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HomeMy WebLinkAboutWPO201500057 Permit 2018-07-16 Registration Statement General VPDES Permit for Discharges of Stormwater from Construction Activities (VAR10) (Please Type or Print All Information) 1. Construction Activity Operator: (General permit coverage will be issued to this operator. The Certification in Item#12 must be signed by the appropriate person associated with this operator) Name: AVINITY ESTATES, LLC Contact: ALAN TAYLOR Mailing Address: 455 SECOND STREET SE, SUITE 400 City: CHARLOTTESVILLE State: VA Zip: 22902 Phone: 434-245-4970 Email address(if available): alan@riverbenddev.com Indicate if DEQ may transmit general permit correspondence electronically: Yes 0 No❑ 2. Existing General Permit Registration Number(for renewals only): 3. Name and Location of the Construction Activity: Name: AVINITY ESTATES Address(if available): SCOTTSVILLE ROAD(ROUTE 20) City: CHARLOTTESVILLE State: VA Zip: 22902 County(if not located within a City): ALBEMARLE COUNTY Latitude(decimal degrees): 37.992967 Longitude(decimal degrees): -78.498312 Name and Location of all Off-site Support Activities to be covered under the general permit: Name: Address(if available): City• State: Zip: County(if not located within a City): Latitude(decimal degrees): Longitude(decimal degrees): 4. Status of the Construction Activity(check only one): Federal❑ State❑ Public❑ Private X❑ 5. Nature of the Construction Activity(e.g.,commercial,industrial, residential,agricultural,oil and gas,etc.): RESIDENTIAL 6. Name of the Receiving Water(s)and Hydrologic Unit Code(HUC): Name: RIVANNA RIVER-MOORES CREEK Name: HUC. JR15(020802040402) HUC: 7. If the discharge is through a Municipal Separate Storm Sewer System(MS4),the name of the MS4 operator: 8. Estimated Project Start and Completion Date: Start Date(mm/dd/yyyy): 09/01/2015 Completion Date(mm/dd/yyyy): 09/01/2019 9. Total Land Area of Development(to the nearest one-hundredth acre): 13.453 AC Estimated Area to be Disturbed(to the nearest one-hundredth acre): 11.85 AC 10. Is the area to be disturbed part of a larger common plan of development or sale? Yes❑ No X❑ 11. A stormwater pollution prevention plan (SWPPP) must be prepared in accordance with the requirements of the General VPDES Permit for Discharges of Stormwater from Construction Activities prior to submitting this Registration Statement. By signing this Registration Statement the operator is certifying that the SWPPP has been prepared. 12. Certification: "I certify under penalty of law that I have read and understand this Registration Statement and that this document and all attachments were prepared in accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted is to the best of my knowledge and belief true, accurate, and complete. I am aware that there are significant penalties for submitting false information including the possibility of fine and imprisonment for knowing violations." Printed Name: ALAN TAYLOR Title: PRESIDENT Signature: 0-12"---?/7-4.--- Date. 7/16/2018 (Please sign in INK. This Certification must be signed by the appropriate person associated with the operator identified in Item#1.) 01/2014 Page 1 of 1 Instructions for Completing the Registration Statement General VPDES Permit for Discharges of Stormwater from Construction Activities (VAR10) GENERAL stormwater pollution prevention plan or comply with other permit conditions). A.Coverage Under this General Permit. The entities that are considered operators will commonly consist of the Any operator applying for coverage under this general permit who is owner or developer of a project(the party with control of project plans required to submit a Registration Statement (see Section B below) and specifications)or the general contractor(the party with day to day must submit a complete Registration Statement to the Department. operational control of the activities at the project site which are The Registration Statement serves as a Notice of Intent for coverage necessary to ensure compliance with the general permit). under the General VPDES Permit for Discharges of Stormwater from Construction Activities(VAR10). Provide the legal name(do not use a colloquial name),contact,mailing address, telephone number, and email address (if available) of the B.Single-family Residences. construction activity operator;general permit coverage will be issued to this operator Indicate if the Department may transmit general permit Operators with an existing stormwater discharge or proposing a new correspondence electronically. stormwater discharge associated with the construction of a single- family residence separately built, disturbing less than one acre and Item 2:Existing General Permit Registration Number. part of a larger common plan of development or sale is not required to submit a Registration Statement, provided that the stormwater For reapplications only,provide the existing general permit registration management plan for the larger common plan of development provides number for the construction activity This item does not need to be permanent control measures (i.e., stormwater management facilities) completed for new construction activities applying for general permit encompassing the single family residence. coverage. Operators of these types of discharges are authorized to discharge Item 3: Name and Location of the Construction Activity under this general permit immediately upon the general permit's Information. effective date of July 1,2014. Provide the official name,street address(if available),city or county(if C.To Apply for Permit Coverage, not located within a City)of the construction activity Also, provide the latitude and longitude in decimal degrees of the approximate center of 1. New Construction Activities. Any operator proposing a new the construction activity(e.g.,N 37.5000,W 77.5000). stormwater discharge from construction activities shall submit a complete Registration Statement to the Department prior to the Name and Location of Off-site Support Activity Information. commencement of land disturbance, unless exempted by Section B above. Any operator proposing a new stormwater discharge from This general permit also authorizes stormwater discharges from construction activities in response to a public emergency where the support activities (e.g., concrete or asphalt batch plants, equipment related work requires immediate authorization to avoid imminent staging yards, material storage areas, excavated material disposal endangerment to human health or the environment is immediately areas, borrow areas) located on-site or off-site provided that (i) the authorized to discharge under this general permit and must submit a support activity is directly related to a construction activity that is complete Registration Statement to the Department no later than 30 required to have general permit coverage;(ii)the support activity is not days after commencing land disturbance; documentation to a commercial operation, nor does it serve multiple unrelated substantiate the occurrence of the public emergency must construction activities by different operators; (iii) the support activity accompany the Registration Statement. does not operate beyond the completion of the construction activity it supports; (iv) the support activity is identified in the registration 2. Existing Construction Activities. Any operator that was statement at the time of general permit coverage; (v) appropriate authorized to discharge under the general permit issued in 2009, control measures are identified in a SWPPP and implemented to and who intends to continue coverage under this general permit, address the discharges from the support activity areas; and (vi) all shall submit a complete Registration Statement to the Department applicable state, federal, and local approvals are obtained for the on or before June 1,2014,unless exempted by Section B above. support activity D.Where to Submit Registration Statements. Provide the official name,street address(if available), City and County (if not located within a City) of all off-site support activities to be All Registration Statements should be submitted to: covered under this general permit. Also, provide the latitude and longitude in decimal degrees of the approximate center of the off-site Department of Environmental Quality support activities (e.g., N 37.5000, W 77.5000). Also, if an off-site Office of Stormwater Management,10th Floor support activity is going to be covered under this general permit the P.O.Box 1105 total land area of the off-site support activity and the estimated area to Richmond,VA 23218 be disturbed by the off-site support activity need to be included in Item #9. LINE-BY-LINE INSTRUCTIONS Item 4:Status of the Construction Activity. Item 1.Construction Activity Operator Information. Indicate the appropriate status (Federal, State, Public, or Private) of "Operator" means the owner or operator of any facility or activity the construction activity subject to the Stormwater Management Act and regulations. In the context of stormwater associated with a large or small construction Item 5:Nature of the Construction Activity. activity, operator means any person associated with a construction project that meets either of the following two criteria:(i)the person has Provide a brief description of the construction activity, such as direct operational control over construction plans and specifications, commercial,residential,agricultural,oil and gas,etc.This list is not all including the ability to make modifications to those plans and inclusive. specifications or(ii) the person has day-to-day operational control of those activities at a project that are necessary to ensure compliance Item 6:Receiving Waters(s)and HUC Information. with a stormwater pollution prevention plan for the site or other state permit or VSMP authority permit conditions(i.e.,they are authorized to Provide the name of the receiving water(s)and corresponding HUC for direct workers at a site to carry out activities required by the all stormwater discharges including any stormwater discharges from off-site support activities to be covered under this general permit. 01/2014 Page 1 of 2 Hydrologic Unit Code or HUC is a watershed unit established in the gather complete and accurate information for permit application most recent version of Virginia's 6t'order national watershed boundary requirements; and where authority to sign documents has been dataset. assigned or delegated to the manager in accordance with corporate procedures. Item 7:MS4 Information. b. For a partnership or sole proprietorship: by a general partner or If stormwater is discharged through a municipal separate storm sewer the proprietor,respectively system(MS4),provide the name of the MS4 operator The name of the MS4 operator is generally the Town, City, County, Institute or Federal c. For a municipality,state,federal, or other public agency by either facility where the construction activity is located. a principal executive officer or ranking elected official. For purposes of this part,a principal executive officer of a public agency includes: Item 8: Construction Activity Start and Completion Date Information. (i)The chief executive officer of the agency,or Provide the estimated start date (month/day/year)of the construction (ii)A senior executive officer having responsibility for the overall activity Provide the estimated completion date (month/day/year) of operations of a principal geographic unit of the agency. the construction activity. Item 9:Construction Activity Area Information. Provide the total area (to the nearest one-hundredth acre) of the development (i.e.., the total acreage of the larger common plan of development or sale). Include the total acreage of any off-site support activity to be covered under this general permit. Provide the estimated area (to the,nearest one-hundredth acre)to be disturbed by the construction activity Include the estimated area of land disturbance that will occur at any off-site support activity to be covered under this general permit. Item 10:Common Plan of Development or Sale Information. Indicate if the area to be disturbed by the construction activity is part of a larger common plan of development or sale. Larger common plan of development or sale is defined as a contiguous area where separate and distinct construction may be taking place at different times on different schedules. Plan is broadly defined as any announcement or documentation, including a sign, public notice or hearing, sales pitch, advertisement, drawing, permit application, zoning request, etc., or physical demarcation such as boundary signs, lot stakes, or surveyor markings indicating that construction activities may occur Item 11:Stormwater Pollution Prevention Plan(SWPPP). A Stormwater Pollution Prevention Plan(SWPPP)must be prepared in accordance with the requirements of the General VPDES Permit for Discharges of Stormwater from Construction Activities(VAR10)prior to submitting this Registration Statement. By signing this Registration Statement the operator is certifying that the SWPPP has been prepared. Item 12:Certification. A properly authorized individual associated with the operator identified in Item 1 of the Registration Statement is responsible for certifying and signing the Registration Statement. Please sign the Registration Statement in INK. State statutes provide for severe penalties for submitting false information on the Registration Statement. State regulations require that the Registration Statement be signed as follows: a. For a corporation: by a responsible corporate officer For the purpose of this part,a responsible corporate officer means: (i) A president, secretary, treasurer, or vice-president of the corporation in charge of a principal business function,or any other person who performs similar policy-making or decision-making functions for the corporation,or (ii) the manager of one or more manufacturing, production, or operating facilities, provided the manager is authorized to make management decisions that govern the operation of the regulated facility including having the explicit or implicit duty of making major capital investment recommendations, and initiating and directing other comprehensive measures to assure long-term compliance with environmental laws and regulations; the manager can ensure that the necessary systems are established or actions taken to 01/2014 Page 2 of 2 GENERAL NOTES OWNERS: 455CHA SECOND STREET SE,57H FLOOR AV I N I TY E TAT E S _ V 33 ° .TH �F°f� CHARLOTTESVILLE, VA 22902 , y SCOTT R COLLINSZ DEVELOPER/ RIVERBEND DEVELOPMENT INC. t Atr C455HA SECOND STREET SE,SUITE 400 a �. / U� No. 35791 � 200RGATIE TT LES2 I/A 22902 �/p 0 PLAN AMENDMENT ENGINEER: GOWNS ENGINEERING 200 NS EN I ST,SUITE K ` 87011AL ` CHARLOTTESVILLE, VA 22902 caweu a TAX MAP NO. 09700-GO-00-016C0 09100-00-00-016E0 MOMMO"m' ZONE PRO ZONE PRO Le.fe IMAM D8 4319 PG 247 D8 4571 PG 88 r..... 09100-00-00-01640 09100-00-00-01400 .7: .- ZONE PRD ZONE PRO mE 3h' 'N SCOTTSVILLE DISTRICT 08 4571 PG 88 DB 3472 PG 015 TOTAL PROJECT AREA: AN F-TATFS 0910 00-0-00-00-016E0 - 2472 AC. 09100-00-00-016E0 - 4.432 AC. jj41GIT-GG-rKl-D76AG - A0 11.886 .AC TOTAL ALBEMARLE COUNTY VI RG I N IA VICINITY MAP ZONING: PRD-PLANNED RESIDENTIAL DEVELOPMENT-ZNA 2073-016 SCALE: 1" = 30001 E TOPOGRAPHY: SURVEY&TOPOGRAPHY PROVIDED BY ROUDABUSH GALE&ASSOCIATES,DATED p '' 8 AUGUST,2013. TOPO FIELD VERIFIED IN JUNE 2017 C S � DATUM: NAD 83 � r2 _¢ s FLOODPLAIN: THERE IS NO FLOODPLAIN LOCATED ON THIS SITE FEMA MAP ID V/ E > > uJ 51003C04070&51003C0426D DATED FEBRUARY 4,2005 I �J z0 V' u S STORMWATER MGMT.• STORMWATER FOR AWNITY ESTATES 14711 BE HANDLED BY A PROPOSED / `�_,y L w tgg $ STORMWATER MANAGEMENT FACILITY JUST UPLAND OF THE EXISTING SWM POND. - -- _ _�1 O = W ADDITIONAL AWN/TY ESTATES STORMWATER WILL BE TREATED BY A SECOND SWM ' FACILITY AT TIE SOUTH OF DIE SITE SI M SHALL MEET ALL STATE REGULATIONS \ ,~/w� "' REQUIRED W7F1 THE DEVELOPMENT. Y/ FIRE&RESCUE AS REQUIRED,ALL FIRE FLOWS WITHIN THE DEVELOPMENT SHALL BE A MINIMUM OF j' `~` re E 1000 GPM AT 20 PSI. ADDITIONALLY,FIRE HYDRANTS SHALL BE PROVIDED ALONG > E THE STREETS FOR FIRE FIRE PREVENTION AT A MAXIMUM SPACING OF 500 FT PER l W TRAVELWAY- !-I IW PROPOSED USES SINGLE-FAMILY ATTACHED UNITS&TOWNHOUSE UNITS -•_, (7-i'1• ?,' --- General construction notes for Stormwater Management plans SINGLE FAMILY ATTACHED UNITS 51 TOTAL UNITS(AV/N/TY ESTATES) ^••• ,;, • TOWNHOUSE UNITS:57 TOTAL UNITS(AMITY ESTATES) ",4".'".,y-S„•44` ` y,?t' 1.All dams and constructed fill to be within 95%of maximum dry density ^ -r`'• ,y..•'' and 2%of optimum moisture content.All fill material to be approved bya DENSITY TOTAL NUMBER OF UNITS PROPOSED: 102 UNITS I ��_'-.-=""~�"`'��� 2' =�`�";"�,•'' �,�Tt,/;',':,-,`,-� _ �- P PP PROPOSED DENSITY: B58 UNITS/ACRE ,+,r �" ..•, .�' geotechnical engineer A geotechnical engineer is to be present during MAXIMUM ALLOWABLE UNITS WIDEN ANNITY ESTATES 102 UNITS ,„r-"" "r ' I' ---..- construction of dams. MINIMUM ALLOWABLE UNITS WITHIN AMITY ESTATES 60 UNITS -,].._ . �T 11 s? •: _ ,-.�_ ,„„y 1 I N, r x5 -»• . -�'r,'.';'''',; 2.Pipe and riser joints are to be watertight within stormwater SITE AMENITIES: CLUBHOUSE/PAVILION AREA (7,Jf4 SIT 1,000 SF MIN) '`'-iT a� ..�'/,_ „ °,;, "�-, ` ` -`; r - , managementfacilities. TOT LOT 1 ,.;: • _ .. f, "n i '0' R R WOO SF MIN) . w :) C ... ,i .. y:,'.a;��:: i .,,�1:, I:ro;,.• ,>: _,�:,,: "p ,zwf ;,��_ g.Fortemporarysedimenttrapsorbasinswhicharetobemnvertedto e, DOG PARK (10,000 sr MIN) .T_, !I •::.`J'i r•....,+'+'' ;`s': .F" 't_:: ___` o PASSIVE RECREATION AREA (6,000 SF MIN) i" ermanent stormwater mana ement facilities;conversion is not to take •., ,., ACTIVE RECREATION AREA (13,622 SF; 11,500 SF MIN) -�:•+1 • ,`.;;� :'r �� y,p. ��x.., _ � :;ice place until the site is stabilized,and r. • •r:;4 RIGHT-OF-WAY.: 227 ACRES MIX -,I .1...#'.' `4 t^ �_; ` /� permission has been obtained from the County erosion control inspector. OPEN SPACE 232 AC OPEN SPACE(AVWITY I PLATTED) -, 360 AC OPIN SPACE(AMITY ESTATES) - -+++- /• •` •.�, 5.92/21.13 AC TOTAL AMITY I&ESTATES=2BOx ?ZT. y,qr. .\a -y _ T LOTS 6.01 ACRES I "'': %° : '.:;!_?'`";r•= ��.: *p";', ■ �'��j�- WPO PLAN SHEET LIST COr•:.' T SETBACKS FRONT-6'MIN WITH VARIATION SUBMITTED TO THE COUNTY)MIN. 18'FROM ' .;3_-` ' +n� = ..i Y ( _ --'-` - Sheet Number Sheet Title ZC FRONT GARAGE TO BACK OF SIDEWALK /SIDE- 5'MIN III 9 ! -/fIF r l ,,��I �IH ,J ! ( I / /, 1 COVER SHEET CV REAR- 10'MIN INTERIOR,20'MIN WHERE LOTS ARE ADJACENT 70 THE PROJECT - Ii�:><t IN� T• 1 fa■ - •� I �'J / BOUNDARY CLUBNOUSE/PAVIUON-8'MIN FRONT,5'MIN SIDE 70 MIN REAR @� �5�pup El��!e I ""'•� J I / �' 2 EXISTING CONDITIONS d' W ,/,4�� r � M� _ rI`0' �.i t''% 8 � I ,✓ f I 1 (/�/ 3 GRADING PLAN CO SETBACKS SHALL INCLUDE A 4'FRONT AND REAR ENCROACHMENT OF ALL ��. mkCaT •"' I I / i `7 "l �/ SETBACKS W1TI1 PORCHES,EAVES AND OTHER ARCHITECTURAL ELEMENTS OF THE Id 3 main , ,q �',� i ! f I / 4 GRADING PLAN i®B�®�HOMES SETBACKS SHALL ALSO ALLOW UP TO A 1'SIDE YARD ENCROACHMENT ��i> ,'I �� '• I �``) T-+ I FOR ARCHITECTURAL ELEMENTS AND OVERHANDS PROVIDED THAT THE j M�11.�a.-;. �p Imo .• �, 5 • STORM WATER MANAGEMENT PLAN ENCROACHMENTS ARE FIRE RATED PER BUILDING DEPARTMENT REQUIREMENTS �� '! 1 "'--- »._-`-_- / MIEN BUILDING SEPARATION IS REDUCED FROM 10: SETBACKS WERE APPROVED • " I �� / 6 STORMWATER MANAGEMENT DETAILS O z KITH IKE BUILDING MODIFICATION WAIVER REQUEST WITH ZMA 2013-016. -=magiaa s,l�,�,_ �j'�`�"'�#,_S{q■ 1 j �// 7 EROSION&SEDIMENT CONTROL NARRATIVE&DETAILS N W ,`7 E BUILDING HEIGHT 35'MAXIMUM HEIGHT Ore. ,.II!i L .'if mum. Al. *1 T / /, 8 EROSION&SEDIMENT CONTROL PLAN PHASE I CV c a i PARK/NC: EACH PROPOSED LOT SHALL PROWOE OFF-STREET PARKING FOR 7W0 VEHICLES IN N .ty '�H� `Jelling I �',/ 9 EROSION&SEDIMENT CONTROL PLAN PHASE II Q GQ o w A MINIMUM 18'DEEP DRIVEWAY AND A GARAGE ADDITIONALLY,ROADWAYS SHALL R A.�� r - ACCOMMODATE OVERFLOW PARKING ON-STREET WITH ON-STREET PARKING� �81, - ' IillMeg !,,■ I / 10 EROSION&SEDIMENT CONTROL CALCULATIONS z U BUMPOUTS(30). 1�; �■ /—�• �. J \ �/ / TOTAL tO PAGES Z > w 3 TOTAL NUMBER OF UNITS: 102 UNITS `.; �d'■�$ -�,7pI I-�j j /\t / /�/ , J TOTAL NUMBER OF OFF-STREET PARKING SPACES PROVIDED: j����.i jjjj ����..eezM I�Y�I' ( 1 J /// J_ Iiii2 102 UNITS X 2 SPACES PER UNIT a 204 OFF-STREET PARKING SPACES ■^!� >•�'ns1■ IFj7 � f j/ / \ Q TOTAL NUMBER OF ON-STREET PARKING SPACES /Ip IM s'[sj�"` 1 / _ (I)SPACE PER(4)UNITS REWIRED:26 ON-STREET SPACES REQUIRED ���i,•+,I qua.. ,ii,f �� ! / (n z I-. TOTAL NUMBER OF ON-STREET PARKING SPACES PROVIDED:30 BUMPOUT SPACES Ifi�. W P AN ADDITIONAL(10)PARKING SPACES HAVE BEEN PROVIDED AT DIE CLUBHOUSE 1 A ,;!_I ',a,/ L9 LIE W 4,...i �� A. W t PHASING: THE PROJECT MAY BE COMPLETED WITH A MAXIMUM OF 4 PHASES AS SHOWN ON 'Mil ,/'‘ - p / '+' i O THE ROAD PLANS(IN CONJUNCTION WITH BLOCK PHASING) „'; EMI --.� ,t L , �>� ,• 'i = a RrI. srur�Ea�lt>� / [ ° c a II r' ,.1 TB;� I„ IN■_8,ai "i ' r r r .J • STREETS BURG&GUTTER PRIVATE STREETS. THE ACCESS ROADWAY SHALL BE MAINTAINED r -ram on -t, q,. r. IIi. //( ■ �� � �� r j' ,,/ / W v'r BY THE HOA. l o .. < ffi� Ilt- I ■ �■ Cfi� \ rri/j Q -. • UTILITIES SITE SHALL BE SERVED BY PUBLIC WATER AND SEWER \ '4' is 1 Ai• ,� r r� ,,,,,y . 1 ,•'' = t CONSTRUCTION TRAFFIC. ALL CONSTRUCTION TRAFFIC FOR THE DEVELOPMENT OF AMITY ESTATES SHALL I�� e _ +-E.F -= ___ _ - ir\ j/' '•! () 0 'FENTER THE SITE FROM THE EXISTING DRIVEWAY AT ROUTE 20. _ _.m.i" ..�. ' :p ":�`• `;^.".`?" !I' w O 1-2 DENSITY.: AWNlTY I: 107 UNITS/9.243 AC=11.58 UNITS/AC �'.',. i -,,I . .mai16.611 ■ // // Y r E n AMITY ESTATES: 107 UNl)S/1I.886 AC 8.58 UNITS/AC I .-�� ��� 1 I I ' -' I r,r r r/ a LANDSCAPING: ALL PROPOSED ROADWAYS SHALL HAVE STREET TREES IN ACCORDANCE WITH \�J I L l'/rr 1 / i�• W o ALBEMARLE COUNTY REQUIREMENTS ALL TREES SHALL BE LOCATED OUTSIDE OF L^ I . :'.-I-.0�: •I.t�-r I. +� -J;-i.- «,, , . _ -- r I 2 DIE ROW WMTNIN A 6'N/DE LANDSCAPING AND MAINTENANCE EASEMENT AND ALL -, I ' - - �' - I:' STREET TREES SHALL BE MAINTAINED BY THE HOA. \'R LIGHTING` NO OUTDOOR STREET UGHRNC IS PROPOSED AT THIS TIME ENE FINAL SITE PLAN ( / - •' �'` T `'-, . r/ Avinity II Range of Residential Uses E t SHALL INCLUDE AN OVERALL OUTDOOR UGHRNC PLAN FOR 7I£PROJECT. `/' ^" I W '^o t,:I , , 1 ,•''i Rezoning Allowable Uses Proposed Uses I- �� TRAFFIC GENERAI7 N: TRIP GENERATION BASED ON ITE TRIP GENERATION MANUAL(8TIH EDITION) O I I W Z a Single Family Proposed Proposed Single W 51 SINGLE FAMILY UNITS(CODE 210) } I /I i, Townhome r--1 c 488 VPD(244 ENTER/244 EXIT) I I ' Black Attached/Detached Townhouse Family £ (min-max) AM PEAK.- 38 VPH(10 ENTER/28 EXIT) 3 1 O / i (min-max) - Units Attached/Detache I- P PM PEAK.: 52 VPH(32 ENTER/20 EXIT) / / -" .. / I I A 0.20 69 12 5 0 2 51 TONNHOM£UNITS(CODE 230) I 1 r 1 B 0-30 0-15 15 8 V 296 VPD(148 ENTER/148 EXIT) I I C 0.30 0.15 _ 14 13 AM PEAK: 22 VPH(4 ENTER/18 EXIT) 1 / , D 434 12-32 10 25 Ili --' PM PEAK: 27 VPH(I8 ENTER/9 EXIT) - u TRASH: ALL UNITS SHALL HAVE AN INDIVIDUAL TRASH CONTAINER AND THE HOA SHALL SHEET LAYOUT I TOTAL 0.122 12-71 51 51 0 E TOTAL UNITS: 102 Q = PROVIDE TRASH COLLECTION SERVICES. SCALE: 1" = 100E 0 c• RESERVOIR WATERSHED: MOORE'S CREEK WATERSHED O .^•-5NOTES: 1)Within Avinity I,a 24 unit condo building is proposed to be eliminated and in OI Ed AGRICULTURAL-FORESTAL:NONE Its place,a maximum of(8)townhouse units are proposed. PLACES OF BURIAL: NONE 1) THIS PROPERTY DOES NOT LIE WITHIN AN AGRICULTURAL AND/OR FORESTAL DISTRICT. N _ 2)The overall density(number of units)for Avinity I shall decease from 124 RETAINING WAIL: ALL WALLS AS SHOWN ON THIS PLAN SHEET AND TIE GRADING PLAN SHEET 2) THIS PROJECT IS NOT LOCATED WITHIN FLOODPLAIN LIMITS,BASED ON FEMA MAP NUMBER 51003C04070& units to 106-108 units with the approval of this rezoning.The original proposed a ti c SHALL NOT EXCEED 6'IN HEIGHT. 51003C0426D ADOPTED FEBRUARY 4,2005. condominium building shall be replaced with(6)-(8)townhouse units. o Y AFFORDABLE UNITS CASH IN LIEU OF AFFORDABLE UNITS MI BE PROVIDED(15X): 0.15 X 102 UNITS a 3)EACH LOT AS SHOWN HEREON CONTAINS A BUILDING SITE WHICH MEETS DIE REQUIREMENTS OF SECTION 3)The proposed minimum number of units withinAvinity II shall be 60 units �I.I I JOB NO.092033 t, CASH FOR 16 UNITS REWIRED 4.2.2(b)1(18-520) with a maximum number of 102 units.The density shall range between 5 c`s DU/AC and 10 DU/AC. SCALE 4)ALL PROPOSED EASEMENTS SHALL BE DEDICATED TO PUBLIC USE •._� +I AS NOTED o 5)STREET TREES SHALL BE PROVIDED ALONG ALL THE PUBLIC STREETS 40'O.C.IN ACCORDANCE WITH VDOT v SHEET NO. AND ALBEMARLE COUNTY STANDARDS. I I €c ---'-:11----..___-----Z' . . •"•-• ..--'' , „ . _.. • • . , --- _--- „ _T.--. Loz.,./ -'1/4 ,.11.1%PEI`/r.. „ ' " ...." EXISTING SANITARY SEWER I I i, 1 i \\ \ --_... -..._ ,...--- . .-- -- ..- ' .„ / / ABANDONED IN PLACE' ' •,, / ,. ---- -.._ -- „,-".- ..,/ v _. ,„ .,„••• /- -' ---, EXISTING VVATERLINE, - ' - ' i'•'" 1/4°11 1‘11‘ --; 711 -.11,..1.-"--',,(-1 :ken ..,/z.,...„,.z.• ,' ABANDONED IN PLACE ' I / ' ..,j''''f...„...' • '' ' H i Wz I' ,'I 17,1/.... 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', 1 ' \ 1 I i I 1 I r , rs, ,..., , PRIOR TO THE DEMOLITION OF THE MAIN , / / / , . / , ,,. , -• \ 1 I \ ' I ' 1'1 '1`'=;'''' (......____,,,„/„• ,4617E4 4,11..,8F.\,.. ;//,/, /,,,//4‘/ ,,'/ v; i „ ; , /' // / I HOUSE AND ITS ASSOCIATED STRUCTURES, , / / --•I''''I• \ . \ \ 1 , I \ \ / /, t L.,......_ ,- / r-z. I,/,„.- - ..._ i • ',7,• , , , , , z 2 i THE DEVELOPER SHALL DOCUMENT THE / , / / • .,..---- s \ % I 'i I 1 • ....._-/- ------ ...-,./ \ ••• , ---V., ,/,•,, )•-•,..:,, ,/ , , , .,.;-,../, . I 1, \ . , i • • } f• ,,, 1 1 I 1 i i 1 1 , -X----, ,.. --',.,7-' • /' /17 .• .` , i'i/ //9- i 1 , , / , , I / / / •• W I STRUCTURES WITH LABELED PHbTOGRAPHS. / / , I , ‘ \ ; \ ) , ) 1 I ,/ • , ' • (, 1 ,, , ,-. „/ , A C) (nu I -I- • •// / -., , ; / ' , ‘ i , , • i ........ ,,,,,„ // .. ' i , DOCUMENTATION SHALL INCLUDE / / / , ,/ / ''-,..4 _ --, _ I i \ , \ , I , I , , , PHOTOGRAPHS SHOWING ALL SIDES OR ACH ,/ .. . , , ?; - --. • 4 ., , STRUCTURE,CONTEXT OF THE SITE,A SKETCH / • ; •, 1, , 1— I S615753't 435.00. / / j J / ' / ) >S671:100.272 419.91' / ._,• ,,.,:,••_•••.. "••,,,,,....--sv",-• -•-• , • :°.? ' 1 , / < x 7 SM7'53.:‘ • 1 -*".- ' '' ' '••••* N / • / / '.,• ...././ ,/..,/,/."--Z,,,-1(1,1d..7,---7- 1.-7, / ,./ T./'-',2/..-..1,/' ' ,iii)) ,' ggTINGC01,4/MERCV\L ENTRANCE: i i , i 1- / FLOOI3PLAN AND,A SKETCH PLAN OETHE_GITE-1/' r , • i I \ 1 , in . F- W °z IDENTFYING THE PHOTO LOCATIONS SHOWN /71,0'/ i 1 \ . °s,• .'' 't ; , \ • 1 4 1 •... , „641E 7— 41.. / ' • , ' / ,‘ i ..--• ,•-•r •• /TO KAFIEWSIGMA PROPERTY • . I I , I t ,•/ AS PROVIDED.THIS DOCUMENTATION SHALL / / ' 0 ,, i • ,.•_4-44,i2-:-.---i,''''•-I-'' ---• 1 , I I I i / I- v) 2 f,„ , ,,,____-•r...F,--t-',"- i • ' ' , / ; , ,,/ /// i ' • • HI 1/4 1D ' )' `,/\`''' S' ' 1' ' '/ /' , / . I / E= BE SUBMITTED TO AUSEMAISLE COUNTY , ' c,. I I PER7 B UNDAR ..., \ ,,,, ,.;i • ,, • 7 1 •,,, ,,,,„.„. 1., / , I, ,,,,, ///-1 , , , , , , , m LLJ / / ,z„, , ‘ .,?5-, i , EMSTING OVERHEAD , I I" 7 / ' ' !.iy I i , \ , 0, 1 , , i ‘,..? I . . \ \ 0. \ \ \ \ \ \ \Eitsnr4G°VERN l./,,:.,..,::i :.,,,:,I. /, 1 i,, / , COMMUNI1YDEVELOPMNT PRIOR TO THE" I t , (' I ) i ,./ \ ' \ ss \ \ , PE/WERLINGTO BE I / r i ; ; t \ \, ", \ \ • , I I ; i ' . • I I 1 , • , , , ' REQUEST FOR A DEMOLITION PERMIT FOR ANY I / ' \ ' k 1 I REROUTED I 1 I : I I I. \ , 0 L Z OF THE STRUCTURES. / 1„/ ' / -, i • i '"- "-i/'' \ . , . . . e / .7,•/ / , g' ' .p • •-•‘ . s. I ‘ ' ''' • - i I 1 ' , • \ \ \ . .".0 • \ \ • „. 1,, ,4,,,,„...H. ,,, ,, ,,• • •'‘. I i, , i . I . , , , \ • ‘ 1 v ,•1 4, /, " , I 1 I r .... , LU 1-4 a -,, -:::-::'\\\'' ••\,\".-, // i • °•, . I 1 :,-',. / i Witt / I • r,L4 / „/ -, , rr . at ,.• 4•4:' --. - • ,/ ,„.. , \ EXISTINu,BUILDING 1 I TO BE DEMOLISHED -, ',,3,, \ " ,...,,ITYP) \ I • 4.- \ i ' I '',1. • \ \ , ' Lz's, • \ . EAD • POWERLLINE.F.,ES MT y ,._,,, ,, , ,, s\ s s , .,\ \ • ' , \ . ' \ ‘ 1 \ -,, \ '•:r''','.i '. /I I''' , , , \ , \ , . 1 I I I i I • •! I ! ; • 1 g I. f i LU .-1 I 1= > -- cf) u 15- z:g r....t, „ % , , \ \ ' k , \ I ; • c.- •,•'- ' •Tr/• I li//I, r i ! I I r V.s. .3.' • -4,".-.Y • / \ , , ; 1 1 . ; 1 I I . • • ' \ ' • • i ,,,•!.'.''7' i I, GRAPHIC SCALE I I • \\ / • i 1 " ' 1 \ ! ' " • , ‘ ' I , I ' ' ;/1-,•,/,,44:4'. : 1 , / , I ' . i 'F•. -, I ' i'''• , ', ., I I i 1 • ,...,,, A 50 1 • 0 25 1 SO 1 I EN; 1111 / c',,_ ./ / tr_g! I I '1 ' 1„ 'I ‘, \ ' ; ' I , I " ' i '; // ;/ / // • ; / 1,,q,"..-4 r r :; •, 1 i ' 1 , ; • ; / . , (IN FE ) / < 9-• , / I V?N•„.1 I N/F AMITY ESTATES,liC' 1 '. 1 ' 1 I / ' 1 ;1' / / r„4-.1,. / • I i • \ ., 1 i '2'.74 ,/ / c.; / , / , ./ .... !fr- 1 , •-, (I i I ,U, . CZ) ' ‘ •, r, I • i 1 i 1 f \ .„// • i ' ( r , i I lit • / , ; // .'' ) NOTES: N .., \„.-" I I., ‘ \ ( • .„ , 1 ( i ; i , (, ), , „s. .., / `'. . • , 1 ) , ) , r .r.-.. s \ \ \ • ) . • \ \ , .1 r / ; /Tr • 1. THIS PROJECT IS NOT LOCATED WITHIN FLOODPLAIN LIMITS,BASED ON FEMA MAP i „ „ 6 N, ]---- ... / i „ ' %,..., NUMBER 51003C0407D&51003C0426D ADOPTED FEBRUARY 4,2005. ;\ k•; ' , . - - -- --- - V p e 0 ,,, „z c....1.,..„-..,:„,„0'02'6:W08(5V 00(:)Zpo',0 0 e>e„86 gao. 0. .• ,z:„... ,,,,,•,..„.-,„,„_,A, ..,,,,,\-.--l'c10P ,, , 2. TOPOGRAPHY&BOUNDARY INFoRMATION PROVIDED BY ROUDABUSH GALE& , , ,,,,, / \\ ,,, 1 oc.,„ i i 25'ROW_._-.------------''-'-7-'''—'7;,. , ••• --7-•. "1.''''1.'"'..7' „" ' - ' •--., :','.. •.". ...:t.,„,-,--.&!.r.,g,`-.:-,, r_z, , '.--• 4 9 c°`-`9.2-6',..:',€),...W -.P.'a r--.7z-,,'''..;II ‘ ;1•;"14°2 0/6 3/ ' ASSOCIATES.THE TOPOGRApHY HAS BEEN FIELD VERIFIED IN JUNE,2014. , 1 I I ' Fi--"-'-- • ---- ------ r- -1--....__JEEBBILEDRIN/E-c, IVi'.../8. /,, ' . 3. MANAGED STEEP SLOPES EXIST AS SHOWN ON THE PROPERTY 'is , x ROW S, .... , , • , , \ . \- i ii. . / •-. 7.,`T-,,,t, ,1' / 4. NO WPO STREAM BUFFER ON THE SUBJECT PROPERTY . , , \ \ . \ 1EXISTING1/4mANAGED ''s,__,_\_'` \..\ \\\ \1"1/4\•'•1,7" 'V\ , k \ 01 9:s2:110.3, *il: ' 1/4.•1;:""\ 4:-- \. .7 . ' . , -— -t'',.:.: ' t \ ‘.___•._ , _- \ A‘11•AsI•JD'\ \, \ s 5. THIS PROPERTY IS NOT LOCATED WITHIN A DAM INUNDATION ZONE. .,./ ...•\ / -___--— --—L- PHONE I I EXISTING GRAVEL 13F1 . TE ERSLOPES,TO RE , . up,97_16B\ s / ) , i ., ‘,. ; ! SHEET NO. I , FED ACCESS TO PARCELS 90-35F,91-1SE, I • IMPACTED(TVA.)/ / . I I , -W/F„BERRY, , ., I . • ..".i. • i 1 F„ \ \ BBL,402 P.\389 .. : 1 I I 2 g i' / I i AND 91-16A ••'\ i , ' • , 1 I ' i • . . , ‘ ..,, , 1/N , ., I." I j. i , / I I '/ i NOTES: �`` \ �, / / / s.CONTRACTOR SHALL VERIFY ALL TIE-IN ROAD CONNECTIONS FOR AVINITY ESTATES ROADS TO ANY ROAD �` Lei " __-,- \ // / H 0 r I I i EXISTING OR UNDER CONSTRUCTION.CONTRACTOR IS RESPONSIBLE FOR NOTIFYING THE ENGINEER OF ANY .\ -.---�- \ �'` /f /' / / / / • op I\ I I I DISCREPANCIES BETWEEN THE EXISTING ROADS AND/OR CURB AND GUTTER AND THE PROPOSED ROADS, • �,.c-- / + , / / / `Sjj ' I I CURB&GUTTER.CONTRACTOR SHALL CONTACT ENGINEER TO INSPECT CURB AND ROADWAY TIE-INS TO _T+}.,_ --_a-_ N / , / /Oc/ // -" T - _ as ��' 0 SCOTT R COLLINS'z i EXISTING ROADS,PRIOR TO ANY CONCRETE OR PAVEMENT BEING PLACED. ■ Or _ \ _ � \\\ `� / / / ' 1r I I ' ( a.CONTRACTOR SHALL VERIFY CURB ELEVATIONS ADJACENT TO THE SANITARY SEWER MANHOLES TO ENSURE _ '-•--j " \ / / ' / / / /- / U No. 35791 :'a I THAT MANHOLE TOPS ARE CONSISTENT WITH THE ADJACENT PROPOSED CURB ELEVATIONS. w ' -o r--4�._�' .a,` / ;\ / y / j, ! j 3.CONTRACTOR SHALL PROVIDE ENGINEER SURVEY WORKSHEETS OF ALL ROADWAYS,PARKING LOTS,ALLEYS, • i % / .f?' / ' I / I MANHOLE TOPS AND DRAINAGE STRUCTURES PRIOR TO INSTALLATION OF CURBING,DRAINAGE,OR UTIUTIES ■y \_�_- --.L �� �"G+..a.,' / /�--, / // •" \ _ `� �• EXTENDFR 10'WIDE TURN LANE E3` TO COLLINS ENGINEERING FOR REVIEW AND APPROVAL PRIOR TO CONSTRUCTION.COLLINS ENGINEERING •N / � - / '. •>/ / SJONAL S ' / SHALL VERIFY ALL SURVEY SHEETS TO ENSURE POSTfIVE DRAINAGE AND PROPER ELEVATIONS FOR - r=-_ / \ _ / AT 2%FROM EXISTING GRADE �"' // ' / ~\ / (/ / TIE GRADE IN WITHIN EX.ROW `<" / ;/✓ / / , CONSTRUCTION. w N / / ` \'���.`' ,' / /" / / / / / ' , , i4.ALL PROPOSED SANITARY AND WATERLINE EASEMENTS SHALL BE DEDICATED TOACSA FOR PUBLIC USE. �� \ `/ �� / \\� y�r,,� \ / ' /.// / + ;/ g. ALL CROSS DRAINS AND UNDERDRAINS SHALL BE INSTALLED PER VDOT STANDARDS. •� `� -..,n . \� •---1„,..,.... n ,� ,� , / •f•. / / // • ti ,' / LOY - / '✓py .: \ r.,,,'.. .,^ / / ? I I l SWM FOREST AND OPEN _-_ _' / t/ l / 1 ! /^\ \ ` ` �< •�--[: • /•'/• // /// / ,/' I`u LO S,i / f ,.:,tS - r' SPACE PRESERVATION l� / / / ``�•c _ .'�' 1y�� , ' / .,/,,,,,, f • / 54 J---f /M I _{1I ,I 1 % REPLACE EXISTING 4�`CLJLVERT ••'': '(�' ''u5 1 59T ijrl�' / _ -( r ._ .k_ / r/ // / ' WITH 28LF 48•RCPCUCVEI�T \\\'_\ .,/I.• / /,//�j�// / M 8 • r• • �r�..-.ii�_� .I.:-.. - - ..:' 6 PAVED POR g •_�__..;I r• ', "_-:_,, iii i t,1 f/ - '�'!'1--�l\1-'/- / ; _+"', `` I , 5 / / / .�. \k .1 ,. EMER�G ACCES$,OAD / / Z o r�4- I 3 ��. i / . ! ;/'� _}' -ram.,_ t ro �. lI i' / /! /. ! ! ! O �4 S' ;�.� P�{Mo vED tloRnolr- / 7 -'+ { /R. .\✓Jam, $ ' �'.'j' _ ' _ • • •. _,,C"1ERGENCYA • OAD �;r� \ ..✓, --__` /' _.�. / i Ill E� 4 %INr; l.'n, :�a3�k''k ,,.. •ice' _ -L z r-• �� ' w/ -- !r• y�., �'A J-"refit:I} ,''�`"„ •.:r�. • �•a:'� i'' • •-i.-.- • -- -�-'��'__- 'I ram-'-"1• _� � _. • _�" '- i1 .S I 1\1 .:91-�a kk • \ rte-.- '°i.__-- _- -- '_�.-=�k°` _+ _„ . _�'= _ s' rae % _ r4 ! (t' 'ill;s 5 \ !v its _" _ ,., ecEsS Y>�-• �,_..' ni, I%\f\ '„a,' :_ = '\', '><e., __ •- 1:^• -'` -}'',�• ` k _ ----. 11 ,. r -y to • 1 i \ y.:1,,„V 'Q"'JJ• \4, :ki . - I.._�,-4`,'. '-"•� .i�.' _ C •".=�- • •�r. 1an • R,.�Y,i^.'--. , .i ' r t �. SW .x\},�, \ -.2'•y," :l��s�!r s • _ ': - •-aa-.� _ - _ - „ �y"._�-_ 1111���JJJ ylon , , : !r p , .. ;re • , "J"aa...„.; .r`,. -,----• -- i 1' i t� Il[ II _-_ . _ °.i., I n o I f - I f •1' ta7�' - 5 fi " 1 � - �EXISTING MANAGED I - c Jf !• _ ham' I � -_ i ■- - -- STEEP SLOPES` t-,-_› a `•Aram 1eit& �IJ PROPD3E 1YM •. -• - t�� 7 ,11 • I!.",.,:.,,,, /''� ACILITYFOR :.• _ _ '�-i� { :�i-ri 'I; i I: J' '• :r"" 1� f \` ' ./ -`\ - PROPOSED -PORTION - -�-_ _ Ll X 1 1 _ x'' ,,•.\" AVINITY ESTATES ----- -- T-ACCEI- - •� .a l �`/ ` \ �• ` EMERGENCY-ACCESS Ii0A8- 'S'+ r� ,i 'r`! / 'i 4 • v' if ,/ Sx_ `� _ --_ ---_ ! `• (P)6,SEGMENTED- _ - _ ^ � .__.f _twf !J II ' r 4. sS✓f .. - .� ------•480--___,. RETAININGWALL _. - z _ `� h- CID CD �.,;piij'iri• 4' '\s. ! /1 i at I I ::i+ f i �. ii - ___ __ ___ ___ __ (P)6 SEGMErfiED -_'� �\ \ \` �._ Z M / _ w''�-i!1'•,;. ' f .,'..` / .. ^ 1 r.,, ., ''• RETAINING WALL - •-\_ 'lr '\ i r:EX'SWM FR C)LITIe • \ N1-.. II \I 't ! 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I �. .. �� - ' - / �.'' - , -'i1 f i. /&; .\ I'SIDEWALKTRANSRIONSQN EITHER SIDE FOR EASY�.� - _ ^ / I > z �u �' .;jam; r • - - "� � ifs ' TT 'PEOESTRUW TRANS[T1ON.CORE OPENING TO .- 1 \ •'' } 'A"' C' • - , r j :1 F9" • \ ALLOW THE FIRST FLUSH TO DRAIN TO THE •S ___ \ t Z (jf ELL' _ `+a _ +*�'•oy ",-�•--�Lr=_I j ��..'('�_ ��(( • wy, i \\ \ � (( `\ PROPOSEa OFFLIN�FlL7ERRA 9105CAPE VAULT.STF€. --_ _ - ' t -) L • •\ a $�. 1 *;'� !E Tr =F- _.�} �~'�®�- X' "r< ' ��� s SHALLSERVE AS THE BI'.pAS51aI:ET FOR LARGERi �_ _ 1 - `3 / J_ Qli ! -•' I -`�, r _ �. �, S YD STORMS:SEE SVJM PLAN FO AI! DTAILS? _ t i \, Z Y-' "�11• 95,V ,I ,Q ! /__; t _• ,1 , -// r - ' - • ' ' .- . a 4EG:a, _ 1 � D YD\ i - \ \ I LLl J _ Il,ht.(.�,• ,.I\ \ -jz=� ,>•" __�/„,�y._�.. _ _ _ A' a• I. 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I 561fi7559.67 I h;3%: ��cf,���\} ,"�.._..-! -.J- - ! 554.75 I SOA. _ .. f I�"„ ' ,; r - W ,' .a7. , •5275 ', 550.75! .:• .' ��' 116, - .' r I j`it/ t ' ZU / / '' 5• 3 I 1 548.09 ' 543.00 539. f �:)' i 526:00 I,l rT ��! 1' ' W 'a / n 83: ' : • /'} 1 , • l 1 •41.67 4 ,-36.33' {11t x !1,31.0.1/../5.3"0.09'. 528.Q0 'E r. J,•Q4 J• II,,: 1 ` - 566.175fi6.8, - II __'_. 1 �_,}- ' I , 44A Tb i / /' i' / / /. cl / t� f. IItJ Z .1p' /� `\ J ' ,r,565.5, LOT24 LOT25 •LOT26 ! , , - LOT 21 Lq 22.LOT23 FFE FFE ! I ''t p F.E EF•E FRE FFE / F67.53 I it LOT27 L$T28 '' LOT29 LOT30' LOT31 ' LOT32 'LOT33, ' - LOT34 / / ' / 1 '' �` ]/ U I / ii]S6fi_3.75'- 56750568.10 GAR GAR i 1EFt=564.00 0=562.00 FE=560.00 E=555.09 :FE=553.09 fE=551.b9 FFE=548.42 �'" LOT 35i LOT 36f 10737� LO . OT 39' 'LOT 40/ OT4 '/' {{{..� _GAR ! FE=543.33 FE=542.00 F 539.33 FE=536.67 FFE= 3 y' VJ /' � ' r �' lGAR GAR 567 87 567.87 567.20 1; ,FlIR=563.67 AR=561.67 �,AR=559.67t '!AR=554.7$ AR=552.75 AR=550.75 GAR=548.�19 qR=543.00 AR=541. 7 AR=53$.00 AR=536,33 GAR rF• =530.33 �FE=.528.33 F 5 6.33 /J /" ;i • ,y. Oi , l _- 566.50 56717 !: ;i ;1 y �'" `11565.83 I 1 ! G =fi30.00'GA(7=5200 ARg526.OQ 11' /"' i 9_ D I I \ i \ \. (P)VAR.WI TH B'SMT2 ; r 1. r _ ,'j. , /,% l iJ / 04 `� \ I I ' •• - PRNl�TES ORM ' i' tli =5 =518 ,:SMT=S 41/I ;/ .� ` �" r i E _ y N ��I L i I i , .. - •i SEWERES� t 1f 8 ' It T�_? (/ ly: ! i Q 52 - MT16.z " i - \\ \ 1 \ } / ,\ • 1, / \% \ / \ '> , _ \ \ /)\.. _ ' l l l w �m N ------- `' \ \\ \ \ \ \\ • \ \\ \ .,\ \, \ \ . \ \-._�.\.__...a.-n_- k ''l/ SWMcORESTANDOPEN 1 scA30, - - `7 \ \\ - \ \ ♦ \ \ \ \ SPAC PREBERVATION __-__-__-__-__-__-__-__-___ ' - -__-__-__-__-___ \ __ __ • 1^___ _L \ ` y_ _�\_ _, __•�J'\ U SMEET NO. PHONE / 4 o APPROVED PRE-DEVELOPMENT SCALE 1,10B TH AMENDED POST-DEVELOPMENT SCALE t+too .thOF 4. 1.'t �_ ..�� \ \ ` --� \ .\\I \ / -1f:a $1, .,,- i -- I ,1 s .x�' ` \ \ I .. -� -. '7 e`.a',i' .,'::X712 ai"4 _ '�I --- o "� t opal ,\ R :<S \ "� \ _ 'IItULYG.T'!t.TERCEC'9'!NG CFj�:TE 1,.�it „t "z ��.) . \ `\ t 1 �: _ `\yp\. ,,,�- \\' _ ,'I If!;T...., ,�.. ;r ..J k < a } '- \s '.. 4-$) •._.�,.. '. '. -1.--- \ -\ TdU&`�iON gJck.--*ITe:-"4it') �' l �"y..P," • 4* '.4A e' _ i♦♦♦'♦•, it'`\:� __�\ \ �- . `-~\ ti'��.�. `i_1 ,,,;E�$1 n+, +;,� ��• _ :l v_" �SCOTT R COI,LWS'z ■ r♦P 1 t \ \ f-- tit�\ ' • - \ ,♦ �,-_, " ",, -_ - 1, (i�•'",..1,, • �'�- - - V No. 35791 .2 ■L!- 1pd--"�- ,., 1 T h r _ �~ i' Q♦ t:;, r> I I1� 1 ' o \ '"-�` -' ®♦o, ,.. WDarloQo` • \ ,t \; __ T k(\'��.. ••'� ""1• -Y4SE IWE POND --��_ '. J• �' `\`I !` -r--_'.i:..'." t ', e } , RPRQ'SFhVL4:Tl"Ir A ? • • '�PWRSEIWz'QHO I ♦ l■ 1. •y� �q-Lpilric: .NO ■, • �- •W I�t�i'.�a':�_�s'.nel' \ _Cr:PO•:soa+or.+c) j ■ _ � I V •�l`.S' �;,� �� .` •°. \ '\\\:.4r.. p ��y� °b 1{<6 ■ /\ i .. \..,n.'.. •t" 7a"'�'$q. j• -"� i' u', t!t } ) ^� \ _n ..i'da� i SAi}Qsr+l�va'_` 3rM+s._'•:+a F`�sroxAL R" \ ''s' 4 C ; 1i1 k M�, \ • \, \... " \ f ;1�4 t i ,_�,�,� - - j .Z L, '1 p`c%, ,-.tv �( p� `���''`'---_`" '+'..a',r' 'rc�'i':; _-`- r I o `/ , 't _-__, '\ t \ ...\ . \ '�`\: - �po 12 ,i ,g�. f` y = -!. -.✓ • (, li' a 1r `a `�'SA � �aE-d /f r�j i;"e`,�,- /'o ._I' o I' ''.5 \ �'.: ,.'\ \ \\'.\\ - 1 ',i{{uti��`ry,>��ffi 6`_'-~-� - - %� i \. ! �'1 y�! � ��� w w!�1 wA 1 lq1�7((�'r!4�fC S•�4 - _--..._ _ 060 1I _ .__. • t \\\\`\\ - •♦. !'''t-I\p�3"Y;sa/' :•Cr,',......„..1.'' /i T�V{{ r •• \ r ,I i1.i ■ �I� h�. (' i,�`ll't;q .t lv v, - •-'_,-_. _-I' •® a \ \\ \\" \ '�!,\•;L I ( l'n'JX✓.I l^ •i' 1 � � � � I � f11: Sir / • (r :... ->,�w • \ \,,,•\ T \ \'' '_:♦I I,,, `••,(� ,f,.g '7 •--I' .�! i � �Will!birl ��� 6�$■ �'■ .F '•`.. ..I.II / `T 'i Y/• ■ ,111 x:c r,.. ,APPROYEODN` G' ( \ .• .1 t 1111M p'0NE■Lt1 mp4.EA K� •,�y .I �11,,,,- '// ■ \ '', .e `\ Y (;, ■ \ I Ts �� 1i�7 t11r3.�1 �° �£.ef �F31 t 9 S� <un- • 1 ' \ �%\:.s.�,.. `�.`\\: �� -,. x r. >S._. t / \ i� 1 �'`.1 �C' 7'..10.4 Z4-==� ..r''A �,�"• �. 7fii *Ail, -,; I�°r' < `s.♦. r i 1 I I `4annie `;I \' �\\ `) \ \ �`\ ,>\=' �,�,!}` I �l I t ,..�-c �� 4irm m I D@Q♦tl Ir• _ _• - - - I I 1 \\ \\\ y\....\.`,',\.,‘ 'Y °rij t I / Qr IQ■■Q♦ 11 II. 'I - a -�,�; _) -� \�r. ~�•c'�6tar••3F� � '`L`*F \•;;`.'C'-w" 'ROPOSED SWM FOREST I / ♦AQ;�.da$e0arnsafaiantomiaaaa iCaE 9rl i - - 1 ♦♦�o it t . - -i19 �`F�1. ,' ' � ,a:!ii•' &OPEN SPACE • I o f0 , i ! -z` ,� r\- '\`\\\:� ;-.�` i• -"1"`. '' ' ' t I a:;s'°�"•.,.°.,,.. Q f'I^333t: _- �t ��� 'j "�tV ' // - \41 ae♦f . ` ` \ I i ,vsdmxc„nvreur.�nl PRESERVATION ESMT, _ / ® " �� QQ�a4Qr01®a0a.0.1F.04 6!(a `\\\ \ ',it, I. 'it is ' 1 ■t 1-+ + �r �r� ' \ \ 777 \ t:'#�,,.' it WITH THIS _'�.t_ �Tffiw` C ` y \ �t t`.Y1 _�� !�g1�� I I , mere m ,.•■ 40.��/ .1� A"�I: MIRML� _ UFACTLIRED -;�, _ --- \/ I..'�:■ -I _.- -.•sa,� ` r+Qo® \ :\:i;\FVi [[ ®1�}'�'{� A+ldov..A+nMx .' }.___._ I i 'R���y � rJ..�.,' J� Y,;4yVt;tf :} @f685) I Il / • s !1 I U)'. • 'v,'1 1 \/ i tlirdp, ' jl �I �-» I"� ,-s■,t�:-f�.r'I faoseoSUBA8..3 V , ■� 14 i IMP.&v.a ! S C • •' .t PP:ovEODa'c o � 1,. ( 't I / � I: GED1v i,. n ♦C `,I 't Y 1•• .\ 1 1 ■ r. • SY ,isM'�I' ,__._.•_.' .. • L-_ ,. ari. oa ,'111' ` Ip',-.• \ •• I"� I it I ltf._!. - � I P a •ftl• Y •G{•{ ,,?,,;.Y , I fii / i-.e..�• 1/e,.•j;:\ AvP;(0\T_ A'd. y' - m•(rtev__ .," Ql I : fl. !: ri ` /' __ �* R,_� -_ ____=��.IF 'I� \\, a ' :,,'-`W.w: ■ " 1 Hems5 R,,•.^ -+wf.,; / ♦O 1 j..., •LOCATION OF APPROVED 4 �'1-F, JJ3ar-___ �-,- _ ky-S 3.�, �''A1 �',4 \ ` \ u 8 I / u ✓Y "ri' ' ' EAMENo6DswM• / ,:. I��IEkr ^¢ � 1�+`a�sr 3 "� s." ENDEDD -CHB.SW■ IIq-ems•. Iw -cI • 1 I r"'_ � I iI44$ - . � I m■ i ;�►� 1e ■ ■ ■ e r \ o_ L. _T -.� ' • / ■.' :�f. • S,t BIORET\ONd/SM. j uII■ .. / a*o / ., 4aeeBl� :, q �■ Lou• '"-• (� t [�!' ■r i�' Q. \,� t\ \ ggt.. / 'r'1■■ � ��1 V: \ O Z o- -4 -4------ DaaeaeeeaaeaeDBS - / , � _ .l__ /' �} /I AMENDE OAR' I !'•� �r..w� --'_ -- /k1°.' „r.,,. ._. _ s�i/,' / !t�; S I\ • -" t>.BLx;cN-ge.o; /tr ■ ; !, i -'GPosEPYA4id,(riPhOvE6!��t I\ '1,. •t , v' W I ]rR•! r/ Tdaio An. _ (■ 9 AMEND�OA'A' --- '_ e.! /,MANUFACTUREDBMo TFARAi/ "jam- " - , "�'!■■p- --�;� -. _. //,'\..__�--_'k,//'' `.'�I ff I ; i , 1_ .• _ + > '/1'{■, +t�1� �i _... ----"O'Tc-oaa�irs�'�' /'%C'-'- N•,// • f1105CAPE VAULT3.BMP I f ~ / /. J �•'prl • ` I ,- • • , 'F■•l.�i ' 't.\ ./ I r APPROVED FORA•j9% , 1 , a_�. _ � - � . '/• '.11 . {1 ,'1�. • 1 ' I i �' �x�lt ,• ./' - / / -I�NOSpH00.0U5 FEM•OVALI{AT,F,bj ` ••■ 00 / 4 --- l.,/_ --- THE SWM FOREST AND OPEN&ACE EASEMENT IS Sl1BJECT TO '1 d ;/1 r 1 , ■¢' r / .1! t f )y "' , ■■1 , _•"-- j/ / - a " GUIDANCE SET FORTH BY DEO IN THE VIRGINIA STORMWATER '!` (! I--- J' I,.{1� Y _ - _ I, : ! i i;ji,i If f / • \„_'_:.-MANAGEMENT PROGRAM.THE AREAS WILL REMAIN UNDISTURBED 11 I t •f '•t","-I:'- �i/r tti if' " '- r'I' 1 I '! 1 i i t / „,..,,,,,v.' ._ /:%G, �.1N A NATURAL,VEGETATED STATE,EXCEPT FOR ACTIVITIES AS I I i I:f , ,\ - / /' 'w dw=k_+r���Ir1�■■T,' (! j� - ---- --_.- _-�__ I 'I I! ! I� , _ -_"APPROVED BY THE LOCAL PROGRAM AUTHORITY SUCH AS • /, / 1.1, 4-__ , ,- .-- - `J ' •-l'" \ . .�j. _ e =�/ -� '�+';-� FOREST MANAGEMENT CONTROL OF INVASIVE SPECIES, i 11i1'• '- ` !,J �.� ^-c." '.a ! I'•' /-.. I Y L \/`\ ////-, ,'',"G{,REPLANTING AND REVEGETATING,PASSIVE RECREATION(E.G. I ' .,-_� - 4u"% } _ AA �- - __i'-- i / ! I I�' ; • _ ii''1 ;:71� if J _r J _ I1 6{ - TRAILS),AND LIMITED BUSH HOGGING TO MAINTAIN DESIRED ;5: _ '\ ' I'I`. _- --- - "`-"',�-' 1-, '/,, -j.✓' VEGETATIVE COMMUNITY(BUT NO MORE THAN FOUR TIMES A I I .f i 1 I ti - ,� L,"" �j � /111- r/ _. � { �-' :(! ` !• 4/' `` YEAR I I _f'ROPOSEDPWN6EPQOL-AT OUTLETOF, ice/_\ I.rl�l i`\`,'. (� �%jJj. I :1...-- •STORMSLIVER.PLUIWEPJFOLTO-' ':!°l�vqp��9 ' ��IJ•,� I /i' ) II. ! `\ -- _ `-- - ---� /, co co os . /r. ( ! �'DISSIPATE RO '�f pp '"/I//1�■' _ I! \_1 - IIr ! f_,! i' W5.T9ENSIMErJ '/ ` , ,. _ t Y,Y • .I. i I I'!li -_` �J,/'t�{ • / • ''I LNOTE:ANY FOREST&OPEN SPACE PRESERVATION AREA THAT J I I �D.OWNSrREAM AREASARENOTERODE4 / - �,._._,-- / - - -"'-',I - _ ' �- //nnL .\ - i WAS PREVIOUSLY DISTURBED BY THE CONSTRUCTION OF THE ' 'I { �__ - •? `I-�.m�- - ^'/�/�//4 i I /Y' !I ¢ \' - r f .-_ - - _ �Ix`�-jam' vk y / o C '^'r AVINffY I POND(OR DISTURBED WITH THI R r _ - - i:i- - S CONST UC710N SHALL cam."-` --- - r''� 1,� I '.�.__--� - AMENDED Im erviDus Area Summary.•Water � - r=-~ � _ •\ ) 1, _ _ __ - - _ �� ,■1 \ - I ..-•�' P ry rQUANTrtY m n-... - W ) 1......-_,... �7----__;-^-:_::•;��_--�_- '�'r?�♦��\-- `�.,` •�\BE RESTORED USING DEO BMPSPEC.4,SOILAMENDMENTS. ��..,;__"-- '"`may` =--___ „-.'"�iYr�, ���!eJ•<a���`'\�;\, 1;4t~ -- Areas lnmted within DA'A' . '1 `-- -fin"" _ -L ---1.----'-:-..- -....-_- o- :` ',• ''1 _ _ __ --_--..� `-" - _ _ • .-.-.-.- `>. _ / I ,-'^",.._� .. ... "•"* .,-%•..... �.. ._"�-,»,;.«:�:.a, -.;' �` t \.�'•=-`v..,-l �-,/ 'L Proposed Roads 52510 sf „`` "' ` Z '�_ Proposed Driveways 23,1�5 5� ._-. __- _- --, - .�'-__-- �'i;:�,��_ __-. _ ;B�',l._ �`ter..-_.""'_ ` •\ `-' �� _�_ .`- __�_��:"'., -•`"-..�- J,�F-� ` ._ _\ - --- _��_,., - - -----. - i' ` _._ -�..- --- -...�_ ��'�-.-, - _� -_ Proposed Sidewalks 16,640 sf i "`">J�._- = .';'az:\ • - '- �.�I ♦ • - -'--�_` .so--.-•�'i • -" - ,_ -- 188,150 sf J _ `" Proposed Buildings / L OF PROPOSED `� ~" / .-._ <` _ _ •_ .\-� ___ _-AMENDED Impervious Area Summary-Water QUANTITY Ce) OCATWFf 05ED •" - e.,-. APPROVED Pre-Development :-..,i .. - ` ~ PLUNGE POOL OUTLET \\�-�'�� 4. i -- Pment Watersheds - - "-�`��"4'`•-` �\ // -� ^`(Areas Located within DA'B') COINCIDES WITH APPROVED'' / CN Tc,hrs. Area,ac. 1-yr.Flow,cfs 2-yr.Flow,cfs 10-yr,Flow,cfs /" :. ``+ -- proposed ooado 16,450 sf Z N POINT OF ANALY51 ,-1--�a• +�"s ^ - \ _ 5r _OA'A' 62 0.22 5.18 3.0A 3.74 30.69 ' •1-�-"� -t ' •�� \ \. FROPDSEDSWM FOREST- :�`-L `- \•„ �, / -'"''k Proposed Driveways 6,625 sf �, _- \,,.. DA'8' 61 0,15 3.48 2.21 2.71 8.06 -_ &OPEN SPACE ''' '`:�'`�, , \ \ Proposed Buildings 35,175 s( moms "= - .AO •�`+.��, DA'C' 61 0.15 1.13 0.72 0.88 2.62 PRESERVATION ESMT. 4y` ` , \\ /' \ `4" • -_ ..__ _ ... ... Total= 9.79 5.97 7.33 21.37 - "- WfIXTHtSAMENDMFM `'�) Proposed Sidewalks 4,560 sf •� .- .__. (o.162c) \"- ��. ._ `. 62,810 sf 1 13 DETENTION BASIN'A'& -` '} \' i,' (.t: 'Filters Bloscape Vault Key Design Elevations ~ u APPROVED Post-Development MANUFACTURED BMP DESIGN „�,.�' +�•,,, '" N; • ';:-c` • C Z 'g \\' 4 Vault Rim 525.50 N P =�,r i! .I Imo. J w SCALE I. _:J'•Y�-•..� .,✓.,r"2' IE !\`7�''- 1 Z , :.l",,;•,• `> -,' '� i 'I'Vauh-UDA= 6°SDR 35 PVC Pie N o6 CN Tc,hrs. Area,as 1-yr.Flow,ds 2-yr.Flow,cis 10-r.Flow,ds \ \ ''\r` .�. t1' { D 4. AMENDED Impervious Area Summary-Water QUALITY y Y y !\ ,,,,' -1r$ '�'Op=:$'zf i -:�h. 1' ,1 �- t :' I Q -w (Areas Located within Parcel's Limits) DA'A' 83 D.35 4.94 1.25 2.62 14.89 4 �!�{'r� � S' .�,-/ f I.A�. •4 l�) (�• h' {I• 15.5 ft I W Q Q J -a DA'B' 79 0.21 4.85 1.11 1.52 6.35 'R�" 'N 9 ) .i 520.08'(Imrertln) ' Proposed Roads 69,950 sf I• \ , .,- a R -/ •, P � 1 i�" 519.7T(Invert Out) > a <,°, I Total, 9.79 2.36 4.14 2L24 `�\ ,\ 515 . 1 515 Proposed Driveways 39,750 sf F ` • i r• +- .. tl' I' ' i UDA-UDB= 6°SDR 35 PVC Pipe f J w ,-_._ Proposed Buildings 135,500sf N`Nkv •-•......."1 '' � ak�``'' .' It '' 1 ' f I 2a.DftZ J C Z °I AMENDED Post-Development Watersheds _`_ "3+ i. li ��,.' ,j )';j JGProposed Sidewalks z1,zo0 sf ` s._ {.'�. 1} l' js19.77'P Wert ln) QLLJ gCN To.hrs. Area,as 1•yr.Flow,ds 2-yr.Flow,ds 14yr.Flow,ds - •••--::- ', ,l .( - 1 t.1";. ;'.I. 256,400 sf DA`A' 80.5 0.21 7.95 L04 2.09 8.50 �'� \_ ± .t, - 1 ' i! 6"SDR35 PVC Pipe) $ n I ". ) UDB-OUT= 6"SDR 35 PVC PI U) Z c 510 , i EXISTING GRADE ! 510 DA'8' 90.0 0.10 184 1.10 Z69 4.42 ( .... ,s"�+ \ ( (, t i�,f j l r \I `i'.I 6.S ft ll.l w o Total= 9.79 2.14 4.78 32.92 I c. 'i r t�;_ •,) ,,{ kg Qil S - `�-I ? I 1 \ �-.�\1 't li' '!! t.::.',.,..‘,.-. ......,..,.itt\ 'l.,il . .. ' I.. 495.50'(Invert In)iI PROPOSED SCD CL III RCP STANDPIPETOSE3VEASTHE \ \\ 1 IIiA `\ • , 'I"t�l'i'i '.�\' i t 495.00'Qrrvert Out) ~RISER,CONTRACTOR SHALL REMOVE UPPER PORTION OFTHE JI \' 1 i, ';..::; ` .i..' F i I `C y ! O Z4E.STANDPIPE&INSTALL A NEW 3'TALL VDOTMH-s.UPPERPROPOSED BID`HOPE STANDPIPE WIDI GRATE INLET ' ia'l 4'' '` _ \ �, '.'\ �• } 1 Vjt I\•\ ,'I \ 4 '} Z J O Q1CONE.CONEAACTORTD INSTALLATRASHRACK IN PIACEOF j TOP TO SERVE AS RISER STRUCTU LE ATRABHRACK,i I \,\ 1 I € ' y„ f.�, c505 : ' I THE FRAME&COVER FOR THE i4.OPENING,TOP OF CONE/ 505 I I WM EfEV.4S5.92 CONTRACTOR-O INSTALL ONE . I SOS + ;\ i . I ERGENGY ACCESS ' GRISER TO HAVE AN ELEV." .. .. ._. r I ADSHALLP0.0WDEI S4. CES33'.CONTRACTOR SWRLL -T�p4.Q7`lOV7'SI:OV2-UUA EA'7-E. .=001'OD RHLI t '1 t' ..`... } }' .t1\ ENRICE Ar _ wPLUG ESC DEWATERING ORIFICES WATERTGNT&INSTALLA CK AT RASE OF RISER,C�NRiACTQRB STO0.MwATER MANAGEMENT NARRATIVE \ �';•� 'NEW 5•LOW-ROW ORIFICE AT ELEV,.48gaNAND THREE 6° I INSTALL AM'ELBOW FOR T(iE BARREL ` •��'y'' ' ` 1 \ � `1t\t, � 'r''I II ` ;t,MNNiENANCE&ArrccS '' r, �/•� V';• -.-_i_._.:.._.._--. .�._-MID-ROW ORIFlCESATELEV..4g}So' -IMALLAIION:ELBOWSIIBE .1NCONCREIE_:_--; OVERVIEW: \ 1 \ ' r\• ,`\ �`0.,{ .. �� .,i� .. € `t { vv/ WvI ! IIi i FOUN ATION- j THE PROPOSED PLAN PROVIDES STORMWATER TREATMENT FOR THE DEVELOPMENT OF ••` 1 i l `� , 1 W a'PROPOSED 4'WIOETOP € \ '+ DROPOSED RIPRAP ENERGY,j PROPOSED IO'WIDE TOP OF DAM I I AVINITY ESTATES.THE PROPOSED PLAN COMPLIES WITH PART LIB REQUIREMENTS. \ \ . \ QE500 , ' j ELEy.=497sb' 1 500 500 i OF DAM ,.49B ; 500 .:r •1 5` \ {"�' ', •�I'' \t \- ` ',i R. \' I ;€ DI551PATERPRE•TREATMEM. c! ` ,' ' SEEFINALRGAD PLANS FOR YI•BOrOksE,s RrvRi.P EnEH61 1iSTOPMWATER QUANTITY: '} vI ''``STORMSEWER OUIFALLDESIGNQDISSIPATER PRE-TREATMENT,SEE ( I So'WID6 GRASS WED jTHE PROPOSED PLAN INCLUDES ADRY DETENTION BAOIN,WHICH ATTENUATES&DECREASESi ,i \•NALROAD PLAN$FORSTORM i 56•WIDE G' -DIVED, EMERGENCY SPIf�WAY CRESTOUTFLOWS FORME MAJORITY OFTHE DEVELOPMENT.THIS SWM FAOLRY TREATS SUBAREA \• - •rj \ \ i2 SEWE3E Ol)fFALL DESIGN EMERGENCY -ILLWAYiCREST : I ELEY-SOT B2 VV.THE PROPOSED PLAN ALSO INCLUDES A PLUNGE POOL AT THE OUTLET OF SUBAREA'B's44 . lI {1 \ yAN - / // 13EV:edBB'L STORM SEWER,THE PLUNGE POOL DISSIPATES THE RUNOFF PRIOR TO R EKITING THE PARCEL, ,! ` •It t (.)..( I.L wi / f Do57w0 i i I I AND PROVIDES MINOR ATTENUATION.THIS AMENDMENT PLAN AND THE ATTACHED w+i'- 1 il t L\ :+ � 1 . . •\ _Jrn " 49S • I l_I iATERLINE I I ! 1CALCULATIONS SHOW THE PROPOSED MODIFICATIONS RESULT IN POST-DEVELOPMENTt r '�_�•� I \ 1, `, " ' ;1') ,1• (!\ \, 'ri 7AY' Oif. �y 495 495 495 AMENDMENT FLOWS LESS THAN OREOUALTOMEPREVIOUSLYAPPROVEDWlDECVRBT ; \ ! IYROPOSEDivWDETOP L w9 -CONTRA-LTORSXALL INSTALL i j j -- )SITAR- POST-DEVELOPMENT a.,i-AND ao-YEAR ROWS.THE EXCEPTION IS DRAINAGE AREA'e'WHICH LONG FLANKING I ,�A n I } •\• �ir'�1 `' OPDAM ELEv."Lg7.5o• '/�EMBANKMENT IN II �,.. I I seNER HAS A a-YEAR STORM FLOW WHICH EXCEEDS THE APPROVED POST-DEVELOPMENT FLOW, SIDEWAIX TRANSITIONS t•T Q 4 I \i ,, "1 E ` ` ~ v, � •;•- ACCORDANCE w/THE DESIGN :A! i 1 i BY OTHERS MAINS LESS THAN THE APPROVED PRE-DEVELOPMENT FLOW,PROVIDING ON EITHER SIDE FOR EASY.•' I !tP i ', , •\ _ \ ?�' ' �` '' +"••- '� ! f_-.,-...- _• CHANNEL AND FLOOD PROTECTION COMPLIANCE ADDmONALLY COUNTY ENGINEERING I %' - - 'WIDc GRASS LINER u9[PEE TRANS ON. \c I, 1• :.1'"� • • 55 ER EE `�'• ' I I tf \;1 ,�I{' i E�MERGENCYS SPILLWAY rWy FN 'i , 'PROPOSED ESC BsB°BARRELONLET -- - PREVIOUSLY EVALUATED AND APPROVED THE CHANNEL AND FLOOD PROTECTION " i J,' rr �I ,,, !I �},'.., ,/ • C(lESTELEVr•496.33 \ li SHALL BE CONVERTED TO HAVE A ! , I CALCULATIONS WITH THE ORIGINALLY APPROVED WPO PLAN,SO THIS AMENDMENTS REDUCED ,.,, / ' I 'MYDRAVLIC EQUIVALENT OPENING OF I ^ I 3,'. 49O I ' ! 490 .BDT,,,,k0 91y : i 490 ROWS ENSURE THE AMENDMENT IS STILL IN COMPLIANCE WITH COUNTY AND STATE MINIMUM !!I, , , i t\ \ --.-__:__ ._,. .....__._. ;AOu•BARRELTO ACCOMPLISNTHIS, _I._..• w s cv_J Q REQUIREMENTS,AS A RESULT,NO FURTHER ANALYSES ARE REQUIRED FOR QUANTITY '11(11 (�: - ,\•' �, I 11� y \ t.7i_ -_-. .CONTRACTOR SHALLINSTALLA STEEL ELEVt/tD(Y -_-_ '1 • ` - I , 1 I' R COMPLIANCE.PLEASE SEETHE ATTACHED CALCULATIONS PACKET FORME AMENDMENTS i+ ~�' Ap�J , I PROPOSED ESC OLB'Q_III RCP STANDPIPETO' °2 Wflfl i I WEIR PLATEATTHEPIPEOIRFALL CHANGES. • ;`. /Rd\ : IBOTTOMOF BASI L (COVERING THE TOP iv'OFTHEPIPE. TO PREVENT Fl;OTATO THE RIS • I I a ' i�� \ :SERVEASTHE RISER CONTRACTOR SHALL REMOVE :..__.._-._.- __..' ..._..--.__.. .. i BASEANDDABREL.CONNEQIO _ Ny' f :1 �• J' \ 'I I''_ `.I L �� rtl •TTT r 1 4g'STANDPIPE&INSTALLA // STORMWATER OUALT': yyl 7''- ' ELBO SHALLBEFlRMLY EMBEDgED ! - n j (1 '11 1 .,NEW UPPE3'TALLVDOTMH-L UPPER CONE CONTRACTOR 4 PROPOSED ROL IL° I THE STORMWATER OUALIttTREATMEMFORTHIS DEVELOPMENTIS PPOVIDED LNG F06E .. ::): IAA fi 'I I '".' 3' - TOVREVEIfT.ROTATI HINTER SECT BAS BI RCP BARREL(L.BB'; ' 6•INTO AN s4 THICK CONCRETE [POSED RIPRAR ENERGY, F �■ JJ I I ' 1 I TO INSTALLA TRASHRACK IN PUCE OF THE FRAMEW4SSi V FOUNDATI NTHATS I ISSIPATEROIfTFALLVDO BEST MANAGEMENT PRACTICESTHE BEST S5032NAGEMENTPRACTICEOFPROTECTINGFOREST& m \ roE S =4BB , 1 OPEN SPACES FROM DISTURBANCES IS UTILRED.A PROPOSEDSWM FOREST&OPEN SPACE '� '�� ' II' &COVER FOR THE 'OPENING.TOP LL FIRMLY EMBEDDED INTOANia'THIQi 'L"`ro A A4D9NiREL.CQNN GT10NSf1ALLBF s.o.dst;INv IN 485 465 3'0' -sIi3.EC4 AS 465 TO -_.. ° I \ 1 RISER TO HAVE AN ELEV.. N'•1 T ODr OPO$mVCO{A3't$ABl- ��1 ' fl I ', 495.33'.CONTRACTOR rr�y/ WRAP W/GEOFABRIG EASEMENT WILL BE RECORDED SWITH ERA SDEVELOPMENT'SSUBOMSIONPLAT.SECONDLY,A '' 0 LL tE CC NCRETE UNDA ONTHAT1581B'.1 GREWiE DUfLETPRDrELTIpN B1D'HOPE PI _' "r?-j I (\' �{, \'( ( SHALL RUG ESCDEWATERING ORIFICES 11 EX.IV SANITARY G TER I U DERLAV,MENT 0,20;W1=T6 MANUFACTURED IMP PROPOSED,AN OFNNE FlLTERRA BIOSCAPE VAULT IS PROPOSED '•I' I I WATERTIGHT&INSTALLANEW LO Q w/ E0IEKRLE FlL FABRIC INVIN:497.0:: ! NEAR THE CLUBHOUSE PROMDINGA o%PHOSPHOROUS REMOVAL RATE.AFTER USE OF f 1 '. 1\: i1` S W-MOW 482 , 1 SEWER PIPE NDEmAYNENT A VDor STD.EseMOL 482 INV OUT.490.6 whnt0.1A' , 462 5 i,1 i Sr, ORIFICEATFIEV..Legao'ANDTNREE6'MBs•ROW /tT (L43'Lyl.2'wD=8'0:3,MI I) L=BOA5W 9o% THESE TWOBMPS A FINAL PHOSPHOROUS REMOVAL RATE OF 9961Ds/yr.IS REQUIRED.THE a.F� --� + '' j \ ORIFlCESATELEV.=pg}So' v > >1 BEST MANAGEMENT PRACTICE OF PURCHASING NUTRIENT CREDITS WILL BE IMPLEMENTED FOR I'''•, , I.i; m JW ^eT1 m,p pnr W n m m r" THE REMAINING COMPLIANCE WITH PART WATER / v / ``, , �..•;., - ! •' ,.j,` 111 c W w < O -JLd .rD • / _Ny`` _ I { il'I PROPOSED ESC-o vI5.III RCP `\ O E a rD Oi o,O W W _ O1 REQUIREMENTS.PLEASE SEETHE ATTACHED SrORMWATER MANAGEMENT CALCULATIONS / i F , ., • :�BARREL ROW;S•v,5v9t my F L' O V, 4 m -6 V m Vs O or PACKET FOR ADDITIONAL DETAILS. , ! -_---. e1 ' IN.488Am INV OUT.4BB.ou `\ N U W W a a a W u) V Pi10POSED FILTERWA B[STARE VAULT..-•• I G _ LA. €7, / (EMMES)FOOTPRINT.13'i 7' ... ¢ IV" \, \ = _ 1OP/N/1MM ELEVATION'=524,50'(PERIMETER-'-•`••.,,.--':` \/. ''7 1 • - 10+00 10+50 11+00 11+50 12+00 12+5012+75 10+00 10+50 11+00 11+5011+75 / : GRASS FlICOI:RD1 ELEVAnON.-a35.522 •- ;, r, ```1' (T{ 'I,A t PROPOSEDESCee•BARREL \ \ 6 m ] / ' 6'SD0.35PVC OUTIETDJPEELLYATION.512.p8' i ',-'" ;\� '!`F T�, OIIRETSHAICBE CONVERTED TO \ I I ' i JOB NO. °Y / '2'WIDE CURB CUT TO ODLECW1RST F USX TOO-eRAIS,SWAQE'" e`v'// \ ' HAVE AHYDRAUUCEQUNALENr 092033 e PROFILE SCALES: Total Phosphorous Removal Required for the Developmem 10.62 lbs/yr 'r PROPOSED HARD DRAIN TO'CONNECT WR11 YARD DRAIN SYSTEM' / • i I l Y1 `1 t OPENING OF A 000.BARREL TO ` ° BASIN1 1 1 1 Phosphorous Removal Achieved BMP Practice of the SWMFOrest&Open Space Easements 0.32 lbs/yr BEHIND LOT553-61,ANDTHEN DAYLIGHT TO THE GRADS SWALE ;' -', \I, Vf 1 ACCOMPLISH THIS,CONTRACTOR SCALE c`s A ,'-5'M PLUNGE POOL BUPLAND OF THE PROPOSEDOFFLINE FILTERRA BIOSCAPE VAULT,STIR 2Z / \SHALL INSTALLASTEEL WEIR PLATE Phosphorous Removal Achieved the Proposed Manufactured BMP 0.541bs/yr s PROPOSED VpOT•;CpARSE AGGRE TES'•Oil ( AT THE OIlTFALL COVERING AS SHOWN 1"=5O'(H) ✓_J' SHALL SERVE AS BYPASS ISLET FOR PARK:mm.0T DURING LARGER DURErrF Er,:,:r/GEDDXDL�• I' _ Remaining Phosphorous Removal Required to be Purchased 9,96 Ibs :STORM EVENTS&ANT,EXCFSS FLOWS TOME FlLTERRA'BIOSFAPE CAN FILTER FABRIC UNDERUYMEM&VDOT j I I') pp Ivr THE TOP so•OFTHEPIPE 'SAFELY OVERFLDWMA SHEET FIDW TD'TI/E DETENTION BASIN.SEE �\ , SHEET N0. ' 1% sTDt5-L1L45',Wl^r,w3.8',DQIMINI• . I ' 5 P n QFTAlI QN mtP NEXT SHFFT FOR FILTERRA BIO�C'APEVALR Ti QFTATLS• / J . o DETENTION CELL CONSTRUCTION NOTES. GENERAL SWM NOTES: FACILITY PLANTING SPECIFICATIONS: A.STATE APPROVED TRASH RACKS AND ORIFICES SHALL BE INSTALLED ON ALL ORIFICE OPENINGS.SEE DETAILS ON THIS SHEET,OR EQUNALENT,FOR INSTALLATION OF ORIFICEAND RISER TRASHRACKS. 1.THE DRY DETENTION CELL SHALL HAVE A TURF GROUND COVER.SUCH IS GRASS,MULCH OR SOME OTHER FORM OFAVEGETATNEGROUNDCOVE0.LANDSCAPING BEYOND THIS C OPTIONAL AND ISNOT N.CONCRETE FOUNDATIONS SHALL BE INSTALLED°NALL RISER STRUCTUREES MEETING MINIMUM VESCH3.a4SPECIFICATIONS. S'TH (:).ppREQUIRED. 3.CONTRACTOR SHALL HIRE ATHIR SHALL.D PARTY ENGINEER TO ENSURE THE EMBANKMENTS ARE STRUCTURALLY SOUND.THE EMBANKMENTS SHA HAVE A 'C�+� `f 2.THE PROPOSED SIDE SLOPES OF THERLL EXCLUSIVE OF THE EMBANKMENT,SHALL BEA MAXIMUM OF 3:I TO PROMOTE SUTURE&REDUCE THE RISK OF EROSION.THE PROPOSED FLOOR SLOPES SHALL COMPACTED CLAY CORE WITH ACLJTOFF TRENCH&BE IN ACCORDANCE WITH THE DETAILS SHOWN°NTH'S SHEET.BERMS AND SPILLWAYS SHALL BE STABILIZED WITH o HAVE A SLOPE RANGING FROM O696.1.095 EC-3 MATTING AND THE REMAINING DISTURBED EMBANKMENT SLOPES SHALL BE STABILIZED WITH EC-2 MATTING.ALL BERM FILL MATERIAL SHALL CONSIST OF ML,CL, •.- ijO'rich:WNW EASE: R 0 3.PLANT SELECTION,IF CHOSEN,SHALL PROMOTE DIVERSE WILDLIFE AND WATERFOWL USE WITHIN THECELL SC OR GC SOILS&BE FREE OFWOOD,ROOTS,ROCKS OR ANY OTHER NON COMPACTING SOIL COMPACTED FILL SHALL BE PROCTORMAKIMUM DRY DENSITY ASTM D638 y .`-ellesebeit'v1L`u 11,1'Tnx(.,na^ -e SCOTT E. COLLINS'_Z 4.THE LANDSCAPING PLAN SHALL ALLOW THE POND TO MATURE INTO A NATIVE FOREST IN THE RIGHT FUZES,BUT YET KEEP MOWABLE TURF ALONG THE EMBANXM ENT AND ALL ACCESS AREAS IF TRES AND HAVEA MINIMUM OF 95%OFMAXIMUM DRY DENSITY AND a%OF OPTIMUM MOISTURE CONTENT.ALL DOSING AND PROPOSED FILL MATERIAL AND PROPOSED O AND SHRUBS ARE TO BE PUNTED. CONSTRUCTION SHALL BE APPROVED BY AN ONSTTEGEOTEOLNICAL ENGINEER PRESENT DURING THE CONSTRUCTION OF THE EMBANKMENTS AND FILL AREAS,AND U ND. 35791 a 5.WOODY VEGETATION SHALL NOT BE PLANTED OR ALLOWED TO GROW WITHIN 15 FEET OF THE TOE OF THE EMBANKMENT NOR WITHIN 25 FEET OF THE PRINCIPAL SPILLWAY STRUCTURE PRESENT DURING THE CORE SAMPLING. A THE ENSURE CAN THE DOWNSTREAM SIDE OF ALL EMBANKMENTS SHALL MAXIMUM SLOPE I 65- 6. "5- GREAT TTHAT AND AROUND THE DST ROOCPLLAT ATIO AND, NDTHEREFORE, HER FOAL MAY LELO PREYS TURF CONSTRUCTION PROCESS,OR LOSS OFVIGO.A ARULE OF DENSITY PLTN COMPACTED SOILSBE THREE 5. 4. ;z ' �q„ %, TREAT DEEP REND NADER THAN DIAMETOOT ER OF F TRE000TUATIHOR EAWANDEUHLTOPRCU,AND FIVE TIMES DP DEEPER OF DERFOR A NTAINER.G PLANTINGOWNSTO MODS SHOULD BE THREE S.CONTRARORAIIAED WTH TUU ASI ESLL AVATIO OALL OSNAREOUIREMENTS.PDDIiIONALLY,SPEUAL ATTENITON SHALL BE GNENTO THE CONSTRUCTION IA � TIMSTEDPTHE LNDSCARNGPLAN SHAD.AVOIOSECIES TBALLWRE FULLSRBURWSRE PKANDOWND DAAGE.E AND XTRA ULC AROUND THE FTREE SHORINGASSOCIATEDWTMTHE BASIN IXCAYATION rt: Y'T'(�8 'J'P D°`'t"T 4SJONAL Y' , 7.IF RECOMMENDED LA A MEANS FLANSMALLNG SPECIESTHAT REQUIRE G EEDS IF OR NTS PRONE BE INSTALLED. EXTRA MULCHING AROUNDTHE BASEOFTRES AND SHRU855STRONGLY V RENTRA TOA MOISTUREERVING AND SUPPRESSING WEEDS PLANTSIF ARE TO BE INSTALLED. GENERALMINIMUM MEANS: COO ���qq%,,, CONTRACTOR REQUIREMENTS: N.MET ANDUE IN ACCORDANCE WITH D FORTH PCTSTD.PBn SHALL BE METEOR PIPE BEDDING AND BAC161LL.TFff MINONUM HEIGHT OF COVER FOR PIPS SHALL BE 'en , 1.THE CONTRACTOR SHALL BE RESPONSIBLE FOR LAYOUT OF ALL WORK COVERED UNDER THESE PLANS. MET AND BE MACCORDANCE WITH VDOT STD.PC-i • 917 t,'� 2.LANDSCAPE CONTRACTOR SHALL REFER TO THE STANDARDIZED LANDSCAPE SPECIFICATIONS FOR THE STATE OF VIRGINIA FOR ADDITIONAL INFORMATION.THE CONTRAROR SHALL ABIDE BY ITS A.ALL FILL SNAIL BE PLACED AT 95%COMPACION ANOTFSTED BYA GEOTECHMCAL ENGINEER TO ENSURE COMPACTION LS REACHED AND MAINTAINED. V CONTENTS;HOWEVER ANY HOTS OR SPECIFICATION50NTHE PLANS SHALL SUPERSEDE THOSE OUTLINED IN THE SPECIFICATIONS MANUAL(COPIES ARE AVAILABLE FOR A FEE FROM THE VIRGINIA 3 PRIORTO CONSTRUCTIONTXECONTRAROR SHALL TEST-DIGATTNEEXISTNGINIET$GUTTER, TO CONFIRM BUILDINGS.THE EATS AND TO ENSURE THE PROPOSED GRADS CHAPTER OF THE AMERICANSOCIETY OF IAN DSCAPE ARCHITECTS,VIRGINIA NURSERYMEN'S ASSOCIATION,INC AND THE VIRGINIA SOCIETY OF LANDSCAPE DESIGNERS). ENNNEERNLG OF ANY CTESINSHALL HE ORZONTA ORVNRSCAWG LALIGNMENTNS OF RIOR TO PAVEMENT ANDCONSTRUCTION. CONTRACTOR SHALL NOTIFY COLLINS - 3.ALL PLANT MATERIAL SHALL MEET THE MINIMUM SPECIFICATIONS AND STANDARDS DESCRIBED IN THE CURRENT LISLE OF THE AMERICAN STANDARD FOR NURSERY STOOL,PUBLISHED BY THE AMERIEAN ENGINEERWGOFANY DISCREPANOSIN0S HORIZONTAL OR VFA7ICALAUGNMENTPRIOVER FO ORDERING AND CONSTRUCTION. ASSOCIATION OF NURSERYMEN,IZSOSTREFT,NW,SURE SOQ WASHINGTON,DC 20005. 4.ALL PROPOSED SLOPS STEEPER THAN 3'A SHALL HAVEA LOW MAINTENANCE GROUND COVER FOR STABILIZATION PURPOSE.THESE AREAS SHALL NOT BE PLANTED MINA GRASS COVER FOR STABILIZATION&SHALL BEA GROUND COVER CHOSEN FROM TABLE3.37C OF THE VESCH UNLESS OTHERWISE DIRECTED BYTHE INSPECTOR iEOTri»Uric, 4.THE CONTRACTOR SHALL VERIFY ALL DIMENSIONS IN THE FIELD AND NOTIFY THE DESIGNER OF ANY VARIANCE FROM THE PLAN. 5.ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WM1 OSHA STANDARDS FOR CONSTRUCTION INDUSTRY(29 CFR PART 6). 5.THE LANDSCAPE CONTRACTOR IS RESPONSIBLE FOR VERIFYING THE LOCATION OF ANY°NOTE UTILMES MALL MISS UTILITY I-BW-552-7001 BEFORE ANY EXCAVATION). 132 '.a�«6.REFER TO THE APPROVED FINAL SITE PLANS FOR ANY DETAILED SITE INFORMATION. SWM FOREST&OPEN SPACE EASEMENT NOTES: R' 1f4:172PC R+ti.64.li)mi.1) 7,ALL WORK SHALL BE COORDINATED WITH OTHER PARTIES. 3.NUTRIENT CREDITS WILL BE REQUIRED TO BE PURCHASED FOR THIS DEVELOPMENT PRIOR TOVSMP PLAN APPROVAL SWM'IS AN ACRONYM FOR STORMWATER re rl&PLANTS,WHEN APPUCARLE,WILL BE PREPARED FOR SHIPMENT IN A MANNER THAT WILL NOT CAUSE DAMAGE TO THE BARK,BUDS,BRANCHES,STEMS,OR OVERALL SHAPE OF THE STOCK CONTAINER MANAGEMENT. GROWN PLANTS WILL BE TRANSPORTED IN THE CONTAINERS IN WHICH THEY HAVE BEEN GROWN. UJ 4.TILLHE WMREh OREST AND TURBOPEN ED NSPACE NATUR EASEMENT'S SUBJECTSTTOTHEGUI FOR ACTIVITIES TA BVDEO EDDY VIRGINITHE L PROGRAM AMANAGEMSUCH AS FORE THEAREAS 9.ALL PLANT MATERIAL,WHEN APPLICABLE AND NOT OTHERWISE SPECIFIED,SHALL BE UNIFORMLY BRANCHED AND HAVER VIGOROUS ROOT SWIM.PUNT MATERIAL SHALL BE HEALTHY,VIGOROUS, � T WANAGM ENT,ONTROLOFIW INVASIVE SPECIES, DEPT VEUET ,PAAS ERECREATIOYTME LOCAL)ROGRAMI EDBUSH HSGGINGTO ET 3 -3 NDnI. ASIV-rnt t AND FREE FROM DEFECTS,DECAY,DISEASES,INSECT PEST EGGS,AND ALL FORMS OF INiSTATON.ALL PUNT MATERIAL SRAtLBEFRESH,FREE FROMTPANSPUNi SHOCK OR VISIBLE WILL.PLANTS . ry).�'u•.Rt9$ f DEEMED UNHEALTHY WILL BE REJECTED. MANAGEMENT.CONTROLMOREPLANFNUTIMESA YEAR).WG,PREENS RECREATION(e.g.TRAILS),AND LIMITED BUSH HOGGING TO MAINTAIN jO y_;ay-, °.KA .A1;10.)),'10.ALLCONTAINERSTOCKPLANTINGSSHALLHAVE BEEN PROPAGATED INACONTAINER LONG ENOUGH FORTHE ROOT SYSTEM TO HAVE DEVELOPED SUFFICIENTLYTO HOLD ITS SOIL CONTAINER STOCKDEIREDVEGETATIVECOMMUNITY(BUTNOMORETNANFOURTMESAYEAR). ��'}} tiVPJ it W O V B4RStW Ann v+'eQn�'t'rv WITH POORLY DEVELOPED ROOT SYSTEMS WILL NOT BEACCEPTED. O ' -° O 11.PLANTS NOT INSTD ON THE DAY OF ARRIVAL ON SITE SHALL BE STORED AND PROTECTED BYTXE CONTAINER.OUTSIDE STORAGE AREAS W Ill BE SHADED AND PROTECTED FROM THE WIND AND SUN. <PLANTSSTOREDONSITESHALL BE PROTECTEDFROM ANYDRYINGATALLTIMESBYCOVERINGTHE BALLSORROOTSWITH MOISTSAWDUST,WETBURLAP,WOODOHIPS,SHREDDED BARK,PUT MOSS,OR - /1!'00OTHERSIMILAR MULCHING MATERIAL lJ iVaV.11NE12.THEOWNER RESERVESTHE RIGHTTOSUBSTITUTE PUNTMATERIALTYPE,SIZE AND/ORQUANTITY.ANYSUBSTITUTIONS MUST BEAPPROVEDBYTHE LOCALMUNICIPAUTY's REVIEWAGENR. • . '-'- '�ST"I w m ~ V 13.MINOR FIELD ADJUSTMENTS MAY BE NECESSARY DUE TO SITE CONDITIONS EC ROOTRALL AND UTILITY CONRI ',I• sb`mvt'taL s'!A J y'aEr' ,,ww ( R2 MAJOR ADJUSTMENTS MUST BE APPROVED BY THE DESIGNER K:.-k{., Y/ O 1.N0PUNTINGSHAH LLBEPLACED THE SOIL IS SOIL OIL W. 15.PLANT MATERIAL SHALL REPLACED IN EXISTING SOILWITH EACH PLANTING PIT EXCAVATED TOASIZF SUFFICIENT TOCONTNNTHE SNORE ROOT BAILOR ROOT MASS,WITHOUT CRAMPING ROOT STOCK Z N aC w 16.THE CONTRACTOR SHALL MAINTAIN A ONE(1)CALENDAR YEAR 90%CARE AND REPLACEMENT WARRANTY FOR ALL PLANTINGS.THE PERIOD OF CARE AND REPLACEMENT SHALL BEGIN AFTER INSPECTION lEVI1s)rRel•ru:IIRYLc:.III 0 I+ T AND APPROVAL OF THE COMPLETE INSTALLATION OF ALL PLANTS AND CONTINUE FOR ONE CALENDAR YEAR ".^.=1f8'•t+t'9sa A'IU'JJa"'dmte Z C Q 17.THE CONTRACTOR IS RESPONSIBLE FOR REMOVAL AND DISPOSAL OF TRASH MD DEBRIS WITHIN THE UMITS OF THE PLANTING ON A DAILY BASS FILTERRA BIOSCAPE VAULT DETAILS-CONSTRUCTION SHALL ADHERE TO FILTERRA STANDARDS-CONTACT GLEN PAYTON-GPAYTON@CONTECHES.COM FOR DETAILS CCCAOra Grurn,...a c " 1B.THE CONTRACTOR WILL NOT BE RESPONSIBLE FOR PLANT MATERIAL THAT HAS BEEN DAMAGED BY VANDALISM,FIRE,OR OTHER ACTIVITIES BEYOND THE CONTRACTOR'S CONTROL -R' Al ,,upl ' ~ w c!,•wnca tux Or rq.4'.ml 22 FACILITY CONSTRUCTION (yI/) 0 D.THE DETENTION CELL MAY SERVE AS A SEDIMENT BASIN DURING PROJECT CONSTRUCTION.IF DIG IS DONE,THE VOLUME SHALL BE BASED ON THE MORE STRINGENT SIZING RULE(EROSION AND ,,,1,7,r A„i VIA NN4C'- K1 SEDIMENT CONTROL REQUIREMENTS VS.WATER QUALITY&QUANTITY TREATMENT REQUIREMENTS).INSTALLATION OF THE PERMANENT RISER SHALL BE INITIATED DURING THE CONSTRUCTION PHASE. _ �GsN.I AND DESIGN ELEVATIONS SHALL BE SET WITH FINAL CLEANOLJT OF THE SEDIMENT BASIN AND CONVERSION TO THE POST.CONSTRUCTION DETENTION CELL IN MIND.THE BOTTOM ELEVATION OF THE .. •Cet''''', -,- �S10N -- a DETENTION CELL SHALL BE LOWER THAN THE BOTTOM ELEVATION OF THE TEMPORARY SEDIMENT BASIN WHENEVER POSSIBLE.APPROPRIATE PROCEDURES SHALL BE IMPLEMENTED TO PREVENT -`i R -• W �M MiL,stLBLTAUA:aN DISCHARGE OF TURBID WATERS WHEN DEBASIN BEING 6 GCONVERTED INTO AN ED POND. --- -__ _{-����___--_9� _ - L DETENTION CELLS SHALL ONLY BE CONSTRUCTED AFTER THE CONTRIBUTING DRAINAGE AREA TO THE CELL LSCOMPLETELY STABILIZED.IF THE PROPOSED DETENTION CELL WILL BE USED ASA SEDIMENT - .:. ��_ I uT� f I:ato. RDFrlr...P W TRAP OR BASIN DURING THE CONSTRUCTION PHASE,THEN THE FACILITY WILL BE DEWATERED,DREDGED AND RE-GRADED TO DESIGN DIMENSIONS AFTER THE ORIGINAL SITE CONSTRUCTION IS COMPLETE. _ • _ 0 3.INSTALL E&SCONTROS PRIOR TO CONSTRUCTION OF THE DETENTION CELL INCWDING TEMPORARY DE-WATERING DEVICES AND STORMWATER DIVERSION PRACTICES-ALL AREAS SURROUNDING THE '.'I ueK'e•p .MlppgOt -' O a • CELL THAT ARE GRADED OR DENUDED DURING CONSTRUCTION SHALL BE PLANTED WITH TURF GRASS,NATIVE PLANTINGS,OR OTHER APPROVED METHODS OF SOIL STABILIZATION. b�� - -'I •I I '�.1"'''t" �+.'t»,TtF�. •'. f ;� tAm �;"X•2',0. ! h 4.CONTRACTOR SHALL EXCAVATE THE CORE TRENCH AND INSTALL THE SPILLWAY PIPE DURING THE ESC PHASE. I J jjAx.-"y^.�^AI=L•''t:"sN:'•i-' 1 •�T D.C.W w•GTRATv, ,,, y +'F.a ©:i ,�.iu+tt` S.CONTRACTOR SHALL ALSO INSTALL THE RISER,OUTFLOW STRUCTURE AND/OR AND BARRELS)DURING THE ESC PHASE TO ENSUR THE TOP INVERT OF THE OVERFLOW WEIR IS CONSTRUCTED LEVEL AT A�b.l>.)•••� ) ^� _7A. V.I." ~, I✓f..-n-4"" "' 1 THE DESIGN ELEVATION. T j �' .,,,.,Y.»_`.r,::a::•;.•'.,..y. ., it4tY:T EUIENKt ORNT uus)utstpl • _ �j \a • `qI, I . ::I I I. ..„",,l,9'::S 4;„....,1:ti-'4 r , Na nl,a, ° ti 6.THE CONTIWRORSHALL THEN CONSTRUCT THE EMBANKMENT AND ANY INTERNAL BERMS INAPPLICABLE)IN 8T012-INCH LIFTS AND COMPACT THE LIFTS WITH APPROPRIATE EQUIPMENT.THE ) I )',` 'I ) tvV.n t ITtA I CONTRACTOR SHALL ALSO ADHERE TI)THE CLAY LINER SPECFICATIONS OIRUNEDIN TABLE I4A BELOW: L c,-I )�, f T fiRRFFRA 1ertMemm }•iNW - NRRRiRc�ma ._ --__-~ r ` '` 04`. `ufi"RA �1^IC Vi31 E. Pity ASTMA2A34 I CRABS 'LOTUL i - „ _,-""- m p@ FWC'.IDQ IS504MCA' ASYMD4 42d I_Y •NAIMI111s25 : PLAN VIEW. D - SECTION B-B.A _ o i a m {aAPmlAtlIANCay_ ASTM I>21.H (._..A._.�WlJIR OIARVIEE._ ._: `�]T Gtr!_J lsilu rnsEQ '"&UMW.IQ I Ti NMI!.YUIi30 7'ST+T�T-s`L /w+L(s `TIC r�'R.E..uai8d •~`: m F. I CtaYOMOt ..1 ASTM 0321E t % PS%CA WHISAN p0.10,4 mLY[ • DEBRIS wZ. ,CA GE' SILU1TI(�}N, R I). ,tr.Ya'3HN VIA6fn:VI.IWIRA,.A.,:,R.:.,ALAIIANYFO T HSMBSHI(TKM} • INC,- BT7-117.-5727 7.UPON COMPLETION OF THE EMBANKMENT GRADING,THE CONTRACTOR SHALL EXCAVATE/GRADE UNTIL THE APPROPRIATE ELEVATTON AND DESIRED CONTOURS ARE ACHIEVED FOR THE BOTTOM AND • (DR EOUNAIHrt) .x6:.G+rz.4.4406. SIDE SLOPES OF THE DETENTION CELL. • B FONTRACTORSHC ION OF ALL OUTLET THE EMERGENCYTUEINCLUDING DO CUT ORSTRUCTURALLY STABILIZEDSOILS. - .r�+t. ,y ,pp a�A� . b ra - O 9.FINISH ONTACTOR SHALL HEN ALLOTR CT STRUCTURES, Y SPILLWAY YIN CUT ORSRU-TUPAPRON PROTECTION. _ate•• f lO.THE CONTRACTOR SHALL NEXT STABILIZE EXPOSFDSOIS WHIN TEMPORARY SEED MIXTURES APPROPRIATE POP THE CELL K,py,��.d .P- x M a, MINECONTRACTOR SHALL THEN INSTALL THE LANDSCAPING IF APPLICABLE. C �+ J K'yTH� y pR�owt awrtnS Cr)]2.ALLCONSTRURION SHALLADHERE TO THE VIRGINIA DEQ POST[ONSTRURION BMP CLEARINGHOUSE REQUIREMENTS SET FORTH IN DESIGN SPECIFICATION NUMBER IS. • t A ��.��, YM FACILITY MAINTENANCE: j --- f-"�''-_ N • nP,B.„,_....,. '- "--lx•LALai T.IMMO_IMANIE.rsOKtMNLIALGRS atitesw�Tle0MTIIM C EMBANKMENT NOTES: 2'^":A� -- A.MAKtun WRAvxuaa AttTRMAYMIMxue.w4M AFTER AN INVESTIGATION OF THE ERE'SOILS,SITE WOO,AN ANALYSIS OF THE SURVEYED TOPOGRAPHY MAINTENANCE OF DETENTION CELLS IS DRIVEN BY ANNUAL INSPECTIONS THAT EVALUATE THE CONDITION AND PERFORMANCE OF THE CELL DURING THESE INSPECTIONS THE FOLLOWING TASKS SHALL BE 1' L f`: " ' (- . i :^vk�. : wEei,�a NKTVata.o-oe °� AyP AND AN EXAMINATION OF VA DEQAPPENDIXA:EARTHEN EMBANKMENT(REQUIREMENTS vs. O PERFORMED BY THE CONTRACTOR IN THE FIRST YEAR FOLLOWING INSTALLATION,AND THE OWNER THEREAFTER: b a= Y 3 " ' -"-' '� � 4At T,MEASURE SEDIMENT ACCUMULATION LEVELS. E„ -I-I .......,.:,.Ran:,,-.1....,.,BE 1-1,�,'::r1242Z Ate . 'C.GremeA.> BrmaaonsirwLOC.tr meow,mct._C te' RECOMMENDATIONS),THE APPLICANT HAS PROVIDED A COMPREHENSIVE EMBANKMENT DESIGN THAT DOS N 2.MONITOR THE GROWTH OF WETLANDS,TREES AND SHRUBS PLANTED.ASAPPUCABLE RECORD THE SPECIES AND THEIRAPPROKIMATE COVERAGE,AND NOTE THE PRESENCE OF ANY INVASIVE PLANT ,'• e w,a a GTOA"-VIIF µ:0000 F MII IMM00• NOT NEED A GEOTECNNICAL STUDY ATTICS TIME SUCH IS THE CASE DUET°THE PRECAUTIONARY TA SPECIES,AS APPLICABLE. FTB»TT.I '" -tsta.$)a`� . . "' .. ,-..-- EMBANKMENT DESIGNS PROPOSED.A SUMMARY OF THE EMBANKMENT DESIGN REQUIREMENTS ARE LISTED CO 3.INSPECT THE CONDITION OF STORMWATER INLETS TO THE POND FOR MATERIAL DAMAGE,EROSION OR UNDERCUTTING. x�~ A{ le SHL'B).` ' J ._Q,QUCN*'_ BELOW,MANDATING THE CONTRACTOR MEET THESE REQUIREMENTS AT A MINIMUM. 4,INSPECTTHE BANKS OF UPSTREAM AND DOWNSTREAM CHANNES FOR EVIDENCE OF SLOUGHING•ANIMAL BURROWS,BOGGY AREAS,WOODY GROWTH,OR GULLY EROSION THAT MAY UNDERMINE WIARS ww•-64nisRLOOH i.n. `� EMBANKMENTTHEOUTTEGRTY. ;SECTION' SECTION CL•' ''R n THE EMBANKMENTS SHALL HAVE ACOMPACTED CLAY CORE WITH A[UU.B TRENCH&BE IN ACCORDANCE TTI 5.INSPERTHE OUTFALL CiANNELFOR EROSION,UNDERCUTTING,RIP-RAP DGPUCEMENT,WOODY GROWTH,ETC - -- .n � s Am'BKYaRE.HFJ'>:H2PLL:rtAAVR WITH THE DETAIS SHOWN ON THIS SHEET.BERMS AND SPILLWAYS SHALL BE STABNZED WITH EC-3 MATTING eteMANWAspLMAIMItEUTY•_NH FUIYV Gn 6.INSPECT CONDITION OF PRINCIPAL SPILLWAY AND RISER FOR EVIDENCE OF SPAWNG,JOINT FAILURE,LEAKAGE,CORROSION OR OTHER FAILURES =TO MO.%AIHE' ,. .•MMYNOo�AIVNO,AAMITO &THE REMAINING DISWABED SLOPES SHALL BE STABILIZED WITH EC-2 MATTING.ALL BERM FILL MATERIAL 7.INSPECT CONDITION OF ALL TRASH RACKS,REVERSE SLOPED PIPES OR FIASHBOARD RISERS FOR EVIDENCE OF CLOGGING,LEAKAGE,DEBRIS ACCUMULATION OR OTHER FAIWRS. G comeE4CMITAMMI•TUEGRS�iWt '4'L1tt�tttim xMn SHALL CONSIST OFML.C4 SC ORGCSOIS&BEFREE OF WOOD,ROOTS,ROCKS ORANY OTHER NON Q 8 INSPECT MAINTENANCE ACCESS TO ENSURE R IS FREE OF WOODY VEGETATION,AND CHECK TO SEE WHETHER VALVES,MANHOLES AND LOCYS CAN BE OPENED AND OPERATED. ,r EFWO.OE• COMPARING SOIL COMPACTED FILL SHALL BE PROCTOR MAXIMUM DRY DENSITY ASTM D59B AND HAVE A a Li - B.INSPECT INTERNAL AND EXTERNAL SIDE SLOPES OF THE POND FOR EVIDENCE OF SPARSE VEGETATIVE COVER,EROSION,OR SLUMPING,AND MAKE NEEDED REPAIRS IMMEDIATELY. P.AHERMVEOO'IRA'aeNeWsw OITLO RR,moirmOC...t+NTO', MINIMUM OF 95%OF MAXIMUM DRY DENSITY AND 2%OF OPTIMUM MOISTURE CONTENT. FILL FACILITY INSPECTION: "_ i!R''""'w 4TSARAU' MATERIAL AND CONSTRUCTION SHALL BE APPROVED BYANONSITEGEOT:CNNICAL ENGINEER PRESENT N IJ.1 J '"'C FhReTaMVSTa�.WMACOMA'0.'LTAOtCCF1TIbRrYylRm6YLM'.i:., MULTIPLE INSPECTIONS ARE CRITICAL TO ENSURE THE CELLIST ARE PROPERLY CONSTRUCTED,BECAUSE THE TIMING OF THE INSTALLATION IS DICTATED BY THE CONTRACTOR,THE CONTRACTOR SHALL BE SV DURING THE CONSTRUCTION OF THE EMBANKMENTS AND FILL AREAS. N C -y° RESPONSIBLE FOR CONTACTING THE ENGINEER AND INSPECTOR PRIOR TO INSTALLATON.MULTIPLE SITE VISITS AND INSPECTIONS ARE REQUIRED TO RESCHEDULED BY THE CONTRACTOR WITH THE r' mtoKMMTOYAIMI11RI 1t..«TD,RPN AAUP L !RNOYICI.AVIMI 0.0ZI M4RB.ES IMOMM VP_-Batl.Almi ENGINEER AND INSPECTOR,DURING THE FOLLOWING STAGES OF THE CELLS CONSTRUCTION PROCESS: •C•RIILPUGQ erg ORH,tq&KwEERVA TIYUSRRAAFStnpwC �{ TNONOM(000I MMENINCIAIM IMWMTAPLMSAM11FCIF,FSXy \\` 0 I R 1.PRE-CONSTRUCTION MEETING '•`VMS,"KAAIMotw�T J9010 DUUOINIExoa wAlrNNs / W 3 8 Z.INITIAL SITE PREPARATION(INCLUDING INSTALLATION OF PROJECT lAS CONTROLS) • SF•CTIOIJ A�.-.g.^n G. GI�.�PHIC�I.IJE F-'LiZ S ` Q on u 3.EXCAVATION/GRADING(LG.,INTERIM/FINALELEVATIONS) Z J o_ 4.DETENTION CELL INSTALLATION(E.G„INTERIM AND FINAL ELEVATIONS) J °u 5.INSTALLATION OF THE EMBANKMENT,THE RISER/PRIMARY SPILLWAY,AND THE OUTLETSTRUCTLJRE(S). 6.PLANTING RUSE,IF APPLICABLE(WITH AN EXPERIENCED LANDSCAPE ARCHITECT PRESENT) Z 7.FINAL INSPECTION(DEVELOP A PUNCH UST FOR FACILITY ACCEPTANCE) A :PTgeatInmi'''':4::*11:-.*1*11' W s OFFLINE FILTERRA BIOSCAPE VAULT CONSTRUCTION NOTES. - , _ ' :-� Z p Z StalTnRaxTM'ROUND SERIES.TRASH RACK (DREQXNALENT)FACILITY PLANTING SPECIFICATIONS: cixaDRETEMANJnX.E .�ti�, Q �' Qa1.CONTRACTOR SHALL SELECT AN APPROPRIATE PLANT FROM CONTECH's APPROVED UST.CONTRACTOR SHALLCONSULT CONTECH ENGINEERED SOLUTIONS FOR PLANT DETAILS.RANT SELECTION ':STANDARD WINCH RACK SHOWN; ,K ,.,. iniii 1• FROM THE APPROVED CONTEXT MID-ATLANTIC REGION'FILTERRA BIOSCAPE PLANT USr IS REQUIRED. "• '• ild _ CONTRACTOR REQUIREMENTS: tYMENSII>16 u'{INtCN9ES ,. .'JDbI 1.THE CONTRACTOR SHALL BE RESPONSIBLE FOR LAYOUT OF ALL WORK COVERED UNDER THESE PUNS • Ill A LL o- 2.THE CONTRACTOR SHALL CONSULT WTHCONTECH ENGINEERING FORSPEONC MANUFACTURER REQUIREMENTS.THE CONTRACTOR SHALL CONSULT WITH CONTECH ENGINEERING PRIOR TO eeee--•----- ATAxTwIL PASOR' TYPICAL HOMOGENEOUS T �- I- E' CONSTRUCTION AND ENSURE ENOUGH LEAD TIME IS PROVIDED TO AVOID DELAYS FOR MANUFACTURING. �'N ARYCG;UA;I RA AC'.' EMBANKMENT ^ �/ 3.THE CONTRACTOR SHALL VERIFY ALL DIMENSIONS IN THE FIELD AND NOTIFY THE DESIGNER OF ANY VARIANCE FROM THE PLAN. • ^� _ ■ < < c o 4.THE CONTRACTOR GRESPONSIBLE FOR VERIFYING THE LOCATION OF ANY ONSITE UTILITIES(CALL MISS MLT'1-80055Z-7001 BEFORE ANY EXCAVATION). 1- - v W 5.REFER TO THE APPROVED FINAL SITE PLANS FOR ANY DETAILED SITE INFORMATION. 1_ i 2 6.ALL WORK SHALL BE COORDINATED WITH OTHER PARTIES. ' I tJ ry,4• RFAL^rnRt� �j W 7.THE CONTRACTOR SHALL MAINTAIN A ONE(1)CALENDAR YEAR 90%CARE AND REPLACEMENT WARRANTY FOR ALL PLANTINGS.THE PERIOD OF CARE AND REPLACEMENT SHALL BEGIN AFTER '/• w L o INSPECTION AND APPROVAL OF THE COMPLETE INSTALLATION OF ALL PLANTS AND CONTINUE FOR ONE CALENDAR YEAR /•�,!� �_ + -" ll L. TTaaITS6D0 Idl N i B.THE CONTRACTOR IS RESPONSIBLE FOR REMOVAL AND DISPOSAL OF TRASH AND DEBRIS WITHIN THE LIMITS OF THE PLANTING ON A DAILY BASIS tOJ��T� �" ✓ a R • ..,,..����tt ''n^ CC 9.THE CONTRACTOR WILL NOT BE RESPONSIBLE FOR PLANT MATERIAL THAT HAS BEEN DAMAGED BY VANOAUSM,FIRE,OR OTHER ACTIVITIES BEYOND THE CONTRACTOR'S CONTROL j--.__':''_T;-ad '� s y g•�•'+- Z v/ O No FACILITY CONSTRUCTION 'I; ',I^ .. i ' '1 1.THE CONTRACTOR SHALL WORKCLOSELYWITH CONTECH ENGINEERING TO ENSURE ALL THE MINIMUM MANUFACTURER REQUIREMENTS ARE MET. ' DDi 2.THE FILTERRA BIOSCAPE VAULT SHALLOMY BE CONSTRUCTED AFTER THE CONTRIBUTING DRAINAGE AREA TO THE BMP G COMPLETELY STABILIZED Y•+"-�'. r e"•J -{"" C0tK8�T W 3.INSTALL E&S CONTROLS PRIOR TO CONSTRUCTION OF THE BMP INCLUDING STORMWATER DIVERSION AND FILTERING PRACTICES.ALL AREAS SURROUNDING THE BMP THAT ME GRADED OR K��• P I t y.�i'.'°:'� `` j •-FL410TQIOd i�IIECIOT OiDiBW'IIi9LT Z Cl) �a e. .- .i `j .. • r DUTBOYi°D EJD6J e E'I II7DJ2) !y DENUDED DURING CONSTRUCTION SHALL BE PLANTED WITH TURF GRASS,NATIVE PLANTINGS,OR OTHER APPROVED METHODS OF SOILSTABILRATON. ' 4.CONTRACTOR SHALL ENTIRE THE INLET CONVEYING RUNOFF TO THE FlLTERRABIOSCAPE VAULT GADEQUATE AND STABILIZED. r %�-�'; t L (t.�; MI BLANKET aRA1N' M 5.THE CONTRACTOR SHALL NEXT STABOZE EXPOSED SOILS WITH TEMPORARY SEED MIXTURES APPROPRIATE FOR THE SURROUNDING AREA '*+ i-- , '"•t „ 'n `o H.THE[ONTRARORSHALL THEN INSTALL THE VAULT AND ITS OUTLET. ,try=�.l��.� � ■ v' 0 THE CONTRACTOR SHALL THEN COMPLETE THE FILTERRA BIOSCAPE VAULT CONSTRUCTION BY AWNG ITS INTERNAL COMPONENTS.CONSTRUCTION SHALL ADHERE TO THE VIRGINIA DEQ POST --- - J CONSTRUCTION BMP CLEARINGHOUSE REQUIREMENTS AND CONTECH ENGINEERING'S REQUIREMENTS. FACILITY MAINTENANCE: 'PLAN SIDE'VIEW ISOMETRIC f MAINTENANCE OF FILTERRA BIOSCAPE VAULT SHALL BE IN ACCORDANCE WITH THE MANUFACTURER'S MINIMUM REQUIREMENTS,WHICH ARE SUMMARIZED BELOW.MAINTENANCE INSPECTIONS W L 3 SHALL OCCUR ANNUALLY AND AFTER EACH SIGNIFICANT RAINFALL EVENT.THE FOLLOWING TASKS SHALL BE PERFORMED BY THE CONTRACTOR IN THE FIRST YEAR FOLLOWING INSTALLATION,AND cc THE OWNER THEREAFTER: -' &L v 1.INSPECTION OF ALTEURA AND SURROUNDING AREA 7 SITYM.jyCFB MEOt2 2.REMOVAL OF TREE GRATE AND EROSION CONTROL STONES -STOTtnRa9(TL'RmJTtd SMICSfl7T,(;4TQETCMB1TIi01e 'CDNCREfE STRUCTURE t»MENt'ONB - f. Md$L np��a,, 4.MULCH REPLACEMENT3.REMOVAL OF BR NAND MULCH. PaRX0. IYmA �J8 •WmC AHD XIIAOD I P RYH�' L E 5.CLEAN AREAAROUND ILTERRA . arm.- 'ION. ( 2430-,1. 'II., 1 ,I4 SD INSJOESTRUCNREDIMEDGK)N grovel rrTnT - 6.COMPLETE PAPERWORK AND RECORD PLANT I1ELGNT AND WIDTH 111-24 T _ 'OUTSIOES'TRUCTUREDIME'NSICY4 I Slot No ATGRi V FACII,ITY INSPECTION: Rs3B': u3„ ! .14YT. 4° .35 Ts3 `'.. U O °a �-:� E u;A UB:./91 II '13 `54, RM8 :T7� AVM ARtF OPTIONS ' MULTIPLE HETIMINGOFTHE INSTALLATION URE IS DICTATED RA THE OSGACTOR.PE VAULT HECONT OPERATING ACTOR SHALL BE ND LSRESPONSIBLE NSIBLE FORCONSTRUCTED IN ACING THEEWTHTNEMANUFAR AND REQUIREMENTS.. (Oy�,,• .21s�, I 1& �•yA. (, �'TZ R,m TIpTg`GWI(112t'' (�f rj - BECAUSE THETIMINGOFTHEINSTALLATIONODICTATEDBYMECONTRACTORTHE CONTRACTOR SHALL BE RESPONSIBLE CONTACTING THE ENGINEER,INSPECTOR AND CONTECH - REPRESENTATIVE PRORTOINSTALUTION.MULTIPLE SITE VISITS AND INSPECTIONS ARE REQUIRED TO RE SCHEDULED BY THE CONTRACTOR.WITH THESE 3 PARTIES,DURING THE FOLLOWING STAGS CROSS BRACING FOR OVERHANG _ CHIMNEY DRAIN TOE DRAIN U, N - OFTNEBMPSCONSTRURIONPROCFSS: 'MOPE ANT(NOM<PLATE' : (REQD) c L PRE-CONSTRUCTION MEETING JOB N0. °w 2.INITIAL SITE PREPARATION(INCLUDING INSTALLATION OF PROJECT EJS CONTROLS) Piaslic S Iutionsc LITEG� III . 092033 3.EXCAVATION/GRADING(E.G.INTERIM/FINAL ELEVATIONS) / TOBat43R6,WGEAB.UF.YA2IYDA . JET _ 4,FILTERRA BIOSCAPE VAULT&OUTLET INSTALLATION(E.G.,INTERIM AND FINAL ELEVATIONS) t' 2WIF 2w'R4 A&H3.RSA,.TA O2503 (.����� SCALE S.INSTALLATION OF THE VAULTS INTERNAL COMPONENTS S7TB77.572PR4HBF MOT: Wino 1 SONKC:SG.E7tyrfNseri7�P Fin�QR{.nmal A.FINAL INSPECTION(DEVELOP A PUNCH UST FOR FACILITY ACCEPTANCE) )3GUli 272.22E99a ) }. AS SHOWN .. Ma /VEUIY ULARNAAMMUMA , - pE,A;; .. Fig�A-1A.$OnIDge23ADus EnPZ1UukOenis.eSee�7age Controls. SHEET NO. • 6 �T LEGEND GENERAL NOTES EROSION CONTROL NOTESEROSION CONTROL NOTES & NARRATIVE TH OF DESCRIPTION OF EROSION & SEDIMENT P ROADS 1. THE OWNER/CLIENT OF THIS PROPERTY IS: ES-1:UNLESS OTHERWISE INDICATED.ALL VEGETATIVE AND STRUCTURAL EROSION PURPOSE Q MOSS ACQUISITIONS AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND CONTROL MEASURES. THE PURPOSE OF THIS LAND-DISTURBING ACTIVITY IS TO CREATE A 93 LOT SUBDIVISION. THE TOTAL s� i L _1 EXISTING CULVERT 321 E MAIN STREET MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF ACREAGE TO BE DISTURBED KITH THIS PLAN IS 11.85 ACRES. ••�SCOTT R COLLINSZ CHARLOTTESVILLE, VA 22902 THE VIRGINIA_EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA FORM AND SEDIMENT CONTROL MEASURES. EXISTING SITE CON01770NS I CULVERT REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL IT IS ANTICIPATED THAT A CONSTRUCTION ENTRANCE TEMPORARY DIVERSION THE EXISTING SITE IS A WOODED HILLY PARCEL. THERE ARE TWO EXISTING HOUSES. THE SITE IS GENERALLY V No. 357B1 ,a AMITY ESTATES LLC REGULATIONS. DIKES RIGHT OF WAY DIVERSION,SEDIMENT TRAPS AND BASINS,OUTLET WELL DRAINED WITH SOME CRITICAL SLOPES EROSION AND SEDIMENT CONTROL MEASURES HAVE BEEN .D • riTh 0 DROP INLET&STRUCTURE NO. 455 SECOND STREET SE,5TH FLOOR ES-2 TINE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEIX PRIOR TO DESIGNED TO CONFORM TO THE EXISTING SITE SLOPE AND PROTECT THE ADJACENT PROPER DES 'Pb,A ' PROTECTION,INLET PROTECTION,AND SILT FENCE WILL BE INSTALLED TO ES/ORAL 6 I CURB CHARLOTTESVILLE VA 22902 THE PRE-CONSTRUCTION CONFERENCE,ONE WEEK PRIOR TO THE CONTROL SURFACE DRAINAGE TEMPORARY SING WILL BE USED IMMEDIATELY THEE 9CTE IS POSITIONED BETWEEN SCOTTSVILLE ROAD AND AVON STREET EXTENDED. ANNITY 1 IS WEST OF S H 2 THE DEVELOPER OF THIS PROPERTY IE COMMENCEMENT OF LAND DISTURBING ACTIVITY.AND ONE WEEK PRIOR TO CURB&GUTTER RIVERBEND DEVELOPMENT.INC. THE FINAL INSPECTION. FOLLOWING ALL LAND DISTURBANCE ACTIVITIES TEMPORARY STOCKPILE AREAS THE SITE. KAPPA SIGMA FRATERNITY HEADQUARTERS BORDERS THE SITE ON THE EAST. RESIDENTIAL LAND IS 321 E MAIN ST,SUITE 201 ES-3ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR WILL BE MAINTAINED FROM TOPSOIL THAT BILL BE STRIPPED FROM AREAS TO BE NORTH AND SOUTH OF THE SITE PROPOSED PAVEMENT C HRLOTTESVILLE VA 22902 TO OR AS THE FIRST STEP IN CLEARING GRADED AND STORED FOR LATER SPREADING STOCKPILE LOCATIONS SHALL BE OFFSI AND DI RBAN.E.' EC-3A DITCH ATTN:ALAN TAYLOR ES-4:A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL ON SITE AND SHALL BE STABILIZED WITH A TEMPORARY VEGETATIVE COVER. THE SITE WILL TIE INTO THE EXISTING ROADS OF AVINITY 1. THERE IS ALSO MINIMAL OFFSITE GRADING ALONG J. THESE PLANS HAVE BEEN PREPARED BY BE MAINTAINED ON THE SITE AT ALL TIMESTHE SOUTH BORDER INTO THE PEBBLE DRIVE ROW. 1 COLONS ENGINEERING INC ES-SPRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN PERMANENT SEEDING WILL BE PERFORMED FOR ALL AREAS WHICH BILL NO ERITICAL ARFAS: Oil DEPTH OF EC-3A DITCH 200 CARRELL STREET,SUITE K INDICATED ON THESE PLANS(INCLUDING BUT NOT LIMITED TO,OFF-SITE LONGER BE EXCAVATED AND WHERE CONSTRUCTION ACTIVITIES HAVE CEASED. CRITICAL SLOPES ON-SITE WILL BE PROTECTED. CARE BILL BE TAKEN TO PREVENT THE EROSION ANDGHRLOTIESNLL£, VA 22902 BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A PERMANENT SEEDING SHALL ALSO BE PERFORMED FOR ALL DENUDED AREASSEDIMENTATION OF THE EXISTING GRADE AND TO PROTECT NEIGHBORING PROPERTIES EC-2 DITCH TELEPHONE(434)293-3719 FACSIMILE (434)293-2813 SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR RENEW AND WHICH WILL BE LEFT DORMANT FOR A YEAR OR MORE SELECTION OF SEED SOILS: 4. SOURCE OF TOPO&SURVEY:SURVEY PROVIDED BY ROUDABUSH, GALE AND APPROVAL BY THE PLAN APPROVING AUTHORITY. MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. TEMPORARY SEEDING SEE SOILS BOUNDARIES ON THE EROSION AND SEDIMENT CONTROL PLAN PHASE 1 SHEET AND DESCRIPTIONS 0 DEPTH OF EC-2 DITCH ASSOCIATES DATED AUGUST 2013 TOPO FIELD VERIFIED 2013-016DECEMBER 2014. ES-6:THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL BILL BE PERFORMED FOR ALL DENUDED AREAS WHICH BILL BE LEFT DORMANT ON THIS SHEET. 5. ZONING PRO-PLANNED RESIDENTIAL DEVELOPMENT ZMA EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION ANDONsPOUFNCEH OF CONSTRU('7EON' EARTH DITCH 6. TAX MAP AND PARCEL NUMBER: 91-16C,91-76E 91-76A,91-14 SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. FOR MORE THAN SEVEN DAYS. THESE AREAS SHALL BE SEEDED WITH FAST 7. USGS DATUM:NAD 83 ES-7:ALL DISTURBED AREAS AREDRAIN TO TO APPROVED SEDIMENT CONTROL GERMINATING VEGETA ANON IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS1. NOTIFY ALBEMARLE COUNTY TO SCHEDULE A PRE-CONSTRUCTION NESTING AS REQUIRED. DRIVEWAY CULVERT 8. LOCATION/ADDRESS OF PROJECT EAST OF ANNITY/DEVELOPMENT MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. 2. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT THE f 9. TOTAL ACREAGE OF SITE 13.453 ACRES SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. APPROVAL FROM THE INSPECTOR ON THE PROJECT. M .} BENCH MARK 10.SITE PHASING:MAXIMUM FOUR PHASES ES-SOURING DEWATERING OPERATIONS, WATER BILL BE PUMPED INTO AN J. INSTALL THE PAVED CONSTRUCTION ENTRANCE WTH WASH RACK AS SHOWN ON THE PLANS. o E Pi 11.PUBLIC UTILITIES CONNECT TO EXISTING PUBUC SEWER AND WATER APPROVED WATER FILTERING DEVICE. 3.01 SAFETY FENCE-SAFETY FENCE WILL BE INSTALLED AROUND ALL CONSTRUCTION ENTRANCE TO BE INSTALLED WHERE CONSTRUCTION VEHICLE ROUTES INTERSECT PAVED CLEARING OMITS ES-9:THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PROPOSED SEDIMENT BASINS AND SEDIMENT TRAPS. PUBLIC ROADS,PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY(VEHICULAR) E a 8 1 •COLONS ENGINEERING SHALL NOT HAVE AUTHORITY OVER CONTRACTOR'S WORK, PERIODICALLY AND AFTER EACH RUNOFF-PRODUCING RAINFALL EVENT. 3.02 CONSTRUCTION ENTRANCE- ONE CONSTRUCTION ENTRANCE SHALL BE TRACKING ONTO THE PAVED SURFACE WHERE SEDIMENT IS TRANSPORTED ONTO A PUBLIC ROAD a k [D T VDOT STANDARD STOP SIGN SAFETY PRECAUTIONS SCHEDULES',OR COMPLIANCE WITH LAWS AND REGULATIONS ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELEFFELY. INSTALLED AT WESTIHATIVENESS U DRIVE THIS WILL BE THE ONLY POINT OF INGRESS REMOVED FROMSURFACE, THEROAD ROADS BY SHOVESHALL BE CLEANEDN OR STHOROUN AT THE G AND TRANSPORTING OF EACH TO A SEDIMENT CONTOBE •10 Q = P, EYE SHALL NOT ASSUME RESPONSIBILITY FOR ANY CONSTRUCTION STARTED PRIOR TO AND EGRESS TO THE SITE CARE WILL BE TAKEN TO PROTECT ADJACENTDE - ul -'---'"'---- EXISTING CONTOUR PLAN APPROVAL EROSION CONTROL NOTES ROADWAYS FROM TRANSFER OF SEDIMENT. DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS Z 68 g MANNER. INSTALL THE WASH RACK UPHILL FROM PROPOSED SEDIMENT BASIN ff.ACSA WII L DETERMINE 3.05 SILT IMLL BE THE METHOD OF I MP THE PARKNG AND CONSTRUCTION ENTRANCE ENCE- T E ATE ASH . - ---(E) PROPOSED CONTOUR EROSION & SEDIMENT CONTROL 7. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TV THE DISTURBANFCEE WHERELNOTEDCON THE PLANSCID ON THE DOWNSTREAM SIDE OF AREAS SHALLI BE CLEARED OF ALLPVEGETATION,WROOTS RACK OTHERR OBJECTIONABLE MATERIALS BEFORE O E oW MEASURES PRE-CO157RUCTION CONFERENCE ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND CONSTRUCTION ROAD STABILIZATION IS INSTALLED. w 2a0.55 PROPOSED SPOT ELEVATION DISTURBING ACTIVITY,AND ONE WEER PRIOR TO THE FINAL INSPECTION. y 3.07 STORM DRAIN INLET PROTECTION-IP BILL BE INSTALLED ON EACH 4, INSTALL THE INITIAL CONSTRUCTION MEASURES AS SHOWN ON THE PHASE I EROSION CONTROL PLAN d f- 7BC DENOTES TOP/BACK OF CURB 2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED PROPOSED INLET AS SHOWN ON THE PLANS SHEETS. THIS INCLUDES THE SEDIMENT BASIN,SEDIMENT TRAP,SILT FENCE,ROW DIVERSIONS DIVERSION STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE IN ACCORDANCE ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION ANDLc G T/B DENOTES TOP OF BOX WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK.STRUCTURAL SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS YR 625-02-00 EROSION AND 3.09 TEMPORARY DIVERSION DIKE-DIVERSION DIKES WLL BE USED AROUND THE DIKES,AND DRAINAGE PIPES SHALL ALSO BE INSTALLED AT THIS TIME STABILIZATION MEASURES SHALL ~ y PRACTICES USED IN THIS SECTION CONSIST OF THE FOLLOBING: SEDIMENT CONTROL REGULATIONS PERIMETER OF SITE DISTURBANCE WHERE SHOWN ON THE PLANS TO DIRECT BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS DIKES AND DIVERSIONS IMMEDIATELY AFTER > 2 J. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS RUNOFF TO ON-SITE SEDIMENT CONTROL FACILITIES. INSTALLATION. MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH EROSION CONTROL *LIRGiNIA HANDBBOCK�CIF SPECIFICATION SEDIMENT CONTROL 1,01 SAFF7Y FENCE. THE FIRST STEP A PROTECTIVE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CONTROL MEASURE 4. A COPY OF THE!N CLEARING APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE 313 TEMPORARY SEDIMENT TRAP- TEMPORARY SEDIMENT TRAPS BILL BE ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE Ce * TO PROHIBIT THE UNDESIRABLE USE OF AN EROSION CONTROL MEASURE BY THE PUBLIC MAINTAINED ON THE SITE AT ALL TIMES INSTALLED WHERE SHOWN ON THE PLANS. TAKES PLACE. Q APPLICABLE TO ANY CONTROL MEASURE OR SERIES OF MEASURES WHICH CANBE CONSIDERED 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED 314 TEMPORARY SEDIMENT BASIN- TEMPORARY SEDIMENT BASINS WU BE 5. INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE PHASE I EROSION CONTROL PLAN. OD millon TEMPORARY DIVERSION DIKE 309 UNSAFE BY VIRTUE OFPOTENTIAL ACCESS BY THE PUBLIC ON THESE PLANS(INCLUDING,BUT NOT LIMITED 7O,OFF-SINE BORROW OR WASTE INSTALLED WHERE SHOWN ON THE PLANS. 6. ONCE ALL THE EROSION CONTROL ITEMS HAVE BEEN INSTALLED AS SHOWN ON THE PHASE I EROSION 302 MNSIRIIK:TIDN FNTRANY'F• AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO CANTBEL PLAN AND THE INSPECTOR HAS APPROVED THE EROSION CONTROL MEASURES, THE CONTRACTOR 318 OUTLET PROTECTION- TO BE PROVIDED AT THE OU7FALL OF DRAINAGE CAN BEGIN GRADING OPERATIONS. A STABILIZED PAVED CONSTRUCTION ENTRANCE WITH A WASH RAG(LOCATED AT POINTS OF THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. ST • TEMPORARY SEDIMENT TRAP 3.13 VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION STE TO REDUCE THE AMOUNT OF 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION PIPES WHERE SHOWN ON PLANS 7. ROUGH GRADE THE SITE TO THE CONTOURS SHOWN ON THE EROSION CONTROL PLAN. MUD TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS JIB RIPRAP-RIPRAP SHALL BE INSTALLED AS OUTLET PROTECTION WHERE B. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN O IIIIIIIIII, SEDIMENT BASIN 3.14 CONSTRUCTION ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE DETERMINED BY THE PLAN APPROVING AUTHORITY. SHOWN ON THE PLANS. DAYS AFTER FINAL GRADE 15 REACHED ON ANY PORTION OF THE SITE TEMPORARY SOIL STABILIZATION AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES ATSHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT BILL T n5 SR 7 FFI/CP ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL 3.31 TEMPORARY SEEDING- TEMPORARY SEEDING SHALL BE APPLIED WHERE REMAIN DORMANT(UNDISTURBED)FOR LONGER THAN 30 DAYS PERMANENT STABILIZATION SHALL BE lP -,e- INLET PROTECTION 3.07 A TEMPORARY SEDIMENT BARRIER CONSISTING or A SYNTHETIC FILTER FABRIC STRETCHED FINAL STABIIZATION IS ACHIEVED. SHOWN ON THE PLANS. APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. ACROSS AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED,TO INTERCEPT AND DETAIN a DURING DEWATERING OPERATIONS WATER WLL BE PUMPED INTO AN APPROVED FILTERING 3.32 PERMANENT SEEDING-PERMANENTLY SEEDING SHALL BE APPLIED WHERE O X X X SILT FENCE 3.05 SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION OPERATIONS IN DEVICE9. INSTALL THE CONSTRUCTION MEASURES AS SHOWN ON THE PHASE/1 EROSION CONTROL PLAN SHEETS ` ORDER TO PREVENT SEDIMENT FROM LEAVING THE STE AND TO DECREASE THE VELOCITY OF 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND SHOWN ON THE PLANS MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND Q ` "' SHEET FLOWS AND LOW-TO-MODERATE LEVEL CHANNEL ROWS. DIE SILT FENCE BARRIERS AFTER EACH RUNOFF PRODUCING RAINFALL EVENT.ANY NECESSARY REPAIRS CR 3.39 DUST CONTROL-DUST CONTROL SHALL BE APPLIED THROUGHOUT THE SITE DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES p ry C SHA BE INSTALLED DO SLOPE OF AREAS TINE EFFECTIVENESS WITH MINIMAL GRADES TO FILTERSEDIMENT CLEANUP TO MAINTAIN OF THE EROSION CONTROL DEVICES SHALL BE PLACE THE CLUBHOUSE AND DRY DETENTION BASIN WILL NOT BE INSTALLED UNTIL AFTER UPLAND 000NSTRUCTION ENTRANCE 302 D DOWN SLOPE RUNOFF FROM SHEET FLOW AS INDICATED. THEY SHAD BE INSPECTED IMMEDIATELY MADE IMMEDIATELY. WHERE SHOWN ON THE PLANS AREAS ARE SUFFICIENTLY STABILIZED AND SEDIMENT BARN 1 WALLS CAN BE INSTALLED TO OBTAIN THE AFTER EACH RAINFALL AND NAINTAINID./N ACCORDANCE NM THE VIRGINIA EROSION& ID.ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED.DESIGNATED BORROW AREA FINAL DETENTION BASIN FOOTPRINT. THE PLUNGE POOL RISER AND BARREL OUTFALL WILL NOT BE SEDIMENT CONTROL HANDBOOK(VESCH). II, ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA EARTH FILL STnRMWATFR MANAl,'FMENT.• INSTALLED UNTIL UPLAND AREAS ARE STABILIZED AND SEDIMENT TRAP 2 CAN BE CONVERTED. PS PERMANENT SEEDING 3J2 T 117 STORM DRAIN INN FT PROTECTIMN SHALL BE INERT MATERIALS'ONLY,FREE OF ROOTS STUMPS WOOD,RUBBISH,AND OTHER STORMWATEN RUNOFF QUANTITY WU BE TREATED ON-SITE THROUGH TWO DRY ID, INSTALL THE UTILITIES CURB AND GUTTER,AND ROADS INLET PROTECTION SHALL BE INSPECTED AFTER A SEDIMENT FILTER OR AN EXCAVATED S IMPOUNDING AREA AROUND A STORM DRAIN DROP DEBRIS DETENTION BASINS THE PROJECT KILL PRESERVE OPEN SPACE AND ADDITIONAL EACH RAINFALL EVENT AND REPAIRS SHALL BE MADE AS NEEDED. IF THE STONE FILTER BECOMES INLET OR CURB INLET. TO PREVENT SEDIMENT fROMSTUB ED AREA. STORM DRAINAGE SYSTEMS 12 BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER .INN PRIOR TO PERMANENT STABILIZATION OF THE DISTURBED AREA INLET PROTECTION APPLES ZONING ORDINANCE SECTION S L28. WATER QUALITY SHALL BE TREATED THROUGH THE PURCHASE OF CREDITS SEE CLOGGED WIN SEDIMENT SO THAT IT NO LONGER ADEQUATELY PERFORMS ITS FUNCTION, THE STONE MUST V GP CULVERT INLET PROTECTION 3.08 /3 ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE NTH SECTION 13-301 OF WHERE STORM DRAIN INLETS ARE TO BE MADE OPERATIONAL BEFORE PERMANENT STORMWATER MANAGEMENT PLAN SHEETS BE PULLED AWAY AND CLEANED AND/OR REPLACED. INSTALL ANY REMAINING EROSION CONTROL ITEMS STABILIZATION O'THE CORRESPONDING DISTURBED DRAINAGE AREA THE CODE OF ALBEMRIE AS SHOWN ON THE PHASE I/EROSION CONTROL PLAN. a, TOR TEMPORARY DIVERSION DIKE 14.BORROW,FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL-TYPE POKER EQUIPMENT SHALL I I. UPON INSPECTOR APPROVAL, THE SEDIMENT BASIN 1 WALLS MAY BE INSTALLED TO ALLOW THE co DC DUST CONTROL 3.39 A TEMPORARY RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING BE LIMITED TO THE HOURS OF 7.00AM TD 9:OOPM CLUBHOUSE AND SLOPE BEHIND THE CLUBHOUSE TO BE REGRADED,AND THE DRY DETENTION BASIN FINAL ('7 DISTURBED AREA. TO DIVERT STORM RUNOFF FROM UPSLOPE DRAINAGE AREAS AWAY FROM 7S BORROW,FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAN TO BE INSTALLED. ZUNPROTECTED DISTURBED AREAS AND SLOPES TO A STABILIZED OUTLET. TO DIVERT MAINTAINS LATERAL SUPPORT.OR ORDER TO MINIMIZE ANY HAZARD TD PERSONS O) OSAFETY FENCE 3.01 SEDIMENT-LADEN RUNOFF FROM A DISTURBED AREA TO A SEDIMENT-TRAPPING FACILITY SUCH PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS AND DAMAGE TO ANY 12 ONCE PHASE II OF CONSTRUCTION IS COMPLETE. THE SITE IS STABILIZED AND THE INSPECTOR HAS GIVEN (�I AS A SEDIMENT TRAP OR SEDIMENT BASIN. USE WHEREVER STARMWA7ER RUNOFF MUST BE PUBLIC STREET BECAUSE 0 SLIDES SINKING OR COLLAPSE APPROVAL. THE CONTRACTOR CAN REMOVE THE EROSION CONTROL MEASURES. NO ITEM SHALL BE _ TEMPORARILY DIVERTED TO PROTECT DISTURBED AREAS AND SLOPES T RETAIN SEDIMENT ON T6.THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL.MAINTAIN,REMOVE OR CONVERT REMOVED UNLESS THE UPSTREAM AREAS ARE STABILIZED AND THE INSPECTOR GIVES PERMISSION. _ TO PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSIONCn J ® IW�� TEMPORARY RIGHT-OF-WAY 3.11 STE DURING CONSTRUCTION. THESE STRUCTURES GENERALLY HAVE A LIFE EXPECTANCY OF 18 CONTROL MEASURES REWIRED BY THIS PLAN REGARDLESS OF THE SALE OF ANY LOT MAINTENANCE.' 13. CONTROLONT ALL EROSION CONTROL ONLYL WHEN AS APPROVED BY IN THE NAG/PER EROSION AND SEDIMENT DIVERSION MONTHS OR LESS,WHICH CAN BE PROLONGED WITH PROPER MAINTENANCE HANDBOOK,REMOVING WHEN THE LOCAL PROGRAM ADMINISTRATOR IN QL TIT TEMPORARY SEDIMENT TRAP UNIT,BUILDING OR OTHER PORTION OF THE PROPERTY. IN GENERAL.DURING CONSTRUCTION THE RLD OR CONTRACTOR ON-SITE WILL CHECK ACCORDANCE WITH THE VIRGN/A EROSION AND SEDIMENT CONTROL HANDBOOK. W 17.TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING.SEEDING IS TOL A TEMPORARY PONDING AREA FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WTH A BE AT 75 LBS/ACRE AND IN THE MONTHS OF SEYTFMBER TO FEBRUARY TO CONSIST A ALL EROSION AND SEDIMENT CONTROL MEASURES DAILY AND AFTER EACH /4. ALL TEMPORARY EROSION AND'•SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER Ili STONE OUTLET. TO DETAIN SEDIMENT-LADEN RUNOFF FROM SMALL DISTURBED AREAS LONG SIGN/RCANT RAINFALL.MONITORING REPORTS WILL BE REQUIRED FROM THE RLD IF FINAL SITE STABILIZATION OR AFTER TINE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS o ENOUGH TO ALLOW THE MAJORITY OP THE SEDIMENT TO SETTLE OUT. USE BELOW DISTURBED 50/50 MIX OF ANNUAL R)EGRASS AND CEREAL WNTER RYE OR IN MARCH AND APRIL TO NEEDED. SPECIFIC ATTENTION WILL BE GIVEN TO THE FOLLOWING ITEMS: OTHERWSF AUTHORIZED BY THE LOCAL PROGRAM ADMINISTRATOR. TRAPPED SEDIMENT AND THE DISTURBED N CONSIST OF ANNUAL RYE OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS LESS THAN 3 ACRES WHERE THE &SEDIMENT BASINS AND/OR TRAPS WLL BE CLEANED AND MAINTAINED IN SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY O a TABLE339A SEDIMENT TRAP WU BE USED NO LONGER THAN 18 MONTHS AND IT MAY BE CONSTRUCTED STRAW MULCH IS TO BE APPLIED AT O 0SF.ALTERNATIVES ARE SUBJECT TO ACCORDANCE WITH THE NRG/NIA EROSION&SEDIMENT CONTROL HANDBOOK. STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION. O Z 06 EITHER INDEPENDENTLY OR IN CONJUNCTION WTH A TEMPORARY°IEERSON DIKE APPROVED BY THE COUNTY EROSION CONTROL INSPECTOR. S.ALL INLET PROTECTION AND GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR N W W w ADHESIVES USED FOR DDST COMROL 114 TEMPORARY SFTAMFNT RAS/'/s' 7B PERMANENT STABILIZATION SEAU BE LIME AND FERTILIZER,PERMANENT SEED/NCI AND ? A TEMPORARY BARRIER OR DAM WIN A CONTROLLED STORMWATER RELEASE STRUCTURE MULCH.AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 9ABS/70005F SEDIMENT BUILDUP THAT WILL PREVENT PROPER DRAINAGE.IF THE GRAVEL IS C a W Wow ApVHolien FORMED BY CONSTRUCTING AN EMBANKMENT OF COMPACTED SOIL ACROSS A INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL FERTILIZER SHALL BE APPLIED AT CLOGGED BY SEDIMENT, THE GRAVEL WILL BE REMOVED AND CLEANED,OR IT BILL G > Dann. Type of Rue DRAINAGEWAY. TO DETAIL SEDIMENT-LADEN RUNOFF FROM DISTURBED AREAS 1000LBS/ACRE AND CONSIST OF A 10-20-10 NUTRIENT MIX PERMANENT SEEDING SHALL BE REPLACED. A BB/SIR E COUNT Q Q &Bala (maniac:wx.-I JU p Den^IA- IN MET-AND TRY•STORAGE LONG ENOUGH FOR THE MAJORITY OF SEDIMENT TO SETTLE BE APPLIED AT 780LBS/ACRE AND CONSIST OF95X KENTUCKY 31 OR TALL FESCUE AND O•ALL SILT FENCE BARRIERS WU BE CHECKED REGULARLY FOR UNDERMINING ORCONSTRUCTION ENTRANCE > I- o- OUT. APPLIES BELOW DISTURBED AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS 0-5X PERENNIAL RTEGRASS OR KENTUCKY BLUEGRASS STRAW MULCH IS 70 BE APPLIED DETERIORATION OF THE FABRIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL Z Q Aa�He EOUAL TO OR GREATER THAN THREE ACRES THERE MUST BE SUFFICIENT SPACE AND AT BOLBS/IOOSF.ALTERNATIVES ARE SUBJECT TD APPROVED BY THE COUNTY EROSION BE REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHED HALF WAY TO ^ ®m Z W A U.f OFasxc APPROPRIATE TOPOGRAPHY FOR THE CONSTRUCTION OF A TEMPORARY IMPOUNDMENT. CONTROL INSPECTOR. THE RXP OF THE BARRIER. I Z J pbe Spray L200 . SIR nun]FT PROTECTION 19.MAINTENANCE ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH d.ALL SEEDED AREAS;DLL BE CHECKED REGULARLY TO SEE THAT A GOOD STAND e J LL Lines EamTMDa ITSI Jir rimy STRUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPATING DEVICES PLACED RAINFALL.ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIR IS MAINTAINED.AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED. _ - __ rcamW AT THE OUTLETS OF PIPES OR PAVED CHANNEL SECTIONS TO PREVENT SCOUR AT IMMEDIATELY.SILT TRAPS ARE TO BE CLEANED WHEN 50X O-THE WET STORAGE VOLUME IN CASE OF EMERGENCY THE PRIMARY CONTACT FOR THE PROJECT WILL BE THE RLD • i - a� Q RtdWm Ovate 4a Tine Spray 3W STORMWATER OUTLETS, TO PROTECT THE OUTLET STRUCTURE AND TO MINIMIZE THE POTENTIAL IS FILLED WM SEDIMENT.ALL SEEDED AREAS ARE TO BE RESEEDED WHEN NECESSARY OR CONTRACTOR ON-SITE THE CONTRACTOR BILL BE DETERMINED AT THE TIME THE Pm, ,comer,e,m J Z Z FOR DOWNSTREAM EROSION BY REDUCING THE VELOCITY AND ENERGY OF CONCENTRATED TO ACHIEVE A GOOD STAND OF GRASS SILT FENCE AND DIVERSION DYKES WHICH ARE CONTRACT IS AWARDED. IN ADDITION THE OWNER MAY BE CONTACTED,MR.ALAN 59E F3EVATION AOTlie flmlAw STORMWATER FLOWS APPLICABLE TO THE OUTLETS OF ALL PIPES AND ENGINEERED CHANNEL COLLECTING SEDIMENT TO HALF THEIR HECHT MUST BE CLEANED AND REPAIRED TAILOR. UPON COMPLETION OF THE PROJECT THE OWNER BILL BE RESPONSIBLE �•'• LL -I o (Noo-Tn,R) EL [miss Sprap 4.:0 SECTIONS IMMEDIATELY FOR SITE MAINTENANCE O o- T 11 RIPRAP• 20.ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED m Aoy6c Eiwiilvu A PERMANENT EROSION-RESISTANT GROUND COVER OF LARGE LOOSE ANGULAR STONE WIN BITHIN JO DAYS OF FINAL SITE STABILIZATION,WHEN MEASURES ARE NO LONGER NEEDED, .� iron'^nCL(osso) -35n Emma Spray 350 FILTER FABRIC OR GRANULAR UNDERLINING TO PROTECT THE SOIL FROM THE EROSIVE SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR u=.�,_ �p.,o O ix FORCES OF CONCENTRATED RUNOFF,SLOW THE VELOCITY OF CLWCENTRATED RUNOFF WHILE 21.THIS PLAN SHALL BE VOID IF THE OWNER DOES NOT OBTAIN A PERMIT WITHIN 7 YEAR OF J ENHANCING THE POTENTIAL FOR INFILTRATION,AND TO STABILIZE SLOPES WITH SEEPAGE THE DATE OF APPROVAL(WATER PROTECTION ORDINANCE SECTION 17-204G) O Source VA.OSWC PROBLEMS AND/CAR NON-COHESIVE SOILS USE WHEREVER SOIL AND WATER INTERFACE AND 22 PERMANENT VE4tIATId1 SHALL BE INSTALLED ON ALL DENUDED AREAS WITHIN NINE(9) _`-e'-+-= m"'N Z r Z THE SOIL CONDITIONS WATER TURBULENCE AND VELOCITY,EXPECTED VEGETATIVE COVER ETC, MONTHS AFTER THE DATE THE LAND DISTURBING ACTIVITY COMMENCED.(WATER _ _ \ Q O ARE SUCH THAT THE SOIL MAY ERODE UNDER THE DESIGN FLOW CONDITIONS. PROTECTION ORDINANCE SECTION 17-207B) eI' ♦_♦ r, ,DEL IfE T ESTABLISHMENT A• SOIL DESCRIPTION PLAN WV/ WI•� V V THE OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING ^ -,s ,Y ggg OI m Di51 �� WIN APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS TO REDUCE EROSION AND L,/ °c E SEDIMENTATION BY STR/UZING DISTURBED AREAS THAT BILL NOT BE BROUGHT TO FINAL LIB -RABUN CLAY LOAM-2X TO 7X SLOPES. SOIL IS WELL DRAINED, WITH Amara MID°e=ND"®' I W Y FEMIIOM 31 TESNE 125 LES GRADE FOR A PERIOD OF MORE THAN 30 DAYS TO REDUCE DAMAGE FROM SEDIMENT AND MST rm'imr r^ RUNOFF TO DOWN LBS. STREAM OR OFF-STE AREAS AND TO PROVIDE PROTECTION TO BARE SOILS MORE THAN 80 INCHES TO THE WATER TABLE MADE FROM RESIDUUM +Y s I Z E RED TOSEASONP RASS 1/ C 20 EXPOSED DURING CONSTRUCTION UNTIL PERMANENT VEGETATION OR OTHER EROSION CONTROL FEATHERED FROM GREENSTONE THIS SOIL HAS CONVEX DOWN AND �a_w�Ar> �•w Y ¢ w MEASURES CAN BE ESTABLISHED. ACROSS-SLOPE SHAPE NO FREQUENCY OF PONDING OR FLOODING, '�....:nv_ Z avow NURSE CROP 150 Las 132 PERMANENT STORM DITION MODERATE WATER CAPACITY,AND MODERATELY HIGH TO HIGH KSAT. if W r THE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PUNTING SECTION A-/� Q --m 10/Ui N 16 THROUGH ARM ANNUAL TINE SEED. TO REDUCE EROSION AND DECREASE SEDIMENT REND FROM DISTURBED AREAS TO RABUN CLAY-7X TO 15X SLOPES SOIL IS WELL DRAINED,MODERATELY ° VAT 1 THROUGH AUGUST 15 FOTTM MILLET PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT 1S ECONOMICAL.ADAPTABLE TO 72C3-HIGH TO HIGH KSAT,MORE THAN 80 INCHES TO THE WATER TABLE,NO ' cecasm A m.a.a wee cm.er me 7LV " AUGUST 16 THROUGH OCT05ER ARNIYL Rot STYE CONDITIONS,AND ALLOWS SEECTION OF THE MOST APPROPRIATE PLANT MATERIALS TO FREQUENCY OF POND/NCI OR FLOODING,MODERATE WATER CAPACITY,MADE Z COU) > U) w: NOVEMBER THROUGH RBNWRr 15 WNTER RtE IMPROVE BILOLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF FROM RESIDUUM WEATHERED FROM GREENSTONE. S PAYED 7B,eP L:01BT B47R a NOTES CONSTRUCTION ACTIVITIES ALL AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER. A A 9 OS0 an 1--1 OZS 'a T T9 DEIST CONTRA• I.UME AND FERTILIZER NEEDS SHALL BE DETERMINED BY SOIL ,...,...,„;;Ail..,, Z REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND D/STURB/NC,DEMOLITION AND RABUN CLAY-USX TO 25X SLOPES,SOIL IS WELL DRAINED,MODERATELY ' !-T'1�.' N•a1� W 5 -HIGH TO HIGH KSAT,MORE THAN BO INCHES TO THE WATER TABLE,NO -11•; -4 TESTS AND APPLIED IN ACCORDANCE MATH VESCH STD.3 32. CONSTRUCTION ACTIVITIES TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM 7203 •�.�._1 W EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY1"'°i.!' FREQUENCY OM OF PONDING FLOODING,MODERATE WATER CAPACITY,MADE _�T" T•,,.ys ` Q o 2.SEEDINGS TO BE MULCHED IMMEDIATELY UPON COMPLETION PRESENT HEALTH HAZARDS )ALL BE SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE FROM RESIDUUM FEATHERED FROM GREENSTONE. •:•." /� - .s OF SEED APPLICATION,IN ACCORDANCE W/VESCH STD 3.35. DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF �� "e',-`!. i- ` OUST DURING CONSTRUCTION.MEASURES EMPLOYED SHALL BE IN ACCORDANCE BITH THE `•�'•�! 1CO PERMANENT SEEDING SCHEDULE VSCH• !• •.-.•: °a 2 PS -._•, NO SCALE PLAN TAKE TJl4) 1.SET POSTS AND EXCAVATE A 4'.Y4' 2. STAPLE PARE FENCING TO THE POSTS. 3.ATTACH THE FILTER FABRIC TO 4.BACKFILL AND COMPACT THE _o (ST).&SPEC.3.32 OF VIRGINIA EROSION& TRENCH UPSLOPE ALONG THE LINE THE WIRE FENCE AND EXTEND EXCAVA ISO SOIL. L. AN/YTADISSI/VTPOIGRYSEEBL a P(AWTMATRBIULS W -o OF POSTS. IT INTO THE TRENCH. �\ I WTII(T REFERENCE FORAM SEDIMENT CONTROL HANDBOOK,3RD ED.) ,ate_ ) ( A '••.i::•~ .a.p O z E fC 'ail .4 _1,. ( .�.,��.��1 afWTl 1W ❑16 -- O l/ A ID EZAIG N•AJaaN) ,. -HINT 1111 •-�. aNdj»1`,,. „� n/ • ••• ••�.. ill S\t�iI ►IIIU L 't, Y• •~ •y 1-Feb.T'- 50F50 Nth AtCD ^ =` 1. � 401 SECTION A-ACI ® _ � " _,_ {.� aallO m6 / �\ �1,1 - \ - A `4 . �' ., P6E pHRFT ro FLIT AAA MTHNO ORFPImO/AWEl • • rLr»mmS 1nn� • �. • NT 5D 71D7 �mmlove 'IR1a• • fLOw ®t • •/ I=:_ • y' OHA 4fl•FTLIER • 'Y: AR.30 .t P1RT4nva 60.T00 / `•• -- • .SAILT6- PR15COARSEAGNEG1E _I..-- • I..'-l't1• �_�.� 092033 FLOW - -F ImmN" I" - IPBLOCK& GRAVEL CURB INLET - SECTION A-A May I Aa93L &Ann 670N SD SCALE EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. O SEDIMENT Po TFR GAtatiAltaliA0 IL SILT FENCE � NO SCALE O PIPE OU CONDITIONS 31� 1"=50' DD TEMPORARY 24'DIVERSION BERM SF (INI TH WIRE SUPPORT) �iGf� NO SCALE Somm:VA.DSB'C SHEET NO. - 7 . \,;-.`',;-.., ,.'../VI'''/t‘ ''''''e,sFlys',!.));),-" ,V)::;(: ,,',' ' .'.41:#1 .4/`;;,;''' /.4'''')),)i' .‹ '', ..",",..k ', .'- .../ ' .1-.,;,• / ,'- /,///,//- ; '„.- - LEGEND 0.4 LEGEND LIMITS OF LAND DIS7UREANCE 0 SILT TENC2 PER VESCH 3.05 .,,,,),.Val Op), 1, )), ...',-,,..,,,,j„/ ,,`;',.';..,, \ .:I),, ,,,,. .„.„).,'If,i)(., 44. , ,,.).•,/4,c.,,..y,,`,4.,,,, ,,,,,,,„:,, i",,,,,',/, ',,,,,4T-•,. ' Am., -"T.,...., .,, ,a.\ , / .._,. -- ,- / , / i '.. ,, P •• •):)i ‘"‹.:.‘. "'-0,z' tilik; ...r.,-,,--,.,,4 i - • -- , , // \ s •,_•-• —q—,s—A- DNERSION DIKE firo SUPER SILT FENCE PER VESCH 3.0 Cr' I *P ..-.:2/ 1 .1 ;I 1__,..!;‘.;'S',.:-,...PN/. ;....*:,/,‘ s, ".\4*-N'L,t..;'"•.,i,,,..„7,•,'..4,L.,,,,,, i• •••:,,,•':,"0••-:.-7,., ',,,:„."' ..,,,,,„•'/•,:' ,",;;;;;;'',1, *".,- . ...1%.1,:, 414,§ .:.:-.,,,,,,; , ), ,i..__ ..,/,,,, / jRDPOSED SAFETY FENQE 121) BOUNDARY LINE ... •I' 11 V i, ' 1/7‘',','''‘`f<1.•, (,‘,''./'',. "S-'i••F.,1'•\`'••.S.:;',.„,,,''.,7T''';,?'','/,,,''e'''%%4 ; / " .'- 'ie.i.:,"'"/';',''///,'I I/A ' '•l'..4NV. "-'--'_,).X-d...--.,--. "."-t•'/ / , X .X. X SILT FENCE 0 DIVERSION NS PER VESCH 3.09 ,:p SCOTT R COLLINS Z• /1 ,4/-/ M • :`•,,„•••••..„„c; \,,.:;•••/ N :'-'.'•••,,,-''': -\.•''';'," ' ,,,,,/,';,'...., -: :••,,,,„*.`......",.."-„„'''''',/,./1/,',/;i,;( •lip ', ,..., 1,. "A.PT-,.7-•, •: , • //i \SWM 'C/REST to:OPEN SPA8C PRESERVATION DIRECTION OF PLOW L._ 0 SEDIMENT TRAP PER WSW 3.16 0 No. 35791 )7.... ;;,/;;A. , / f•.„1')•:"1;',... ,,,,s.,*,,, '''',7:',,t,,„ 7,^;,:..„„_•44,7,...;',' 1 e c,!C ,',„f,i)".,•,..' i/ci,it,,/,?,,, „, 4*)•'••;„4.k„. .›er,-.1,..1....:::-... .,--,' -r-,,,..i. • , /./ , HALL REMAIN OUTSIDE LIMITS -- -- -- -- - 653.75 PROPOSED CONTOUR OF DISTURBANCE .-- // /,,ii. i 1 , ,•'- \ .:.s...:..' ' ' ,A,,o,, s,./ "• .:,k.'• •,,, ,,q.,.':„..i,',. •• <Z , '/,,,,,,,i3,1'.;il.,'g • ..• „e:,,•.Y.'../.."../,•/;/,-.4 ,-.-:•:&-,..c. /.../PN '-„ , - - -_. _ ___ DRAINAGE DILIDE 0 CONSTRUCTION ENTRANCE PS VESCH 3.02 ..„.. — ___ -- N i T ' • / ''.I'\..„'''''<' si.',/,,''1 . '"'3,c'y\4,Q,,,),..,7'44). ,-.--...),,-.....--7"1,///,,15,.,x g/1 1, Irdip .L..• e ;4. ' i' ;Mr.:'••.': -'(‘' ,...;:-. .--..'-,t;) • q' ')5(i ', C`"?•••••;,„2.•,...?•:, ..,. •, ::', '.,..,;' ,'"Z.;.`k.,,,,,,,..-.`7,:_-_,::::-2///7,,"IV ,/ 4111,0•?;,',1,7,•,..,,/,/, '•,, ••.1"4,..-1„f, •4• - •••••,•/). ,./ LIMITS OF DISTURBANCE, -, os•„, •;,,-.,,YA'\\k• ..,,,, ,,./ ' •`..,1,),1;,:'1".." ..:.:`•....,,TY// --,`.1...-„,/,,,," .".`A,, i/ ''•WT,:',e.2 f,,,,,;,;,,1,.„, .. .,-...., ,,,./i';x:',;-::,..7_,--, •,.. ,=11.71 AC. ',._ _.. ___ ii il 4,11 IN.111111 NI , CULVSTINLETPROTECTION 0 °MET PROTECTION PER VESCH 3.18 4k9/EINAL T'''G\ ..;<:''',/* 5/2 I '' ' '‘:"IN \s' '••••,"714‘ • ‘t, '/t^',- '''',';‘1..."4."."..,t ;--/.". k,if i '.'...."„ T'.•••4,1r•:•:0, ''"/t ..,,,e".:7Xi" r1. --. Agg7.. ),,, - - - -_ ___ .... --- --- - -- - - a 0 CVLVERT INLET PROTECTION PER VESCH „. ; ' 1 '' /,' ''‘''''') ''',.'''*''''''"V\ \‘6 ;''''' •\* ''•4:'•';'''-'-','N ,' \'/ k ')-1'4.4d.'4).'i•••.i.: .4'''''l',"!' /7../7.'N'irailintaintir -,--;•,..71‘, \\'•.-„.. 3.0S !, \PV4<, X/ ,, 4,.:.•,'„, .. . ,:.? , , .'''''' ,/'' ".,,V;,•4• 77.11-'1 i _,•,': ,.-7.;• ,, ,.\\ \ -- -." -- - - - , / ,, v ' /A ;',,,S._..„, r•.,.T j'\ • •,' ' :.,, •'•i,. , ,••• ''1, • ',-•' ''.•.../.,'' '"4 'xe• .„,'•- . .- • '-' - •---1- ......_. __ _...._._...... ....._ .......__.. ..._. ___ __ -- 0 SOIL STABILIZATION MATTING VESal 3.36 ''', //' •'' / /'•- `,•-..„., '\ ''.' '' k'''',. •$./cN,,4111g11;‘, *.?; 1.,', //'" r,Z I,Ii'l'1'1-'1"'-vk.Vgcs_))'-':L7-"' --' ..Z1.' \. . _. -- iiaa -- -- ----. DRAINAGE WAY , ' ' 1. „.., './ • •/ ;.**,‘ .*C7.,V.*.‘. *,..; j .. - „.....›s.Lk)it:TNT, , ..1,,,V ,/..1.11i,;'." ,.' .,., /,:l.1%. -.... '*: ...„ . „ ‘1,,,,--...-_-.............„PROPOSED SAFETY FENCE__6— ----- --- --- -- --. ...„, _ Panwdevastrudiall warsece rerenwiaa contrul plaos . , „ / '''" / 1 s` :"''s'::'::\' j, ',7 ')-'''''•••;,,• ''''."' • 4- 1 1J. ''' ...+''.''''''. . • . .,..... .‘.: ......7-4„-i,7,...,...,,•,.;,:- -, . NSTALL SIGNS"WARNING. `', /.. / ' / , ''',,,'',,..,;,. .,./.• , • X.,...,,,,,'",..,••,,,,,....,•!,/„, ,., , 1`,/,,/,,,,,t4-„,,,. •••,; \s,‘\, -....„ „ „•:•.,,,•,./.,,,,,/..•,...„ \:•,,\,.. .• ..-^^ -QUICK SAND,KEEP OUT" -- _ Iwo 3.0! 1 ' k 4..A..A.,, 7 1,, • * „ ,„ -,/ / ' • ,' •N.,./\:........A. IL, i, •,, . •••,,,..,4," ,--y.. 1, j, 1, , „../. ./,,, ', .\`\.„ •-•-, V, L:i.......\,,NI'4„5.c.,,.*.s.:'•*\...i.C.>,•.:‹*- ‘, PROPOSED 55'EARTHEN-- -...„ -- —---- --- --- . / SAFETY FENCE r t4I-IF my,yKLT TO, g / / / , „ /‘,, •,.„ \ ,,,,/1/ •-•`-s,..,,.,(0<' l ‘ -I• :I„. 4 '•4...:, ;"••,,:„Z•.;IL:„. `.;.. 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'-'14** ),,,,b.' -N, il•144"'!-WL r,r--3"..- 1.1'...A0- 3. -"\ ; '' ''"-----"--*--..3,`)_7/ .'.. / ) •' f \--333•-•)--- '`....,,,,,...f.,""td:/•-0,10,„":1-,"=",:-.--.7---_:;_i--_-::TJ__-_-'-- aa __..- „ /- _ ' / , I i • --- --..„ -s i ) , \ NNE= LI] • • LU a Z 8:t • ----1=1P14-';' ', / • 4, 'VN.-/---s--•e_4A,> s, ;G'' ' i 7 ",•,'.\<%., •,•"•'''''V42117-;•':•4"---.•'\-\;?,1134,----:\---•—r------ '' -'-'" .-- 42- -' ,' ------ -1,-, .--::;.',;-::-.':':`;:,:". ;;--;,-_-----__ _„..--- ------- ..-- „ ,.- - ....- \ ss. s\ \ '\ '. ,',,-• 1 mip: Ai...-.kt,,,w4, l,.. /„..,,. • _,.;/‘ \ It '' , , ---,..; , •••••'';' '11;cfr \„-,,,. ..,f4 it, .11., ...A.,...,..,-:.i.; Au..- --_;:.-_-_:,._. i / /„ ,„--"„- ,,,.'.-=,-- -------- .-,;=------..„.••;`,;"7:--f----;---:.-•:;--;--- ... ---- -- -- -- -- ./ -- 'N \ . 1 ' . 1.',/ '- ' ,-.. ./4.41iit,"216-‘,4 '' Crs ''•-•;.,:x.' 111 ,--*,-4,-. i.,_--z_y_,?.:,..,-,1,..,!<,,,,', iv,,,,,I,,v. ---e•- -...._-_-_-__:./, -7L--,,-- e,-,;--: ;,..1..?-'2:'::- • ..--;;''''- :•-'-:,.-- ---- --- - ..---- _ _. - - - - - - c7). II u) , a;4 N /I/ • -...„‘ •-,'' .7.., : , - ,- \ J ct%...) :ti %,alirlelinilay . -..."----:-cr'it, '-' . / '''' '.-----„„,„_,-4---.-.SEDIMENT TRAP 2 „f,• .,i---. -.',-.:3 '‘,..% --'" __. OD PROPOSED SAFETY FENCE' ' r'`,..-':::•41149, ,,.,,...1 41116//, ,: / lit;tp...-••""I;'- 'PHASE II .: r ',.,/,.,'• /Ai ...k.._,,/ \-V.1 '''''''' ''''''' ---. ---‘, \ .,\ \ \ \ . • 11.1 n LI.1 .7 2 .-..-. \ \ s \\ \ .R,•.‘&4 • ,• , 4 -' el1XP Yi ' .-•';'''-''..-:' '''' ;:`-- -' r „, .. r,,, .,= , i 1 -, . ?•,, • 4.a.. 4010; // 'Q.- ... •- -- \ - \ ,,, , ....--Tc=8 zn. . .-;Ar2f,..".I ...g PROPOSED 8'STONE f:..,'" ''' / .--,r-' - --- , I ,.- / 0 .... ,- • „. \ \ • . < ' , i • -..."-„,_ --,,z-vo,,..16.%:„.„1??..„;;-•., .‘„„---....111 :Al / •-.„,.././7 - .:--,•.. ris,....i„)„....27QP, , - g 2 --- / , I ' ' -*----,..‘ 1 "c's;,„.„,-\.--,Cii,... ,c16--Artii:.. -v.....-' -- •• ' /ft."; ,4 ','' •/,''''. --;4'LUNGE PoOrkISER kJ(/' i - : ' ::. - • . / / .ARREL SHALL BE INSTAU_ED / / / ' /' """ -' ,, ,,, /' ,/ ..-- \ \ \ • s'' \ .... \ • • U CDC9 i 2 • x ----. ----- - ,, - • • ATA•• /, • • ••,. • • , /••-i -WITH piE ES9 TO,SWM CONVF_RS1ON , , CD i II in s i / / / •'. ,,...• ....4 , ,, k N • \ __, , ; 1 ,-' ,.. , ,--,..'„,, - -, -,- ,, _ • -- 4'/731 "/ - V' /'. , -O-3- •• ), • -N)-.\ '13 ^S.'- ,-.:444,1111.45.dir 7//, ,f .2 .,.. - , • ir-5,- ..), ,,,,x/ /...- , ---- • i GRAPHI.O\SCALE/ , ,.. , • „...- • ,-- // • 1 , -- \--.Z-N....,f,,,,.....-...• Go--;..-.1144010,-/ / -. wi„ , • 2 - ,,--.., / „it /' / /, = - ., ' so / 0 so eh 'I o : 240 / • I / / / / '' ,/ 4' s 30B NO. 2 t 'MN'EMIIMIMMIMM.M'.• ,' , 1 I . 1.' 1 ', f' , "1 ., ' ' - ''.`,';." ' \ / // , , , './PRCIE;OSED SAFETY FENCE j„./ / ,... NSTALL SIGNS'WARNING: \ I 1 I '' 092033 2i ,- _, • , • , ,- . . , e 1 • , . 1 ., • ,..‘ ,..,•z, : / // ." QUICK SAND,KEEP OUT' / ' • / ,/ ........... .4.--- .m-/ Ildl , ''.-N,,,/ • .2 / , ,,, •, \ ; a 1 --- -- 1 inch= 80 IL 4 : . ...„..7"„k.;,,,,...z ...„- /I / • /-, s • , • / --" , , - 1"=60' 2 2 -- ---- • " 1 I i I ' Os•A::"?',.../4;";,../%,,, / ),, ,,-" oN / / '/ / / / . SHEET NO. 2, „., . • , •••• ,,.. /- \ •, ,, • , , , i , : , , ,,....„,,,.,.-.•;-- ,,, ... ••-,SWM FOREST&OPEN SPACE PRESERVAll / /. ..,-- ....- , ‘„ ., ,, ,..-' 9 / '' i I I I ' I / • ./.t'.•..,,,, ''''' 4 /7'' ; HALL REMAIN OUTSIDE UMITS / / / / , \ ,•' / , / .- . I I ' •z; /s• '••• /j:/!: ,.- , OF DISTURBANCE , ,, „ / ,' / , ,-' , - THop, t� SEDIMENT BASIN SB-1 ISCOTT R COLLINsz ISCOTT R COLLINS U No. 35791 A SCALE: 1"=40' At / • ,'x L�'.$. -� ."•i- � '>>.\ --PROPOSED SAFETY FENCE Sediment Basin Alt Design .;'.. `• NSTALL SIGNS WARNING. el) 1Q1f ,,,yyi, Itt.4=.c �.,F �. •\ QUICK SAND,KEEP OUT" '�'nu..+ tiL p;`, \ rt yi``� \'.+�• • .• ' ' / _ drainage area(acres) 7.95 WTI �_ '^' ... •\:. ) G6ni:Mail uttd \����, basin volumes:(using Z,contonn mrersels} k'-""tiO1�q s e \,�; •*,'.:,• \ '7ROPOSED Ss'EARTHEN= " elevation(10 contour area(s8 volume fey) >�,�1 .112111 1. i /r sy� ? • :.-'�-T�`s\ „TOPE ROGFE NDCAYM SPILLWAY 488.00 1946.0 0 p" s+aucc Ms,c•���ta'}6' R ELEV.=496.33 490.00 2890.0 178.0\ 49280 39750 4312 f 71' tom _:t � \', as400 5200.0 7ao lets isf d \ ags.Do ss6s.o 1zca:s .--- 4• .Y.\ "_ -w- � `�•� , ♦ \ 497.50 76820 160C.1 @ i0"�--• i <:. M.€.lc z ' ` I I I \ ^\\ wet stow?' I 532.7492.80532.7270349C.73 apMox•bottom dimensionsr 31k70 ,4-wo. t.87 upstream face slope: 21 O C ? \\\ \ \\�a\ l lir f� \\ \\\ dry star:toes dry storage required(cy)(67•0A) 5327 baffles' NO M \ \ �..--�`�` \\ \ \ ,/�',:. principle torgeNwaycrest m) 4532.7 length eof flaw.widthL a 13 C \ ` �� �- _�=""' \ .„1.!, dry storage Pnnided at Ws ekwtlon icy) 532.7 ertecthe width,We(n) 33 > tin �Q`�� .-�_ : z1 : t \ \, diameterowateringod6ce6nI \ - et C(use'0.45 for bare earth) 0.75 slope of upstream face( 1) 21 *.�.\ ` r 1 \ '� '! \\ \ tc{mN .12.6 slope of barrel(Sb) 0.50% .� ) \ 12yr 3 7 O 2yr 22.1 length of baneel b saturated Zone.(Ls) 44.88 ���_ A/ `/ PROPOSED \ \ \ 125yr 5.5 Q25yr 36.1 number dimension'of collars 42'x4.2 x. 7 ;� CL IIt RCP RISER \ Princide spillways �r .� /x RIM=�95.33 \ \ aseilable Mad(fl) 1.00 ememencv snllwav YES ��� ... • ,:� �\ \ + \ + diameter riser(in) 48 required capacity(O25 0P)(cis) :21,1 `. !G �P : , \ \ \ S. sp¢way capacity,Op(cis) 15.48 .flottom width(fll 55 R m diameter trash rack(in) 72 .slope of exist crannel(I0) 33% o C barrel length(It) 88 minimum length of exit charnel(II) 16 •" �' head on bane]through emtenkmerd(8) 8.33 crest of spilway(ft) 496.33 diameter of barrel)n) 18 i o) co Z M N ...... CO '�t NO ~ J a,4-SEDIMENT TRAP ST-2 N w < =_ SCALE: 1"=40' W Q Q W " / ys, PROPOSED 24•DIVERSION j�% =1.8', W o c, / =ERM AND 6'X6'X2'RIPRAP / / W10 -_ _ i i i/, \ \ iUTLET•RO7ECTON %// / ..'.., / -1 5 o . ' l / /L l•' PROPOSED 'n Z C"r FENCE �/ f/ ~ ®•, w O __ F.tit /' Sediment Trap 2design i • z / d // ara�wumse.S........... ! .._ Ii'i"'--� ._.. . ( t P oxsrxa roam ram I, I I O .- " elevation(9 area(s01 nolan (cy): /....ic V i a" i ( 1 F, I _.. -_.e . ._ % - 49100. _ 560. RO[ -V..1 ." ; ' . I I i l ay _ " i 'r'e` 482.00 335.0, 8.9i r�'C , III W o i t 1 I I "; ,:.1 l __-_ / / 494:00 783.0; 49.1-_ "s-'_;,t�dl'�� ._- Y g I ; + ) ''. r- ;/ ‘ ---._.. .._....__4 .OD_-...._1344.0 127.0: _.- U ' w i ! ( ."<'` ..........._.. ._.. 497.00 58620 182rt5« C.O. __."' �•- Z a 2 LQL r ' ) i . i _" i ass; o.ii zso:i:' NEW _.. 5 W 0 s-• ,/ , r ; A, / .! i wetsiorage: - E / % wet storage required c (BTdA)- -- 8i.ei •u Min ao. ma owl e.a,raw 6 / ......1,r) , fa �')+ a PROPOSED 8'STONE ,!,.=� J , cotton of one weir Al) _--'- ---a95.i4 _.__...._ __ `-'-_--- / ' i . -TOP OF DAM,=49B.00- L / f. 1-4 • wetsorogeprmtdedatih eletroq{eY_)._.___.__�:71 _.. _.._ [ ._.. .._.. _ .._.. ..___....___ ..__.__. _._.._.._... W Q' �3 . , .). s; V. :�J /' slope of wet storagesides ._....__....---._2a..._.._._...._. .t. ..: _....------' -----...--- W z 9 / / '../...!.. ;f; .... i... - _ ;weirfe .tin6:A!) 7.9....._.. j �jJ _ /--- --' r , ! .,. :f' r ;" / /�� d7s� _____._....__.._.. ..__.____._ .._....V. 'bottom trap et�lvn.�ft)-.._. _____V...__...-491. ..... J / m e i i n i Ce ,".- ' ., '•. .. / /a%' '%�' d� t rep re 876: bod 1 d Xis � ;.': reet u_. .V,..... ., 1, o rap -mesons . ._....._ Q ,°: 7; �' crest Clostonnewevd(cY){6TDA) 497.Di :top of diem elevation go 5498 ..e..1 .-_.. m ` ' •,' •::•' .is i �: .' J/' dry stampe evicted at this.eleva0on,(cY)i 91.'I'V top width of dam(tt) ...q,. f ..'' .�: .;. , , �r'i ). / '/ ,' '/ slope ofdry storage sides ...i 21: aoptrePdimensions. :,..__.. y� .r PROPOSED 24"DIVERSION BERM W -, , '- / /'/ / / -AND 6'X6•X2'RIPRAP OUTLET PROTECTION O �„ i •/ /- - r/ //' ' PR6PdSED SAFETY FENCE '_ ,�' f - • • // /' :.., / NSTALL SIGNS WARNING: 0 c' ;1. ,, . I• /� J/• 1 QUICK SAND.KEEP OUT' OO . /Q ///; ' ROPQS6 SAFETY FENCE ID n I /�- / 092033 " .k7..... v\,y/ / •/ �SWM FOREST&OPEN SPACE PRESERVATION �,� ,�J' f / �' HALL REMAIN OUTSIDE LIMITS ,� SCALE `o 1 ,• // . / j, /,/ OF DISTURBANCE •I ,rl=401 „ 1 •♦ ,• �/+ , SHEET NO. aP 10 r<o , t ' ,N.,: 14 . L 7,1- AA1" / r, ,, ,N. ,/ a / \\.,-.' -4' ' . 7- _ - / / / \NOTES: / 7 / / / / , 1. THE CONTRACTOR SHALL MINIMIZE DISCHARGE OF -4444,4000, 0,,,,,,,,,,,,,,/ ,,/,/ 7.',,,q...:..-,„ .4,%414,-,---7:=1",-.-4- .4,4nP--4 -...,,k,' -45//1 ( --; ----• / . ' \ ''./ 1 -.44r,b // // /',i ---4'---oh""'"- :4M -`1,,,-/ ' _ _ .._./ '' /--/ r///.^,, 7 ROPOSED SAFETY FENCE i POLLUTANTS FROM EQUIPMENT & VEHICLE WASHING, ,A ."."//,` /// q/7 / jr„,,,W,Ir- •' 7, 1 '(-7.-----;:..-4- " \ WHEEL WASH WATER, & OTHER WASH WATER. WASH i',1,\k 1,..,'%/7/////$// I dr,' 4% -4174111raiwy--- - ,t .0" s / \ SWM FOREST & OPEN SPACE PRESERVATION 4 WATERS FROM THE CONSTRUCTION ENTRANCE SHALL , AT' 4t//,-,( (:c(( * ,..iv/ ,.,.,m,..-4.,,,-..--_,-/ _ e ,--v.17. :*/ 40-1.---__.....7---el,---2.-.--__ Ilk\, / / ..,409 /)//1 1•,11., 4ir *#.44,g, #.4 Jr,- -7--",,---7, - . 'OF DISTURECE --- / BE TREATED VIA THE DOWNSLOPE SEDIMENT TRAP. k'''',,,,,,W__,s-/ //AsZk•-))I)t & ***,,L-ti. .1- .$,....A.37 • ••,/fr . ..--..:___..L.",:--/- s• , , . , . - • ,,? < ,,, N •._.-.,,,, _., /,/,72-3,,/ ,,,w, ,,„,, . . . wow iii,... • -. 4. . LIMITS OF DISTURBANCE N. - ' 2. THE FUELING TANK SHALL BE COMPLETELY ___ - /' - •- SURROUNDED BY A 2' DEEP, 2' WIDE EARTHEN BERM 1, 7.-_--1 ...:-_-----.//1///iy'441bAlt'Ak • -.-44, -../ r '''''' ' L'0.11/fA /1- ''=---,40 \ =11.71 AC -? -,.. - -•: , - ..... li ihr,“,/ --77/.'•---- "K • , t', WITH A HEAVY MIL POLYETHYLENE LINING. THE :-..'4,'It. -----7/, (' 1 it'VF9,4440-54 ..: / /k 1 y At '''•0 I/Ake mik-o"AmpoWdbiliP • \N - - ...-..:-... P 411) , .4ir., • , / / '/ I:- - ' mciiiitor ...--.N . -N '-- ..„ PROPOSED BERM SHALL CONTAIN FUEL SHOULD IT BE --=`-':-.,,- .„' 10 A\411,04.1P4AS, ./ /./ ii ,•:. . 61:7-- - --Is 1... '7••••41`;" ::. '. • \ ..'" SPILLED. SPILLED FUEL SHALL NOT BE RELEASED INTO;. "'-\..\* m 4r 4P4744Vir.•. :4'/1/"?' ';i'':: i A.4 1 11 "1 *''''''' "' :•:. . '°‘‘'"- ''s -- //, ., -,4 _,...... '.,.; ',.•Aw.416k, *-4,,k,taijii ,/, /' ,.. .,,,,,. , 1. /t ivle THE DOWNSLOPE SEDIMENT TRAP. THE CONTRACTOR N4v. ,,,„• ,,,, ,,,- 4,,,,p-w i,b , • fr . -7,p,..1.1.,. to , 4-- ..-•-.,„: ----,.-.,..-....-.;., 40* SHALL ENSURE THE BERM VOLUME IS 10% LARGER *.iv -4„„--;,,,,,,.. .. .. - --%,, ,,w4,,,,, ,i, , ' ;Att.., -f- _.1i-',1, , i'l - -- s• - .• .s..,..,-* .--N\--- 7 - - PROPOSED SAFETY FENCE- - - - -- _THAN THE M,AIMU)M YOLUME 9F STORpQ F ,E . , -c".....„„- " ''' ' -•'11*-wktoz.‘`.." ' '' ''rly ." • - Ilk ;-., "/•-•-,„'.-,'.-;,:....... .,....\,,_ N- - - NSTALL SIGNS "WARNING: Mt '•. -„.,.:-.- ,..,-, \ ,* .' ' l','"/,,*-:,.-.0,444,:ilit's-'1"-.T. --•!1"5...--..ii......4- 4..1 •.1..! / .4 Pd.,0.2,-,,,,,--,--1:-;--; ----- ; 4, '1',,,1.44,04„4./..e 7:',\ • "7-"i OA 4411 4, 4\ • "-- ' - + -\.:_-_---...- N .,,,-,;..i• . --.-.....'•-N N _.___ ___ ___. --- ? .,„ / ,,,,,, 'NV!IVP tV, .i \s, , -,, ifir i 'i '1.-'Z''''` • N EMERGENCY SPILLWAY , ( \\N• Z ' •.`,, z / ,/ / 7 , „,-- / -...,, 0 1 ,,, / Ai .i.1:".....;;,„,,„2„„,,,,„ , . - , , , I r , . - --, \\\.,,,, ..........,7. . ..) 4,, ''''''' '44?4,11‘'‘`‘, • ,. •, .\_____ ..,_, / , '-'..----,• , ..-----AL_. ELEV.=496.33 _._ / \ \s\‘‘ r / ,/ / / /' j / / '444-e 44 / /s:1:b.C>rxl. / Vl'A \ -‘1:s '''''''' :' ' '' i ,111. .)..- f -----=-- -__s- 1 . • - _, -, ___. -- -1-0P OF DAM =497.50 ss-,,,_ -:- \'\ 1 ,z 7 / ;/-/- --- / /y -,:.,...4-.. .:- 1,,//,_ •-.i:-_,>-...--_-•,-.,•::-:1 4,.„,,,A,ii,,x4.,-, \ ..4,„ .,,,,,.....-_,....„..,.__ ss_._._i ., „, _ . ..7W <„,,... •st.:‘,\ / '-'\ , t%vo.,:•:1,,,_#,V1,..7,7A,: •, !-'*,,,,tev.-1\415":7;i,„:,,s#,- ': ' ,.,...., - .,,r,',7:1-",..- .:.': CO1 4:11-1-4.1111111k.''''' - '''-- - \----: ---- --- -------. --. 414. •-ii,:;,..... .,,,,z.., - N,,,tili044.iv ( '''`-'':----- --.__. ---- , / / / •••" \‘,. 44.-41a- \.‘r_Atii,-' •-•'''' - ,,--"1-- 5Nr„,,-,y.' 2_-•:-....__-_,- -,no.,-,' '',-.1- ____,,----7t-, .: . -11.704. -- -s-• -son_ , ---- ,/ '' // .. -,6wh, • - , ,. r r----:•,-,-, --,-.T...t- 15--,,, ‘ ,-.4:-......, :-A----,-.- _,..-- -. i . .......-- . cONTRI)CTION, NTRANqE i / ,. ,..„3, -..1.,,,,k,k,/.. ,. ,,,,---- ___ V;,-,:„,to.-.1_...w,,_ _._"%17.:-?.--- - ---'-----"- •___,<---.:_.---... \ 000,0,_...,,.,,,, ,,..,,, N. ..\\ N 1 / _____- ......,„_....:- ,,_--- ____, / ..„..„-- ) j 1 ' / I I /a, AO .-- _Al*,--•-.NIIIIL:.0e' '--1,11 - '0%, ----- -,...drje '''' -•:, s \ '`.\- , / -/ r- - .....---- / i i / (/ ie -, _ -,•„.„.: „,,, -.., ,,,,,,,, N., \ ,:.;,..\ ,._\ / ' , // -7 --I/ ,-- ---01!"- , ik•:'''' 13‘‘IA:.1> ,N sl!. 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III RCP RISER N \ . l'' It ' ' \ \ \ .\\\. ‘‘N.N.\‘.",%:144.,::: ..'\,,..Z1 . \ \ \ \ , \ RIM=495. 3 , \ \ --,..... ..._ _ , \ -,_-_-___ ''• , , \ ---. -4.....,:- •••, \ - \ , ; + \ N\ ,, •\ s\s, \ \ t------r '..- 4-cr ---._ / / 1 .-- ,-- DUMPSTE , \ \ • -.., \ , , \ '\ \ N , -N-„, ••••• N *,N \ / /, / / / 1 / .----- _.-- ..----- - - _ _ _ _ ____ __,-_ - , ‘ OUTFALL INTO BASINc • ‘ \ mi , \ • , , mi \ \ . \ 5'Wx581x2'D (TYP.) \ • ss-, Nst, NN •.. , / Cli) PROPOSED 24" DIVERSIOJ\I BER ..,,,..,,..? ... _ _____ .,..•, --- .:7__' __- ._, le - / \ NELINe TANK `c i \ 1 1 ' N N, ,.. :,...- '.-- ---'-------___ _, ., -- \ 4 , I 1 \•, ' .. \r/V \ 1 a , „ 1 , , \ \ ,\ \ N\•,,. ,..'; /.- / / 4,,,/ SEDIMENT BASIN 1 , , - - , - PHASE I 1 \ \ I 1 \ , , , ‘, , -__ , i ‘ , __ / ._--- --;-- __---Ogg---- -_,.. ri ,5,4, I ' \ \ \ \ 1.•\ \• . .,, Zr ,----- L---- ...-------- 7' '-- --%#' ,--"''''' N 7.95 ACRES 1 1 1 / a! 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