Aggregate & Recycling Section

LEVEE from page 1

“One of the interesting things about the project is that we are building a levee in a swamp,” said Bradley Drouant, civil engineer and manager of what the Corps of Engineers calls the West Shore Lake Pontchartrain project. “It is an incredible and challenging undertaking. The levee is being built in an area of weak soils that nothing has been built on before. It’s a unique challenge for us.”

The wetlands become a flood zone when hurricane counterclockwise winds push up against the southwest side of the lake and send sheets of water into the adjacent marsh and residential areas beyond. This surge often occurs after frontal winds of the hurricane have passed, so the area is battered twice, by wind and then by water.

The Corps project eventually will shelter the area from the water by constructing 18 mi. of levees and flood walls. The structures will ramble north and then west, effectively separating threatening lake waters from the populated and builtup parishes.

Sounds like a simple fix. It isn’t. **

The swamp through which the U.S. Army Corps of Engineers will construct levees is a combination of privately owned land and similar water-saturated property controlled by the Louisiana Department of Wildlife and Fisheries. The land generally features 1 ft. to 1.5 ft. of water and thick stands of deciduous trees, primarily cypress.

Because the path laid out for the levees and walls is a mile or more from a highway, the proposed work sites were virtually inaccessible. To bring in people and equipment to build the levees, roadways were first constructed.

A total of 12 mi. of access roads were formed. Crushed limestone was laid on a heavier base to bring the surface of the road 4 or 5 ft. above standing water — hence, their description as “land bridges.” That phase of the site preparation alone cost $13 million.

Heavy equipment then was brought in — mostly dozers and excavators, some of the latter riding on oversized tracks to allow the machinery to traverse the saturated ground through standing water. A preliminary 100-ft.-wide path was cleared of trees, with the timber burned and stumps uprooted. Ultimately a path 400 to 500 ft. wide will be cut through the virginal cypress forest.

Levees will be constructed in three stages over six to nine months to ensure complete settling of the soils hauled to the project. The levees will vary in width at the base — from 120 to 200 ft. wide, depending on soil conditions — and the first stage will rise 6 ft. Another 6 ft. will be added in a second stage and that will be capped with a final 1.5 ft. of dirt in a third construction stage. The 13.5-ft.-tall levee actually will be stepped down the farther west it runs, with the final section just 8.5 ft. high.

In all, some 6 million cu. yds. of earth will be trucked in to form the levees, a quarter of which will come from government-owned borrow pits. Two 2,000-cfs pump stations also will be constructed and installed. **

A 300-ft.-wide sand base is first being laid. Then a thick layer of clay will be spread and fill dirt dumped atop that. The first 3 mi. of sand work has begun, contracted to Phylway Construction of Thibodaux, La.

Because the soil upon which the levee will be built is saturated with water, it is unstable and prone to settling over time. To firm up the base, wick drains are being inserted — a total of more than 10 million linear ft. of drain. The vertical engineered drains are 4 in. wide with very narrow synthetic wicks encased in textile fabric that in turn is sheathed in long, hollow rectangular tubes. They are driven into the ground to various depths, anchored and the top end of the wick is laid on the surface of the sand layer.

The water is collected through the drains and drawn to the surface by the wicks, where it can be drained away from beneath the clay fill. The result: Soil beneath the levee is firmed and stabilized.

“We’re not anticipating any problems with the sand and drain work,” said Drouant, a 13-year employee of the Corps.

Concurrent with the levee construction will be excavation and forming of 46-ft.-wide canals. They will function as a drainage structure for the area after normal rains but will be gated off during a hurricane to prevent flooding.

The levee, flood wall and canal construction work will proceed simultaneously along the length of the project.

“We anticipate almost all of it will be under construction at the same time with contractors set up to meet at specific locations,” Drouant said.

Assigned segments of construction are being worked out, but there will be about a dozen sections in all.

Three other segments on the west end of the project have been farmed out to the state of Louisiana, though they are being designed according to Corps of Engineers specifications. The state was given responsibility for them because the structures are within the scope of a separate construction project to revitalize Maurepas Swamp, which borders the West Pontchartrain target area.

Because of Mississippi River levees and urban development, Maurepas Swamp has been deprived of oxygenated water it once received from the river during flood stages. To mitigate that, a rip-rap-lined canal is being constructed. Through it, diverted river periodically will be directed to the swamp to replenish it with oxygenated water, sediment and nutrients.

“Our project coincided with the diversion project, so it only made sense for the state to oversee the levees situated nearest its project,” Drouant said.

USACE photo The whole levee-wall project is scheduled to be complete sometime in 2026 at a cost of $760 million. Earthmoving and construction should continue yearround, with spring and early fall months being optimum work periods.

EXPO from page 45

The Avant 650i combines power, lift capacity and professional hydraulics in a very compact package. It’s equipped with a stump grinder attachment, one of 200 different attachments available from Avant. Ideal for landscape, hardscape and tree care jobs, the Toro TX 1300 brings a new combination of power, reach and convenient control to the Toro Dingo lineup. The machine is shown with the available branch manager grapple. The SENNEBOGEN booth featured the manufacturer’s best-selling machines.

SENNEBOGEN from page 45

“The machine has a fixed head, which makes it so you can cut the piece and hold the piece upright or sideways and you have full control over the material you are handling,” he said. “Most tree machines have dangle heads, so when you cut the piece, you can hold onto the piece, but you don’t have control of where the top of the tree goes, making it a safety hazard.”

Oneppo added that the 718E sports an Albac cutting head “that comes with the machine when you buy it and it’s a 360-degree rotating head … it’s a grapple with a saw.”

Mazio XL Offers Six Breaker Models for Demanding Apps

The heavy-duty XL Series of hydraulic rock breakers from Port St. Lucie, Fla.-based Mazio Attachments LLC performs in the most demanding applications — from quarries and mining, to tunneling and trenches, to demolition and more.

Designed for carriers from 1 to 140 tons of operating weight — including mini excavators, skid steer loaders, backhoe loaders and excavators — Mazio XL breakers will withstand the brutal conditions faced in these applications, providing reliable performance day in and day out, according to the manufacturer.

Mazio hammers feature a closed case built from 100 percent Hardox steel to protect the body from wear and impact. In addition, a number of standard features also lend to the breakers’ durability, including antiblank-fire technology, which minimizes wear; an energy recovery system that reduces the required oil flow; and the breakers’ double-damping system that results in less vibration.

Variable impact speed and power can be manually tuned using an Allen tool, allowing the operator to adjust the breaker for correct productivity. A lower breaker speed provides greater power, while higher speed reduces the power, depending on the application needs.

All Mazio breakers come with a five-year warranty. They also are available with the company’s vibration-activated digital hour meter, which accurately measures the tool’s operational hours, differentiating from the carrier hours, ultimately providing better tracking for preventative maintenance activities and billable hours.

A 12-year integrated, sealed battery powers the meter as it automatically and autonomously tracks the tool’s impulse during operation, calculating its true work hours. A fiberglass-reinforced heavy-duty rubber case protects the meter from harsh working environments.

Mazio offers six XL breaker models for 30- to 140-ton mining-duty excavators, with tools ranging from 3.4 tons (3 metric tons) in weight and 9.8 ft. (2,980 mm) in length to 11 tons (10 metric tons) in weight and 16.4 ft (5,000 mm) in length. For excavators 11 to 36 tons, five breaker models range from 1 ton (.9 metric tons) and 6.7 ft. (2,050 mm) to 2.6 tons (2.4 metric tons) and 8.7 ft. (2,650 mm).

For compact carriers, there are six breaker models available from 287 lb. (130 kg) and 3.2 ft. (990 mm) to 1,279 lb. (580 kg) and 5.9 ft. (1,800 mm).

Tool choices for Mazio XL hydraulic breakers include: • Cone-shaped tool for universal use in concrete and rock • Chisel tool for rock breaking, concrete demolition and asphalt breaking • Cylinder tool for drilling and concrete demolition • Moil point for universal use in concrete and asphalt • Blunt tool for demolition

Mazio Attachments LLC is an Italian manufacturer of specialized attachments for the construction, demolition, recycling, mining, aggregates, excavation, scrap and forestry industries. With engineering and manufacturing facilities located in the United States, Italy and Colombia, Mazio designs its distinctive purple attachments to work with all makes and sizes of carrier machine, from hydraulic excavators, skid steer loaders and backhoes to wheel loaders, tele-handlers and more.

Mazio attachments are available through a growing dealer network or direct, depending on location. The company offers immediate delivery for spare parts and service, and field training for operators.

For more information, call 561/766-0899 or visit www.mazio.us. 

Page 52 • December 14, 2022 • www.constructionequipmentguide.com • Recycling Section • Construction Equipment Guide Kleemann Designs EVO2 Generation Jaw, Cone Crusher for Sustainable Use

The optimized crusher direct drive of the new EVO2 generation from Kleemann.

(The Beast, Whole Tree Chippers, Sawmill / Chipmill Chippers, Track Carriers, Brush Chippers, Stump Grinders, Skid Steer Attachments)

TraxPlus

www.traxplus.com 9800 Hwy 503 ï Hickory, MS 39332 601-635-5543 2891 S. Frontage Road ï Columbus, MS 39701 662-368-3300 5122 Highway 98 ï Summit, MS 39666 601-600-7202

Kleemann’s jaw crusher MOBICAT MC 110(i) EVO2 and the cone crusher MOBICONE MCO 90(i) EVO2, with their efficient crusher direct drive, have a holistic drive concept that forms the basis for high cost-effectiveness.

Both machines of the new EVO2 generation are equipped with a power train. The crusher is driven directly, and thus with high fuel-efficiency, via a reliable fluid coupling. Conveying components, such as the vibrating feeder, the double-deck prescreen or the discharge conveyors, are allelectric.

A robust and easily accessible transmission guarantees efficient power transmission. It not only operates with a high level of efficiency but also has increased protection against dust.

The power and load-dependent fan drive also ensures low-noise and economical operation. Operation in ECO mode can additionally reduce fuel consumption as well as wear in idle phases.

The plants can be optionally equipped with a heat package (-15 to + 50 C) or cold package (-25 to +40 C). The cold package has an autonomous auxiliary heater with a convenient timer function.

Environmentally Sound Operation — Less Noise, Dust

In the new drive concept, the speed of the cooler fan and thus also the cooling capacity is controlled automatically, which considerably reduces the noise level. Apart from less dust penetration due to a lower volume of moved cooler air, work near to the machine is a lot more agreeable for the operator, the manufacturer said.

For the jaw crusher MOBICAT MC 110(i) EVO2, which is frequently used in urban environments, an optional noise protection package also is available. The considerably reduced noise level would even permit work without special ear protection — depending on the material to be processed, further environmental conditions and local regulations.

To reduce dust, the machines are equipped in the standard series, among other things, at the crusher inlet and crusher discharge conveyor with water nozzles and the corresponding technical infrastructure. As a result, an optionally available water pump or an external water source, if available, can be used. Optional belt covers also contribute to an improvement of the air quality during crushing.

These measures benefit the machine operator, the further peripheral devices on the work site, local residents and the environment.

For more information, visit www.wirtgen-group.com. 

In the new drive concept, the speed of the cooler fan and thus also the cooling capacity is controlled automatically, which considerably reduces the noise level.

Company Wrench www.companywrench.com 3729 N. Frontage Road ï Lakeland, FL 33810 866-294-6103

Stowers Machinery Corporation

stowerscat.com 6301 Old Rutledge Pike ï Knoxville, TN 37924 865-546-1414 10644 Lexington Drive ï Knoxville, TN 37932 865-218-8800 1825 Veterans Boulevard ï Sevierville, TN 37862 865-595-3750 9960 Airport Parkway ï Kingsport, TN 37663 423-323-0400 4066 South Access Road ï Chattanooga, TN 37406 423-698-6943 215 Interchange Drive ï Crossville, TN 38571 931-456-6543

Mason Tractor Company www.masontractor.com 5038 Buford Hwy. ï Norcross, GA 30071 770-582-0377 Blue Ridge, GA 706-632-3777 Cumming, GA 770-887-6119 Hiawassee, GA 706-970-3077 McDonough, GA 770-957-3370 Villa Rica, GA 678-952-2037 Perry, GA 478-987-1173

www.kellytractor.com

8255 NW 58th St 8255 NW 58th St Miami, FL 305-592-5360

801 E Sugarland Hwy Clewiston, FL 68633-983-8177

2801 Reese Rd Davie, FL 954-581-8181 9651 Kelly Tractor Dr Ft. Myers FL 9-23 693-9233

5460 Okeechobee Blvd West Palm Beach, FL 561-683-1231

www.stowerscat.com

6 63301 Old Rutledge Pike 9Knoxville, TN 3792 24 865-546-1414 10644 Lexington Dr Knoxville, TN 37932 865-218-8800

9960 Airport Pkwy 7Kingsport, TN 376663 423-323-0400 4066 South Access Rd 7Chattanooga, TN 374 406 423-69 69 943

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V1825 Ve eterans Blvd 6Sevierville, TN 37862 2 865-595-375 50 8-6

215 Interchange Dr Crossville, TN 38571 56-931-4 546 6543 3

www.yanceybros.com

300 Lee Industrial Blvd Austell GA 30168 8-678-71 6 65 500 T5905 Hubbard To own Rd. 84Cumming, GA 3002 47 707560-675 50

1604 South Slappey Blvd Albany, GA 229-435-6262 1025 Frank Amerson Pkwy Macon, GA 478-788-1773

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4165 Mike Padgett Hwy Augusta, GA 706-790-1300

370 Perry Lane Rd Brunswick, GA 912-265-5010

130 Robinson Rd NW Calhoun, GA 29(706) 6 77-0 0776 6

2946 Smith Rd Columbus, GA 06-7 6 65 53-0043

335-A Hurricane Trail Dacula, GA 770-963-6868 187 Interstate South Dr McDonough, GA 770-288-4000

1465 US 80 East Pooler, GA 912-964-7150

8555 Hwy 301 Statesboro, GA 912-871-6506

2966 US 84 V Vaaldosta, GA 229-242-8610

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