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• <br />• <br /> <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 antl Reservoir Company Boring No. BL-1 p2 <br />Contractor Heliport Drilling Driller Ron Lancaster Location Paonia <br />Observed by ERF Date Started 11-27-07 CDIOfadO <br />Checked by RJH Date Completed 17.28-07 Project No. 99292 <br /> <br />SURVEY LENGTH OF SURFACE CASING ABOVE GROUND 0.0 <br />DATUM NGVD SURFACE (F7) <br /> ' Fl <br />h <br />t <br /> moun <br />LENGTH OF RISER PIPE ABOVE GROUND 0.0 <br />us <br />GROUN D SURFACE (FT) <br />ELEVATI ON <br /> THICKNESS OF SURFACE SEAL BELOW 0.0 <br /> 0.13.3 clay mosdy GROUND SURFACE, IF ANY (FT) <br /> fines, 2535°/ fine <br /> grained sand TYPE OF SURFACE SEAL (intlirate any Portland Cement <br /> 10-15% gravel adtlilional seals) <br /> very still red <br /> 13.3-14.5 silty sand ID OF SURFACE CASING (IN) Flush mount <br /> mosdy fine to TYPE OF SURFACE CASING <br /> medium grained <br /> sand, less than 15% <br /> DEPTH BOTTOM OF CASING (FT) <br /> fines, red <br /> 74.519.5 silty Way I ID and OD OF RISER PIPE (IN) 0.8 <br />h mostly fines, stiff, TYPE OF RISER PIPE Flush joint PVC <br />0 1S30Y° very fine <br />o to medium grained ~ DIAMETER OF BOREHOLE (IN) 3.8 <br />2 sand, reddish hrown ~ <br />~ f TYPE OF 6ACKFILL AROUND RISER PIPE PoNand Cement <br /> <br />O <br />}= 19.524.5 DEPTH 70P OF SEAL, IF ANY (FT) 75.5 <br />~ <br />Z ~ <br />Interbedded clays TYPE OF SEAL 16x40 silica sand <br /> <br />~ <br />and sands. similar 16.5 <br />DEPTH 80TTOM OF SEAL (F'f] <br /> <br />J IO 13.519.5 <br /> 7 <br />5 <br />DE <br />OF <br />~ I <br />24.5-34.5 . <br />PTH 70P <br />PERVIOUS SECTION 1 <br />J <br />~ <br />Interbedded <br />TYPE OF PERVIOUS SECTION PVC <br /> <br />W sandstone and DESCRIBE OPENINGS 10 Slot Machine cut <br />W <br /> claystone <br />I ID and OD OF PERVIOUS SECTION (IN) 0.8 <br />C7 y <br />sandstone = mostl I <br /> ' <br />-- <br /> sand, medium TYPE OF 6ACKFILL AROUND PERVIOUS SECTION 10x20 silica sand <br />f <br /> grained, moderately <br /> I <br /> Moderately friable DEPTH BOTTOM OF PERVIOUS SECTION (FT) 22.5 <br /> clayslone =mostly i <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 /> I! TYPE OF SEAL Ben[onite Chip <br /> ELEV./DEPTH BOTTOM OF SEAL (FT) 34.1 <br /> TYPE OF 6ACKFILL BELOW PERVIOUS SECTION, <br /> IF ANY <br />NOTES: BL-102, piezomeler only, did not have materials to complete with inclinometer ~s <br />GEI Consult: nfs, Inc. <br /> ENGLEWOOD COLORADO <br />