Paving Association (ICPA). The awards recognize projects that are evaluated on several factors, including smoothness. “A perfect mix design on paper is easy,” Howrey says, “but getting that perfect mix design out of the mixer and through the paver and to have it act consistent is another matter. Just a slight
66 June 2016 | EquipmentWorld.com
variation of the moisture content can make it act differently.” Howrey says he’s witnessed contractors who work as if they believe the paver should be able to create perfect results in any condition. “In a job done this past year, we had a dirt contractor get into the concrete pavement business and he had an inexperienced guy running the paver. It was 95 degrees and he didn’t understand why he was having issues. He was having nightmares over the project because the machine wasn’t doing what he thought it should be doing. Every minute the concrete sits in those conditions, it’s hydrating.” Steve Jackson, president of Cedar Valley Corporation in Waterloo, Iowa, agrees with Howrey on the weather issue, as his staff lists it at the top of their challenges. Cedar Valley is consistently recognized for its quality concrete pavements, winning five awards from the ICPA’s 2015 round of recognition, and a Gold Award from the American Concrete Pavement Association’s 2015 Excellence in Concrete Pavements awards. Mix design and concrete consistency also is a top concern, but Jackson adds that poor design may be a bigger problem when it comes to smoothness.
O
ften quoted and redistributed, the “Ten Commandments of Smoothness” was originally produced by Chapin Cipherd of CMI Corporation (now CMI Roadbuilding) in 1988 and is included in the American Concrete Pavement Assocition’s Best Practices for Constructing Smooth Concrete Pavements. 1. Develop a smoothness plan for the specific project. 2. Develop an accurate field survey for stringline/ stringless controls. 3. Properly prepare the grade, providing a stable form or track line. 4. Set up proper forms properly for fixed-formed paving. 5. Use a consistent concrete mixture appropriate for the paving method. 6. Deliver and place concrete consistently. 7. Set-up and operate the paver steadily. 8. Fasten dowels/reinforcing securely and use “bump-free” construction joints (headers). 9. Use only necessary and appropriate finishing techniques. 10. Apply texturing and curing with care.
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EACH ROADTEC PAVER IS ERGONOMICALLY DESIGNED FOR BETTER VISIBILITY, REDUCED NOISE, AND COMFORT. The New Clearview FXS® fume extraction system provides greater visibility to the front of the paver hopper, to the opposite side, and down to the augers. Paver controls are mounted to the pivoting seat station, which hydraulically swings out past the side of the machine for excellent
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All functions are easily accessible, including feed system and flow gate controls. Noise levels cut in half and improved visibility allow the operator to stay in constant communication with the rest of their crew.
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Image: American Concrete Pavement Association
road science | continued “Everyone wants pavement that is as smooth as a glass table top,” he says. “If the geometry of the pavement design has built roughness into the pavement, a slipform paver can’t remove it.”
Quality work crews Design is just one part of the preparation aspect of slipform paving. Jackson says his staff believes a major contributor to top-notch concrete pavements is the quality of the workforce. “The constant theme they gave me is that superior pavement smoothness comes from attention to detail and employing quality people who care about the job they are doing,” he says. “While quality equipment is absolutely essential to getting quality pavements, quality people seem to be the top factor.” He says the same operation that produced smooth pavements 10 years ago is the same operation that will produce superior pavements today.
Cedar Valley’s received a Gold Award for State Roads from the American Concrete Pavement Association for its work on US 75 Union South in Nebraska. Cedar Valley says the top factors contributing to quality include: • Properly trained staff preparing the grade and padline in front of the paving crew. • Attention to detail performing equipment guidance “set up,” with or without stringline. • Quality equipment designed to get the level of performance you are working towards. • Attention to detail when performing equipment set up. • Top-notch people producing
concrete, working with equipment and materials capable of delivering consistent concrete, with enough production capability to deliver the level of production you require. “I think the equipment manufacturers are doing a fantastic job designing and producing quality equipment capable of meeting the challenges of paving superior, smooth pavements,” Jackson says. However, he believes one of the biggest challenges faced by the concrete industry is attracting and keeping a qualified workforce
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Learn how 3D-MCMAX changes everything and download a list of available dozer models by visiting www.topconpositioning.com/MAX
From start to finish. With you all the way. EquipmentWorld.com | June 2016 69 Untitled-4 1
5/26/16 2:14 PM
“This show is massive and a must attend. It has all the latest equipment and the cutting-edge technologies we need to make us even more efficient.”
IMAGINE WHAT’S NEXT. Get the ultimate view of where construction is going. Go hands-on with the new technologies spread out over 2,400,000 square feet of exhibition space. Learn next-gen techniques, tools and ideas from over 100 education sessions. From earthshaking big iron to groundbreaking innovations, CONEXPO-CON/AGG 2017 is where over 130,000 construction industry professionals from around the world go to stay ahead of their competition.
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road science | continued
Equipment capabilities While contractors know experienced and well-trained crews are the key to their success, they also realize the capabilities and advancements of slipform pavers must be at a matching level. Much of the more recent changes and updates to these machines have focused on the control systems. Wirtgen America says its design concept has focused on sourcing high-quality vendor hydraulics, such as using aviation-grade systems in addition to electronic compo-
Image: Wirtgen
that wants to be engaged and proud of their work. He also believes consistent transportation funding to be key to maintaining consistent quality pavements. “We need to have funding mechanisms in place to have enough work for our industry to allow businesses to have a consistent workload, which will allow us to keep our trained staff and purchase quality equipment.” Concrete surface from a Wirtgen SP 94i slipform paver during a project at the Jefferson City (Missouri) Memorial Airport. nents. “These, in combination with the intelligence of our WI-Control operating system, which is custommade for slipform pavers, ties it all together,” says Tim Nash, director, concrete products. Nash says with slipform pavers there are numerous variables that come together to create optimum equipment design: “We focus on frame design and weight, in ad-
dition to mold design and control systems.” Randy Peters, Power Pavers’s national sales manager says his company’s developments in control systems have helped simplify operation, allowing crews to focus more on the overall process of paving. “The use of 3D guidance and smart accessories, paver speed, instant feedback, and the ability to
Email: info@mobilebarriers.com
www.mobilebarriers.com
®
EquipmentWorld.com | June 2016 71
Image: Power Pavers
road science | continued
Power Pavers’ SF-3000 slipform paver has a standard paving width of 12 feet, but can pave up to 32 feet wide with attachments. adjust the sensitivity of the paver elevation controls all play a key role in creating a smoother pavement,” Peters says. Peters says the controller area network system on Power Paver machines allows for nearly instantaneous reaction to information they collect. “This allows for a much more accurate feedback, which helps create a smooth surface.”
“The paver structure and controls themselves are rock solid, and anything that can adversely affect smoothness has been addressed, so the operator doesn’t have to deal with it,” says David Lipari, Guntert & Zimmerman marketing manager. Visibility on G&Z machines has been adjusted to allow the operator to better monitor the concrete head of material height. “Concrete head
height control is an important part of achieving smooth pavements,” Lipari says. “The machine is easy to set-up for paving, and our controls are designed to be intuitive and easy to learn.” Chad Harrison, chief engineermobile products for CMI Roadbuilding, says because continuous paving is a major contributor to pavement smoothness, operation of the equipment shouldn’t be complicated. “A key part of CMI’s ‘macro’ view on the entire paving operation is to use technology to simplify the equipment for the operator and improve reliability,” he says. To do so, the company has added bright, large screens to provide more visible feedback to the operator and to make machine control easier. CMI has incorporated what it calls the “strong box” paving kit idea, which originated with its SF-2 paver, to its entire slipform paving line in order to reduce deflection during paving. “The CMI Series ‘6’
To order, call (800) 430-4540 or visit www.equipmentworld.com/roady-order-form Email: roady@equipmentworld.com 72 June 2016 | EquipmentWorld.com Roady_EW_halfpage_EW0415.indd 1
3/25/15 8:52 AM
kit utilizes a rigid box construction that creates a paving kit that is more than 50 percent stiffer than a traditional hanger and pan style with no deflection during paving,” says Mike Rodriguez, CMI regional business manager.
Real-time smoothness In the past few years, research under the second Strategic Highway Research Program (SHRP2) has examined how to determine the smoothness of concrete pavements in real time by analyzing the profile of the pavement while it is still wet and in plastic phase. Contractors can use instantaneous feedback to make adjustments as needed to the wet concrete, rather than having go back later and grind down the pavement to meet smoothness specifications. Two prominent pieces of equipment used in the testing included the GOMACO Smoothness Indicator (GSI) and the Ames Engineering Real Time Profiler (RTP). The
GSI’s two sonic sensors and one slope sensor can be attached to paving equipment or attached to a standalone machine, and measure international roughness index (IRI) and profile index (PI). It was tested in Arkansas and Michigan. The RTP mounts directly on the paver and uses a laser to determine IRI and PI, and has a bump/localized roughness detection system. It was tested in Texas, Michigan and New York According to the SHRP2 report, researchers found both pieces of equipment were able to detect realtime smoothness and thus make adjustments affecting ride quality and the final profile of the pavement. As a result, the report recommends contractors use the add-ons for process monitoring and improvement, making use of the data collected to adjust paving speed, vibrator frequency, the sensitivity of paver elevation controls and the frequency of the oscillating correcting beam on pavers.
Future developments Controls will continue to be a focus of slipform paver design and operation to create smooth pavements in the near future, manufactures say, along with advances in concrete mixes and specifications. “Even though stringless controls have been around a long time, they are still in their infancy when it comes to solving age-old challenges inherent to stringline being set in cords,” Lipari says. “This, in conjunction with higher quality concrete being used in concrete paving, is going to be the driver that make concrete pavements smoother than ever.” “Roadbuilding specs are continually being adjusted to closer tolerances and tighter specifications, which pushes us to continually refine our products,” says Peters. “We are constantly trying to overcome the jobsite challenges our customers face.”
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A Supple
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quick data | by Marcia Gruver Doyle
Dozers
|
MGruver@randallreilly.com
A snapshot of new and used sales trends from Randall-Reilly’s Equipment Data Associates and TopBid auction price service.
Year-over-year change*
Auctions
NEW: UP 7%
Dozer auction prices, 2011-2016 YTD $200,000
Auction prices for the top 10 models of dozers are now $70,066 below the five-year average of $137,437.
$190,000 $180,000 $170,000 $160,000
USED: UP 3%
*Comparison of number of dozers financed Apr. 1, 2015 to Mar. 31, 2016, and Apr. 1, 2014 to Mar. 31, 2015. Source: EDA, edadata.com
$150,000 $140,000 $130,000
$
$110,000 $100,000
171,186
$
$90,000
Average:
137,437
Low: Mar. 2016
$
$80,000 $70,000
97,366
$60,000
Current: Apr. 2016
2011
2012
2013
2014
2015
Apr.
Mar.
101,120 Oct.
Jan.
Oct.
Jul.
Apr.
Jan.
Oct.
Jul.
Apr.
Jan.
Oct.
Jul.
Apr.
Jan.
Dec.
Jul.
Apr.
Jan.
$30,000
Apr.
$
$40,000
Jul.
$50,000
PRICE
Top three states for dozer buyers*
High: Dec. 2011
$120,000
2016
1
Texas: 1,676 buyers
2
Mississippi: 721 buyers
3
Oklahoma: 635 buyers
Trend prices for the top 10 models of dozers sold at auction, not seasonally adjusted. Source: TopBid, topbid.com
360,000
$
OTHER TOP BID:
Top financed new dozer*
Top auction price, paid for 2012 Cat D8T with 1,620 hours at a Ritchie Bros. sale on May 6, 2015 in Edmonton, Alberta, Canada.
285,000
$
2012 Komatsu D155AX-7, 1,519 hours, Ritchie Bros., Aug. 5, 2015.
Cat D6K2 LPG, 462 units
0 32,0
0
00 0 , 0 $36
AVERAGE
$
HIGH
May 1, 2015 – Apr. 30, 2016; prices of dozers 5 years old and newer, U.S. sales only. Only includes bids $5,000 and above. Source: TopBid, topbid.com
LOW
Final bids unit count: 495
New
Dozer new/used sales trends, 2006-2015* 12,000
80 5 , 6 11 Used
Deere 850K, 291 units
Used high: 2006, 11,205 units
11,000 10,000
Used low: 2009, 6,693 units
9,000
Top financed used dozer*
8,000 7,000 6,000
Cat D8T, 343 units
5,000 4,000 3,000 2,000 1,000
UNITS
Other top selling new machine:
New low: 2010, 681 units
New high: 2006, 6,706 units 2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
*In terms of number of financed units sold Apr. 1, 2015 – Mar. 31, 2016. Source: EDA, edadata.com (Note: EDA reports are continually updated.)
*Financed equipment, 2006-2015, number of units sold. Source: EDA, edadata.com
EquipmentWorld.com | June 2016 75
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heavy trucks | by Tom Jackson | TJackson@randallreilly.com
HAULING THE BIGGEST LOADS
Whether it’s machinery or huge industrial components, before you hit the road with an oversize or overweight load, consider using a specialist.
T
he technical aspects of hauling big or heavy loads on trailers is well known by experienced contractors. You get a big enough tractor, a big enough trailer and you tie down the load according to the manufacturer’s specs or DOT rules. But there is a whole other world of complications, regulations and requirements contractors must adhere to before putting an oversized or overweight load on the road. And these additional requirements are such that in, most cases, contractors are going to need a specialist to help them organize and execute the move. For Robert Hall, director of carrier operations at Ryan Transportation Service, it’s just these logistical complications that make his job interesting. “Our preplanning is what makes these difficult and challenging moves exciting,” he says. “A lot of customers don’t see all the planning that goes into it, including routing, timing, state permits, restrictions, construction issues and crane involvement.”
Ryan Transportation Service is a transportation broker, meaning they organize the haul, arrange for all the logistics, screen and qualify the carriers and in some cases provide financing for the cost of hauling oversize or overweight loads. The company specializes in loads that are wider than the 8-foot 6-inches legal length and taller than 13-foot 6-inches. These heavy loads can weigh from 45,000 pounds to between 150,000 and 160,000 pounds. The financial penalty for any contractor who gets any one aspect of a super load haul job wrong is enormous, says Hall. Take cranes for example. To get a big load onto a trailer often requires the service of a large crane. At $1,500 an hour to rent a crane and operator, being unprepared when the crane arrives can take quite a bite out of the contractor’s bottom line, he says. The key to success, Hall says, is to have a strong transportation plan that takes into account the complexity of the job, the savings and cost considerations and safety and risk mitigation.
Transportation of oversize loads, such as this scraper, is often restricted to daylight hours.
Complexity To guarantee a successful job involves hundreds of details. You need to know the exact weight and dimension of the load, do all your planning, secure the proper permits and the right truck for the load, map out the most cost efficient route and make insurance arrangements. Much of the complexity comes from the fact that every state has different requirements and permit standards for oversized/overweight loads, says Hall. Some charge more for permits and some even require a 10-day waiting period. In one state you may not need an escort car but as soon as you cross a state line, you do. In some New England states, for loads taller than 14-foot 6-inches, you need an escort car with a pole on it to gauge bridge or powerline heights. But for many states out west, oversize regulations come into play at 16 feet or 17 feet, says Nathan Watson, director of business development for Ryan Transportation Service. “And trust me, the states can change things overnight,” he says. EquipmentWorld.com | June 2016 77
Join an Equipment World Peer Group and engage like never before What is a Peer GrouP?
Why join?
A peer group is a small group of noncompetitive contractor principals (no more than 20), formed to engage in frank discussions about business issues, best practices, technology developments, and other topics related to running a successful contractor firm. These discussions take place at two annual live events, two annual group conference calls, and through ongoing dialog in a private, online forum. Here, members can tap into the experience of fellow contractor principals to gain insights on how to better run their business through substantial conversations fostered in an intimate and private setting.
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heavy trucks | continued Route planning Choosing the route for a super load is more involved that just looking at the map. The permits will require you to specify the exact route you take, but before that, you or your broker or carrier need to survey the entire route, check bridge heights and watch out for detours or road construction that may interfere with the haul, says Watson. In some circumstances you will be required to get clearance or permission to use private roadways or co-op owned roadways. These may require wavers or pre-approval. And if part of the route into a construction site is over unpaved surfaces, those must be examined to make sure they can handle the loads. States and metropolitan areas often have curfews on when a super load can run on a highway. Many restrict these loads to daylight hours. “The
If you’ve got the money, somebody has the truck
P
icking the right truck and trailer is also important in hauling a super load. In many cases, if you can’t find what you need, you can probably find somebody to build it for you. “If you have enough time and enough money, there is a truck for every load,” says Ryan Transportation’s Robert Hall. “A lot of these guys will have dual-lane, 35-axle trailers where the trailer itself weighs 200,000 pounds. The more axles you have under the load, the better you disperse the weight and you can transport loads that are 200,000 or 300,000 pounds. Weight wise there’s not a lot that can’t be moved.” “Even if the trailer doesn’t exist now, there are carriers out there with the ability to build a specialized trailer specific to that load,” says Watson.
“A lot of these carriers have modular configurations so they can add or remove axles.” Barges are another option but the piece will still need to get on and off the barge, so a truck will be involved at some point, he says. A 500- to 600-horsepower tractor will be needed for many of these super loads, says Hall. That will give you the best fuel efficiency and comfort for the driver. Many will have tag axles that they can drop down to improve weight displacement. To save weight the carriers use day cabs, rather than sleeper cabs. “The engines are different; the transmissions are different. They’re built exclusively to haul heavy loads,” Hall says. “You won’t find a sleeper cab truck that can haul 150,000 pounds. They just aren’t built for it.”
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heavy trucks | continued carrier has to balance that with how many hours they have on their log books and plan their fuel stops, inspections and mandatory breaks. They have to look at much more than just how much daylight they have to run.” And finally, to prevent excess rental charges, the arrival of the super load must be timed to coincide with a crane or any specialized equipment that’s needed to remove and place the load. “All this has to be built into the precheck to make sure that we have access to the origin and the destination and to make sure it’s safe, clear and legal,” says Watson.
Who to use Unless your company hauls super loads on a regular basis, you’re probably looking at hiring out the expertise. You could sub this out to a carrier who owns the truck and trailer or go with a broker, which would hire the carrier for you and handle all the logistics and paperwork.
Untitled-6 1
Nine axles were needed to distribute the weight of this Caterpillar 777 mining truck.
The benefits of a broker are that they can choose from a network of carriers and bring substantial logistics experience to the table, says Hall. They can also help you with insurance issues and identify ways to make your move more cost efficient. If you plan to execute more than one super move, Hall recommends you create a process of benchmarking how your company handles
super load transportation so you do not have to reinvent the wheel every time you need to move a similar load. Develop a method for securing carriers, following regulations and building shipping schedules. This approach can improve transportation performance and cut wasteful spending, he says.
9/15/14 1:54 PM
EquipmentWorld.com | June 2016 81
CONGRATULATIONS
to the 2016 Contractor of the Year winner and finalists IN
R
E
N
W
Gregory & Dawn Tatro G. W. Tatro Jeffersonville, Vermont
Garry Boyce
David and Eric Covington
Terry Michael Brock
Boyce Excavating Slate Hill, New York
DECCO Contractors-Paving Rogers, Arkansas
Brock’s Grading and Land Clearing Hartsville, South Carolina
Tina Dieudonne
Joseph Porchetta
Dieudonne Enterprises Harahan, Louisiana
GMP Contracting South Plainfield, New Jersey
Jeff Hansen
Jack Bailey
Hansen Bros. Enterprises Grass Valley, California
JBR Incorporated Fredericksburg, Virginia
Michael Brown B & P Excavating Sedalia, Missouri
Roger, Roger Jr., Kevin and Damon Brown R. Brown Construction Willow Creek, California
Sponsored by:
Alfred Gorick Gorick Construction Binghampton, New York
James MacKay MacKay Construction Services Wilmington, Massachusetts
contractor of the year | by Chris Hill | ChrisHill@randallreilly.com
New York contractor takes slogan “Whatever it takes” to heart
“W
hatever it takes” on the surface may bring up thoughts of driving a square peg through a round hole with an enormous hammer, but for Al Gorick, it signifies a philosophy that a job will be done the right way, no matter what resources are needed. The slogan is part of Gorick Construction’s logo, and appears on its website as well as the company’s clothing. Gorick grew up in the construction business, working summers at the company. His parents started the company in 1945, following his father’s return from World War II, serving under General George S. Patton. It was such a family business that his mother and father
bought the company’s first dump truck on their honeymoon. “They drove to Atlantic City, New Jersey, and bought a dump truck,” Gorick laughs in describing the beginnings of Gorick Construction. “She drove the car home and he drove the dump truck home.” Al Gorick, Gorick Construction City, State: Binghamton, New York Year Started: 1945 Number of employees: 40 Annual revenue: $8 to $10 million Markets served: Demolition, mass excavation,heavy/high way, environmental, landfill, sports facilities site work
The youngest of four children, and the only son, Gorick went to work as soon as he could as a child, starting with cleaning bathrooms and advancing to heavier tasks. He also learned a few valuable lessons about limitations as he progressed. “I broke my toe changing truck tires when I was about 12,” he says. “I dropped a truck rim on my foot. I knew better, but it’s just that I couldn’t get the rim out of the tire, so I kept at it, and it just fell out. So I’ve had some bumps and bruises along the way, but you learn.” But when he went to college, majoring in civil engineering, he was determined to strike out on his own, rather than falling back on EquipmentWorld.com | June 2016 83
contractor of the year | continued Multiple machines work simultaneously breaking down an office building and sorting the materials.
the family business. “During summers obviously I came back and worked here, but I always had the intention when I went to school that this wasn’t going to be a fall back for me,” Gorick explains. “I felt that I would have an opportunity to work somewhere to make it on my own.” After graduating from Clarkson University, Gorick interviewed with several companies, as well as the Connecticut Department of Transportation. Four offers came, he says, even with the companies knowing he had a job at a family business waiting for him. He was waffling a bit on the decision, though. “I wasn’t sold at that time if I was just going to come here or not. But I was determined that I was going to do it on my own, if I did. If I came here, it was going to be ‘OK, you’re hiring me here,’ as opposed to me going to work for another firm.“ 84 June 2016 | EquipmentWorld.com
Changing leadership Gorick quickly set his mind to stay home and joined the company fulltime after graduating. “There was no time off. I was going to come back and make sure that we moved ahead and do what we had to do,” he says. “So at that point, I was going out and running machines during the day and coming back and doing bidding work at night, then taking care of phone calls at lunch.” He was determined Gorick Construction was going to grow at that point, confident that the quality people and the resources the company had would help him achieve that goal. He became president of the company just two years later. “We had to either get a little bit bigger, or we had to go smaller, but we couldn’t stay where we were, because we were going to get pushed out,” he says. “So we went after some bigger jobs.”
The first of these jobs was a $1 million-plus project on the nearby I-81/I-88 bridge connector involving moving more than 400,000 cubic yards of dirt for the embankments and ramps. “I was going to prove to my father that getting the bigger jobs made sense,” he says. “He thought it was too much for us to take on at that time. But it worked out well, fortunately.” Gorick attributes his drive for growth to his mother, who he describes as being the administrative and business side of the company versus the “worker” that his father had always been. “Anything to deal with paying bills, taxes, unions, lawyers, that was all her,” he says. “I never knew a man that worked harder than my father, but if it was just him without her, it would have still been a dozer, backhoe and a dump truck show, and that’s it.“
Challenges build character A major challenge early on in Gorick’s career, however, gave him an opportunity to test his resourcefulness and ability to turn a potential bad situation into a win. An environmental legal battle over a construction debris landfill the company owned represented a major crossroads for Gorick. But the company persevered and used its experience to cap and close the site. “This was the most difficult business situation that I had to endure, and it happened to coincide with my mother’s passing,” he says. “We conquered this huge obstacle, this environmental lawsuit that could have put us out of business. I remember a family friend, who is a federal judge, telling me at the time that this environmental lawsuit would be the hardest thing I would ever have to face in business. I also remember telling him that I would have preferred to face that challenge down the road, not at 26 years old.” “Looking back I have to say that experience taught me to never quit, as even the toughest obstacles can be overcome by persistence and determination and a positive attitude.” Fast-forward to present day and Gorick Construction has completed many high-precision projects, including demolition work at a facility where precise scientific research work was ongoing. Lend Lease Construction called in Gorick Construction because of their ability to work in close proximity and not disturb structures nearby. “We had a large project at Bristol Meyers Squib where we had to take a four-story building down that was attached to a building where there were scientists working, and we did that without any interruptions or issues for the client,” says Jim Mulherin, project executive at Lend Lease. “Al’s team had a lot to do with that. They are like surgeons with demolition. I would recommend them to anyone who
Gorick’s executive-level golf course River Run II was built on a capped landfill owned by the company. Many of the course markers were made from materials, such as boulders, removed from demolition sites.
had a demolition job that required expertise on the equipment, quality and safety.”
Diversification aids growth Gorick is extraordinarily practical and looks at ways of reusing materials, inspired the company’s ability to turn lemons into lemonade by converting the troubled landfill into an executive-level golf course. River Run II Golf Links hosts many youth tournaments and corporate events, and is unique in that Gorick makes use of natural and recycled materials, such as trees and rocks, salvaged from other demo sites. The tee-box markers are boulders hauled in by his crew from a company gravel pit, trees are replanted to enhance landscaping and recycled granite is used for tee blocks. Sports in general are top of mind for Gorick. He is a long-time youth hockey coach and his company has also expanded into sports facility work.
“I believe we are one of the most diverse companies around because of the wide diversity of work we tackle,” he says. “But our bread and butter has always been mass excavation and demolition.” Demolition is such a cornerstone that Gorick served as a member of the board of directors of the National Demolition Association for six years. He feels his company is different from some national firms because they don’t travel all over the country for demolition work. This, he believes, helps his crews to strike a healthy work/life balance. “In the past three to four years we’ve travelled up to 2 1/2 hours away,” he explains. “That’s far enough, but we could go farther. Most of my guys have family like myself and appreciate being home. I’m a believer that if your guys are happy and get to go home, you’ll get more out of them.” EquipmentWorld.com | June 2016 85
G. W. Tatro Construction, our 2016 Contractor of the Year, has a great story. So do you. One way to make sure it gets told is to become one of our 2017 Contractor of the Year finalists. ÂŽ
equipmentworld.com | May 2016
18 2016
P.
CONTRACTOR of the YEAR
Greg and Dawn Tatro
G. W. Tatro Construction, Jeffersonville, Vermont Steep mountains and technical challenges bring out the best in this family firm
Our Contractor of the Year program honors the forward thinkers, high achievers and just plain good people in construction. These are the construction companies that get the job done right, on time and within budget. Their clients sing their praises, their vendors wish all clients were like them, and their workforce is dedicated and loyal. Sound like your company? Then it’s the perfect candidate to become one of our 12 Contractor of the Year finalist firms in 2017. Our finalist representatives receive a free weekend at the exclusive Wynn resort in Las Vegas.
Interested? To get started, visit EWcontractoroftheyear.com.
Sponsored by:
highway contractor | by Chris Hill | ChrisHill@randallreilly.com
Caltrans
The future of work zone safety: Intelligent transportation systems and smarter work zones
C
onstruction work zones are some of the most brightly designated areas along roads and highways, even rivaling the ubiquitous billboard. Unfortunately, that visibility hasn’t stopped accidents in what the public assumes is a cordonedoff haven. In 2014, 116 workers deaths oc-
curred in road construction sites, according to the latest figures available from the U.S. Bureau of Labor Statistics’ Census of Fatal Occupational Injuries. The average yearly worker death figure is 121 over a 10-year period, from 2005 to 2014. Distracted driving gets much of the blame for work zone accidents, since motorists have multiple attention-getting options in their
A California Department of Transportation (Caltrans) worker protected by a Balsi Beam system. The system, named after a Caltrans worker killed in a work zone, is a portable double beam barrier. vehicles. In fact, that variable is the focus of many national and statewide awareness campaigns. This year’s theme for 17th annual National Work Zone Safety Awareness EquipmentWorld.com | June 2016 87
highway contractor | continued Week was “Don’t be THAT driver: Work on Safety. Get Home Safely. Every Day.” That driver, as the campaign describes via silhouette imagery, is the driver who texts, eats, puts on makeup or has a bout of road rage. Awareness campaigns, signage and fines for distracted driving can only do so much in minimizing work zone deaths and accidents. To help with this battle, the industry is turning to advanced systems featuring much of the technology behind the very things that distract so many drivers.
Smarter work zones One of the core elements of the Federal Highway Administration’s (FHWA) third round of the Every Day Counts (EDC-3) program is the Smarter Work Zones (SWZ) initiative. The goal of the initiative is simple: coordinate projects to minimize the impact of work zones and use technology applications to man-
age traffic in the work zone area. FHWA hopes the result is fewer disruptions to traffic, faster project completion times and improved safety in work zones. The initiative offers a series of webinars, training resources and other tools and will put on field
demonstrations in the coming months. The National Work Zone Safety Information Clearinghouse serves as the central location for these efforts, located at Workzonesafety.org/swz. The project coordination arm of the SWZ efforts essentially strives
Work zone reality
C
lose calls are all too common in road construction. Kansas DOT Hays Area Superintendent Max Dirks witnessed an incident when a large truck had difficulty stopping and nearly hit workers and motorists. “I warned the other flagman over the radio what was happening and then I dove into the ditch,” he says. “All I could think about was the eight KDOT equipment operators working on the bridge ... are they hurt?... are they alive?” “Work zone safety and awareness is important every day you drive.”
Dirks Photo: Kansas DOT
Caltrans
California Department of Transportation workers paving a section of I-80 near Gold Run.
88 June 2016 | EquipmentWorld.com
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highway contractor | continued to promote project planning and communication between local agencies that would have jurisdiction in a project area. Officials believe this coordination would eliminate a number of problems, such as last-minute realization of negative impacts of a project such as traffic disruptions. Agencies wanting to participate should review both the best practices of other agencies and “review their own practices to identify strengths and weaknesses,” says FHWA Office of Operations Work Zone Program Manager Jawad Paracha. The technology side of SWZ focuses on facilitating real-time traveler data, warnings for backups, dynamic lane merging, incident management, variable speed limits, automated enforcement, notifications for entering and exiting construction vehicles, as well as performance measurements. As broad-based as this sounds, the initiative has set a timeline of December this year for 25 state DOTs to incorporate these strategies into documentation and processes. It also seeks to have five state DOTs volunteer for pilot tests of the Work Zone Impact & Strategy Estimator (WISE). This software app uses traffic data to help estimate a project’s impact on traffic over a long-term period. FHWA is seeking a streamlined process for using work zone Intelligent Transportation Systems (ITS) technologies to minimize traffic impacts. Paracha explains: “We want it to be well documented so that it becomes standard practice in the agency.” Several states and municipalities already are incorporating effective project coordination and technology applications, according to FHWA. The Michigan DOT, for example, has developed a tracking process as a response to delays on I-94 caused by multiple work zones. Their focus had been on project deadlines, but
to move to a better overall project coordination, they began tracking the impact on traffic long the entire I-94 corridor and involving other agencies and private industries in the process. The Iowa DOT launched its Traffic Critical Projects program as a means of addressing traffic flow disruptions and improving safety. The initiative identifies work zones that need improved traffic management plans, which would include work zone ITS, changes in construction hours and traffic incident management plans. ITS equipment used in work zones includes cameras to monitor traffic conditions through a remote operations center. If an accident occurs in a work zone, dynamic message signs are used to communicate the incident to motorists, followed by notifications to first responders and traffic re-routing as identified in the traffic management plan. Iowa DOT and the Iowa State University Center for Transportation Research and Education are also working on tools to analyze data collected by the current system.
actually provide the warning to the worker themselves,” Martin says. Testing for the car side of the project involves driving a vehicle near vest sensor on the dedicated smart road test track at the Virginia Tech Transportation Institute. For the worker side, Martin and his students placed individuals wearing the vest in a lab and asked them to conduct physical and cognitive tasks. Then the subjects were exposed to loud noises and flashing lights while working on their tasks. “To the extent that we can in a controlled environment, we try to recreate the mental situation
Alert systems Planning and coordination efforts hit the big picture objectives, but the crux of keeping workers safe lies on technologies at the ground level. Two projects currently at the research and development stage could potentially offer direct impacts directly in the work zone. Virginia Tech professor Tom Martin, who researches wearable technology in his role at the university’s Bradley Department of Electrical and Computer Engineering, is working on a project dubbed the InZoneAlert vest. Sensors in the vest would alert a worker when a vehicle comes in close proximity. Conversely, the driver of the vehicle would be alerted if it they were close to striking a worker, much like current collision avoidance systems. “We’ve been working on trying to figure out the best method to
rian Gray, president of Knife River Corporations Northwest Region says safety isn’t about numbers or statistics, it’s about lives. “I’ve lost two coworkers to work zone fatalities. My teammates. They were doing their jobs safely. They were doing their jobs the way they had been trained. They had years of on-the-job experience. They had their safety gear on. They had their construction signs out. They had their warning lights on. They were focused on doing their jobs safely, just the way they had been trained. But unfortunately, their lives were taken prematurely. Their families were devastated because distracted drivers were not paying attention while driving through construction work zones.”
Work zone reality
Gray
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Photo: Oregon DOT
EquipmentWorld.com | June 2016 91
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highway contractor | continued
Truck mounted attenuators Autonomous vehicle technology isn’t at a critical mass, but it has been developed enough to be used as a potential life-saving application through truck-mounted attenuators (TMA). TMAs are not new to work zones; they use what are essentially giant shock absorbers on the back of truck, designed to take the brunt of a vehicle strike. They’ve been helpful in reducing the severity of work zone crashes, including reducing deaths, but they are inherently dangerous to one particular person – the driver. Royal Truck & Equipment, based in Coopersburg, Pennsylvania, has developed an autonomous TMA (ATMA) using driverless technology from Micro Systems in Fort Walton Beach, Florida. This ATMA is a “leader-follower” system, with the driverless vehicle, mounted with the attenuator, following another manned vehicle. “Imagine being the driver of a truck that’s meant to be crashed into,” says Strategic Account Director Andrew Roberts. “It’s not the most enticing job. It’s hard, espe-
priorities, but Roberts is periodically meeting with other agencies across the country, as well as having discussions with FHWA. “There is a good chance that this may be the first fully autonomous vehicle that makes it on the roadway legally, because it has a low speed of 5 to 10 mph, it’s in a semi-protected environment, and the application is safety related,” Roberts says.
Virginia Tech
cially after there have been hits or someone has been hurt, to get these drivers back behind the wheel of one of these trucks. The idea here is to remove the driver from that situation.” Roberts says real world testing for the vehicle is scheduled this summer with a construction firm based in Europe on a six- to seven-mile stretch of road outside of London. “This company has a research and development wing that wants to stay on the cutting edge,” Roberts says. “They also have a personal interest related to a fatality within the family of the company leadership who was killed in a work zone. Basically their feeling is if that technology had been available, the death could have been avoided.” Royal Truck also is working on setting up testing the technology with state departments of transportation. A previously announced pilot program with the Florida Department of Transportation has been put on hold due to agency
A mockup of the InZoneAlert vest tested on the Virginia Smart Road at the Virginia Tech Transportation Institute.
Royal Truck & Equipment
you would have on the roadside,” Martin says. “And this is just a first pass trying to figure out what’s the right sort of approach to put something in the vest. We’re also looking at lights, sounds and vibrations in vests as the best means of alerting a worker.” Martin says the application is ready, but what’s missing is the critical mass of cars with the receivers to make it work. “We’re looking out four or five years when forecasts show that most of the cars deployed at that time will have these collision avoidance systems in them, using GPS and dedicated short range communications systems. The idea is to leverage that technology to provide some additional safety to the workers on foot.”
Royal Truck & Equipment’s autonomous truck mounted attenuator. EquipmentWorld.com | June 2016 93
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final word | by Tom Jackson TJackson@randallreilly.com
A terrific construction talent pool you may be overlooking
R
ecently I struck up a conversation with two contractors while waiting in line at Lowes. The younger of the two had his own company but he had hired the older guy, as he said, “because he knows everything.” As it turns out, I hired them to help me finish a big remodeling project at my house. Sure enough, the old guy was a fountain of construction knowledge. The young guy was plenty competent, but the old guy had 50+ years of experience stored up in his head and hands, and it showed. Tellingly, he had a cell phone, but did not bring it into the house. Given some familiarity with the tools and materials, most people can think through a construction task and get the job done. The difference between them and the more experienced worker is the latter is going to get it done faster, more efficiently and usually better. Unfortunately, the construction industry has been losing its veteran workers at an alarming rate. Nationally, construction employment is down nearly 20 percent since 2007. In California, the numbers are closer to 28 percent. Florida is down 40 percent and Arizona lost half of its construction jobs. Some 1.4 million people dropped out of the construction industry during the recession and have not come back. Considering the average age of a construction worker is now pegged at 42, it’s quite evident the industry is suffering a massive brain drain. In the book “Outliers,” author Malcom
98 June 2016 | EquipmentWorld.com
Gladwell claims that it takes 10,000 hours of practice to get good at anything. Gladwell cites the Beatles, who started out rough, but after years of woodshedding in Hamburg and Liverpool, found their groove. Likewise, the military knows it takes 10 years to turn a private into an NCO, and the same to turn a second lieutenant into a field grade officer. The same dynamic holds true for farming, medicine, teaching, writing, woodworking and construction. If you are a construction company owner, finding these older, experienced guys may take some work. And integrating older workers into your system will take some adjustments. Many will only want to work part time. But with these guys you’re not looking for muscle. You’re looking for brains and a smarter way to do things that younger workers – and maybe even some of your supervisors – have not figured out yet. But if you really want to get the best value out of the older workers you find, I suggest you pair them with the newest workers in the company. Some of your young people may have never had a strong father figure in their lives, so their work ethic and social skills may be lacking. We’ve all seen it before: a young person with a lot of promise, but has problems with showing up late, taking orders, resolving conflicts. Put these newbies with an older guy: somebody who is more like their grandfather than their boss, somebody with patience and life-wisdom. Then watch what happens.
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