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mom MOM <br /> MEASUREMENTS(ft CALCULATIONS(ft) <br /> GROUND SURFACE A TOTAL DEPTH DRILLED (A) 70 <br /> '4 B DEPTH OF OPEN HOLE (IF NO (B] 685 <br /> %` s <br /> CAVING OCCURS AS AUGERS ARE <br /> FLUSH MOUNT <br /> TRAFFIC GRATE �, RAISED,VALUE WILL BE SAME AS A) <br /> s C FOOTAGE OF HOLE COLLAPSED IC)=A-B= --- <br /> LOCKABLE CAP ,< D LENGTH OF SLOTTED CASING INSTALLED (D) 20 <br /> w, <br /> E DEPTH OF BOTTOM OF CASING (E) 685 <br /> CONCRETE r F LENGTH OF BLANK CASING (F) 485 <br /> GROUT <br /> _ G DEPTH TO TOP OF SAND PACK (G) 43 <br /> H FOOTAGE OF SAND PACK (H)=B-G= 27 <br /> I F I DEPTH TO TOP OF BENTONITE SEAL (1) 41 5 <br /> J THICKNESS OF BENTONITE SEAL (J) =G-1 = 1 5 <br /> BENTONITE K THICKNESS OF CEMENT/BENTONITE GROUT (K) 41 5 <br /> SEAL <br /> G <br /> FLUSH <br /> THREADED _ h 1 BORING DIAMETER 12' -- <br /> JOINTS " 2 CASING SIZE/SLOTTING 4'dlamete/ 20 0.02"slots/ft <br /> 3 TYPE OF CASING PVC Schedule 40 <br /> 4 NUMBER OF BAGS OF SAND 15 <br /> s 5 CASING ELEVATION Ground Level <br /> (#3)SAND PACK 4 6 DEPTH TO FREE-PRODUCT 0 <br /> 7 DEPTH TO GROUND WATER 54 91' <br /> D 8 THICKNESS OF FREE-PRODUCT 0 <br /> y fix' 9 DATE OF MEASUREMENTS 3-5-93 <br /> FLUSH 2-26-93 <br /> THREADED _ WELL NO MW 2 DATE CONSTRUCTED <br /> CAP <br /> — ` E PROJECT NO 1232 LOCATION Montgomery Ward Auto Service Center <br /> nc <br /> COLLAPSED <br /> B Stockton 0clAvenue <br /> tCal f m a <br /> HOLE A <br /> Environmental Audit, Inc _ Monitoring Well <br /> Construction Details <br />