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T <br />t, <br />�o <br />c- <br />C <br />c <br />U <br />a' <br />r) <br />POND No. RP -4 <br />SEDIMENTATION POND CALCULATIONS <br />REQUIRED POND CAPACITY <br />WATERSHED AREA 30.51 ACRES <br />DISTURBED AREA WITHIN WATERSHED 30.51 ACRES <br />UNIVERSAL SOIL LOSS EQUATION — 3 YR SEDIMENT VOLUME 3.79 A. F. <br />SCS RUNOFF FOR 10 YR — 24 HR STORM 2.61 A.F. <br />TOTAL REQUIRED VOLUME 6.40 A. F. <br />POND VOLUME <br />It <br />CONTOUR <br />AREA <br />(ACRES) <br />AVG. AREA <br />(ACRES) <br />INTERVAL <br />(FT.) <br />ACCUM. CAPACITY <br />(AF) <br />5498 <br />0.67 <br />0.00 <br />1.08 <br />4.0 <br />5502 <br />1.49 <br />4.32 <br />1.530 <br />m <br />5503 <br />1.57 <br />5.85 <br />5 <br />5504 <br />1.67 <br />7.47 <br />1.72 <br />1.0 <br />5505 <br />1.76 <br />9.19 <br />1.86 <br />2.0 <br />5507 <br />1.96 <br />12.91 <br />I <br />d <br />SURFACE AREA <br />AREA @ TOP OF PRINCIPAL SPILLWAY 1.96 ACRES <br />SPILLWAY DISCHARGE DESIGN <br />SCS DISCHARGE FOR 10 YR - 24 HR STORM 9.65 CFS <br />SCS DISCHARGE FOR 25 YR - 24 HR STORM 15.43 CFS <br />NOTE: DISCHARGES SHOWN ABOVE ASSUME POND FULL CONDITION <br />AT BEGINNING OF STORM <br />.01 <br />1 1 S 4 �) b / t5 'J lU I I IL 1,7 <br />VOLUME <br />(ACRE FEET) <br />ND STAGE VOLUME CURVE <br />0 <br />H <br />Q <br />5515 <br />5510 <br />5505 <br />5500 <br />ICd <br />Ln <br />54950 o c <br />o � c <br />0 0 <br />C PROFILE EMEF <br />� Ditch <br />��__-3:_ <br />4 <br />r° <br />TOP <br />P nI-\- 7-7r\n A <br />30" CMP <br />ELEV. 5507.0' <br />F-i r" 5499.85' <br />�m <br />�o <br />J CC <br />Q <br />J tz <br />Cc <br />z� <br />,C�_ <br />QL_� <br />5 <br />5 <br />5 <br />5 <br />POiVD EL. = 5 98 <br />510 <br />EL. = 5 07. ' <br />505 <br />500-- - ' <br />495 j <br />Ann <br />0 0 0 0 0 <br />SECTION A <br />1 " = 10' V <br />1 " =50'H <br />PLAN — SEDIMENT POND RP -4 <br />1 "= 50'H <br />55 ' <br />AT <br />55 <br />55 <br />55 <br />54 <br />54 <br />J <br />J <br />z <br />Emergency <br />illwoy <br />Ditch <br />PERMIT MAP 78. <br />o O <br />O O O <br />+ + + <br />O <br />SECTION B <br />1 "= 10'V <br />1 " = 50' H <br />REVISIONS <br />Z <br />0 <br />O <br />w <br />0 <br />a <br />m <br />Cn <br />5 <br />Li <br />z <br />0 <br />4 <br />00 <br />>m <br />W <br />3 <br />I <br />d <br />LJ <br />w <br />W, <br />2 <br />_j <br />ww <br />.01 <br />1 1 S 4 �) b / t5 'J lU I I IL 1,7 <br />VOLUME <br />(ACRE FEET) <br />ND STAGE VOLUME CURVE <br />0 <br />H <br />Q <br />5515 <br />5510 <br />5505 <br />5500 <br />ICd <br />Ln <br />54950 o c <br />o � c <br />0 0 <br />C PROFILE EMEF <br />� Ditch <br />��__-3:_ <br />4 <br />r° <br />TOP <br />P nI-\- 7-7r\n A <br />30" CMP <br />ELEV. 5507.0' <br />F-i r" 5499.85' <br />�m <br />�o <br />J CC <br />Q <br />J tz <br />Cc <br />z� <br />,C�_ <br />QL_� <br />5 <br />5 <br />5 <br />5 <br />POiVD EL. = 5 98 <br />510 <br />EL. = 5 07. ' <br />505 <br />500-- - ' <br />495 j <br />Ann <br />0 0 0 0 0 <br />SECTION A <br />1 " = 10' V <br />1 " =50'H <br />PLAN — SEDIMENT POND RP -4 <br />1 "= 50'H <br />55 ' <br />AT <br />55 <br />55 <br />55 <br />54 <br />54 <br />J <br />J <br />z <br />Emergency <br />illwoy <br />Ditch <br />PERMIT MAP 78. <br />o O <br />O O O <br />+ + + <br />O <br />SECTION B <br />1 "= 10'V <br />1 " = 50' H <br />REVISIONS <br />Z <br />0 <br />E-� <br />a <br />0 <br />W <br />I <br />d <br />F <br />d <br />0 <br />w <br />� <br />,LOA U <br />Technical <br />Services <br />140 North Cedar Hills Dr. <br />Price, Utah 84501 <br />(435) 637 -3557 <br />FAX (435) 636 -8203 <br />f <br />DRAWN BY: <br />J. Timothy <br />CHECKED BY: <br />J.S.H. <br />DATE: <br />8/4/99 <br />SCALE: <br />As Shown <br />JOB NO. <br />203 <br />DRAWING NO. <br />MAP 80 <br />CHART 1 nF 1 <br />E-� <br />W <br />I <br />d <br />w <br />� <br />wN <br />w <br />� <br />rO <br />Ate., <br />f <br />DRAWN BY: <br />J. Timothy <br />CHECKED BY: <br />J.S.H. <br />DATE: <br />8/4/99 <br />SCALE: <br />As Shown <br />JOB NO. <br />203 <br />DRAWING NO. <br />MAP 80 <br />CHART 1 nF 1 <br />