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<br /> <br />IL <br />GROUNDWATER OBSERVATION WELL REPORT Q ~_ ~ O~ <br /> v <br />Project Bruce Park Dam <br />Location Paonia Colorado PG. 1 OF 1 <br />Client Terror Ditch and Reservoir Company goring No. BL-102 <br />Cont2ctor Heliport Drilling Driller Ron Lancaster location Paonia <br />Observetl by ERF Date Started t 1-27-01 COlOfadO <br />Checked by RJH Date Completed tt-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 />GROUND 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, 25-35% fine <br /> grained sand TYPE OF SURFACE SEAL (indicate any Portland Cement <br /> 10.15% gravel additlonal seals) <br /> very sOH red <br /> 13.3-14.5 silty sand ID OF SURFACE CASING (IN) Flush mount <br /> mostly fine to TYPE OF SURFACE CASING <br /> medium grained <br /> sand, less than 15% <br /> DEPTH BOTTOM OF CASING (FT) <br /> fines, red <br /> 14.5-19.5 silty clay ID and OD OF RISER PIPE (IN) 0.8 <br />lA mostly fines, still, TYPE OF RISER PIPE Flusn joint PVC <br />0 15.30 % very fine <br /> <br />o <br />to medium grained I II <br />I~ DIAMETER OF BOREHOLE (IN) 3.8 <br />? sand, redtlish brown <br />~ ~ TYPE OF BACKFILL AROUND RISER PIPE Portland Cement <br />Z <br />O <br />F 79.5-24.5 DEPTH TOP OF SEAL, IF ANY (FT) 15.5 <br />~ <br />Z I <br />Interbedded clays TYPE OF SEAL 16x40 silica sand <br />~ and santls, similar DEPTH BOTTOM OF SEAL (FT) 16.5 <br /> <br />~ to 13.5-19.5 <br /> 17 <br />5 <br />~ I <br />24.5-34.5 . <br />DEPTH TOP OF PERVIOUS SECTION <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 ID antl OD OF PERVIOUS SECTION (IN) 0.8 <br />C7 y <br />sandstone =most) <br /> santl, medium ~- TYPE OF BACKFILL AROUND PERVIOUS SECTION 10x20 silica sand <br /> grained, moderately <br /> 2 <br /> Moderately friable I DEPTH BOTTOM OF PERVIOUS SECTION (FT) <br />2.5 <br /> claystone =mostly <br /> fines, motlera[ely t--11 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, piezometer only, did no[ have materials [o complete with inclinometer ~+ <br />`1' GEI Consul ants, Inc. <br /> ENGLEWOOD COLORADO <br />