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Bulkhead Design <br />Page 5 <br />Strength of Floor and Roof to Resist Farce on Seal <br />*Roof = 35 mPa = 5,076 psi - Uniaxia~Compressive <br />floor = 40 Mpa = 5,801 psi - Strengths <br />ROOF <br />1 - . - ~7 31,032 lbs <br />-/ Flu = 31 032 lbs x 2SF = 431 psi ` 5,076 psi <br />144 in <br />.'. 0 K <br />FLOOR <br />P2 62,064 lbs. <br />12" <br />V ~T <br />P2u = 62,064 lbs x 2 S.F = 862 psi ~ 5.801 psi <br />.'. 0 K <br />144 in <br />Data taken from a report titled Initial Geotechnical Study, Logging Testin <br />Analysis for Longwall Mining, Eagle ~5 and n6 Mines, Pg. 23 by Sieg-Miller, <br />August 1983 for Empire Energy Corporation. <br />