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MINING AND RECLAMATION PLAN <br />MT. GUNNISON N0. 1 MINE <br />• Sear Oesign Forces - As discussed <br />above the seals is the sum of the <br />elevation between north and south <br />hydraulic head increase above the <br />at different locations are summar <br />January, 1986 <br />in the Seal Design Basis, hydraulic heads <br />hydraulic head due to the difference in the <br />ends of the mine and maximum possible <br />F seam. The hydrostatic pressure on the seals <br />ized in the Table 3.5.2.T1. <br />A safety factor of three was used to calculate the ultimate design forces on the <br />seals. It should be noted that the total force on the Mine Entry and Sylvester <br />Gulch seals is the maximum developed behind the seals and should withstand the <br />pressures from hydraulic heads even without the seals under the Minnesota Creek <br />and South Prong. Necessity for the intermediate plugs in the mine under <br />Minnesota and South Prong Creeks will depend on the data gathered during the 25 <br />year mine life. <br />LJ <br /> <br />3-83 <br />