HomeMy WebLinkAboutWPO201900027 Plan - VSMP 2022-09-21GENERAL NOTES
OWNER: SM CHARLOTTESVILLE LLC
11710 PLAZA AMERICA DR. SUITE 1100
RESTON, ORGINIA 20190
VUE REALTY PARTNERS LLC
1821 AVON ST.. SUITE 200
CHARLOTTESVILLE, VA 22902
DEVELOPER: STANLEY MARTIN HOMES
404 PEOPLE PLACE, SUITE 303
CHARLOTTESVILLE, VA 22911
ENGINEER: COLLINS ENGINEERING
200 GARRETT ST, SUITE K
CHARLOTTESVILLE, VA 22902
(434)293-3719
TAX MAP NO.: 056A1-01-00-02600 (4.400 AC)
05600-00-00-11500 (21.854 AC)
055CO-03-00-000Al (1.340 AC)
05600-00-00-00700 (3.190 AC)
TOTAL AREA: 30.784 ACRES (PORTION OF)
ZONING: R-6 RESIDENTIAL, STANDARD LEVEL - CLUSTER DEVELOPMENT WITH APPROVED
SP2019-02 SPECIAL USE PERMIT CONDITIONS (LISTED BELOW)
PROPOSED USE. PROPOSED PUBLIC ROAD TO SERVE AS THE ENTRANCE INTO THE PLEASANT GREEN
NEIGHBORHOOD.
PRESERVED/MANAGED SLOPES: NO PRESERVED SLOPES OR MANAGED SLOPES ARE IMPACTED WITH THIS
ROADWAY CONNECTION. PROPOSED AND MANAGED SLOPES ARE SHOWN
ON THE EXISTING CONDITIONS PLAN SHEET.
SUBDIVISION STREETS: CURB & GUTTER
WATERSHED: LICKINGHOLE CREEK WATER SUPPLY WATERSHED
AGRICULTURAL/ FORESTAL DISTRICT- NONE
TOPO & SURVEY., THE BOUNDARY LINE, PARCEL INFORMAT70N AND TOPOGRAPHY WERE PROVIDED BY
ROUDABUSH, GALE AND ASSOCIATES IN JANUARY OF 2019. INFORMATION WAS
FIELD VERIFIED BY COLLINS ENGINEERING IN SEPTEMBER OF 2020.
DATUM: NAD 83
EXIS77NG VEGETATION: PARTIALLY WOODED WITH (2) RESIDENCES ON THE PROPERTY AND EXISTING
GRAVEL DRIVEWAYS.
BURIAL SITES A CEMETERY EXISTS ON THE RESIDUE PROPERTY (PARCEL TMP 56A-1-26). THE
CEMETERY SHALL REMAIN AND WILL BE PRESERVED WITH THE DEVELOPMENT.
STREAM BUFFERS: THE 100' STREAM BUFFERS SHOWN HEREON SHALL BE MANAGED IN ACCORDANCE
WITH THE ALBEMARLE COUNTY WATER PR07ECT70N ORDINANCE
FLOODPLAIN: A PORTION OF THE RESIDUE PROPERTY IS LOCATED WITHIN A FLOODPLAIN ZONE
AS SHOWN ON FEMA MAP#51003CO229D, DATED FEBRUARY 4, 2005.
RETAINING WALLS: NO RETAINING WALLS ARE PROPOSED WITH THIS PLAN.
IMPERVIOUS AREAS: PROPOSED SIDEWALK WITH THIS PLAN: 10,600 sf
PROPOSED ROADWAY WITH THIS PLAN: 14,250 sf
OFFSITE EASEMEN T.• ALL PROPOSED GRADING SHALL BE CONSTRUCTED ON SITE OR WITHIN EXIS77NG
RIGHT-OF-WAY. NO OFFSI7E EASEMENTS ARE PROPOSED WITH THIS DEVELOPMENT.
TMP-56-115 IS NOT PART OF THE PLEASANT GREEN NEIGHBORHOOD, BUT ARE
PROVIDING THE EASEMENT AND RIGHT-OF-WAY FOR THE PROPOSED PUBLIC ROAD.
NO TES:
1) THIS PROPERTY DOES NOT LIE WITHIN AN AGRICULTURAL AND/OR FOREST DISTRICT.
2) ONLY (1) DWELLING PER LOT SHALL BE PERMITTED.
3) ALL PROPOSED EASEMENTS SHALL BE DEDICATED TO PUBLIC USE.
4) STREET TREES SHALL BE PROVIDED ALONG ALL THE PUBLIC STREETS 40' O.C. IN ACCORDANCE WITH
VDOT AND ALBEMARLE COUNTY STANDARDS.
5) ITE TRIP GENERATION: TRAFFIC IMPACT NUMBERS ARE BASED ON THE ITE TRIP GENERATION MANUAL,
8TH EDITION. CODES 230 WERE USED FOR THE DEVELOPMENT. SEE SHEET 4 OF THE ROAD PLAN FOR
TRAFFIC DISTRIBUTIONS.
6) THIS PROPERTY IS NOT LOCATED WITHIN A DAM INUNDATION ZONE.
SP2019-02 Pleasant Green Special Use Permit Conditions
1. The culverts under the proposed Connector Road extension over Powell's Creek must be in general
accord with the attached Concept Plan titled "Pleasant Green Subdivision Special Use Permit Plan"
(the "Plan') prepared by Collins Engineering with a revision date of March 2, 2020. To be in general
accord with the plan, development must reflect the general size, arrangement, and location of the
culverts, as well as maintaining no increase of the 100 year flood elevation outside of the Pleasant
Green property. Modifications to the plan that do not conflict with the elements above may be
approved subject to the review and approval of the County Engineer.
2. Prior to final road plan approval or permitting of a land disturbance in the floodplain, the applicant
must obtain from the Federal Emergency Management Agency (FEMA) a conditional letter of snap
revision (CLOMR, or CLOMA), and prior to road acceptance the applicant must obtain from FEMA
a letter of map revision (LOMR or LOMA). In addition, the applicant must copy the County
Engineer on all correspondence with FEMA. Construction and installation of the culverts must be in
compliance with approved road plans and FEMA approved CLOMR or CLOMA.
3. Any residential lots and associated streets resulting from the subdivision of the property, with the
exception of the stream crossing and roadway identified on the attached plan as Connector Road,
must be located outside of the 100 foot stream buffer, Flood Hazard Overlay and preserved slopes on
the property. Lots may be permitted to be located within the landward 10 feet of the 100 foot stream
buffer only if the lots are adjacent to approved stormwater management facilities located within the
landward 50 feet of the stream buffer. Approval of lots located within the stream buffer must be
subject Subdivision Agent approval.
4. The not density of the property must not exceed 6 units per acre, in accordance with the Crozet
Master Plan. Net density must be calculated by subtracting the area within the Flood Hazard Overlay
District, the 100-foot stream buffer, and areas of preserved slopes from the total acreage of the
property subject to the special use permit.
S. Prior to issuance of a grading permit to allow installation of the stream crossing or with submittal of
the final subdivision plat, whichever comes first, the applicant must submit an easement plat
dedicating to the county the area identified for a greenway trail on the attached plan.
6. If the construction of the stream crossing for which this Special Use Permit is issued is not
commenced by September 16, 2025, the permit will be deemed abandoned and the authority granted
thereunder will thereupon terminate.
7. Prior to approval of the first final Virginia Stormwater Management Program (VSMP) plans or the
first final subdivision plat, whichevercomes first, the applicant shall conduct aPhase I1 Environmental
Site Assessment (LSA) in accordance withASTM standards. The Phasell ESA shall include sampling
and testing of accumulated sediment behind the dam that exists on the Property. The applicant shall
be required to comply with all recommendations of the Phase II ESA prior to issuance of the first
building permit on the Property. The applicant shall also be required to remove accumulated sediment
from behind the dam prior to demolition of the dam and dispose of the sediment, either on site or off
site, in accordance with the Phase II ESA recommendations.
N
PLEASANT GREEN
CONNECTOR ROAD VSMP PLAN
--------------
SM CHARLOTTESVILLE, LLC \
TMP 056A1-01-00-026A0
0.900 ac. \`
iDB 5127, PG 677
-__--- --
PLEASANT GREEN PHASE III
FUTURE DEVELOPMENT
(NOT PART OF THIS PLAN,*
j SDP202i00096)
SM CHARLOTTESVILLE,
TMP 056A1-01-00-02600`
8.833 ac.
DB 5104, PG 510
(WPO 201900027)
WHITEHALL DISTRICT
ALBEMARLE COUNTY, VIRGINIA
PLEASANT GREEN PHASE II
FUTURE DEVELOPMENT
(NOT PART OF THIS PLAN,
SDP20200001q)
RESIDUE LAND FROM --:7
PLEASANT GREEN Q 111
PHASE I SUBDIVISION
TO BE COMBINED WITH
TMP 056A1- 1-00 02600 `
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\ TMP 055C0-OD-0C-00100 I 1.340 ac. ."
CAM& MAD LINE N R 416, G I DB 5127, PG 677
& MADELINE N OB 416, PG 227
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1980, PG 534 \
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PLEASANT GREEN PHASE I RE^ANGELA OR
TM 56A1-01-0 300 / IESL R J
DEVELOPMENT 0.464ac. T i 56A1 1 E03200
(SDP-2019-00009) J 2413•P 4 0.52 ac.
DB 10M, G
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ZELLER ORV W 222, PG \
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VUE REALTY PARTNERS LLC
TMP 05600-00-00-11500
21.854 ac.
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TMP 055C0-00.0A-000000.520 ac. OB 5132, PG 760
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0.370 ac. /
OB 1153, PG 735 \ o �(\ THE HOUSING LAB LLC
TMP 0500-068DO
0.670 ac.
DB 5079, PG 303 / \ \ THE HOUSING LAB LLC \
\ \•\ \ /,' TMP 05500.00-00-0BBCO
0.530 ac.
DB 5079, PG 303
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SHEET LAYOUT
SCALE: 1" = 1001
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TMP
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5112, PG 348
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SCALE: 1" = 2000' LAUREL HI L L S
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Sheet List Table
Sheet
Number
Sheet Title
1
COVER
2
EXISTING CONDITIONS & DEMOLITION PLAN
3
EROSION & SEDIMENT CONTROL NOTES & DETAILS
4
PHASE I EROSION & SEDIMENT CONTROL PLAN
5
PHASE II EROSION & SEDIMENT CONTROL PLAN
6
STORMINATER MANAGEMENT PLAN
7
MITIGATION PLAN
7 TOTAL NUMBER OF SHEETS
LEGEND
EDGE OF PAVEMENT
CURB
SOIL BOUNDARY
ER05/0N CONTROL
BUILDING
SA
SAFETY FENCE
3.01
"'
PROPOSED ASPHALT
CR
CONSTRUCTION ROAD
3.03
STREAM BANKS
STABILIZATION
_
100' WPO BUFFER
CE
CONSTRUCTION ENTRANCE
3.02
_ -PROPOSED
EASEMENT
VARIES WITH SHEET
SF
SILT FENCE
3.05
DRAINAGE PIPE
lP
INLET PROTEC77ON
3.07
BENCH MARK
DD
TEMPORARY DIVERSION DIKE 3.09
v
VDOT STANDARD STOP SIGN
PROPOSED HANDICAP
TEMPORARY RIGHT-OF-W4Y311
PARKING SPACE STRIPING
DIVERSION
ST
TEMPORARY SEDIMENT TRAP 3.13
INLET PROTECTION
SB
SEDIMENT BASIN
3.14
200
EXISTING CONTOUR
OP
OUTLET PR07EC77ON
3.18
zoo
PROPOSED CONTOUR
SEDIMENT TRAP OR BASIN
RR
RIPRAP
3.19
DRAINAGE DIVIDE
RR
U77LITY STREAM CROSSING
3.25
.
LIMITS OF CLEARING/GRADING
SA
TEMPORARY SEEDING
3.31
LIMITS OF DISTURBANCE
r PF
DIVERSION DIKE
PS
PERMANENT SEEDING
3.32
TREE PRESERVA77ON
RIGHT-OF-WAY DIVERSION
TP O
AND PROTECTION
J.
TREE PROTECTI0N
DC
DUST CONTROL
3.39
SAFETY FENCE
�-X-X�
SIL TFENCE
* VIRGINIA EROSION & SEDIMENT CONTROL
PROPERTY LINE
HANDBOOK SPECIFICA77ON NUMBER
PROPOSED CONCRETE
0 OO OO OO OO OO OO
100 YR. FLOODPLAIN
RIPRAP, OUTLET PROTECTION
OR CONSTRUCTION ROAD
STABILIZA TION
APPROVALS
DATE
DEPARTMENT OF COMMUNITY DEVELOPMENT
PLANNER/ZONING
ENGINEER
INSPECTIONS
ARB
DEPARTMENT OF FIRE RESCUE
ALBEMARLE COUNTY SERVICE AUTHORITY
VIRGINIA DEPARMENT OF TRANSPORTATION
HEALTH DEPARTMENT
No. 35791
8/24/22
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1. A PORTION OF THIS PROJECT IS LOCATED WITHIN
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LOUNSBURY, KEVIN G OR ANN A
TMP 055C0-00-OA-00200 / LUDWIG, DALE & CHRIS ANNE "` ` .t `>� — -L'%�— 5 5 / _ _ / / ; ; / 1 FLOODPLAIN LIMITS, BASED ON FEMA MAP NUMBER
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\ fo O 2. THE BOUNDARY LINE, PARCEL INFORMATION AND
\ \ \ TMP 055C0-00-OA-00400 �I DB 5132, PG 760 = =_ i ( < ,y- — —
' ISTING SANITARY SEWER ) / / O Q
\ 0.520 ac. \ \ / ' - J , TOPOGRAPHY WERE PROVIDED BY ROUDABUSH, GALE AND LLI
\ \ DB 4037, PG 681 / , - / \ \ ASSOCIATES IN JANUARY OF 2019. INFORMATION WAS FIELD LLI
/S�qO //' / \ " � \ VERIFIED BY COLLINS ENGINEERING IN SEPTEMBER OF 2020. Q
STRICKLER, GLORIA C \ I / \ 2 EXISTING 60" CMP CULVERTS % ' i i / \ / '` P \
TMP 055C0-00 DA-00500 \ y O \ F / // �� \ 3. PRESERVED STEEP SLOPES ARE LOCATED ON THE PROPERTY J Q J
\ \ 153, Pac. ! a; %/ / AS SHOWN ON THE PLANS. 100' WPO STREAM BUFFER IS Ur
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4 1, PG 364 - \ �\ THE FIVE VACANT WATER METERS ALONG ORCHARD DRIVE SERVING TMP
OSSCO-03-oo-000Ai, AS SHOWN ON THIS SHEET, SHALL BE ABANDONED IN ACCORDANCE SHEET NO.
WITH MINIMUM ACSA STANDARDS, TYPICAL. SEE THIS SHEET FOR ACSA DETAIL TD-i3.. 2
EROSION &• SEDIMENT CONTROL
EROSION CONTROL NOTES
DESCRIPTION OF EROSION &
EROSION CONTROL NOTES & NARRATIVE
MEASURES:
1.
THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE
SEDIMENT CONTROL MEASURES:
PROJECT DESCRIPTION:
PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND
STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE IN
DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION.
THE PURPOSE OF THIS LAND DISTURBANCE AC77✓ITY IS TO CONSTRUCT RAMBLING BROOK LANE, CONNEC77NG THE PLEASANT GREEN
ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK.
2.
ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND
SUBDIVISION PROJECT TO EXISTING ORCHARD DRIVE. THIS PROJECT PROPOSES TO DISTURB AN ADDITIONAL 1.99 cc. OF LAND OUTSIDE
STRUCTURAL PRACTICES USED IN THIS SEC77ON CONSIST OF THE FOLLOWING:
MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA
EROSION AND SEDIMENT CONTROL MEASURES:
OF THE THE PREVIOUSLY APPROVED AND PERMITTED AREAS, AS SHOWN AND LABELED ON SHEETS 3 & 4. THE PROJECT WILL BEGIN
EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULA7IONS VR
ITS CONSTRUCTION WITH THE PROPOSED ESC MEASURES IMMEDIATELY FOLLOWING PLAN APPROVAL, WHICH IS ANTICIPATED TO BE IN
301 SAFETY FENCE..
625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS.
IT IS ANTICIPATED THAT THE CONTRACTOR WILL USE A CONSTRUCTION ENTRANCE,
OCTOBER OF 2022. THE WORK IS ANTICIPATED TO BE COMPLETED WITHIN 12 MONTHS.
A PR07EC77VE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CONTROL
J.
ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR
RIPRAP, OUTLET PROTECTION, DIVERSIONS, A UTILITY STREAM CROSSING, INLET
EXISTING SITE CONDITIONS'
MEASURE. TO PROHIBIT THE UNDESIRABLE USE OF AN EROSION CONTROL MEASURE BY
AS THE FIRST STEP IN CLEARING.
PROTECTIONS AND SILT FENCES TO CONTROL SURFACE DRAINAGE TEMPORARY SEEDING
THE EX/STING S17E IS WOODED W/T14 LIGHT UNDERBRUSH. POWELLS CREEK EXISTS ON THE PROPERTY, FLOWING NORTH TO SOUTH ON
THE PUBLIC. APPLICABLE TO ANY CONTROL MEASURE OR SERIES OF MEASURES WHICH
4.
A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE
WILL BE USED IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE ACTIVITIES. STOCKPILE
THE SITE.
CAN BE CONSIDERED UNSAFE BY VIRTUE OF P07EN7AL ACCESS BY THE PUBLIC.
MAINTAINED ON THE SITE AT ALL TIMES.
ADJACENT AREAS,•
5.
PRIOR TO COMMENCING LAND DISTURBING ACTIW77ES IN AREAS OTHER THAN
LOCATIONS SHALL BE ON SITE AND SHALL BE STABILIZED WITH A TEMPORARY
THIS SITE /S BORDERED NORTHEAST BY THE PROPOSED PLEASANT GREEN SUBDIVISION, AND ON THE EAST BY EXIS77NG RESIDEN77AL
3.02 CONSTRUC77ON ENTRANCE.,
INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF-S17E BORROW OR
VEGETATIVE COVER. TEMPORARY STOCKPILE AREAS THAT ARE USED FOR STORING SOIL
LOTS SOUTH OF THE PROPOSED SITE IS JARMANS GAP ROAD, AND ORCHARD DRIVE EXISTS TO THE WEST. SILT FENCE WITH WIRE
A STABILIZED GRAVEL CONSTRUCTION ENTRANCE LOCATED AT POINTS OF VEHICULAR
WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION
UN77L A LATER TIME FOR SPREADING WILL REQUIRE MAINTENANCE & SHALL BE
BACKING, A U77LITY STREAM CROSSING, RIPRAP, INLET CONTROLS AND VARIOUS OTHER ESC MEASURES ARE PROPOSED TO LIMIT THE
INGRESS AND EGRESS ON A CONSTRUCTION SITE. TO REDUCE THE AMOUNT OF MUD
TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF.
CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING
SURROUNDED BY SILT FENCE AT ALL TIMES. PERMANENT SEEDING WILL BE PERFORMED
POTENTIAL FOR CONTAMINATION OF THESE ADJACENT PROPER77ES AND WATERWAYS.
CONSTRUCTION ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE
6.
AUTHORITY.
THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADD1170NAL EROSION
FOR ALL AREAS WHICH WILL NO LONGER BE EXCAVATED AND WHERE CONSTRUCTION
OFFSITE LAND DISTURBANCE:
AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS
OFFSIDE LAND DISTURBANCE IS LIMITED TO PUBLIC RIGHT-OF-WAY AND AREAS LOCATED WITHIN THE OVERALL PLEASANT GREEN
CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS
ACTIVITIES HAVE CEASED. PERMANENT SEEDING SHALL ALSO BE PERFORMED FOR ALL
BOUNDARY.
ROAD
DETERMINED BY THE PLAN APPROVING AUTHORITY.
DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR A YEAR OR MORE. SELECTION OF
SOILS,•
ST
THE TEMPORARY STABILIZATION OF ACCESS ROADS, SUBDIVISION ROADS, PARKING
THE TEMPORARY 7ON O ACCESS
7.
ALL DISTURBED AREAS ARE DRAIN TO APPROVED SEDIMENT CONTROL MEASURES
AT ALL TIMES DURING LAND DI DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT
SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. TEMPORARY SEEDING WILL
SEE SOIL DESCRIPTIONS ON THIS PAGE AND THE PHASE l EROSION &SEDIMENT CONTROL PLAN FOR BOUNDARIES, SOIL TYPES AND
AREAS, AND OTHER SIT£ VEHICLE TRANSPORTAT70APON ROUTES WITH STONE IMMEDIATELY
AFTER GRADING. TO REDUCE EROSION OF TEMPORARY ROADBEDS BY CONSTRUCTION
UN77L FINAL STABILIZA77ON IS ACHIEVED.
BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR MORE
GENERAL SOIL DETAILS
TRAFFIC DURING WET WEATHER AND TO REDUCE EROSION AND SUBSEQUENT REGARDING
8.
DURING DEW47ERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED
THAN SEVEN DAYS. THESE AREAS SHALL BE SEEDED WITH FAST GERMINATING
CRITICALS AREA'
OF PERMANENT ROADBEDS BETWEEN THE 77ME OF INITIAL GRADING AND FINAL
FILTERING DEVICE
POWELLS CREEK AND ITS IMMEDIATELY ADJACENT WETLANDS ARE LOCATED ON THE PROPERTY. THESE ARE CONSIDERED CRITICALLY
STABILIZATION. USE WHEREVER STONE -BASE ROADS OR PARKING AREAS ARE
9.
THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY
VEGETATION IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS. SELECTION OF SEED
SENSITIVE AREAS. THE CONTRACTOR SHALL GIVE EXTRA ATTENTION AND CAUT70N IN AND AROUND THESE CRI77CAL AREAS TO ENSURE
CONSTRUCTED, WHETHER PERMANENT OR TEMPORARY, FOR USE BY CONSTRUCTION
AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR
MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED.
SEDIMENT IS NOT DEPOSITED ON THEM. TREE PROTECTION FENCING, SILT FENCING, DIVERSIONS AND SEDIMENT TRAPPING DEVICES
TRAFFIC.
CLEANUP TO MAINTAIN THE EFFEC77VENESS OF THE EROSION CONTROL DEVICES SHALL
SHALL ALSO BE INSTALLED AS A FIRST STEP IN LAND DISTURBANCE TO ENSURE THESE CRITICAL AREAS ARE MAINTAINED.
305 SILT FENCE
10.
BE MADE IMMEDIATELY.
ALL FILL MAT£R/AL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA.
301 SAFETY FENCE -SAFETY FENCE /S PROPOSED AROUND THE SEDIMENT BASIN AND
SEQUENCE OF CONS TT 770N:
1 CONTRACTOR SHALL N077FY THE ALBEMARLE COUNTY COMMUNITY DEVELOPMENT ENGINEERING DEPARTMENT TO SCHEDULE A
A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SMTHE77C FILTER FABRIC
11.
ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL
SEDIMENT TRAP.
PRE -CONSTRUCTION MEETING.
STRETCHED ACROSS AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED TO
SHALL BE INERT MATERIALS ONLY FREE OF ROOTS STUMPS WOOD RUBBISH AND
302 CONSTRUC770N ENTRANCE - TO REDUCE THE AMOUNT OF MUD TRANSPORTED
2. PRIOR TO DISTURBANCES, THE LIMITS OF DISTURBANCE SHALL BE FLAGGED AND THE TREE PR07EC770N FENCING SHALL BE
INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DISTURBEDAREAS DURING
OTHER DEBRIS
ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. (2) CONSTRUCTION
INSTALLED.
CONSTRUCTION OPERATIONS IN ORDER TO PREVENT SEDIMENT FROM LEA VING THE SITE,
12.
BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION
AND TO DECREASE THE VELOCITY OF SHEET FLOWS AND LOW -TO -MODERATE LEVEL
PER ZONING ORDINANCE SECTION 5.1.28.
ENTRANCES ARE PROPOSED.
J. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCT70N PROCESS WITHOUT THE APPROVAL FROM THE
CHANNEL FLOWS. THE SILT FENCE BARRIERS SHALL BE INSTALLED DOWN SLOPE OF
13.
ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301
J.03 CONSTRUC77ON ROAD STABILIZATION - TO REDUCE THE EROSION OF TEMPORARY
INSPECTOR ON THE PROJECT.
4• INSTALLATION OF THE PROPOSED CONSTRUCTION ENTRANCES SHALL OCCUR NEXT. THE CONTRACTOR SHALL APPLY
AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF FROM SHEET FLOW
OF THE CODE OF ALBEMARLE.
AS INDICATED. THEY SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND
14.
BORROW FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT
Q
ROADBEDS BY CONSTRUCT70N TRAFFIC AND TO REDUCE 7HE EROSION AND SUBSEQUENT
CONSTRUCTION ROAD STABILIZATION AS NEEDED TO THE CONSTRUCT70N ENTRANCES AND CONTRACTOR PARKING STAGING
/
MAINTAINED IN ACCORDANCE NTH THE VIRGINIA EROSION & SEDIMENT CONTROL
SHALL BE LIMITED TO THE HOURS OF 7:00 AM TO 9:00 PM.
REGARDING OF PERMANENT ROADBEDS BETWEEN THE 77ME OF IN177AL GRADING AND
AREA. CONSTRUCTION ENTRANCE TO BE INSTALLED WHERE CONSTRUCTION VEHICLE ROUTES INTERSECT PAVED PUBLIC ROADS,
HANDBOOK (VESCH).
15.
BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAT
FINAL STABILIZATION. CONSTRUCTION ROAD STABILIZATION WILL BE APPLIED TO THE
PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING ONTO THE PAVED SURFACE.
MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS,
WHERE SEDIMENT IS TRANSPORTED ONTO A PUBLIC ROAD SURFACE, THE ROAD SHALL BE CLEANED THOROUGHLY AT THE END OF
3.07 STORM DRAIN INLET PRO7EC7TON.'
PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY
CONTRACTOR PARKING & STAGING AREAS AS NEEDED.
EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTING TO A SEDIMENT
A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM DRAIN
PUBLIC STREET BECAUSE OF SLIDES, SINKING, OR COLLAPSE.
J.05 SILT FENCE- SILT FENCE IS PROPOSED, WHERE SHOWN ON THE PLANS.
CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER.
DROP INLET OR CURB INLET. TO PREVENT SEDIMENT FROM ENTERING STORM DRAINAGE
16.
THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR
J.07 STORM DRAIN INLET PROTECTION- STORM DRAIN INLET PROTECTION IS SHOWN ON
5. THE INITIAL ESC CONSTRUCTION MEASURES, AS SHOWN ON THE PHASE I EROSION & SEDIMENT CONTROL PLAN, SHALL BE
SYSTEMS PR/OR TO PERMANENT STABILIZA77ON OF THE DISTURBED AREA. INLET
CONVERT TO PERMANENT STORMWA TER MANAGEMENT FACIL177ES WHERE APPLICABLE
INSTALLED NEXT. THE CONTRACTOR SHALL BEGIN BY INSTALLING THE PER/METER SILT FENCE AND TREE PROTECTION. PER/METER
PR07ECT70N APPLIES WHERE STORM DRAIN INLETS ARE TO BE MADE OPERA7IONAL
ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE
THE PLANS WHEN INLETS ARE CONSTRUCTED BUT THEIR SITE's CONTRIBUTING DRAINAGE
MEASURES INTENDED TTRAP SEDIMENT SHALL BE CONSTRUCTED A FIRST STEP WITH ANY LAND DISTURBANCE ACTIVITY AND
BEFORE PERMANENT STABILIZAT7ON OF THE CORRESPONDING DISTURBED DRAINAGE
SALE OF ANY LOT, UNIT, BUILDING OR OTHER PORTION OF THE PROPERTY.
AREA IS STILL BEING STABILIZED.
SHALL BE MADE FUNCTI7 TONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE.
AREA.
17.
TEMPORARY STABILIZA7ION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING
J.08 CULVERT INLET PROTECTION - PROPOSED AT THE INLET OF THE TEMPORARY
6. ONCE THE PERIMETER EROSION CONTROL SILT FENCE AND TREE PR07EC770N HAVE BEEN INSTALLED, AND THE COUNTY
311 TEMPORARY RIGHT-OF-WAY DIVERSION:
IS TO BE AT 75 LBS/ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO
CONSTRUCTION ENTRANCE CULVERT
INSPECTOR HAS APPROVED THESE MEASURES, LIGHT CLEARING AND LAND DISTURBANCE MAY BEGIN FOR THE REMAINING
A RIDGE OF COMPACTED SOIL OR LOOSE ROCK OR GRAVEL CONSTRUCTED ACROSS
CONSIST A 50/50 MIX OF ANNUAL RYGRASS AND CEREAL WINTER RYE, OR IN MARCH
3.18 OUTLET PR07EC77ON-OUTLET PROTECTION IS PROPOSED AT THE OUTLET OF THE
PERIMETER CONTROLS, INCLUSIVE OF SEDIMENT TRAP /1. THE CONTRACTOR SHALL FOLLOW THE TRAP INSTALLATION WITH THE
DISTURBED RIGHTS -OF -WAY AND SIMILAR SLOPING AREAS. TO SHORTEN THE FLOW
AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF
STREAM DIVERSION IN ACCORDANCE WITH THE PLAN AND DETAILS SHOWN ON THE PHASE l ESC PLAN. AFTER DIVER77NG THE
LENGTH WITHIN A SLOPING RIGHT-OF-WAY, THEREBY REDUCING THE EROSION POTENTIAL
GERMAN MILLET. S7RAW MULCH IS TO BE APPLIED AT 80LBS/100SF. ALTERNA77VES
CONSPAN STRUCTURE. SEE THE ESC PLAN FOR THE DESIGN LOCATION.
STREAM AND OBTAINING THE ESC INSPECTORS PERMISSION, THE CONTRACTOR CAN INSTALL THE PROPOSED CONSPAN
BY DIVERTING STORM RUNOFF TO A STABILIZED OUTLET. GENERALLY EARTHEN
ARE SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR.
319 RIPRAP- RIPRAP IS PROPOSED AT THE OUTLET OF THE CONSPAN STRUCTURE AND
STRUCTURE AND ASSOCIATED WING WALLS AND RIPRAP. ONCE THE CONSPAN STRUCTURE IS INSTALLED AND THE ESC AND VDOT
DIVERSIONS ARE APPLICABLE WHERE THERE WILL BE LITTLE OR NO CONSTRUCTION
18.
PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND
TEMPORARY CONSTRUCTION ENTRANCE CULVERT.
INSPECTORS HAVE GIVEN APPROVAL THE STREAM DIVERSION MAY BE REMOVED AND THE NORMAL FLOW CONDITION THROUGH THE
TRAFFIC WITHIN THE RIGHT-OF-WAGRAVEL STRUCTURES ARE MORE APPLICABLE TO
MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90LBS/1000SF,
PROPOSED CONSPAN STRUCTURE CAN BE ESTABLISHED. FOLLOWING THIS, THE CONTRACTOR SHALL INSTALL ANY REMAINING
ROADS AND OTHER RIGHTS -OF -WAY WHICH ACCOMMODATE VEHICULAR TRAFFIC.
INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT
3.25 UTILITY STREAM CROSSING- A UTILITY STREAM CROSSING IS PROPOSED FOR THE
EROSION CONTROL ITEMS AS SHOWN ON THE PHASE I EROSION CONTROL PLAN. TEMPORARY SEEDING, PERMANENT SEEDING AND
1000LBS/ACRE AND CONSIST OF A 10-20-10 NUTRIENT MIX. PERMANENT SEEDING
CONSPAN STRUCTURE AT THE RAMBLING BROOK LANE CROSSING.
DUST CONTROL SHALL BE IMPLEMENTED AS REQUIRED.
J.12 DIVERSION:
SHALL BE APPLIED AT 180LBS/ACRE AND CONSIST OF 957. KENTUCKY 31 OR TALL
332 PERMANENT SEEDING -PERMANENT SEEDING IS REQUIRED AND PROPOSED WITH THIS
7. ONCE ALL THE PHASE I EROSION CONTROL ITEMS HAVE BEEN INSTALLED & ARE OPERATIONAL, DRAINAGE IS PROPERLY
WI A CHANNEL CONSTRUCTED ACROSS A SLOPE TH A SUPPORTING EARTHEN RIDGE ON
FESCUE AND 0-59 PERENNIAL RYGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS
PLAN.
CONVEYED TO THESE MEASURES, AND THE ESC INSPECTOR HAS GRANTED APPROVAL, THE CONTRACTOR CAN BEGIN PHASE Il OF
THE LOWER SIDE. TO REDUCE SLOPE LENGTH AND TO INTERCEPT AND DIVERT
STORMWA TER RUNOFF TO STABILIZED OUTLETS AT NON -EROSIVE VELOCITIES. APPLIES
TO BE APPLIED AT 80LBS/100SF. ALTERNA77✓ES ARE SUBJECT TO APPROVAL BY THE
338 TREE PRESERVATION AND PROTECTION- TREE PROTECTION IS PROPOSED WITH THIS
THE EROSION AND SEDIMENT CONTROL PLAN.
8. AFTER CLEARING THE PROPOSED AREAS, THE CONTRACTOR CAN BEGIN ROUGH GRADING THE SITE TO THE CONTOURS SHOWN ON
WHERE RUNOFF FROM AREAS OF HIGHER ELEVATION MAY DAMAGE PROPERTY, CAUSE
EROSION CONTROL INSPECTOR.
PLAN. SEE THE ESC PLAN FOR THE REQUIRED LOCATIONS.
THE PHASE lI EROSION &SEDIMENT CONTROL PLAN. MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A
ALL BE
EROSION, OR INTERFERE WITH THE ESTABLISHMENT OF VEGETA77ON ON LOWER AREAS
19.
MAINTENANCE ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH
FIRST STEP WITH ANY LAND DISTURBANCE ACPLAN AND SHALL BE MADE FUNCTIONAL BEFORE LAND DISTURBANCE
WHERE SURFACE AND/OR SHALLOW SUBSURFACE FLOW IS DAMAGING SLOPING UPLAND,
RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIRED
339 DUST CONTROL -DUST CONTROL IS REQUIRED AND PROPOSED WITH THIS PLAN.
TAKES PLACE.
AND WHERE THE SLOPE LENGTH NEEDS TO BE REDUCED TO MINIMIZE SOIL LOSS.
IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 50Z OF THE WET STORAGE
9. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL
VOLUME IS FILLED NTH SEDIMENT. ALL SEEDED AREAS ARE TO BE RESEEDED WHEN
313 TEMPORARY SEDIMENT TRAP:
E A GOOD STAND OF GRASS. SILT FENCE AND DIVERSION
NECESSARY TO ACHIEVE
GRADE IS REACHED ON ANY PORT70N OF THE SITE TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO
A TEMPORARY PONDING AREA FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT
DYKES WHICH ARE COLLEC77NG SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED
DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS.
WITH A STONE OUTLET. TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED
AND REPAIRED IMMEDIATELY.
PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR.
AREAS LONG ENOUGH TO ALLOW THE MAJORITY OF THE SEDIMENT TO SETTLE OUT.
20.
ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED
10. ONCE THE SITE IS ROUGH GRADED, THE CONTRACTOR SHALL BEGIN INSTALLAT70N OF THE PROPOSED ROADWAY. INLET
USE BELOW DISTURBED AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS
WITHIN 30 DAYS OF FINAL SITE STABILIZATION WHEN MEASURES ARE NO LONGER
MAINTENANCE.
PROTECT70N SHALL BE INSTALLED ON ALL INLETS IMMEDIATELY FOLLOWING THEIR CONSTRUCTION. THE INLET PR07EC77ONS SHALL
LESS THAN 3 ACRES, WHERE THE SEDIMENT TRAP WILL BE USED NO LONGER THAN 18
NEEDED, SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR.
BE INSPECTED AFTER EACH RAINFALL EVENT AND REPAIRS SHALL BE MADE AS NEEDED. IF THE STONE FILTER BECOMES
MONTHS, AND IT MAY BE CONSTRUCTED EI7HER INDEPENDENTLY OR IN CON✓UNCT70N
21.
THE E&S INSPECTOR HAS THE AUTHORITY TO ADD OR DELETE E&S CONTROLS AS
IN GENERAL, DURING CONSTRUC77ON THE RLD OR CONTRACTOR ON -SITE WILL CHECK ALL
CLOGGED WITH SEDIMENT SO THAT IT NO LONGER ADEQUATELY PERFORMS ITS FUNCTION, THE STONE MUST BE PULLED AWAY
WITH A TEMPORARY DIVERSION DIKE.
NECESSARY IN THE FIELD AS S17E COND177ONS CHANGE. IN ADDITION, NO SEDIMENT
EROSION AND SEDIMENT CONTROL MEASURES DAILY AND AFTER EACH SIGNIFICANT
AND CLEANED AND/OR REPLACED. THE CONSTRUCTED STORM SEWER SHALL OUTFALL INTO SEDIMENT TRAP #1 UN77L THE S17E IS
BASIN OR TRAP CAN BE REMOVED WITHOUT WRITTEN AUTHORIZATION.
RAINFALL. MONITORING REPORTS WILL BE REQUIRED FROM THE RLD IF NEEDED. SPECIFIC
COMPLETELY STABILIZED. THIS SHALL BE COMPLETED BY INSTALLING SIR. C14 (STORM SEWER MH) WIN SEGMENTAL RINGS. A TEMPORARY
J.14 TEMPORARY SEDIMENT BASIN:
ATTENTION WILL BE GIVEN TO THE FOLLOWING ITEMS
RING SHALL BE INSTALLED DURING CONSTRUCTION TO OUTLET THE TEMPORARY ESC 15" CUP INTO ST /1 (SHOWN ON ESC PHASE 11). DURING
A TEMPORARY BARRIER OR DAM WITH A CONTROLLED S7ORMWA7ER RELEASE
STRUCTURE FORMED BY CONSTRUC77NG AN EMBANKMENT OF COMPACTED SOIL ACROSS
SOIL DESCRIPTION
o. SEDIMENT BASINS AND/OR TRAPS WILL BE CLEANED AND MAINTAINED IN
CONSTRUCTION THE LOWER, PERMANENT OUTFALL SHALL BE BLOCKED WA7ER77GHT TO ENSURE RUNOFF ENTERS ST /1 & IS NOT DISCHARGED
A DRAINAGEWAY. TO DETAIL SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS
ACCORDANCE WITH THE VIRGINIA EROSION &SEDIMENT CONTROL HANDBOOK.
INTO THE STREAM. ONCE THE STORM SEWERS SUBAREA IS STABILIZED &THE ESC INSPECTOR GRANTS PERMISSION THE CONTRACTOR CAN
IN `WET" AND `DRY" STORAGE LONG ENOUGH FOR THE MAJORITY OF THE SEDIMENT TO
7B-
BRADDOCK LOAM-2 r0 79 SLOPES. SOIL IS WELL DRAINED WITH A MEDIUM RUNOFF
b.ALL GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR SEDIMENT BUILDUP THAT
REMOVE THE TEMP. 15" ESC PIPE & THE LOWER BLOCKAGE TO ALLOW SIR. C14 TO DISCHARGE INTO THE STREAM.
SETTLE OUT APPLIES BELOW DISTURBED AREAS WHERE THE TOTAL CONTRIBUTING
CLASSIFICATION. SURFACE LAYER IS TYPICALLY LOAM AND ABOUT 0-8" THICK. THE
WILL PREVENT PROPER DRAINAGE. IF THE GRAVEL IS CLOGGED BY SEDIMENT THE
11. AFTER THE S17E /S FULLY STABILIZED, AND THE ESC INSPECTOR GRANTS APPROVAL, THE CONTRACTOR SHALL REMOVE
DRAINAGE AREA IS EQUAL TO OR GREATER THAN THREE ACRES. THERE MUST BE
Q
DEPTH THE WATER TABLE IS GENERALLY MORE THAN 80".
GRAVEL WILL BE REMOVED AND CLEANED OR IT WILL BE REPLACED.
TEMPORARY ESC SEDIMENT TRAP 1.
/
SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY FOR THE CONSTRUCTION OF A
17-
IL
CRAIGSVILLE LOAM-0 r0 2% SLOPES. SOIL IS WELL DRAINED WITH A VERY LOW
c. ALL SILT FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING OR
12. ONCE PHASE ll OF CONSTRUCTION IS COMPLETE THE SITE IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL, THE
TEMPORARY IMPOUNDMENT:
RUNOFF CLASSIFICATION. SURFACE LAYER IS TYPICALLY LOAM AND ABOUT 0-8'•
DETERIORATION OF THE FABRIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL BE
CONTRACTOR CAN REMOVE THE EROSION &SEDIMENT CONTROL MEASURES. NO ITEM SHALL BE REMOVED, THROUGHOUT ALL
THICK. THE DEPTH TO THE WATER TABLE IS GENERALLY MORE THAN 80".
REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHED HALF WAY TO THE
PHASES OF CONSTRUCTION, UNLESS THE UPSTREAM AREAS ARE STABILIZED AND THE INSPECTOR GIVES PRIOR PERMISSION.
J.18 OUTLET PROTECTION:
25B-DYKE
SILT LOAM-2 TO 79 SLOPES. SOIL IS WELL DRAINED WITH A MEDIUM RUNOFF
TOP OF THE BARRIER.
13. THE CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT
STRUCTURALLY LINED APRONS OTHER ACCEPTABLE ENERGY DISSIPATING DEVICES
d.ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE THAT A GOOD STAND IS
CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN ACCORDANCE WITH THE
PLACED THE OUTLETS P ES OR PAVED CHANNEL SECTIONS PREVENT
CLASSIFICATION. SURFACE LAYER IS TYPICALLY SILT LOAM AND ABOUT 0-8" THICK.
MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED.
VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK.
T STORMWA7ER OUTLETS, TO PROTECT THE OUTLET STRUCTURE,
SCOUR ATT E, AND TO
THE DEPTH TO THE WATER TABLE IS GENERALLY MORE THAN 80".
IN CASE OF EMERGENCY, THE PRIMARY CONTACT FOR THE PROJECT WILL BE THE RLD
14. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE
MINIMIZE THE P07EN77AL FOR DOWNSTREAM EROSION BY REDUCING THE VELOCITY AND
37D3-HAYESVILLE
LOAM-15 TO 257. SLOPES. SOIL /S WELL DRAINED WITH A HIGH
OR CONTRACTOR ON -SITE. THE CONTRACTOR AT THIS TIME IS DIGS. BROOK WOOD WITH
STABILIZA7ION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS 07HERWSE AUTHORIZED BY THE LOCAL
ENERGY CONCENTRATED FLOWS. APPLICABLE TO THE OUTLETS OF ALL
RUNOFF CLASSIFICATION. SURFACE LAYER IS TYPICALLY LOAM AND ABOUT 0-7"
PROGRAM ADMINIS7RATOR. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESUL77NG FROM THE DISPOS177ON OF
CHANNEL
PIPES AND ENGINEERED CHANNEL SECTIONS.
D SECTIONS
THICK. THE DEPTH TO THE WATER TABLE lS GENERALLY MORE THAN 80".
DIGS MAY BE REACHED AT (434) 978-4435. IN ADD177ON THE OWNER MAY BE
TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION.
CONTACTED. UPON COMPLET70N OF THE PROJECT THE OWNER WILL BE RESPONSIBLE
J.19 RIPRAP:
REFERENCE: WEB SOIL SURVEY ONLINE DATABASE, FOUND AT
FOR SITE MAINTENANCE.
A PERMANENT, EROSION -RESISTANT GROUND COVER OF LARGE, LOOSE, ANGULAR
http://websoilsurvey.nres.usdc.gov/OppIWebSoilSurvey.ospx
STONE WITH FILTER FABRIC OR GRANULAR UNDERLINING. TO PR07ECT THE SOIL FROM
THE EROSIVE FORCES OF CONCENTRATED RUNOFF, SLOW THE VELOCITY OFTI
CONCENTRATED RUNOFF WHILE ENHANCING THE POTENTIAL FOR INFILTRATION, AND TO
EROSION CONTROL NOTES
STABILIZE SLOPES WITH SEEPAGE PROBLEMS, AND/OR NON -COHESIVE SOILS USE
--
WHEREVER SOIL AND WATER INTERFACE AND THE SOIL CONDITIONS, WATER TURBULENCE
ES-1: UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL
AND VELOCITY, EXPECTED VEGETATIVE COVER, ETC., ARE SUCH THAT THE SOIL MAY
SILT FENCE CULVERT INLET
EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED
ERODE UNDER THE DESIGN FLOW CONDITIONS
AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND
PROTECTION
SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL
325 UTILITY STREAM CROSSING:
HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION
A STRATEGY FOR CROSSING SMALL WATERWAYS WHEN IN -STREAM UTILITY
AND SEDIMENT CONTROL REGULATIONS.
CONSTRUC77ON IS INVOLVED. TO HELP PROTECT SEDIMENT FROM ENTERING THE
ENDWALL
ES-2: 7HE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK
STREAM FROM CONSTRUCTION WITHIN APPROACH AREAS TO MINIMIZE THE AMOUNT OF
PRIOR TO THE PRE-CONS77?UC77ON CONFERENCE, ONE WEEK PRIOR
DIS77JRBANCE WITHIN THE STREAM ITSELF. GENERALLY APPLICABLE TO FLOWING
STREAMS K17H DRAINAGE AREAS LESS THAN ONE SQUARE MILE.
331 TEMPORARY SEEDING.'
THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY
SEEDING WITH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS. TO REDUCE EROSION
AND SEDIMENTA7ON BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO
_________ ____ ______ --
`T---T"'
TOE OF FlLL i_ CULVERT
I
----
TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE
WEEK PRIOR TO THE FINAL INSPEC7ION.
ES-3-ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE
PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING.
ES-4.A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN
SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. GENERAL SLOPE (3: OR LESS) PER ACRE
ES-5.-PRIOR TO COMMENCING LAND DISTURBING ACT11477ES IN AREAS TOTAL LBS
I I
FINAL GRADE FOR A PERIOD OF MORE THAN 30 DAYS. TO REDUCE DAMAGE FROM
I I
OTHER THAN INDICATED ON THESE PLANS (INCLUDING BUT NOT KENTUCKY 31 FESCUE 128 LBS.
SEDIMENT AND RUNOFF TO DOWNSTREAM OR OFF -SITE AREAS, AND TO PROVIDE
LIMITED TO, OFF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR RED TOP GRASS 2 LBS.
PROTECTION TO BARE SOILS EXPOSED DURING CONSTRUCTION UN77L PERMANENT
; ;
SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE SEASONAL NURSE CROP 20 LBS.
VEGETA77ON OR OTHER EROSION CONTROL MEASURES CAN BE ESTABLISHED.
I I
OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING
AUTHORITY. SEASONAL NURSE CROP 150 LBS
1 1
332 PERMANENT STABILIZATION:
ES-6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLA77ON OF ANY
THE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DIS77JRBED AREAS BY
____ __________ __ ______ __ ___ _________ __ _
ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT FEBRUARY 1s THROUGH APRIL ANNUAL RYE
PLANTING SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM
`-- ---
EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN MAY 1 THROUGH AUGUST 15 FOXTAIL MILLET
DISTURBED AREAS TO PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT
APPROVING AUTHORITY. AUGUST 16 THROUGH OCTOBER ANNUAL RYE
IS ECONOMICAL, ADAPTABLE TO SITE CONDITIONS, AND ALLOWS SELEC770N OF THE
♦ TOE OF FILL
ES-7.•ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT NOVEMBER THROUGH FEBRUARY 15 WINTER RYE
MOST APPROPRIATE PLANT MATERIALS. TO IMPROVE WILDLIFE HABITAT. TO ENHANCE
CONTROL MEASURES AT ALL 77MES DURING LAND DISTURBING NOTES:
NATURAL BEAUTY. UPON COMPLETION OF CONSTRUCTION ACTIVITIES, ALL AREAS WILL
ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL
RECEIVE A PERMANENT VEGETATIVE COVER.
SILT FENCE
"DISTANCE IS s' MINIMUM IF ROW
STABILIZATION IS ACHIEVED. 1. LIME AND FERTILIZER NEEDS SHALL BE DETERMINED BY SOIL
IS TOWARD EMBANKMENT
ES-8:DURING DEW47ERING OPERATIONS, WATER WILL BE PUMPED INTO AN TESTS AND APPLIED IN ACCORDANCE WITH VESCH STD. 3.32.
338 TREE PRESERVATION AND PR07ECT70N.'
L
APPROVED WATER FILTERING DEVICE.
PROTECTION OF DESIRABLE TREES FROM MECHANICAL OR OTHER INJURY DURING LAND
rLow
ES-9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES 2. SEEDINGS TO BE MULCHED IMMEDIATELY UPON COMPLETION
DISTURBING AND CONSTRUCTION ACTIVITY. TO ENSURE THE SURVIVAL OF DESIRABLE
PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL of SEED APPLICATION, IN ACCORDANCE W/ VESCH STD 3.35.
TREES WHERE THEY WILL BE EFFECTIVE FOR EROSION AND SEDIMENT CONTROL,
* �'
EVENT ANY NECESSARY REPAIRS OR CLEANUP TO MAIN THE
EVENT.
WA TERSHED PROTECTION, LANDSCAPE BEAU77F/CA TION, DUST AND POLLU7TON CONTROL,
NOISE REDUCTION, SHADE AND OTHER ENVIRONMENTAL BENEFITS WHILE THE LAND /S
OPTIONAL STONE COMBINATION
B
EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE PERMANENT SEEDING SCHEDULE
PS
IMMEDIATELY.
BEING CONVERTED FROM FOREST TO URBAN -TYPE USES. APPLIES IN TREE -INHABITED
NO SCALE
AREAS SUBJECT TO LAND DISTURBING ACTIVITIES.
(STD. & SPEC. 3.32 OF VIRGINIA EROSION &
339 DUST CONTROL:
o' s•
SEDIMENT CONTROL HANDBOOK, 3RD ED.)
REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING,
A A
DEMOL17ION AND CONSTRUCTION ACTIVITIES. TO PREVENT SURFACE AND AIR MOVEMENT
OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE
SUBSTANCES WHICH MAY PRESENT HEALTH HAZARDS, TRAFFIC SAFETY PROBLEMS OR Source: Va. DSWC
HARM ANIMAL OR PLANT LIFE DUST CONTROL MEASURES SHALL BE EMPLOYED TO FLOW AMPREVENT SURFACE AND AIR MOVEMENT OF DUST DURING CONSTRUCTION. MEASURES -zs
LIEN
EMPLOYED SHALL BE IN ACCORDANCE K17H THE VESCH.
/ `-CLSS I RIPRAP
��VDOT /3, #357 OR #5 COARSE AGGREGATE
TO REPLACE SILT FENCE IN " HORSESHOE " WHEN
HIGH VELOCITY OF FLOW IS EXPECTED
CURR INLET
CONCRETE
BLOCK
WIRE SCREEN OR j5 GRAVEL• FILTER
COARSE AGGREGATE
BLOCK & GRAVEL CURB INLET
IP SEDIMENT FILTER 3.07-8
NO SCALE
1. SET POSTS AND EXCAVATE A 4 X4
TRENCH UPSLOPE ALONG THE LINE
OF POSTS.
FLOW
2. STAPLE WIRE FENCING TO
THE POSTS.
STONE 70' MIN.
CONSTRUCTION
ACCESS
3" SM-2A ASPHALT TOP
COURSE EXISTING
2% 2% PAVEMENT
6" MIN. 21A AGGREGATE BASE
PROFILE
STONE 70' MIN.
CONSTRUCTION ASPHALT PAVED
ACCESS A WASHRACK
EXISTING `I
2% 2% PAVEMENT)
Is I I
2% 12' MIN.*
'MUST EXTEND FULL WIDTH o `POSITIVE DRAINAGE
OF INGRESS AND EGRESS I TO SEDIMENT
OPERATION 1 TRAPPING DEVICE
PLAN
12' MIN. POSITIVE DRAINAGE
2% TO SEDIMENT
TRAPPIN DEVICE G D E
FILTER CLOTH
SECTION A -A
A nti mnuni water tap of 1 inch must be installed with a mummun 1 inch ballcock
5'
shutoff vah a .'l1 n1 a wash hose with a diameter of 1._ inches for adequate
PPh ? I
constant pressure. Wash water must be carried away from the entrance to an
approved settling area to remove sediment. All sediment shall be prevented h on1
enteli a 401111 (rails, ditches 01 watercourses.
PAVED WASH RACK
NO SCALE
TABLE 3.39-A
ADHESIVES USED FOR DUST CONTROL
Water
Application
Dilution
Type of
Rate
Adhesive
� Adhesive: Water)
Nozzle Gallo ns/Acre
Anionic
Asphalt Emulsion
7:1
Coarse Spray
1,200
Latex Emulsion
12.5:1
Fine Spray
235
Resin in Water
4:1
Fine Spray
300
Acrylic Emulsion
(Non -Traffic)
7:1
Coarse Spray
4�O
Acrylic Emulsion
(Traffic)
35:1
Coarse Spray
3�O
Source: Va. DSWC
J. ATTACH THE FILTER FABRIC TO
THE WIRE FENCE AND EXTEND
IT INTO THE TRENCH.
SUPER SILT FENC5
(WITH WIRE -BACK
NO SCALE
4. BACKFILL AND COMPACT THE
EXCAVATED SOIL.
=11 r EXTENSION OF FABRIC AND
WIRE INTO THE TRENCH.
O5-
SCOTT/R. CiTL]
No. 35791
?� 8/24/22
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�' --- ----- --
,SO'IL TYPE-
00
SOIL TYPE _ ! / /
/ PROPOSED STOCKPILE / - i ' i' i\ I \ \
PROPOSED 18" DIVERSION
/ SURROUNDED BY SILT FENCE / `� D
PROPOSED WITH PLEASANT ' - - - - - �� / Y\ \ \/ / PROPOSED WITH PLEASANT
\ GREEN PHASE I CONSTRUCTION
GREEN PHASE I COSNSTRUCTION' DC
x `k
PS
EXISTING FENCE I > \ \\ \\ T
/ TO BE REMOVED � \ \ WITH PLEASANT\ \ \
GREEN PHASE I
2
3.25
1992 3.25
STREAM FLOW DIVERSION EMBA4RTH
TO BE EXISTING UNDISTURBED
OR NON -ERODIBLE, WATERT
�TH OF
DIVERSION CHANNEL CROSSING
DIVERSION CHANNEL CROSSING
MATERIAL
ACCEPTABLE LININGS
CONSPAN
SF
O
�
FORMER LOCATION
(CROSS SECTION A —A OF PLATE 3.25-1)
STRUCTURE
OF FLOW BARRIER
¢
SCOTT R. 1
SLT FENCE
,
1 I
Ci No. 35791
•SEE PLATE. 3.25-2
`
SLT FENCE POST POST SILT FENCE
EX. GROUND
� 8 24 22
FOR CROSS-SECTION
A -A
TYPE A DIVERSION
DIVERTED STREAM
WITH TYPE
✓'0
CHLNNNG (SEE DETAIL (LOOKING SOUTH)
�`r'SIONAEL
L ��(
POLYETHYLEN R NIL. MIN.)
3.25-2 THIS SHEET) N.T.S.
VEHICULAR STREAM
GRASS LINER
STREAM DIVERSION DETAILS DURING CONSPAN INSTALLATION
CROSSING. STD.
0 SPEC. 3.24
/ _I
(TO BE LOCATED AT
ORIGINAL STREAMBED
PLACE
E/ RIPRAP
Ai
ExISONG GROUND ?T '�' Exmiim GROUND
FOR INITNL CROSSINGS)
�✓ 7TWLSITION
CONSPAN STRUCTURE INSTALLATION NOTES:
CONSTRUCTION f 1. CONTRACTOR SHALL INSTALL AND MAINTAIN A STREAM FLOW
\ \ / / DIVERSION PER DIVERSION CHANNEL CROSSING VESCH DETAIL
\\
1 I / 3.25-1 AND 3.25-2 DURING ENTIRE CONSPAN STRUCTURE
/\ \ i CONSTRUCTION OPERATION.
2. SILT FENCE SHALL BE INSTALLED ON BOTH SIDES OF THE
/ I PROPOSED STREAM DIVERSION CHANNEL. THE CONTRACTOR SHALL
TYPE B DIVERSION INSTALL AND ADJUST SILT FENCE AS NECESSARY TO PREVENT
•A - FLOW BMPoER / SOIL FROM ENTERING THE STREAM. STREAM DIVERSION TO BE A
, sJFRAF Fil TFR c,. orr TRAPEZOIDAL DITCH WITH 2:1 SIDE SLOPES, A 5.5' DEPTH AND A
I \ / 6' WIDE CHANNEL BOTTOM. RIPRAP SHALL BE PROVIDED WITHIN o
ORIGINAL THE EXISTING STREAM BED AT THE TRANSITION FROM THE
/ \ — — — sTRrAAN- a EXISTING STREAMBED TO THE PROPOSED DIVERSION CHANNEL, v�i F '+
3' WIDE VDOT CL. Al, EC-1 STONE OUTLET - - BED EXIsnNG GROUND " �' EXISTING GROUND AND AT THE TRANSITION BACK FROM THE DIVERSION CHANNEL TO Ln J
/ X PROTECTION PROPOSED WITH PLEASANT / f j: / THE EXISTING STREAMBED. AN APPROVED FLOW BARRIER I^ -'' p N
GREEN PHASE CONSTRUCTION (SANDBAGS, PLYWOOD, JERSEY BARRIER, OR EQUIVALENT) SHALL w w m m
SAFETY FENCE & SIGNS - / BE INSTALLED BEHIND THE RIPRAP TRANSITION. THE DIVERSION z I- I- w p
SAF "WARNING QUICK SAND, KEEP / �' SHALL BE A TYPE C DIVERSION (i.e. IT SHALL HAVE A ROCK OR Z O H F
SOIL TYPE OUT" PROPOSED WITH PLEASANT SANDBAG LINER). Q LL Q
17 I GREEN PHASE I CONSTRUCTION / - - / 3. THE DIVERSION CHANNEL CROSSING MUST BE OPERATIONAL O z z � Ln
FLOW TYPE C DIVERSION BEFORE WORK IS PERFORMED IN THE STREAM (CONSTRUCTION OF U w w Q
DIVERSION SHALL BE PERFORMED "IN THE DRY"). N w m � > z
/SOIL BOUNDARY LINE (TYP.) / / / 4. UPON COMPLETION OF THE CONSPAN STRUCTURE CONSTRUCTION, (/� Lu � O w
PROPOSED BAFFLES A InvRAP FILTER CLOTH �I� O O 2
AND WITH ESC AND VDOT INSPECTORS' APPROVALS, THE z � U U w �
Rocx OR SANDBAG uNER CONTRACTOR SHALL REMOVE THE STREAM DIVERSION AND ALLOW N 0 < a a O
STREAM FLOW TO RESUME THROUGH THE EXISTING CHANNEL & ``7 7 w U
CONSPAN STRUCTURE. / w > > H w
EXISTING GROUND 'V' LAWNG GROUND 5. ONCE THE STREAM RETURNS TO ITS NATURAL ALIGNMENT AND Lu Nl
\\\ PASSES THROUGH THE CONSPAN STRUCTURE, THE CONTRACTOR a Lu
PROPOSED 1B" DIVERSION ` / /� / / SEDIMENT BASIN \ - FLOW BARRIER SHALL REMOVE THE TYPE C DIVERSION (RIPRAP OR SANDBAGS), p p p Ln
DD PROPOSED WITH PLEASANT I / i / PROPOSED WITH \� (RIPRAP. SANOBACS, ANY SEDIMENT LADEN MATERIAL LOCATED WITHIN THE TEMPORARY w w w j
GREEN PHASE ICONSTRUCTION /�" / // \ ' PLYWOOD. JERSEY w
r. / WPO 201900003 WPO 201900003 BARRIERS OR SHEET TRENCHING
DIVERSION AND THE TEMPORARY DIVERSION'S EMBANKMENT
PILING) OPERATION (INCLUSIVE OF A NON -ERODIBLE, WATERTIGHT MATERIAL IF w w w
AMENDMENT #1 LIMITS AMENDMENT #1 FORMER LOCATION PUCE RIPRAP • 6' MINIMUM OR WIDTH Of EXISTING STREAM WHICHEVER IS LESS APPLICABLE). THE CONTRACTOR SHALL REPLACE THE TEMPORARY
OF DISTURBANCE OF FLOW BARRIER AT TRANSITION DIVERSION WITH COMPACTED STRUCTURAL FILL PRIOR TO
SILT F�NCE w/ WIRE J •• ENTRENCH SILT FENCE AND FILTER CLOTH IN S/YF TRENCH
a INSTALLING THE ROAD'S EMBANKMENT.
TP TREE PROTECTION I / �� \� PERSPECTIVE VIEW �
k� I / BACKING PROPOSED -- /
SILT FENCE w/ WIRE '� �\ / PROPOSED WITH / / ' X-/ S WITH PLEASANT GREEN \
BACKING PROPOSED PLEASANT GREEN PHASE PHASE ICONSTRUCTION / i \ \
WITH PLEASANT GREEN \ / CONSTRUCTION / / / \ Sourcc: Va. DSWC Plate 3.25-1 Source: Adapted from VDOT Standard Sheets Plate 3.25-2
PHASE I CONSTRUCTION S'j� / -(� OILTYPE
v / EXISTING FENCE --
' ) (� TO BE REMOVED / CONTRACTOR SHALL INSTALL THE CONSPAN STRUCTURE / / o / / � E,
k\
'( �� `ZVBACKI PROPOSED WITH THE CONNECTOR ROAD PLAN AFTER THE O /
I - DIVERSION CHANNEL HAS BEEN INSTALLED AND IS p / g
100' WPO A �� I X �� ^ OPERATIONAL. AFTER THE PROPOSED CONSPAN, WING /
BUFFER, TYP. I I-k I f /\ i \� WALLS, AND RIPRAP HAVE BEEN INSTALLED AND THE ESC / O O
/ ` I / - I(\ INSPECTOR HAS GIVEN APPROVAL, THE DIVERSION CHANNEL / O / / 'j ' - ._ i /
LIMITS OF TREE / ` / I — — -- — —
O CLEARING ASSOCIATED ! I '1� / CAN BE REMOVED AND NORMAL FLOW CONDITIONS CAN / / o O I / / - / / - - -1� / / / w
p RESUME THROUGH THE PROPOSED CONSPAN STRUCTURE. \ f O O O O / - - - - / F 00
WITH WPO 201900003 ( I� ,I I LARGE-SCALE PHASE II GRADING OPERATIONS FOR THE C N N
\\ p AMENDMENT #1 O I I o O O� O o O CONNECTOR ROAD SHALL NOT BEGIN UNTIL THE PERIMETER \ / \ O / - - / - - / / / / / p o � Do
\ \O O p\ 0 ° I \ O /// / PROPOSED WING WALL I I 0 0 ESC MEASURES AND THE CONSPAN HAVE BOFFIN INSTALLED.
\ ^ - 0 100-YR FLOODPLAIN, TYP. 0 ` / / > -
° o o / r� /WIRE 0 ° o o / // ' —��_—
\ I 0 O 0 / �,W/ / I ACKING I O
O / Y
�) \ /WIRE ATPOSED IN-STREA14 TRANSITIONS(BEGINNING
Y O PPAP
O ` BACKING yam J I �� RR &ENDING) OF UTILITY STREAM 4\ O G \\ O O O / / O _ _ - S
PROPOSED '!� CONSPAN\�'- O p / /
-� 1 - - / _ - - / STRUCTURE yI / CROSSING DIVERSION ( �O �O O p O j 0 O O \ �/ / / / / / / - O7
/ —/1------- \ \ WO
LIMIfSOFTREE / f y�Y� /- --�
0 \
CLEARING (TYP.) //� !�� o -- - \ 84.0' \ / / / / / / o �/ /= — — — — — — —
PROPOSED WING WALL �y`1� �c \ \ / / / /p ° / / �— -J` - \ \ \ \ ��f M
PROPOSED VDOT STD. EC-1, CLASS I \ ITS OF
/ I \ \ STR AM, TYP. SOIL TYPE �/ 1 (V 7
SOILTYPE l \ \ 7 \ \ �� _ _ \ / L
RIPRAP WITH A TYPE B INSTALLATION TO ` / / /
\ 17 \ \ BE INSTALLED BETWEEN THE PROPOSED RR \\ \ \ \ 17 I - 1-(n�I - -
\\ �- \ WING WALLS FOR INLET PROTECTION /� �\ \ \ \ / //� p\\ I // %�„//// // ----\\ \\ \ / //
\ / PROPOSED VDOT STD. EC-1, \ \ \ / /° \ O \%a / / - \ \ \ \ I � Q Z
RR CLASS I RIPRAP WITH ATYPE W \ J
/WIRE \ \ 3 m� - \ \
O
3
S � / \ I
BpCKING / B INSTALLATION TO SERVE9//,��
L I 690.0' J AS OUTLET PROTECTION \ \ \ \ / / / j \ \ I / / '� g / / \- - - \ \ \ \ \ Q
\ o I \ ICI \/\ / / L-60' w=6o' D=2') \ \ O \ \ /� \ \ o I / /m / / \ \ \ \ \ _ � J
\� la-
0 \ \ J I \ \ LIMITS OF \ _ -- (- \ \ \\ _ \
° O \ \ STREAM, TYP. \ ___� - T TREE PROTECTION \ \ \ (� / / erg- S'� / \ \ \ \ 1 I I f (n / // / / / / \ \ \ \ \ \ \ * \ I ; '.. _ - \ N
WPO 201900027 LIMITS OF / \ \ \ \ \ \ \ ` \ / CV J
o / // v'Lf \ \ // \ DISTURBANCE //Lil
O
PROPOSED FLOW BARRIER O \ / / �)/ I LIMITS OF TREE\\ \ \
\ \ \ \ O \ \ \ \ \(SANDBAG-S,PAL' OOD, JERSEY �� \ \ O O �g \ O O�%/ / I I I CLEARING (TYP.) I �- \ \ \ \ \ -
V A O 0 O OA O 4v I / L, y A 7
\ \\-BARRS, OR EQUIVALENT) "\ I \ ) O O \ \\6gz2 O / / V'\ I I I I I//n I / / I I I \ �c SOILTYP \ \ - w L
/ / \ I PROPOSED IIONS ( RIPRAP 0 \ �/ ' / I / f I ' TR E \ / 37D3 \w/ WIRE\ \ \ ' " \ J
AT TRANSITIONS (BE INNING USC \ / / I SILT FENCE w/ WIRE BACKING0 PROPOSED WITH PLEASANT GREEN \ / \\ o 9� // / / / \\ / I I / I \ / \ \ S \ T J O
/ A \ & ENDING) OF UTILI STREAM A / O A° A _ - - //� r� I / I / // I / I I ROT CT� / /) A- BAZS I Q U
\ \ \ CROSSING DIVERSION - O \ PHASE I CONSTRUCTION / / - _ / / / / / // / I\ I r �. \ \ \ I > O
�� _ // �/ // v I� �� // /-- �v v ��� LLI � �--° PROPOSED ALIGNMENT OF � _ i' _ / / / / � \ I
\ STREAM DIVERSION WHILE \ \ - - - '� °� / / / / '.fie.
V I S I I A \ \ V Art
CONSPAN I INSTALLED. SEE - - - - ' - - I / / / / / / / / I / / \ v \ I v -
\ I I AVIAVArl
I \ DETAILS &NOTES ON THIS \-/ / _�/ / / WPO 201900603 / / / / I \
liftSEfi I ' t / / / / I II I / l /l �// / TS ,�\ \ I --\
► ' I ' AMENDMENT #1 LIMITS / / / V A I v 2
/ f v � � / / / / / / V � / - or
v V \ V I I \ PR40TEC-FIONTP /\ / / OF ISTURBAN E I �� /�� /� / (n / / I / I / A V I I 6 �/ I -I
\ \ \ \ \ \ \ \ i \ / / / l I / /--�`- I I -1 � Q
---\ - / / / I I �/ \ \\I I O /
\ \ \ \ \ \ 37
10,
\ UTILITY STREAM DIVERSION NOTE: SOILTYPE - - - - fly \ / I I I W LU
\ \ \ t \ \ \ CONTRACTOR SHALL REMOVE PROPOSED - - Cyl / / SILT F NC� w/ WIRE / I I 1c / / I Q C) z
FLOW BARRIER & STREAM DIVERSION ONLY / / _ - - - _ STl �Cyl / BACKIItFr`��G P(20PIOSED / I I\ I I I� I ' /c/ / / SOIL TYPE \ \ I I 7
AFTER THE CONSPAN STRUCTURE �/' ' - - _ - - - C C / 5 WITH P(I(EASNN,NT GREEN / / I I / / / 258 Y L
INSTALLATION HAS BEEN COMPLETED, AND 6°F0 - �- - �S>• - _�Cyl PHASE IICONSTRUCTION / / _ - �- - - \ \ O
THE ESC INSPECTOR GRANTS APPROVAL. I / -- _-_ �� \ + _ _ / / �C�CyI / / / / / \ Lu
Jo / I �l1 —
v F
01 1� I ul
eO \ '/ // CRS ♦ \ go on TP EE �// / I l / I I l / l / / AREA TO BE CUT AND USED I— w O
o % — — ' w/ 1 E I/ / / / / AS FILL FOR THE CONNECTOR / w
^ \ \ ` — BA ♦ \ _ \ PRO EcnoN \ // / / / //' / I ,/ / ROAD CONSTRUCTION. rn
PROPOSED LIMITS OF DISTURBANCE EXPANSION `i o / - w//MIRE // / _ / / / / / / w V W
/ / / \ BACKIN / / / j ` / / / / / EXISTING STRUCTURES AND 6Of
ASSOCIATED WITH THIS PLAN. TOTAL AREA=1.99 SIC. / o // / / \� \ / / / G \ \ / / / / / / 7 DRIVEWAY 0 BE REMOVED.
v v v / m / / I -- �- I --I
/ /
V� 0°ESC AS ISJ#� / v //// / I, C> / ` / / / / �Lu
O 'j E/ �ij / / O W LOCATION OF PORTA-POTTIES W V /
\ \ \ \ \ \ \ \ \ \ \\ - - - - / / / �/ /LOCATION OF DOUBLE -WALLED FUELING TANK RCy / Q
<\ \\ \ \ �\ \ \ \ \`mot_ \ IL BOUNDARY LINE (�) / // / / /� \ CIP / LOCATION OF 15cy DUMPSTER + - MARD ORS / / / / I� \ / CONC. WA UT A%R / /
PROPOSED CONC. WASHOUT AREA - - - VF �L \ / / I I I `_CC\ I \ / / / N W a
PROPOSED CL. AI RTRAP OUTkALL
SOI�TKm / — - / / \ (W1=3', W2=7', L-6', D=2') / / I \ r��IT�� J
\��� OPOSED 1 CE PROPOSED 12'x70' MINIMU PAVED - - i I $ �� \ I \ / / / - -/� \ V
�m
CONSTR CTION ENTRAIN 1TH WASHRACK. i/ M / \ \ \_���'a a� O / / O
STAGING AREA - / ) \ �-� 71' �: / / / O
1
PROPOSED TEMPORARY CULVERT / v \ s �(. '/
INV. IN=705.0, INV. OUT=7o04.0 / / f / / `- \ P.
12" CMP, L=16', S=6.26 /o
(/
41
EXISTING FIRE HYDRANT
/ / F
U
/ w ~
/ / / EXISTING FIRE HYDRANT \ W/ I -Z \ \ p w
Of
CL Ln
100
JOB NO.
/ \ / // / ) \ \ - 41/ , I I /EN TRANCE WITH W STHRACK. CE W/<<�FFR 182154
GRAPHIC SCAL / I � <
0 20 40 Bo \ 460 SCALE
7 / \
4 1"=40'
SHEET NO.
( IN FEET)
5-01 A 9) 1 a 140 1 a I
TYPICAL ORIENTATION OF
Im'' if . HIN law TREA TMENT I
1111,pi 011, 1
�' r .���5��� Via% 0(SOIL STABILIZATION BLANKET)@
gm
SHALLOW
ON SHAL SLOPES, STRIPS OF
NETTING PROTECTIVE COVERINGS
MAY BE APPLIED ACR05S
�� O•�,,
THE SLOPE.
BERM
WHERE THERE IS A BERM AT THE TOP OF THE SLOPE.
BRING THE MATERIAL OVER THE BERM AND ANCHOR IT
BEHIND THE BERM.
41 ft-11
STEEP
SLOPE
ON STEEP SLOPES, APPLY
PROTECTIVE COVERING PARALLEL
TO THE DIRECTION OF FLOW
AND ANCHOR SECURELY.
SAFETY FENCE & SIGNS
------------
EWE SAF "WARNING QUICK SAND, KEEP
ONEWE
120 R��l OUT" PROPOSED WITH PLEASANT
GREEN PHASE I CONSTRUCTION
PROPOSED BAFFLES 4"
BRING MATERIAL DOWN TO A LEVEL AREA BEFORE
TERMINATING THE INSTALLATION. TURN THE END
UNDER 4? AND STAPLE AT It INTERVALS.
12"
f5. X
112.,urd wd F 2
"i " din FLOW
IN �,Mmffk
�jjwgj MEN, SEDIMENT
P - 7, mill BASIN DITCH
SILT FNCE w/ WIRE dry storage: bottom of trap elevation (ft) 692.5
&
SILT FENCE w/ WIRE ACKIN PROPOSED dry storage required (cy) (67*DA) 73.7 bottom trap dimensions: 24!x-r
WITH PLE�SANT GREEN crest of stone weir 6970 top of dam elevation (ft) 698
BACKING PROPOSED HA Co
WITH PLEASANT GREENSF CONSTRUCTION PHASE I CO STRUCTION dry storage provided at this elevation (cy) 1557 top width of dam (ft) 19
PHASE I CONSTRUCTION slope of dry storaqe sides 3-1 to trap dimensions 103!x43
WIRE 7
100,
(D
WPO 0 (D
BUFFER, TYP. .13
0
LIMITS OF/TREE 100-YR FLOOPPLAIN, TYP.z z j w 174 174 174 174
o 0 CLEARING ASSOCIATED �O 0 (D 8 0 0
00
WITH WPO 201900003 @ 4 CD r4 r4
AMENDMENT #1 C, a a @ a
00
G 100-YR FLOODPLAIN, TYP.
U 0
0 (D
G E
0
G
e (D BACKING
G /N/CNIRE 11 1 1 : I / / 11 - - - - GF_ L9
a BACKING a
\0
z 01I
13A K
LIMITS OF TREE
-
CLEARING (TYP.)
U S - - - - -
S
PROPOSED VDOT STD. EC-1, CLASS.
LEITS OF
RIPRAP WITH A TYPE B INSTALLATIONI-
STRTAM, TYP. z
BE INSTALLED BETWEEN THE PROPOSED
WING WALLS FOR INLET PROTECTION
PROPOSED VDOT STD. EC I
CLASS I RIPRAP WITH A e a LL
a B INSTALLATION TO SE C�
AS OUTLET PROTECTION
LIMITS OF (L=60', W=60', D=2')
TREE PROTECTION
a STREAM, TYP.
CONTRACTOR SHALL INSTALL SIR. C14 (STORM SEWER MH) WITH SEGMENTAL RINGS. A TEMPORARY RING SHALL BE INSTALLED DURING CII
CONSTRUCTION TO OUTLET THE TEMPORARY ESC 15" CMP INTO ST #1 (181.8 LF @ 0.50%, II=694.00', I0=693.08'). DURING CONSTRUCTION
WPO 2019 0027 LIMITS OF 0
THE LOWER, PERMANENT OUTFALL SHALL BE BLOCKED WATERTIGHT TO ENSURE RUNOFF ENTERS ST #1 & IS NOT DISCHARGED INTO THE DISTURBANCE < >
ONCE THE STORM SEWER'S SUBAREA IS STABILIZED &THE ESC INSPECTOR GRANTS PERMISSION, THE CONTRACTOR CAN REMOVE It
THE TEMP. 15" ESC PIPE, MH RING(s) & THE LOWER BLOCKAGE TO ALLOW STR. C14 TO DISCHARGE INTO THE STREAM. 4
LIMITS -702 >
e CLEARING (ITIR
J11A
G 0
0
V1 Ld
'7_ SILT FENCE w/ WIRE BACKING JSb TRf E W/ WIRE\ _j <
PROPOSED WITH PLEASANT GREEN OT�C
PHASE I CONSTRUCTION > 0
U)�vv
ck�
LLI
a 0LU
W
<\ PO 2 9000/03 L9 0 0
AMENDMENT #1 LIMITS
OF ISTURBANCE
W PROTECTION J;
U LLJ
<
T_
X�
UTILITY STREAM DIVERSION NOTE: LU V)
CONTRACTOR SHALL REMOVE PROPOSED SILT F� C /WME
00 ESC PHASE 11 ST #1 1 / 7`1 C—) ef
FLOW BARRIER & STREAM DIVERSION ONLY SUBAREA=1.10ac. CS)F BI PkOPbSED, 1.
AFTER THE CONSPAN STRUCTURE -S/ L
INSTALLATION HAS BEEN COMPLETED, AND INI UKC N PHASE I)CONSTRUCTI 66
100- R FLOODPLAIN THE ESC INSPECTOR GRANTS APPROVAL. w 0
0 0-
0- 0
WIRE
ACKIN� Lr)
Ul U)
01 LU 0
AREA TO BE CUT AND USED LU
TREE cl�
0 PROTECTION7' AS FILL FOR THE CONNECTOR LU
r LU
'MRE ROAD CONSTRUCTION. LLI rn
PROPOSED LIMITS OF DISTURBANCE7 w/ '7:1 �1/ EXISTING STRUCTURES [If
EXPANSION BACKING,,\, z F-4
ASSOCIATED F-I
DRIVEWAY TO BE REMOVED.
ED WITH THIS PLAN. TOTAL AREA=1.99 ac. 0
7'
C
z Ur)
- 0-- - - - J,
x�- " LOCATION OF PORTAA"Iwk I)tk < LU
LOCATION OF DOUBLE -WALLED FUELING TANK UPC, PROPOSED 16' LU U) Ln
< LOCATION OF 15cy DUMPSTER L-) ADpl wNI_. WA�Nyu I R < <
PROPOSED 0— CONC. WASHOUT AREA
LU m
<
CE PROPOSED
POSI- 12'x �NIMURJPAVED
S UU14 OR CONSTRTION ENTRANCE ITH WASHRACK. CD
- - O
TAGING AREA gfT l l CD
IS00
\ / I / / / \ \ X n \ \ _ /
STING FIRE
HYORANT`
EXISTING FIRE HYDRANT 0
NO Ln
/PROPOSED 12'x7O' MINIMUM JOB NO.
GRAPHIC PAVED CONSTRUCTION CE 182154
40 20 40 w\ / / i ,�. / / ENTRANCE WITH WASHRACK. SCALE
91
=40'
/ / / / \ - \ SHEET NO.
=_-4\0 5
IN FEET
PRE -DEVELOPMENT SWM PLAN:
SCALE 1 "=50'
100, WPO
/
BUF Eg, �1IP. /
o I � �
� / 0• ° 0° O O
PROPOSEDI ESC LIMITS OF LAND DI\TURBANCE
ASSOCIATED WITH THIS PLAN (1.99 c.) NOT PREVIOUSLY
COVERED UNDER A SEPARATE PERMI . THIS ESC LIMITS
OF DISTURBANCE BOUNDARY IS USED TO DEFINE THE
BOUNDARY FOR WATER QUALITY, TYPICAL.
LOCATION OF PROPOSED
CONCENTRATED OUTFALL
\
\ \\ STREAMS TYP.
-J S BAREA-A-
-Je=0.�s hrs.
I - ;10o�
\ \ / 00OF QVERLAM tLOW
14 of cQN(�-Ft.-ow w
/
--J7Al
Pre -Development Impervious Area Summary
DA A (Water Quantity) \ I
Existing Impervious Areas 0 sf \
am
I
� I
o J
O I
o ° /
n
n
/ o
\ o
l \ \ LIMITS OF I o
\ \\ STREAM, TYP. I °o
\ ` 1
\ \ o
\ I \ \ o
rot /
POST -DEVELOPMENT SWM PLAN:
SCALE 1 "=50'
I
i
LI _
P INT OF ANALYSIS / / BUFFER
ER T4P. /
CATION IN POWELLS ( 0, WPO
100-YEAR FLOODPLAIN,iTYP. /
�dCREEK WHERE MANMADE
RIPRAP IMPROVEMENTS /
ARE PROPOSED)
•� O O° \ O° O O/ \ O O
0
0 0 \
PROPOSEDI ESC LIMITS OF LAND DI\TURBANCE ° ' ASSOCIATE WITH THIS PLAN (1.99 c.) NOT PREVIOUSLY
COVERED UNDER A SEPARATE FERMI . THIS ESC LIMITS
\ \ OF DISTURBANCE BOUNDARY IS USED TO DEFINE THE
\ \ \ \VE RM BOUNDARY FOR WATER QUALITY, TYPICAL.
v vv I II
POST-DEV.
° SUBAREA A
BAREAA
\ \ I
- \ Tc-0 10 hrs.
-----------------------------
V / /
opt \ \ \ s
C�
(
) 30' OF OVERLAND F OW w/ A ELEV.=2',
10' 0 NC. FLOW w/ G -LEV.< 1' &-
275' OF CHA N TTER & PIPES _
Post -Development Impervious Area Summary
DA A (Water Quantity) \ \
Existing Orchard Drive (Outside this Plan's VRRM Boundary) 1,875 sf
Proposed Sidewalk (Within this Plan's VRRM Boundary) 9,225 sf /
/ I
Proposed Sidewalk (Outside this Plan's VRRM Boundary) 1,225 sf /
Approved Sidewalk (Outside this Plan's VRRM Boundary) 1,100 sf /
Proposed Roadway (Within this Plan's VRRM Boundary) 12,250 sf
Proposed Roadway (Outside this Plan's VRRM Boundary) 1,225 sf
Approved Roadway (Outside this Plan's VRRM Boundary) 5,025 sf
31,925 sf
c COUNTY OF ALBEMARLE
Professional
WATERSHED SUMMARY
M
Department of Community Development
STORMWATER MANAGEMENT NARRATIVE:
Area,
1-year Flow,
2-year Flow, 10-year Flow,
� •*�'
Construction Record Drawings (As -built) for VSMP
CN
ac.
cfs
cfs cfs
OVERVIEW:
THE PROPOSED STORMWATER MANAGEMENT PLAN COMPLIES WITH PART IIB SWIM
DA A (Pre-Dev.)
55 0.92
0.17
0.33 1.73
REQUIREMENTS. ADDITIONALLY, THE CHANNEL & FLOOD PROTECTION REQUIREMENTS FOR
The following is a list of information required on construction record drawings for
DA A Post Dev.
( )
90 0.92
3.05
3.92 6.53
THIS PROJECT ARE MET. PLEASE SEE THE ATTACHED STORMWATER MANAGEMENT
CALCULATIONS PACKET FOR ADDITIONAL DETAILS PERTAINING TO THIS PLAN'S WATER
stormwater facilities (reference Water Protection Ordinance 17-422). It is preferable that the
QUALITY AND QUANTITY COMPLIANCE.
construction record drawingbe prepared b someone other than the designer. Please do not
P P Y g
WATER QUALITY SUMMARY
THIS PROPOSED PLAN REQUIRES A TOTAL PHOSPHOROUS REMOVAL RATE OF 0.92 Ibs r.
Q
provide design drawings as construction record drawings.
General Construction
notes for Stormwater Mana ement Plans
THE STORMWATER QUALITY REQUIREMENTS FOR THIS PLAN ARE MET WITH THE PLEASANT
Q Q S
Post -Development VRRM Impervious Area Summary
1. All dams
and constructed fill to be within 95% of maximum dry
GREEN DEVELOPMENT. THE PHOSPHOROUS REMOVAL RATES PROVIDED IN THE PHASE I
A. A slB ned and dated
P PanBB Y-
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:
l Inspection Records and photographs for i trenches and bedding, including underdrains.
pee c P Brae pipe g, g drams
be approved by a g otechnical engineer. A geotechnical engineer is PHASES II & III PLAN (WPO 202000053) EXCEED THE OVERALL MINIMUM REQUIRED
to be present during construction of dams.
PHOSPHOROUS REMOVAL RATE FOR ALL OF PLEASANT GREEN. THIS SURPLUS IN
PORTION OF THE PLEASANT
PHOSPHOROUS REMOVAL CREDIT IS APPLIED TO THIS PLAN 2. Pipe and riser joints are to be watertight within Stormwater /
management facilities. GREEN DEVELOPMENT. PLEASE SEE THE 'PLEASANT GREEN WATER QUALITY MASTER PLAN'
3. For temporary sediment traps or basins which are to be converted SUMMARY SHOWN ON THIS SHEET FOR DETAILS. ADDITIONAL CALCULATIONS ARE
I t t t t f :I;,: t PROVIDED WITH THIS PLAN' SWM PACKET
25150 sf o permanen s ormwa er managemen ac++ +es, convers+on +s no
s
2.
Video Pipe Inspection for any pipes which are not accessible or viewable.
, to take place until the site is stabilized, and permission has been
3.
Updated Location with o-coordinates of all facilities.
P Be
obtained from the County erosion control inspector.
PLEASE NOTE, THE PROPOSED IMPACTS ASSOCIATED WITH THIS PLAN TO AN
EXISTING/RECORDED OFFSITE SWIM FOREST & OPEN SPACE EASEMENT WERE MITIGATED
4.
Verified Drainage Area maps for the drainage area treated, and for drainage to the facilities.
UNDER A SEPARATE APPROVED PLAN (WPO 201600069 AMENDMENT #2).
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 r design. Corrections may be required
PO Y- Y PO per B Y eq
PLEASANT GREEN WATER QUALITY MASTER PLAN
WATER QUANTITY SUMMARY
THE PROPOSED PLAN CREATES ONE CONCENTRATED OUTFACE. THIS OUTFACE IS DIRECTED
for alterations from the design.
SUMMARY OF PHOSPHOROUS REMOVAL RATE REQUIRED
INTO A ROBUST MANMADE RIPRAP LINED OUTLET PROTECTION INSTALLED IN THE BED OF
6.
Plants, location and type.
Total Phosphorous Removal Rate Required for Proposed Pleasant Green Phases I, 11, III and the Connector Road
24.67 Ibs/yr
POWELLS CREEK.
7.
Plans and profiles for all culverts, Pipes, Risers, Weirs and Drainage Structures - Display the
(See this plan's report & the WPO 202000053 forthe Overall Pleasant Green Water Quality Analysis)
THE PROPOSED STORM SEWER AND THE RIPRAP LINED OUTFALL PROTECTION ARE
installed type of drainage structures. culventpipe size, weirs, materials, inlets or end treatment(s),
DESIGNED FOR THE 10-YEAR DESIGN STORM. THE STORM SEWER AND RIPRAP CONVEY THE
inlet and outlet protection, alignment and invert elevations compared to design.
NOTE: A Phosphorous Removal Rate of 0.271bs r was Provided B Others for the Connector Road's Impacts to a SWM Forest & Open Space Esmt. This
P /Y (Y ) p p p
10-YEAR AND 2-YR 24-HOUR POST -DEVELOPMENT STORM EVENTS WITHOUT CAUSING
EROSION OF THE SYSTEM. BECAUSE OF THIS, CHANNEL PROTECTION COMPLIANCE IS MET
0.27 Ibs/yr credit is independent of the Pleasant Green development and is not used in this table's compuations. See WPO 201600069 Amendment #1 for
8.
Computations: For significant deviations from design, sealed computations verifying that
FOR THE PROJECT VIA 9 VAC 25-870-66, SECTION B.l.a. THE LIMITS OF ANALYSIS FOR
provide
the as -built condition is equivalent or better than design.
additional details.
CHANNEL PROTECTION IS SET BY SECTION BA.a, OR WHEN THE SITE'S CONTRIBUTING
DRAINAGE AREA (SUBAREA A) IS LESS THAN OR EQUAL TO 1.0% OF THE TOTAL WATERSHED
9.
Ditch Lines - Display the constructed location of all ditch lines and channels, including typical
SUMMARY OF PHOSPHOROUS REMOVAL RATE PROVIDED
AREA TO THE RIPRAP LINED BED OF POWELLS CREEK (3.18 SQUARE MILES).
sections and linings.
Approved Phase I (WPO 201900003) Phosphorous Removal Rate Achieved from Nutrient Credits
6.97 Ibs/yr
THE PROPOSED STORM SEWER OUTFALLS DIRECTLY INTO THE RIPRAP LINED OUTLET
10 E se ments - Show all platted easements with dead book references la ed Facilities and drainage
Approved Phase I Borrow Area (WPO 201900027 & WPO 201900027 Amendment #1) Phosphorous Removal Rate Achieved from Nutrient Credits
0.18 Ibs/yr
PROTECTION, AS DESCRIBED ABOVE. THIS RIPRAP LINED OUTLET PROTECTION IS
must be within platted easements. Provide copies of recorded documents.
Proposed Phosphorous Removal Rate Achieved from Phases II & III (WPO 202000053) Level II Wet Pond Outfallingto Conservation Area (Subarea B)
7.59 Ibs/yr
PROPOSED TO BE INSTALLED IN THE BED OF POWELL's CREEK. THE STORM SEWER
11.
Guardrail, fences or other safety provisions - Display the constructed location of all safer
P P Y Y
Proposed Phosphorous Removal Rate Achieved from Phases 11 & III (WPO 202000053) Outfall to a Vegetated Filter Strip (Subarea C)
5.07 Ibs/yr
CONFINES THE POST -DEVELOPMENT PEAK FLOW RATE FROM THE 10-YEAR 24-HOUR STORM
EVENT WITHOUT AN OVERTOPPING, AVOIDING LOCALIZED FLOODING, PRIOR TO BEING
provisions-, fences, guardrail, including the type, length and applied end treatments, compared to
Proposed Phosphorous Removal Rate Achieved from Phases 11 & 111 WPO 202000053 Outfall to a Vegetated Filter Strip Subarea D
p p ( ) g P ( )
3.06 Ibs r
/Y
RELEASED INTO POWELLS CREEK. BECAUSE OF THIS, FLOOD PROTECTION COMPLIANCE IS
design.
Approved Phase I (WPO 201900003) Phosphorous Removal Rate Achieved from the Level II Bioretention Basin (Subarea E)
1.42 Ibs/yr
MET FOR THIS PROJECT VIA 9 VAC 25-870-66, SECTION C.2.a. THE LIMITS OF ANALYSIS FOR
12.
B
Material layers - bioftlter media, stone layers, sand layers, keyways and cores must be verified as to
Proposed Phosphorous Removal Rate Achieved from Phases I I & 111 (WPO 202000053) SWIM Forest & Open Space Easement
1.59 Ibs/yr
FLOOD PROTECTION IS SET BY SECTION C.3.c, OR WHEN THE STORMWATER CONVEYANCE
SYSTEM ENTERS A MAPPED FLOODPLAIN.
material types and depths. Include inspection reports, boring or test pit reports and materials
Biofilter be
Total Phosphorous Removal Rate Provided
25.88 Ibs/yr
PLEASE SEE THE ATTACHED STORMWATER MANAGEMENT CALCULATIONS PACKET FOR
certifications. media must an approved state mix.
T t IPh h R I t P 'd d0 't
1873 Ib/
ADDITIONAL DETAILS.
o a osp orous emova a e rov+ a ns+ e s yr
13. Access roads - show location of access roads, surface treatment, drainage, etc, as applicable. Percentage of the Required Phosphorous Removal Rate Treated Onsite (18.73 / 24.67 x 100) 76 %
14. Compaction reports are required to verify fill compaction in dams.
t5. Manufacturers certifications for proprietary BMP's certifying proper installation and functioning.
EXCERPT FROM APPROVED SUB 201600238 SHEET 1 WITH THIS PLAN's LIMITS OF DISTURBANCE OVERLAID:
I LE 1 "=100'
p
h
4 /
D' k
�$$ 4�V
p "� P�^0
THE PLEASANT GREEN DEVELOPMENT J�
IMPACTS A SWIM FOREST & OPEN SPACE J
AREA PRESERVED UNDER AN EASEMENT^•
RECORDED IN SUB 201600238. THE
IMPACTED AREA IS HATCHED BELOW.
THE RESULTANT LOSS IN WATER QUALITY
CREDITS WAS MITIGATED IN WPO `Ory
201600069 AMENDMENT #2. SEE THAT 0
s 2
1
PLAN FOR ADDITIONAL DETAILS. S18.02'55-'
02
�.3
S11'35'S0 E 288.42' �.�--
ya
,Qb
v N
7 83�
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8/24/22��
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JOB NO.
182154
SCALE
AS SHOWN
SHEET NO.
6 i
PROPOSED MANMADE CONCRETE DAM REMOVAL DETAIL:
SCALE 1 "=50'
lrJ /
00000
00
BUFFER, TYP.
COUNTY DEFILED PRESERVED
_§TEEP LOPES TO REMAIN (TYP.)
i
752
pUtOTfF,R-T1(LIMITS,
EXISTING CONCRETE DAM PROPOSED TO BE REMOVED. GIVEN ITS
/ B( CLOSE PROITY TO THE PROPERTY LIMITS, THE CONTRACTOR SHA L
STAKE �;CbNFIRM THETWPOSED DEVELOPMENT'S PROPERTY EMITS \ ` —
/ THE EXISTING DAM PRIOR TO CONSTRUCTION. CONSTRUCTION \ \ \
/ \ \ LIMITS OF POWELLS
-ACTIVITY ASSOCIATED WITH THE DAJsI REMOVAL SHAZT}E,LIMTED TO` — —
/� THE ONSITE TAX MAP- PARCELS 56-11114 & 55C-03-A. I \ \ CREEK, TYP.
--
I ,/—TMP 55c-03-B
TMP 56-115
CONCRETE DAM REMOVAL PLAN & SEQUENCING: /
A PHASE II ENVIRONMENTAL SITE ASSESSMENT (ESA) WAS COMPLETED IN ACCORDANCE WITH MINIMUM ASTM STANDARDS. THE
PHASE II ESA INCLUDES, BUT IS NOT LIMITED TO, SAMPLING AND TESTING OF ACCUMULATED SEDIMENT BEHIND THE DAM THAT / S
EXISTS ON THE PROPERTY. THE CONTRACTOR SHALL COMPLY WITH ALL RECOMMENDATIONS OF THE PHASE II ESA PRIOR TO /
ISSUANCE OF THE FIRST BUILDING PERMIT IN PLEASANT GREEN'S PHASE II. THE CONTRACTOR SHALL ALSO REMOVE
ACCUMULATED SEDIMENT FROM BEHIND THE DAM PRIOR TO DEMOLITION OF THE DAM AND DISPOSE OF THE SEDIMENT, EITHER i /
ON SITE OR OFF SITE, IN ACCORDANCE WITH WITH THE PHASE II ESA RECOMMENDATIONS. `
THE TIMING OF THE CONCRETE DAM's REMOVAL WILL BE DETERMINED BY THE CONTRACTOR SINCE THE SCHEDULE WILL BEST BE
KNOWN BY HIM OR HER. THE CONTRACTOR SHALL INFORM THE COUNTY ESC INSPECTOR AND THE COUNTY ENGINEERING /
DEPARTMENT A MINIMUM OF 5 BUSINESS DAYS PRIOR TO COMMENCING WORK. THE INSTALLATION OF THE CONSPAN STRUCTURE
AND ITS RIPRAP PLACED IN THE STREAM BED MAY LIMIT FLASH RUNOFF FROM EXISTING THE PROPERTY DOWNSTREAM, BUT THIS /
IS NOT A PREREQUISITE TO THE DAM's REMOVAL. THE DAM's DEMOLITION SHALL OCCUR FROM THE TOP TO BOTTOM SO THAT \
IMPOUNDED WATER MAY BE RELEASED MORE SLOWLY OVER A PERIOD OF TIME AND WILL NOT OCCUR ALL AT ONCE. THE DAM's
DEMOLITION SHALL OCCUR AFTER A PERIOD OF 3 CONSECUTIVE DRY WEATHER DAYS. CONSTRUCTION EQUIPMENT & TRAFFIC D / \
SHALL REMAIN ONSITE AT ALL TIMES AND SHALL ORIGINATE FROM THE PROPOSED RAMBLING BROOK LANE ROAD CROSSING /
UNDER CONSTRUCTION. CONSTRUCTION VEHICULAR TRAFFIC SHALL ONLY TRAVERSE POWELL CREEK AT THIS PLAN's APPROVED /
CROSSING. CONSTRUCTION DEBRIS RESULTING FROM THE DEMOLITION OF THE DAM SHALL BE COLLECTED AND REMOVED FROM /
THE STREAM BUFFER. UPON THE COMPLETION OF THE DAM's DEMOLITION AND REMOVAL, THE CONTRACTOR SHALL STABILIZE
THE CHANNEL BANKS WHERE DISTURBANCES OCCURED IN ACCORDANCE WITH DETAIL 1.1 SHOWN ON THIS SHEET.
MITIGATION PLAN VICINITY MAP:
SCALEI"=100'
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P OPOSED IMPACTS (44,175sf) TO —�
1T� WPO BUFFER RESULTING FROM
THE PROPOSED DEVELOPMENT, TYP.
/
i
/ PROPOSED IMPACTS TO STREAM BUFFER:
SCALE 1 "=50'
Dim
8k- \
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\ COUNTY DEFI)VED / �^ o�
— — — \ \P. i`ESERVED STEEP -�
` SLOPESS TO REMAIN -
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�TMP 5-09-A1
/
1.1 DLO I /
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The Virginia
Stream Restoration &
Stabilization Best
Management Practices Guicl"
DETAIL 1.1: CFDAR TRFF REVETMENT
Cedar Tree
Clamp
(2/3 bank height typ.)
12' Max.
5' Min.
0
Cable
Clamp
Anchor
SECTION
End Treatment In
a Stable Area of
the Streambank
F(D�
`�
Trunk End Of
Tree Facing
Flaw ,
Stablize
Endtwith
/
Riprap
Anchor Both
'
Ends of Each
Revetment Tree
'
Into Streambank
PLAN End Treatment in
a Stable Area of
the Streambank ADAPTED FROM
MISSOURI DEPT. OF
ON RVA I C SE N T 0
TREE REVETMENTS
FOR STREAMBANK
STABILIZAT ION
BANK PROTECTION
GUIDELINES
DECEMBER 2003
VIRGINIA DEPARTMENT OF CONSERVATION RECREATION
THE SOURCE FOR DETAIL 1.1 SHOWN ABOVE, CEDAR TREE REVETMENT, WAS TAKEN FROM THE VIRGINIA STREAM RESTORATION & STABILIZATION BEST MANAGEMENT
PRACTICES GUIDE. THIS GUIDE WAS FUNDED BY DEQ THROUGH GRANT NUMBER NA17OZ2355 OF NOAA, AND THE PROJECT WAS ADMINISTERED BY DCR.
r
\\\\ \ `J PROPPED CONS STRUCTURE (NOT PAT;'A>
\OF THI PLAN) AT ROWELL CREEK CROSSINt
ITH THt PROPOSED RAMBLING BROOK LAN
__--
/ F<yTI�R PLEASA _ /
Gj / \ E PHASE,Ii �T—// / //// j , i i —
/ / /PA�.T F/TH S/PAN� / /j/ /i,.••' — / // i� — — V J ��
// % / � / \V�✓/ / / / / � ��/ �
>,<
/ // I ( / I Y / / f / STREAM BUFFER MITIGATION NOTES:
/ / `v/ / l / / / �'':�`�.': •'• \ / / ✓i � THE EXISTING STREAM BUFFER ON -SITE IS HEAVILY WOODED, 50 TRADITIONAL MITIGATION
L_ / // v
/ // / // \ ) � /I // / / /' /j/ // O \ PLANTING CAN NOT BE ACCOMPLISHED. THIS PLAN PROPOSES THE FOLLOWING MEASURES TO
WP STREA BUFFER / MITIGATE IMPACTS TO THE EXISTING STREAM BUFFER AND FILLING IN THE FLOODPLAIN:
/ 1. THE CONTACTOR SHALL REMOVE THE EXISTING CONCRETE DAM IN POWELLS CREEK, AS
/ ) I / ��/ \ SHOWN AND NOTED ON THIS SHEET. THIS PLAN PROPOSES TO REMOVE THE CONCRETE DAM
//
\\ \ / / / / ( ) / / / / THAT IMPODS S C KORTH 0 N ATER IN P WELL REE N F THE PR P ED N
I
/ U W O ( 0 CONSAT
J / / / / _ I / � / � f — � / / / / /� � / STRUCTURE). WITH THE REMOVAL OF THIS DAM, THE NATIVE STREAM FLOW PATTERNS WILL
BE RESTORED. THIS WILL HELP RESTORE THE RIPARIAN HABITAT THAT HAS BEEN ALTERED DUE
TO THE DAM CONSTRUCTION AND ALLOW AQUATIC LIFE TO TRAVEL UP AND DOWN THE STREAM
SCHEME FOR EVERY 400sf (OR 20'x20' SECTION) SHALL CONTAIN THE FOLLOWING: BED, RESTORING THE NATURAL PROCESSES CURRENTLY IMPACTED BY THE DAM. ONCE THE
�— / / DAM IS REMOVED, THE CONTACTOR SHALL STABILIZE THE STREAM BANKS THAT WERE
-— —
- — — — DISTURBED BY THE DAM's REMOVAL IN ACCORDANCE WITH THE DETAIL SHOWN ON THIS
THE WATERSIDE 50% OF THE BUFFER:
_ SHEET, OR AN EQUIVALENT METHOD ACCEPTABLE TO BOTH THE OWNER AND THE ESC
TWO (2) - 1}2 CALIPERRNATIVE CANOPY NATIVE UNDERSTORYEE OR TREESLORGEVERGREENSNATT4' OR ONE (1) NATIVE UNDERSTORY TREE AND INSPECTOR.
TWO 2 LARGE SHRUBS AT 3'-4' 2. IN CONJUNCTION WITH ITEM #1 ABOVE, THE STREAM BUFFER SHALL BE RESTORED IN AREAS
( ) ALONG POWELLS CREEK WHERE TREE COVER IS MORE SPARSE OR WHERE INVASIVE SPECIES
THREE (3) SMALL NATIVE SHRUBS OR WOODY GROUNDCOVER AT 15"-18" HAVE OVERTAKEN AREAS THE TOTAL MAXIMUM MITIGATION PLANTING AREA FOR THIS
/ / \ \ THE LANDWARD 50% OF THE BUFFER: DEVELOPMENT IS 88,350sf (EQUALTO 2x THE PROPOSED IMPACTS). MITIGATION PLANTINGS
NATIVE BARE ROOT SEEDLINGS OR WHIPS AT 1,210 STEMS/ACRE, APPROXIMATELY 6' O.C. SHALL FIRST OCCUR ONSITE IN THE STREAM BUFFER WHERE VEGETATION IS MORE SPARSE. IF
(600 MINIMUM PLANT SURVIVAL REQUIRED AFTER TWO GROWING SEASONS) OR A TOTAL PLANTING AREA OF 88,350sf CAN NOT BE LOCATED WITHIN THE SITE's STREAM
•� '/' /' / / / ^ / v CONTAINER GROWN NATIVE SEEDLING TUBES AT 700 PER ACRE, APPROXIMATELY 5' O.C. BUFFER WHERE AREAS ARE LESS VEGETATED, THEN THE CONTACTOR SHALL HIRE AN
/
EX Si7ING CON6RE\ (490 MINIMUM PLANT SURVIVAL REQUIRED AFTER TWO GROWING SEASONS) ARBORIST TO PROVIDE A REPORT DEPICTING THE PRESENCE, IF ANY, OF INVASIVE SPECIES
T DAB / / / ` C / //
/PROPOSE6T0 BFiREMOVFA — — 2 \ f �/ / % ) / / \ WITHIN THE SITE'S STREAM BUFFER. THE ARBORIST's REPORT SHALL INCLUDE A PLAN FOR THE
\ ' REMOVAL OF THE INVASISVE SPECIES AND FOR THE AREAS' REPLANTING. THE REPLANTING OF
PLANTING NOTES:
MITIGATION MAINTENANCE PLAN: 1. ALL MITIGATION PLANTINGS SHALL COMPLY WITH THE RIPARIAN BUFFERS GUIDANCE MANUAL BY CBLAD. THESE AREAS SHALL BE IN ACCORDANCE WITH THE 400sf MITIGATION PLANTING SCHEME
2. ALL MITIGATION PLANTINGS SHALL BE NATIVE TO ALBEMARLE COUNTY, VA. THE FOLLOWING ARE NATIVE TO ALBEMARLE SHOWN ON THIS SHEET. THE TOTAL MITIGATION PLANTINGS & REPLANTINGS AREAS SHALL
_GROV41NG SEASONSWINTERMONTHS.THE COUNTY AND ARE PROPOSED WITH THIS PLAN, BUT MAY BE SUBSTITUTED WITH ANOTHER NATIVE PLANT: NOT BE REQUIRED TO EXCEED 88,350sf.
EXiS IN WIDGx S I6�H ROUBLE \ \ \ \ \ \ — INSPECTION SHALLTRIGGERMAINTENANCE OP RATIONS, AS REQUIRED. MAIN ENANCE DURING
OPE ATIONSFALLMAY INCLUDE, BUT S NOT LIMITED LIQUIDAMBAR STYRACIFLUA "ROTUNDILOBA" OR "ROTUNDILOBA SWEETGUM (CANOPY TREE) 3. THE CORRECTIVE MEASURES DESCRIBED ABOVE WILL RESULT IN PLANTINGS THROUGHOUT
//I I OrK CULVERT Aj POWELL REEK / \ " �" \ — TO, TRASH REMOVAL AND ENSURING A DENSE, HEALTHY GRASS / FOREST GROUNDCOVER. MOWING & BUSH HOGGING MAY BE ALLOWED ILEX X AQUIPERNYI "DRAGON LADY" OR "DRAGON LADY" HOLLY (LARGE EVERGREEN) THE ONSITE POWELLS CREEK STREAM BUFFER AND WILL MITIGATE THE IMPACTS FROM THE
�C 9 �/ PROPOSED CONSTRUCTION.
ACER PALMATUM OR JAPANESE MAPLE UNDERSTORY TREE
OSSING WITH E ISTING CJL WG LANE I � \ WITHIN THE STREAM BUFFER AND MITIGATION AREAS FOR THE SOLE PURPOSES OF REMOVING OVERGROWN INVASIVE SPECIES AND FOR ( ) 4. A BOND SHALL BE PROVIDED PRIOR TO CONSTRUCTION ACCOUNTING FOR THE COST OF
CLEARING THE TRAIL. HOWEVER THE MOWING & BUSH HOGGING SHALL BE LIMITED TO A MAXIMUM OF FOUR TIMES A YEAR. THE MYRICA CERIFERA & CVS OR SOUTHERN WAX MYRTLE (UNDERSTORY EVERGREEN) REMOVING THE MAXIMUM 88,350sf OF INVASIVE SPECIES AND FOR PROVIDING NEW
l / // — / ✓ / �l� i( / CONTRACTOR SHALL CONDUCT THE ANNUAL INSPECTION FOLLOWING THE FIRST YEAR THE PROJECT IS COMPLETED, AND THE OWNER BUXUS SEMPERVIRENS & CVS OR AMERICAN BOXWOOD (LARGE SHRUB) MITIGATION PLANTINGS OF THE MAXIMUM 88,350sf. IN THE EVENT THE ARBORIST's REPORT
SHALL CONDUCT THE ANNUAL INSPECTIONS THEREAFTER. 3. ALL MITIGATION AREAS SHALL BE PROTECTED BY A MAINTENANCE AGREEMENT.
/ / \ IDENTIFIES LESS THAN 88,350sf OF AREA AVAILABLE FOR MITIGATION PLANTINGS /
4. DCR's RIPARIAN BUFFERS MODIFICATION & MITIGATION GUIDANCE MANUAL DEFINES A CANOPY TREE AS A TREE THAT REPLANTINGS, THEN THE AREA OF INVASIVE SPECIES REMOVAL AND MITIGATION
MITIGATION SCHEDULE: REACHES 35' IN HEIGHT OR LARGER WHEN MATURE. THE MANUAL DEFINES AN UNDERSTORY TREE AS A TREE THAT REPLANTINGS SHALL BE EQUAL TO THAT OF THE LESSER AREA DETERMINED BY THE ARBORIST
THE CONTRACTOR SHALL SCHEDULE A MEETING ONSITE WITH THE COUNTY ENGINEER AND THE OWNER PRIOR TO ANY MITIGATION
PLANTINGS TO FINALIZE THE LOCATION AND QUANTITIES. IN THIS MEETING THE CONTRACTOR SHALL PROVIDE AN APPROXIMATE DATE MATURES TO A HEIGHT OF 12' TO 35'. A LARGE SHRUB IS DEFINED AS A SHRUB THAT REACHES 10' OF HEIGHT OR DUE TO THE STATE OF THE EXISTING HEAVILY FORESTED STREAM BUFFER.
FOR THE MITIGATION PLANTINGS, WHICH SHALL OCCUR IN THE FALL OR SPRING. PLANTINGS SHALL ONLY OCCUR AFTER INITIAL UPLAND GREATER AT MATURITY, AND A SMALL SHRUB IS DEFINED AS A WOODY PLANT THAT CAN REACH UP TO 10' OF HEIGHT AT 5. THE ONSITE STREAM BUFFER's MITIGATION SHALL BE COMPLETED PRIOR TO THE FULL RELEASE
/ \ ESC MEASURES ARE IN PLACE. MITIGATION PLANTINGS SHALL BE COMPLETED PRIOR TO THE FULL RELEASE OF THE MITIGATION BOND. MATURITY. OF THE MITIGATION BOND.
SCOTT/R. CUL]
No. 35791
10
8/24/22
,
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JOB NO.
182154
AS SHOWN
SHEET NO.
7