Laserfiche WebLink
i <br />i <br />i <br />i <br />i <br />~~ <br />t <br />FIELD PERMEABILITY TEST <br />PROJECT: San Luis BOREHOLE NO.: BH - 1 <br />JOB NO.: 14702 DATE: 07/09/88 <br />VARIABLE HEAD METHOD <br />INITIAL HT- TO MATER: none feet PIPE DIAMETER: n/e cm <br />HT. TO VATER ADDED FOR TEST: 0.00 feet PIPE AREA: Na cm2 <br />TOTAL DEPTH OF BOREHOLE: 50.00 feet BOREHOLE DIAMETER: 15.24 cm <br />TOP OF PIPE TO GROUND: 0.00 feet BOREHOLE AREA: 182.41 tm2 <br />Note: No standpipe in borehole <br />PERMEABILITY <br />Date Time Increment ToteL Va[er Change in lnc rem. Cumm. <br />Elapsed Elapsed Level Ht. of Perm- Perm• <br />Time Time Reading Yater ability ability <br />00/00/00 (Hrs.) (Sec.) (Sec.) (Ft.) (F[.) K K <br />(cm/sec) (cm/seW i <br />07/o9/ea 11.00 0.00 ~~\~`~ 1 <br />07/09/88 11.02 60 60 0.55 0.55 2.0E-04 2.0E-04 r ~~ . <br />07/09/88 11.03 60 120 0.80 0.25 9.3E-0S 1.5E-04 <br />07/09/88 11.05 60 180 1.15 0.35 1.3E-04 1.4E-04 5 G-J`~ ~ <br />07/09/88 11,07 60 240 1.60 0.45 1.7E-04 1.5E-04 <br />07/09/88 11.08 60 300 1.85 0.25 9.5E-05 1.4E-04 <br />07/09/88 11.17 300 600 2.70 0.85 6.5E-05 1.0E-04 <br />07/09/88 11.25 300 900 3.60 0.90 7.0E-05 9.1E-OS <br />07/09/88 11.33 300 1,200 4.40 0.80 6.3E-OS 8.4E-OS <br />07/09/88 11.42 300 1,500 5.05 0.65 5.2E-05 7.8E-OS <br />07/09/88 11.50 300 1,800 5.55 0.50 4.1E-OS 7.1E-0S <br />K °- In - <br />Note: Permeability calculations pefornied using the following formals: ti= <br />g.L(ti..t~) Nz <br />=Diameter, Intake, cm <br />d =Diameter, Standpipe <br />~. =Length, Intake <br />{, =Time, sec <br />F{ = Piezame[ric read <br />Reference: Mint erkorn, Nans F. end Feng, Hsai-Yang (1975). Fwxda[ion Erg ineerirg H~rdbook, <br />Van Nos[ranad Reinhold Company, Neu Tork, 12 p. <br />