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HomeMy WebLinkAboutSDP202100065 Plan - VSMP 2022-01-31ABC BLOCK 1 Inlet Drainage Area Impervious Pervious C WOOAS C Summary 0.9 0.3 0.2 LD-204 ABC BLOCK 1 stormwmer Inlet Comur41lon3 In IsGrath,Ort, a lnme on y P e € o I ;� �15 e $ ais _ o s jh w a st 2 3 X 4 ec 5 6 8 1., 8 cis 10 cm 1111 ch 12 19 l 14 '7 16 an ] in 18 19 nls 20 US 21 in 29 24 X To Inlet Area %Imp. Impervious Turf C A E3 5I-3A 2 0.23 Om 0.15 C 6.5 0.61 0.99 Ohl am 0.015 0.015 0.020 om3 12 16 8 8 037 OA3 2.9 4.5 W DI-313 10 0.32 0.84 )Zr 4.0 1.06 1,05 0.015 0.020 0.040 10 6 am 0.1 0.66 0.00 0.23 0.00 8.5 In 1.12 24 6 0.40 4a E3 E2 10,050 00 60% 0% 6,030 0 4,020 0 C3 C2 CIA DI-38 DI38 DI-38 8 4 10 0.05 0.05 0.62 0.84 ON 036 0.02 0.78 0.69 4.0 6.5 4.0 6.5 4.0 6.5 0.17 D.28 0.07 0.11 1.8e 3.16 0.17 am am 0.11 1.94 3.10 0.015 oon 0.015 0.030 0.050 0.010 0.030 - 0.000 a083 0.020 0.063 3.0 15 6 6 am am BA 8.3 1.5 0.8 100.0% 0.17 0.00 2.8 1.0 100.014 am 0.00 CA 0.8 100.0X am 0.00 El 00 0% 0 0 0.00 0.00 0.9 0.9 100.a% 0.11 0.00 D2 D1 13,760 00 90% 90% 12,384 0 1,376 0 0.84 0.00 0.32 0.00 But 03 DI-M 01-38 2 0 0.13 0.21 0.18 0.10 0.78 0.17 4A 6.5 4.0 6.5 0.42 0.0 0.87 1.08 am am23 am 1m 0.015 0.015 0.015 0.020 0.015 ao83 0.020 0.083 1.9 8 am 1.9 6 0.38 11 6 0.W 26 6 0.43 a7 2A C3 C4 00 0% 0 0 0.00 0.00 B2B D1-38 10 0.43 0.78 0.34 4o 6.5 1.34 2.18 1.34 2.10 0.015 0.030 0.030 _ 1.8 21 6 6 am am 5.0 6.0 C3 C2 CIA 2,260 2,020 90% 10% 80% 2,034 202 226 1,818 0.84 0.36 0.05 0.05 0.62 32 DI38 10 0.43 am On 0.0 6.5 1.14 1.85 1.14 lae 0.015 0.016 0.015 0m3 17 19 6 6 0.45 0.W 5.7 TO 27,110 21,688 5,422 0.78 At DI-3C 6 0.30 0.48 0.15 4A 6.5 Om 0.94 am Dust 0.015 0.008 0.020 24 18 8 6 0.40 OA7 3A 5.4 CI 00 0% 0 0 0.00 0.00 F2 DI-38 6 0." 0.60 0.27 4.0 1.06 1.06 0.015 0.017 0.020 Omar 4.5 28 1010% Im 0.00 B4 B3 5,850 9,290 80% 80% 4,680 7,432 _ 1,170 0.78 0.78 0.13 0.21 CULVERT DI-313 10 0.34 0.02 0.14 6.5 0.0 6.5 1.73 0.57 0.82 1.08 1.73 1.73 1.85 2m 0.015 0.020 0.020 0.089 eA 1a 100.0% 1.78 0.01)EX. _ 3.9 13.0 Noteinlet 12 12 in dltCh. No 0.W im confild 2.2 _11.6 1,858 B2B 18,720 80% 14,976 3,744 0.78 0.43 LD-229 Storm Drain Design Computations ABC BLOCK 1 B2A B2 BI o0 0% 0 0 0.00 0.66 0.78 0.00 0.43 0.03 18,780 1,160 60% 80% 11,268 928 7,512 232 From Structure 1 E3 To Structure 2 E2 Catch. Area (ac) 3 Runoff at 4 0.66 Increment AC 5 0.15 Accum. AC 6 0.15 Total ' TOC (min) 5.00 10-yr Intensity (In/hr) 8 10-yr Flow (of$) 9 Up Invert Elev. 10 474.00 Down Invert Elm 11 467.20 Pipe Length (it) 12 113.15 Invert Slope % 13 6.01% Plpe Diameter (In) 14 15 Pipe Capacity (oil) 15 Velocity (fVs) 16 7.7 Flow time Increment (min) 17 0.24 AS DD 0% 0 0 0.00 0.00 0.23 6.81 1.04 17.1 A4 00 0% 0 0 0.00 0.00 E2 E1 E1 BMP 1 0.22 0.00 0.90 0.00 0.20 0.00 0.56 0.56 5.24 5.28 6.74 6.73 _ 3.76 _ 3.75 _ 467.00 464.00 461.20 461.19 25.81 2.00 11.62% 0.50% 15 24 23.8 17.4 12.6 4.3 0.03 _ 0.01 A3 00 0% 0 0 0.00 0.00 D2 DI C3 C2 CIA D1 BMP 1 02• Cl C1 0.43 0.00 0.05 0.05 1.02 0.84 0.00 0.84 0.36 0.78 0.36 0.00 0.04 0.02 0.79 0.36 0.36 0.04 0.06 0.79 5.00 5.00 5.00 5.40 5.00 6.81 6.81 6.81 6.70 6.81 2.44 2.44 0.94 1.34 6.41 462.50 461.20 461.20 461.19 458.90 455.20 455.00 452.50MM 459.00 455.50 23.23 2.00 135.80 41.00 5.60% 0.50% 2.72% 8.74% 8.64% 15 24 18 18 15 16.5 17.4 18.8 33.6 20.4 9.7 3.7 5.6 9.1 14.0 0.04 0.01 0.40 0.05 0.05 A2 Al 00 13,180 0% 30% 0 3,954 0 9,226 0.00 0.48 0.00 0.30 AD 00 0% 0 0 0.00 0.00 C1 BMP2 0.00 0.00 0.00 0.85 5.46 6.68 6.31 452.20 452.19 2.00 0.50% 24 14.0 6.5 0.01 F2 19,300 00 50% 0% 9,650 9,650 0 0.60 0.00 0.42 0." 0.00 0.34 B4 B3 0.24 0.78 0.19 0.19 5.00 6.81 1.30 453.50 453.30 21.65 0.92% 15 72 4.2 0.09 B3 B213 82A B2 B1 B2 B2A B2 Bi BMP2 0.21 0.65 0.00 0.43 0.03 0.78 0.78 0.00 0A6 0.78 0.17 0.51 0.00 0.28 0.02 0.36 0.51 0.61 1.15 1.17 5.09 5.38 5.59 5.70 5.75 6.79 6.70 6.64 6.61 6.60 2.42 3.40 3.37 7.60 7.72 453.10 452.60 453.40 453.00 452.80 452.60 452.40 452.20 452.20 452.19 77.13 61.78 30.85 21.87 _ 2.00 0.65% 0.65% 0.65% 0.91% 0.50% 15 15 15 18 24 6.0 0.0 6.0 10.9 17.4 4.4 4.8 4.8 6.6 5.4 Aw 0.29 0.21 0.11 0.06 0.01 EX. CULVERT 14,745 20% 2,949 11,796 8" DRAIN 12" DRAIN 10,000 20,000 100% 10D% 10,000 20,000 0 0 0.90 0.90 0.23 0.46 A4 A3 As* A2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 5.00 5.02 6.81 6.80 8.90 8.90 448.55 446.50 443.50 440.50 20.00 28.00 10.25% 10.71% 24 24 78.5 00.2 16.5 6.8-MONO.03 0.02 \ `r `\ \ A2 Al 0.00 0.00 0.00 0.00 5.05 6.80 8.90 435.00 432.50 80.00 3.13% 30 78.6 10.8 0.13 Al AD 0.30 0.48 0.15 0.15 5.17 6.76 9.86 432.00 430.67 60.00 2.22% 30 66.2 9.7 1111111111111111111110.10 F2 F1 0.44 0.60 0.27 0.27 5.00 6.81 1.01 451.20 451.00 25.49 0.78% 15 82 4.5 0.09 EX. CULVERT OUTLET 0.34 0.42 0.14 0.41 5.09 5.09 2.08 2.00% 15 7.9 5.4 MW 'SLOPE TO BE VERIFIED. FLOW IS LESS THAN EXISTING 8"DRAIN 134 0.23 0.90 0.21 0.21 5.00 8.81 1.41 1.20 1.00 10.00 2.00% 8 2.0 5.8 _ 12" DRAIN B3 0.46 0.90 0.41 0.41 5.00 6.81 2.81 1.20 1.00 10.00 2.00% 12 5.5 7.0 ' 10-Vr Peak Runoff from HydroCAD Modelling Cpmputed for analysis of sewer downstream BMP 100-Vr Peak Runoff (Rational Method) Computed for analysis of sewer downstream BMP i / \ TO B4 VIA DRAIN ROOF TO B213' IA DRAIN B4 SF i-_----- - 6� J� \ \ ` \0 `------------ \\ \� \ I Al \ \ r \ 1 � \ B3 \ \13180 Al SF - - 290 SF " v v vv vA v` v10 vv ROOF TO 13213 \ VIA DRAIN w I' / ) I / I I , '01 I \ \ \ \ / III III L/ \ \/ / / \ \ /ROOF /-_- v \ ` \ VIA DRAIN �/ /// i / I I I \ �'\� EX CULVERT ` '- v / v ------- 00 -- ,, 02SF + F2 // /�/ -+ B201 1\ /' / - v 4 ` - V 1 1 11 / V ✓ / // / / / / cI / � 18780 SHIMP -----AV vv A A `\ \ v A `�•, `� � A �/,/, �/ _-_ -� _- `/ / vv / , I I IIII III I I I I / vv \V � I l l l l l lj / I D2 i ----- 1376nSF ENGINEERING2. _ /,. I �I I I / / / / / // / / I LAND PLANNING - PROJECT MANAGEMENT _ I rl I V I C2 / I I I I I I v I I I I \ l i I I I I I I \ 1 1 I I l l I ---------\ '� \ P' 1 1 `' OF TO I I I I I I I I I I / \ l I I I 1, I I I I I I I I I I i / /IIII , I l , , I , 912E HIGH ST 4342275140 BMP 2 VGA I 11' l I I I I CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM I III I l I I I I L C3 ' 1 ' I4' I ' l I - _- v / I I I of I I I q ` _ - - / \ c) IIII , ` I I I I I I I / I � V �� �- ♦ _ - - _ - - - - I I I I � \ I '' III ; ' ' 1 '� ��� \v � _ - _ - , ' I I I I IIIII I I III I i I � �✓' _ I _IROOF TO sees V A DRAIN 2 `� - --- - - 27 10 SF ° s ClAJ / / I----\�l �I i i i iI i� i �l V JU M. MP a - --- - / v y is D 183 CLUBHOUSE &�, ROOF TO CIA ,'%='i VIA DRAIN �/; j/ - - - -- - _ `- - - i iijIII i _ VIM 4p SIAL VSMP PLAN AMENDMENT POOL TO CIA / ,' '' / 0S/----------- - - - VIA DRAIN >� '' ---- \ ; ` --' __ ------- ABC BLOCK 1 MASS ,,' GRADING -MAJOR --- ___---__, AMENDMENT FOR -- F2 MULTIFAMILY .19300 SF o ; ALBEMARLE COUNTY, VIRGINIA ! SUBMISSION: --------___----- - _ -- 2021.12.07 I---- -------\ -4a-- _- \ \\ \`\ \ \\ -- i IIIII ; ; ' % REVISION: % 1) 2022.01.27 ---- ------ FILE NO. If 18.004 POSTDEV INLET MAP & DRAINAGE CALCULATIONS 30 0 30 60 90 y n Scale: 1 "=30' C20_