Laserfiche WebLink
DEEP CASED WELL CONSTRUCTION DETAIL <br /> A Total Depth of Boring 80 ft <br /> . B2 <br /> B Diameter of Boring 8 In <br /> E2 Drilling Method Hollow stem auger <br /> E <br /> M C B2 Diameter of Boring 15 in <br /> 11 id Drilling Method Hollow stem auger <br /> H C Top of Casing Elevation To be surveyed ft <br /> �x Referenced to Mean Sea Level <br /> Referenced to Project-Datum <br /> D Casing Length 80 ft <br /> 12 D2 1 Material Schedule 40 PVC <br /> D2 Casing Length 45 ft <br /> F Material 8-gauge steel <br /> J2 E Casing Diameter 2 In <br /> E2 Casing Diameter 8 625 in <br /> F Depth to Top Perforations 70 ft <br /> D J G Perforated Length 10 ft <br /> A Perforated Interval from 70 to 80 ft <br /> Perforation Size 002 in <br /> H Surface Sea]from 0 to 1 5 ft <br /> Seal Material Concrete <br /> I Backfill from 1 5 to 65 ft <br /> Backfill Material Neat cement <br /> K 12 Backfill from 1 5 to 43 ft <br /> G Backfill Material Neat cement <br /> J Seal from 65 to 68 ft <br /> Seal Material Hydrated bentonite <br /> J2 Seal from 43 to 45 ft <br /> Seal Material Native clay or hydrated bentonite_ <br /> L K Gravel Pack from 68 to 80 ft <br /> Pack Material Lonestar No 3 sand <br /> B L Bottom Seal NA ft <br /> Seal Material NA <br /> Note Depths measured from Initial ground surface <br /> M Traffic-rated,water-resistant,steel well box <br /> Locking expandable well plug with Tosco lock <br /> Proposed Deep Monitoring Well Construction Details FIGURE <br /> I <br /> G ETTLER- RYAN, NC Tosco Service Station No 11192 O <br /> 6747 Sierra Cf suite J (925)551 7555 1403 Country Club Boulevard <br /> Dublin CA 94568 Stockton,California <br /> JOB NUMBER REVIEWED BY DATE REVISED DATE REVISED DATE <br /> 140245 08 May-02 <br />