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j <br /> I <br /> I <br /> i <br /> � . MONITORING WELL DIAGRAM <br /> GROUND SURFACE WELL NO. - 3 DATE CONSTRUCTED - 07-30-91___ <br /> CA <br /> PROJECT NO. - 305 <br /> i <br /> MEASUREMENTS <br /> A. TOTAL DEPTH DRILLED (A) 100' <br /> B. DEPTH OF OPEN HOLE (SAME AS (B) 100' <br /> CONCRETE TOTAL DEPTH DRILLED IF NO <br /> GROUT----W> CAVING OCCURS) <br /> C. FOOTAGE OF HOLE COLLAPSED (C) 0' <br /> D. LENGTH OF SLOTTED CASING INSTALLED (D) 25' <br /> E. DEPTH OF BOTTOM OF CASING (E) 100' <br /> F. LENGTH OF BLANK CASING (F) 75' <br /> G. DEPTH TO TOP OF SAND PACK (G) 73 ' <br /> H. FOOTAGE OF SAND Pf_7K (H) 27' <br /> >F I. DEPTH TO TOP OF BE X )NITE SEAL (I) 68' <br /> iBENTONITE ->I J. THICKNESS OF BENT01,...TE SEAL (J) 5' <br /> SEAL-> K. THICKNESS OF CONCRETE GROUT (K) 67.5' <br /> it r= <br /> ->G <br /> 1. BORING DIAMETER (1) 8" _ <br /> FLUSH 2. CASING SIZE/SLOTTING (2) 2" OD/0.020" <br /> iTHREADED3. TYPE OF CASING (3) Schedule 40 PVC <br /> JOINTS-_> - 4. NUMBER OF BAGS OF SAND (4) 8 <br /> 5. ELEVATION (5) 20.97' <br /> ISAND -- 6. DEPTH TO FREE-PRODUCT (6) None <br /> PACK -- 7. DEPTH TO GROUND WATER (7) 86.5' <br /> # 3 > 8. THICKNESS OF FREE PRODUCT (8) None <br /> - 9. DATE OF MEASUREMENTS (9) 07-30-91 <br /> >D <br /> ' FLUSH <br /> THREADED >E <br /> --->B FIGURE - 10 <br /> COLLAPSED <br /> HOLE-> >A <br /> 4 <br />