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Cat Mini Excavator Operating Tips: Blade Positioning

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The Ditch Witch® SK752 mini skid steer is construction-grade, through and through

The Ditch Witch® SK752 mini skid steer is now available at Eagle Rental. A rugged design and durable build delivers outstanding performance on the toughest job sites. Add in an improved operator station with an extremely high and large stand-on platform, and you’ve got the comfort and ease of use you need for more productivity, job after job.

Efficient, low‐maintenance Kubota® diesel engines provide outstanding power for all machine functions—24.8 hp .

Standard hydraulic parking brake allows for easy engagement and disengagement.
Construction‐grade components built for long‐lasting, heavy‐duty operation.
PRODUCTIVITY
Exceptional power to the attachment provides unbeatable productivity; accepts dozens of attachments for a wide range of utility, landscaping, plumbing, and other underground construction tasks.
800‐lb rated operating capacity and an 83‐inch  hinge‐pin height enables more productive loading.
Advanced attachment latching system for simple, secure connections.
UNDERCARRIAGE
Low‐maintenance track tensioning system features a grease cylinder for easy adjustment and track removal, delivering longer life and minimizing downtime.
Innovative high‐drive track system features bolt‐on sprockets and wide track rollers for greater stability, longer track life and easy maintenance.
4.7‐mph  ground drive speed (in both forward and reverse) enhances job site efficiency and productivity.
The SK752 comes standard with tracks that are 42 inches (107 cm) wide, with optional 36‐inch (91‐cm) narrow tracks.

OPERATOR’S STATION

Two‐way auxiliary control foot pedal enables you to maintain hydraulic flow to the attachment, freeing up your hands to control depth and ground speed.
Customer‐driven control placement for optimized comfort and efficiency; the ergonomic operator’s station has standard dual‐lever ground drive controls, with an optional single‐lever joystick available.
The 74‐in platform is larger and provides more ground clearance than the competition’s; increasing operator comfort and stability while keeping the worksite visible. Single‐point, lockable fuel and hydraulic fluid tanks for improved security.
 
 
 
 

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Mercedes-Benz Stadium via Drone: Less Than One Year Out

Mercedes-Benz Stadium via Drone: Less Than One Year Out Mercedes-Benz Stadium will serve as the home of the Atlanta Falcons in addition to other sports.

Designed as a signature element rather than a utilitarian cover, the Mercedes-Benz Stadium’s retractable roof provides a radical departure from the kinetic roofs of other sports facilities. Derived from the shape of a falcon’s wing, a reference to the Atlanta Falcons NFL team, the roof features eight triangular panels that wrap the stadium and move in unison along individual tracks. This allows the roof to open and close like a camera aperture. Exterior lighting can easily change the color of the transparent facade.

The stadium interior offers fans an immersive, technology-driven game-day experience. A wide variety of seating options provide fans with varying ticket prices, vantage points, degrees of service and amenities. A 360-degree HD halo video board built into the roof offers fans clear views from every seat. Other amenities include a technology lounge, a 100-yard bar and a floor-to-ceiling window offering views of downtown Atlanta.

Designed for flexibility, the stadium can be quickly reconfigured to accommodate games for Atlanta United FC, the city’s new Major League Soccer franchise. Retractable seats surrounding the field allow fans to get close to the action for both soccer and football. Digital media platforms throughout the stadium offer flexible opportunities for teams and sponsors to display targeted programmable content on game days.

In addition to serving as an anchor for the downtown tourist and entertainment district, the stadium will catalyze changes in neighborhoods surrounding the development. The project team’s focus on sustainable design, construction and operations extends into the community through the creation of urban farming and open recreation spaces.

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Watch How 14,260 Concrete Segments were Made for Seattle Tunnel’s Outer Wall

The replacement project focuses on the 2-mile-long elevated double-deck road originally built in the 1950s. Damage from a 6.8 magnitude earthquake in 2001 led to the need to stabilize and repair the structure and restrict heavy vehicle traffic.

Most of the existing bridge deck has since been replaced with new roads, and the viaduct itself will be replaced by the tunnel.

The 1.7-mile-long tunnel is expected to boast an inside diameter of 52 feet (15.8 meters), allowing it to hold the planned double-deck roadway.

Bertha was out of commission since December 2013, when dirt got into a bearing, causing the machine to overheat and damaging the seal system after having only dug 1,000 feet.

The drill was returned to the access pit in August, after repairs were made to the cutter head, but the work to reconstruct the front shield and reconnect wires, hoses, cables and pipes was expected to take a few more months to accomplish.

In October, STP announced that repairs were taking longer than expected, and they pushed the restart date back to Dec. 23, a deadline they met.

STP and Bertha’s manufacturer, Hitachi Zosen, are responsible for the repair effort and schedule. Both parties insurance companies were also reported to be involved in a battle over who is liable for covering the costs of Bertha’s repairs.

The entire $1.35 billion tunneling project is expected to be complete by April 2018.

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116 Excavators Dismantle Bridge Overpass in Easy China

16 Excavators Dismantle Bridge Overpass in Easy China.

On August 26, construction workers conducted a marathon project of destruction, bringing in 116 trucks to remove a 1,640-foot, two-lane overpass in the eastern city of Nanchang. The excavators lined up in two rows — one on either side of the road — and chipped away at the bridge in complete unison.

 According to China’s state broadcast network CCTV, the project started at 10:30pm, and the main structure of the overpass was demolished by the end of the night. The full demolition and removal process lasted just 56 hours, and the bridge was reopened to the public again on Monday morning.

CCTV reports that the roadway was removed because of its narrowness — the upswing in car ownership in China has made it hard for bridges to accommodate enough traffic. The overpass also needed to be demolished to make way for a new subway system.

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MidAmerican Energy Company Assembles 379-ft. Concrete Wind Turbine

MidAmerican Energy is testing an advancement in wind tower design and construction using reinforced concrete these towers reach new heights and potentially new wind resources at 379 ft. from ground to hub, the concrete turbine is more than 100 ft. taller than its neighboring turbines constructed with steel towers see how they construct this wind tower.

Iowa, which already gets more of its power from wind than any other U.S. state, will become more reliant on the electricity source under a $3.6 billion plan announced Thursday by a utility owned by Warren Buffett’s Berkshire Hathaway Inc.
MidAmerican Energy Co. said Thursday that it is planning to build up to 2,000 additional megawatts of wind turbines with a goal of generating 85% of its power from wind. The company, based in Des Moines, will use renewable-energy tax credits that Congress extended last December to make the project economically feasible, said MidAmerican Chief Executive Bill Fehrman.

“Because of the tax credits and our ability to deliver these projects at a low cost, we’re setting up our customers for a low-carbon future,” Mr. Fehrman said in an interview. “Whatever happens with carbon regulations…we will be able to meet those requirements without additional costs for customers.”

Thirty-one percent of the power in Iowa is now generated by wind, more than in any other state, according to the American Wind Energy Association, an industry group. MidAmerican’s new project would boost wind’s share to 40%, according to the state.

In absolute terms, Iowa is the nation’s No. 2 wind-power producer, with 6,200 megawatts of wind turbines, behind Texas, according to the group.

MidAmerican is the biggest wind-power producer among regulated utilities nationwide. The company already operates nearly 3,500 megawatts in Iowa, or about 58% of the power it supplies its customers in the state. Parent company Berkshire Hathaway is the third-largest wind-farm owner nationwide, behind NextEra Energy Inc. and Iberdrola SA.

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NEW 2016 MODELS MADE SPECIFICALLY FOR THE U.S. MARKET

Dieci United States LLC is the new exclusive importer and distributor of Dieci products for the United States and Puerto Rico.

In addition to offering over 110 fixed-boom telehandler models/configurations (ranging from 5,000 lbs. to 46,000 lbs. capacity), Dieci’s normal products range from telescopic wheel loaders to site dumpers, and rotating telehandlers. Dieci United States will be bringing in four telehandlers designed specifically for the U.S. market.

The four new telehandler models are the A 55.19 (5,500-lb. maximum capacity, 19-ft. maximum lifting height), the Z 7.42 (7,000 lbs., 42 ft.), the I 9.44 (9,000 lbs., 44 ft.), and the I 12.56 (12,000 lbs., 56 ft.).

Three of the four new U.S.-focused models are expected to be available in the third or fourth quarter of this year. The fourth model will be released in early 2017. All four models will meet ANSI standards and be UL certified

DIECI has been producing telescopic elevators since 1983 , (the first in Europe) and cement Truck mixers since 1962 and has thus accumulated a great deal of experience in the manufacture and construction of machines (agri machine, mixer, dumper, telehandler) designed specifically for use in industrial, building and agricultural sectors.

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Aerator Technology: Changing the Way Landscapers Determine the Best Machine for the Most Productivity

The essential element to proper maintenance and growth of your lawn and turf is healthy soil.
One of the most effective ways to promote this is to conduct scheduled core aeration.
While much depends on the type of grass, soil and the utility of the space, there are a number of
core aeration options available. To determine which aerator is best suited for the task,
professionals need to assess their needs based on the types of lawns being serviced, e.g.
residential versus commercial, the cost of the equipment weighed against the cost of the
service, and how many lawns will be serviced and how often.

There are two primary types of aerators: drum and cam, or piston, units. The main difference is
how their tines are driven as well as hole spacing. Drum-type aerators have a tine wheel that
rotates and rely on weight for tine penetration and offer a fixed hole pattern. Cam units are
driven by a camshaft that reciprocates and drives the tines up and down into the soil. Cam
designs can produce denser hole patterns if the speed slows. And cam designs have less tines
than drums.

Drum Aerators – The traditional technology

Drum aerators can be mechanically driven or towable and have a fixed-hole pattern typically of
4-6 holes per square foot. Walk-behind drum aerators are operated in a fixed pattern, back and
forth on the lawn and cannot be easily turned in the ground. They require the operator to
disengage the tines from the turf with the handle to prevent damaging the turf.

However, rather than lifting the handles, which can be difficult and time consuming with some
designs, operators tend to lift and spin the unit for each turn. Most units even require added
weight bars in dry conditions to help improve the outcome. Since these units rely on weight to
drive the tines, they require more physical exertion when lifted. Users must lift up on the
handles to get the tines off the ground, turn the unit and put it down. If not done properly, this
method can result in the topsoil being disrupted.

Some units feature freestanding outside wheels to help facilitate turns, but they’re still
somewhat difficult to maneuver. Wider spilt-drive systems yield better results that can improve
in-ground turning further, but at additional cost.

For larger properties, a towable drum unit can cover more ground, and some models feature
wings that can flip up to achieve variable widths. One such unit is the Billy Goat AET60. To
increase maneuverability, the AET60 also features swiveling tine assemblies, and when used
with 3-point hitch, allows the unit to turn easily.

For either type of drum unit – walk-behind or towable – one variable will dictate the depth,
quality and consistency of the core: the amount of moisture in the soil. Dry, compacted soil is
difficult to penetrate to the necessary depth with a drum unit, making access to the root system,
reducing thatch and opening up the soil for additional nutrients, or preparing a seedbed for
overseeding somewhat challenging. Drums are the traditional technology of the industry and
are cost effective. They handle rolling terrain well but can be challenging with regard to
operator ergonomics as well as hole quality in dry conditions.

Cam/Reciprocating Aerators – New technology

Cam-driven reciprocating aerators offer a number of benefits to traditional technology, but
must be weighed against certain challenges. For example, non-hydro drive units may operate at
slower speeds than drum units and are better suited for level lots, however, the ability for the
cam to drive additional hole quantity and quality cores even in drier soil, since it does not rely
on weight, is one of their advantages. For contractors, this often means less waiting on optimal
soil conditions to aerate, less call backs, and a better quality of job. Newer hydro-drive systems
have also improved speed and the ability to aerate hills, and in some cases also offer aeration in
reverse.

In addition, reciprocating aerators are easier to maneuver and have significantly less tines than
traditional units but produce more holes. These units offer in-ground turning that reduces
operator fatigue and the fewer tines mean less tine maintenance.

One recent development is variable aeration density (VAD) capability. Billy Goat recently
introduced this into their new AE1300H cam-driven model. This aerator produces 2-10 times
more holes than drum models in a single pass (8-48 holes per sq. ft.) and offers the ability to do
patch repair and seed bed prep in one pass by simply slowing down over bare spots. This
eliminates double or triple aerating with traditional fixed pattern aerators that have hole
patterns as low as 4 per sq. ft.

Jon Cundiff of Weedman in Lee’s Summit, MO, was part of the test and development team to
create on the AE1300H aerator. He says, “Before Billy Goat even started we told them this
future unit had to be faster, low service, include in-the ground steering, be able to do patch and
repair work in one pass, and be user friendly.”

“Our crews tested the prototype hard for an entire aeration season. After a couple hundred
aerations, we found this machine exceeded our commercial design expectations, gave us the
increase in productivity we were looking for, and the crew loved it.”

One trend that Cundiff noted was the increase in ride-on drum units but, only for larger
properties. A 1/4 to 1-1/2 acre property is too small to see a benefit for the much larger cost of
a dedicated ride-on unit. One way to achieve the increased productivity without the high price
tag is the option to add a chariot or sulky when doing larger properties.
Whichever aerator is best-suited for professionals, they should visit their local outdoor power
equipment dealer to explore all of the traditional and newer technology options available.

-Pierre Pereira, Billy Goat Industries
Pierre Pereira is Director of Sales at Billy Goat Industries. He came to the company in
August of 2007. Pierre’s background in lawn and garden power equipment not only
encompasses deep understanding and knowledge of customer needs across multiple
markets, but also includes his own experience as a Landscaper in his earlier days,
earning his way through college.

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CRAWLER CRANE COLLAPSES IN NYC, KILLS 1

A crawler crane fell over in lower Manhattan, killing one pedestrian and injuring three others. The boom measured about 565 feet, with a 330-ton capacity, and was being used by Galasso Trucking & Rigging. Bay Crane owns the crane. An extension to the boom had been added the day before, although it is unknown whether the machine actually made lifts with the extension prior to the accident.

A crane’s boom crushed cars parked along Worth Street, in the city’s Tribeca area. According to Mayor Bill de Blasio, winds of 20-mph were reported, and the crane operation was limited to 25 mph. The investigation is ongoing, including an interview of the crane operator.

 Streets will reportedly be closed for several days as damaged buildings are inspected; all tower cranes in the City were shut down.

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