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Data collection vehicle
 Foundation Mechanics has combined ground penetrating
radar and falling weight deflectometer data collection and storage into one
vehicle. The company integrated the RoadScan GPR system from Geophysical
Survey Systems into its trucks to collect and store pavement thickness
information at each FWD test location. The average difference in thickness
between the physical core and the GPR thickness measurement was less than
4%. The GPR system is fully FCC certified.
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Superpave gyratory compactor
A new testing product from Pine Instruments, the
AFG2 gyratory compactor, has a built-in angle measurement capability that
operates using either an internal or external mold angle. Throughout the
entire compaction process, the angle is displayed on the screen along with
the consolidation pressure, gyration number, and specimen height. The
compactor was designed to account for frame compliance and compensates for
varying mix stiffness. It internally stores results from 20 previous tests,
including gyration number, specimen height, angle of gyration consolidation
pressure, and sheer per gyration (optional). Up to 250 mm of loose hot-mix
asphalt can be placed in the tall molds prior to compaction, allowing the
unit to make both 115-mm Superpave volumetric specimens and the 170-mm
specimens required for performance testing.
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Balloon lighting system
 The new Moonlight glare-free lighting systems from
Multiquip eliminate the fans required to maintain air in other balloon
lights. The balloon inflates in seconds; a simple plug maintains air
pressure and protects the light. The lights have a maximum height of 10
feet; are available in 150-, 400-, and 1,000-watt outputs; and illuminate
areas up to 100 feet away. Features include bulbs that last up to 10,000
hours; durable water-resistant PVC material; and a compact design that stows
away into a protective case when not in use. The lights are stable in winds
up to 55 miles per hour. They set up in minutes and are available in
convenient push cart, wheeled stand, and tripod stand configurations.
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Back-pack vibrator
Stow Construction Equipment’s new, lightweight
back-pack vibrator allows contractors to carry the unit around the job site
without dragging electrical cords. The flex-shaft BP25H is powered by a
2.5-horsepower Honda gasoline engine and weighs only 24 pounds. It features
a swivel shaft connection, quick disconnect knob for easy shaft removal, and
built-in oil shut off. The unit is offered with 11 heads — seven steel and
four rubber — ranging in diameter from 0.875 to 2.75 inches with a maximum
length of 17.75 inches. Flexible shafts are from 2- to 21-feet long.
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Manhole cover lift
American Highway Products’ EZ-Lift was designed to
unseat and set down manhole covers in one smooth motion. No bending,
straining, or getting hands dirty. The tool is durable, lightweight, adjusts
to lids that are 22 to 26 inches in diameter, and cleans inside the ring for
a proper lid seating.
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Hydraulic post pullers
The new LPP 10 HD post puller from
Atlas Copco is
strong, lightweight, and ideal for removing posts of varying sizes and
shapes. Capable of 6 tons of hydraulic pulling force, the puller can remove
any pole, steel beam, or tube with a diameter up to 8 inches. For difficult
poles, the puller features a built-in manual leverage function to increase
pulling force to 10 tons. The 132-pound unit features a stroke of 8 inches,
integrated hardened jaws for clamping to poles, and a newly designed
automatic chain-tightening function to ensure grip. The puller comes with a
standard 3.3-foot steel chain and a hand lever with an extension rod. Two
support legs prevent the unit from sinking into soft ground.
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Stump grinder
trailers
 Bandit
Industries designed two new custom trailers to accommodate their
self-propelled stump grinders, model 2100 and models 2800SP (shown) or 2900
track. The trailers include a convenient pinning device to secure the
machines and loop rings for chains and binders. Both trailers incorporate
heavy-duty torsion axles for a smooth ride. The model 2100 trailer comes
with a 3,500-pound torsion axle; the model 2800SP trailer comes with a
5,200-pound axle and includes electric brakes and a breakaway actuator.
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Rotary cutter
 The new XH1500 Series 3 Rotary Cutter from
Schulte
Industries has a single-domed, sweep-clean deck design that eliminates
debris build up and prevents rusting on the top side of the deck. The
0.25-inch-thick stump jumpers with patent-pending Pentagon Blade Bolt design
allows cutter sections to ride over obstructions. Blade to deck contact is
prevented by 0.375-inch-thick formed deck-protection rings.
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Total station series
 A new total station series from
Topcon is designed
for construction layout and other jobsite positioning tasks. The CTS-3000
series features onboard software that simplifies staking and an extended
keyboard for easy operation and data input. The unit is designed to carry
grades, set or maintain control, or perform layout quickly and easily. The
system can be operated with a handheld data collector such as Topcon’s
FC-100. The instruments have rugged and weatherproof housings to protect
internal components.
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Wood mulching/land clearing
 The redesigned
Morbark Model 4600XL Track Wood Hog
combines rugged durability and high horsepower with the transportability of
smaller machines, meeting road weight requirements. The 82,000-pound
machine’s hammermill is 14% larger than its predecessor, increasing the tip
swing to 36 inches. A new infeed extension folds flat to assist with
processing longer tree-length material and folds up for better containment
in regrind applications. Its Iqan Feed System boosts production levels by
providing a consistent feed and minimizing downtime. This easy-to-operate
programming tool allows the operator to quickly adjust feed systems from the
control panel to obtain maximum production rates while keeping the engine
load constant.
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New colors in reflective film
Oracal USA announced two new colors, turquoise and
violet, in their Oralite Series 5700 Engineering Grade Reflective Film and
Series 5500 Commercial Grade Reflective Film. Both weather-resistant,
5-mil-thick films are thermal-print compatible and feature a permanent,
solvent-based adhesive and 84-pound PE-coated paper liner. The 5700 offers
an outdoor durability rating of seven years, while the 5500 offers a rating
of five years. Their impact- and scratch-resistant surfaces and flexibility
make them perfect for safety markings and construction, streets, and general
signs.
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Hydraulic post drivers
 Atlas Copco’s two new hydraulic-powered post drivers
are capable of producing 1,500 blows per minute. The 68-pound LPD-T provides
the operator with hands-on control of the unit; the 64-pound LPD-RV with
remote valve activation enables the operator to engage the unit from a
switch in the hydraulic line. The drivers can be used on open-center
hydraulic systems, or on closed-center hydraulic systems using the remote
control valve.
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Scoop snowplow
The concave shape of the
Hiniker Scoop
Plow provides great capacity, little spillage, and fast, efficient plowing.
The plow has a 20-degree fixed-angle outer end to help capture snow and can
angle left and right for conventional plowing applications. Available in 8-
and 9-foot lengths, the plow features a high-impact polyethylene moldboard
that creates a low-friction, corrosion-free plowing surface. A three-section
trip-edge with a 9-inch-high pivot point provides maximum protection from
high obstacles such as curbs and parking barriers; each section trips
separately.
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Truck-mounted slump control
RS Solutions, in relation with McNeilus, has
introduced the first truck-mounted process control system that can measure
the slump of concrete while it is in the mixer. ReadySlump will adjust the
amount of water in the load so that it arrives on site at the proper slump
without driver intervention. All water additions are documented on a
transaction log for each delivery.
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New herbicides
A new family of herbicides from Nufarm includes four
new products, two products of which are targeted at non-crop areas such as
highway rights of way, railroads, non-irrigation ditch banks, and other
similar areas. Polaris Herbicide is a broad-spectrum product for the control
of undesirable grasses, broadleaf weeds, and many brush and vine species.
Polaris RR herbicide is a two-pound product for aerial or ground spray
applications to obtain bare ground and brush control in railroad
environments.
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Aggregate imaging system
Pine Instrument’s new Aggregate Imaging System is an
automated aggregate analysis system that offers three tests in one. Using
image-based particle characterization, it provides a unified way to measure
angularity, shape, and surface texture. The system’s light table
accommodates up to 50 coarse aggregate particles or hundreds of fine
particles at once. Automatic camera movement scans the entire surface,
individually characterizing each aggregate particle. The system is immune to
operator interference — automatic zoom and illumination controls eliminate
any bias due to particle size or color.
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Vibratory plate compactor
 MBW’s new GP3550 vibratory plate compacts at 110
feet/minute. In comparison to their GP3000, amplitude increased by 10%,
operating weight decreased by 15 pounds, and hand/arm vibration is down
roughly 70%. The deck features a full roll cage as standard equipment with
an optional water tank for asphalt compaction. The base plate is
self-cleaning with an open-sided plate design that allows material to flow
out and away from the belt/pulley assembly during operation.
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Solar LED crosswalk beacon
 A new ultra-compact solar LED pedestrian crosswalk
beacon from Carmanah is compact, energy-efficient, and cost-effective. The
R820C can be mounted high above the sidewalk, out of the path of pedestrians
and out of the reach of vandals. With no trenching, cabling, grid-power
hookup, or disruption to traffic flow, it installs in minutes onto any
existing sign post for a fraction of the cost of traditional hardwired
systems. The beacon is entirely self-contained and operational benefits
include no bulbs to replace for the life of the unit, as well as no
scheduled maintenance or servicing for up to five years, at which point only
the battery pack may need exchanging.
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Reprinted from Better Roads Magazine
May 2006 |
