HomeMy WebLinkAboutWPO201900021 Study 2019-03-26of AL COUNTY OF ALBEMARLE
Department of Community Development
�L 401 McIntire Road, North Wing
Charlottesville, Virginia 22902-4596
r Tel. (434) 296-5832 • Fax (434) 972-4126
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Stormwater Pollution Prevention Plan (SWPPP)
For Construction Activities At:
Project Name: UVA Research Park Loop Road
WPO#
Address: 4211 Lewis and Clark Drive
Charlottesville, Virginia 22911
Prepared by:
Timmons Group
608 Preston Avenue, Suite 200
Charlottesville, VA 22903
434.295.8317
Prepared for:
University of Virginia Foundation
P.O. Box 400218
Charlottesville, VA 22911
Contact: Todd Marshall
434.924.2569
SWPPP Preparation Date: March 25, 2019
(This document is to be made publicly available according to 9VAC25-880-70, Part II, section D)
Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
CONTENTS: (from Albemarle County Code Sec. 17-405)
1. Registration statement
2. Notice of general permit coverage
3. Nature of activity
4. Erosion and Sediment Control Plan.
5. Stormwater Management Plan
6. Pollution Prevention Plan.
7. Discharges to impaired waters, surface waters within an applicable TMDL
wasteload allocation, and exceptional waters.
8. Qualified personnel
9. Signed Certification
10. Delegation of authority.
11. General permit copy
12. Inspection logs
Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
Section 1. Registration statement
(Provide a signed completed copy of the DEQ registration statement)
Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
Registration Statement
General VPDES Permit for Discharges of Stormwater from Construction Activities (VAR10)
(Please Type or Print All Information)
1. Construction Activity Operator: (General permit coverage will be issued to this operator. The Certification in Item #12 must be
signed by the appropriate person associated with this operator.)
Name: University of Virginia Foundation
Contact: Todd Marshall
Mailing Address: P.O. BOX 400218
city: Charlottesville State: VA zip: 22904 Phone: 434-924-2569
2.
3.
Email address (if available):
Indicate if DEQ may transmit general permit correspondence electronically: Yes
Existing General Permit Registration Number (for renewals only):
Name and Location of the Construction Activity:
Name: UVA Research Park Loop Road
Address (if available): 4211 Lewis and Clark Drive
city: Charlottesville state: Virginia
No ❑
County (if not located within a City): Albemarle
Latitude (decimal degrees): 38.146487 Longitude (decimal degrees):-78.438957
Name and Location of all Off -site Support Activities to be covered under the general permit:
Name:
zip: 22911
Address (if available):
City: State: Zip:
County (if not located within a City):
Latitude (decimal degrees): Longitude (decimal degrees):
4. Status of the Construction Activity (check only one): Federal ❑ State ❑ Public ❑ Private
5. Nature of the Construction Activity (e.g., commercial, industrial, residential, agricultural, oil and gas, etc.):
Commercial
6. Name of the Receiving Water(s) and Hydrologic Unit Code (HUC):
Name: Rlyanna Name:
HUC: 02080204 HUC:
7. If the discharge is through a Municipal Separate Storm Sewer System (MS4), the name of the MS4 operator:
8. Estimated Project Start and Completion Date:
Start Date (mm/dd/yyyy): 08/01 /2019 Completion Date (mm/dd/yyyy): 08/01 /2020
9. Total Land Area of Development (to the nearest one -hundredth acre): 455.85
Estimated Area to be Disturbed (to the nearest one -hundredth acre): 4.66
10. Is the area to be disturbed part of a larger common plan of development or sale? Yes 9 No ❑
11. A stormwater pollution prevention plan (SWPPP) must be prepared in accordance with the requirements of the General
VPDES Permit for Discharges of Stormwater from Construction Activities prior to submitting this Registration Statement.
By signing this Registration Statement the operator is certifying that the SWPPP has been prepared.
12. Certification: "I certify under penalty of law that I have read and understand this Registration Statement and that this document
and all attachments were prepared in accordance with a system designed to assure that qualified personnel properly gathered and
evaluated the information submitted. Based on my inquiry of the person or persons who manage the system or those persons
directly responsible for gathering the information, the information submitted is to the best of my knowledge and belief true,
accurate, and complete. I am aware that there are significant penalties for submitting false information including the possibility of
fine and imprisonment for knowing violations."
Printed Name: Title:
Signature: Date:
(Please sign in INK. This Certification must be signed by the appropriate person associated with the operator identified in
Item #1.)
07/2014 Page 1 of 1
Section 2. Notice of general permit coverage
(This notice is to be posted near the main entrance according to 9VAC25-880-70, Part II, section C.)
(Provide a copy of the DEQ coverage letter when obtained)
Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
Section 3. Nature of activity
(Provide a detailed narrative of the construction activities. Include or reference a construction schedule
and sequence. Include any phasing.)
This project includes the construction of a new private road and associated utilities and site work. Limits
of disturbance is 4.66 acres.
These improvements are being made within the property boundary. The property is bounded by
Innovation Drive and Hollymead Fire and Rescue Station to the east, and some industrial, mostly vacant,
wooded parcels to the north, west and south.
All construction shall take place in accordance with the Erosion and Sediment Control Sequence of
Installation on plan sheet C3.0. Estimated construction dates are as indicated on the Registration
Statement.
0
Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
Section 4. Erosion and Sediment Control Plan.
(Provide a reduced, 11x17 copy of the latest Erosion and Sediment Control Plan. Do not reference
only.)
Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
EROSION AND SEDIMENT CONTROL NARRATIVE:
PROJECT DESCRIPTION
THIS PROJECT INCLUDES THE CONSTRUCTION OF A NEW ROAD AND ASSOCIATED UTILITIES AND SITE WORK
LIMITS OF DISTURBANCE IS 4.66 ACRES.
ADJACENT PROPERTY
THE PROPERTY IS BOUNDED BY INNOVATION DRIVE AND HOLLYMEAD FIRE RESCUE STATION TO THE EAST,
AND SOME INDUSTRIAL MOSTLY VANCANT WOODED PARCELS TO THE NORTH, WEST AND SOUTH.
EXISTING SITE CONDITIONS
THE SITE IS CURRENTLY MOSTLY WOODED WITH SLOPED TERRAIN AND STREAMS THAT FEED INTO A STREAM
AND WETLANDS.
PERMITTING
THE OWNER SHALL OBTAIN ALL REQUIRED STATE AND FEDERAL PERMITS INCLUDING VDEQ INDIVIDUAL
PERMIT, VRMC GENERAL PERMIT, OR US ACE NATIONWIDE PERMIT (WETLAND IMPACTS) ETC.
OFF -SITE AREAS
NO OFFSITE AREAS WILL BE DISTURBED AS PART OF CONSTRUCTION.
CRITICAL EROSION AREAS
EXTRA ATTENTION AND SPECIAL CARE SHALL BE GIVEN TO EROSION CONTROL MEASURES UPSTREAM OF
WETLAND AREAS TO MAKE SURE THEY ARE IMPLEMENTED AND MAINTAINED CORRECTLY TO PROTECT
WETLANDS.
EROSION AND SEDIMENT CONTROL MEASURES
UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL
PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND
SPECIFICATIONS OF THE CURRENT ADDITION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL
HANDBOOK. THE MINIMUM STANDARDS OF THE VESCH SHALL BE ADHERED TO UNLESS OTHERWISE WAIVED
OR APPROVED BY A VARIANCE BY LOCAL AUTHORITIES HAVING JURISDICTION.
STORMWATER RUNOFF CONSIDERATIONS
A PORTION OF THE DISTURBED AREA, ON THE EASTERN SIDE OF THE PROJECT, DRAINS TO A LARGE
WETPOND THAT WAS DESIGNED TO HANDLE STORMWATER QUANTITY FOR THE FULL BUILD OUT OF THE
RESEARCH PARK. THE WESTERN PORTION OF THE PROJECT DRAINS TO A DRY DETENTION POND DESIGNED
TO HANDLE THIS AREA OF DISTURBANCE.
STRUCTURAL PRACTICES:
1. TEMPORARY CONSTRUCTION ENTRANCE - 3.02 A TEMPORARY CONSTRUCTION ENTRANCE SHALL BE
PROVIDED AT THE LOCATION INDICATED ON THE PLANS. IT IS IMPERATIVE THAT THIS MEASURE BE
MAINTAINED THROUGHOUT CONSTRUCTION. ITS PURPOSE IS TO REDUCE THE AMOUNT OF MUD
TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF.
2. SILT FENCE BARRIER - 3.05 SILT FENCE SEDIMENT BARRIERS SHAL L BE INSTALLED DOWNSLOPE OF
AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT -LADEN RUNOFF FROM SHEET FLOW AS INDICATED.
ITS PURPOSE IS TO INTERCEPT SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS AND PREVENT
SEDIMENT FROM LEAVING THE SITE.
3. STORM DRAIN INLET PROTECTION - 3.07 STONE FILTERS SHALL BE PLACED AT THE INLET OF ALL
DRAINAGE STRUCTURES AS INDICATED ON PLANS. ITS PURPOSE IS TO PREVENT SEDIMENT FROM
ENTERING THE STORM DRAINAGE SYSTEM PRIOR TO PERMANENT STABILIZATION.
4. DIVERSION DIKE - 3.09 A TEMPORARY RIDGE OF COMPACTED SOIL TO DIVERT WATER FROM A CERTAIN
AREA.
5. SEDIMENT TRAP -3.13 A TEMPORARY BARRIER OR DAM WITH A CONTROLLED STORMWATER RELEASE TO
DETAIN SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS IN'WET' AND'DRY" STORAGE LONG ENOUGH
FOR THE MAJORITY OF SEDIMENT TO SETTLE OUT.
5.1. MAINTENANCE OF SEDIMENT TRAP- INSPECT TRAP EMBANKMENT WEEKLY TO ENSURE IT IS
STRUCTURALLY SOUND AND HAS NOT BEEN DAMAGED DURING CONSTRUCTION ACTIVITIES.
ADDITIONALLY THE TRAP SHALL BE CHECKED AFTER EVERY RAINFALL EVENT. ONCE THE SEDIMENT
HAS REACHED THE DESIGNATED CLEANOUT LEVEL IT SHALL BE REMOVED AND PROPERLY DISPOSED
OF,
6. OUTLET PROTECTION - 3.18 STRUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPATING
DEVICES SHALL BE PLACED AT ALL OUTLETS OF PIPES OR PAVED CHANNEL SECTIONS.
7. ROCK CHECK DAM - 3.20 SMALL TEMPORARY STONE DAMS SHALL BE CONSTRUCTED ACROSS ALL SWALES
OR DRAINAGE DITCHES.
8. TREE PROTECTION FENCE - 3.38 PROTECTION OF DESIRABLE TREES FROM MECHANICAL AND OTHER
INJURY DURING LAND DISTURBING AND CONSTRUCTION ACTIVITY.
9. DUST CONTROL - 3.39 DUST CONTROL IS TO BE USED THROUGH THE SITE IN AREAS SUBJECT TO
SURFACE AND AIR MOVEMENT.
VEGETATIVE PRACTICES:
1. TOPSOIL (TEMPORARY STOCKPILE) - 3.30 TOPSOIL SHALL BE STRIPPED FROM AREAS TO BE GRADED
AND STOCKPILED FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL BE LOCATED ONSITE AND
SHALL BE STABILIZED WITH TEMPORARY SILT FENCE AND VEGETATION.
2. TEMPORARY SEEDING - 3.31 ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR MORE THAN 30
DAYS SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY VEGETATION IMMEDIATELY FOLLOWING
GRADING OF THOSE AREAS. SELECTION OF THE SEED MIXTURE SHALL DEPEND ON THE TIME OF YEAR IT
IS APPLIED.
3. PERMANENT SEEDING - 3.32 FOLLOWING GRADING ACTIVITIES, ESTABLISH PERENNIAL VEGETATIVE
COVER BY PLANTING SEED TO REDUCE EROSION, STABILIZE DISTURBED AREAS, AND ENHANCE NATURAL
BEAUTY.
4. SOIL STABILIZATION BLANKETS & MATTING - 3.36 A PROTECTIVE COVERING BLANKET OR SOIL
STABILIZATION MAT SHALL BE INSTALLED ON PREPARED PLANTING AREAS OF CHANNELS TO PROTECT
AND PROMOTE VEGETATION ESTABLISHMENT AND REINFORCE ESTABLISHED TURF.
MANAGEMENT STRATEGIES
1. PROVIDE SEDIMENT TRAPPING MEASURES AS A FIRST STEP IN GRADING, SEED AND MULCH
IMMEDIATELY FOLLOWING INSTALLATION.
2. PROVIDE TEMPORARY SEEDING OR OTHER STABILIZATION IMMEDIATELY AFTER GRADING.
3. ISOLATE TRENCHING FOR UTILITIES AND DRAINAGE FROM DOWNSTREAM CONVEYANCES IN ORDER TO
MINIMIZE PERIMETER CONTROLS.
4. ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE MAINTAINED UNTIL THEY ARE NO LONGER
REQUIRED TO COMPLY WITH THE CONTRACT DOCUMENTS OR STATE LAW.
PERMANENT STABILIZATION
ALL NON -PAVED AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH PERMANENT SEEDING
IMMEDIATELY FOLLOWING FINISHED GRADING. SEEDING SHALL BE IN ACCORDANCE WITH STD. & SPEC.
3.32, PERMANENT SEEDING. SEED TYPE SHALL BE AS SPECIFIED FOR "MINIMUM CARE LAWNS" AND
"GENERAL SLOPES" IN THE HANDBOOK FOR SLOPES LESS THAN 3:1. FOR SLOPES GREATER THAN 3:1, SEED
TYPE SHALL BE AS SPECIFIED FOR "LOW MAINTENANCE SLOPES" IN TABLE 3.32-D OF THE HANDBOOK. FOR
MULCH (STRAW OR FIBER) SHALL BE USED ON ALL SEEDED SURFACES. IN ALL SEEDING OPERATIONS SEED,
FERTILIZER AND LIME SHALL BE APPLIED PRIOR TO MULCHING.
SEQUENCE OF INSTALLATION
PHASE
1. A PRE -CONSTRUCTION MEETING IS REQUIRED WITH ALBEMARLE COUNTY E&S INSPECTOR, CONTRACTOR,
OWNER, AND ENGINEER. THIS MEETING SHALL AT THE COMMUNITY DEVELOPMENT OFFICE. CLEARING
LIMITS MUST BE FLAGGED PRIOR TO THE MEETING WITH ONE (1) WEEK OF NOTICE.
2. INSTALL CONSTRUCTION ENTRANCE, SILT FENCE, SUPER SILT FENCE, INLET PROTECTION, INLET
PROTECTION AND OTHER PERIMETER MEASURES
3. INSTALL CLEAN WATER DIVERSION AND ASSOCIATED TEMPORARY 15" HOPE PIPE AND END SECTION TO
DIVERT OFFSITE DRAINAGE AREA AWAY FROM PROJECT AREA.
4. CLEAR AND GRADE SEDIMENT TRAPS #1 AND #2
5. INSTALL DIVERSION DIKE AND ENSURE POSITIVE DRAINAGE TOWARDS SEDIMENT TRAPS.
5.1. CONTRACTOR SHALL ADJUST ALL DIVERSION DIKES AS REQUIRED TO MAINTAIN POSITIVE
DRAINAGE TOWARDS SEDIMENT TRAPS AS CONSTRUCTION PROGRESSES.
6. AFTER ALL PHASE 1 EROSION AND SEDIMENT CONTROL MEASURES ARE IN PLACE, SITE WORK CAN
BEGIN.
7. CLEAR AND GRUB LIMITS OF DISTURBANCE.
8. ROUGH GRADE PROJECT AREA.
9. SEED ALL DENUDED AREAS PER VESCH STANDARDS.
PHASE II
1. INSTALL ADDITIONAL INLET PROTECTION WHERE SHOWN ON THE PHASE II EROSION AND SEDIMENT
CONTROL PLAN AS THE STORM SYSTEM IS CONSTRUCTED AND BECOMES OPERATIONAL.
2. FINE GRADE PROJECT AREA. APPLY PERMANENT SOIL STABILIZATION TO THESE AREAS WITHIN SEVEN
DAYS AFTER FINAL GRADE IS ACHIEVED.
2.1. ONCE THE CONTRIBUTING DRAINAGE AREA TO SEDIMENT TRAP #1 HAS BEEN PERMANENTLY
STABILIZED AND APPROVED BY THE ESC INSPECTOR, REMOVE SEDIMENT TRAP #1. CONTRACTOR TO
ENSURE SILT FENCE ALONG THE TOE OF SLOPE IS INSTALLED AND IN GOOD CONDITION AT ALL
TIMES TO ENSURE EXISTING WETLANDS ARE PROTECTED. ONCE THE STORM SYSTEM ASSOCIATED
WITH DRY DETENTION BASIN IS OPERATIONAL, REMOVE THE TEMPORARY 15" HOPE PIPE AND END
SECTION. INSTALL STRUCTURE 402 AND PIPE 401 ACCORDINGLY.
3. ONCE THE CONTRIBUTING DRAINAGE AREA TO SEDIMENT TRAP #2 HAS BEEN PERMANENTLY STABILIZED
AND APPROVED BY THE ESC INSPECTOR, REMOVE SEDIMENT TRAP #2. CONTRACTOR SHALL INSTALL SILT
FENCE ALONG THE TOE OF ALL DISTURBED SLOPES PRIOR TO THE REMOVAL OF SEDIMENT TRAP #2 AND
ENSURE IT IS IN GOOD CONDITION AT ALL TIMES.
4. ALL STORMWATER PIPING & STRUCTURES SHALL BE INSPECTED FOR SILT/SEDIMENT. IF PRESENT,
SILT/SEDIMENT SHALL BE CLEANED OUT FOR THE SYSTEM TO THE SATISFACTION OF THE E&S
INSPECTOR.
5. APPLY PERMANENT SOIL STABILIZATION TO THESE AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS
ACHIEVED.
6. ONCE CONSTRUCTION IS COMPLETE AND ALL CONTRIBUTING AREAS ARE STABILIZED, EROSION
CONTROL MEASURES CAN BE REMOVED UPON APPROVAL FROM THE E&S INSPECTOR.
MINIMUM STANDARDS:
AN EROSION AND SEDIMENT CONTROL PROGRAM ADOPTED BY A DISTRICT OR LOCALITY MUST BE CONSISTENT WITH THE
FOLLOWING CRITERIA, TECHNIQUES AND METHODS:
MS-1. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS
AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE
APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN
DORMANT FOR LONGER THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE
TO BE LEFT DORMANT FOR MORE THAN ONE YEAR.
MS-2. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCKPILES AND BORROW AREAS SHALL BE STABILIZED OR
PROTECTED WITH SEDIMENT TRAPPING MEASURES. THE APPLICANT IS RESPONSIBLE FOR THE TEMPORARY
PROTECTION AND PERMANENT STABILIZATION OF ALL SOIL STOCKPILES ON SITE AS WELL AS BORROW AREAS
AND SOIL INTENTIONALLY TRANSPORTED FROM THE PROJECT SITE.
MS-3. 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
ACHIEVED THAT IS UNIFORM, MATURE ENOUGH TO SURVIVE AND WILL INHIBIT EROSION.
MS-4. SEDIMENT 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.
MS-5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS
IMMEDIATELY AFTER INSTALLATION.
MS-6. SEDIMENT TRAPS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE TOTAL DRAINAGE AREA TO BE
SERVED BY THE TRAP.
A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE
AREA AND THE TRAP SHALL ONLY CONTROL DRAINAGE AREAS LESS THAN THREE ACRES.
MS-7. 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.
MS-B. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN ADEQUATE
TEMPORARY OR PERMANENT CHANNEL, FLUME OR SLOPE DRAIN STRUCTURE.
MS-9. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL BE
PROVIDED.
MS-10. 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.
MS-11. BEFORE NEWLY CONSTRUCTED STORMWATER CONVEYANCE CHANNELS OR PIPES 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.
MS-12. 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.
MS-13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN TWICE IN ANY
SIX-MONTH PERIOD, A TEMPORARY VEHICULAR STREAM CROSSING CONSTRUCTED OF NONERODIBLE MATERIAL
SHALL BE PROVIDED.
MS-14. ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING TO WORKING IN OR CROSSING LIVE
WATERCOURSES SHALL BE MET.
MS-15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WORK IN THE
WATERCOURSE IS COMPLETED.
MS-16. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN
ADDITION TO OTHER APPLICABLE CRITERIA:
A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME.
B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES.
C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED
SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT
FLOWING STREAMS OR OFF -SITE PROPERTY.
D. MATERIAL USED FOR BACKFILLING 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.
MS-17. WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, PROVISIONS SHALL BE
MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR TRACKING ONTO THE PAVED SURFACE. WHERE
SEDIMENT IS TRANSPORTED ONTO A PAVED OR PUBLIC ROAD SURFACE, THE ROAD SURFACE SHALL BE CLEANED
THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS 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
DEVELOPMENT LOTS AS WELL AS TO LARGER LAND -DISTURBING ACTIVITIES.
MS-18. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL
SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE
AUTHORIZED BY THE LOCAL PROGRAM AUTHORITY. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS
RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT
FURTHER EROSION AND SEDIMENTATION.
MS-19.PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE PROTECTED FROM SEDIMENT
DEPOSITION, EROSION AND DAMAGE DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK FLOW RATE OF
STORMWATER RUNOFF FOR THE STATED FREQUENCY STORM OF 24-HOUR DURATION IN ACCORDANCE WITH THE
STANDARDS AND CRITERIA LISTED IN SECTION 19 OF VIRGINIA ADMINISTRATIVE CODE 9VAC25-840-40 MINIMUM
STANDARDS.
GENERAL EROSION AND SEDIMENT CONTROL NOTES:
ES-1: UNLESS OTHERWISE INDICATED, CONSTRUCT AND MAINTAIN ALL VEGETATIVE AND STRUCTURAL EROSION
AND SEDIMENT CONTROL PRACTICES ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE
LATEST EDITION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA
REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS.
ES-2: THE CONTROLLING EROSION AND SEDIMENT CONTROL AUTHORITY WILL MAKE A CONTINUING REVIEW AND
EVALUATION OF THE METHODS AND EFFECTIVENESS OF THE EROSION CONTROL PLAN.
ES-3: PLACE ALL EROSION AND SEDIMENT CONTROL MEASURES PRIOR TO OR AS THE FIRST STEP IN CLEARING,
GRADING, OR LAND DISTURBANCE.
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Lic. No. 0402048507
3/25/19v
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ES-4: MAINTAIN A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN ON THE SITE AT ALL TIMES.
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ES-5: PRIOR TO COMMENCING LAND -DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS
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(INCLUDING, BUT NOT LIMITED TO, OFFSITE BORROW OR WASTE AREA), SUBMIT A SUPPLEMENTARY
EROSION CONTROL PLAN TO THE ARCHITECT/ENGINEER AND THE CONTROLLING EROSION AND SEDIMENT
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CONTROL AUTHORITY FOR REVIEW AND ACCEPTANCE.
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ES-6: PROVIDE ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND
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SEDIMENTATION AS DETERMINED BY THE RESPONSIBLE LAND DISTURBER. (MODIFIED NOTE)
ES-7: ALL DISTURBED AREAS SHALL DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING
LAND -DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT.
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ES-8: DURING DEWATERING OPERATIONS, PUMP WATER INTO AN APPROVED FILTERING DEVICE.
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ES-9: INSPECT ALL EROSION CONTROL MEASURES DAILY AND AFTER EACH RUNOFF- PRODUCING RAINFALL EVENT.
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MAKE ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL
DEVICES IMMEDIATELY.
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SOILS INFORMATION:
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47C - LOUISBURG SANDY LOAM, 7 TO 15 PERCENT SLOPES, GREATER THAN 60 INCHES TO RESTRICTIVE FEATURES, WELL
DRAINED, HYDROLOGIC GROUP: B
94B - WEDOWEE SANDY LOAM, 2 TO 7 PERCENT SLOPES, GREATER THAN 60 INCHES TO RESTRICTIVE FEATURES, WELL
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DRAINED, HYDROLOGIC GROUP: B
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94C - WEDOWEE SANDY LOAM, 7 TO 15 PERCENT SLOPES, GREATER THAN 60 INCHES TO RESTRICTIVE FEATURES, WELL
DRAINED, HYDROLOGIC GROUP: B
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DRAWN BY
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DESIGNED BY
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SAF NPERSPECTIVE VIEW PERSPECTIVE VIEW 3.10
PLASTIC FENCE METAL FENCE
SAFETY FENCE
No S ale
GRAVEL CfURB INLET SEDIMENT FILTER
,ate
IIII
GRAVEL FILTER 12
BUKOFFWATER WIRE MESH
FILTERED WATER
IT
SEDIMENT
GONCRETE
GUTTER 12' CURB INLET
GRAVEL SHALL BE VDOT 43, 435T OR 5 COARSE AGGREGATE.
SPECIFIC APPLICATION: THIS METHOD OF INLET PROTECTION IS APPLICABLE AT
OCURB INLETS WHERE BONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO O
P CAUSE INCONVENIENCE OR DAMAGE TOADJACENT STRUCTURES AND 3.07-6
UNPROTECTED AREAS.
STORMWATER INLET PROTECTION
NO Scale
2 X 4" WOOD 1 1 \ I -1 Illll: - IN I 1 �(� II ( 11, \ DROP INLET WITH
FRAMEGRATE
FRAME
MA
MAX.
3'
MIN.
GATHER
U EXCESS
AT
CORNERS
HSNI - Hw V11 W`:
STAKE
FABRIC
III MIN.
I �^
-TAIL A
ELE ✓A ICN C_ CTADE AND FABRIC C31-N ATICN
SPECIFIC APPLICATION
THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE INLET
DRAINS A RELATIVELY FLAT AREA (SLOPE NO GREATER THAN 5%) WHERE
OTHE INLET SHEET OR OVERLAND FLOWS (NOT EXCEEDING E 1 C.F.S.) ARE O
P TYPICAL THE ET OR SHALL NOT APPLY TO INLETS RECEIVING 3.p7-1
CONCENTRATED FLOWS, SUCH AS IN STREET OR HIGHWAY MEDIANS.
STORM DRAIN INLET PROTECTION
Ne Scale
�79 MINA 5:1 EXISTING
f Al a• PAVEMENT
FILTER 1` AT (MOUNTABLE BERM
CLOTH (OPTIONAL)
EXISTING GROUND SIDE ELEVATION I I
B wASMIN.
OPTHRACK IONAL J1P
10 EXISTING
12'MIN.,MINA pgVEMENT
VDOT4ICOARSEAGGREGATE -
B' POSITIVE
III'MIN.
'MUST EXTENDFULLWIDTH OF
DRAINAGE TO
SEDIMENT
�-
INGRESS AND EGRESS OPERATION
TRAPPING DEVICE
PLAN VIEW
12'MIN.
- .�...�. -E
A ,.E ,T, ,.f ,Y, ,.r:, ,. ,. 3" MIN.
3" MIN.
FILTER CLOTH
SECTION A -A
6. T..
CE REINFORCED CONCRETE
DRAIN SPACE
SECTION B-B
STONE CONSTRUCTION ENTRANCE
Nasals
COMPACTED SOIL CWD TO HAVE MOOT
STANDARD EC-2
MATTING ON UPHILL
18-MIN. - I SIDE
FLOW
4.5'MIN .
DD CW 3.09
TEMPORARY DIVERSION DIKE
NO Sple
1. SET THE STAKES.
2. EXCAVATE A 4'X 4' TRENCH UPSLOPE
ALONG THE LINE OF STAKES.
F~ti
6
IN
FLOW
4
S.STAPLE FILTER MATERIAL TO
EXTEND IT INTO THE TRENCH.
STAKES AND 4. BACKFILL AND COMPACT THE
EXCAVATED SOIL.
-._,
/III
FLOW ��/ -
SHEET FLOW INSTALLATION
(PERSPECTIVE VIEW)
3'
A
FLOW MAX.
B A g
POINTS A SHOULD BE HIGHER THAN POINT B.
SF DRAINAGEWAY INSTALLATION 3.06-2
O
(FRONT
ELEVATION)
I No Scale
1. SET POSTS AND EXCAVATE A 4"X4" 2. STAPLE WIRE FENCING TO
TRENCH UPSLOPE ALONG THE LINE OF THE POSTS.
POSTS.
6'
I
T'4
I
4"
3. ATTACH THE FILTER FABRIC TO 4. BACKFILL AND COMPACT THE
THE WIRE FENCE AND EXTEND IT INTO EXCAVATED SOIL.
THE TRENCH.
l
� j��/ �� -m.
/ _ ' �U FLOW _ _
EXTENSION OF FABRIC AND WIRE INTO THE TRENCH.
FILTER FABRIC
�/ WIRE-
SSF
SILT FENCE (WITH WIRE SUPPORT)
No Scale
TYPICAL ORIENTATION OF VESCH TREATMENT - 1 SOIL (STABILIZATION
SHALLOW BLANKET)
SLOPE
ON SHALLOW SLOPES, STRIPS NETTING
PROTECTIVE COVERINGS MAY BE APPLIED
ACROSS THE SLOPE.
WHERE THERE IS A BERM AT THE BERM
TOP OF THE SLOPE, BRING THE -
MATERIAL OVER THE BERM AND - -
STEEP ANCHOR IT BEHIND THE BERM. - - ,i. - -
SLOPE
ON STEEP SLOPES, APPLY PROTECTIVE
COVERING PARALLEL TO THE DIRECTION
OF FLOW AND ANCHOR SECURELY.
BRING MATERIAL DOWN TO
A LEVEL AREA BEFORE
TERMINATING THE 4"
INSTALLATION. TURN THE 12'
DITCH FLOW END UNDER 4" AND STAPLE
AT 12" INTERVALS.
IN DITCHES, APPLY PROTECTIVE COVERING
PARALLEL TO THE DIRECTION OF FLOW.
USE CHECK SLOTS AS REQUIRED. AVOID
JOINING MATERIAL IN THE CENTER OF THE
gM DITCH IF AT ALL POSSIBLE. 3.36-1
SOIL STABILIZATION BLANKET (TREATMENT-1)
Ne Side
TYPICAL VESCH TREATMENT-2 SOIL STABILIZATION MATTING
INSTALLATION
SOIL STABILIZATION MATTING SHALL
BE USED IN CONJUNCTION WITH
RIPRAP AT OUTLET END OF PIPE
O �
/ a
\.\
� ENTRENCH
EDGES OF
MATERIAL 6"
CHECK SLOTS TO BE - _ 5
CONSTRUCTED PER
MANFAC RS1'-2'�j
RECOMMENDATIONS.
TRANSVERSE CLOSED
CHECK SLOT LOW
A" UPSTREAMAND
}.1.' J. DOWNSTREAM
LOW TERMINAL
6„ g„
OPEN CHECK
SLOT
d1 �
�P
3.36-4
Na Srala
TYPICAL VESCH TREATMENT - 1 (SOIL STABILIZATION BLANKET)
INSTALLATION CRITERIA
NOTES
APPROXIMATELY 200
STAPLES REQUIRED PER
ANCHOR 100 SQ. YDS. OF MATERIAL
SLOT ROLL. ANCHOR SLOTS,
JUNCTION SLOTS &
CHECK SLOTS TO BE
JUNCTION
SLOT
BURIED 6" TO 12".
12' MAX. 4:1 OR FLATTER
fi' MAX. STEEPER
EDGE AND END JOINTS THAN 4:l
CHECKSLOT
TO BE SNUGLY ABUTTED
TERMINAL FOLD
(JUTE MESH WILL HAVE
LAP JOINT 2- MIN.(JUTE
MESH ONLY)
STAPLEDLAP JOINT IN
LIEU OF EDGE JOINT)
TAMP FIRMLY
I
9NCHOR SLOT
5'MAX. 4: I OR FLATTER
MAX. STEEPER THAN 4. 1 1
TAMP
FIRMLY CHECKSLOT
2 OF
rVAR.-VAR.-
JUNCTION SLOT TAMP FIRMLY
TERMINAL FOLD
TAMP FIRMLY
2"
p - 2.
BM 3.36-2
SOIL STABILIZATION BLANKET (TREATMENT-1)
No Scale
" r7
❑ 1� ❑CI❑
STANDARD ORANGE VINYL OR PLASTIC CONSTRUCTION
FENCE ATTACHED TO POSTS (PRE -WEATHERED WOOD,
GALVANIZED STEEL, IRON OR THICK PVC PLASTIC), AT LEAST
40" ABOVE FINISH GRADE WITH SPAN BETWEEN POSTS NO
GREATER THAN 6' ON CENTER. EVERY NINTH POST SHALL
CONTAIN A WARNING SIGN THAT CLEARLY IDENTIFIES THE
FENCE AS A TREE PROTECTION FENCE.
TP 3.38 OP
TREE PROTECTION
A
A 3dc(MIN.)
do
PIPE OUTLET TO WELL
DEFINED CHANNEL
P AN VIEW
Le
0%
SECTION A -A
FILTER KEV IN 6'-8'; RECOMMENDED FOR
CLOTH ENTIRE PERIMETER
NOTES:
1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION BASKET, OR
CONCRETE.
2. Le IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED USING PLATES
3.18J AND 3.18d.
3. d =1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT LESS THAN 6
INCHES.
3.18
OUTLET PROTECTION
No Scale
TFI of^
1lWhN1� C4
O QWG W J. KOTARSKI Y
Lic. No. 0402048507
ADO 3/25/19v
Ss10NALO
�o F-
•
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f
i
F
0
03/25/19
DRAWN BY
A. MABEE
DESIGNED BY
J. SHOWALTER
CHECKED BY
C. KOTARSKI
SCALE
Q J
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W
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W
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U
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EROSION CONTROL LEGEND I - '
LIMITS OF CLEARING AND GRADING
DRAINAGE DIVIDE
CE
CONSTRUCTION ENTRANCE
3.02
SF
X jE SILT FENCE
3.05
SF�
SUPER SILT FENCE
3.05
IP
® INLET PROTECTION
3.07
CIP
®
CULVERT INLET PROTECTION
3.08
DD
�� DIVERSION DIKE
3.09
DD
+l CLEAN WATER DIVERSION
3.12
ST
SEDIMENTTRAP
3.13
-
-- -- --
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- - n I Ldc No. 0402048507
-- ---- A?O 3/25/19
DD
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OP OUTLET PROTECTION 3.18 - ~1 / I I `` 588 -
CD CHECK DAM 3_20 ST /�
-570' � / r 4
TS TEMPORARY SEEDING 3.31 SEDIMENT TRAP #1 SEDIMENT TRAP #2 _ _ _ - - - � �
N, Scale
PS PERMANENT SEEDING 3.32 1 L�}�'T�' / ' i - - i % i , / 1 I \ 2 -
MU T 57-4_- _ _ -_ -- - - - - -- - --
3.35 TMULCHING 576- _ \ �T 1 S'EQPT/TIC iDRAINAGE
I FROM DIVIDE'I ► J
TP -TP- TREE PRESERVATION FENCE 3.38 1 \ ` I\ \ ` �' = _ . / = - i % - ,mom \ S T I I TED BY i I ►
^^^^^^lll o AN0
DC DUST CONTROL 3.39
NOTES: 3 i v / �� lloo/
1. CONTRACTOR SHALL ADJUST ALL DIVERSION DIKES AS
REQIO
UIRED TO MAINTAIN POSITIVE DRAINAGE TOWARD
SEDMENT TRAPS AS CNSTRUCTION PROGRESSES.
2. SILT FENCE SHALL BE INSTALLED AT THE TOE OF THE SLOPE
BEFORE ANY SITE GRADING ACTIVITIES AND WHEN POSITIVE ` %'` i i - - - - -
DRAINAGE TOWARDS A SEDIMENT TRAP CANNOT BE -
ACHIEVED. C i I i _ �.,, c�.`rc�` •�-_ �� SEDIMNT TRAP #2 (SEE! DEPAl�1
3. SEDIMENT TRAPS #1 AND #2 SHALL BE MAINTAINED UNTIL / ' i I' ` \ - pRAINAGE AREA-281 Ad /
ALL UPSTREAM DRAINAGE AREAS HAVE BEEN STABILIZED 5}„� TYPE: _-1 JJJ 'C � V \ I I ' STONE WEIR
IN �J'_+.+�+'k �F' TOW OF DAM = 56�.00
OR CONSTRUCTION NECESSITATES REMOVAL. (�`, ,(��} _ _ _ / `J7.� BI TOM OF TIdAP = 55�.00 II ]I I
4. CONTRACTOR SHALL CLOSELY MONITOR AND MAINTAIN 94B W i -� I I T SSF
EBSC MEASURES UPHILL OF WETLANDS TO PROVIDE '
PROTECTION ACCORDINGLY. — — — — — / — r _■■ _■■ —I T♦ �T— — \—..—.�y—� ��—� — T
�.!♦_1111LtULMITS O-F -------\\ -r- - �� I \� � \�'L / r_�_T�;f --�_IIr♦ ss' s' _
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i
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it
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STONEINSTALLATION
(PROVIDED
I r
UNDER �, 0 0
COVER)
-a , e ��IL TYPE:
BEDIISIENTT (SE$DETAI�) yi / '� \ o `� �
gRAINAGE AR - 2.31 AC T T T p ro H T 94B A,
�, / / / • / ' I x yTv yy''• '+' TOPNAG 3.00 / - I I b v' I SEPRICFIELD*WW'jl p° ��` P\OXIMATE LOCATI ti
,-,.
BOTTOM RAP=�b7$6=\ ' j I la Q n o REMOVED AND PART
OF+=�"' I OF EXISTING SEPTIC
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SANITARY SEWER 1�`OH`C9 LETED BY
SIb�PARATEROVIDLC bVER) NDER EAXI&O gAl0 t DC
# p
swMiE�IVT I I I� I 0 c=
ADJUS EXST. GRADE\TDB 415-460 PL�T)
s
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3 \ END SECTION CWD ` CO T. ENTRANCE �"II 1 TP
V INV. -���
3 OFFSITE DR,,..
' AREA=2.d6AC -
�� 15• HpPE -___-_ -- - ______ - _� - a - -SotL Types ; I A _ A k
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TO EXIST. DI-3B
3 Q (i T "j""..m• INV. 481.80 40' a 80' '
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03/25/19
DRAWN BY
A. MABEE
DESIGNED BY
J. SHOWALTER
CHECKED BY
C. KOTARSKI
SCALE
1 _40'
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LIMCFS OF CLEARING AND GRADING - - - - - - / / i / / / / / _ _ _ _ _ __ ;�7QV'1,1.p1-t,'. 'T J OF
- - - - - - - - - DRAINAGE DIVIDE
CT-- / / ' I\ / �' / /� / i'a �( ----__-___ - R
CE CONSTRUCTION ENTRANCE 3.02 / \ \ - - / / / /` i - - _ _ _ ' - 1 _ - - O m
� � z Lio. No. 0402048507
SF �E 3E SILT FENCE 3.05 �� i' .' / / � / / /�' �y � - - � ` L a a���� -
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+
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OP OUTLET PROTECTION 3.18
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INI w r
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DC DUSTCONTROL 3.39 ` - _ _ _ - \ \ - _ - - - - - _ _ _ _ - \ RY08, 200 ; F
O
AREAS STEEPER THAN 3:1 y
TO BE STABILIZED WITH \�"-`- \� \
STABILIZATION BLANKET - ' \� \ \ 1 I \ / i
,l / _566 \ \ \ \ I I 1 \ / / /
0 y DATE
L a
\ / 7 \ \
J
,' 03125119
DRAWN By
A. MABEE
/ i� / \`J o`%l �.. -`_--_ i ' \�� / -o �\ \ \I 1 I 1 1 1 II ✓ /I r/ / �/ / / DESIGNED BV
SSF
IMITS OF r I I / •• 1. SHOWALTER
L
r� I I �.- _ - K I I r / • CHECKED BY
— - I DISTURBANCE _ \ I 1 I I / ■ �'
T l I ■ I • • C. KOTAR—
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CLtAN WATER —\ VV\ \ IF
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3 \ OFFSITE Df 2.1 . \ I �'� PS _ _ _ o _ _ _ ` i\ 1 .. I w v AREA=2.tl5AC _ _ -
o
15"HOPE
._1__________■____�_�"
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15' HPDE PE TO BE REMOVED ONCE THE ��� - - I } / '�\= �\ / ` - 0 40' 80' -
CONVEYANCIPNo.
E SYSTEM HAS BEEN }yy, — _ _ _ _ -
ESTABLISHED TO THE DRY DETENTION 'S�6 .574� �i\\ �06
u POND. FOLLOWING THE REMOVAL OF THE / IJ- __-512 /' / _ 42572
_ _ /. 1 15' 'HOPE STRUCTURE 402 AND PIPE 401 \ I II _ _ _ _ _ _
ygti �+ 5g8 TO BE INSTALLED ACCORDINGLY._- - _ _ _ - - - - - -
\ _ _ __ _ _ -_ --- _ _ SHEET NO.3.
L
Section 5. Stormwater Management Plan
(Provide a reduced l 1x17 copy of the latest stormwater management plan. Do not reference only.)
Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
PRE -DEVELOPED OFFSITE
ROUTED AREA:
PRE DEVELOPED
_ ��,�-_--_----_ I U�C¢aGWTx�Ka
5AREA=3.10ACRES
5 Li
ROUTED AREA:
c. No. 0402048507
CN = 61 3/25/19
- -
T
'AREA = 2.55 ACRES F ' ;. / °�a9 0
v C=12.6 MIN. 2
CN=61� �€= - S,ONAL
--
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-_-�
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DATE
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1 i ���r`� vm - _ / ..w. \\ �' „';=, _ s , ��.I A. MABEE
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1 PRE DEVELOPED e-.,, � � _ - - � �
t ' // i-(�� I ) / Ilt ' - \ �576_ I I , I ��/ _'/�`// -- • J. SHOWALTER
Q c v ( /_ // �» \ `sue - 'I I I r r r l /' / _ •
POST -DEVELOPED OFFSITE,, _ _ /• CHECKEDBV
C. KO-RSK7
ROUTED AREA: - - -- �_ •
_ POST -DEVELOPED ROUTED _ l �,- • • SCALE
AREA = 3.10 ACRES _ �l
DRY POND AREA: — — I / 570�
EE: AREA = 1.59 ACRES
° TIC - 12.6 MIN. CN = 84 1 - 2- •
C
)J,-v �L U _ _ TC = 6 MIN.
_— ; _ . — _ — POST -DEVELOPED
- a man ... • AREA TO POND 1
/ S�C1`I W A O Z
Q
---
/-586
® / i♦\ice'.'"'�--- — Y\;07•
r � I 1 l / / � � / / � � rw ; • �'. -. Al l I � � i I 4 I� � ❑ I � R{ y y�j Y1 �' � � POSTDf
_ —
Q
-5 UNROUTED AREA: "� p p I I� U wLu
V Q V
AREA = 0.55 C �l o 4 a - -' ` pC a Q
ACRES
m
----Lu
- =TC=6MIN. • .I -- - y---- w �
POST -DEVELOPED _.`I�✓/,' - - - o .
-
WATER QUANTITY CALCULATIONS FOR DISTURBED
AREA TO THE NORTH:
CHANNEL PROTECTION (ENERGY BALANCE): FLOOD PROTECTION:
Q PO -DEV—L `- 0.80 (QPRE-DEV' RVPRE-DEV) / (RVPosr-DEV) POST -DEVELOPED Qlo S PRE -DEVELOPED Q,D
0.80 (0.77 CFS0.062 AC/FT) / (0.137 AC/FT) +0.96 CFS (OFFSITE ROUTED FLOW) = 1.24 CFS
OK 1.16 CFS 5 1.24 CFS OK 12.07 CFS (POST -DEVELOPED DO 5 12.14 CFS (PRE -DEVELOPED 01D)
WATER QUALITY CALCULATIONS:
SUMMARY FROM RUNOFF REDUCTION SPREAD SHEET FOR
REDEVELOPMENT (SEE CALC. BOOK):
DISTURBED AREA (SOUTHERN PORTION OF PROJECT AREA): 2.10 ACRES REQUIRED REMOVAL: 1.29 LBSNR
—
POST -DEVELOPMENT LAND COVER: 1.08 LBSNR TO BE TREATED VIA MANUFACTURED TREATMENT DEVICE. REMAINING 0.22 LBSNR
JOB No.
B SOILS: OF REQUIRED NUTRIENT CREDITS TO BE PURCHASED FROM A DEQ-APPROVED NUTRIENT
1.40 AC TURF CREDIT BANK IN ACCORDANCE WITH VA CODE 62.1-44.15:35.
42572
0.70 AC IMPERVIOUS
SHEET NO.
C6.1
Section 6. Pollution Prevention Plan.
(reference County Code 17-404 and State Regulation 9VAC25-880-70 part II section A.4)
A. Plan showing pollution activities and prevention practices
(Provide a reduced l 1x17 copy of a site plan on which all of the following activity locations are clearly
marked. Keep this plan up-to-date with ongoing site changes and inspections.)
Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
H. sources of roimants. locations. ana
Pollutant, or Pollutant Prevention Practices,
Generating Activity Location on site Control Measures
C. Sources of Pollutants continued. Common activities and minimum control and prevention
practices
Pollutant, or Pollutant
Location on site
Prevention Practices,
Generating Activity
Control Measures
Follow Erosion and Sediment Control
Clearing, grading, excavating, and un-
Land disturbance area
Plan. Dispose of clearing debris at
stabilized areas
acceptable disposal sites. Seed and mulch,
or sod within 7 days of land clearing
Cover storm drain inlets and use drip pans
Paving operations
Roads and driveways
and absorbent/oil dry for all paving
machines to limit leaks ands ills
Concrete washout shall occur in area
Direct concrete wash water into a leak -
Concrete washout and
adjacent to the construction entrance as
proof container or leak -proof settling basin
cement waste
designated on the Pollution Prevention
that is designed so that no overflows can
Plan.
occur
Enclose or cover material storage areas.
Mix paint indoors in a containment area or
Structure construction, stucco,
Structures
in a flat unpaved area. Prevent the
painting, and cleaning
discharge of soaps, solvents, detergents
and wash water, paint, form release oils
and curing compounds.
Dewatering if necessary when
Water shall be filtered, settled or similarly
Dewatering operations
converting culvert inlet protection
treated prior to discharge as shown on
shown on plans
plan.
Designated areas for material delivery and
Material delivery and storage
Adjacent to construction entrance and
storage. Placed near construction
construction trailer.
entrances, away from waterways and
drainage paths
Issued - 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
Pollutant, or Pollutant
Location on site
Prevention Practices,
Generating Activity
Control Measures
Material use during building process
Building areas
Follow manufacturer's instructions.
MSDS's attached.
Waste collection area will not receive a
substantial amount of runoff from upland
areas and does not drain directly to a
waterway. Containers have lids covered
before periods of rain, or are in a covered
Solid waste disposal
As provided by contractor
area. Scheduled collection to prevent
overfilling. MATERIALS NOT TO BE
BURIED ON -SITE
Convenient and well -maintained portable
sanitary facilities will be provided, and
Sanitary waste
Current locations shown on plan
located away from waterways or inlets.
Such facilities shall be regularly
maintained.
Apply fertilizers in accordance with
Landscaping operations
Landscape areas shown on plan
manufacturer's recommendations and not
during rainfall events
To be treated in a sediment basin or better
Wash area is located at the construction
control as specified on plan. Minimize
Wash Waters
entrance. Adjacent diversion dike will
the discharge of pollutants from
divert wash water to sediment trap.
equipment and vehicle washing
Vehicle and equipment washing
Designated areas and details shown on
Provide containment and filtering for all
plan
wash waters per the plan
Minimization of exposure to precipitation and stormwater. Minimize the exposure of building materials, building products,
construction wastes, trash, landscape materials, fertilizers, pesticides, herbicides, detergents, sanitary waste, and other
materials present on the site to precipitation and to stormwater.
(Identify all non-stormwater discharges to occur on your site. Keep this plan up-to-date with ongoing
site changes and inspections. See CGP, 9VAC25-880-70 section E for examples of non-stormwater
discharges.)
D. Non-stormwater discharges
Discharge
Pollutants or Pollutant
Constituents
Location on Site
Dust control water
Sediment
As shown on plan
Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
Discharge Pollutants or Pollutant Location on Site
Constituents
E. Persons responsible for pollution prevention practices
(Provide the names and contact information for all persons responsible for prevention practices as listed
above.)
University of Virginia Foundation
P.O. Box 400218
Charlottesville, VA 22911
Contact: Todd Marshall
434.924.2569
F. Response and reporting practices
Minimize discharges from spills and leaks. Minimize the discharge of pollutants from spills and leaks and implement
chemical spill and leak prevention and response procedures as follows.
Respond to all spills, leaks and discharges as follows;
Materials and equipment necessary for oil or chemical spill cleanup will be kept in the temporary material storage
trailer onsite. Equipment will include, but not be limited to, brooms, dust pans, mops, rags, gloves, goggles, kitty litter,
sand, saw dust, and plastic and metal trash containers.
All oil or other chemical spills will be cleaned up immediately upon discovery. Identify and stop source of
discharge. Use absorptive materials to soak up as much chemical as possible. Place all contaminated material in trash
containers for disposal.
Report all spills, leaks and discharges as follows;
(Provide detailed response and reporting practices according to 9VAC25-880-70, Part II, section A.4.e.)
Reports will be made to the following:
Virginia Department of Emergency Management
Emergency Operations Center (EOC)
Phone: (800) 468-8892
Spills large enough to reach the storm sewers will be reported to the National Response Center at 1-800-424-8802.
Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
G. Pollution Prevention Awareness
(Describe training and procedures to provide awareness and compliance for all measures in this
document; waste management, wash waters, prevention measures, etc.)
The registered land disturber shall oversee all construction activities to implement and maintain pollution prevention
measures. As such training and procedures shall be provided by contractor for each worker on site before they begin land
disturbing activities. Training on implementation of erosion and sediment control devices/procedures must be provided by
registered land disturber each time a new E&SC procedure is constructed.
Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
Section 7. Discharges to impaired waters, surface waters within an applicable
TMDL waste load allocation, and exceptional waters.
This site discharges to impaired waters as detailed on the following sheets.
Enhanced inspection frequency is required as outlined below:
(1) Inspections shall be conducted at a frequency of (i) at least once every four business
days or (ii) at least once every five business days and no later than 48 hours following a
measurable storm event. In the event that a measurable storm event occurs when there are
more than 48 hours between business days, the inspection shall be conducted on the next
business day; and
(2) Representative inspections used by utility line installation, pipeline construction, or other
similar linear construction activities shall inspect all outfalls discharging to surface waters
identified as impaired or for which a TMDL waste load allocation has been established and
approved prior to the term of this general permit.
Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
�'lllf�l\1,1 QFjQ
�..�'J (}F
James River Basin
Cause Group Code: H27111-01-BEN
Fact Sheets for
Impaired (Category 5) Waters in 2014
Flat Branch X-trib
Location: Flat Branch X-trib from the headwaters downstream to its confluence with Flat Branch. (Start Mile: 2.03 End Mile: 0.00 Total
Impaired Size: 2.03 Miles)
City / County: Albemarle Co.
Use(s): Aquatic Life
Cause(s) /
VA Category: Benthic-Macroinvertebrate Bioassessments / 5A
This segment is impaired due to violations of the General Standard for Benthics at stations: 2-XKL000.37 (Impaired for VSCI).
Initial List Date: 2010.
Flat Branch X-trib Estuary Reservoir River
Aquatic Life (Sq. Miles) (Acres) (Miles)
Benthic-Macroinvertebrate Bioassessments - Total Impaired Size by Water Type: 2.03
Sources:
Non -Point Source
Draft 2014 Appendix 5 - 401
Section 8. Qualified personnel
The following personnel are responsible for inspections;
(Provide the name, telephone number, and qualifications of the qualified personnel conducting
inspections.)
University of Virginia Foundation
P.O. Box 400218
Charlottesville, VA 22911
Contact: Todd Marshall
434.924.2569
Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
Section 9. Signed Certification
(Provide certification according to 9VAC25-870-370. For purposes of plan review and approvals, this
certification should be the owner of the property, the same signature as appears on the bonds and
applications. Another operator can be designated on the delegation of authority form to follow.)
CERTIFICATION
"I certify under penalty of law that this document and all attachments were prepared under my direction
or supervision in accordance with a system designed to assure that qualified personnel properly gather
and evaluate the information submitted. Based on my inquiry of the person or persons who manage the
system, or those persons directly responsible for gathering the information, the information submitted
is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are
significant penalties for submitting false information, including the possibility of fine and imprisonment
for knowing violations."
Owner/Operator Name
Company:
Title:
Signature:
Date:
Todd Marshall
UVA Foundation
Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
Section 10. Delegation of authority.
(Provide the persons or positions with authority to sign inspection reports or to modify the stormwater
pollution prevention plan. A formal, signed delegation of authority is needed.)
Delegation of Authority
I, (name), hereby designate the person or specifically described position below
to be a duly authorized representative for the purpose of overseeing compliance with environmental
requirements, including the Construction General Permit, at the
construction site. The designee is authorized to sign any reports, stormwater pollution prevention plans
and all other documents required by the permit.
(name of person or position)
(company)
(address)
(city, state, zip)
(phone)
By signing this authorization, I confirm that I meet the requirements to make such a designation as set
forth in the Construction General Permit (CGP), and that the designee above meets the definition of a
"duly authorized representative".
Operator Name: Todd Marshall
Company:
Title:
Signature:
Date:
UVA Foundation
Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
Section 11. General permit copy
(Provide a copy of the construction general permit, 9VAC25-880)
Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
�'lllf�l\1,1 QFjQ
�..�'J (}F
James River Basin
Cause Group Code: H27111-01-BEN
Fact Sheets for
Impaired (Category 5) Waters in 2014
Flat Branch X-trib
Location: Flat Branch X-trib from the headwaters downstream to its confluence with Flat Branch. (Start Mile: 2.03 End Mile: 0.00 Total
Impaired Size: 2.03 Miles)
City / County: Albemarle Co.
Use(s): Aquatic Life
Cause(s) /
VA Category: Benthic-Macroinvertebrate Bioassessments / 5A
This segment is impaired due to violations of the General Standard for Benthics at stations: 2-XKL000.37 (Impaired for VSCI).
Initial List Date: 2010.
Flat Branch X-trib Estuary Reservoir River
Aquatic Life (Sq. Miles) (Acres) (Miles)
Benthic-Macroinvertebrate Bioassessments - Total Impaired Size by Water Type: 2.03
Sources:
Non -Point Source
Draft 2014 Appendix 5 - 401
Section 12. Inspection logs
INSPECTION FREQUENCY:
(1) Inspections shall be conducted at a frequency of (i) at least once every four business days or (ii) at
least once every five business days and no later than 48 hours following a measurable storm event. In
the event that a measurable storm event occurs when there are more than 48 hours between business
days, the inspection shall be conducted on the next business day; and
(2) Representative inspections used by utility line installation, pipeline construction, or other similar
linear construction activities shall inspect all outfalls discharging to surface waters identified as impaired
or for which a TMDL wasteload allocation has been established and approved prior to the term of this
general permit.
Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County
STORM WATER INSPECTIONS FOR VSMP GENERAL PERMIT LAND DISTRIBUTING ACTIVITIES Page 1
PROJECT:
MONITORING FOR THE WEEK BEGINNING:
DATE AND TIME OF INSPECTION:
RAINFALL:
Date of Rain Amount (Inches) Initials
EROSION AND SEDIMENT CONTROL FACILITIES INSPECTED:
(Inspections shall be conducted according to Part IIF2 of the
Permit. However, if the discharges of stormwater from
construction activities are to surface waters identified as
imparied, inspections shall be conducted according to Part
164d.)
Facility Identification
Date and Time of
Inspection
Operating Properly
(Y/N)
Description of
inspection
observations
OBSERVATION OF RUNOFF AT STORMWATER DISHCARGE OUTFALLS:
(Inspections shall be conducted according to Part IIF2 of the
Permit. However, if the discharges of stormwater from
construction activities are to surface waters identified as
imparied, inspections shall be conducted according to Part
164d.)
By this signature, I certify that this report is
accurate and complete to the best of my
knowledge:
Qualified Personnel
By this signature, I certify that the contruction
activity is in compliance with the SWPP and
general permit.
Qualified Personnel
Note: If msepction report does not identify any mci
ceritication statement on page 3 shall be signed.
By this signature, I certify that this report is
accurate and complete to the best of my
knowledge:
Operator/Duly Authorized Representative
By this signature, I certify that the contruction
activity is in compliance with the SWPP and
general permit.
Operator/Duly Authorized Representative
nce
Stormwater Discharge
Outfall Identification
Date
Clarity
Floating Solids
Suspended
Solids
Oil Sheen
Other obvious
indicators of
stormwater
pollution (list
and describe)
Visible
sediment
leaving the
site? (Y/N)
If yes, describe actions
taken to prevent future
releases (may need to
attach additional
information)
Describe measures taken to
clean up sediment outside
of disturbed limits (may
need to attach additional
information)
Clarity: Choose the number which best describes the clarity of the discharge where 1 is clear and 10 is very cloudy
Floating Solids: Choose the number which best describes the amount of floating solids in the discharge where 1 is no solids and 10 the surface us covered in floating solids
Suspended Solids: Choose the number which best describes the amount of suspended solids in the discharge where 1 is no solids and 10 is extremely muddy.
Oil Sheen: Is there an oil sheen in the stormwater discharge (Y or N)?
STORM WATER INSPECTIONS FOR VSMP GENERAL PERMIT LAND DISTRIBUTING ACTIVITIES Page 1
PROJECT:
MONITORING FOR THE WEEK BEGINNING:
DATE AND TIME OF INSPECTION:
RAINFALL:
Date of Rain Amount (Inches) Initials
EROSION AND SEDIMENT CONTROL FACILITIES INSPECTED:
(Inspections shall be conducted according to Part IIF2 of the
Permit. However, if the discharges of stormwater from
construction activities are to surface waters identified as
imparied, inspections shall be conducted according to Part
164d.)
Facility Identification
Date and Time of
Inspection
Operating Properly
(Y/N)
Description of
inspection
observations
OBSERVATION OF RUNOFF AT STORMWATER DISHCARGE OUTFALLS:
(Inspections shall be conducted according to Part IIF2 of the
Permit. However, if the discharges of stormwater from
construction activities are to surface waters identified as
imparied, inspections shall be conducted according to Part
164d.)
By this signature, I certify that this report is
accurate and complete to the best of my
knowledge:
Qualified Personnel
By this signature, I certify that the contruction
activity is in compliance with the SWPP and
general permit.
Qualified Personnel
Note: If msepction report does not identify any mci
ceritication statement on page 3 shall be signed.
By this signature, I certify that this report is
accurate and complete to the best of my
knowledge:
Operator/Duly Authorized Representative
By this signature, I certify that the contruction
activity is in compliance with the SWPP and
general permit.
Operator/Duly Authorized Representative
nce
Stormwater Discharge
Outfall Identification
Date
Clarity
Floating Solids
Suspended
Solids
Oil Sheen
Other obvious
indicators of
stormwater
pollution (list
and describe)
Visible
sediment
leaving the
site? (Y/N)
If yes, describe actions
taken to prevent future
releases (may need to
attach additional
information)
Describe measures taken to
clean up sediment outside
of disturbed limits (may
need to attach additional
information)
Clarity: Choose the number which best describes the clarity of the discharge where 1 is clear and 10 is very cloudy
Floating Solids: Choose the number which best describes the amount of floating solids in the discharge where 1 is no solids and 10 the surface us covered in floating solids
Suspended Solids: Choose the number which best describes the amount of suspended solids in the discharge where 1 is no solids and 10 is extremely muddy.
Oil Sheen: Is there an oil sheen in the stormwater discharge (Y or N)?
STORM WATER INSPECTIONS FOR VSMP GENERAL PERMIT LAND DISTRIBUTING ACTIVITIES Page 1
PROJECT:
MONITORING FOR THE WEEK BEGINNING:
DATE AND TIME OF INSPECTION:
RAINFALL:
Date of Rain Amount (Inches) Initials
EROSION AND SEDIMENT CONTROL FACILITIES INSPECTED:
(Inspections shall be conducted according to Part IIF2 of the
Permit. However, if the discharges of stormwater from
construction activities are to surface waters identified as
imparied, inspections shall be conducted according to Part
164d.)
Facility Identification
Date and Time of
Inspection
Operating Properly
(Y/N)
Description of
inspection
observations
OBSERVATION OF RUNOFF AT STORMWATER DISHCARGE OUTFALLS:
(Inspections shall be conducted according to Part IIF2 of the
Permit. However, if the discharges of stormwater from
construction activities are to surface waters identified as
imparied, inspections shall be conducted according to Part
164d.)
By this signature, I certify that this report is
accurate and complete to the best of my
knowledge:
Qualified Personnel
By this signature, I certify that the contruction
activity is in compliance with the SWPP and
general permit.
Qualified Personnel
Note: If msepction report does not identify any mci
ceritication statement on page 3 shall be signed.
By this signature, I certify that this report is
accurate and complete to the best of my
knowledge:
Operator/Duly Authorized Representative
By this signature, I certify that the contruction
activity is in compliance with the SWPP and
general permit.
Operator/Duly Authorized Representative
nce
Stormwater Discharge
Outfall Identification
Date
Clarity
Floating Solids
Suspended
Solids
Oil Sheen
Other obvious
indicators of
stormwater
pollution (list
and describe)
Visible
sediment
leaving the
site? (Y/N)
If yes, describe actions
taken to prevent future
releases (may need to
attach additional
information)
Describe measures taken to
clean up sediment outside
of disturbed limits (may
need to attach additional
information)
Clarity: Choose the number which best describes the clarity of the discharge where 1 is clear and 10 is very cloudy
Floating Solids: Choose the number which best describes the amount of floating solids in the discharge where 1 is no solids and 10 the surface us covered in floating solids
Suspended Solids: Choose the number which best describes the amount of suspended solids in the discharge where 1 is no solids and 10 is extremely muddy.
Oil Sheen: Is there an oil sheen in the stormwater discharge (Y or N)?
Facility Identification
Date and Time of
Inspection
Operating Properly
(Y/N)
Description of Inspection Observations
Facility Identification
Date and Time of
Inspection
Operating Properly
(Y/N)
Description of Inspection Observations
Facility Identification
Date and Time of
Inspection
Operating Properly
(Y/N)
Description of Inspection Observations