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F:EID PCRnEABILIir .CS. <br />PROJECT: San Luis ~ BORENOIE NO.: Bx 10 <br />JOB NO.: 14702 DATE: 07/17/88 <br />VARIABLE READ NETX00 <br />INITIAL MT. TO WATER: 46.20 feet PIPE DIAMETER: 3.18 cm <br />HT, i0 VATER ADDED FOR TEST: 0.00 (eeC PIPE AREA: 7.92 cm2 <br />TOTAL DEPTN OF BOREHOLE: 80.00 feet BOREHOLE D IAMETER: 15.24 cm <br />TOP OF PIPE TO GROUND : 3.00 feet BOREHOLE AREA: 182.41 cm2 <br />TOTAL DEPTH OF PIE20NETER: 79.00 feet SCREEN LENGTH: 10.00 feet <br />TOP OF SEAL: 37.00 feet BOTTOM OF SEAL: 39.00 feet <br /> PERMEABILITY <br />Date Time increment Total Veter Change in lncrem. Gtmn. <br /> Elapsed Elapsed Level Ht. of Perm• Perm- <br /> Time Tlme Reading Va[er ability ability <br />00/00/00 (Hrs.) (Sec.) (Sec.) (F t.) (F[.) K K <br /> ( cm/sec) (cm/sec) <br />07/17/88 13.42 0.00 <br />07/17/88 13.43 60 60 4.35 4.35 B.7E•OS 8.7E-05 <br />07/17/88 13.45 60 120 6.45 2.10 4.5E-05 6.6E-OS <br />07/17/88 13.47 60 180 7.90 1.<5 3.2E-0S 5.5E-0S <br />07/17/88 13.48 60 240 9.25 1.35 3.1E-0S 4.9E-0S <br />07/17/88 f3.50 60 300 10.35 1.10 2.bE-OS 4.4E-0S <br />07/17/88 13.58 300 600 15.80 5.45 2.9E-05 3.7E-OS <br />07/17/88 13.67 300 900 19.50 3.70 2.3E-OS 3.2E-0S <br />07/17/88 13.75 300 1,200 23.05 3.55 2.5E-OS 3.0E-0S <br />07/17/88 13.83 300 1,500 26.30 3.25 2.bE-OS 2.9E-OS <br />07/17/88 13.92 300 1,800 30.15 3.85 3.8E-OS 3.1E-OS <br />07/17/88 14.00 300 2,100 32.90 2.75 3.3E-0S 3.1E-OS <br />O7l17j88 14.08 300 2,400 35.35 2.45 Y.6E •OS 3.2E-05 <br />07/17/88 14.17 300 2,700 37. BO 2.45 4.5E-05 3.3E-0S <br />07/17/88 14.25 300 3,000 39.95 2.15 5.2E-OS 3.5E-0S <br />07/17/88 14.33 300 3,300 <2.00 2.05 6.9E-0S 3.8E-0S <br />07/17/88 14.42 300 3,600 42.70 0.70 3.2E•OS 3.8E-0S <br />07/17/88 14.50 300 3,900 43.80 1.10 6.bE-OS 4.0E-05 <br />07/17/88 14.58 300 4,200 44.40 0.60 S.OE-OS 4.0E-OS <br />07/17/88 14.67 300 4,500 44.90 0.50 5.7E-0S 4.2E-05 <br />07/17/88 14.75 300 4,800 45.15 0.25 3.7E-0S 4.1E-0S <br />07/17/88 14.83 300 5,100 <5.20 0.05 B.SE•06 3.9E-OS <br />07/17/88 15.17 1,200 6,300 45.55 0.35 1.9E-05 3.5E-0S <br />07/17/88 15.67 1,800 8,100 45.90 0.35 2.3E-0S 3.3E-05 <br /> d2 ~~ / 2m L1 <br />t <br />/ <br />N <br />No[e: Permeability calculations pe formed using the following fornula: Kti~ 0 <br />In <br />~ <br /> <br /> p = Diameter , In[ake, cm <br /> d = Diameter , St ardpipe <br /> L = Length, intake <br /> { = Time, sec <br /> f{ = Pi e:omet ric Nead <br />Reference: Vinterkorn, Mans F. end Fang, Hs ei-Tang (19751. foundation Engi neering NerdbOOk, <br /> Van Nost renad ReiMOld Company, Neu cork, 32 D• <br />