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1 i 1 1 1 1 1 1 1 1 1 1 1 1 1 FIELD PERMEABILITY TEST PROJECT: San Luis BOREHOLE NO.: 8H - 9 JOB NO.: 14702 DATE: 07/16/88 VARIABLE HEAD METHOD INITIAL HT. TO HATER: none feet PIPE DIAMETER: n/e cm NT. TO WATER ADDED FOR TEST: 0.00 feet PIPE AREA: n/a cm2 TOTAL DEPTH OF BOREHOLE: 80.00 feet BOREHOLE DIAMETER: 15.24 cm TOP OF PI DE TO GROUND: 0.00 feet BOREHOLE AREA: 182.41 cm2 Note: No standpipe in borehole PERMEABILITY Date Time Increment Tota( Yater Chenge in Increm. Curet. Elapsed Elapsed Level Ht. of Perm- Perm• Time Time Reading 4ater ability ability 00/00/00 (Xrs.) (Sec.) (Sec.) (F t.) (Ft.) K K (crNsec) (cm/sec) 07/16/88 14.50 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 2.6E-04 2.8E-04 07/16/88 14.55 60 180 3.30 0.90 2.1E-04 2.6E-04 07/16/88 14.57 60 240 4.20 0.90 2.1E-04 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-D4 07/16/88 14.62 60 420 6.00 0.40 9.8E-05 2.0E-04 07/16/88 14.63 60 480 6.50 0.50 1.2E~04 1.9E-04 07/16/88 14.65 60 540 7.30 0.80 2.0E-04 1.9E-04 07/16/88 14.67 60 600 8.20 0.90 2.3E-04 2.0E-04 07/16/88 14.75 300 900 10.10 1.90 9.8E-05 1.6E-04 07/16/88 14.83 300 1,200 12.90 2.80 1.5E-04 1.6E-04 07/16/88 14.92 300 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-OS 1.4E-04 07/16/88 15.08 300 2,100 18.50 1.80 1.1E ~04 1.4E-04 07/16/88 15.17 300 2,400 20.10 1.60 9.6E-05 1.3E•OL 07/16/88 15.25 300 2,700 21.50 1.40 B.bE-OS 1.3E-04 d2 ~n / 2mL1 {'~ // Note: Per meability calculations peformed using the following formula: Kh= ~ ~n ~ p = Dramet er, Intake, cm d = Diameter, Standpipe Length, In take {, = lime, sec F{ = pi ezome[ri c Nead Reference: Yin t erkorn, Xans F. and Ferg, Nsai -Tarp (1975). Foundation Engi neering Handbook, Van Nost ranad Reinhold Company, Neu York, 32 p.