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HomeMy WebLinkAboutWPO201500037 Calculations 2015-08-04 Virginia Runoff Reduction Method Worksheet *ore Noe Virginia Runoff Reduction Method New Development Worksheet--v2.8_2011 Specs Site Data Summary Total Rainfall=43 inches Site Land Cover Summary A Soils B Soils C Soils D Soils Total %of Total Forest(acres) 3.87 0.63 2.73 0.00 7.23 32.25 Turf(acres) 0.00 10.22 1.12 0.00 11.34 50.61 Impervious(acres) 0.00 3.84 0.00 0.00 3.84 17.14 22.41 100.00 Site Rv 0.27 Post Development Treatment Volume(ft3) 22311 Post Development TP Load(lb/yr) 14.02 Post Development TN Load(Ib/yr) 100.28 Total TP Load Reduction Required(Ib/yr) 4.83 Total Runoff Volume Reduction(ft3) 9020 Total TP Load Reduction Achieved(Ib/yr) 6 Total TN Load Reduction Achieved(Ib/yr) 81.00 Adjusted Post Development TP Load(lb/yr) 8.36 Remaining Phosphorous Load Reduction(Lb/yr)Required 0. Drainage Area Summary D.A.A D.A.B D.A.C D.A.D D.A.E Total Forest(acres) 0.00 0.00 0.00 0.00 0.00 0.00 Turf(acres) 9.22 0.00 0.00 0.00 0.00 9.22 Impervious(acres) 3.27 0.00 0.00 0.00 0.00 3.27 12.49 Drainage Area Compliance Summary D.A.A D.A.B D.A.C D.A.D D.A.E Total TP Load Red.(Ib/yr) 5.66 0.00 0.00 0.00 0.00 5.66 TN Load Red.(lb/yr) 81.00 0.00 0.00 0.00 0.00 81.00 Summary Print Virginia Runoff Reduction Method Worksheet *law" Noe Drainage Area A Summary Land Cover Summary A Soils B Soils C Soils D Soils Total %of Total Forest(acres) 0.00 0.00 0.00 0.00 0.00 0.00 Turf(acres) 0.00 8.10 1.12 0.00 9.22 73.85 Impervious(acres) 0.00 3.27 0.00 0.00 3.27 26.15 12.49 BMP Selections Practice Credit Area(acres) Downstream Practice 9.b.Sheetflow to Conservation Area with C/D Soils(Spec#2) Impervious: 3.092401 Turf(Pervious): 8.726492 Total Impervious Cover Treated(acres) 3.27 Total Turf Area Treated(acres) 9.22 Total TP Load Reduction Achieved in D.A.A(Ib/yr) 5.66 Total TN Load Reduction Achieved in D.A.A(Ib/yr) 81.00 Summary Print Virginia Runoff Reduction Method Worksheet Noe love Channel and Flood Protection Weighted CN 1-year 2-year storm 10-year storm Adjusted CN storm Adjusted Adjusted CN CN Target Rainfall Event(in) 3.05 3.69 5.57 D.A.A CN 72 68 69 70 D.A.B CN 0 #N/A #N/A #N/A D.A.C CN 0 #N/A #N/A #N/A D.A.D CN 0 #N/A #N/A #N/A D.A.E CN 0 #N/A #N/A #N/A Summary Print Nair' ',ware CD q A 10-151 § § § § § R S G F ® CO OD Q & K / 7 q 0 # S g f @ a ® D - \ \ O 8 f _c = 8 D \w di S 2 Co ƒ k u a) 1 f E ) J - § § + 2 C 0 a) 0 § m \ CA la W ( a)co as _ - _a) e k 0 CD c ƒ 2 k p it CO / a + t k C § 0. 3 m z : CO - c a. a) o 2 0 } > 2 k2 — ~ CD N § ® § ^ UII'99 & /] 8■ 8 8 8 n 888 ° ;■ ® # a F. 333 ■■a Ig / ) k 8 / &) , , 00 3 § § 2 ! § § / ~ # ƒ2222, \ co , . _ \ ) § § 0) / ® � LU � ) CO ) ( - }\ Z TOS ; « f § 0 _ & ! % af! j $ { { § ; ( ) \ [ ) ) � ; 9 $ § A § >' ) � } f \ } }/ \)\ 0 " c ) | 27 ` ® 9 ( ■ ) ] , , c mgI E % > ƒ � \ \ & l; e , | { ® c ©7- ° ; ; # k § f § 2 \ ) ( a222 2 o@T, ! > kk/! " ,_�CDr-, � -",- Noe Name to s Co 000aoo 00 S8888 888888oo q o w 0 m y w o w N w o m cw w w o o o u� �o m o w `�' w y g g S w w Ig w w w a 0 0 0 M1 0 oHNiW . WN WO O VS NO 88 N0 . O O KM O O O O . O . oci H S W a- 1. . O RI'N 'D ZI O V m 'O O O N N O c c c c m c c ti' u c c c c c m c c m e �i c c c . 1 . .1 . 2A - O.,0 ' O O of n,N O 1� p0 - p0 N g V m S fV m N fV d n O O O O ^ O N O 01 O - ,..q ... .. O ro x 2 N a .- a a c u m o ;52 - i Ti,' cEym dbu u@csE 8 m - .5. .. - '5g ; -28 .5. S 1.E2- E -F_ v 3 oyEmo H _ c tmo8 « - Ui - _ u ? g « « Um , c 35 .Hr mm t `m " O cHt We g � d * m .g...,°t a . a W a n . . § E v m . 5 g. t c c c c c u c c S iic c c _E c 5 c c c c E c c 0" gi c c c c c c c 0 c O Yl m O v 0 N r - V a' :O �V O N O O ^ c ry OOO O O O O ! c a NIV vBA BA o 2a 0 3 2 .8 E �' y t Er. E If S co E o `o E E c _ o15 .',;: 5. 4 G 4 4 ▪ W i -g F . w� m - � � g$ ate` n n$ t£$nitg C - _ .. _`m c c a t s t _ _`v m _ a v g v.* a .g v .N * m j C cO J a m g E d M Yy w t o C H 0 a h =U .6 O eaN -. 91?V g c N . o v _ U « b : ^a 8 GI N N = K E b 12 :0--1 99 ; Q 6 6 L O C t -' ri O a n o O 9 l c .. 00.10 y .S N u a n m c E « N w 3 0 '2 dN ,pHC W-: m o o _ o y U a aa i ` . L $ ddc mi.y E llm1@ $ ouu $ z . d2� Cc1 Ha $ mwlnmmd N ; El awo d)• O` E N M a N 0 � O O O N M N r N N N N N N O N N N M M M m X � M M M m < 4 e Yy V < O 4 Y N n N 2 1 NW Z Nome Nwe up E A )}) § �� ,1 u - \] 2 ut 3 d cu 2 "I -11 \k ) ka r TDR EE r k0o91 k ) § 4| !/§ \ / 7 �E\ § \ a. \ ; _ ago c ° �« } S > % I .z 0