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I • <br />L~ <br /> <br />Table 2 <br />Sylvester Gulch Shafts <br />Materials Quantities for Permanent Shaft Facilities and Construction <br />Cu. Ft. Cu. Yds. Lbs. Tons Sq• Ft• <br />Intake Collar Concrete <br />4 Feet Deep 3,248 120 812 <br />Exhaust Collar Concrete <br />4 Feet Deep 3,248 <br />Concrete Foundations for Fans <br />4 Feet Deep 6,210 <br />Hoist Tower Steel 150,000 <br />Fan Ductwork Steel (280'L x 8' x 10') 21,900 <br />MCC Building Steel 2,400 <br />Intake Shaft Excavation: <br />Subsoil <br />Waste Rock <br />Coal <br />Exhaust Shaft Excavation: <br />Subsoil <br />Waste Rock <br />Coal <br />69 I <br />120 <br />230 <br />4,486 <br />60,000 <br />17,000 <br />3,115 <br />47,000 <br />21,760 <br />70,000 <br />115,000 <br />15,000 <br />812 <br />1,552 <br />7,872 <br />75,000 <br />10,800 <br />5,467 <br />60,000 <br />13,830 <br />Revised OCI. /998 TR86 <br />