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Probable Hydrologic Consequences New Elk Mine 13-14 <br />Table B - 3. NE -6 -10a Packer Testing Results (Continued) <br />Calculating Hf (frictional loss in ft of head /100 ft of pipe) <br />Flow m C=110(2" dia. pipe) C =120 2" dia. pipe) <br />3 0.1 -- <br />4 0.1 0.1 <br />5 0.1 0.1 <br />10 0.4 0.4 <br />15 0.9 0.8 <br />20 1.5 1.3 <br />30 3.3 2.8 <br />40 5.6 4.7 <br />50 8.4 7.2 <br />60 11.8 10 <br />70 15.7 13.3 <br />80 20.1 17.1 <br />90 24.9 21.2 <br />100 30.3 25.8 <br />150 64.2 1 54.6 <br />200 1 93 <br />Notes: <br />1�1 Friction Loss Constant; See above table for values of C =110 which were interpolated for the respective flow. <br />X21 Differential Head = Hg + Hp - Hf <br />(3) Differential Pressure back calculated from the Differential Head (i.e., Differential Pressure = Differential Head *0.433) <br />(4) No transducers were used; pressures were monitored manually with frictional losses taken into account. <br />Hg = Head to overcome gravity <br />Gp = Gage Pressure <br />Hp = Gage Pressure Head <br />Hf = Head of Frictional Loss <br />K = Hydraulic Conductivity <br />0 0 <br />• • <br />4164A. 110 130 Whetstone Associates <br />PR 02 Exhibit 8(4) Page 174 Revised 1/31/11 <br />