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HomeMy WebLinkAboutWPO202000004 Plan - Revision WPO VSMP 2020-03-12GENERAL NOTES OWNERS: TMP 04600-oo-oo-osgB4 CROCKETT CORPORATION C/O HAUGH & HELVIN 435 PARK ST CHARLOTTESVILLE, VA 22901 DEVELOPER: RIVERBEND DEVELOPMENT, INC. 455 SECOND STREET SE, SUITE 400 CHARLOTTESVILLE, VA 22903 ENGINEER: COLLINS ENGINEERING zoo GARRETT ST, SUITE K CHARLOTTESVILLE, VA 22902 TAX MAP: 04600-oo-oo-osgB4 D.B. 5011, PG.170 162.75 ACRES ZONING: NEIGHBORHOOD MODEL DEVELOPMENT DISTRICT (ZMA2oi800011 WITH PROFFERS - APPROVED BY THE BOARD OF SUPERVISORS ON JULY 17, 2019) THE CODE OF DEVELOPMENT AND AND APPLICATION PLAN FROM ZMA201500007 ARE STILL VALID AND STILL APPLY TO THE BROOKHILL PROJECT. ENTRANCE CORRIDOR OVERLAY (EC), AIRPORT IMPACT OVERLAY (AIA), MANAGED AND PRESERVED SLOPES OVERLAY DISTRICT, AND FLOOD HAZARD OVERLAY (FH) ZONING DISTRICT. NOTE: A SPECIAL USE PERMIT APPLICATION (SP201500025) WAS APPROVED TO ALLOW THE GRADING ACTIVITIES IN THE FLOOD HAZARD OVERLAY DISTRICT (FH). THE SP WAS APPROVED ON NOVEMBER 9, 2o16 BY BOS WITH CONDITIONS. TOTAL PROJECT AREA: 04600-oo-oo-osgB4-162.75 AC. (PORTION OF) BLOCK 9 -1o.99 AC BLOCK 10 - 9.66 AC BLOCK 11 - 13.g1 AC TOTAL = 34.56 AC PROPOSED USE: 85 TOWNHOUSE (VILLA) UNITS ALLOWABLE DENSITY: BLOCK g: ig UNITS (MIN.) TO 57 UNITS (MAX.) BLOCK io: 9 UNITS (MIN.) TO 27 UNITS (MAX.) BLOCK 1i: 11 UNITS (MIN.) TO 53 UNITS (MAX.) PROPOSED DENSITY: BLOCK 9: 33 UNITS BLOCK 10: 24 UNITS BLOCK 11: 28 UNITS REQUIRED SPACE: B9 B10 Bit CIVIC/PARK GREENWAY OPEN SPACE BUFFERS TOTAL GREEN SPACE 0 1.8 ACRES o 2.8 ACRES 4.6 ACRES 0 3.6 ACRES 1.o ACRES o.1 ACRES 4.7 ACRES 1.2 ACRES 8.2 ACRES 1.3 ACRES o 10.7 ACRES OPEN SPACE PROVIDED: CIVIC/PARK GREENWAY OPEN SPACE BUFFERS TOTAL GREEN SPACE o z. ACRES o. ACRES z. ACRES 1 ACRES 0 3.94 ACRES o.gz ACRES o.3o ACRES 5.16 ACRES 1.10 ACRES 8.66 ACRES o.54 ACRES o 10.3o ACRES Bg B10 B11 BUILDING HEIGHTS: NO MINIMUM HEIGHT REQUIREMENT. MAXIMUM - 3 STORIES / 4o FEET SETBACKS: NEIGHBORHOOD DENSITY RESIDENTIAL - BLOCK 5 TO BLOCK 1g FRONT SETBACK: 8' MIN. & 25' MAX. PORCH SETBACK: 5' MIN & 25' MAX. SIDE SETBACK: 5' MIN & NO MAX. SIDE, CORNER LOT SETBACK: 5' MIN. & NO MAX. REAR SETBACK: io'MIN. & NO MAX. GARAGE SETBACKS: 18' MIN. SUBDIVISION STREETS: CURB & GUTTER WATERSHED: SOUTH FORK RIVANNA RIVER AGRICULTURAL/FORESTAL DISTRICT: NONE TOPOGRAPHY & SURVEY: TOPOGRAPHY WAS COMPILED FROM SURVEY BY LINCOLN SURVEYING AND BELL LAND SURVEYS, JANUARY 2015. BOUNDARY INFORMATION WAS COMPILED BY LINCOLN SURVEYING ON MARCH 7, 2015. FIELD VERIFIED BY COLLINS ENGINEERING IN NOVEMBER OF 2019. DATUM: NAVD 1988 EXISTING VEGETATION: MOSTLY WOODED. PRESERVED/MANAGED SLOPES: PRESERVED AND MANAGED STEEP SLOPES ARE SHOWN WITHIN THE LIMITS OFTHE PROPERTY. SEE EXISTING CONDITIONS SHEET FOR LOCATIONS. LIGHTING: NO LIGHTING IS PROPOSED. PHASING: THESE (3) BLOCKS SHALL BE DEVELOPED AS ONE PROJECT WITH (1) LAND DISTURBANCE PERMITAND(i) LAND DISTURBING ACTIVITY. THETOTALACREAGE OF THE LAND DISTURBANCE WITHIN THIS PHASE IS 18.85 ACRES. RECREATION: UPLAND PARK (CIVIC SPACE #2) i. OUTDOOR PLAZA AND MEETING AREA z. TOT LOT PLAYGROUND AREA 3. OPEN RECREATIONAL AREA 4. HARD SURFACE PLAY COURT SUCH AS A BASKETBALL COURT, TENNIS COURT, OR SPORT COURT 5. MINIMUM 5 SPACES FOR PARKING 6. TRAIL CONNECTION TO THE GREENWAY TRAILS PARKING: TWO (2) OFFSTREET PARKING SPACES ARE PROVIDED PER TOWNHOUSE UNIT. ONE (1) ON STREET PARKING SPACE PER EVERY 4 UNITS IS REQUIRED. 85 UNITS / 4 = 22 PARKING SPACES REQUIRED 22 ON STREET PARKING SPACES PROVIDED BUILDING SITES: EACH LOT CONTAINS A BUILDING SITE THAT COMPLIES WITH THE REQUIREMENTS OF SECTION 4.2.1 OF THE ALBEMARLE COUNTY ZONING ORDINANCE. BURIAL SITES: NO CEMETERIES WERE FOUND DURING FIELD INVESTIGATION OF THESE (3) BLOCK AREAS. FLOODPLAIN: THERE IS A FLOODPLAIN LOCATED ON THIS SITE. FEMA MAP ID 51003Co28oD DATED FEBRUARY 4, 2005. IN ADDITION, A DAM BREACH INUNDATION ZONE EXISTS ON THE PROPERTY FOR THE SOUTH RIVANNA DAM, WHICH IS A FEDERAL DAM LOCATED UPSTREAM OF THE PROPERTY. LANDSCAPING: A LANDSCAPING PLAN IS PROVIDED WITH THE FINAL SITE PLAN IN ACCORDANCE WITH ALBEMARLE COUNTY ORDINANCE SECTION 32.7.9. STREET TREES ARE INCLUDED WITH THE LANDSCAPING DESIGN TO INCORPORATE STREET TREES EVERY 40' ALONG THE ROADWAYS. LAND AREAS: OPEN SPACE: 3.8.27 ACRES (54.6%) LOTS: 7.66 ACRES (22.9%) ROW DEDICATION: 7.51 ACRES (22.5%) PROPOSED IMPERVIOUS AREAS: ROADS & SIDEWALK: 17o,6z5 SF BUILDINGS, PATIOS/DECKS: 95,76o SF DRIVEWAYS: 37,800 SF AMENITIES: 7,150 SF TOTAL IMPERVIOUS AREAS: 311,335 SF (7.15 ACRES) RETAINING WALLS: RETAINING WALLS ARE PROPOSED WITH THIS PROJECT. SEE GRADING & DRAINAGE PLAN FOR WALL LOCATIONS. TRASH: EACH LOT SHALL HAVE AN INDIVIDUAL TRASH CONTAINER. UTILITIES: ALBEMARLE COUNTY WATER & SEWER AFFORDABLE HOUSING: AFFORDABLE HOUSING TO BE PROVIDED IN ACCORDANCE WITH THE APPROVED BROOKHILL PROFFERS. SEE SHEET 16. TOTAL PROPOSED UNITS: 85 TOTAL PROPOSED AFFORDABLE UNITS: 13 UNITS OR CASH IN -LIEU OF AFFORDABLE UNITS NOTE: LOCATION OF AFFORDABLE UNITS TO BE DETERMINED WITH THE FINAL SITE PLAN OR CASH IN -LIEU OPTION. BROOKHILL - BLOCKS 9, 10, & 11 I I I i i l II l l I I I I I I I I I I I I I I II II II II II ills! l�� II II II II II II II II II II II II II II II II II II II II II II I I I I I II II II II II II II II II II II II II II II II II II II II II II II II II II II I I I I II 11 IJ I IQ I I� I 1�" I IW ^ I J = 10 �- z IV) _w_I l I I I�Q I� � I I Q lO > I I� I IZ) I VSMP PLAN RIVANNA MAGISTERIAL DISTRICT ALBEMARLE COUNTY, VIRGINIA W 1 � - VE , 5 RA ,N - __ J o� I LU F- O a o / I I I V) a I------------------0_------------------------- ----------- ` �- -� - ----- - -- - --- ���---------------------------------------------------------- O \ l l 1 PROPOSED ROUTE z9BUFFER I, \ 1 ioo' WIDE BUFFER I (70' NATURAL UNDISTURBED BUFFER+ IF 30' PLANTED/REFORESTED BUFFER)L� -� 1 l ' I LL I LL I OPEN SPACE ; \ LL LL I \ - - m m \ \~ o n z O z • EXTENSION OF STELLA LANE TO ASHWOOD �� BOULEVARD TO BE COMPLETED (UNDER A \ SEPARATE SET OF PLANS) IN ACCORDANCE _4 . \ WITH THE APPROVED BROOKHILL PROFFERS. �� LOT i LOT z LOTS LOT 4 SIT Rio POLO GROUNDS R�q D VICINITY MAP: SCALE: I" = 2000' Sheet List Table Sheet Number Sheet Title 1 COVER z EXISTING CONDITIONS 3 EROSION & SEDIMENT CONTROL NOTES, NARRATIVE & DETAILS 4 EROSION & SEDIMENT CONTROL PLAN - OVERVIEW OF PERIMETER MEASURES 5 PHASE I EROSION & SEDIMENT CONTROL PLAN 6 PHASE I EROSION & SEDIMENT CONTROL PLAN 7 PHASE I EROSION & SEDIMENT CONTROL PLAN 8 PHASE II EROSION & SEDIMENT CONTROL PLAN 9 PHASE 11 EROSION & SEDIMENT CONTROL PLAN 10 PHASE 11 EROSION & SEDIMENT CONTROL PLAN 11 PHASE III EROSION & SEDIMENT CONTROL PLAN 12 PHASE III EROSION & SEDIMENT CONTROL PLAN 13 PHASE III EROSION & SEDIMENT CONTROL PLAN 14 EROSION & SEDIMENT CONTROL DETAILS i5 BOX CULVERT PLAN 16 BOX CULVERT DETAILS 17 STORMWATER MANAGEMENT PLAN 18 STORMWATER MANAGEMENT DETAILS 19 STORMWATER MANAGEMENT DETAILS 20 MANUFACTURER STANDARD NOTES & DETAILS 21 SUBAREA z ONE PERCENT PLAN zz OVERALL BROOKHILL WATER QUALITY COMPLIANCE TABLE & AERATOR DETAILS ,O�T� °O SCOTT R. LLINS� ,U Lic. No. 035'791,� 31 'SIONAL V���� H � z z w w O O U U z O _j j = a O O � U U M rN Z LU \ I CO U) 00 [V z J ,-i N O O a 0 LLJ LU V, LU � z Q Q J J d � LUo > w w W > `� � � tie / \ PROPOSED GREENWAY v� zz TOTAL SHEETS \ I SPACE F,,VOPEI � a \LOTS � - - �� � -" � ��\ � , EROS�ON �,��TROL * lilRGINIA EROSION &SEDIMENT CONTROL HANDBOOK SPECIFICATION NUMBER \ SAFETY FENCE 3.01 LOT 6LOT 34 I LOT 35 LOT 36 � _ _ A \ LOT 7 v - 3 I - O .� r ., CE CONSTRUCTION ENTRANCE 3.02 .. F LOT7 I \ � \ . a .. LOT 38 � \ • \ � \� .• LOT39 ' CR CR CONSTRUCTION ROAD 3.03 \ I LOT 33 _ LOT 8 LOT yo \ \ O 1 • STABILIZATION LOT z 1 PROPOSEDPLANE / �� \ LOR7� ueuc ROAD _ `' ' . 7 LOTyi ` ��� _ `\> � SF SlL T FENCE 3.05 3 _�` .:. • i 49 PUBLIC R/W / LOT4z \ \ lP STORM DRAIN INLET PROTECTION 3.07 �� I LOT31 _ - I LOT FUTURE ROAD EXTENSION O O I 43 (UNDER DIFFERENT SET OF PLANS) LOT 57 DD TEMPORARY DIVERSION DIKE J. 09 I I � LOT 44 � LOT 30 i V A I I LOT 56 � , � � ii _ - \ RW TEMPORARY ROW DIVERSION 3.11 OPEN SPACE I 1 COURTYARD � � \ LOT zg LOT io I LOT 5 F \ LOT 46 \ \ ST SEDIMENT TRAP 3.13 1 0 - ` LOT ii ss a PRi Q� LOT 47 1 _ i �' Loris o n, 1 LOT54��� SB SEDIMENT BASIN 3.14 W OUTLET PROTECTION 3.18 LOT z7 z C C � \ I OP LOT iz \ \ / \ _ \ O LOT 13 I ! RR RIPRAP 3.19 LOT 53 O \ v ' I LOTys � � � V PROPOSED GREEN_ WAY �J LOT z6 LOT 5z LOT 52 LOT 49 LOT 58 ' _ LOT iy \ \ \ 7 7 I LOT 50 \ / f \ 7 LOT 5g \ �\ CD UTILITY STREAM CROSING 3.25 LOT 25 I r \ LOT i5 LOT 6i \ TS TS TEMPORARY SEEDING 3.31 O - - - LOTi6 \ OPEN SPACE / , 7 LOT6z \ \ pS PS PERMANENT SEEDING 3.32 LOT63 O °P TREE PROTECTION 3.38 O I LOT 23 q O - - - - - 7 ' GAG \ O QVO���S� 7 LOT 85 �A LOT 65 \ LOT 84 pRpp Q' " \ DC DC DUST CONTROL 3.39 I a LOT 18 va OgF Rq' • . / LOT 66 A I _ O LOT 83 , 9 p�eape� q� \ LOT zi t � R ��-0 LOT 67 ® � LOTi LOT8z 7 4, qp .� 1\ 9 � V � OPEN SPACE 7 LOT 68 1V LOT zo \ / \ LOT Si J LOT 6g \ OPEN SPACE �\ , LOT So 7 7 LOT 70 LOT 79 1 \� y y ° PROPOSED GREENWAY LOT7s _ LOT72 Cr y 7 - 1 L _ L 72 , - �\ LOT 77 ' LOT LOT 76 PROPOSED GREENWAY / �� �� oT7s I I L \ LOT 74LOT 7� - O O , O E I y W I \ I vv GRAPHIC .CAL---,-----�_v ��� y Y v `y / $b� \ 0 80- 160 - - 320 \ ` SHEET LAYOUT 1 ( IN FEET) I SCALE: 1 11 = 80 1 1 inch = 80 ft. I. o H LU m rM \-i N \ i _q M L9 0, z ti M J Z � N CM 1 N 0 w N Q ' w > W ,-1 zJ - > oZS W Lu O O T� J W ZQ ` = o U U 1 w W U Ul p W z NWN ry - V ! J J W = J� V O 0 c) � O N w U co J H LU � w a � JOB NO. 182150 SCALE 1 11=80' SHEET NO. 1 q ATtHLINE - II COURT - � , -� / I I- I - I I -- � �, � , �� �TH o� 11 , TMP: 0 6B oo-0o-oo1Co SH I� I ���ENSw�� I � 4 5- - % SE TH OWNER: COUNTY OF ALBEMARLE �/� ! I ACREAGE. 4.75AC 1 COTT R. LINS 7 ZONING: PUD SL_ _ - TMP: o46B5-oo-oo-000To O Lie. No. 035791 �- 111 G: 1973/473 % II I )OWNER. FOREST LAKES COMMUNITY 11 ASSOCIATION INC 3/12/20 1 � / _- - � ����� ACREAGE: 4.12AC I - I q_a��o 448 — ,ZONING: PUD l j I ONAL E� DB/PG. 1973/473 4 4 39� S6 ' 0 z8" E 4 61.437 , 1 \ _ I II� I 1. -- ` — --- � i� �--1 ��1l �IIf1I �I� 1I1I_ _ S2e°5643.od W 59 990 \ ' - SW�jd r � GENERAL NOTES: 1. NO FLOODPLAIN EXISTS ON THE SUBJECT SITE PER FEMA I ��0 N84o4T13 —39.920' OQ _ I / FLOODPLAIN MAPS # 51003CO280D. 2. A PROPOSED GREENWAY IS SHOWN ON THE SUBJECT PROPERTY. w w 3. BEFORE BEGINNING SITE WORK, THE CONTRACTOR SHALL I I I� I ( / �� �•�� - � _ / A \ - \ ' �\ � i � _ I `^ 1� III I INVESTIGATE AND VERIFY THE EXISTENCE AND LOCATION OF � P ' 1 � ,\ '� �, � � � 1 1 I N( I �, \ ���� � o 0 u UNDERGROUND UTILITIES MECHANICAL AND ELECTRICAL SYSTEMS I I I I \ AND OTHER CONSTRUCTION AFFECTING THE WORK. BEFORE I I \ \ \ �� p r z EXISTING SANITARY SEWER AND 1� I �; , Q EXISTING STREAM — zo SANITARY SEWER EASEMENT CONSTRUCTION THE CONTRACTOR SHALL VERIFY THE LOCATION I -I I I \ \ I v u AND INVERT ELEVATIONS AT POINTS OF CONNECTION OF SANITARY I _ - III/� 1 �� V I I IIII \ / �I �� o 0 I � \ I I , U) CIO °' N SEWER, STORM SEWER, AND WATER -SERVICE PIPING; I �, I I II 1 A I I �� l -\ w 00 F' f y - IIII O �� // S4s31'oa63E UNDERGROUND ELECTRICAL SERVICES, AND OTHER UTILITIES. THE \ ( - 1i CONTRACTOR SHALL FURNISH LOCATION DATA FOR WORK RELATED A , �. BLOCK 1 I I Q I I 3 A Q o w TO PROJECT THAT MUST BE PERFORMED BY PUBLIC UTILITIES �I I I �I I �� V I U) wa ryI III II IIII _- >SERVING THE PROJECT SITE. = zQa z Qa \ 4. CONTRACTOR SHALL VERIFY SIZE TYPE &LOCATION OF EXISTING WATER LINES ON THE SITE. z EXISTING WETLANDS (TYP.) I i�I ATCHLIN = > L ILu TMP: o46B5-00-0o-oo1Co SE ET - ::: w THIS SH > Lu all Lu — — II OWNER: COUNTY OF ALBEMARLE � V� I \� 1 ACREAGE. 475AC ` � \� ZONING: PUD DB/PG: 1973/473 �I / w I 7 oUNDISTURBED ° \ L •6 P 1 � s _ - TMP. 04600 00 00 o18Bo O I I, I I I I BUFFER AREA z o OWNER: HORNE LAND CORPORATION _ liI�NaIII PROPOSED �v \ s64°04'39.z8°E 461.43T ACREAGE: 46 - i - - .43 AC = 0,0 OM,1 ww Lu 'LANDSCAPE/REFORESTED ZONING: RURAL w w GREENWAY TYP. BLOCK12 S2z*s� 43.0o W s9.990 MBUFFER AREA w mm 3oDB/PG: 624/191 �0 O 0N BLOCK 10 v \\A PROJECT BOUNDARY (TYP.) _° o° ° ��III 39.g�p'N84°4T13.� y i N V1 rl vi o I z — I °9 \ \ EXISTING SANITARY SEWER AND I I\ �Il L9 Q �� I I _ BLOCK9 zo SANITARY SEWER EASEMENT "�- \ - / 5� Co cri Y \ V I V � � - — — �5:� 0 L .._ / ALBEMARLE COUNTY ♦ BLOCK i1 . M li MANAGED STEEP SLOPES ♦ \, °' — — / II l� - rl Ir rl O o ♦ v s \u v --- "��II♦ i v°� v of — —N I 1► 6�„ v I \ _ o ♦ z I \ o _ N I 9 I ♦ III; �I III � � I I; � — � = � ♦ � � . \ - _ ALBEMARLE COUNTY PRESERVED STEEP SLOPES \ \ \ / LIMITS OF SUNNY o \ s , J -- - _--- DAY DAM BREACH © \ Ld � / � w °=° >— 6O6 ° 3 �4 z7�37E 576. z9 L- 8. z8, R-538.o 0= o°N63°44'27-37"W 576.929' So49'z1. 6'W 5o.z73' 43 99 4 5 PROPOSED 0=546 0~ 00 y s �{ �s, �o ..� y• I- i--i 46-- - GREENWAY, TYP. o..s� N1g° 30' 22.28"E 51.070' 7` I� �� �� - — - _ o�s�o / J Z III L9 II v — _—�--OD � --_- \, / � 0 M \ --- -� - A \ oo00 �0 c �- \ \ o _ �/ice - Q� \ SWM FACILITY & ��a O ACCESS EASEMENT ��-- �� ;�o �� - - \ a / ° i � J BLOCK B I I. SWM FACILITY& ¢s� v N44°4o � . - - _ -- - _ -- -- --- - O �� �� I I � �/ �/ Ff 4 s. �� �� ACCESS EASEMENT o - X - - SDP2o2800014 ° \ W I I' o' -5 \ \ u.INITIAL SITE PLAN 69 16"S. 71o0./U 0 APPROVED 05/25/2oi8 N / i BLOCK z `( SDP2os800050 Ln a a 400 FINAL SITE PLAN m , \ I I Q•-- SUB201$OQ081 \ �. I ry rv\\ \ \\ -- --- _ - ----- ---- _- - o j EXISTING LIMITS - _ o OFTREELINE \ _ _ - -_ -- _ a '1 1 - — — _ — — — - \ \• LANDSCAPE oPROJECT BOUNDARY (TYP.) -10o PRIVATE EXISTING STREAM EASEMENT / � \�� ° v �- HZ� ff \ I\ LIMITS OF FEMA APPROVED N59°0z4.86"W 92•959' � AI� I1I ,♦o o °o y_ Q10o YR FLOODLAIN� BLOCK1 D 0, Q N I % o �� , - — _ I - - 0 0 I (C RRPROPOENTDLYOUNDER REVIEW) % / _—�_� � 1 1 AD _ � I I I% - -- - -ui SUB201700117 iii �// — —� ��� / �� I I I I I- - �� 0 w U) JOB NO IIII IIII I J III I I I( I III�I. \ II FS f , x I , •-' '" �.. .. I s Wh � s W W - 182150 ' I W W w GRAPHIC SCALE oc� SCALE II I II II 1 i 100 o so 200 zoo 1 "=100' II ^r ��� — 00 SHE .. � III Illllll Ijl 111 � _ ..; � IN FEET _ ET NO. I I I I \ I % - 1 inch 100 ft. 1992 3.38 EROSION & SEDIMENT CONTROL EROSION CONTROL NOTES MEASURES: 1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE IN DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. 2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND STRUCTURAL PRACTICES USED /N THIS SECT/ON CONSIST OF THE FOLLOWING: MAINTAINED ACCORDING TO MIN/MUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VT 3.01 SAFETY FENCE: 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS. A PROTECTIVE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CONTROL MEASURE. J. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR TO PROHIBIT THE UNDESIRABLE USE OF AN EROSION CONTROL MEASURE BY THE PUBLIC. AS THE FIRST STEP IN CLEARING. APPLICABLE TO ANY CONTROL MEASURE OR SERIES OF MEASURES WHICH CAN BE 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE CONSIDERED UNSAFE BY VIRTUE OF POTENTIAL ACCESS BY THE PUBLIC. MAINTAINED ON THE SITE AT ALL TIMES. 3.02 CONSTRUCTION ENTRANCE: 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN A STABILIZED CONSTRUCTION ENTRANCE LOCATED AT POINTS OF VEHICULAR INGRESS AND INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF -SITE BORROW OR EGRESS ON A CONSTRUCTION SITE. TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. CONSTRUC7ON ENTRANCES SHALL CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING BE INSTALLED AS SHOWN ON 7HE PLANS TO REDUCE THE AMOUNT SEDIMENT TRANSPORTED AUTHORITY. ONTO PUBLIC ROADWAYS. 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION 3.03 CONSTRUCTION ROAD STABILIZATION: CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS THE 7EMPORARY STABILIZATION OF ACCESS ROADS, SUBDIVISION ROADS, PARKING AREAS, DETERMINED BY THE PLAN APPROVING AUTHORITY. AND OTHER SITE VEHICLE TRANSPORTATION ROUTES WITH STONE IMMEDIATELY AFTER 7 ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES GRADING. TO REDUCE EROSION OF TEMPORARY ROADBEDS BY CONSTRUCTION TRAFFIC AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT DURING WET WEATHER AND TO REDUCE EROSION AND SUBSEQUENT REGARDING OF UNTIL FINAL STABILIZATION IS ACHIEVED. PERMANENT ROADBEDS BETWEEN THE TIME OF INITIAL GRADING AND FINAL STABILIZATION. & DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED USE WHEREVER STONE -BASE ROADS OR PARKING AREAS ARE CONSTRUCTED, WHETHER FILTERING DEVICE. PERMANENT OR TEMPORARY, FOR USE BY CONSTRUCTION TRAFFIC. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR 3.05 SILT FENCE: CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYNTHETIC FILTER FABRIC STRETCHED BE MADE IMMEDIATELY. ACROSS AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION 10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA. OPERATIONS IN ORDER TO PREVENT SEDIMENT FROM LEAVING THE SITE, AND TO DECREASE 11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL THE VELOCITY OF SHEET FLOWS AND LOW -TO -MODERATE LEVEL CHANNEL FLOWS. THE SILT SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND FENCE BARRIERS SHALL BE INSTALLED DOWN SLOPE OF AREAS WITH MINIMAL GRADES TO OTHER DEBRIS. FILTER SEDIMENT LADEN RUNOFF FROM SHEET FLOW AS INDICATED. THEY SHALL BE 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE WITH THE PER ZONING ORDINANCE SECTION 5.1.28. VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK (VESCH). 13. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301 OF THE CODE OF ALBEMARLE. 3.07 STORM DRAIN INLET PROTECTION: 14. BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT A SEDIMENT FILTER OR AN EXCA VA TED IMPOUNDING AREA AROUND A STORM DRAIN DROP SHALL BE LIMITED TO THE HOURS OF T 00 AM TO 9: 00 PM. INLET OR CURB INLET. TO PREVENT SEDIMENT FROM ENTERING STORM DRAINAGE SY57EMS 15. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAT PRIOR TO PROTECTION APPLIES PERMANENT STABILIZATION OF THE DISTURBED AREA. I WHERE STORM DRAIN INLETS ARE TO BE MADE OPERATIONAL BEFORE PERMANENT S MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS, STABILIZATION OF THE CORRESPONDING DISTURBED DRAINAGE AREA. PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS AND DAMAGE TO ANY PUBLIC STREET BECAUSE OF SLIDES, SINKING, OR COLLAPSE. 3.09 TEMPORARY DIVERSION DIKE: 16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR A TEMPORARY RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A CONVERT TO PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE APPLICABLE SLOPING DISTURBED AREA. TO DIVERT STORM RUNOFF FROM UPSLOPE DRAINAGE AREAS ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE AWAY FROM UNPROTECTED DISTURBED AREAS AND SLOPES TO A STABILIZED OUTLET. TO SALE OF ANY LOT, UNIT, BUILDING OR OTHER PORTION OF THE PROPERTY. DIVERT SEDIMENT -LADEN RUNOFF FROM A DISTURBED AREA TO A SEDIMENT -TRAPPING 17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING FACILITY SUCH AS A SEDIMENT TRAP OR SEDIMENT BASIN. USE WHEREVER STORMWATER ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO IS TO BE AT 75 LBS/ RUNOFF MUST BE TEMPORARILY DIVERTED TO PROTECT DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT ON SITE DURING C0NS7RUC770N. THESE STRUCTURES GENERALLY HAVE A CONSIST A 50/50 MIX OF ANNUAL RYGRASS AND CEREAL WINTER RYE, OR IN MARCH LIFE EXPECTANCY OF 18 MONTHS OR LESS, WHICH CAN BE PROLONGED WITH PROPER AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF MAINTENANCE. GERMAN MILLET. STRAW MULCH IS TO BE APPLIED AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR. 3.11 7EMPORARY RIGHT-OF-WAY DIVERSION: 18. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND A RIDGE OF COMPACTED SOIL OR LOOSE ROCK OR GRAVEL CONSTRUCTED ACROSS MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90LBS/1000SF, DISTURBED SLOPIRIGHTNG RIGHT- Y AND SIMILAR SLOPING AREAS TO SHORTEN THE FLOW LENGTH WITHIN A SLOPING RIGHT-OF-WAY WAY, THEREBY REDUCING THE EROSION PO1EN77AL BY INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT DIVERTING STORM RUNOFF TO A STABILIZED OUTLET. GENERALLY, EARTHEN DIVERSIONS ARE 1000LBS/ACRE AND CONSIST OF A 10-20-10 NUTRIENT MIX. PERMANENT SEEDING APPLICABLE WHERE THERE WILL BE LITTLE OR NO CONSTRUCTION TRAFFIC WITHIN THE SHALL BE APPLIED AT 180LBS/ACRE AND CONSIST OF 957. KENTUCKY 31 OR TALL RIGHT-OF-WAY. GRAVEL STRUCTURES ARE MORE APPLICABLE TO ROADS AND OTHER FESCUE AND 0-59' PERENNIAL RYGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS RIGHTS -OF -WAY WHICH ACCOMMODATE VEHICULAR TRAFFIC. TO BE APPLIED AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVAL BY THE 3.13 TEMPORARY SEDIMENT TRAP: EROSION CONTROL INSPECTOR. A TEMPORARY PONDING AREA FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A 19. MAINTENANCE. • ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH STONE OUTLET. TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED AREAS LONG RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIRED ENOUGH TO ALLOW THE MAJORITY OF THE SEDIMENT TO SETTLE OUT. USE BELOW IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 507. OF THE WET STORAGE DISTURBED AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS LESS THAN 3 ACRES, VOLUME IS FILLED WITH SEDIMENT. ALL SEEDED AREAS ARE TO BE RESEEDED WHEN WHERE THE SEDIMENT TRAP WILL BE USED NO LONGER THAN 18 MONTHS, AND IT MAYBE NECESSARY TO ACHIEVE A GOOD STAND OF GRASS. SILT FENCE AND DIVERSION CONSTRUCTED EITHER INDEPENDENTLY OR IN CONJUNCTION WITH A TEMPORARY DIVERSION DYKES WHICH ARE COLLECTING SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED DIKE. AND REPAIRED IMMEDIATELY. 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED 3.14 TEMPORARY SEDIMENT BASIN: WITHIN 30 DAYS OF FINAL SITE STABILIZATION WHEN MEASURES ARE NO LONGER A TEMPORARY BARRIER OR DAM WITH A CONTROLLED RELEASE STRUCTURE NEEDED, SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR. FORMED B Y CONSTRUCTING EMBANKMENT ACTED OIL COMPACTED TED SOUL ACROSS A U DRAINAGEWAY. TO DETAIL SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS E 21. THE E&S INSPECTOR HAS THE AUTHORITY TO ADD OR DELETE E&S CONTROLS AS IN "WET" AND `DRY" STORAGE LONG ENOUGH FOR THE MAJORITY OF THE SEDIMENT TO NECESSARY IN THE FIELD AS SITE CONDITIONS CHANGE. IN ADDITION NO SEDIMENT SETTLE OUT. APPLIES BELOW DISTURBED AREAS WHERE THE TOTAL CONTRIBU7NG DRAINAGE BASIN OR TRAP CAN BE REMOVED WITHOUT WRITTEN AUTHORIZATION. AREA IS EQUAL TO OR GREA7ER THAN THREE ACRES. THERE MUST BE SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY FOR THE CONSTRUCTON OF A TEMPORARY IMPOUNDMENT. SOIL DESCRIPTION 3.18 OUTLET PROTECTION: STRUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPATING DEVICES PLACED AT THE OUTLETS OF PIPES OR PAVED CHANNEL SECTIONS. TO PREVENT SCOUR AT STORMWATER OUTLETS, TO PROTECT THE OUTLET STRUCTURE, AND TO MINIMIZE THE POTENTIAL FOR DOWNSTREAM EROSION BY REDUCING THE VELOCITY AND ENERGY OF CONCENTRATED STORMWATER FLOWS. APPLICABLE TO THE OUTLETS OF ALL PIPES AND ENGINEERED CHANNEL SECTIONS. 3.19 RIPRAP: A PERMANENT, EROSION -RESISTANT GROUND COVER OF LARGE, LOOSE, ANGULAR STONE WITH FILTER FABRIC OR GRANULAR UNDERLINING. TO PROTECT THE SOIL FROM THE EROSIVE FORCES OF CONCENTRATED RUNOFF SLOW THE VELOCITY OF CONCENTRATED RUNOFF WHILE ENHANCING THE POTENTIAL FOR INFILTRATION, AND TO STABILIZE SLOPES WITH SEEPAGE PROBLEMS AND OR NON -COHESIVE SOILS. USE WHEREVER SOIL AND WATER INTERFACE AND THE SOIL CONDITIONS, WATER TURBULENCE AND VELOCITY, EXPECTED VEGETATIVE COVER, ETC., ARE SUCH THAT THE SOIL MAY ERODE UNDER THE DESIGN FLOW CONDITIONS. 3.25 UTILITY STREAM CROSSING: A STRATEGY FOR CROSSING SMALL WATERWAYS WHEN IN -STREAM UTILITY CONSTRUCTION IS INVOLVED. TO HELP PROTECT SEDIMENT FROM ENTERING THE STREAM FROM CONSTRUCTION WITHIN APPROACH AREAS TO MINIMIZE THE AMOUNT OF DISTURBANCE WITHIN THE STREAM ITSELF. GENERALLY APPLICABLE TO FLOWING STREAMS WITH DRAINAGE AREAS LESS THAN ONE SQUARE MILE. 3.31 TEMPORARY SEEDING. THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING WITH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS. TO REDUCE EROSION AND SEDIMENTATION BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE FOR A PERIOD OF MORE THAN 30 DAYS TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO DOWNSTREAM OR OFF -SITE AREAS, AND TO PROVIDE PROTECTION TO BARE SOILS EXPOSED DURING CONSTRUCTION UNTIL PERMANENT VEGETATION OR OTHER EROSION CONTROL MEASURES CAN BE ESTABLISHED. 3.32 PERMANENT STABILIZATION: THE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PLANTING SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS. TO PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO SITE CONDITIONS, AND ALLOWS SELECTION OF THE MOST APPROPRIATE PLANT MATERIALS. TO IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF CONSTRUCTION ACTIVITIES, ALL AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER. 3.38 TREE PRESERVATION AND PROTECTION: PROTECTION OF DESIRABLE TREES FROM MECHANICAL OR OTHER INJURY DURING LAND DISTURBING AND CONSTRUCTION ACTIVITY. TO ENSURE THE SURVIVAL OF DESIRABLE TREES WHERE THEY WILL BE EFFECTIVE FOR EROSION AND SEDIMENT CONTROL, WATERSHED PROTECTION, LANDSCAPE BEAUTIFICATION, DUST AND POLLUTION CONTROL, NOISE REDUCTION, SHADE AND OTHER ENVIRONMENTAL BENEFITS WHILE THE LAND IS BEING CONVERTED FROM FOREST TO URBAN -TYPE USES. APPLIES IN TREE -INHABITED AREAS SUBJECT TO LAND DISTURBING ACTIVITIES. 3.39 DUST CONTROL: REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOLITION AND CONSTRUCTION ACTIVITIES. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT HEALTH HAZARDS, TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH THE VESCH. 278-ELIOAK LOAM-2 TO 77, SLOPES. SOIL IS WELL DRAINED WITH A MEDIUM RUNOFF CLASSIFICATION. SURFACE LAYER IS TYPICALLY LOAM AND ABOUT 0-8" THICK. THE DEPTH TO THE WATER TABLE IS GENERALLY MORE THAN 80 ". 27C-ELIOAK LOAM-7 TO 75% SLOPES. SOIL IS WELL DRAINED WITH A MEDIUM RUNOFF CLASSIFICATION. SURFACE LAYER IS TYPICALLY LOAM AND ABOUT 0-8" THICK. THE DEPTH TO THE WATER TABLE IS GENERALLY MORE THAN 80 ". 34C-GLENELG LOAM-7 TO 15% SLOPES. SOIL IS WELL DRAINED WITH A MEDIUM RUNOFF CLASSIFICATION. SURFACE LAYER IS TYPICALLY LOAM AND ABOUT 0-8" THICK. THE DEPTH TO THE WATER TABLE IS GENERALLY MORE THAN 80". 34D-GLENELG LOAM-15 TO 25% SLOPES. SOIL IS WELL DRAINED WITH A HIGH RUNOFF CLASSIFICATION. SURFACE LAYER IS TYPICALLY LOAM AND ABOUT 0-6" THICK. THE DEPTH TO THE WATER TABLE IS GENERALLY MORE THAN 80 ". 39D-HAZEL LOAM-15 TO 25% SLOPES. SOIL IS EXCESSIVELY DRAINED WITH A MEDIUM RUNOFF CLASSIFICATION. SURFACE LAYER IS TYPICALLY LOAM AND ABOUT 0-10" THICK. THE DEPTH TO THE WATER TABLE IS GENERALLY MORE THAN 80". 95-WEHADKEE SILT LOAM-0 TO 2% SLOPES. SOIL IS POORLY DRAINED WITH A VERY HIGH RUNOFF CLASSIFICATION. SURFACE LAYER IS TYPICALLY SILT LOAM AND ABOUT 0-70" THICK. THE DEPTH TO THE WATER TABLE IS GENERALLY 0-30". REFERENCE- WEB SOIL SURVEY ONLINE DATABASE FOUND AT htt websoilsurve .nres.usdo. ov a WebScilSLIrve .as x R �� Y 9� PP� Y P EROSION CONTROL NOTES ES-1: UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS. ES-2: THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. ES-J.-ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. ES-4: A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. ES-5.-PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING BUT NOT LIMITED TO, OFF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. ES-6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL 1 EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. ES-7.-ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. ES-8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED WATER FILTERING DEVICE. I ES-9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. GENERAL SLOPE (3:1 OR LESS PER ACRE TOTAL LBS KENTUCKY 31 FESCUE 128 LBS. RED TOP GRASS 2 LBS. SEASONAL NURSE CROP 20 LBS. SEASONAL NURSE CROP 150 LBS FEBRUARY 16 THROUGH APRIL ANNUAL RYE - MAY 1 THROUGH AUGUST 15 FOXTAIL MILLET AUGUST 16 THROUGH OCTOBER ANNUAL RYE NOVEMBER THROUGH FEBRUARY 15 WINTER RYE NOTES: = DESCRIPTION OF EROSION & SEDIMENT EROSION CONTROL NOTES & NARRATIVE CONTROL MEASURES: PROJECT DESCRIPTION. EROSION AND SEDIMENT CONTROL MEASURES: THE PURPOSE OF THIS LAND DISTURBANCE ACTIVITY IS TO CONSTRUCT RESIDENTIAL HOMES AND THEIR CORRESPONDING INFRASTRUCTURE. THIS PROJECT PROPOSES TO DISTURB 18.85 cc. OF LAND. THE PROJECT WILL BEGIN ITS CONSTRUCTION WITH THE PROPOSED ESC IT IS ANTICIPATED TO USE A CONSTRUCTION ENTRANCE, RIPRAP, OUTLET PROTECTION, MEASURES IMMEDIATELY FOLLOWING PLAN APPROVAL, WHICH IS ANTICIPATED TO BE IN THE WINTER OF 2020. THE WORK IS ANTICIPATED DIVERSIONS, SEDIMENT TRAPS, SEDIMENT BASINS, A UTILITY STREAM CROSSING AND SILT TO BE COMPLETED WITHIN 18 MONTHS AND TO CONCLUDE IN THE SUMMER OF 2021. FENCES TO CONTROL SURFACE DRAINAGE. TEMPORARY SEEDING WILL BE USED IMMEDIATELY EXISTING SITE CONDITIONS: FOLLOWING ALL LAND DISTURBANCE ACTIVITIES TEMPORARY STOCKPILE AREAS ARE NOT BE THE AREA OF THE PROPOSED DEVELOPMENT IS LARGELY WOODED AREAS WITH OPEN SPACES AND LIGHT UNDERBRUSH. THIS SITE REQUIRED WITH THIS PROPOSED DESIGN. SHOULD FIELD ADJUSTMENTS NECESSITATE A SMALL GENERALLY SLOPES FROM THE WEST TO THE EAST, AND FROM THE NORTH TO THE SOUTH. THE SITE IS GENERALLY STEEP AND IS WELL DRAINED. STOCKPILE AREA, IT SHALL BE DISCUSSED WITH THE ESC INSPECTOR AHEAD OF TIME. THE ADJACENT AREAS: STOCKPILE WILL NEED TO BE MAINTAINED AND STORED FOR LATER SPREADING. STOCKPILE THIS SITE IS BORDERED ON THE EAST BY A STREAM PROPOSED TO BE PRESERVED. NORTH OF THE PROPOSED SITE IS ROUTE 29. WEST LOCATIONS SHALL BE ON SITE AND SHALL BE STABILIZED WITH A TEMPORARY VEGETATIVE OF THE DEVELOPMENT IS A SITE CURRENTLY UNDER REVIEW UNDER A DIFFERENT SET OF PLANS. THUS AREA IS SERVED BY STELLA ROAD COVER. PERMANENT SEEDING WILL BE PERFORMED FOR ALL AREAS WHICH WILL NO LONGER BE UNDER SDP 201700117. STELLA ROAD IS PROPOSED TO BE EXTENDED WITH THIS PLAN. TO THE SOUTH OF THE PROPOSED DISTURBANCES EXCAVATED AND WHERE CONSTRUCTION ACTIVITIES HAVE CEASED. PERMANENT SEEDING SHALL IS THE STREAM REFERENCED ABOVE. THE STREAM WRAPS AROUND THE PROPOSED DISTURBANCES. ALL OF THE AFOREMENTIONED AREAS ARE CURRENTLY VACANT. SILT FENCE WITH WIRE BACKING, DIVERSIONS, SEDIMENT TRAPS & BASINS, INLET CONTROLS A UTILITY STREAM ALSO BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FORA YEAR OR CROSSING AND VARIOUS OTHER ESC MEASURES ARE PROPOSED TO LIMIT THE POTENTIAL FOR CONTAMINATION OF THESE ADJACENT MORE. SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. TEMPORARY PROPERTIES AND WATERWAYS. SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR OFFS17F LAND DISTURBANCE.• MORE THAN SEVEN DAYS. THESE AREAS SHALL BE SEEDED WITH FAST GERMINATING OFFSITE LAND DISTURBANCE IS LIMITED TO PUBLIC RIGHT-OF-WAY AND AREAS LOCATED WITHIN THE OVERALL BROOKHILL DEVELOPMENT VEGETATION IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS. SELECTION OF SEED MIXTURE BOUNDARY. SOILS.• WILL DEPEND ON THE TIME OF YEAR APPLIED. SEE SOIL DESCRIPTIONS ON THIS PAGE AND THE PHASE I EROSION & SEDIMENT CONTROL PLAN FOR BOUNDARIES, SOIL TYPES AND SOIL DESCRIPTIONS. 3.01 SAFETY FENCE- TO DISCOURAGE ACCESS TO A PARTICULAR AREA. CRITICAL AREAS.° 3.02 CONSTRUCTION ENTRANCE - TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO PAVED EXISTING WETLANDS AND INTERMITTENT STREAMS ARE LOCATED ON THE PROPERTY DOWNGRADIENT FROM THE PROPOSED DEVELOPMENT. PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. THESE AREAS, IN ADDITION TO THE MANAGED AND PRESERVED STEEP SLOPES, ARE CONSIDERED TO BE CRITICAL AREAS. THE 3.03 CONSTRUCTION ROAD STABILIZATION - TO REDUCE THE EROSION OF TEMPORARY CONTRACTOR SHALL GIVE EXTRA ATTENTION AND CAUTION IN AND AROUND THESE AREAS TO ENSURE SEDIMENT IS NOT DEPOSITED ON THEM OUTSIDE THE SCOPE OF THE PROPOSED PLAN. TREE PROTECTION FENCING, SILT FENCING, DIVERSIONS AND SEDIMENT TRAPPING ROADBEDS BY CONSTRUCTION TRAFFIC AND TO REDUCE THE EROSION AND SUBSEQUENT DEVICES SHALL ALSO BE INSTALLED AS A FIRST STEP IN LAND DISTURBANCE TO ENSURE THESE CRITICAL AREAS ARE MAINTAINED. REGARDING OF PERMANENT ROADBEDS BETWEEN THE TIME OF INITIAL GRADING AND FINAL SEQUENCE OF CONSTRUCTION: STABILIZATION. CONSTRUCTION ROAD STABILIZATION WILL BE APPLIED TO THE CONTRACTOR 1. CONTRACTOR SHALL NOTIFY THE ALBEMARLE COUNTY COMMUNITY DEVELOPMENT ENGINEERING DEPARTMENT TO SCHEDULE A PARKING &STAGING AREAS AS NEEDED. PRE -CONSTRUCTION MEETING. 3.05 SILT FENCE- SILT FENCE IS PROPOSED, WHERE SHOWN ON THE PLANS. 2. PRIOR TO DISTURBANCES, THE LIMITS OF DISTURBANCE SHALL BE FLAGGED AND THE TREE PROTECTION FENCING SHALL BE INSTALLED. 3.07 STORM DRAIN INLET PROTECTION- INLET PROTECTION IS PROPOSED ON INLETS, WHERE J. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT THE APPROVAL FROM THE SHOWN ON THE PLANS. INSPECTOR ON THE PROJECT. 3.09 DIVERSION- PERIMETER DIVERSIONS ARE PROPOSED WHERE SHOWN ON THE PLANS TO 4. INSTALLATION OF THE PROPOSED CONSTRUCTION ENTRANCE SHALL OCCUR NEXT. THE CONTRACTOR SHALL APPLY CONSTRUCTION DIRECT RUNOFF INTO A SEDIMENT TRAPPING DEVICE. ROAD STABILIZATION AS NEEDED. CONTRACTOR SHALL ENSURE THE CONSTRUCTION ENTRANCE DRAINS TO AN ADEQUATE E&S MEASURE. THE CONTRACTOR SHALL INSTALL SEDIMENT TRAP #5 FOR VEHICULAR WASH OFF, ALONG WITH THE ASSOCIATED DIVERSION 3.13 SEDIMENT TRAP- SEDIMENT TRAPS ARE PROPOSED WHERE SHOWN ON THE PLANS. BERMS AND RIGHT OF WAY DIVERSION BERM. CONSTRUCTION ENTRANCE TO BE INSTALLED WHERE CONSTRUCTION VEHICLE ROUTES 3.14 SEDIMENT BASIN- SEDIMENT BASINS ARE PROPOSED WHERE SHOWN ON THE PLANS. INTERSECT PAVED PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING 3.18 OUTLET PROTECTION -OUTLET PROTECTION IS PROPOSED AT THE OUTLET OF PIPES. 3.19 ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PUBLIC ROAD SURFACE, THE ROAD SHALL BE CLEANED RIPRAP- RIPRAP IS PROPOSED AT THE OUTLET OF PIPES. THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND 3.25 UTILITY STREAM CROSSING -A UTILITY STREAM CROSSING IS PROPOSED FOR THE TRANSPORTING TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. SEDIMENT LADEN RUN-OFF FROM THE CONSTRUCTION ENTRANCE AND DISTURBED AREA WITHIN THE DRAINAGE CONSTRUCTION OF STELLA LANE'S EXTENSION. AREA TO SEDIMENT TRAP #5 SHALL BE ROUTED TO THE TRAP WITH THE INSTALLATION OF THE DIVERSION BERMS AND ROW 3.32 PERMANENT SEEDING -PERMANENT SEEDING lS REQUIRED AND PROPOSED WITH THIS PLAN. DIVERSION BERM. 3.38 TREE PRESERVATION AND PROTECTION- TREE PROTECTION IS PROPOSED WITH THIS PLAN. 5. ONCE THE CONSTRUCTION ENTRANCE HAS BEEN INSTALLED ALONG WITH SEDIMENT TRAP #5 AND ITS ASSOCIATED DIVERSION BERMS SEE THE ESC PLAN FOR THE REQUIRED LOCATIONS. AND RIGHT OF WAY DIVERSION BERM, THE CONTRACTOR SHALL INSTALL THE UTILITY STREAM CROSSING (PROPOSED CULVERT Source: Va. DSWC 3.39 DUST CONTROL -DUST CONTROL IS REQUIRED AND PROPOSED WITH THIS PLAN. CROSSING.) 6. THE CONTRACTOR SHALL INSTALL THE 6' WIDE 2.1 SIDE SLOPE TYPE B UTILITY STREAM CROSSING AS SHOWN AND NOTED ON PHASE MA/NTENANCE• I OF THE EROSION AND SEDIMENT CONTROL PLANS THIS SHALL INCLUDE THE STREAM DIVERS/ON AND THE INSTALLATION OF THE II construction entrance for er(mian control plains • CULVERT. ONCE THE COUNTY AND VDOT INSPECTORS HAVE APPROVED THE CULVERT INSTALLATION, THE CONTRACTOR MAY INSTALL IN GENERAL, DURING CONSTRUCTION THE RLD OR CONTRACTOR ON -SITE WILL CHECK ALL EROSION THE FILL MATERIAL OVERALL THE CULVERT. THE DOWNSTREAM EROSION CONTROL MEASURES SHALL BE INSTALLED PRIOR TO THE AND SEDIMENT CONTROL MEASURES DAILY AND AFTER EACH SIGNIFICANT RAINFALL. MONITORING INSTALLATION OF THE FILL MATERIAL, INCLUDING THE WIRE SILT FENCE. THE CONTRACTOR SHALL ONLY INSTALL ENOUGH FILL REPORTS WILL BE REQUIRED FROM THE RLD IF NEEDED. SPECIFIC ATTENTION WILL BE GIVEN TO MATERIAL OVER THE CULVERT PIPE TO ACCESS THE AREAS ON THE NORTH SIDE OF THE CULVERT PIPE. THE FOLLOWING ITEMS 7. ONCE ENOUGH FILL MATERIAL HAS BEEN INSTALLED FOR A STREAM CROSSING WITH THE EARTH MOVING EQUIPMENT, THE a. SEDIMENT BASINS AND/OR TRAPS WILL BE CLEANED AND MAINTAINED IN ACCORDANCE WITH CONTRACTOR SHALL CONTINUE TO INSTALL THE REMAINING ESC CONSTRUCTION MEASURES, AS SHOWN ON THE PHASE I EROSION & THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK. SEDIMENT CONTROL PLAN. THE MEASURES INCLUDE INSTALLING THE PERIMETER SILT FENCE AND PERIMETER DIVERSION BERMS. b.ALL GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR SEDIMENT BUILDUP THAT WILL PERIMETER MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE PREVENT PROPER DRAINAGE. IF THE GRAVEL IS CLOGGED BY SEDIMENT, THE GRAVEL WILL BE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. REMOVED AND CLEANED, OR IT WILL BE REPLACED. 8. ONCE THE PERIMETER EROSION CONTROL MEASURES HAVE BEEN INSTALLED, AND THE COUNTY INSPECTOR HAS APPROVED THESE c. ALL SILT FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING OR DETERIORATION MEASURES, THE CONTRACTOR MAY PROCEED WITH THE LAND CLEARING OPERATIONS FOR THE INSTALLATION OF THE SEDIMENT TRAPS OF THE FABRIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL BE REMOVED WHEN THE LEVEL AND SEDIMENT BASINS THE CONTRACTOR SHALL BEGIN BY CLEARING THE AREAS REQUIRED TO ACCESS THE LOCATIONS OF SEDIMENT OF SEDIMENT DEPOSITION REACHED HALF WAY TO THE TOP OF THE BARRIER. BASINS 1 & 2, SEDIMENT TRAPS 1, 2, 3, & 4 AND THE AREAS DESIGNATED AND/OR APPROVED BY THE INSPECTOR FOR CUT d.ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE THAT A GOOD STAND IS REQUIRED FOR THE EMBANKMENT CONSTRUCTION. INSTALLATION OF SEDIMENT BASIN #1, SEDIMENT BASIN #2, SEDIMENT TRAP #1, #2, MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED. 3 & 4 SHALL IMMEDIATELY FOLLOW THE SELECTIVE CLEARING. SEDIMENT BASIN 2 SHALL INCLUDE THE INSTALLATION OF TWO 6' # . # # IN CASE OF EMERGENCY, THE PRIMARY CONTACT FOR THE PROJECT WILL BE THE RLD OR WALLS TO PROTECT THE BUFFER ADJACENT TO ROUTE 29. FOLLOWING THE INSTALLATION OF THESE MEASURES, THE CONTRACTOR CONTRACTOR ON -SITE. THE CONTRACTOR AT THIS TIME IS DIGS BROOK WOOD WITH DIGS MAY SHALL INSTALL THE DIVERSIONS. ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE PHASE I EROSION CONTROL PLAN BE REACHED AT (434) IN ADDITION THE OWNER MAY CONTACTED. UPON SHALL ALSO BE CONSTRUCTED AT THIS TIME. PROJECT FOR SITE MAINTENANCE. COMPLETION OF THE PROJECT. THE OWNER WILL BE RESPONSIBLE FO 9, ONCE ALL 7HE PHASE I EROSION CONTROL ITEMS HAVE BEEN INSTALLED & ARE OPERATIONAL, DRAINAGE IS PROPERLY CONVEYED TO TABLE 3..31-B A-CCF P°T'ABLE T1114 MPIl7RARY SEEDING PLI.N T MANF a LAI 'QUICK REFERENCE FOR ALL REGION$' Rate Planting Dates species a e Sept. 1- Feb. 15 50150 Mix of Annual Ryegrass (7-DEW Tr1 tt • w 50 - 100 Cereal (Winter) lye (Secale mreale) Feb, ].6. - � r. �b F Annual ass 60 - 100 a Re Y � LcDR-om_ m_yJti-t11 May 1 - Aug 31 German Millet 50 (setuia ltallca) Sozwee: VL DSWC SET POSTS AND EXCAVATE A 4'X4" TRENCH UPSLOPE ALONG THE LINE OF POSTS. I I k %.11 � Imo, /� FLOW 4' 3. ATTACH THE FILTER FABRIC TO THE WIRE FENCE AND EXTEND IT INTO THE TRENCH. 1. LIME AND FERTILIZER NEEDS SHALL BE DETERMINED BY SOIL TESTS AND APPLIED IN ACCORDANCE WITH VESCH STD. 3.32. �� 2. SEEDINGS TO BE MULCHED IMMEDIATELY UPON COMPLETION OF SEED APPLICATION, IN ACCORDANCE W/ VESCH STD 3.35. PS PERMANENT SEEDING SCHEDULE NO SCALE. (STD. & SPEC. 3.32 OF VIRGINIA EROSION & Source: Va. DSWC SEDIMENT CONTROL HANDBOOK, 3RD ED.) 2. STAPLE WIRE FENCING TO THE POSTS. 4. BACKFILL AND COMPACT THE EXCA VA TED SOIL. / � 7�- Wr EXTENSION OF FABRIC AND WIRE INTO SUPER SILT FENC ssF (WITH WIRE -BACK THESE MEASURES AND THE ESC INSPECTOR HAS GRANTED APPROVAL THE CONTRACTOR CAN BEGIN CLEARING THE REMAINDER OF THE SITE. TEMPORARY SEEDING PERMANENT SEEDING AND DUST CONTROL SHALL BE IMPLEMENTED AS REQUIRED. 10. AFTER CLEARING THE PROPOSED AREAS, THE CONTRACTOR CAN PROCEED TO PHASE ll OF THE EROSION & SEDIMENT CONTROL PLAN. THE CONTRACTOR SHALL BEGIN ROUGH GRADING THE SITE TO THE CONTOURS SHOWN ON THE PHASE ll EROSION & SEDIMENT CONTROL PLAN. UPON INSPECTOR APPROVAL, THE CONTRACTOR SHALL REMOVE SEDIMENT TRAP 3 AND 4. MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. 11. THE CONTRACTOR SHALL INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE PHASE ll EROSION CONTROL PLAN. TEMPORARY SEEDING, PERMANENT SEEDING AND DUST CONTROL SHALL BE IMPLEMENTED AS REQUIRED. 12. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. 13. ONCE THE SITE IS ROUGH GRADED THE CONTRACTOR SHALL BEGIN PHASE 111 OF THE EROSION & SEDIMENT CONTROL PLAN. THE CONTRACTOR CAN BEGIN INSTALLATION OF THE UTILITIES, CURB AND GUTTER, AND ROADS. INSTALL SEDIMENT TRAP #6. INLET PROTECTION SHALL ALSO INSTALLED AS THE STORM SEWER IS CONSTRUCTED. INLET PROTECTION SHALL BE INSPECTED AFTER EACH RAINFALL EVENT AND REPAIRS SHALL BE MADE AS NEEDED. IF THE STONE FILTER BECOMES CLOGGED WITH SEDIMENT SO THAT IT NO LONGER ADEQUATELY PERFORMS ITS FUNCTION THE STONE MUST BE PULLED AWAY AND CLEANED AND/OR REPLACED. 14. THE CONTRACTOR SHALL ALSO WORK WITH THE ESC INSPECTOR ON THE TIMING OF THE REMOVAL OF SEDIMENT TRAP #2. SEDIMENT TRAP #2 SHALL BE REMOVED AFTER THE STORM SEWER AND INLET PROTECTION IMMEDIATELY ABOVE IT AND BELOW ARE INSTALLED AND ARE MADE OPERATIONAL. THE CONTRACTOR SHALL FILL SEDIMENT TRAP #2 AT THE SAME TIME THIS AREA IS BROUGHT UP TO FINISHED GRADE AND IS SEEDED. THE CONTRACTOR SHALL PAY SPECIAL ATTENTION TO THE SILT FENCE BENEATH THIS AREA AT THIS TIME AND ENSURE IT CONTINUES TO BE EFFECTIVE. 15. ONCE PHASE III OF CONSTRUCTION IS COMPLETE THE SITE IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL THE CONTRACTOR CAN THEN CONVERT SEDIMENT BASIN #2 INTO THE PROPOSED SWM FACILITY. AT THIS TIME THE CONTRACTOR CAN REMOVE THE REMAINDER OF THE EROSION & SEDIMENT CONTROL MEASURES, INCLUDING SEDIMENT TRAP #6 AND INSTALL THE UNDERGROUND DETENTION FACILITY. NO ITEM SHALL BE REMOVED, THROUGHOUT ALL PHASES OF CONSTRUCTION, UNLESS THE UPSTREAM AREAS ARE STABILIZED AND THE INSPECTOR GIVES PERMISSION. 16. THE CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. 17. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM ADMINISTRATOR. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION 70' IIIIFt_ 3" S,tA-2A ASPHALT TOP COUR SE ICE "- 6" MIN- 2 7 A REC-ATE BASE PROR 70` MIN, ASPHA17 PAVED WASHRAZW Plate 3.38-2 EXISTINU F&VEV F'�I ` 2% jFEPXA1Y5E%1I­ Tit A iS11-M�t. POSII'VE DkXINAGE M'45 E L D L WI Gi TOSEDIId Lti T FI R IJ 1TIOS5 +" EG ESS OOPERATIONI TRAPPING DEVICE Rw a D5ITIVE ukWtt TO SE01MENT TRAPPING OE'VICE 51E�TICI�J A=A A 11iHU111 11tL Ak ,AC3 I:III Of I II uRLA be vi:-• aletk N01i 2 uLMIMI " 1 HIL 11 I NAIL OCk And off Walt �111,I Itx ut a 11'i1.-h flo a %kith a tbnud4n of I s ulc hes foi :Idc IpiMe ce msfald lxre: ive- 3�'IIkh wallah nnu?t 1ae calriedl 7►vxv $d-nn the enti mice to all aI])I nt'et1ettlul_u ,v eaI ko teluativeetItetltlI I slinllalttllall kre IILmts>tect b rrlu eiltelmi9 Amin cll,xws. ddches or watercoin ses. PAVED 'WASH RACK 1992 3.23 1992 9ULA LUCK DAM i I -. _ -,----------7 tit II f�. ~-1.��R� sail a'� J" • t [� �ra�f r��;'+ s�' r I T s = Ls (DOWNSTREAM I iNRAP`moI a + �%.RT, +J��} r (DOWNSTREAM VDIDT #1 COARSE AGGREGATE rLOw Source: Va. DSWC CLhSS I RIPRAP Plate 3.20-1 St Ufw: Va- DSWC DIVERSION CHANNEL CROSSING ACCEPTABLE LININGS (CROSS SECTION A -A. OF PLATE 3.25-1) SILT FENCE POSE p�pcT SILT FENCE TYPE A DIVERSION . PMYEIF UNEER{g NIL. IJW.) GRJlSS LIFJER Ef13Tlwl CRDUND �X 17071 NC CROUH'D �___t� TYPE 2 DIVERSION RIPRrW FILTER CLOTIi *:1, EIfI5I1NG GROUND �;j -y EXISIIIJG GROVHD 11 6' TYPE C DIVER°SION it9F'F+JIF FILTER CL07H CK � SAMM4DBAtG LINER EXISrGROUNDk\ "+' EXISTING GRIAJND 6' WHI:IUM OR WIDTH OF EXISTIHG STREAM WHICHEVER IS LM 0* ENTRENCH SILT FENCE AMP FILTER CLOTH H SAwt TRENCH Plate 3,25-1 Source. Adapted frurn VDOT Standard Sheets 3.25 Plate 3.25-Z ° °C��N��� T ��O SOT F-+ U Lic. No. 0357911E �3/12/20 �� 02� SS >�C ��) ZONAL E Ln U)P �- z z w w 2: 2: 2: 5- 0 O U U z O J z z Q = a OU O U U o Z W m ;; ro 0 Lo 00 N z -I .-1 � O O Q � N HDiI- w M 0� w LU z to M w z z Q M J J a , o w 0 w W >U) � LU Ce 00 ,3, o I- M M N LLI ,\ N M , -i , -i M L9 CY)z r r., < (n J_ z (3) < M N �- m W ,�T 2: 0 (I W N (f) \W\ (3)N / N Q < NN w ,--i Q J_ z > 66 V ) - w W CD I"' ~ ,-I 0 L9 i z 10� waft J Q M0 U OC I (f) 1 w �e .11Z z w U O (1) C /^) O v / Z W W co G zw o - U) ��VW^^ J �- ~-1 06 J w = Z � .z 0 j Q0 r-n O O O O N ize W co w F- H U ~ w H- rn w w a- U) JOB NO. 182150 SCALE N/A SHEET NO. 3 \ .r r I �I _ - - - - / - ------___------- --- - -- - ----__ -----=_- I - - ` it i. / •, - i / ,' TO' UNDISTURBED Rou TE zs AL � I � I �". / BUFFER ,Do' WIDE BUFFER FER ALONG y I — , 1 I ! j Rou7E ze To scrtEEN TriE � --- i DEVEL PMEN T- / ! / j / �1 ' - _m n. - SCOTT R. LLINS'� —M� M o Lic. No. 035791 1mil /30 PLANTED REFORESTED / Ell — ELF/ ♦ I - _ /~1`' _1 _ _ _-lam _- -- — I aa]1w V .- -- — — a I 1 w a -- _ s ow 3/12/20 SEE #3 i j ,; .07ac 1.18 ac. I " — — - - - - - - ♦0 i / - I a L / / I r 1, / r I / - \ — — — ---- 0.100C. ST # 1 —// 1.58 ac. 1 SB #2 W LLJ — I i; 1/ ��-- I �I I I I f — 0 0 j IF 0.100c. 1 �� ♦ / "'/ / / ! \ / ! I II I ( i / I - i l _ Z % , �.l 1 I I v" ;� I ' I— I ,I ♦♦' - O.OBa �• \ \ I i I Q UO 0 /O \ \U 15 Lu I _ _ .i -- / 1 - -_- -_- / o- A •� V A — — — — — Z Z " _ - - 0.15ac. 0.23ac' i -- - - \ \� \ \ �\ \ Cn Lu — 0.12ac. J - ! `�J - - _ �� V f d - I 1 ♦ ♦e '\\ \\ � � I 0 CL Lu l T — -- 1 ♦ _ -�� V -— — V _ A� Cn Lu > LL W I — — LF if im— — -- — — jI ! ST4 PROPOSEDsu aaoNo rz IST #4I I ( % — 1 \ 1.28 ac. 00 Im O Lu 1- 1 0.2lac.l i / �,! / - - _ ✓ice i /% J/// LE / ♦ - sT #z � � � ''� / � / I l / � � I '.� I l / �I ST #5 2.52 ac. ( W / I /L9 2.42 ac. � I x--- I 1 I - / ' / --� \ I i I y' — I I��� V 1 I I i � I I I � V A � � � v i, ' , � � 1 I — - �l I I I � j / ST2 / y I I W / LLI 4—� LZ - - ZEETuj j- //41' — W —-- ---- / W ,--I O — SIB #1 � 5.90 ac � — -- - \ W L / /x cn uj O W Lu - _ t I z J / / W Z F, RE ul W r CRAP , IC SCALE Cn J 0 40 80 160 j 20 C) — LLl 1 _ I r I F, IN FEET Co I I I � I y 1 inch = 80 ft. I I � Q 0 Z LEGEND LEGEND o O / I o / � I SAFETY FENCE PER VESCH 3.01 LIMITS OF LAND DISTURBANCE O SB1 /�� / � ��' / � �CONSTRUCTION ENTRANCE PER VESCH 3.02 DIVERSION DIKE �l! SF SUPER SILT FENCE PER VESCH 3.05 BOUNDARY LINE CO SILT FENCE - - _ / IP INLET PROTECTION PER VESCH 3.07 -' / f DIRECTION OF FLOW — Lu - - Lu 653DD DIVERSION DIKE PER VESCH 3.09 p w ,75 PROPOSED CONTOUR - _ -- - DRAINAGE DIVIDE 0 z / — � I - W RIGHT OF WAY DIVERSION PER VESCH 3.11 SOILS LINE WATER WAY JOB NO. - I / �' �, - -_ - _ - - S B SEDIMENT BASIN PER VESCH 3.14 - - - -- - � � " � , / � / � _ - - - _ _, � _ I - -- -� � � � TREELINE 182150 _ V I v �pp OUTLET PROTECTION PER VESCH 3.18 ! _ TS TEMPORARY SEEDING PER VESCH 3.31 PRESERVED SLOPES SCALE MANAGED SLOPES n r PS PERMANENT SEEDING PER VESCH 3.32 1 =80 (6\ Q l / /l — - - SWM PRESERVATION AREA - — - �I TP TREE PROTECTION TAPE PER VESCH 3.38 SHEET NO. V v Oo I � DUST CONTROL PER VESCH 3.39 00 Oo� _ PROPOSED LIMITS OF ISTURBANCE SED LIMITS IS - r r r r r r r r r i r r Ina maim ♦ • NOT ENCROACH INTO DTHEAND 0' WIDE PDIISTOURBANCE, TYP. \ - -- -- --- = ♦♦♦♦ SOILTYPE ♦ ♦ EFORESTED `, r/� rr Manama • BUFFER, AS SHOWN � PROTECTION � TREE 44�3�TW - ♦♦♦ ��� SOIL TYPE i �T 30 PLANTED r •rr•r rrrrr• _ _ TP � 447 BW 39 % w/ WIRE r♦ ♦ BUFFER; r r r ♦♦ 448 TW 454 TW - - - - - • 454 TW ♦♦}48 BW 452 BW -- � BACKING SF \--�-- --- - / �; M 448 BW ♦ 454TW o SC OTT R. LLINS� - - �M_ _ _ _ - - - - - 8 TW 45 BW 454 TW Li�' -- ANAGED STEEP � _ - - 442 BW c. No. 035791,E � SLOPES (TYP.) PROPOSED 18" DIVERSION. - - - - - _ _ _ • ♦ 454 BW CONTRACTOR SHALL ENSURE ----- - _ - ��� 3/12/20 w� DD POSITIVE SLOPE IS MAINTAINED. It -- - - - - - - - -------__ SOIL BOUNDARY, BERM SHALL BE STABILIZED AS - - - - -- - - -- ♦ SSIONAL S T3 TYP. � A FIRST STEP IN DISTURBANCE. ♦ - - - - ST #3 _ PROPOSED LIMITS OF DISTURBAN#E COINCIDES - / 1 18 ac.WITH THE WESTERN PROPERTY L E 70' BUFFER. THE TREE PROTECTION TREEL E J -- -- � -- - - - 454 , LIMITS OF TW 448 BW -_ i ----- DISTURBANCE LINE AND DRAI GE DIVIDE ARE � ALL OFFSET FOR GRAPHICAL PURPOSES. / -- _ • - • In —ES '000, Im • / I - \ - U) ♦ �� �' - - - ♦ w Lu ♦ ■ ,— 0 0 • ♦ r � ~ • 400' ■ I • • � I • � SOIILTYP j ••• • / rr�rrrrnrrrrnrrrrrr�rrrorrmrmrarrrrrrr ■, • PROPOSED a O I I • • / 39D / ---- - - GREENWAY ) -- O ■ •••,•r �rrrrrr 1 ■ - U rn Y TYP. - U U 0 - ■ ■ - ( - -- - Z w ono rrrrrrr.rrr�rrrlrrr � -■ ■ I f - c„ I ■ ■ ---- - --- O00 w I H w ` ■ • • - _ _ w/ WIRE SF z I ■ _ BACKING - w z - _ a ■ • I . w Lu ■ TREE PROPOSED � ', I 1 • • GREENWAY (TYP.) , ; I PROTECTION ST # 1 TS • a • = w - W >> _ w 1.58 ac. • SB #2 ° pC NIL- 3.06 ac. PROPOSED LIMITS OF ■ ♦ i ■ DISTURBANCE, TYP. ♦ ♦ ' W ■ D C ♦ ♦�-- /SOILTYPE ■ ♦ 27C0000'TS , L F I Z = I ■ ��1 I ♦♦♦♦♦ PROPOSED SAFETY FENCE, INSTALL SIGNS "WARNING �� / ♦♦ ♦ / ♦♦o♦ -4 U �, ■ QUICK SAND, KEEP OUT" .� • ♦♦ Q I� Z 00 m o ■ SOILTYPE ♦ • ♦ ° ° Q w \ ■ 27B - f ♦ i ° PROPOSED SAFETY FENCE \, ♦♦♦ INSTALL SIGNS "WARNING 0 -A r M QUICK SAND, KEEP OUT" ■ I ♦♦♦ / A ♦♦ ' PROPOSED 18" DIVERSION. • � ` ■ ♦ ♦ CONTRACTOR SHALL ENSURE DD ♦ ' ♦ tr PO SITIVE SLOPE IS MAINTAINED. 1 ♦ ■ ♦ BERM SHALL BE STABILIZED AS • ♦♦ / of ♦� TS SOIL BOUNDARY, A FIRST STEP IN DISTURBANCE. ■ ■10 TYP. ## Lu ♦ ♦ ■ ♦ ♦ - r Q ■ .Owego ♦ ♦ ♦ ♦ F • ♦ A E N ■ ■ i� I � ♦ ♦♦ woo • 1 ■ ♦♦ ♦ T '010 CIO ♦♦♦ ST / ♦♦ . ■ ■ � REAM, � ■ ♦ • ■ ■ TYP ♦♦. �\ PRESERVED STEEP j ♦♦♦♦ ■ SLOPES (TYP.) • ♦♦ ♦ ■ x - O a � ♦ ■ i \ice v - - Q ♦♦ PROPOSED 18 DIVERSION. TS D C • ♦ —� -- ♦ / e �� - N J 3? N - - / ♦ CO TRACTOR SHALL ENSURE ♦ ■ / ; � / � ♦ ♦� � POSITIVE SLOPE IS MAINTAINED. ♦ ■ �► ♦ DD � ■ POTENTIAL LOCATION FOR ESC PHASE IEXCAVATION. � E ♦ ♦♦ BERM SHALL BE STABILIZED AS FINAL GRADES IN THIS VICINITY ARE APPROXIMATELY • ' .♦♦ A FIRST STEP IN DISTURBANCE. ♦♦♦ ♦ 10'-18' BELOW EXISTING GROUND. ESC PHASE I ' • ' F�F Q ' J ♦♦♦ r♦r♦♦♦ ■ EXCAVATION CAN BE UTILIZED FOR FILL DURING THE � • � E / / %� � > O ♦ 000 ■ CONSTRUCTION OF ESC FACILITIES. EXCAVATION SHALL • n/ \ ♦♦ ♦ ♦rrrrr ' ■ ONLY OCCUR AFTER INITIAL ESC MEASURES ARE • ' / W 000 r • J S 0 r ♦ • r r r � . r r ■ r • ,. ♦ ♦ ♦ ♦ INSTALLED & AFTER THE HAS GRANTED 'I • I /- J �-x-� C;6 r ♦♦♦♦ ' ♦ • �" V O _ - ♦♦♦♦.•' �� • �I ®� - - - GRAPHIC SCALE W V _- ♦ ` z • \ 30 0 15 30 60 10 PROPOSED ♦ ♦ �, PROP_ i GREENWAY TYP. - - ♦ I I ' REENWAOYETYP. � W ♦ ■ G (TYP.) — J ♦♦ TS ■ ■ / ( IN FEET ) ■ 1 inch = 30 ft. - Q '� W ■ ■ i� PROPOSED SWM FOREST & OPEN / - I w r ■ W \ - ■ ■ �, SPACE EASEMENT (TYPICAL) q ' - 0 Ln ' \ ' ��� ■ PROPOSED 18" DIVERSION. ■/ ' %� x+f ■ CONTRACTOR SHALL ENSURE I I V / coW W x�.�' ■ DD POSITIVE SLOPE IS MAINTAINED. ■ F F BERM SHALL BE STABILIZED AS 0 W� W 1 A FIRST STEP IN DISTURBANCE. ` ♦ TP / F E yi O ' Z /x'�.��� • TREE4001 ■ - PROTECTION 1 cn �0 J } I W f i • PROPOSED STOCKPILE I � U / _ w t }�� SURROUNDED BY � II � � // / M f W }� T / �. L] / w LU �� � • SILT FENCE • � � I /� � � � W PROPOSED LIMITS OF DISTURBANCE. THE TREE / / * _ U-) I• L/) i� • PROTECTION FENCING SHALL BE PLACED ON THE /� / T ' W� W J • LIMIT OF DISTURBANCE LINE, WITH THE SILT % ® No Z Z �� �� • FENCE INSTALLED IMMEDIATELY ADJACENT TO _ ur) (� I /f SOIL TYPE • y THE TREE PROTECTION FENCING. THE Z 2 B • �i DIVERSION, DRAINAGE DIVIDE, SILT FENCE, TREE � I f ( • �I PROTECTION LINE LIMITS OF DISTURBANCE AND F ��� ' �� D� ♦ TREELINE ARE ALL OFFSET FOR GRAPHICAL / �/ / W sT4 1.28 ac. `� �\ Z i ---�-- � • PURPOSES. � ��� �} I - • SF w/ WIRE , I LL +I -- ♦ PROPOSED 18" DIVERSION. BACKING ��� j PROPOSED W �xTx� CONTRACTOR SHALL ENSURE DDGREENWAY (TYP.) m POSITIVE SLOPE IS MAINTAINED. \ - J Q 0 ♦ BERM SHALL BE STABILIZED AS rr♦rrr�*rrrr••••• / • A FIRST STEP IN DISTURBANCE. O ♦ / /� • � I SOIL TYPI 0 / / ♦ ♦ ♦ 39D / PROPOSED RIPRAP \ � ♦ / N w/ WIRE SF InLINED OUTLET \ BACKING PROTECTION. SEE ■ • EXISTING / In SWM PLAN SHEETS • VEGETATION // - FOR DETAILS i A Lu TYP. F- H (TYP.) i 1 1 k 1 / - A U Lu / 0 w � ♦ � ♦♦♦ �� � / JOB NO. / EROSION & SEDIMENT CONTROL NOTES / /' 182150 1. THE LIMITS OF DISTURBANCE SHALL NOT ENCROACH INTO ✓ �� `'`ti' ♦� �, /�� THE WESTERN PROPERTY LIMIT's 70' BUFFER, AS SHOWN. /� \ SCALE / 2. T — / ♦ , ♦ THE PROPOSED SWM FOREST &OPEN SPACE EASEMENT _ / N / � �1 �� 30 ��♦i _ —� ♦♦ SHALL BE FIELD SURVEYED AND ENCOMPASSED WITH- ♦ - ORANGE PLASTIC SAFETY FENCE. ♦ _ _ — - ♦♦♦ MATCHLINE, SEE SHEET 6 3 NO CONSTRUCTION TRAFFIC SHALL ACCESS THE // H / % I SHEET NO. ♦� __ -- , / ' ■ ■ I�� ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ PROPERTY FROM MONTGOMERY RIDGE OR FOREST LAKES. ,/ / I - - - 5 ■ a x RR AV ���� ` �♦ /' MATCHLINE, SEE SHEET 5 �� \ ♦ H 0�h a / ■I�,■II��I ■II■�a■II■II■II■II■II■II■II■ ♦ ' 4010 PROPOSED 18" DIVERSION. Sc�TT R. �/ _121, CONTRACTOR SHALL ENSURE ST Tr ♦ o LLINS / I DD POSITIVE SLOPE IS MAINTAINED. ♦� / j� �i Lic. No. 035791,E / BERM SHALL BE STABILIZED AS .5a C . / 3/12/20 A FIRST STEP IN DISTURBANCE. ♦�♦� �� i � 1. � x _ / ■ 0.21 ac. ♦ -- - - �SSIONAL E���1� TS ! ®� 1 X PROPOSED SAFETY FENCE, 4 TW INSTALL SIGNS "WARNING / BW QUICK SAND, KEEP OUT" H �� -� ♦ / w w i `♦ � ' ��� PROPOSED SWM FOREST &OPEN ♦ �' SPACE EASEMENT (TYPICAL) PROPOSED LIMITS OF V � � ♦ / U PROPOSED DISTURBANCE, TYP. /� ♦ ♦ ® / h // 0 GREENWAY (TYP.) � i 0 O ' / / q, q, I r ♦ _ � PROPOSED LIMITS OF DISTURBANCE COINCIDES , U U � i< / ca L " V CD � i � WITH SEDIMENT BASIN #1 s PARALLELING SILT rn - -- / �y ♦ N ® /♦ ® FENCE. THE TREE PROTECTION, TREELINE, LIMITS E e E / Z 00 0 ® ♦ ! OF DISTURBANCE LINE AND DRAINAGE DIVIDE h h / 0 J -I N ARE ALL OFFSET FOR GRAPHICALLY PURPOSES. O // ♦ // h // � a w a ® �® TP TREE h w z V) ® PROTECTION / Q 1 9�24 0.14 ac. ♦ ♦ / h �/ PROPOSED SWM FOREST &OPEN / p ♦ ♦ w 0 SPACE EASEMENT (TYPICAL) / 9 42 / ♦ '� �� / PROPOSED ! i � 4 G / �� GREENWAY (TYP.) Lu w > SOILTYPE � w •sa �� / 27B ♦ i' SOILTYPE i ® /41 PROPOSED 18" DIVERSION. 'TP CONTRACTOR SHALL ENSURE ��� 100000 P TREE / DD OSITIVE SLOPE IS MAINTAINED. PROTECTION / BERM SHALL BE STABILIZED AS �' ♦ � � / � / � Jam' � � �' rlj p A FIRST STEP IN DISTURBANCE. ♦ ♦ I �. �%%% w \ � // ��� ♦ PROPOSED 18" DIVERSION. i i r / �- �` ��i w WIRE � / � � / % I / / � � /s � / BACKING SF / �C 4� / ♦ CONTRACTOR SHALL ENSURE DD POSITIVE SLOPE IS MAINTAINED. / �♦ ♦ BERM SHALL BE STABILIZED AS � / ���♦ A FIRST STEP IN DISTURBANCE. i PRESERVED STEEP I � I _ ®� � / � SLOPES (TYP.) _ - �� z � 0) Lu ♦ �, 2 SOIL BOUNDARY PROJECT LIMITS, ® f // ® • TYP. SB #1 /� / 7 N (TYP.) / 5.90 ac. - � / ® II � /I �� / EXISTING � / ' / / ' VEGETATION co ® PS - / / I' (TYP.) Q PROPOSED LIMITS OF DISTURBANCE COINCIDES / ® ♦ / (V WITH THE TREE PROTECTION. THE SILT FENCE, ® � // I / ' TREELINE, LIMITS OF DISTURBANCE LINE, / ♦ / �� Q DIVERSION AND DRAINAGE DIVIDE ARE ALL OFFSET FOR GRAPHICALLY PURPOSES. / � ♦ ♦ ♦ / �� / / / LLI 1__l r //' _ 1 �� ♦ / SOIL/TYPE I PROPOSED 3 4 C PROPOSED / � / i � ♦ !�� GREENWAY (TYP.) GREENWAY (TYP.) / � � � � I I � � ♦ // ® / I / /91 / 06 O i W Lu _j v / ��� Q 0 LLI I TREE \\ _- � x�� / / r oloo' _ i PROTECTION V� r - - - (� as SOIL 34( ui U Q PROPOSED 18" DIVERSION. CONTRACTOR SHALL ENSURE i I �� POSITIVE SLOPE IS MAINTAINED. ��/1 � 0 W / BERM SHALL BE STABILIZED AS �, // i / ul U) LL ' d A FIRST STEP IN DISTURBANCE. / M w/ WIRE - �W - SOILTYPE �/ BACKING - �� // ��� LLJ V) h U) J40, = / F- / W / / c) O PROPOSED LIMITS OF / ® / DISTURBANCE, TYP. / ® �, // _ / �% / N ® ® , , w F- Lu Ole �� i � I � PROPOSED LIMITS OF DISTURBANCE / � � i COINCIDES WITH THE TREE PROTECTION. mom woo ' 1 JOB NO. THE SILT FENCE, TREELINE, LIMITS OF - -- - DISTURBANCE LINE, DIVERSION AND / � � � �' � � - - — -- 182150 y Cl DRAINAGE DIVIDE ARE ALL OFFSET FOR GRAPHIC �u�� SCALE �� � A ti 11 �J l� t-1 SCALE GRAPHICALLY PURPOSES. � � / � LIMITS OF DISTURBANCE ARE A MINIMUM i 30 0 15 sa so 120 - -- __ n_ r / OF 5' FROM THE PRESERVED SLOPES. / _30 DC MATCHLINE SEE SHEET 7 ' __ SOILTYPE � � / � � � � � � � � � � � � � � / J / SHEET NO. / 34C � IN FEET — / i / 1 inch = 30 ft. - - - I �I _ STREAM ' I, TYP. _-- CRAP C SCALE I 434TW --- / 434 BW= -- 30 0 1 30 _ so 120 ° PROPOSED FLOW BARRIER (SANDBAGS,----.," I 434 EG - PLYWOOD, JERSEY BARRIERS OR n I R R PROPOSED RIPRAP - - _ _ _ � �, � EQUIVALENT). SEE SHEET 3 FOR J � L - ADDITIONAL STREAM CROSSING AT TRANSITION ® be DETAILS. j ( IN FEET) 41 i 1 inch = 30 ft. CONTRACTOR SHALL REMOVE / ' DIVEPOSED RSION ONOLY/AFT RI THE CURER RR , I I � EXISTING INSTALLATION HAS BEEN CO ED, ■ VEGETATION ACCEPTED BY VDOT AN ESC x i (TYP.) INSPECTOR GRANTS A OVAL. ■ PROPOSED / / GREENWAY (TYP.)---� ■ PRESERV D STEEP-- SLOP S (TYP.) / ■ �■ - - i TREE PROTECTION TP / w/ WIRE n ■ ■ j BACKING IF w/ WIRE x ■ ' ■ / BACKING � x I ■ !� I PROPOSED LIMITS OF / I ■ W� LOCATION 0, DISTURBANCE TYP. ■ z • � w A- TTIE� PORT PO - X ♦ ' ' � x PROPOSE ONSTR CTI N / I ♦ � CE ENTRANCE (12'x70 / WASH PROPOSED ALIGNMENT OF W T RACK & DOWN GRADIENT DIVER 1 I I I I STREAM DIVERSION WHILE USC ■ ■ Lr) & SEDIMENT TRAPPING DEVICE RS �i CULVERT IS INSTALLED �■ I I ••••• x - • � 1"\ � 1 om-now x SOILTY E M M M DD n n M•♦ I x 34C 1 PROPOSED 1 x �C CRS CONTRACTOR I PARKING & ■ STAGING AREA I X �v I D�� ;� � j � � 1 ■ I I / X I o I I CONTRACTOR SHALL INSTALL A _ R/W DIVERSION ACROSS THE ■ 1 �� - _ CONSTRUCTION ENTRANCE. R W� �50134 YPE Sediment Trap design #4 drainage area (acres) (<3) 1.28 trap volumes: elevation (ft) area (so volume(cf) ORIGINAL volume(cy) GROUND ELEV. 406 552 0 0.0 408 1004 1,534 56.8 410 1556 4,074 150.9 412 2209 7,820 289.6 wet storage: ,SEE PLATE 3.13-1 wet storage required (cy) (67*DA) 85.8 bottom of stone weir (ft) 409.0 wet storage provided at this elevation (cy) 98.8 slope of wet storage sides 2:1 1-1 VARIABLES CREST OF STONE WEIR VARIABLE* DRY STORAGE N VARIABLES WET STORAGE (EXCAVATED) MAX. FLIER CLOTH ORIGINAL GROUND ELEV. COARSE AGGREGATE CUSS I RFRAP weir length (ft) (6xDA) dry storage: bottom of trap elevation (ft) dry storage required (cy) (67`DA) 85.8 bottom trap dimensions: crest of stone weir 411.0 top of dam elevation (ft) dry storage provided at this elevation (cy) 115.4 top width of dam (ft) slope of dry storage sides 2:1 top trap dimensions Sediment Trap design #5 drainage area (acres) (<3) 2.42 trap volumes: elevation (ft) area (so volume(cf) ORIGINAL volume(cy) GROUND ELEV. 438 1303 0 0.0 440 2696 3,826 141.7 442 4163 10,521 389.7 444 5685 20,330 762.9 446 7370 33,348 1235.1 wet storage: ,SEE PLATE 3.13_1 wet storage required (cy) (67'DA) 162.1 bottom of stone weir (ft) 441.0 wet storage provided at this elevation (cy) 260.5 slope of wet storage sides 2:1 7.7 406 16'x43' 412 10, 41'x67' 1VARABLE CREST OF STONE WEIR yAR,Aq,�• DRYSTORAGE - N VARLABLE• WET STORAGE (E)(CAVATED) CLOTH ORIGINAL GROUND ,FILTER ELLV. COARSE AGGREGATE CLASS I RIPRA.� weir length (ft) (6xDA) dry storage: bottom of trap elevation (ft) dry storage required (cy) (67*DA) 162.1 bottom trap dimensions: crest of stone weir 444.0 top of dam elevation (ft) dry storage provided at this elevation (cy) 492.4 top width of dam (ft) slope of dry storage sides 2:1 top trap dimensions SOIL TYP _ SOIL BOUNDARY, X 27B A �� TYP. C j LOCATION OF 15c DUMPSTER y LOCATION OF / 1 i CULVERT INSTALLATION NOTES: FUELING AREA _ I L 1. CONTRACTOR SHALL INSTALL AND MAINTAIN A 6' WIDE WITH 2:1 SIDE SLOPES TD ■ I i ,L---------------- TYPE B STREAM FLOW DIVERSION PER DIVERSION CHANNEL CROSSING VESCH I DETAIL 3.25-1 AND 3.25-2 DURING ENTIRE CULVERT CONSTRUCTION OPERATION. PROJECT LIMITS DD ` J I I 1 e I / ' 2 SILTFEIN E SHALL BE INSTALLED ON BOTH SIDES OF THE PROPOSED STREAM I (TYP.) / i I DIVERSION CHANNEL. THE CONTRACTOR SHALL INSTALL AND ADJUST SILT PROPOSED CONIC. j i PROPOSED �� FENCE AS NECESSARY TO PREVENT SOIL FROM ENTERING STREAM. RIPRAP WASHOUT AREA ( ■ y s w/ WIRE SF I I RIPRAP SHALL BE PROVIDED WITHIN THE EXISTING STREAM BED AT THE TRANSITION 14.5 438 16'x 78' 446 6' 58'x 116' ZR. 7LL o SC0TT NS'' �i Lic. No. 035791 , `0 3/12/20 �,�' ���SSIONAL v 'Cl1 Ln U) z z w Uj 0 0 U U z >- 0 z F- a 0 U U U Z��o w00 0 Ln 00 z _j O O Q � a a j Z U)(!) L z z g Q � d w 0 w W >> c � 0o rn C"H O\i M Q cV C) N .--I .--I M ■ / ■, BACKING IT ION FROM THE EXISTING STREAMBED TO THE PROPOSED DIVERSION CHANNEL, AND SOIL TYPE ■ 1 , R R a X � � AT THE TRANSITION BACK FROM THE DIVERSION CHANNEL TO THE EXISTING STREAMBED. AN APPROVED FLOW BARRIER (SANDBAGS, PLYWOOD, JERSEY k3 � THE FUELING TANK SHALL BE COMPLETELY SURROUNDED BY A 2' 27C / o I j ' BARRIER, OR EQUIVALENT) WILL BE INSTALLED BEHIND THE RIPRAP TRANSITION. 1%_ DEEP, 2' WIDE EARTHEN BERM WITH A HEAVY MIL POLYETHYLENE LINING, OR BE PLACED IN AN IMPERVIOUS OPEN -TOP DUMPSTER. r, a i 3. THE DIVERSION CHANNEL CROSSING MUST BE OPERATIONAL BEFORE WORK IS PERFORMED IN THE STREAM (CONSTRUCTION OF DIVERSION SHALL BE M J THE DUMPSTER FUEL IN THEVO r' 7��� ♦ / � Y � � PERFORMED ET THE DRY"). � (Y� VENT OFPAOSED SPIILLL.ERM CONOR TRACTOR SHALLHALL ENSURENTAIN VOLUME CAPACITY D ♦ \ i I I 4. UPON COMPLETION OF THE CULVERT CONSTRUCTION AND WITH INSPECTOR APPROVAL, THE CONTRACTOR SHALL REMOVE THE STREAM DIVERSION AND � IS 10 /o LARGER THAN THE MAXIMUM VOLUME OF STORED FUEL. ' N ALLOW STREAM FLOW TO RESUME THROUGH THE CULVERT. ST S ♦ ♦ ST5 ♦ ' � � I i i l / v � iT� WORK IN THE STREAM COVERED UNDER VIRGINIA WATER PROTECTION (VWP) (� INDIVIDUAL PERMIT NUMBER 16-1 133 FOR THE BROOKHILL PROJECT. 2.42 ac. / DC �����������'' I ♦ ♦ SOIL TYKE � III ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ � N 11 Z ♦ / I 34C MATCHLINE, i � � > < • • �♦ SEE SHEET 6 / CV _I • • i •••• ' �' �� �- Q > ,--1 J O ♦♦♦ ♦ �� ���} m SOILTYPE �� ♦ 34D �i� ♦' ♦ r � \ � �' SOIL G BOUNDARY,__ _ � /� F E • z TYP. / 66 O • ��� / Cn SEDIMENT TRAP #5 TO BE UTILIZED FOR 1 ■ E F E CONSTRUCTION ENTRANCE WASHOFF / RUNOFF. �� ■ T �\ % �� W TREE W ■ - PROTECTION �TP ■ PS /� �� ��� � L9 0 T� ♦ PROPOSED 18" DIVERSION. i CONTRACTOR SHALL ENSURE - - i % ti % Uj / POSITIVE SLOPE IS MAINTAINED. DD '� ♦♦ �� / III■■■■�■■ ��� I PROPOSED LIMITS OF DISTURBANCE COINCIDES / ♦ c PROJECT � ♦ BERM SHALL BE STABILIZED AS I / � � i � �O MATCHLINE� � U Ln WITH SEDIMENT BASIN #1's PARALLELING TREE BOUNDARY SEE THIS SHEET A FIRST STEP IN DISTURBANCE. PROPOSED Ul / PROTECTION. THE TREE PROTECTION, TREELINE, / + /5 (TYP') SILT FENCE, LIMITS OF DISTURBANCE LINE AND GREENWAY (TYP.) 1 / DRAINAGE DIVIDE ARE ALL OFFSET FOR If/l �� �� �� i o W z GRAPHICALLYPURPOSES. Uj U PRESERVED STEEP - SLOPES (TYP.) U) 0 ♦ i EXISTING w Ul PROPOSED '� - - -- ♦ �� VEGETATION GREENWAY (TYP.) �%\ TYP. �� I� W / / (TYP.) ��� _ W W C�) �( V) Q 0 ��/1 \\ / • ♦ i / I z W 1 v! I / I ` V - /� �� _ I w �';'' 1� r40'■ � TOP o TREE i� T / I o Q' F- i PROTECTION j w I ♦ I ♦400' I I � PROPOSED LIMITS OF X 0 I DISTURBANCE, TYP. PROPOSED SAFETY FENCE lc) 0 ' o � INSTALL SIGNS "WARNING oA° M�� I Q� PROPOSED � QUICK SAND, KEEP OUT" i / �� OUTFACE, SEE WM SHEETS FOR DETAILS w PROPOSED SWM FOREST & OPEN �/ �� H i \ % I --I PR�E SPACE EASEMENT (TYPICAL) � � / -- I � � U I w � �/ r1 w PROTECTION � v, p w T ' S � � I CL Lr) JOB NO. 182150 GRAPC SCALE SCALE 30 0 15 30 so 120 XEXISTING i I MATCHLIN, �� ���� �` P STREAM y 1 „=30' SEE THIS SHEET v� �,' �v , j I / _ SHEET NO. �► / / 400' ( IN FEET) - = - -- no I � v v � �- / � 1 inch = 30 ft. I i -436 TW ® ) PROPOSED LIMITS OF DISTURBANCE LAND DISTURBANCE WITHIN THE 30' OF THE 100' RTE 29 BUFFER v PROPOSED LIMITS OF 436 BW -� IS CONCURRENT WITH AND DOES WILL BE REPLANTED WITH DECIDUOUS AND EVERGREEN EES AND NOT ENCROACH INTO THE 70' WIDE DISTURBANCE, TYP. PLANTINGS, PER AN APPROVED BUFFER MITIGATION PLAN. PLAN ; ��H------- 43�F�--- �}48 TW 448 TW � ♦ TREE 447 TW `'� o�� �}42 BW ♦ \ BUFFER, AS SHOWN PROTECTION 447 BW WILL BE PART OF THE APPROVED FINAL SITE PLAN AND CERTIFq ATE 446 EG ♦ ' TB 460 TW OF APPROPRIATENESS FROM THE ARCHITECTURAL REVIEW BOARQ 435 TW I442 EG 446 EG � 1 / 458 TW 454 TW � 448 TW BW ® ■ 460 BW 452 BW 456 TW 452 BW w/ V 1 ■ �� A 450 BW 454 TW �eQ BW 454 TW BACK 1 ■ \ __ ---- --- 448 BW 44 45 448 TW® o BW o SCOTT R. LLINS'� - - -- -- - -- , - - -- - r-- - -- - - I - - - - � 2 BW ♦' 454 TW - - - - is N 03579 '�'�-� 54 B L� 0 1 ♦♦ - 448 TW 0.18ac. � ■ =_'-- � � I ■ i ♦ ASS ■ I ■ TW=463 BW=460 ------ - --- / — -- ♦ W ZONAL E I 470 TW - -- - - 0.14ac. ■ 466 TW 468 TW 464 BW 464 TW 1♦ 461 ■W 462 TW 464 BW BW 464 BW PROPOSED LIMITS OF DISTURBANCE COINCIDES 462 TW ♦ 440 TW ■ ♦ i 460 BW 462 BW 466 TW 462 TW J - 436 BW - - ♦ 461 ■W WITH THE WESTERN PROPERTY LINE 70' BUFFER. 462 TW 464 TW - - -- - -- -- _ __ _ _ (n ♦ ■ ■ THE TREE PROTECTION, TREELINE, LIMITS OF 460 BW 462 BW 462 BW - _- 468 TW 462 BW 4 W 448 B - -- - - _ ♦ ■ ' DISTURBANCE LINE AND DRAINAGE DIVIDE ARE 464 BW ® - ALL OFFSET FOR GRAPHICAL PURPOSES. - - W _ 434464D C ■ I,_, 470 TW 464 BW PROPOSED WALL (TYP.) - _ - ■ PROPOSED WALL (TYP.) % TS ■ cs (� ■ i PROPOSED WALL TYP.) I _-- - ■ � PROPOSED WALL (TYP.) • ® - F-Lu z 1 z w PROPOSED WALL (TYP.) �' ■ PROPOSED WALL (TYP.) _ - - ♦ 2: I ■ \ PROPOSED WALL (TYP.) _ - p ■ ♦ - I _ ■ ♦ U i 444 TW SB2 _ ,, ♦ PROPOSED Q ■ \ 43BW 8 BW ■ ' - - GREENWAY (TYP.) u (n 00 i ■ 00 r ■ y 0 00 o0 I • i i i � � I I \ co I cn • Z J '� N \ ® •4 i • ODD � ■ � / - -- _ 1■■1 � w w T#lw WIRE a z ■ I BACKING _Luz i z I ,T Lu PROPOSED ■ ■ w TREE Lr) (n GREENWAY TYP. TP 1 i G � � � W > PROTECTION �S ♦ w i - sB #2 _Lu 452 TW - ce 446 BW ■ - - 4.31 ac. pp I li SEDIMENT TRAP #1 SHALL REMAIN FUNCTIONAL AS \ j \ / � '- _ I ♦ N ��5t � 444 TW PROPOSED LIMITS OF ` LONG AS POSSIBLE AS DESIGNED &SHOWN. ■ 438 BW DISTURBANCE, TYP. ■ - / ••■• SEDIMENT TRAP #1 SHALL NOT BE REMOVED UNTIL DC �\ � ♦ ♦♦ � THE UPLAND STORM SEWER & YARD DRAINS ARE ■ _ -� 1 40 444 TW OPERATIONAL & CONVEY RUNOFF TO SEDIMENT • - = / S ♦••♦ 438 BW � ■ BASIN #2. ST #1 SHALL NOT BE REMOVED UNTIL ♦ \ � / j _ ■ THE ESC INSPECTOR APPROVES ITS REMOVAL, 438 EG ■ PROPOSED SAFETY FENCE, : \ i ■ INSTALL SIGNS "WARNING \ ♦ - _ ■ QUICK SAND, KEEP OUT" � _/ / ♦1♦ - 00 m CD 452 TW \ ♦ 446 BW ♦ _ w � i ♦ % ♦ N ■ IV ♦U�� - ' ♦♦♦ - PROPOSED SAFETY FENCE, INSTALL SIGNS "WARNING Q \ ■ : / , / \_� ♦ / QUICK SAND, KEEP OUT" ' ■ ■ P VERSION. ♦♦ .19ac. � ■ CONTRACTOR ' E SLOPE IS MAINTAI i-BE SIZED AS H HH H I 450 TW A FIR T STEP IN DI B E. 446 BW � S S STUR ANC ♦ DD ♦♦ S I Tz 444 TW woo L9 438 BW \ ����♦� \ - - ON � / M 438 EG 447 TW ♦♦ � �����♦ ■ . "�- E 442 TW 442 BW ♦♦ ��♦�♦ • 436 BW .. �� 436 EG ■ woo 444 TW 434 BW 447 TW ♦♦ ♦♦ �♦ co 434 EG 444\BW ♦ . ♦♦♦ 1 • ♦ �♦ 2 c. \ ♦♦♦♦•% ♦♦♦ ♦ STREAM00* , 1 ♦ ♦ 438 TW TYP. I ♦ ♦ ♦ ♦ ♦ � � ♦ \ I • ♦ ♦ / N 434 BW ���■ ♦ V 434 EG �. ♦ / �� ♦ • ♦♦ ■ A i 0 ♦ �- ♦4F ♦ ■ ♦ ♦ N m MENEM 434 TW ■ 434 BW �-� woo mmummommomm �� ' ■ < 434 EG ♦ \. \ •w♦ ■ 09 \/ O ♦ • cib z N I ♦♦♦ TW=448 POP ♦ - \ �� ■ BW=447 -- V --_ TT _ _ _ ♦ � I ■ I �� I � - --- -- / � GRAPHIC SCALE � W 30 0 15 30 60 120 ♦ T - PROPOSED _♦♦ ■ ®\_ T.j LLI PROPOSED GREENWAY (TYP.) A ♦ ■ ■- -- �1 � ■ ■ GREENWAY (TYP.) LD �� - ■ ■ TW=448 ( IN FEET) 10 \ \ ■ ■ F F — i I BW=446 inch - ft. �, 1 30 � O Lu F♦♦ j ■ r �l PROPOSED SWIM FOREST & OPEN 1I J T- ■ �, A 1 ■ / SPACE EASEMENT (TYPICAL) T / ■ ♦ it co ' - W PROPOSED WALL. A DIVERSION SHALL e ' ■ (/� ♦ ♦ ■ BE INSTALLED UPHILL OF THE WALL TO - { ♦ \ - -- �♦ ■ TP DIVERT RUNOFF TO SEDIMENT BASIN 1 E ® O ■ W W 11 ■ ■ i TREE / ! ;- - ♦♦ ♦♦ ■ PROTECTION i E E O ■ ♦♦� o.e.���� ♦ / M I BW=446 �� I J LU 00 LLJ LLI— ♦ ■ PROPOSED LIMITS OF DISTURBANCE. THE TREE ■ ♦ r PROTECTION FENCING SHALL BE PLACED ON THE ■ ` W - - - - - - - - U) \� • ® LIMIT OF DISTURBANCE LINE, WITH THE SILT �" �� ■ Z ��� Q ♦ 2 ♦ A \� - ,I, ® FENCE INSTALLED IMMEDIATELY ADJACENT TO ®J � (%� ♦ ♦ THE TREE PROTECTION FENCING. THE • _ \ - - -- - - ♦ DIVERSION, DRAINAGE DIVIDE, SILT FENCE, TREE ♦ ®� PROTECTION LINE, LIMITS OF DISTURBANCE, AND �� Q ' ♦ TREELINE ARE ALL OFFSET FOR GRAPHICAL d W \ \ PURPOSES. ♦ V ♦ ♦ I WIRE F SBACKING ♦ ♦ ♦ � ♦ - - ♦ ;�1 / - PROPOSED Q 1 1 _ - / 1 / GREENWAY (TYP.) - \ rl'1 0 O / V— II I _ ♦ N EXISTING w/ WIRE t-\ / VEGETATION BACKING A ` w (TYP.) ' F- 1 i - - D C ® ,' w ST # 2 _ ♦ TS , ,� I I � \� � a �� JOB NO ♦� - - - - 1 �� � a ♦� �® j; 182150 �� ♦ ## ♦ �i SCALE v I 1 "-30' i i SHEET NO. — � MA EISEr.5H T 9 � \� � I ■II■II■II■II■II■II■II■II■II II I■II■II I■ ♦ ® � '; 8 / 1 / / / f PROPOSED / GREENWAY (TYP.) / 1 I r '�- �. � �a: �� '� � _ _ — � � � � �G,I�n■II■II■II�II■II■I ■� II■II■I ® ♦ �-� w�� ` �;' � , / � � _ _ �, � ♦ MATCHLI NE, ♦♦♦ SEE SHEET 8 \ /SCOTT 4.LLINS'Z' i�, ♦♦♦♦ Li Lic. No. 035791 � i N / 3 12 2 o.zl ac. � ,, ♦ � 0 P ♦♦ ` ♦♦ ��SIONAL V, / > `♦♦ _ — - �— — — T S ��I♦ � PROPOSED SAFETY FENCE, - ♦♦ INSTALL SIGNS "WARNING ♦♦♦♦ _ - - i ♦♦♦ -- --- — / �QUICK SAND, KEEP OUT" ♦ _- - _ ♦ ♦♦♦ -�♦ , '� z w - — LU / ♦ - - ♦ �� PROPOSED SWM FOREST & OPEN / ♦♦♦ ♦♦ �® SPACE EASEMENT (TYPICAL) / pO PROPOSED LIMITS OF ♦ / / ♦♦ �� / U U DISTURBANCE, TYP. P ,' ST ♦♦1♦ ♦ ® O� I / �♦♦ �D a a 0 o PROPOSED LIMITS OF DISTURBANCE COINCIDES \ PF i J z � E I �� �■ ' ® WITH SEDIMENT BASIN #1's PARALLELING SILT EI _ �� M m rn CD r K / ♦ f FENCE. THE TREE PROTECTION, TREELINE, LIMITS i F Z w � \\V ® �� ♦ '\ + OF DISTURBANCE LINE AND DRAINAGE DIVIDE �� p °rN � 00 �� / �♦ / ARE ALL OFFSET FOR GRAPHICALLY PURPOSES. / ♦ ♦ �� / w w CL ® ' i / ® �♦♦ �� Top TREE _i / �� i� (� w z cn / ® �� ♦♦ i PROTECTION All g Q ROPOSED SWM FOREST & OPEN / 0.14 ac. i : ♦ \ / p p SPACE EASEMENT (TYPICAL) / ♦ ♦ PROPOSED �ZLu Lu III/ ♦ ♦ ♦♦ GREENWAY (TYP.) , > � ♦ � e � � � � w w / mmm� ♦♦ ♦ r/ / , E F ♦♦ ♦ �/ / E i e / F 4 TS i TREE E ♦ - - PROTECTION / ��� / i� �0`�'0000 / -! w 00 rn CD / ♦ I i w/WIRE�� i QC ♦ _ I I_ �� p BACKING / / ♦ i -1000 ,� ♦♦ �� PRESERVED STEEP � -�� l ♦ � � I � � ,� / I � �. � SLOPES (TYP.) �° ♦ ♦ / i 0 Lu LIMITS♦ PR JE TN O C ,® � � � � l ♦ i i � I i (TYP.) i ® ♦i / ♦ ® IIEXISTING / VEGETATION (y) / (TYP.) 40, � ♦ / O V Q r PROPOSED LIMITS OF DISTURBANCE COINCIDES WITH THE TREE PROTECTION. THE SILT FENCE, / ® ♦ r �i / / TREELINE, LIMITS OF DISTURBANCE LINE, DIVERSION AND DRAINAGE DIVIDE ARE ALL ,� ® j ♦ �/ _( �� OFFSET FOR GRAPHICALLY PURPOSES. / ' ♦ / / LLI /_ / J Z ® ♦ ♦ / .� PROPOSED _ PROPOSED , ® ♦ "_ GREENWAY (TYP.)06 0 GREENWAY (TYP.) / I / - / V J 2 0 W TREE 000 5.26 ac. / PROTECTION �/ 1 co Z ui U ul N I I p O r / / U) 0� WIRE / I s BACKING / N I w ' ' � � / w = m w W i f / ® % / W Q < O 40e c) 0 '� PROPOSED LIMITS OF- O � / � / � /' k-- � I DISTURBANCE, TYP. ® ♦ � i N ♦ ' Lu Lu / PROPOSED LIMITS OF DISTURBANCE i ' a Lu i wooJOB NO. COINCIDES WITH THE TREE PROTECTION. � � / i � WNW� / r ♦ �� THE SILT FENCE, TREELINE, LIMITS OF p 7 � I ♦ DISTURBANCE LINE, DIVERSION AND / i , 1(7L 150 DRAINAGE DIVIDE ARE ALL OFFSET FOR GRAPHIC SCALE GRAPHICALLY PURPOSES. j SCALE LIMITS OF DISTURBANCE ARE A MINIMUM �� p ♦ �� OF 5' FROM THE PRESERVED SLOPES. ; i30 0 15 30 60 120 1 11_30r ♦ I _ __ - III■II■II■II�II■II�II�II�II�II■II■II� �/' / SHEET NO. , 1 MATCHLINE, SEE SHEET 10 / ( IN FEET) 9 / 1 inch = 30 ft. STREAM TYP. CRAP C SCALE I 30 Q 1 60 120 I� MEL I i i� ( IN FEET) ® / — \� I� 1 inch = 30 ft. �I ■ EXISTING I I � VE ION (TYP.) r I ■ I I _ PROPOSED / GREENWAY (TYP.)---� I PRESERV D STEEP—,,/ i / f SLOP S (TYP.) TREE PROTECTION TP w/ WIRE I BACKING SF}� i LOCATION 0 PROPOSED LIMITS OF DISTURBANC TYP. J ♦� A E PORT ■ - �_ PROPOS ONSTR CTI N I CE ENTRANCE (12'00 / WA H RACK & DOWN GRADIENT DIVERS I I I I -------- & SEDIMENT TRAPPING DEVICE AS ROAD S B T TO GRADE, CROWN, D D ' '� RD MENT TOP OF BANK TO ALLOW - NCE TO TREAT THIS AREA UNTIL PHASE III CRS CONTRACTOR STORM SEWER IS INSTALLED PARKING & ` STAGING AREA D \ ST #4� 1.02 ac. I CONTRACTOR SHALL INSTALL A R/W DIVERSION ACROSS THE CRW D 1� CONSTRUCTION ENTRANCE. - �, MR man a as so me me AN a - _mam LOCATION OF 15cy - - _-_- -_DUMPSTER LOCATION OF - - FUELING AREA TS -� - - _ d434 TTW 4j4 YWW $j$ 9W 434 EG �TH op, o SCOTT R. LLINS - �i Lic. No. 035791 ° 3/12/20 O'>�SSIONAL E���1� ■ ■ ul) U) ■ z z W ui co g 1 �z� o 0 1LLA 1 _ = o z z ■ ¢ W �_ UO O ■ (/� ® U Z M oN - Z � ,� ♦♦- o �00 N �. O z -1 1-1 N C)CL CL W z (!) � z z 1■■1 g Q a ♦ > > 0 W - ♦ ce � PROJECT LIMITS r ��• S PROPOSED CONC. (TYP.) WASHOUT AREA w WIRE BACKING SF s a THE FUELING TANK SHALL BE COMPLETELY SURROUNDED BY A 2' I a \ DEEP, 2' WIDE EARTHEN BERM WITH A HEAVY MIL POLYETHYLENE / o i LINING, OR BE PLACED IN AN IMPERVIOUS OPEN -TOP DUMPSTER. THE PROPOSED BERM OR DUMPSTER SHALL CONTAIN FUEL IN THE \ \ EVENT OF A SPILL. CONTRACTOR SHALL ENSURE VOLUME CAPACITY IS 10% LARGER THAN THE MAXIMUM VOLUME OF STORED FUEL. A;. ST5 i � � � � �/ \ / �■II■II■II■II■II■II■II■II■II■II■II■II■II MATCHLINE SEE SHEET 9 j 1000 SEDIMENT TRAP #5 TO BE UTILIZED FOR CONSTRUCTION ENTRANCE WASHOFF / RUNOFF. - _ ♦ / \ s / \ TREE A / P ■ i� r i TES " PROTECTIONS PROPOSED LIMITS OF DISTURBANCE COINCIDES � ♦ � / � � -� � PROJECT WITH SEDIMENT BASIN #I's PARALLELING TREE BOUNDARY PROTECTION. THE TREE PROTECTION, TREELINE, 1 (TYP.) SILT FENCE, LIMITS OF DISTURBANCE LINE AND \ DRAINAGE DIVIDE ARE ALL OFFSET FOR \ GRAPHICALLY/PURPOSES. - _ ® s / 1 P SLOPES TSTEEP - i / r ———— — — — — - - -- / ♦ `f` y N 1 EXISTING PROPOSED ♦ - -- - - / �� VEGETATION s / \ GREENWAY (TYP.) ® (TYP) / \ I / / ■ �1 TREE PROTECTION i A/ / V I 1I �' ♦�♦ ® j �� / / jPROPOSED LIMITS OF ♦'� -' i' ♦ ♦ PROPOSED SAFETY FENCE I DISTURBANCE, TYP. ♦� ♦♦ ♦ \ f ,"p0 • INSTALL SIGNS "WARNING QUICK SAND, KEEP OUT" r PROPOSED SWM FOREST &OPEN P ti ® SPACE EASEMENT (TYPICAL) 'i TREE i i PROTECTION � I � ; \ ®®� GRAP�C SCALE \ ® �30 0 15 30 60 120 MATCHLINE, SEE SHEET 7 �" �� / ( IN FEET ) z / 1 inch = 30 ft. O F- m M Q C) N Lu 0) z r M j z N M o (� z W d) > Q J N Q I J W > L u 1—I I_ ZJ z - > pib O C/) V uj O z Lu 0 T� LLJ C Q 0 Z = L L] U � U) co W I z w U o Ul U O � W z LLI L LI LJJ � F- J Q C/) J = jL1J _ J< 00 0 C:) C O N W J F- F- Lu w a Lr) JOB NO. 182150 SCALE 1 11=30' SHEET NO. 10 436 TW ® PROPOSED LIMITS OF DISTURBANCE AND DISTURBANCE WITHIN THE 30' OF THE 100' RTE 29 BUFFER 436 BW _ _ ES AND NOTIS CEONCURRENT WITH AND DOES N ENCROACH CH N 0 THE 0 WIDE PROPOSED LIMITS P. PLANTINGS, IPER LL BE NAN APPROVED BUFFER TED WITH SMITIGATION PLAAND NE IS PAN C3/12/2 448 TW DISTURBANCE, NP TREE 447 TW448 TW WILL BE PART OF THE APPROVED FINAL SITE PLAN AND CERTII� ATE442 BW446 BW ♦ 46 7 PROTECTION TP 460 TW 447 BWOF APPROPRIATENESS FROM THE ARCHITECTURAL REVIEW BOA435 TW 442 EG ♦ t 458 TW 454 TW 446 EG 6®44"8 TWw/ 1 �� __450 BW 454 TW vy8 BWBW ■ ��452 BW 452 BW W/ V ■ 460 BW 456 TW448 BW 448 �448 TW 450 BW�44 - - - t - - _ - 442 BW' 4 TW454 TW �— LINS'�- - - I -/� 474 `'` ♦♦ 454 BW 791,448 Tw_�----- W48 EACH YARD DR IN - 1447SHALL HAVE IN ET 46O � I� ���46-4 1-- - -- - ---- - _ / / PROTECTION = 466 TW 468 TW 1 464 BW - - - - - - - 46 ♦ W� W No - - - - = V == - 461 W 462 BW 464 BW 464 BW I r - OF DISTURBANCE OINCIDES 462 TW - i -- 440 TW 464 B i I i 436 BW I I I � II 461 BW I WITH THE WEST ��ECTION PROPERTY 4M TSFOFR 460 BW 462 BW 466 TW 464 TW PROPOSED LIMI I j II I - - - 462 BW 462 BW - - - �-, - -- -- -- --- --- -- -- -- --- -- -- II I - i � I I II I I I THE TREE PRO 468 TW 462 BW � _- / -- . -II -------- -------•- ---- ♦ I I DISTURBANCE LANE AND DRAINAGE IVIDE ARE 464 BW r-� 4 I / / I 1 470 TWh I - - p I 4 BW � II / I III I OR GRAPHICAL PUR�OSES. � � ® I I I % I I ALL OFFSET 464 BW� I � ° = PROPOSED WALL (TYP.) -- I B I - -/ L TYP. I I D C I / i MI P S ' I � � ,� � � � _I _ �r1� � ■ PROPOSED WALL _ PROPOSED WALL (TYP.) I � I s � �' I I I S�__ — I I I I PROPOSED WALL (TYP.) ° ■ ® VLU z-- Z I I ' L-- . - '- � PROPOSED WALL (TYP.) (�ti I Ili I I I II � I 1,- � � - 7.55 ac. � PROPOSED WALL (TYP.) -� / I I i- _ I t ° ROTECTIO P I -` _ - - - - <- ♦ g I I I I �- / -��,. PROPOSED WALL (TYP.) 11 TYP. �� ♦ O O ��� I - f_ i - - ---- ♦ U U i 44 TBWW ° " ° • I L�� s ° s -I -- - ♦ J H 444 TW s s SB2 PROPOSED Q o z� 0438 BW 5 GREENWAY (TYP.)% ■ P s - T _ oN L m Z LLJ 00 00 • Q z ■ A� O - 5v H w l` • / � EJ LU W/ WIRE_ Z a ® ♦ s' /, s I W w D w� - - BACKING F LU ca w w _ w _ y 43 g I 1 • I • CL w ° w cn p / ♦ cn PROPOSED a ° I � � . I, • ° .00 I• LU GREENWAY (TYP.) TOP TREE ♦ g W w PROTECTIO 6\ / / / I '� q LU 452 TW —w 1 ° I 446 BW L ° Qa5rNo ■ SEDIMENT T #1 SHALL REMAIN FUNCTIONA 1 0 I I - pp 444 TW ■ PROPOSED LIMITS OF �,WIN. I LONG POSSIBLE AS DESIGN ---� I a 438 BW - - / - I ■ _ ._. ° � � I _ 1 r I I I �� I \ ■ ° ° ° STHI UPAND STORM SEWER T� YARD DR INDS AREL 1 D \ I ��- TS I • • DISTURBANCE TYP. Q 444 TW ■i , ° � �� ' � PERATIONAL &CONVEY RUNOFF TO SEDIMENT I � � I -- — �" �'/ i _ •• a 438 BW '■ I - �, " ASIN #2. ST #1 SHALL NOT BE REMOVED UNTIL I 438 EG OPOSE ■ 1 ° THE ESC INSPECTOR APPROVES ITS REMOVAL. I o \ \ Q a ■ TY F C r INS LL `IG,- I KEEPIDUT� I 1 • � I I � ♦ � - \ i 1 I - I I - - • ♦� a a 00 rn CD 446 BW 1 ■ - \ I fnb 4GJA a PROPOSED SAFE452 TW TY FENCE, Q �I / ♦ _ INSTALL SIGNS "WARNING �� I �I V �� �✓ �� , �_ I _� �� �♦ QUICK SAND, KEEP OUT" I I CONTRACTOR "I �I I L 52 ♦♦� a PROPOSED 18 ;DIVERSION. (HALL ENSUREPOSIT-_- --- I ♦ I - - --- / - _ c 0 I _ �MAINTAINED. I BERM ISHALL VE OBE STABILIZED AS - 450 TW ■ �, ISTiiRB#INCE. A FIRST STEP IN i446 BW� I -- _ 4F �3 is - ;■ I 4, ��— YARD DRAINS W HE �`�' 46 ��� •° / � , °� ■ FOOTPRINT OF SED MENT TR- \ _ 444 TW #1 SHALL BE INSTA LED UPO �� ■ \ � � — - ° eye " ° � THE TRAP'S RE OVAL. --- • I 438 BW I L9 r" < 438 EG I ■ 447 TW I ■ — 1 442 TW 442 B y � I■� � � ° . ° . ,• ., �• 7 � / 436 BW - I M 436 EG i - _--- �_ w - w � I w� w w --_— v� "_- -- - w� w w 6�- � � E 440 TW - —44 - ♦ i ° � ♦ � / lit ° 0010 434 BW ♦ 447 TW W 1 M 434 EG : 444 BW I ' / N/ A\� --- - k ♦ � � STREAM, _ • I / _ _ ♦ �TYP. 4TW■ I ��■ � . - � W / 38 . � -° � N 434 BW z ♦ - S - - V 434 EG �. ♦ ® �� i 0 a —, - 50 �' ' • �TS DC .eoe,p � � � J ° • 434 TW I ' - _ _ - gee 434 BW ♦ /. "� ������� �� aManu� 0 45 ® / � J ♦ ♦ W �.� �� •���•��� ♦♦ �, ♦ - - i Q 434 EG ♦ ��� ° 1 1 ' .. °• 454 "'Wil° i �c — 0 • ; • ��• 45 , — --- .. i i • =448 ° ° ST #5 .�' , / " -- I _-- ---- 1 ' : , I BW=44 �� — --- _ �— GRAPHIC SCALE V a400 C6 Uj P r 1 . ♦� — — — P ■ I — - \ 30 0 15 30 60 120 � O 7� - Ir I � ■ � �- ■ I -- Z • / OPQ,♦1I �� I ■ - - � � ■ II W PROPOSEDRE GREENWAY (TYP.) 2 ♦ ,: i ,.rl • ° . ♦ ♦ �♦�♦ � i , �, I I I ■ � , _• ' e. ■ � E IN FEET TW=448 L9 10 BW=446 1 inch 30 ft. � O ♦ - E F__ �.%� ,- �� ♦ ♦ � I I I ■ I ®� PROPOSED SWIM FOREST &OPEN � E � ° � � I � � � � �' I �■ I � � SPACE EASEMENT (TYPICAL) .41 ♦♦ \ PROPOSED WALL. A DIVERSION SHALL Z E Z .. // \ - _i \ / P 01 ECTION ; i BE INSTALLED UPHILL OF THE WALL TO ■ W C ♦♦ / I I ■° I ■ TP DIVERT RUNOFF TO SEDIMENT BASIN 1 E� _{ - ; ® W Z ( / TREE U Z ♦ �� ���'V I �P ■ ■ PROTECTION � � � ova f ♦ � � � y e , ° , ;, ■ �♦ �. ' Q W o ♦ ♦ "D ALLOW PROPOSED STORM SEWER — / ---- W ♦ TW 450 _ O I ■ --- ♦ TO OUTFACE INTO SEDIMENT /� e e �4� I I BW=446 �" �� ®® ■ ♦ � � � �� TRAP #5. UTILIZE STIR 410 '�� / • • o ♦ � / ♦♦♦� y /� Ul LLJ (RIM=440.90) AND OUTFALL �� \ , ��04, 011 Oslo PIPE T OUTFALL EDIMEN , ° • • ° / ♦ / TRAP. SEDIMENT TRAP STONE / — ♦ W � LLI s ■ 9 ♦ �r /� W s® T WEIR SHALL OUTFACE INTO THE ♦ i\ / ♦_ - ° �: PROPOSED LIMITS OF DISTURBANCE THE TREE W � W W ■ ■ / STR 410 UNTIL POND MAY BE \ , N \ ♦ ' \ ♦ r PROTECTION FENCING SHALL BE PLACED ON THE / ' LV W J a m REMOVED AND UGD INSTALLED ■ \ / ♦ ti LIMIT OF DISTURBANCE LINE WITH THE SILT 1 / / / ■ / UPON INSPECTOR APPROVAL. oepe - 1 ® \ / / J - FENCE INSTALLED IMMEDIATELY ADJACENT TO i J ♦♦ / SEE SWIM PLAN FOR OUTFALL / / ♦ THE TREE PROTECTION FENCING. THE / �� _ v) DETAILS. / '+ vJ , , -- \J/ / ♦ DIVERSION, DRAINAGE DIVIDE, SILT FENCE, TREE�' U _ PROTECTION LINE, LIMITS OF DISTURBANCE, AND i ♦ ■ / \ ` ° ° 45 / TREELINE ARE ALL OFFSET FOR GRAPHICAL ®� ♦� ♦■ / D C � ♦ w WIRE PURPOSES. ® LL ° �♦ q / - - - S BACKING , ST R 1 (RIM=440.9 ♦ - - -- -° - -- / ♦ TO -BE I LLED WITHO T ♦ �/ TOP IN PHA II TO OUT L �• _ / 3 ♦ p / f ' O SEDIM TRAP #5 � � � �� _ _ � �� / _� � 1 `� � ♦ //� q I � �/ � ° - ♦ /` PROPOSED _ •C) 0 GREENWAY (TYP.) N ° 41� No LU EXISTING / 8 1 V / ' ♦ /� ■ VEGETATION 6` � \ ♦ �/ / d (TYP.) / �`' �� '�♦ / / // �� � w w/ WIRE w ♦♦�� ♦ / ®� i y / BACKING j p w �/ a' Z I ♦ ♦ `1 Noa (n ET a♦ / JOB NO. -- i i I - TYP. �- -- v +�� // y - 182150 No �,� I ♦ / �� / I� ♦ ` SCALE / ♦ ' ♦ - �� �� - n 0 r M1 • A - — �•t ,' / - j 1 3 �� •• ♦ - v — MATCHLINE, �� �- / �_ ♦� ♦ i/ r // � ' SHEET NO. •• - �� _ - - v �i �� SEE SHEET 12 �� / ♦♦ ' / ���- / — � °■ �II■II H pI Ia �■\[, ♦♦ / opo i 11 V El MATCHLINE, SEE SHEET 11 � � � ✓ ♦♦ . � / In SCOTT R. LLINS'21 � I � / • N / ic. L� 0 035791, o 31 � _ I 0.21 ac. �SSIO --_ NAL _ - - _ • 1� MEMO � 4 BW . s / ® 24 EG</ I P #'00' / o " - ♦ �� ♦ �. � — v / z w r ♦ -- i�� PROPOSED SWM FOREST & OPEN g / / ♦ // i i �� SPACE EASEMENT (TYPICAL) p O PROPOSED LIMITS OF / ' ' U DISTURBANCE TYP. PROPOSED / / ♦ °°°° �� �r O z r 41 GREENWAY (TYP.) / �� ��� � I ® / 1 a 0 O \\\ ♦ / - � - � � � PROPOSED LIMITS OF DISTURBANCE COINCIDES r � / ® \ ♦ / ® WITH SEDIMENT BASIN #1's PARALLELING SILT U Z M CD/ E d N FENCE. THE TREE PROTECTION, TREELINE, LIMITS _ E I w 00 ARESET0 FADIVIDE 0 � � � SET FOR GRAPH CALLYPURPOSES. � � � � � � RE / r ®� ♦ 0 i J c CL 00,® TP TREE ��� E ./ /� (� w z / rJ ♦ C i // PROTECTION g Q a PROPOSED SWM FOREST & OPEN 0(24 .14 c. 38 r / �/ �� p 0 j SPACE EASEMENT (TYPICAL) / 4 G �� PROPOSED /, GREENWAY (TYP.) > oo 1 �,40 Lu ✓♦ - ce 44�% 41 fJFi ° TP % T TREE / l PROTECTION / ; / / / � I /, oq rn / o / / /Q w/ WIRE SF ✓� n r 1 436 // �' �I ��� i �s� � '� M BACKING _q _ da 0000. - IN / INLET PRESERVED STEEP ® / / � SLOPES (TYP.) l - � •_ r `, P � , � / I /_ ECTI / / I '� / i -:'�► ® / I f l Lu r , / PROJECT LIMITS ♦. / �� ✓ / ® N ♦" / / / (TYP.) �/ ® ® / EXISTING VEGETATION co DC 400/' 411 ✓' �� , / �� P , j �' / (TYP.) Z / O _ / o I PROPOSED LIMITS OF DISTURBANCE COINCIDES / 40'/ � `' // i ✓� / ® (� WITH THE TREE PROTECTION. THE SILT FENCE, ® / �° ♦ / TREELINE, LIMITS OF DISTURBANCE LINE, Q DIVERSION AND DRAINAGE DIVIDE ARE ALL / ®® o i ,_-� / � 1 ♦ / � �, �-� 0 OFFSET FOR GRAPHICALLY PURPOSES. �/ - ♦ / ® / / ♦ I / / L / �B / ✓ / � � I - •� � �� � � � PROPOSED � � � � ;� � � J Z cib PROPOSED // py �. 7.22 aC. l�� GREENWAY (TYP.) — O GREENWAY TYP. / / ♦ / • ® T ✓ ♦♦♦ / e -6.6 min. . � ,' /✓ yi j I T� L u �- Lu 2 Q • �� 8 / / TP --� W / I TREE I - - PROTECTION t: I dS ui U un M I _ I / O O S w/ WIRE / W ul BACKING _ � INLET ® PROTECTION W N e TYP. i i /,�, �' � � W W �p z a / / _ / 40, LL ° / / x F i mow/ f�,` — �i41 0 i O - - / PROPOSED LIMITS OF / ®� ♦ ' � � // ✓/� �� � - I � ,� / � / DISTURBANCE TYP. W c J I Lu ✓/r�� A — / / / �� / i �� w p i ✓ ' i / 000 ✓� �� ��— PROPOSED LIMITS OF DISTURBANCE 0 Cz / - COINCIDES WITH THE TREE PROTECTION. � // � � � � � oloo ' JOB NO. THE SILT FENCE, TREELINE, LIMITS OF DISTURBANCE LINE, DIVERSION AND ! / J / / / 182150 DRAINAGE DIVIDE ARE ALL OFFSET FOR T / GRAPHICALLY PURPOSES. ��// ! i / / GRAPHIC SCALE SCALE LIMITS OF DISTURBANCE ARE A MINIMUM CD OF 5' FROM THE PRESERVED SLOPES. �.i 30 0 15 sa so 120 1 n_30 r SHEET NO. MATCHLINE, SEE SHEET 13 / �� / ( IN FEET 12 ® - - /- / ' 1 inch = 30 ft. - - � a STREAM, � S a � , \ ° ® TYP. i 434 TW � � � �°• - _ CRAP C SCALE I _ — — — 30 0 1 - 30 60 120 �I 434 EG • •�♦ -- i ( IN FEET) ® ♦ 1 inch = 30 ft. ♦♦♦ ° �I I EXISTING — - 1.6 VEGETATION OPO — — i I / — THE 6 MOST DOWNSTREAM INLETS ALONG STELLA LANE LOCATED PROPOSED / — -- AT THE LOW POINT, SHALL REMAIN BOARDED UP & WA RTIGHT PRESERV D STEEP GREENWAY (TYP.)---� � �/ / / i ♦♦ I UNTIL THEIR UPLAND AREAS ARE STABILIZED & THE ESC ( SLOPS TYP. I, INSPECTOR APPROVES THEIR OPENING. SEDIMENT TRAP #3 S TREE PROTECTION TP N. DESIGNED TO ACCEPT RUNOFF FROM THESE AREAS & THIS W LL REDUCE THE RISK OF SHORT CIRCUITING DIRTY RUNOFF. w/ WIRE �° PROPOSED SAF BACKING FENCE, I i� INSTALL SIGNS PDRBANC ITS OF L � � I � � � ■ � WARNING 0 0 — ♦ QUICK SAND, ROPO KEEP �I� -- - POR PO I f+ + / ♦1�. ■ \ .y OUT" I i 00 PROPOSE ONSTR CTI N CE ENTRANCE (12-X70-1414.)vI WA H o\ ■ (� _ 2 ♦ ��ti F RACK & DOWN GRADIENT DIVERS p1/ ' ■ & SEDIMENT TRAPPING DEVICE _-4 �� Q W °. Miami �1 • a °Qao, ° a g . ° • °• ° ° ° i a Q ■ NTRACTOR �� W� / A / ° 445. ♦ e w w w w w ( IM=4 I 0 0 - - ♦ STR 1 R 40.9 • ♦ I i ___ °• °° TO BE I, 1_LED WITH T �� ------ TOP IN PHA II TO OUTFA L ♦ ♦ \ / I _ -- NTRACTOR SHALL INSTALL --'Cp--------- R W DIVERSION ACROSS THE __ - -♦ I •, S DIM TRAP #5 ROPOSED9 CONSTRUCTION ENTRANCE. RWP �\ RIPRAP LINE i — ° ---- - _ — — — — • ° --- -__ --- - - — . � .•-�,' / � C � �LL WAY 43E� Sediment Trap design - . ° ♦ —° — — ♦ / g drainage area (acres) (<3) 1.63"R°B� _ _ ♦♦ _- �r N - - �_44 trap volumes: owawi CREST OF STONE WEIR vutua E' elevation (ft) area (sf) volume(cf) volume(cy) GROUND ( y) OM — LOCATION OF 15cy I ( ■ � � °• � 436 80 0 0.0 -- — ° ♦♦ ---- - FUELING AREA DUMPSTER LOCATION OF - ♦♦ � �� ■ � �' � 438 361 407 15.1 DRYSTORAGE ♦♦ TS - ■ 4. A 440 902 1.630 60.4 -442 1614 4.111 152.3 '♦♦♦ PROJECT LIMITS DD _ ■ \ ° 444 2427 8,125 300.9 wETsroRnsE �. ♦♦ (TYP.) P.) 1^\ \ ■ n / (IXGVATEO) FILTER CLOTH ORIGINAL GROUND ♦ YY" 1 w/ WIRE ��♦ ELEV ♦ ♦♦ BACKING SF / ♦ wet storage: ', • � � / \ -SEE PLATE 3.13-1 COARSE AGGREGATE— CLASS I RIPRAP • ` / \ • wet storage required (cy) (67"DA) 109.2 i ♦♦♦r j O Q ♦ ♦♦ ; __ bottom of stone weir (ft) 441.1 THE FUELING TANK SHALL BE COMPLETELY SURROUNDED BY A 2' ♦ ♦ �. o ♦ ♦ _- wet storage provided at this elevation (cy) 109.2 DEEP, T WIDE EARTHEN BERM WITH A HEAVY MIL POLYETHYLENE ♦ � j� ` �o �� , _ slope of wet storage sides 2:1 LINING, OR BE PLACED IN AN IMPERVIOUS OPEN -TOP DUMPSTER. ♦♦ I ° \ o weir length (ft) (6xDA) 9.8 THE PROPOSED BERM OR DUMPSTER SHALL CONTAIN FUEL IN THE F A SPILL. CONTRACTOR SHALL ENSURE VOLUME CAPACITY ♦ dry storage: bottom of trap elevation (ft) 436 IS 1 LARGER THAN THE MAXIMUM VOLUME OF STORED FUEL. : ' / / y dry storage required (cy) (67"DA) 1.2 bottom trap dimensions: 12'x1 EVENT O ♦ / �� � i � crest of stone weir 44343.0 top of dam elevation (ft) 444 / ♦ / 4 � ♦ � � � � � �� -r i i dry storage provided at this elevation (cy) 110.0 top width of dam (ft) 6' ST5 j \ ♦ slope of dry storage sides 2:1 top trap dimensions 45X83' ♦ i 40f • �' o i�� — s i� `■II■II■II■II■II■II■II■II■II■II■II■Il■II / MATCHLINE, SEE SHEET 12 i 4OF / s TREE PROTECTION i \ E s A�r PROJECT PROPOSED LIMITS OF DISTURBANCE COINCIDES BOUNDARY / WITH SEDIMENT BASIN #1's PARALLELING TREE �� PROTECTION. THE TREE PROTECTION, TREELINE, (TYP.) SILT FENCE, LIMITS OF DISTURBANCE LINE AND ` i _ DRAINAGE DIVIDE ARE ALL OFFSET FOR JGRAPHICALLY/PURPOSES. PRESERVED STEEP / 1000, J SLOPES (TYP.) PROPOSED _ _ _ EXISTING i GREENWAY (TYP.) VEGETATION s / / (TYP.) / O i �40' TP TREE / E / PROTECTION i i A i i PROPOSED LIMITS OFF DISTURBANCE, TYP. PROPOSED SAFETY FENCE, � % I ' INSTALL SIGNS "WARNING / s/ I V �W' -� QUICK SAND, KEEP OUT" I I ti /( , - ) /le / � � / -- PROPOSED SWM FOREST &OPEN ' � SPACE EASEMENT (TYPICAL)*41 F TREE 4000' I I PROTECTION000 i - / GRAPeIC SCALE 30 0 15 30 60 120 a' MATCHLINE, I 000,/ 0 SEE SHEET 7 ` % f j ( IN FEET11 ) III■II■II■II■II�II■II■ ■HEHE �� v �' 1 inch = 30 ft. �TH op, SCOTT R. LLINS - Lic. No. 035791,E `0 3/12/20 �,�' ''SIONAL E����� In U) z z w Uj 0 O O V V z >- O z H Q O O o m - Z��� LU w D 00 00 0 [n N OzJ,�N o Q H M a a w z � z z g g � a 0 � w 0 w W >> c �� °o 3, C� F-- Q C) N L9z r M J Z � N M 0 > Q W N J N � J W > ° J7--1'z Z J O V W � 4 z L9O r� CW J G ZQ � o U U0 cz W z W U 0 0O�/ l U) LL �j W W z W W J Ln v) J Q J W = jLJ� < 00 0 c) C)O N w J F- F- LU r1 LU a c= JOB NO. 182150 SCALE 1 "=30' SHEET NO. 13 // ■ PROPOSED SAFETY FENCE, SEDIMENT BASIN #1 DETAIL / � ■ \ / B \ INSTALL SIGNS "WARNING SCALE 1 "=30' Sediment Trap / Basin Subarea Summary / 9 QUICK SAND, KEEP OUT" ® / Phase I Phase II Phase / �■ PROPOSED IF / TEMPORARY p DIVERSION, q / TYP. / PROPOSED 30' WIDE GRASS LIN�D EMERGENCY SPILLWAY / / CREST ELEV.=383.00' / t --- -/ ® ®® Facility Area, ac. Area, ac. Area, ac. Sediment Basin #1 5.90 5.26 7.22 * Sediment Basin #2 3.06 4.31 7.55 Sediment Trap #1 1.58 1.93 1.93 Sediment Trap #2 2.52 2.91 - Sediment Trap #3 1.18 - - Sediment Trap #4 1.28 - - Sediment Trap #5 2.42 2.42 2.42 Sediment Trap #6 - - 1.63 * Sediment Basin #2 is designed for a 7.55 ac. subarea. This subarea takes into account the removal of sediment trap #1 & r/ ®® matches the final SWM design acreage. 1000, Flawas Ode ♦�♦ I j2 II o PROPOSED BAFFLES #01/ ti r PROPOSED 048" CL. III RCP STANDPIPE TO ® j SERVE AS RISER. RISER RIM ELEV.=382.00' w/ 6" DEWATERING ORIFICE INVERT AT 379.63. TRASH RACK REQUIRED AND SHALL INCLUDE ANTI -VORTEX DEVICE. goo v ell 400 v ® \ 401, I VIP u /.. Sediment Basin Design #1 o vv v;' drainage area (acres) 7.22 basin volumes: (using 2' contour intervals) FLOODPLAIN, \\ \\\ O elevation (ft) contour area (so volume(cf) volume(cy) m TYP. \ \ 376.75 3730.0 0 0.0 ru PROPOSED GREENWAY 378.00 4362.0 5,052 187.1 (TYP.) vv / �� E 380.00 5456.0 14,850 550.0 382.00 6650.0 26,936 997.E 384.00 7944.0 41,511 1537.4 w )( - STREAM LIMITS, \ �_ < / wet storage: TYP. E E \F / wet storage required (cy) (67*DA) oO IE E4 ✓/ dewatering orifice elevation (ft) 37 wet storage provided at this elevation (cy) available volume before cleanout (cy) (34*DA) PROPOSED RIPRAP LINED _ / cleanout elevation (ft) 37 OUTLET PROTECTION. SEE SWM i I < distance from cleanout to orifice (ft) (> 1') DETAILS SHEET FOR DESIGN INFORMATION dry storage: I 1 � / 0 / dry storage required (cy) (67*DA) principle spillway crest (ft) 38 00, dry storage provided at this elevation (cy) / diameter of dewatering orifice (in) diameter of flexible tubing (in) (orifice+2") I � runoff: �/ C (use 0.45 for bare earth) tc (min) / r 12yr 4.8 Q2yr 1 25yr 7.0 Q 25yr principle spillway: ' available head (it) diameter riser (in) spillway capacity, Qp (cfs) diameter trash rack (in) / 1 // ♦ barrel length (ft) 1 r / / head on barrel through embankment (ft) 1 / 0 diameter of barrel (in) _ - 454 TW 448 BW _ - - - - - - -- _ __ _ SEDIMENT BASIN #2 DETAIL ♦ - - SCALE 1 "=30' • ■ 41e000 - v ■ PROPOSED 048" CMP TO SERVE AS RISER. RISER RIM ELEV.=437.25' w/ 6" DEWATERING ORIFICE INVERT AT 435.82'. f I PROPOSED I BAFFLES I _ I _ o ♦♦♦ a ♦♦♦ POS TEMP RY a o` ♦♦♦ ERS TYP. _ 000 040 � t ■ � A ♦ PROPOSED SAFETY FENCE, INSTALL SIGNS "WARNING QUICK SAND, KEEP OUT" PROPOSED GREENWAY (TYP.) PROPOSED 25' WIDE RIPRAP LINED EMERGENCY SPILLWAY CREST ELEV.=438.25'. SPILLWAY SHALL HAVE 4:1 SIDE SLOPES PROPOSED 141.83' OF 024" PERMANENT CL. III RCP (II=428.0, IO=416.0) STREAM LIMITS, TYP. DESIGN HIGH WATER (25-YR. STORM ELEV.) 0.51 MIN 1 0 'DRY' STORAGE- " WET " STORAGE -. • ...Ir SEDIMENT CLEANOUT POINT (" TO 34 C.YORAG�EREE)EDUCED MIN. V WI SPILLWAY CREST OF EMERGENCY T WITHOUT SPILLWAY RISER CREST DEWATERING DEVICE 484 design high water 383.00 9.63 top of dam (ft) 384.00 484 top width of dam (ft) 10.0 245 bottom of basin (ft) 376.8 8.30 approx. bottom dimensions: 71'x75' 1.3 upstream face slope: 2:1 downstream face slope: 3:1 484 baffles: YES 2.00 length of flow, L (ft) 85 514 effective width, We (ft) 78 6.0 L / We (baffles required if < 2) 1.1 8.0 collars: YES depth of water at spillway crest (ft) 5.25 0.56 slope of upstream face (Z:1) 2 6.6 slope of barrel (Sb) 5.75% 19.4 length of barrel in saturated zone (Ls) 40.91 31.1 number collars required 2 dimension of permanent collars 4.0'x4.0' 1.00 emergency spillway: YES 48 required capacity (Q25-Qp) (cfs) 0.0 40.0 bottom width (ft) 30 72 slope of exist channel (ft/ft) 5% 21.7 minimun length of exit channel (ft) 15 2.00 crest of spillway (ft) 383 24 Sediment Basin Design #2 drainage area (acres) 7.55 basin volumes: (using 2' contour intervals) elevation (ft) contour area (sp volume(cf) volume(cy) 434.00 6600.0 0 0.0 436.00 10163.0 16,635 616.1 438.00 14375.0 41,052 1520.4 440.00 19443.0 74,743 2768.2 wet storage: wet storage required (cy) (67*DA) dewatering orifice elevation (ft) wet storage provided at this elevation (cy) available volume before cleanout (cy) (34*DA) cleanout elevation (ft) distance from cleanout to orifice (ft) (> 1') dry storage: dry storage required (cy) (67*DA) principle spillway crest (ft) dry storage provided at this elevation (cy) diameter of dewatering orifice (in) diameter of flexible tubing (in) (orifice+2") runoff: C (use 0.45 for bare earth) tc (min) 12yr 4.6 Q 2yr 125yr 6.7 Q 25yr principle spillway: available head (ft) diameter riser (in) spillway capacity, Qp (cfs) diameter trash rack (in) barrel length (ft) head on barrel through embankment (ft) diameter of barrel (in) 506 435.82 551 257 434.82 1.0 506 437.25 594 6.0 8.0 0.52 7.2 18.1 28.9 1.00 48 40.0 72 141.83 22.25 24 NOTE: ALL TRASH RACKS REQUIRED ON ALL ORIFICES. ALL TRASH RACKS SHALL BE PROVIDED AN ANTI -VORTEX DEVICE. Sediment Trap design #1 drainage area (acres) (<3) 1.93 trap volumes: elevation (ft) area (sf) volume(cy volume(cy) 442 1789 0 0.0 444 2576 4,341 160.8 446 3463 10,358 383.6 wet storage wet storage required (cy) (67*DA) 129.3 bottom of stone weir (ft) 443.7 wet storage provided at this elevation (cy) 130.1 slope of wet storage sides 2:1 dry storage: dry storage required (cy) (67*DA) 129.3 crest of stone weir 445.0 dry storage provided at this elevation (cy) 134.0 slope of dry storage sides 2:1 Sediment Trap design #2 drainage area (acres) (<3) 2.91 trap volumes: elevation (ft) area (sf) volume(cf) volume(cy) 420 3234 0 0.0 422 4324 7,532 279.0 424 5515 17,347 642.5 wet storage wet storage required (cy) (67*DA) 195.0 bottom of stone weir (ft) 421.5 wet storage provided at this elevation (cy) 201.7 slope of wet storage sides 2:1 dry storage: dry storage required (cy) (67*DA) 195.0 crest of stone weir 423.0 dry storage provided at this elevation (cy) 248.3 slope of dry storage sides 2:1 MIN. V WI SPILLWAY Y WITHOUT CREST OF EMERGENCY SPILLWAY DESIGN HIGH WATER (25-YR. STORM ELEV.) 0.5' ------- MIN. 1.0' -------- RISER CREST " DRY ' STORAGE DEWATERING oEMOE " WET " STORAGE SEDIMENT CLEANOUT POINT UCED WET ,("TO 34 C.YORAAERE) design high water 438.25 top of dam (ft) 440.00 top width of dam (ft) 10.0 bottom of basin (ft) 434.0 approx. bottom dimensions: 76x85' upstream face slope: 5:1 downstream face slope: 3:1 baffles: YES length of flow, L (ft) 96 effective width, We (ft) 133 L / We (baffles required if < 2) 0.7 collars: YES depth of water at spillway crest (ft) 3.25 slope of upstream face (Z1) 2 slope of barrel (Sb) 8.46%D length of barrel in saturated zone (Ls) 29.48 number collars required 2 dimension of permanent collars 3.5'x3.5' emergency spillway: YES required capacity (Q25-Qp) (cfs) 0.0 bottom width (ft) 25 slope of exist channel (ft/ft) 33%D minimun length of exit channel (ft) 48 crest of spillway (ft) 438.25 Sediment Trap design #3 drainage area (acres) (<3) 1.18 trap volumes: elevation (ft) area (sf) volume(cf) volume(cy) 434 1084 0 0.0 436 1810 2,863 106.0 438 2636 7,283 269.8 wet storage wet storage required (cy) (67*DA) 79.1 bottom of stone weir (ft) 435.6 wet storage provided at this elevation (cy) 80.6 slope of wet storage sides 2:1 dry storage: dry storage required (cy) (67*DA) 79.1 crest of stone weir 437.0 dry storage provided at this elevation (cy) 99.8 slope of dry storage sides 2:1 1VARWBLL ORIGWL CREST OF STONE WEIR VARIABLE' GROUND \ ELEY. DRY STORAGE - ., vARADLF • WET STORAGE (EXCAVATED) ♦' MAX. FILTER CLOTH ORIGINAL GROUND 1 ELEV. -SEE PLATE 3.13-1 COARSE AGGREGATE •� CLASS I RIPRAP weir length (ft) (6xDA) 11.6 bottom of trap elevation (ft) 442 bottom trap dimensions: 26'x79' top of dam elevation (ft) 446 top width of dam (ft) 6' top trap dimensions 42'x95' 1' VARWBLEOffiGIINAL • GROIJNO CREST OF STONE WEIR VAAIABIE• ELEV. DRY STORAGE - ti r VARIABLE WET STORAGE 4' MAX. (EXCAVATED) FILTER CLOTH ORIGINAL GROUND ELEV. •SEE PLATE 3.13-1 COARSE AGGREGATE CLASS I RIPRAP weir length (ft) (6xDA) 17.5 bottom of trap elevation (ft) 420 bottom trap dimensions: 44'x109' top of dam elevation (ft) 424 top width of dam (ft) 10, top trap dimensions 59'x125' 1-1 VARLADLL ORIGNIAL CREST OF STONE WEIR vARusLE' ROU GROUND \ \\ T.o• DRY STORAGE !, VARLAF,' WETSTORAGE ♦• MA%. (EXCAVATED) FILTER CLOTH ORIGINAL GROUND 1 ELEV. -SEE PLATE 3.13-1 COARSE AGGREGATE• CLASS I RIPRAP weir length (ft) (6xDA) 7.1 bottom of trap elevation (ft) 434 bottom trap dimensions: 16k7T top of dam elevation (ft) 434 top width of dam (ft) 10, top trap dimensions 335K93' SEDIMENT TRAP #1 DETAIL SCALE 1 "=30' PROPOSED SAFETY FENCE, INSTALL SIGNS "WARNING QUICK SAND, KEEP OUT" I i a ♦♦♦♦♦♦♦ ■ TEMPORARY ♦♦♦ PROPOSED ■ DIVERSION, ♦♦♦ GREENWAY • TYP. ♦♦♦♦ (TYP.) • ♦♦♦ I ♦♦ ♦♦ ♦♦♦ OPOSED 11.61 RIPRAP LINED �♦♦ SPILLWAY CREST .---...-o��0�♦ ELEV.=445' SEDIMENT TRAP #2 DETAIL I � SCALE 1 "=30' _L� ■ \ PROPOSED GREENWAY I ■ (TYP.) if �-TEMPORARY DIVERSION, TYP. If /p ■ / N ■ / N ■ PROPOSED 17.51 RIPRAP LINED / SPILLWAY CREST ELEV.1-423' ;r \ � o i ,�r 1 I /r ® PROPOSED SAFETY FENCE, ■ INSTALL SIGNS "WARNING / ■ QUICK SAND, KEEP OUT" • t ♦ 'ftmam 411,;♦♦ ® 1 • ( PROPOSED GREENWAY �® ■ PROPOSED 7.11 RIPRAP LINED SPILLWAY CREST ELEV.=437' SEDIMENT TRAP #3 DETAIL 1� PROPOSED SAFETY FENCE, INSTALL SIGNS "WARNING QUICK SAND, KEEP OUT" SCALE 1 "=30' ♦w00aI Iaa0�I��� _ ■ ■ ■ ■ ■ ■ i W o SCOTT R. LLINS'1 �i Lic. No. 0357911E ° 3/12/20 1�SSIONAL Ln (n F_ z z w Lu 0 O OV V O z Z I- Q O U � Ln m Z��o w 00 Go 0 � N OZ_j­I O Q LY H L a a w z cn g Q � � a w 0 w WLu ce L� � Co o I- Q C) N .--I L9 z r ti co J Z 0 N M N o N J Q ' Q W > ~ LILI w Q ZJ J - > OZS O W O z L9 , i U r-I O Z = O w U � � W' w U 06 U1 O z j O w �./) Z w o w J w = JLJ� < V O C:)O N C�e w U co J F_ F_ LU r1 LU a (_ JOB NO. 182150 SCALE 1 11=30' SHEET NO. 14 BOX CULVERT DRAINAGE PLAN SCALE 1'=200' i \ EF L / l f I 1 I �� �_- � CULVERT 1A �1 CN=57 / Tc=0.32 hrs. i - /4f#y I I I /ra �� FiwA� Tc0,32 hrs. \�� � ���� �- 1Q0 OF OLF w/ 4 ELEV5 (Tc=0:23 hrs:) 7.00; QE CF w� � ELEV.L.2' �Tc0.04 hrs.) J % V\� ? \V �� -�0 O-HANNEL FLOW @ 5 ft/s (Tc 0,05 hrs.) J I \2 � c J � v �� - - \ .'li� PROPOSED �I A \ \ '��. "� v \ � � \ i �� � , , ' � � � CULVERT \ CROSSING �/ /�/ �- �� �� • \\ i A �� ■ A ■ I \ ' II - i •■■■■ MEN ■■■■■■■■ aka /j �/ // ��� '� �� � �� � (\ ,,, � y � � � � III, ��� ��' I ■ �� A / i II - UG-RE�ROUTED THRO D IN WPO 2018■now 000E 5 (THIS ANALYSIS CONSERVATIVELY _- EL�Y � � ASSUMES ZERO ATTENUATI - - V \ _ I _tf Y:- ____ -741 ,III I WATERSHED SUMMARY Area, 10-year Flow, 25-year Flow, 100-year Flow, CN ac. cfs cfs cfs 711111 I / ��� f l/� 11 l 1\\_✓; l lI I / I 1 Culvert #1 57 60.50 74.42 121.15 219.74 = j i -7� BOX CULVERT DETAIL �Co O r+ \ �` o SCALE 1'=30' o ��: - LIMITS OF PROPOSED VDOT CL. AI RIPRAP LINED DOWNSTREAM TYP. OUTLET PROTECTION WITH FILTER FABRIC GREENWAY P \ UNDERLAYMENT. FILTER FABRIC TO BE KEYED INTO THE \ - EXISTING GROUND A MINIMUM OF 9" AT THE ENDS AND ALONG THE PERIMETER, AND THE STRIPS OF FABRIC _ SHALL OVERLAP A MINIMUM OF 12". ENERGY DISSIPATER - - - - - DIMENSIONS: 16' LONG, 15' WIDE AT THE CULVERT AND 1 zl' w IDE AT THE END. STONE THICKNESS=18 6 ° ONE (1) PROPOSED 5'x5'- REINFORCED CONCRETE BOX CULVERT a c _ 3+00 PROPOSED VDOT STD. _ O� e \ \\ + orb O� CONCRETE HEADWALL WITHOUT WING WALLS - i ° PROPOSED VDOT STD. CONCRETE HEADWALL WITH 450 WING WALLS • 0+00 BLOCK _ - LIMITS, TYP. \ PROPOSED CULVERT DIMENSIONS: - - - - --- 250.00 LF @ 3.04%, INV. IN=403.10, INV. OUT=395.50 \� PROPOSED VDOT CL. AI RIPRAP LINED UPSTREAM ENERGY \ \ \ DISSIPATER, WITH FILTER FABRIC UNDERLAYMENT. FILTER FABRIC TO BE KEYED INTO THE EXISTING GROUND A MINIMUM OF 9" AT THE ENDS AND ALONG THE PERIMETER, AND THE STRIPS OF FABRIC SHALL OVERLAP A MINIMUM OF _ \ 12". ENERGY DISSIPATER DIMENSIONS: 10' LONG, 10' WIDE AT THE CULVERT AND 18' WIDE AT THE END. STONE \\ \` THICKNESS=18" 2� ° -G PROPOSED VDO7 CONCRETE HEAD WITHOUT WING PROPOSED VDOT CL. Al RIPR) LINED UPSTREAM ENERGY DISSIPATER, WITH FILTER FAB UNDERLAYMENT. FILTER FABRIC BE KEYED INTO THE EXISTIN GROUND A MINIMUM OF 9" AT ENDS AND ALONG THE PERIMEI AND THE STRIPS OF FABRIC SH OVERLAP A MINIMUM OF 12" ENERGY DISSIPATER DIMENSIC 10' LONG, 10' WIDE AT THE CULVERT AND 18' WIDE AT Th END. STONE THICKNESS=18 CULVERT NOTES: 1. CONTRACTOR SHALL ENSURE THE PROPOSED CULVERT #1 IS COUNTERSUNK A MINIMUM OF 6" INTO THE STREAM WHEN IT IS INSTALLED, ON BOTH ENDS OF THE CULVERT. 2. INSTALLATION OF PROPOSED CULVERT #1 SHALL MEET ALL CURRENT VDOT STANDARDS AND SPECIFICATIONS. SEE THE NEXT SHEET FOR DETAILS. 440 440 435 4_5 430 430 425 425 R 0 P 0 S E D GRADE 420 4% 415 415 410 410 STD. ONE(I)PROP 5'x5' REINFORCED BOX SED PROPOSED VDOT CONCRETE STD. ✓VALE CULVERT CONCRETE ENDWALL VALLS WITH 450 WING WALLS 405 / XISTING GRADE 40 �P \ ZIC �- TO 400 2S0. IN,4 p3 1/@W3.04, \ 4 ER, 4LL " T` 3g5. nrV, SO \ NS: \ E 395 PROPOSED VDOT CL. AI RI RAP LINED DOWNSTREAM 395 OUTLET PROTECTION,I WITH FILTER FAC�RIC�� -. UNDERLAYMENT. FILTER FABRIC TO BE KEYE INTO THE EXISTING GROUND A MINIMUM OF 9" AT THE ENDS AND ALONG THE PERIMETER, AND THE STRIPS OF FABRIC SHALL OVERLAP A MINIMUM {I F 12". ENERGY C�ISSIPATER DIMENSIONS: 16' LONG, 15'WIDE AT THE CULVERT AND 390 21' WIDE AT THE END. STONE THICKNESS=18" 390 J J O co CoLO 0N w w o \ No co 0 0 0 00 6 LO LO w L� 0+50 1 +00 1 +50 2+00 2+50 3+00 3+25 BOX CULVERT PROFILE CULVERT NO. 1 SCALE 1'=5' (v) SCALE 1'=50' (H) Project Brookhill Neighborhood Blocks 9-11 Plan Sheet No. Designer FGM, PE Sheet 1 of 1 Rev. Date Date 2/7/20 STATION: AHW Controls CROSSING #1 HYDROLOGICAL DATA 100 yr. Flood plain elev. D.A. = 60.5 ac., CN - 57, TC -0.32 hrs. Design AHW depth elev. Structures elev. freq. TWelev. Shoulder = elev. 440 = CL elev. 440.4 DISCHARGES USED RISK ASSESSM ENT ADT Skew ° Cover n Q 25 = 121.15 CFS Detours Available Length Q Design = 135 CFS Overtopping Stage Q = CFS Flood Plain Management Inv. El. 403.10 So= 3.04% Inv. El. 395.50 Q = CFS Criteria and Significant Impact Orig. Gr. Elev. 403.6 L= 250 Orig. Gr. Elev. 396 Q = CFS CULVERT TYPE & SIZE Q Q/B HEADWATER COMPUTATIONS CONT. HW. ELEV. OUTLET VELOCITY End Treat. COM M ENTS INLET CONT. OUTLET CONTROL HW/D HW Ke do (dc+D)/2 ho H LSo HW C.M. Smooth (1) - 5'x5' Box Culvertw/ 45° wingwalls 135 135 1 4.5 0.5 8.3 6.4 6.4 3.2 7.6 2.0 400.00 12.65 1 YES Inlet Controlled Note: Design assumes lower 6" is submerged Design Flood Exceed. Prob. Elev. Overtop Flood Exceed. Prob. Elev. SUMMARY & RECOMMENDATIONS: Base Flood 1% Exceed. Prob. Elev. � sC0TT R. LL1NS`_ ,�_) Lic. No. 035791 1hcl 3/12/20 LnLn z z z w w O O U U z J Z = a O O _ U U U o m Z w w 0 z J +� N O Q LU > U) U) w z z Q J a 3 LU w C] w W � > U) > CO °' o UJ o � N Lur M J rn z CL N M N O WC14 > N I W L �--� z J J C;6 z _ U) Q J OLu _J W Ld_ \ �. U ZQ J U � � U W � � x w O U m Ul 5 p w z Nw J w = JQ O 0 c) O O N ce w U co J H H F- w F- w a � JOB NO. 182150 SCALE AS SHOWN SHEET NO. 15 BCS-9T 2016 ROAD & BRIDGE STANDARDS GENERAL NOTES, Coao-ity: AASHTO HL-93 Loading SPeri f i co I ions: Constructkont Virginia: Deportment of Transportation Resod and Bridge Spec I.-:--,...._. Oesigrt: AASHTO _RFD Gridgm Qe si n $1 m"ificot.ar"s„51th Edition 2(010; 2011 Interi•r Specifications: and VDOT a aailfieatons, Adltvncreke shall be Class A4.. Qefmr mid rein far ring bars yho 11 confprm ka ASTM A515, Grodo 613: All reinfor ci mg bar 01m r -<1. s. , the aeaolled arowlr•.gs are to centers ❑f bars except where otherwise noted and are sub-_:' I (S a- 1/ f ri e n n p n 6 21. BLl - A S o_ 472" = B to ❑b ca# an o d co- struCt vn tolerances. 13L1 - C Ec_ Spa. - D not_ AJkarndte BH3 withConstruction joints shall be constructed one! 3onded in accordance with the currant VDOT Road and Br'clge Speclfivatians. QH3 F T1 €iH3 allcornmr9 i1_ T3 Go q a a, «t w:z when required Barrels more than 35 Ir: length shall be poured 1n sections by providing ver kcal construction joints. n•ol exceeding 25' between jarnts nor snore Phan 30' from ends of barrels, 81-1 all corners **- Bars BH1 and BH3 shall Trove a Pin diameter of 24 bur diamglsrs_ Dimerm;ans an bar diagrams ore nut -to -out of bars. Burs are strmght unless otherwise sh^ The number of 31-1 and BL2 bars shown in the table is the number of longitudinal bars 4h the kyPIC01 seC°.ion and moY not equal the total number of (?Ors reCluireG- EFLI and BL2 be . II_ f have a la of 3O has diem t rs at splices- Atconstruction inks .first JaceS bars shall , P gatpp bar diameters be and the joint- Estimated t1UA'A,JLF shown Jf or rainfersing stee does not=-L.dt• T_ the awontity Far laps of RLl and 9L2 bars. The additional weight per longitudinal lap is shown in the kanlg. The mr , rn .-aver of main reio1ar6ng bars 'shall be 21kI2" from the face of the concrete for calve ., LC to 2 feat fills and shall be 2" from t e, face of the concrete for all other Lap BH1 clAlve=;.c, AJI reinfor:_i-'- steal for culverts under G to 2 Forst €ills shall be low carbon./chromium reinfarcing Steel conr�lr�._.9 to A5TM A}035_ At the Ca :-.tor's option QV1 bars may be spliced at the permissible construction joint in order Lei foclllta rutLi6ri. &:o additional comperisatiorl shall be provided far the inereasm in reinforcing 'tc•• _r;,ntity dU, to the splices. Headwall q I: n.� 5nawn assume wingwall5 are to be buil4 at a 45° angle to the headwall. P ermissitlle The des o applicable to the fill height and other conditions indicated. Any change to the c vnstru[tivn cond't r I- �ol;dates these designs. it i a R 1 YP- kn � .tF: n r fi h foundation h m t r h W w II a aid b letter o w en A e acceptable level t o some o bat box and 9 wl l.S II ir,indatlon levels are different, the IhWght of the wingwtoll shall be ockuskeo 'ay seleriin^ 8H1 of onu her.letterad wix gwall of the npPra4vriale height_ For wingweIr details, refer to standard series T2 BCW far the nppropriata f II slap o, BL1 - A Spa, 8 12" - B Far details of extending existing boxes, refer to aiondard 13CE-01. (Spun-BW2 J top and boll_ For modification .of detods for skewed culverts, see the skewed box details included in the rou_ TYPICAL SECTION plans' This standard shall be used with the BCS e-tomdard smries. ®H2 9" "p' 31, SPAN 4,11 Iya- , "d 1 HGHT RV? .4 " H _ B 241 , A COPY OF THE ORIGINAL SEALED AND SIGNED DRAWING IS ON FILE IN THE CENTRAL OFFICE. V©a-r SPECIFICATION SINGLE BOX CULVERTS ROAR ANQ 1RIOGE STA"NfJARDS F)EFEI7ENCE SHEET I DF 2 REVISLON DATE STAhlDARD DETAILS 1O02,01 07/12 VIRGINIA DEPARTMENT DF TRANSPORTATION ?EI'18 PnAn R RRInt,F gTANtnARn 2016 ROAD & BRIDGE. STANDARDS BCW-21 GENERAL NOTES Speo7fleof ranse AA5 HTO LRFO Brad Design S:pee:ificetiuns 5th Edit an 2010; 2L41I Ehterom Reuos,onsl and V66T MadlflectlarrS LTmfts of volldrty for Standaro Wlnqwall desTgn The standard wingwall deslafis are Dazed on the fallowing ossump+lor,s: there :s no s+ruc+ural connec+fon between the wall and'+he box culvert r i 1 [ neglected, t of f c surcharge Ivod n s a 9 Bock f rl I 4. 1 M r m-r1 r m sin w1 h ar o rn fr1 I n an- d' f Back II shall ,a se rariulq ate I Internal c o la a sit leas 32'. p g t t t 3 n qq .- Cohesve backflll shall not be it 5htted. Comp c of the backflll materral withrn a distance o� h i_ w . h n m n one-half t o he nt of tkle all shot !De b a d compactors o I a y ❑ y n r qin o31e Trio Contractor snall provide the cralragosystem rndaated an 5rteat I. The cast for the drains�a system SrnalusYfungi vorous backflll, 6" arameter non-rlpld tubing] and other Items repulredl shall he 1nCldental the Cost b`..d for Concrete. Concrete All concrete shall be Class AA. RaInforcemant T i-mg , re, ,n sconformA' A r AIIreinforcingr f n51 n e o c nfara r; Gar hall to STM 61 Cradle 6 bar sine a s an he detallee drowings are a Centers of bars exceptwhere a lsrwlse notes and are subject to fabricctron and construct,an tolerances. Drmeslon,son bar atagrams ore out -to -out of bars. Bars are strarg t unless of arw se shcwn. The concrete cover to the outermost reinforcement bars shall be as follows: W II f tin tall faces sl 3" minima mr cover Well .stem P. rice -Se 2'/ ' mir--- em -- Sn At the Contractor's o t on WV Series bars may be spliced at to of the fiat[ In order to ❑ P P Y A f 1 H _5 n n.. withSheet ncll Ltate canstruatfan. Spp11ce lengt sal r T qecarda v r w t Tube C o� luoe I Na gcldl splice abmnensatlan shall be Prav did or this rharease Tn relnf era h.5 steel scant ty due to the Spl'aas._ M I stills: reaus Wee ❑hulas shall be Placed at the lowest paInt faasile for free acrWage away from the wTn g. win for r i t1 l- n k and Four Type 5 ore to oe used o st v t Cross n s and s r 1s to 20" _ Two Type l o d YP ❑ 9 P YP f fr Q d" r 1 n two Type II WPr. s are to he used ,or skews om 25° to 5 For skews above 45' s eclol des wings are raqul a'. Tno -Ire-all to Do used for each culvert rs shown on the DC sertas sheets.g The des''$ns shown are applicable for a 45' skew with the roadway ono other car,ditrons lndreatec Any Change in these ronditlans ihvolldates these designs_ quon+ltlos shown are for one wren. 9 WING Wall 9uontltie5 r1r_mi High End qr_mr Lew End Concrete CY Retrifarcement LB A 2.3 204 0.91 0.46 8 2.8 245 L.05 0.4E C 3.2 273 1.21 0.49 Q 4 .0 306 L44 0.5 2 E 4.4 346 1.49 0.52 F 4 .9 37G L.71 0. S 2 5.6 4 34 7 I. 9 0.55 H 6.2 4G3 2.02 0.55 1 7,] 552 1 Z.10 0.60 J ).7 589 2.36 0.60 >{ 8.6 672 _.+13 e.65 L 4.3 7 78 2.7'0 V.65 M 10.3 e70 2.76 0.71 K 1 .7 @ 9 0 5 3:35 0.8 5 0 li.7 1914 ?.:e 0.85 H 13.2 1172 :i.:7 P,.88 0 4 ] .0 133 7 4 3.5 0.88 H 15.3 l 444 3 ..5E - F1. S 9 S 16.5 1591 3.58 0.95 T 17.5 1695 5.86 1.03 L' 18.8 2002 3.92 1.03 20.3 22 _R _ 99 3. I.1 I w 71.7 2403 4.07 1.11 X 27.0 2884 4.26 1.27 Y 3r.f 3334 4.36 1.30 Z 33. 9 / 35 B 4 .4G 1 9 1.v AA 35.9 3B76 4.56 1.39 BR 38.8 452Z 4.5G 1.48 CC 41.>8 1747 DID 50.0 1 5684 EE 52.tr 1 6313 5.10 1.71 -VV©aT 0. COPY OF THE ORIGINAL SEALED AND `SIGNED 1ORAWING 15 ON FILE IN THE CENTRAL OFFICE WING DETAIL GPECIFICATIDN yy ROAD AND BRIDGE STANDARDS REFERENCE SHEET IOF B REVISION DATE 2. 1 FILL SLOPE - TYPE I 1007.01 07/12 VIRGINIA DEPARTMENT OF TRANSPORTATION 2016 ROAD & BRIDGE STANDARDS 2016 ROAD & BRIDGE STANDARDS BCW -21 WF4 WF5 WF6 WING 5.12 LENGTH SIZE a LE,4r;T H 512E In LEN0 T H FROM TO VAffY BY FPC�M T(D ,�+A:;Y BY FROM TO VARY BY FROM T,7 VARY BY A 4 �� 2' - - - - - - - 4 3`-4• 2'-6' @'- t%, 4'-9' 3'-10, @`- i%• B 4 7'-2" - - - - - - - 4 3'-4• 2'-6' 0'- L'A' A'-9' 3'-10' 01- 1V2. C 4 8' 2" 3 2 O.-1$T' 3 k. 0'- 1ST' D 4 9'-3' - - - - - - - 4 3'-10' 2'-C, 0'- 13A. 5'-3' 3'-10, a` 1N, E 4 - 0' 3' - - - - - - - 4 3'-1 E1 - 2 . 5' - 0' 1 �`_ 3 - 3' 0' l - 0 1• F A :1..'-T - - - - - - - 4 3'-10, 2'-6' @'- 1 ' 5'-3' 3'-10• P" 1'%' G 4 12'-3` - - - - - - - 4 4'-4• 2'-6' 01- 13/4. b,-9' d'-LO' 0+'- 1''A, H 4 - l3' 3" - - - - - - - 4 4'-4' - 2' G' - 0° 1 ca .-' 1. - 3' L0' - 0' 1 , 4 l4'-4' 4 4'-111 4"-2' '•a'- It1/Z, S'-3' 5"-6' B'- ,1/3' 4 4°-t0' 2'-G' 0'- 21 6'-a' 3'-11" 0'- J 4 15'-4' 4 4'-11, 4•-1' r3'- 136' W-3• 5'-5' a7'- I%' 4 4'-10' 2'-6' @'- IA' 6' T 3"-10• 12 - 1%' 1( 4 16'-5' 4 5, -5. 4"-5' 0'- III•' G'-9" 5'-i8• 0'- 11/2' 4 5^ 4• 2'-6• F- 2' 6'-9" 3'-ll" E'- 2' 4 / b 4 5,_ , 5 q,_ 9 0 /2 8 �„ ., q, S N /2 4 5 _ Al 7 _ 6 _ 0' ?' Ill, 6.-9iI 6 3 ll" I'• 2, M 4 .8` 5' S 5'- t' 1 4 _a, 0'- I �' 7 -2' 6' t S " �' 4 5`-l0' 2'-6' @' - 2 1 1 r� 7'-2' 3 -1 " 1 0 2 ' 'fie N 4 !8' 5` 5 5'-11, 4'-9' 9'- 1 7°-2' 6'-1• 0 '%' 4 5'-12' 2'-6' @'- 21�' 7'-2' 3 -111, 13- 2JIg' O 4 19'-6' 5 6'-4' 5'-2' 0- I'AA, 7' 8' 6•'-6' ,Y- :'A' 4 6­4' 2'-6• 0'- 2%, 7.'-8' 3'-tl" a' 2%, 2tl' fill -6'-!' 6 I' 1a. 5 v - 0' t �,' 8' 2' 6 - . ffa' 4 fill-10" - 3' 0' - 1 . @' 2 /4 B' 2' S _ .€ . O' 2 /4 9 4 21'-G' 6 - 6' tl' - 5' G' 0' - i6' f1'-2' - 6' 9' 2' i6' 4 6'-ls - 3' t3' - ®. 2 '� -- B' 2' 4'- , 5 - 6' 2 , 1fe R 4 22'-7• 5 6'-5• 5'-11 0'- 7'-9' u'-5' 0' ."'A'4 7'-4' 3'-0' @'- 211.' B'-8' 4'-5' @°- 2"A' S A 23 S 6'-fill 5` 6' 0' ++�9' 8' 2' _1 6 .e' 0' _ r T . -/H r 16' 3' 0' @' 2 , . rod 2. 4' S' P•' 2 . /2 T 4 24'-7' 6 6•-,1" 5°-7' 0- S%, F-2' !,--w- 16"- :%' 4 7'-1F1' 3'-01 01- 2336' 'i'-2' I 4, -5, (5`- 2 . D 4 25'-9' 6 7'-2• 5'-4' 0'- l�a' 13'-5' 7'-01 9'- '¢%s- 4 83 4• 3'-0. 0'- 21/2, 9'-8` 4'-b' rb'- 2jf2' V 4 2G.'-10' G 7' 7' S' S 0` 211 B'-]@' G' 8' O' 2' 4 B' l0' 3.1. 0' 25A, 10' 2' 4' 5' @` 2 W A 27'-!l" 7 8'-0• 5'-11' 0'- 2" 9'-3• i, -0' J.'- 2• 4 9'-4• 3'-1' @'- 2--" 10'-8' 4'-5• 6" 2Yn' K 2 @ 6 a'-,.6 0' 2 l - 10­6' 8' 2' 3' 2 S 10 3' 7' 0' 2... /a ] '-2• 2 5' S• 0• Z. Y 4 37J'-l' 6 9`-]l' 6'-9' _ 1 , d' Sf 12°-z' 9'-0' tl , A'- ,� 5 11'-4' _ q 4` 1 0'- 3- 13'-81 _-,I 6' 5 0'- 3 11 Z I 4 1 31'-2' 6 10'-11 6-10' 0'- 2 ' 12'-5' 9'-L' 2,'- 2 1 5 il'-10' 4'-111 0'- 3' 14'-2' G, _5" 6'- 3" AA 4 _ 32' 3' 7 !@'-7' _ 7' 2" 0'- 2 _ 12' 9' _ 9' 5' _ 0` 2 ' �d 5 12 ._4. 4'-1" _ 0' 3.8" t/9 4,_.. 1 8 _ 6' 5" _ iy 3; ' 8 69 4 33`-6' 7 ES'-5' 7'_41 @'- 2V?' 13'-7- 9'-ll" a'- 2VV 5 13.:_4. 4'-1" 0._ 3%" 15'-8' 6'-5" Or_ 3mx, CC 4 4._ 1 3 . 7 7 F1'-10' B"- ' 1 _ 4b' 2�S' 4'-.' 1 l .0 _ 4' _ 0` 2�' 5 3 •_{ 1 l H 4'- " 1 _ 0' 3 fa' - 16' ?' 6•_r3,1 _ 3, , 0' /2 ` ODI 5 1 35'-7' 7 A -10' a, 21 0- 2Yz' 15` 0 11"-5" 0'- 2l/2' 5 I4`-4' 4'-7' 0'- 3%11 171-8' 7'-11' a' 3 ' EE 1 5 1 36'-8' 7 !'2`-O' 8'-3' W- 2%' 15'-3' 11'-6" W- 2%' 5 14'-L0' 4'-7• 0-- 3I/s" 18'-2' 7'-]l' t4F9-NN uq. spa: 04 sloe 2016 ROAD & BRIDGE STANDARDS SvMMETRICAL ABOUT (L CULVERT ----, 8 IW1TH WING, 4fWI1+SG REMOVED) 3O'MNSTREAM END) fUPSTREAM EN01 END ELEVATION .,P5TREAM Eti0 'O'd'NSTREAM BARREL LENGTH (OUT-TG-OUT HEADW'ALU END FILL SLOPE 6"x6" FILLET - *11TLDP OF TOPSLA3 i2„ � - `I qTl .. - / Z _4_1__ 12" R UPSTREAM END (OPTIONAL AT ,DOWNSTREAM END) x. ' W Tz P+'-72" SECTION A -A [WITH WING) REINFORCING BAR DIAGRAMS n ei BH1 BH3 r 6" x %" PVC -12" OUMBELL WATERSTOP HW1 CONSTRUCTION JOINT • / c SPE(-I F L. n.TION REFEzEN..CE SINGLE LJLJfi CULVERTS STANDAE�D DETAILS VIRGINIA DEPARTMENT OF TRANSPORTATION 2016 ROAD & BRIDGE STANDARDS WF2-AA 0 12"II - BB top JI' and bot. WFI I-NN etl. spa. = 00 each corno of #pp Hng SPECIFICATION REFERENCE A COPY OF THE ORIGINAL SEALED AND SIGNED DRAWING 15 ON FILE IN THE CENTRAL OFFICE =1T WING DETAILS SPECIFICATION ROAD AND BRIDGE STANDARDS SHEET 5 +3F 8 REVISION DATE 2: 1 FILL SLOPE - TYKE 1 1007:05 07I32 VIRGINIA DEPARTMENT OF TRANSPORTATION N J 2016 ROAD & BRIDGE STANDARDS WV2 - Q spa. P I'-3" = R front face �„ 2" WV4 - U snu. III 6" = V' back face tAack WV S sna. 2 9" = 3 - k bo-ck f c_., I i + T! �_� - - - ------ - WF-ge - I- T3 BCS-DT FACE DF AIN WALL tftF- "x 6" FILLET •5 - HW1 ` L- 'CONSTRUCTION JOINT SECTION B-B PART PLAN ( ITH WINGS (WING REMO'VEG: tDGWNSTREAM END) "UPSTREAM ENDi N,VE)Ol- ROAD AND BRIDGE STANDARDS REVISION DATE SHEET 2 OF 2 07711 1002.02 BCW-2t Front ftice _ WN3 _Permeable drainage layer W11141 I wV-5er1B6 2%2'-4 H, �A 2t/x' 0 spa. Q 12" = P /A" : 12' batter far wrngs % - EE face T 0 r 4 wee hole fo mid P i wLh rs n rt t .n t a d tab 9 $ r}nr lr w r e ed qae 12" Aarfo rated 6' diameter n drainage i s co- heated PP 1Z to d a+^vQe outlet and I roddrna eye. Sea Note --- 3"-{ WH I 3' 3" r N L Iles. 7 10 3' J Wf G L_ 1z" END VIEW FRONT ELEVATION Z u A L4__ r_LM a WF6 - GC sae. 9 12" = HH b4+. n" WF I I I+YF I TO WF3 WFS TO YJF 1F� v I if V 3 1N'v 4 IFr-Jd spa. 9' WF5-EE 5pa. 12" WF3-CC Spa_ 0G„= KK 129"=FF 8 121,=DD top 3" tab top WFI - LL spa. TABLE A TABLE 13 TAF3LE C WF4-NN eq. spa. IN IxD• = MM Wall Bur P;n 7 = 00 6Tde Bull n y c cdbc n h t t Slice Le t P 'i P Size QSo. 9 Bi2a q1. 3 24 "' Ir / tx1 1'- 9" - „ - - - - - x X 1'-0'/z' #4 3" 4'/f' #5 2,_ 4„ - - - -- - - r-Cc I'-31fi' #5 3�''4' S" tt& 2'- 7" DQ-EE -9�z' #& 4'/p" fill WFS-NN ®q. sae. #7 S- 3" = 00 6fde � n #7 5'/a' 7" #8 4'- 2" 41/01col -NN eq. spa. tt6 E'" $'" sloe u- 5'- 4" FOOTING PLAN A COPY OF THE ORIGINAL SEALED AN0 SIGNED DRAWING AND DESIGN STATEMENT I$ ON FILE IN THE CENTRAL OFFICE. WING DETAIL ���� ROAD AND BRIDGE STAND AI�6`_-. 2 1 FILL SLOPE - TYPE I REVISION DATE SHEET 2 OF 8 VIRGINIA DEPARTMENT OF TRANSPORTATION 07116 1007.02 2016 ROAD & BRIDGE STANDARDS 2016 ROAD & BRIDGE STANDARDS 2016 ROAD & BRIDGE STANDARDS 2016 ROAD & BRIDGE STANDARDS 4YING WALL DIMENSIONS Na WEEP HOLES FOOTING BAR SPACINGS J K I 8? L I L 4A N I r;? WFI WF2 WF3 w A. wF _4 WF5 WF6 WF' LL MM AA eIQ cc PC NN 010 EE FF GG HH JJ KX A I'-6" A'-0• I'-E" I'-U. I'-O'' 7'-0• 4'-0• 3-01 - 3 2'-6' - - 6 6'-0. I 0'-8• - - 5 6'-01 - - 0 1,_511 A,-6. 1,_s" I'-0• '-Q.. 8'-a• 4'-P- .1I-C, - 3 a'-G• - - r 7s-0• 1 0'-9. - - 7 7'-0• - - C I' -fill 5'-G' I '-9" I '-O' 6'-O" 9'-0' 4'-@• 3'-G' - 3 2'-6' _. _ a 6'-0' 1 0' f3- - - B 8'-0• - - C I,_a„ 5'-5• 2'-0• 1'-0. I'-O" IO'-O" 4'-6' 3'-0' - 3 2'-6' _ _ 91 9'-0' 0'-13' - - 9 9'-O' - - E I'-S" 6'-01. Z. I'-D' 1'-D.. I I'-O" 4'-5' 3'-d' - 3 2'-6' - - 10 10'-O' 0'-13' - - IO IC'-O" - - F I'-&' 6 - " ?'- 0 I' (5' I - p" - 0' 4--E• 3 -t3' - 3 - 2" 13' - - I II'- Ll' - 0' S' - - I II'-O• - - 1-1 I'-fi' 7'-O' 2"-3' I '-01 -O" 13''-O' 5 -0• 6 -•a• - 3 2'-6' - - 2 12'-D' C� '-8• - - 12 12'-O' - - H I' fill T �_• 6 2'-3' I (} O" 4' 4" 5 E' 0 _ 3 a' S' _ _ 3 13' Q' 0' 8' - _ 13 13' O' _ _ I _ II I' 6 _O, _ 1I ,7 b I , I' _"II 4 _ 11 I w3 _'1 -'1 0 - r9 l _' t' O _ ' U I 0 _ ' 6 --1 6 I _ 1 f] - - J I' -fill B'-C' 2'-6ll I'-O' 1,-D.. 15'-O" E'-6 3'-@' - 3"-6' l :-@' '} 9'-0' O'-3'T 5-3 IS IS-L'- - K 1'-6.. J'-C' 2' 3LI I'-G' I.-O.. 17'-G" 6'-0. 3° 01 - 3 2'-6' L r-0' 10 IQ'-O• I O.-B. 7 5:'-3" 16 16'-O• - - L 11_t;11 13I_Eyr 21_911 I1�, 11_v11 ICI-011 5'-t-' 3°-01 - - l !°-a1' Ida 10'-3' I 0'-s' 5 6'-011 17 17'-(1' - - fd I'-5" 10'-0" 3'-0' I'-0' I'-O" 19'-4" 6'-6• 3'-fd• - 3 -7 2 2'-id' 1I II.-D. I 0'-F3' B 6'-0" IB IS'-17• - - N I.-GIII 6" 3' 16" I -01 O" IS.-C."5'-6• 3' 0• - 3 2 2' 0• II II -a. 0' 13. B 6 0" IB I8' 0' - - 0 I'-e I -0" I 3'-H' I '-0. I 0" 20J _O" 7'-0• 3'-Ia. I 3 -�' 2 2 -8' 12 12'-9• 0,_U. l; G -D" 19 19'-9' - - P' 1' 6 I I'-6' 3'-9" 1'-O' I'_0." 21'-4" a'-6' 3'-6• 1 3 2-e.• 3 3'-01 12 12' 0' 1 0' 13' 1110 7' 6' 2b 2G' O" - - O _ 1 6 _ 12 O 3 -9 _ 10 _ O _ 2cn O _ 7' 6 _ 3 f3 I 3 _ 2' w 3 _ 3@ 1 3 _ 13. E1 I _ O f3 I O 7,_ 6 2 1 _ 21 G _ _ I' S" 12' fi` tO I' O' I' O" x1_ „ 2.:, 4 _ L3 3' 6' I 3 3 3° 0' 10 10 0' I O' 6' 9 6' 9' t2 22' O' 8 O S I. -fill 13'-Q" 4S'-0' I' -fill -p" 24'-CD" Li'-6' 3' 6' 1 3 2'-6' 4 4°-S3' I I I'-0' 0'-Fi' 4 6'-9' 23 23'-0' & <'-D' T I'-5" 13'-61 4'-3" 1'-01• 1'-€ill 25'-O" 8'-91 3'-6' 2 3 2-6' a 4' 13' 12 12'-0' 1 13'-13• 9 6'-9' 24 24'-0• a A'-0• (1 - I C„ - 1A' O" A' 3" - I' G' - I' O" - 25 O" r1° - 0' - 3' fi' 2 3 - A'- 0 2 - 12' 0' I - O' &' - 6 9' 25 - 25' O' IO - 5' 4' V ' 11 I '-ta I 4'-6 1 4'-4i 11 1 I -i}-C} I 11 ?7 -C3 II - , u 6 - , 3' 6 ? � x -F,' 5 a r'- 1' I a r3 I 6 D'- 1 I 0 I 0'- 18 , I. ! 5}'- 9 11 a B 2E '-i} , I C, 5'-Ck r W I £. - IS 13 4'- " 5 - I C - I O 2A CY =@"'@ 3'-6 2 3 z -6' 5 - 5 ,3 I I - I I ❑ I - Q E 13� 9-9 27 27 O lu - � Ll Y P-9" 1`•'-6• 4'-9" I'-ly.. 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N ING f€VI WV2 WV3 WV4 f1Hl INH2 SIZE a LENGTH SIZE LENGTH 0 P O R S T U V W M x 2 FROM I TO VARY BY FROM TG VAP.Y Sy FROM I TO VARY BY A G 6'-0" 5 6'-3' - - - - - - 1 1'-311 4 4'-11' 2'-9' PI'-4Ya' P'-t0' 4' S' O`-4}' 4 4'-II" '-9' 0'-5%11 3 7 T'-0• 6 7'-6• - - - - 1 0'-61 1 1 `-31, 4 5'-5. 2'-9. 014/2" T­4" 4 -a• 0'-4/x' 4 5'-5" 7-7, Q'-5sfti,, C 8 8'-0 6 7"-6' - - - 1 I'-O" 1 I'-3" 4 5'-11• 3'-0" 0'-4%' 7'-IG' A`I I" 0'-4%' 4 5'-11" 3-2' 0'-5%" D 9 9'-01 7 B'-91 - - - - - - 2 2'-611 4 6'-111 T-3' 0'-4%' 8'-10' 5'-2' 0'-4 ' 4 6'-1? 3'-51 0'-G' E IQ I0'-O" a 110'-0• - - - Q'-9" 2 2'-16" 4 6' 11' 3`3' 1 0'-4 M' E'-IG' I b'-?' D'-43/gy" 4 6'-1 I' 3'-3' 1 0'-5ih, I° II I11-01, 9 11'-3' - - - -1 1'-3.' 2 2'-6" 4 7-5' 3`I- Q'-A'/f'" 9'-4- 5'-2• G'-4'%' 4 31-5" 3'-2' 1 G-5%-. 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Ei-g11 A COPY OF THE ORIGINAL SEALED AND SIGNED rF.AW1N'O IS ON FILE IN THE CENTRAL OFFICE '\le/( 0-7 S?E.IFICATION ROAD ANL: 13RIOGE STA\I).At-)' WING DETAILS aEFE dENCE SHEET 7 OF 9 REVISION C'ATE 2: 1 FILL SLOPE - TYKE 1 1007 07 07/12 VIRGINIA DEPARTMENT OF TRANSPORTATION FOR T'''PIC'AL SECTION, NOTES AND OTHER DETAILS, REFER TO STANDARD BCS-DT. P ca ? -" S � = , o f J �+- W ` ?W r: wr a' Vl J ©IIAN./LF HEADWALLS SPAN HGHT W, N Q W a: Lo 1z v 4'1 J z. d J r C] U [V] cx a _ 4t W Lj G J ,l .l n L- L, d m ['[ , J,_. 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A26 7 -1011 6 7.411 1.259 45.060 1.269 45.06D B 5 4 24.,176 13 G92 90.033 7 -1011 5 7_611 1.3a2 45,060 1.3G2 A5.OZO 0 5 5 25.688 O. 750 95, 374 71- I O" 6 7'-G" 1.444 45.060 1.455 45.0611 F 5 G 27.100 II.799 IOG,?54 7'-IO" 6 7'-G" 1.537 45.060 k547 45.II-6'D H 5 1 28.512 O.a18 123,095 T' -IO" 6 7'-6" 1,630 45..060 1.64E AS.U6C 6 4 27.616 0..a19 1 Ia BA B'-IO" 6 8'-6" 1437 51.668 1.451 5I,068 6 5 29.028 a 868 1 16.353 8' 101, 6 8'-fill 1.530 51.068 1.544 51.0(68 F 6 6 30,440 0.1116 129 740 B'-Ita" 6 B'-6" 1.623 51_06B 1.636 51.0613 H 6 7 31.852 Q,968 144, III 8'-IO" 6 a'-61, 1,715 51-068 1,729 5Lo6B J 6 8 33.264 1,045 15b..235 B' -IO" 6 8'-6" 1.609 51.068 I.B22 51XIDE L 7 4 30,956 a9S7 143.G21 9'-I0" 6 9'-6" 1.512 57.076 1.529 57.0'Tt D r 6 33.780 I.O64 161.BOT 9'-I0" 6 9'-6" 1.698 57.075 1.715 57.076 H 7 8 36.b04 1. 181 IB& GT2 9'-1011 6 9'-611 L883 57.076 1.900 57.076 L 7 IO 39.429 1.453 266.363 9'-14" 6 9'-F" 2.G32 57.076 2.II49 57.076 P B 4 34.296 1.206 159,065 1D'-10" 6 I0,-6" 1,590 b3,0B4 I , G I 1 63.084 E B 6. 37.120 1.318 176.6F3 I0` IO" 6 10'-Ell 1.713 63.064 1.794 63.084 1 B 8 39.`344 1.412 236.249 10 - 101, 6 13'-6" 1.9 -9 63.OB4 1,979 63.084 M B 10 42.768 1.690 29B, 216 10' f O" 6 10'-G" 2.107 F::S„Dlj4 2, 127 63,Oa4 f1 9 4 37,636 1.421 Ia6.129 11'-Ifl' b I I'-s" 1.642 89,092 ,s6G 69.092 E 9 6 40.460 1.519 197.639 11'-IG' 6 fill 1.826 63.092 851 69,f792 9 8 43.294 1.615 23C3.'T49 IP-IW 6 I I'-6" 2.1113 69.092 2.037 G9.092 M 9 10 46.1Oa 1.851 .336.193 11'-IQ' 6 11'-6" 2.152 59.092 2.185 6.9,092 0 9 12 48.932 2,201 425,353 11'-I O' G 11' -6" 2.272 69.092 2.224 69.092 i1 10 4 40.976 1.521 231.7AG 12'-ID' 6 1 1Z'-6'" 1.691 15.IOD 13 IS I 75.IOO E 10 6 43-800 1.73E 2-K 494 12'-10' 6 2'-f" 1.87'2 75.1DO 1.899 75.100 1 10 B 46.624 1.84E 296. 7-73 12'-1 D' 6 1 2'-f," 2.054 75.1 00 ?.GB I 75.101) M 10 10 49.448 Z 091 395.781 2 -10' E 12'-6" 2.194 75.I OG 2.221 75.100 11 10 12 52.2r2 2.461 4a 231 12'-10• 6 12'-6" 2.236 75,1OC 2.262 75.100 tJ 12 6 50.480 2,Z27 324,329 14'-1O' 6 14'-6" 1.953 87.116 1.9a7 87.116 J 12 8 53.3D4 ?.321 5E,451 14'-ID' 6 14'-G" 2.138 97.1IG 2.172 87.116 N I? 10' 56.IZB 2-:.23 431-964' 14'-III1 6 14'-6" 2.287 B7.116 2.320 87.116 R 12 12 58.952 1 2.942 1 534,328 1 14'- I D' I IS 1 W-6" 1 2.327 1 B7.1 16 1 2.359 1 87.116 'J BCS-4O A COPY OF THE ORIGINAL SEALED AND SIGNED DRAIi1NG IS ON FILE IN THE CENTRAL OFFICE SPECIFICATION \1h/ SOT REFEREN7CE SINGLE E30X CULVERTS ROAD AND BRIDGE STANDARD`_: 30 TO 40 FT. FILLS REVISION DATE SHEET 2 OF 2 VIRGINIA DEPARTMENT OF TRANSPORTATION 07,111 1002 14 WF I WF2 WF3 WING SIZE c LENGTH , Ea S17E a LENGTH Ed SIZE o LENGTH FROM TO VARY BY FRONT TO VARY BY FROM TO VARY FROM TQ VARY BY A 4 6'-5' P-9" 2 4 P-2' B'-2' - 2"-6' '11 -6' - 2 A 3'-5' 2'-G' }F�Y 0'-.1J%a, 4'-9, 3'-31' 0'-'34• a 4 7'-5- 8'-9" 2 C e•-5' 9'-5. - 2'-a' 101-9" - 2 4 3'-5' 2'-6' 0`I�' 4'-9' 3'-'I• :t C 4 8'-5' 9'-9" 2 4 1. 10, 10'-8• - 3"-V' 12'-0" - 2 4 3`-5' 2-9' 0'-1� 4'-9' 3 -:I• v -: ' Q 1 4 9'-5' IO'-9' 2 4 4"-5• 4'-5' - 5'-9' 5'-9• - 2 4 3'-tl' 2'-6' 0`IN' 5'-3' 3'-!1.' 0'-13,4' E 4 10' 5• 1 1'-9' 2 4 4'-11' 4' tl' - 6'-3' G'-3' - 2 4 3'-11• 2'-G' 0'-I%' 13'- 3' 3' tl' 2l-_%' F 4 I S' 5' - I c' 9' 2 4 5' S' S' a' 6 - 9' - 6' '� �` Z 4 3'-11' 2" 6' @' 1 fl. b' 3 3' 71' @ /'r A ] a z 13' 9' 2 a T - �• T 6' - B'-11' - k3 ` 11' - 2 Is 4 - `' � 2'-£' 0'-1 - S' 9 � ' tl' @ e H 4 13' 5' _ 1 4' 9' 2 4i _ &' l' B 7, - 9' _ 6' 9' f' _ 2 4 _ , 4' S 2' - (i' -1 0 �' 5' 9 _ 3 ! 1 ' i O ° 3Ri' I 4 i4 5' _ I5', 9 2 _ n ' t 9 .13' .I" 6' @' 1!' 3' 5' 3' G` 0' 2 4 4' @' 2' G' 0' 2' S 4' 3' 10' 0' 2' W 4 15 5' Ifi' 9' 2 4 10 '-l' 4' d' 6' 4- Srs 11` I]' S ° T 6 '-4 '/ell Z 4 3'- I1 2° 6' _ 7 0' 1 fe 5' 3' 3' Stl' @ _, �" A A 0 -5' 17'-4' 2 4 12'-21 3' 61 5'-8' 13' 61 7`-10" 5'-81 2 A 4'-3' 2'-6' O'-2l/4' 5'-8' 3 =1' 0"-21i4' L A I P­.,' I W-9' 2 4 12--1l' 6°-'1" fill-B' 1A`3' 8'-3' 6'-01 % 4 4'-31 2"-7' 01-2' 5'-7' 3` 2' 0'-21 M 4 13 � 19' 9' 2 r 14 � �' r i, u 5 :8 15' 8' 4" 10' 5, v 5 fa Z 4. 4 7 2 _ 1 0' 2 1'6 5 11 ". 3 1 0 2 1.' N 4 ]8' `3' 9' 9 ? 4 ] 4 4 3 - 5 h' `� ]5' 8 4' - 1."1' 5 5 t , 2 @ 4 7 2 i' 0' 2 ila 5 -11 3 il' f3 2 ' D 4 19 -5' 2:7 -9' 2 4 15'-B' 5 8' -01 17­2- 7'-0• 5 0• 2 4 5 - W 2'-7' 0'-2)fi P.'- 41 1 3 11' 0 2,%' P 4 201-5' 21 -9' 7 4 19'-1" 3'-4' 5'-3' 20-5' 4'-8' - �'-3' 2 4 5'-3' 3' 0' 19' 29.' 6'-8' 4'-4• 0'-i 3(1' a 4 2V-5' 22'-9' 2 4 20`O' 3'-6' 5°-6• 21'-5' 4'-11' S'-S• 2 4 5'-4' 3'-0' 0'-2 G. 4' 4 V, -2}�' R 4 27'-5" 73'-9' 2 4 fl'-1" 'S•-9..' S'-l� 22'-fi' 7'-2' '-_+ 2 r 4`-1F 3"-@' W-2I2• 6'-4• 4'-A' L"-2t/z' S 4 23'-S' 24'-9' 2 4 22'-2• 3'-0' 4'-9 ' 23'-7' 4'-4• 4' %J' 2 r. 5°-4' 3"-0' 0'-2%- £'-8' 4'-4• 0'-2%' T 4 24'-5" 25'-9' 2 4 23'-2' 3'-2- 5' 31 `Z4'-6' d'-Fi' 5'-0' 2 f 5'-4' 3' i]' W-2VV f" 9' 4'-4' V1`21%z' U 4 25 a' - 26' f3' 2 4 - 24' 2 - 5' 3' - '� d' 0 25'-7' - 6' 8' 4._ , & 3�r 2 4 - 5' 6' - 3' @' 0'-2 • - ' .' :1 5 4 -4' - 0' 2 ' Y 4 - 7' 9` 4 - '-9` 4' - 25' 9 - ' 4'- ' a' fs' 4 _ , 2 - � - 7' - 4 4' 0" 2 ,. - W 4 27 -5" 28'-9' 2 4 26'-4 4'-9' 4'-3X' 27'-8' 6'-2• 4' 1:$ 'j:' 2 4 5'-6' 3' 0' 0'-23.• S'-t1" 4'-4- 0'-2A" X 4 28' S" 3D'-3' 2 5 Z6' t3' S'-3' 4`-1 27'-9' 7'-i' A' -'.fill s 5 6`-2' 3' S' Q'-3' 8'-0' S' 4' 0'-3' Y I 4 1 29-5" 31'-9' 2 5 29'-1' 5'-11 4'-0' 31-4- 4'-8• 4­4- 2' 5 G'-6' 1 4'-0' 0'-3' W-10' 1 6.'-4' 0'-3•- Z 4 30-5• 32'-9, 2 5 30­0 2'-:I.' 3'-101/2' 32- 5' 5'-3' 3-I@ r' 2 5 6'-7• 4' 2- 8'-314' 8'-kl" 6'-4' 0'-31�" AA 4 3]'-5' 33'-9' 2 5 3t'-1' d'-9' 3' 9/g 33'-5' 7'-0' _ 1 , 3' 9/s 2' S 6'-1!' 4"-0' 0'-3,1' 9'-3' S'-4• _ t n 0' 3 69 4 32'-5' 34'-3' 2 5 32'-i11 4'-41 3'-5%1 34'-5' 9`-7' 3'-5%' 2 5 7'-5' 4`-0' 0'-3y�' 9'-9' G'-4' O'-311" CC 4 33'-5' 35'-9' 2 5 33'-1" 2'-6' 3'-4% 35'-5' 4`-1w 3`-43A' 2 5 7'-10' 4'-H' 0'-3,Y' L2'-2' 5'-4• O'-3if2" DO 5 34'- ' � 371-8' 2 5 - 3z' 11' a .l - �- s' 3G'-3' - a' �' 3'-S' z S 7'- tl 4'- ' s 4'-3/' a -_1' 7 . t� _, I I � 3 EE 5 35'-5• 3B'-a- 2 5 33'-IV 3`-1' 3'-%' 3T"-3' 6'-5• 3'-51/a' 2 5 B'-01 4'-6' ®'-31/;' Sl -4" I 7' 1O' 0'-3?f" 2016 ROAD & BRIDGE STANDARDS BCW-21 WV3 WV4 WHI WH2 WH3 DING SIZE a LENC,TH SIZE LENGTH SITE LENGTH • Ea SIZE LEN GTH 511E LENGTH FROM TO VARY BY FROM TO 'VARY BY FROM r TG VARY 8r FROM TG VARY Br FROM TG VARY BY • EA A - - - - - - - - - - - - - _ 4 W-G' 2 4 W-6 2'-7- 3"-41fa 2 4 G'-I 11, R - - - - - - - - - - - - - 4 7'-6' 2 4 5'-9' 2'-511 3'-2'1a' 2 4 8'-I' C - - - - - - - - - - - - - _ 4 8'-6• ? A 6'-O" 2' 7' 3'-41/4• 2 4 9'-I' O I _ - - - - - - - _ _ _ _ _ _ 4 9'-6• 2 4 9'-I' 2'-611 3'-31j41 2 4 101- 11 E - - - - - - - - I - - - - - _ 4 ID'-6' 1 2 4 4'-4' 7'-7. 3'-4/g 2 4 I I' - I' F - - - - - - - - - - - - - 4 11'-6' 2. 4 9'-1' Z'-6" 3'-3'fe' 2 4 12'-11' G G _ _ _ _ _ _ _. _. _ _. _. _ 4 _ l2' 6' 2 A 9 '-4' 2 '-T 3 -4 /A 2 d - 13 '-4' H - - - - - - - - - - _ 4 13'-6' 2 4 12'-4' 21 611 3 31/s' 2 4 14' 41 1 4 8'-11' r'-3• D'-31/4' IO' 10' 9'-2' 0'-3,/'4' - _ 4 14'-6' 2 4 12'-V 2'-7' 3'-4'/5• 2 4 15._^• J 4 9'-5• 7'-5• G'-3%' 11' 4" 9'-4• 0'-3%" - - - - - - _ 4 I5'-6' 2 A 12'-4' 2'-6" 3.'-3%- 2 I 4 I 16' &- K 5 9'-I I' B'-C)" O'-31A, 11'-l0' 9'-I I" 0'-31/A" - - - - _ 4 f6'-6' 2 A IG"-fill 2'-7' 3'-4'/g 2 4 IY'-6' L 5 Iq'-5' a'-2' i]'-,31/`y' Id'_4" lO'-I" 0'-33%s" - - - - - - -0 I7'-6' 2 4 15'-13• 2'-" 3'-3'/2• 2 4 Ifl'-9' fV 6 IG' I' I 6 a' _. 0' 3 lA 12 II' _ IG' 9' _ C n G 3. /A _ _ _ _ _ _ 4 _ Ia' 6' 2 _ 16' G' 2 7. _ V 3 4 f B 2 4 I 9 9' N 6 I I'-5 _ 9 '2' 0'-3 1 a 13 5 L I'-3' 0'-3 1 4' / _. _ _ _ _ _ _ d - 1.8' G' 2 4 - 16' (]' 2 T 3 '-4 1 f s 2 4 19'-9' 0 6 I I' -I I' 9'-6' O'-31%y' 13 I I'" 1 I'-B' D'-3 - - - - - - 4 19'-6' 2 4 19'-0' ?.' fill 3'-3%' 2 4 20'-9" P b 12'-5" 9`11' 0'-3'/4' 14`-5" 1 1 `8' O'll/4" - - - - - - _ 4 20'-6" 2 4 19'-3• 2'-7' 3'-4'/E 2 4 2I` I I' 3 T 12' II' 14 I" '-9 0 3 %a 15 0' 12'-3' G'-3 3/ � - - - - - - - 21' 6' 2 A 19' 0" 2' fill 3' 3 '/ a 2 23 0" R 6 I I' a 9 2' G 1 f4 I3' 8' I I' 2' 0'-3° „ /A 6 13'-5" I I I I' O 2 1/.,, /$ I5'-5' 14 G" , , 0 2 /s 4 22' G' 2 A 19'-3' 2 , I'1 3 4 fa 2 4 2- 0" 4 5 o r'- I 7 3 .i 1% 4' 12 II ' T 9 # o'- ' " fs G _ - 12`a' O'2 I /A 15•• I I d'- ' 14 0'z I /4 d 2. 6 2 4 - ?2'S' .' T 2 3'3 % 2 4 - 2'S`*c' T 6 12' 8' IQ 2" . D'_3I/4 14' 8' 12' 2' 1 G'_ 3fA' 6 I 5 12 II' _ u G' 2/s 16.'-5' IS' 0" _ 0' 24g 2A' 6' 2 A 22' a' 2 3 /e. 2 28'-2" U 7 12'-9" 10'-3" 0'-3%' 14'-IG' 12'-4' Q'-33/8' 7 14'-I I- 13'-O" O'-21/4" 17'-G' 15'-2' 3,-21/4' 4 25'-6' 2 4 22'-5' 2'-7' 3'-3'4/6' 2 4 27'-3' V 7 31- ' 13 9' 8 q 3 fA - I a'-5' I I '-9' 0'-3 „ /4 7 15 '-5" I 3' 711 D ? „ /Id I 6 1 5' E' O i ./8 4 2 6' 6' 2 4 fi' 2 Q 2 3' 4' f& 2 4 2 8'-3' W 7 13'-91, IQ' -I" 0'-33/s' 15 1O' 12'-2- 0'-37/a' 7 15'-1I' 14 0 O'-2'fA" 18'-0' 16'-2' O`2'I/e' 4 27'-6• 2 4 251-9' 2'-6.., 3'-3y4' 1 2 4 29'-5' X 7 - I4' 2 10' fill - 0' 3 A IG 3" - 12' 8' 'G'-3 7 - 16' B" 4' I 5" G' 2 9 - I&' 9' 16 '-T O' 2 H 4 - 2a' 6' 4 - 26' G' 2 '-T 3 4 A 2 4 - 3O' S" Y 7 15'-3' 10'-6" 0'-3jA1 17-4" I2'-71 O'-3%l 7 17'-5" 15 b" 0'-21/4" 19'-GI IT-B' 0'-2114' 4 29'-6' 2 4 29'-O" 2'-71 3'-34'4' 2 4 31'-fill I T 15'-51, 10'-5" 0'-31/1' 1 V-6" 12`9' 0'-3%+' 7 17'-1 I' 15" 3" 0'-21fs' 20'-O' 1'II-I:)" 0'-2/a' 4 30'-6" 2 A 291-3' 2'-7. 3'-4'/a• 2 4 521-1. AA 7 IS'-1 I' I I— I' 6'-3%' 18`O' 13'-2' 0'-3%" 7 18'-5" 16'-2" G'-2'/4" 20'-6" 18'-3' 10'-2'/4' 4 31'-6• 2 4 29'-G" 2'-7' 3'-33fA' 2 4 33'-7' 36 B c'-5' I I'-8' 0'-3'./4' IS'-711 13'-1911 0'-31/:' B 1E'-I I" IG'-8" ' ' O-2/lt" 21-I ' ' ' Ia-I I" 0'-21/s' 4 32-G ' ' 2 4 29-3 ' ' 2'-7' 3'-A1/a' 2 4 34'-7' 2c: B 16'-I I' 121-I' DI-53AI 191_I1, 141-41 q1_3%11 8 19'-5" 7'-2" O'-?'/4" 71'-P 19'-4' LP-2'/4' 4 33'-6' 2 4 32'-4' 7'-7' 3'-3'a 2 4 35'-IO" DID B 17'-2i1 12'-5' O'-3'/A' 13' 4" 14' T 0'-3'/A" B 2G` 1' 17' S" G'-2'f5' F2' T 19' 6' 0' 2'fs' 4 34'-6' 2 4 32'-T 2' 8' 3'-4" $ 4 36'-10'' EE B 17'-3" 12'-6" 0'-33/a' 19' 5" 1 4'-11' 1 0'-3%'I I 9 1 20'-I1" 17'-6" 1 0'-21/A" 23'-4• 20' O'-21/4' I 4 6 35'-' 1 1 1 4 32'-4' 2'-T' A COPY OF THE ORIGINAL SEALED {SAND SIGNED DRAWING IS ON FILE IN THE CENTRAL OFFICE SRE::EREN E yyIN�7 a'ETAILS XV00T REFERENCE ROAD AND BRIDGE STANDARDS 2: 1 FILL SLOPE - TYPE I REVISION DATE SHEET 8 OF 8 VIRGINIA DEPARTMENT OF T'RANSPiDRTATICN 07I12 1007.68 .In W �� �__ o SCOTT R. LLINS''_ � Lic. No. 035791,E '�.'S""ONAL 12/20�SE1G��� Ln Z LIB W 2: 2: � 0 0 U z }} O � Z Z Q � Q U � (T CID -4 N ZLn 00 0 (n N O - N O Q r1C II.- '-' W W i--i �- Z f1 Z LjZ a 13- 0 0 W W >~ W W 0S 'n 'n o ,-I .H W \ \ M N 0 A N \ ,--I . 4 M z (3)TT i L i I*-- MMCl? ? VJ N I 2: C) /�� M N N 1 W J I > J li V i Q I- (D ui ui - LD o T-iiiiiiiiii C) Q. %.. LL _ � w U J I U) D �e �z , W X � U o [n D Lfi - U) co - W LI J I..L - v ' I- 1-_11 LI- LO N LQ. < V O C) 0 C:) O N W U co J I- � WW _ 0 W Of = d I (n JOB NO. 182150 SCALE NONE SHEET NO. 16 PRE-ANDI,POST-DEVELOPMENT SUBAREA AND OUTFALL SUMMARIES STORMWATER MANAGEMENT NARRATIVE: WATERSHED SUMMARY FOR SUBAREA 1 Post -Development Impervious Area Summary OVERVIEW Subarea 1 ��H 0 THIS PROJECT IS PART OF THE BROOKHILL DEVELOPMENT, AND STORMWATER Area, 1-year Flow, 2-year Flow, 10-year Flow, CN Roads &Sidewalks 45,825 sf Pre-Dev. Subarea Post-Dev. Subarea Method of 9VAC25-870-66 Method of 9VAC25-870-66 Method of 9VAC25-870-66 Method of 9VAC25-870-66 TREATMENT IS PROVIDED TO MITIGATE THE IMPACTS FROM THE PROPOSED ac. cfs cfs cfs Point of nterest Point of Interest Channel Protection Compliance Limits of Analysis for Channel Protection Flood Protection ComplianceAnalysis for Flood Protection IMPROVEMENTS. THIS STORMWATER MANAGEMENT PLAN COMPLIES WITH PART IIB Existing Impervious Areas 19,275 sf ( ) ( ) p y Limits of SWM REQUIREMENTS. DA 1 (Pre-Dev.) 60 5.93 1.66 3.58 11.95 65 100 sf 1 1 Section B.3.a (Energy Balance) N/A (Energy Balance Satisified) Section C.2.b (10-yr. Post Flow < Pre Flow) N/A (10-yr. Post Flow < Pre Flow Satisified) 2 2 Section B.1.a (2-yr Peak Flow is nonerosive in Pipes and OP) Section B.4.a (Subarea < 1% of Overall Watershed) Section C.2.a (10-yr Peak Flow is Confined within pipes and outfall channel) Section C.3.c (Outfalls to mapped Floodplain) 3 3 Section B.3.a (Energy Balance) N/A (Energy Balance Satisified) Section C.2.b (10-yr. Post Flow < Pre Flow) N/A (10-yr. Post Flow < Pre Flow Satisified) DA 1 (Post-Dev.) 1 88 2.05 0.23 2.19 9.01 0 SCOTT R. LLINS WATER QUALITY SUMMARY Subarea 2 � LIC. No. 035'791 THE STORMWATER QUALITY REQUIREMENTS FOR THIS DEVELOPMENT ARE MET Roads & Sidewalks 63,000 sf THROUGH MULTIPLE BEST MANAGEMENT PRACTICES. THE BEST MANAGEMENT d WATERSHED SUMMARY FOR SUBAREA 2 3/12/20 p q Pre -Development Impervious Area Summary PRACTICE OF PRESERVING OPEN SPACES IS IMPLEMENTED. A RECORDED EASEMENT Buildings &Patios/Decks 39,330 sf o Total Phosphorous Removal Required for Blocks 9-11 13.92 Ibs/yr CN Driveways 19,800 sf sI E� � p p Y WILL BE PROVIDED PROTECTING THESE AREAS FROM DISTURBANCES. AFTER THE Area, 1-year Flow, 2-year Flow, 10-year Flow, Phosphorous Removal Achieved from the Level II Wet Pond BMP 5.87 Ibs/yr Subarea 1 APPLICATION OF THIS BMP, A MINIMUM PHOSPHOROUS REMOVAL RATE OF 10.05 ONAL Ibs/yr IS REQUIRED. A LEVEL II WET POND TREATS SUBAREA 3 AND REMOVES 5.87 ac. cfs cfs cfs 122,130 sf \ Phosphorous Removal Achieved from the BMP of the SWM Forest &Open Space Easements 3.87 Ibs/yr � \ Existing Impervious Areas 19,275 sf Ibs/yr OF PHOSPHOROUS. ALSO A 2.08 Ibs/yr PHOSPHOROUS CREDIT FOR THE WET DA 2 (Pre-Dev.) 57 5.27 0.80 2.25 8.90 Phosphorous Removal Credit from immidately adjacent Wet Pond B (Amendment #2 to WP0201700037) 2.08 Ibs/yr POND B (WPO 201700037 AMENDMENT #2) LOCATED IMMEDIATELY ADJACENT TO DA 2 (Post-Dev.) 80 5.59 10.14 14.48 27.80 Subarea 3 Remaining Phosphorous Removal Required to be Purchased 2.10 Ibs/yr \ BLOCK 11 IS APPLIED. AFTER THE IMPLEMENTATION OF THESE BMPs, THE DEVELOPER Roads & Sidewalks 61,800 sf \ WILL PURCHASE NUTRIENT CREDITS FOR THE REMAINING PHOSPHOROUS BALANCE. A Buildings & Patios/Decks 39,900 sf SWM FOREST &OPEN SPACE EASEMENT NOTES: /� / / MINIMUM PHOSPHOROUS REMOVAL RATE PURCHASE OF 2.10 Ibs/yr IS REQUIRED WATERSHED SUMMARY FOR SUBAREA 3 i. NUTRIENT CREDITS WILL BE REQUIRED TO BE PURCHASED FOR THIS DEVELOPMENT PRIOR / 4 (10.05- [5.87+2.08]). Driveways 18,450 sf TO THE ISSUANCE OF A LAND DISTURBANCE PERMIT.'SWM' IS AN ACRONYM FOR 1-year Flow, 2- 10-year Flow, 120,150 sf _ _ _ � / i \ / WATER QUANTITY SUMMARY CN Area, y year Flow, STORMWATER MANAGEMENT. � A � � / � � z. THE SWM FOREST AND OPEN SPACE EASEMENT IS SUBJECT TO THE GUIDANCE SET FORTH THE PROPOSED DEVELOPMENT HAS THREE CONCENTRATED OUTFALLS. ALL THREE OF ac. cfs cfs cfs Uncaptured Overland Runoff BY DEQ IN THE VIRGINIA STORMWATER MANAGEMENT PROGRAM. THE AREAS WILL REMAIN / / j THESE OUTFALLS MEET MINIMUM CHANNEL AND FLOOD PROTECTION REQUIREMENTS UNDISTURBED IN A NATURAL, VEGETATED STATE EXCEPT FOR ACTIVITIES AS APPROVED BY / \ / \ DA 3 (Pre-Dev.) 57 3.99 0.58 1.66 6.62 Buildings & Patios/Decks 17,670 sf Ln SET FORTH IN 9 VAC 25-870-66. SUBAREA 1 RECEIVES ATTENUATION VIA AN cn THE LOCAL PROGRAM AUTHORITY, SUCH AS FOREST MANAGEMENT, CONTROL OF INVASIVE /' / / \ / i / UNDERGROUND DETENTION SYSTEM. SUBAREA 2 ADEQUATELY CONVEYS ITS RUNOFF DA 3 (Post-Dev.) 74 7.55 0.12 0.60 4.16 Recreational Amenities 7,150 sf z z Lu SPECIES, REPLANTING AND REVEGETATING, PASSIVE RECREATION (e.g. TRAILS), AND / / /�� THROUGH MANMADE PIPES AND A RIPRAP LINED CHANNEL AND OUTLET PROTECTION J24,820 sf W LIMITED BUSH HOGGING TO MAINTAIN DESIRED VEGETATIVE COMMUNITY (BUT NO MORE r / \ /� �/ \ \ TO A MAPPED FLOODPLAIN WHERE THE SITE'S SUBAREA IS LESS THAN OR EQUAL TO O O THAN FOUR TIMES A YEAR). / / / \ \ 1% OF THE RECEIVING CHANNEL's TOTAL WATERSHED, AND SUBAREA 3 RECEIVES / /, \ /' U 3. THE PROPOSED ESC LIMITS OF DISTURBANCE BOUNDARY (18.85 ac.) +THE PROPOSED \ / / y \ ATTENUATION VIA A LEVEL II WET POND. PLEASE SEE THE SUMMARIES ON THIS / ` \C / \ U SWM FOREST & OPEN SPACE EASEMENTS' BOUNDARY (11.34 ac.) ARE USED TO DEFINE ,/ / / / \ SHEET AND THE ATTACHED CALCULATIONS PACKET FOR ADDITIONAL DETAILS. THE VRRM WATER QUALITY BOUNDARY 30.19 ac. � \ � � � r _- / Overall Acreage Summary ;! - - \ /� �/� °� " 1711 /I _ Pre -Development Post -Development Area, ac. Area, ac. DA 1 5.93 2.05 DA 2 5.27 5.59 DA 3 3.99 1 7.55 / - --� - -_ 0 PROPOSED \ � m � CONCENTRATED /� - -- -- --- 00 Ln00 --- / OUTFALL #3 z Q N f TO POI #3) cl IUi N > Ln LU 15.19 15.19-- _ l l 3 Lu ��\t�, POI #3 - - � POI # 3 - �` / � � -- / � r - I - / uj L, > W all WM FACILI - ce & ACCES /// ��/ ♦♦♦■♦1♦♦ I �l� / Z/. / �l ♦♦ EASEMEN , r / // ♦ ♦ / �// / -' i ( I ( / 00' OF OVERLAND FLOW // ♦ ■ .�, , _�/ / / 90' OF OVERLAND FLOW / w/ A ELEV.=6' & / ♦ ■ �j' - / _ _ w/ A ELEV.=8', 275' OF CONC. FLOW w/ // �� • ■ \� / / 75' OF CONC. FLOW w/ /�/ / / A EEEV.-50' / -■ � . A �.y 1 V /�/ A ELEV.=18' & / / / `� _ -� -� / co rn o / • i / / e / UJ - / 625' OF CHANNEL FLOW 1 oo' of OVERLAND Flow � , ♦ / • __ � - � . " w/ A ELEV.=6' & ♦ PRE-DEV. ♦ \ j / / ■ I \ V` _ . 290' OF CONC. FLOW w� ♦ ♦ \ ;�; �� V / // /� / SUBAREA 3 ♦ � � �. / �/ ■ ��/� /. A ELEV.46 � - - / CN=57 ofLu / / / ♦♦♦ Tc=0.16 hrs. ♦♦ V A "` •l l r ♦ ♦1 ♦♦, +� I� I ,' ♦ i V", ��, 40 OVERLAND FLOW � ♦♦ \ �� ♦ ♦ , OF ERLA M ♦ �� v / / / ♦ /� i� �♦ v w/ A ELEv � & J ♦ �� �1 V _ _ • a , FLOW �/ / i I I I / N // � //' ; �� ♦ i �� �' \ �� - � /% / // �� � � ��♦ ♦♦ A600' OF CHANNEL � #♦ A ■ SUBAREA of � ♦♦■� `� ■■ ♦ \ I �. I l/ ,` Jf1 Tc=0.12 hrs. n ■ � A 5 / // ♦ / AREAS PROPOSED TO BE DEVELOPED ARE ■ ♦ 1 / // ` / (/ ♦ �, ; I \ \ ANALYZED FOR STORMWATER QUANTITY ■ ♦ � \ / � � �� _ - ,/, ♦ >�--- I �_ \ N ♦ / COMPLIANCE ON AN OUTLET BY OUTLET At ���■ � A ♦ IN BASIS. THE DEVELOPED AREAS, WHICH ■ / / \ '' „I ♦�` V♦ . A '� Q ♦40 ARE AREAS APPROXIMATELY UPLAND OF \ \ // / ` - �� \ \ `. •,` \ / ♦ THE GREENWAY, ESTABLISH THE ♦ �-� DRAINAGE DIVIDES. ■ � ■ � � V � / / // ;�� ( / �. ♦ � i -�, '■ �_ - � ---- • � \ I 1 \ \ �\ � V LL.I T� / / / , ■ ■ \ yv A / / / �, J \ \ / - • _ �� �■♦♦♦ PRE-DEV.06 ■ V �, / / ♦■■ �> ■ \ z " ♦ SUBAREA 1 I - %l ♦1♦ 5.93 ac. ■ \ / �� -1 U� _ ♦ V 1 qUJ ♦ CN=60 • • I / A\ yam- -- I �� i � ,._ ♦•♦♦♦ Tc=0.16 hrs. It / � � � � \ � / i � � ♦ � � ♦ i W \ - _ - I- W ♦♦ ♦ • ■ � � � - 45' OF OVERLAND FLOW �� \ I�/ � / ♦: • ■ ♦�♦ \ \ // \ - w/ A ELEV.=8' & - S♦ \\ , " \ \ / % i ♦� �LO ♦ / v\ • - - ♦ \ /� 55' OF CONC. FLOW w/ i _ ILu _J �\ ■� ♦ i 10\QE OVERLAND W ♦♦ A . _���A ELEV.=2' �♦ _ A � \ \ \ _ • Z � v ■ - �/ A ELEv.6 � �� A A � 40 H9v�NEL OF �cFLow • / \ - ■ �Iti■■■�■■■■■■■ *♦ 375' OF CONC. FLOW w/ ♦ V A�_ �' \ -� A = - „� \ -,�. - \ Q \ ■ ♦ A ELEV.=40 ♦ 1 \ �. ♦'. � 5 Z ♦ ♦ ) - PROPOSED SWM FOREST & OPEN SPACE :w � ■ ■ ♦ ♦ � ♦ � �� � � � � � PROPOSED SWM FOREST &OPEN SPACE \ �� ■ ♦♦'i EASEMENT, TYPICAL THE TOTAL ACREAGE \ / ■ SUBAREA2 l 'i EASEMENT, TYPICAL. THE TOTAL ACREAGE 10 OF THESE EASEMENTS (11.34 ac.) IS 5.59 ac. �! � OF THESE EASEMENTS (11.34 ac.) IS OUTSIDE THE PROPOSED LIMITS OF n _ \ �■-- ♦ ♦ I \ � ! � PROPOSED CN=80 ) j /` \ OUTSIDE THE PROPOSED LIMITS OF Nv000 i ♦♦ DISTURBANCE. SEE 'SWM FOREST &OPEN \ CONCENTRATED �� �. Tc=0.11 hrs. ; �� / DISTURBANCE. SEE 'SWM FOREST &OPEN Q OUTFALL #1 ♦ `.'.� i' SPACE EASEMENT NOTES ON THIS SHEET. W ♦ PRE-DEV. � SPACE EASEMENT NOTES ON THIS SHEET. _ �A , �♦ SUBAREA 2 ♦ ��V A ( TO POI #1)�.,,♦ �� ■ ■ ♦ 5.27 ac. I PROPOSED CULVERT. ♦. I ` - - ■ ■ ,=.,`l CN-57 ♦ ` r'_ f' CULVERT DRAINAGE N = \ '''_ - �, ■ ♦ AREA=60.5 ac. SUBAREA 1� - ■ ■ I Tc=0.16 hrs. ♦ PROPOSED ESC LIMITS OF �\- PROPOSED ESC LIMITS OF VJ F • • -_i, DISTURBANCE BOUNDARY,, , - \ DISTURBANCE BOUNDARY, 11NPOI #1 ; ♦ ♦ Ul TYPICAL. THE TOTAL LIMITS OF ,-, CN=88 POI #1 ♦ \ i � `� � � vim" \ TYPICAL. THE TOTAL LIMITS OF O /`\ • : / •♦ ♦ DISTURBANCE ACREAGE IS ` Tc=0.10 hrs. 1 (; - 1. . n: % \ DISTURBANCE ACREAGE IS \ \ WED _ AREA TREATED.. UNDER \ � ♦ 18.85 ac. SEE 'SWM FOREST & � AREA TREATED UNDER : , �l � \ � ♦ 18.85 ac. SEE 'SWM FOREST & - WPO 201800051 VIA ,, • OPEN SPACE EASEMENT NOTES' WPO 201800051 VIA " / ♦��. OPEN SPACE EASEMENT NOTES' W Ln 1 Z POND 4B I i ♦ ♦♦ \ I ♦ A A ♦ ♦ ON THIS SHEET.'' POND 4B I \�� ♦♦ ON THIS SHEET. fi 1 - 1 - �,�, , ,, �, III ;-♦ � \ - �� • � � � � � � _/ A �, / N i � _ � _ ♦ a � 1 � � � � - JJ� LIMITS OF FEMA % ♦ ♦ ♦ GREENWAY, TYP. ♦ ♦ I a `, ♦�♦ / ♦ GREENWAY, TYP. C I / \ APPROVED 1< 0 00-YR I FLOODPLAIN C:) 0O v _ ♦ ■ o v PROPOSED l //,� ♦♦ _ r;�- ♦ �� CONCENTRATEDI ` / �_ - \ \ w �, �,'�/, ♦ - �� �� OUTFALL #2 \ W A(TO POI #2) c J �� , �� ♦\i - - w 44 LLJ go L.0 00 JOB NO. • ■��♦41 I \ 00•' / �w ' PROPOSED SLOPED VDOT CLASS II RIPRAP LINED General Construction notes for Stormwater Mana ement Plans �� - 9 _ V � �� / � � � �\ � � � ��, / �` � CHANNEL w/ GEOTEXTILE FILTER FABRIC RIPRAP � ( 1 821 50 1 fill in i r ��� l �� - ' -�� � . / 0� All dams and constructed II t0 be with 95% Of maximum dry � i � / � --_ A 0 o - . , _ - UNDERLAYMENT. FABRIC TO BE KEYED INTO EX. , o density and 2% of optimum moisture content. All fill material to - \� 0 - \ SWALE w GROUND 9" MIN. AT ENDS &ALONG PERIMETER. be approved by a geotechnical engineer. A geotechnical engineer is �, 0 t�scace 0 ��� 0 SCALE -- 0 0 �/ - '4 �.y w� v 0 0 0 to be present during construction of dams. \ � �u 0 =yam o A ��� 1 n_ 20' 2. Pipe and riser joints are to be watertight within stormwater o 0 \ o management facilities. \ �� 0 0 0 0 POI #2 j N 0 I PROPOSED FLAT VDOT CLASS II COARSE AGGREGATE OUTLET - POI #2 3. For temporary sediment traps or basins which are to be converted \� \\ / - - \ , / PROTECTION w/ GEOTEXTILE FILTER FABRIC UNDERLAYMENT j� SHEET NO. to permanent stormwater management facilities; conversion is not PRE-DEV, SWM PLAN: ` - �', FABRIC TO BE KEYED INTO EX. GROUND 9" MIN. AT ENDS & s to take lace until the site is stabilized, and \ - POST-DEV. SWM PLAN: ALONG PERIMETER. FABRIC TO OVERLAP A MIN. OF 9" \ ` 17 P permission has been SCALE I'=120' -o�� . - - 0 obtained from the County erosion control inspector. \ 0 0 \ Vh SOLE 1 "=i2I' (L=24', W1=6', w2=12', D=3o" MIN.) WET POND DESIGN & REQUIREMENTS: STORMWATER MANAGEMENT FACILITY GRADING WET POND CONSTRUCTION NOTES: Treatment Volume, Tv (VRRM) 12,473 cf FACILITY PLANTING SPECIFICATIONS: Minimum Treatment Volume Required for Level II Basin 18,710 cf 1. THE CONTRACTOR SHALL ESTABLISH AND MAINTAIN A VEGETATIVE COVERAGE IN THE POND AND ITS BUFFER. Treatment Volume Provided at MWSE 15,320 cf 2. THE CONTRACTOR SHALL ALSO INSTALL THE WETLAND SHELF AND AQUATIC BENCH PLANTINGS, AS REQUIRED, AND USE NUTRIENT RICH SOIL IN Minimum Percentage of Tv Provided at MWSE 50 % THESE AREAS TO PROMOTE HEALTHY GROWTH AND ROOT DEVELOPMENT. Percentage of Tv Provided at MWSE 82 3. PLANT SELECTION SHALL PROMOTE DIVERSE WILDLIFE AND WATERFOWL USE WITHIN THE STORMWATER WETLAND, AQUATIC BENCH AND BUFFERS. Ponding Depth Corresponding to Minimum Tv Required 0.4 ft 4. WOODY VEGETATION MAY NOT BE PLANTED OR ALLOWED TO GROW WITHIN 15 FEET OF THE TOE OF THE EMBANKMENT NOR WITHIN 25 FEET Maximum Ponding Depth allowed for Minimum Tv 4 ft FROM THE PRINCIPAL SPILLWAY STRUCTURE. 5. A VEGETATED BUFFER SHALL BE PROVIDED THAT EXTENDS AT LEAST 25 FEET OUTWARD FROM THE MAXIMUM WATER SURFACE ELEVATION OF THE Maximum Percentage of Tv Provided above MWSE 50 % WET POND. PERMANENT STRUCTURES (E.G., BUILDINGS) SHALL NOT BE CONSTRUCTED WITHIN THE BUFFER AREA. EXISTING TREES SHALL BE Percentage of Tv Provided above MWSE 18 % PRESERVED IN THE BUFFER AREA DURING CONSTRUCTION IF POSSIBLE. 6. THE SOILS IN THE STORMWATER BUFFER AREA ARE OFTEN SEVERELY COMPACTED DURING THE CONSTRUCTION PROCESS, TO ENSURE STABILITY. THE DENSITY OF THESE COMPACTED SOILS CAN BE SO GREAT THAT IT EFFECTIVELY PREVENTS ROOT PENETRATION AND, THEREFORE, MAY LEAD TO Minimum Forebay Volume Required (15% of Tv) 2,806 cf PREMATURE MORTALITY OR LOSS OF VIGOR. AS A RULE OF THUMB, PLANTING HOLES SHALL BE THREE TIMES DEEPER AND WIDER THAN THE DIAMETER OF THE ROOT BALL FOR BALL -AND -BURLAP STOCK, AND FIVE TIMES DEEPER AND WIDER FOR CONTAINER -GROWN STOCK. Forebay Volume Provided 4,616 cf 7. AVOID SPECIES THAT REQUIRE FULL SHADE, OR ARE PRONE TO WIND DAMAGE. EXTRA MULCHING AROUND THE BASE OF TREES AND SHRUBS IS Minimum Upper Wetland Shelf Area (10% of Pond Area) 654 sf STRONGLY RECOMMENDED AS A MEANS OF CONSERVING MOISTURE AND SUPPRESSING WEEDS. Upper Wetland Shelf Provided 655 sf CONTRACTOR REQUIREMENTS: Notes: 1 THECONTRACTOR HALL E RESPONSIBLE F R LAY T F ALL WORK COVERED UNDER THESE PLAN 1 A minimum foreba volume depth of 4 with an aquatic bench 4 wide 2 S B0 LAYOUT 0 0 CO U S S. y p q , 2. LANDSCAPE CONTRACTOR SHALL REFER TO THE STANDARDIZED LANDSCAPE SPECIFICATIONS FOR THE STATE OF VIRGINIA FOR ADDITIONAL deep has been provided. INFORMATION. THE CONTRACTOR SHALL ABIDE BY ITS CONTENTS; HOWEVER ANY NOTES OR SPECIFICATIONS ON THE PLANS SHALL SUPERSEDE THOSE OUTLINED IN THE SPECIFICATIONS MANUAL (COPIES ARE AVAILABLE FOR A FEE FROM THE VIRGINIA CHAPTER OF THE AMERICAN SOCIETY 2 A minimum forebay volume of 15% of the total Tv has been provided. OF LANDSCAPE ARCHITECTS, VIRGINIA NURSERYMEN'S ASSOCIATION, INC. AND THE VIRGINIA SOCIETY OF LANDSCAPE DESIGNERS). 3 A 10' wide aquatic bench ranging from 12"-18" in depth has been provided. 3. ALL PLANT MATERIAL SHALL MEET THE MINIMUM SPECIFICATIONS AND STANDARDS DESCRIBED IN THE CURRENT ISSUE OF THE AMERICAN 4 Side slopes of 5:1 have been provided. STANDARD FOR NURSERY STOCK, PUBLISHED BY THE AMERICAN ASSOCIATION OF NURSERYMEN, 1250 STREET, NW, SUITE 500, WASHINGTON, DC 20005 5 The minimum treatment volume required has been provided. Elevation (ft) Area of Forebay Cell Contours (sf) Volume (cf) 428 399 0 430 622 1,013 432 880 2,507 433 1,018 3,456 434 1,309 4,616 436 - - 438 - - 440 - - Elevation (ft) Area of Main Cell Contours (sf) Volume (cf) 428 180 0 430 923 1,007 432 2,068 3,922 433 2,780 6,337 434 4,573 9,977 436 - - 438 - - 440 - - 4. THE CONTRACTOR SHALL VERIFY ALL DIMENSIONS IN THE FIELD AND NOTIFY THE DESIGNER OF ANY VARIANCE FROM THE PLAN. 5. THE LANDSCAPE CONTRACTOR IS RESPONSIBLE FOR VERIFYING THE LOCATION OF ANY ONSITE UTILITIES (CALL MISS UTILITY 1-800-552-7001 BEFORE ANY EXCAVATION). L24"_ 6. REFER TO THE APPROVED CONSTRUCTION PLANS FOR ANY DETAILED SITE INFORMATION. 7. ALL WORK SHALL BE COORDINATED WITH OTHER PARTIES. L" MIN.(7 -F �6 ` 1N L[lW WE R 8. PLANTS 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 GROWN PLANTS WILL BE TRANSPORTED IN THE CONTAINERS IN WHICH THEY HAVE BEEN GROWN. PROJECTIC 9. ALL PLANT MATERIAL, UNLESS OTHERWISE SPECIFIED, SHALL BE UNIFORMLY BRANCHED AND HAVE A VIGOROUS ROOT SYSTEM. PLANT MATERIAL SHALL BE HEALTHY, VIGOROUS, AND FREE FROM DEFECTS, DECAY, DISEASES, INSECT PEST EGGS, AND ALL FORMS OF INFESTATION. ALL PLANT HIGH -FLOW WEIR MATERIAL SHALL BE FRESH, FREE FROM TRANSPLANT SHOCK OR VISIBLE WILT. PLANTS DEEMED UNHEALTHY WILL BE REJECTED. "+ 10.ALL CONTAINER STOCK SHALL HAVE BEEN PROPAGATED IN A CONTAINER LONG ENOUGH FOR THE ROOT SYSTEM TO HAVE DEVELOPED r SUFFICIENTLY TO HOLD ITS SOIL. CONTAINER STOCK WITH POORLY DEVELOPED ROOT SYSTEMS WILL NOT BE ACCEPTED. 11.PLANTS NOT INSTALLED ON THE DAY OF ARRIVAL ON SITE SHALL BE STORED AND PROTECTED BY THE CONTAINER. OUTSIDE STORAGE AREAS WILL BE SHADED AND PROTECTED FROM THE WIND AND SUN. PLANTS STORED ON SITE SHALL BE PROTECTED FROM ANY DRYING AT ALL TIMES BY COVERING THE BALLS OR ROOTS WITH MOIST SAWDUST, WET BURLAP, WOOD CHIPS, SHREDDED BARK, PEAT MOSS, OR OTHER SIMILAR MULCHING MATERIAL. 12.THE OWNER RESERVES THE RIGHT TO SUBSTITUTE PLANT MATERIAL TYPE, SIZE AND/OR QUANTITY. ANY SUBSTITUTIONS MUST BE APPROVED BY THE DESIGNER. 13.MINOR FIELD ADJUSTMENTS MAY BE NECESSARY DUE TO SITE CONDITIONS (EX: ROOTBALL AND UTILITY CONFLICT). MAJOR ADJUSTMENTS MUST BE APPROVED BY THE DESIGNER. 14.NO PLANTING SHALL OCCUR WHEN THE SOIL IS FROZEN. 15.PLANT MATERIAL SHALL BE PLACED IN EXISTING SOIL WITH EACH PLANTING PIT EXCAVATED TO A SIZE SUFFICIENT TO CONTAIN THE ENTIRE ROOT BALL OR ROOT MASS, WITHOUT CRAMPING ROOT STOCK. 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 AND APPROVAL OF THE COMPLETE INSTALLATION OF ALL PLANTS AND CONTINUE FOR ONE CALENDAR YEAR. 17.THE CONTRACTOR IS RESPONSIBLE FOR REMOVAL AND DISPOSAL OF TRASH AND DEBRIS WITHIN THE LIMITS OF THE PLANTING ON A DAILY BASIS. 18.THE CONTRACTOR WILL NOT BE RESPONSIBLE FOR PLANT MATERIAL THAT HAS BEEN DAMAGED BY VANDALISM, FIRE, OR OTHER ACTIVITIES BEYOND THE CONTRACTOR'S CONTROL. FACILITY CONSTRUCTION: 1. THE CONTRACTOR SHALL USE THE WET POND AS AN E&S CONTROL STRUCTURE, IF SHOWN IN THIS MANNER ON THE APPROVED ESC PLANS. IF APPLICABLE, THE WET POND SHALL SERVE AS A SEDIMENT BASIN DURING PROJECT CONSTRUCTION. IF THIS IS DONE, THE VOLUME SHALL BE BASED ON THE MORE STRINGENT SIZING RULE (EROSION AND SEDIMENT CONTROL REQUIREMENT VS. WATER QUALITY TREATMENT REQUIREMENT). INSTALLATION OF THE PERMANENT RISER SHALL BE INITIATED DURING THE CONSTRUCTION PHASE, AND DESIGN ELEVATIONS SHALL BE SET WITH FINAL CLEANOUT OF THE SEDIMENT BASIN AND CONVERSION TO THE POST -CONSTRUCTION WET POND IN MIND. THE BOTTOM ELEVATION OF THE WET POND SHALL BE LOWER THAN THE BOTTOM ELEVATION OF THE TEMPORARY SEDIMENT BASIN. APPROPRIATE PROCEDURES SHALL BE IMPLEMENTED TO PREVENT DISCHARGE OF TURBID WATERS WHEN THE BASIN IS BEING CONVERTED INTO A WET POND. 2. WET PONDS SHALL ONLY BE CONSTRUCTED AFTER THE CONTRIBUTING DRAINAGE AREA TO THE POND IS COMPLETELY STABILIZED. IF THE PROPOSED POND SITE WILL BE USED AS A SEDIMENT TRAP OR BASIN DURING THE CONSTRUCTION PHASE, THE CONTRACTOR SHALL DE -WATER, DREDGE AND RE -GRADE THE SEDIMENT CONTROL FACILITY TO DESIGN DIMENSIONS AFTER THE ORIGINAL SITE CONSTRUCTION IS COMPLETE. 3. THE CONTRACTOR SHALL ASSEMBLE CONSTRUCTION MATERIALS ON -SITE, MAKING SURE THEY MEET DESIGN SPECIFICATIONS AND ARE PREPARED AT STAGING AREAS WHEN POSSIBLE. 4. THE CONTRACTOR SHALL CLEAR AND STRIP THE PROJECT AREA IF REQUIRED TO THE DESIRED SUB -GRADE. 5. THE CONTRACTOR SHALL INSTALL E&S CONTROLS PRIOR TO CONSTRUCTION, INCLUDING TEMPORARY DE -WATERING DEVICES AND STORMWATER DIVERSION PRACTICES. ALL AREAS SURROUNDING THE POND THAT ARE GRADED OR DENUDED DURING CONSTRUCTION MUST BE PLANTED WITH TURF GRASS, NATIVE PLANTINGS, OR OTHER APPROVED METHODS OF SOIL STABILIZATION. 6. THE CONTRACTOR SHALL ALSO EXCAVATE THE CORE TRENCH AND INSTALL THE SPILLWAY PIPE. 7. THE RISER AND APPLICABLE OUTFLOW STRUCTURES SHALL BE INSTALLED, AND THE CONTRACTOR SHALL ENSURE THE TOP INVERT OF THE OVERFLOW WEIR IS CONSTRUCTED LEVEL AT THE DESIGN ELEVATION. 8. THE CONTRACTOR SHALL CONSTRUCT THE EMBANKMENT AND ANY INTERNAL BERMS IN 8- TO 12-INCH LIFTS, COMPACTION SHALL BE COMPLETED IN LIFTS WITH APPROPRIATE EQUIPMENT. THE CONTRACTOR SHALL ALSO ADHERE TO THE CLAY LINER SPECIFICATIONS OUTLINED IN TABLE 14.4 BELOW: Tab-(e 14.0 Clay Linearr SpeCPfIGarions Property TesiMothod Unit Specification Permeability ASTM D-2434 Cmisec 1 X 10 Plasticity Index of Clay ASTM D-4231424 % Not less than 15 Liquid Limit of Clay ASTM D-2216 % Not less than 30 Clay Particles Passing ASTM D-422 g'o Not less than 30 Clay C0m action ASTM D-2216 % 951A' of standard procLordeinsity �n EDIMENT FORE&II E F0 r r" PRIMARY POND 1 1 1 I 1 1 1 1 *NOTE: WEIR LENGTH -5' I 1 GABION BASKETS FILLED WITH STONE TO SERVE AS THE INTERNAL DAMS. BASKETS TO BE ANCHIORED BELOW GRADE. 1 1 r or PO 1 y r r ^+ r A C r WO r ti GENERAL SWM NOTES: i. STATE APPROVED TRASH RACKS AND ORIFICES SHALL BE INSTALLED ON ALL ORIFICE OPENINGS. SEE DETAILS ON THIS SHEET, OR EQUIVALENT, FOR INSTALLATION. 2. CONCRETE FOUNDATIONS SHALL BE INSTALLED ON ALL RISER STRUCTURES MEETING MINIMUM VESCH 3.14 SPECIFICATIONS. 3. CONTRACTOR SHALL HIRE A THIRD PARTY GEOTECHNICAL ENGINEER TO ENSURE THE EMBANKMENTS ARE STRUCTURALLY SOUND. THE EMBANKMENTS SHALL HAVE A COMPACTED CLAY CORE WITH A CUTOFF TRENCH & BE IN ACCORDANCE WITH THE DETAILS SHOWN ON THIS SHEET. ALL EXISTING AND PROPOSED FILL MATERIAL AND PROPOSED CONSTRUCTION SHALL BE APPROVED BY AN ONSITE GEOTECHNICAL ENGINEER PRESENT DURING THE CONSTRUCTION OF THE EMBANKMENTS AND FILL AREAS, AND PRESENT DURING THE CORE SAMPLING. 4. THE DOWNSTREAM EMBANKMENT SIDE SLOPES OF ALL PERMANENT FACILITIES SHALL HAVE A MAXIMUM 3:1 SLOPE. 5 STONE DIVERSION TO SLOW THE INFLOW OF WATER TO THE RISER AND TO PROVIDE FURTHER SEDIMENT FILTRATION. IN ADDITION TO THE LOW -FLOW ORIFICE's TRASHRACK, THE STONE DIVERSION RING SURROUNDING THE RISER PROVIDES A 2ND LAYER OF PROTECTION TO REDUCE THE RISK OF CLOGGING IN THE LOW -FLOW ORIFICE. 6. THE PROPOSED LEVEL II WET POND SHALL INCLUDE AN AERATOR. SEE DETAIL ON SHEET 22. wurce. Virginia :iiormwater Management Han mooK 9. EXCAVATION AND GRADING TO THE APPROPRIATE ELEVATIONS AND DESIRED CONTOURS SHALL BE ACHIEVED FOR THE BOTTOM AND SIDE SLOPES of THE POND. VA DEQ STORMWATER DESIGN SPECIFICATION NO. 14 10.THE EMERGENCY SPILLWAY SHALL BE CONSTRUCTED IN CUT WHERE POSSIBLE, OR IN STRUCTURALLY STABILIZED SOILS. 11.THE OUTLET PIPES, INCLUDING DOWNSTREAM RIP -RAP APRON PROTECTION, SHALL BE INSTALLED. 12.EXPOSED SOILS SHALL BE STABILIZED WITH TEMPORARY SEED MIXTURES APPROPRIATE FOR THE POND BUFFER. ALL AREAS ABOVE THE NORMAL POOL ELEVATION SHALL BE PERMANENTLY STABILIZED BY HYDROSEEDING OR SEEDING OVER STRAW. SECTION 4: TI'PIC AL DEI AMS 13.THE POND BUFFER AREA SHALL BE PLANTED WITH A VEGETATIVE GROUND COVER AND THE CONTRACTOR SHALL THEN INSTALL THE APPROPRIATE BASIN LANDSCAPING IN ACCORDANCE WITH THE APPROVED PLANS. JPPE HELFFRCAETLAI ID JPPER SHELF LEVEL 2y 14.ALL CONSTRUCTION SHALL ADHERE TO THE VIRGINIA DEQ POST CONSTRUCTION BMP CLEARINGHOUSE REQUIREMENTS SET FORTH IN DESIGN 4W' uNEfLAND GELL MAN TV DEerH _ 18� SPECIFICATION NUMBER 14. iYvERFLOkh' FC5REF34Y 4FIEFEFIT4 TA6LE:1-*.2FDR ILUd£ REFEF 7DTA@LE REQUIPEMENTS] sa E M' BENCH FACILITY MAINTENANCE: FG+F WQLUINE REWIIFIEMEP-Me - MAINTENANCE OF THE WET PONDS) IS DRIVEN BY ANNUAL INSPECTIONS THAT EVALUATE THE CONDITION AND PERFORMANCE OF THE POND. DURING THESE INSPECTIONS THE FOLLOWING TASKS SHALL BE PERFORMED BY THE CONTRACTOR IN THE FIRST YEAR FOLLOWING INSTALLATION, AND THE OWNER THEREAFTER: 1. MEASURE SEDIMENT ACCUMULATION LEVELS IN THE FOREBAY. � t �. 1. MONITOR THE GROWTH OF WETLANDS, TREES AND SHRUBS PLANTED, AS APPLICABLE. RECORD THE SPECIES AND THEIR APPROXIMATE COVERAGE, lu AND NOTE THE PRESENCE OF ANY INVASIVE PLANT SPECIES, AS APPLICABLE. 2. INSPECT THE CONDITION OF STORMWATER INLETS TO THE POND FOR MATERIAL DAMAGE, EROSION OR UNDERCUTTING. LOW FLOW 3. INSPECT THE BANKS OF UPSTREAM AND DOWNSTREAM CHANNELS FOR EVIDENCE OF SLOUGHING, ANIMAL BURROWS, BOGGY AREAS, WOODY GROWTH, OR GULLY EROSION THAT MAY UNDERMINE EMBANKMENT INTEGRITY. ISER 4. INSPECT POND OUTFALL CHANNEL FOR EROSION, UNDERCUTTING, RIP -RAP DISPLACEMENT, WOODY GROWTH, ETC. 5. INSPECT CONDITION OF PRINCIPAL SPILLWAY AND RISER FOR EVIDENCE OF SPALLING, JOINT FAILURE, LEAKAGE, CORROSION OR OTHER FAILURES. 6. INSPECT CONDITION OF ALL TRASH RACKS OR FLASHBOARD RISERS FOR EVIDENCE OF CLOGGING, LEAKAGE, DEBRIS ACCUMULATION OR OTHER FAILURES. Hk{3H FLOW WET POND 7. INSPECT MAINTENANCE ACCESS I U ENSURE IT IS FREE OF WOODY VEGETATION, AND CHECK TO SEE WHETHER VALVES, MANHOLES AND LOCKS FLOW' PATH ANiDF LQECUETFIY CAN BE OPENED AND OPERATED. TO TA21 E IE.2ING P°No- AERAl1ON -ER TOTAEiLE 14.2 FOR L1 AND IAE.FER TO rArBA I .. IJ.A-nC BEPJGH L2 REQUIREMENTS) 8. INSPECT INTERNAL AND EXTERNAL SIDE SLOPES OF THE POND FOR EVIDENCE OF SPARSE VEGETATIVE COVER, EROSION, OR SLUMPING, AND MAKE F9F1 L, nlyp L2 NEEDED REPAIRS IMMEDIATELY. REC&AREhdENTSy SAFETY BENCH 9. REPAIR AND REPLACE AS NECESSARY. %%FET'W AQQA-1G 10.PLEASE SEE THE TABLE BELOW FOR ADDITIONAL MAINTENANCE MEASURES ABOVE AND BEYOND THOSE OUTLINED ABOVE: flr11 Ta,b1•e 14.6. Typical Wee Pond Main F-enance Tasks and Freguency PLANV1EW Maintenance Items Frequency Mowln -twice a � Year Quarterly or after major storms + Rennow debris .and blockMes (>1 inch iot rainfall) * Repair undercut, eroded. and bare soil areas Mowing � a Twice year • Shoreline cleanup to femovetrash, debris and flaatables * Afull maintenance inspection Annually Open up the riser to access and test the valves + Repair broken mech3nie31 components, I needed One time -during the + Pond buffer and aquatic bench reinforcement plank ings se-cond pear following conslnucton • Forebay Sediment Remav3l Every 5 Lo 7 years + Repair pipim,. the riser and spillway, as needed From 5 to 25 rears FACILITY INSPECTION: MULTIPLE INSPECTIONS ARE CRITICAL TO ENSURE THE BASIN(S) ARE PROPERLY CONSTRUCTED. BECAUSE THE TIMING OF THE INSTALLATION IS DICTATED BY THE CONTRACTOR, THE CONTRACTOR SHALL BE RESPONSIBLE FOR CONTACTING THE ENGINEER AND INSPECTOR PRIOR TO INSTALLATION. MULTIPLE SITE VISITS AND INSPECTIONS ARE REQUIRED TO BE SCHEDULED BY THE CONTRACTOR, WITH THE ENGINEER AND INSPECTOR, DURING THE FOLLOWING STAGES OF THE EXTENDED DETENTION BASIN'S CONSTRUCTION PROCESS: 1. PRE -CONSTRUCTION MEETING 2. INITIAL SITE PREPARATION (INCLUDING INSTALLATION OF PROJECT E&S CONTROLS) 3. EXCAVATION/GRADING (E.G., INTERIM/FINAL ELEVATIONS) 4. WET POND INSTALLATION (E.G., INTERIM AND FINAL ELEVATIONS) 5. INSTALLATION OF THE EMBANKMENT, THE RISER/PRIMARY SPILLWAY, AND THE OUTLET STRUCTURE(S). 6. PLANTING AND VEGETATIVE STABILIZATION PHASE (WITH AN EXPERIENCED LANDSCAPE ARCHITECT PRESENT) 7. FINAL INSPECTION (DEVELOP A PUNCH LIST FOR FACILITY ACCEPTANCE) NOTE_ REFER TO TABLE 1-4.2 AANO DEaK3N&PEG. NO. 13 WIETLA.ND- E3E)cFnb V 6 FOR Li AND 1 2 VOLUME Ad+36 STORAGE DEFTH CRrr'EFIA IN V ETLANDCELL OVERFLOW TO WET NORMAL- FCHDL FC &AFETY 0EN0I-I CIHAk"EL P17#0TI Af�UAT' RE: 14 TV - r; �Rb_iAL __..L �. III _GW FLGrt+1 TIf] IP� EA SI-LELF krrETLJaNO II.`= - �F•v�F�,_ °I : °�_ I ,,.� GI.:.. r PIPE .. F'PIQFILE (WITH 1UPF}EF HELF WETLAI', I r Fes' OI A-QLPA710 BEWH CHANNEL PROTECrrICN TW HIGH - LC:; Tr',ve-r PONQ NORMAL _-I I = I III -- I .LLB L rl �I II€ REYERbG 51LORS LOW FLCAd PIPE r<] T E. F9EF59 To i9EGTION 8 FOR L1 ANa Le NICIINIAL F13L1 vCILUpd1= . AND CEPTH,. AND TV AND CHANNEL FRC,T=DH BTC UM3E DEPTH:a PROFILE (WITII =7 UPPER SHELF WETL4NI ) Ffguire 141. l+tWOV Pond Uegign Schamades Elevation (ft) Area of Wetland Cell Contours (sf) Volume (cf) 428 - - 430 - - 432 - - 433 377 0 434 655 510 436 - - 438 - - 440 - - Elevation (ft) Total Facility Area Contours (sf) Volume (cf) 428 579 0 430 1,545 2,047 432 2,948 6,465 433 4,175 10,008 434 6,537 15,320 436 10,163 31,888 438 14,374 56,303 440 19,395 89,947 PROPOSED PROPOSED VARIABLE WIDTH \ GREENWAY, TYP. SWM & ACCESS EASEMENT / \ COINCIDES WITH SWM FOREST \ & OPEN SPACE EASEMENT. 454 \ 5o \ io' WIDE, 12" DEEP \ FLOW PATH > 3:1 AQUATIC BENCH \ (FLOW LENGTH=245' / WIDTH=78') ` \ Z OD a CONTRACTOR SHALL USE x NUTRIENT RICH TOPSOIL FOR THE AQUATIC BENCH & SHALL ENSURE j HEALTHY GROWTH OF PLANTINGS j DURING THE FIRST YEAR (TYP.) VG -� WET POND DETAIL; 3+88 SCALE 1"=30' LIMITS OF jSTREAM, TYP. Q PROPOSED FLAT VDOT CLASS Al SCOTT R. LLINS / COARSE AGGREGATE OUTLET L1C. NO. 035791 PROTECTION w/ GEOTEXTILE FILTER \ �Q FABRIC UNDERLAYMENT. FABRIC TO BE d 3/12/20 O GJ KEYED INTO EX. GROUND 9" MIN. AT \ � ENDS & ALONG PERIMETER. FABRIC TO OVERLAP A MIN. OF 9" Y �SIONAL i (L=10', W1=6% W2=6', D=18" MIN.) PROPOSED SWM FACILITY & ACCESS EASEMENT COUNTY DEFINED f-MANAGED STEEP SLOPES, TYP. BLOCK AND O�Os PROPERTY LIMITS w w 0 PROPOSED 25' WIDE VDOT CL. Al RIPRAP \ \\ � O S U STR 30 LINED EMERGENCY SPILLWAY CREST U STR 303 ` / ELEV.= 8.2 '. SPILLWAY TO HAVE :2 SIDE z / 43 5 ?+ r TOP OF DAM ELEV.=433.5o' ADJACENT / �O PROPOSE STR 04 W ~ z SLOPES FOR VEHICULAR TRANSITIONS. O � TO THE WETLANDS CELL.THE o Q / MWSF,= 434' ` / 1- Q 0 O WETLANDS CELL's LOWER TOP OF DAM / o� d `'� a O ELEVATION CONVEYS FLOWS FROM ko O �� Q "" U THE WETLAND CELL TO THE MAIN CELL. � / h x0 `>� �� Ln m �' o w n 00 01 io' WIDE TOP OF DAM O z Q '� N SEE THIS SHEET / I XLEVATION=44o' O I- w FOR SCALED 1w mogyp,' � � z � a. PROFILES OF THE / 0' > wLn ALIGNMENTS (TYP) / WETLAND CELL 3 1II>o I Q z 1 00PROPOSED 2' WIDE, 18" TALL DIVERSION H J g ( N OPF :yj I" CONSTRUCTED OF GABION BASKETS C) 0 FILLED WITH STONE, DIVERSION TOP TO > LU Lu Ln EXTEND ABOVE THE MWSE. SEE GENERALuj > - FC 2 SWM NOTE #5 ON THIS SHEET. w 300sf c OF C COUNTY DEFINED PROPOSED VARIABLE WIDTH / N l� SWM PRESERVED STEEP &ACCESS EASEMENT � � � \ / � ` COINCIDES WITH LOT LINES \ �� 5: j Qa `' SLOPE'S, TYP,. IMPACTS SHORTEST FLOW PATH (io6') / 8' WIDE FOREBAY ARE FOR EXTENSION SPILLWAY CREST OVERALL LENGTH (85') > o.8 OF STELL _),� ELEV.=433 5' q T 40 43 / DAM LOCATED BETWEEN THE FOREBAY AND WETLAND CELLS TO HAVE A TOP , ELEVATION OF 434.00' WITH AN 8' WIDE WEIR (CREST ELEV.=433.50'). WEIR ^v� TO CONVEY FLOWS FROM FOREBAY CELL TO WETLANDS CELL. \ TOP OF DAM ELEVATION ADJACENT TO FOREBAY CELL - SHALL BE 434.00'. DAM TO CONVEY FLOWS FROM THE so WIDE GRADED, GRASS LINED ACCESS ROAD • FOREBAY CELL TO THE MAIN CELL VIA OVERTOPPING. TO RISER FOR POTENTIAL MAINTENANCE 2 WIDE INTERIOR DAM CONSTRUCTED OF GABION BASKETS FILLED WITH STONE. GABION PROPOSED 6' DEEP FOREBAY TO PROVIDE / BASKETS FILLED WITH STONE TO EXTEND 3' BEYOND THE EDGE OF THE POND's PERIMETER PRETREATMENT UPLAND OF MAIN CELL & / AND BE ANCHORED 2' BELOW POND WITH A BOTTOM ELEV.=326.00. TYP. I WETLAND CELL. FOREBAY HELPS FURTHER REDUCE LQ PROPOSED 2'DEEPVDOTCL. THE RISK OF CLOGGING IN THE LOW FLOW ORIFICE. AIV NOTCHEDRIPRAP LINED SEE GENERAL SWM NOTE #5 ON THIS SHEET. CHANNEL w/ 3:1SIDE SLOPES AQUATIC BENCH ZONE I PLANTING SCHEDULE FOR SWM FACILITYPROPOS GREENWAYETYP. I 1----------- / PROPOSED SWM \ ' FACILITY & ACCESS EASEMENT SECTI0: A-9: TYPICAL GRAYBI[ALDETAIELS SYM BOTANICAL COMMON NAME SIZE SWM FACILITY QUANTITY COVERAGE (sf ZONE I PLANTINGS PC PONTEDERIA PECTINATUS POND WEED - - 600 VA VALISNERIAAMERICANA WILD CELERY - - 375 EC ELODEA CANADENSIS WATERWEED - - 1,076 PROPOSED STR. 304 (SWM RISER) 4-6 0 0,_8" ADS HDPE DRAIN BASIN WITH DOME GRATE TO SERVE AS THE SWM RISER & TRASH RACK (SEE DETAIL ON THE NEXT SHEET). SWM RISER TOP & ORIFICES TO REMAIN COVERED DURING CONSTRUCTION TO MINIMIZE DISTURBANCES TO THE EMBANKMENT. ATTHE TIME OF THE FACILITY's CONVERSION FROM A TEMP. SEDIMENT BASIN TO A PERMANENT SWM FACILITY, THE SWM RISER's TOP AND ORIFICES SHALL BECOME OPERATIONAL. SWM RISER RIM ELEVATION=437.25' 455 ONE (1) 01 6 " LOW FLOW ORIFICE (INV=434.00') FIVE (5) 0 " MID FLOW ORIFICES (INV=436.5o') EXISTING 4-50 GRADE PROPOSED STR. 302 ESC RISER (RIM=437.25') TO BE MODIFIED. CONTRACTOR SHALL INSTALL A VDOT STD. MH-3. TOP ON THE 048" CONCRETE BASE / RISER AT THE TIME OF THE FACILITY's CONVERSION. STR. 302 SHALL REMAIN TO RECEIVE RUNOFF FROM STR. 304. PROPOSED 2' WIDE, 18" TALL DIVERSION CONSTRUCTED OF y GABION BASKETS FILLED WITH STONE. DIVERSION TOP TO EXTEND ROPOSED 4-45 ABOVE THE MWSE. SEE GENERAL GRADE TOP OF DAM ELEV.=433.5o' ADJACENT SWM NOTE #5 ON THIS SHEET. TO THE WETLANDS CELL.THE WETLANDS CELL's LOWER TOP OF DAM 455 445 ELEVATION CONVEYS FLOWS FROM CONTRACTOR SHALL INSTALL THE WETLAND CELL TO THE MAIN CELL. EMBANKMENT IN ACCORDANCE wl THE DESIGN SHOWN ON 440 THESE PLANS. 440 PEAK 100-yr WSE=438.90 10-yr PEAK WSE=438.16 8' WIDE FOREBAY io' WIDE, 12" DEEP 2-yr PEAK WSE-436.67 SPILLWAY CREST AQUATIC BENCH 1-yr PEAK WSE=436.22 ELEV.=433.5' o��a 435 70 _ a� PROPOSED STR 303 WSE= 434' 8.00 LF OF 08" HDPE @ 11.50% _ (INV IN=429.02; PROPOSED 6' DEEP FOREBAY INV OUT=428.10) (FLOOR ELEV.=428') TO PROVIDE PRETREATMENT UPLAND OF MAIN \ STR 301 CELL & WETLAND CELL. FOREBAY 141.83 LF OF 024" HELPS FURTHER REDUCE THE RISK L CL. III RCP @ 8.46% OF CLOGGING IN THE LOW -FLOW (INV IN=428.00; ORIFICE. SEE GENERAL SWM NOTE _ INV OUT=416.00) #5 ON THIS SHEET. 25 PERMANENT POOL-' DEP H=6 (FLOOR DAM LOCATED BETWEEN THE FOREBAY AND EEV.= 4 28.o') WETLAND CELLS TO HAVE A TOP ELEVATION TO PREVENT FLOTATION THE RISER BASE OF 434.00' WITH AN 8' WIDE WEIR (CREST AND BARREL CONNECTIONS SHALL BE ELEV.=433.50'). WEIR TO CONVEY FLOWS FIRMLY EMBEDDED 6" INTO THEIR 18" FROM FOREBAY CELL TO WETLANDS CELL. THICK REINFORCED CONCRETE \ 4-20 FOUNDATIONS. THE CONC. FOUNDATIONS SHALL BE BURIED BELOW GROUND. STR. 2' WIDE INTERIOR DAMS 304's CONC. FOUNDATION SHALL BE CONSTRUCTED OF GABION BASKETS 3'Lx3'Wx18"D AND STR 306's CONC. FILLED WITH STONE SHALL EXTEND 3' FOUNDATION SHALL BE 8'Lx8'Wx18"D BEYOND THE EDGE OF THE POND'S PERIMETER AND BE ANCHORED 2' PROPOSED RIPRAP TO EXTEND TO STREAM BELOW POND BOTTOM AT BANKS, AS SHOWN. CONTRACTOR SHALL 415 - NOT DISTURB THE STREAM AND WETLANDS ELEV..00. TYP. PROPOSED FLAT VDOT CLASS Al COARSE AGGREGATE OUTLET PROTECTION w/ GEOTEXTILE FILTER FABRIC UNDERLAYMENT. FABRIC TO BE KEYED INTO EX. GROUND 9" MIN. AT ENDS & ALONG PERIMETER. FABRIC TO OVERLAP A MIN. OF 9" 410 WET POND SECTION (L=10', W1=6% W2--6', D=18" MIN.) > > J co O CD _ 00 N 00 LC) 0 J W W O C6 O O 00 O d N 0 0 W L.L Homogeneous fill t I I,�� � I Cut off trench-4' belowsuitable I mnf6dol Soil or rock I L-----------U TYPICAL HOMOGENEOUS EMBANKMENT Imnsi w fill -Pipe outlet Cob fi r Perforated collector orour slots FnundOtion drain 9iunket drain FOUNDATION II BLANKET DRAIN dim Sand, 4 W ar # autkt dntin Rock or gravel Rotk the ereifY Zia U �7ransrkiop Mier Tronai#ian filter CHIMNEY DRAIN TOE DRAIN 5C71liYE: �e:'FnXirueer•rn�Fi�ley_4fnrru�l Figu3•e A -la, Homogeneous Ewbankinews sr;, Seepage Controls 430 445 44-5 PROPOSED 25' WIDE VDOT CL. Al io' WIDE TOP - I LINED EMERGENCY OF DAM . ELEV=44o' EMBANKMENT NOTES: SPILLWAY CREST ELEV.=438.25'. AFTER AN INVESTIGATION OF THE SITE's SOILS, SITE VISITS, AN SPILLWAY TO HAVE 4:1 SIDE SLOPES ANALYSIS OF THE SURVEYED TOPOGRAPHY AND AN EXAMINATION OF FOR VEHICULAR TRANSITIONS. VA DEQ APPENDIX A: EARTHEN EMBANKMENT, THE APPLICANT HAS 5 4-40 440 PROVIDED A COMPREHENSIVE EMBANKMENT DESIGN THAT DOES NOT NEED A GEOTECHNICAL STUDY AT THIS TIME. SUCH IS THE CASE DUE TO � Y � THE PRECAUTIONARY EMBANKMENT DESIGNS PROPOSED. A PROFILE SCALES / SUMMARY OF THE EMBANKMENT DESIGN REQUIREMENTS ARE LISTED PROPOSED BELOW, MANDATING THE CONTRACTOR MEET THESE REQUIREMENTS 1"=50' (H) GRAD 25' AT MINIMUM. 420 435 435 THE EMBANKMENTS SHALL HAVE A COMPACTED CLAY CORE WITH A CUTOFF TRENCH & BE IN ACCORDANCE WITH THE DETAILS SHOWN ON PROPOSED VDOT IN THIS PLAN. BERMS AND SPILLWAYS SHALL BE STABILIZED WITH EC-3 STD. EW-1 EXISTING MATTING & THE REMAINING DISTURBED SLOPES SHALL BE STABILIZED GRADE WITH EC-2 MATTING. ALL BERM FILL MATERIAL SHALL CONSIST OF ML, CL, SC OR GC SOILS & BE FREE OF WOOD, ROOTS, ROCKS OR ANY OTHER NON COMPACTING SOIL. COMPACTED FILL SHALL BE PROCTOR 41 5 4-30 430 MAXIMUM DRY DENSITY ASTM D698 AND HAVE A MINIMUM OF 95% OF MAXIMUM DRY DENSITY AND 2% OF OPTIMUM MOISTURE CONTENT. ALL FILL MATERIAL AND CONSTRUCTION SHALL BE APPROVED BY AN ONSITE GEOTECHNICAL ENGINEER PRESENT DURING THE CONSTRUCTION OF THE EMBANKMENTS AND FILL AREAS. WET POND 410 425 SPILLWAY 425 J J O O W W N O O 119 ;1- 00 °' o uj z L9 r M Z J M im N M 110 N WN N J Q ' W > W LLJ ZJ_ � > C6 z W L L] O rl LLJ Lu Q � z z = Q U W� y *11i W W ~ ULn Q Ip U) LL W m O I-- z� U) ''^ i w JW JQ 00 0 111 110 O N w U co J H w '1 LLJ w a � JOB NO. 182150 SCALE AS SHOWN SHEET NO. 18 #PCOUNTY FACILITY INSPECTIONS DURING CONSTRUCTION: k' ,i.LE'1.+E F]c"IT-Cment of Community DevelopI wnt CONSTRUCTION INSPECTIONS ARE CRITICAL TO ENSURE THE UNDERGROUND DETENTION SYSTEM IS PROPERLY BUILT. BECAUSE THE TIMING OF THE INSTALLATION IS DICTATED BY p';- -• THE CONTRACTOR, THE CONTRACTOR SHALL BE RESPONSIBLE FOR CONTACTING THE ENGINEER, COUNTY INSPECTOR AND CONTECH REPRESENTATIVE PRIOR TO INSTALLATION. � SM"YrJkl�l1;ri���i��14 f�ir`1 1 CONTECH, OR AN EQUIVALENT PIPE MANUFACTURER, SHALL BE CONTACTED WELL AHEAD OF CONSTRUCTION START THE DATE TO ENSURE ADEQUATE LEAD TIME FOR MATERIALS AND DELIVERY. MULTIPLE SITE VISITS AND INSPECTIONS ARE REQUIRED TO BE SCHEDULED BY THE CONTRACTOR, WITH THE ENGINEER, COUNTY INSPECTOR & PIPE MANUFACTURER, # # j list The following Is a hsl of information required on constnict10Ct record. drawings for 11 DURING THE FOLLOWING STAGES OF THE UNDERGROUND DETENTION SYSTEM CONSTRUCTION PROCESS: # # '��,�T },f� stormwater faculties (reference Water ProtectionOrdinance1 7-4 ). It is referable that the PRE CONSTRUCTION MEETING s. �`onst�,��ctio�i record ra'wi be re are � -� someo a Quiet than the designer. '`lease do not ' 2. INITIAL SITE PREPARATION (INCLUDING INSTALLATION PROJECT E&S CONTROLS) EXCAVATION/GRADING INTERIM/FINAL ELEVATIONS). 3. (E.G., Prf�� ide design dr t drains �as construction record drawings. rots_ 4. WHEN THE DETENTION PIPE SUBGRADE IS READY FOR PIPE CONSTRUCTION, BUT BEFORE STONE BEDDING IS INSTALLED. 5. AFTER STONE BEDDING IS PLACED AND COMPACTED, BUT PRIOR TO PIPE INSTALLATION. . A signed and dated professional seal of the preparing engineer or surveyor. 6. AT THE TIME OF THE PIPE INSTALLATION. �-yy B. T. 1 he [cane and address of the Finn and individual preparing the drawings on (lie title sheet. 7. AFTER PIPE INSTALLATION, BUT PRIOR TO PLACING BACKFILL & FILL OVER THE SYSTEM. 8. FINAL INSPECTION (DEVELOPA PUNCH LIST FOR FACILITY ACCEPTANCE) C. The constructed location of all items associated with each facility, and d)e in:spcction records to verifyr PLEASE ALSO SEE BELOW, UNDER FACILITY MAINTENANCE, FOR REQUIRED INSPECTIONS proper dimensions, materials and installation. The items include, but are not 111mited to the following: AFTER INSTALLATION IS COMPLETE. 1. Inspection Records and photographs for pipe trenches and bedding, includiila Underdrains. FACILITY INSPECTIONS &MAINTENANCE AFTER . Video Pilau. Inspection for any pipes which are not accessible or viewable. CONSTRUCTION: 3. Updated Location with e-coordinates of all facilities. THE FOLLOWING MAINTENANCE TASKS SHALL BE PERFORMED BY THE CONTRACTOR IN THE FIRST YEAR FOLLOWING THE INSTALLATION OF THE UNDERGROUND DETENTION 4. Verified Drainage �i►r•c�� t���r as for the drainage area treated d for drainage to the facilities. '� 1 SYSTEM. 1 �y 5. Current ent physical and topographic survey for all earthen structures. Ponds should include asur�� i. FOR THE FIRST YEAR FOLLOWING CONSTRUCTION, THE SITE SHALL BE INSPECTED BY THE CONTRACTOR QUARTERLY AND AFTER STORM EVENTS THAT EXCEED -1/2 INCH OF of the pared bottom.. Surveys. should verify pond volumes are per design. Corrections may be required RAINFALL. 2. THE CONTRACTOR SHALL LOOK FOR BARE OR ERODING AREAS IN THE CONTRIBUTING for from the design. DRAINAGE AREA AND AROUND THE UNDERGROUND DETENTION SYSTEM AND MAKE alterations SURE THEY ARE IMMEDIATELY STABILIZED. CONTRACTOR SHALL SPOT RESEED AS 6. Plants, location and i`� NECESSARY AND ENSURE ADEQUATE SITE COVERAGE IS PROVIDED WITHIN THE FIRST 1 1. �i. P�lans� and liroffiles for all cuIN-errs, Pipes, Risers, F��eirs and Drainage SItructllres- Display the YEAR. AT THE QUARTERLY INSPECTIONS, AND AFTER EACH RAINFALL EVENT IN EXCESS OFz", THE CONTRACTOR SHALL PERFORM THE ANNUAL MAINTENANCE TASKS irrlstatled type of drainage structures, culvert/pipe size, weirs, materials* inlets or end treatrnent(s), DESCRIBED BELOW IN #3. inlet and outlet rl�ot�c�tior� all nn�e nt end invert elevations � compared t� design. AFTER THE FIRST YEAR THE OWNER SHALL PERFORM FOLLOW-UP INSPECTIONS ANNUALLY, AND AFTER EACH SIGNIFICANT RAINFALL EVENT: s " [5 . onl u tatl(ms: For significant deviations from design, provide sealed computations veri 1n that 3. A SPRING MAINTENANCE INSPECTION AND CLEANUP SHALL BE CONDUCTED ANNUALLY. THE MAINTENANCE PROGRAM FOR THE UNDERGROUND DETENTION I.� I the as -built con+ ltion 1S ulvaler�t or better tl an design. " 1 SYSTEM SHALL INCLUDE CLEANING IT ANNUALLY OF TRASH, DEBRIS &SEDIMENT AND 9. Ditch Lines - D"isplay the constructed location of all ditch limes and channels, including typical ENSURING THE INTEGRITY OF THE WEIR PLATE, TRASH RACK AND OUTFALL & INFLOW PIPES. THE OWNER SHALL ENSURE THE SYSTEM IS OPERATING AS INTENDED AND IS linings. NOT CLOGGED OR DAMAGED. THE OWNER SHALL IMMEDIATELY CLEAN & REPAIR THE sections and FACILITY AS NECESSARY AND SHALL PAY SPECIAL ATTENTION TO THE INLET AND mShow 10. Easements - hoall platted) easements with dead book references labeled. Facilities and drainage OUTLET LOCATIONS. THE ACCESS MANHOLES SHALL BE USED FOR INSPECTION AND must be within platted easements. Provide copies of recorded documents. MAINTENANCE. 11. G'uardra ll, fences or other- safety provisions - Display the constructed location of all safety provisions; fences, guardrail, including the type, length and applied end treatments, compared to design. 12. IN-lalteriall layers - biofrlter media, stone lagers, sand layers, keyways and cores must be verified as to miter i ad types and depths. Include inspection reports, boring or test pit reports and materials certifications. Mofilter media must be an approved state mix. 0120" WEIR PLATE DETAIL 13. Access loads - showy location of access roads, surface treatment, drainage, etc, as applicable. SCALE:1"=5' pkpe - cu lae,l o� 1/2" zinc platad ho-ok attached w th .9/8' F.neta ser 11 - -1. li din. holes (00 L,,A- NUPE F:4Lc (opI.Lomai) riDF'F xirus•1iir:�l t�lnstir. wiY.h' -1/8' hole.-.. t�-id 1:`1" plate _n (nLk fui�41irorl 1-,y ?lug is 0 Solutlan2 rns:. or equal 00 ' C air,Anri,l� BMP F1[`biihC]rl T ERRT AGF. OVERFLOW WEIR IS HYDRAULICALLY 00' ELEV.=44i.00' APPROX. DIAMETEROFfdi3.6g" 14. Compaction reports mare required to verify fill �ycom�7ppaction in d ins. EQUIVALENT TO AN ORIFICE WITH AN 6 (TOP 4 PIPE) 15. Manufacturers certifications for proprietaryBMP"'s certifying proper installation E nd functioning. MANUFACTURE / INSTALL TWO (2) 06" HIGH -FLOW DRAINAGE DESCRIPTIONS STR. NO.in. PIPE INFORMATION INLET INFORMATION COMMENTS DIA. LENGTH* ft. SLOP % INVERT IN INVERT OUT MATERIAL INLET TYPE SLOT LENGTH RIM* ELEVATION 304 SWM Riser 18" 437.25 303 8 8.00 11.500% 429.02 428.10 HDPE 302 1 ESC Riser 48" 437.25 VDOT STD. IS-1 REQ'D 301 24 141.83 8.46% 428.00 416.00 RCP3 UGD Contech MH - 442.50 VDOT STD. IS-1 REQ'D 412 18 5.00 4.00% 430.98 430.78 HDPE 408 MH-1 - 441.50 VDOT STD. IS-1 REQ'D 407 24 65.33 11.430A 430.68 423.21 RCP3 406 MH-1 - 437.33 VDOT STD. IS-1 REQ'D 405 24 31.20 16.000A 1 419.21 414.22 RCP3 404 MH-1 - 425.65 VDOT STD. IS-1 REQ'D 403 24 61.00 16.000A 410.22 400.46 RCP3 402 MH-1 - 406.50 VDOT STD. IS-1 REQ'D 401 24 48.00 2.00% 396.96 396.00 RCP3 Bypass - - 443.16 VDOT STD. IS-1 REQ'D 411 12 1 5.00 16.00° 1439.00 1438.20 1 HDPE 410 MH-1 - 440.90 MODIFIED MH-1 409 12 1 46.05 1 1.78% 1436.70 1435.88 1 HDPE NDERGROUND DETENTION SYSTEM NOTES: 1. TRASHRACKS SHALL BE INSTALLED ON ALL ORIFICES, INCLUDING THOSE LOCATED ALONG THE WEIR PLATE WITHIN THE UNDERGROUND DETENTION SYSTEM, IN ACCORDANCE w/ THE DETAILS SHOWN IN THIS PLAN (OR EQUIVALENT). 2. DETENTION SYSTEM's WEIR PLATE TO BE PRE -MANUFACTURED AND DELIVERED TO THE SITE. WEIR PLATE SHALL BE SECURELY AFFIXED TO THE PIPE. 3. ANY RETAINING WALLS AND FOUNDATIONS CONSTRUCTED IN THE VICINITY OF THE UNDERGROUND DETENTION SYSTEM SHALL BE REVIEWED AND APPROVED BY THE ARCHITECT AND A GEOTECHNICAL ENGINEER. UNDER NO CIRCUMSTANCES SHALL ANY PORTION OF THE UNDERGROUND DETENTION SYSTEM BE INSTALLED BENEATH PROPOSED STRUCTURES OR WITHIN PUBLIC RIGHT-OF-WAY. 4. THE PROPOSED PUBLIC RIGHT-OF-WAY AND ROAD SHALL SERVE, IN CONJUNCTION WITH THE PROPOSED SWM EASEMENT, AS THE MEANS TO ACCESS THE UNDERGROUND DETENTION SYSTEM. 5. CONTACT COLLINS ENGINEERING (434.293.3719) REGARDING ANY QUESTIONS CONCERNING THE UNDERGROUND DETENTION SYSTEM. ALL FILL EMBANKMENT MATERIAL SHALE CONSIST PREDOMINANTLY OF SOIL AND BE PLACED IN SUCCESSIVE UNIFORM LAYERS NOT MORE THAN 8 INCHES IN THICKNESS BEFORE COMPACTION OVER THE ENTIRE AREA IN ACCORDANCE WITH CURRENT VDOT ROAD AND BRIDGE SPECIFICATIONS. 7. ALL FILL SHALL BE PLACED AT 95% COMPACTION AND TESTED BY A GEOTECHNICAL ENGINEER TO ENSURE COMPACTION IS REACHED AND MAINTAINED. PRIOR TO CONSTRUCTION THE CONTRACTOR SHALL TEST -DIG AT THE INLETS & OUTFALLS TO CONFIRM THE INVERTS AND TO ENSURE THE PROPOSED GRADES CAN BE ACHIEVED, CONTRACTOR SHALL CONTACT COLLINS ENGINEERING OF ANY DISCREPANCIES IN THE HORIZONTAL OR VERTICAL ALIGNMENT PRIOR TO ORDERING AND CONSTRUCTION. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR CONSTRUCTION INDUSTRY (29 CFR PART 1926). 0, PENDING PRIOR APPROVAL BY COLLINS ENGINEERING, THE PIPE MATERIALS MAY BE SUBSTITUTED. ANY PIPE LOCATED WITHIN PUBLIC RIGHT-OF-WAY MAY NOT BE SUBSTITUTED AND MUST BE CL. III RCP. 1, SEE NOTES ON THE NEXT SHEET FOR ADDITIONAL BACKFILL REQUIREMENTS. " shown with °pboral pLate Hr]PF. NL-tir.kirml phi-M.ir. wi0i holes and 1/4- plate M13 ufactured face Plastic S .rEulacn-,4 lnu or (•clu.s.l PLASTIC P.O. Roo L38fl f LL)TION wEnc,est-er va 2, W4 877-877-15727" 1.0 1.0±\ ELEV-440.00' ORIFICES IN THE STEEL PLATE (INVERT ELEVATIONS 438.7S') 445 0 ELEV.=438J5' ELEV.=438.00' MANUFACTURE / INSTALL THREE (3) 06" MID -FLOW 2.0'+ 2.0'-+ CD 0 ORIFICES IN THE STEEL PLATE (INVERT ELEVATIONS 438.00') %, - i; , o o INSTALL TRASH RACKS ON ALL ORIFICES, TYP. SEE THIS PLAN LO REINFORCED 12 GA. LO FOR DETAIL, OR EQUIVALENT. // STEEL PLATE r r 44O ELEV-431.00' (BOTTOM OF PIPE) MANUFACTURE /INSTALL ONE 2 "LOW -FLOW IN ADDITION TO THE STATE -APPROVED TRASHRACK, THE CONTRACTOR SHALL ALSO ORIFICE IN THE STEEL PLATE LINSTALL A SECONDARY PROTECTION MEASURE TO REDUCE THE RISK OF CLOGGING IN DETENTION SYSTEM (INVEERR THEE LT ELEVATION 43i.00')OW POINT OF THE THE LOW -FLOW ORIFICE. THE CONTRACTOR SHALL ALSO INSTALL A METAL SCREEN 43 5 SURROUNDING THE LOW -FLOW ORIFICE AND TRASHRACK. THE METAL SCREEN SHALL BE INSTALLED WITH A MINIMUM SEPARATION OF 12" (MAXIMUM SEPARATION OF 36") BETWEEN THE SCREEN AND THE LOW -FLOW ORIFICE's TRASHRACK. NYLOPLA T DRAIN BASIN WITH DOME GRATE (FOR STR. 304- SWM RISER) (1,2) INTEGRATED DUCTILE IRON GRATE TO MATCH BASIN O.D_ MINIMUM PIPE 3UftIAL DEPTH PER PIPE MANUFACTURER (3) 'VARIABLE INVERT HEIGHTS RECOMMENDATION AVAILA13LE(AC:CORDING TO (MIN. MANUFACTURING PLANSrrAKE OFF) REQ. SAME AS MIN. SUMP) (4) VARIOUS TYPES OF IN LET OUTLET ADAPTERS AVAILABLE: A" - 36" FOR CORRUGATED HDPE (AIDS N-12 AAJNCOR DUAL WALL, AUSMANCOR 81NIGLE WALL), N-12 HP, PVC SEWER (EX: SDR 35), PVC DWV P. SCH 40). PVC C900109115, CORRUGATED & RIBBED PVC WATERTIGHT JOINT (CORRUGATED HDPE SHOWN) i - B' - 3i° DOME GRATES SHALL B E DUCTILE IRON PER ASTMA536 GRADE 70-5" 5. 2 - V & 10" DQME GRATES FITONTO THE DRAIN BASINS WfrH THE USE 4F A PVC BODY TQP. SEE DRAWING NO, T001-11D445. 3 - DRAIN BASIN TO BE CUSTOM h1ANUFACTUREDAGOORDING TO PLAN DETAILS. RISERS ARE NEEDED FOR BASINS OVER W DUE TO SrIPP NG RESTRICTYONS. SEEDKAMNGNO.7001-11 .. 4 - DRAINAGE CONNECTION STUB JOINT TIGHTNESS SHALLLCONFORM TO ASTM O32'12 FOR -CORRUGATED HDPE [ADS N-12HANCOR DUAL WALL). N-Q Hp, & PVC SEUVER (4" - 3€'). 5 - A.DAPTERSCAN REMOUNTEDON ANYANGLEO TO360'. 70 DETERMINE MINIMUM ANGLE BETwEE N ADAPTERS -SEE DRAWING NO. 7011-11 atl 2. 6 - F - 3Y DvM E GRATES FA'V'E NO LOAD RATING. (5) ADAPTER ANGLES VARIABLE 0'- 360' ACCORDING TO PLANS 0) VARIABLE SUMP DEPTH 4" MVN ON 0'- 24' A'CCORDINGTO PLANS 6" MIN oN W & W (6' MIN. ON 8"- 24`, 10" MIN. ON 30" & 12" MIN.IDN 36" BIASED ON MANUFACTURING RECh.) THE BACKFILL MATERIAL SHALL BE CRUSHED STONE OR OTHER GRANULAR MATERIAL MEETING THE REQUIREMENTS UFCLH I, &"- 3C" CLASS II, ORCLASS III MATERIALA,S DEFINED IN ASTM D2321. BEDDING R BACKFILL FOR SURFACE DRAINAGE INLETS SHALL BE PLACED & CC_1MP&CTED UNIFORMLY IN ACCORDANCE WITH ASTM D2321. 430 425 420 1,5 41 Q STR. 402 VDOT STD. MH-1 RIM=406.50 INV IN=400.46 INV OUT=396.96 PROPOSED VDOT STD. EW-1 400 / UNDERGROUND DETENTION RESTRIcPLATE SYSTEM DETAIL: d8 LOCATED AT THE LOW POINT Y r RESTRICTIVE STEEL WEIR SCALE 1 "- 30' ,� , ° T OF THE DETENTION SYSTEM. SEE DETAIL ON HIS SHEET. A, 015" INV. 0120" INV. 439.00' �+ 75 431.6C' 44 012 INV. 1 0120' INV. � � � 3 % PROPOSED SWM FACILITY & 439.00' 3+00 -F -ACCESS EASEMENT. PROPOSED ROAD, _ _ - - - 4- - _ SIDEWALK & PUBLIC R/W TO /xti _ 120.00 LF- - - - - PROVIDE ACCESS. / - @ 0.5% ---= -- 018"IN. 411 430.98' _ STR 409 STR -- S- STR_ 41e° 0 ' PROPOSED LOWER 018' STR 408 --- 000a - O UNDERGROUND DETENTION OD SYSTEM PRIMARY OUTFALL a (FOR LESS SIGNIFICANT, MORE / FREQUENT STORM EVENTS) PROPOSED ACCESS MH w/ STAIRS FOR �INSPECTION & MAINTENANCE, TYPICAL. ACCESS MANHOLES TO BE LOCATED 4�. UPSTREAM & DOWNSTREAM FROM o , RESTRICTIVE WEIR PLATE AND AT THE O END OF THE SYSTEM, AS SHOWN. -- - p --- - � 43g --- r _ - _ PROPOSED ELEVATED - - -- 3 VATED �J12" BYPASS ; I PIPES FOR MORE SIGNIFICANT & LESS FREQUENT STORM EVENTS U _ Q e - S o-- - -- 430 -- --- --- --- -- F - -` o- e, a 2 _ a 4 ------418------ - - - - - - - - ♦ 4 28 -- - I x PROPOSED 024" PROPOSED SWM FOREST �� Q OUTFALL PIPE\ &OPEN SPACE EASEMENT I \ GREENWAY, O V TYP. - A PROPOSED FLAT VDOT CLASS Al \ COARSE AGGREGATE OUTLET R0c� \ \ \ PROTECTION w/ GEOTEXTILE FILTER FABRIC UNDERLAYMENT. FABRIC TO BE \ KEYED INTO EX. GROUND 9" MIN. AT ENDS & ALONG PERIMETER. FABRIC TO BLOC -LIMITS, YP. - \ -406 \ OVERLAP A MIN. OF 9" \ S)� �(L=10', W1=6% W2=6', D=18" MIN.) ,Q /400 PROPOSED VDOT CL. AI RIPRAP LINED DOWNSTREAM CULVERT #1 OUTLET / PROTECTION, WITH FILTER FABRIC CONTRACTOR SHALL CALL THE COUNTY �1 O INSPECTOR & ENGINEERING o o `XO UNDERLAYMENT. FILTER FABRIC TO BE q KEYED INTO THE EXISTING GROUND A DEPARTMENT 24-HOURS BEFORE ANY 0 _ INIMUM OF 9" AT THE ENDS AND ALONG ANTICIPATED CONSTRUCTION rn N ACTIVITIES FOR THE BMPs. THIS IS o g THE PERIMETER, AND THE STRIPS OF 'mot INCLUSIVE OF WHEN THE UNDERGROUND FABRIC SHALL OVERLAP A MINIMUM OF 12" DETENTION SYSTEM SUBGRADE IS READY 0 ENERGY DISSIPATER DIMENSIONS: 32' FOR PIPE CONSTRUCTION, BUT BEFORE 0 LONG, 15' WIDE AT THE CULVERT AND 18' STONE BEDDING IS INSTALLED. IDE AT THE END. STONE THICKNESS=18" �-PROPOSED ACCESS MH w/ STAIRS FOR STR. 406 VDOT STD. MH-1 RIM=437.33 INV IN=423.21 INV OUT=419.21 STR. 404 VDOT STD. MH-1 RIM=425.62 INV IN=414.22 INV OUT=410.22 PROPOSED GRADE Y VDOT STD. MH-1 RIM=441.50' INV IN=430.78 INV IN=435.88 INV OUT=430.68 9 5 STR. 401 _ INV=396.00 48.00 LF OF 024" CL. III RCP @ 2.00% PROPOSED FLAT VDOT CLASS Al COARSE AGGREGATE OUTLET PROTECTION w/ GEOTEXTILE FILTER FABRIC UNDERLAYMENT. FABRIC TO BE KEYED INTO EX. GROUND 9" MIN. AT ENDS & 390 90 ALONG PERIMETER. FABRIC TO OVERLAP A MIN. OF 9" L=10' W1=6' W2=6' D=18" MIN. > > J J r� 0 O LO N O Lv La,J Q0 (.04 CO 00 N 0 0 F-) r7 W LL_ 0+50 1 +00 1 +50 Ln FUTURE W/L I GRADE INSPECTION & MAINTENANCE, TYPICAL. ACCESS MANHOLES TO BE LOCATED UPSTREAM & DOWNSTREAM FROM RESTRICTIVE WEIR PLATE AND AT THE END OF THE SYSTEM, AS SHOWN. 5 18" MIN. COVER OVER UGD SYSTEM, TYP. STR 411 (INV.=439.00) i INV=430.98 445 440 10-yr PEAK WSE=440.98 2-yr PEAK WSE=438.86 435 1-yr PEAK WSE=437.97 430 120LF OF 0120' CMP @ 0.50% UPLAND OF PROPOSED WEIR PLATE TO PROVIDE DETENTION RESTRICTIVE STEEL WEIR P TE 425 (INV=431.00). SEE THIS SHEET FOR DETAIL. STR. 412 5.00 LF OF 018" HDPE @ 4.00% 420 PROFILE SCALES BYPASS SYSTEM 450 STR. 410 415 445 MODIFIED VDOT MH-1 RIM=440.90 INV IN=438.20 INV OUT=436.70 410 405 �•i 395 UNDERGROUND DETENTION SYSTEM 390 rl�O O N PO 00 r7 r n� N n c0 n N 6 F, N � Vi O V, O 2+00 2+50 3+00 3+50 3+75 STp,. 409 435 46.05 LF of DPE 430 425 0�� SCOTT R. LLINS � Lic. No. 035'791,� o��ss� oNAL Els���� U) V) z z w w 2 2: 0 O O U U z J z ¢ = a O O U U ZU��o w 00 0 Ln 00 z J _4 N O Q U)�' a > cn aw U) w z 2!Q J a 3 � o > w LU w W> U)>; w ce�� GO 171 O Uj r MCO ^J N M 1 N WN V) Q � J W > W Uj ZJ_ > CZ z w �. j O O �--I w J 0 \ Q Q Z 450 U (n W �+00Uj w LU U � Q 445 U1 w m 0 440 Z � Ul INV=439.00 l- w STR. 411 (BYPASS PIPE) LF OF HOP J w 435 HDPE @ 16.00.00% N J < V O O 430 O N 0 O STR. 408 VDOT STD. MH-1 RIM=441.50' INV IN=430.78 I�iY w INV IN=435.88 ~ INV OUT=430.68 425 w 'n a LU JOB NO. 182150 420 420 SCALE > > J J Ld LLJ 0 0 LJ LL_ `�_ � � °� p � � N � AS SHOWN SHEET NO. 19 0+50 0+75 12 1/8" 10 1 /4" HUGGER SINGLE BAR, BAND FLAT GASKET BOLT AND STRAP (SBBS) w FLAT GASKET a- CONNECTION DETAIL (SBBS) 2 2/3"xl/2" RE -ROLLED END HEL-COR PIPE GENERAL NOTES: 1. JOINT IS TO BE ASSEMBLED PER AASHTO BRIDGE CONSTRUCTION SPECIFICATION SEC 26.4.2.4. 2. BAND MATERIALS AND/OR COATING CAN VARY BY LOCATION. CONTACT YOUR CONTECH REPRESENTATIVE FOR AVAILABILITY. 3. BANDS ARE SHAPED TO MATCH THE PIPE -ARCH WHEN APPLICABLE. 4. BANDS ARE NORMALLY FURNISHED AS FOLLOWS: • 12" THRU 48" 1-PIECE • 54" THRU 96" 2-PIECES • 102" THRU 144" 3-PIECES 5. BAND FASTENERS ARE ATTACHED WITH SPOT WELDS, RIVETS OR HAND WELDS. 6. ALL CMP IS REROLLED TO HAVE ANNULAR END CORRUGATIONS OF 2 2/3"x1/2" 7. DIMENSIONS ARE SUBJECT TO MANUFACTURING TOLERANCES. 8. ORDER SHALL DESIGNATE GASKET OPTION, IF REQUIRED (SEE DETAILS ABOVE). H-12 HUGGER BAND DETAIL NOT TO SCALE 20 MIL PE IMPERMEABLE LINER OVER TOP OF PIPE LIMITS OF AND AROUND REQUIRED STONE BACKFILL BACKFILL 120" TYP. 36" TYP. 36" SEE TYPICAL BACKFILL DETAIL NOTES TYPICAL SECTION VIEW NOT TO SCALE NOTE: IF SALTING AGENTS FOR SNOW AND ICE REMOVAL ARE USED ON OR NEAR THE PROJECT, A GEOMEMBRANE BARRIER IS RECOMMENDED WITH THE SYSTEM. THE GEOMEMBRANE LINER IS INTENDED TO HELP PROTECT THE SYSTEM FROM THE POTENTIAL ADVERSE EFFECTS THAT MAY RESULT FROM A CHANGE IN THE SURROUNDING ENVIRONMENT OVER A PERIOD OF TIME. PLEASE REFER TO THE CORRUGATED METAL PIPE DETENTION DESIGN GUIDE FOR ADDITIONAL INFORMATION. F- TRENCH CONDITION EMBANKMENT CONDITION LPIPEO--� PLAN FRONT 48"0 to 90"0 FITTING REINFORCEMENT MAY BE REQUIRED BASED ON HEIGHT OF COVER AND LIVE LOAD CONDITION TYPICAL MANWAY DETAIL ,RR. )FILE x 1/4" x 1 /2" ,5"x1" ,5"x1" BACKFILL REQUIREMENTS FOLLOW THE GUIDELINES OF AASHTO LRFD BRIDGE DESIGN (SEC 12) AND CONSTRUCTION (SEC 26) 1 MINIMUM TRENCH WIDTH MUST ALLOW ROOM FOR PROPER COMPACTION OF HAUNCH MATERIALS UNDER THE PIPE. THE MINIMUM TRENCH WIDTH (12.6.6.1): PIPE <_12":D+16" PIPE > 12": 1.51D + 12" 1a MINIMUM EMBANKMENT WIDTH (IN FEET) FOR INITIAL FILL ENVELOPE (12.6.6.2): PIPE < 24": 3.01D PIPE 24" - 144": D + 4'0" PIPE > 144": D + 10'0" 2 THE FOUNDATION UNDER THE PIPE AND SIDE BACKFILL SHALL BE ADEQUATE TO SUPPORT THE LOADS ACTING UPON IT (26.5.2). 3 BEDDING MATERIAL SHALL BE A RELATIVELY LOOSE MATERIAL THAT IS ROUGHLY SHAPED TO FIT THE BOTTOM OF THE PIPE, AND A MINIMUM OF TWICE THE CORRUGATION DEPTH IN THICKNESS, WITH THE MAXIMUM PARTICLE SIZE OF ONE-HALF OF THE CORRUGATION DEPTH (26.3.8.1, 26.5.3). 4 CORRUGATED STEEL PIPE (CSP / HEL-COR). 5 HAUNCH ZONE MATERIAL SHALL BE HAND SHOVELED OR SHOVEL SLICED INTO PLACE TO ALLOW FOR PROPER COMPACTION (26.5.4). 5a INITIAL BACKFILL FOR PIPE EMBEDMENT TO MEET AASHTO A-1, A-2 OR A-3 CLASSIFICATION, OR APPROVED EQUAL, COMPACTED TO 90% STANDARD PROCTOR (T 99). MAXIMUM PARTICLE SIZE NOT TO EXCEED 3" (12.4.1.2). ALL LIFTS PLACED IN A CONTROLLED MANNER. IT IS RECOMMENDED THAT LIFTS NOT EXCEED AN 8" UNCOMPACTED LIFT HEIGHT TO PREVENT UNEVEN LOADING, AND THE LESSER OF 1/3 THE DIAMETER OR 24" AS THE MAXIMUM DIFFERENTIAL SIDE -TO -SIDE (26.5.4). 6 INITIAL BACKFILL ABOVE PIPE MAY INCLUDE ROAD BASE MATERIAL (AND RIGID PAVEMENT IF APPLICABLE). SEE TABLE ABOVE. 6a TOTAL HEIGHT OF COMPACTED COMER FOR CONVENTIONAL HIGHWAY LOADS IS MEASURED FROM TOP OF PIPE TO BOTTOM OF FLEXIBLE PAVEMENT OR TOP OF RIGID PAVEMENT (12.6.6.3). 7 FINAL BACKFILL MATERIAL SELECTION AND COMPACTION REQUIREMENTS SHALL FOLLOW THE PROJECT PLANS AND SPECIFICATIONS PER THE ENGINEER OF RECORD (26.5.4.1). NOTES: • GEOTEXTILE FABRIC SHALL BE INSTALLED TO PREVENT SOIL MIGRATION INTO VARYING SOIL TYPES (PROJECT ENGINEER). • FOR MULTIPLE BARREL INSTALLATIONS THE RECOMMENDED STANDARD SPACING BETWEEN PARALLEL PIPE RUNS SHALL BE PIPE DIA./2 BUT NO LESS THAN 12", OR 36" FOR PIPE DIAMETERS 72" AND LARGER. • CONTACT YOUR CONTECH REPRESENTATIVE FOR NONSTANDARD SPACING (TABLE C12.6.7-1). TYPICAL BACKFILL DETAIL NOT TO SCALE NOT TO SCALE A 36"0 MAX., HS-25 ACCESS CASTING WITH GRADE RINGS AS REQUIRED, TO BE PROVIDED AND INSTALLED BY TEMPORARY COVER FOR CMP CONTRACTOR. MAY BE TOP MOUNTE[ CONSTRUCTION LOADS PROTECTION (AS SHOWN) OR RECESSED. 0 RIMIFINISHED FINISHED SLAB GRADE -------- HEIGHT OF ,I GRADE ----- _-__� VARIES 11 COVER 9II-1 _ - as 4 _ _I_ -III-III-III-1 I I CONSTRUCTION LOADS FOR TEMPORARY CONSTRUCTION VEHICLE LOADS, AN EXTRA AMOUNT OF COMPACTED COVER MAY BE 'REQUIRED OVER THE TOP OF THE PIPE. THE HEIGHT -OF -COVER SHALL MEET THE MINIMUM REQUIREMENTS SHOWN IN THE TABLE BELOW. THE USE OF HEAVY CONSTRUCTION EQUIPMENT NECESSITATES GREATER PROTECTION FOR THE PIPE THAN FINISHED GRADE COVER MINIMUMS FOR NORMAL HIGHWAY TRAFFIC. AXLE LOADS PIPE SPAN, INCHES (kips) 18-50 1 50-75 1 75-110 1 110-150 MINIMUM COVER (FT) 2.0 2.5 3.0 3.0 12-42 48-72 3.0 3.0 3.5 4.0 78-120 3.0 3.5 4.0 4.0 126-144 3.5 4.0 4.5 4.5 *MINIMUM COVER MAY VARY, DEPENDING ON LOCAL CONDITIONS. THE CONTRACTOR MUST PROVIDE THE ADDITIONAL COVER REQUIRED TO AVOID DAMAGE TO THE PIPE. MINIMUM COVER IS MEASURED FROM THE TOP OF THE PIPE TO THE TOP OF THE MAINTAINED CONSTRUCTION ROADWAY SURFACE. CONSTRUCTION LOADING DIAGRAM NOT TO SCALE SPECIFICATION FOR CORRUGATED STEEL PIPE -ALUMINIZED TYPE 2 STEEL SCOPE THIS SPECIFICATION COVERS THE MANUFACTURE AND INSTALLATION OF THE CORRUGATED STEEL PIPE (CSP) DETAILED IN THE PROJECT PLANS. MATERIAL THE ALUMINIZED TYPE 2 STEEL COILS SHALL CONFORM TO THE APPLICABLE REQUIREMENTS OF AASHTO M274 OR ASTM A929. PIPE THE CSP SHALL BE MANUFACTURED IN ACCORDANCE WITH THE APPLICABLE REQUIREMENTS OF AASHTO M36 OR ASTM A760. THE PIPE SIZES, GAGES AND CORRUGATIONS SHALL BE AS SHOWN ON THE PROJECT PLANS. ALL FABRICATION OF THE PRODUCT SHALL OCCUR WITHIN THE UNITED STATES. HANDLING AND ASSEMBLY SHALL BE IN ACCORDANCE WITH RECOMMENDATIONS OF THE NATIONAL CORRUGATED STEEL PIPE ASSOCIATION (NCSPA) w O I GASKET MATERIAL 0 CMP RISER Q SUFFICIENT TO PREVENT a SLAB FROM BEARING ON ww 3 t� cl RISER TO BE PROVIDED BY a CONTRACTOR. OB 11" TYP. Cl SECTION VIEW ACCESS CASTING NOT SUPPLIED BY CONTECH 0. A r�A Gfi B J •A #4 DIAGONAL TRIM #4 DIAGONAL TRIM �` \� BAR (TYP. 4 PLACES), BAR (TYP. 4 PLACES), _ � �� �SEE NOTE 7 SEE NOTE 7. -----�r--��- - _-I*_- --* ---sty'- - -t -- --t1 - r - It 2" COVER (TYP) --- _j__ tL---� 1 r/I rl. II`I >\ rl �� I OPENING I OPENING IN __ Iz_ �l l� /�I_____ PROTECTION PROTECTION --- fil-� -�----�'�--1*--- SLAB FOR SLAB FOR I ACES ACCESS I I -I L_ '-----IU INTERRUPTED BAR REPLACEMENT, SEE NOTE 6. SHALL BE IN ACCORDANCE WITH AASHTO STANDARD SPECIFICATIONS FOR HIGHWAY BRIDGES, SECTION 26, DIVISION II OR ASTM A798 AND IN CONFORMANCE WITH THE PROJECT PLANS AND SPECIFICATIONS. IF THERE ARE ANY INCONSISTENCIES OR CONFLICTS THE CONTRACTOR SHOULD DISCUSS AND RESOLVE WITH THE SITE ENGINEER. IT IS ALWAYS THE RESPONSIBILITY OF THE CONTRACTOR TO FOLLOW OSHA GUIDELINES FOR SAFE PRACTICES. MATERIAL SPECIFICATION NOT TO SCALE 1'_4„ 2�2„ %4" (#6) REBAR CAN BE CUT FLUSH - ALL STEEL PER ASTM A36 TO OUTSIDE OF RAIL o (BAR LENGTH = 16%") OR BAR CAN } EXTEND BEYOND RAIL %2"± ~ FABRICATION TOLERANCE: ±%a' FLAT BAR AND REBAR: MILL TYP. 3/8" VA TOLERANCE APPLIES 12" TYP. a CENTER TO CENTER $" HOLE w/ Y4" REBAR RUNG, RUNG SPACING WELD REBAR TO RUNG ON OUTSIDE OF STEEL RAIL _W 2%2" x %8" FLAT BAR SIDE RAIL PLAN SIDE NOTES: 1. LADDERS CAN BE MADE IN 20'-0" STANDARD LENGTHS AND CUT TO FIT 2. ALL MATERIAL TO MEET ASTM A36 3. LADDER TO BE HOT DIPPED GALVANIZED PER ASTM A-123 AFTER FABRICATION IS COMPLETE STANDARD LADDER DETAIL NOT TO SCALE PART NO. HALAGVL16 PROVIDE MINIMUM OF 4 ATTACHMENT ANGLES (2 ON EITHER SIDE OF LADDER RAIL) TO CONNECT LADDER TO RISER EXTENSION RISER w/ LADDER AND STEPS IF EXTENSION IS REQUIRED RISER w/ LADDER AND STEPS MAINLINE CMP 2%x%2,5x1,3x1,ETC. NOTE: THIS DRAWING IS INTENDED TO APPLY TO LADDERS INSTALLED IN RISERS HAVING A DIAMETER OF 30" OR LARGER. DUE TO SPACE CONSTRAINTS AND LIMITED ACCESSIBILITY, THE PRACTICALITY AND SUITABILITY OF UTILIZING RISERS SMALLER THAN 30" DIAMETER AND/OR INCORPORATING LADDERS IN THESE SMALLER DIAMETER RISERS SHOULD BE ADDRESSED BY THE OWNER AND PROJECT ENGINEER 0 MAX. T n L5" x 31' x%4" x 16" LONG AT V-0" SPACING. LONG LEG TO PROJECT OUT. WELD TOP AND BOTTOM OF 3" LEG TO EACH CORRUGATION CREST (THESE ANGLES SHOULD BE USED FOR LARGER DIAMETER MAINLINES WHERE ADDITIONAL STEPS ARE NEEDED) REINFORCING TABLE "BEARING O CMP A B O REINFORCING PRESSURE RISER (PSF) 24" 4'0 26°' #5 @ 10" OCEW 2,540 4'x4' #5 @ 10" OCEW 1,900 30" 4'-6"0 32 #5 @ 10" OCEW 2,260 4'-6" x 4'-6" #5 @ 9" OCEW 1,670 36 5'0 38 #5 @ 9" OCEW 2,060 5' x 5' #5 @ 8" OCEW 1,500 42° 5'-6"0 44 #5 @ 8" OCEW 1,490 5'-6" x 5'-6" #5 @ 8" OCEW 1,370 48" 6'0 50," #5 @ 7" OCEW 1,210 6' x 6' #5 @ 7" OCEW 1,270 A I I /____ r----IT---- y---� T- - - - - - -J%---- v---_-_-_ )_----- -- �I-----� I II II I J_L_____-J I i dl GO I H Ir �I If1 11 I til ��I I N I I�� `� i' } I I I I _ i III _ I S I II ���I STANDARD STANDARD REINFORCING, REINFORCING, SEE TABLE SEE TABLE ROUND OPTION PLAN VIEW NOTES: 1. DESIGN IN ACCORDANCE WITH AASHTO, 17th EDITION AND ACI 350. 2. DESIGN LOAD HS25. 3, EARTH COVER = V MAX. 4. CONCRETE STRENGTH = 4,000 psi 5. REINFORCING STEEL = ASTM A615, GRADE 60. 6. PROVIDE ADDITIONAL REINFORCING AROUND OPENINGS EQUAL TO THE BARS INTERRUPTED, HALF EACH SIDE. ADDITIONAL BARS TO BE IN THE SAME PLANE. *NOTE: WHEN RISER EXTENSIONS ARE USED, THE PLANT SHOULD CUT 3" FROM THE SIDE RAILS AS SHOWN *3" FROM BOTTOM OF LADDER O RAIL TO RISER JOINT *3" FROM TOP OF LADDER RAIL TO RISER JOINT 1 O LADDER RAILS AND RUNGS 2)Y4" FILLET WELDS 1" LONG ATTACHMENT ANC MINIMUM OF 4 ANGLES P LADDER SECTION, (2 EACH SIDE LADDER) 6' MAX. SPACI VERTICAL 6" FROM RUNG TO RISER JOINT 6" FROM RUNG TO RISER JOINT SECTION A -A RISER LADDER DETAIL NOT TO SCALE RISER NORMALLY CMP WITH 23/3" x%2" CORRUGATIONS (4) 6" FILLET WELDS FROM EACH ANGLE TO CORRUGATION CREST (2 WELD EACH SIDE) LT' x3"x3/6" 5f" LONG Q I I I I' -ter 'I I I INTERRUPTED BAR REPLACEMENT, L_ ___I1__ _1 _______11-----J I I I I I I SEE NOTE 6. I II �sl I II I I I I I I I SQUARE OPTION PLAN VIEW 7. TRIM OPENING WITH DIAGONAL #4 BARS, EXTEND BARS A MINIMUM OF 12" BEYOND OPENING, BEND BARS AS REQUIRED TO MAINTAIN BAR COVER. 8. PROTECTION SLAB AND ALL MATERIALS TO BE PROVIDED AND INSTALLED BY CONTRACTOR. 9. DETAIL DESIGN BY DELTA ENGINEERS, ARCHITECTS AND LAND SURVEYORS. ENDWELL. NY. MANHOLE CAP DETAIL NOT TO SCALE (4)Y16" FILLET WELDS FROM EACH ANGLE CORRUGA' CREST (2 WELDS EACH E (4)L3"x3"x%6" 5%2" LONG (2)Y4" FILLET WELDS 1" LONG FROM EACH ANGLE TO LADDER RAIL LADDER RAILS AM RI (4) fs' FILLET WELDS _ FROM EACH ANGLE TO ~ CORRUGATION CREST (2 WELDS EACH SIDE) _ L3"x3"xi6„ 5%2" LONG ELEVATION LADDER AND RUI �Y 0 SCOTT R. LLINS Lie. No. 035791 ,ll�;' 3/12/20 SICNAL E���0 L F_ z z w III O O U U z } O Z z F- Q > O O ��� o Z w Z 00 0 \ zJ�N O O Q � a C)� a (^ w z U) �I z z g g � Lu a w LnLn Lu 11J 0o '3'CD1-1 1-1� m m Q N .--I .--I M L9 0) z M J Z 00 O N M N O W N J N Q I Q W >uj ~ w zJ > 66 U) Lu U) F_ W O O o J Its ZQ Q U z W � � w u � W D O Ili ul j U U w CO Q Z wLL j z J Q J w _ I.J. W< 0 0 O O N w J F_ U ~ w w w 0 _ a U) JOB NO. 182150 SCALE AS SHOWN SHEET NO. 20 — — -- — — — — — — — — — 10 r r o r _T L x j L 0) x\ x o, 0 r I if Z: n�- v, p/ 7— r J/ xo�,, _V1 V- F J) 0 o 0 x\ a /Z x k/ < A 0 j V\- —A J k A,- --T - - ----- 7- T-1 x\ x, X 6 V X x_ M J Ln I k, �irrfx\ — M M n, o X L — _J/ L N A/ RIO MILLS ROAD > 0 1 10 :K ;U Z > > M 0 > r M > > M > > > M G) LA 1/f i > 7:7 6z jino- 1P �440 ------ ----- — — ---- --- -- -Mn 11or 7- --UZI ;a TA) 1W M U-) FH 44r' N,\\ Ln (Jr) 03 M M > LIJ FH >0 4W\ 4t# /T Ij - ---------- 40#1 ::7 van-, F ...... 0 %/ 4W 0\ N > 10 4# Z/ n 70T < 4f# L _7F Zi -'T J/ IIVL7z:: I _T T .................... REVISIONS , CIO DATE REVISION DESCRIPTION 0 L L I N EN INEE IN 11/19/18 INITIAL SUBMITTAL 200 GARRETT STREET, SUITE K. - CHARLOTTESVILLE, VA 22902 434.293.3719 12/13/19 REVISED PLANS PER 1/8/19 COUNTY COMMENTS 3/12/20 REVISED PLANS PER 2/28/20 COUNTY COMMENTS PROJECT CD Ln �_4 01 00 M N)o BROOKHILL BLOCKS 9 10 & 11— VSMP PLAN Nj m (-Pj > Q) M ul (z) Q) SHEET TITLE SUBAREA 2 ONE PERCENT PLAN TIt-ese plans and associated documents are the exclusive property of COLLINS ENGINEERING and may not be reproduced in whole or in per� and shall not be used for OnY purpose wlhc�soever, inclusive, bbl� no� limited to construc(ion, bidding, and/or cons�I­Llctior) skil withou� the express written consent of COLLINS ENGINEERING. Brno hil St®rmN�ater Quality Suin�nary Ta le Section Block Comm n Name SWM Facility ll Type of acility Ph achie sphorus Removal led w/proposed plan (lb/yr) Plan # Amount of Offsite Amount of Offsite Credits Created Credits Purchased (lb/yr) (lb/yr) Percent Offsite of Total (1Development Credits (%) 1 4A Apartments Pond 11 Wet Pond 4.01 WP02018001051 0 1.27 3.7% 1 4A Apa ments DP-4A Detention Pond w/ Underground Storage - WP0201800051 1 4A Apartments CDS-4A CDS Unit (Manufactured Device) 1.60 WP0201800051 1 4A Apartments LS-11 Sheet flow to open space REMOVED - WP0201800051 1 4B Apartments Pond 11 Wet P nd 0.18 WP0201800051 1 4B Apartments UD-413 Isolator Row (Manufactured Device) 3.38 WP0201800051 1 4B Apartments Pond 4B Extended Detention Pond 0.79 WP02018ob051 1 4B Apar ments LS-4B Sheet flow to open space 0.74 WP0201800051 1 - ROW O Pond 11 Wet Pond 0.18 WP020180 013 0 1.09 3.2% 1 - ROW LS-11 Sheet flow to open space REMOVED - WP0201800013 1 - ROW LS-11 Sheet flow to open space REMOVED - WPC201800013 1 8B ROW and Block 8B Pond 10 Wet P nd 5.91 WP0201800080 0.68 1.53 2.5% 1 - R W LS-10 LS-10 REMOVED - WP0201800013 1 - ROW LS-10 LS-10 REMOVED - WP0201800013 1 3 Section 1 Mass Grading Pond 4 Wet Pond P 20.56 WP02017o6037 (Amendment #2) 0.46 0 1.4% 1 3 Section 1 Mass Grading LS-4.1 Sheet flow to open space 5.14 W P0201700037 (Amendment #2) 1 3 Ice Rink ROW Pond 11 Wet Pond 0.38 WP020180 050 0.08 0 0.2% 1 3 Ice Rink ROW LS-11 Sheet flow to open space REMOVED - WP020180 050 1 3 Ice Rink ROW Pond 4 Wet Pond 0.89 WP0201800050 0.68 0 2.0% 1 3 Ice Rink ROW LS-4.1 Sheet flow to open space 0.67 WP0201800050 1 3 Ice Rink Pond 4 Wet P nd 2.20 WP0201800050 1 3 Ice Rink LS-4.1 Sheet flow to open space 1.79 WP020180l3050 1 8A Senior Li ing Facility Pond 11 Wet Pond 3.70 WP0201900004 0.01 0 0.0% 1 8A Senior Li ing Facility LS-11 Sheet flow to open space REMOVED - WP02019nonnA Section 1 Master Plan Comparison Section SWM Facility ID Phosphorus Removal propoed w/master pia (lb/Y.) Phosphorus achieved w (I Removal proposed plan /yr) Anticipated Amount of Offsite Credits Purchased (lb/yr) Anticipated Percent Total Development Of Credits (%) of site Amount of p� ffsite 1 Credits Purc)ased II (lb/yr)', Percent Of of Total Development site Credits (%) 1 Pond 4 Treatment Total 6.77 23.65 1 Pond 7 Treatment Total 8.11 BD 1 Pond 10 Treatment To al 6.94 5.91 1 Pond 11 Treatment Total 9.68 .45 1 Pond 4B Treatment To al - 0.79 1 Manufactured Devices Treat ent Total 2.62 .98 1 Infiltration Treatment T tal 21.71 0 1 Sheet Flow to Open Space Trea ment Total 9.74 8.34 Section 1 BMP Treatment Totall 65.57 52.12 Section 1 Offsite Nutrient Credits Total 6.8 3.87% 3.89 11% Section Block Common Name SWM Facility ID Type of Facility Phosphorus achieved Removal w/proposed plan (lb/yr) Plan # Amou t of Offsite Credits Purchased (lb/yr) Percent Ofsite of Total Development Credits M 2 9 Townhouses Blk 9 Wet Pond Level II Wet Pond 5.87 WP020180)086 2.1 6.2% 2 10 Townhouses Blk 10- UGD Underground Detention (No Water Quality) - WP020180 086 2 11 Townhouses - Credit Ap (Note: Wet ied from WP020 700037 Amendment #2. Pond B outfalls at perimeter of Block 11) 2.08 WP0201803086 Section 2 Master Plan Comparison Section SWM Facility ID Phosphorus Removal ro o p p wmaster la / p (Ib/yr) ed Phosphorus achieved w (I Removal proposed plan /yr) Anticipated Amount of Offsite Credits Purchased (lb/yr) Ant cipated Percent Total evelopment Of Credits (%) of site Amount of Offsite Credits Purc ased (lb/yr) Percent Offsite of Total Development Credits (%) 2 Pond' 12 Treatment To al 8.06 BD 2 Sheet Flow to Open Space Treatment Total 1.67 BD Section 2 Treatment Total 9.73 BD Section 2 Nutrient Credits Total 6.8 3.87% 1 2.1 6.2% Section Block Common Name SWM Facility ID Type of Facility Phosphorus Removal achieved w/proposed plan (lb/yr) Plan # Amou Credits (lb/yr) t of Offsite Purchased Percent Of of Total Development site Credits (%) 3 13 T D TBD TBP TBD TBD 1TBD TBD 3 13 T D TBD TBD TBD TBD TBD TBD 3 12 T D TBD TBD TBD TBD TBD TBD Section 3 Master Plan Comparison Section SWM Facility ID Phosphorus Removal proposed ropo w/master pia (Ib/yr) edachieved Phosphorus achievedw (I Removal proposed plan /yr) Anticipated Amount of Offsite Credits Purchased (lb/yr) Anticipated Total Percent Development Of Credits (%) of site Amount of Offsite Credits PurcI ased (lb/yr)I Percent Offsite of Total Development Credits (%) 3 Pond 13A Treatment Total 9.13 BD 3 Sheet Flow to Open Space Treatment Total 5.95 BD Section 3 Treatment Total 15.08 TBID Section 3 Nutrient Credits Total 6.8 3.87% TBD TBD Section Block Common Name SWM Facility ID Type of Facility Phosphorus achieved Removal w/proposed I (lb/yr) Ian Plan # Amou t of Offsite Credits Purchased (lb/yr) Percent Offsite of Total evelopment Credits (%) 4 14 T D TBD TBP TBD TBD TBD TBD 4 14 T D TBD T136 TBD TBD TBD TBD 4 14 T D TBD TB TBD TBD TBD TBD Section 4 Master Plan Comparison Section SWM Facility ID Phosphorus Removal propo ed w/master pia (lb/yr) Phosphorus achieved w (I Removal proposed plan /yr) Anticipated Amount of Offsite Credits Purchased (lb/yr) Ant9evelopment Total ipated Percent Of Credits (%) f site Amount of Offsite i Credits PurcI ased II (lb/yr), Percent of Total Development Offsite Credits (%) 4 Pond 13A Treatment Total 14.05 BD 4 Sheet Flow to Open Space Trea ment Total 0.04 BD Section 4 }treatment Total 14.09 TBD Section 4 Nutrient Credits Total 6.8 3.87% TBD TBD Section Block Common Name SWM Facility ID Type of Facility Phosphorus Removal achieved w/proposed plan (lb/yr) Plan # Amou t of Offsite Credits�Purchased (lb/yr) Percent Of of Total Development site Credits (%) 5 16 T D TBD TBQ TBD TBD TBD TBD 5 17 T D TBD TBD TBD TBD TBD TBD 5 18 T D TBD TBD TBD TBD TBD TBD Section 5 Master Plan Comparison Section SWM Facility ID Phosphorus Removal proposedachieved w/master plan (Ib/r) Phosphorus Removal w/proposed plan (lb/yr) Anticipated Amount of Offsite Credits Purchased (lb/yr) Anticipated Percent of Total Development Offsite Credits (%) Amount of Offsite Credits Purchased (lb/yr) Percent of Total Development Offsite Credits (%) 5 Pond 14A Treatment Total 4.81 TBD 5 Pond 14B Treatment Total 6.42 TBD 5 Pond 15A Treatment Total 5.16 TBD 5 Pond 15B Treatment Total 5.14 TBD 5 Pond 16 Treatment Total 11.75 TBD 5 Grass Channel Treatment Total 2.1 TBD 5 Sheet Flow to Open Space Treatment Total 1.43 TBD Section 5 Treatment Total 36.81 TBD Section 5 Nutrient Credits Total 6.8 1 3.87% 1 TBD TBD Overall Treatment Total 141.28 1 52.12 Overall Nutrient Credits Purchasedi 34 19.37% 5.99 17.62% Plan 175.56 Anticipated Treatment Total With SWM Master Notes: 1. Even though we are currently only proposing to purchase 34 Ib/yr or 19.37%, the total offsite credits available for purchase are 25% of the total 175.56 Ib/yr required for the development, or 43.89 Ib/yr 2. Actual credits purchased to date are 2.36 lb/yr. 3. Credit amount approved to be purcased with Block 80, but not yet purchased, is 1.53 Ibs/yr. of phosphorous (WPO 201800080). 4. A minimum phosphorous removal rate purchase of 2.10 Ibs/yr is required with this plan (WPO 201800086). AM FLU} 3 DIFFUSED AERATION SYST111 SPECIFICATIONS PURPOSE: The diffused air, aeration manufacturer shall provide an underwater aeration system desiglrred to aerate, de -stratify, and circulate water without dlsturbing the natural surroundings u-f the lake environment_ SCOPE. The diffuwd air, aeration package Shaul he capable of being installed in lakes deeper than aft (I m). PAQCA:GE This aeration package shall include the fallowing @quipmerrr: a. Air compressor cabinet enclosure. To liti€hide compressor(s), circuit disconnect, and air flow balancing valve manifolds. To be designed to iiperate an either: L MHz power. 115/208/230 volt, single phase i1. 5011z povrer, 2201240 volt, sIngre phase h_ Airy -Oxygen disc diffuser manifolds e_ Tuning GABINETIENCLASURE: C) 1 Compressor. Q 2 Compressor SPECIFY: its volls so - Hi DIFF-MER I4ANIFOLD(5): JSWgie or 17araf Disc1 Quantity Type Single Disc Manifolds) 4 _. Dual Disc Hanifold(s) ra f rillt,; J y wwwGilarbine•Gorr. aor,1�y Grflg,7Cta ls. TUBING: lAvaar abda irr 100ft 0Vm? Wrehftrlril Total required Lubin for tern: ota re�9 d g yes -_ feet ( rn) Non -weighted palyvi"t chloride tubing Nei (_- rn) Weighted potyethviene rhloride tubing Tubing lengths per diffuser manifold: --- a feet 0 metiers) Non -weighted tubing lD feet (OI mtttrs) weighted tubing PISTON AIR COMPRESSOFU (for lakes aft O rn) deep or larger) The air €ompressoKs) shall ire• al 1/2HP rocking oston.du-al frequency. permaneni 5plitca9acat0r(p5c) electric motor with Dilless lubricarionrdirectdriw@! (no belt5 w pulleys), designed forfield service capability. pxlyureahane rust pro#ectlan. and eai n ode th4 f II cvirag motor protection; thermal overload protectloln, and Intake air filter. The serviceable parrs: piston cuffs, rerainer scn;ws, Lylinder 4-rings, bead 4-ri ng5,, valve and valve retainers. slwuld last two years In €ontlnuous operation, These: maintenamt parts shall be replaceable Aith commion tools. Phase consult yiwr Itxal distributor if you require assistant in chooSing sixes, accle55aries, or applicatilons_ flab COMPRESSOR R CABINET ENCLOSURE: a. Ca bilnet body and cover cemstru€tion shall be 18 gauge (0-048in/4-122cFn) 3% stainless steel, and Include EPI)M edg"nip Seal b• Ca Wriet cooling 'system to consist cif two (2) axial exhaust fans and vented Intake louvers on the lbottlorn of the cabinet to provide i n air exchange rate of 410-490 UM e, (Compressor -Intake a'Ir to be quick change cartridge type fjlters d, 'Catiinettmlosure s+ecuod bystalnless steel latch to accomadate locking mechanism fur Fla 8 au1ed flir 5v5t1:m 51le9ficat IM5 (:Page 1 of 2 AF3- 4 ; Pill 03-3242 ORPF'ROVED EQUAL - - tVA � f'� r , -I..�� 4r��hf&�L"�•- �'�. - ��. ' •.�"''�. lays:. 1 ��+�'�r'}� ��y { F ' y _ M, All Fla( DIFFUSED AERATION U No clectrIcai parts in water, safe far re€matinual use- 1.metres iel} energ}. efficient and cost effective. 1 a n(350ML_'1 discs U(, coatcd to pro%idc non -StICIL N,vTf ce and offer higher efficiencies throughout lifreeycle. Operating deptl3s up to 40fk+ or 12.2m+. 2 ear all • inciusi%v warra°a nty. Complete package includes cabinet with compressor(s), filter and valve manifolds, of d diffuser manifold(s). r. 4afcty tested and listen w -ith rn & ETL-C, cori.furaiin8 tot LDL standards; and carrics a 31d pirty hstin; w1th CE, aP pl .rl did iLSr{ S t'47Lke t7rkfer Parftsl tibki%'araF'r�k Cpnpr.,.v{E} �sx� --Pad serh An ta'1 -pn---� AryY,ar -. 3 I r 9h�1'f.7,r5p AP4. Lir L 11 270fa,A1b Ara L32 1 2 a3'Qr3-RrSV _..,.AF3-L2:•: _ 7 2 4F3-241 _ # t kn-261 G I G ,i-i.zel 6 i � y�Srs.1V� u3. 2:i3 2 2 Z34 4.3'10 ar3.2y2 3 P 6.�-. iiQVlNSB AF3=L1Y d d I AF3-29E-- H- 44 PIN 03-3242 OR GwWressw Cit lm I` Slight an'c wanrud I PRODUCT ILLUSTRATIONS . JUr Flo I Pes.ned Air!rwms nwTp lw 113w spCess r«b,.p p,1-, cow pr..a-a .dar..p ra q..d-V d.plh.. µ} _ ea in& hi 12a. Yana,,.. ®,r -th wMad.anep 12m<3nJH. 1d- ,� ddl;d" marxralds N Wt tr dash NY-, ­Idd hoar 1..o ttr wd er high drn oe pdres kh a plrwc arts .co K ax Wiwi ckanreld F[e ac .` k,.el 7alr9 ai'4rl9s titlM1 n4 lr+xal4.I.m N ErOmncrd Yd gaupla 36i MV415S 59MI C&IM eb SW a1,y51tRrr 91Sr++971W!S3131VM.W4Aftaii-lAlrr tpralw d rrrphA d ptrvk*ip �••' r,'nwmcl irai law allmh atirrri romwnl ra al wwrm IF �f Yon a 151r. 211 ILL Ki tar. 4 Ilsh. Q f" L~ Cbnrt [nduavv.lwn n Md- (21-1.10-Ihaj&- IT omuhmmltd b-fr. Err 13wt Gnim Lw l.d.rll. al .� Olt rase of 2t5 urns W enburle. • VWn waikimI.LaL z m kw Labetr i&m For raft r cApararo-nc?nmAeFlo 1s'rsrswl Cshiare tatlna-r --d 6r ,+s.At ss Reel 12mh n,a a Kow4 oddim a Ylrtihq AHNhii- C-pail. p-jk 1.-1.n'1wrd•rrpnr,a and Imed 1.ILh ETL y iSd En. 1. ha9liRr Fir Ih. Ea"W U,Kal V+ 115051 rNY I15VAd. t AWDobd.ar-d wrf CK Ken&%<WDr. lann.,m ow-lry 4koh yw '.o..'.w�p-bd r•'pr.jAai p is proSud.ad. rg-d 2, piukpa d.l-h. n = Fraiucr si�+Slfitlatr'�3' alhsl G4A2 ran �e Adh'+a� rhrL,7wgb www artcrhlhe.cdrrl ar o-ww^.cmWerailfr.com APPROVED EQUAL AIRIOXYGEN DIFFUSER MANIFOLD1 The air}aatygen disc diffusers shall include, but not be limited to, the following materiat5 of [OnsLtuCtloSn: a, Disc tgpe 12in CSSprnlm) rnernbrane diffuls n allow for max1mum 12CFhi and are resistant to Ozone and UV b, Membrane material co he premium q.u.ality compression, molded EPCIM with an oll content of less than 32% r. Diffv5ermembrarles should havea rnlnirnum of 10.155 silt periloratlonsand be m least 70%hydroa•plilillc. with tens1lle strength at 2000 psi d. DIffuset to cor sl.t Hof merm brine with integral gasket, hue, rl tainimq ring, and air flaw mirrirrll erifie@ e, Membrane shall col lapse and seal when aeration system air is turned off f. Seallnq methai of retaining device Shall generate a minimum of 50 pounds per inch/58 1tglem of cir€urnrMn€e of th42 sealing gasket to prowIde a tang term positive 5eal and to prevent alr escapes g. DiffuAer Base and regain ling ring to be constructed of polyprapylene with oganec UV stabilizers and a tensile strength of 540() psi h. Diftmer to have (me 3/4in (25(m) ronnlealon method to manilcld i. Each diffuser shall include a manifold that wl11con nett up to rwa (2) air-dlses to the air Supply tubin-g j. Manifold bare shall be cDnstructed of high -density polyethyrlene plastic and In€omrperate ballast channels for koml sirliking of padt turf 1g 111 t11atl9n WEIGHTEr) POLYVINYL (CHLORIDE TIU.alNCi: Tubiny shall be+consurvcred of heavy, negative buoyancy, polyvinyl chloride (PVC) maternal, The PVC tubing shall he 1,t2" (1 cin) with a minimum wall thickness of 1/4" (.64 €rrl). Pressure rating shall be 225 psi at 700 F Q1 o C). Coll len-gths shall be I QOr (30 m), with a weight: per 100' (30 m) of 43lbs (20 kg). TuNK shall be 5elf-5irlking, lead Iree, and contain carbon kplack for LIV proterfinn. P1e13A t0nsult your local distritwtor for additional Informa6cin. NON -WEIGHTED POLYETHYLENE TUBING The po"thylene tubing shall be 1/2in (Icrn) with a minim urn wall thitknesis of _0641 (1.5mm). Pressure ratlnq shall be 100 ip5i at 73 F (22 Q, Coil length 5 strap be 100' (30 M), with a weight per 1 04ft t3Om) of 11 16s (5 kg). Tubing shall ea main 296 carbon black for long term UV peotectlim. Ptease consult your local distributor for additional Information, INSERT FrMNCL- Insert PLUings are used to repair, adapt. or connect with the polyethylene tubing. Fittings available shall In€lude line size couplirrg5, mate adapters, and elhow5_ TESTING: A. Safety • The aerator systern shall be tested and approved a5 a unit, separate cwponent testing not allowed, unit roust be tested by ETL, ETL-C, ICI_ UL or rath er leereditldd testing I'Af litie5. B. 4deemance - Uri It must have Independent performamu! testing provided by GSEE. MANUFACTURER.- The diffused air, aeralitarl system shall be Air Fib 3 System* -- as rnanufactured by Otter bine 6arabo, rne.,3840 MAIN ROAD EAST, Emmays, PA 104q U-SA PH. El fl 965.601 S. or appi axed equal. For approved equal status, supplier shall provide the fallowing information to the project designer, within 10 days of the bid opening date, for wr itten approval. WARRANN, The aeration system shall inorlude a two year warranty an the air compressor, air diMrser and , SYSTEM 7• a of � IComplraessor(s) - olffuser Pad(s) * Discs per Pad a Disc per' systllm ltalU`a n1ltlHz RWZ1 a _ a 1 2 1 _ 2 3 4 2 4 11 Sr 4 ?rf.d 230i'M�iK AF3-r 33 ,i 1a11 AF3-112 AF3.122 AF3.741 a 4 AF3 Sri 1 6 1 6 AFI.281 _ $ 6_ Af 3-,22? d 2 1 1 # 23rr14.7150 AF.3-232 � d 5 Z2iFli.fii54 1 a AF3.242 di k AF3.262 6 1 F underwater tuba ng, AF - 42; PION 03-3242 OR APPROVED EQUAL Air Ftct -1 Diffused Air Swsrem Speciricadons I Pave +< of 2 SCOTkR.LINS�� Lie. No. 035791 3/12/20 'SI ONAL V: �A rn z z w w O O U U z O O Z�.,�a,o ui un 00 o 00 N N O O Q oc cn Z w a 0� w w z � to � z z Q 0 w 0 1J3 W >� C � °n rs o w QT-f ,M-1 N J_ Q CY) L9 _ z w [` < (y) O 0 N Q IIIIIIIIII� CY) w � � Q I 06 N W C) CY) > W J N m N WQ > W W V J z J Q > C6 J W � to O L9 _j O V Z_ U (� Q t V / W a W U LU � F__ LnU)p Q W Z W O F F- ® U J cn J = W = W Q O cD O 0 c) ry C)O m N � J _j Lu < -i -icy l- w F- W LU 0 w ii)O JOB NO. 182150 SCALE NONE SHEET NO 22