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4.3.1.6 Coal Handling Structures <br />Conveyor <br />The mine is serviced by an above-ground 36-inch truss conveyor system, <br />3,150 feet in length, as shown on Drawings D-3-4 and D-3-6. The <br />flexible conveyor is made of laminated nylon fiber and synthetic <br />rubber, with steel beam supports and tubular steel crossmembers. The <br />supports are mounted on concrete piers and footers at 100-foot spans. <br />Safety features include a loud buzzer which sounds for 5 seconds <br />before the conveyor is put into motion. An emergency grab line is <br />installed throughout the length of the conveyor, allowing anyone <br />nearby to stop it at any time. <br />The conveyor is a totally enclosed system. All spans are covered by a <br />semi-circular corrugated metal shroud extending down past the conveyor <br />sides, to protect coal from wind and rain. Any spillage is captured <br />and contained by metal splash pans and earthen berms and ditches. <br />Upon final relamation, all coal handling structures will be <br />dismantled, salvageable materials recovered, and the remaining por- <br />tions hauled away and disposed of. Foundations and ground floor <br />concrete slabs will be left on site and covered with two feet of soil <br />for final reclamation. No blasting is anticipated during this <br />process. <br />The concrete conduit in North Thompson Creek will be broken into sec- <br />tions and removed off-site. The original stream channel hydraulic <br />capacity will be achieved by removing all fill material and re- <br />establishing the stream cross section to substantially conform to the <br />premining cross section. Refer to sheet 26 of 32, North Thompson <br />Creek Flows, in Appendix 4-B for an example of the undisturbed stream <br />cross section at the downstream end of the concrete conduit. Across <br />section taken at the mine portal is shown on sheet 24. The fill <br />• <br />4-20 <br />