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77.1900 (A)(6) General Characteristics of Strata <br />Strata - The shaft will be developed <br />through strata composed of <br />interbedded sandstones, <br />mudstones, shales, and coal <br />beds (see attached Lithology <br />log) . <br />77.1900 (A)(7) Type of Equipment to be Used <br />Equipment - An Ingersoll (Robbins) Model <br />RBM # raise drill will be <br />utilized to drill the pilot <br />hole and upream the 5-foot <br />diameter hole, the lining phase <br />of the construction will <br />utilize a temporary aline hoist <br />with a multi-stage work deck, a <br />man hoist and concrete form <br />hoists (details followed in <br />Section 77.1903 - Hoists and <br />Hoisting) <br /> <br />~~-'~NOVED CMS & H ~~ AP 2 ~ r95 <br /> <br />f~ <br />i <br />6 <br />