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TYPICAL MONITORING WELL CONSTRUCTION QETAILS <br /> Not to scale <br /> 9 <br /> e EXPLORATORY BORiNGMd <br /> i <br /> I <br /> : <br /> e. Total depth 55 It, <br /> ' b. Diameter $ ,n <br /> d <br /> i ;• Drilling method Hallow Stem Auger <br /> a _ WELL CONSTRUCTION <br /> C. Casing length 55 ft. <br /> C I - materlal Sch 90 PVC <br /> d. Diameter _? in. <br /> e. Depth to lop perforations _ 30 ft. <br /> TM f, Perforated lengin 25 It. _ l <br /> Perlorated interval from_3)to_55 fl. <br /> f Perforation type FaC_fw_S1Clt__ <br /> Perforation -size 0.02 inch <br /> _ g• Surface seal (D—to-2ft.) ,�� ft. <br /> _W Seat material Concrete <br /> f t h. Backfill (z toff.) 2.°, ft. <br /> OaCkfift material _Cement Mortar <br /> 1. Seal (25t02aft•) —3 f1. i <br /> Seal material B3:ntcnitte }, <br /> Grave! <br /> peek <br /> I( I. (�tu5511.) 27 !t. <br /> Pack meterial A1C Sand <br /> _ k. Bottom seal <br /> b PVC Ca <br /> Seal materla! P <br /> FILE NO. 2070- <br /> PROJECT <br /> i <br /> WELL NO. 6 & 7 ANDEQSON GfOTECNNKAL <br /> DATE COMPLETED 2-15-rM 2-17--M CONSLLTAtJTTS.lKC. <br /> .•� Roseville (916) 78&8883 <br /> Grass Valley (916) 273-SOIL <br /> Figure 4 <br /> i <br />