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Apk <br /> MATCH EXISTING <br /> ,f AC WITH AC TYPE <br /> ' B MEDIUM TO MATCH <br /> EXISTING THICKNESS <br /> EXISTING (FIELD VERIFY) <br /> ASPHALT <br /> PAVING 2'-011 <br /> FILL WITH STATE OF CALIFORNIA CLASS 2 <br /> EXISTING �� AGGREGATE BASE AND COMPACT TO � 6" MINIMUM* <br /> SUBGRADE �/j AT LEAST 95% OF ASTM D1557-91 <br /> MAXIMUM DRY DENSITY. <br /> 8 MIN. SAND <br /> 14 MINIMUM* <br /> F- VEW 1 VFW2}'. VFW " VEW VEW ASP ---. <br /> 4' 2" MIN. SAND <br /> NOTES: <br /> *1. SET TRENCH DEPTH TO BEGIN 2' BELOW ASPHALT <br /> SURFACE GRADE AT THE EQUIPMENT ENCLOSURE AND <br /> PLACE PIPING TO SLOPE TOWARD WELL HEADS <br /> AT 1/95" PER FOOT, BUT AVOID CONFLICT WITH <br /> EXISTING UNDERGROUND SERVICES. <br /> rr 2. INSTALL I " DIAMETER SCH. 40 PVC PIPING WITH 0.010" <br /> SLOTTED CASING FOR AIR SPARGING POINTS (ASP) <br /> 3. INSTALL 2" DIAMETER SCH. 40 PVC PIPING <br /> FOR VAPOR EXTRACTION LINESLINES (VEW) <br /> 4. UNDERGROUND SERVICE ALERT (USA) TO BE NOTIFIED <br /> AT 1-800-642-2444 PRIOR TO TRENCHING. <br /> J TRENCH CROSS SECTION A — A' <br /> -' NOT TO SCALE <br /> CROSS SECTION DETAIL WKA NO: 1628.09 <br /> 404 West Fremont Street DATE: 8101 <br /> WALLACE KUHL & ASSOCIATES, INC. <br /> GEOTECHNICAL ENGINEERING Stockton, California PLATE NO: 8 <br /> } GEOLOGIC & ENVIRONMENTAL SERVICES <br /> �'J <br />