DEPARTMENT OF GENERAL SERVICES DEPARTMENT OF GENE; CHARLES FORD

6825 Georgia Ave Nw, Washington, Dc 20012
Propose to furnish and install five gravel packed wells. The wells will be installed by advancing a 8. 25 i. D. Hollow stem auger from existing grade to a depth of feet or refusal. All drill cuttings an investigation derived wastes from potentially contaminated sites or known contaminated sites shall be placed in a covered container and laboratory tested for offsite disposal by the contractor. At depth, a 5 inch sch pvc flush joint threaded well assembly with feet of . 0 slotted screen will be concentrically set into the borehole and select filter, placed into the borehole to a level 5 feet above the screen. A 3 foot hydrated bentonite pellet seal will be placed above the stone. Into each well will be installed a 1 hp turbine submersible pump with discharge riser, power cord, and lift cable to the surface. At the well head, a throttle valve and check valve will be located on the effluent line. Effluent from each well will be directed through a common manifold to a baffled settling tank an