1 each - Rock Systems Portable Blending and Mixing Plant complete as follows:
a. Each hopper is 8'-6" wide x 14' long with 17 tons storage capacity constructed from 1/4" thick steel plate with reinforcing at the hopper top and mid-section; self-relieving tapered hopper bottom opening to minimize bridging; full length skirtboards with adjustable rubber flashing to prevent leakage between hopper bottom and belt feeder; adjustable discharge gate with crank handle to control material flow from each hopper.
b. Each belt feeder is 30" wide x 10' long with fixed speed Weg 10 h.p. electric motor, Dodge TXT525 shaft mount speed reducer, v-belt drive and OSHA drive guard; Dodge 12" diameter rubber lagged head pulley mounted on Dodge 2-15/16" SCM pillow block bearings; Dodge 12" diameter self-cleaning tail pulley mounted on Dodge 1-15/16" SCM pillow block bearings; screw take-up assemblies; OSHA tail terminal guard and side nip guards; ICC CEMA "C" flat belt idlers with 5" diameter rolls mounted on close centers; 3 ply vulcanized endless conveyor belting; Flexco Rockline belt scraper installed. Belt speed setup for 90 fpm.
c. Collecting conveyor is 36" wide x 40' long with fixed speed Weg 15 h.p. electric motor, Dodge TXT415 shaft mount speed reducer, v-belt drive and OSHA drive guard; Dodge 12" diameter rubber lagged head pulley mounted on Dodge 2-7/16" SCM pillow block bearings; Dodge 12" diameter self-cleaning tail pulley mounted on Dodge 2-3/16" SCM pillow block bearings; screw take-up assemblies; OSHA tail terminal guard; head pulley nip guards; ICC CEMA "C" 35o troughing idlers with 5" diameter rolls; ICC CEMA "C" return idlers with 5" diameter rolls; 2 ply conveyor belting with 3/16" x 1/16" rubber covers; Flexco 140 mechanical belt splice; Flexco Rockline belt scraper installed.
d. Pugmill Systems model 750 pugmill with twin 50 h.p. electric motors; twin shaft mount speed reducers; v-belt drives and drive guards; hi-chrome paddle tips which are reversible for wear; receiving hopper; contour liners; hinged cover over mixing chamber; liquid spray bar with 2" valve.
e. Portable trailer constructed of heavy duty wide flange beams which are braced for optimum rigidity; wide flange vertical beams and angle cross members tie all hoppers and trailer together; tandem axle chassis with dual 11 x 22.5 tires, air brakes, king pin, rear lighting, mud flaps and blocking pads; include walkway with handrails on both side of pugmill with access ladders.
f. Electric motor control panel with starters for all above electric motors and variable speed drives for the belt feeders pre-wired to each electric motor. Includes extra starters for one 10 h.p. off plant electric motor and one 5 h.p. off plant electric motor.
g. One rust inhibitor prime coat and one finish coat gray paint for all equipment; one finish coat safety yellow paint for all guarding.
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