Loading...
HomeMy WebLinkAboutWPO201900062 Plan - VSMP 2022-03-23@ 2022 - 30 LLC m a a z w z z 3 ABBREVIATIONS SYMBOLS SOUTHWOOD -PHASE 1 CLEAN EARTH FILL PLAN -NORTH AREA WATER PROTECTION ORDINANCE (WPO) PLAN AMENDMENT WPO 2019-00062 TMP 90A1-1 D SCOTTSVILLE MAGISTERIAL DISTRICT ALBEMARLE COUNTY, VIRGINIA AC ACRE EXISTING PROPOSED CFS CUBIC FEET PER SECOND CG-12 ADA ACCESSIBLE CURB RAMP (VDOT STANDARD) �- GRASS DITCH LINING PER VESCH 3.32 CL CLASS CO SANITARY SEWER CLEANOUT 0 VDOT STD. EC-3 DITCH LINING CONC CONCRETE CY CUBIC YARDS --498-- -12- CONTOUR LINE WITH ELEVATION DB/PG DEED BOOK/PAGE DEO VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY 12 STORM SEWER STRUCTURE IDENTIFIER DIP DUCTILE IRON PIPE E&S EROSION AND SEDIMENT CONTROL O SANITARY SEWER STRUCTURE IDENTIFIER EL, ELEV ELEVATION BENCHMARK, TEST PIT EP, EOP EDGE OF PAVEMENT ESMT EASEMENT EW END WALL O MANHOLE WITH FRAME AND COVER EX FH EXISTING FIRE HYDRANT + 65 7 + 65 7 SPOT ELEVATION Dx FPS FEET PER SECOND 4 GW GUY WIRE ADA PARKING SYMBOL HDPE HIGH -DENSITY POLYETHYLENE PIPE HT HEIGHT WATER CROCK METER INV INVERT L LENGTH �cr FIRE HYDRANT LAT LATERAL LF LINEAR FEET o • WATER VALVE MAX MAXIMUM MH MANHOLE - - WATERMAIN MIN MINIMUM NTS NOT TO SCALE SANITARY SEWER MAIN PROP PROPOSED RCP REINFORCED CONCRETE PIPE m STORM SEWER SAN SANITARY SEWER STA STATION ---- PROPERTY LINE/RIGHT-OF-WAY LINE SVC SERVICE SW SIDEWALK -_- CENTER LINE SWM STORMWATER MANAGEMENT T TRANSFORMER FENCE LINE TBR TO BE REMOVED TC TOP OF CURB EASEMENT LINE TP TELEPHONE PEDESTAL UG UNDERGROUND VDOT VIRGINIA DEPARTMENT OF TRANSPORTATION VESCH VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK VSMP VIRGINIA STORMWATER MANAGEMENT PROGRAM WM WATER METER WV WATER VALVE C SOUTHWOOD - PHASE 1 WATER QUALITY PHOSPHORUS PROJECT TRACKING Plan Number VRRM Total Area (AC) Phosphorus Reduction Required (Iblyr) Phosphorus Reduction Provided (Iblyr) Credits Purchased (Iblyr) T Phosphorus Treated onsite WP0201900062 21.58 9.77 8.52 1.25 87.2% WP0202100004* 7.49 8.52 6.67 1.22 78.3% Offsite WP0202100004 2.91 0.18 0.63 0.00 350.0% PHA Block 11 1.27 1.50 0.66 0.84 44.0% PHA Block 12 2.84 3.48 2.70 0.79 77.6% Village 2 4.88 4.60 3.12 1.48 67.8% "No thern Wedge" (SEE NOTE 2) 1.01 0.20 0.00 0.20 0.0% Total 41.98 28.25 22.30 5.78 78.9% NOTES: 1) PROJECT TRACKING FOR PHASE 1 PROVIDED BY TIMMONS GROUP 2) THIS VSMP PLAN AMENDMENT "CLEAN EARTH FILL PLAN - NORTH AREA" IS ALSO KNOWN AS THE "NORTHERN WEDGE" CITY LIMITS NCO Q O 5TH ST co CO BROgE MM0 �R SITE J� HICKORY STREET �S 0 N O� �O VICINITY MAP SCALE: 1 "=2000' WATERSHED DATA: • LIMITS OF DISTURBANCE (LOD) = 1.01 AC. (THIS PLAN) • TOTAL LIMITS OF DISTURBANCE (WPO 2019-00062) = 16.69 AC. • INCREASE IN IMPERVIOUS AREA = 0.06 AC. (GRAVEL ROAD) • CONVERSION OF FOREST/OPEN SPACE TO MANAGED TURF=0.92 AC. • HUC CODE = JR-15 • RECEIVING WATERS = MOORES CREEK AND RIVANNA RIVER • AS DETERMINED BY THE US ARMY CORPS OF ENGINEERS (ACOE), NO ACOE PERMITTING OR REPORTING IS REQUIRED SINCE THE LIMITS OF DISTURBANCE COVERED BY THIS PLAN IS OUTSIDE OF ANY PROTECTED ELEMENTS OF A WATERS OF THE UNITED STATES. PROJECT TEAM ROLE COMPANY CONTACT PERSON OWNER/DEVELOPER HABITAT FOR HUMANITY OF GREATER CHARLOTTESVILLE WILLIAM THIESSEN CIVIL ENGINEER 30 SCALE, LLC MICHAEL MYERS, PE, CFM GENERAL CONTRACTOR FAULCONER CONSTRUCTION COMPANY BRYAN RIECKMANN,PE ENVIRONMENTAL/WETLANDS WETLANDS STUDIES AND SOLUTIONS, INC. (WSSI) ANNA OEHSER SIGNATURE BLOCK COUNTY ENGINEER SHEET INDEX # SHEET TITLE 1 COVER SHEET 2 EXISTING CONDITIONS PLAN 3 GRADING PLAN 4 STORM SEWER PROFILES AND DETAILS 5 SWM ACCESS ROAD PLAN AND PROFILE 6 EROSION AND SEDIMENT CONTROL PLAN - PHASE 1 7 EROSION AND SEDIMENT CONTROL PLAN - PHASE 2 8 EROSION AND SEDIMENT CONTROL DETAILS 9 EROSION AND SEDIMENT CONTROL NARRATIVE 10 STORMWATER MANAGEMENT PLAN 11 LANDSCAPE PLAN, POND GRADING DETAIL AND MAINTENANCE PROPERTY INFORMATION TAX MAP AND PARCEL: PORTION OF TMP 90A1-1 D OWNER/DEVELOPER: SOUTHWOOD CHARLOTTESVILLE, LLC SITE AREA: 1.01 AC. TOPOGRAPHIC SURVEY LINCOLN SURVEYING 11-23-2021 DATUM: HORIZONTAL DATUM: NAD 1983, VA SOUTH ZONE, VERTICAL DATUM: NVAD 1988 CITY/STATE ALBEMARLE COUNTY, VIRGINIA ZONING: R-2 DEVELOPMENT AREA? YES FLOODPLAIN NOTE: THE PROPERTY IS LOCATED IN ZONE "X", AN AREA DETERMINED TO BE OUTSIDE THE 0.2% ANNUAL CHANCE FLOOD PLAIN AS SHOWN ON FEMA MAP NO. 51003CO269D, EFFECTIVE DATE FEBRUARY 4, 2005. EXISTING USE: MOBILE HOME PARK PROPOSED USE: CLEAN EARTH FILL REVISIONS # DESCRIPTION DATE 1 COUNTY COMMENTS 02/09/2022 2 COUNTY COMMENTS 03/17/2022 APPROVED by the Albemarle County Communi�yp�glQpment Department Date :i/11 LL File WP0201900062 Amendment 2 ED] SCALE ENGINEERING owner: HABITAT FOR HUMANITY OF GREATER CHARLOTTESVILLE 967 2ND ST SE CHARLOTTESVILLE, VA 22903 engineer: 30 SCALE, LLC 871 JUSTIN DRIVE PALMYRA, VA 22963 p: 434.242.2866 e: mike@30scale.com web: www.30scale.com w Q I LU 2 0 Z I Z J 0. J J LL `2 1M Q LU Z W J CU P� Z W 0 Z LU Z Q D- 0_ N O W CD Z O Qorn Z_ N 0_ l� d O� O W d LU Q i AVM LF. S 9 0Lic. No. 33028 0 03/17/2022 S70NAL.Y�G� sheet title: COVER SHEET scale: AS SHOWN date: 12/23/2021 sheet # 1 OF 11 z (31 z O U w J �w uj w Co J @ 2022 - 30 SCALE, LLC m PRES \�D�L@P S \\ P RALBE AFL I \T \ C N GI� / �RESE4VEDRLE OI TYGI I \ \ I I I \ \ \ \\ �\ \ ✓/ EXI TI IF / 1 1 I \ ` \1�I IIII�I I /WATIN5f 1 i l �1/ \ I I_ I I I \ / /CA 814Y1V4�_ 6 27/Ci 17 � � V OU-478.02 � I° ¢°°l���'/, '�,�l�1�� /\\\ \\J%\�\ \\)/ \ I / /I \/ \\ 1��\ \\��\-•\ w\ rn \ VCP/ \ � / I WATER PROTECTION \ \ \ \ OR/NANCE BUFF �F 7D6 429.57O \ ANAGED SLOPS PER ALBEM%RLE / COUNTGIs EO \ \ \ OUT EXIS GSTO ( / �0/� SHED` /j�/ I /B€'�EMOVED / I E �CO 0+� n"/' / �/�j /` / ,✓ / � — — � �` � \ — � \ I / \ ti \\\ \ \ / MOB\�A35zz /�36 1-4 _/_/_�_//g/�/// BILE HOME / / ,� / /�/ ///j/ / —L�s/ 7- /�— _a5-440 o'i°/ire/�(/ / / � / \ \ \\ \\\ \\ \ \ \\ \ ----�5�2.1 ' / / /� SANMH( /2.7 WIRE FfENCE _ �/� — / B 11C� II�V =43�46 \ \ \ \ _ ^ L/ /\ y� \ // OI \ EIST A MH (PRIVATE) s/ / i / / j� / / na 443`i / \445 j /// s ��RAVEL PATH I TOP 469.46 8 V P N IN=464 7 (tiV) / / / - �� ��/ / 8"V P N IN 64.90(Ej T / / ��/.nd6��/� 5�j°�°�% Ett �2q5� _i� 8" �/ IN . O T7644.90 464.22 N i 46 �! / �- 4 / i % 45o \ \ 468.9 j�/� �— / .5 Y��! / Eto //� /i \ \ \\ ' NOTES: a69-7 =� . ` _ � j � �<s � _.G \ \ \ \ N r / s 1) EXISTING TOPOGRAPHY WITHIN THE LIMITS OF CONSTRUCTION IS �ab,\ N BASED ON A TOPOGRAPHIC FIELD SURVEY BY LINCOLN SURVEYING DATED 11-23-2021. VERTICAL DATUM NAVD 1988, CONTOUR INTERVAL Es IS ONE FOOT. — 2) EXISTING TOPOGRAPHY OUTSIDE OF THE LIMITS OF CONSTRUCTION ISTtNhI �\ �: \ \+Ea \ — = = —� _ — — / / / / A� — z \ \ \ \ \ \ IS BASED ON ORIGINAL AERIAL SURVEY OF THE SOUTHWOOD \ \ \ \\ \ \ ( D r �\\\X�\\ \� \ — \ — — — — — \aso\ / �/ / ` \ \ TRAILER PARK PROPERTY PERFORMED BY ROUDABUSH GALE & �' ASSOCIATES. \ 5" RCR IN N 4 1 ss - \ \ — _ — \ \ / / / — — — _ \ \ \ \ 3) THERE ARE NO JURISDICTIONAL WATERS OF THE US WITHIN THE \ \ \ \ P lg 18" RC V �\ \�C\ ( � —454 66 \ \ \ \ \ \ \ LIMITS OF CONSTRUCTION AS VERIFIED IN THE FIELD WITH THE US 455 =� \ \\ \ 452 / #7 — — —457 \ \ \ \ ARMY CORPS OF ENGINEERS (USACOE) ON DECEMBER 2, 2021 AND +OEVERIFIED BY —op MOBILE �/ / MOBILE HOA4E \ \ \\ \ \ \ \ \ \ \ \ \ DECEM ER 8, 0211.. REFER TO SWM BOOKLET OR DATED 51,400 \\ \ '®/ — —GRAVEL-PATHs/ / / \ I \ \ \ CORRESPONDENCE. °� REMOVED �\ _ / / / REFERENCE \ \ \ I \ \ \ 4) MANAGED SLOPES SHOWN HEREON ARE BASED S WITHIN ARLE THE COUNTY GIS. THERE ARE NO PRESERVED SLOPES WITHIN THE LIMITS \ \ \ \ \ \ EXISTING STOF�vI DI \ Q �1 \\�� �� — — \ — — EXISTINjSA�I C j BY WSSI OF CONSTRUCTION. MH LID TOP=468 39 \ I \ \ \ \ 15" RCP INV OUT 63.68.28 \ \ \° 2/ 8 462� \ \ I I I I I I �N \ \� ��" _ ,�\T®\ \="66--- STEEP SLOPES \ \ \ \ I 66. 3 �\ \ I� — L1 \ #, LEGEND SOILS LEGEND ' \\psa \ \ yo9 \ I I I I I I I MANAGED SLOPES SOILS TYPE°6�/ BOUNDARY Q 27C NRCS SOILS TYPE 9 / Ek ACE 0 D 69 ` \ <h� \ ✓ OUTHW OD PRESERVED SLOPES \ WI FENC \ \ \ / / QQ I I I I J \ \\ oI ct B \� / /i CHARL TTESVTTT,,LE, LLr I TM 90A1r 1D I III I ISTINGSAN MH(PR �T\ \ s \ \ \ ��_ ZI�NE: —2 ABBREVIATIONS �/w \ \ \ -468`.62 \\ / 47A.57 \ \ \ \ /' \ \ \ \ \ I \ \\ \\ \ Qvt / \ \ I \ \ CO CLEANOUT ' 00 6'•VCP_INV.IN=46 .) ( \ y \ \ \ �/ �6'VCP IN 465. (E) \\ \\ \ s \ Sy �) \ \ 0 < Pl / ���-� � A 6 � / \ \ \ � I \ \l \\\ \ INV INVERT —w VCP IN UT=465.75 /Fy� J� /� \ \ \ \ LP LIGHT POLE i \ 0,� Ex G�� / \ \ \ \ \ \ \ \ \ RCP REINFORCED CONCRETE PIPE \\ \ \ \\ \ \\ \ Y 76� \\\/\ 6 e'SEWER !� s \ 91,E \\ \ \ \ j `\ \ \ \ \\ \ \\ \ \ \`\\ MH MANHOLE \\ \ \ \ \ \ \ \\ \/SID X\\� TP TELEPHIONEISH P PEDESTAL 471. \ \ TR TRANSFORMER 0 20 40 VCP VITRIFIED CLAY PIPE SCALE: 1"=20' WV WATER VALVE REVISIONS # DESCRIPTION DATE 1 COUNTY COMMENTS 02/09/2022 2 COUNTY COMMENTS 03/17/2022 DISCALE ENGINEERING owner: HABITAT FOR HUMANITY OF GREATER CHARLOTTESVILLE 967 2ND ST SE CHARLOTTESVILLE, VA 22903 engineer: 30 SCALE, LLC 871 JUSTIN DRIVE PALMYRA, VA 22963 p: 434.242.2866 e: mike@30scale.com web: www.30scale.com a Z W Z W U w F— U w cc 0 Oz W ZQ Z 1 a- i Z °N QQ 3: p � J W o r_ Oa. Z°'o CD d7 Z c V � OJ �0 J °� ILL O 2 W H O- U Lu � W C/) D W >Q Q o_ O w Z ///��� < �r ■ � w v , w J J H O U sheet title: EXISTING CONDITIONS PLAN scale: 1 "=20' date: 12/23/2021 1 sheet # 2 OF 11 0 a z z w z 3 m �RE�� DD�L@PE\ PkR ALBE A \ C1NZ\ \ � ARBEI�RLECOU`1YGI I 1 \ \I I I III�-I_ \ \ I / EXI�TIN "II I_ 51 PIP TIRLIIJ I — —432 71,I�IILI I I \ W 1 \ �\ \ \\� SAN/MH( 49 \ \ \ \\ \ \ �wvl`-��� �� 27Ci / / // // / /�wi% / I I I I I s I� 0 \ T IN ISTI EX. SAN MH / / / / / / �w�� / I I I �'s /� / �f I S NITSEW �R \ \ \ \\\\ \ \ \ \ m� I TOP=48 .17 / / / / / / /�� s y / /7- j// IC DU���(((INC FILL / = / /� �\ N N T \ rn \ 8„VCPVOU�478.02 / / / / / / / �P / / /ram XO OCU /� /Xi I /P%._ ERTHISLINE a�� / / I WATER PROTECTION I o- ORDNANCE BUFF RJ \ \ \ F D6��/OME/ / 76 29.51\D\�0a/r \ \ \ \ \ / / /l l �✓ /ix // y r - / .. .�ES1DLWT �\ ANAGED SLOPS / I / / / %/ s\\ \ / \' 14'L X 0'W CL Ad RIP -RA \ \ \ \ \ 59' - PROP,36 R-P . 2.00 > \ C \ \ R$LOCATE EXISTING D PER ALBEM LE #jNp E f / / �°� / j�/ j 0 f \ \ OUTL T PROTECTION A 24" ILI ITHI HE COUNTGIS \\E / / /VOW, �\ \ 0 -,,DEEP ( CY) W TH FILT R EXIS I ITS F DISTURB E / / � / \ +,51 \ FFABRI U ER YMENT / \ OUT GS TO PRIOR TO FI RATIONS / / gt\ED / �� \ I / / B€ REMOVED p9 / 4 mOg� HO 10'�PROP15"RCP ru2A0°/n �/�n� V% 17 3 ti / — -- — y A�36 )P 36" R P a) 5. 0% \ \�✓45� a O 3 / \ J _ r o \ �` \\ Q 4 $ �/ CO STRIY� PAM MN I EXISTING PRIVATE / / — _ 55 < a \ BANK i'E rNilRY SEWER-K S€RV1EE // / \ / � �' / / i �� /� 1 \\r ' \ ^�o� s — /��— \ EN TIO \ \ \ \ I DFILL OPERATIONS - NO gILE HOM///�,b/� /.` \._M�/ /i / ��aao// \ \ \ //e�/ab/ / RVISI R POSED OVER THIS /// / / / / / / \ 3 / / \ TECHNICAL` \ \ \ \ \\ \ \ SEWER LINE � .� II I I WITSOF �� �/\VPAN AVA��AA _ LI"ii / DISTGRBANCE " IWO /_ �y / ���j// 3 SAN MH / = 1.01 AC. _ 45- s 2 \ \ \ I WIRE FENCE *f�/ � �� I ) \� 4� —5 \ N BIiC� II�V=43�46 "yam% `\ / �' Q3 / ! 57� \ N \\ \ \\ \ \ \ IE IST A MH PRIVATE / - �=-.' �i :�%7 L \ ' �¢ L iA1 / ai \ \ m \ \ I TOP 469.46_ 5 ' �� 2 i / / ��/ - C y 6 \ / \\ I I 18 V P N IN-464 TIVV) " _ / ,- -��/� � j/ y 1/ -RAP i/�f C\G I I > " P N IN= 64.90 (E) T 2 dss� -- -- pool / /.'' OP 12%HPE �� ° �� — / — IDE PONNTO S IfA `EL m \\ \ \ \ \ 8" IN .O T 464.22 Nx0 i� R'OP.12-W I I ( ) _� �// (0-1 �/ - E1 as — an _ /5/ ORMWWATER I I = R / + \ / Y / 5 ' —--dQNAGEMENT\ ACCE�S R �o /i P a as� — P d° �I / / �`- — _G S ACCI�EASEMEN� _ " 450 ,\ _ .-. s of- 13/ DISTURBANCE ='I 01 \ \ \ \s I I I \\\ MAINTAIN EXISTINN \ so\ —``� PRTOATE-SAQIITARY S\EWE EICN4 .1 '- /OPEJhLSR DNS�OTO V Z Iry 5;4S PROPOSED'6� 1000, ro iGSG€�^EXISTING ^54 \ 457 MOBILE HO ME � L \ 's�45 \ / 5Q, Sal .. ^ i 6 -/ V� EXISTING O `\IL i 27B \ \ I I I \ \ \ \ \ __ _ STEEP SLOPES 1 asa.et �O\ 58—��458 a // TP \ / I 3T-PROP36"RCP@a.00% _60 �\� ,/ \ I I I I I I LEGEND SOILS LEGEND \ \ \ 1 I I I I I1 46a. 3 ;•o�� MANAGED SLOPES SOILS TYPE Q ,L1; BOUNDARY / \ psa \ 27C NRCS SOILS TYPE RELOCATE EXISTING DRRR/Y I 6 \UTILITIES PRIOR TO FIL I / / / I I I I I I / - PRESERVED SLOPES 'PERATIONS / I \ a 66 i \ \ / OUTHW 0D EX`. ACE c \ WI FENCr \� \ \ — / / Q I I I I of ct 6 PROP. 5-LF 10 WIDE \ — / / / CHARL�TTESVI LE, LLr I \sSSWMAC ESS ROA \\ TM 90A1 1D I I I I I I I I ABBREVIATIONS SING SAN M PRT\ \ \ NEW IVEWAY s 57 \ TYPIGp L SECY�ON)�� ZI NE: —2 I I \ 1 \ I I I \ \\ v \ T@-46811.62 \ PRO / a�Q \ \ \ // / I \ \ \ NV INVERT CO OUT 6'-VCP�V. IN=466\53 ( \\\\\\ \s +ySq \ \ tijO\ \ \ Q� / \ \ \ \ ( I I \ \ \ \ \\\ LP LIGHT POLE \ \ 6-VCP INS. k465.1� (E) \\ \ \ S \ FtROP. 12'-WIDE\ RCP REINFORCED CONCRETE PIPE —8 IN�� QUT=465.75 W) \ \\ \\\ \ s \ 9<� °otic \ MjAO,^GyEbM�R \ \ �yOM EX • /\ \ \ \ \ \ \SAN \ \ \ \- I °� ` \ \ �\ \ \ \ MH MANHOLE SEWER Y 7B\ \\\\/\ 5 e/% s \ 9�� \ HCCE�S EAS�MENT\ SD SATELLITE DISH \� \\ \\ \\ TP TELEPHONEPEDESTAL0 20 40 TR TRANSFORMER c, s 471. \ v� \ \ — VCP VITRIFIED CLAY PIPE Oti /v / \\ \ \ \ \ \ \ \ WV WATER VALVE SCALE:1"=20' � ` \ ma's �,'� REVISIONS # DESCRIPTION DATE 1 COUNTY COMMENTS 02/09/2022 2 COUNTY COMMENTS 03/17/2022 U ZUZZ - 3U JUALt, LLU In RDISCALE ENGINEERING E AT FOR HUMANITY OF TER CHARLOTTESVILLE ND ST SELOTTESVILLE, VA 22903 r:ALE, LLCSTIN DRIVE YRA, VA 22963 .242.2866e@30scale.com ww.30scale.com z z W r Z W U W Z W w W m 0 Oz W ZQ Z i a- 1 Z a(N Q Q � �p � J W c) LL Z � O O Q o am Z N 0_ J 002 OJ °� ILL O F_ 2 U W H Ir O_ U W � D W >Q J¢ 0 W Z \ W WJ J 0 U sheet title: GRADING PLAN scale: 1 11=20' date: 12/23/2021 sheet # 3 OF 11 @ 2022 - 30 SCALE, LLC 480 475 470 465 460 455 450 445 440 435 430 425 420 415 w 0 X W m C =� -O. r 1 — RIP -RAP — DEEP WITH FILTER FABRIC 'YMENT I = • + 0+00 + STORM SEWER 6-7 PROFILE 495 490 485 480 480 475 475 470 470 465 465 460 460 455 455 450 450 445 445 440 440 435 435 430 430 425 425 420 420 415 415 410 w 0 W 2 o _ ¢ IT w n 0 i a0 _ r 3 o = ^ v a a 0 r EX, (2) DROP INLET STRUCTURES AND (2) MANHOLES TO BE01 REMOVED AND REPLACED WITH NEW DI-�CTOPS AND MANHOLE BASES. 4 rz r-_ a 0O r U - °' ?- W It - co - I ­_ Z o - z > W W W w r 0 Q a E PROP.GRADE -CONSTRUCTION OFDAM_ EMBANKMENT AND PIPE PENETRATIONS TO BE PERFORMED UNDER THE SUPERVISION OF A EQTECHNLCAL ENGINEER CLR. i PROP 36 RCP @ 90 31' -PROP 36" RCP @ 4.00% LF 15" RCP -TO EX. 34 REPLACED NEW 36"-DIA OVED WITH RCP - APPROX. LOCATION EX. 8" VCP SANITARY SEWER (PRIVATE) X-ING - DIG TEST PIT TO VERIFY INVERT w r ov�ia _ U zr> 00 i _- 47' -PROP 36�' RCP @ 5.00% -_- `O N O O O 01 04 j (DR v 14.0' - i 59 _ PROP 36" RCP @ 2.00% 14'L X 20'W-CL Al -RIP -RAF cal OUTLET PROTEC7IOR AT 24" DEEP (22 CY) WITH FILTER FABRIC UNDERLAYMENT r rl O O co Z M - Lo V -In M md -.c mOzz o H- VLo =O > > +)0 1 r u n + o - U) Z Z Z¢ ? I- V1 - - - - U) _ - M u� U) c) Po M w O C7 c) O a N LD M (D O O f` It It It O O Lo O It IT 't d' N (D N N It IT 7 V (D Ln M V It IT 7 VT M N In (o It IT 7 d' V V N r_� It V T V' n M M o'.' Lo 7 Ln rLo D7 0) V V V 7 L6 O (D Lc) 7 V lf) (D P') r Lo 7 d' In vi I.- Lc) 7 d' M N n r` r Lo 't d' O O O L6 00 O It M L6 of r W 7 V M of cD V STORM SEWER - DRAINAGE AREA MAP SCALE: 1 "=100' + 0+50 + 1+00 + 1+50 + 2+00 + 2+50 + STORM SEWER 1-5 PROFILE STRUCTURE #2 - RISER VDOT MH-2 WITH T-DI-1 FLAT TOP 5.3' FLAT TOP (T-DI-1) TOP ELEV=444.50 STEPS PER < VDOT ST-1 s=. N < 36" RCP INV. IN=433.26 (FROM STIR. 3) 36" RCP INV. OUT=432.26 (TO STIR.1) ro 0$7 Y% STRUCTURE #2A VDOT STD. EW-1 3+00 TOP OF EMBANKMENT = 445.00 PROVIDE REBAR CAGE TRASH _O c) RACK COVERING 2'W X 1.83'H H cj WEIR OPENING Z (= EL=444.00 100-YR WSE=443.87 O in STRUCTURE 2 TO REMAIN Q W OPEN DURING ALL PHASES 10-YR WSE=442.91 ? SEDIMENT TRAP o DRY STORAGE N EL=442.00 PROP.GRADE 1-YR WSE=440.84 2'W X 1.83'H WEIR 18 ** INV.=442.00 TRASH RACK AND j SEDIMENT TRAP b METAL PLATE PER WET STORAGE a VDOT STD. SW -DR 10-LF 15" RCP @ 2.00% ~- I EL=438.00 EXTEND CONCRETE 18" ** PAST FACE OF ENDWALL � 4"-DIA ORIFICE AT )E\/�\/ DURING E&S PHASES, CONTRACTOR TO STD. IS-1 PLUG 4" ORIFICE :TE BASE NOTE: ALL CONSTRUCTION SHALL CONFORM TO THE CURRENT EDITION OF THE VDOT ROAD AND BRIDGE STANDARDS AND SPECIFICATIONS. STORM STRUCTURE 2 AND 2A CONSTRUCTION DETAILS NTS 3+50 465 460 455 450 445 440 435 430 425 420 415 410 w a O X W 4+50 QW vw� 0 IF-- o_ OU W w PROP.GRAD Ln K —WEIR PLATE WITH TRASH RACK PER VDOT STD. SW -DR EX. GRADE 10' - PROP 15" RCP @ 2.00% � � N O O coL o N O N c') N r W M 7 c) co c) 4- 0 II II + 0 o > > > o > Z Z Z Z Q Q- - r(DLo V) n~ co .-- V1 � w a o? 0 x IL 0+00 + 0+50 STORM SEWER 2-2A PROFILE 0 20 40 0 10 20 HORIZ. SCALE: 1"=20' VERT. SCALE: 1"=10' REVISIONS # DESCRIPTION DATE 1 COUNTY COMMENTS 02/09/2022 2 COUNTY COMMENTS 03/17/2022 495 490 485 480 475 470 465 460 455 450 445 440 435 430 425 420 415 410 465 460 455 450 445 440 435 430 425 420 415 410 DISCALE ENGINEERING z z W > F Z Z) W U W C� Z W w W m 0 TOz i wW G ZQ Z 1 a- 1 z °N Q Q o J w O OZ c> Z N 0_ J p0� _ Off~ ILL 0 F_ = w 0 - U LU L w L/) D W Q J¢ O W Z r �r ■ � w v , w J J r O U sheet title: STORM SEWER PROFILES AND DETAILS scale: HORIZ. 1 "=20' VERT. 1 "=10' date: 12/23/2021 sheet # 4 OF 11 @ 2022 - 30 SCALE, LLC m 12'-WIDE SWM ACCESS EASEMENT (GRADED) 10'-WIDE SWM ACCESS ROAD 6" VDOT STD. 21A 2.0% R n, RIGHT DITCH LEFT DITCH * UNLESS OTHERWISE SPECIFIED WITH A CROWN SECTION ON GRADING PLAN (SHEET 3 AND SHEET 11) SWM ACCESS ROAD TYPICAL SECTION NTS DITCH LINING SCHEDULE STA 10+25 TO STA 12+00, USE CLASS Al RIP -RAP OR AN EQUIVALENT GRADATION OF STONE WITH d50=9". 500 495 490 485 480 475 470 465 460 455 450 445 440 435 430 U 1 NEW ONCRETE APRON m X N X A z n Z G � m RIGHT nA I� SIDE PROPOSED 10'-WIDE SWM ACCESS ROAD v v N 11+00 100'R 4 PROP. 0 STORMWATER A: //v MANAGEMENT CF ti/r EASEMENT \ 2 �. 12+ 00 0 2 1 0 ' — \ PT: 13+23.50 1 .0' \ PC:12+95.59 O — \ 13+00 s s \ FtiC� c���ST/ L _ F ti _ ZQ C�CAq GSq4CO �O�/j PROP. 12'-WIDE STORM WATER v�c� o MANAGEMENT ACCESS EASEMENT O O IO_ O SWM ACCESS ROAD PLAN SCALE: 1 "=20' PROVIDE PVI STA=10+22.91 PVIELEV=469.51 L = 20.00 N N N N ro o + a r6 2 0 a a a uu > l a z a -2.08 DITCH LINING FROM STA 10+25 TO 12+00 PER DITCH LINING SCHEDULE THIS SHEET —L PVI STA=11+86.51 PVIELEV=445.00 L= 50.00 — r LD + Q In d v n o6 V J N + Q In 5 O O V C J w a w a _ CONNECT TO BITTERNUT LANE WITH CONCRETE DRIVEWAY APRON CURB CUT ° PROP. ACCESS ROAD CENTERLINE GRADE 0.00% 12+08=APPROX.LOC. 12" STORM SEWER X-ING X. GRADE SE OX. PROP. 13+5236" STORM 36STORM SEW X-ING w 0 9 O (7 O r- a v 0 a. a O T7 O O) r— m v a O V 0)6 to m v v b f• L6 N co m v v r� Ih O co V) v v 0 06 in v N 7 m v l0 O LO v O r v v N 6 v v O v L6 V� v v v v 0 O V v v O L6 v O L6 v O L v O �> L v v O ui v 10+00 + 10+50 + 11+00 + 11+50 + 12+00 + 12+50 SWM ACCESS ROAD PROFILE + 13+00 + 13+50 + 0 20 40 HORIZ. SCALE: 1"=20' 0 10 20 VERT. SCALE: 1"=10' 500 495 490 485 480 475 470 465 460 455 450 445 440 435 430 REVISIONS # DESCRIPTION DATE 1 COUNTY COMMENTS 02/09/2022 2 COUNTY COMMENTS 03/17/2022 ED] SCALE I ENGINEERING owner: HABITAT FOR HUMANITY OF GREATER CHARLOTTESVILLE 967 2ND ST SE CHARLOTTESVILLE, VA 22903 engineer: 30 SCALE, LLC 871 JUSTIN DRIVE PALMYRA, VA 22963 p: 434.242.2866 e: mike@30scale.com web: www.30scale.com z W F Z Z) W 0 w 2 J ` u 1 Z w 1 w co Q C 0 O w Z Z � d 1 Z °N Q Q o J W CD Z � o O QN0- Z d J pow OJ off~ LL o F— w 0 LU W � D W >~ a O w Z a W W J J i JF- CUU Pt' AVM LF. S 9 0Lic. No. 33028 0 03/17/2022 ��SS/ONAL.Y�G` sheet title: SWM ACCESS ROAD PLAN AND PROFILE scale: HORIZ. 1 "=20' VERT. 1 "=10' date: 12/23/2021 sheet # 5 OF 11 © 2022 - 30 SCALE, LLC m FRESERV�D�L P�R A BE \ \C1N1 REVISIONS # DESCRIPTION DATE 1 COUNTY COMMENTS 02/09/2022 2 COUNTY COMMENTS 03/17/2022 ARESE VIED LBEf AR ECOUf rYGI I \ I I 1 \ A "'-N,\ \ \\ \ \ \ IN / I EXI IP T„ i5 \\ \ \\ —432 � I \��`�\ n /IN 49 9�I5 I 27c F/E / \\ \ OU =478.02 w / WATE PROTECTION \ \ ` \ ORD �ANCE BUFFEi2 l \ \ F DIN � sPHP�� / J L + \\ \\ / / / ^ / /` I �� 429.57\ \ \\\� \ T r i,� /j/// / ��I /� J a \\ \ \ ANAGEDSLOP�S/�� PER ALBEMARLE -I s / CO GIS M�gt�E / o / / / / I� / \�i/ / / \\ ` EXI OUT GS TO REMOVEDEg /-/{� b6c / �•4��//i�/ AZ/ � 436 MOB# E HOME / ^, / / / /// / / // / — �/ / f —_ /b �6� //�i�(//y /�-5 ��i� / j /35� _ _= —_� �aa/� 'S� \ \\\ \\\\ \ \\ \ O 21 A� SAN MH T\ \\ \\\\ WIRE FfdVCE — /��/�' 45� / / /Q/� / / / — \ \N B11S� E)�ISj A MH (PRIVATE) / /__ � X / // j / �/ �/" air' \ 44377— TOP=469.46 / 5 / �Y be o,- /cs 6 / aas / y/ I / /� �� �1 Q /ice 1 81 V P N IN=464 7-0) � s � / / '�,. -� � � / / / �✓ / � \ >" P N IN= 64.90 (E)I I82 qa5'o7 " IN O T 464.22 (N) 5 \ \ \ \\\N 44 �s � ,\ _ �_ _-- 5 N \ G 1 0 \ \�_ ,-_ ��, I\ \\ \ \ is DTN 4\�\� . \`" �\ --- �4S°\ / /� / — _ �\ \ \ STEEP SLOPES \ \ / \ 0000, �5 \ pss4�_----- `\ \ \ \ LEGEND SOILS LEGEND \ \\ \\ \ .00 FZG N \ \ \ \\�\� 5 _ \\ \\\ / #7---457 \ 65 \ \ \ Q � �— — — — — \ \� \ \ \ �� MOBILE HOf1�E \ \ \\ \ \ \ \ G MANAGED SLOPES _ _ SOILS TYPE \\\���G \ BOUNDARY \\ \ \\ / —� \\ \ — 27C NRCS SOILS TYPE \\ \ \ EXISTING STOF2�v1 DI A �� \�\Q� �� �EXISTI" CO \ \ MH LID TOP=468,39 ® \ \ — _ _ _ \ — — / \ 1 I PRESERVED SLOPES \ \ \ \ \ \ \\\ 15" RCP INV OUT�4636 8 \ \ �\ \ �Q j 4s6_ 27B \ \ 11 I 1J \ a8.et -- 7— — asz — — \ \ 46�Q— / \ \ \ // I I ABBREVIATIONS IN INN � 1 18 � \ \\ �� l � � �� "'0* \ / NV NVE TCO OUT T\ \ C �iVl`L LIP LIGHT POLE /� I I // \ j I RCP REINFORCED CONCRETE PIPE I ) pY \� / /� 119f I I SAN SANITARY SEWER V K 03 � \ \ MH MANHOLE \ �P \'/ EX ACE D \ \ 1 / �' OUTHW OD I SD SATELLITE DISH \ \ 1 , ( G \ � W\14 \ \ \ / / I TP TELEPHONE PEDESTAL \ _ \ OF C B C \ / / CHARL TTESV LE, LL TR TRANSFORMER \ \ ` // \ TM 90A 1-1 D� I VCP VITRIFIED CLAY PIPE SCALE: 1"=20'20 40 Z NE: -2 I I 1 I WV WATER VALVE �\ S.tING SAN MH (PRN T \ \ `0-46.62 \\ / s 47A.57 \ \ \ \ I 1 61'VCP_INV. INN=4466.53 ( `\\\`s `Q`+qS \ \ \ lx '�0 ,, Z� —a �NT UT=465.75 wj \\` \\ \s °yqY +cod\ \ \ \ \\ e'zFy� \\ \ \ \ \ �278 \\`/\ \ �� \�\ \ \\ `\\ F F��G \ \ \ \ \ \ \ \\ �\ \ \\ \\ N\ k \ \ \ \\ \ \ NN"\''I$+ ` \\ \ `�/ SQ\ \\ \ `\ \\ \\ \ \\ \sq\�� \\\ \\+\ / �\ `\NN-,,N "NNN- � � , I \ \ Z_- — \ \ \ DISCALE ENGINEERING owner: HABITAT FOR HUMANITY OF GREATER CHARLOTTESVILLE 967 2ND ST SE CHARLOTTESVILLE, VA 22903 engineer: 30 SCALE, LLC 871 JUSTIN DRIVE PALMYRA, VA 22963 p: 434.242.2866 e: mike@30scale.com web: www.30scale.com z z W > F Z W U w U) LU Z W w w ��0 cc OZ W ZQ Z a- i Z >N Q Q > � J W O r'_ O Z °' o Q O O7 Z (N J p0� O J 0 > H LL o F- 2 U w 1 ~ Ir O_ U LU � W c/) W W O w Z �r ■ � w v , W J J J ~ O U sheet title: EROSION ANC SEDIMENT CONTROL PLP PHASE 1 scale: 1 "=20' date: 12/23/2021 1 sheet # 6 OF 11 @ 2022 - 30 SCALE, LLC SEDIMENT TRAP DRAINAGE AREA MAP SCALE: 1 "=100' 2.1 SA_F IEIST A MH (PRIVATE) II TOP=469.46, / 8 V P N IN=464 IP . O TN IN: 18" �/ IN I I II I 4 8.92 4 \ \\ \\�\ it 00000 \ \ \ \ \ \ \32 S C 468. 4 9- &T NG SAN 9'H (PR T 61•VCF-lNV. IN=466.53 ( \\\\ s I6' VCP INV. ffiLN-\465.(E) \\ \ \ �\ \ -w C NV`QUT=45\ .75 (w> \ \ \\\ \\ \ \ \\\ \ \�278\ \\\\ 6 ���� s \ m lil III IIII�I//!I jIIIIIIIIIIIIIII / , \\ \ \ \ i I � � I REVISIONS # DESCRIPTION DATE 1 COUNTY COMMENTS 02/09/2022 2 COUNTY COMMENTS 03/17/2022 I II1N\\1I 1) IIIIIIIIIIII I ` \ \ _432 iII IIh� I II /// % I111 \\\\ \\ SAN�MH/(P�IVi�1�E1) 49V426 39D A111/ / �,;�' r / �J l l L // II w \ I / / �//I/� / �� /{ /� 1 a I / Jam+ \\ \ / upf76 �\ \\ SAF . ��R \ DDT ==_ = / i • \\� \_ AIX \ \ \.� i-Z 14`b� � ' � � ' 3 ) Ix/ SANMH43 ( �/// 4 a /_ ���� —� \ 46 4 f 4P, 13/ - 6 _ 5\ � V \1 Ny �I\ IIIIIII11\\\ I\ I 4 E5 {yv //—�_� \462 \ \ \ \ 1 I I I I I I I I 11 \ I \ so cl STEEP SLOPES �/ LEGEND SOILS LEGEND —_--457\ \\ 56 \\ \ \ S i n MANAGED SLOPES m mi BOUN RY CIP � / / / / \ \ \ I I I "7' NRCS SOILS TYPE / � 1 I/17 PRESERVED SLOPES 458— i 278 ABBREVIATIONS CO CLEANOUT 64, \ \ / // I I I INV INVERT p / R LIGHT POLE RCP REINFORCED CONCRETE PIPE \ \ \ SAN SANITARY SEWER e . 68 \ \ `� \ ✓ 1 / \' OUTHW OD I 1 I MH MANHOLE SD SATELLITE DISH F \ \ \ \ `\ _ — — / / /' CHARL TTES ' ,�LEIS LLr I I TP TELEPHONE PEDESTAL TR TRANSFORMER 0 20 40 TM 90A 1-1 I I I I VCP VITRIFIED CLAY PIPE SCALE: 1"=20' \ \ \ \ ZONE: -2 I I \ 1 \ WV WATER VALVE s \ _ EROSION STD# AND ABBREV. SEDIMENT SYMBOL CONTROL LEGEND E&S PRACTICE 3.02 CE c=1 CONSTRUCTION ENTRANCE 3.05 SF X—X- SILT FENCE 3.01 saF -EI-0- SAFETY FENCE (CHAIN LINK) 3.07 IP ® INLET PROTECTION 3.09 DD DIVERSION DIKE 3.13 STD TEMPORARY SEDIMENT TRAP 3.31 TS TEMPORARY SEEDING 3.32 PS Ps PERMANENT SEEDING 3.35 MU - - MULCH LOD LIMITS OF DISTURBANCE DISCALE ENGINEERING owner: HABITAT FOR HUMANITY OF GREATER CHARLOTTESVILLE 967 2ND ST SE CHARLOTTESVILLE, VA 22903 engineer: 30 SCALE, LLC 871 JUSTIN DRIVE PALMYRA, VA 22963 p: 434.242.2866 e: mike@30scale.com web: www.30scale.com g Z W Z w U W U z W w w ��0 02 Oz LU ZQ z a- i Z a >N Q Q > �� J LU O O Qom Z N 0_ OJ �°� J °� LL O F- 2 LU H d U QLU L w w~ Q a Lu O fn w Z �r ■ � w v , w J J 0 U0 sheet title: EROSION AND SEDIMENT CONTROL PLAN — PHASE 2 scale: 1 11=20' date 12/23/2021 sheet # 7 OF 11 @ 2022 - 30 LLC BLOCK & CRC] VEL CURB INLET SEDIMENT FILTER CURB INLET WIRE SCREEN RUNOFF OVERFLOW WATER WITH SEDIMENT FILTERED WATER ^� �IR�R SEDIMENT • I WIRE SCREEN Z' x 4- WOOD STUD �• CURB INLET SPECIAL APPLICATION THI5 METHOD OF INLET PROTECTION 15 APPLICABLE AT CURB INLETS WHERE AN OVERFLOW CAPABILITY IS NECESSARY TO PREVENT EXCESSIVE PONDING IN FRONT OF THE STRUCTURE. • GRAVEL SHALL BE VDOT 0, #357 OR #5 COARSE AGGREGATE IP) INLET PROTECTION BLOCK AND GRAVEL DROP INLET SEDIMENT FILTER VESCH STD. 3.07 TEMPORARY DIVERSION DIKE CmmnArfPei Rnii 4.5' min. DIVERSION DIKE VESCH STD. 3.09 REVISIONS # DESCRIPTION DATE 1 COUNTY COMMENTS 02/09/2022 2 COUNTY COMMENTS 03/17/2022 CONSTRUCTION OF A SILT FENCE (WITHOUT WIRE SUPPORT) 1. SET THE STAKES. 2. EXCAVATE A 4"X 4" TRENCH UPSLOPE ALONG THE LINE OF STAKES. 'MAX f FLOW / r 3. STAPLE FILTER MATERIAL TO STAKES AND EXTEND IT INTO THE TRENCH. FFrLor SHEET FLOW INSTALLATION (PERSPECTIVE VIEW) 4. BACKFILL AND COMPACT THE EXCAVATED SOIL, POINTS A SHOULD BE HIGHER THAN POINT B. DRAINAGEWAY INSTALLATION (FRONT ELEVATION) SF) SILT FENCE DETAIL VESCH STD. 3.05 TABLE 3.35-A ORGANIC MULCH MATERIALS AND APPLICATION RATES RATES: MULCHES: NOTES: Per Acre Per 1000 sq. ft. Straw or I lay VI - 2 tons 70 - 90 lbs. Free from weeds and coarse (Minimum 2 matter. Must be anchored. tons for Spread with mulch blower winter cover) or by hand. Fiber Mulch Minimum 35 Ihs. Do not use as mulch for 1500 lbs. winter cover or during hot, dry periods." Apply as slurry. Corn Stalks 4 -6 tons 185 -275 lbs. Cut or shredded in 4.6" lengths. Air-dried. Do not use in fine turf areas. Apply with mulch blower or by hand. Wood Chips 4 - 6 tons 185 - 275 lbs. Free of coarse matter. Air- dried. Treat with 12 lbs nitrogen per ton. Do not use in tine turf areas. Apply with mulch blower, chip handler, or by hand. Bark Chips 50 - 70 cu. 1-2 cu. yds. Free of coarse matter. Air - or yds. dried. Do not use in fine Shredded turf areas. Apply with Bark mulch blower, chip handler, or by hand. When fiber mulch is the only available mulch during periods when straw should be used, apply at a minimum rate of 2000 lbs./ae. or 45 Ibs./1000 sq. ft. Source: Va. DSWC fiRM10 0' MIN, T 9 WASHRACR to, MIN. (� tOPT10NAU i lii ltil jr� IIIIIIIII'Y-, .A-hU, . I n • 1s' MN. - SECTION A -A I&INIUNL[D LUNLNLIL UNHIIY arALL SECTION B—B CE) CONSTRUCTION ENTRANCE DETAIL MU) MULCHING SPECIFICATIONS (ps VESCH STD. 3.35 VESCH STD. 3.02 1992 332 TABLE 3.32-D SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT AREA Total Lbs. Per Acre Minimum Care Lawn - Commercial or Residential 175-200 lbs. Kentucky 31 or Turf -Type Tall Fescue 95.100% Improved Perennial Ryegrass 0-5% Kentucky Bluegrass 0-5% Hieh-Maintenance Lawn 200-250 ft. Kentucky 31 or Turf -Type Tall Fescue 100%D General Slope (3:1 or less) - Kentucky 31 Fescue 128 lbs. . Red Top Grass 2 lbs. . Seasonal Nurse Crop' 20 lbs, 150 lbs. Low -Maintenance Slops (Steeper than 3:1) Kentucky 31 Fescue 109 lbs. Red Top Grass 2 lbs. Seasonal Nurse Crop ' 20 lbs. Crownvetch " 20 lbs, 150 lbs. ' Use seasonal nurse crop in accordance with seeding dates as stated below: February 16th through April ........... 4 .......... Annual Rye May lst through August 15th ..................... Foxtail Millet August 16th through October ...................... Annual Rye November through February 15th ................... Winter Rye " Substitute Sericea lespedeza for Crownvetch east of Farmville, Va. (May through September use hulled Sericea, all other periods, use unhulled Sericea). If Flatpea is used in lieu of Crownvetch, increase rate to 30 lbs./acre. All legume seed must be properly inoculated. Weeping Lovegrass may be added to any slope or low -maintenance mix during warmer seeding periods; add 10.20 lbs./acre in mixes. 111 - 303 PERMANENT SEEDING SPECIFICATIONS VESCH STD. 3.32 SEDIMENT TRAP COMPUTATIONS ST DA WET STORAGE REQUIRED DRY STORAGE REQUIRED WET STORAGE PROVIDED DRY STORAGE PROVIDED BOTTOM TRAP DIMENSIONS CLEANOUT ELEV # (AC) (CF) (CF) (CF) (CF) 1 2.33 4215 4215 4256 5901 +- TX 14' 441.0 (TRIANGULAR) 1992 3.13 TEMPORARY SEDIMENT TRAP I r I VARNac' I OPoGROUCWNDPL �^+ I ate' 444.0 1.0' 67 CU. YD./ACRE (V VARIABLE• 442.0 s7 cu. RE rTERaMAX. (IX436D0 CLOTH GROUND » ELw.. .SEE PLATE 3.13-1 COARSE AGGRECI.TE CLASS I RIPRAP CROSS SECTION OF OUTLET (N/A - OVERFLOW IS VIA STRUCTURE 2) CLASS I RIPRPP LENGTH (IN IN:E FEET) 8 x DRAINMAREA IN AC.) DIVERSION DI"E 1 COARSE AGCRECATE ` EXCAVATED / FILTER CLOTH �f1 AREA / COARSE AGGREGATE SHALL BE VDOT 0- #357 OR 45 OUTLET (PERSPECTIVE VIEW) Source: Va. DSWC ST III- 76 SEDIMENT TRAP VESCH STD. 3.13 TABLE 331-B ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS 'QUICK REFERENCE FOR ALL REGIONS' Rate Planting Dat ucies (lbs./acre) Sept. 1 - Feb. 15 50/50 Mix of Annual Ryegrass (Lolium multi-Oorum) & so- 100 Cereal (Winter) Rye (Secale cereal[) Feb. 16 - Apr. 30 Annual Ryegrass 60 - 100 (Lolium multi-0omm) May I - Aug 31 German Millet 50 (Setaria italics) Source: Va. DSWC Plate 3.13-2 TS) TEMPORARY SEEDING SPECIFICATIONS VESCH STD. 3.31 ENGINEERING owner: HABITAT FOR HUMANITY OF GREATER CHARLOTTESVILLE 967 2ND ST SE CHARLOTTESVILLE, VA 22903 engineer: 30 SCALE, LLC 871 JUSTIN DRIVE PALMYRA, VA 22963 p: 434.242.2866 e: mike@30scale.com web: www.30scale.com W WQ W a � Z O cW G z Z i Z °N 0 Q boo J W O Z o O ZCD N0- z a J o0 OJ off~ LL o 2 W M� H 1..� 0- Q(r W Uj>H Oz U) W J U sheet title: EROSION AND SEDIMENT CONTROL DETAILS scale: AS SHOWN date: 12/23/2021 sheet # 8 OF 11 Z (.f Of > z 7 0 U w J O CO CO J 0 U X F- rn 0 Q w F U) O w J J i 0 U U) @ 2022 - 30 SCALE, LLC M EROSION AND SEDIMENT CONTROL NARRATIVE PROJECT DESCRIPTION THE PURPOSE OF THIS PLAN IS TO PERFORM CLEAN EARTH FILL OPERATIONS IN AN APPROXIMATE 1-ACRE GULLY LOCATED IN BETWEEN FIN COURT AND IRIS COURT, BOUNDED ON THE SOUTH BY BITTERNUT LANE AND ENDING AT THE WATER PROTECTION ORDINANCE BUFFER ON THE NORTH. BASED ON SITE VISITS AND CORRESPONDENCE WITH THE US ARMY CORPS OF ENGINEERS (ACOE), THE LIMITS OF DISTURBANCE COVERED BY THIS PLAN IS OUTSIDE OF ANY PROTECTED ELEMENTS OF A "WATERS OF THE UNITED STATES", AND THEREFORE NO ACOE PERMITTING OR REPORTING IS REQUIRED. ALSO, NO DISTURBANCE OF THE WATER PROTECTION ORDINANCE BUFFER IS PROPOSED AND THERE IS NO 100-YEAR FLOODPLAIN WITHIN THE LIMITS OF DISTURBANCE. EXISTING CONDITIONS THERE IS AN EXISTING STORM DI INLET AT THE LOW POINT ON BITTERNUT LANE THAT DISCHARGES INTO THE EXISTING CHANNEL THAT BISECTS THE GULLY AND DISCHARGES INTO THE WATER PROTECTION ORDINANCE BUFFER. THE LAND SLOPES STEEPLY FROM THE TOP OF THE GULLY DOWN TO THE CHANNEL. ADJACENT AREAS THE ADJACENT PROPERTIES ARE RESIDENTIALLY ZONED. NO OFFSITE DISTURBANCE IS PROPOSED WITH THIS PLAN. SOIL DESCRIPTIONS THE SOILS ARE CHARACTERIZED BY HAZEL AND ELIOAK LOAMY SOILS IN ACCORDANCE WITH THE NRCS SOILS REPORT. REFER TO SOILS REPORT IN SWM COMPUTATIONS BOOKLET. CRITICAL AREAS THERE ARE MANAGED SLOPES WITHIN THE LIMITS OF CONSTRUCTION. THE WATER PROTECTION ORDINANCE BUFFER IS ALSO LOCATED AT THE NORTHERN LIMITS OF CONSTRUCTION. EROSION AND SEDIMENT CONTROL MEASURES ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE IN ACCORDANCE WITH THE CURRENT EDITION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, AND VIRGINIA EROSION AND SEDIMENT CONTROL REGULATIONS. THE PERMITTEE OR THEIR AGENT AND/OR CONTRACTOR SHALL FAMILIARIZE THEMSELVES WITH ALL APPLICABLE PRACTICES CONTAINED THEREIN WHICH MAY BE PERTINENT TO THIS PROJECT. THE PURPOSE OF SUCH PRACTICES, INCLUDING BUT NOT LIMITED TO THOSE SHOWN ON THESE PLAN SHEETS, SHALL BE TO PRECLUDE ALL WATERBORNE OR AIRBORNE SEDIMENTS RESULTING FROM CONSTRUCTION ACTIVITIES FROM ENTERING ONTO ADJACENT PROPERTIES OR INTO STATE WATERS. ALL SEDIMENTS MUST BE CONFINED TO THE PROJECT SITE AT THE LOCATION(S) SHOWN ON THE PLANS. PROTECTION OF EXISTING NATURAL VEGETATION FROM NEEDLESS DISTURBANCE IS ESSENTIAL. ALL CONSTRUCTION PERSONNEL SHALL BE CAUTIONED TO AVOID DAMAGE TO EXISTING TREES AND VEGETATION DURING CONSTRUCTION ACTIVITIES. 3.02 - TEMPORARY CONSTRUCTION ENTRANCE (CE) A CONSTRUCTION ENTRANCE SHALL BE PROVIDED AT THE ENTRANCE OF THE PROJECT SITE TO PROVIDE A MEANS OF REMOVING SEDIMENT FROM THE TIRES OF CONSTRUCTION VEHICLES LEAVING THE WORK SITE. THE CONTRACTOR SHALL REMOVE ANY MUD FROM THE EXISTING ROAD SURFACE BY MEANS OF SWEEPING AND SHOVELING, IN THE EVENT THE WASH AREA IS NOT ADEQUATE IN SEDIMENT REMOVAL. 3.05 - SILT FENCE (SF) SILT FENCE IS TYPICALLY INSTALLED AS A FIRST STEP IN CONSTRUCTION ACTIVITIES. LOCATION AND DETAILS ARE SHOWN ON THE PLANS. 3.09 - DIVERSION DIKE (DID) A RIDGE OF COMPACTED SOIL OR LOOSE ROCK OR GRAVEL CONSTRUCTED ACROSS DISTURBED RIGHT-OF-WAY AND SIMILAR SLOPING AREAS. LOCATION AND DETAILS OF THE RIGHT OF WAY DIVERSION ARE SHOWN ON THE PLANS. 3.31 - TEMPORARY SEEDING (TS) TO THE MAXIMUM EXTENT POSSIBLE, TEMPORARY SEEDING SHALL BE APPLIED TO DENUDED AREAS THAT REMAIN DORMANT FOR 7 DAYS. SEEDED AREAS SHALL BE LIMED WHEN NECESSARY AT A RATE OF 2 TONS/ACRE, AND FERTILIZED AT A RATE OF 600 LBS/ACRE OF 10-20-10 (14 LBS. PER 1,000 SQUARE FEET) OR EQUIVALENT. CONTRACTOR SHALL SELECT TEMPORARY SEEDING PLANT MATERIALS FROM TABLE 3.31-B FROM THE VESCH. 3.32 - PERMANENT SEEDING (PS) A PERMANENT VEGETATIVE COVERING SHALL BE ESTABLISHED ON DISTURBED AREAS WITHIN 7 DAYS OF BEING BROUGHT TO FINAL GRADE AND THAT WILL NOT BE PAVED OR OTHERWISE BUILT UPON. CONTRACTOR TO SELECT THE PERMANENT SEEDING MIXTURE IN ACCORDANCE WITH THE SPECIFICATIONS IN THE VESCH. 3.35 - MULCHING (MU) ALL SEEDED AREAS SHALL BE MULCHED WITH STRAW IMMEDIATELY FOLLOWING SEEDING OPERATIONS. STRAW MULCH SHALL BE APPLIED AT A RATE OF 1.5 TO 2 TONS/ACRE. OTHER ALTERNATIVES MAY BE SELECTED FORM TABLE 3.35-A OF THE VESCH. 3.38 - TREE PROTECTION (TP) THE USE OF FENCING TO SERVE AS A VISUAL AND PHYSICAL BARRIER FOR THE EXISTING VEGETATION THAT IS TO REMAIN UNDISTURBED AS PART OF THIS PLAN. EROSION AND SEDIMENT CONTROL NOTES 1. THE CONSTRUCTION ACTIVITY OPERATOR OR HIS DESIGNEE, SHALL INSPECT ALL EROSION AND SEDIMENT CONTROL DEVICES IN ACCORDANCE WITH THE SCHEDULE PROVIDED IN THE GENERAL CONSTRUCTION PERMIT. IT IS RECOMMENDED THAT DEVICES BE CHECKED EACH DAY AND CERTAINLY AFTER EACH RAIN EVENT, AND THAT REPAIRS ARE MADE IMMEDIATELY AND AREAS ARE RE -SEEDED AND MULCHED AS APPROPRIATE. 2. ALL SEDIMENT -TRAPPING DEVICES AND FENCES SHALL BE CLEANED OUT AT 50 PERCENT CAPACITY OR HEIGHT, AND SEDIMENT SHALL BE DISPOSED OF BY PUMPING INTO A SILT -SACK OR OTHER APPROVED MEANS. 3. GRAVEL OUTLETS SHALL BE CHECKED REGULARLY FOR SEDIMENT BUILDUP AND BE CLEANED WHEN SEDIMENT IS VISIBLY CLOGGING THE VOID SPACES. 4. DIVERSIONS SHALL BE CHECKED TO ENSURE PROPER RE-ROUTING OF DRAINAGE. DAMAGES THAT INTERRUPT THE EFFECTIVE FUNCTIONING OF THE DIVERSION SHALL BE REPAIRED IMMEDIATELY. 5. ALL SEEDED AREAS SHALL BE INSPECTED REGULARLY TO ENSURE THAT A VEGETATIVE COVER IS BEING ESTABLISHED. IN THE EVENT THAT THE SEEDING DOES NOT TAKE, CONTRACTOR TO TROUBLESHOOT AND TAKE REMEDIAL ACTION UNTIL THE APPROPRIATE VEGETATIVE COVER IS ESTABLISHED. 6. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. 7. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE ALBEMARLE COUNTY E&S INSPECTOR. 8. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. 9. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. 10. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS FOR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. 11. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA. 12. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER DEBRIS. 13. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAT MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY PUBLIC STREET BECAUSE OF SLIDES, SINKING, OR COLLAPSE. EROSION AND SEDIMENT CONTROL MINIMUM STANDARDS (PER 9VAC25-840-40) 1. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER THAN 14 DAYS, OR 7 DAYS IF REQUESTED BY THE LOCAL INSPECTOR. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. 2. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCK PILES AND BORROW AREAS SHALL BE STABILIZED OR PROTECTED WITH SEDIMENT TRAPPING MEASURES. THE APPLICANT IS RESPONSIBLE FOR THE TEMPORARY PROTECTION AND PERMANENT STABILIZATION OF ALL SOIL STOCKPILES ON SITE AS WELL AS BORROW AREAS AND SOIL INTENTIONALLY TRANSPORTED FROM THE PROJECT SITE. 3. A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT OTHERWISE PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL NOT BE CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT IS UNIFORM, MATURE ENOUGH TO SURVIVE AND WILL INHIBIT EROSION. 4. SEDIMENT BASINS AND TRAPS, PERIMETER DIKES, SEDIMENT BARRIERS AND OTHER MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP IN ANY LAND -DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. 5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION. 6. SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE TOTAL DRAINAGE AREA TO BE SERVED BY THE TRAP OR BASIN. A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA AND THE TRAP SHALL ONLY CONTROL DRAINAGE AREAS LESS THAN THREE ACRES. B. SURFACE RUNOFF FROM DISTURBED AREAS THAT IS COMPRISED OF FLOW FROM DRAINAGE AREAS GREATER THAN OR EQUAL TO THREE ACRES SHALL BE CONTROLLED BY A SEDIMENT BASIN. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT BASIN SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA. THE OUTFALL SYSTEM SHALL, AT A MINIMUM, MAINTAIN THE STRUCTURAL INTEGRITY OF THE BASIN DURING A 25-YEAR STORM OF 24-HOUR DURATION. RUNOFF COEFFICIENTS USED IN RUNOFF CALCULATIONS SHALL CORRESPOND TO A BARE EARTH CONDITION OR THOSE CONDITIONS EXPECTED TO EXIST WHILE THE SEDIMENT BASIN IS UTILIZED. 7. CUT AND FILL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT WILL MINIMIZE EROSION. SLOPES THAT ARE FOUND TO BE ERODING EXCESSIVELY WITHIN ONE YEAR OF PERMANENT STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECTED. 8. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN ADEQUATE TEMPORARY OR PERMANENT CHANNEL, FLUME OR SLOPE DRAIN STRUCTURE. 9. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL BE PROVIDED. 10. ALL STORM SEWER INLETS THAT ARE MADE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED SO THAT SEDIMENT -LADEN WATER CANNOT ENTER THE CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR OTHERWISE TREATED TO REMOVE SEDIMENT. 11. BEFORE NEWLY CONSTRUCTED STORMWATER CONVEYANCE CHANNELS OR PIPES ARE MADE OPERATIONAL, ADEQUATE OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR PERMANENT CHANNEL LINING SHALL BE INSTALLED IN BOTH THE CONVEYANCE CHANNEL AND RECEIVING CHANNEL. 12. WHEN WORK IN A LIVE WATERCOURSE IS PERFORMED, PRECAUTIONS SHALL BE TAKEN TO MINIMIZE ENCROACHMENT, CONTROL SEDIMENT TRANSPORT AND STABILIZE THE WORK AREA TO THE GREATEST EXTENT POSSIBLE DURING CONSTRUCTION. NONERODIBLE MATERIAL SHALL BE USED FOR THE CONSTRUCTION OF CAUSEWAYS AND COFFERDAMS. EARTHEN FILL MAY BE USED FOR THESE STRUCTURES IF ARMORED BY NONERODIBLE COVER MATERIALS. 13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN TWICE IN ANY SIX-MONTH PERIOD, A TEMPORARY VEHICULAR STREAM CROSSING CONSTRUCTED OF NONERODIBLE MATERIAL SHALL BE PROVIDED. 14. ALL APPLICABLE FEDERAL, STATE AND LOCAL REQUIREMENTS PERTAINING TO WORKING IN OR CROSSING LIVE WATERCOURSES SHALL BE MET. 15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WORK IN THE WATERCOURSE IS COMPLETED. 16. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA: A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF -SITE PROPERTY. D. MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION AND PROMOTE STABILIZATION. E. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THIS CHAPTER. F. APPLICABLE SAFETY REQUIREMENTS SHALL BE COMPLIED WITH. 17. WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PAVED OR PUBLIC ROAD SURFACE, THE ROAD SURFACE SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTED TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. THIS PROVISION SHALL APPLY TO INDIVIDUAL DEVELOPMENT LOTS AS WELL AS TO LARGER LAND -DISTURBING ACTIVITIES. 18. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE VESCP AUTHORITY. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION. 19. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE PROTECTED FROM SEDIMENT DEPOSITION, EROSION AND DAMAGE DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK FLOW RATE OF STORMWATER RUNOFF FOR THE STATED FREQUENCY STORM OF 24-HOUR DURATION IN ACCORDANCE WITH THE SPECIFICATIONS PROVIDED IN THE PLANS. STREAM RESTORATION AND RELOCATION PROJECTS THAT INCORPORATE NATURAL CHANNEL DESIGN CONCEPTS ARE NOT MAN-MADE CHANNELS AND SHALL BE EXEMPT FROM ANY FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS FOR NATURAL OR MAN-MADE CHANNELS. THE SITE COMPLIES WITH MS-19 CHANNEL PROTECTION CRITERIA BY MEETING THE ENERGY BALANCE CRITERIA FOR THE 1-YEAR DESIGN STORM. THE SITE COMPLIES WITH MS-19 FLOOD PROTECTION CRITERIA BY REDUCING THE 10-YEAR PEAK FLOW TO BELOW PRE -DEVELOPMENT LEVELS. CONSTRUCTION PHASING NARRATIVE: ANTICIPATED START DATE: APRIL 2022 ANTICIPATED COMPLETION DATE: SEPTEMBER 2022 PHASE 1 1. INSTALL CONSTRUCTION ENTRANCE AS SHOWN ON PLANS. 2. INSTALL SAFETY FENCE AND SILT FENCE ALONG PERIMETER OF LIMITS OF DISTURBANCE AS SHOWN ON THE PLANS. 3. INSTALL STORM SEWER PIPE SO THAT CHANNEL FLOW FROM UPSTREAM STORM SEWER CAN BE DIVERTED TO NEW STORM SEWER PIPE AND FLOW THROUGH THE PROJECT AREA WITHOUT MIXING WITH CONSTRUCTION RUNOFF. 4. INSTALL OUTLET PROTECTION BELOW STRUCTURE 1. 5. CONSTRUCT SEDIMENT TRAP. BLOCK ORIFICE OPENING IN STRUCTURE 2A. ENSURE 2'-WIDE OPENING IN STRUCTURE 2 IS OPERATIONAL EXCAVATED MATERIAL CAN BE USED FOR THE POND EMBANKMENT AND EXCESS CAN BE PLACED UPSTREAM OF THE POND SO LONG AS POSITIVE DRAINAGE IS MAINTAINED. 6. UPON PERMISSION OF THE ALBEMARLE COUNTY EROSION AND SEDIMENT CONTROL INSPECTOR, MOVE TO PHASE 2 CONSTRUCTION. PHASE 2 1. BEGIN CLEAN EARTH FILL OPERATIONS IN MAXIMUM 24-INCH LIFTS UNTIL DESIGN GRADES HAVE BEEN ACHIEVED. 2. ALWAYS MAINTAIN POSITIVE FLOW TO THE SEDIMENT TRAP. 3. PERMANENTLY STABILIZE ALL DISTURBED AREAS WITH PERMANENT SEEDING AND MULCH. 4. CONVERT SEDIMENT TRAP TO PERMANENT SWM FACILITY BY REMOVING PLUG AT STRUCTURE 2A AND PROVIDE TRASH RACK AROUND ORIFICE OPENING. 5. ONLY REMOVE EROSION AND SEDIMENT CONTROL MEASURES FOLLOWING PERMANENT STABILIZATION AND WITH THE PERMISSION OF THE ALBEMARLE COUNTY E&S INSPECTOR. Site Results (Water Quality Compliance) Area Checks D.A. A D.A. B D.A. C D.A. D D.A. E AREA CHECK FOREST/OPEN SPACE (ac) 0.00 0.00 0.00 0.00 0.00 OK. IMPERVIOUS COVER (ac) 0.00 0.00 0.00 0.00 0.00 OK. IMPERVIOUS COVER TREATED ac 11 0.00 0.00 0.00 0.00 0.00 E0.00 OK. 0 MANAGED TURF AREA (ac) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 OK. OK. MANAGED TURF AREA TREATED(ac) AREA CHECK OK. OK. OK. OK. OK. Site Treatment Volume (ft3) 97g Runoff Reduction Volume and TP By Drainage Area D.A. A D.A. B D.A. C D.A. D D.A. E TOTAL RUNOFF REDUCTION VOLUME ACHIEVED (ft) 0 0 0 0 0 0 TP LOAD AVAILABLE FOR REMOVAL Ib r l /v 1 0.00 � 0.00 0.00 0.00 �� 0.00 0.00 TP LOAD REDUCTION ACHIEVED Ib r ( /Y) 0.00 0.00 0.00 0.00 0.00 0.00 _ TP LOAD REMAINING (lb/yr) 0.00 0.00 11 0.00 0.00 0.00 0.00 NITROGEN LOAD REDUCTION ACHIEVED (lb/yr) 0.00 0.00 0.00 0.00 0.00 0.00 Total Phosphorus FINAL POST -DEVELOPMENT TP LOAD (lb/yr) 0.61 _ TP LOAD REDUCTION REQUIRED (lb/yr) 0.20 TP LOAD REDUCTION ACHIEVED fib/yr) 0.00 TP LOAD REMAINING (lb/yr): 0.61 REMAINING TP LOAD REDUCTION REQUIRED (lb/yr): 0.20 Total Nitrogen (For Information Purposes) POST -DEVELOPMENT LOAD (Ib/yr) 4.40 NITROGEN LOAD REDUCTION ACHIEVED (Ib/yr) 0.00 REMAINING POST -DEVELOPMENT NITROGEN LOAD (lb/yr) 4.40 VRRM SITE RESULTS SHEET ECOSYSTEM SERVICES, LLC 1739 Allied Street. Suite A Charlottesville, VA 22903 (I 540.57R.4296 www.ecesystemservices.us j010 Ccesv5temscrvice..us March 11, 2022 MirhaPl MyPrc, PF, CFM 30 Scale, LLC 871 Justin Drlve Palmyra, VA 22963 RE: Nutrient Offset Credit- Credit Availability Letter Southwood Redevelopment Village 1- Northern Wedge Fill Hickory Street, Charlottesville, VA 22902 Project Tar Map Parcel ID: 09A1-00-00-001E0, 09000-00-00-OOlAO Project HUC: 020802040402 Banc HUC: D20802D40202 Bank Address: 1705 Lambs Road, Charlottesville, VA Z2901 Dear Mr. Myei5, We appreciate the opportunity to provide a credit availability letter for= pounds of phosphorus for the above referenced project. This letter is to certify that as of today, March 11, 2022, Ivy Creek Nutrient Bank has 173.20Pounds of phosphorus (TP), 266.53 pounds of nitrogen (TN), and 54 61S.39 pounds of TSS available for transfer to those entities requiring offsets in accordance with the Chesapeake Ba Q 8 P Y r a I Wale shed Nutrient Cr dlt exchan a Program �A Code 62.1-44.79:14 et se Those offsets are also e e< ( § a , transferable in accordance with the Virginia stormwater offset program (VA Code § 62.1-44.35:35) and the Virginia Soil and Water Conservation Board's Guidance Document on Stormwater Nonpo.nt Nutrient Offsets approved on Ju y 23, 2009, to those regulated entities qualifying for nutrient credits, We can certainly accommodate your needs and could offer to falfil the order of 0.20 pounds of phosphorus. Please feel free to contact u; with any cuestions. I hope vie have the opportunityto work together on this project. Sincerely, Ecosystem Services, LLC By: ,,`` *E kA- lonathar R. Roller, AOSE PSS CLAMP Manager- Authorized Representative NUTRIENT CREDIT AVAILABILITY LETTER NARRATIVE ON NUTRIENT CREDIT PURCHASE ON THE FIRST SUBMISSION OF THE VSMP PLAN, THE VRRM SPREADSHEET HAD INCLUDED THE ENTIRE 2.33-ACRE DRAINAGE AREA AS THE SITE AREA. ON THE 2ND SUBMISSION (2/9/2022), THE VRRM SPREADSHEET HAS BEEN REVISED TO INCLUDE ONLY THE 1.01-ACRE DISTURBED AREA AS THE SITE AREA. AS A RESULT, THE REQUIRED NUTRIENT CREDITS TO BE PURCHASED ARE 0.20 LBS/YEAR. NOTE: REFER TO STORMWATER MANAGEMENT NARRATIVE ON SHEET 10 FOR DESCRIPTION OF WATER QUANTITY AND WATER QUALITY CONTROL. REFER TO HYDROLOGIC AND HYDRAULIC CALCULATIONS BOOKLET FOR COMPLETE VRRM REDEVELOPMENT SPREADSHEETS. REVISIONS # DESCRIPTION DATE 1 COUNTY COMMENTS 02/09/2022 2 COUNTY COMMENTS 03/17/2022 m,ySCALE ENGINEERING owner: HABITAT FOR HUMANITY OF GREATER CHARLOTTESVILLE 967 2ND ST SE CHARLOTTESVILLE, VA 22903 engineer: 30 SCALE, LLC 871 JUSTIN DRIVE PALMYRA, VA 22963 p: 434.242.2866 e: mike@30scale.com web: www.30scale.com Z Z W > F Z Z) W U w C� Z W w W m 0 OZ W 2E ZQ Z I Q D_ 1 Z aN Q Q CD J W O Z � O �O Z CDCA Z N D_ J o0 pJO > H ILL O H 2 W H d U LU L W L/) w~ D >Q J¢ O w Z wJ,. Q w _ I ' I I J J J O UCl) sheet title: EROSION AND SEDIMENT CONTROL NARRATIVE scale: AS SHOWN date: 12/23/2021 sheet # 90F 11 @ 2022 - 30 SCALE, LLC m I,\\�\, � ,,, vw/,) III\�I _ —\II / \\ �/ 11 l I rr l r llr 1I11 /IIII III11�\ 1\\\ \\\\\\ \, I l i l z�a i\\ rr�,, I �, �� I I1111 fIlllllillllll POINT O\\\\ F PRE-DEV . ANALYSIS II / DA=2.33 AC. CN=66 > \�� / \\ 2� I \ "OFFSITE" CN=74 \ I SHALLOW I 1 \ \\ \\\\\\ IIIII CONCENTRATED FLOW \ 1 ELEV=472.0 J / SHEET. �\ \ \ \ L=100 FT °r° \\\ S=8.0 \\ \ ELEV=489.5 PRE -DEVELOPMENT DRAINAGE MAP SCALE: 1 "=50' �\\\\\ \\\ I I 1 278 I I �.�� I itIII r \Illllillllll \A POINT\\\\ [ANALYSIS 1( (I �I�����I�I / \ \ Al \ / / POST-DEV I \ \\ I F I I / DA=2.33 AC. CN=69 /,//,/ ,\ \\ \ _ \ , ° I I 1 I;II►II N27( \\\fir\J\\ SWM DETENTION �'�, / / /� V ��� � %�A\�i.�` CHANNEL FLOW L=642 FT S=6.a°ice r� — �j� 77 111 I — ✓/ 1 � I t "OFrSITE" AVA V I I I A=3.95 AC. \\� �\ \ %/ X ,: j! / — —�� \�\ 1 1 \i11 1 II / CN=74 \ y y / I 11111( 0.92-AC AREA CONVERTED \ \11 FROM FOREST/OPEN 11 11 SPACE TO MANAGED TURF \ 1 \ \ CONCENTRATED FLOW SHALLOW L=89 FT \ ELEV-- a72.0 J / SHEET FLOW i L=100 FT w- � ELEV=489.5 0 50 100 SCALE: 1 "=50' STORMWATER MANAGEMENT FLOOD PROTECTION NARRATIVE FLOOD PROTECTION IS MET BY COMPLIANCE WITH 9VAC25-870-66(C)2B. THE PEAK 10-YEAR, 24-HOUR (10% AEP) COMBINED DEVELOPED DISCHARGE RATE HAS BEEN REDUCED TO FOLLOWING THE CLEAN EARTH FILL OPERATIONS, RUNOFF FROM BE LESS THAN THE PRE -DEVELOPMENT THE FILL AREA WILL FLOW OVERLAND TO THE STORMWATER DISCHARGE RATE FOR THE ENTIRE ACRE DRAINAGE AREA TO ACYEAR, IMAGER MANAGMENT DETENTION POND. THE EXISTING RUNOFF FROM THE OWI THE POINT OF ANALYSIS. THE FOLLOWING PEAK RATES ARE TAKEN K STORM SEWER ON BITTERNUT LANE WILL CONTINUE TO FLOW VIA FROM THE HYDRAULIC AND HYDROLOGIC COMPUTATIONS BOOKLET. STORM SEWER PIPE TO RIP -RAP OUTLET PROTECTION BEFORE ENTERING THE WATER PROTECTION ORDINANCE BUFFER. Q10 PRE -DEVELOPED = 25.5 CFS Q10 POST DEVELOPED = 17.8 CFS CHANNEL PROTECTION WATER QUALITY COMPLIANCE NARRATIVE CHANNEL PROTECTION IS MET BY COMPLYING WITH 9VAC25-870-66(B)1b. THE PEAK 1-YEAR, 24-HOUR DEVELOPED WATER QUALITY WILL BE MET ENTIRELY BY THE PURCHASING OF DISCHARGE RATE IS LESS THAN THE MAXIMUM ALLOWABLE RUNOFF NUTRIENT CREDITS. A LETTER OF AVAILABILITY HAS BEEN RATE FOR CONCENTRATED DISCHARGE USING THE ENERGY PROVIDED ON SHEET 9 OF THE SITE PLAN FOR 0.20 LBS/YR OF BALANCE CRITERIA. REFER TO ENERGY BALANCE SUMMARY ON PHOSPHORUS REMOVAL. THIS SHEET AND HYDRAULIC AND HYDROLOGIC COMPUTATIONS BOOKLET FOR SUPPORTING CALCULATIONS. Q1 MAXIMUM ALLOWABLE RUNOFF = 1.36 CFS Q1 POST -DEVELOPED = 0.67 CFS OK POST -DEVELOPMENT DRAINAGE MAP SCALE: V=50' ENERGY BALANCE SUMMARY CALCULATIONS FOR 1-YEAR, 24-HOUR DESIGN STORM: Q(DEV) <= I.F. - (Q(PRE) * RV(PRE)) / RV(DEV) WHERE: I.F. = IMPROVEMENT FACTOR (0.8 FOR SITES > 1.0 AC) Q(PRE) 2.08 CFS RV(PRE) 4,510 CIF RV(DEV) 5,524 CIF Q(DEV) MAXIMUM ALLOWABLE 1.36 CFS Q(DEV) PROPOSED 0.67 CFS OK REVISIONS # DESCRIPTION DATE 1 COUNTY COMMENTS 02/09/2022 2 COUNTY COMMENTS 03/17/2022 DISCALE ENGINEERING owner: HABITAT FOR HUMANITY OF GREATER CHARLOTTESVILLE 967 2ND ST SE CHARLOTTESVILLE, VA 22903 engineer: 30 SCALE, LLC 871 JUSTIN DRIVE PALMYRA, VA 22963 p: 434.242.2866 e: mike@30scale.com web: www.30scale.com Q z z W Q Z Z) W U W F_ Q v z cc W W m Q0 0 Oz W ZQ z 1 a- 1 z aN 0 Q boo J W � zoo O Qom Z N � J �0 O J O LL o H 2 U W 1 ~ O_ U QD� W D Lu Q a O W Z a r n Q W v ! Lu J J 0 C.)co sheet title: STORMWATE MANAGEMEN PLAN scale: 1 "=50' date: 12/23/2021 sheet # 10 OF 11 SWM OPERATIONS AND MAINTENANCE CHECKLIST © 2022 - 30 SCALE, LLC M Virginia Slurmwater Management Handbook, C•hapier it Juk 21113 9-C.16.0. SWM DETENTION PONDS - O&M CHECKLIST Inspection Date Project Site Plan/Permit Number Location Date BMP Placed in Service Date of Last Inspection Inspector Owner/Owner's Representative As -Built Plans available: Y / N Pond characteristics and functions (check all that apply) ❑ Water quality treatment H Channel protection Q Ties into groundwater Hydraulic Configuration: X On-line facllity ❑ Off-line facility Type of Pre -Treatment Facility: X Sediment forebay (above ground) ❑ Vegetated buffer area ❑ Grass filter strip • Grass channel ❑ Other: Ideally, Stormwater Management (SWM) Detention Ponds should be inspected annually. SWM Ponds are prone to a high clogging risk at the low -flow orifice. Ideally, the orifice should be inspected at least twice a year after initial construction. The constantly changing water levels in SWM Ponds make it difficult to mow or manage vegetative growth. The bottom of SWM Ponds often become soggy, and water -loving tees such as willows may invade and will need to be managed. Periodic mowing of the stormwater buffer is only required along maintenance Fights -of -way and the embankment The remaining buffer may be managed as a meadow (mowing every other year) or forest. Frequent removal of sediment from the forebay (every 5-7 years, or when 500 1a of the forebaycapacity is filled is essential to maintain the function and performance R h' ) of the SWM Pond. Sediments excavated from SWM Ponds are usually not considered toxic or hazardous, so they can be safely disposed of either by land application of land filling. Z ? Z Element of Who Will BMP Potential Problem E ro m How to Fix Problem Address Comments m o, .N Problem CL a` C Adequate vegetation Su lenient as needed. Owner There is excessive Remove immediately. Owner or hash and debris professional Contributing There is evidence of Owner or Drainage Area erosino andlor bare t Stabilize Immediate) y' professional exposed soil There is excessive Owner or landscape waste acid Remove immediately. professional and clippings There is adequate Professional access to the pre- Establish adequate access and, perl treatment facility the locality There Is excessive Remove immediately.Owner or j Pre•Treatment trash and debris professional ! There is evidence of Immediately identify and erosion andlor correct the cause of the Owner or exposed soil erosion and stabilize the professional eroded or bare area. Dredge the sediment to Sediment deposits restore the design capacity; are 50°Io or more of sediment should be dredged Professional forebay capacity. From r a least every 5-7 years, and ad earlier, as needed. The sediment marker Adjust the sediment depth Pre -Treatment is not vertical. marker to a vertical Professional (continued) (continued) all nment Clear blockages of the riser There is evidence of or orifice(s) and make other clogging adjustments needed to meet Professional the approved design s ecifleations There is dead Revegetate, as needed Owner or vegetation professional The inlet provides a Stabilize immediately, as Owner or stable conveyance needed, and clear professional into the pond blockages. There is excessive Owner trash, debris, or Remove immediately professitoo nal sediment. There is evidence of erosioniundercuttiny Repair erosion damage and Owner or at or around the inlet restabiliza professional There is cracking, bulging, erosion or Repalrand restabllize Professional sloughing of the immediately. Inlet forebay dam. There is woody Remove within 2 weeks of growth on the forebay discovery. Professional dam. Animal burrows must be There is evidence of backf Iled and compacted. nuisance animals. Burrowing animals should be Professional humanely removed from the area. There is more than 1 Add fill material and compact Owner or inch of settlement.. the soil to the design grade Professional The inlet alignment is Correct immediately. Owner or Incorrect Professional Determine If existing plant Plant composition is materials are consistent with consistent with the the general Wet Pond design Professional approved plans criteria, and replace Inconsistent s ecies. Invasive species are Remove invasive species present, immediately and replace Professional vegetation as needed. Vegetation Trees planted in the Consider watering every 3 bufferand on wetland days for first month, and islands and then weekly during first year Owner or peninsulas need (April —October), depending professional watering during the on rainfall. first arowina season Mow (at least twice a year) Grass around the to a height of 4%9' high and Owner or facility is overgrown remove grass clippings. professional Virginia Stormwater Management Handbook, Chapter 9 July 201 Z Z z } } } Element of C• Who Will BMP potential Problem E y How to Fix Problem Address Comme,tr, m of Problem a y E a a` > C a Vegetation Vegetation is dead or reinforcement planting Remove and replace dead or Professional contined (continued) is needed. dying vegetation. There is excessive Remove immediately Owner or trash and/or debris. professional There is evidence of Repair and stabilize physical sparse vegetative damage, and reseed or plant Owner or cover, erosion or additional vegetation. professional Permanent Pool slumping side slopes. Animal burrows must be _ and Side Slopes There is evidence of backfilled and compacted. Owner or nuisance animals. Burrowing animals should be professional humanely removed frm area. There is significant Conduct a bathymetric study sediment o determine the impact to Professional accumulation, design volumes, and dredge if necessary - There is adequate Professional access to the riser for Establish adequate access and, perhaps maintenance. the locality Pieces of the user are deteriorating, Repair Immediately. Professional misaligned, broken or missing. Adjustable control valves are accessible Repair. as needed. Professional RiserrPdnciple and operational. Reverse -slope pipes spillway and Low -Flow and flashboard risers Repair, as needed. Professional Oriflce(s) are in good condition. Seepage into conduit Seal conduit Professional Clear blockages of the riser There is evidence of or onfice(s) and make other professional clogging adjustments needed to meet the approved design specs. There is excessive trash, debris, or other Remove immediately. Owner or obstructions in the professional trash rack. There is sparse veg Gover, settlement, Repair and restablize cracking, bulging, Immediately, especially after Professional misalignment, erosion major storms. Hills deeper than 2 inches or slow him . There are soft spots, Reinforce, fill and stabilize seepage, boggy areas immediately. Daml or sinkholes. Animal burrows must be Embankment and Abutments There is evidence of backfitled and compacted. nuisance animals. Burrowing animals should be humanely removed from the area. Removal of woody species There is woody near or on the embankment vegetation on the and maintenance access embankment areas should be done when discovered, but at least every 2 years. Removal of woody species There is woody near or on the emergency Owner or growth an the spillway should be done professional spillway, when discovered, but at east every 2 years. There is excessive Owner or fhrertlowlEmer cash, debris, or other Remove immediately, professional gency Spillway obstructions. There is evidence of Repair erosion damage and Owner or erosionibackcutfina reseed professional There are soft spots, Reinforce, fill and stabilize Owner or seepage or sink oles- immediately. professional Only one layer of Reinforce rip -rap or other stone armoring exists armoring materials. Professional above the native soil. The outlet provides a Stabilize immediately, as Owner or stable conveyance needed, and clear professional from the pond. blockages. There is woody Prune vegetation back to Owner or growth within 5 feel of leave a clear discharge area. Professional the outlet pipe barrel. There is excessive Owner or Outlet trash, debris, or other Remove immediately. professional obstructions. There are excessive sediment deposits at Remove sediment. Professional the outlet. Discharge is causing Repair, reinforce or replace undercutting, erosion np rap as needed, and Professional or displaced rlp-rap at restate ze. or around the outlet. Establish adequate access. Access to the facility Remove woody vegetation Professional or its components is and s that may black and, perhaps, adequate. access.ss. Ensure that the locally hardware can be opened and operated. Collapsed fences must be Fences are restored to an upright Inadequate position. Jagged edges and Professional damaged fences must be repaired or replaced. Water levels in one or Clear blockages of the riser more cells are or onfrce(s) and make other Overall abnormally high or adjustments needed to meet Professional law. the approved design specifications. Complaints from local Correct real problems. Owner or residents professional Eliminate stagnant pools and stock the basin with mosquito fish to provide natural mosquito & midge Mosquito proliferation control. Treat for mosquitoes Owner OF as needed. If spraying, then professional use mosquito larvicide. (e.g.. Bacillus thurendensis or Altoside formulations) only if absolutely necessary. Encroachment on the Inform involved property Owner or pond or easement by owners of BMPs status ; professional Overall buildings or other clearly mark the boundaries (and perbaps (continued) structures of the receiving pervious the locality) area, as needed Safety signage is not Provide sufficient, legible Owner or adequate- safety si na e_ professional AT�� PRO E TION 0 DIN NC,E U�FFR� \ \ \ \ �1 X 2 'W CL�1 RI \ \ \ �UTLE PR TECTI�N AT' �J / � ry.`. \ \ \ DEEP (22 C WIT FILT (2 FABf2 UNI�ERLAY�MEN \\ , •gb \\ \ \ ::::I::,� \ \ u \ P RMANE T SE \ NG \ ; \ j4-11 NO OP OFEMBA�KM N\-445.0 C ::.':J'l=:I:.'. X. AL NG \�\\\ \ .I::•I.'.r.' c'"1' `: :` .44 ` j3 f / .' 7/ ONN CT EX. AC EL PATH TO. 1 o C o \\\\\ \\ \ \ \ EXTEND CON RET 18" FROM FAC OF--,/::- \ \ \ �EI \ \ `�'I'.' I--'•'•�- ENDWALL V. I PLATE �.IA1 TA TRASH IIIIIIII IIII :: C?kG PER VD T4: II I I I I I I I III I I I II�.I.:.\. ::� S� SWM-D i I IIIIIIIII I I ICI: ` :� ` 3:7 IIII I I I I I I I:'• \ /. �`` G E II I�E�tWI I NTI I GI::. ,/ 10.0• p� III IIII I I I �`L: ` . �. i` : ``.`. : ;/ AcdEss` r RpAD � II I I I I I I I I I I I I �. � ::'I:I��'`I �:I:�.�/� �:-��� �/•�� �/ , ,� ' � I 2 I IIIIIIIIIIII \�X== V6 /Pi TEIlk T� I IIII I IIIII..•.: o:.:r::. / //o IIIIIIIIIIII III =��= to I I I I I I I I I I I I I I I I I o .�43.5♦ l / /' I' � 'L CL 11 I PI ITIIE 3 \ 8 4 �`•/i / / /' I CV I / / r % /I✓ /// cool POND GRADING DETAIL AND LANDSCAPE PLAN LEGEND SCALE: 1°=10' USE "GENERAL SLOPE" PERMANENT SEEDING MIX PER TABLE 3.32-D OF THE VESCHB (SEE SHEET 8) TO ESTABLISH TURF COVER 0 10 20 SCALE: 1 "=10' REVISIONS # DESCRIPTION DATE 1 COUNTY COMMENTS 02/09/2022 2 COUNTY COMMENTS 03/17/2022 DISCALE ENGINEERING owner: HABITAT FOR HUMANITY OF GREATER CHARLOTTESVILLE 967 2ND ST SE CHARLOTTESVILLE, VA 22903 engineer: 30 SCALE, LLC 871 JUSTIN DRIVE PALMYRA, VA 22963 p: 434.242.2866 e: mike@30scale.com web: www.30scale.com Z z W > r Z Z) W U w Cn W Z w W m 0 ❑ OZ W ZQ Z a- 1 Z aN Q Q 1CD❑ J W CD Z O O Q CD i- Z N 0_ JJ � a O 0 �o 2~ U W 1 ~ d U QLU C0 W C0 D w~ Q Q O w z �r ■ � w v, w J J J O U sheet title: LANDSCAPE PLAN, POND GRADING DETAIL AND MAINTENANCE scale: NONE date: 12/23/2021 sheet # 11OF11