HomeMy WebLinkAboutWPO202000037 Plan - VSMP 2021-07-19GENERAL NOTES
OWNERS: TMP oggoo-oo-oo-oogoo
GALAXIE FARM INVESTMENTS, LLC
600 EAST WATER STREET, SUITE H
CHARLOTTESVILLE, VA 22902
TMP oggoo-oo-oo-oi5oo
GALAXIE FARM INVESTMENTS, LLC
600 EAST WATER STREET, SUITE H
CHARLOTTESVILLE, VA 22902
DEVELOPER: RIVERBEND DEVELOPMENT, INC.
45S SECOND STREET SE, SUITE 400
CHARLOTTESVILLE, VA 22903
ENGINEER: COLLINS ENGINEERING
zoo GARRETT ST, SUITE K
CHARLOTTESVILLE, VA 22902
TAX MAP: 09100-00-00-00900
D.B. 544S, PG. So
5.og ACRES
09100-00-00-01500
D.B. 544S, PG. 54
8.27 ACRES
ZONING: PLANNED RESIDENTIAL DEVELOPMENT (PRD) WITH ENTRANCE CORRIDOR OVERLAY
DISTRICT (EC) AND MANAGED & PRESERVED STEEP SLOPES OVERLAY DISTRICT
PRD ZONING WAS APPROVED BY THE BOS ON DECEMBER 4TH, 2019.
TOTAL PROJECT AREA: oggoo-oo-oo-oogoo - 5.og AC.
09100-00-00-01500 - 8.27 AC.
TOTAL = 13.36 AC
PROPOSED USE: 65 TOTAL DWELLING UNITS
(43) SINGLE-FAMILY DETACHED UNITS
(6) TOWNHOUSE UNITS W/ ACCESSORY UNITS (12 UNITS TOTAL)
(io) TOWNHOUSE UNITS
NOTE: THE TYPICAL NUMBER OF BEDROOMS IN THE TH UNITS WILL BE (3)
BEDROOMS. THE (6) BASEMENT ACCESSORY UNITS WILL BE i BEDROOM UNITS
& THE UPPER TH UNITS WILL BE 2 BEDROOM UNITS.
(10) - 3 BEDROOM UNITS, (6) - 2 BEDROOM UNITS, & (6) 1 BEDROOM UNITS
THE SINGLE FAMILY DETACHED UNITS SHALL HAVE (3) OR (4) BEDROOMS.
ALLOWABLE DENSITY: 65 UNITS PER APPROVED PRD REZONING & APPLICATION PLAN
65 TOTAL DWELLING UNITS/13.36 ACRES = DWELLING UNITS/ACRE
PROPOSED DENSITY: 65 DWELLING UNITSh3.36 ACRES = 4.42 DWELLING UNITS/ACRE
OPEN SPACE: REQUIRED: 3.83 ACRES PER APPROVED PRD REZONING & APPLICATION PLAN
PROVIDED = 4.31AC
OPEN SPACE A: o.24 ACRES OPEN SPACE D: 1.2S ACRES
OPEN SPACE B: 0.44 ACRES OPEN SPACE E: 2.44 ACRES
OPEN SPACE C: 0.04 ACRES
NOTE: OPEN SPACE TO BE OWNED AND MAINTAINED BYTHE HOMEOWNERS
ASSOCIATION. ALL OPEN SPACE SHALL BE RESERVED IN A DEED FOR COMMON
USE OF LOTS OWNERS IN THE SUBDIVISION.
RECREATION AREA: OPEN SPACES D & E SHALL PROVIDE PASSIVE RECREATIONAL AMENITIES,
INCLUDING A WALKING TRAIL ALONG THE STREAM AS SHOWN ON THE SITE
PLAN SHEETS. ACTIVE RECREATION SHALL BE PROVIDED WITHIN OPEN
SPACE B, INCLUDING A GRASS RECREATIONAL FIELD, MEETING AREA, AND
PLAYGROUND EQUIPMENT.
TOTAL RECREATIONAL AREA REQUIRED: zoo SF x 65 UNITS = i3,000 SF (0.3o AC)
TOTAL RECREATIONAL AREA PROVIDED: ig,i67 SF (0.44 ACRES)
BUILDING HEIGHTS: NO MINIMUM HEIGHT REQUIREMENT.
MAXIMUM - 35 FEET PER PRD REZONING APPLICATION PLAN
SETBACKS: FRONTSETBACK: 5'MIN.
SIDE SETBACK: S' MIN.
REAR SETBACK: 20' MIN.
GARAGE SETBACKS: i8' MIN.
NOTE: FRONT LOADED GARAGE UNITS, THE PORCH OR BUILDING FACE SHALL BE
A MINIMUM OF 3 FEET CLOSER TO THE STREET AS MEASURED FROM THE FACE
OF THE GARAGE DOOR.
SUBDIVISION STREETS: CURB & GUTTER
WATERSHED: MOORES CREEK
AGRICULTURAL/FORESTAL DISTRICT: NONE
TOPOGRAPHY & SURVEY: BOUNDARY AND TOPOGRAPHY INFORMATION WAS PROVIDED BY ROGER RAY &
ASSOCIATES, INC IN FEBRUARY, 2020. FIELD VERIFIED BY COLLINS ENGINEERING
IN FEBRUARY OF 2021.
DATUM: NAVD88
EXISTING VEGETATION: PARTIALLY WOODED WITH (2) EXISTING RESIDENTIAL HOUSES
PRESERVED/MANAGED SLOPES: MANAGED AND PRESERVED STEEP SLOPES ARE SHOWN WITHIN THE
LIMITS OF THE PROPERTY. SEE EXISTING CONDITIONS SHEET 2 FOR LOCATIONS.
LIGHTING: NO LIGHTING IS PROPOSED.
PARKING: TWO (2) OFF-STREET PARKING SPACES ARE PROVIDED FOR EACH DWELLING
UNIT AND (i) OFFSTREET SURFACE PARKING SPACE IS PROPOSED FOR EACH
ACCESSORY UNIT. ADDITIONAL PARKING SPACES PROVIDED ALONG THE
PROPOSED ROADWAYS.
PARKING REQUIRED:
59 RESIDENTIAL UNITS = 118 PARKING SPACES
6 ACCESSORY UNITS = 6 PARKING SPACES
22 ATTACHED UNITS x (i PARKING SPACE/4 UNITS) = 6 SPACES
TOTAL PARKING REQUIRED: 130 PARKING SPACES
PARKING PROVIDED:
GARAGE PARKING SPACES: 53 GARAGE PARKING SPACES
DRIVEWAY PARKING SPACES: 65 DRIVEWAY PARKING SPACES
SURFACE PARKING SPACES: 6 SURFACE PARKING SPACES
6 ONSTREET PARKING SPACES: 6 TOTAL ONSTREET SPACES
TOTAL PARKING PROVIDED: i3o SPACES
BUILDING SITES: EACH LOT CONTAINS A BUILDING SITE THAT COMPLIES WITH THE
REQUIREMENTS OF SECTION 4.2.1 OF THE ALBEMARLE COUNTY ZONING
ORDINANCE.
LAND AREAS: OPEN SPACE: 1887,744 SF 4.31 ACRES (32.3%)
LOTS: 265,375 SF 6.o9ACRES (48.36%)
ROW DEDICATION: 128,464 SF 2.95 ACRES (22.1%)
PROPOSED IMPERVIOUS AREAS: ROADS: 6o,634 SF
SIDEWALKS: 21,500 SF
BUILDINGS, PATIOS/DECKS: io8,37o SF
DRIVEWAYS: 22,940 SF
TOTAL IMPERVIOUS AREAS: 213,444 SF (4.9 ACRES)
BURIAL SITES: NO CEMETERIES WERE FOUND DURING FIELD INVESTIGATION OF THIS
PROPERTY.
FLOODPLAIN: THERE IS NO FLOODPLAIN LOCATED ON THIS SITE. FEMA MAP ID 51003CO426D
DATED FEBRUARY 4, 2005.
LANDSCAPING: A LANDSCAPING PLAN WILL BE 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 4o' ALONG THE ROADWAYS.
RETAINING WALLS: RETAINING WALLS ARE PROPOSED WITH THIS PROJECT. SEE GRADING &
DRAINAGE PLAN FOR WALL LOCATIONS.
TRASH SERVICE: 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 PROFFERS.
TOTAL PROPOSED NUMBER OF AFFORDABLE HOUSES: io UNITS
SEE LAYOUT SHEETS FOR LOCATION OF AFFORDABLE UNITS.
PHASING: THIS PROJECT SHALL BE DEVELOPED IN ONE PHASE.
TMP:
09ao0---00-°0300
OWNER:
COUNTY OF ALBEMARLE
SCHOOLBOARD
ACREAGE:
n5.96 AC
ZONING:
R. RESIDENTIAL
D.B./PG.:
no96/737
GALAXIE FARM SUBDIVISION �
VSMP PLAN
(AMENDMENT TO WP02020IIIIIIIIIIII00037)
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n� TMP: o9v1a-00-o0 000Eo
OWNER: AVINITY ESTATES LLC
ACREAGE z24AC
ZONING PRD-RESIDENTIAL ,
D.B./PG. 5n41676 h
L
SCOTTSVILLE MAGISTERIAL DISTRICT
ALBEMARLE COUNTY, VIRGINIA
TMP: 0
9aoo-oo-00-0.00
OWNER: COUNTY OF ALBEMARLE
/L SCHOOLBOARD
✓� ACREAGE: i5.8o AC
`\ ZONING: a RESIDENTIAL
5
O.B./PG.: a5818/6zo
SOT \ \
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TMP: o9aoo-oo-00.026Do
OWNER: SCOTTSVILLE ROAD / <°
HOLDINGS, LLC
ACREAGE: unAC
ZONING: Ru RESIDENTIAL
D.B./PG.: 3�5717M ,
BURIAL SITES
NO CEMETERIES WERE FOUND DURING A FIELD INVES77GAT70N OF
THE SITE.
STREAM BUFFERS
THE STREAM BUFFERS SHOWN HEREON SHALL BE MANAGED IN
ACCORDANCE WITH THE ALBEMARLE COUNTY WATER PROTECTI0N
ORDINANCE
BUILDING SITES
LOTS 1-59 SHALL EACH CONTAIN A BUILDING SITE THAT COMPLIES
WITH SECT70N 4.2.1. OF 774E ALBEMARLE COUNTY ZONING
ORDINANCE.
PRIVATE STREE T•
VERA RUBIN PLACE IN THIS SUBDIVISION MAY NOT MEET THE
STANDARDS FOR ACCEPTANCE INTO THE SECONDARY SYSTEM OF
STATE HIGHWAY AND WILL NOT BE MAINTAINED BY THE DEPARTMENT
OF TRANSPORTATION OR THE COUNTY OF ALBEMARLE.
OFFS17F DISTURBANCE..
OFFSITE DISTURBANCE IS PROPOSED WITH THIS PLAN ON THE
ADJACENT AVINITY ESTATES PROPERTY, WHICH IS ALSO OWNED BY
THE SAME DEVELOPER.
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TMP:
091oo-00-00.m000
OWNER:
COUNTY OFALBEMARLE
SCHOOLBOARD
ACREAGE:
8.33 AC
ZONING:
Ri RESIDENTIAL
D.8/PG.:
i9791044
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GENERAL BUILDING DEPARTMENT NOTES.,
1. WHERE THE FLOOD LEVEL RIMS OF PLUMBING FIXTURES ARE BELOW THE ELEVATION OF THE MANHOLE COVER
OF THE NEXT UPSTREAM MANHOLE IN THE PUBLIC SEWER, THE FIXTURES SHALL BE PROTECTED BY A
BACKWATER VALVE INSTALLED IN THE BUILDING DRAIN, BRANCH OF THE BUILDING DRAIN OR HORIZONTAL
BRANCH SERVING SUCH FIXTURES. PLUMBING FIXTURES HAVING FLOOD LEVEL RIMS ABOVE THE ELEVATION OF
THE MANHOLE COVER OF THE NEXT UPSTREAM MANHOLE IN 774E PUBLIC SEWER SHALL NOT DISCHARGE
THROUGH A BACKWATER VALVE.
2. DUE TO REQUIRED DISTANCES FROM LOT LINES AND STRUCTURES AS REQUIRED BY THE NFPA, UNDERGROUND
PROPANE TANKS MAY BE PROHIBITED. THE BUILDER/DEVELOPER SHALL PLAN ACCORDINGLY.
J. RETAINING WALLS GREATER THAN 3' IN HEIGHT REQUIRE A SEPARATE BUILDING PERMIT. WALLS EXCEEDING 4'
IN HEIGHT REQUIRE A STAMPED ENGINEERED DESIGN. WALLS CROSSING LOT LINES REQUIRE AN EASEMENT
4. ALL WATER LINES, SEWER LINES, AND FIRE LINES FROM THE MAIN TO THE STRUCTURE MUST HAVE A VISUAL
INSPECT70N PERFORMED BY THE BUILDING DEPARTMENT
NO TES:
1) THIS PROPERTY DOES NOT LIE WITHIN AN AGRICULTURAL AND/OR FORESTAL DISTRICT.
2) ONLY (1) DWELLING PER LOT SHALL BE PERMITTED.
3) STREET TREES SHALL BE PROVIDED ALONG ALL THE PUBLIC STREETS 40' O.C. IN ACCORDANCE WI7H VDOT
AND ALBEMARLE COUNTY STANDARDS.
4) THIS PROPERTY IS NOT LOCATED WITHIN A DAM INUNDA77ON ZONE.
5) ROADWAYS AND PAVED CIRCULA77ON AREA = 60,634 SF.
70 RICHMOND
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IN1ERS�A�E
PIEDMONT
VIRGINIA
COMMUNITY
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MILL CREEK
MONTICELLO HIGH
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PROJECT
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VICINITY MAP:
SCALE: 1" = 2000'
Sheet List Table
Sheet Number
Sheet Title
1
COVER
2
EXISTING CONDITIONS
3
EROSION SEDIMENT CONTROL NARRATIVE, NOTES & DETAILS
4
PHASE I EROSION & SEDIMENT CONTROL PLAN
5
PHASE II EROSION & SEDIMENT CONTROL PLAN
6
PHASE III EROSION & SEDIMENT CONTROL PLAN
7
PHASE IV EROSION & SEDIMENT CONTROL PLAN
8
EROSION & SEDIMENT CONTROL DETAILS
9
OVERLOT GRADING PLAN
10
OVERLOT GRADING PLAN
11
ESC BYPASS STORM SEWER PLAN & PROFILE
12
STORMWATER MANAGEMENT PLAN
13
STORMWATER MANAGEMENT PLAN DETAILS
14
STORMWATER MANAGEMENT PLAN DETAILS
15
CULVERT DETAILS
16
DRAINAGE PLAN FOR BYPASS STORM SEWER
16 TOTAL SHEETS
EROSION CONTROL * RsEDIMENT cONTROL
HANDBOOK SPECInCATION NUMBER
CE
CONSTRUCTION ENTRANCE
3.02
CR
CR
CONSTRUCTION ROAD
J.03
STABILIZAT70N
SF
SILT FENCE
3.05
x x x
ST
SEDIMENT TRAP
3.13
SB
SEDIMENT BASIN
J.14
OP
OUTLET PROTECTION
5.18
RR
RIPRAP
J.19
CD
'
CHECK DAM
3.20
TS
TS
TEMPORARY SEEDING
3.31
PS
PS
PERMANENT SEEDING
3.32
OTREE
PROTECTION
3.38
DC
DC
DUST CONTROL
3.39
•
PUMP AROUND DIVERSION
APPROVED
by the Albemarle County
Community Development Department
Date 9/28/2021
File WP0202000037 - Amendment #1
1T
Lie. No. 0357911'n
7/19/214�
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JOB NO.
202194
SCALE
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SHEET NO.
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NOTES: /
1. THIS PROJECT IS NOT LOCATED WITHIN FLOODPLAIN LIMITS, /
BASED ON FEMA MAP NUMBER 51003CO426D ADOPTED
FEBRUARY 4, 2005.
TH oil
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. �SCOTT RLINS�
2. TOPOGRAPHY AND BOUNDARY SURVEY PROVIDED BY ROGER I / \ / / / / / O -
W. RAY & ASSOCIATES, INC IN FEBRUARY 2020. E
/ / i) Lic. No. 035791,
TOPOGRAPHY HAS BEEN FIELD VERIFIED IN FEBRUARY 2021. ✓ / °�, 7/19/21 c4
/ 3. PRESERVED AND MANAGED STEEP SLOPES ARE LOCATED ON o I / \ A�SSE�ol THE PROPERTY AS SHOWN. NO PRESERVED STEEP SLOPES \ / / toNa1
ARE IMPACTED WITH THE PROPOSED DEVELOPMENT.
/ MANAGED SLOPES SHALL BE IMPACTED IN ACCORDANCE I \ / / / / \ TMP: 09100-00-00-01000 \ TMP: ogioo-oo-oo-oosBo
WITH ALBEMARLE COUNTY REQUIREMENTS AND REGULATIONS. I I OWNER: COUNTY OF ALBEMARLE / OWNER. COUNTY OF ALBEMARLE
— 4. 100' WPO STREAM BUFFER IS SHOWN. / \ SCHOOLBOARD \ J / ACREAGE: 8.34 AC j
\ ACREAGE: 8.33AC / / ZONING: RiRESIDENTIAL
5. EXISTING WELLS SHALL BE ABANDONED PERMANENTLY IN \ ZONING: Ri RESIDENTIAL D.B./PG.: 1979/044
ACCORDANCE WITH THE VIRGINIA HEALTH DEPARTMENT / D.B./PG.: 1979/044 /
GUIDELINES AND REQUIREMENTS, AND IN ACCORDANCE WITH
12VAC5-630-450.
\ / EXISTING STREA
I ,
A EXISTING POLE AND OVERHEAD /
z
� EXISTING TREELINE � POWER LINES TO BE REMOVED _
J
EXISTING COUNTY /
/ EXISTING GRAVEL A PRESERVED / A yx
/ wM
STEEP SLOPES / /� z wROAD TO REMAINS_
CHORD BEARING
CHORD DISTANCE
LINE RADIUS
LINE LENGTH
C1
S75040'51"W
149.57'
5689.58
149.57'
C2
S76°48'59"W
25.09'
5689.58
25.09
C3
S73032'54"W
173.95'
1472.4
174.05'
`off \ � / � � 1 e // /
/ /� ,E 4m 5 \ y EXISTING ioo' / �...�
N76'260.4 ;f 42 /
/ 60.43 � � 5665 � \ � / / , / STREAM BUFFER
\ _ EXISTING BUILDINGS � /
/ /
_ W o �
TO BE REMOVED / � � x' � � % /
ROPERTY LINE
TMP: 09100-00-00-012Ao
i
\ OWNER: THOMAS,DANNYBSIR =� 1
---_ ACREAGE: o.5iAC / TMP: COUNooOFAL oo �� CON
ZONING: Ri RESIDENTIAL ) OWNER: COUNTY OF ALBEMARLE /
WBIPG.: 176/131 / / SCHOOL BOARD
ACREAGE: iS.BoAC
ZONING: Ri RESIDENTIAL--
\ / Iz D.B./PG.: 5258/620
'
i EXIS IN� O
i
' Ro EDTE�E SLOPES /
EXISTING POLE AND OVERHEAD'
< A \
POWER LINES TO BE REMOVED
\ V i
I ��
as 0000, s
r
V �PROPANE EXISTING SANITARY SEWER
TO BE
^98 EXISTING
BE REMOVED \ ( L}}T�A r TO REMAIN
\ r, \ - / / _t — BE AB D,OnJtO yo r-c Z
v (/ r o
EXISTING CULVERT �- `�\ � � \
S TO BE REMOVED
,� � � � � � �� � EXISTING GALAXIE FARM
LANE ROW TO BE VACATEDuj
> >•. LIMITS OF PAVEMENT DEMO (2 z) EXISTING PAVED DRIVEWAY \ / /� J 2o' ROW, io' PAVEMENT
/ / O O D.B.i 8- o z PLAT
TO BE REMOVED / NG PAVED DRIVEWAY, �/ / 9 59 ,59
PROPERTY LINE � y s3 �Oo� / �� r f0 BE REMOVED fi� D.B.zi9-3S7 PLAT C)
/ s 76°33'43"w D.B.zi9 367
/
—Zzoe2� �s rs]' - 0 25.43' TiE D.B.619-366 368 PLAT
- - - _ M E 3g4.85 "� / -.. Q / 6 . N�175.75— _ .. ,
TMP. o910o 00 00 013oo ��I r �/ GALAXIE LAN / / EXISTING
BOUNDARY'
S " �� ? /Lu
OWNER: COUNTY OF ALBEMARLE
J��/ - �5139Z9E
SCHOOLBOARD V s S43' _ _ I _ S60"3/ s, ,r- ��-- 2 02 �_ �` IF 179.19'
j' J / (20 2 / ) �� -
j ACREAGE: i5.96AC 953" 47•5 5" 126.9 / ��' ���W6� ���iii 7.y o _ �
ZONING: Ri RESIDENTIAL �- r 3�. T (Y1
// _
/ / / EXISTING TREELINE \ / EXISTING BOUNDARY S9 35� / / / J �o
D.B./PG.: iog6/737
_ �007��� iF O �� PORTION F EXISTING GUARDRAIL
/ � TO BE REMOVED -�3�^E (3 TO BE REMOVED
r EXISTING FENCE r TO BE VACATED �� 65� N
TO REMAIN / / r s ° /CO NTYDEFINED��� \
s EXISTING TREELINE / / / r EXISTING FENCE MANAGED STEEP
J I
\ / /� / / / / / r / / TO BE REMOVED SLOPES, TYP.
TO BE REMOVED � / / / / o
EXISTING FENCE z / ( — / /� r / SA zo' PERMANENT ACSA a \ Q
r / / / SANITARY SEWER EASEMENT
/ / / EXISTING BUILDINGS z
— / / / / TO BE REMOVED I (D.B.3179-90, 95) PLAT
TO BE REMOVED \ j1° / / / / EXISTING � � „� � � \
\ \ EXISTING TREELINEi / / /� / �/ / / CHANNEL
r \ TO BE REMOVED
EXISTING COW
BRANCH STREAM
EXISTING GRAVEL DRIVEWAY
/EXISTING BUILDINGS
TO BE REMOVED J /
/
TO BE REMOVED
TMP: o9iAo-oo-oo-000Bo / ��/ ( 8 I A
r r OWNER: AVON PROPERTIES, LLC/EXISTING FENCE \ ne
ACREAGE: o.83AC / / /�/ / / / TO REMAIN �� "�J� - -�'� a l� ��-.. �� Y rr '-� U
/ ZONING: PRD-RESIDENTIAL o / _ I EXISTINGioo'
D.B./PG.: / r PROPERTY LINE STREAM BUFFER �J
4894/zz8 --, � / / / � � O �,y ��r � � TMP: ogioo-oo-oo-oi800 < �H/��
5 .5 915. -. - -'� Y J �/ �/ OWNER: WOOD, NDELLW V /
J
- ert_. \ o`O \ZONING: RURAL C W U H�
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D.B./PG.: 17271674
,�� = /gym /� H X
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EXISTING SANITARY- -EXISTING UNDERGROUND g w
SEWER TELEPHO NE LINE —osti `/ / �— / ul con
iAi-oo-oo-0 )0Eo �: -TMP: o 9 = � EXISTING iz"
1 / -- \ TMP: ogioo-oo-oo-oi6Do ����/ j� / /'►
OWNER: AVINITY ESTATES, LLC _�� � v /
ACREAG E: z.24 AC �� WATER \ OWNER: HOLDINGS,
4 I ( W
ZONING: PRD RESIDENTIAL � � \ I BENCHMARK
_ — - HOLDINGS, LLC
�D. B./PG : 5iz4/676 _ / / � I TOP OF SEWER
�� ACREAGE: 2.22 AC
Ri
ZONING: Ri RESIDENTIAL I 9 MANHOLE / _
TMP: o ioo-oo-oo-oi6Ai / / / \\\ �
\\B./PG.: 3z57ho2 OWNER: ALBEMARLE CARTER ELEV:473345MOUNTAINS ,
ZONING: R R
348o/o68ESIDENTIAL MANAGEMENT CO \6
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JOB No.
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GRA HP IC -SCALE V A 202194
W SCALE
aI o ao eo 20 ztA
\1 ill =60'
IN FEET) A \ SHEET NO.
EROSION & SEDIMENT CONTROL MEASURES:
EROSION CONTROL NOTES:
DESCRIPTION OF EROSION & SEDIMENT
EROSION CONTROL NOTES & NARRATIVE.
STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE IN ACCORDANCE
1.
THE PLAN APPROVING AUTHORITY MUST BE N077FIED ONE WEEK PRIOR TO THE
CONTROL MEASURES:
PROJECT DESCRIPTION:
WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. STRUCTURAL
PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND
THE PURPOSE OF THIS LAND DISTURBANCE ACTIVITY IS TO CONSTRUCT A RESIDEN77AL SUBDIVISION. THIS PLAN PROPOSES 12.72 ac. OF LAND
PRACTICES USED IN THIS SECTION CONSIST OF THE FOLLOWING
DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION.
EROSION AND SEDIMENT CONTROL MEASURES.,
DISTURBANCE. 77-IE PROJECT WILL BEGIN ITS CONSTRUCTION WITH THE PROPOSED ESC MEASURES FOLLOWING PLAN APPROVAL, WHICH IS ANTICIPATED TO
2.
ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND
IT IS ANTICIPATED TO USE A CONSTRUCTION ENTRANCE, UTILITY STREAM CROSSING,
BE IN THE SUMMER OF 2021. THE WORK IS ANTICIPATED TO BE COMPLETED WITHIN 24 MON77-IS AND TO CONCLUDE IN 774E SUMMER OF 2023.
3.01 SAFETY
FENCE.,
MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA
RIPRAP OUTLET PROTECTION, CHECK DAMS, DIVERSIONS, TWO SEDIMENT TRAPS, A
EXISTING S17E CONDITIONS:
A PR07EC71VE
BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CONTROL MEASURE
EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR
SEDIMENT BASIN, AND SILT FENCES TO CONTROL SURFACE DRAINAGE TEMPORARY
THE PROPOSED DEVELOPMENT IS LOCATED ON A PARCEL WITH EXISTING WOODS AND GRASSY LAWNS. THIS SITE IS GENERALLY WELL SLOPED FROM THE
TO PROHIBIT THE UNDESIRABLE USE OF AN EROSION CONTROL MEASURE BY THE PUBLIC
APPLICABLE TO ANY CONTROL MEASURE OR SERIES OF MEASURES WHICH CAN BE CONSIDERED
625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS
SEEDING WILL BE USED IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE ACTIV777ES.
NORTH TO THE SOUTH SIDE OF THE PROPERTY ALONG ROUTE 20.
UNSAFE BY VIRTUE OF P07EN77AL ACCESS BY 774E PUBLIC.
J.
ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR
TEMPORARY STOCKPILE AREAS SHALL BE DISCUSSED WITH THE ESC INSPECTOR AHEAD
ADJACENT AREAS:
AS THE FIRST STEP IN CLEARING.
OF TIME & WILL NEED TO BE MAINTAINED AND STORED FOR LA7ER SPREADING.
THE SOUTHERN PORTION OF THE PROPERTY RUNS ALONG ROUTE 20. THERE ARE INSTITU77ONAL AND COMMERCIAL BUILDINGS TO THE NORTH OF THE
302 CONSTRUCTION ENTRANCE.,
4.
A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE
STOCKPILE LOCATIONS SHALL BE ON S17E AND SHALL BE STABILIZED W77H A
SITE. THERE ARE PARTIALLY WOODED RESIDEN77AL LOTS TO 774E EAST AND A MAINTENANCE ACCESS ROAD ALONG THE KE57ERN PROPERTY LINE
A STABILIZED CONSTRUCTION ENTRANCE LOCATED AT POINTS OF VEHICULAR INGRESS AND
MAINTAINED ON THE SITE AT ALL TIMES.
LEADING TO THE AVINITY SUBDIVISION. SILT FENCE WITH WIRE BACKING, DIVERSIONS, A SEDIMENT BASIN, A SEDIMENT TRAP, INLET CONTROLS AND
EGRESS ON A CONSTRUCTION S17E. TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO
5.
PRIOR TO COMMENCING LAND DISTURBING AC77WTIES IN AREAS OTHER THAN INDICATED
TEMPORARY VEGETATIVE COVER. PERMANENT SEEDING WILL BE PERFORMED FOR ALL
VARIOUS OTHER ESC MEASURES ARE PROPOSED TO LIMIT THE P07EN77AL FOR CONTAMINATION OF THESE ADJACENT PROPERTIES AND WATERWAYS.
PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. CON57RUC77ON ENTRANCES SHALL
ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF -SITE BORROW OR WASTE
AREAS WHICH WILL NO LONGER BE EXCAVATED AND WHERE CONSTRUCTION ACTIVITIES
OFFSI7E LAND DISTURBANCE,
BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE AMOUNT SEDIMENT TRANSPORTED
AREAS, 774E CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN
HAVE CEASED. PERMANENT SEEDING SHALL ALSO BE PERFORMED FOR ALL DENUDED
OFFS17E LAND DISTURBANCE IS WITHIN PUBLIC RIGHT-OF-WAY EASEMENTS, AND THE ADJACENT AVINITY ESTATES PROPERTY WHICH IS OWNED BY THE
ONTO PUBLIC ROADWAYS.
TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY.
AREAS WHICH WILL BE LEFT DORMANT FOR A YEAR OR MORE. SELEC701V OF SEED
SAME DEVELOPER.
3.0s CONSTRUCTION ROAD STABILIZATION:
6.
THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION
MIXTURE WILL DEPEND ON 774E 77ME OF YEAR APPLIED. TEMPORARY SEEDING WILL BE
SOILS:
774E TEMPORARY STABILIZATION OF ACCESS ROADS, SUBDIVISION ROADS, PARKING AREAS AND
CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS
PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR MORE THAN
SEE SOIL DESCRIPTIONS ON THIS PAGE, AND THE PHASE l ESC PLAN FOR THE BOUNDARIES.
07HER SI7F VEHICLE TRANSPORTATION ROUTES WITH STONE IMMEDIATELY AFTER GRADING. TO
DETERMINED BY THE PLAN APPROVING AUTHORITY.
SEVEN DAYS. THESE AREAS SHALL BE SEEDED WM7H FAST GERMINATING VEGETATION
AT EAAS:
CRITICAL AREAS:
REDUCE EROSION OF TEMPORARY ROADBEDS BY CONSTRUCTION TRAFFIC DURING WET WEATHER
7.
ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES
IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS SELECTION OF SEED MIXTURE WILL
THERE ARE STEEP SLOPES ON THE PROPERTY. THE COW BRANCH STREAM RUNS THROUGH THE SOUTHERN PORTION OF THE PROPERTY. THE
AND TO REDUCE EROSION AND SUBSEQUENT REGRADING OF PERMANENT ROADBEDS BETWEEN
AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT
DEPEND ON THE 77ME OF YEAR APPLIED. THESE MEASURES AND THE FOLLOWING, ARE
CONTRACTOR SHALL GIVE EXTRA ATTENTION AND CAU77ON IN AND AROUND THESE AREAS TO ENSURE SEDIMENT IS NOT DEPOSITED ON THEM OUTSIDE
774E TIME OF INITIAL GRADING AND FINAL STABILIZATION. USE WHEREVER STONE -BASE ROADS
UNTIL FINAL STABILIZATION IS ACHIEVED.
PROPOSED
THE SCOPE OF THE PROPOSED PLAN. TREE PR07FC77ON FENCING, SILT FENCING, DIVERSIONS AND SEDIMENT TRAPPING DEVICES SHALL ALSO BE
OR PARKING AREAS ARE CONSTRUCTED, WHETHER PERMANENT OR TEMPORARY, FOR USE BY
8.
DURING DEWATERING OPERATIONS WATER WILL BE PUMPED INTO AN APPROVED
INSTALLED AS A FIRST STEP IN LAND DISTURBANCE TO ENSURE THESE CRITICAL AREAS ARE MAINTAINED.
CONSTRUCTION TRAFFIC
FILTERING DEVICE.
SEQUENCE OF CONS7RUC77QN
•
3.05 SILT FENCE & SUPER SILT FENCE.,
9.
THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY
SAFETY FENCE- TO DISCOURAGE ACCESS TO A PARTICULAR AREA.
PHASE l
A TEMPORARY SEDIMENT BARRIER CONSIS77NG OF A SYNTHETIC FILTER FABRIC STRETCHED
AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR
3.02 CONSTRUCTION ENTRANCE - TO REDUCE THE AMOUNT OF MUD TRANSPORTED
1. CONTRACTOR SHALL NOTIFY THE ALBEMARLE COUNTY COMMUNITY DEVELOPMENT ENGINEERING DEPARTMENT TO SCHEDULE A PRE -CONSTRUCTION
ACROSS AND ATTACHED TO SUPPOR77NG POSTS AND ENTRENCHED, TO INTERCEPT AND DETAIN
CLEANUP TO MAINTAIN THE EFFEC77VENESS OF THE EROSION CONTROL DEVICES SHALL
ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF.
MEETING.
SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION OPERATIONS IN
BE MADE IMMEDIATELY.
3.03 CONS7RUC77ON ROAD STABILIZATION - TO REDUCE THE EROSION OF TEMPORARY
2 PRIOR TO DISTURBANCES, THE LIMITS OF DISTURBANCE SHALL BE FLAGGED AND 774E TREE PR07EC77ON FENCING SHALL BE INSTALLED.
ORDER TO PREVENT SEDIMENT FROM LEAVING THE 97E, AND TO DECREASE THE VELOCITY OF
10.
ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA.
ROADBEDS BY CONSTRUCTION TRAFFIC AND TO REDUCE THE EROSION AND
3. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT THE APPROVAL FROM THE INSPECTOR ON THE
SHEET FLOWS AND LOW -TO -MODERATE LEVEL CHANNEL FLOWS 774E SILT FENCE BARRIERS
11.
ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL
SUBSEQUENT REGRADING OF PERMANENT ROADBEDS BETWEEN THE 77ME OF 1N177AL
PROJECT.
SHALL BE INSTALLED DOWN SLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT
LADEN RUNOFF FROM SHEET FLOW AS INDICATED. THEY SHALL BE INSPECTED IMMEDIATELY
SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND
GRADING AND FTNAL STABILIZATION CONSTRUCTION ROAD STABILIZATION WILL BE
4. INSTALLAT701V OF THE PROPOSED CONS7RUCT70N ENTRANCE SHALL OCCUR NEXT. THE CONTRACTOR SHALL MODIFY THE EXISTING PAVED DRIVEWAY
AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE WITH THE VIRGINIA EROSION &
OTHER DEBRIS.
APPLIED 70 THE CON7RAC70R PARKING &STAGING AREAS AS NEEDED.
REQUIREMENTS SHOWN ON 174E THE DETAIL ON THIS SHEET.THE CONTRACTOR
OFF ROUTE 20 TO MEET THE MINIMUM CONSTRUCTION ENTRANCE RE T.
SEDIMENT CONTROL HANDBOOK (VESCH).
12.
BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION
3.05 SILT FENCE- SILT FENCE IS PROPOSED, WHERE SHOWN ON THE PLANS
SHALL INSTALL A WASH RACK WITH DOWN GRADIENT SEDIMENT TRAPPING DEVICE TO TREAT FLASH RUNOFF FROM VEHICULAR WASHOFF. THE
PER ZONING ORDINANCE SECTION 5.1.28.
3.07 STORM DRAIN INLET PROTECTION- INLET PR07EC770N IS PROPOSED ON INLETS,
CONTRACTOR SHALL ALSO PROVIDE CONSTRUCT70N ROAD STABILIZATION TO THE SURROUNDING AREA ENVISIONED FOR THE CONTRACTOR PARKING &
307 STORM DRAIN INLET PROTECTION.,
13.
ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPUANCE WITH SECTION 13-301
STAGING AREA. CONTRACTOR SHALL ENSURE THE CONSTRUCTI0N ENTRANCE AND PARKING AREA ARE PROPERLY GRADED AND DRAIN TO AN
A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM DRAIN DROP
OF THE CODE OF ALBEMARLE.
WHERE SHOWN ON THE PLANS.
ADEQUATE E&S MEASURE. CONSTRUCTION ENTRANCES ARE TO BE INSTALLED WHERE CONSTRUCTION VEHICLE ROUTES INTERSECT PAVED PUBLIC
INLET OR CURB INLET. TO PREVENT SEDIMENT FROM ENTERING STORM DRAINAGE SYSTEMS
14,
BORROW, FILL OR WASTE AC77WTY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT
3.09 DIVERSION- PERIMETER DIVERSIONS ARE PROPOSED WHERE SHOWN ON THE PLANS
ROADS, PROVISIONS SHALL BE MADE 70 MINIMIZE THE TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING ONTO THE PAVED SURFACE. WHERE
(
PRIOR TO PERMANENT STABILIZATION OF THE DISTURBED AREA. INLET PROTECTION APPLIES
SHALL BE UMITED TO THE HOURS OF 7.• 00 AM TO 9: 00 PM.
TO DIRECT RUNOFF INTO A SEDIMENT TRAPPING DEVICE.
SEDIMENT IS TRANSPORTED ONTO A PUBLIC ROAD SURFACE, THE ROAD SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT
MERE STORM DRAIN INLETS ARE TO BE MADE OPERATIONAL BEFORE PERMANENT
STABILIZATION OF THE CORRESPONDING DISTURBED DRAINAGE AREA.
15.
T
BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAT
3.11 RIGHT OF WAY DIVERSION- ARIGHT OF WAY DIVERSION IS PROPOSED A7 THE
J.11RIUCnOF
SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SKEEPING AND TRANSPORTING TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING
MAINTAINS LATERAL SUPPORT, ORDER TO MINIMIZE ANY HAZARD TO PERSONS
ENTRANCE.
SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER.
30s TEMPORARY av£Rs7DN DIKE:
PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY
3.13 SEDIMENT TRAP- TWO SEDIMENT TRAPS ARE PROPOSED WHERE SHOWN ON THE
5. THE IN/77AL ESC CONSTRUCTION MEASURES, AS SHOWN ON THE PHASE ! EROSION &SEDIMENT CONTROL PLAN, SHALL BE INSTALLED NEXT. THE
A TEMPORARY RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING
PUBLIC STREET BECAUSE OF SLIDES, SINKING, OR COLLAPSE.
PLANS.
CONTRACTOR SHALL BEGIN BY INSTALLING THE PERIMETER SILT FENCE. PERIMETER MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED
DISTURBED AREA. TO DIVERT STORM RUNOFF FROM UPSLOPE DRAINAGE AREAS AWAY FROM
16.
THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR
3.14 SEDIMENT BASIN- ONE SEDIMENT BASIN IS PROPOSED WHERE SHOWN ON THE
AS A FIRST STEP WITH ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE.
UNPRO7ECTED DISTURBED AREAS AND SLOPES TO A STABILIZED OUTLET. TO DIVERT
CONVERT TO PERMANENT STORMWATER MANAGEMENT FACIL177ES WHERE APPLICABLE
PLANS.
6. ONCE THE PERIMETER EROSION CONTROL MEASURES HAVE BEEN INSTALLED, AND THE COUNTY INSPECTOR HAS APPROVED THESE MEASURES, THE
SEDIMENT -LADEN RUNOFF FROM A DISTURBED AREA TO A SEDIMENT -TRAPPING FACILITY SUCH
AS A SEDIMENT TRAP OR SEDIMENT BASIN. USE WHEREVER STORMWATER RUNOFF MUST BE
ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE SALE
318 OUTLET PRO7ECT0N-OU7LET PR07EC77ON IS PROPOSED AT THE OUTLET OF PIPS
CONTRACTOR SHALL PROCEED TO LIGHT CLEARING OF THE SITE THE CONTRACTOR SHALL BEGIN BY CLEARING THE AREAS REQUIRED TO ACCESS THE
TEMPORARILY DIVERTED TO PR07ECT DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT DN
17.
OF ANY LOT UNIT, BUILDING OR OTHER PORT70N OF THE PROPERTY.
TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING SEEDING IS
3.19 RIPRAP- RIPRAP IS PROPOSED AT THE OUTLET OF PIPES
LOCATIONS OF THE PROPOSED SEDIMENT TRAPS, GALAXIE FARM LANE CULVERTS, PHASE ! GRADING, AND THE AREAS DESIGNATED AND/OR
SITE DURING CONSTRUCTI0N. THESE STRUCTURES GENERALLY HAVE A LIFE EXPECTANCY OF 18
TO BE AT 75 LBS ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO
/
332 PERMANENT SEEDING -PERMANENT SEEDING IS REQUIRED AND PROPOSED WITH
APPROVED BY THE INSPECTOR.
MONTHS OR LESS, WHICH CAN BE PROLONGED WITH PROPER MAINTENANCE.
THIS PLAN.
7 /NSTALLA7701V OF SEDIMENT TRAPS 1 AND 2 SHALL IMMEDIATELY FOLLOW THE SELECTIVE CLEARING. FOLLOWING THE INSTALLA7ON OF THESE
CONSIST A 50150 MIX OF ANNUAL RYGRAAND CEREAL WINTER RYE OR IN MARCH
/ SS
MEASURES, THE CONTRACTOR SHALL INSTALL THE DIVERSIONS THE DIVERSIONS SHALL MAINTAIN POSITIVE DRAINAGE TO 774E SEDIMENT TRAPPING3B
3.11 TEMPORARY RIGHT-OF-WAY DIVERSION:
AND APR1L TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF
3TREE PR£SERVA770N AND PROTECTION- TREE PR07EC77ON IS PROPOSED Wl7H
DEVICES AT ALL TIMES THROUGHOUT CONSTRUCT70N. ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE PHASE I EROSION CONTROL
A RIDGE OF COMPACTED SOIL OR LOOSE ROCK OR GRAVEL CONSTRUCTED ACROSS DISTURBED
GERMAN MILLET. STRAW MULCH IS TO BE APPLIED AT 80LBS IOOSF. ALTERNATIVES
/
THIS PLAN. SEE THE ESC PLAN FOR TH£ REQUIRED LOCATIONS.
PLAN SHALL ALSO BE CONSTRUCTED AT THIS TIME.
RIGHTS -OF -WAY AND SIMILAR SLOPING AREAS TO SHORTEN THE FLOW LENGTH WITHIN A
SLOPING RIGHT-OF-WAY, THEREBY REDUCING THE EROSION P07EN77AL BY DIVER77NG STORM
ARE SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR.
339 DUST CONTROL -DUST CONTROL IS REQUIRED AND PROPOSED WITH THIS PLAN.
8. ONCE 774E COUNTY INSPECTOR HAS APPROVED THE FIELD CONDITIONS, CONTRACTOR SHALL INSTALL THE PUMP -AROUND AS SHOWN ON THE PHASE I
RUNOFF TO A STABILIZED OUTLET. GENERALLY, EARTHEN DIVERSIONS ARE APPLICABLE WHERE
18.
PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER PERMANENT SEEDING AND
MAINTENANCE.
EROSION &SEDIMENT CONTROL PLAN. ONCE THE PUMP -AROUND HAS BEEN INSTALLED AND THE E&S INSPECTOR HAS GIVEN APPROVAL, THE
THERE WILL BE LITTLE OR NO CONSTRUCTION TRAFFIC WITHIN THE RIGHT-OF-WAY. GRAVEL
MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90LBS/1000SF,
CONTRACTOR CAN INSTALL THE (2) PROPOSED ROAD CULVERTS UNDER GALAXIE FARM LANE AND GRADE THE S17F AS SHOWN ON THE PHASE ! E&S
STRUCTURES ARE MORE APPLICABLE TO ROADS AND OTHER RIGHTS -OF -WAY WHICH
INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT
N GENERAL, DURING CONSTRUCTION THE RLD OR CONTRACTOR ON -SITE WILL
PLAN.
ACCOMMODATE VEHICULAR TRAFFIC)OOOLBS/ACRE
AND CONSIST OF A 10-20-10 NUTRIENT MIX. PERMANENT SEEDING
CHECK ALL EROSION AND SEDIMENT CONTROL MEASURES DAILY AND AFTER EACH
PHASE 11
3.13 TEMPORARY SEDIMENT TRAP.,
SHALL BE APPLIED AT 180LBS/ACRE AND CONSIST OF 95R KENTUCKY 31 OR TALL
SIGNIFICANT RAINFALL. MONITORING REPORTS WILL BE REQUIRED FROM THE RLD IF
NEEDED. SPECIFIC ATTENTION WILL BE GIVEN TO THE FOLLOWING ITEMS.
9. ONCE ALL THE PHASE l EROSION CONTROL ITEMS HAVE BEEN INSTALLED & ARE OPERATIONAL, DRAINAGE IS PROPERLY CONVEYED TO THESE
A TEMPORARY POND/NG AREA FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A
FESCUE AND 0-5% PERENNIAL RYGRASS OR KENTUCKY BLUEGRASS STRAW MULCH IS
D. SEDIMENT BASINS AND/OR TRAPS WILL BE CLEANED AND MAINTAINED IN
MEASURES, AND THE ESC INSPECTOR HAS GRANTED APPROVAL, THE CONTRACTOR REMOVE THE PUMP -AROUND AND BEGIN CLEARING THE
STONE OUTLET. TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED AREAS LONG
TO BE APPLIED AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVAL BY 774E
ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK.
REMAINDER OF THE S17E TEMPORARY SEEDING, PERMANENT SEEDING AND DUST CONTROL SHALL BE IMPLEMENTED AS REQUIRED. CONTRACTOR SHALL
ENOUGH TO ALLOW 774E MAJORITY OF 774E SEDIMENT TO SETTLE OUT. USE BELOW DISTURBED
EROSION CONTROL INSPECTOR.
b.ALL GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR SEDIMENT BUILDUP
INSTALL (2) NEW CONSTRUCTION ENTRANCES AS SHOWN ON THE PHASE ll EROSION & SEDIMENT CONTROL PLAN,
AREAS WHERE 774E TOTAL CONTRIBUTING DRAINAGE AREA IS LESS THAN 3 ACRES, WHERE 774E
19.
MAINTENANCE. ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH
THAT WILL PREVENT PROPER DRAINAGE. IF THE GRAVEL IS CLOGGED BY
10.CONTRACTOR SHALL INSTALL THE BYPASS DRAINAGE SYSTEM AND RELATED GRADING AT THIS TIME.
SEDIMENT TRAP WILL BE USED NO LONGER THAN 18 MONTHS AND IT MAY BE CONSTRUCTED
RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIRED
SEDIMENT, THE GRAVEL WILL BE REMOVED AND CLEANED, OR IT WILL BE
PHASE /I/
E/TIER INDEPENDENTLY OR /N CONJUNCT70N W77H A TEMPORARY D/VERS/ON DIKE.
IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 50% OF THE WET STORAGE
REPLACED.
11.UPON INSPECTOR APPROVAL, THE CONTRACTOR SHALL BEGIN ROUGH GRADING THE SITE TO THE CONTOURS SHOWN ON THE PHASE N EROSION &
314 TEMPORARY SEDIMENT BASIN:
VOLUME IS FILLED WITH SEDIMENT. ALL SEEDED AREAS ARE TO BE RESEEDED WHEN
c. ALL SILT FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING OR
SEDIMENT CONTROL PLAN & INSTALL THE REMAINING DRAINAGE BYPASS SYSTEM. MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED
A TEMPORARY BARRIER OR DAM WITH A CONTROLLED STORMWATER RELEASE STRUCTURE
NECESSARY TO ACHIEVE A GOOD STAND OF GRASS. SILT FENCE AND DIVERSION
DETERIORATION OF THE FABRIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL
AS A FIRST STEP WITH ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE.
FORMED BY CONSTRUCTING AN EMBANKMENT OF COMPACTED SOIL ACROSS A
DYKES WHICH ARE COLLECTING SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED
BE REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHED HALF WAY
12T7HE CONTRACTOR SHALL INSTALL THE PROPOSED SEDIMENT BASING AT THIS TIME AS WELL AS ANY REMAINING EROSION CONTROL ITEMS SHOWN ON
DRAINAGEWAY. TO DETAIL SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS
AND REPAIRED IMMEDIATELY.
TO 774E TOP OF THE BARRIER.
THE PHASE /// EROSION CONTROL PLAN. TEMPORARY SEEDING, PERMANENT SEEDING AND DUST CONTROL SHALL BE IMPLEMENTED AS REQUIRED.
IN "NET" AND `DRY" STORAGE LONG ENOUGH FOR THE MAJORITY OF THE SEDIMENT TO SETTLE
20.
ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED
d.ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE THAT A GOOD
PHASE IV
OUT. APPLIES BELOW DISTURBED AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS
WITHIN 30 DAYS OF FINAL SITE STABILIZATION, WHEN MEASURES ARE NO LONGER
STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS
130NCE ALL THE PHASE ll EROSION CONTROL ITEMS HAVE BEEN INSTALLED &ARE OPERATIONAL, THE S17E IS ROUGH GRADED, DRAINAGE IS
EQUAL OR GREATER THAN THREE ACRES WHERE MUST BE SUFFICIENT SPACE AND
NEEDED, SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR.
NEEDED.
PROPERLY CONVEYED TO THESE MEASURES, AND THE ESC INSPECTOR HAS GRANTED APPROVAL, THE CONTRACTOR CAN BEGIN PHASE /V OF THE
RI
APPROPRIATE TOPOGRAPHY FOR THE CONSTRUCTION OF A TEMPORARY IMPOUNDMENT.
21.
THE E&S INSPECTOR HAS THE AUTHORITY TO ADD OR DELETE E&S CONTROLS AS
IN CASE OF EMERGENCY, THE PRIMARY CONTACT FOR THE PROJECT WILL BE THE
EROSION & SEDIMENT CONTROL PLAN.
318 OUTLET PRor£cnoN:
NECESSARY IN THE FIELD AS SITE CONDITIONS CHANGE. IN ADDITION, NO SEDIMENT
RLD OR CONTRACTOR ON -SITE. THE RLD's CONTACT INFORMATION CAN BE FOUND
12774E CONTRACTOR CAN BEGIN INSTALLATION OF THE UTILITIES, CURB AND GUTTER, AND PAVED ROADS INLET PROTECTION SHALL ALSO BE
STRUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPAPNG DEVICES PLACED
BASIN OR TRAP CAN BE REMOVED WTTHOUT WRITTEN AUTHORIZATION.
1N THE SWPPP, WHICH IS TO BE LOCATED ONSITE AT ALL TIMES DURING
CONSTRUCTION. IN ADDITION, THE OWNER MAY BE CONTACTED. UPON
INSTALLED AS THE STORM SEWER IS CONSTRUCTED. INLET PROTECTION SHALL BE INSPECTED AFTER EACH RAINFALL EVENT AND REPAIRS SHALL BE
AT 774E OUTLETS OF PIPES OR PAVED CHANNEL SECTIONS TO PREVENT SCOUR AT
COMPLETION OF THE PROJECT, THE OWNER WILL BE RESPONSIBLE FOR SITE
MADE AS NEEDED. IF THE STONE FILTER BECOMES CLOGGED WITH SEDIMENT SO THAT IT NO LONGER ADEQUATELY PERFORMS 17S FUNCTION, THE
STORMWATER OUTLETS, TO PROTECT THE OUTLET STRUCTURE AND TO MINIMIZE THE P07EN77AL
MAINTENANCE.
STONE MUST BE PULLED AWAY AND CLEANED AND/OR REPLACED. SEDIMENT TRAPS 1 AND 2 SHALL REMAIN OPERATIONAL UNTIL FINAL LOT AND
FOR DOWNSTREAM EROSION BY REDUCING THE VELOCITY AND ENERGY OF CONCENTRATED
SOIL DESCRIPTION.'
WALL BUILD -OUT. AT THIS TIME, THE SEDIMENT BASIN SHALL BE CONVERTED TO A PERMANENT SWlU FACILITY AND 17S ADJACENT RETAINING WALLS
STORMWATER FLOWS APPLICABLE TO 774E OUTLETS OF ALL PIPES AND ENGINEERED CHANNEL
SEcnoNs
SOILS ON -SITE ARE CURRENTLY AS FOLLOWS:
EROSION CONTROL NOTES:
SHALL BE INSTALLED. PRIOR TO CONVER77NG THE SEDIMENT BASIN, THE CONTRACTOR SHALL ENSURE THE UPLAND WATERSHED IS STABILIZED. THE
ES-1: UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION
CONTRACTOR SHALL ALSO OBTAIN APPROVALS FROM THE INSPECTOR TO CONVERT THE SEDIMENT BASIN TO A PERMANENT SWM FACILITY.
3 RIPRAP., RIPRA•
71B
- T
RABUN CLAY LOAM - 2 0 7q SLOPES. SOIL IS TYPICALLY WELL DRAINED
AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED
13FOLLOWNG THE CONVERSIONS OF THE SEDIMENT BASIN TO A PERMANENT SAM FACILITY THE CONTRACTOR CAN REMOVE THE REMAINDER OF THE
A PERMANENT EROSION -RESISTANT GROUND COVER OF LARGE LOOSE ANGULAR STONE WITH
WITH A MEDIUM RUNOFF CLASSIFICATION. SURFACE LAYER IS TYPICALLY
ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE NR l IA
SAL
l T A H R HA F TUPSTREAM
EROSION & SEDIMENT CONTROL MEASURES. NO ITEM SHALL BE ENDUED THROUGHOUT ALL PHASES 0 CONSTRUCTION UNLESS HE
FILTER FABRIC OR GRANULAR UNDERLINING. TO PROTECT THE SOIL FROM THE EROSIVE
EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR
AREAS ARE STABILIZED AND THE INSPECTOR GIVES PERMISSION.
FORCES OF CONCENTRATED RUNOFF, SLOW THE VELOCITY OF CONCENTRATED RUNOFF WHILE
CLAY LOAM AND ABOUT 0-6" THICK. THE DEPTH OF THE WATER TABLE IS
625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS.
14.PERMANENT OR TEMPORARY SOIL STABILIZA7ON SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON
ENHANCING THE POTENTIAL FOR INFILTRATION, AND TO STABILIZE SLOPES WITH SEEPAGE
GENERALLY MORE THAN 80':
ES-2 THE PLAN APPROVING AUTHORITY MUST N07'ONE WEEK PRIOR TO
ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT
PROBLEMS, AND/OR NON -COHESIVE SOILS USE K HEREVER SOIL AND WATER INTERFACE AND
72C3
-RABUN CLAY - 7 TO 159 SLOPES. SOIL /S TYPICALLY WELL DRAINED WITH
THE PRE -CONSTRUCTION CONFERENCE ONE WEEKK PRIOR TO THE
FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS
THE SOIL CONDITIONS, WATER TURBULENCE AND VELOCITY, EXPECTED VEGETATIVE COVER, ETC.,
ARE SUCH THAT THE SOIL MAY ERODE UNDER THE DESIGN FLOW CONDITIONS
A MEDIUM RUNOFF CLASSIFICATION. SURFACE LAYER 1S TYPICALLY CLAY AND
COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO
THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR.
-
ABOUT 0 4 THICK. THE DEPTH OF THE WATER TABLE IS GENERALLY MORE
THE FINAL INSPECTION.
15.1NE CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK
3.31 TEMPORARY SEEDING.,
THAN 80".
ES-J.-ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR
REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL
THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING
72D3
_
-RABUN CLAY 15 TO 25q SLOPES. SOIL lS TYPICALLY WELL DRAINED WITH
TO OR AS THE FIRST STEP IN CLEARING.
HANDBOOK.
WITH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS. TO REDUCE EROSION AND
A HIGH RUNOFF CLASSIFICATION, SURFACE LAYER IS TYPICALLY CLAY AND
ES-4.A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL
16.ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL S17E STABILIZATION OR AFTER THE
SED/MENTATON BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL
GRADE FOR A PERIOD OF MORE THAN 30 DAYS TO REDUCE FROM SEDIMENT AND
BE MAINTAINED ON THE S17E AT ALL TIMES.
TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS 07HERWSE AUTHORIZED BY THE LOCAL PROGRAM ADMINISTRATOR. TRAPPED SEDIMENT
DAMAGE
ABOUT 0-4" THICK. THE DEPTH OF THE WATER TABLE IS GENERALLY MORE
ES -&PRIOR TO COMMENCING LAND DISTURBING ACTIW77ES IN AREAS OTHER THAN
AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOS177ON OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT
RUNOFF TO DOWNSTREAM OR OFF -SITE AREAS AND TO PROVIDE PROTECTION TO BARE SOILS
THAN 80".
INDICATED ON THESE PLANS (INCLUDING BUT NOT LIMITED70, OFF -SITE
FURTHER EROSION AND SEDIMENTATION.
EXPOSED DURING CONSTRUCTION UN7L PERMANENT VEGETATION OR OTHER EROSION CONTROL
79B
- MEACOW�'LLE SILT LOAM - 2 TO 79 SLOPES. SOIL lS TYPICALLY WELL
BORROW OR WASTE AREAS), THE CONTRACTOR SHALLLSUBMIT A
MEASURES CAN BE ESTABLISHED.
DRAINED WITH A MEDIUM RUNOFF CLASSIFICATION. SURFACE LAYER IS
SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND
3.32 PERMANENT STABILIZATION:
TYPICALLY SILT LOAM AND ABOUT 0-18" THICK. THE DEPTH OF THE WATER
APPROVAL BY THE PLAN APPROVING AUTHORITY.
THE fSTMENT PERENNIAL VEGETATIVE COVER DISTURBED AREAS PLANTI
TABLE IS GENERALLY MORE THAN 80".
ES-6: 774E CONTRACTOR IS RESPONSIBLE FOR 1NSTALLA77ON OF ANY ADD177ONAL
TO REDUCE
SEED. TO REDUCE ERR W AREAS AND DECREASE SEDIMENT WELD FROM DISTURBED AREAS TO
EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND
PERMANEN RY STABILIZE DISTURBED AREAS IN A MANNER THAT /S ECONOMICAL, ADAPTABLE TO
SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY.
S17E CONDITIONS, AND ALLOWS SELECTION OF THE MOST APPROPRIATE PLANT MATERIALS TO
REFERENCE. WEB SOIL SURVEY ONLINE DATABASE, FOUND AT
ES-7.-ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL
IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF
htt Websoitsurve .nres.usdo. ov o WebSoilSurve .as x
P // Y / Pp/ Y P
MEASURES AT ALL 77MES DURING LAND DISTURBING ACTIVITIES AND DURING
CONSTRUCTION ACTIVITIES, ALL AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER.
SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED.
ES -&DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN
338 TREE PRESERVATION AND PROTECTION.,
APPROVED WATER FILTERING DEVICE.
PROTECTION OF DESIRABLE TREES FROM MECHANICAL OR 07HER INJURY DURING LAND
£S-9., THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES
DISTURBING AND CONSTRUCTION ACTIVITY. TO ENSURE THE SURVIVAL OF DESIRABLE TREES
SEDIMENT BASIN BAFFLE DETAIL
PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY
WHERE THEY WILL BE EFFECTIVE FOR EROSION AND SEDIMENT CONTROL, WATERSHED
NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE
PROTECTION, LANDSCAPE BEAUTIFICATION, DUST AND POLLUTION CONTROL, NO/SE REDUCTION,
NO SCALE NOTE:
EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY.
SHADE AND 07HER ENVIRONMENTAL BENEFITS WHILE THE LAND IS BEING CONVERTED FROM
BAFFLES SHALL EXTEND FROM THE
SHEETS OF 4x8'xl' £x7ER10R
FOREST TO URBAN -TYPE USES. APPLIES IN 7REE-INHABITED AREAS SUBJECT TO LAND
BOTTOM TD 6' ABOVE THE OVERFLOW.
PLYWOOD OR EQUIVALENT 1992
1992
1992
3.11 Pa Yed Construction entrance for erosion Control
DISTURBING ACTIVITIES.
r-6'
3.05
ph=
RLrV IQ"'
339 DUST CONTROL:
ELEVA7ION
REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOLITION AND
4'
P.,,IA*
CONSTRUCTION ACTIVITIES. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM
i
POS73 MIN SIZE
EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY
II
SOUAR£ CPA"
PRESENT HEALTH HAZARDS, TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE.
B, ROUND. SET AT
L
DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF
LEAST 3' INTO THE
DUST DURING CONSTRUCTION MEASURES EMPLOYED SHALL BE /N ACCORDANCE WITH THE
GROUND
VESCH.
TABLE 3.31-B
ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS
"QUICK REFERENCE FOR ALL REGIONS'
Rate
Planting Dates S,SRecies
(lbs./acre)
Sept. 1 - Feb. 15 50150 Mix of
Annual Ryegrass
(Lolium multi-florum)
&
50- IDO
Cereal (Winter) Rye
(Secale cereale)
Feb. 16 - Apr. 30 Annual Ryegrass
(Lolium multi-florum)
n0 - 1,N)
May 1 - Aug 31 German Millet
�o
(Setaria italica)
Source: Va. DSWC
1. SET POSTS AND EXCAVATE A 4"X4"
TRENCH UPSLOPE ALONG THE LINE
OF POSTS.
FLOW-IIJllllllillll
R 4
3, ATTACH THE FILTER FABRIC TO
THE WIRE FENCE AND EXTEND
IT INTO THE TRENCH.
2. STAPLE WIRE FENCING TO
THE POSTS.
4. BACKFILL AND COMPACT THE
EXCAVATED SOIL.
IV 1
"` r _,
I � '
/ �
�� = 1 i TIE
'l I /
/III -I III FLOOW / G
II=1I1-"
- I- -I11= T
a.,
i
�,
/.
EXTENSION OF FABRIC AND WIRE INTO THE TRENCH.
ssF WI�UPER SILT FENC
TH WIRE -BACK os-
NO SCALE
CONSTRUCTION OF A SILT FENCE
(WITHOUT WIRE SUPPORT)
1. SET THE STAKES. 2. EXCAVATE A 4"X 4" TRENCH
UPSLOPE ALONG THE LINE OF
STAKES.
6 MAx.
i / i
� /J / -
/JI l
FLOW �j 1111
r �� -
3. STAPLE FILTER MATERIAL
TO STAKES AND EXTEND
IT INTO THE TRENCH.
./
FLOW
a
4. BACKFILL AND COMPACT
THE EXCAVATED SOIL.
SHEET FLOW INSTALLATION
(PERSPECTIVE VIEW)
POINTS A SHOULD BE HIGHER THAN POINT B.
DRAINAGEWAY INSTALLATION
(FRONT ELEVATION)
Source: Adapted from Installation of Straw and Fabric Filter
Barriers for Sediment Control, Sherwood and Wyant
TEMPORARY RIGHT-OF-WAY
DIVERSIONS
VDOT #1
COARSE AGGREGATE - 15 LElN-
Sf
TYPICAL GRAVEL STRUCTURE
TYPICAL EARTHEN STRUCTURE
Plate 3.05-2
Source: Va. DSWC
Plate 3.11-1
STONE
CONSTRUC110N
ACCESS �
F� -zm I
.:..<..:.. .:..: .-c.. .:
'•
70' MN.
-ASPHALT PAVED
/ WASHRACK
2% I "��2% '2' M!NJ
I
11 -POSITIVE DRNNAGI
'MUTT EXTEND FULL WIDTH L TO SEDIMENT
Of INGRESS AND EGRESS Ir-rA TRAPPING DMCf
ELM
- - 12' MIN. POSITIVE DRAINAGf
2% TO SEDIMENT
TRAPPING DEVI(-!
I CLOTH
SECTION A -A
1 tninn mil Walet tap of 1 Rich nawl be MIA.11INI with a umwmint 1 itch ballcock
111Ii of vah e - tuppknng a wa.•h lio.e mil a chawelei of 1.5 Inches for adetpiale
u_Aaul pi eNsTBe. Wash wain must be canedaway hone die enhance to an
appioVed seMute alea to Lanoce edauaa .ill settmitTd sliag be ptel•ented hotu
eutertuR stoma rh ams. drtc hc< of n-afa L otu: r,
PAVED WASH RACK
CONTRACTOR MAY SELECT A
RETAINING WALL MATERIAL/
DESIGN EQUIVALENT TO
ANCHOR DIAMOND
REVELEDLNITS ..
M 1 4-
��AxMr*"Dlmiovd°
/ X �tEINPORCEMENT CONNECTION
WX Mu TO SCALE)
�' I
1�T__:_:`
RCEMEMIEX4TR�II
, �.., __
1 I-Lw.. �. � ..,.EM
w.
McM,-D'e .e
X :IEXCAVATION OVERSRING
WX MAI.E.31E-' ) •'
MCM1mTM Dk... ®
X TYPRIAL EASE PREPARATION
corPAcrao BOIL
s' tRImiUM I
I
FMTBR FABRIC
1
I H
- - -IT-ill -I I 11-1 -11
=11r�jII�LI�fI=��S 11J1=1T-
IIIIII
1B' �' �-III-I HTI B I -I
lll I=1 I�IIf�T
I
I I 111I�
III 11 �1111:_ @ III I1Til 11
u= „_
-IT
-
___- 6' U114 Wy _-
ODD TEMPORARY
18" DIVERSION
BERM
CENERAL SLOPE (3.1 OR LESS)
PER ACRE
TOTAL LEIS
KENTUCKY 31 FESCUE
128 LBS.
RED TOP GRASS
2 LBS.
SEASONAL NURSE CROP
2D LBS.
SEASONAL NURSE CROP
50 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:
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 IMMEDIATEL"
UPON COMPLETION
OF SEED APPLICATION IN ACCORDANCE W
VESCH STD 3.35.
PERMANENT SEEDING SCHEDULE
PS
NO SCALE
(STD. & SPEC. 3.32 OF VIRGINIA
EROSION &
SEDIMENT CONTROL HANDBOOK, 3RD ED.)
TABLE 3.31-A
LIMING REQUIREMENTS
FOR TEMPORARY SITES
Recommended Application
DH Test of Agriculmral Limestone
below 4.2 3 tons per acre
4.2 to 52 2 tons per acre
52 to 6 1 ton per acre
Source: Va. DSWC
3.38
Source: Va. DSWC Plate 3.38-2
.-,
Lic. No. 035791,1.
7/19/21 `g�j
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202194
SCALE
N/A
SHEET NO.
3
I I
II
I I
/ I
I I
I 1
I I
1
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1 \ \
1 \ \
1 \ \
V A /
\ I /
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The Virginia Stream Restoration & PUMP -AROUND INSTALLATION GUIDELINES
Stabilization Best Management Practices Guide III EXCAVATE SUMP HOLE OR IDENTIFY EXISTING POOL UPSTREAM OF THE WORK AREA.
DETAIL 5.1: PUMP -AROUND PRACTICE Z INSTALL VELOCITY DISSIPATER DOWNSTREAM OF THE WORK AREA. PROPOSED
RIPRAP OUTFALL SHALL SERVE AS VELOCITY DISSIPATER \ \ / / r r TMP: o ioo-oo-oo-oo8Bo
31 SET UP PUMP AND HOSE/PIPE. / / r 9
41 INSTALL UPSTREAM AND DOWNSTREAM BARRIERS AND START PUMP. OWNER: COUNTY OF ALBEMARLE
5L USE DE -WATERING PUMP AND DE -WATERING DEVICE TO REMOVE WATER LEFT \ J / / ACREAGE: 8.34 AC
Dewatering Device BETWEEN THE IN -STREAM BARRIERS AFTER PRIMARY PUMP INSTALLATION AND AS / / ZONING: Ri RESIDENTIAL
IVA E&S Standard and Spec. 3.26 Diversion Pump NEEDED DURING CONSTRUCTION. / I %D.B./PG.: 1979/044
or dirt/sediment bag) 61 COMPLETE IN -STREAM CONSTRUCTION ACTIVITIES AND REMOVE IN -STREAM
Discharge Hoses BARRIERS.
P Intake m RESTORE/REPAIR IMPACTED STREAM AREAS.
Oewatering Pump Hose
P (as needed)
I
} A A li TMP: 093.00-00-00-01000
Flow Work Area ' FlowOWNER: COUNTY OF ALBEMARLE /
' SCHOOLBOARD
Sandbag/Stone Barrler 0 ACREAGE: 8.33 %�C DRAINAGE AREA (TMP. % / LIMITS OF -LE AND OVERHEAD
ZONING: Ri RESIDENTIAL STO BE REMOVED
/ / ISTURBANCE /
Work Area Sump -hole D.B./PG.: 1979/044 I T / (TMP.)
Discharge Pum Length Not To Exceed Or Pool ' - y
Into Velocity p That Which Can Be 12" Min Depth ! \ ` / * / / � I ,
Dissipater Completed In One Day 2' Min Diameter
EXISTING GRAVEL / p EXISTING COUNTY
ROAD TO REMAIN \ 1 / PRESERVED
SCOTT/R. Cb-LLINS'Z
Lic. No. 035791,E
p7/19/21v
ow
``Ylnxrn T. 'v�,-
PLAN STEEP SLOPES / // // zo
i v / vy�� ��� / /
:. \ /./ U m
00
♦ /
sheeting v vv / 00 v �SOILLINE(TVP.) / — / ♦ ,/ / // //�� �/ I o a
\ / Base Flow + 1 Foot _ / i 00 i \ o / / / / EXISTING 100' \ U ~
Work Area (2 Foot Minimum) , 00 / / /// / / // / STREAM BUFFER w z
EXISTING BUILDINGS \ / / /
TO BE REMOVED-
v Cross Section Of Sandbag/Stone Diversion .�
A � PROP SED z8 DIVERSION. / � / / / � / / � � � PROPERTY LINE
V A I / TMP: 09100-00-00-01100 I\._ ��-' vv CONTRACTOR SHALL EN SURE / / / /
v / OWNER: COUNTY OF ALBEMARLE \ -,POSITIVE SLOPE IS MAINTAINED. p / / y / 5F / / / / /
TMP: THOMAS, DANNY SECTION A -A SOIL DESCRIPTION(TYP.) / // W
OWNER: THOMAS, DAN NYBSR v / I BERM SHALL BE STABILIZED AS ✓% / / /
ACREAGE: o.5iAC \ / / SCHOOLBOARD /\ CON ` / - A IRSTST€PI 15TURBAN
�� EXISTING POLE AND OVERHEAD N �'
ACREAGE: 15.8oAC Ice
�ASI G �/ / // / / /
ZONING: Ri RESIDENTIAL \ o / POWER LINES TO BE REMOVED / �� - / / TP
/ ZONING: R1 RESIDENTIAL Ada ted From /
WB/PG.: 176/131 / / p A \ IB /� - / / /�
D.B./PG.: 5258/620 MarConstruction Gudielines V �/ / / °�u - v v - - / / / / / / / AV
A /
A�.J NOTE: EE SHEET 8 FOR SEDIMENT / 's ` ,y //
TEMPORARY IMSTREAY pECBYRER E009 YIRCIEIA OxPARiYBN} OF CONSERVATION RECREATION ROPOSED id3 DIVER ION. I TRAP #1 DESIGN INFORMATION / /� / '/ / / / Z, / EXISTING SANITARY SEWER
CORSTRUCT[oM MEASURES I — \ \ 1' / //
CONTRACTOR SHALL ENSURE , / / % I'EXISiING COUNTY TO REMAIN
/ POSITIVE SLOPE IS MAINTAINED. DD /PHASE I DRAINAGE AREA
/ '� / /i/ ' / PRESERVED STEEP SLOPES
BERM SHALL BE STABILIZED AS /
I \ I
%I TO ST-1 =1.37 ACRES / / \ y� / / // ` ` PROPOSED PAV D CONSTRUCT] N
F RST STEP IN DISTURB NCE. \ - I / / y PROPOSED /
\ \ \ P OPOSED SAFETY FENCE, / / 's/ � / // g/ // / / � NTRANCE (12'x70' MIN.) vv/ WASH RACK
( / / ,pf PUMP -AROUND X / CE &DOWN GRADIENT SEDIMENT
INSTALL SIGNS "WARNING SAF / / / ` \ DIVERSION, ° j / LOCATION OF SANDBAGS 'TRAPPING DEVICE TO TREAT FLASH
QUICK SAND, KEEP OUT' / /, �%i c,/ / / TO DIVERT WATER AWAY
\ \ ✓ �'�\ ka FROM CULVERT UNOFF F OM VEH14UL R WASHOFF X
EXISTING TO
V / t /° / F / / J �(
TO BE REMOVED 1 / V 1 �' / / �? r� �o TP / INSTALLATION
\ I' -< EXISTING PAVED DRIVEWAY - f / a OP TP
/
BE REMOVED \/
TP
LIMITS OF A\\ \ \ ���_ _ '� PROP65ED IS" DIVERSION.
\ PHASE I DRAINAGE AREA CONTRACTOR SHALL ENSURE °
ISTURBANCE I \ TO ST-2 =1.o9 ACRES POSITIVE SLOPE IS MAINTAINED. \5 1 / / PROPOSED
\ \ I \ ( I \ 4 ` BERM SHALL BE STABILIZED AS / PUMP -AROUND
(TMP.) EXISTING CULVERT - / / / / A FIRST STEP IN DISTURBANCE DD / / / e DIVERSION
r.
LIMITS OF PAVEMENT DEMO TO V
i BE REMOVED
A EXISTING F
FLOW DIRECTION FENCE SF I� A r'
\ ^ \ \
/ \ ARROW (TYP.) II TO REMAIN \ / / / / \ \ V L A ON OFiS CY
/
V \ 1 \\ \ I TO BE S STOCKPILE AREA PROPOSED _ --
/ I \ SURROUNDED BY SILT _ B
\ \ PROPERTY LINE
-/ \ \
CATION OF
° / x
� r A I� _
s
LIMITS OF CONTRACTOR PARKING � a / � a� / T � - - � � �
LANE �� = X - / Jam, / - ♦ &STAGING AREA '� ,>.i=, I_. / _ _.�.,,.:� f, -IP— SF DISTURBANCE N
/� /-
- TMP.
PROPOSED TEMPORARY zB'CMP """ -� �S' ( ) /.
L e \ \ 5 ` X / OCKPILE AR�A SF 4 4 4 3 x. \
1 - V v % - INV. IN= 8 00, INV. OUT 8 00 / I ` �/� PROPOSECl DIVEIN. , y - ,
- . - - / _ _ / CONTRACTOR SHALL ENSURE / / 6 ' �'`'� - - I �� ° Q �: PORTION OF EXISTING
�`6-EXISTING FENCE - v _/ / / / / / J _ / L-50.00, S-z.o0% / CIP/,�"/ GUARDRAIL TO BE
/ / ( / x, / / \ „ -POSITIVE SLOPE IS MAINTAINED. OTE: SEE SHEETS FOR SEDIMENT ♦ 798/ T .
Tp TO BE REMOVED o / / / \\ D6 - O / REMOVED C V
/ / / / / �% / / / , ' BERM SHALL BE STABILIZED AS -% / ' TRAP #2 DESIGN INFORMATION / O
l /r - - y I LOCATION OF SANDBAGS ANDPUMPTO DIVERT
AREA,
A FIRST STEP IN DISTURBANCE.' ♦ / Q\
LOCAT ON OF FUELING AREA ` I II \ WATER AWAY FROM CULVERT INSTALLATION
/EXISTING TREELINE l A i % A -- ' ,' > �I TP / a // �N N
- LOCATION OF SANDBAGS AND PUMP TO DIVERT I fV
TO BE REMOVED / / /- I - �k ���.� ,s� I / WATER AWAY FROM CULVERT INSTALLATION
THIiFUELINGTANK SHALL �FCOMPLE�ELYSURROUNDED BYAz' ���+ �?�PROPOSED SAFETY FENCE,
DEEP, z WIDE EARTHEN BERM WITH A HEAVY MIL POLYETHYLENE,/ x /INSTALL SIGNS "WARNING SAF
I
r r / / / QUICK SAND, KEEP OUT"
TOTAL LIMITS OFDISTURBANCE LINING, OR BE PLACED IN AN IMPERVIOUS OPEN -TOP DUMPSTER. F J / 0
\ \ \ \ / / / i' THE PROPOSED BERM OR DUMPSTER SHALL CONTAIN FUEL IN THE \\`�Jj---EXISTING FENCE '" I �- EXISTING PAVED AIVEWAY
EXISTING TREELINE , — r r / / = 12.72 ACRES / / / / /i' - EVENT OFASPILL. CONTRACTOR SHALL ENSURE VOLUME CAPACITY �'
/ / �/ / TO BE REMOVED - TO BE REMOVED
TO BE REMOVED �/ .72C,3 / r / / / / / / i� / IS_so% LARGER THAN THE MAXIMUM VOLUME OF STORED FUEL.
EXISTING BUILDINGS
EXISTING TO BE REMOVED ��� ♦
7203 I I J 3\-EXISTING TREELINE
iCHANNEL �
EXISTING COW
/// /' /' /' rr r' / r �, I / BRANCH STREAM
Soa,r `4 y I� o FLOW DIRECTION
_ I EXISTING GRAVELOTDRIVEWAY/�
EXISTING BUILDINGS ( - - - -�. /
TO BE REMOVED /i---`� TO BE REMOVED
10
EXISTING TREELINE' /' I / / -- — v 4�,� - - I EXISTING 100'
L / / > / / / / / aa4 o �\ V I SF STREAM BUFFER
"TO BE REMOVED � \ � —
/ / I / /
' r / � TMP: 0 100-00-00-01800 Ul
�
/ —
/---- _
_ � / V � A I � ////ij/ OWNER: WOOD,WENDELLW
Y X _-- X — "—x x �-Xx x— x-•_ 'x--f��v-_-;t.
�ACREAGE:1 z A �
sn sn B./PG.: RURAL 74C W
/ Sx )S x z en en - v /�/�// W z� 7 \ /
M M _ �� � �9&- _ �� \
II
EXISTING FENCE M _-
M'_ _ _ _\ _ M -� �-,��� M-�,�—� M
TO REMAIN _u -," '"_ M
-__ __' --\ -�
.LIMITS OF \ \ - - - — PROPERTY LINE \ - -�- - ='vim
EXISTING SANITARY-
/ ISTURBANCE � � � -- - - -
- > SEWER—
EXISTING UNDERGROUND06y
TELEPHONELINE 20' PERMANENTACSA \ \
9 I / SANITARY SEWER EASEMENT/ Q
TMP: o ioo-oo-oo-ol6Do \ I \ \\
OWNER: SCOTTSVILLE ROAD 4
EXISTING iz" DIP (D.B.3179 90, 95) PLAT C j
HOLDINGS, LLC WATERLINE I A
VA TMP: o91A1-oo-oo-000Eo - _�, �� t, ,�� v \A ACREAGE: 2.22 AC / / V / / / / / / / / O
y OWNER: AVINITY ESTATES, LLC i i ; \ \ ZONING: R1 RESIDENTIAL \ \ I TMP: o9ioo-oo-oo-o16A1 /
ACREAGE:
2.24AC _- -----
-i�' ; ii OVA\\�
- D.B./PG.: 3257/702 —
\ /
�1A I
ZONING:
PRE) - RESIDENTIAL
D.B./PG.:
5124/676 --
--
V A V I OWNER: ALBEMARLE CARTER
a MOUNTAINS MANAGEMENT CO
V A ZONING: Ri RESIDENTIAL
\ a I I D.B./PG.: 348o/o68
T/�"x—
_—x—x—x \ I
50 \ 0 25� 50 100 A 200'
FEET) \
inch = 50 ft. v
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JOB NO.
202194
SCALE
1"=50'
SHEET NO.
4
I
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TMP:
ogloo-oo-oo-olzAo
� �I /
TMP:
09100-00-00-01100
OWNER:
THOMAS, DANNY B SR
/ /
OWNER:
COUNTY OF ALBEMARLE
ACREAGE:
0.51AC
SCHOOLBOARD
//
//ACREAGE:
i5.8oAC
ZONING:
R2 RESIDENTIAL
/
/ ZONING:
R2 RESIDENTIAL
WB/PG.:
', 176/131
/ /
/ D.B./PG.:
5258/620
\
I I
LIMITS OF
\
ISTURBANCE
(TYP.)
_ -
\
FLOW DIRECTION
EXISTING FENCE \
/
ARROW (TYP.)
TO REMAIN
I
PROPERTY LINE
1 \\
/ 0 / / / TMP: ogloo-oo-oo-oo8Bo TH F�
/ / OWNER: COUNTY OF ALBEMARLE 1
ACREAGE: 8.34AC �G7
ZONING: Ri RESIDENTIAL
/ / v SCOTT R. LINS]Z
V D.B./PG.: 1979/044 O
U Lic. No. 035791
7/19/21
1
sS10NALTMP: 09100-00-00-01000
E��l
OWNER: COUNTY OF ALBEMARLE /
SCHOOLBOARD
ACREAGE: 8.33AC DRAINAGE AREA(TYP)
/ LIMITS
ZONING: RiRESIDENTIAL / IS URBANCE
D.B./PG.: 1979/044 ,./ /(TYP.)
EXISTING GRAVEL Or/ —� TP / EXISTING COUNTY
I
ROADTOREMAIN \ / / / / / RESERVED
TP / / //�/ j STEEP SLOPES
/ / � / I / �� / � '�� � � —cos' / / ♦/ / / / z
o
a
/ ♦♦ �, / / / / / / I� w m
/ \ V ) �♦ _ / / / / / EXISTING ioo'
— / / / / / STREAM BUFFER/ z
PROPOSED 18" DIVERSION. / / / / / / / / , /U). Z
CONTRACTOR SHALL ENSURE
/'
POSITIVE SLOPE IS MAINTAINED./ / , / PROPERTY LINE
BERMSHALLBESTABILIZEDAS ➢Y� / / / �F //// //
PROPOSED PAVED CONSTRUCTION A FIRST STEP IN DISTURBANCE./
ENTRANCE (12'x70' MIN.) w/ WASH RACK
CE DD
& DOWN GRADIENT SEDIMENT - / / / / / / / / / / W
/ / / / / /
TRAPPING DEVICE TO TREAT FLASH --- '� TP
RUNOFF FROM VEHICULAR WASHOFF - _ / / / / / / / / /� / / / / ce
NOTE: SEE SHEET FOR SEDIMENT/
/ \�I TRAP#1 DESIGN INFORMATION / / / //// / / / EXISTING SANITARY SEWER
- / y / /
PHASE II DRAINAGE AREA IEXISiING COUTO REMAIN�
TO ST-1 = z.zz ACRES / // /// / / PRESERVED STEEP SLOPES
SLOPES STEEPER THAN 1 SHALL BE PLANTED WITH A / — — — — — - / 00 / / / 4'
NATIVE SLOPE MIX WITH ANNUAL RYEGRASS BY ERNST PROPOSED SAFETY FENCE, // / / /ob
K \ \ 49 INSTALL SIGNS "WARNING SAF / A / / 7 �
CONSERVATION SEEDS AT A RATE OF 6o LBS. PER ACRE, I i w I I \ \ ' \ / / � � QUICKSAND, KEEP our" / / / /i' / /
OR i LB. PER i,000 SF, UNLESS OTHERWISE SPECIFIED. I TS / F
SLOPES SHALL NOT EXCEED 2:1, AS SHOWN. / AV A \V / / PROPOSED iB"DIVERSION a / / / / /'\ �o TP �`/ /
CONTRACTOR SHALL ENSURE / / / / n� OP_- TP
C DID POSITIVE SLOPE IS MAINTAINED 14 SF/gyp
' \ BERM SHALL BE STABILIZED AS
A FIRST STEP IN DISTURBAN
� I
S a� / o
LIMITS OF PAVEMENT DEMO
PROPOSED STOCKPILE AREA /—` v PHASE II DRAINAGE AREA / j /! — IP T ° W
TO BE SUR
ROUNDED BY SILT ( / -\ \ \ TO ST-2 = 0.56 ACRES m WD /
\ FENCE AT ALL TIMES g - A - / �/ ��/ 7 0�
SED SA�E 5
w
INSTALL SIGNS "WARNING
QUICKSAND, KEEP OUT" / r / T x��+ _ - LIMITS OF M z
cnRMLANE SF / DISTURBANCE
TEMPORARY 1 CMP /LL
— — ♦ / +�' / OTC: SEE SHEET 8 FOR SEDIMENT I T
�" / I - r' O
INV. IN=48z.50, INV. our=480.00 / tea' ♦ 1 TRAP #z DESIGN INFORMATION
„ _ L ION OF FULL! AREA i ) / 1 I /-" ,�w �� J
/ L 73.00) S-a.o % / I _ I /� _ LINED OUTLET PROTECTION WITH RIR
,A?vtiy / / / � / / � � 5 / C NTRACTOR PA IRKING G l , / I V I/ TP ,PROPOSED VDOT STD. EC-1, CLAS I RIPRAP �� I i I W N O
�� ���-�- / //� ti� //,� // / / // I / &STAGING AREA / L I
O ��x-r R POSED SAFETY FENCE, I FABRIC UNDERLAYMENT TO EXTEND TO THE CT
CRS d \\\ '
4a TINSTALL SIGNS "WARNING / IMPACT THE STREAM's CHANNEL WITH THE
OP y� < \ I OP CHANNEL's BANK. CONTRACTOR SHALL NOT O (V L
SAF
QUICK SAND, KEEP OUT" 1 BYPASS STORM SEWER INSTALLATION.
PROPOSED PAVED CONSTRUCTION�� A - O
- / / e/ / / ENTRANCE (1z'x70' MIN.) w/ WASH ` x� / "� �� (L=110't, Wi=10.5', Wz=18'. D-Z')
�� / // // TOTAL LIMITS OF DISTURBANCE / // / / / / RACK& DOWN TRAPPING DEVRADIENTSEDIICE TO TREAT MENTASH DID SF _ A /o /o� > O
yti I 1�° � - � � / / / / / / / = 12. 2 AC R E5 � ' � / / / - / / / � � � � / RUNOFF FROM VEHICULAR WASHOFF ��� �
7 / / / / 1 ( / PROPOSED 18" DIVERSION. TS
CONTRACTOR SHALL ENSURE Ir I,
EXISTING/ / / / POSITIVE SLOPE IS MAINTAINED.
CHANNEL / BERM SHALL BE STABILIZED AS EXISTING TREELINE
A FIRST STEP IN DISTURBANCE. ,�' � / / / / / � \ � � % w
T I / EXISTING COW
/� BRANCH STREAM
Sa
///// /� / /� /� / �..,_/`� / I I rn I o FLOW DIRECTION
l� // / [� I�
i ARROW (TYP.) o YYY I Q
/INSTALL PROPOSED DRAINAGE BYPASS \ / v
---- / ��� i/�/ / // / // ��-- A 1 ---- �\V// Lu
Ui
=ao .—-- / / / �/� 66
LLC / / i / / / V J
EXISTINGioo'
a STREAM BUFFER
84—
O
a 8TMP: o 100-00-00-0180o
OWNER: WOOD WENDELLW
I III— — — — 4g \
/—==—%Z—==— --- - -- — X= — — - — \\ / / / / / 0� / ZONING: RURAL O
� � °�y� E� 5 .z AC MM
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- — — — — —
- - — _ — -_— — -- - - -- 5
D.B./PG.: 1 z /674 rwA
inn
W/ M M M
$ EXISTING FENCE M `TO REMAIN
Lu
LIMITS OF - - TING S - - - - ROPERTY LINE
_ �°°s� - EXISTING SANITARY -- P
-DISTURBANCE _ — a — — SEWER—
-(TYP.) -\ \ i EXISTING UNDERGROUND \ \ � --06b\ \1 I I / ---y - / / //,// Z _-_ -
/ _ - - Y _ - °� _ _ — TELEPHONE LINE I J I i ?` /
\\ (E)z0'PERMANENTACSA v A v W
TMP: o ioo-oo-oo-oi6Do \ / I /
—_ — 9 �3 I SANITARY SEWER EASEMENT \
OWNER: SCOTTSVILLE ROAD \ 4 r \ ILL.
EXISTING Iz" DIP \ _ (D.B.3179 90, 95) PLAT �-
\� HOLDINGS, LLC _ _ _ WATERLINE—
\\ TMP: og1Al-oo-oo-000Eo ACREAGE: z.zzAC W
OWNER: AVINITY ESTATES, LLC ; \\ ZONING: RI RESIDENTIAL \ s TMP: ogloo-oo-0o-o16A1
VA A \ \ \ ACREAGE: 2.24AC ; )�' VA \� — D.B./PG.: 325717O2 - — — — _ OWNER: ALBEMARLE CARTER
/ ZONING: PRD - RESIDENTIAL
c------- - _ — — — MOUNTAINS MANAGEMENT CO
\ / / D.B./PG.: 5124/676 __ �_/ V A _ _ ZONING: R2 RESIDENTIAL
CN
--__— — --_— A _ _ _ D.B./PG.: 34801068 _
Lu
Lr)
t — /
� � JOB NO.
.-x-x-x-.-.-; a �I �"� / / / / // / //� i / v v \_ 202194
GRAPHIC/SCALE SCALE
/50 0, 25 50 / 100 200
SHEET NO.
IN FEET
// / / / / / — �� v i// /� I inch ='0 ft. 5
/cpLTH OFF
SCOTT R. LINS�Z
' I TMP: ogioo-oo-oo-oo8Bo C.) Lic. No. 035791
OWNER: COUNTY OF ALBEMARLE 0 7/19/21
ACREAGE: 8.34 AC / �0
I / / v ZONING: Ri RESIDENTIAL ���10NAL ECGA
/ / v D.B./PG.: 1979/044
/ v
TMP: 09100-00-00-01000
/ I I OWNER: COUNTY OF ALBEMARLE
1
SCHOOL BOARD
/ ACREAGE: 8.33 AC DRAINAGE AREA(TYP.) / LIMITS OF
ZONING: RiRESIDENTIAL / ISTURBANCE
D.B./PG.: 1 /o
\ / / / / 979 44 1 I T / (TYPJ /
/ I
00 00
— / o
EXISTING GRAVEL A \ / / TP / EXISTING COUNTY
ROAD TO REMAIN ♦\ / / RESERVED I ~a
TP ° / / /// / STEEP SLOPES Vl
�/ / / / 0 N
/ / 0 <
v \ V00 ♦ v / / / / �/ / EXISTING ioo' \
vvvv \\ \\ �I , ,♦j♦- s v\v ---� / �� /// ////// /// STREAM BUFFER
PROPOSED 18" DIVERSION.
CONTRACTOR SHALL ENSURE I' / / / / / W
v v A I 9 — — — POSITIVE SLOPE IS MAINTAINED
/ / / PROPERTY LINE
TMP: 09100-00-00-01100 v v �/ /
TMP: THOMAS,DO-012A0 SCHOOL BOARD I BERM SHALL BE STABILIZED AS fg / F
OWNER: THOMAS DANNYBSR / PROPOSED PAVED CONSTRUCTION WASH
AFIRST STEP IN DISTURBANCE. DC
OWNER: COUNTY OF ALBEMARLE / ���
ACREAGE: o.S1AC v I \ ENTRANCE GRADIENT
MIN.)w/WASH RACK s v DID
ZONING: Ri RESIDENTIAL ACREAGE: iS.8o AC CE v / / 'r o% / / TP
& DOWN GRADIENT SEDIMENT
ZONING: Ri RESIDENTIAL A D TRAPPING DEVICE VEHICULAR
WASHO
WB/PG.: 176/131 _ / NLROM VEHICULAR WASHOFF
D.B./PG.: 5258/620
SEE SHEET 8 FOR SEDIMENT/
/ \ TRAP#i DESIGN INFORMATION / e /� / // ///�/ EXISTING SANITARY SEWER
/ / \ / r
PHASE III DRAINAGE AREA / EXISTING COUNTY To REMAIN
TO = = ACRES I/ / // i PRESERVED STE P SLOPES
V A
I A
\
-1 2.22 /�y ( poi A 1 / — -- / / / //�i / / ///5/
\ ( / PROPOSED SAFETY FENCE,
INSTALL SIGNS "WARNING F
QUICK SAND, KEEP OUT"
PROPOSED 18" DIVER I
CONTRACTOR SHALL ENSURE D / _ 1'P /
DD POSITIVE SLOPE IS MAINTAINED y7y SF/ ��
\ BERM SHALL BE STABILIZED AS
TP A A
V \ � _ / �- A FIR T STEP IN TURBAN ye
D STURBMITS A \V1� ° ♦ / /
'DISTURBANCE \ \ - - -- S i '_
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(TYP.) / \ I V \\ ♦ / TS / ,° 5/ / / e4 /� / ��� Lu
v ♦ b C ��
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EXISTING FENCE \ \ �. I h +
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PAd♦ %♦ / /� 1 y __
PROPERTY LINE \' ♦ ♦♦ FRROUNDENCE AT ALL TIMES �� \ \�. ti PHASE III DRAI4� GE AREA , M
♦ TO BE SURROUNDED TIME
� \ v TO ST-2 - O. ACRES WD / / �- ra , M LU
♦ ♦ I P / \ RO SED SAPEFIE ) �. / J a1 _ s5 TS - 1 N
♦ ) / - - �. A INSTALL SIGNS "WARNING SA / , — r' — _ Q
DC QUICK SAND,_ KEEP OUT' ��x
� � � •� � �✓� � / i � 1 / '� LIMITS OF
-L / p8 \ v ♦ av `. ""�,- /" a
NE x x� Sfzl2 P 6 — - SF (TYPIST)RBANCE 7 J
w L
WCATIONOF 25 CY DUMPSTER—rt // / �' A / ""x J 0
/ IP � N
v s ° / STOCKP LE ARE / / LOCATION OF PORTA-POTTIES
\ --
v o OE�S SEE SHEET 8 FOR SEDIMENT , T / Q� N
TP \ / / TRAP #z DESIGN INFORMATION / W Z
A V o / / / L CA �NO�FUELINGAREA��'� /-"
/� I� a^ _
Fl ACTOR PARKING / / I TP PROPOSED VDO STD. EC-1, CLAS I RIPRAP
& STAGING AREA_ — �� _ — LINED OUTLET PROTECTION WITH FILTER
CRS / I FABRIC UNDERLAYMENT TO EXTEND TO THE �-
\ O nd — — / PROPOSED SAFETY FEN \ I OP % I
— PROPOSED i8 DI' I LHANNEL's BANK. CONTRACTOR SHALL NOT , % O y W
CE INSTALL SIGNS "WARNING qF '�
/ CONTRACTOR SHA QUICK SAND, KEEP OUT" >YIMPACT THE STREAM'S CHANNEL WITH THE
v \ _ / / / / / / I v / R P SED PAVED CONSTRUCTION" \ BYPASS STORM SEWER INSTALLATION. / �,
64 V v / ° / / / / / / POSITIVE SLOPE IS MAINTAINED. DD i IL=110'f, W-10.5', W -18', D=2' A I �� A
1 / / ENTRANCE (iz'x7o' MIN.) w/ WASH BERM SHALL BE STABILIZED AS z- ) /
/� / / / TOTAL LIMITS OF DISTURBANCE / —/ / / A / RACK&DOWN GRADIENT SEDIMENT AFIRST STEP IN DISTURBANCE. A ° \ /O _ J A W
y� \ \ — \ / / � / / / / \ / / TRAPPING DEVICE TO TREAT FLASH
=1z.7z ACRES — — T _ ors J
/ � UNOFF F M VEHICULAR WASHOFF
/ i� / 9 /-� I / / I F+ H
-PROPOSED BAFFLES / EXISTINGTREELINE // / Lu
4� I � / 0
PHASE I DRAINAGE AREA - / i _ / / / / 1 // /
TOSB=6. 8ACRE5 a �� / (Z! U)
7 EXISTING COW / /) \
% 1 / BRANCH STREAM 1 / / / f / — H� 06
FLOW DIRECTION OV
/ A — — — —, / / / •°� / / / OPOSE6z8" DIV RSION. ARROW (TY �.) so 7y / /
CONTRACTOR SHALL ENSURE
POSITIVE SLOPE IS MAINTAINED.
BERM SHALL BE STABILIZED AS V / INSTALL PROPOSED DRAINAGE BYPASS
°. AFIRST EP IN DISTURBANCE.
/ w i--I
LLC eon _ �v it _ v �� I �/ / / ///
EXISTING ioo' / / -
�� ♦ v DC \ STREAM BUFFERul
cro
TMP: ogioo-oo-oo-og800 W
ye -a / (�
T i C _ I / // OWNER: WOOD WENDELL W
/�/J// A
F+ ~'
ACREAGE:Z ur)
RURAL
C I --I
V �-- --�- _ - -- - - --x-x - --- -- /I ZONING: RURAL
/ I S S S —! \ S Lu
S/ S S 5 + io — ._ton .ion ion. is ion— isn '' , �. ! 'or� a /.../ / // / D.B./PG. 1727/674 �I
M M M MCID
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— _ _ — —A1 M M M dIKF— Ah— M M/-� M
k __----_ _-- - _ a
TO REMAIN __ /
-asa v �_v// / / Z
PROPOSE FENCE,
LIMITS OF — E- — — — — — ROPERTY LINE
— EXISTING SANITARY- INSTALL SIGNS "WARNING
- vE DISTURBANCE=_a - - - \ SEWER— QUICK SAND, KEEP OUT"
TELEEXISHONELING RGROUND— \ (n U6b\ (E) 20' PERMANENTACSA / ` -- --- - Lu
TELEPHONE LINE \ ♦ I NOTE: SEE SHEET 8 FOR SEDIMENT I / / p
TMP: ogioo-oo-oo-oi6Do �� I i vim\ SANITARY SEWER EASEMENT -
BASIN DESIGN INFORMATION / O
/ _ \ OWNER: SCOTTSVILLE ROAD EXISTINGiz"DIP I j 4 D.B. 1 o PLAT
_ A / ( 3 79 9 95) N
HOLDINGS, LLC WATERLINE
V\ TMP: ogiAi-oo-oo-000Eo - ter' ; v\ V� ACREAGE: 2.22 AC
\ / OWNER: AVINITY ESTATES, LLC ;r i r ` � \ 40
ZONING: Ri RESIDENTIAL \ TMP: ogioo-oo-00-o16A1
V A VA V� ACREAGE:
z.z4 AC��r
D.B./PG.: 3257h02 --
1A�AI / ZONING:
/I
PRD- RESIDENTIAL
/ ��
_ _
VA
-
1
/
N -
�I OWNER: ALBEMARLE CARTER \ ° / / / / /� / / / / /
3 MOUNTAINS MANAGEMENT CO
ZONING: RI RESIDENTIAL \ / /// // w
I Lu
\ \ I D.B./PG.: 348o/o68 // / / / I / / - - - — \ \ 0
3
� d In
JOB NO.
�; GPHIC SCAA \ \ 202194
/A \ \ \ SCALE
�� // �// / so /o zs so ioo �� zoo 111=50'
IN F�'.T ) A SHEET NO.
1 1n�= 50 ft. 6
TMP: ogioo-oo-oo-oo8Bo
OWNER: COUNTY OF ALBEMARLE TH 0
f
ACREAGE: 8.34 AC O ��
ZONING: Ri RESIDENTIAL ✓
SCOTT R. LINS�Z
/D.B./PG.: 1979/044 Or-) Lic. No. 035791,E
I I
10 7/19/21
IONAL
I I
I I I
I I I TMP. ogloo 00 00 01000
\ / OWNER: COUNTY OF ALBEMARLE /
SCHOOL BOARD
ACREAGE: 8.33AC DRAINAGE AREA (TYP.) I / LIMITS OF
ZONING: R1 RESIDENTIAL / DISTURBANCE v
D.B./PG.: 1979/044 ? / (TYP.)
EXISTING GRAVEL A �\ Tp / / EXISTING COUNTY
/
i
RCAD TO REMAIN �` ♦'� \ / / / RESERVED
/// i STEEP SLOPES
/oil,s ♦ / / / / / / / / / /
IP
\ f /
IP �o� Lor / ^ //// / / / / IU) m
\ �♦ 49 w IP rt / //� // / j / / w
LOT ` I �Pe` I i
1 / / EXISTINGico'
L / / / / / / / STREAM BUFFERS O
\ \ \ LOT M H
PROPERTY LINE ,A w
TMP: 0 100-00-oo-olzAo TMP: ogloo-oo-00-01100 / _ L1oT \ `\ / / / / / / j / / / / (A
9 OWNER: COUNTY OF ALBEMARLE V°� wpR POS 6PAVEDC 'STRu Iav v / u / F / / / / /
104
OWNER: THOMAS, DANNYBSR I ACEC LOT ENTRANCE (1z'x7o'MIN.)w/WASH RACK 'r DC /�/ / / �,` /
SCHOOLBOARD / ✓ / / //
ZONINACREAG`:' RiRESI ACREAGE: 15.8oAC - GE &DOWNGDEDVICETOTREATFLASH / �� / / / / :::
ZONING: RiRESIDENTIAL ZONING: Ri RESIDENTIAL v �' Tp / / / w/
WB/PG.: 176/131 j _ - -_I o \ _T- NOFF O VEHI UL LJi
D.B./PG.: 5258/620 A 1=-- w�R
I I •
EXISTING SANITARY SEWER
IP EXISTING COUNTY TO REMAIN
/ PRESERVED STEEP SLOPES
,
,
or T / / / / / \ / OP rr TP m
/ SF
SF
LIMITS OF
DISTURBANCE
(TYP.)
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a- ` FLOW DIRECTION EXISTING FENCE 00 r % � SF \
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/ /
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W ` 1�f
PROP
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ERTY LINE �� ENCE AT AA�L TIMES — - — \ \ a_ bro -�^� /�
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IP LIMITS OF
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LOT A -POTTIES
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riven&STAGING AREA ACK& DOWN GRADIENT SEDIMENT
SF -.. + v f I- - -- -- I.. asveH / / / / I CRS IP / /..TRAPPING DEVICE TO TREAT FLASH P/{
I LOT LOT I NOFF FROM VEHICU AR WAS OFF
LOT `� LOT I I LOT I / PiT OT LOT
ILL
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LIMITS OF DISTURBANCE
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12.72ACRES 17 \ /d e U
/
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\ \\ _ . .. .. ,. ..BA\ ES � o
r � � � I f :� / EXISTI ELINE /
PHASE IV DRAINAGE _ - - / / -
�. LOT / LLJ
_ - »,� EXISTING COW
AREA TO SB = 8.1z ACRES w� LOT 1s BRANCH STREAM
i \ .._ _;:... ... y •.:...,,: ..,.. .. ... — .. ,: �..9 ♦ // I o FLOW DIRECTION
v / I L2pT ARROW P.) / / / 1
Z zLU
\ \LOT LOST/ LSYT LOT LOT LOT I J I �.
, LLC / I O LOT \ _ 3� / / 3 / 34 I p 3 3�11 I ' ` �9 80LOT j i I I I I I / \e \ µ� I ' �/ // '� / / e " // \ rrl••\I / i
4 d9 \ I I / / / / / / I / \ I _ — z I ' LOT I LOT I LOT L%T \ i I or / L/ J
LOTI SOT — Ir—z 1 / 22 m \ EXISTING 100'
— nsv _vex _ vau — —I -- _ asv asvasvcry I 261 25 -1 V
STREAM BUFFER
I i---r \ --- --- _ --- I DC I SF � -
AlPeN I B''
/ P5 1 - ---I 5 ✓ / / / / 5 / I S TMP: 09100-00-00-01800
IP / m r/ // / ✓ / / x/j \ OWNER: WOOD, WENDELL W W
- >
_.: x 8 a 8. .. — / / // 06�/ ACREAGE. 153.24AC ��
/ — - — — - - - _ 1 cam I � o / / � \ZONING: RURAL
CIP \ D.B./PG.: 17z7/674
.JI _ isn inn ., �,� / M //// /� /�
W
ul
I/ / / — — `� s - .... _. M — M—a-M _EXISTING FENCE- — — — ; _ — — _ — — — — , k °r // / / // / \ \ --_
x w
SF —� ,r .�+ l4 '"M - _ _ — _ M —1 — —M M M / l.4' M — M— M M —� M�"�� M— - \ / / / / ' / / / \ TO REMAIN _
LIMITS OF \ _ PROPOSED SAFETY FENCE,
�\ EXISTING SANITARY- -- — _ PROPERTY LINE INSTALL SIGNS "WARNING - -` - -'� - / / // // / �- - CJ] LLI
s � /
DISTURBANCE - _a - - - - \ / / \
_ \ SEWER— QUICK SAND, KEEP OUT' ' ^
_—(TYP. - v A —u6t
i EXISTING UNDERGROUND----
— -- _ - , \ �,a — TELEPHONE LINE \ I / \ (E) zo' PERMANENT ACSA / / — —
/ \ - \ \ - TMP: 0 100-00-0o-o16Do \ I \\ / _ W
I r 9 \ I NOTE: SEE SHEET 8 FOR SEDIMENT I SANITARY SEWER EASEMENT
EXISTING \ I 1 \ / (D.B.3179-90 95)PLAT \ _ \
OWNER SCOTTSVILLER AD DESIGN INFORMATIONLL
-- 0 BASIN RMA 4
HOLDINGS LLC WATERLINE I
V� -- ♦ ) d.
\\ / TMP: o91A1-oo-0o-000Eo = _ II ` i \\ \� - ACREAGE: z.zz AC — --- _ j j / / x l / / / W
\ y/ OWNER: AVINITY ESTATES, LLC = __,I 1,, �' f ; VA ZONING: R1 RESIDENTIAL f TMP: ogioo-oo-oo-o16A1
ACREAGE: 2.24AC - 1'� D.B./PG: 3257/702 - — OWNER: ALBEMARLE
-- I' ` u
ZONING: PRD - RESIDENTIAL 5 o j' \ \ II I MOUNTAINS MANAGEMENT CO d / / / // / / / / — CN ' `
/ D.B./PG.: — a / / /
1 _ _ _ � \ — � � ZONING: R1 RESIDENTIAL \ / / /�) � � � � � �
D.B./PG.: 348o/o68 v // / / n / - —
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JOB NO.
iT�' —\ I 3 / \ 202194
GRAPHIC/SCALE v
/
SCALE
50 / 0 25 50 100 zoo
if
SHEET NO.
IN FEEToi,,) A
/ A / 1 inch = 50 ft. 7
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1992 3.07
GRAVEL CURB INLET SEDIMENT
FILTER
/ / r
GRAVEL FILTER i7•
RUNOFF WATER WIRE MESH
FILTERED WATER
e
4
WE
Rai
„1I' FF
SEDIMENT
R
CONCRETE GUTTER 12'
CURB INLET
SPECIFIC APPLICATION
THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS
WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO CAUSE
INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND UNPROTECTED
AREAS.
- GRAVEL SHALL BE VDOT #3, !357 OR 5 COARSE AGGREGATE.
Source: Va. DSWC Plate 3.07-6
ANTI -SEEP COLLAR
SATURATED ZONE
CONNECTIONS BETWEEN
THE ANT -SEEP AND
THE BARREL MUST BE
WATERTIGHT
Source: Va. DSWC
Plate 3.14-4
ANTI -SEEP COLLAR REQUIREMENTS:
i. THE SEDIMENT BASIN OUTFALL PIPE BELOW THE RISER REQUIRES TWO 4.3'Lx 4.3'W COLLARS.
z. THE MAXIMUM SPACING OF THE COLLARS SHALL BE 14TIMES THE PROJECTION OFTHE COLLARS ABOVE
THE BARREL.
3. COLLARS SHALL NOT BE LOCATED CLOSER THAN 270 A PIPE JOINT.
4. COLLARS SHALL BE SUFFICIENTLY FAR APARTTO ALLOW SPACE FOR HAULING AND COMPACTING
EQUIPMENT.
5. 95%COMPACTION SHALL BE ACHIEVED IN THE AREAS SURROUNDING THE COLLARS.
6. CONNECTIONS BETWEEN THE COLLARDS AND THE BARREL SHALL BE WATERTIGHT.
Sediment Basin Design
drainage area (acres)
8.12
basin volumes: (using 2' contour intervals)
elevation (ft) contour area (sf)
volume(cy)
472.00
1898.0
0
474.00
2894.0
691
476.00
4111.0
1,171
478.00
5533.0
1,794
480.00
7147.0
3,491
482.00
9470.0
5,761
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 4.1 Q 2yr
I25yr 6.0 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)
HIGH WATER
STORM ELEV.)
DRY ' STORAGE
WET STORAGE
SEDIMENT CLEANOUT MINI
1• TO " STORAGE REDUCED
MIN. 1-WISPILLWAY
T WITHOUT
1I
RISER CREST
EFACE RING
CREST OF EMERGENCY
SPILLWAY
544
design high water
480.50
476.62
top of dam (ft)
482.00
544
top width of dam (ft)
10.0
276
bottom of basin (ft)
472.0
474.75
approx. bottom dimensions:
35'1
1.9
upstream face slope:
2:1
downstream face slope:
3:1
544
baffles:
YES
479.50
length of flow, L (ft)
92
597
effective width, We (ft)
73
5.0
L / We (baffles required if < 2)
1.3
7.0
collars:
YES
depth of water at spillway crest (ft)
7.50
0.45
slope of upstream face (Z:1)
2:01
10
slope of barrel (Sb)
0.59%
15.0
length of barrel in saturated zone (Ls)
46.09
24.1
number collars required
2
dimension of collars
4.3'x4.3'
1.00
emergency spillway:
YES
48
required capacity (Q25-Qp) (cfs)
9.1
15.0
bottom width (ft)
40
72
slope of exist channel (ft/ft)
5%
124.8
minimun length of exit channel (ft)
39
11.3
crest of spillway (ft)
480.5
18
Sediment Trap #2 Design
drainage area (acres)(<3)
1.09
trap volumes:
elevation (ft) area (sf) volume(cf)
volume(cy)
471 629
0
0.0
472 741
684
25.3
474 1269
2,671
98.9
476 1925
5,842
216.4
wet storage:
wet sterage required (cy) (67*DA)
bottom of stone weir (ft)
wet sterage provided at this elevation (cy)
slope of wet storage sides
dry storage:
dry storage required (cy) (67*DA)
crest of stone weir
dry storage provided at this elevation (cy)
slope of dry storage sides
ORIGNAL
GROUND
EIfV,
CREST OF STONE WEIR
\
y
1'I VARIABLE
yppgBLL•
DRY STORAGE -
,.? YARNBt£•
WET STORAGE
a' MA%.
(IXGVAIFD)
FILTER CLOTH
p
.D
G(fOUxD
E.CV.
-SUE PLATE 3.13-1
COARSE AGCREGATE�
CLASS I RWRAP
73.0
473.42
73.0
1:1
weir length (ft) (6xDA)
6.5
bottom of trap elevation (ft)
471
73.0
bottom trap dimensions:
17'x37'
475.0
top of dam elevation (ft)
476
74.2
top width of dam (ft)
4'
2:1
top trap dimensions
35x55'
SEDIMENT BASIN DETAIL, S&LE 1 H=20T- i
�486
L -
i
GRAPHIC - SCAT V
zo o i0 ?D 40 ao, /
IN FEET)
1 inch 20 ft. /
J r
/
I
/ PROPOSED SAFETY FENCE,
/ INSTALL SIGNS "WARNING SAF
QUICK SAND, KEEP OUT"
PROPOSED BAFFLES
STIR. A6, A VDOT STD. B-1(CONCRETE MANHOLE BASE WITH A
048") SHALL SERVE AS THE RISER's LOWER SECTION & SHALL BE /
SET IN THE PROPOSED REINFORCED CONCRETE FOUNDATION. A /
048" STANDPIPE WITH A RIM ELEVATION OF 479.So' SHALL /
COMPLETE THE STRUCTURE. RISER TO INCLUDE (i) ONE
PERMANENT 05" LOW -FLOW ORIFICE WITH AN INVERT /
ELEV.=470.00 & (5) FIVE 012" MID -FLOW ORIFICES WITH INVERT
ELEVATIONS=477-33'. ALL ORIFICE OPENINGS SHALL HAVE STATE
APPROVED TRASHRACKS, TYPICAL. SEE THE DETAILS WITHIN THIS ti \
SET FOR ADDITIONAL INFORMATION.
Sao �
_ ,
_ - - - - TO PREVENT FLOTATION THE RISER �0
BASE SHALL BE FIRMLY EMBEDDED \ N1A \ 2: J�aC
6" INTO AN 18" THICK REINFORCED
CONCRETE FOUNDATION THAT IS N�ti
8'x8', AND BURIED BELOW GROUND.}
a�
PROPOSED VDOT STD. EC-i, CLASS I
RIPRAP LINED OUTLET PROECTECTION
WITH FILTER FABRIC UNDERLAYMENT.
NUNN
4'Wx42'Lxi.5'D iDn �
P
P
C
�
i
A6
:1
\ II
SEDIMENT TRAP #1 DETAIL, SCALE 1 "=201
8
PROPOSED SAFETY F NICE,
INSTALL SIGNS "WARNING
QUICK SAND, KEEP OUT"486
/
478 / �� /
/ /74776.
`" 466 4 $TONE WEIR OUTFALL5
// 7 7 N
40'
470
, / 468
472 / �47
N
/
i
0-10 /
/
4 WIbE TOP OF DAM /
41
/ �LE
5
/
i
Sediment Trap #1 Design
drainage area (acres) (<3)
2.22
trap volumes:
CREST OF STONE WEIRORIGINAL
Ap gE•
elevation (ft) area (so volume(cf)
volume(cy)
GROUND
466.00 800.0 0
0.0
468.00 1056.0 1,850
68.5
DRY STORAGE
470.00 1344.0 4,244
157.2
472.00 2016.0 7,582
280.8
474.00 2816.0 12,391
458.9
WET STORAGE
(IXCAVATFD)
a'.
CLOTH ORIGINAL
GRC INO
\PETER
ELEV
Wet Storage:
.SEE PLATE 3.13-1
COARSE AGCREGTE•• CLASS I RIPRAP
wet storage required (cy) (67*DA)
148.7
bottom of stone weir (ft)
469.8
wet storage provided at this elevation (cy)
148.8
slope of wet storage sides
1:1
weir length (ft) (6xDA)
13.3
dry storage:
bottom of trap elevation (ft)
466
dry storage required (cy) (67*DA)
148.7
bottom trap dimensions:
20'x4O'
crest of stone weir
473.0
top of dam elevation (ft)
474
dry storage provided at this elevation (cy)
220.9
top width of dam (ft)
4
slope of dry storage sides
2:1
top trap dimensions
44'x64'
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VDOT STD. ES-1
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PROPOSED VDOT STD. EC-i, CLASS I 0
I RIPRAP LINED OUTLET PROTECTION O 7
WITH FILTER FABRIC UNDERLAYMENT . / K U
TO EXTEND TO THE CHANNEL'S BANK. / / S R O A I I I CONTRACTOR SHALL NOT IMPACT THE / / 1 0
STREAM'S CHANNEL WITH THE BYPASS
STORM SEWER INSTALLATION. f x / /)
II (L=i lo'±, W'=io.5', W�=i&, D=z') W
LU
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06
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JI PROPOSED 40' WIDE VDOT CL. Al RIPRAP LINED LU
/ EMERGENCY SPILLWAY w/4:3 SIDE SLOPES & FILTER U H�
FABRIC UNDERLAYMENT. SPILLWAY CREST ELEV.=480.50. . C)
t _ (V
i �\ • j
/ I
^p I I • a a` v SEE SWIM PLAN FOR SCALED PROFILE - (
1 \ OF THE 018" HOPE OUTFACE BAR 1 L = v
/ I w
° a u=)
JOB NO.
• /o
io TOP OF DAM ELEV.=r18z.00' 202194
SCALE
N TE: THE RISER FOR THE SEDI ENT BASIN SHALL INCLUDE A 05" DEWATERING ORIFICE WITH AN INVERT / I 111= 201
ELEVATION OF 476.62'. THE DEWATERING ORIFICE SHALL BE PERMANENTLY PLUGGED WATERTIGHT AT THE TIME °
OF THE BASIN's CONVERSION TO A SWM FACILITY. ALTERNATIVELY, THE CONTRACTOR MAY ELECT TO REMOVE /
THE UPPER RINGS OFTHE RISER HOUSING THE DEWATERING ORIFICE & INSTALL NEW RINGS MEETING THE SHEET NO.
' SPECIFICATI. NS OF THE PERMANENT S M FACILITY-_s RISER. ° / /
NOTE: VDOT WILL ONLY MAINTAIN WITHIN DRAINAGE EASEMENTS TO THE EXTENT\ 'i a / / T.M.91-8/B I /I f7/19/21
/
NECESSARY TO PROTECT THE ROADWAY FROM FLOODING OR DAMAGE. PROPO EDRETAININN\ 50� YD 4D / / / COUNTY OF ALBEMARLE,V Cl IA WALL, MAX. WALL HEIGHT 5p0-— \ , / D.E0979-44,46 & 47 L TABOVE FINISI�ED GRADE=6'PROPO iz'HD
P RD _ _ _ YD-4E +',> SIN SYSTE wN •-� r — — V COUNTY DEFINED PRESERVED STEEPPRIVA RAINAGE -ai'SLOPES FOUND TO HAVE LESS THAN / Y L� LETYP. YD 4C / ! / ° az5/a SLOPE5IN FIE�D SURVEY / \OT >'iY',/'' SLOPES STEEPER THAN i SHALL BE PLANTEDWITH NATIVE STEEP SLOPE MIX ` `
YD-48 �PSPEN \ ] /� / \ / > ' + ' + '{/[/>+' a, / / WITH ANNUAL RYEGRASS BY ERNST CONSERVATION SEEDS ATA RATE OF \
s LOT 6o LBS. PER ACRE, OR i LB PER i,000 SF, UNLESS SPECIFIED OTHERWISE (TYP. \
\PROPOSED RiTAINING
\ ALL, MAX. WALL HEIGHT
AB VEFINISHE GRADE=6' - / �pJ �49 ) \ \ \
/ 496 YD-4 4 00 \ =496. / LOT
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LOT F _ i , p ;/ 7 7,�''�'�',''+'�+
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U DARY,
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LOT I �.p I _ \ .r j� ABOVE F'iNl6i i >GD=
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F,RTs ALL BE ' a
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+
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FFE=4 0133
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'F ND TI N. RAINS STERSIJNKPyMiNIty1UNI�F6 .+>i'�ai' '+ia f- b- > LL
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flTERIIf% C 1 NJ,i 6, AO DEFINED Lu 0
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PROPOSE
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YD-z DRAINAGE SS
PROPOSED PUBLIC i / i > ', i+ >+> ' +> + +'TI, ' ' y a I� ', ', + Y / \\ U
DRAINAGE it iPR'OPD3ED,RIPRAWLI' ED' > '+ a �>'> I ++' i > ' '>>'
3 \ \ ASEMENT, TYP>> ' OUTFALL TO E'XTE. TO' '> ,i>' iiai,>,'
+ .i \ + >a > ', >+, 'STREAMIAANK
>�Li+ / eez8 J LOT / , a a > >
• + +a\' > '1, �/ 1 W� h 1 �2i +i>> OPOSL`D YD'iT.STD. )=S1+a i+
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PROP ;SED'SWM'FACIL'IT16&'>> a ' _ii>�'ii+ ' ' i '+ >'i / Y CO O
NAN�EEASEMENi ' ' >>>> + / Ul
—w 448
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EF NISHED GRADE=3' �,�
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W 26
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LL W zUNITS • >�/i+i Q� i\,: i>'>ilbi a a a > > 'ia>
)F 2A. — zUNITS zUNlTS 2UNITS �. + a ' i�v > �� ++a>' +I 'i++ '>ia i'a i++'ai> > > is>'+>aJ , Y / JOB NO.
z UNITS ROOF-z > of + PRpPOS;I) i > dZ'
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LIT
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'4 81 — 4� — / z ' + � ����0 �/ �> '.�>�'�� >�� �'�' '� ','> �+ 6+�a>'>> 30 0 115' 30 Bo 120 11 1
+ +
+
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PROPOSED VDOT STD. ES-i 8-HDPE ROOF) PROPOSED PUBLIC ' ', > > > , > + > , ' > ' + , ' , ' , ' ', '>+ —, + > a i i SHEET NO.
& RIPRAP OUTFALL — L f1 FOUNDATION DRAIN SYSTEM y1F. _ > IN FEET )
'••�-"TEDiWI-Fli)IVW2WATE loc iE'-�� _ _ - __�_ + a a a > ' +.. >>> '
EASEMENT; TYP. -- , + as + +> \,�,ia ' > a ' is ' '^'y = 30 n
DRAINAGE EASEMENT - i'�+i + l.0 i 7
' ' ''` I ' �i 1 inch ft
(PROPOSED R�TAINING
ALL, MAX. WALL HEIGHT
A7VEFINISHE GRADE=�
SCOTT/R. G'ULLINSZ
U Lie. No. 035791 n
u / / / `6 7/19/21 ,cCj
/>'>>.SPACEC'>
T.M.91-12A \
CLAUDE S.SHELHORSE,JR. & VIRGINIA THOMAS \
§HELHORSE / / / / /
D.B..1049-86 �X
D.B.521-523 PLAT r D.B.337-255 PLAT \ / / / / / / a (BAR=49'1.33
/ F E=493,9z
12
Z
o
\ \ / / I r A =49i_ 7 cc k
/ / \ T.M.91-11 I \ \ F=492.25 I o v=i
SCHOOL BOARD COUNTY OF ALBEIMARLE,VIRGINIA LOT z
/ D.B. 5258-620 � \ I O a
\ ".1979-46 & 47 PLEAT Fn F-
A V 110 w z
Lu _ >
I \ Lu
LLJ_ \I
w o
\ --
_ '
\ ia6
LJ. PROPOSED VDOT STD. �
i
/
y
PROPOSED ROAD
PROPOSED RETAINING / 4
\ - INAGE SYSTEM
i
WALL, MAX. WALL HEIGHT
ABOVE FINISHED GRADE=6'
36� SLOPES STEEPER THAN 3:1 SHALL BE PLANTED WITH NATIVE STEEP SLOPE MIX I I T -- 1$ I ((
h WITH ANNUAL RYEGRASS BY ERNST CONSERVATION SEEDS ATA RATE OF PROPOSED lz HDPE YARD \
\ 6o LBS. PER ACRE, OR 1 LB PER i,000 SF, UNLESS SPECIFIED OTHERWISE (TYP.) DRAIN SYSTEM w/ lo'
PRIVATE DRAINAGE \ A 1 N ) °) /
EASEMENT, TXP.��Ir C -
t f
AS N�
T. M.91-13 1 153 \ \ \ 53
COUNTY SCHOOL BOARD OF �_--
ALBEMARLE COUNTY VIRGINIA LOT LOT
- - - 5
2 - 5
>j.
D.8.1033-313 I 4 1 1 r ASPEN
_ --- -o „
D.B.1033 313 GAR 526.0o I R= z ° I I � � ^� - - ROPOSE918
= .1 5 4 - �- - - - _ _ DRAIN,NVLET TYP. i FFE- _
D.B.619 368 PLAT / Sz7 7 FFE'S�S.z LOT
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FFE=S z F�Szz.58 B\ =5iz. 8 B T=5o9. 5 SMT=S 5 B MT=S 75 / 4
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ASPEN ASP ASPEN I- J r r C r r r ASPEN LL l7 LL ,.✓
DRAIN SYS;�kNf w/lo' / I- L �- / -- -- -- --- I L l7 2UNITS w W
PRIVATE DRAINAGE I � L - - L / _� ROOF-zA
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z UNITS
\ / oTW 89 486_-- - ------ ------ --- - B
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486 BW
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� PROPOSED CULVE � POSED VDOT STD PROPOSED 8'`HDPE ROO
c = 0"5s - `, 1`J (l 1`J f1 Lon. BENEATH PRIVATE ACCESLSCn _ ES1 _ ion FOUNDATION I IVPRIYST
\ \ \ \ p_ J CC� PRO
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D.B. 67-750 \\ / D.B 5T24-678TA PLC / ' j" '/ - - - _ - - M _ ate- M M �N ` \
\pp _ \ 202194
�D.B.48 -228 L T \I \ \\ / �B.4990-174i / - \ _ _ _ _ _ _ -� -� - - -- C SM
1 - \ -Y SCALE
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D.B.3480-44 & 45 PI AT ( IN FEET) \ SHEET No.
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9
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DRAINAGE DESCRIPTIONS
STIR.
NO.
PIPE INFORMATION
INLET INFORMATION
COMMENTS
DIA.
in.
LENGTH*
ft.
SLOPE
°/a
INVERT
IN
INVERT
OUT
MATERIAL
INLET
TYPE
Curb
Type
RIM*
ELEVATION
ES-1
ES-1
-
488.50
7
30
273.70
1.86%
484.60
479.50
HDPE
8
DI-7
-
484.20
Top of Sir. TBD with final Lot Grading
7
1 30
1 185.33
1.97%
479.40
475.75
HDPE
6
1
1
DI-7
-
480.00
Top of Str. TED with Final tot Grading
5
30
51.94
1.75%
475.65
474.74
HDPE
4
MH-1
-
482.00
3
30
197.56
1.69%
474.64
471.30
HDPE
2
MH-1
-
482.00
1
36
36.02
1.53%
468.80
468.25
HDPE
NOTE: VDOT STD. IS-1 REaD ON ALL INLETS
axs
� I
1
i
/ �bJF
i
p p,VED FEN
xz
\ GAS XIE FARM r
/ `' / \ \ / \ / \ CONT OR SHALL DEMOLISH �°
EXIS ING BLDING PRIOR TO
-PRO EDX6OT-`STD. E-6 1,-LASS\ / INSTAION OF THE PROPOWD
RI
I I / \ -i� / �'`WW'``✓l✓/\\ /\ /\/- INLET PROTECTION (2' BYPASS STORM SEWER.
DITH FILTER F C
UNARENT O BE LED
/
IN
�EXTSTIN6 DUCH FOR A LENGTH OF 18'.\
1+00 oo\� 3+00
494 _ 4+00
4 --
0 f FEE +00
� s 5 S\ S S s - --cRAlvEt - -
AVINITY!5WM FACILITY/ i /��•i -- \ _/_ � � �
-CONTRACT93_SHALL HVSTALL A
-GRASS-LINED 24" DEEP V-SHAPED
Water
Plan View
c�
Section A -A
Circular FES Trash Guards
Model: FES Trash Guard
Isometric View
(For Reference Only)
End View
For more information about our pmtlucla p"aae wait us on the web at
rec Great Plains West Region oldcaniepaetcom 888-9 Oldcastle
02013 Olticastle Precast, Inc. (868.965-3227)
W-P-11
::
475
470
465
xy J / I/
(20 2) \\ 9 \ \ I \ \
\ O 1
I
\ - /
1 7P��ttO OSED V STD. EC-1, CL
pu PRAP L E TLET. PROTEC
\\ \ \ TDTEEN EROTRI`CHANNEIx I LAY
SOREAM's AN LIT" HEA�C
M SEWER IINSTA TIC
` =I10, .=.k° vci C
<- 7 i
/ CONTRACTOR SHALL INSTALL THE_.
OPENI f . 2 FOR THEfFUTURE IXPIPECONNECTION. THE OPENING
SHALL BE TEMPORARILY BLOCKED AT
THIS TI ND SHALL BE REOPENS --. ,,�
AT TH6�IME OF THE SITE'S STORM'
JSEWER CONSTRUCTION.
J
IS
2.002
0
IT NIF
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M0
I
z� y�
J - t
0- STREAM
BUFFER
CONTRACTOR S•�.�•.�L INSTALL TH 6+00
OPENING IN STR. 4,FOR THE FUTURE
PIPE CONNECTION, THE OPENING
SHALL BE TEMPORARILY BLOCKED AT
THIS TIME AND SHALL BE REOPENED
AT THE TIME OF THE SITE'S STORM
SEWER CONSTRUCTION. EXIS CONTRACTOR SHALL DEMOLISH THE TING /Y
' STRUCTURE &PROPERLY DISCONNECT THE
i OVERHED LINE PRIOR TO THE INSTALLATION
h n 5+00�/� -D OF THE PROPOSED BYPASS STORM SEWER.
s� AA /T
CHANNEL WITH 3.1 �SI SLOPEIMI I --06b
ROOM STA. 0+5S% . 6, AS SHOWN. \ I TO EMAIN Al IHIS'TIO E. I
�VINITY-ILSWMIFACILITY (�
CONTRACTOR SHALL INSTALL A GRASS -LINED 24"
DEEP V-SHAPED CHANNEL WITH 3:1 SIDE SLOPES
(1% MIN.) FROM STA 0+50-STR.6, AS SHOWN.
PROPOSED VDOT STD. ES-1 WITH
TR4SHRACK. SEED AIL ON THIS SHEET,
R EQUIVALENT, =OR TRASHRACK.
XISTNG
\ GRADE
POSED VDOT STD. EC-1, CLAS I
:AP LINED IN ET PROTECTION 2'
DEPTH) WIT FILTER FABRIC
ERLAYMENT TO BE INSTALLED IN
'ING DITCH F DR A LENGTH OF 8
30" HDPE
E
18LF01.72ya
STR:8 VDOT STD. DI-7
(WITH 60" ID BASE)
TP=484.20
INV IN: 479.50 TO ES-1
INV OUT: 479.40 TO 6
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(n f-z_ z_ z z_ z
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FUTURE LOT
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- - -
GRADE
(p HZ z Z
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INTERIM ESC GRADING
\
\
161.930!
HDPE
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2.259,
30" HDPE
- - -
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51.94 LF ® 1.75%
-
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197.56 LF
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36" HDPE
36.02 LF ® 1.53%
460
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BYPASS STORM SEWER
NUM
§74 �
RfA�HIC SCALE
0 40 100 200
a _
( IN FEFJl' )
/ 1 inch = 0 ft�
iCOTT / R. 71?LLINS Z
Lic. No. 035791 a
7/19/21 ,Q'1
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(f)
490 PROFILE NOTES: >
1. PROPOSED STORM SEWER SHOWN IS HDPE. THE CONTRACTOR MAY z W
SELECT A VDOT APPROVED MATERIAL IN LIEU OF THE HDPE FROM W t ^ Q
THEIR APPROVED LIST. ALL PIPES, PIPE BEDDING, BACKFILL AND W_ V
INSTALLATIONS SHALL BE IN ACCORDANCE WITH THE CURRENT VDOT >
STANDARDS. ANY PIPE MATERIAL PROPOSED AS CL. IV RCP SHALL W
485 NOT BE SUBSTITUTED WITH ANOTHER PIPE MATERIAL. (n
2. CLASS I BACKFILL MATERIAL SHALL BE CRUSHER RUN AGGREGATE SIZE M
NO. 25 OR 26, AGGREGATE BASE MATERIAL SIZE 21A OR 21B, Q
FLOWABLE FILL, OR CRUSHED GLASS CONFORMING TO THE SIZE
REQUIREMENTS FOR CRUSHER RUN AGGREGATE SIZE 25 AND 26, PER 0
VDOT ROAD AND BRIDGE SPECIFICATIONS, SECTION 302.03G. I�
ROPOSED VDOT TD. EC-1, CLASS I 480 3. ALL DRAINAGE STRUCTURES WITH A DEPTH OF 12' OR GREATER SHALL
-
RIPRAP LINED OUTLET PRJDTEC I JUN Wt I H HAVE SAFETY SLABS IN ACCORDANCE WITH STANDARD SL-1 AS FOUND x" U) J
FILTER FABRIC UNDERLAYMENT TO W U 0
EXTEND TO THE HANNEL's BANK. IN THE 2008 ROAD AND BRIDGE STANDARDS. I --I
CONTRACTOR SHALL NOT IMPACT TIF E 4. ALL DRAINAGE STRUCTURES WITH A DEPTH OF 4' OR GREATER SHALL ' /
S REAM's CHANNEL WITH THE BYPASS HAVE STEPS IN ACCORDANCE WITH STANDARD ST-1 AS FOUND IN THE
STORM SEWER INSTALLATION. I- 1
L=110'f, W1=10 5', W2=18', D=2' 475 2008 ROAD AND BRIDGE STANDARDS. Q z
5. ALL FILL TO BE PLACED AT 95% COMPACTION.
ROPOSED VDOT 6. MINIMUM 3.5' OF COVER MUST BE MAINTAINED OVER W/L. '-I CO0
STD. ES-1 7. MINIMUM OF 1' OF VERTICAL SEPARATION FROM STORM SEWER & W/L U
AND 1.5' OF SEPARATION BETWEEN W/L & SANITARY SEWER MUST BE D
468.25' PROVIDED. W � z
470 Z V ) 1 W
VERTICAL GRAPHIC SCALE
465 LU
5 0 2.5 5 10 20 J W Q
5.7PPROX MATE LOCATION OF
EXISTIN 8" SANITARY EWER ( IN FEET ) mmi W Z
1 inch = 5 ft.
H-1
460 HORIZONTAL GRAPHIC SCALE X O
0 0 M t7 00 50 0 25 50 100 200 O 0
O O 1 1 1 1 1
L0 U < Lw.L
( IN FEET) H-
1 inch = 50 ft. w
o W
d u)
JOB NO.
202194
SCALE
1"=5' (V)
1"=50' (H)
SHEET NO.
11
STORMWATER MANAGEMENT NARRATIVE:
OVERVIEW
THIS PROJECT IS FOR A NEW DEVELOPMENT, THE GALAXIE FARM SUBDIVISION. STORMWATER TREATMENT IS PROVIDED TO MITIGATE THE IMPACTS FROM THE
PROPOSED IMPROVEMENTS. THE STORMWATER MANAGEMENT PLAN COMPLIES WITH PART IIB SWM REQUIREMENTS AND SUMMARIES OF THIS COMPLIANCE ARE
SHOWN ON THIS SHEET. PLEASE SEE THE ACCOMPANYING STORMWATER MANAGEMENT CALCULATIONS PACKET FOR ADDITIONAL DETAILS.
WATER QUALITY SUMMARY
THIS DEVELOPMENT REQUIRES THE REMOVAL OF 9.38 Ibs/yr OF PHOSPHOROUS. THIS PHOSPHOROUS REMOVAL RATE IS MET THROUGH THE BEST MANAGEMENT
PRACTICE OF PURCHASING NUTRIENT CREDITS. THE REMOVAL RATE IS BASED ON THE DEQ VRRM
WATER QUANTITY SUMMARY
THE PROPOSED DEVELOPMENT CREATES THREE (3) CONCENTRATED OUTFALLS. THE TWO PROPOSED CONCENTRATED OUTFALLS LABELED #1 & #2 ARE FOR ONSII
SUBAREAS A & B, RESPECTFULLY, AND REPRESENT THE ONSITE AREAS USED IN THE CHANNEL AND FLOOD PROTECTION ANALYSIS.
SUBAREA A DRAINS TO A PROPOSED DRY DETENTION BASIN NAMED DETENTION BASIN 'A'. DETENTION BASIN 'A' PROVIDES STORMWATER QUANTITY TREATMENT,
BUT NOT STORMWATER QUALITY TREATMENT, AND DISCHARGES INTO SITE OUTFALL #1. CHANNEL PROTECTION IS MET FOR SUBAREA A VIA 9 VAC 25-870-66,
SUBSECTION B.3.a (ENERGY BALANCE). THE LIMITS OF ANALYSIS FOR SUBAREA A's CHANNEL PROTECTION TERMINATES AT THE OUTFALL SINCE SUBSECTION B.3.
IS SATISFIED. FLOOD PROTECTION FOR SUBAREA A IS MET VIA 9 VAC 25-870-66, SUBSECTION C.2.b (POST -DEVELOPMENT 10-yr PEAK FLOW < PRE -DEVELOPMENT
10-yr PEAK FLOW). THE LIMITS OF ANALYSIS FOR THE FLOOD PROTECTION ALSO ENDS AT SITE OUTFALL #1, SINCE SUBSECTION C.2.b IS MET. PLEASE NOTE, THE
BULK OF THE PROPOSED DEVELOPMENT IS CAPTURED IN SUBAREA A AND ITS RUNOFF IS ATTENUATED THROUGH DETENTION BASIN 'A,.
THE SECOND CONCENTRATED OUTFALL, SITE OUTFALL #2, CONVEYS RUNOFF FROM SUBAREA B. SITE OUTFALL #2 REPRESENTS THE RIPRAP LINED OUTLET
PROTECTION IN THE STREAM'S BED, LOCATED IMMEDIATELY BELOW THE STORM SEWER & CULVERTS' ENDWALL. THE HYDRAULIC GRADE LINE CALCULATIONS FOR
THE STORM SEWER ASSOCIATED WITH SUBAREA B WERE ANALYZED WITH THIS PLAN FOR ADEQUACY. CHANNEL PROTECTION IS MET FOR THIS SECOND
CONCENTRATED OUTFALL (CONVEYING PROPOSED SUBAREA B) VIA 9 VAC 25-870-66, SUBSECTION B.l.a (2-YR PEAK FLOW IS NOT EROSIVE IN MANMADE PIPES A
RIPRAP). THE LIMITS OF ANALYSIS FOR THE CHANNEL PROTECTION TERMINATES AT SITE OUTFALL #2, THE STREAM's RIPRAP LINED BED, SINCE THE STREAM'S
DRAINAGE AREA IS 100 TIMES GREATER THAN THE CONTRIBUTING DRAINAGE AREA OF SUBAREA B. THIS SUBSECTION IS BA.a. FLOOD PROTECTION IS MET FOR
SUBAREA B VIA 9 VAC 25-870-66, SUBSECTION C.2.a (CONFINES THE POST -DEVELOPMENT 10-yr PEAK FLOW). PLEASE NOTE, THE PEAK BACKWATER ELEVATION
DOES NOT CREST THE ROAD's CROSSING & ITS FLOW IS CONFINED WITHIN THE CULVERTS. ALSO, THE AFOREMENTIONED STORM SEWER ANALYSIS CONFIRMS
SUBAREA B's RUNOFF IS CONTAINED WITHIN THE CLOSED STORM SEWER NETWORK. THE FLOOD PROTECTION ANALYSIS FOR SUBAREA B TERMINATES AT SITE
OUTFALL #2 SINCE THE SITE's CONTRIBUTING DRAINAGE AREA (ONSITE DA B) IS LESS THAN OR EQUAL TO 1% OF THE TOTAL STREAM's WATERSHED. PLEASE SEE
THE ATTACHED 'ONE PERCENT EXHIBIT' ASSOCIATED WITH THE CALCULATIONS PACKET THAT DEPICTS THE OVERALL WATERSHED. THIS SUBSECTION IS C.3.A.
THE THIRD CONCENTRATED OUTFALL, NAMED SITE OUTFALL #3, REDIRECTS UPLAND OFFSITE RUNOFF AROUND THE SITE. THIS RUNOFF AND ITS LAND COVER IS
CHANGED AND THEREFORE A CHANNEL AND FLOOD PROTECTION ANALYSIS OF IT IS NOT WARRANTED. AN OUTLET PROTECTION APPROPRIATELY SIZED FOR ITS
RUNOFF IS PROPOSED WITH SITE OUTFALL #3.
PLEASE NOTE, WHERE PROPOSED IMPROVEMENTS & LAND COVER CHANGES OCCUR OUTSIDE OF SUBAREAS A & B, FOR EXAMPLE THE REAR PORTIONS OF SOME OI
THE PERIMETER LOTS, THE PERVIOUS & DISCONNECTED IMPERVIOUS AREAS SHALL BE RELEASED IN A SHEET FLOW MANNER THAT IS NOT CONCENTRATED OR
DETAINED. HOUSES ON THESE LOTS SHALL HAVE SPLASH BLOCKS AT THE OUTLETS OF THEIR DOWNSPOUTS TO PREVENT EROSION, SEDIMENTATION OR FLOODIN
OF DOWN GRADIENT PROPERTIES. THE DOWNSPOUT OUTLETS & SPLASH BLOCKS SHALL BE INSTALLED UPLAND OF THE STEEPER TIE-IN GRADES, CLOSER TO THE
HOUSES. ALSO, THE STEEPER TIE-IN GRADES SHALL BE STABILIZED PRIOR TO THE INSTALLATION OF THE DOWNSPOUTS AND SPLASH BLOCKS. SEE THE NEXT SH
FOR A DETAIL OF THE SPLASH BLOCK, OR EQUIVALENT.
WHERE PROPOSED SINGLE FAMILY ATTACHED LOTS ARE PROPOSED ALONG VERA RUBIN PLACE, THESE HOMES' REAR DOWNSPOUTS SHALL OUTFALL INTO THE
PROPOSED ROOF AND YARD DRAIN SYSTEMS SHOWN & WILL ULTIMATELY BE ATTENUATED IN PROPOSED DETENTION BASIN 'A'. THE FINAL SITE PLAN WILL CONTP
THE DESIGN OF THE YARD & ROOF DRAINS.
WATERSHED SUMMARY FOR ONSITE DA'A'
(USED FOR CHANNEL & FLOOD PROTECTION COMPLIANCE AT SITE OUTFALL #1)
Area, 1-year Flow, 2-year Flow, 10-year Flow,
CN ac. cfs cfs cfs
Onsite DA A (Pre-Dev.) 64 7.75 5.44 8.90 21.93
Onsite DA A (Post-Dev.) 79 7.75 1.46 8.39 20.93
WATERSHED SUMMARY FOR ONSITE POST -DEVELOPMENT ONSITE DA W
(USED FOR CHANNEL & FLOOD PROTECTION COMPLIANCE AT SITE OUTFALL #2)
CN Area, 1-year Flow, 2-year Flow, 10-year Flow,
Onsite DA B (Post-Dev.) 1 81 0.90 1.90 2.61 4.92
Post -Development UA A Impervious Areas
Residences
65,875 sf
Driveways
26,400 sf
Roads
44,950 sf
Sidewalks
16,675 sf
Existing Impervious Areas to Remain
7,075sf
160,975 sf
Post -Development DA B Impervious Areas
Residences 3,720 sf
Roads 16,625 sf
Sidewalks 750 sf
21,095 sf
V KKm water Ltualliy lmperVIOUS Area bUmmary
Residences
93,178 sf
Driveways
28,320 sf
Roads
71,750 sf
Sidewalks
19,450 sf
Existing Imp. Areas to Remain
11400 sf
224,098 s
Pre -Development DA A Impervious Areas
Buildings 8,250 sf
Paved Roads 17,000 sf
Paved Walkways & Driveways 1,350 sf
26,600 sf
1 /2" zinc plated hook
attached with 3/6' fastener
Isometric
,Pe I/4' HOPE plate (optional)
IkO000
—I/DPF %tructu-holes a 114" plat 1/B hotca and I/<" plate
anufautu .,L by Plastwolutlona Inc. or equal
•shown with pphprh! plate
•1 �
HDpf: Arurt,irel planlir wl.h
2-1/8holes and 1/4 plate
�CC'.L1011 on. faolured by Pleatic
Soluliana I_,c or rqual
5/8" die hole
"'e BMPElevation
„riser
PLASTIC
F� P x e9gP
OFRRIS CAGE SOLUTIONS rimcles.er tt Z2604
INC. 877-877-5727
ropleRif-Sal0..x.eom
CHANNEL AND FLOOD PROTECTION SUMMARIES
Concentrated Outfall Method of 9VAC25-870-66 Method of 9VAC25-870-66
(Point of Analysis) Channel Protection Compliance Limits of Analysis for Channel Protection
PRE -DEVELOPMENT STORMWATER MANAGEMENT PLAN, SCALE 1"=80' /
I
i
1 i / 100' OF OLF w/ A ELEV.=6', . ' / PROPOSED ESC LIMITS OF DISTURBANCE
25' of CONC. FLOW W/ 0 ELEV.=38BOUNDARY DEFINES THE PROPOSED:
VRRM WATER QUALITY BOUNDARY, TYP.
y UPLAND, OFFSITE DRAINAGE TO REMAIN I : VRRM
BOUNDARY AREA=12.72 ACRES.
UNDISTURBED & TO BE ROUTED TO THE
PED BYPASS DIRECTED INTO SE FT SEE THE TO BE / �•• , / /j%/ % /
'DRAINAGE PLAN FOR BYPASS STORM SEWER' �I 10
&THE CALCULATIONS PACKET FOR DETAILS. 1 / �100
to
\ + ' 15" CMP CULVERT RELEASES RUNOFF FROM
OFFSITE AREAS ONTO THE SUBJECT
--_ PROPERTY. IN THE POST-DEVELOPMENT
�� �� ■ �� I STATE THE RUNOFF WILL CONTINUE TO BE
\ COLLECTED WITH A CULVERT & THE RUNOFF
WILL BYPASS THE PROPOSED
IMPROVEMENTS (INTO STR„A). J ,` \ / // -/
-� UND UPLAND,
FFSIITE DRAINAGE TO REMAIN ■ � � ,� ' � �� '� _ � / % r (.� / o �� •�
RBED & TO BE ROUTED TO THE , ! . `� 7� /may/�� /
TO BE DIRECTED INTO STR ES 1. SEE THE ■ �- ' �. -' \ / C`}J� /�, / �-
PROPOSED BYPASS STORM SEWER. RUNOFF _ .
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l._ TO WPO 201500057) UOSESPURB O & TO M ROUTE THE
Flood Protection Compliance Limits Of Analysis for Flood Protection � APPROVED AVINITY I _ � ^ \ \ � PROPOSED S STORM SEWER
/ SWM FACILITY a� D TO STRUCTURE$ 6 8. SEE THE \ )
Site Outfall #1 (Onsite DA A) Section B.3.a (Energy Balance) N/A (Energy Balance Satisified) Section C.2.b (10-yr Post < 10-yr Pre) N/A (Section C.2.b)
Site Outfall #2 (Onsite DA B) Section B.1.a (2-yr Flow is Not Erosive) Section B.4.a (Analyzed to 1% of DA) Section C.2.a (10-yr Peak Flow is Confined) Section C.3.a (Analyzed to 1% of DA)
/ OUTFALL (AMENDMENT = � — /-I N FOR BYPASS STO SEWE
TO WPO 201300044) �_�/ THE-C�,CCF1fLATIONS PACKET FO DETAILS
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JOB NO.
202194
SCALE
AS SHOWN
SHEET NO.
12
DRY DETENTION BASIN CONSTRUCTION NOTES:
FACILITY PLANTING SPECIFICATIONS:
1. THE DETENTION BASIN SHALL HAVE TURF GROUND COVER, SUCH AS GRASS OR SOME OTHER FORM OF A VEGETATIVE GROUNDCOVER. LANDSCAPING
BEYOND THIS IS OPTIONAL AND IS NOT REQUIRED.
2. THE PROPOSED INTERIOR SIDE SLOPES OF THE BASIN SHALL BE A MAXIMUM OF 3:1 TO REDUCE THE RISK OF EROSION. THE PROPOSED FLOOR SLOPES
SHALL BE GRADED TO PROVIDE POSITIVE DRAINAGE AT ALL TIMES TO THE RISER STRUCTURE.
3. WOODY VEGETATION SHALL NOT BE PLANTED OR ALLOWED TO GROW WITHIN 15 FEET OF THE TOE OF THE EMBANKMENT NOR WITHIN 25 FEET OF THE
PRINCIPAL SPILLWAY STRUCTURE.
4. 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 GREATTHAT IT EFFECTIVELY PREVENTS ROOT PENETRATION AND, THEREFORE, MAY LEAD TO
PREMATURE MORTALITYOR LOSS OF VIGOR. AS A RULE OF THUMB, PLANTING HOLES SHOULD BE THREE TIMES DEEPER AND WIDER THAN THE DIAMETER
OF THE FOOTBALL FOR BALL -AND -BURLAP STOCK, AND FIVE TIMES DEEPER AND WIDER FOR CONTAINER -GROWN STOCK.
S. AVOID SPECIES THAT REQUIRE FULL SHADE, OR ARE PRONE TO WIND DAMAGE. EXTRA MULCHING AROUND THE BASE OF TREES AND SHRUBS IS STRONGLY
RECOMMENDED AS A MEANS OF CONSERVING MOISTURE AND SUPPRESSING WEEDS.
CONTRACTOR REQUIREMENTS:
1. THE CONTRACTOR SHALL BE RESPONSIBLE FOR LAYOUT OF ALL WORK COVERED UNDER THESE PLANS.
2. LANDSCAPE CONTRACTOR SHALL REFER TO THE STANDARDIZED LANDSCAPE SPECIFICATIONS FOR THE STATE OF VIRGINIA FOR ADDITIONAL 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 FORA FEE FROM THE VIRGINIA CHAPTER OF THE AMERICAN SOCIETYOF LANDSCAPE ARCHITECTS,
VIRGINIA NURSERYMEN'S ASSOCIATION, INC. AND THE VIRGINIA SOCIETY OF LANDSCAPE DESIGNERS). ALL DISCREPANCIES SHALL BE BROUGHT TO THE
ATTENTION OF COLLINS ENGINEERING PRIOR TO THE CORRESPONDING CONSTRUCTION ACTIVITY.
3. ALL PLANT MATERIAL SHALL MEET THE MINIMUM SPECIFICATIONS AND STANDARDS DESCRIBED IN THE CURRENT ISSUE OF THE AMERICAN STANDARD FOR
NURSERY STOCK, PUBLISHED BY THE AMERICAN ASSOCIATION OF NURSERYMEN, 1250 STREET, NW, SUITE 500, WASHINGTON, DC 20005.
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 UTILITYAT 1-800-552-7001 BEFORE
ANY EXCAVATION).
6. REFER TO THE APPROVED FINAL SITE PLANS FOR ANY DETAILED SITE INFORMATION.
7. ALL WORK SHALL BE COORDINATED WITH OTHER PARTIES.
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 GROWN.
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 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 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
INSPECTOR INITIALLY, AND THEN 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 ROOTSTOCK.
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. DETENTION BASINS MAY SERVE AS SEDIMENT BASINS AND/OR TRAPS DURING PROJECT CONSTRUCTION. IF THIS IS DONE, THE VOLUME SHALL BE BASED
ON THE MORE STRINGENT SIZING RULE EROSION AND SEDIMENT CONTROL REQUIREMENTS VS. STORMWATER TREATMENT REQUIREMENTS).
( Q
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 POND IN MIND. APPROPRIATE PROCEDURES SHALL BE
IMPLEMENTED TO PREVENT DISCHARGE OF TURBULENT WATERS WHEN THE BASIN IS BEING CONVERTED TO AN DETENTION BASIN.
2. THE DETENTION BASIN 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 THEN THE FACILITY WILL BE DEWATERED
DREDGED AND RE -GRADED TO DESIGN DIMENSIONS AFTER THE ORIGINAL SITE CONSTRUCTION IS COMPLETE. MODIFICATIONS SHALL BE MADE TO THE
RISER, ORIFICES AND BARRELS AS REQUIRED SO THAT THEY ARE CONSISTENT WITH THE FINAL CONSTRUCTION SPECIFICATIONS.
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 PROJECTAREA IF REQUIREDTOTHE DESIRED SUB -GRADE.
5. INSTALL E&S CONTROLS PRIOR TO CONSTRUCTION OF THE BASIN, INCLUDING TEMPORARY DE -WATERING DEVICES AND STORMWATER DIVERSION
PRACTICES. ALL AREAS SURROUNDING THE BASIN THAT ARE GRADED OR DENUDED DURING CONSTRUCTION SHALL BE PLANTED WITH TURF GRASS,
NATIVE PLANTINGS, OR OTHER APPROVED METHODS OF SOIL STABILIZATION.
6. CONTRACTOR SHALL EXCAVATE THE CORE TRENCH AND INSTALL THE SPILLWAY PIPE DURING THE ESC PHASE.
7. CONTRACTOR SHALL ALSO INSTALL THE RISER, OUTFLOW STRUCTURE AND/OR THE BARREL(s) WITH PERMANENT COLLARS DURING THE ESC PHASE.
CONTRACTOR SHALL ENSURE THE TOP INVERT OF THE OVERFLOW WEIR IS CONSTRUCTED LEVEL AT THE DESIGN ELEVATION.
S. 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:
Table 144. Clay Loner SpecRcaoons
Property
Test Method
Unit
Specification
Permeability
ASTM D-2434
Cm/sec
1 x 10
Plasticity Index of Gay
ASTM D-423J424
%
Not less than 15
Li uid Limit of Cla
ASTM D-2216
%
Not less than 30
Clay Particles Passing.
ASTM D-422
%
Not less than 30
Clay Compaction
ASTM D-2216
%
95% of standard proctor density
Source: Virginia Sionnwaler Management Handbook (1999)
9. RADE UNTIL THE APPROPRIATE ELEVATION AND DESIRED
CONTOURS ARE ACHIEVED FOR THE BOTTOM AND SIDE SLOPES OF THE BASIN.
10. CONTRACTOR SHALL THEN CONSTRUCT THE EMERGENCY SPILLWAY IN CUT OR STRUCTURALLY STABILIZED SOILS.
11. THE CONTRACTOR SHALL THEN FINISH CONSTRUCTION OF ALL OUTLET STRUCTURES, INCLUDING DOWNSTREAM RIP -RAP APRON PROTECTION IF
APPLICABLE.
12. THE CONTRACTOR SHALL NEXT STABILIZE EXPOSED SOILS BY HYDROSEEDING OR SEEDING OVER STRAW.
13. THE CONTRACTOR SHALLTHEN INSTALLTHE APPROPRIATE BASIN LANDSCAPING IN ACCORDANCE WITH THE APPROVED PLANS, IF APPLICABLE.
FACILITY MAINTENANCE:
MAINTENANCE OF THE DETENTION BASIN IS DRIVEN BY ANNUAL INSPECTIONS THAT EVALUATE THE CONDITION AND PERFORMANCE OF THE FACILITIES.
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 BASIN.
2. MONITOR THE GROWTH OF THE GROUNDCOVER AND ANYTREESAND SHRUBS PLANTED, AS APPLICABLE. RECORD THE SPECIES AND THEIR APPROXIMATE
COVERAGE, AND NOTE THE PRESENCE OF ANY INVASIVE PLANT SPECIES, AS APPLICABLE.
3. INSPECT THE CONDITION OF STORMWATER INLETS TO THE BASIN FOR MATERIAL DAMAGE, EROSION OR UNDERCUTTING.
4. 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.
5. INSPECT BASIN OUTFALL CHANNEL FOR EROSION, UNDERCUTTING, RIP -RAP DISPLACEMENT, WOODY GROWTH, etc.
6. INSPECT CONDITION OF PRINCIPAL SPILLWAY AND RISER FOR EVIDENCE OF SPALLING, JOINT FAILURE, LEAKAGE, CORROSION OR OTHER FAILURES.
7. INSPECT CONDITION OF ALL TRASH RACKS, REVERSE SLOPED PIPES OR FLASHBOARD RISERS AS APPLICABLE FOR EVIDENCE OF CLOGGING, LEAKAGE, DEBRIS
ACCUMULATION OR OTHER FAILURES.
8. INSPECT MAINTENANCE ACCESS TO ENSURE IT IS FREE OF WOODY VEGETATION, AND CHECK TO SEE WHETHER VALVES, MANHOLES AND LOCKS CAN BE
OPENED AND OPERATED.
9. INSPECT INTERNAL AND EXTERNAL SIDE SLOPES OF THE BASIN FOR EVIDENCE OF SPARSE VEGETATIVE COVER, EROSION, OR SLUMPING.
10. OWNER OR CONTRACTOR SHALL MAKE NEEDED REPAIRS IMMEDIATELY.
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 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. INSTALLATION OF THE EMBANKMENT, THE RISER/PRIMARY SPILLWAY, AND THE OUTLET STRUCTURE(s).
4. DETENTION BASIN INSTALLATION (e.g., INTERIM AND FINAL ELEVATIONS)
5. PLANTING PHASE (WITH AN EXPERIENCED LANDSCAPE ARCHITECT PRESENT/DIRECTING IF APPLICABLE)
6. FINAL INSPECTION (DEVELOP A PUNCH LIST FOR FACILITY ACCEPTANCE)
General Construction notes for Stormwater Management Plans
1. All dams and constructed fill to be within 95% of maximum dry density and 2% of optimum
moisture content. All fill material to be approved by a geotechnical engineer. A geotechnical
engineer is to be present during construction of dams.
2. Pipe and riser joints are to be watertight within stormwater management facilities.
3. For temporary sediment traps or basins which are to be converted to permanent stormwater
management facilities; conversion is not to take place until the site is stabilized, and
permission has been obtained from the County erosion control inspector.
GENERAL SWM NOTES:
i. STATE APPROVED TRASH RACKS SHALL BE INSTALLED ON ALL ORIFICE OPENINGS. SEE THIS SHEET, OR EQUIVALENT, FOR DETAILS.
2. CONCRETE FOUNDATIONS SHALL BE INSTALLED ON ALL RISER STRUCTURES MEETING MINIMUM VESCH 3.24 SPECIFICATIONS.
3. CONTRACTOR SHALL HIRE A THIRD PARTY GEOTECHNICAL ENGINEER TO ENSURE THE EMBANKMENTS ARE STRUCTURALLY SOUND. 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 3:2 SLOPE.
S. CONTRACTOR SHALL EXCAVATE SEDIMENT LADEN MATERIAL IN THE ESC SEDIMENT BASINS ATTHE TIME OFTHE FACILITIES'
CONVERSIONS TO PERMANENT SWM FACILITIES, IFAPPLICABLE. AT SUCH TIME THE CONTRACTOR SHALL REGRADE THE SEDIMENT
BASINS TO THE PROPOSED GRADES SHOWN ON THE SWM SHEETS. THE CONTRACTOR SHALL MINIMIZE SOIL COMPACTION DURING THE
CONVERSIONS.
ALL SLOPES GREATER THAN 3:- SHALL BE PLANTED WITH NON -EROSIVE
LONG GRASSES OR OTHER TYPES OF NON -EROSIVE PLANTINGS.
SECTION A-9: TYPICAL, GRAP111C.41. DETAILS
Homogeneous fill
- - - -------
1
4' min �� I
Cut off trenchbelow suitable l
Soil a rock L-----------J
TYPICAL HOMOGENEOUS
EMBANKMENT
Perforated o
FOUNDATION DRAIN
t51 19 0
BLANKET DRAIN
rill
or gravel
drdm
Sam, yowl a rod
amid aAkt
Rock or gravel
Rak toe drain
,3, r
Transition filler Tramition flier
CHIMNEY DRAIN TOE DRAIN
Jource: JL J t rt�rne. nrr5 t rcm itn twat
Figure A-Ia. Homogeneous Embankments 1r; Seepage Controls
EMBANKMENT NOTES:
THE EMBANKMENTS SHALL HAVE A COMPACTED CLAY CORE WITH A CUTOFF TRENCH & BE IN ACCORDANCE
WITH THE DETAILS SHOWN IN THIS PLAN. BERMS AND SPILLWAYS SHALL BE STABILIZED WITH EC-3 MATTING &
RIPRAP AND THE REMAINING DISTURBED SLOPES SHALL BE STABILIZED 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 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.
StormRaxTM
ROUND SERIES TRASH RACK (OR EQUIVALENT)
CONCRETE MANHOLE
STANDARD 60 INCH RACK SHOWN
DIMENSIONS IN INCHES
PLAN
SIDE VIEW
n
StorrnRaX Round Series for Concrete Manhole
Pot III
IA
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III
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174
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28
24
30
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46
57
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27 iJ
11%
1 66%
60
70
Plastic SoluliOLLS. Inc. ]16Td1ER
PO Bw 406, V4ndie-wr, VA 22606
238 M5 Gr W. Wlnc6est VA 22603
;arn 877.5727 phone p Dg
(540) 722.2219 im
htgx/Avwv..plastic-roludm..
Splash Block Instructions
Before installation of the Splash Block, or any
rain diverting accessory, make sure the grade
around the foundation slopes away from the
house. There should be a 6 inch fall in the first
10 feet from the house.
E 10 Feet
6 in 1
�.-- _.�.�cruRwE vurnear
wnws, ■c
pUNlrER SEC110«
aEuov,uuc rortrdc6ss
i
ISOMETRIC
CONCRETE STRUCTURE DREMBONB
INSIDE STRUCTURE DIMENSION
OUTSIDE STRUCTURE DIMENSION
AVAILABLE OPTION$
CROSS BRACING FOR OVERHANG
HDPE ANTI -VORTEX PLATE
DAIS
oft"Br.
IPPOBY_
DETAIL
Patent -pending cut-out to allow
for fitment of downspout with
low clearance of elbow
Water directing chevron pattern
reduces washout
AMERIMAX
amerimax.com 1 800-347-2586
info@ameomax.com
Hole for an spike at
front of splashblock allows
it to be secured to ground
BASIN A DETAIL, SCALE 1"=30'
PROPOSED PUBLIC ROAD & \
SIDEWALK AND GRADED GRASS
LINED ACCESS TO SERVE AS
ACCESS TO THE DRY BASIN
\
1 III
III III? \ PR POSED VARI BILE WIDTH \
SWM&AC ESS&
INTENAN EESMT.
1� \ TO PREVENT FLOTATION THE RISER BASE 1. ROPOSED BASIN's FLOOR
SHALL BE FIRMLY EMBEDDED 6" INTO AN 18" POSITIVE SLOPES THROUGHOUT. SHALL BE SLOPED TO DRAIN TO
\ THICK REINFORCED CONCRETE FOUNDATION I THE RISER (o.5%MIN.) WITH
THAT IS 8'x8' AND BURIED BELOW GROUND.
481 - --
BW
\ 0�+0
STR. A6 A VDOT STD. B-1 ( CONCRETE MANHOLE BASE
WITH A 048") SHALL SERVE AS THE �\
's LOWER
\ I SECTION & SHALL BE SET IN THE PROPOSED REIN 0 CED
CONCRETE FOUNDATION. A 048" STANDPIPE WITH A RIM
ELEVATION OF 479.50' SHALL COMPLETE THE STRUCTURE.-
/ RISER TO INCLUDE (1) ONE PERMANENT 05" LOW -FLOW � -, Ot 00 `L
ORIFICE WITH AN INVERT ELEV.-470.00 & 5 FIVE 0 t12 �
i
MID -FLOW ORIFICES WITH INVERT ELEVATIONS=477.33'. - -
1
ALL ORIFICE OPENINGS SHALL HAVE STATE APPROVED I \
TRASHRACKS TYPICAL. SEE THE DETAILS WITHIN THIS
_ SET FOR ADDITIONAL INFORMATION.
WIDETOPOFiI
ELEV.=482„00'
ROPERTY LINE,/
- - - / \ / YP.
485 485
480 1 480
PROPOSED 40' WIDE VDOT CL. Al RIPRAP R
LINED EMERGENCY SPILLWAYw :2 SIDE
/4
SLOPES & FILTER FABRIC UNDERLAYMENT.
SPILLWAY CREST ELEV.=480.5o.
475
CONTRACTOR SHALL CALL THE COUNTY INSPECTOR&
ENGINEERING DEPARTMENT 24-HOURS BEFORE ANY
ANTICIPATED CONSTRUCTION ACTIVITIES FOR THE DRY BASIN.
SEfTHIS SHEET FOR SCALED / / //0000
PROFILES OF THE DRY BASIN;`TYP. / y/
1119r"�IBII _ _ �/.000
R A _ _ ? SITE OUTFALIZ #1
1 s
PROPOSED VDOT TD. EC-1, CLASS I RIPRAP -
LINED OUTLET PROTECTION WITH FILTER
0000/ /FABRIC UNDERLAYMENT TO EXTEND TO THE \
Gj CHANNEL's BANK. CONTRACTOR SHALL NOT J \
/ IMPACf THE STREAM's CHANNEL WITH THE
BYPASS STORM SEWER INSTALLATION
L-110 W -10.5' W -18' D=2':l sop
PRO OSED 40' WIDE VDOT CL. AI
401
IPRAP LINED EMERGENCY 6
SP LLWAY w 4:1 SIDE SLOPES &
T00 PO
F�R FABRIC UNDERLAYMENT. i
B FERr TYP. / SPILLWAY CREST ELEV.=480.50. / 1 t I loop
N / I'
STR. A6, A VDOT STD. B-1 (CONCRETE MANHOLE BASE
WITH A 048") SHALL SERVE AS THE RISER's LOWER
SECTION & SHALL BE SET IN THE PROPOSED REINFORCED
CONCRETE FOUNDATION. A 048" STANDPIPE WITH A RIM
ELEVATION OF 479.50' SHALL COMPLETE THE STRUCTURE.
RISER TO INCLUDE (1) ONE PERMANENT 05" LOW -FLOW
ORIFICE WITH AN INVERT ELEV.=470.00 & (5) FIVE 012" STR: 2 VDOT MH-2 (60" ID)
MID -FLOW ORIFICES WITH INVERT ELEVATIONS=477.33'.
ALL ORIFICE OPENINGS SHALL HAVE STATE APPROVED INV IN: 471.30
TRASHRACKS, TYPICAL. SEE THE DETAILS WITHIN THIS INV IN: 468.90 (A5)
SET FOR ADDITIONAL INFORMATION.z0 WIDE TOP OF DAM[TP=482.00
INV OUT: 468.80
485 ELEV.-482.00'
u
WIDE TOP OF DAM
ELEV.=482.00'
100-yr PEAK WSE=480.88
10-yr PEAK WSE=479.15
2-yr PEAK WSE-177.81
1-yr PEAK WSE-477.03
PROPOSED BASIN's FLOOR
SHALL BE SLOPED TO DRAIN TO
THE RISER (o.5%MIN.) WITH
POSITIVE SLOPES THROUGHOUT.
TO PREVENT FLOTATION THE RISER BASE
SHALL BE FIRMLY EMBEDDED 6" INTO AN 28"
THICK REINFORCED CONCRETE FOUNDATION
THAT IS 8'x8', AND BURIED BELOW GROUND.
470 1EGRADE 4701 465
J J O O O O J J O
W W r- N r 0 r- N W W 00 N
W0 �� �� �� W0 ��
0+50 1+00
BASIN A SPILLWAY
PROFILE SCALES
1"=5- (V)
1"=50'(H)
CONTRACTOR SMALL INSTALL I
EMBANKMENT IN ACCORDANCE w/
THE DESIGNS S OWN WITHIN THIS SET.
PROPOSED
GRADE
PROPOSED VDOT STD. EC 1, CLAS 1480
RIIPRAP L'ET PR
5TR A4 l'' FILTER FABRIC UNDERLAYMENT T
VDOT MH-1 EXTEND TO THE CHANNEL's BANK
RIM=478.28' _ _ _ CONTRACTOR SHALL NOT IMPACT T E
11=469.16 TREAM's CHANNEL WITH THE BYP 'SS
10-r 69.06 STO 7 SEWER INSTALLATION.
(L=11o' , w1=1o.s', wz=18', D=2) 475
EXISTING
GRADE PROPO VDOT
ED
STD
1 STR AS, 124.80 LF OF 470
018"- 13PE@ 0,592/0
INV OUT: 469.9
STRA, 26.30 LF OF
018" HOPE @ 0.61%
STR 1, 36.02 LF OF
036" HDPE @ 1.530
APPROXIMA E LOCATION OF 5.7 A OV 465
EXISTING 8" ANITARY SEWER '
O rn O O 00 o O
r4 N N N O o0 06
It 7
0+50 1+00 1+50 2+00 2+50 3+00 3+50 3+75
BASIN A SECTION
iCOTT/R. CI?LLINSZ
H
Lic. No. 035791 a
7/19/21 ,Q'1
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JOB NO.
202194
SCALE
AS SHOWN
SHEET NO.
13
COUNTY OF ALBEMARLE
Department of Community Development
Construction Record Drawings (As -built) for VSMP
The following is a list of information required on construction record drawings for
stormwater facilities (reference Water Protection Ordinance 17-422). /t is preferable that the
construction record drawing be prepared by someone other than the designer. Please do not
provide design drawings as construction record drawings.
A. A signed and dated professional seal of the preparing engineer or surveyor.
B. The name and address of the firm and individual preparing the drawings on the title sheet.
C. The constructed location of all items associated with each facility, and the inspection records to verify
proper dimensions, materials and installation. The items include, but are not limited to the following:
1. Inspection Records and photographs for pipe trenches and bedding, including underdrains.
2. Video Pipe Inspection for any pipes which are not accessible or viewable.
3. Updated Location with geo-coordinates of all facilities.
4. Verified Drainage Area maps for the drainage area treated, and for drainage to the facilities.
5. Current physical and topographic survey for all earthen structures. Ponds should include a survey
of the pond bottom. Surveys should verify pond volumes are per design. Corrections may be required
for alterations from the design.
6. Plants, location and type.
7. Plans and profiles for all culverts, Pipes, Risers, Weirs and Drainage Structures - Display the
installed type of drainage structures, culvert/pipe size, weirs, materials, inlets or end treatment(s),
inlet and outlet protection, alignment and invert elevations compared to design.
8. Computations: For significant deviations from design, provide sealed computations verifying that
the as -built condition is equivalent or better than design.
9. Ditch Lines - Display the constructed location of all ditch lines and channels, including typical
sections and linings.
10. Easements - Show all platted easements with dead book references labeled Facilities and drainage
must be within platted easements. Provide copies of recorded documents.
11. Guardrail, 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. Material layers - biofilter media, stone layers, sand layers, keyways and cores must be verified as to
material types and depths. Include inspection reports, boring or test pit reports and materials
certifications. Biofilter media must be an approved state mix.
13. Access roads - show location of access roads, surface treatment, drainage, etc, as applicable.
14. Compaction reports are required to verify fill compaction in dams.
15. Manufacturers certifications for proprietary BMP's certifying proper installation and functioning.
PROFILE NOTES:
1. CLASS I BACKFILL MATERIAL SHALL BE CRUSHER RUN AGGREGATE SIZE NO.
25 OR 26, AGGREGATE BASE MATERIAL SIZE 21A OR 21B, FLOWABLE FILL,
OR CRUSHED GLASS CONFORMING TO THE SIZE REQUIREMENTS FOR CRUSHER
RUN AGGREGATE SIZE 25 AND 26, PER THE CURRENT VDOT ROAD AND
BRIDGE SPECIFICATIONS, SECTION 302.03G.
2. ALL DRAINAGE STRUCTURES WITH A DEPTH OF 12' OR GREATER SHALL HAVE
SAFETY SLABS IN ACCORDANCE WITH STANDARD SL-1 AS FOUND IN THE
CURRENT ROAD AND BRIDGE STANDARDS.
3.ALL DRAINAGE STRUCTURES WITH A DEPTH OF 4' OR GREATER SHALL HAVE
STEPS IN ACCORDANCE WITH STANDARD ST-1 AS FOUND IN THE CURRENT
ROAD AND BRIDGE STANDARDS.
4. ALL FILL TO BE PLACED AT 95% COMPACTION.
5. MINIMUM 3.5' OF COVER MUST BE MAINTAINED OVER W/L.
6. MINIMUM OF 1' OF VERTICAL SEPARATION FROM STORM SEWER & W/L AND
1.5' OF SEPARATION BETWEEN W/L & SANITARY SEWER MUST BE PROVIDED.
475
PROPOSED VDOT STD. EW-;
150 SKEW. SEE SHOP DRAWII
CONSTRUCTION DETAILS. Ci
TO BE COUNTERSUNK A MIN'.
6". PROPOSED INVERT
465
E
PROPOSED VDOT STD. EC-1,
RIPRAP WITH A TYPE B INSTP
TO BE INSTALLED BETW
WING WALLS FOR INLET PRO
(W=23', L=
PRi
NORTHER
SOUTHER
455
PROPOSED
GRADE
WITH A
PROPOSED ENDWALL, SEE SHOP
IGS FOR
DRAWINGS FOR CONSTRUCTION
ILVERTS
DETAILS. CULVERTS SHALL BE
MUM OF
_
COUNTERSUNK A MINIMUM OF 6".
=462.50'
PROPOSED INVERT=458.10'
XISTING
GRADE
PROPOS
RIPRAP
:LASS II
TO SER'
LLATION
(W=4T,
EEN THE
FECTION
—
3', D=2')
)POSED 60"
CL. III
RCP CULVERTS:
V 60" CULVERT:
78.78
LF @ 5.59%
V 60" CULVERT:
80.30
LF @ 5.48%
—
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CULVERT- COW BRANCH
SITE OUTFALL #2 DETAIL, SCALE 1"=30'
S
,EAM BUFFE
—TYP.
/ S S ✓— CULVERTS -SHALL BE S /
\ \ CO TUN' A MINI OF 6'
uT� L� /
( 15° SKEW
/
+0
r CULVERTS SHALL BE \ /
/ ---- --COUNTERSUNK A l 6 O
SITE OUTFALI( # MINIMUM OF 6" 1 +75 N
14 !
\\� 1+0C
400,
\� �o
S
VDOT STD. EW-7
WITH A 15° SKEW
COW BRANCH STREAM
- VDOT STD. EW-7 -
- / I CULVERTS SHALL BE 1 +75
COUNTERSUNK A MINIMUM OF 6" N
1 4
U
/ °Nz—�
60 z
INTERMITTENT STREAM
/ ONU
-
/, ONE
MINIMUM 2' OF COVER REQUIRED
OVER THE CULVERTS WHEN THEY ARE
BENEATH THE PROPOSED ROADWAY
/ PROPERTY LIMITS,,
/ TYP.
0+00
ENO sun I no=
I° SKEW \
,° SKEW \
475 475
475 47
P OPOSED
PROPOSED VDOT STD. EW-7. SEE
SHOP DRAWINGS FOR
GRADE
15" CL.
CONSTRUCTION DETAILS. CULVERTS
38.04 LF @
TO BE COUNTERSUNK A MINIMUM
OF 6". PROPOSED INVERT=465.75'
(II=464.08', I0:
470 470
470 470
PROPOSED ENDWALL, SEE SHOP
EXISTING
GRADE
DRAWINGS FOR CONSTRUCTION
DETAILS. CULVERTS SHALL BE
COUNTERSUNK A MINIMUM OF 6".
PROPOSED INVERT=458.10'
465 465
� �
465 465
ED VDOT STD. EC-1, CLASS II
\
PROPOSED VDOT STD. EC-1, CLASS II E
KITH A TYPE B INSTALLATION PROPOSED VDOT STD. EC-1, CLASS II
RIPRAP WITH A TYPE B INSTALLATION
(E AS OUTLET PROTECTION RIPRAP WITH A TYPE B INSTALLATION
TO SERVE AS OUTLET PROTECTION
L=57', D=2') TO BE INSTALLED BETWEEN THE
(W=47', L=57', D=2') CONTRACTOR:
WING WALLS FOR INLET PROTECTION
DRAINAGE STRUCTI
460 (W=33', L=9', D=2')
460 THE TIME OF THE (
OF THE CULVERTS, HE
PROPOSED 48"
CL. III RCP CULVERTS:
ENDWALL. CONT
NORTHERN 48" CULVERT:
87.05 LF @ 8.79%
\ DELAY THE INSTAL
SOUTHERN 48" CULVERT:
83.10 LF @ 9.21%
DI-3C TOPS. FINAL
RIM ELEVATIONS T
1 FT
THE APPROVE]
455 455
455 455
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CULVERT- INTERMITTENT STREAM
PROFILE SCALES
1"=5' (V)
1"=50'(H)
o>v
`7
II RCP
2.00%
:463.32)
PROPOSED
GRADE
PROPOSED ENDWALL, SEE SHOP
DRAWINGS FOR CONSTRUCTION
DETAILS. CULVERTS SHALL BE
COUNTERSUNK A MINIMUM OF 6".
PROPOSED INVERT=458.10'
XISTING
PROPO!
GRADE
RIPRAP
TO SER
;HALL INSTALL
(W=47'
RES 11-14 AT
ONSTRUCTION
ADWALLS AND
tACTOR SHALL
ATION OF THE
JI-3C ASBUILT
'
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BE SET WITH
> ROAD PLANS.
I
=459.3
IO=45
.10
CD
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NO
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STR 14- OUT
475
470
465
ED VDOT STD. EC-1, CLASS II
WITH A TYPE B INSTALLATION
JE AS OUTLET PROTECTION
L=57', D=2')
460
455
iCOTT/R. CI?LLINSZ
Lic. No. 035791 a
7/19/21 ,Q'1
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JOB NO.
202194
SCALE
AS SHOWN
SHEET NO.
14
2016 ROAD & BRIDGE STANDARDS
2 P4 DEFORMED CRACK
CONTROL BARS
SHAPE TO BE
BEVELED WITH
MORTAR
I
- K' a DETAIL A
i
P ��T �GI
44 DEFORMED V"' INVERT
LACK CONTROL
USor
P�$
DETAIL B
v
PLAN °�'�
D-CIRCULAR PIPE
5-ELLIPTIC: PPE ST'D, EW-2
STO EW-2A
a 12,.
SECTION A -A
Ew-2.2A
NOTES:
1. FOR TABLE OF DIMENSIONS AND VOLUMES FOR
CIRCULAR APES (STANDARD EW-2) SEE SHEET 2 OF 3.
2. FOR TABLE OF DIMENSIONS AND VOLUMES FOR ELLIPTICAL
PIPES (STANDARD EW-2A SEE SHEET 3 OF 3.
3. THIS ITEM MAY BE PRECAST OR CAST N PLACE.
4. ON SHALLOW FLLS. WHERE ENDWALLS ARE V OR
LESS BELOW SHOULDER LIFE, THE TOP OF THE ENDWALL
SHALL BE CONSTRUCTED PARALLEL TO 7HE GRADE
OF ROAD.
5. ALL CAST IN PLACE CONCRETE TO BE CLASS A3.
FOR PRECAST SEE SHEETS V1.05 AM 101.07.
6. N NO CASE SHALL TOP OF ENDWALL PROJECT ABOVE FLL
SLOPE. DITCH SLOPE. OR SHOULDER.
7. THIS STANDARD TO BE USED WITH STRAIGHT CROSSINGS
AND SKEW ANGLES TO 15•.
8. COST OF BARS FOR CRACK CONTROL TO BE INCLUDED N
PRICE PER BID PER CUBIC YARD CONCRETE.
9. HEADWALL TO BE BEVELED N ALL AREAS EXCEPT WHERE A
CONFLICT WITH INVERT AND WNGWALLS OCCUR,
X). BEVEL EDGE 15 REQUIRED ON THE HEADWALL AT THE INLET
END OF THE CULVERT (WHERE THE FLOW ENTERS THE
CULVERT). HEADWALL AT THE OUTLET END OF THE CULVERT
MAY BE EITHER SQUARE EDGE OR BEVEL EDGE.
11. %" CHANTER MAY BE PROVIDED ON ALL EDGES AT
MANUFACTURER'S OPTION.
END ELEVATION SIDE ELEVATION
SPECIFIC
ATDN STANDARD ENDWALL FOR PIPE CULVERTS NVDOT
REFERENCE
ROM AND BRIDGE STANDARDS
105 42" - 96" CIRCULAR AND 60" x 38" - 106" x 68" ELLIPTICAL PIPES REVISION DATE SHEET I OF 3
302 VNOMA DEPARTMENT OF TRA45PORTATION
D1.03
2016 ROAD & BRIDGE STANDARDS
EW-2
TABLE OF DIMENSIONS AND CONCRETE VOLUMES PER ENDWALL
FOR 42" - 96" CIRCULAR PIPE CULVERTS
DIAMETER OF PIPE CULVERTS
w
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77
W
DIMENSION
42"
48"
54'
GO.
"1.
72"
78•
84"
90"
96"
DIMENSION
A
11.61.
11_6.1
T_g„
1,_6.
I'-6"
T_a„
4_6"
1. G..
T_G.
11_6.,
A
B
4'-91/2"
5'-4"
5'-l01/2"
6'-5.
1
7`6"
8-0'/2'
6'-7"
9'4/4"
9'-gy...
B
C
3'-311"
3'-9"
4'-2'/4"
4'-•'
5'-0 "
5-5)"..S.
1^
G'_a'/4"
6'_g ,.
7._2 "
C
3�_g,.
4,.0„
4,.g"
5 ",
5,_6„
6,_p„
11 „�
7,.p„
7,_g"
8'-0..
D
E
0-6-
O'-6"
0'-6"
U'6"
0'-6"0'-6"
O'-6"
E
F
O'-5'/i'
d•g"
0'-6'/z.
0._7,
g,_p ..
0�_g.�
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D,-T.
0._y/i,
0'_10.'
F
G
4'-1"
4'-10"
5'-4"
5'•10"
6'-4"
6'-10"'
7 -10"
B"41"
B'•10"
G
H
0'-D"
0'-D"
0'-It••
1'-0'
1'-T'
T-2'
?-
1.-4"
1'-5"
V-6"
H
I
T-11"
T-D/"
2'-3"
2'-5%"
V-8"
2'-IO%"
3
3'.31 "
1 3"6"
3'-81/"
I I
J
S'-8'/i'
V-4' /P
7'-T/i.
7.-10',
8.-7"
T-4"
10 gyi'
10..g '.
11
12,-41'4*
J
K
4'-5/z"
4'-lY/i'
5`04
6'_11/i«
61_9«
7'_41/i'
7'-11'/4
B'-8'/z"
9'-2'
9'-N/i'
K
L
W-
7'-6"
8'J1/t"
9'-2%"
10'-1/4'
10'-11%-,
11'-10"
12•-O "
13'-6yl"
Rol -sA
L
M
/
'/
T-3i
1'-S
'-8/.
i
..9„
19%
r-103i
2Q%
'O
M
N
0'-S
0'-Si5"
0•_6
G'_6T �.
y_21 ..
0•-8%"
G•_9
g�_g1 q"
G�_10..
G•_10' "
N
0
O.-HI
0,11/1.,
T-01/i,
T-11 i'
1,_21/z"
1'-3%"
P-4114"
1•_y/"
P-61/"
1,_71/e
0
P
V-9"
6'-6.
7-3"
B'-0"
e•-9"
1"6"
10--3"
1T-0"
11'-9'•
I2'-6"
P
R
T_p,
1'4/2'
T-4"
1'-5%i'
T_7"
-87"
r-10"
t'-IFa
21_p
2�_21/,.
R
CUBIC YARDS
CONCRETE
CONC. PIPE
3.558
4.373
5.635
7.089
8.776
10.702
12.861
15.303
18.195
21285
CONC. PPE
C.M. PIPE
3.791
4.680
6.054
7.542
9.490
11.605
13.984
16.678
19.724
23.107
C.M. PIPE
W
d
N _1
of
O J
LL J
ILL
C
4'4"
4'-10%"
5'-Syr,
6'-01'i"
6'-7%'
7'-2%"
7'-BIN '•
W-414"
81-11 "
9'-61/i'
C
F
0•6'/2"
OLT'
0'-7'/2"
0'-8"
0'•8'/i 1
0._91,
(1'4/2"
O'-10"
0-101/2"
0'-11"
F
G
q._3..
4�_g«
S._3«
5,_g..
6._3�.
6._g.�
7,_3"
7'_W.
8,_3..
a�_g..
G
1
I. -IOW"
2-01
2'-2)"."
2'-5'/i'
T-7N"
2'-101/i'
T-OW,
N-pI"
3'-5)"'
3'-e'/�'
I
J
5'-6'/1"
GI
7'-l"
T-9,"
6'-6?/,.
9'-Y/"
10'-01/"
10'-7/"
IT-6%-
12'-3'/"
J
L
W-all
9'-91'♦"
III
12'4/z
13'-3% '
IV-5'/4"
15'-71,
161-91.
17--iON"
19'-0 ,
L
M
r-IA,
1'-2"
_ I .�
r 3/2
1'-4ye'.
.'
4"
._ I ..
1 9/4
1'-10.7(1"
._ I ..
2 0/4
._ 1 ..
2 1/4
M
P
P_6„
8'-11"
9'-6"
101
11.-e..
12'-6"
13'-6.,
14.-6"
1$._61,
16._6..
P
R
IIT-2/i
T-31'i'
1'-51/!
1'_6,"
I T_g1/4"
1--9i"'
1'-ll'/4"
V-04"
2'-2'/i'
R
CUBIC YARDS
CONCRETE
CONIC. PIPE
4.238
15.230
SLUSH
8.536
IO.d02
12.958
15.612
18.623
22.104
25.808
CONC. PPE
C.M. PPE
{.469
5.536
7.177
9.088
11.312
IJ.S.
16.73D
19.991
23.618
27.701
C.M. PIPE
FOR P/x:t AND
2:1 FILL SLOPES
❑
0'-4'/,'
0'-5`
O'-5f'i'
0'-6'/!'
01
O'-71/r"
0'-a1/4,,
0'-a)'i
0'-9'/x"
O'-10"
a
h
0'-31/r,
1 01
1 0'-41/z"
1 0'-S"
1 0'-5lt"
1 (1
1 W-aV,"
1 OL7'
1 0'-71/z"
O,-8,.
b
FOR ALL DIMENSIONS NOT SHOWN SEE VALUES LISTED ABOVE FOR 1 •1 FILL SLOPE
ROAD �e°oG°TTANDARDS
STANDARD ENDWALL FOR PIPE CULVERTS
42" - 96" CIRCULAR PIPES
v1R^.K.A DEPARTMENT OF TRANSPORTATION
SPECIFICATION
REFERENCE
105
302
SHEET 2 OF 3
REVISION DATE
lots
]3.. ��
.. 2A
8' 8' W" WASHER
8"BOL^��':'
HOLE
JV�LE
6". a".V-2" TREATED
)'i" HOLEPINE
ye (�E
BLOCK OR
0 RECYCLED MATERIAL.
PINE
R
♦;.i,D
GALV. STEEL DD o
TEL
COMMON NAIL
SEE NOTE 5. 'M
fill WIDE BLOCKOUT
FOR USE WHEN REPAIRING DAMAGED GUARDRAL
TREATED
CMTAMNC STEEL BLOCKOUTS.
PINE BLOCK y..
BLOCKOUT FOR MAINTENANCE
TREATED
+HALM
REPAIR ONLY
SOUTHERN PINE
n
II�-TII
�9 X
u
73'♦°
HOLE
LESS THAN P-O"
6x8 W000 POST
T11. P".E8-0-2i1" TREATED
STRONG
POST
THE CRT POST IS FOR USE WITH THE
�,��j
411 WIDE BLOCKOUT
e'-D" POST MUARORNL
REDLINE)
STANDARD GR-10 TYPE IIIOR WHERE
sSs_
'TNFfi•�a
SPECIFIED BY THE ENGINEER IN THE
DETAIL A T'7
Ola
POST MAY BE HOT ROLLED OR WELDED.
HOLE
HOLE
r xo�s B
GUARDRAIL INSTALLATION
--_
SITES REQUIRING LONGER
GUARDRAIL POSTS
iM
II c
N
I <
q„
NOTES:
II '.ND" BOLT e„lca"XT_2„ F
TREATED PINE w
L ALL BOLTS, NUTS, WASHERS, AND OTHER
4 -
II NUT BLOCK OR 0
STEEL ITEMS ARE TO BE GALVANIZED.
RECYCLED w
MATERIAL
2. ALTERNATE TYPE POSTS AND BLOCKOUT MAY
- -
B
BE INTERCHANGED ON ANY ONE PROJECT WITH
j
-
W6.8.5 OR
THE RESTRICTION THAT THE SAME TYPE OF
'W'Bi9
POST AND BLOCKOUT MUST BE USED N MY
II
SINGLE RUN OF GUARDRAL.
-
II
OPTIONAL HOLE
1. FOR DETAILS OF GUARDRAIL ELEMENT SPLICE
II TO FACILITATE 'P
JOINT, HARDWARE. ETC. SEE SHEET NOS.501.01
3'/z" DIA
HOLES ,M
�I+l%uTl
GALVM@ING
II
AND 501.02.
4. DRIVE NAIL ON BOTH SEES WITHIN 2" OF THE
TOP OR BOTTOM OF BLOCKOUT AFTER 5A.- . 18
BOLT IS INSTALLED.
HOLES IN POSTS
I B" I
I" B
MO BRACKETS
TO BE Y" OIA
CRT POST
STEEL POST
I
SPELFICATXDN
SEAL ED AND SIGNED IS ON CENTRAL DDRAIL
COPY OF THE DRIBLOCKED
REFERENCE
STANDARDA BLOGINAL
CKED-OUT BEG AMTHEGUAR
ROAD AND BIDGGEE STANDARDS
221
(STRONG POST SYSTEM, POST AND BLOCKOUT DETAILS)
REVISION DATE
SHEET 2 OF 2
505
VRCINA (DEPARTMENT OF TRANSPORTATION
08/14
50 t.05
2 e4 DEFORMED CRACK
CONTROL BARS
PLAN VIEW
2 •4 DEFORMED CRACK
FRONT VIEW
NOTES: EW-7
1. WANTITES GIVEN ARE FOR ONE ENDWALL.
2, PLEASE REFER TO STANDARD EW-2,SHEET 101.04,FOR ALL DIMENSIONS NOT GIVEN IN TABLES.
3. INS ITEM MAY BE PRECAST OR CAST N PLACE.
4, ON SHALLOW FILLS, WHERE ENDWALLS ARE V OR LESS BELOW SHOULDER LINE, THE TOP
OF THE ENDWALL SHALL BE CONSTRUCTED PARALLEL TO THE GRADE OF ROAD.
5. ALL CAST IN PLACE CONCRETE TO BE CLASS A3. FOR PRECAST SEE SHEET /IA&
6, 14 NO (EASE R. SHALL TOP OF ENDWALL PROJECT ABOVE FILL SLOPE, DITCH SLOPE. OR
SHO7. INS STANDARD TO BE USED WITH STRAIGHT CROSSINGS AND SKEW ANGLES TO 15•.
S. COST OF BARS FOR CRACK CONTROL TO BE INCLUDED N PRICE PER 90 PER CUBIC YARD
CONCRETE.
9. HEADWALL TO BE BEVELED N ALL AREAS EXCEPT WHERE A CONFLICT WITH INVERT AND
WNGWALLS OCCUR.
D. ((WHEREETHE FLGE 15 OW ENTERED RS THEHECULVERT). HEADWALLLL AT THE IFAT IEND OF NLET
OUTLET END OFCILVET HE
CULVERT MAY BE EITHER SQUARE EDGE OR BEVEL EDGE.
IL )'4" CRATER MAY BE PROVIDED ON ALL EDGES AT MANUFACTURER'S OPTION.
SHAPE TO 81
WITH MORTAR
DO NOT BEVEL
INVERT -
SIDE VIEW
EW-7S
♦
p 45•�
CRACK \
PLAN COKNTRLDEFORMEDCRACK
TM _I
5.4 ,
I
- 111 I
I 1
- f-f--- - --
--- - - --
1 1
FOR CONCRETE PIPE
FOR CORRUGATED METAL PIPE
D
S
T
H IL. tl_'°_ 1'7-'
FILL SLOPE 211
0
b
D
S
1 5LOPE III
I ILL SLOPE 211
0
b
CONCRETE
ONE DLL.
ENDWALL
CUBIC
YARDS
INCRL,ASL
FOR EACH
ADDITIONAL
PIPE
CUBIC YDS.
CONCRETE
ONE OBL.
ENDWALL
CUBIC
YARDS
INCREASE
FOR EACH
ADDITIONAL
PIPE
CUBIC YDS.
CCNCRETE
ONE DBE.
ENDWALL
CUBIC
YARDS
INCREASE
FOR EACH
ADDITIONAL
PPE
CUBIC YDS.
CONCRETE
ONE OBL.
ENDWALL
CUBIC
YARDS
INCREASE
FOR EACH
ADDITIONAL
PIPE
CUBIC r05.
6'-0"
'. -
4,529
1,271
•. 1 "
0._3, "
"
5'_Y ..
- 1 l
5,732
1,2163
0'-4' ..
D.. „
48"
11-10"
10--10"
5.964
1.591
6.802
1.572
0'-5"
0'-4"
48"
6'-0' "
10'-O'"
6,296
1.616
7.132
1596
C-5"
0'-4'
•
79-8"
,_ ,.
7.692
2.057
8.798
0'-s
0'-4 '.
'•
,_ „
11'-J .•
_t
9259
2. )81
D'- ..
60"
8'-6"
13'-6"
9.889
2.600
11.t12
2.574
O'-6'
0'-5"
60'•
]'-e
12'-6'
/0.119
2.67]
'I I,SM
2.650
0'-6 ♦"
O-5"
66"
W-4"
TV-10"
12.016
3.240
13.811
3.209
0'-7"
0'-5
66"
8'-J
13'-
t2.751
3.251
'L543
1231
0'-7"
0'-"
72"
10'-2"
16'-2"
14.663
3.961
16.885
3.927
0'-7' "
W-6"
72"
9'-0
15'-
15.673
4.069
17.869
4.033
0'-
78"
11'-0"
17'-6"
11.612
4.75,
20.325
4.713
0'-8 i'
0'-6 z"
78"
9.-
I6'-3
18.918
l.934
2t.62}
4.993
'- ♦
O• "
84"
W-10"
48'-10"
21.148
5.696
24.387
5.617
0'-8 �'
0'-P
94"
10'-6 "
1T-6
i'
22.733
1 5.905
1 75.999
1 RED
0'-
0'-7"
90"
17-8"
20'-2"
25.113
6.920
28.9]6
6.872
O'-9 Z'
0'd ='
90.
z
18 '- i
25.800
1 7.076
1 4V.4543
1 7-025
z
O.-TI.,^
96•'
13'-6"'
21'-6"
.4
8.153
33.111
B.tOi
O'-D"
96"
- x
- z'
1.46
.35}
8298
iL
F3027
TANDARD ENDWALLS FOR MULTIPLE PIPE CULVERTS RQM M`Bv�TADARDs
42" - 9611 CIRCULAR PIPES REVISION DATE SHEET 1 OF VIROMA DEPARTMENT OF TRANSPORTATION tOf.N7
2016 ROAD & BRIDGE STANDARDS
EW-2S NOTES:
1 :L DETAILS AND DIMENSIONS NOT SHOWN ARE THE SAME AS STANDARD EW-2,
FOR TABLES OF DIMENSIONS AND VOLUMES SEE SHEET 2 OF 2.
FOR DETAILS OF BEVEL REFER TO STANDARD EW-1, 14PC SHEET 101.02.
2. THIS ITEM MAY BE PRECAST OR CAST IN PLACE.
3. ALL CAST IN PLACE CONCRETE TO BE CLASS A3. FOR PRECAST SEE SHEET
101,10.
4. COST OF BARS FOR CRACK CONTROL TO BE INCLUDED N PRICE BID PER
CUBIC YARD CONCRETE.
S. HEADWALL TO BE BEVELED IN ALL AREAS EXCEPT WHERE A CONFLICT WITH INVERT
OR WINOWALLS OCCUR
6. BEVEL EDGE IS REQUIRED ON THE HEADWALL AT THE INLET END OF THE
CULVERT (WHERE THE LOW ENTERS THE CULVERT).
7, HEADWALL AT THE OUTLET END OF THE CULVERT MAY BE EITHER SWAPE
EDGE OR BEVEL EDGE.
8. ON SWALLOW BILLS WHERE ENDWALLS ARE I'OR LESS BELOW
SHOULDER LNE, Tod TOP OF THE ENDWALL SHALL BE CONSTRUCTED
PARALLEL TO THE GRADE OF THE ROAD.
9. 5 ONO CASE PAL. OR $ MALLER. T P OF ENDWALL PROJECT ABOVE FILL SLOPE,DITCH
10. %'- CHAFER MAY BE PROVIDED ON ALL EDGES AT MANUFACTURERS OPTION.
130, 45-
430
^04
J45♦ __�__K451Gi0RME02 K4 DEFORMED ?-WCONTROL 0q CRACK CONTROL
30• BARS
SO'4S•
0`TO BE USED THIS DESIGN TO BE USED
L
' TO 37'3oy (WITH SKEWS 37-301 45•)
ED 2 #4 DEFORMED 045- o+%"
CRACK CONTROL CRACK CONTROL
BNtS BARS pI
--
11
I 1 1 1\
to
/ I IAREAS BEVELED BE 11 1 1 11 A AREAS TO BE 11 1
I I I 1 1 1 1 1 BEvFI rn /
11 1 A l l 11 1 7 11
11
Ll_ _ ___ILL.__ _ ___ILL_L____-__
I I I I I I I I
I I 1 1 I I I I
DIMENSIONS FOR BEVEL
ON HEADWALL
PIPE I D.
o
b
49"
0'-5"
0'-4"
0'-5"
66"
0'-7"
0'-
72"
0,_7 "
0,_g„
78"
0'-8
0'-e "
4"
0'•e
0'•7'
96"
O'-D"
0'-9"
304 SKEW 450 SKEW
�V=T
ROAD AND BRIDGE STANDARDS STANDARD ENDWALLS FOR PIPE CULVERTS
SHEET I OF 2 REVISION DATE 42" - 96'' CIRCULAR PIPES WITH 300 AND 450 SKEW
10108 ARGIMA DEPARTMENT OF TRANSPORTATION
2016 ROAD & BRIDGE STANDARDS
2016 ROAD & BRIDGE STANDARDS
CR-2, 2A
* 27Tj74" MIN - 28Y4" MAX RAIL HEIGHT
X
J J J
GR-2
(6'-3" POST SPACING)
MA% DYNAMIC DEFLECTION 3'
NOTES:
GUARDRAIL LOCATIONS SHOWN ON PLANS ME APPROXIMATE
ONLY AND CM BE ADJUSTED PERRG CONSTRUCTION IF AND
AS DIRECTED BY THE ENGINEER.
FOR DETAILS OF POST AND BLOCKOUTS SEE SHEET NO. 50t.D5
FOR DETAILS OF RAIL ELEMENT, RAIL SPLICE JOINT AND
ASSOCIATED HARDWARE SEE SHEET NOS. 501.01 AN() 501.02.
RAIL ELEMENTS ARE FURNISHED SHOP CURVED FOR RADII
BETWEEN 5 FEET AND ISO FEET.
ALL GUARDRAIL POSTS SHALL BE SET PLUMB. POST SHALL
HOT BE SET WITH A VARIATION DF MORE THAN Yt° PER FOOT
FROM VERTICAL, W-BEAM. BLOCKOUTS, AND POSTS SHALL BE
SET AND ALIGNED WITHOUT ALTERATION OR FORCE, AS PER
SECTION 505 OF THE SPECIFICATIONS.
ALL GR-2 AND M-2A RAIL SHALL BE MAINTANED AT A
HEIGHT OF 27)•4" MN - MY," MAX AS MEASURED PER
STANDARD GR-INS.
ALL W-BEAM RAILS SHALL BE LAPPED IN THE DIRECTION OF
VEHICULAR TRAVEL FOR THE FINISHED ROADWAY.
THE OPTIONAL M-2A METHODS OF NESTING THE RAIL OR USE
OF AN ADDITIONAL RAIL ON THE BACK OF THE POST FOR
STANDAD GR-2A SHALL BE APPROVED BY THE ENGINEER
PRIOR TO INSTALLATION.
4'/i"
e
4 • .�12"
SECTION C-C
3..
t3„
SECTION B-B
3"
12" s
A� A,
SECTION A -A
t" 3'-1/z" Y-Y/i'
N
J J J J
GR-2A
(3-46" POST SPACING)
MAX DYNAMIC DEFLECTION 2'
105
302
z OPTIONAL GR-ZA METHOD + OPTIONAL M-2A METHOD
USING NESTED RAIL USING AL
RAIL ONBACKNOF POST
X WHEN NESTED RAIL OR ADDITIONAL RAIL IS PLACED ON BACK OF POST
FOR M-24 THE POST SPACING WILL BE W-3".
FLARE RATES
DESIGN
SPEED
INSIDE
SHY LINE
BEYOND
SHY LINE
MPH
SHY
LNE
LS
FLARE
RATE
MARE
RATE
70
9'
30:1
15:1 4
60
B'
26A1
140 •
50
6.5'
2111
11:1 •
40
-5:
I8:1
a:1
30
d'
IS:1
7:1
i SUGGESTED MAXIMUM FLARE RATE
FOR SEMI-RK20 BARRIER SYSTEMS.
`VDOT A COPY OF THE ORIGINAL SEALED AND SIGNED DRAWING IS ON FILE IN THE CENTRAL OFFICE. SPECIFICATION
ROAD AND BRIDGE STANDARDS STANDARD BLOCKED -OUT W-BEAM GUARDRAIL
SHEET 1 OF 2 REVISION DATE (STRONG POST SYSTEM) 221
WillVRGINIA DEPARTMENT OF TRANSPORTATION 505
50,
20IG ROAD & BRIDGE STANDARDS
, 11
11
11
----I-
I 11
A 1L1U
-
-I+-- - - -
It
FRONT VIEW
FOR CONCRETE PIPE
O
5
SM,
T♦4
FILL SLOPE 1'/Yl
FILL SLOPE 2:1
CONCRETE
N ONEFOR
DOUBLE
ENDWALL
CUBIC YARDS
INCREASE
EACH
ADDITIONAL
PIPE
CUBIC YARDS
CONCRETE
N ONE
DOABLE
ENOWALL
CUBIC YDS.
INCREASE
FOR EACH
ADDITIONAL
PPE
CUBIC YOS.
421•
6'-0"
8'-5T "
13'-51 "
1.799
6.819
1.776
48"
6'-D"
9'-8"
15-3
7.44
2.252
8.479
2225
54"
T-8"
'-HAD a
17'- i'
9.521
2. 909
X3.949
2.578
60"
B'-8"
12'-0 "
19'-
77
13.935
4
13,_2 ,•
20'-N ••
FRi
4
4
4 5 0
72"
D'•2"
t4'-4 "
22'-10
1 7
5.573
20.953
5.524
78"
tt-0'
15'-6
24'-9•'
1 1
8.715
25.217
6.662
64"
T-D"
16'-B
26'-
26. 158
8.008
30,089
7,947
90-1
12'-8'
'-N•
28'- 4"
31.209
9.789
35.93]
9-7]9
96"
13'-6"
i9'- /s'
30'-4T
18.Ba0
11.533
42.212
11 523
FOR CONCRETE PIPE
OR
CORRUGATED METAL PIPE
PIPE
I.D.
a
b
42"
0'-4' "
0'_31 "
48-
0•-5"
0'-4"
54"
0'-5 "
O'-4 "
0'-8
60'
0'-7"
12..
0-.71 .,
1._6..
78"
04 „
0'-a "
84"
O-e
0'-]"
BID"
O'-9 ••
O'-7 i'
NOTES:
1. QUANTITIES GIVEN ARE FOR ONE ENOWALL.
2. PLEASE REFER TO STANDARD EW-2S. SHEET
101.08 AND 131.09, FOR ALL DIMENSIONS NOT
GIVEN N TABLES.
3. THIS ITEM MAY BE PRECAST OR CAST N PLACE
4. ON SHALLOW FILLS, WHERE ENDWALLS ATE T
OR LESS BELOW SHOEAOER LINE. THE TOP OF
THE ENDWALL SHALL BE CONSTRUCTED
PARALLEL TO THE GRADE OF ROAD.
5. ALL CAST IN PLACE CONCRETE TO BE CLASS
A3. FOR PRECAST SEE SHEET 101.21.
6. N NO CASE SHALL TOP OF ENDWALL PROJECT
A80VE FLL SLOPE. DITCH SLOPE, OR SHOULDER.
7. THIS STANDARD TO BE USED WITH SKEW
ANGLES FROM 37•30-TO 45•.
S. COST OF BARS FOR CRACK CONTROL TO BE
INCLUDED N PRICE BID PER CUBIC YARD
CONCRETE.
B. HEADWALL TO BE BEVELED N ALL AREAS
EXCEPT WHERE A CONFLICT WITH INVERT AND
WINGWA-LS OCCUR.
10. BEVEL EDGE IS REQUIRED ON THE HEADWAL
AT THE INLET END OF THE CULVERT (WHERE
THE FLOW ENTERS THE CULVERT), HEADWALL
AT THE OUTLET END OF THE CULVERT MAY
BE EITHER SQUARE EDGE OR BEVEL EDGE.
11. FOR DETAILS OF HEADWALL BEVEL SEE
STANDARD EW-2S, SHEETS 101.05 AD
N11D9.
12. }'�'AMF CHER MAY BE PROVIDED ON ALL
EDGES AT MAIIIFACTUIRER'S OPTION.
FOR CORRUGATED METAL PIPE
0
S
S43
T45
FILL SLOPE T/YI
FILL SLOPE V1
CONCRETE
IN ONE
DOUBLE
ENDWALL
CUBIC YDS.
INCREASE
FOR EACH
ADDITIONAL
PPE
CUBE: YDS.
CONCRETE
IN ONE
DOUBLE
ENDWALL
CUBIC YOS.
INCREASE
FOR EACH
ADDITIONAL
PIPE
CUBIC YDS.
42"
V-31 "
7'-5
12L
8.311
1.789
7.118
1.767
48"
6'-0'
e'-6'
14'-2
7.866
2,262
8.900
2236
5V'
6'-9 "
W-7
15'-11
D.223
2.949
11.526
2.917
00"
7'-B "
N)'-B"
1P-a
4
3.755
14,750
3,717
72"
9'•0' "
12'-9
21'•]
19.690
5.763
22.3<]
5.712
78"
9'-9'
13'-10' "23'-0
21.75]
8.974
2].00.f
6.917
84•'
F-6 Y
14'-10 i'
24+9 ."
2a.317
8.350
32.185
8.284
90"
11'-}
15'-11 "
26'-7"
33.600
10.007
39.292
9-983
96"
2--0't
17'-0 "
28'-4 e'
39.499
It815
4S.031
11.790
ROAD AN`BRIDG�TMDARDS STANDARD ENDWALLS FOR MULTIPLE PIPE CULVERTS
ieF'
SHEET I OF I REVISION DATE 42" - 96" CIRCULAR PIPE WITH 459 SKEW Ds
SPE
101.20 VIRGINIA DEPARTMENT OF TRANSPORTATION 302
2016 ROAD & BRIDGE STANDARDS
EW2S
TABLE OF DIMENSIONS AND CONCRETE VOLUMES PER ENDWALL
FOR }/)'IF'LL SLOPE
DIAMETER
OF WE CULVERTS
3D` SKEW
;IMENSION
42'
48•'
54"
60"
66"
72"
78"
94"
1RD"
98"
DIMENSION
D 30
4'-O'/z
4'-7 "
72 "
7
6•-a i'
B'-1 i'
7`6 s"
8'-1"
8'-8"
9'-2T/e"
D 30
J 30
6'-3'
6'-1
7'-9
B'-7 -
9'-5 4"
D'-3 e'
1Y-D "
il'-10 i'
12'-6'/j
1Td/4"
J JO
K 30
5-0"
Y-6T .
6'-3 e'
s'-n/e'
r-7 �.
8'_3 ,.
e'-n "
a'-7 i'
D'-Y 2'
10'-11%-
K 30
CUBIC YARDS
CONCRE-E
CONC. PIPE
3.831
4.459
5.745
].223
8.9
10.885
6
1 4
10.456
21.582
CONIC. PIPE
C.M. PIPE
3.000
4,814
6.228
7.861
9. 758
11.928
W373
17.132
20.221
23.686
CM. PIPE
45'SKEW
C 45
5'-9"
W.G..
T-3•
(I
II
9,_6.,
10•_3"
IT_O'•
Ir-9--
12•-6"
C 45
D 45
W-11 "
V-7T ..
6'-4 .,
T-0
T-9 "
B'-5
9'-2 i'
8'-q 4"
iw 7 i'
11'-3i1"
0 45
1 45
2'-4 "
2'-W14"
2'-9
3'-0 i
3'_} ••
3'-7"
3'- e"
Y-I i'
4'-1;i'
V-8I4"
45
J 45
7'-Si'4`
8'-4
9'-4/r'
10'-!
1T-44"
12,_4'�
13'-3 "
U•-J
15'-41/e
111-4'/:"
J 45
K 45
5'-9'/i'
6'-53'i'
7'-3 i'
8'-0 i'
e'- i'
9•-7 i'
10'- i'
1r-2
12'-tl a
12'-e'j�"
K 45
L 45
8'-I "
11 1 ♦"
10'-3"11'-J
♦"
12'-4 2"
13'-3 i'
M'-6"
15'-8 ••
16'-7 j
1T-e' e"
L {5
M 45
0'•/'
0',41 "
0'-4 i'
0'-S"
0'-5
075 i'
0'-6 4
0'-6 "
0'-7"
0'-7' 2"
M 45
R 45
I'-8 •'
r-8'
1'-10
2'-0 i'
2'-2
2'-5"
2'- e"
2'-9 i'
2'-111'i"
3'-2'
R 45
CUBIC YARDS
CONCRETE
CONIC. PPE
4.231
5.191
8.712
8.447
10.N1
1 .714
76
.I50
21.420
26.107
C.M. WE
4.542
5.604
7.274
W189
N. 400
13.927
16 78,
t9197
23.582
27.684
C.M. PIPE
Woo
FOR 2:1 FLL SLOPE
DIAMETER OF PIPE CULVERTS
30 SKEW
♦2"
Is-,
54"
60"
66"
72"
7a"
84"
90"
96"
D 30
4-0/x
lI
5'-216"
5'-91/e'•
6 4/i
B'-11/e"
7-8/e
81-1"
81-8"
9 2/4
D 30
J JO
8'-$'♦^
6'-11
T-91�'
BI ]/1,.
'_
9'-5"
D'-2
1T-01jj"
._ ,.
11 10 /4
12'- /('
13'-6"
J 30
K 30
5•-0"
5'-6 "
6'-3'
6--t1' •'
7'-71 ••
W-3
8'-11
9'-T/'•
W'-3/"
XI'-11 i'
K 3D
CUBIC YARDS
CONCRETE
CONC. PPE
4.310
S.316
6.868
8.969
10.757
13,138
15.923
18.863
22 368
26.201
CONIC. PIPE
C.M. PIPE
4.576
5.668
7.349
9.304
11,577
14,175
17.114
20.444
24.117
28.287
C.M. PIPE
45° SKEW
C 45
T-6"
8'-6"
91
10'-6"
11'-1
12-6"
13'-6"
t!'-6"
151-6"
16-6"
C 45
D 45
4'-11%"
5'-7 "
6'-4%"
7'-0%-
]'-9
0 45
I 45
2-4°
2'-6/e'
7-91/4"
37-0 "
Y-3V2"
3'•6 "
Y-11i'
4'-0%"
V-4 "
41
1 45
J 45
7'-5%"
8.4'/i'
9'-4'-A"
10.-1..
II'-3/1"
IT-J "
II14'-]'/,'
15'_3 4"
16'-4"
J 45
K 45
5'-91/4"
6•-51'i'
7'-31/1'
8-01'j•
8'-40'/4
9'-7 ."
D'-51-A
11'-2%.-
Q'-d/e'
IT-11I
K 45
L 45
10'-71/4"
IT-V/4"
13'-Y/i'
14'-KP/4"
IB'-3'/e'
-7 e'
N'-T/j'
20'-6'/6"
2T-11"
23'-4"
L 45
IS
L
4'/i
0'-61/4"
06
0-B
06
M4M
R 45
P_g•
T-8
1'-
2'-D "
2'-2' "
277 •
7-6
2'-8
2-11 "
8_I
R 15
CUBIC YARDS
CONCRETE
CONC. PIPE
5.043
6.254
8.0711
10.295
12.637
15.429
18.585
22.A2
26.158
WS89
CONIC. PIE
C u. PIPE
5.351
6.661
8.829
11.033
13.590
16.535
20.056
23.981
28-298
]S.2N
C.M. PIPE
4T101.
PFEF: N1
STANDARD ENDWALLS FOR PIPE CULVERTS
42" - 96" CIRCULAR PIPES WITH 300 AND 454 SKEW
VRGINIA DEPARTMENT OF TRANSPORTATION
X�
ROAD AND BRIDGE STANDARDS
Ic`.
REVISION DATE
BEET 2 of 2
101.09
2016 ROAD & BRIDGE STANDARDS
2016 ROAD & BRIDGE STANDARDS
CR-10
) "
MIN. '- Two SECTIONS OF W-BEAM ONE INSIDE THE OTHER R (NESTED)
ST•D. CR-2 MIN 5'-0" MK
Two NESTED
zs'-O" MIN DYNAMIC 25'-011 MN. ST'O CR-2 AND
W-BEAMS.
_
3•Fp-G1� w2 I1H -1 pE FLECTKN I�ST'D. GR-2 WITH gpWROVED TERMINAL
NESTED W-BEAMS.' A I NESTED W-BENJS. END TREATMENT.
Pw
E SEE SEE
n FINISHED
(FOR A 4 LANE ROADWAY NOTE 1 N T
I GRADE
USE APPROPRIATE IRECTION OF TRAFFIC
® _
- - -
RUN-OFF TREATMENT). BOX
PLAN CIAVERT
I
2 YIN. LINTS OF PAYMEM FOR 5T'D. GR-D 50'-0" MIN.
G -
T-0" GR-2
ST'D. ST-D. GA!-2 AND
'P
APPROVED TERMINAL
1'
NOTE: FOR DETAILS OF
A END TREATMENT.
GUARDRAIL POSTS
AND BLOCKOUTS,
SEE STANDARD
MR 2' 2A
GUARDRAIL ��BOX STD. GUARDRAIL
POST
ELEVA ION CULVERT POST
CRT WOOD POST
ONE WAY TRAFFIC
TYPE III THREE POSTS OMITTED
CRT POST
5.J_:' YN I TWO SECTIONS OF W-BEAM ONE SET NODE THE OTHER (NESTED) 50'-0" MIN.
WITH DOUBLE BLOCKOUTS
sra. GH-2 ^ MIN 51.0" ST'O. GR-2 AND
APPROVED TERNI AL 25'-0" MN. APPROVED TERMINAL
DYNAMIC 25'-0• MN.
DEGREE
END TREATMENT. END TREATMENT.
ST'D. M-2 WITH DEFLECTION SPOOR-2 WITH
OF SKEW
NESTED W-BEAMS. +i NESTED W-BEARS.
SEE
NOTE NOTE
"
BOX CULVERT RECTIDI ON OF TR'1FFL
PL
BOX PERPENDICULAR
CULVERT WIOTH
-0" MN_ LIMITS OF PAYMENT FOR ST'D. GR-10 50'-0" MIN.
ST'D. M-2 HMO ST'D. GR-2 AND
IMPROVED TERMINALAPPROVED TERMINAL
THREE POSTS
END TREATMENT. I I END TREATMENT
OMITTED TOP VIEW
ST'D.
GUARDRAIL POST
ST'GUARDRAIL POST D.
TYPE W-THREE POSTS OMITTED
BO%
ELEVATION CULVERT
NDICU
MAX.PERPENDICULAR
.PER
TWO WAY TRAFFIC
SKEW A' (FEET)
WIDTHTYPE
III THREE POSTS OMITTED
G. 9" 23.00
NOTES:
S. 9" 22.90
1. THIS SHEET IS APPLICABLE WHEN GUARDRAIL IS REQUIRED AND THE DEPTH OF
KY 9" 22.60
FILL ABOVE THE TOP SLAB OF THE BOX CULVERT IS LESS THAN 4'-011.
15• 9" 22.10
2. GUARDRAIL INSTALLATION SHALL BE IN ACCORDANCE WITH SECTION 505 OF THE
201 9" 21.40
SPECIFICATIONS. MATERIAL REQUIREMENT FOR COMPONENTS SHALL BE IN
25• 9.1 20.60
MCORDAN CE WITH SECTION 221 OF THE SPECIFICATIONS.
30• 9" t9.60
3. GUARDRAIL POST SPACING SHALL BE IN ACCORDANCE WITH STANDARD M-2.
35• 9" 18.40
4. TWO NESTED W-BEAM GUARDRAILS, SEE TABLE FOR ALLOWABLE WIDTHS (25'-0"
40' 9" 1710
MAXIMUM),
45;9^ 15.60
S. TWO NESTED W-BEAM GUARDRAILS, CRT WOODPOST, 6'-311 SPACING, WITH TWO
6".8",UV" WOOD OR RECYCLED MATERIAL BLOCKOUTS.
"A" THEM ALLOWABLE DISTANCE BETWEEN
CLOSEST POINT OF POST TO STRUCTURE.
6. ALL SPLICES IN NESTED W-BEAM SECTIONS MUST COINCIDE AT A COMMON POINT
BE BOLTED TOGETHER USING ONE SET OF BOLTS AT EACH SPLICE.
END
SRFEREN TICE`V
D T
DEFERENE
GUARDRAIL
AT LOW -FILL CULVERTS
Row MO BRIDGE STANDARDS
221
REVISION DATE
SHEET 2 OF 2
505
501.19
VRGINIA DEPARTMENT OF TRANSPORTATION
7/11
2016 ROAD & BRIDGE STANDARDS
)COTT/R. CIILLINS7
H
Lic. No. 035791,a
7/19/21
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