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v� <br /> CONF DRIL BID. <br /> ALL drilling, sampling`; boring/well destruction, well <br /> installation, etc. , will be supervised by a WEGE geologist, <br /> working directly under the supervision of CA. REG. Geologist <br /> #3037. The on site geologist will also produce the boring and <br /> construction lags and locate the placement of the borings, wells <br /> and wells to be destroyed. WEGE will notify Underground Service <br /> Alert (USA) prior to all drilling. <br /> The driller will provide all the necessary materials, suprort <br /> equipment and vehicles, permits, DWR reports, drilling rig, and <br /> materials to complete the following jobs, through well <br /> installation, and/or well - boring destruction as required by the <br /> permit (s) and local agency overseeii.g the site. <br /> NOTE: ALL MEASUREMENTS CONCERNING DRILLING, WELL INSTALLATIONS, <br /> ETC. ARE BELOW SURFACE DEPTHS. <br /> SITE 1401. SERVICE STATION LOCATED AT 950 19. ELEVENTH <br /> STREET, TRACY, CALIFORNIA. <br /> ALL TASKS ARE TO BE BID SEPERATELY: <br /> TASI: 1, NOT TO EXCEED ESTIMATE: 1 SAMPLE BORINGS AROUND PRESENT <br /> UNDERGROUND STORAGE TANK AREA <br /> TO THE 15 FOOT DEPTH, SAMPLES <br /> OBTAINED AT THE 3.0 FOOT DEPTH, <br /> TOP OF GROUND WATER AND 15 FOOT <br /> DEPTH. DESTROY SAME DAY, SEE <br /> FIGURE 3B FOR LOCATION. <br /> BORING PERMITS, DWR REPORTS <br /> HAND AUGER INITIAL 4 FEET <br /> BORING DIAMETER 8" <br /> TASK 2 NOT TO EXCEED ESTIMATE: INSTALLATION OF 2" PVC GROUND <br /> WATER MONITORING WELL WITH 811 <br /> HOLLOW STEM AUGERS TO 15 FOOT <br /> DEPTH. <br /> a WELL CASING 2". SCH 40 F480 TRILOCK <br /> o SCREEN SLOT SIZE 0.02" INTERVAL 10' - 151 <br /> o CASING BLANK 2" SCH 40 F480 TRILOCK INTERVAL 10' - 0.5' <br /> o SAND PACK #3 MONTEREY INTERVAL 15' - 8' <br /> o NEAT CEMENT W/5% SENTONITE ANNULAR SEAL INTERVAL 8' -11 . <br /> o BOTTOM PLUG, 2" FEMALE <br /> o CASING CAP 2" WATER TIGHT LOCKABLE THERMOS CAP. <br /> o WATER TIGHT TRAFFIC BOX 12" DIAMETER WITH 1/2" BOLTS TO <br /> SECURE LID WITH 12" SKIRT-INSTALLED 1/4" ABOVE GRADE OF <br /> SURFACE (MW4) . <br /> O TRAFFIC BOX PAD, CONCRETE 2' DIAMETER BY 14" DEEP. <br /> o TRAFFIC CONTROL, MW4 IS TO BE INSTALLED NEAR THE <br /> SIDEWALK AREA OF W. ELEVENTH STREET, TRAFFIC CONTROL TO <br /> 2 <br />