HomeMy WebLinkAboutWPO202200020 Plan - VSMP 2023-02-23VSMP SITE PLAN
LEGEND
EXISTING
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311.5 TC x
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311.5 BW x
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DESCRIPTION
BOUNDARIES
BENCHMARK
SITE PROPERTY LINE
ADJACENT PROPERTY LINE
BUILDING SETBACK
PARKING SETBACK
SITE TEXT
PARKING COUNT
TOPOGRAPHY
INDEX CONTOUR
INTERVAL CONTOUR
SPOT ELEVATION
TOP OF CURB ELEVATION
TOP OF WALL ELEVATION
BOTTOM OF WALL ELEVATION
STREAM
STREAM BUFFER
100 YEAR FLOODPLAIN
BUILDING
BUILDING
RETAINING WALL
STAIRS
EDGE OF PAVEMENT
ROAD CENTERLINE
FRONT OF CURB
BACK OF CURB
CG-12 TRUNCATED DOME
SIDEWALK
BIKE PARKING
HANDICAP ACCESSIBLE AISLE
HANDICAP PARKING
MATERIAL
CONCRETE
RIPRAP
ASPHALT
EC-2 MATTING
EC-3 MATTING
WETLAND
TREELINE
FENCE
UTILITY
UTILITY POLE
GUY WIRE
OVERHEAD UTILITY
UNDERGROUND UTILITY
STORM
STORM MANHOLE
DROP INLET
STORM SEWER
ROOF DRAIN
SANITARY
SANITARY MANHOLE
SANITARY SEWER MAIN
SANITARY SEWER LATERAL
WATER
WATER LINE
WATER METER
WATER METER VAULT
FIRE HYDRANT
FIRE DEPARTMENT CONNECTION
GAS
GAS LINE
EASEMENTS
CONSTRUCTION
GRADING
ACCESS
SIGHT DISTANCE
UTILITY
STORMWATER FACILITY MAINTENANCE
STORMWATER ACCESS
DRAINAGE
SANITARY
WATERLINE
GASLINE
SOUTH PANTOPS DRIVE -PARCEL 20R
OWNER/DEVELOPER
Owner: South Pantops II Land trust
Charles W Hurt Email: charlie@virginiaLandCompany.com
Phone:464-979-2193
Shirley Fisher Trs
Address: P.O BOX 8147
Charlottesville VA, 22906
ZONING
R15 - Residential
Flood Hazard Overlay, Steep Slopes - Managed, and Steep Slopes - Preserved
MAGISTERIAL DISTRICT
Rivanna
VOTING DISTRICT
Free Bridge
SOURCE OF TITLE
D.B.1069-499
D.B.2913-16 PLAT
BENCHMARK
Top of existing sanitary manhole along South Pantops Drive. Elevation 405.17
SOURCE OF BOUNDARY AND TOPOGRAPHY
Topographic information for adjoining parcels provided by LIDAR data and Albemarle County GIS . Lidar Year: 2016
Boundary provided by:
Field survey provided by Foresight Survey on August 02,2022
Topography provided by:
Foresight Survey on August 02, 2022
FLOODZONE
FEMA flood insurance rate map (community panel 51003c0289D), Effective date February 04, 2005 shows this property
lines in the 100- year flood plain.
DAM BREAK INUNDATION ZONE
The parcel is within the State Dam Break Inundation Zone & Federal Dam Break Inundation Zone.
GENERAL CONSTRUCTION NOTES FOR EROSION AND
SEDIMENT CONTROL PLANS
1. The plan approving authority must be notified one week prior to the pre -construction conference, one week prior to the
commencement of land disturbing activity, and one week prior to the final inspection.
2. All erosion and sediment control measures will be constructed and maintained according to minimum standards and
specifications of the Virginia Erosion and Sediment Control Handbook and Virginia Regulations VR 625-02-00 Erosion
and Sediment Control Regulations.
3. All erosion and sediment control measures are to be placed prior to or as the first step in clearing.
4. A co of the approved erosion and sediment control Ian shall be maintained on the site at all times.
PY PP P
5. Prior to commencing land disturbing activities in areas other than indicated on these plans (including, but not limited to,
off -site borrow or waste areas), the contractor shall submit a supplementary erosion control plan to the owner for review
and approval by the plan approving authority.
6. The contractor is responsible for installation of any additional erosion control measures necessary to prevent erosion and
sedimentation as determined by the plan approving authority.
7. All disturbed areas are to drain to approved sediment control measures at all times during land disturbing activities and
during site development until final stabilization is achieved.
8. During dewatering operations, water will be pumped into an approved filtering device.
9. The contractor shall inspect all erosion control measures periodically and after each runoff producing rainfall event. Any
necessary repairs or cleanup to maintain the effectiveness of the erosion control devices shall be made immediately.
10. All fill material to be taken from an approved, designated borrow area.
11. All waste materials shall be taken to an approved waste area. Earth fill shall be inert materials only, free of roots,
stumps, wood, rubbish, and other debris.
12. Borrow or waste areas are to be reclaimed within 7 days of completion per Zoning Ordinance section 5.1.28.
13. All inert materials shall be transported in compliance with section 13-301 of the Code of Albemarle.
14. Borrow, fill or waste activity involving industrial -type power equipment shall be limited to the hours of 7:00am to 9:00pm.
15. Borrow, fill or waste activity shall be conducted in a safe manner that maintains lateral support, or order to minimize any
hazard to persons, physical damage to adjacent land and improvements, and damage to any public street because o
slides, sinking, or collapse.
16. The developer shall reserve the right to install, maintain, remove or convert to permanent stormwater management
facilities where applicable all erosion control measures required by this plan regardless of the sale of any lot, unit,
building or other portion of the property.
17. Temporary stabilization shall be temporary seeding and mulching. Seeding is to be at 75 Ibs/acre and in the months of
P rY P rY 9 9 9
September to February t0 consist a 50/50 mix of Annual Ryegrass and Cereal Winter Rye, or in March and April to
consist of Annual Rye, or May through August to consist of German Millet. Straw mulch is to be applied at 80lbs/100sf.
Alternatives are subject to approved by the County erosion control inspector.
18. Permanent stabilization shall be lime and fertilizer, permanent seeding, and mulch. Agricultural grade limestone shall be
applied at 90lbs/1000sf, incorporated into the top 4-6 inches of soil. Fertilizer shall be applied at 1000lbs/acre and
consist of a 10-20-10 nutrient mix. Permanent seeding shall be applied at 180lbs/acre and consist of 95% Kentucky 31
or Tall Fescue and 0-5% Perennial Ryegrass or Kentucky Bluegrass. Straw mulch is to be applied at 80lbs/100sf.
Alternatives are subject to approved by the County erosion control inspector.
19. Maintenance: All measures are to be inspected weekly and after each rainfall. Any damage or clogging to structural
measures is to be repaired immediately. Silt traps are to be cleaned when 50% of the wet storage volume is filled with
sediment. All seeded areas are to be reseeded when necessary to achieve a good stand of grass. Silt fence and
diversion dykes which are collecting sediment to half their height must be cleaned and repaired immediately.
20. All temporary erosion and sediment control measures are to be removed within 30 days of final site stabilization, when
measures are no longer needed, subject to approval by the County erosion control inspector.
21. This plan shall be void if the owner does not obtain a permit within 1 year of the date of approval. (Water Protection
Ordinance section 17-204G.)
22. Permanent vegetation shall be installed On all denuded areas within nine (9) months after the date the land disturbing
activity commenced. (Water Protection Ordinance section 17-207B)
GENERAL WATER & SEWER NOTES
1. Work shall be subject to inspection by Albemarle County Service Authority inspectors. The Contractor will be responsible
for notifying the proper service authority officials at the start of the work.
2. The location of existing utilities across the line of the proposed work are not necessarily shown on the plans and where
shown, are only approximately correct. The contractors shall on his own initiative locate all underground lines and
structures as necessary.
3. All materials and construction shall comply with the current edition of the general water and sewer construction
specifications as adopted by the Albemarle County Service Authority.
4. Datum for all elevations shown in National Geodetic Survey.
5. The contractor shall be responsible for notifying "MISS UTILITY" (1-800-552-7001).
6. All water and sewer pipes shall have a minimum of 3.5 feet of cover measured from the top of pipe, over the centerline
of pipe. This includes all fire hydrant lines, service laterals and water lines, etc.
7. All water and sewer appurtenances are to be located outside of roadside ditches.
8. Valves on deadend lines shall be rodded to provided adequate restraint for the valve during a future extension of the line.
9. Trees are not permitted in the ACSA easement.
10. The contractor shall be responsible to comply with the no -lead regulation regarding brass fittings effective January 4,
2014 (Senate Bill 3874 which amends the Safe Drinking Water Act).
11. All public water and sewer facilities shall be dedicated to the Albemarle County Service Authority.
12. Backflow prevention is required for all connections to the water main.
EXISTING USE
Vacant wooded lot
Total Acres: 5.34 Ac
PROPOSED USE
Proposed units - Thirteen (13) Townhome Units , gross residential density : 2.62 DU/ACRES
Maximum Disturbed Area: 1.20 (Acres)
LAND USE SCHEDULE
EXISTING
AREA (SF)
AREA
(AC)
BUILDING
0.0
0.00
0.00%
PAVEMENT
2556.0
0.06
1.10%
OPEN SPACE
230054.5
5.28
98.9%
TOTAL
232610.5
5.34
100%
PROPOSED
AREA (SF)
AREA
%
(AC)
BUILDING
10374.0
0.24
4.50%
PAVEMEN
14834.0
0.34
6.40%
RETAINING WALL
OPEN SPACE
207402.5
4.76
89.2%
TOTAL
232610.5
5.34
100%
SETBACK REQUIREMENTS
Per Sec. 4.19 of Albemarle Zoning Ordinance, the applicable setbacks are as follows:
Front = Minimum 5' Front right -of-way or edge of sidewalk if the sidewalk is outside of right-of-way
Maximum 25' Front right- of way or edge of sidewalk if the sidewalk is outside of right -of way
Building Separation = Minimum 10' (Unless the building shares a common wall)
Side = Minimum 5' (Unless the building shares a Common wall)
Rear = Minimum 20'
RESERVOIR WATERSHED
This site is within the Rivanna River watershed (020802040401).
This site is not within a watershed of a public water supply.
WATER & SANITARY SERVICES
Site is served by Albemarle County Service Authority.
GENERAL NOTES
1. The information and data shown or indicated with respect to the existing underground utilities at or contiguous to the site are
based on information and data furnished to the owner and engineer by the owners of such underground facilities Or others.
The owner or engineer shall not be responsible for the accuracy or completeness of such information or data. The contractor
shall have full responsibility for confirming the accuracy of the data, for locating all underground utilities, for coordination of the
work with owners of such underground utilities during construction, for the safety and protection thereof and repairing any
damage thereto resulting from the work. All of these conditions shall be met at no additional cost to the owner. The contractor
shall contact "Miss Utilities" of Virginia at 1-800-552-7001 prior to the start of work.
2. When working adjacent to existing structures, poles, etc., the contractor shall use whatever methods that are necessary to
protect structures from damage. Replacement of damaged structures shall be at the contractor's expense.
3. The contractor shall be responsible for protecting all existing site structures from damage and coordinating work so that the
owner can make necessary arrangements to modify/protect existing structures from damages.
4. The contractor shall be responsible for notifying all utility owners, adjacent land owners whose property may be impacted and
the Virginia Department of Transportation prior to completing any off -site work.
5. Contractor shall notify and coordinate all work involving existing utilities with utility owners, at least 72 hours prior to the start
of construction.
6. Contractor shall immediately report any discrepancies between existing conditions and contract documents to the owner and
engineer.
7. Contractor shall submit for the approval of the owner submittals of all specified materials listed in the plans, to include shop
drawings, manufacturer's specifications and laboratory reports. the owner's approval of submittals will be general and will not
relieve the the contractor from the responsibility of adherence to the contract and for any error that may exist.
8. All bare areas shall be scarified, limed, fertilized, seeded and mulched.
9. All trees saplings,brush etc. shall be removed from within the right of way and the drainage easements.
9 Y 9
10. Visibility of all mechanical equipment from the Entrance Corridor shall be eliminated.
11. Retaining walls require separate building permits.
12. All water service lines, sanitary laterals, and sprinkler lines must be visually inspected by the Albemarle County Building
Department from the main to the structure.
13.Building or structures built before January 1, 1985 must have an asbestos survey performed in order to apply for a permit.
Asbestos removal permits are required is positive for such from Albemarle County and VDOLI. Contact VDOLI for additional
requirements and permits for demolition projects.
14. 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 the public sewer shall not discharge through a backwater valve.
GENERAL CONSTRUCTION NOTES
1. Prior to any construction within any existing right-of-way, including connection to any existing road, a permit shall be obtained
from the Virginia Department of Transit (VDOT). This plan as drawn may not accurately reflect the requirements of the
permit.Where any discrepancies occur the requirements of the permit shall govern.
2. All materials and construction methods shall conform to the current specifications and standards of VDOT unless otherwise
noted.
3. Erosion and siltation control measures shall be provided in accordance with the approved erosion control plan and shall be
installed prior to any clearing, grading or other construction.
4. All slopes and disturbed areas are to be fertilized, seeded and mulched.
5. The maximum allowable slope is 2:1 (horizontle:vertical). Where reasonably obtainable, lesser slopes of 3:1 or better are t0 be
acheived.
6. Paved, rip -rap or stabilization amt lined ditch may be required when in the opinion of the County Engineer or designee it is
deemed necessary in order to stabilize a drainage channel.
7. All traffic control signs shall conform with the Virginia Manual for Uniform Traffic Control Devices.
8. Unless othrewise noted all concrete pipe shall be reinforced concrete pipe - Class III.
9. All excavation for underground pipe installation must comply with OSHA Standards for the Construction Industry (29 CFR Part
1926).
OFFSITE SUPPORT ACTIVITIES
This project requires approximately 4,000 cubic yards of clean soil import for fill placement. This soil shall be soured from sites
with an active VPDES Land Disturbance permit and must be listed on the SWPPP.
TAX MAP 78, PARCEL 20R
ALBEMARLE COUNTY, VIRGINIA
WPO 2022-00020
VICINITY MAP SCALE: 1"=2000'
Map provided by Google.com
SHEETINDEX
C1 COVER SHEET
C2 EXISTING CONDITIONS
C3 SITE LAYOUT
C4 GRADING & UTILITY PLAN
C5 ES&C NARRATIVE
C6 EROSION AND SEDIMENT
CONTROL PLAN PHASE 1
C7 EROSION AND SEDIMENT SHIMP
CONTROL PLAN PHASE 2
C8 EROSION AND SEDIMENT ENGINEERING2
CONTROL DETAILS LAND PLANNING - PROJECT MANAGEMENT
C9 SWM FACILITIES DETAILS
C10 SWM QUALITY ANALYSIS 912 E. HIGH ST. 434,227.5140
AND DITCH DA MAP CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
C11 DRAINAGE AREA MAPS
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VSMP PLAN FOR
SOUTH PANTOPS
DRIVE PARCEL
20R
ALBEMARLE COUNTY, VIRGINIA
SUBMISSION:
2022.04.27
REVISION:
1.01.11.2023 VSMP Comments
2.02.21.2023 VSMP Comments
FILE NO.
COVER
22.002
C1
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COUNTY GIS PRESERVED SLOPES
SHIMP
ENGINEERING
LAND PLANNING - PROJECT MANAGEMENT
912 E. HIGH ST. 434.227.5140
CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
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No. 45183
2121123 4�
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VSMP PLAN FOR
SOUTH PANTOPS
DRIVE PARCEL
20R
ALBEMARLE COUNTY, VIRGINIA
SUBMISSION:
2022.04.27
REVISION:
1. 01.11.2023 VSMP Comments
2. 02.21.2023 VSMP Comments
FILE NO.
EX. CONDITIONS
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SHED
SHIMP
ENGINEERING
LAND PLANNING - PROJECT MANAGEMENT
912 E. HIGH ST. 434.227.5140
CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
O'
�sslONAL
VSMP PLAN FOR
SOUTH PANTOPS
DRIVE PARCEL
20R
ALBEMARLE COUNTY, VIRGINIA
SUBMISSION:
2022.04.27
REVISION:
1. 01.11.2023 VSMP Comments
2.02.21.2023 VSMP Comments
FILE NO.
22.002
GRADING & UTILITY PLAN
Scale: C4_
1"=20'
PROJECT DESCRIPTION, GENERAL NOTES, EROSION & SEDIMENT CONTROL NOTES, AND SEQUENCE OF CONSTRUCTION
1992
TYPICAL ORIENTATION OF
TREA TMENT - 1
(SOIL STABILIZATION BLANKET)
c MIm
WHERE THERE S A OEM AT THE TOP OF THE SLOPE,
BRING THE MATERIAE MR THE BERM AND ANCHOR R
BEHIND THE emu.
ON SH&Lgy SLCPES, STRIPS OF
NETTING PROTLCRJE EONLRNIGS
MAY BE APPLIED ACROSS
THE SLOPE.
E"ik21- WOMEN
ffllu
�I II-.° li I� n_I.11911 �Lu�l �OII-ncTrn=n-B=E=Ti 11=1l 11=
ON UM SLOPES. APPLY
PROTEOIFK 07MRWC PAFMLLn
TO THE DIRECTION OF ROW
AND A4CHOR SECURELY,
BRING LNTERML BOMB TO A LEMEL AREA 9EFURE A -
uNoENAV 11E INS ATTiIt TURN THE ENO
UNDER 4' Aga) STARE AT 12' NTENYALS.
,. Ir
source: Adapted from Ludlow Products Brochure
IN DITCHES, APPLY PROTECTIVE QO RIND
PARAELEL TO THE DIRECTION Of ROM.
USE p WK SLOTS AS REQUIRED. AWID
JOINING MI N TIE CENTER OF
o1E DITCH IF AT ALL P HLE.
Plate 3.36-1
)SOIL STABILIZATION BLANKET
C5 Not To Scale
' 2 ) CLEAR WATER DIVERSION (CID
C5 Not To Scale
Coronacted Soil
3 DIVERSION DIKE DD
C5 NOT TO SCALE
UNDERGROUND DETENTION MAINTENANCE NOTES:
1. INSPECT THE DETENTION SYSTEM TWICE PER YEAR, IN SUMMER, AND WINTER. CLEAN
OUT DEBRIS AS NEEDED;
2. INSPECT WEIR PLATE ORIFICES AND TRASH RACKS, ANNUALLY. FIX ANY CLOGS OR
REPLACE TRASH RACKS AS NEEDED.
3. INSPECT GENERAL SYSTEM DEBRIS ACCUMULATION ONCE EVERY 2 YEARS. IF DEBRIS
OR SEDIMENT IS NOTICED, CLEAN OUT THE SYSTEM WITH A VAC TRUCK USING ACCESS
RISERS.
REMOVAL OF TEMPORARY PRACTICES
FOR ALL TEMPORARY PRACTICES LISTED ABOVE, THE CONTRACTOR SHALL
REMOVE ANY TEMPORARY MEASURES SUCH AS DIVERSIONS OR SILT FENCE
WITHIN 30 DAYS OF FINAL SITE STABILIZATION. THIS REQUIREMENT MAY BE
MODIFIED BY THE EROSION AND SEDIMENT CONTROL INSPECTOR.
PROJECT DESCRIPTION
THIS SITE IS A WOODED LOT OFF ROUTE S PANTOPS DRIVE IN ALBEMARLE COUNTY BEING
DEVELOPED INTO A 13 UNITS TOWN HOUSE DEVELOPMENT
THE TOTAL AREA OF DISTURBANCE IS 1.20 ACRES.
THE PROJECT INVOLVES THE FOLLOWING WORK ACTIVITIES:
1. THE CONTRACTOR SHALL OBTAIN ALL LOCAL AND STATE EROSION AND SEDIMENT
PERMITTING REQUIREMENTS AND MAINTAIN ALL EROSION AND SEDIMENT CONTROLS IN
ACCORDANCE WITH THE PERMIT REQUIREMENTS.
2. INSTALLATION OF PERMANENT EROSION AND SEDIMENT CONTROL MEASURES AS SHOWN ON
THE PLAN AND DETAILS.
3. GRADING AND PLACEMENT OF FILL SHALL BE IN GENERAL ACCORDANCE WITH THE PLAN.
4. ESTABLISHMENT OF PERMANENT STABILIZATION OF ALL DISTURBED AREAS.
ADJACENT PROPERTIES
THIS PROPERTY IS BORDERED ON THE SOUTH-WEST BY RIVANNA RIVER AND UNDEVELOPED
LAND, AND NORTH-EAST BY S PANTOPS DRIVE.
OFFSITE AREAS
SOIL MAY NEED TO BE IMPORTED FROM THE SITE FROM SITES WHICH SHALL HAVE EROSION
CONTROL PERMITS.
SOILS
THE SITE CONTAINS THE FOLLOWING SOIL TYPES:
13E - CATOCTIN SILT LOAM, 25 TO 45, VERY STONY, HSG B
23B - YADKIN CLAY LOAM, 7 TO 15 PERCENT SLOPES, HSG B
71B - RABUN CLAY LOAM, 2 TO 7 PERCENT SLOPES, HSG B
71D - RABUN CLAY LOAM, 15 TO 75 PERCENT SLOPES, HSG B
71E - RABUN CLAY LOAM, 25 TO 45 PERCENT SLOPES, HSG B
88 - UDORTHENTS, LOAMY, 2 TO 25 PERCENT SLOPES
W - WATER
CRITICAL AREAS
THE CRITICAL AREA ON THE SITE IS THE EXISTING CHANNEL WITHIN THE SITE AND COUNTY GIS
PRESERVED SLOPE. CONTRACTOR TO USE EXTRA CAUTION TO PREVENT SEDIMENT FROM
ENTERING THIS CHANNEL.
EROSION & SEDIMENT CONTROLS
1. SAFETY FENCE: A PROTECTIVE BARRIER INSTALLED TO PROHIBIT UNDESIRABLE USE OF AN
EROSION CONTROL MEASURE. STD. AND SPEC. 3.01.
2. CONSTRUCTION ENTRANCE: INSTALL AND MAINTAIN A CONSTRUCTION ENTRANCE, AS
NECESSARY, THAT MEETS THE REQUIREMENTS OF STD. AND SPEC. 3.02 AND CONFORMS
WITH THE REQUIREMENTS OF THE EROSION & SEDIMENT CONTROL PLAN.
3. SILT FENCE: INSTALL AND MAINTAIN SILT FENCE THAT MEETS THE REQUIREMENTS OF STD.
AND SPEC. 3.05. THIS SILT FENCE SHALL BE INSTALLED AS SHOWN ON THE EROSION &
SEDIMENT CONTROL PLAN AND ACCOMPANYING DETAILS FOR THE PURPOSE OF
INTERCEPTING SILT -LADEN RUNOFF BEFORE IT IS DISCHARGED FROM THE SITE. THE SILT
FENCE SHALL BE INSPECTED AND MAINTAINED TO ENSURE CONTINUED PERFORMANCE.
4. TEMPORARY SEEDING: TEMPORARY SEEDING SHALL BE APPLIED TO ALL DENUDED AREAS
WITHIN SEVEN (7) DAYS TO DENUDED AREAS THAT MAY OR MAY NOT BE AT FINAL GRADE
BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. TEMPORARY
SEEDING SHALL BE APPLIED IN CONFORMANCE WITH STD. AND SPEC. 3.31.
5. PERMANENT SEEDING: PERMANENT SEEDING SHALL BE APPLIED TO AREAS DELINEATED ON
THESE PLANS WITHIN SEVEN (7) DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION
OF THE SITE. PERMANENT SEEDING STABILIZES DISTURBED AREAS AND ENHANCES THE
BEAUTY OF THE SITE.
6. MULCHING: APPLICATION OF PLANT RESIDUES OR OTHER SUITABLE MATERIALS TO THE SOIL
SURFACE TO PREVENT EROSION AND FOSTER THE GROWTH OF VEGETATION. ORGANIC
MULCHES (STRAW) HAVE BEEN FOUND TO BE THE MOST EFFECTIVE.
7. DUST CONTROL: CONDUCT DUST CONTROL OPERATIONS NECESSARY TO MET THE
REQUIREMENTS OF STD. & SPEC. 3.39 AS REQUIRED TO CONTROL SURFACE AND AIRBORNE
MOVEMENT OF DUST.
8. OUTLET PROTECTION: RIP -RAP SHALL BE PROVIDED AT THE OUTFALL OF CONVEYANCE
CHANNELS, CULVERTS, AND STORM SEWERS IN CONFORMANCE WITH STD. AND SPEC. 3.18.
OUTLET PROTECTION SHALL BE INSTALLED WITH ACCOMPANYING STORM SEWERS AND SHALL
BE INSPECTED AFTER EACH RAINFALL EVENT AND REPAIRED IF NECESSARY. ANT SEDIMENT
BUILD UP SHALL BE REMOVED.
9. TEMPORARY DIVERSION DIKE DD - 3.09 A TEMPORARY DIVERSION DIKE SHALL BE USED TO BOTH
DIVERT STORM RUNOFF FROM UPSLOPE DRAINAGE AREAS AWAY FROM UNPROTECTED DISTURBED AREAS
TO A STABILIZED OUTLET AND TO DIVERT SEDIMENT -LADEN RUNOFF FROM A DISTURBED AREA TO A
SEDIMENT -TRAPPING FACILITY. LOCATION AND DETAILS ARE SHOWN ON THE PLANS
10. TEMPORARY SEDIMENT TRAP ST - 3.13
A SMALL PONDING AREA, FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A STONE
OUTLET ACROSS A DRAINAGE SWALE, TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED
AREAS FOR ENOUGH TIME TO ALLOW MOST OF THE SUSPENDED SOLIDS TO SETTLE OUT. MAXIMUM
EFFECTIVE LIFE IS 18 MONTHS. STD. AND SPEC. 3.13.
PERMANENT STABILIZATION AND SEQUENCE OF CONSTRUCTION
THE FOLLOWING ARE THE PROPOSED MANAGEMENT STRATEGIES AND DETAILED SEQUENCE OF
CONSTRUCTION:
PHASE 1
1. INSTALL CONSTRUCTION ENTRANCE OFF S PANTOPS DR AS SHOWN ON C6.
TRUCKS SHALL BE CLEANED PRIOR TO LEAVING SITE
CONSTRUCTION ACTIVITY ENTRANCE LOCATION : (38.028942,-78.451065)
2. INSTALL SEDIMENT TRAP AS SHOWN ON THIS PHASE AND ITS DIVERSION
3. INSTALL SILT FENCE AND PERIMETER CONTROLS.
4. INSTALL TEMPORARY MEASURES SUCH AS DIVERSION AND CLEAN WATER
DIVERSION
5. THE CONTRACTOR SHALL REMOVE THE DIVERSIONS AND SILT FENCE OF FINAL SITE
STABILIZATION.
PHASE 2
STAGE 1:
1. CONTACT THE ENGINEER AND ALBEMARLE COUNTY FOR INSPECTION AND
APPROVAL OF ALL E&S CONTROL MEASURES.
2. UPON APPROVAL OF ALL E&S CONTROL MEASURES, BEING CLEARING THE SITE,
INSTALL RETAINING WALL, SILT FENCE AND STOCKPILE MASS GRADING.
3.MAINTAIN ALL E&S CONTROL MEASURES AND APPLY TEMPORARY SEEDING AND
DUST CONTROL AS NEEDED.
STAGE 2:
1. INSTALL NEW SANITARY MAINS.
2. BEGIN INSTALLATION OF NEW WATERLINE AND STORM STRUCTURES (Al-A5) AND
OTHERS.
A. STRUCTURE A3 IS TO BE INSTALLED PARTIALLY. BOTTOM OF DETENTION PIPE IS
380.00' PER PROFILE ON SHEET C9 ( DETAIL 1).
B. DO NOT INSTALL THE WEIR WALL FOR THIS DETENTION PIPE UNTIL SYSTEM IN
PLACE AND THE GRADING IN THAT ARE CLOSE TO FINAL GRADE.
3. MAINTAIN PERIMETER CONTROLS AS MASS GRADING PROCEEDS.
4. AS PARKING AREAS ARE BROUGHT TO FINAL GRADE, MAINTAIN CONSTRUCTION
ROAD STABILIZATION.
5. AS THE REMAINING SITE AREA IS BROUGHT TO GRADE, APPLY MULCHING,
TEMPORARY SEEDING AND PERMANENT SEEDING AS SHOWN IN THE DRAWING.
NOTE: SEDIMENT TRAP CAN BE REMOVED BEFORE CONSTRUCTION OF LOTS 1
THROUGH LOT 5 .BUT THIS REQUIRES STABILIZATION OF REMAINDER OF PROJECT.
STAGE 3:
1. INSTALL SILT FENCE WHERE NEEDED FOR ANY FINAL PERIMETER GRADING
(PRIMARILY FOR THE PRESERVED SLOPE AREA)
3. DURING HOUSE CONSTRUCTION, AREAS THAT ARE NOT BEING DISTURBED MUST
REMAIN STABILIZED. INSTALL SILT FENCE PROTECTION FOR LOTS UNDER
CONSTRUCTION.
FINAL
1. MAINTAIN CONTROLS UNTIL SITE STABILIZATION AND COUNTY INSPECTOR HAS APPROVED
CONTROL REMOVAL.
2. WHEN SITE HAS REACHED STABILIZATION, REMOVE PERIMETER CONTROLS.
CONSTRUCTION MUST BE REMOVED OUT BY CONTRACTOR.
CONSTRUCTION MAINTENANCE
THE FOLLOWING CONSTRUCTION MAINTENANCE PRACTICES SHALL BE FOLLOWED AT THE SITE.
1. ALL E&S CONTROL MEASURES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAIN EVENT.
ALL DEFICIENCIES IDENTIFIED DURING THESE INSPECTIONS SHALL BE CORRECTED AS SOON AS
PRACTICABLE.
2. THE SILT FENCE BARRIER SHALL BE REGULARLY CHECKED FOR UNDERMINING, DETERIORATION OR
SIGNIFICANT EROSION. SEDIMENT SHALL BE REMOVED AFTER EACH STORM EVENT AND WHEN THE LEVEL
OF SEDIMENT DEPOSITION REACHES HALF THE HEIGHT OF THE CONTROL.
3. THE CONTRACTOR IS RESPONSIBLE FOR ADHERING TO ALL MAINTENANCE REQUIREMENTS SET FORTH IN
THE CURRENT EDITION OF THE VIRGINIA SEDIMENT AND EROSION CONTROL MANUAL, OTHER APPLICABLE
COMMONWEALTH OF VIRGINIA REGULATIONS AND THE PROJECT SPECIFICATIONS.
4. ALL SEEDED AREAS WILL BE REGULARLY CHECKED TO ENSURE THAT A GOOD STAND OF GRASS IS
MAINTAINED.
5. AREAS WITH RIP -RAP SHOULD BE REGULARLY INSPECTED TO DETERMINE IF HIGH FLOWS HAVE
DAMAGED THESE CONTROLS OR CAUSED EXCESSIVE SEDIMENT DEPOSITION. ALL AREAS SHALL BE
MAINTAINED IN ACCORDANCE WITH THE REQUIREMENTS OF THIS E&S CONTROL PLAN.
ENVIRONMENTAL CONTROLS
1. CONTRACTOR SHALL PROVIDE AND MAINTAIN ALL ENVIRONMENTAL CONTROL MEASURES SO AS TO
COMPLY WITH LOCAL ORDINANCES, STATE AND FEDERAL LAWS AND REGULATIONS APPLICABLE TO
WATER POLLUTION IN WATERS OF THE STATE AND IN INTERSTATE WATERS.
2. CONTRACTOR SHALL MINIMIZE THE POTENTIAL FOR AIR POLLUTION BY THE USE OF EMISSION CONTROL
EQUIPMENT ON CONTRACTOR OPERATED EQUIPMENT, SHUT -DOWN OF MOTORIZED EQUIPMENT WHEN NOT
IN USE, AND ACTIVELY CONTROLLING DUST EMISSIONS THROUGHOUT THE PROJECT.
EROSION & SEDIMENT CONTROL PERMITTING
CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL LOCAL AND STATE EROSION AND SEDIMENT
CONTROL PERMITS AND MAINTAINING ALL EROSION AND SEDIMENT CONTROLS IN ACCORDANCE WITH
THE PERMIT REQUIREMENTS.
GENERAL NOTES
1. THE INFORMATION AND DATA SHOWN OR INDICATED WITH RESPECT TO THE EXISTING UNDERGROUND
UTILITIES AT OR CONTIGUOUS TO THE SITE ARE BASED ON INFORMATION AND DATA FURNISHED TO
THE OWNER AND ENGINEER BY THE OWNERS OF SUCH UNDERGROUND FACILITIES OR OTHERS. THE
OWNER OR ENGINEER SHALL NOT BE RESPONSIBLE FOR THE ACCURACY OR COMPLETENESS OF
SUCH INFORMATION OR DATA. THE CONTRACTOR SHALL HAVE FULL RESPONSIBILITY FOR CONFIRMING
THE ACCURACY OF THE DATA, FOR LOCATING ALL UNDERGROUND UTILITIES, FOR COORDINATION OF
THE WORK WITH OWNERS OF SUCH UNDERGROUND UTILITIES DURING CONSTRUCTION, FOR THE
SAFETY AND PROTECTION THEREOF AND REPAIRING ANY DAMAGE THERETO RESULTING FROM
THE WORK. ALL OF THESE CONDITIONS SHALL BE MET AT NO ADDITIONAL COST TO THE OWNER.
THE CONTRACTOR SHALL CONTACT "MISS UTILITIES" OF VIRGINIA AT 1-800-552-7001 PRIOR TO THE
START OF WORK.
2. WHEN WORKING ADJACENT TO EXISTING STRUCTURES, POLES, UTILITIES, ETC., THE CONTRACTOR SHALL
USE WHATEVER METHODS THAT ARE NECESSARY TO PROTECT STRUCTURES FROM DAMAGE. ANY
DAMAGE CAUSED BY THE CONTRACTOR OR ITS SUBCONTRACTORS SHALL BE THE CONTRACTOR'S SOLE
RESPONSIBILITY TO REPAIR OR REPLACE. THIS EXPENSE IS THE CONTRACTOR'S RESPONSIBILITY.
3. REPLACEMENT OR REPAIR OF DAMAGED STRUCTURES SHALL BE AT THE CONTRACTOR'S EXPENSE.
4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROTECTING ALL EXISTING SITE STRUCTURES FROM
DAMAGE AND COORDINATING WORK SO THAT THE OWNER CAN MAKE NECESSARY ARRANGEMENTS TO
MODIFY/PROTECT EXISTING STRUCTURES FROM DAMAGES.
5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR NOTIFYING ALL UTILITY OWNERS, ADJACENT LAND
OWNERS WHOSE PROPERTY MAY BE IMPACTED AND THE VIRGINIA DEPARTMENT OF TRANSPORTATION
PRIOR TO COMPLETING ANY OFF -SITE WORK.
6. CONTRACTOR SHALL NOTIFY AND COORDINATE ALL WORK INVOLVING EXISTING UTILITIES WITH UTILITY
OWNERS, AT LEAST 72 HOURS PRIOR TO THE START OF CONSTRUCTION.
7. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR
THE CONSTRUCTION INDUSTRY 29 CFR PART 1926).
8. THE CONTRACTOR SHALL VERIFY THE LOCATIONS OF ALL BOUNDARIES, BUILDINGS, VEGETATION, AND
OTHER PERTINENT SITE ELEMENTS. CONTRACTOR SHALL IMMEDIATELY REPORT ANY DISCREPANCIES
BETWEEN EXISTING CONDITIONS AND CONTRACT DOCUMENTS TO THE OWNER AND ENGINEER.
9. CONTRACTOR SHALL SUBMIT FOR THE APPROVAL OF THE OWNER SUBMITTALS OF ALL SPECIFIED
MATERIALS LISTED IN THE PLANS, TO INCLUDE SHOP DRAWINGS, MANUFACTURER'S SPECIFICATIONS AND
LABORATORY REPORTS. THE OWNER'S APPROVAL OF SUBMITTALS WILL BE GENERAL AND WILL NOT
RELIEVE THE CONTRACTOR FROM THE RESPONSIBILITY OF ADHERENCE TO THE CONTRACT AND FOR
ANY ERROR THAT MAY EXIST.
10. CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL NECESSARY PERMITS, INSPECTIONS, BONDS,
AND OTHER RELATED ITEMS IN ACCORDANCE WITH LOCAL AND STATE POLICY.
STORMWATER MANAGEMENT NOTES
WATER QUALITY (BMP):
1. PER THE NEW VRRM SPREADSHEET, NO FURTHER TOTAL PHOSPHOROUS
TREATMENT IS REQUIRED.
2. WATER QUALITY WILL BE PROVIDED WITH DEDICATION OF 3.24 ACRES LAND INTO
A SWM FOREST/OPEN SPACE EASEMENT.
WATER QUANTITY
THE RUNOFF FROM THIS DEVELOPMENT IS RELEASED INTO THE MANMADE CHANNEL
IN COMPLIANCE WITH QUANTITY REGULATION DETAILED IN 9VAC25-870-66-B(3)A
(CHANNEL PROTECTION) AND 9VAC25-870-66-C(3).0 (FLOOD PROTECTION):
SWIM QUANTITY IS SATISFIED BY ANALYZING CONCENTRATED RUNOFF FROM THE
DEVELOPMENT AT THE SITE OUTFALL AT THE SOUTHWEST CORNER OF THE
DEVELOPMENT PROPERTY. 9VAC25-870-66-B(3)A REQUIRES THAT CONCENTRATED
RUNOFF FROM DEVELOPMENT AT THE SITE OUTFALL MEET THE ENERGY BALANCE
EQUATION. TO ACHIEVE THIS, CONCENTRATED RUNOFF FROM THE LIMITS OF
DISTURBANCE AREA WILL BE ROUTED TO AN UNDERGROUND DETENTION FACILITY AND
THEN TO THE SITE OUTFALL.
WHEN THE ENERGY BALANCE EQUATION IS BEING USED TO DETERMINE THE
ALLOWABLE DISCHARGE, THE IMPROVEMENT FACTOR WOULD NEED ONLY BE APPLIED
TO THE 'SITE" AS PER THE REGULATORY LANGUAGE OF 9VAC25-870.66.B.3 IN THIS
CASE, THE APPLICATION OF ENERGY BALANCE TO THE DISCHARGE FROM THE SITE
WOULD BE CALCULATED AS FOLLOWS:
RVEPre. site RV, Pre, Offsite
Q1 Post C Q3 P""te (1 F) t Q1 Pre of (site
RVivosr, sits RVipost,Offstte
Tablet : Energy Balaoc a Equation Summary
QIPRSI(111aIA1I...d)(cIS)
Ql Pos[(.%I1Adflmvd)(CA)
OUTFALL
1.85
1 1.77
NOTE: 0.10 ACRES (THE RELATIVELY FLAT AREA ABOVE THE DETENTION PIPE) WILL
SHEET FLOW INTO THE ONSITE WOODS WITH NO DOWNSTREAM IMPACT. THIS AREA IS
IDENTIFIABLE ON PLANS AND IN THE FIELD AS AN EXISTING FLAT "BENCH" ON THE
SLOPES THERE. THE SURFACE OF THIS AREA IS MOSTLY COMPACTED SOIL WITHOUT
UNDERGROWTH DUE TO HUMAN ACTIVITY. WHEN THIS AREA IS REGRADED AND
STABILIZED, WE EXPECT LESS RUNOFF VOLUME FROM THIS "BENCH". FOR THESE
REASONS, RUNOFF FROM THIS 0.10-ACRE AREA COMPLIES WITH 9VAC25-870-66-D.
CHANNEL PROTECTION:
CONCENTRATED RUNOFF FLOWING THRU THE SITE SHALL BE ROUTED VIA NEW STORM
DRAINS INTO THE NATURAL CHANNEL WHICH WILL RELEASE RUNOFF AT RATES WHICH
COMPLY WITH THE ENERGY BALANCE EQUATION 9VAC25-870-66-B(3)A.
FLOOD PROTECTION:
TO MEET FLOOD PROTECTION REQUIREMENTS POST -DEVELOPMENT RUN-OFF WILL BE
DISCHARGED INTO A CHANNEL WHICH IS LOCATED IN A MAPPED FLOODPLAIN. THUS,
THIS IS THE LIMITS OF ANALYSIS AND NO FURTHER ANALYSIS IS REQUIRED.
CONCENTRATED RUNOFF RELEASE TO THE OUTFALL IS CONTAINED WITHIN ADEQUATE
MANMADE CHANNEL. REF LD-268 DITCH DESIGN ANALYSIS. THIS IS COMPLIANT
9VAC25-870-66-C(3). C
MINIMUM STANDARDS (MS)
All applicable Virginia Erosion and Sediment Control Regulations and Minimum
Standards shall be adhered to during all phases of construction. These
include, but are not limited to the following:
1. STABILIZATION OF DENUDED AREAS:
Permanent or temporary soil stabilization shall be applied to bare areas
within seven days after final grade is reached on any portion of the site.
Temporary soil stabilization shall be applied within seven days to denuded
areas that may not be at final grade, but will remain dormant or
undisturbed for longer than 30 days. Permanent stabilization shall be
applied at areas that are to be left dormant for more than 1 year.
2. STABILIZATION OF SOIL STOCKPILES:
During construction of the project, soil stockpiles shall be stabilized or
protected with sediment trapping measures. The applicant is responsible for
temporary protection and permanent stabilization of all soil stockpiles on
site as well as soil intentionally transported from the project site.
3.PERMANENT VEGETATIVE COVER
A permanent vegetative cover shall be established on denuded areas not
otherwise permanently stabilized. Permanent vegetation shall not be
considered established until a ground cover is achieve that, in the opinion
of the county Inspector, is uniform and mature enough to survive to inhibit
erosion.
4. TIMING & STABILIZATION OF SILT TRAPPING MEASURES:
Sediment basins and traps, perimeter dikes, sediment barriers and other
measures intended to trap sediment shall be constructed as a first step in
any land disturbing activity and shall be made functional before upslope
land disturbance takes place.
5.STABILIZATION OF EARTHEN STRUCTURES:
Stabilization measures shall be applied to earthen structures such as
dams, dikes and diversions immediately after installation.
6. SEDIMENT TRAPS AND BASINS:
A sediment basin shall control surface runoff from disturbed areas that is
comprised of flow from drainage areas greater than or equal to three acres.
The sediment basin shall be designed and constructed to accommodate the
anticipated sediment loading for the land disturbing activity. The outfoll
device or system device shall take into account the total drainage area
flowing through the disturbed area to be served by the basin.
7. CUT AND FILL SLOPES:
Cut and fill slopes shall be designed and constructed in a manner that
will minimize erosion. Slopes that are found to be eroding excessively
within one year of permanent stabilization shall be provided with additional
slope stabilizing measures until the problem is corrected.
& CONCENTRATED RUN-OFF DOWN CUT OR FILL SLOPES:
Concentrated runoff shall not flow down cut or fill slopes unless contained
within an adequate temporary or permanent channel, flume, or slope drain
structure.
9. WATER SEEPS FROM A SLOPE FACE:
Whenever water seeps from a slope face, adequate drainage or other
protection shall be provided.
10. STORM SEWER INLET PROTECTION:
All storm sewer inlets that are made operable during construction shall
be protected so that sediment -laden water cannot enter the conveyance
system without first being filtered or otherwise treated to remove sediment.
Y 9
11. STABILIZATION OF OUTLETS:
Before newly constructed stormwater conveyance channels are made
operational, adequate outlet protection and any required temporary or
permanent channel lining shall be installed in both the conveyance channel
and receiving channel.
12. WORK IN LIVE WATERCOURSES:
When work in a live watercourse is performed, precautions shall be taken
to minimize encroachment, control sediment transport and stabilize the work
area to the greatest extent possible during construction. Nonerodible
material shall be used for the construction of causeways and cofferdams.
Earthen fill may be used for these structures if armored by nonerodible
cover materials.
13. CROSSING A LIVE WATERCOURSE:
When a live watercourse must be crossed by construction vehicles more
than twice in any six month period, a temporary stream crossing
constructed of nonerodible materials shall be provided.
14. APPLICABLE REGULATIONS:
All applicable federal, state and local regulations pertaining to working in
or crossing live watercourses shall be met.
15. STABILIZATION OF BED AND BANKS
The bed and banks of a watercourse shall be stabilized immediately after
work in the watercourse is completed.
16. UNDERGROUND UTILITIES:
Underground utilities shall be installed in accordance with the following
standards in addition to other criteria:
a.No more than 500 linear feet of trench may be opened at one time.
b.Excovoted material shall be placed on the uphill side of trenches
c.Effluent for dewatering operations shall be filtered or passed through
approved sediment trapping device, or both, and discharged in a manner
that does not adversely affect flowing streams or offsite property.
d.Material used for bockfilling trenches shall be properly compacted in order
to minimize erosion and promote stabilization.
e.Restabilization shall be accomplished in accordance with these regulations.
f. Applicable safety regulations shall be complied with.
17. CONSTRUCTION ACCESS ROUTES:
Where construction vehicle access routes intersect paved public roads,
provisions shall be made to minimize the transport of sediment by vehicular
tracking onto paved surfaces. Where sediment is transported on to a
public road surface, the road shall be cleaned thoroughly at the end of
each day. Sediment shall be removed by shoveling or sweeping and
transported to a sediment control disposal area. Street washing shall be
allowed only after sediment is removed in this manner. This provision shall
apply to individual lots as well as to larger land disturbing activities.
18.TEMPORARY E&S CONTROL MEASURE REMOVAL:
All temporary erosion and sediment control measures shall be removed
within 30 days after final site stabilization or after temporary measures are
no longer needed, unless otherwise authorized by the local program
authority. Trapped sediment and the disturbed soil areas resulting from the
disposition of temporary measures shall be permanently stabilized to prevent
further erosion and sediment.
19.ADEQUACY OF RECEIVING CHANNELS:
Properties and waterways downstream from the development site shall be
protected from sediment deposition, erosion and damage, due to increases
in volume, velocity and peak flow rates of stormwater runoff for the stated
frequency storm of 24-hour duration.
SHIMP
ENGINEERING2
LAND PLANNING - PROJECT MANAGEMENT
912 E. HIGH ST. 434.227.5140
CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
711
U STO
N0.45 183
A 2121 1 23 4r
O /jJj
4�S1n,,TAI
VSMP PLAN FOR
SOUTH PANTOPS
DRIVE PARCEL
20R
ALBEMARLE COUNTY, VIRGINIA
SUBMISSION:
2022.04.27
REVISION:
1. 01.11.2023 VSMP Comments
2.02.21.2023 VSMP Comments
FILE NO.
ES&C NARRATIVE
22.002
C5
SOIL EROSION & SEDIMENT CONTROL SYMBOLS
SYMBOL NO. TITLE KEY
STORM STR \
SATE ROUTE 114�0 SOUTH / I
PANTOPS IVE — I ROAD cL
\ \ \ \ \ \\ \\ \ITS OF
t4DIStMRBANC
E
\\ \ \ \ ^ -PLCID � LDD uw � LOD � LOD LOD LOD LOD LOD lm LOD LOD" LOD LOD LOD u
\ I N
/ x x x \ \ \ \ \
i > x x x x x \
CONCRETE x x x
—\ 4•—�_\
EW TREELIN_ — — — — — — — — —
TMP 78-15C9
/ BALLIF INSVESTMENTS LLD ;M im jma
D.8 2673-67200
00�ZONED: HC ��
wL
- _ _
00
00 a �PRES-EVED SLOPE — — — — ----�_—_ --- w --� .,.• .r' C CRET
\ \
00�
fto
—\ \ !��- w. ---- \ \
— / i 380'— —_ �-� \ — — —. \ 25'\FRONT' 25' FRONT M. XIMUj T/BBACK FRDWYR�� — — — — — — — —, — — — — — — — — — \.\
STORM STR \
_ _ ROAD CLO
ITS
\ \ \ D148ANC� V A\
■ LOD LOD LOD LOD LOD LOD LOD OD LOD LOD \ LOD LOD" LOD � LOD LOD L \
\ \ EX. GUARD RAIL (DEMO)
X X X
[DRAWN TO SCALE]
[DRAWN TO SCALE]
LOD LOD LOD
3.02
CONSTRUCTION ENTRANCE
CE
3.03
CONSTRUCTION ROAD STABILIZATION
CRS
3.05
SILT FENCE
SF
3.10
SAFETY FENCE
SAF
3.13
TEMPORARY SEDIMENT TRAP
ST
3.09
TEMPORARY DIVERSION DIKE
DD
3.09
CLEAN WATER DIVERSION
�W
3.13
TEMPORARY SEDIMENT TRAP
ST
TOTAL
LIMITS OF DISTURBANCE: 1.20 Acres
SEDIMENT TRAP DRAINAGE AREA
— — — — — —
o
\ —
STATE ROUTE \140 SOUTH \��\ PANTOPS \
ROAD CL\—
OD �E]EOp LOD ss \
LOD LOD D LOD LOD LOD LOD L � \
` LOD LOD mw� L LOD \
LOD
A J \ \ DE . EXEC LOD UNEW LOD nw� LOD LOD _
\ Drainage Sediment _
— — Trap 0.83 Acres
EX. ARID RAIL (DEMO) — \
\ 160 51 — ` 1 � \ S52°30'00"E 90.00' \ \ Cod -
2 [JEW TREELINE — — _ \ x _ — — \ \ 2288 26 00 \ 0' \ \ \ _ �'� — -
- — — S34°40'45" \ _ _ \ N34'40'46"E\ o 2�A° 20.0� 20.00' 20.00' 20.00' 3 2T0.00'
�t 2 4 C
I _20.00,
— — — — — — — — — — — — -i— — — — — 3
C5 \1
\ 12R 74' EMO CG— 34-
-----------------_ _ _ :;:v.. 7R\.00 \2.00' 20.00' \—\\— \ \� AND ASPH T IF
I
_-------I— ------ a��-�-MM �XIoH�-I i \ —-- o0
OM no M
\ \ \ f
29
_ V �� \
�DTTHE\\ \Ap \\\\ �\ J \ \ \\ \\ --- \co 'CO-
- EX.TREZYN — \\ \ \ \ ^ N ca\ \ m x I 1
_ \ °� O \ t O1 II _
` \ �\ \ \ o m a6 \ n1 \ `O \ +x I
--o —� --- \\ \\ \\ \ \ \ \\ \� r �\ v STAGI G AND � Wi
----------- —bo 0.\ --- \-- AREA 00 4
\ \ \ \ R7 _ — — — STOCKPI E
I
00 \ 00 \� -
-4� \ LI yC.�'� \ \ \ --- ----- — -- —
zLao \ \ \ \ — — — \ \� x �x x — — x LOD may® SHED
�\
4EI� LENGTH= 4 98 FT \ \10
408NE — — _
o 406
L \ �' \ o. \\ \\\ \ 202
ow ----� \ \ \ \ \ \ �_ ±02.5= 402 =_-- 20.3
^ �oD\ ►h 4005- _ -- —�- —� C
\TREXLIN� \ \\ \ \ \ , ` lap�� \ III400 LOD \ — — — — — \ /
_
LOD )n Of IV
, T' \�
4400La44o= \\\\
\
QmN /:
�
UNDIS ED AREA
p\ h
E\ c LOD% \ La-M
77
an 4uu
..
\ —
\— — — ------ \
,BOO \ ` �'� �y�------- -- — — —
—PRESERVED SLOPE LOD----\ x \ ''.
\ \ \ Ex.ssM 8 _ — — — \
EX.WAL \ fNLET
EX.SSMHNEW
COD TREELINEno
�LODLOD —_—--_---- `
\ \\ \ \ \ \ \ DIDAkft LOD �M LOD LOD too _
ss0. \ \ \\ --- -----_ \ \\ SSMH
\`�� LOT 14 ---- —
\ \ \ \ \ \ \� \ — — — — LOD 00 �fvtul 7j8-22��REk� �34-AC \ \ IF \ \�
\ \ PRES VE SLOPE \ \ \ \ \ —�— \ ��R OWNER- SOl7TH PANIDPS� AND TRU — \
\ P\ \ \ \ \� \ LOy►LOD — ��� _ — — OPEN SP_ACF-:-4.33 -AC
oD-ram 2HARLES W Hk1RT \ \
--- _�liIR�EY F�ER�S ----
\ \ \ \ \ \ \ \ \ \ \� — L — _ — — AREA LOT 1 T iRt� TOT 13: 0 60 AC \ \ \ \ \ \ \
1 i"�'r 1'\ \\ \ \ \♦ \ \ \ \\ s \ \\ \ \\ \ \ \ \ �� — _ --- -- _ L-0��: 3.41 ACC\\\—
� \_--- ���=AREAor o�5.34 ACRES----P1RESERVED�OPE—
20 0 20 40 60
SHIMP
ENGINEERING2
LAND PLANNING - PROJECT MANAGEMENT
912 E. HIGH ST. 434.227.5140
CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
VSMP PLAN FOR
SOUTH PANTOPS
DRIVE PARCEL
20R
ALBEMARLE COUNTY, VIRGINIA
SUBMISSION:
2022.04.27
REVISION:
1. 01.11.2023 VSMP Comments
2.02.21.2023 VSMP Comments
FILE NO.
22.002
EROSION AND SEDIMENT
CONTROL PLAN PHASE 1
Scale: C
6
1 "=20'
STORM STR \
� 0
// , ) / I \
I STATE ROUTE_114 SOUTH _ / _ I ROAD CL I /
�/ PANTOPS DRIVE
I\ \ \ \ \ \ \ \ \ IMITS OF
\ \ \ \ \ \ DIARBANCE
\ \ \ \ OUiPLOD LOD LOD LOD Lao Mmilkm LOD LOD LOD LOD LOD LOD LOD LOD LOD Lao
\ \ T
Y
\ \ \ %PD , 6' PLANTING� STRIP \ \ 6' PLANTING STRIP\ !`1
\' it d`''W�A
1
yy
1 nl 1 54
X
. I 4 !y�
1
.
•.,
"_- -x...
%X
_ i
— .,CONCRETE
. x
L
EW TREELIN
Q
/ L
— — — —
—
_
/ BALLIF INSVESTMENTS LLC
we
— — -�
— — — — —
— — — — SANITARY-S€-WER-E-AS
—
D.B 2673-672
_ — —
—20'
_ EMENTD.B 841=52fi — _
— —
.sw*•it.�"
ZONED' HC
—
„,,,., _•%,•i ..
h 000000
a
^f _ I _ --- — --- _ —
_ _ C CRET `
—\ x �- — — — — — — Q — EX.TREELtN
---- --_-- — .."
_ I w / / / / 380'' — •,;.:u \ \ 5'\FRC
� � 25' FRONT M XIMUNt T�CK FIR -15 — — — — — � 'i'' "' \
NOTE:
LOW MAINTENANCE GROUND COVER:
SOUTHEAST NATIVE GRASS SEED MIX (AMERICAN MEADOWS INC.)
FOR SLOPES STEEPER THAN 3:1 GRADE, MIX THE FOLLOWING SEEDS AT 30
LBS/ACRE EACH, ALONG WITH EC-2 MATTING:
VIRGINIA WILDRYE (ELYMUS VIRGINICUS), LITTLE BLUESTEM GRASS
(SCHIZACHYRIUM SCOPARIUM), PURPLETOP (TRIDENS FLAVUS), BROOMSEDGE
(ANDROPOGON VIRGINICUS), AND INDIAN GRASS (SORGHASTRUM NUTANS).
-P SERVED-S♦GPE--: �— --- -- \ \
NOTE: AMREOHESEDIMENT
TRAP
X— Y I I IrMH A2 \ \ \ SHALL BE GRADEDANDSTABILIZEDWITHMULCH OR
STORM STIR \
ROAD CL
��IMITS OF DOGHDOUS
DIS\ RBANCE \TOP=416.40
\ 10=411.00
��PLOD � LOD � LOD � LOD � LOD � LOD � LOD � LOD �LOD � LOD � LOD LOD � LOD� LOD � LOD LOD � LOL1�� ��{Op_
Y
SOIL EROSION & SEDIMENT CONTROL SYMBOLS
SYMBOL N0. TITLE KEY
X —X —X
[DRAWN TO SCALE]
TS
PS
DC
LOD LOD LOD
3.02
CONSTRUCTION ENTRANCE
CE
3.03
CONSTRUCTION ROAD STABILIZATION
CRS
3.05
SILT FENCE
SF
3.10
SAFETY FENCE
SAF
3.13
TEMPORARY SEDIMENT TRAP
ST
3.09
TEMPORARY DIVERSION DIKE
DD
3.09
CLEAN WATER DIVERSION
�W
3.18
OUTLET PROTECTION
OP
3.31
TEMPORARY SEEDING
TS
3.32
PERMANENT SEEDING
PS
3.35
MULCH
MU
3.39
DUST CONTROL
DC
TOTAL
LIMITS OF DISTURBANCE: 1.20 Acres
SEDIMENT TRAP DRAINAGE AREA
CONSTRUCTION STONE PRIOR TO REMOVAL OF THE SEDIMENT I
TRAP. CONTACT COUNTY INSPECTORS FOR VERIFICATION OF
STABILIZATION PRIOR TO REMOVAL OF TRAP.
— — — -
— — — — — — — — — — — — — — — _ _ —
EX.SSMH
o \ \4
211
_ STATE ROUTE 1140 \SOUTH
Sf 6 I\ PANTOPS DRIVES \ _
SA C8 CG-6 \\ �-
\ ROAD CL
\ \ C5 �T6 � — LOD LOD LOD � LOD LOD � LOD LOD � LO L � YPNEW RAVEMENT
\ LOD R
LOD � L LOD LOD LOD enuft LOD \ \
, 6' PLAN NG STRIP L Lop
% %
v
x- % % r, ..r .. —
160 51 _ T LLFR9NT v ------ ' _ (Op
2 ��LNEW TREELINE —— L \ S �/ `Lpp
_
_ — — — — — — \ 01 `_ lOp
4007 _ ['� _ — — _ — — — — — — — — — I — — R 2 �i R D R D ' - _ ` [ DL
D
T*l
--- -- — 2 _� RD D
RD
— — — — — — — -�- \ aq \ _ 24 BR SIN p 20.00' 20.00' = 1 R '---a.
R7�
_ — — — — — — — — — — — ` i RD RD R 20.00'—_
— — — — — �, \ D yhS' D D R _ Z�A'SIN
------ -- _ i __ -_20.00'
� \ R - R 9
�'IF� �7-�-� ��a»XSMH _ .:.�.•,r'..� � \ \ k 2
..'-"". O\ �OWNHOU E �' \ 20.00' 1 o 0 4 B,�SIN
_ _ 20.00 \ 20.00' o LOT 7 c6 \
_ _ — .�.;;:,.;%'<` \ E, \ \ \(TYP \ \ \ 00 LOT 6 \ M LOT 8 0 \
—� _ — — — :mat;:. \ \ \ \ \ \ — \ \ LOT 9, M \
,.�'':,i,, CONCRETE\ \ \ \ \ LOT 10 0
\ DTT H \ \Ap \ \ b — - — — — \ LOT 11 ro\
—�_----------_ --- o \ n LOI12 LOT13
-_�— EX.TRPFM _ :g:.y, >. \ �. \ O� \ \ AO \ c�\ LOT 1 \ 00 00 \ —
380'— — — �P — — — _ ,: ?•. \ \ \ \ \ \ \ n \ LOT 2 LOT 3 LOT 4 M LOT 5 \ }5 \ �•n
bb
_ }
04
55
- — — — — — — — — — — — — 1 —
— — — — — — — — — — — -- .;.R I TOP=387.20 } — 18.01
z — — — — — — ., \ L 11=378.00 \ \ \ 5 \6�\ 1 — - — _ — �i \ \ ° $
370'— z — — — — — LOD ic
�14\ � - \ I 0=374.0 \ \ 1 \ 18.0' $ I N — — _ N \ \ 'v
—� — — — \ \ \ \ \ ss \ LENGTH= FT 410` m
— — — — — — — — ----�--- ---- Al \ \ I \ \ \ �\ �\ \ 4P8
_ o1I \ N \ \
/--------_---- o-- -- \ VB:. DBE Lob 2 ti ! NEW \ \ A°o• \ M 4 6 Qa g
z _ — L !y TREE, �\ J r �� �` \ \ a
------- —
,/ \\ \5_= 40204 — — �v -- �0 — — NEW PAVEMENT\TR
E LI N
--- — \ \ \� \ \ ` DI-2 — — \
b! R 38�g oD `\ \ \ \ \� \� — 84 gF�uLe� RL R_° �� - �_— ....NEW k- - %�0.
_ —
\� TREELINE — — — `p
T r
-----_ q.w• \ \ \ \\ \ \ \ \ \�\ \\ \\ \�9 \! `\ \\ �� -- —....; —--------------- ` ` O\I—
— — — \ v E
5,r NCR�TE\ \ \ \ \ \ \ \\ \ \ O' 8� ; \ --- L� \ 3
0 \ \ + \ \ \ \ L LOD Lao Lao ! Lao 2 — < \ 0
_ \ \ \ _ _
\\\IT \\\\\\\ \\ \\\ \\ \\\\�►\>\1�38\C. \ ��1�\�\ !�b \ g\ -- ------�.- . --- C8----------- ---- 400>�_ I \
�� \
'" �� \ \ \ \ \ \ \ \ \ \ \ \ \4VEIf,2 RFA`jE \ AO�io\ :\ \\ \10' SEGMENTAr-BLOCK — — •` _ — — — — — — — — —
\ \ \ \ \ \ . \ RCTAINING WALLan
— — — — — — — — — — — — — — — — — _
ki
0
\ w ---------------- LOD
\ • \
EX.SSM H — �� �-��
\�------------------ ---� �— --- __ .W EXAL
\ / \
PIPE A4 PRESERVED SLOPE EX.SSMH
w \ \ \ \ \ — — — — — — _
/ \ \ \ \ \ \ z \ \ \ \ \ \ \ L� top TREELINE 39�s�� — — \—
�I \ \ \ \ \ \,\ 30" ACGESS3-R� \ `L_, — \
Lev=3�a.ao c�60' i�LOD ��LOD�..L L°D�----------—_-------�_ �\ �\
` LOD � LOD LOD � LOD SL \
I • I I I l \ \ \ \ \ \ \ \ \ \ \ \ �\ \ \ \ �\ -- — — —TX 7820R
O-- — ---- ----- �\ \\ \ \
o•
I I I / — \ \ \ \ ♦ \ \ \ \ \ \ \ \ \ \ \ \ \ \ may' \ \� \ \ = ��� �, .,� LcA ER: SOUTH PANTOPS I II L-AN TRUST --- _ \ \\
CHARLEY W HURT
SHIRLEY�HIE� I3R fRS �� �3so'------_ \�\\\ IF
LaIll ___ --- D.B 2913�5i1
\ \ \ \ \ \ \ \ \�__ —_ 30 ACL€SSRISE — LOD
RISE -- _--- Z
\ \ \ PRESE&ED SLOPE\ \ \ �s \ \ \ \ \ \ \� _ tEv— iR8.0o _ _ _ — —
\ \ \ \ \ \ \ \ \ == — --- �E� ES
�_----_� 4 ACR
0-0
va 00 00 ___--------- _-- _ D'—
20 0 20 40 60
bcoie:
1 "=20
SHIMP
ENGINEERING2
LAND PLANNING - PROJECT MANAGEMENT
912 E. HIGH ST. 434.227.5140
CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
'��p�I TH
O �
v . SfflN4r a
No. 45183
� 2123�.
0
rSI01VAI. ENV
VSMP PLAN FOR
SOUTH PANTOPS
DRIVE PARCEL
20R
ALBEMARLE COUNTY, VIRGINIA
SUBMISSION:
2022.04.27
REVISION:
1. 01.11.2023 VSMP Comments
2.02.21.2023 VSMP Comments
FILE NO.
22.002
EROSION AND SEDIMENT
CONTROL PLAN PHASE 2
C7
STONE 70' MIN.
CONSTRUCTION
ACCESS 3" SM-2A ASPHALT TOP
COURSE EXISTING
277 PAVEMENT
6" MIN. 21A AGGREGATE BASE
PROFILE
STONE
70' MIN.
CONSTRUCTION ASPHALT PAVED
ACCESS -- A WASHRACK
FEXISTING
2% 2% PAVEMEN
j 1 2% ' 2' MIN.*
*MUST EXTEND FULL WIDTH POSITIVE DRAINAGE
OF INGRESS AND EGRESS TO SEDIMENT
OPERATION TRAPPING DEVICE
PLAN
12' MIN. POSITIVE DRAINAGE
27 TO SEDIMENT
TRAPPING DEVICE
FILTER CLOTHS _--
SECTION A -A
A ntittitman water tap of 1 itch must be ntstalled with a ntininumi 1 inch ballcock
shutoff valve supplying a wash hose with a diameter of 1.5 itches for adequate
constant pressure. Rash water umst be carried away front the entrance to an
approved settlittg area to remove Sediment. All sednttent shall be prevented from
entering storm drains, clitches or watercourses.
PAVED WASH RACK
NO SC.- I
-1)PAVED CONSTRUCTION ENTRANCE (CV)
C$ Not To Scale
Sediment Trap Design Data
No.
A
B
C
Ho(ft)
H (ft.)
Z (ft.)
W(ft)
DA
Wet Vol.
D1
WetVol.
Dry Vol.
D2
Dry Vol.
(Acs.)
(Req.)
(ft.)
(Prov.)
(Req.)
(ft.)
(Prov.)
1
400.5
402.5
404.0
4.0
5.0
3.5
4.5
0.83
55.6
2.0
55.7
55.61
1.5
59.0
ORIGINAL
GROUND
ELEV.
Area 2
DRY STORAGE D2
67 CU, YD./AC E
Area 1
WET STORAG
67 CU. YD./AC E
� W=Z+I
1'I
(EXCAVATED) 1/ FILTER CLOTH ORIGINAL
GROUND
EL=C ELEV.
"SEE PLATE 3.13-1 COARSE AGGREGATE " CLASS I RIPRAP
CROSS SECTION OF OUTLET
® CLASS I RIPRAP LENGTH (IN FEET) = 6 " DA (IN ACRES)
�_ DIVERSION
DIKE
� A�COARSE AGGREGATE
EXAll
FILTER CLOTH
**COARSE AGGREGATE SHALL BE VDOT #3, #357 OR #5
OUTLET (PERSPECTIVE VIEW)
IM 3.13
MINIMUM TOP WIDTH (W)
REQUIRED FOR SEDIMENT
TRAP EMBANKMENTS
ACCORDING TO HEIGHT OF
EMBANKMENT (FEET)
It Ho
------ __--- 1.5 0.5 20
2.0 1.0 2:0
1.5 1.5 25
so 2n 15
3.5 2_5 3.0
"o 4.0 10 3.0
ENfAWiFD IMA
SouI Va. DSWC P1ase 3.13-1
CONSTRUCTION OF A SILT FENCE
(WITH
WIRE S UPPOR T)
1. SET POSTS AND EXCAVATE A 4"X4"
2. STAPLE WIRE FENCING TO THE POSTS.
TRENCH UPSLOPE
ALONG THE LINE
OF POSTS.
w
3. ATTACH THE FILTER FABRIC TO THE WIRE
FENCE AND EXTEND IT INTO THE TRENCH.
4. BACKFILL AND COMPACT THE
EXCAVATED SOIL.
EXTENSION OF FABRIC AND WIRE INTO THE TRENCH.
2 )SILT FENCE (SF) W. WIRE SUPPORT
C$ Not To Scale
C
PERSPECTIVE VIEW
PLASTIC FENCE
SOURCE: CONWED PLASTICS
VDOT ROAD AND BRIDGE STANDARDS
VA. DSWC
r �1
PERSPECTIVE VIEW
METAL FENCE
PLATE. 3.1-1
1992 3.35
Source: Va. DSWC
TABLE 3.35-A
TABLE 3.35-A
ORGANIC MULCH MATERIALS AND APPLICATION RATES
3 MULCHING MU
C$ Not To Scale
TABLE 3.31-C
TEMPORARY SEEDING PLANT MATERIALS, SEEDING RATES, AND DAMS
N
N
cow
SEEDING RATE NORTHa SOUTHb
PLANT
all 5Il 8/15 2/IS s/1 9/1 CHARACTERISTICS
SPECIES A. 1000 fly m to to to 1.4/3o 8/15 un ontoo vn 11ns
OATS 3 bu. (up to 100 Ibs.. 2 Ibs. X - - % - - Use spsive vasiaiea (e.8�. Noble).
(Avw HIa not Iese 0150 16eJ
RYE° 2 W. (W to 110 Ibs., 2.5 It.. X - X X - X Um for late tall aedings, winter
(Swale cereal not lass Ditto SO Ibs.) cover. Tolmtee cold and low
moievve.
GERMAN MILLET 50 Its, appmx. 1 lb. - X - - X - W.. eenuel. Dies et f rst
(Sefuia iWiul troal. Mey be eddW to smmar
mixes.
ANNUAL RYEGRASS` 6016a. 1'h Ibs. % - X % - X May be Wdd in mixa. Will
({gJlMlp multi-Flomml mow w[ of mwl sNMs.
WEEPING 15 Ibs. 5'h X - - X - Warm-xemn perevniel. May
LOVEGRASS bush. Tolerates hot, dry slopes
fEnemstia ..IA mil acid, infertile soils. My be
added to mixes.
KOREAN 25 Ibs. approx.
1'h % X - X X - Werm sr*son umud legume.
LESPEDEZA` Ibs. Tolen[ea acid soils. May be
f�a a is iwlacul addm to mixes.
• Northam Piedmont and Mountain region. See Plates 3.22-1 and 3.22-2.
b Southern Piedmont and Coastal Plain.
e May be used as a cover crop with spring seeding.
d May be used as a cover crop with fall seeding.
X May be planted between these dates.
May nosy be planted between these dates.
-
'ITEMP01
C$ Not To Scale
TABLE 3.39-A
ADHESIVES USED FOR DUST CONTROL
Water Application
Dilution Type of Rate
Adhesive (Adhesive: Water) Nozzle Gallons/Acre
Anionic
Asphalt Emulsion
Latex Emulsion
Resin in Water
Acrylic Emulsion
(Non -Traffic)
Acrylic Emulsion
(Traffic)
PIPE OUTLET CONDITIONS
3do (MIN.)
IPE OUTLET TO WELL
IEFINED CHANNEL
1` ` °
D zrp
-�
d
SECTION A -A FILTER CLOTH KEY IN 6'-9"; RECOMMENDED FOR ENTIRE PERIL
NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED REPRAP, GABION
BASKET, OR CONCRETE.
2. La IS THE LENGTH OF THE RINRAP APRON AS CALCULATED
USING PLATES 3.18-3 AND 3,18-4.
3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT
LESS THAN 6 INCHES.
Q10 (cfs) La (ft) Do 3Do d5o depth Outlet
(ft) (ft) (in) (in) Condition
Al (OP) 8.03 10.0 1.25 3.75 6 18,00 Channel
OUTLET PROTECTION TABLE (OP
Not To Scale
PERMANENT SEEDING SPECIFICATIONS
February 16 through April 30:
Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 Ibs/acre;
Annual Rye - 20 Ibs/acre.
May 1 through August 15:
Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 Ibs/acre;
Foxtail Millet - 20 Ibs/acre.
August 16 through October 31:
Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 Ibs/acre;
Annual Rye - 20 Ibs/acre.
November 1 through February 15:
Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 Ibs/acre;
Winter Rye - 20 Ibs/acre.
MULCHING SPECIFICATIONS:
Straw or hay at a rate of 2 tons/acre. Must be anchored. Spread
with mulch blower or by hand.
LIME AND FERTILIZER SPECIFICATIONS:
Lime and fertilizer needs should be determined by soil tests. Soil
tests may be preformed by the Cooperative Extension Service Soil
Testing Laboratory at VPI&SU, or by a reputable commercial
laboratory. Information concerning the State Soil Testing Laboratory
is available from CITY Extension Agents. Under unusual conditions
where it is not possible to obtain a soil test, the following soil
amendments will be applied:
For Permanent Seeding: Seeded areas shall be limed at a rate of 2
tons per acre, and fertilized at a rate of 1,000 Ibs. per acre of
10-20-10 (10 lbs. per 1,000 square feet) or equivalent.
For Temporary Seeding: Seeded areas shall be limed at a rate of 2
tons per acre, and fertilized at a rate of 600 Ibs. per acre of
10-20-10 (10 lbs. per 1,000 square feet) or equivalent.
LOW MAINTENANCE GROUND COVER:
SOUTHEAST NATIVE GRASS SEED MIX (AMERICAN MEADOWS INC.)
For slopes steeper than 3:1 grade, Mix the following seeds at 30
Ibs/acre each, along with EC-2 Matting:
Virginia Wildrye (Elymus virginicus), Little Bluestem Grass
(Schizachyrium scoporium), Purpletop (Tridens flovus), Broomsedge
(Andropogon virginicus), and Indian Grass (Sorghostrum nutans).
9 PERMANENT SEEDING (PS
C $ Not To Scale
.,A
3,000 PSI
CONCRETE
4" - VDOT #21A
0 0O0O0O0O0O�O� BASESTONE
`COMPACTED SUBGRADE
7:1 Coarse Spray 1,200 MIN. CBR=6.0
TO BE FIELD VERIFIED
12.5:1 Fine Spray 235 1 o TYPICAL SIDEWALK SECTION
4:1 Fine Spray 300 C 8 Not To Scale
7:1 Coarse Spray
3.5:1 Coarse Spray
$ DUST CONTROL DC
C$ Not To Scale
450
350
•
�%I%I%I%I%I%I%I%I%I%l • • . r
•
•
SHIMP
ENGINEERING2
LAND PLANNING - PROJECT MANAGEMENT
912 E. HIGH ST. 434.227.5140
CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
,TH
U SHIIv1P
11
N0.45 183
A 2Is 12-3
�`fS1nArA1 8��1-'
VSMP PLAN FOR
SOUTH PANTOPS
DRIVE PARCEL
20R
ALBEMARLE COUNTY, VIRGINIA
SUBMISSION:
2022.04.27
REVISION:
1. 01.11.2023 VSMP Comments
2.02.21.2023 VSMP Comments
FILE NO.
ES&C DETAILS
22.002
5 )TEMPORARY SEDIMENT TRAP
C 8 Not To Scale
6 SAFTY FENCE SAF
C$ Not To Scale
11
C 8 Not To Scale
SEEDING RATE NORTHa SOUTHb
PLANT
all 5Il 8/15 2/IS s/1 9/1 CHARACTERISTICS
SPECIES A. 1000 fly m to to to 1.4/3o 8/15 un ontoo vn 11ns
OATS 3 bu. (up to 100 Ibs.. 2 Ibs. X - - % - - Use spsive vasiaiea (e.8�. Noble).
(Avw HIa not Iese 0150 16eJ
RYE° 2 W. (W to 110 Ibs., 2.5 It.. X - X X - X Um for late tall aedings, winter
(Swale cereal not lass Ditto SO Ibs.) cover. Tolmtee cold and low
moievve.
GERMAN MILLET 50 Its, appmx. 1 lb. - X - - X - W.. eenuel. Dies et f rst
(Sefuia iWiul troal. Mey be eddW to smmar
mixes.
ANNUAL RYEGRASS` 6016a. 1'h Ibs. % - X % - X May be Wdd in mixa. Will
({gJlMlp multi-Flomml mow w[ of mwl sNMs.
WEEPING 15 Ibs. 5'h X - - X - Warm-xemn perevniel. May
LOVEGRASS bush. Tolerates hot, dry slopes
fEnemstia ..IA mil acid, infertile soils. My be
added to mixes.
KOREAN 25 Ibs. approx.
1'h % X - X X - Werm sr*son umud legume.
LESPEDEZA` Ibs. Tolen[ea acid soils. May be
f�a a is iwlacul addm to mixes.
• Northam Piedmont and Mountain region. See Plates 3.22-1 and 3.22-2.
b Southern Piedmont and Coastal Plain.
e May be used as a cover crop with spring seeding.
d May be used as a cover crop with fall seeding.
X May be planted between these dates.
May nosy be planted between these dates.
-
'ITEMP01
C$ Not To Scale
TABLE 3.39-A
ADHESIVES USED FOR DUST CONTROL
Water Application
Dilution Type of Rate
Adhesive (Adhesive: Water) Nozzle Gallons/Acre
Anionic
Asphalt Emulsion
Latex Emulsion
Resin in Water
Acrylic Emulsion
(Non -Traffic)
Acrylic Emulsion
(Traffic)
PIPE OUTLET CONDITIONS
3do (MIN.)
IPE OUTLET TO WELL
IEFINED CHANNEL
1` ` °
D zrp
-�
d
SECTION A -A FILTER CLOTH KEY IN 6'-9"; RECOMMENDED FOR ENTIRE PERIL
NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED REPRAP, GABION
BASKET, OR CONCRETE.
2. La IS THE LENGTH OF THE RINRAP APRON AS CALCULATED
USING PLATES 3.18-3 AND 3,18-4.
3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT
LESS THAN 6 INCHES.
Q10 (cfs) La (ft) Do 3Do d5o depth Outlet
(ft) (ft) (in) (in) Condition
Al (OP) 8.03 10.0 1.25 3.75 6 18,00 Channel
OUTLET PROTECTION TABLE (OP
Not To Scale
PERMANENT SEEDING SPECIFICATIONS
February 16 through April 30:
Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 Ibs/acre;
Annual Rye - 20 Ibs/acre.
May 1 through August 15:
Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 Ibs/acre;
Foxtail Millet - 20 Ibs/acre.
August 16 through October 31:
Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 Ibs/acre;
Annual Rye - 20 Ibs/acre.
November 1 through February 15:
Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 Ibs/acre;
Winter Rye - 20 Ibs/acre.
MULCHING SPECIFICATIONS:
Straw or hay at a rate of 2 tons/acre. Must be anchored. Spread
with mulch blower or by hand.
LIME AND FERTILIZER SPECIFICATIONS:
Lime and fertilizer needs should be determined by soil tests. Soil
tests may be preformed by the Cooperative Extension Service Soil
Testing Laboratory at VPI&SU, or by a reputable commercial
laboratory. Information concerning the State Soil Testing Laboratory
is available from CITY Extension Agents. Under unusual conditions
where it is not possible to obtain a soil test, the following soil
amendments will be applied:
For Permanent Seeding: Seeded areas shall be limed at a rate of 2
tons per acre, and fertilized at a rate of 1,000 Ibs. per acre of
10-20-10 (10 lbs. per 1,000 square feet) or equivalent.
For Temporary Seeding: Seeded areas shall be limed at a rate of 2
tons per acre, and fertilized at a rate of 600 Ibs. per acre of
10-20-10 (10 lbs. per 1,000 square feet) or equivalent.
LOW MAINTENANCE GROUND COVER:
SOUTHEAST NATIVE GRASS SEED MIX (AMERICAN MEADOWS INC.)
For slopes steeper than 3:1 grade, Mix the following seeds at 30
Ibs/acre each, along with EC-2 Matting:
Virginia Wildrye (Elymus virginicus), Little Bluestem Grass
(Schizachyrium scoporium), Purpletop (Tridens flovus), Broomsedge
(Andropogon virginicus), and Indian Grass (Sorghostrum nutans).
9 PERMANENT SEEDING (PS
C $ Not To Scale
.,A
3,000 PSI
CONCRETE
4" - VDOT #21A
0 0O0O0O0O0O�O� BASESTONE
`COMPACTED SUBGRADE
7:1 Coarse Spray 1,200 MIN. CBR=6.0
TO BE FIELD VERIFIED
12.5:1 Fine Spray 235 1 o TYPICAL SIDEWALK SECTION
4:1 Fine Spray 300 C 8 Not To Scale
7:1 Coarse Spray
3.5:1 Coarse Spray
$ DUST CONTROL DC
C$ Not To Scale
450
350
•
�%I%I%I%I%I%I%I%I%I%l • • . r
•
•
SHIMP
ENGINEERING2
LAND PLANNING - PROJECT MANAGEMENT
912 E. HIGH ST. 434.227.5140
CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
,TH
U SHIIv1P
11
N0.45 183
A 2Is 12-3
�`fS1nArA1 8��1-'
VSMP PLAN FOR
SOUTH PANTOPS
DRIVE PARCEL
20R
ALBEMARLE COUNTY, VIRGINIA
SUBMISSION:
2022.04.27
REVISION:
1. 01.11.2023 VSMP Comments
2.02.21.2023 VSMP Comments
FILE NO.
ES&C DETAILS
22.002
5 )TEMPORARY SEDIMENT TRAP
C 8 Not To Scale
6 SAFTY FENCE SAF
C$ Not To Scale
11
C 8 Not To Scale
'ITEMP01
C$ Not To Scale
TABLE 3.39-A
ADHESIVES USED FOR DUST CONTROL
Water Application
Dilution Type of Rate
Adhesive (Adhesive: Water) Nozzle Gallons/Acre
Anionic
Asphalt Emulsion
Latex Emulsion
Resin in Water
Acrylic Emulsion
(Non -Traffic)
Acrylic Emulsion
(Traffic)
PIPE OUTLET CONDITIONS
3do (MIN.)
IPE OUTLET TO WELL
IEFINED CHANNEL
1` ` °
D zrp
-�
d
SECTION A -A FILTER CLOTH KEY IN 6'-9"; RECOMMENDED FOR ENTIRE PERIL
NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED REPRAP, GABION
BASKET, OR CONCRETE.
2. La IS THE LENGTH OF THE RINRAP APRON AS CALCULATED
USING PLATES 3.18-3 AND 3,18-4.
3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT
LESS THAN 6 INCHES.
Q10 (cfs) La (ft) Do 3Do d5o depth Outlet
(ft) (ft) (in) (in) Condition
Al (OP) 8.03 10.0 1.25 3.75 6 18,00 Channel
OUTLET PROTECTION TABLE (OP
Not To Scale
PERMANENT SEEDING SPECIFICATIONS
February 16 through April 30:
Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 Ibs/acre;
Annual Rye - 20 Ibs/acre.
May 1 through August 15:
Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 Ibs/acre;
Foxtail Millet - 20 Ibs/acre.
August 16 through October 31:
Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 Ibs/acre;
Annual Rye - 20 Ibs/acre.
November 1 through February 15:
Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 Ibs/acre;
Winter Rye - 20 Ibs/acre.
MULCHING SPECIFICATIONS:
Straw or hay at a rate of 2 tons/acre. Must be anchored. Spread
with mulch blower or by hand.
LIME AND FERTILIZER SPECIFICATIONS:
Lime and fertilizer needs should be determined by soil tests. Soil
tests may be preformed by the Cooperative Extension Service Soil
Testing Laboratory at VPI&SU, or by a reputable commercial
laboratory. Information concerning the State Soil Testing Laboratory
is available from CITY Extension Agents. Under unusual conditions
where it is not possible to obtain a soil test, the following soil
amendments will be applied:
For Permanent Seeding: Seeded areas shall be limed at a rate of 2
tons per acre, and fertilized at a rate of 1,000 Ibs. per acre of
10-20-10 (10 lbs. per 1,000 square feet) or equivalent.
For Temporary Seeding: Seeded areas shall be limed at a rate of 2
tons per acre, and fertilized at a rate of 600 Ibs. per acre of
10-20-10 (10 lbs. per 1,000 square feet) or equivalent.
LOW MAINTENANCE GROUND COVER:
SOUTHEAST NATIVE GRASS SEED MIX (AMERICAN MEADOWS INC.)
For slopes steeper than 3:1 grade, Mix the following seeds at 30
Ibs/acre each, along with EC-2 Matting:
Virginia Wildrye (Elymus virginicus), Little Bluestem Grass
(Schizachyrium scoporium), Purpletop (Tridens flovus), Broomsedge
(Andropogon virginicus), and Indian Grass (Sorghostrum nutans).
9 PERMANENT SEEDING (PS
C $ Not To Scale
.,A
3,000 PSI
CONCRETE
4" - VDOT #21A
0 0O0O0O0O0O�O� BASESTONE
`COMPACTED SUBGRADE
7:1 Coarse Spray 1,200 MIN. CBR=6.0
TO BE FIELD VERIFIED
12.5:1 Fine Spray 235 1 o TYPICAL SIDEWALK SECTION
4:1 Fine Spray 300 C 8 Not To Scale
7:1 Coarse Spray
3.5:1 Coarse Spray
$ DUST CONTROL DC
C$ Not To Scale
450
350
•
�%I%I%I%I%I%I%I%I%I%l • • . r
•
•
SHIMP
ENGINEERING2
LAND PLANNING - PROJECT MANAGEMENT
912 E. HIGH ST. 434.227.5140
CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
,TH
U SHIIv1P
11
N0.45 183
A 2Is 12-3
�`fS1nArA1 8��1-'
VSMP PLAN FOR
SOUTH PANTOPS
DRIVE PARCEL
20R
ALBEMARLE COUNTY, VIRGINIA
SUBMISSION:
2022.04.27
REVISION:
1. 01.11.2023 VSMP Comments
2.02.21.2023 VSMP Comments
FILE NO.
ES&C DETAILS
22.002
5 )TEMPORARY SEDIMENT TRAP
C 8 Not To Scale
6 SAFTY FENCE SAF
C$ Not To Scale
11
C 8 Not To Scale
OUTLET PROTECTION TABLE (OP
Not To Scale
PERMANENT SEEDING SPECIFICATIONS
February 16 through April 30:
Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 Ibs/acre;
Annual Rye - 20 Ibs/acre.
May 1 through August 15:
Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 Ibs/acre;
Foxtail Millet - 20 Ibs/acre.
August 16 through October 31:
Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 Ibs/acre;
Annual Rye - 20 Ibs/acre.
November 1 through February 15:
Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 Ibs/acre;
Winter Rye - 20 Ibs/acre.
MULCHING SPECIFICATIONS:
Straw or hay at a rate of 2 tons/acre. Must be anchored. Spread
with mulch blower or by hand.
LIME AND FERTILIZER SPECIFICATIONS:
Lime and fertilizer needs should be determined by soil tests. Soil
tests may be preformed by the Cooperative Extension Service Soil
Testing Laboratory at VPI&SU, or by a reputable commercial
laboratory. Information concerning the State Soil Testing Laboratory
is available from CITY Extension Agents. Under unusual conditions
where it is not possible to obtain a soil test, the following soil
amendments will be applied:
For Permanent Seeding: Seeded areas shall be limed at a rate of 2
tons per acre, and fertilized at a rate of 1,000 Ibs. per acre of
10-20-10 (10 lbs. per 1,000 square feet) or equivalent.
For Temporary Seeding: Seeded areas shall be limed at a rate of 2
tons per acre, and fertilized at a rate of 600 Ibs. per acre of
10-20-10 (10 lbs. per 1,000 square feet) or equivalent.
LOW MAINTENANCE GROUND COVER:
SOUTHEAST NATIVE GRASS SEED MIX (AMERICAN MEADOWS INC.)
For slopes steeper than 3:1 grade, Mix the following seeds at 30
Ibs/acre each, along with EC-2 Matting:
Virginia Wildrye (Elymus virginicus), Little Bluestem Grass
(Schizachyrium scoporium), Purpletop (Tridens flovus), Broomsedge
(Andropogon virginicus), and Indian Grass (Sorghostrum nutans).
9 PERMANENT SEEDING (PS
C $ Not To Scale
.,A
3,000 PSI
CONCRETE
4" - VDOT #21A
0 0O0O0O0O0O�O� BASESTONE
`COMPACTED SUBGRADE
7:1 Coarse Spray 1,200 MIN. CBR=6.0
TO BE FIELD VERIFIED
12.5:1 Fine Spray 235 1 o TYPICAL SIDEWALK SECTION
4:1 Fine Spray 300 C 8 Not To Scale
7:1 Coarse Spray
3.5:1 Coarse Spray
$ DUST CONTROL DC
C$ Not To Scale
450
350
•
�%I%I%I%I%I%I%I%I%I%l • • . r
•
•
SHIMP
ENGINEERING2
LAND PLANNING - PROJECT MANAGEMENT
912 E. HIGH ST. 434.227.5140
CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
,TH
U SHIIv1P
11
N0.45 183
A 2Is 12-3
�`fS1nArA1 8��1-'
VSMP PLAN FOR
SOUTH PANTOPS
DRIVE PARCEL
20R
ALBEMARLE COUNTY, VIRGINIA
SUBMISSION:
2022.04.27
REVISION:
1. 01.11.2023 VSMP Comments
2.02.21.2023 VSMP Comments
FILE NO.
ES&C DETAILS
22.002
5 )TEMPORARY SEDIMENT TRAP
C 8 Not To Scale
6 SAFTY FENCE SAF
C$ Not To Scale
11
C 8 Not To Scale
EARTH FILL NOTES
ar At 401lDine, e . M.VA Nonh 2NO2wing
County of Albemarle caa Talepho VA *2%-4579
•7 ?elephant 4142965832
COMMUNITY DEVELOPMENT DEPARTMENT WWW.ALBEMARLE.ORG
4
Construction Record Drawings (As -built) and Required
Documents for VSMP
The following is a list of doclunents and infetmation required on construction record drawings for stormwaler
facilities (reference Water Protection Ordinance 17422). It is preferable that The construction record drawing
be prepared by someone orher than the designer. Please do nor provide design drawings as construcrion
record drawings_
Fee 5353.be (fee includes the 4% Technology Fee).
Record (as -built) drasvine reguiremenls:
1) A signed and dated professional seal of the preparing engineer or surveyor.
2) The name and address of the firm and individual preparing the drawings on the tide sheet-
3) Include "as -built drawing" or "record drawing" on the title sheet.
4) Show 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:
a) Updated Location with geo-coordinates (nodhingleasting) of all facilities.
b) Verified Drainage Area maps for the drainage area treated, and for drainage to the facilities.
c) 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
deviations from the design.
d) Plants, location and type.
e) Plans and profiles for all cuhverts, 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.
f) Ditch Lines — Display the constructed location of all ditch lines and channels, includingtypical sections
and linings.
g) Cuardrail, fences or other safety provisions — Display the constructed location of all safety
provisions; fences, guardrail, including the type, length and applied end treatments, comparedto design.
h) Access roads — show location of access roads, surface treatment, drainage, etc, as applicable.
i) Easements — Show all platted easements with deed book references labeled. Facilities and drainage
must be within platted casements. Provide copies of rccordcd documents.
Additional Documentation Reauired with the As -built Submittal:
5) Material layers— biofilter media stone layers, sand layers, keyways and cores must be verified i s to
material types and depths. Provide inspection reports, boring or test pit reports and materials certifications.
Biofilter media must be an approved state mix.
6) Inspection Records and photographs for pipe trenches and bedding, including undetdrains and filter fabric.
7) Video Pipe Inspection for any pipes which are not viewable without the need to enter a confined space.
9) Computations — For significant deviations from design, provide sealed computations verifyingthat the
as -built condition is equivalent or exceeds design requirements.
9) Compaction reports are required verifying fill compaction in dams.
10) Manufacturer(s) certifications) for proprietary BMP's certifying. proper installation and functioning.
415
410
405
400
395
390
385
380
375
CONSTRUCTION RECORD DRAWING (AS —BUILT
NO SCALE
�
s PROFILE A4— A5
C9 SCALE:1=30
415
410
405
400
395
390
385
380
375
0�70
1. Material - Fill material should be taken from an approved, designated borrow
area. It should be free of roots, stumps, wood, rubbish, stones greater than
6 inches, and frozen or other objectionable materials. Fill material for the
center of the embankment and the cutoff trench should conform to Unified
Soil Classification GC, SC, or CL. Consideration may be given to the use of
other materials in the embankment based on the recommendations of a
geotechnical engineer supervises the design and construction.
2. Placement - Areas on which fill is to be placed should be scarified before its
placement. Fill material should be placed in layers a maximum of 8 inches
thick (before compaction), which should be continuous over the entire length
of the fill. The most permeable borrow material should be placed in the
downstream portions of the embankment. The principal spillway must be
installed concurrently with fill placement and not excavated into the
embankment.
3. Compaction - Fill material should be compacted with appropriate compaction
equipment such as a sheepsfoot, rubber —tired or vibratory roller. The number
of required passes by the compaction equipment over the fill material may
vary with soil conditions. Fill material should contain sufficient moisture such
that the required degree of compaction will be obtained with the equipment
used. The minimum required density is 95% of maximum dry density with a
moisture content within 2% of the optimum, unless otherwise specified by
the engineer. Each layer of the fill should be compacted as necessary to
obtain minimum density and the engineer should certify, at the time of
construction, that each fill layer meets the minimum density requirement. All
compaction is to be determined by either Standard Proctor Test (ASTM
D698) or the Modified Proctor Test (ASTM D1557) as directed by the
geotechnical engineer based on site and soil conditions and the size and
type of structure being built.
4. Cutoff Trench - The cutoff trench should be excavated into impervious material
along or parallel to the centerline of the embankment as shown on the
plans. The equipment used for excavation should govern the bottom width of
the trench, with the minimum width being 4 The depth should be at least 4
feet below existing grade or as shown on the plans. The side slopes of the
trench should be 1H:1V or flatter. The backfill should be compacted with
construction equipment, rollers, or hand tampers to assure maximum density
and minimum permeability.
5. Top Soil - The surface layer of compacted fill should be scarified prior to
placement of at least 6 inches of topsoil. The topsoil shall be stabilized with
in accordance with the Virginia Erosion and Sediment Control Handbook,
latest edition.
11/07Ou 94i"
.... ..M .'mi".
Ptasttc
HMV TRASH RACK sauTIONS
New Trash Rack
1" Holes
30% Opening Area
00000
000000
0°0°0°
12" 0000000
000000
000000
O O 0
6"
Typ. Front Section
0O 0
12" 000
00000
000000
1— 6"-4
(A) Bottom Rack
Side Section
3 ) ORIFICE TRASH RACK DETAIL
C9 J NO SCALE
425
420
415
410
405
400
3%+70 10+00
B1 B2
Iw
MMM
$A
425
420
415
410
405
400
10+5:p5
7 PROFILE B1— B2
C Q SCALE: 1':30"
5.
400
395
390
385
380
375
370
365
360
3
Al (A 2)
(A 3)
0
w
O
x
Z
a
iv
�
[n (S
EXISTING GRADE
30" ACCESS
ELEV=3
M
_
E DETAIL
�E )
o
20 LF -
® 5.107
L
200 FT CMP DETENTION PIPE
6' DIAMETER
II rPIPE A4 IN
IY
15 HDPE)
zoo.o'
-
ON
BOTTOM STONE
=379.0D
12- y 57 STONE BEDDING
ONWOVEN
AP IN MFILTER FABRIC,
39
1 "
0
M
O
O 't
O
0
0
W
—
co
-----------------
> >>
>>
Z Z
Z
Z
Z
GO
U9+50
10+00
WEIR ELE=385.00'
DIM=6'X6'
ORIFICE
— — — — — — — — ELE=383.00' NO TRASH RACK
-- INV ELE=380.00-------
2" ORIFICE J /
(A) BOTTOM TRASH
aery
4 WEIR DETAIL
C9 NO SCALE
395
390
385
380
10-
375
10+50
11+00
11+50
12+00
PROFILE PIPE Al TO DETENTION SYSTEM PROFILE
Scale: 1=30
MH FRAME & COVER
PREMANUFACTURED
RISER STUB
1
I I
I I
I �
WELD LADDER TO ACCESS
RISER. CONTINUE LADDER
DOWN TO 8' CMP DETENTION
INVERT
30" CMP RISER
6' CMP DETENTION
5 ACCESS RISER DETAIL
C9 NO SCALE
LL
o
RISER
0,00'
EXISTING GRADE
30" ACCESS
ELEV=3
LLJ
O
12' # 57 STONE COVER
0
CO
100-YR ELE=385.72'
----J2
250 0
TOP PIPE=386.00
10-YR ELE=385.19'
00,
200 FT
CMP DETENTION
PIPE
1-YR ELE=382.83'
72" CMP
_____.NWEIR
PLATE
HEIGHT=5.0'
TOP PIPE=380.00
0
12 57 STONE BEDDING
Lf�
-50
11 +00
114
Cn
8 ) DETENTION SYSTEM PROFILE
C9 Scale-.1=10
12+50
400
395
390
385
380
375
370
365
35660
13+CP 5
NOTES
1. DETENTION SYSTEM SLOPE
0.00%
SHIMP
ENGINEERIN 32
LAND PLANNING - PROJECT MANAGEMENT
912 E. HIGH ST. 434.227.5140
CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
,TH
U . SHIMP
No. 45183
AV 212112.3
0
VSMP PLAN FOR
SOUTH PANTOPS
DRIVE PARCEL
20R
ALBEMARLE COUNTY, VIRGINIA
SUBMISSION:
2022.04.27
REVISION:
1. 01.11.2023 VSMP Comments
2.02.21.2023 VSMP Comments
50 FILE NO.
22.002
SWM FACILITIES DETAILS
C9
SOUTH PANTOPS DRIVE - PARCEL 20R
Modified LD-268 Roadside and Median Ditch Design Form
Dosing Storm
Side Slope
Min.
Max
n=0.015 Concrete 0.04
Ditch
C
A
CA
Tot
I - tin
12
110
0-1in
02
010
:1 L
:1 R
Slope
Slope
Allowable
Velocity
2-yr
10-yr
Matting
Type
Freeboard
Channel Designed
Depth
SF
AC
INCR
ACC
Ft/Ft
Ft/Ft
'Velocity
"'Depth
'Velocity
"Depth
1
0.47
88370
2.03
0.95
0.95
5.0
1.0
5.17
6.81
0.95
6.12
11.81
3
3
0.23
0.34
2Q0
17.36
0.35
17.67
0.48
EC-3
TYPE II
1132
0.80
'Velocity calculations performed using maximum slope for this application
-Depth calculations performed using minimum slope for this application
"' 02 & 010 Mow from hydroCAD Structure channel DA
1 1,D-268 DITCH DESIGN
-
C 10 Not To Scale
SOUTH PANTOPS DRIVE - PARCEL 20R
LD-204 Storm\ ter Inlet Computations
Inlets on Grade Only
Sag Inlets Only
y
o
m
U
L
a
z
v
x
`s
o
seso
«
ii
se
u
ed
c
sad
a
a
t
m
r
x
S
S
U a
z
1
s
a
CY
15
F
G
e
a
a
z
d
1
2
3
5
6
8
9
10
11
12
13
14
15
1 16
17
18
19
20
21
22
23
24
(ft)
(ac)
(in/hr)
(cfs)
(cfs)
(d3)
(l1
(1)
1
(ft)
(ft)
(d's)
(cfs)
(11)
(ft)
(f0
A
DI-2
8'
0.40
0.87
0.35
4.00
1.40
0.000
1.40
0.015
0.020
0.054
0.083
0.18
-
-
8.97
6.5
2.28
0.000
2.28
0.25
12.28
2 )LD-204 INLET COMPUTATIONS
C10 J Not To Scale
SOUTH PANTOPS DRIVE - PARCEL 20R
LD-229 STORM DRAIN
DESIGN COMPUTATIONS
From
To
Catch.
Runoff
Inc
Accum
ToC
Total
Total
Up
Dr.
Pipe
Inv
Pipe
Pipe
Velocity
Flowtime
Pout
Point
Area
Coef
AC
AC
Intensity
Flow(cfs)
invert
Invert
Length
Slope
Diameter
Capacity
Inc
(ac)
(min)
(in/hr)
El
II
(ft)
%
(in)
(cfs)
(ft/s)
(min)
1
2
3
4
5
6
7
8
9*
10
11
12
13
14
15
16
17
A5
A4
0.40
0.87
035
0.35
5.00
5.17
1.81
391.00
383.00
55.2
14.49%
15
26.64
12.39
0.02
*A3
A2
0.35
5.02
5.16
8.03
380.00
378.00
39.2
1 5.10%
15
25.70
12.85
0.02
*A2
Al
0.35
5.02
5.16
8.05
374.00
370.03
32.3
1 12.29%
1 15
39.89
17.67
0.01
Flow from hydroCAD Q10-Year
LEGEND
�� VRRM IMPERVIOUS VRRM TURF
71 VRRM WOODS SWM FOREST / OPEN SPACE
POST-DEV DA MEADOW
I r -
x
Ia
OU
_ l
PR LOPE � \ (.
:0 4 :1 160 22,tiI
80
3 )LD-229 STORM DRAIN DESIGN
C10 Not To Scale
NEW VRRM as DRAINAGE MAP
SOUTH PANTOPS DRIVE PARCEL 20R
REVISION DATE: FEBRUARY 16, 2023
-
,
WOOD ---- -
SWM FOREST/ OPEN
SPACE TO BE
DEDICATED 3.24 ACRES
------ ._a. as
-. �" �� r
t�7B,�-AR£1,EL3OR
RIVANNA RIVER
5 NEW VRRM MAP
C 10 Not To Scale
TOTAL
LIMITS OF
DISTURBANCE
1.20 ACRES
LEGEND
POST-DEV DA WOODS
POST-DEVDATURF
o® POST-DEV DA IMPERVIOUS
POST-DEV DA MEADOW
LIMITS OF DISTURBANCE
POST -DITCH DA TOTAL
-� POST -INLET DA TOTAL
y ; L
/max as
loll I `
OUTFALL \ ` �\ FileI
50 0 50 100 150
ALE 11
SCGIe:
1 "=50'
STORMWATER MANAGEMENT NARRATIVE:
WATER QUALITY:
DITCH & INLET DRAINAGE MAP
SOUTH PANTOPS DRIVE PARCEL 20R
DATE: 10 JANUARY 2023
4 CHANNEL DA MAP
-
C 10 Not To Scale
1. PER THE NEW VRRM SPREADSHEET, NO FURTHER TOTAL PHOSPHOROUS TREATMENT IS
REQUIRED.
2. WATER QUALITY WILL BE PROVIDED WITH DEDICATION OF 3.24 ACRES LAND INTO A SWM
FOREST/OPEN SPACE EASEMENT.
3., CONCENTRATED RUNOFF RELEASE TO THE OUTFALL IS CONTAINED WITHIN ADEQUATE
MANMADE CHANNEL. Ref LID 268 DITCH DESIGN ANALYSIS.
QFQ Wrylnla R..ffRcduRxon Method New QeMpospenr Coapple. 5drepCibM - Versbn 3.0
C: 30118MP Standards and Specifications 030130raa BMPSbMards andspeeMeanons
pojM W:M: 1 spuds Pappas ores Parcel t0a dads input ftlx
0n: I 3/al/Z023 wmMm values
EVP0e:91 sP+dl'roamatxa =3DrpftWshspers [Yosatlentel%
irte Information
Project (Treatment Volume and Loads)
rdl6Wnts
noel Pa nfall rrcaal 43
T2a .11 -a, antes, 3.W
, rvs1T>I EMCImyY) 0.3fi
u Na Len ITN)EMC myy 1.efi
1, Ioae)e/acre/scl OA1
-mmcron.-, 0.90
3.24
0.34
a.m.Me'a sa.asrM
Aside
1 pmY.
ctaY.
OSIr
0.in
iU.03
n04
U.03
Mrmgdiut
0.30
0.23
0.35
InpnNous(m
%
0.95
0.R
0.95
0.95
raWopenspaxcwerWcl
3.:4
Trtapnem Volume
pafix9
lac,. xl
TrsaTvm Volumalcuak retlt
rP Luaa00/yrl vn
TN loaaxx 3x
lomrmamnd llL P. osas Onl
WelgMed RvlMan
0.03
,",and,
n%
Mana6ed Tud lanml
0.3a
Welland as Dull
p.lo
%MenssWT.d
8%
order (point
0.62
M(ImpmNwe)
0.95
%Ftp..bl.
]59{
6Pe Rlu:
0.ID
9Ie
O.Y
N NEIT W AT-PPAki SPREADSHEET
C 10 J Not To Scale
00n000r O� 0
Sf1IMPENGNNEERNNG, P,Cr
FA7dNCFNNG-LVlVMffiW -MOAU uAM02010161"
" elu lmury aM.e m : i aa.aa M.mN. "�
SHIMP
ENGINEERING
LAND PLANNING - PROJECT MANAGEMENT
912 E. HIGH ST. 434.227.5140
CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
711
U . SHIMP
7,No. 45183
12112.3
0
1631SiiAI 10;4�
VSMP PLAN FOR
SOUTH PANTOPS
DRIVE PARCEL
20R
ALBEMARLE COUNTY, VIRGINIA
SUBMISSION:
2022.04.27
REVISION:
1. 01.11.2023 VSMP Comments
2.02.21.2023 VSMP Comments
FILE NO.
22.002
WATER QUALITY ANALYSIS
AND DITCH DA MAP
C10
STORMWATER MANAGEMENT NARRATIVE:
PREDEV DRAINAGE MAP
SOUTH PANTOPS DRIVE PARCEL 20R
REVISION DATE: 16 FEBRUARY 2023
-_---------------
toot
■ ■ ■ ■
•.
PREDEV DRAINAGE MAP
SOUTH PANTOPS DRIVE PARCEL 20R
REVISION DATE: 16 FEBRUARY 2023
NOTE: AREA SHEET FLOW IS NOT
SUBJECT TO ANALYSIS FOR
CONCENTRATION RUN—ON. AS
THERE IS NOT DOWNSTREAM
IMPACT FOR INCREASED VOLUMES
OF SHEET FLOW RUNOFF.
�88.
LEGEND
0 PRE-DEV DA WOODS
PRE-DEVDA TURF
® PRE-DEV DA IMPERVIOUS
1 PRE DA MAP
C 11 Not To Scale
(POST DA,
2.62 AC
0
,t
23B
HSG: B
r x
TURF
x
0
SHIMPENGINEENNG, P.C.
>iNcn�INc-LLYDMAN>7i1G-rxa�cr Mayar,�vr
WATER FLOW DIRECTIONAL ARROW
w LIMITS OF DISTURBANCE
■■■■ PRE-DEVDA TOTAL
AREA
ACRES
-" TOTAL LIMITS OF
DISTURBANCE�;�
1.20 ACRES
I I \•^`. SHEET FLOW -43E— �� `•�
OUTFALL �� �. �, '�AREA= 0.10 AC --- .----------
—,---,� y
7
'.»--�-- �� _-�- " G: B � PRESERVED
__. - -,'-- I
SLOPE .�.,..✓"'�- .1+ — \ _
-------- --- ;_� �- LEGEND
13E- ii POST-DEV DA WOODS
I' HSGf-� �n _- _ ___ - - — - — _ . _ -
POST-DEVDA TURF
100 0 100 200 300 POST-DEV DA IMPERVIOUS
EL
SCALE: 1 "=100' POST-DEV DA MEADOW
2 POST DA MAP
C11 Not To Scale
SHIMPENGINEERING, P.C.
EIVOREERING-LIM1F/AV0V-FR01&^fM9NAG810ff
7
B
f 236
\ HBO: B
e
WATER FLOW DIRECTIONAL ARROW
— — LIMITS OF DISTURBANCE
■■■■ POST-DEVDA TOTAL
DA DETENTION PIPE
WATER QUANTITY
THE RUNOFF
FROM THIS DEVELOPMENT IS RELEASED INTO
THE
MANMADE
CHANNEL IN COMPLIANCE WITH QUANTITY REGULATION DETAILED IN
9VAC25-870-66—B(3)A
(CHANNEL PROTECTION) AND 9VAC25-870-66—C(3).0
(FLOOD PROTECTION):
SWIM QUANTITY IS SATISFIED BY ANALYZING CONCENTRATED RUNOFF FROM THE DEVELOPMENT AT THE SITE OUTFALL AT THE SOUTHWEST CORNER OF
THE DEVELOPMENT PROPERTY. 9VAC25-870-66—B(3)A REQUIRES THAT CONCENTRATED RUNOFF FROM DEVELOPMENT AT THE SITE OUTFALL MEET
THE ENERGY BALANCE EQUATION. TO ACHIEVE THIS, CONCENTRATED RUNOFF FROM THE LIMITS OF DISTURBANCE AREA WILL BE ROUTED TO AN
UNDERGROUND DETENTION FACILITY AND THEN TO THE SITE OUTFALL.
WHEN THE ENERGY BALANCE EQUATION IS BEING USED TO DETERMINE THE ALLOWABLE DISCHARGE, THE IMPROVEMENT FACTOR WOULD NEED ONLY
BE APPLIED TO THE "SITE" AS PER THE REGULATORY LANGUAGE OF 9VAC25-870.66.B.3 IN THIS CASE, THE APPLICATION OF ENERGY BALANCE TO
THE DISCHARGE FROM THE SITE WOULD BE CALCULATED AS FOLLOWS:
RVIPre, site RVIPre, offsite
Q3 Post � Ql Presite �l F� + Q3 Pre,offsite
RVipost, site RVipost,offsfta
Table I : Energy Balau Ce Equahuu Summary
Q11'w(NI..Allowed)(Cfs)
Q1Post(_N1ax Achieled)(Cfs)
JOUTFALLI
1.85
1.77
NOTE: 0.10 ACRES (THE RELATIVELY FLAT AREA ABOVE THE DETENTION PIPE) WILL SHEET FLOW INTO THE ONSITE WOODS WITH NO DOWNSTREAM
IMPACT. THIS AREA IS IDENTIFIABLE ON PLANS AND IN THE FIELD AS AN EXISTING FLAT "BENCH" ON THE SLOPES THERE. THE SURFACE OF THIS
AREA IS MOSTLY COMPACTED SOIL WITHOUT UNDERGROWTH DUE TO HUMAN ACTIVITY. WHEN THIS AREA IS REGRADED AND STABILIZED, WE EXPECT
LESS RUNOFF VOLUME FROM THIS "BENCH". FOR THESE REASONS, RUNOFF FROM THIS 0.10—ACRE AREA COMPLIES WITH 9VAC25-870-66—D.
CHANNEL PROTECTION:
CONCENTRATED RUNOFF FLOWING THRU THE SITE SHALL BE ROUTED VIA NEW STORM DRAINS INTO THE NATURAL CHANNEL WHICH WILL RELEASE
RUNOFF AT RATES WHICH COMPLY WITH THE ENERGY BALANCE EQUATION 9VAC25-870-66—B(3)A.
FLOOD PROTECTION:
TO MEET FLOOD PROTECTION REQUIREMENTS POST —DEVELOPMENT RUN—OFF WILL BE DISCHARGED INTO A CHANNEL WHICH IS LOCATED IN A MAPPED
FLOODPLAIN. THUS, THIS IS THE LIMITS OF ANALYSIS AND NO FURTHER ANALYSIS IS REQUIRED. CONCENTRATED RUNOFF RELEASE TO THE OUTFALL
IS CONTAINED WITHIN ADEQUATE MANMADE CHANNEL. REF LD-268 DITCH DESIGN ANALYSIS. THIS IS COMPLIANT 9VAC25-870-66—C(3).0
South Pantops Drive Parcel -20R
(is
2S
Pre_Ons"te /re—Offsite
2L
OUTFALL
Subcat Reach on Link Drainage Diagram for Pre Dev NEW LOD
Prepared by (enter your company name here), Printed 2/20/2023
HydroCADS 9.10 s1n 07054 02010 HydroCAD Software Solutions LLC
(is
\ Post_Onsite Date
MANAGED
South Pantops Drive Parcel - 20R
2S
Post—Offsh 3 Managed
3S
Po _Onsite
5P UN NAGED
6L
OUTFALL
Subcat Reach 0, Rk
UNMANAGED
SHIMP
ENGINEERING
LAND PLANNING - PROJECT MANAGEMENT
912 E. HIGH ST. 434.227.5140
CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
,TH
U SHIMP
Ip
N0.45183
A 2121 l23 wk'
0
�`S'S1nArA1 B�
VSMP PLAN FOR
SOUTH PANTOPS
DRIVE PARCEL
20R
ALBEMARLE COUNTY, VIRGINIA
SUBMISSION:
2022.04.27
REVISION:
1. 01.11.2023 VSMP Comments
2.02.21.2023 VSMP Comments
FILE NO.
DRAINAGE MAPS
22.002
C11