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EC�t <br />SCRIP T AM- <br />O SOIL. BED RQGK: . 7 "PT" <br />� RIP P'{3j=3neh1g'O s1 1J2 - 4t t °D� 50J 9�BO�NDARY <br />� • G Ets/s e:„TO FII G0105 1N . V 1.. FRCE <br />; BEDR'OCK- <br />FLOW -7 <br />- CHANNE <br />- 5927 <br />BEDROCK <br />OREPAD DETENTION <br />SECTION C-C <br />f - 20' <br />I- --2.0' <br />3 71 <br />w <br />0 <br />100 -YR PEAK DESIGN FLOW - RUN ON DIVERSION - PLAN VIEW <br />SECTION Y -Y SEC110N E -E T - 40' SECTION F -F <br />Flow 8.35 cfs 8.35 cfs - 11.31 cfs <br />Slope 0.089 ft/ft 0.195 ft /ft - 0.020 ft /ft <br />Depth 18.0 in <br />Bottom width 60.0 in <br />Left slope 0.33 ft/ft (V/H 0.33 ft /ft (V/H) - 0.33 ft /ft (V/H) <br />Right slope 0.133 ft/ft (V/H) 0.133 ft/ft (V/H) - 0.33 ft/ft (V/H) <br />Manning's n 0.0390 0.0350 - 0.028 <br />Depth 3.52 in 2.67 in - 5.9 in <br />Velocity 4.34 fps 6.10 fps - 4.0 fps <br />Percent full 19.6 X 14.8 X - 32.8 X <br />8.00' <br />DETENTION POND 10 -YR /24 HR DESIGN VOLUME - <br />BASIN AREA CN 010 VOLUME <br />PA -C 1.277 90 1.069 4,650 <br />DETENTION POND 100 -YR /24 HR DESIGN VOLUME - <br />BASIN AREA CN D10 VOLUME <br />PA -C 1.277 90 1.957 8,681 <br />CENTRAL DETENTION POND <br />BASIN AREA <br />PA -1 0.365 <br />BASIN AREA <br />PA -1 0.365 <br />10 YR WSEL - <br />5922.0 <br />i <br />SECTION D-D <br />T -20' <br />DETENTION POND 24 HR /10/100 - YR DESIGN <br />ELEV <br />5926.0 <br />• 5925.5 <br />'SECTION Z -Z <br />T -10' SEE SHEET U -4 FOR CALCULATIONS <br />i <br />6 1nch LAYER OF 3 -inch D5D- „` • <br />,12IPRAP\AS VELOCITY REDUCER _ <br />CN D10 VOLUME <br />92 1.210 1,603 <br />CN D100 VOLUME <br />92 2.133 2,826 <br />VOLUME PROVIDED - <br />5925.0 <br />5924.0 <br />AREA <br />2273.78 <br />1616.33 <br />1234.64 <br />952.06 <br />CHANNEL • <br />-'f]SSCHARt <br />ppINT 173t2 <br />0" <br />RIRRAP <br />DISCHARGE POINT RIPRAP PROTECTION SIZING <br />Slope 0.05 ft/ft <br />Manning's n 0.0352 <br />Depth 5.33 in <br />Velocity 4.90 fps <br />Using the Shear Stress design formula - <br />ST- 62.4xdxs, where d Is depth (ft) and s is <br />slope (ft/ft) yields a ST of 1.4 which equates <br />to a 6 -inch d50 RIPRAP. <br />As an additional safety factor upsize to a <br />9 -inch D50. Thickness is 2 x d50 or 1.5 ft. <br />VOLUME PROVIDED 0 ELEVATION 5922.0 - 5837 CU.FT. <br />VOLUME - <br />VOL (CONIC) <br />2768.8 <br />1800.9 <br />1090.3 <br />0.0 <br />EAST RUN ON <br />DIVERSION <br />SWALE <br />CHECK DAM <br />T -4' o <br />.. 22 1 <br />1' i - . <br />4 IN D50--/t <br />COBBLE <br />DATE: 2/11/11 <br />SHEET 3 OF 5 <br />ELEV <br />5923.0 <br />5922.0 <br />5921.0 <br />5920.0 <br />DRAWN BY: JCP, JR. <br />CENTRAL DETENTION <br />OVERFLOW <br />100 -YR PEAK <br />Channel Data <br />Flowrate 3.82 cfs <br />Slope 0.095 ft/ft <br />Height 18.0 in <br />Bottom Width 42.0 in <br />Left slope 0.33 ft/ft (V/H) <br />Right slope 0.33 ft/ft (VA-I) <br />Manning's n 0.0280 <br />Depth 2.10 in <br />Velocity 4.73 fps <br />Percent full 8.76 X <br />AREA <br />5060 <br />3646 <br />2459 <br />1370 <br />WajlON F-F <br />VOL (CONIC) <br />9254.6 <br />4921.2 <br />1888.3 <br />0.0 <br />OVERFLOW <br />NEL <br />PERMIT BOUNDARY <br />to <br />INFLOW <br />---1 <br />L5.0. <br />RIMROCK EXPLORATION & DEVELOPMENT <br />PRINCE ALBERT MINE - 1110D PERMIT APPLICATION <br />EXHIBIT U-3 - STRUCTURES 2 <br />Surface Water Control and Contahnent Faoltks <br />JAMES C. PIERCE. JR. <br />P.O. BOX 100 <br />NUCLA, COLORADO 81424 <br />0701 884 -7455 <br />