Laserfiche WebLink
Depth (ft) Elevation (ft) I MONITORING WELL CONSTRUCTION SUMMARY <br />r -2 39 <br />0.0 <br />3.0 <br />24.0 <br />231.2 <br />2361 <br />4986.0 <br />4981 1 <br />Depth (ft bIs) <br />Site Location: Boettcher Quarry <br />52196 <br />Project Number: 10381640A <br />Survey Coordinates: E. 3098804 41 <br />Colorado State Plane N- 1484797.04 <br />52172 <br />C1 <br />52142 <br />- 5217.2 <br />Drilling Summary <br />- 239.2 <br />51932 <br />Total Depth. 260.2 ft <br />Borehole Diameter, 8.0 in <br />- 4978 0 <br />239.2 <br />Casing Stickup Height: -2.39 ft <br />S <br />Driller Precision Sampling, Inc <br />- 4958.7 <br />258.5 <br />- 259.2 <br />Rig CME 55 <br />4958 7 <br />Bits(s) 7 N -inch roller bit <br />0 ft to 239.2 ft bls. <br />Drilling Fluid: Air /water <br />13:30 <br />Protective Casing 6 "x6" Steel Riser <br />1000 <br />Well Design and Specifications <br />Screen: S1 4" ID Schedule 40 PVC <br />Basis- Field Notes <br />12/151 <br />Casino Strina(s): C = Casino. S = Screen <br />4986.0 <br />4981 1 <br />Depth (ft bIs) <br />String(s) <br />Elevation (feet) <br />-2.39 <br />- 00 <br />C1 <br />5219.6 <br />- 5217.2 <br />0.0 <br />- 239.2 <br />C2 <br />5217 2 <br />- 4978 0 <br />239.2 <br />- 2585 <br />S <br />4978 0 <br />- 4958.7 <br />258.5 <br />- 259.2 <br />C3 <br />4958 7 <br />- 4958.0 <br />0 ft to 239.2 ft bls. <br />12/15 <br />13:30 <br />12/16 <br />1000 <br />Bentonite plug <br />Screen: S1 4" ID Schedule 40 PVC <br />1255 <br />12/151 <br />1330 <br />Well No. _ <br />Boring No. X -Ref: _ <br />Surface Elevation _ <br />Top of Casing <br />Construction Time Log <br />MW -7 <br />N/A <br />5217.2 ft <br />52196 ft <br />Task <br />Start <br />Date Time <br />Finish <br />Date I Time <br />Drill borehole <br />12/12 <br />Casing: C1 4" ID Schedule 40 PVC <br />12/14 <br />1700 <br />Air lift hole <br />12/14 <br />17:00 <br />+2 39 ft to 0 ft (casing stickup) <br />239.2 <br />Install well <br />12/15 <br />9:20 <br />4978.0 <br />C2 4" ID Schedule 40 PVC <br />Install sand /seal <br />12/15 <br />10.05 <br />12/15 <br />11.40 <br />0 ft to 239.2 ft bls. <br />12/15 <br />13:30 <br />12/16 <br />1000 <br />Bentonite plug <br />Screen: S1 4" ID Schedule 40 PVC <br />1255 <br />12/151 <br />1330 <br />Set pad <br />12/29 <br />20 -slot 239.2 ft to 258.5 ft bls. <br />12/29 <br />11.45 <br />115 <br />813 <br />571 <br />C3 4" ID SCH 40 PVC end cap <br />3/5/13 <br />14:00 <br />120 <br />8.20 <br />587 <br />from 258.5 ft to 259.2 ft bls. <br />3/5/13 <br />14.30 <br />125 <br />826 <br />585 <br />Filter Pack: 10/20 silica sand between <br />3/5/13 <br />14:50 <br />130 <br />826 <br />5.89 <br />236.1 ft and 259 2 ft bls <br />3/5/13 <br />15:10 <br />135 <br />8.27 <br />5.92 <br />Nine 50 -pound bags <br />3/5/13 <br />15:40 <br />140 <br />8.30 <br />6.17 <br />Grout Seal: CETCO Puregold bentonite <br />3/5/13 <br />15.42 <br />141 <br />- <br />- <br />grout between 24 ft and 231 2 ft bls Fortythree <br />2585- <br />49587 <br />50 -pound bags (loss between 33 ft & 24 ft bls). <br />2592- <br />49580 <br />Bentonite Seal: CETCO medium bentonite <br />2602- 49570 <br />NOT TO SCALE <br />chips from 231.2 ft to 236 1 ft bls (100 Ibs) and <br />24' bl 1 t 1 t f'll 1200 Ib <br />Well No. _ <br />Boring No. X -Ref: _ <br />Surface Elevation _ <br />Top of Casing <br />Construction Time Log <br />MW -7 <br />N/A <br />5217.2 ft <br />52196 ft <br />Task <br />Start <br />Date Time <br />Finish <br />Date I Time <br />Drill borehole <br />12/12 <br />16.10 <br />12/14 <br />1700 <br />Air lift hole <br />12/14 <br />17:00 <br />12/14 <br />1725 <br />Install well <br />12/15 <br />9:20 <br />12/15 <br />10.05 <br />Install sand /seal <br />12/15 <br />10.05 <br />12/15 <br />11.40 <br />Grout annulus <br />12/15 <br />13:30 <br />12/16 <br />1000 <br />Bentonite plug <br />12/15 <br />1255 <br />12/151 <br />1330 <br />Set pad <br />12/29 <br />11 00 <br />12/29 <br />11.45 <br />115 <br />813 <br />571 <br />127 <br />3/5/13 <br />14:00 <br />120 <br />8.20 <br />587 <br />129 <br />3/5/13 <br />14.30 <br />125 <br />826 <br />585 <br />129 <br />3/5/13 <br />14:50 <br />130 <br />826 <br />5.89 <br />130 <br />3/5/13 <br />15:10 <br />135 <br />8.27 <br />5.92 <br />12.7 <br />3/5/13 <br />15:40 <br />140 <br />8.30 <br />6.17 <br />12.8 <br />3/5/13 <br />Well Development <br />Depth to water initial 56.93' final unk <br />110 gallons removed after air lifting on <br />01/22/2013, and 41 gals after surging <br />and bailing on 03/5/2013 <br />Development Stabilization Test Data <br />Date <br />m /dd /yy <br />Time <br />hr mm <br />Vol <br />(gals) <br />p H <br />Cond <br />(MS/CM) <br />Temp <br />( °C) <br />1/22/13 <br />936 <br />100 <br />792 <br />4.93 <br />10.8 <br />1/31/13 <br />1555 <br />101 <br />797 <br />5.61 <br />11.2 <br />3/5/13 <br />1203 <br />102 <br />8.20 <br />601 <br />130 <br />3/5/13 <br />1250 <br />105 <br />8.62 <br />484 <br />11 8 <br />3/5/13 <br />13.12 <br />110 <br />8.53 <br />508 <br />125 <br />3/5/13 <br />13.40 <br />115 <br />813 <br />571 <br />127 <br />3/5/13 <br />14:00 <br />120 <br />8.20 <br />587 <br />129 <br />3/5/13 <br />14.30 <br />125 <br />826 <br />585 <br />129 <br />3/5/13 <br />14:50 <br />130 <br />826 <br />5.89 <br />130 <br />3/5/13 <br />15:10 <br />135 <br />8.27 <br />5.92 <br />12.7 <br />3/5/13 <br />15:40 <br />140 <br />8.30 <br />6.17 <br />12.8 <br />3/5/13 <br />15.42 <br />141 <br />- <br />- <br />- <br />3 to s to pug grou oss o i ( s). <br />Comments Coordinates are Colorado State Plane North Grid NAD 83 (feet) Elevations are NAD 88 Datum (feet) <br />Concrete from 0 ft to 3 ft bls including three -foot square pad "bls" = below land surface <br />Stainless steel basket centralizers installed at depths of 238 ft bls, 188 ft bls, 138 ft bls, 88 ft bls and 38 ft bls <br />Screen is length of the 20 -slot perforations, not entire screen section <br />Supervised by Christine Pribulick Date 12/16/2012 <br />(DGolder <br />Associates <br />