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<br />
<br />• ~.`. .. v
<br />~t{f. ~ACDI1 a~dViO iitnh 11C. ~ - 4•SF-06
<br />SITE PREPARATION & DRAINAGE
<br />twrraare-carnrucrore REV. 0 .
<br />aAIT tAaa Cltr. IRAr STANDARD FORM
<br />RUNOFF F9 SEDIMENT CALCULATIONS =~,7~q, ,_
<br />SHY. OF
<br />f' _
<br />DETERMINATION OF SEDIMENT VOLUME, SETTLING•VOLUME
<br />AND TOTAL STORAGE VOLUME OF SEDIMENTATION PONDS
<br />PROJECT WcsTea,v FUELS UrpK INC, pesE~poo Mit~E_, JOB NO. UC•34In-IC~
<br />~- S~DU nQA,N-neeS- WpTG~2S HEAD
<br />N4~L Roan D~~tigC~, TAP <<tL~Elzr Cp,~r.. ..-P-max,-NO: ~-~ ..W-~ '~
<br />BY gyp. BARYON DATE SE PT ~4~j9 90 CHECKED BY DATE _
<br />~... r, sac ::.^s nr,',. ^Wrt~,~. _
<br />6. Peak Rate of Discharge • Used to Oesign Emergency Spillway, Road Culverts and Interreptor Ditc(sp;~,
<br />Drainage Area ~2-~3 _ Acres ~~•' -... '. rrx s': ,•.f°
<br />Hydrsulie Length ~ 1~.3 0 _ Feet
<br />Equivalent Drainage Area = ~~ Acres
<br />Average Watershed Slope °b o4
<br />Weighted Watershed Runotl Curve Number -
<br />
<br />( Fig. 7 ; TP-1491''°~,~ i ::!.?, n; Iri+? !•ar' .J
<br />' 'V ~ '0 11 ~.!
<br />.,,!
<br />'7~j AMC 1'Y~ 1 s ;; .
<br />! ~, i
<br />, ,. 1 v.
<br />e
<br />A. Peak pate of Discharge from Charts ES•1026, ES-1027, TP-149 - ~ '
<br />Rainfall Frequency a ~_ Years Rainfall Depth = ~ • 8 Inches ~ r
<br />' ... ~ ~.c
<br />O (For !
<br />1 ~,_ RCN11 ° OIES 102_forntroEaArE slopes) x Slope Correction Factor (Ea: 2-0)
<br />,. r
<br />5.4-_a 1.07__ 5.7~~_di
<br />Q2(For ~ RCN21' _._. 8•. ~0 __x 1.07 = q.~20 cfs
<br />Equivalent Discharge ~ 12 ,1 I ets (Interpolate Between Ol and OZ) ~~
<br />Actual Peak Discharge ~ Equivalent Discharge x Actual Drainage Area ~' _. '
<br />Equivalent Drainage Araa
<br />6.52 2.03 9.53 ~ ~
<br />Actual Pesk Oischerge x ( 1 ' , ds,
<br />1 9,7 `• i
<br />,•
<br />Note: O1 end 02 above refer w runoff resulting from RCN's to nearest 5 160, 65, 70; ate.)
<br />It eompuCCad RCN ends in 0 or 5 (60, 65, 70, ate.) , 02 end the rear line will not
<br />M needed. In this case, 01 runoff will ba the aquiralgnt Disclierq's. Refer to
<br />SCS•TP•149 and Engineering Field Msnuel, Chapter 2. ~ ` ~
<br />Type I Storm distribution ES-1026: Hawsii, Alaska costal side of$igrra Nevada '
<br />and Cascade Mountains in California, Dragon and Washington. ` ~- '~ '
<br />Type II Storm distribution ES-1027: rest of United States, Puerto Rico, and^~~~•~
<br />the Virgin Islands.
<br />~ i
<br />l°J
<br />~ WATERS{(EAD W-7
<br />SC,UL~ION GUL.tH
<br />PASSES.
<br />
<br />IS q 'Ct(pICAL SIOE DRAIUAG~E TO ,
<br />OVERWNICFi THE 1-iAUL ROAD ,-
<br />i
<br />
<br />100
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