Loading...
HomeMy WebLinkAboutWPO202300012 Calculations 2023-02-24STORM WATER MANAGEMENT NARRATIVE BIORETENTION LEVEL 2 DESIGN SEDIMENT TRAP TO BIORETENTION BASIN CONVERSION SEQUENCE PROJECT DESCRIPTION THIS EFFECT RESONATOR OF TE INFORMED FROM AND ABROGA�SSOCIATED UTILITYWWETCHUNTMGs. RESTORATION CUT LEE SURROUNDING LANDSCAPE A AW PARKING Ee'aDOAND MIITORY SEWER, STORM FRANK. ELECTRIC Gast. n iwi.,:`xicA:iXD,Cls uo AA �TOTHEAMALLGWELL wenFEE ENDED . ETY 7 1 ACRES AND ARL RATING APPROXIMATELY 7 51 ACRES I N ACRES OF RIOU6 AREA IS BeGRADDEDT THE 65 EBRUNEI TO TWO WIDENED WEI eAND 6 ANS SHOWN ON SHEET EX IE4R WE ES W0016, WHICH ULTM,i¢YpWXiONO1gY PiEIXTHE FT10POSEOOIROWJCO REDEVELOPMENT CHANGES THE CUMULATIVE SEA S GEDERi�uV UNDER TO PEOEVEIoaMeNTWER MINI�.w CHANGERAL LAND X SLUMP CONDITIONS AN UPSIDE TONE PER GAMES A NaIORl,v OF THE DR,m,GE AREA TO C UFALL 5. BEFORE TEE FORCTHERE FENDS O roR NATURAL CHANNEL GU µRVEY BY THE UNDER STATES DEPARTMENT CE >ERI EREDaNpE TMEEaaEx:IgELORE,DGEICXDroTH � 0z<.9X,.1rT1A PROJECT ADNEAE3roTHE MRGxx DEPA�PFEOY �AGAGTSMENrAL CDuwTV TLismCAURANCE CRITERIA TO MEET WAERDNwn AND STORMWATER MANAGEMENT -WATER OOALRY WAER.1WAS µunED USING THE RELeVEL ENT DURAODUS BLE TOM FILE MRSTAGA iR,TTHEUNwEREDUCTIEN METHODASSUD. HOROUS �RNNN FOR THIS OFTHE VgiO.IECTTIi61 AN USHC E TW6 REARGUE S CURRENT IS GROWL THIS WILL MET THROUGH THE WE OFA BIdIETENTIGN MEAN 12.L HE LONG AvE µICMORDENT OBryFROM ININDVISOOD GULF . COURSE PROJECT RNRUNINENDMI wEFORMSSESIeET6C52µDOSHiEOA THE FlSOELOWETADPO5TUFWELO XEXi LID USE MAPS. RE -DEVELOPMENT VRRM SUMMARY BBB�u'2DB�BBv m®mmov.=. BB�BBB" BBB" BB0000" o �BOBBL�BBL�' BBL*' BBBM' o BB�BB[">BBE" BBVBBBT�0000• BB®BBv 000m0® pBBVBBVBBE"J0000� 000E�>•BBE" BB0000]IBBB� BB�BBBWI•BBL`^' BBLL�BBB�BBB� B®BBv "� BB[i!•BB�BBB` B©BBBaBBBv �^�^�0000EJ)BIB�BB® BBL�BB�BBB^ SIDES— 1 SE Dewberry o.,. AXNH_ - _,Rx.M_. wryEN w Noullum FILINSPEAREDUCTO MESMERIC SIDES OF PERMEABLE 'DECTICUL" LINER ALONG SPORTS OF ATMENT CELL DISEASE SHALL BE ATOM PAOWN IN COLOR WIGENEROUS EDGES FROM SHERANDONALI PIETECdNEF IT TOENEWS 2 CONVERSION CHALL BE PERFORMED PETER THE SURE 15 CONGRESS) NDSASUCES PROTECTED FROM SEXAMENTS I C RESPONSE TO DEAN uTMC�GRACE ENBELOW TECESHOWN IN THESE POM4 CORTOINSTALL TLworas°"°ISWE TURAEF CONSTRUCTED Sa�rs sWUTSioWScrvEnND D PIPE (SEE SHEET CLOWN, BIORETENTION MAINTENANCE REQUIREMENTS SECOND RMARC NELSON OXIDE ��T*� SPECIFIES THE CIRCUMSTANCES URISSERMUCH A FEET �INTE�CEIS THE WALIFYING LUKAS PRECTRAN NO' RE I' REARNE TO HELP N.R. THAT WIN SELLERS AND 5rE,PM6 P I6MIM.—NIIF w� SENTs FWLNFLAU.E-MAXP.NI � ALL HK �o's r.IiIKIT E.Er+lb NnP�x^Ino A wSP WA VEGETATION OUNCE NIM arv6TRa FOEWa mw ECOHDUREMPRORTo CTION RLDNFAB XETO 2, S IL MEDIA HAVE THE FOULEXASNEFITIAPCTpil5lg5. CLAUSE DHOU IAPHRAGM ITm% NELINES. Lass TNPx LAY PROM THE BgAETENTCNCELL EDB FINES) COIReT SEXUAL BE SENCOPER 1'*sIW1 ED IN ryLARREMN WL �BETWHN WxN1B Wx -TOPUSULCGMiuEGFWDD25HAE➢OEOWAOWOOD N` - NucH LAYER UNTIL giLAGaN isE: A B ro lD , M»OITNDN NBNST9BEEDFA PMPROVIDEDNEMBHO1.,PERSON _ _RE . _ NEnx,ryNDNLIEAEAPAC 99EE ENTED ETRGI, FONERG " ASTSIOXE XTBEABMVFS RATIgI RAF: 14 OVER S �HRD LAME STALL BE TRAGERLINGED WITH ZING S. SAME RLTDRFABRICTO J i A ANCE TO BE A WALE WJMEWWCWHILE CARDS COMSEN ISESTPLISHED BY PERSUADED SURROUNDSIOAETNTgN L NPI Eft ONED UNCOE AEWPERSUA NDAT GAMES OEOTE�IE FABRC: NONWDYFN RWY PATE a 11. EDEROLAIN S- IXMPgCTCA 31WLO.GM."MTERNMETERPON CONGOLESE I NOTES DES FREE DIED ... LIST wEDgIBT, EGDND . IN BTOANWA,ERo.LMLAATON3 BIORETENTION SECTION: LEVEL 2 GLAVE & HOLMES ARCHITECTURE 2101 Ezn MEAN street R1LIImmU. WERT% 23n3 T M6499303 F 804 3433320 W BMNNUMBIWEENUESR PROJECT TITLE BIRDWOOD MANSION REHABILITATION UVA Foundation 500 Birdwood Driw Ch UtcNrr,A,ille, VA 22903 CIVIL ENGINEER NEW GURNA, ISTAAiNAK S w S TTEXT NPO1W w ..d-Ur.m.. STRUCTURAL ENGINEER LERUMw..M_ 1eO1 NIGH. W Ima.PHISFAMAN MEP ENGINEER PeNRN,PRMrW onTHATEDC Y 2Y T IANDSCAPE ARCHITECT VSKE pwI E GE. 22028 DATE FEBRUARY 21, 2023 DRAWN BY: ACE AIKROVID BY: MGM SWM NARRATIVE AND WATER QUALITY CALCULATIONS SHEET NUMBER C6.1 E D C B A M .TVA , §k.�M ,♦- , e* 1�� "S 111 ""004" 'sue jeg- all 'par 1. WMN NOV 'IV i IMM �1'P�-l% '_ //'/\ \I \\ / DRAINAGE AREA LEGEND SITE SEES LAV E d7 HOLMES ARCHITECTURE "01 Fsst MMn i4ee[ RkR=d� YIryFd=S T SON ..3 f 80.S.lB 0' 20' MY 00' i8tl W Naves�Nnes'[an BIRDWOOD MANSION REHABILITATION WA Foundation 500 Bixdwaod Drimx Chedov Mik, VA 22903 CIVIL ENGINEER a°mc° w 51— STRUCTURAL ENGINEER lol w m .yd— MEN ENGl.m.1-EER w w''n° - LANDSCAPE ARCHITECT ril PROJECT NUMBER GBHW 22078 DATE FEBRUARY 21, 2023 DRAWN BY: ACO APPROVED BY: MNM N 11/23 VSMPPIAN DRAINAGE AREA AND STORM SEWER CALCULATIONS SHEET NUMBER C6.4 E D c B A � 4 I I � r TO EVE- � ,=; -�. _� ,) LLD T.Ae a- 0C -P 1 S sAc � O 1 _1 R OF i : LL I. I n ; G ri YL DROP T l v 1- ZC P V C/ v �� E cPc r �� -� A �� % ;O r' l llA�L / "4 :L T XX A ° ' OFME POND 2 � 3D' P 1RELa eocrwswOlF„DS vSAC I I , t I I v dB FC OTT.- I' --nl L, 1� n � 1 �1 4a; H.A,. BE b C t1 � _..L POND J/ � ! I i SD P v r OTs E r / .1�0 11 L ///Z �.j��/O-- MOREYCREER� __ �r / 2 UTA .LAD A Y � BOF�D , �OO /. f.� - A -i / iJ. 1 �..19a p �y -- AFT / —��� TALL i IF - � � t L J � Y -x •L, 1 .. . 02 IF, - ,i'� MvREY CREE, �. ._.. ....... STORM WATER MANAGEMENT NARRATIVE: CONTINUED MR THE SITE MAN NOWELICAT ON FOR THE WNKPoSEDS E REDEVELOPMETING NT PROJECT OIL WONT, MALYLEo IN COWUNCTOHH WITH ME LS AM 16 AMENDMENT IN GAME ME SHOT IS PROVIDED TOE E THE PROPOSED DEVELOPMENT CONDITIONS ASSOCIATED WITH EACH OMINWE Re DS PO MOOTHH�a F IPREVIOURY APPROVED WPo2mmoolsl MID THE PROPOSED 01RwmoD OT WSHOWN DNTHIS HICEEEWINTO o'I�YCARESKTHEoaMxAGEAREASAHoFIEEDSa�D:"�NMEGER WIDEVCONESTEMBE� N FEE THE PHOPoSEEDD BRDYKKOIMENT ' REO�RLOP'AND ENT CHARMER TESECUMUENT LA�TIVE DRAT COURSE ACE AMk UPGRADED Y OUTFALLS a AND S HOWEVER. WED ON THE LAND COVER IMPROVEMENTS INSTALLED AS PART OF THE NOTE COURSEFROM ME ADD AO�FDEVELOMNENT PROJECT THE CURED NUMBER OF ONANNASE AREAS 4 AND 5 SOM DECREASE OUTFALLtTHISOJIFNL W W *ANANRALCHMMEL. WOW WXHINTHISORNNN EMEA I50ENEPNLYLWDEUTO WITH MMWE. CHANGE IN LAND REOEVELg MONSIIE DIre1SERVESAM R.'OFMEg l A0EME TOTXEOUT.,. FpiETXE BENOFTIS y $ -5c drlF - - PATH AIAL LANDCOGEN THIS EMO�az SUMMARYusDFOUTFATLARA ND �TMmDE HGR PIMD.HEcoRRE INGPREnMPAUS ANND�TOe LR D,.ENENEXCHO DTLA,i PrnixcwTFRpafliEi B OUTFNLE AMIN ACCRDANCE WITH THE PREVIOUSLY APPROVED WASSESPpPISAAMENDMENT N GATEDUi/ORI E TUEPPERrous SCHEMEW LOW RF AREAS. MANAGEDON s`COURSE ETE, WITH A MIX OF T APHS ASPHALT WI PARYING ANDOTREn srRUCTUREwITHI VEGETATION sRE �DGRANGES . cx.w z BE pp ER, PROMISED 01 RT LOW TO MEET THE ENERGY BALANCE EOIMTION. m NO CASES SHALL THE ALLEWAPIE FLOW PER THE ENERGY RVANCE MENTION EXCEED THE Development PwhDeTelOpmeM Pre-DeTelopment Past-DaYelopRent DEB rea LN Area CN 1.1 D10 V1 D1 D10 V1 2A0 .,. 0.OL 55.00 2d.33 t?0]d 1.560 1IS 120 1.310 23.121 wTdalm.ml 0.00 DO ].50 d000.70 D1 Pwt-DeY le lase then DEB Rewi1.d0 61.DO I&d2 61.00 woo 1.5B woo61.BF 5550 00.]0 OWHII5 PreLeLelO eM Pwt-0eLenoiN Pre-0eLNOPneM Pw4DevelopmeM OEB Am ON AMe CN D1 O10 V1 Dt D10 V1 Folmt 3.50 SIi.00 3.. 55.00 Bd3 53Jua LED" B.1 dBTN BE B.1N Brwh Ow 00 SO S.EO d0.0O 01 PwLCevle less t11en pEB Reylle] By 2 020 Tuff 15A0 8tou @A 81. W ImpOMW Od0 OBCO 0.N .. Tote) 19 OIAW IO.M aIR �O�Y�D�Ml�ISAMNOM�gS�M�M BOTH PROPOSED ORANGES REDENFLOPMEM PROJECT. ALL DISCXMOEOANALYSS RENAME TMIRED MGM HE SAME AND W& NOT CHANGED AS A RESULT OF THE PROPOSED BIRDWON REDEOPLOMExT PERAMET THE PROPOSED DEVELOPMENT MOST COURSE • BIRDwwD NECEVELCU MI DOES NOT INCREASE THE SITE RU MBEFF COromoNE ryaUME w ROT.,. THE CUNI SPUBBERI.EWUSEOFTCH DELAEFFEWAREDEAREA, EVALUAYgAT THE UR HNDMTEOFPERTY Ll HE SBEEN wCRFAPED. NO FLOOD OR dANNEL PROTECTION ANALYSIS IS CONSIDERED GLAVE HOLMES ARCHITECTURE 2101 Gn Na'X street EcnmMa WryF1a 23223 T 8016i90303 F SON M3ll]B W BlaveaMMAmes.fan PROJECT TITLE BIRDWOOD MANSION REHABILITATION UVA Foundation 500 BMdwood Dnw Chulo¢cmlle, VA 22903 CIVIL L ENGINEER F-UHA: N . T ONI.. w e. STRUCTURAL ENGINEER WM MEP ENGINEER ASSEGAI wPa Ap"ANA IANDSCAPE ARCHITECT OFE T fwlu PROJECT NIANB U' lw 30a Bar 1xOD' ® CE. 2NM SHOT FEBRUARY 21, 2023 DRAWN BY: ACO APPRONI MIND PM)•NEYH� SWM WATER QUANTITY CALCULATIONS SHEET MEMBER C6.5 n