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i MEASUREMENTS(ft) CALCULATIONS(ft) <br /> I � <br /> J GROUND SURFACE _ A TOTAL DEPTH DRILLED (AJ 70 <br /> Fra B DEPTH OF OPEN HOLE(IF NO IBJ <br /> 68 <br /> 1 <br /> CAVING OCCURS AS AUGERS ARE <br /> t FLUSH MOUNT ;% RALSED,VALUE WILL BE SAME AS A) <br /> TRAFFIC GRATE C FOOTAGE OF HOLE COLLAPSED (C) A-B= —2--- <br /> LOCKABLE CAP — ❑ LENGTH OF SLOTTED CASING INSTALLED (D) 20 <br /> 68 <br /> E DEPTH OF BOTTOM OF CASING (EJ 48 <br /> CONCRETE — F LENGTH OF BLANK CASING (F) <br /> GROUTS G DEPTH TO TOP OF SAND PACK (G) 43 <br /> OF H FOOTAGE SAND PACK <br /> (H)W B-G= 27 <br /> „ 1 I DEPTH TO TOP OF BENTONITE SEAL (1) 407 <br /> F <br /> J THICKNESS OF BENTONITE SEAL (J) =G-1= 23 <br /> BENTONITE — K THICKNESS OF CEMENT/BENTONITE GROUT (K) 407 <br /> SEAL <br /> G <br /> 4 <br /> FLUSH I BORING DIAMETER 17 <br /> 'THREADED 4"d to/ 20 0,02- lots/ft <br /> JOINTS — 2 CASING SIZE/SLOTTING <br /> of — PVC Schedule 40 <br /> 3 TYPE OF CASING 12 <br /> a 4 NUMBER OF BAGS OF SAND <br /> * 5 CASING ELEVATION Ground Level <br /> (#3)SAND PACK— _ 6 DEPTH TO FREE-PRODUCT 0 <br /> 7 DEPTH TO GROUND WATER 5437 <br /> D B THICKNESS OF FREE-PRODUCT 0 <br /> = ; 9 DATE OF MEASUREMENTS 3-5-93 <br /> FLUSH WELL NO MW-I DATE CONSTRUCTED 2-26-93 <br /> THREADED — - <br /> CAP R' _ PROJECT NO 1232 LOCATION Montgomery Ward Auto Service Center <br /> E 5400 Pacific Avenue <br /> B Stockton Califomia <br /> � COLLAPSEDf <br /> HOLE L A <br /> I <br /> Environmental Audit, Inc Monitoring Well <br /> Construction Details <br /> 1272 WCO COR <br />