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FIELD PERMEABILITT TEST PROJECT: Sen Luis BOREHOIE NO.: BX 9 JOB NO.: 14702 DATE: 07/16/88 VARIABLE HEAD METHOD INITIAL HT. TO PATER: none feet PIPE DIAMETER: n/a cm XT. TO PATER ADDED FOR TEST: 0.00 feet PIPE AREA: n/e cm2 TOTAL DEPTH OF BOREHOLE: 80.00 feet BOREHOLE DIAHETER: 15.24 cm TOP OF PIPE TO GROUND: 0.00 feet BOREHOLE AREA: 182.41 cm2 Note: No standpipe in borehole PERMEABILITY De[e Time Increment Tot el Ue[er Change in lncrem. Ctmn. Elapsed Elapsed Level Ht. of Perm- Perm- Time Time Reading Pater ability ability 00/00/00 (Nrs.) (Sec.) (Sec.) (Ft.) (Ft.) K K (cMsec) (cMsec) 07/16/88 74.50 0.00 07/16/88 14.52 60 60 1.30 1.30 2.3E-04 2.3E-04 07/16/88 14.53 60 120 2.40 1.10 2.bE-04 2.8E-04 07/16/88 14.55 ~ 60 180 3.30 0.90 2.1E-04 2.6E-04 07/tb/88 14.57 60 240 4.20 0.90 2.1E-0L 2.5E-04 07/16/88 14.58 60 300 5.10 0.90 2.2E-04 2.4E-04 07/16/88 14.60 60 ~ 360 5.60 0.50 1.2E-04 2.2E-04 07/16/88 14.62 60 420 6.00 0.40 9.8E-0S 2.0E-04 O1f.16/8B 14.63 60 480 6.50 0.50 1.2E-04 5.9E-0L 07/16/88 14.65 60 540 7.30 0.80 2.0E-0L 1.9E-0G 07/16/88 14.67 60 600 8.20 0.90 2.3E-04 2.0E-04 07/16/88 1<.75 300 900 10.10 1.90 9.8E-0S 1.bE-04 07/16/88 14.83 300 1,200 12.90 2.80 1.5E-04 1.6E-04 07/16/88 14.92 30C 1,500 15.00 2.10 1.2E-04 1.5E-04 07/16/88 15.00 300 1,800 16.70 1.70 9.7E-05 1.4E-04 07/16/88 15.08 300 2,100 18.50 1.80 1.1E•O4 1.4E-04 07/16/88 15.17 300 2,400 20.10 1.60 9.6E-0S 1.3E-04 07/16/88 15.25 300 2,700 21.50 1.<0 8.6E-0S 1.3E-04 d2.~n/2mLl f~ I( lD/In ' Hot e: Permeability tal tulat ions peformed using the fallowing fornula: h= p =Diameter, Intake, cm d =Diameter, Standpipe 1. =length, Intake { = Time, sec H = Piezometric Nead Reference: Yin[erkorn, Nans F. end Feng, Hsai-TOrg (1975). Fouda[ion Engineering Xerdbook, Van Hostrenad Reinhold Conpeny, Neu Tork, 32 p.