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D’Ambra Equipment has been in business since 1996. Below is a list of some of our satisfied customers: 
Fort McMurray, Alberta, Canada Erie Strayer Model MG-11C portable central mix plant configured for high production paving projects discharging into end-dumps or simply loading transit mix trucks. This oil-sands project requires a batch plant that can easily do both in an extremely remote location. Included with the Erie batch plant is the container-type batch office, Command Alkon Eagle controls, R&S central baghouse, and Western Engineered Services portable feed conveyors.
Laveen, Arizona Cemex purchased our Erie Strayer Model MPB-11T transit mix plant which includes a 3-compartment aggregate storage bin with 2,350 bbl (9,400 cu.ft.) of storage capacity. Each of the compartments in the rectangular cement bin is gravity-fed into the cement batcher below, eliminating the need for screw conveyors. Double wall divider assures that material contamination between compartments will not occur. The 4-compartment aggregate bin is fed by four conveyors which automatically refill the plant’s bin when needed. Holding hoppers for the cement, aggregate and water load the trucks while the next load is weighing up in the batchers.
Click on an image to enlarge Shamrock Materials Napa, California D’Ambra Equipment added 550 tons of aggregate live storage and feed conveyors to their existing transit mix plant. Bin level indicators in the batch plant’s storage bins automatically start/stop the four feed conveyors as needed. Shamrock’s existing radial stacking conveyor was relocated to feed the new R&S storage bins.
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Phoenix, Arizona D’Ambra Equipment replaced their existing REX 10 cu.yd. drum mixer with a new Erie Strayer 12 cu.yd. mixer with polyurethane liners, hydraulic package, drive-thru supports, and tie-in to the customer’s existing baghouse. We also provided a new discharge hood on the REX plant to feed the new Erie mixer. Concrete foundations, driveway, and equipment erection was handled by our erection crew.
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CEMEX (RMC)
Cemex’s Erie Strayer Model MCG-11 portable transit mix plant is currently operating at the new San Francisco/Oakland Bay Bridge project. Cemex is providing concrete to the general contractor, Kiewit Pacific. This portable plant is configured with the capacity for three separate cements for bridge work in California.
Click to enlarge VULCAN MATERIALS (Cal Mat) Bakersfield, California Below is a 12 cu.yd. Erie Strayer central mix plant with 290 cu.yds. of aggregate storage and 2-compartment 1150 bbl (4,600 cu.ft.) cement storage. This plant is configured for transit mix truck drive-thru or back-in from both sides and front. The baghouse is cantilevered from the plant’s cement silo frame.
Click to enlarge Arizona Materials Phoenix, Arizona Arizona Materials is operating a 12 cu.yd. Erie Strayer Model MG-12C stationary central mix plant with a 215 cu.yd. aggregate bin and 2-compartment 935 bbl (3,740 cu.ft.) gravity feed cement silo. The plant’s aggregate bin is automatically fed from four ground storage bins as needed. Configured for transit mix truck drive-thru loadout or back-in from either side.
Click to enlarge A.S. Horner Albuquerque, New Mexico
Erie Strayer MG-11C portable paving plant at Kirtland AFB where A. S. Horner provided concrete for military projects. This very portable high production paving plant is configured to load transit mix trucks, end-dumps, or belly dumps and is rated at 300 cu.yds. per hour.
Click on an image to enlarge Olaf Thronas Kauai, Hawaii
To save equipment and overseas shipment costs, D’Ambra Equipment used the customer’s existing cement silo on this plant. D’Ambra Equipment provided the batch plant, baghouse, computer controls, and aggregate feed conveyors.
Click to enlarge Builders Concrete Fresno, Merced and Bakersfield, California
D’Ambra Equipment provided and installed two 1,050 bbl auxiliary cement silos with 75 HP transfer blowers for each facility. The silos automatically fill the batch plant’s main silos as needed. Also upgraded the silo filter vent systems on the batch plant silo to handle the high capacity blowers.
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Tucson, Arizona Sundt is using their Erie Strayer Twin Drum Plant (Model MG-11C-T) for their Davis Monthan AFB project south of Tucson. Work at the Air Force base included a new taxiway and apron work. This plant production averages 550 cu.yds. per hour each day with some hourly runs reaching 640 cu.yds. per hour. This plant is moved to different locations in the Southwest for similar projects. Sundt moves their Erie Twin Drum plant all over the southwest for similar projects. Their work at the air force base includes a new taxi-way and apron work.
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San Diego, California
Vulcan purchased an Erie Strayer Model MG-11T transit mix plant equipped with 12 cu.yd. cement and aggregate batchers. This all gravity feed plant (no screws) includes a 4-compartment 100 cu.yd. aggregate bin with hinged sides and a 715 bbl (2,860 cu.ft.) 2-compartment cement silo split 2/3 – 1/3.
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