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FIELD PERHEABILITT TEST PROJECT: Sen Luis BOREHOLE NO.: BH 6 JOB NO.: 14702 DATE: 07/01/88 VARIABLE HEAD NETH00 INITIAL HT. TO PATER: 23.30 (eat PIPE DIAMETER: 3.18 cm HT. TO HATER ADDED FOR TEST: 0.00 feet PIPE AREA: 7.92 cm2 TOTAL DEPTH OF BOREHOLE: 50.00 feet BOREHOLE DI AMETER: 15.24 cm TOP OF PIPE TO CRWND : 3.60 feet BOREHOLE AREA: 182.41 cm2 TOTAL DEPTH OF PIEZOMETER: 47.60 feet SCREEN LENGTH: 20.00 feet TOP OF SEAL: 22.10 fee[ BOTTOX OF SEAL: 2<.60 feet PERMEABILITY Date Time Increment Total Water [henge in Increm. Cumm. Elapsed Elapsed Level Ht, of Perm• Perm• Time Time Reeding Vater ability ability 00/00/00 (Hrs.) (Sec.) (See.) (Ft.) (Ft.) K K ( cMsec) (cMsec) 07/01/88 9.25 0.00 07/01/88 9.27 60 60 20.50 20.50 2.7E-03 2.1E-03 07/01/88 9.28 60 120 21.40 0.90 3.9E-OL 1.3E-03 07/01/88 9.30 60 180 21.70 0.30 1.7E-0< 9.0E-04 07/01/88 9.32 60 240 21.80 0.10 6.5E-0S 6.9E-04 07/01/88 9.37 60 300 21.85 0.05 3.<E•OS 5.6E-04 07/01/88 9.75 60 760 21.90 0.05 3.5E-0S 4.7E-04 07/01/88 9.37 60 420 21.95 0.05 3.7E-0S 4.1E-04 07/01/88 9.38 60 480 22.05 0.10 7.8E-OS 3.7E-04 07/01/88 9.40 60 540 22.10 0.05 4.1E-0S 3.3E-04 07/01/88 9.42 60 600 22.15 0.05 4.3E-0S 3.0E-04 07/01/08 9.43 60 660 22.20 0.05 4.5E-OS 2.8E-04 07/01/88 9.45 60 720 22.25 0.05 4.7E-0S 2.6E-04 07/01/88 9.47 60 780 22.30 0.05 4.9E-0S 2.5E-04 07/01/88 9.48 60 840 22.30 0.00 0.0E+00 2.7E-04 07/01/88 9.50 60 900 22.30 0-00 O.OE+CO 2.1E-04 07/01/88 9.58 300 1,200 22.45 ~ 0.15 3.3E•GS 1.7E-04 07/01/88 9.67 300 1,500 22.60 0.15 3.9E-0S 1.4E-04 07/01/88 9.75 300 1,800 22.70 0.10 3.1E-0S 1.2E •04 d2 In / 2mL1 H Hote: Permeability caltulation5 paformed using t he lollouirg formula: I(h= ` O / Irn ' p =Diameter , Intake, cm d =Diameter , St atdpipe ~ =Length, Int eke t =Time, sec F{ = Diezamet ric Need Reference: Vinterkorn, Hans F. and fang, Hs ai•Yerg (1975). Foundation Engi neering Nerdbook, Ven Nostrenad Rei Mold Conpeny, Neu York, 32 p.