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• <br /> <br />,GROUNDWATER OBSERVATION WELL REPORT ~ ~_ ~ 0 2 <br /> <br />Project Bruce Park Dam <br />Location Paonia Colorado PG. 1 OF 1 <br />Client Terror Ditch and Reservoir Company Bodng No. BL-102 <br />ConVacior Heliport Drilling Driller Ron Lancaster Location Paonia <br />Observed by ERF Date Started 11-27-01 C.OIOfadO <br />Checked by RJH Date Completed i t-28-01 Project No. 99292 <br /> <br />SURVEY LENGTH OF SURFACE CASING ABOVE GROUND 0.0 <br />DATUM NGVD SURFACE (FT) <br /> ' <br /> Flush mount <br />LENGTH OF RISER PIPE ABOVE GROUND 0.0 <br />GROUN D SURFACE (FT) <br />ELEVATI ON <br /> THICKNESS OF SURFACE SEAL BELOW 0.0 <br /> 0.13.3 clay mostly GROUND SURFACE, IF ANY (FT) <br /> fines, 2535°/ fine - <br /> grained sand TYPE OF SURFACE SEAL (indicate any Portland Cement <br /> 10-15°/ gravel addi8onal seals) <br /> very stiff red <br /> 13.3-14.5 silty santl ID OF SURFACE CASING (IN) Flush mount <br /> mostly fine to TYPE OF SURFACE CASING <br /> medium grained <br /> sand, less Nan 15% <br /> DEPTH BOTTOM OF CASING (FT) <br /> fines, red <br />d <br />v <br />14.519.5 silty clay <br />ID and OD OF RISER PIPE (IN) 0.8 <br />V7 mostly fines, stiff, TYPE OF RISER PIPE Flush joint PVC <br />0 1530Y very fine <br />Z to medium grained DIAMETER OF BOREHOLE (IN) 3.8 <br /> I <br />sand, reddish brown ~ <br />~ ~ TYPE OF BACKFILL AROUND RISER PIPE PoNand Cement <br />Z <br />O <br />H 19.5-24.5 DEPTH TOP OF SEAL, IF ANY (FT) 15.5 <br />~ <br />Z I <br />Interbedded clays TYPE OF SEAL 16x40 silica sand <br />~ and sands. similar DEPTH BOTTOM OF SEAL (FT) 16.5 <br /> <br />~ to 13.519.5 <br /> CT <br />17 <br />5 <br />O <br />~ I <br />24.534.5 . <br />DEPTH T <br />P OF PERVIOUS SE <br />ION <br />J <br />~ Interbedded TYPE OF PERVIOUS SECTION PVC <br /> <br />W sandstone and DESCRIBE OPENINGS 10 Slot Machine cut <br />w <br /> claystone <br />I I ID and OD OF PERVIOUS SECTION (IN) 0.8 <br />~ y <br />sandstone = mostl <br /> sand, medium ~- TYPE OF BACKFILL AROUND PERVIOUS SECTION tOz20 silica sand <br /> grained, moderately <br /> I <br /> Moderately friable DEPTH BOTTOM OF PERVIOUS SECTION (FT) 22.5 <br /> claystone = mosNy + <br /> fines, moderately ~~ DEPTH BOTTOM OF SAND COLUMN (FT) 24.5 <br /> fractured <br /> ELEV./DEPTH TOP OF SEAL, IF ANY (FT) 24.5 <br /> TYPE OF SEAL Bentonite Chip <br /> ELEV./DEPTH BOTTOM OF SEAL (FT) 34.1 <br /> TYPE OF BACKFILL BELOW PERVIOUS SECTION, <br /> IF ANY <br />NOTES: BL-102, piezomeler only, did not have materials [o complete wiN inclinometer ~ <br />~_ GEI Consultants, Inc. <br /> ENGLEWOOD COLORADO <br />MR-46 <br />AiYRo f~.D /z/(3~a y <br />