Laserfiche WebLink
r 1 <br />U <br />TABLE 2.05.3(4)(d)-5 <br />GRAND MESA COAL COMPANY <br />POST RECLAMATION SEDIMENT POND CAPACITY <br />WATER VOLUME <br />ACRES CURVE STORM RUNOFF VOLUMB AF <br />19.247 74 2.20 0.45 0.72 <br />24.190 82 2.20 0.78 1.57 <br />TOTAL REQUIRED WATBR VOLUME 2.29 <br />CERTIFIED WATER VOLUME 5/7/85 2.37 <br />9BDIMENT VOLUMfi <br />USING THE UNIVERSAL SOIL LOSS EQUATION <br />A= R K L S C P <br />R = rainfall factor 35.00 <br />K = soil erodibility factor 0.32 <br />LS = combined length slope factor 8.30 <br />• C = cropping management factor mulch 0.18 <br />P = erosion control practice factor 0.90 <br />A = sediment in tons/acre/year 15.06 <br />THREE YBAR SEDIMENT VOLUME ACRE FEET 0.78 <br />CERTIFIED SEDIMENT VOLUME 5/7/75 1.22 <br />TOTAL REQUIRED SEDIMENT POND CAPACITY 3.08 <br />TOTAL CERTIFIED SEDIMBNT POND CAPACTY 3.59 <br />Revised June 16, 1988 <br />