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1 <br />1 <br />I <br />FIELD PERMEABILITY TEST <br />PROJECT: San Luis BOREHOLE NO.: BH - 3 <br />JOB NO-: 14702 DATE: 07/07/88 <br />VARIABLE HEAD METHOD <br />INITIAL HT• TO WATER: none fee[ PIPE DIAMETER: n/a cm <br />HT. TO WATER ADDED FOR TEST: 0.00 fee[ PIPE AREA: n/e cm2 <br />TOTAL DEPTH OF BOREHOLE: 50.00 feet BOREHOLE DIAMETER: 15.24 an <br />TOP OF PIPE TO GROUND: 0.00 feet BOREHOLE AREA: 182.41 cm2 <br />Note: No standpipe in borehole <br /> PERMEABILITY <br />Date Time Increment Total Water Charge in Increm. Ctmn. <br /> ELapsed Elapsed Level Xt. of Perm- Perm• <br /> Time Time Reading Water ability ability <br />00/00/00 (Hrs-) (Sec.) (Sec.) (Ft.) (Ft.) K K <br /> (cMsec) (cm/sec) <br />07/07/88 14.00 0.00 <br />07/07/88 14.02 60 60 1.20 1.20 4.4E-04 4.4E-04 <br />07/07/88 14.03 60 120 2.00 0.80 3.0E-04 3.7E •04 <br />07/07/88 14.05 60 180 2.60 0.60 2.3E-04 3.2E-04 <br />07/07/88 14.07 60 240 3.10 0.50 1.9E-04 2.9E-04 <br />07/07/88 14.08 60 300 3.60 0.50 2.0E-04 2.7E-04 <br />07/07/88 14.10 60 360 4.00 0.40 1.6E-04 2.5E-04 <br />07/07/88 14.12 60 420 4.40 0.40 1.6E-04 2.4E-04 <br />07/07/88 14,13 60 480 4.80 0.40 1.6E-04 2.3E-04 <br />07/07/88 14.15 60 540 5.10 0.30 1.2E-04 2.2E-04 <br />07/07/88 14.17 60 600 5.40 0.30 1.2E •04 2. tE•04 <br />07/07/88 14.25 300 900 6.30 0.90 7.4E-0S 1.6E-0L <br />07/07/88 14.33 300 1,200 6.90 0.60 S.OE•OS 1.4E-04 <br />07/07/88 14.42 300 1,500 7.30 0.40 3.4E-05 1.1E-04 <br />07/07/88 14.50 300 1,800 7.60 0.30 2.6E-OS 7.0E-04 <br />d2 ~n~2mL1 <br />K °°- In H, <br />Note: Permeability calculations peformed using the following formula: h= <br />p =Diameter, Intake, cm <br />d =Diameter, Standpipe <br />L =Length, Intake <br />{, = Time, sec <br />F{ = Piexometric Head <br />Reference: Winterkorn, Nans F- end Fang, Hsai-Targ (7975)- Fourda[ion Engineering Hardtwok, <br />Van Nostranad Reinhold Conparry, Neu Tork, 32 p. <br />