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HomeMy WebLinkAboutWPO201700076 Plan - As-built 2020-02-261 2 K II 5 UNIVERSITY OF VIRGINIA FOUNDATION R �•_•_ Dewberry E 0 C I_I DRAWING INDEX GENERAL T1.01 CIVIL C7.01 C7.02 C9.02 C9.03 C9.04 C9.08 C9.08A C9.10 C 10.01 L1 COVER SHEET GRADING AND DRAINAGE PLAN - AS -BUILT PLAN GRADING AND DRAINAGE PLAN - AS -BUILT PLAN PRE AND POST DEVELOPMENT LAND USE MAPS WATER QUALITY NARRATIVE AND CALCULATIONS DRAINAGE AREA MAPS STORMSEWER MAPS AND CALCULATIONS STORMSEWER PROFILES CULVERT MAPS AND CALCULATIONS CONSTRUCTION DETAILS ROADWAY AND BIOFILTER PLANTING PLAN PROJECT ZONING DATA ALBEMARLE COUNTY ZONING CLASSIFICATION: R-1 RESIDENTIAL PROPOSED BUILDING MAXIMUM HEIGHT: N/A PROPOSED BUILDING MAXIMUM FOOTPRINT: N/A ALBEMARLE COUNTY MAGISTERIAL DISTRICT: SAMUEL MILLER DISTRICT FEMA FLOOD INSURANCE RATE MAP: ZONE X; NOT WITHIN A FEMA DEFINED 100 YEAR FLOOD PLAIN PROPERTY NOT WITHIN AN ALBEMARLE COUNTY AND / OR CITY OF CHARLOTTESVILLE WATER SUPPLY WATERSHED CODES VDOT ROAD AND BRIDGE STANDARDS, 2016 VDOT ROAD AND BRIDGE SPECIFICATIONS, 2016 FEDERAL HIGHWAY ADMINISTRATION MANUAL OF UNIFORM TRAFFIC CONTROL DEVICES, 2009 VIRGINIA SUPPLEMENT TO THE MANUAL OF UNIFORM TRAFFIC CONTROL DEVICES, 2013 VIRGINIA WORK AREA PROTECTION MANUAL, REV. 1A, 2015 DEPARTMENT OF ENVIRONMENTLA QUALITY VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK - 1992 ADA STANDARDS, 2010 CONTACTS OWNER: University of Virginia Foundation OWNER REPRESENTATIVE: Christopher D. Schooley Real Estate Project Manager One Boars Head Pointe Charlottesville, VA 22903 PH: (434) 982-3777 cds7@eservices.virginia.edu ENGINEER: Dewberry Engineers Inc. ENGINEER REPRESENTATIVE: Matthew C. Thomas, PE Project Manager 4805 Lake Brook Drive, Suite 200 Glen Allen, VA 23060 PH: (804) 205-3340 mthomas@dewberry.com SUBMITTAL SET NUMBER PRELIMINARY CONSTRUCTION [—]APPROVAL REVISION BIDDING RECORD TEMPORARY GOLF COURSE CONNECTOR ROAD Dewberry. 4805 LAKE BROOK DRIVE FROM: GOLF COURSE DRIVESUITE 200 TO: BERWICK DRIVE ALBEMARLE COUNTY, VA VSMP PLAN — WP0201700076 LOCATION MAP AS -BUILT FOR VSMP - VICINITY MAP SCALE 1" = 100' SCALE 1" = 250' C) Q Q Q >-ryry r O z Q -i o U000 o00c '- - U J W _J � m m �(Dz oo a O ry LL SEAL a �(/4:/�v7-, F ERON PALA40RE ILic. No. 352755 ION AL E�U SCALE SCALE 1" = 250' 0 250' 500' No. DATE BY Descript/on REVISIONS DRAWN BY HCG APPROVED BY FCP CHECKED BY MCT DATE MARCH 2019 TITLE TITLE SHEET PROJECT NO. 50097555 T1.01 SHEET NO. OF C Al Lf ►: :lp:, �•_•_� Dewberry Dewberry Engineers Inc. 4805 LAKE BROOK DRIVE SUITE 200 GLEN ALLEN, VA 23060 804.290.7957 (PHONE) 804.290.7928 ( FAX) Q Q >-ryry N 0 z Q -i 0000 0� U J W01-0 JZ Ohm m (DZ oo Q O ry LL oad SEAL F. CXME&O PALMORE Lic. No. 04020352 ��p /. SCALE SCALE 1" = 20' 0 20' 40' No. DATE I BY I Descriptlon :VISIONS TMR DRAWN BY FCP APPROVED BY MCT CHECKED BY AUGUST 2019 DATE TITLE GRADING & DRAINAGE PLAN STA. 10+00 TO STA. 16+25 PROJECT NO. 50097555 C7001 SHEET NO. OF 1 1 2 3 1 4 5 1 6 E F1 C V r_I ON m s MATCH LINE STA.16.25 SEE SHEET C7.01 DRAINAGE DESCRIPTIONS PIONS J' ! �5 x O I - St'd. DI-3B Read. �S` �s L • 12 ft,R • 39l ft, Inv • 599.09 ft. Connect I - SYd. UD-4 5/ft. -l5 In. RCP Req'd.(3 ft. Cover) Inv. (in) - 559.09 ft: Inv. (out) • 558.80 ft. k�X i ✓ l.g I I I I - St'd /5 in EW-1 Req'd. Inv,= 558.80 ft. //VV_ + O lA Cu.Yds. EC -I Class l Required E/Vp 557 19 90 + v Type A Installation; Depth •2A ff. 56.� � Modified l8 In EW-1 with Weir Wall See sheet CIOAI for detoll I i , + t I ' 26ft,- 18 in. RCP Req d.(3 fI.Cover) Inv. (In) • 544.70 11Inv. (out) • 544.40ft. St'd SWM-DR Concrete Cradle Req'd ��\\ \�� ,'/ I - St'd 18 in ES-1 or 2 Req'd. r� X- I I I 4' \ ` I : ,' �` ' /-4 Inv.= 544.40 ft. cp I - Level Spreader of Outlet See Suet CIOAI for Detail Std. Yard Inlet Req'd R • 2.42 ft,; Inv. - 550.58 ft. r 1 Connect I - St'd. UD-4 l� .' ^ / / `� - /-5 /-6 54ft.- 15 in.RCP Req'd.(3 ft.Cover) Inv. (In) - 550.58 ft.; Inv. (out) = 55020 ft. // / , D� y l -SYd 15 In ES-1 or 2 Req'd. / / / / ,/ S4j¢Q Inv.= 55020 ft. N.3904858.64 / IA Cu.Yds.EC-1 Closs l Required / r / / � ' / I O 4;FX tE. 1 1 41-'207i 1 ,' Type A Installation: Depth =2A ft. I- Sid. DI-7 R d R • 4.6 ft, Inv. • 54750 ff. 26 ft.- l5 In. RCP Req'd.(5 ft. Cover) o k I I / I I / I �, l 7 / 8 Inv. (in) - 547.50 ft.; Inv. (out) - 547.30 ft. // St d SWM-DR Concrete Cradle Req \I l -SYd l5 in ES-1 or 2 Req'd. I d _- lA Cu.Yds. EC-1 Class l Required Inv. = 547.30 ft. Type A Installation. Depth 2A it. l5 ft 12 in. RCP R d (l ft.Cover) rn r i ,,I ! I�� l ill / /I , !I , I d,�l lrn(In)•558Aft, Inv (out)-557-9ft /! I / / Il /l , !I I I1 ! 1 / 9 2 - 12 in Sid ES-1 or 2 Req d _ ___--------- - ��_ BEj�W/ o �/ ' IA Cu Yds EC I Class l R uired -'l�f' I / I / O I '/ / ' eQ v Type A Installation; Depth • 2A ft. --T - %I I / I , 1 / 1 / o Existing Pipe to be extended with I t tt l5 ft - 18 in. CUP (5 ft cover) 5 jS ^ , _ ^ ` �/ , m S \ 1 I , / ' 1 11 0335 Acre Stormwoter Management Facility Easement Extend of Existing Slope ,r ( / , <! 2it , , 1 , l l' per DB. 5021. PG. 454-469 />9 Pe -- -- - _ AS -BUILT UD=4 - coM s �! . 15" RCP -- -�s --- - SD vi��. / / / , I d- -- r� 3 c0ucasr -' I ` ,�; I I I / / / / , ! I I I ` �pgt .via -- - ` � I I 1 AS JC➢'1J � �- dL DRAINAGE DESCRIPTIONS cA I l '1 I I E. E. J4112 14 jz 86 co I . All 6, F O �-- II i I II I I I \\ \t Iit I\ I 1 \ \ N: /35 , 41 5 g 71 I 'I I 8 If it ! 111 1 O i \ It CID 1J, 0 > `tom A $T CURB INLET 1-1 TOP=563.59-- - - INV=559.39 ST 15" RCP j- INV=558.94 $T 18" RCP 1-3 INV=544.92 1.0 xO.5' RCP INV=544.84 GRATE TOP=551.71 TOP OF ST STRUCTURE=551.84 INV 1N=547.53 6 " PVC INV=547.62 12" RCP ST INV 1N=558.07 _9 END=558. 16 INV OUT=557.98 -------------- 3 / �-----T AS -BUILT CROSSORA/N ,' ,''//',�•� BOA�7S HEAD RIVE � CONNECTED TO DROP INLET / / \ / � , i , , ,i i = _ _ _ `�-/� �� _ - Yx Q I/ ------------- -------------- N: o G E.11472288.48 � /' is - --------------- --- ' �r - - - - - - - - - - - - - - - - - - I-, _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - , Sp 0202 Acre Stormwoler Monoge of Facility Eosement ' \ / , / - per OB. 502/, PG. 454 469 �X, ,' / ,, / _ - ,, _ - Sfss NOTE: - - - - - ---- _- ----- -ORIGINAL _ SURVEY SHOWN- IN THIN GRAY DESIGN FEATURES SHOWN /N THICK GRAY -AS BUILT FEATURES SHOWN /N BLACK Dewberry® Dewberry Engineers Inc. 4805 LAKE BROOK DRIVE SUITE 200 GLEN ALLEN, VA 23060 804.290.7957 (PHONE) 804.290.7928 ( FAX) C) LU �-C)O �Q E� < -Z) � 00 ov �LL LLUj U J� JZ (D WCO �OZ �O O 0� LL SEAL F. CAWko: PALMORE Lic. No. 04020352 SCALE SCALE: 1" = 20' 0 20' 40, No. I DATE I BY I Description REVISIONS DRAWN BY APPROVED BY CHECKED BY DATE TITLE TYR FCP MCT AUGUST 2019 GRADING & DRAINAGE PLAN STA. 16+25 TO STA. 22+00 PROJECT NO. 50097555 C7002 SHEET NO. mg LVA n A rn z `00 m z ^ D m ° " z zm C� >0mz 0 m000 <�� QTI (fl mmO 0 v a m n 0 z O m { v co 0 m O z cn a n rn a j cn c) o m a m cn o 0 0 0 T� F ' I lzzz FTI rr O D r z O C rTli r O rn 0 r z O n O C m v :.... TEMPORARY 444600#0000r %14 o�r c°'''tv '�•,,: GOLF COURSE m x Q : CONNECTOR ROAD 0 CD CD `W O 1 FROM GOLF COURSE DR 00pt aamSo oo,N _ TO BERWICK ROAD �om `� (p '// ����I�Nvi Z "xD p y 11 AS -BUILT PLANS0N v �o m N Ul m 1 2 3 4 MWATER SUMMARY 5 BIORETENTION BASIN #1 l:7 Dewberry® E C -1 L ►_I THE VRRM AS -BUILT CALCULATIONS HAVE BEEN UPDATED FOR A SIDEWALK BUILT ALONG THE TENNIS COURTS AND THE DESIGNED SIDEWALK ALONG THE CONNECTOR ROAD THAT WAS NOT BUILT.THE ADDITIONAL IMPERVIOUS DRAINS TO THE BIORETETION ON THE PROJECT.THE VIRGINIA RUNOFF REDUCTION METHOD WATER OUALITY CALCULATIONS ON SHEET C90I INDICATE A REOUIRED PHOSPHORUS REMOVAL OF OBIS LB/YR FOR THE AS BUILT CONDITION.THIS REMOVAL IS MET THROUGH THE BIORETENTION LEVEL 2.WHICH REMOVES OB7 LB/YR /N THE AS BUILT CONDITIONS. SHEET FLOW 2"- 4" DROP 4' 3�E 2 4' MI BOTTOM OF n BIORETENTIC GEOTEXTILE �VDOT CLASS FILTERTERFABRIC C 1 RIPRAP I I V MIN WITH 1:1 SIDE SLOPES PRETREATMENT - GRAVEL DIAPHRAGM DETAIL FOR SHEET FLOW FROM IMPERVIOUS OR PREVIOUS 6" DIA. PVC CLEAN -OUT BMP SURFACE WITH THREADED CAPS 2" HARDWOOD MULCH 3: (VA CLEARING HOUSE SPEC. NO. 9 TABLE 9.6 6" I - MIN. 3FILTER MEDIA " (VA CLEARING HOUSE SPEC. NO. 9 TABLE 9.6) PLACE GEOTEXTILE FILTER S DES OF THE BMP �O�O�O��U USE 6" DIA. PERFORATED PVC @ 0.5% MIN BIORETENTION DETAIL -LEVEL 2 N.T.S. VIRGINIA RUNOFF REDUCTION METHOD CALCULATIONS Virginia Runpli Rc W,. Meihod woPosheel DECI Virginia Runoff Reduction Method Re -Development Compliance Spreadsheet - Version 3.0 BMP Design Spedfsotions Lot: 2013 Draft Sills a Specs Site Summary - Linear Development Project*** Total Rainfall (In): 43 Total Disturbed Acreage: 2.20 Site Land Cover Summary Pre-ReDeuelooment Land Cover (acres) A soils 1 856k CSoils oioih Totalx %of Total Forest/Open(acres) O.W 0-00 0,2A D,W 0.24 11 Managed Turf (acres) 0,00 0.06 1.31 D,W 137 62 Impervious Cover lanes) 0,00 004 0.55 0,00 a59 27 z2n too Post-ReDevelooment Land Cover lacres) A soils RS.J, [Salk OSoils Tpuils %of Total Forest/Open(acres) 0.W 000 0.04 222 0.02r:3::7::::::: Managed Turf (acres) 0.W 0.06 1.28 D.W 134 Impervious Cover (acres) 0,00 004 0.78 0.00 0.82-Forest/Open Space areas must be protected in accordance with the Virginia Runoff Reduction Method 2.20 Site Tv and Land Cover Nutrient Loads Final Post -Development Post. Post. Adjusted Pre. Ipns[-geDevelaprwsn Development ReOeuelopment Reo"elopmcnt B Xew lm rviws P< ! INew Impervious) Site IN 049 0.43 D95 043 Treatment Volume ft' 3,899 3,106 793 3,106 TP Load Ilblwr 2.45 1,95 0.50 14, Total TP Load Reduction Required(iblyr) 0.86 N/A... N/A'-- -Tho is o Llneor devefapment project Final Post Development Load (Post ReDevelopment & New Impervious) Pre - ReOevelopment TN Load (Ib/yr) 17.53 in.zo Site Compliance Summary- ***Linear Development Project Maio mum% Redudlon Required Be dU% Pre-ReDevelopment Load Total Runoff Volume Reduction Ift') 1.734 Total TP Load Reduction Achieved lib/yr) 0.87 Total TN Load Reduction Achieved (lb/yr) 6.37 Remaining Post Development TP Load 158 (lb/0 Remaining TP Wad Reduction lib/yr) 0,00 Required Drainage Area Summary '• TARGET TP REDUCTION EXCEEDED BY 0.01 LB/YEAR " Pre- ReDevNopment Final Post -Development Post-ReCie✓idopment TP TP Load per acre TP Load Per acre Load per acre Ib acre r (Ib/acre/yr) (16/one/yr} 0.99 1A1 0.99 D.A. A D.A. B D-A. C D.A. D D.A. E Total Forest/Open (acres) D.O4 G.00 O.OD 0.00 G.00 2.G4 Managed Turf (acres) 0SS Ulb p.W 0.00 0ihl U.55 Impervious Cover (acres) 032 0.00 0A0 0,00 U.W 0.32 Total Area(acresl 0.91 0.00 0.00 0.00 0.00 0.91 Drainage Area Compliance Summary DA A D.A. B D.A. C D.A. D D.A. E Total TP Load Reduced Ib/ 0.87 O.OD om 0.00 0.00 0.87 TN Load Reduced (lb/yr) 1 6.37 0.00 0.00 000 0.00 6.3] Drainage Area A Summary Land Cover Summary !Sods Loils Csolls Dspils Total %of Total Forest/Open(acres) 0,00 0.00 004 O,W 0-04 4 Managed Tud(acres) Oslo, 0.00 0.S5 D.W oss b0 Impervious Cover (acres) ODD 0-00 0,32 0,00 0.32 35 ( 0.91 BMP Selections Managed Turf Impervious TP Load from BMPTrtatmm, Untreated TP Load TP Removed TP Remaining Downstream Treatment Practice Credit Credit s Volume Ik } Upstream to Practice (Ibs} (Ih/yr) (16/yr) to be Employed (acres) s) AreaCove Area (acres) Practices Qbs) 6.b. Bioretention R2 or Micro-Bioretention p2 (Spec p9) 0,56 0.31 1,516.25 0.00 0.95 0.86 0.10 Total Impervious Cover Treated (acres) 0.32 Total Turf Area Treated (acres) 0.55 Total TP load Reduction Achieved In D.A. 0.87 lib/yr) Total TN Load Reduction Achieved in DA. Ilb/In) 6.37 4' WIDE STRIP GEOTEXTILE FILTER FABRIC LAID ON CENTER LINEARLY OVER UNDERDRAIN 6" DIA. NON -PERFORATED PVC OUTLET PIPE CONNECTED TO OUTLET STRUCTURE (SEE DETAIL FOR VDOT SWM-1 OUTLET STRUCTURE) -MINIMUM 12" #57 STONE BELOW PIPE PLACE GEOTEXTILE FILTER FABRIC ON THE SIDES OF THE BMP BIORETENTION BASIN e/ HAS BEEN ADDED TO THE SITE TO AID IN IMPROVING WATER OUALITY.THE BASIN WAS DESIGNED TO BE A LEVEL 2 SYSTEM WITH A REOUIRED TREATMENT VOLUME OF OD4 AC-FT.TH£ BASIN HAS A TREATMENT VOLUME OF ODB AC-FT.THE TWO FORMS OF PRETREATMENT HAVE BEEN PROVIDED THROUGH A GRAVEL DIAPHRAGM AND A PRE-TREATMENT CELL,THE B/ORETENTION PROVIDES 087 LB/YR OF REMOVAL. � Dewbsrs� BIO 1- Bioretention Sizing Sizing Required for Bioretention Basin (Per VA DCR Stormwater Design Specification No. 9) Treatment Volume (Tv): j TvBMP=(1)(12)(A)J + any remaining volume from upstream BMP RV = 1 0.47 Area (A)= 0.91 acres Remaining Volume = 0 acre-ft TVBMP= 0.036 acre-ft Biofilter Sizing Required (SA): Surface Area Computation (Equation 9.4: Bioretention Level 2 Design Surface Area) SA(sq. ft.) _ (1.25 * TVBMP) - the volume reduced by m an upsteaBMP 1.65 f t TVBMP = 1548.56 Volume Reduced= sq.ft. SA= 1173.15 sq.ft. Area shown on plans: 1982 sq.ft. Area left untreated by bioretention:-808.85 sq.ft. Shortest Flow Path Ratio Length (Equation 9.5): Level 2 - Ratio must be 0.8 or greater SFP Ratio = Shortest Flow Path (SFP) = 152 ft. Length (L) = 152 ft. Ratio = 1 RV CALCULATIONS: Land Cover (HSG C Soils) Impervious= 0.32 ac Managed Turf = 0.55 ac Forested = 0.04 ac Land Cover Rv Impervious = 0.95 Managed Turf = 0.22 Forested = 0.04 Rv={(0.31*0.95)+(0.57*0.22)+(0.03*0.04))/(0.31+0.57+0.03 Rv = 0.47 BIORETENTION DRAINAGE AREA I I - SWM DA - 1.6 AC SITE AREA e 091 AC i -,'IMPERVIOUS TREATED • 032 AC i PERVIOUS TREATED - 059 AC I ----_ - - - -- I I I I f ;ill ntp.xZ MAMai y` -------' a, t BIQRtfeNrI,ON BASIN LEVEL 2 d "sxs 'r'ar VlN SUR2?C P 19? o , --- b 7` .; I I ✓ I I \I I II i PRETREATMENT' ,' i ' GRAVEL DIAPHRAGM PRETREATMENT :`v'\ II 6 J�yl i I L l \ \, I,C I� SA'/89SF %\ - /. � o --- --- I Dewberry Engineers Inc. 4805 LAKE BROOK DRIVE SUITE 200 GLEN ALLEN, VA 23060 804.290.7957 (PHONE) 804.290.7928 ( FAX) 0 M UJ �-00N U)Q <D11� � 00 ov LL 0-LU J00-1 WJZ (Dm �OZ 2O 0 0 )L SEAL SCALE F. CAMERON PALMORE Lic. No. 0402035275 SCALE: 1" = 50' 0 50, 100' No. DATE BY Description REVISIONS DRAWN BY APPROVED BY CHECKED BY DATE TITLE TMR FCP MCT AUGUST 20/9 WATER QUALITY NARRATIVE & CALCULATIONS PROJECT NO. 50097555 C9003 SHEET NO. 1 2 1 3 I 5 1 6 "i�'s' Dewberrye E 0 C L ►_I PRE -DEVELOPED DRAINAGE AREA MAP OUTFALL DRAINAGE AREA (AC) TC PATH (MIN) WEIGHTED CN E _ SHE Jy FLU SITE AREA 195 7.4 79.6 T t • O SJ%MiN OFFSITE AREA DETAINED 76B 250 9.7 OPEN DITC I 173A' ,) r •� �t � 228 M/N , I I/ / E• € PIPE FLLOW.• Tt \\. OPEN DITCH t. SITE AREA Tt°= 156 NING TO bUFALL tee. -- , \ \ \�\ - t E PIPEE FLOW Tfu I. Ul MINA —ft 3.00 MIN �Jr'/�`��J/ \ 1` -a •E ' l r'i i��i _ - „ -- z'I\ /r /IIII II II 11 / Ill/ I \ \ \ ♦ � m! ° \�'.. \ \ _i_- �- / - / , - ' ! / , � I ' I i-� \ 1 /' E• \ I \ - III / , ' I l , l l l l \: - ' I _'s, �' I I / - / / 111 � E• 1 � \III///, I I , /�, "1 E�� III / �! I I I L - \ \III I I I ! I I y _ _ _ _ __ _ - E. / / III / IIIIP/I +r %`1 \ ri E. 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I . �, 1 — - ,\ .\.. Dewberry Engineers Inc. 4805 LAKE BROOK DRIVE SUITE 200 GLEN ALLEN, VA 23060 804.290,7957 (PHONE) 804.290.7928 ( FAX) C Q Crr LL Q —i u Moo " U LL 3: — U J WJ Z Lu 0LLJ co m 1 ��Z oo a O LL SEAL F. CAMERON PALMORE Lic. No. 0402035275 SCALE SCALE: 1" = 100' 0 100, 200' No. I DATE I BY I Description REVISIONS DRAWN BY TMR APPROVED BY FCP CHECKED BY MCT DATE AUGUST 2019 TITLE DRAINAGE AREA MAPS PROJECT NO. 50097555 C9004 SHEET NO. OF 1 2 STORMSEWER DRAINAGE AREA MAPS 3 1 4 1 5 r 6 Dewberry® E 0 C J ►_I I, a II'I'1111rn T1 \`\ p 11 \ \ \ , / C.�_> eas ✓ _ �\ \\ \ \I OaO 90, �\ h Q \�S `\ \ \ \ 0 pp, gh OR \ \ O \ 1 \ '`• N - •:.,�\` \ �-� �1 4 I `\ `� \ - I \ \ \\ \ Q10\iL�`S\hhh� ` -- / d,,f3-� / / \ - �. 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'' \ \` ♦-' --- _ _____-o'---'/ `'�`- I III\ ��\ l\ \\ ' � r I \ - �lll /__ �'' -' /' / � /___ / `\ \ \ -,/ ♦ i`\ �_ o \ AS- BUILT STORMSEWER CALCULATIONS Storm Sewer Design Computations I..., >�:•. Dewberry °229 PROJECT: Boar's Head UrIneeter Road-M. buibs COUNTY: Albemarle County DATE: March,01,2019 ENGINEER: HCG/ Dewberry ConSult.m LLC OOtFALLTO STROCTURE: 2b TOTAL WEIGHTED RAINFALL INVERT AREA RUNOFF INLET INTENSITY SATURATION FLOW ELEVATIONS LENGTH DIAMETER MATERIAL MINIMUM MAKIMUM FLOW FROM TO "A" GOER "CA" TIME FREQUENCY "I" FACTOR Q LET L SLOPE Do COEFFICIENT CAPAOTY VELOOTY VELOCTY VELOCITY TIME INLET INLET (ACRE) "O` (MIN.) (YR) (IN/HR) C, (US) (FTI (FT/FT) (IN) n (CPS) (FPS) (FPS) (FPS) (MIN) REMARK INCR. ACC.- UPSTREAM DOWNSTREAM (1) (2) (3) (4) (5) (6) (7) (a) (9) (10) (11) (12) (13) (14) (I51 (16) (17) (18) (0) (20) (21) (22) (23) 1-1 1-2 0,47 0.69 0.32 0.32 5.00 20 6.64 1.00 2.15 559.39 558.94 51.0 DIM 15 0.On 6.07 4.53 3.0 10.0 0.19 1-5 1-6 1.60 0.50 GOO 0.80 8,30 10 5.76 1.00 4,60 5W.89 550.49 51.0 0.008 S 0.On S.n 5.211 3.0 10.0 0.16 Hydraulic Grade tine Computations IS Dewberry UD-347 PROIER: S.,', Head Connector Road -As WTI, COUNTY: Albemare Comity DATE: March,01,2019 ENGINEER: HCG/ Dewbeny Consultams LLC OUTFALL TO SFRUMRE: 14 JUNCTION LOSS Inlet Waler Flow Entering St'd 15-1 Inlet WxLj Ouvlet1.mI Inlet station Surtace Elevation D. pe L. S.% H, FinalH surtare Wm Elevation System Pmvided7 mvided ye No Q. V GV Vt/2g H, Angie He H, 1.3 R, 0.5 H, Elevation Through Drop (Enter Y or N) (1) (21 (3) (4) (5) (6) (7) (8) (9) (10) 1 (12) (12) (13) (14) (15) (16 (17) (18) (19) (20) (21) (CFS) 1-5 55L490 15 4.60 51.00 0.514 0.26 510 0.10 0.00 0.00 0.00 0.00 0.00 0 0.00 0.10 0.14 NA. 0.40 551.89 552.68 4.60 N 1-1 559940 15 2,15 51.00 0.112 0106 4.53 O08 0.00 0.00 OOO 0.00 Do 0 OLD DOB 0.10 N.A. OAS 560.10 56109 2,15 N Dewberry Engineers Inc. 4805 LAKE BROOK DRIVE SUITE 200 GLEN ALLEN, VA 23060 804.290,7957 (PHONE) 804.290.7928 ( FAX) C Q LU >- C/j 0 C/) < U) 0� Q�0 z ry Y ^ LL 0�00 6 0()P LL'3: C) J �JW OW m Woz Om j r-0z oo a 0 0 LL SEAL F. CAMERON PALMORE Lic. No. 004/02035275 �/ ,jl.ti�: SCALE SCALE: 1" = 50' 0 50' 160, No. I DATE I BY I Description REVISIONS DRAWN BY TMR APPROVED BY FCP CHECKED BY DATE TITLE MCT AUGUST 20/9 STORMSEWER MAPS AND CALCULATIONS PROJECT NO. 50097555 C9008 SHEET NO. OF 1 9 � A _r; R C C Lo r: '0,.,. Dewberry® Dewberry Engineers Inc. 4805 LAKE BROOK DRIVE SUITE 200 GLEN ALLEN, VA 23060 804.290.7957 (PHONE) 804.290.7928 ( FAX) C) l_I_. >-Ct)� �O z = Q Q 12 O00 OU �Jw 0w m Woz om US I--UZ 2O Q O o ry LL SEAL F. CAMERON PALMORE Lic. No. 0402035275 SCALE SCALE VERTICAL 0 5' 10' SCALE HORIZONTAL 1 0 25' 50' No. DATE I BY I Descrlptlon REVISIONS TMR DRAWN BY FCP APPROVED BY MCT CHECKED BY AUGUST 2019 DATE TITLE STORMSEWER PROFILES PROJECT NO. 50097555 C9008A SHEET NO. mg 1 9 � A -r; F Dewberryo C A C F Culvert Computations TOP OF ROAD HINDS ELEVATION HINGE ELEVATION = 559.79 PROJECT: Boar's Head Connector Road DATE: 13-Mar-19 DESIGNER: HCG 559.20' EL N ELtp STATION: 18+50 STRUCTURE: 1-9 As Built 0.59' FREEBOARD 1.16' HYDROLOGICAL DATA: Method: RATIONAL METHOD D Tw 0.80' x Drainage Area: 0.58 Acres ❑ Stream Slope: Channel Shape: ELF [I� - L � Routing: Other. 558.07 17' - _I 'l 5 =0.005 ft/ft 557 557.98 DESIGN FLOWS/TAILWATERS: R.I. (years) Flow lets) TW (ft) 2 2.2 0.8 10 2.9 0.8 CULVERT DESCRIPTION: Flaw Per HEADWATER CALCULATIONS OUTLET INLET CONTROL OUTLET CONTROL Control VELOCITY Barrel HW,/D HwH FALL ELt„ TW d, (dc+D)/2 In. 11 LL+,, Headwater C.M. Cone. Total Flow Q/N Material -She- Size - Entrance (cfs) 0 (2.) (3J (4J (5J (6.) (7. (8.) Elevation (9.) (9.) RCP Circ 12" ES-1 2.2 2.2 0.98 0.98 559.00 0.8 0.27 559.05 OUTLET 3.27 RCP Circ 12" ES-1 2.9 2.9 1.16 1.16 559.20 O.6 0.45 559.23 OUTLET 4.31 TECHNICAL FOOTNOTES: SUBSCRIPT DEFINITIONS: CULVERT BARREL SELECTED: (L) Use Q / NB for box culverts hd Design headwater SIZE: 12" (2J HWi/D=BIN / D or HWi ID (from design charts) hi Headwater in inlet cannot SHAPE: Circular (3.) FALL =HWi-(ELhd-ELsf): FAIL is zero for culverts on grade he Headwater in outlet control MATERIAL: Concrete n: 0.013 (4.) FLhi=HWi+ EU(invetl of inlet central section) i Inlet control section ENTRANCE:ES-1 (5.) TW based on downstream control or flow depth in channel a Outlet BOTTOM "n": 0.013 (6J he =T W or (dc + D / 2) (which ever is greater) sf Streamhed atculvet face BARREL N: 1 (7.) H=[I+ke+(29n2L/RL33)](V2/2g)orfmm design than tw Tailwater (8J EDto=ELo+H+ho (9.) V=Q/nr2 COMMENTS: All computations have been performed using HY-8. This form is for informational purposes only and all values match those calculated in HY-8. uawuuriy miyuluurs Inc. 4805 LAKE BROOK DRIVE SUITE 200 GLEN ALLEN, VA 23060 804.290,7957 (PHONE) 804.290.7928 ( FAX) C) l_I_. >-Ct)� �O z = Q Q 12 000 OU U LL � _ C.)-� �Jw ow m woz Om US I- U Z 2 O Q O ry LL WMro A% F. CAMERON PALMORE Lic. No. 0402035275 SCALL 1" = 50' 0 50' 160, No. I DATE I BY I Description DRAWN BY TMR APPROVED BY FCP CHECKED BY MCT DATE AUGUST 2019 TITLE CULVERT MAPS AND CALCULATIONS PROJECT NO. 50097555 C901 0 SHEET NO. M x 'v N r� U 1 o °!/1//Ilmvl \\\ 1 -- 411 0 20 40 BIOFILTER PLANTING SCHEDULE ROADWAY PLANTING SCHEDULE SYMBOL BOTANICAL NAME COMMON NAME ROOT SIZE QTY SPACING SYMBOL BOTANICAL NAME Clethra alnifolia Summersweet #3 cont. 18-36" ht. 153 AS SHOWN Amelanchier arborea Cephalanthus occidentalis Buttonbush #3 cont. 18-36" ht. 123 AS SHOWN @ Fothergilla major OIlex verticillata Common winterberry #3 cont. 18-36" ht. 64 AS SHOWN 0 Itea virginica r�r jErnst ERNMIX 180 Rain garden mix Drill plugs or broadcast at 20lb/acre Juniperus virginiana with cover crop with cover crop of grain rye at 30lbs/acre 2720 SF 0 Nyssa sylvatica SOD COMMON NAME ROOT SIZE QTY SPACING SYMBOL QTY Juneberry B&B 4-5 HT 12 AS SHOWN 50,000 SF Large Fotherglla #3 cont. 3-4' HT. 15 AS SHOWN ALL SITE PLANTINGS OF TREES AND SHRUBS SHALL BE ALLOWED Sweetspire #3 cont. 24-36" HT. 11 AS SHOWN TO REACH, AND BE MAINTAINED AT, MATURE HEIGHT. THE TOPPING OF TREES IS PROHIBITED. Eastern Red Cedar B&B 4-5 HT 11 AS SHOWN ALL VEGETATION SHALL BE MAINTAINED IN A HEALTHY CONDITION BY THE CURRANT OWNER AND REPLACED WHEN NECESSARY. ALL NEW PLANTING MATERIALS WILL BE INSTALLED PER Blackgum B&B 1.5"-1.75" CAL. 3 AS SHOWN ALBEMARLE COUNTY CODE 18-32.7.9.9 PROJECT Boar's Head Entrance Road Study CLIENT University of Virginia Foundation PO Box 400218 Charlottesville, VA 434.982.4848 tel 434.982.5852 fax www.uvafoundation.com CONSULTANT AECOM Technical Services 3101 Wilson Boulevard, Suite 900 Arlington, VA 22201 703.682.4900 tel www.aecom.com REGISTRATION DATE May 9, 2018 PROJECT NUMBER 60554783 TITLE ROADWAY AND BIOFILTER PLANTING PLAN SHEET NUMBER L 1