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RIPRAP <br />NHERE REDUIRED <br />T YP/CAL SPIL L WA Y <br /> Flow Bottom Width Sids Slope Depth liner <br />Channel D Sloe <br />~ IBWI H:7V o/ Flow IDI Veloclt <br />~ Freeboard <br />Iftl Total Depth <br />If <br />l Vep/D 0 <br />~ <br /> lofel 1 Iftl Ittl Iftl Itl Itpel l t IIn113 <br />Si-f <br />EmerOency Spillway 78.6 99 70.0 3.0 0.3 8.2 LO L3 6' <br />ST-2 ~t1 33 10.0 3.0 0.8 l.I f.0 t8 8° <br />Emerpsncy SpBlwsy <br />NOTES: <br />1. Depth of flow based on minimum grade. <br />2. Velocity based on maximum grade <br />3. Riprap based on Pader method plus 3". <br />>„a ae. A,.,, AAW As`.A.r SENECA COAL COMPANY <br />)A-t! LOI A NSY A ReW 1 1W V 1 1 <br />TpZOr XY AewA{geeN <br />~"°' ° YDA ST M/NE POSTM/N/NG <br />eoA~ naue «. <br />© M W H ""°'° "°""°°' "' EMERGENCY SP/LL WA Y DES/GN <br />MA YO-YJ!L9 <br />