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SCORE 56 20 K St Nw, Washington, Dc 20006 We will perform three manual hand-auger borings with wildcat dcp -wdcp- testing within the basement level of the existing building. The wdcp and hand-augers will be extended to depths on the order of 15 feet below the existing exposed basement elevation. The hand-augers will generate an approximately 6-inch annulus. Upon completion of drilling operations and prior to demobilizing from the site, the geotechnical borehole will be backfilled with a bentonite slurry that has a mix design of two pounds bentonite powder to one gallon of water. ![]() ![]() Permit type: Miscellaneous | Permit status: Permit issued | Permit id: Sb1400190 |