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.� <br />SAN JOAQUIN COUNTY JAIL LOCATED AT 7000 MICHAEL CANLIS BLVD HAS <br />PROBLEM OF RAINWATER SEEPING INTO EMERGENCY GENERATOR <br />UNDERGROUND STORAGE TANK PIPING SUMP DUE TO DETERIORATION OF <br />THE ASPHALT SUPPORTING THE SUMP MANHOLE COVER AND ANNULAR <br />SPACE SENSOR BOX. <br />SCOPE OF WORK: <br />SAWCUT, DEMO, AND DISPOSE OF 8'X 8' AREA OF DETERIORATED <br />ASPHALT AND EXISTING PIPING SUMP AND SENSOR MANHOLE COVERS; <br />EXTRACT DIRT AND DEBRIS FROM TANK TOP AREA; BACKFILL WITH PEA <br />GRAVEL OVER TOP OF TANK; INSTALL AND RAISE TO ABOVE GRADE, NEW <br />PIPING SUMP MANHOLE COVER (SEE ATTACHED SPEC SHEET); FORM AND <br />POUR 8'X 8'X 8" CONCRETE PAD USING #4 REBAR ON 12" CENTERS EACH <br />WAY. <br />PERFORM TANK TIGHTNESS TEST USING THIRD PARTY TESTER IN <br />COORDINATION WITH SJC-EHD. <br />