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PIEZOMETER INSTALLATION LOG BD-1 05A <br />Project BRUCE PARK DAM <br />Location DELTA COUNTY BOWIE), COLORADO PG. 1 OF 1 <br />Client BOWIE RESOURCES, LTD. Boring No. BD-105A <br />Contractor AGAPITO DRILLING Driller M. NEWBERN Location MAIN DAM <br />Inspected by JDG Date Started 11/26/2000 CENTER/CREST <br />Checked by Date Completed 11126/2000 Project No. 99292 <br />SURVEY LENGTH OF SURFACE CASING ABOVE GROUND FLUSH MOUNTED <br />DATUM NIA I SURFACE (FT) <br />ATION -8187.0 <br />LENGTH OF RISER PIPE ABOVE GROUND -0.1 <br />SURFACE (FT) <br />THICKNESS OF SURFACE SEAL BELOW 2.0 <br />GROUND SURFACE, IF ANY (FT) <br />TYPE OF SURFACE SEAL (indicate any CONCR <br />additional seals) <br />ID OF SURFACE CASING (IN) 8.0 <br />TYPE OF SURFACE CASING STEEL <br />_ DEPTH BOTTOM OF CASING (FT) 1.0 <br />? I <br />ID and OD OF RISER PIPE (IN) 1.610/1.900 <br />U <br />TYPE OF RISER PIPE PVC, SCH. 40 <br />0 <br />_ .r <br />Z I I? DIAMETER OF BOREHOLE (IN) 8.0 <br />.- I <br />U) TYPE OF BACKFILL AROUND RISER PIPE VOLCLAY CRUMBLE: <br />O <br />I_- I DEPTH TOP OF SEAL, IF ANY (FT) 2.0 <br />Z TYPE OF SEAL BENTONITE <br />z <br />O DEPTH BOTTOM OF SEAL (FT) 26.0 <br />J <br />O I DEPTH TOP OF PERVIOUS SECTION 28.5 <br />J <br />Q TYPE OF PERVIOUS SECTION PVC, SCH. 40 <br />DESCRIBE OPENINGS 0.010-IN. SLOTS <br />W <br />w I ( ID and OD OF PERVIOUS SECTION (IN) 1.610/1.900 <br />C7 <br />TYPE OF BACKFILL AROUND PERVIOUS SECTION #10-20 SILICA SAND <br />I DEPTH BOTTOM OF PERVIOUS SECTION (FT) 38.5 <br />f DEPTH BOTTOM OF SAND COLUMN (FT) 38.5 <br />I ELEV./DEPTH TOP OF SEAL, IF ANY (177) <br />TYPE OF SEAL <br />ELEV./DEPTH BOTTOM OF SEAL (FT) <br />TYPE OF BACKFILL BELOW PERVIOUS SECTION, SLOUGH <br />END CAP INSTALLED BELOW PERVIOUS SECTION <br />- GEI Consultants, Inc.