Laserfiche WebLink
EXISTING POSTMINE CHANNEL <br />3:1 OR FLATTER <br />LIMITS OF EXCAVATION 10' <br />PROFILE VIEW <br />FRONT VIEW <br />8_>6 -18" DIAMETER PIPE <br />I I <br />II 2.5.1 SLOPE <br />Y II <br />3 II MAX. 10 TOP EMBANKMENT <br />N II <br />I I <br />II 2.5:1 SLOPE <br />TR4 II <br />I I <br />ROCK ENERGY <br />DISSIPATER AT OUTFALL <br />07 -31 -12 <br />TOP VIEW <br />PIPE <br />EXISTING GROUND <br />DIAMETER PIPE <br />ENERGY <br />ATER AT OUTFALL <br />CHANNEL <br />PLAN VIEW <br />• STRUCTURE CAPACITY <2 ACRE —FEET <br />• EMBANKMENT <br />— Ig 8 FEET HIGH <br />— COMPACTED FILL <br />— KEYWAY 3' X 10' COMPACTED <br />• SPILLWAY — CONSTRUCTED TO SAME DIMENSIONS AS POSTMINE CHANNEL <br />(SEE APPENDIX 13 -12.3) <br />• 2 — (6 -18) INCH PIPES INSTALLED TO PROVIDE STRUCTURE DEWATERING <br />(OPEN END T WITH SLOTTED RISER ATTACHED TO EACH PIPE) <br />• EMBANKMENT WALL BE TOPSOILED <br />• EMBANKMENT WILL BE SEEDED WITH A MESIC DRAINAGE SEED MIX <br />• EACH STRUCTURE WILL BE FIELD FIT <br />sE��A <br />Coal Company <br />SCALE PROJECT. SENECA YOAST MINE <br />GRAVING PRE <br />10 0 10 20 TYPICAL <br />RUNOFF CONTROL STRUCTURE <br />srl r a i s.n <br />oa.wl er: as /x xu[: noa <br />