HomeMy WebLinkAboutWPO202100025 Plan - VSMP 2021-08-05SITE DATA
OWNER / DEVELOPER:
PROPERTY ADDRESS
PLAN PREPARER:
TAX MAP PARCEL No:
LOT AREA:
KARCZEWSKI, DOUGLASS L.
1081 EAST WATER STREET
CHARLOTTESVILLE, VA 22902
BUNDORAN FARM, LOT A9
NORTH GARDEN VA, 22959
ROUDABUSH, GALE, & ASSOCIATES, INC
999 SECOND STREET
CHARLOTTESVILLE, VA. 22902
(434)-977-0205
'�I:I�Y�I�II�bII�l�II�xll�l��
23.64 AC.
ZONING: RURAL AREAS DISTRICT (RA)
USE.- 1 DETACHED SINGLE FAMILY RESIDENTIAL DWELLING, 1 BARN
BUILDING HEIGHT: MAXIMUM STRUCTURE HEIGHT IS 35 FEET
SETBACKS: FRONT(PRIVATE ROADS) SIDE REAR
25' 25' 35'
PROPOSED IMPERVIOUS AREA: 0.52 AC.
PROPOSED TURF AREA: 2.14 AC.
PROPOSED OPEN SPACE AREA: 16.04 AC.
MAGISTERIAL DISTRICT.• SAMUEL MILLER
DRAINAGE DISTRICT NORTH FORK HARDWARE RIVER, HUC ✓M46
BOUNDARY DR. 4773PG. 701 (PLAT)
TOPOGRAPHY- ROUDABUSH, GALE & ASSOCIATES, INC. JANUARY 8, 2021
CRI77CAL SLOPES CRI77CAL SLOPES EXIST ON THIS SI7F & ARE LOCATED AS SHOWN.
NO CRI77CAL SLOPE AREAS EXIST WITHIN THE LIMITS OF DISTURBANCE.
FLOODPLAIN: THE AREA SHOWN HEREON IS LOCATED IN ZONE X" AREA DETERMINED
TO BE OUTSIDE THE 0.29 ANNUAL CHANCE FLOOD PLAIN AS SHOW ON
FEMA MAP NO 51003C04000, EFFEC77VE FEBRUARY 4, 2005. THIS
DE7ERMINA710N HAS BEEN MADE BY GRAPHIC ME7HODS, NO ELEVATION
STUDY HAS BEEN PERFORMED AS A POR77ON OF THIS PROJECT.
THE S7REAM BUFFER(S) SHOWN HEREON SHALL BE MANAGED IN ACCORDANCE WNH THE ALBEMARLE
COUNTY WATER PR07EC77ON ORDINANCE.
THIS S17E IS NOT LOCATED WITHIN THE WA7ERSHED OF A PUBLIC WATER SUPPLY RESERVOIR.
GENERAL EROSION CONTROL NOTES
BUNDORAN FARMliiiiiiiiiiiTMP 86liiiiiiiiii38
EROSION CONTROL AND
STORMWATER MANAGEMENT PLAN
WORK AREA PROTECTION & MAINTENANCE
1. ALL FENCES REQUIRED TO BE REMOVED OR DISTURBED BY CONSTRUCTION SHALL BE SALVAGED, STORED,
PROTECTED AND RE -INSTALLED BY CONTRACTOR AT THE DIRECTION OF AND LOCATION DESIGNATED BY THE
PROJECT MANAGER. IF SUCH FENCE MATERIAL CANNOT BE REUSED DUE TO DAMAGE CAUSED BY
CONTRACTOR, CONTRACTOR SHALL INSTALL NEW FENCE OF THE SAME TYPE OF MATERIAL. TEMPORARY
FENCING REQUIRED BY PRIVATE PROPERTY OWNERS SHALL BE PROVIDED BY CONTRACTOR. CONTRACTOR IS
ADVISED TO CONTACT PROPERTY OWNERS AT LEAST FORTY-EIGHT (48) HOURS IN ADVANCE OF REMOVING
ANY FENCE IN ORDER TO COORDINATE RELOCATION AND/OR PROTECTION OF ANY ANIMALS, AND TO
ESTABLISH AND CONFIRM WITH THE OWNER THE PRE -CONSTRUCTION CONDITION OF ANY FENCE TO BE
REMOVED, DISTURBED OR REPLACED.
2. CONTRACTOR IS PERMITTED TO WORK IN THE PUBLIC RIGHT-OF-WAY (FOLLOWING ISSUANCE OF VDOT
APPROVAL) AND ANY TEMPORARY OR PERMANENT EASEMENT (FOLLOWING VERIFICATION OF EXISTENCE OF
EASEMENT) SHOWN ON THE PLANS. HOWEVER, CONTRACTOR SHALL NOTIFY PROPERTY OWNER(S)
FORTY-EIGHT (48) HOURS PRIOR TO WORKING ON ANY PRIVATE PROPERTY TO GAIN AND COORDINATE
ACCESS AND TO DETERMINE A STORAGE AREA FOR MATERIALS IF NEEDED. COORDINATION OF ACCESS TO
PUBLIC RIGHT-OF-WAY AND STORAGE OF MATERIALS THEREON SHALL BE COORDINATED WITH VDOT AND
THE PROJECT MANAGER. CONTRACTOR'S FAILURE TO SO NOTIFY AND COORDINATE WITH PROPERTY OWNERS
AND/OR THE PROJECT MANAGER MAY RESULT IN DELAYS.
3. CONTRACTOR SHALL, AT HIS EXPENSE, MAINTAIN THE WORK SITE IN A CLEAN AND ORDERLY APPEARANCE
AT ALL TIMES. ALL DEBRIS AND SURPLUS MATERIAL COLLECTED SHALL BE DISPOSED OF OFF THE WORK
SITE BY CONTRACTOR, AT HIS EXPENSE.
4. EXISTING LAWNS, TREES, SHRUBS, FENCES, UTILITIES, CULVERTS, WALLS, WALKS, DRIVEWAYS, POLES, SIGNS,
RIGHT-OF-WAY MONUMENTS, MAILBOXES AND THE LIKE SHALL BE PROTECTED FROM DAMAGE DURING THE
WORK. ANY DAMAGE CAUSED TO SUCH ITEMS SHALL BE REPAIRED OR REPLACED BY CONTRACTOR AT NO
ADDITIONAL COST. PROPERTY PINS DISTURBED BY CONTRACTOR THAT ARE NOT SHOWN ON THE PLANS TO
BE DISTURBED SHALL BE RESTORED BY A LICENSED SURVEYOR AT CONTRACTOR'S EXPENSE.
5.CONTRACTOR SHALL EMPLOY EROSION CONTROL DEVICES AND METHODS AS REQUIRED TO MEET THE
REQUIREMENTS AND INTENT OF THE LOCAL EROSION CONTROL ORDINANCE. CONTRACTOR SHALL PROVIDE
THE NECESSARY DIVERSION DITCHES, DIKES OR TEMPORARY CULVERTS REQUIRED TO PREVENT MUD AND
DEBRIS FROM BEING WASHED ONTO THE STREETS OR PROPERTY. CONTRACTOR'S VEHICLES SHALL BE KEPT
CLEAN TO PREVENT MUD OR DUST FROM BEING DEPOSITED ON STREETS. NO AREA SHALL BE LEFT
DENUDED FOR MORE THAN SEVEN (7) CALENDAR DAYS.
VEGETATION
1. PRIOR TO REMOVING ANY VEGETATION, CONTRACTOR SHALL MEET WITH THE PROPERTY OWNERS AND THE
PROJECT MANAGER TO REVIEW THE LIMITS OF CONSTRUCTION AND OBTAIN PERMISSION TO REMOVE
VEGETATION REQUIRED TO DO THE WORK.
2.TREE AND PLANT ROOTS OR BRANCHES THAT MAY INTERFERE WITH THE WORK SHALL BE TRIMMED OR CUT
ONLY WITH THE APPROVAL OF THE PROJECT MANAGER. ANY TREES OR PLANTS WHICH ARE SHOWN TO
REMAIN THAT DO NOT INTERFERE WITH THE WORK, BUT ARE DAMAGED BY CONTRACTOR OR HIS
SUBCONTRACTORS, SHALL BE REPAIRED OR REPLACED BY CONTRACTOR AT NO ADDITIONAL COST.
3. CONTRACTOR SHALL CLEAN UP, RESTORE, SEED AND MAINTAIN ALL DISTURBED AREAS IMMEDIATELY UPON
COMPLETION OF WORK ON EACH SITE. TOPSOIL, SEED, FERTILIZER AND MULCH SHALL BE PLACED IN
ACCORDANCE WITH ESC AUTHORITY STANDARDS ON ALL DISTURBED AREAS. A PERMANENT STAND OF GRASS
ADEQUATE TO PREVENT EROSION SHALL BE ESTABLISHED PRIOR TO FINAL ACCEPTANCE.
4. THE ACT OF RESEEDING SHALL NOT QUALIFY AS "STABILIZED". THE CONTRACTOR SHALL BE RESPONSIBLE
TO ESTABLISH VEGETATION, NOT SIMPLY APPLY SEED AND MATERIALS.
SITE
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VICINITY MAP
SCALE: 1"=2,000 FEET
SINGLE FAMILY CONSTRUCTION
1. SILT FENCE, SEDIMENT TRAPS AND OTHER PROTECTIVE MEASURES SHALL BE PROVIDED IN
AREAS WHERE SEDIMENT FROM DISTURBED AREAS MAY LEAVE THE SITE, AND MUST BE
PROPERLY INSTALLED BEFORE LAND DISTURBANCE. THESE MEASURES MUST REMAIN INSTALLED
AND MAINTAINED UNTIL ADEQUATE STABILIZATION IS ACHIEVED AS DETERMINED BY THE
PROGRAM AUTHORITY.
2. ALL EROSION MEASURES ARE SUBJECT TO INSPECTION PERIODICALLY AND AFTER EACH
RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS TO MAINTAIN THE
EFFECTIVENESS OF THE EROSION CONTROL DEVICES AND CLEANUP OF SEDIMENTATION MUST
BE MADE IMMEDIATELY. IF EROSION CONTROL MEASURES ARE FOUND TO BE INADEQUATE, OR
IN NEED OF REPAIR, BY A COUNTY INSPECTOR, YOU WILL BE NOTIFIED.
3. A TEMPORARY STONE CONSTRUCTION ENTRANCE SHALL BE PROVIDED WHEREVER TRAFFIC WILL
BE LEAVING A CONSTRUCTION SITE AND WHERE THERE EXISTS THE POSSIBILITY OF
TRANSPORTING MUD DIRECTLY ONTO A ROAD OR OTHER PAVED AREA.
4. ALL DENUDED AREAS ON THE SITE SHALL BE STABILIZED WITHIN SEVEN (7) DAYS OF FINAL
GRADING WITH PERMANENT VEGETATION OR A PROTECTIVE GROUND COVER SUITABLE FOR THE
TIME OF YEAR. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN (7) DAYS TO
DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT
(UNDISTURBED) FOR LONGER THAN THIRTY (30) DAYS.
5. A PERMANENT STABILIZATION/VEGETATIVE COVER SHALL BE ESTABLISHED ON ALL DENUDED
AREAS WITHIN NINE (9) MONTHS OF THE START OF CLEARING OR GRADING. UNLESS
DOCUMENTED IN WRITING TO THE PROGRAM AUTHORITY AT THE START OF LAND DISTURBANCE,
THE NINE (9) MONTHS SHALL BE MEASURED FROM THE PERMIT ISSUANCE DATE.
6. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCK PILES AND BORROW AREAS SHALL BE
STABILIZED, COVERED, OR PROTECTED WITH SEDIMENT TRAPPING MEASURES.
7. ALL STORM SEWER INLETS THAT ARE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED
SO THAT SEDIMENT -LADEN WATER CANNOT ENTER THE STORM WATER CONVEYANCE SYSTEM
WITHOUT FIRST BEING FILTERED OR OTHERWISE TREATED TO REMOVE SEDIMENT.
B. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL NOT BE REMOVED UNTIL
DISTURBED AREAS ARE STABILIZED. AFTER STABILIZATION IS COMPLETE, ALL MEASURES SHALL
BE REMOVED WITHIN 30 DAYS UNLESS OTHERWISE AUTHORIZED BY THE 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.
EROSION & SEDIMENT CONTROL LEGEND
n
z
■
CE F3. 0 2 CONSTRUCTION ENTRANCE sCC 3.17 STORMWATER CONVEYANCE
CHANNEL
RS 3.03 CRS STTABILIZATION TIN ROAD QP H
4) OUTLET PROTECTION
SF 3.05�� SILT FENCE SC 3.25 UTILITY STREAM CROSSING
DIVERSION TS [3.31] TS TEMPORARY SEEDING
O O
CWD CLEAN WATER DIVERSION PDR
PS PERMANENT SEEDING
@ H
DC DUST CONTROL
TOTAL DISTURBED AREA = 1.96 ACRES
SHEET INDEX
SHEET 1-------- COVER SHEET
SHEET 2-------- EXISTING CONDITIONS
SHEET
3--------
EROSION
CONTROL
PLAN -PHASE 1
SHEET
4--------
EROSION
CONTROL
PLAN -PHASE 2
SHEET
5
EROSION
CONTROL
NARRATIVE
SHEET
6--------
EROSION
CONTROL
NOTES &DETAILS
SHEET 7-------- STORMWATER MANAGEMENT PLAN
SHEET 8 MITIGATION PLAN
APPROVED
by the Albemarle County
Community Development Department
Date 6/5/21
File WP0202100025
STORMWATER MANAGEMENT CALCULATIONS
WATER QUALITY CONTROL:
The stormwater Management Plan and calculations for Bundoran Farms, Lot H3-R, demonstrate VSMP
compliance by utilizing recorded Greenbelt/Farmbelt easements, Sustainable Design Development
Guidelines, and Community Charter which limit the building site acreages, the maximum amount of
impervious areas associated with development, and the activities permitted in forested and open spaces
on these lots. See below for applicable excerpts from these documents.
D.B. 3486, PG. 153:
Overview of Green Belt and Farm Belt Easement, Operational Areas and Potential Homesites, Plat Notes
for Bundoran Farm, Note 4, reads in part: "Farm Belt and Green Belt Easements: All portions of lots
outside of the homesites shown on this plat, as it may be revised, amended or supplemented, are
subject to farm belt and green belt easements, as defined in the Community Charter referenced in
Note 1, above. ... Use of any portion of the lot outside of the homesite is restricted by such
easements and otherwise as provided in the Community Charter. Such easements are for the purpose
of engaging in agricultural operations and activities and such farm, forest, land, water, and wildlife
management and environmental activities and practices as may be authorized pursuant to the
Community Charter."
D.B. 3500, PG 1-112:
Community Charter for Bundoran Farm (Charter)
Charter, Ch. 3.1, pg. 12 (2nd paragraph)
"All portions of a Lot outside of the Homesites) on such Lot shall be subject to the Farmbelt and
Greenbelt Easement described in Chapter 13."
Charter, Ch. 13.9, pg. 49
"The Founder hereby grants to the Association, its successors, and assigns a perpetual, exclusive
easement (subject to any pre-existing rights and easements) over all portions of the Community lying
outside the boundaries of the Homesites ("Farmbelt and Greenbelt Easement") for the purposes of: (a)
engaging in agricultural operations and activities within those portions of the easement area consisting
primarily of pastures and fields suitable for such activities... (b) engaging in ... timbering, logging, and
silviculture activities as the Farm Management Committee deems appropriate for maintenance of the
Greenbelt Zone in its natural condition as forest or open space, wildlife management activities, and
recreational pursuits such as hiking, horseback riding, and other recreational activities... (c) engaging in
such other forest, land, water, and wildlife management and environmental activities and practices as
the Board, upon recommendation of the Farm Management Committee deems appropriate."
Bundoran Farm, A Property Owner's Guide to Sustainable Design &Development (Guide)
pg. 37:
"Impervious Cover Threshold: To preserve the function of existing natural systems to the greatest
possible extent, Bundoran Farm has defined a threshold of impervious area within the Development Zone
of a homesite. The threshold is intended to help maintain groundwater recharge rates and reduce
localized and downstream stormwater problems. The impervious cover threshold fora Development Zone
is consistent with the Virginia Chesapeake Bay Preservation Act, which requires stormwater management
on development projects that create more than 16 percent impervious area.
The average size of a Development Zone at Bundoran Farm is 1 acre, or 43,560 square feet, and the
16 percent impervious area threshold is roughly 7,000 square feet. Development Zones with more than
7,000 square feet of total impervious cover must employ LID techniques to mitigate for the impervious
area that exceeds 7,000 square feet. Impervious surfaces can include the roof area of the house,
garage, outbuildings, and outdoor areas made with impermeable materials, such as the patio, parking
and driveway section located within the Development Zone."
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DATE:
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SCALE:
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JOB:
20.2154
FILE:
20.2154
SHEET:
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SOIL BOUNDARY
NOTES:
1. THIS PLAT HAS BEEN PREPARED WITHOUT THE BENEFIT OF A TITLE REPORT AND DOES NOT THEREFORE NECESSARILY
INDICATE ALL ENCUMBRANCES ON THE PROPERTY SHOWN HEREON.
2. THIS PLAT HAS BEEN PREPARED FROM AN ACTUAL FIELD SURVEY COMPLETED JANUARY 8, 2021, USING MONUMENTS FOUND
TO EXIST AT THE TIME OF THIS SURVEY.
3. HOME SITE AND DEVELOPMENT ZONE ARE SHOWN AS PER AN EXHIBIT DATED 2016.
4. STREAM LOCATIONS, STREAM BUFFER AND CRITICAL SLOPE LOCATIONS ARE SHOWN PER ALBEMARLE COUNTY GIS DATA.
5. THE AREA SHOWN HEREON IS LOCATED IN ZONE "X" AREA DETERMINED TO BE OUTSIDE THE 0.2% ANNUAL CHANCE FLOOD
PLAIN AS SHOWN ON FEMA MAP NO 51003CO400D, EFFECTIVE DATE FEBRUARY 4, 2005. THIS DETERMINATION HAS BEEN
MADE BY GRAPHIC METHODS, NO ELEVATION STUDY HAS BEEN PERFORMED AS A PORTION OF THIS PROJECT.
6. PARCEL IS ZONED RA (RURAL AREAS)
SETBACKS: FRONT-75'(PUBLIC ROADS), FRONT-25'(PRIVATE ROADS), SIDE-25', REAR-35'
7. ELEVATION IS BASED UPON NAVD 88
8. OWNER OF RECORD: KARCZEWSKI, DOUGLASS L.
9. SOURCE OF TITLE: PG:5420 PG:611(TITLE), PG:4773 DB:701(PLAT)
40 0 40 80 120
SCALE. 1 " - 40'
LEGEND
SBL BUILDING SETBACK LINE
IF IRON FOUND
IS IRON SET
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DATE:
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SCALE:
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JOB:
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FILE:
20.2154
SHEET:
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EROSION & SEDIMENT CONTROL LEGEND
CE [3. 0 2 CONSTRUCTION ENTRANCE SCC 3.17 STORMWATER CONVEYANCE
CHANNEL
CONSTRUCTION CRS 3.03 CRS STABILIZATION ROAD Q P F 180
OUTLET PROTECTION
SF F
.05 SILT FENCE USC :3.:25] UTILITY STREAM CROSSING
F
.12 DIVERSION TS 3.31 TS TEMPORARY SEEDING
CW(] CLEAN WATER DIVERSION PS [3. 3 2 PS PERMANENT SEEDING
D C 3,39 DC DUST CONTROL
TOTAL DISTURBED AREA = 1.96 ACRES
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SEQUENCE OF CONSTRUCTION ,
1. AFTER OBTAINING ALL REQUIRED PERMITS THE CONTRACTOR SHALL � 1
COORDINATE APRE-CONSTRUCTION MEETING, ALLOWING 72 HOURS FOR ITS COORDINATION.
2. INSTALL CONSTRUCTION ENTRANCE OFF OF BUNDORAN DRIVE.
2.1. SHOULD THE TEMPORARY CONSTRUCTION ENTRANCE OFF OF BUNDORAN DRIVE
NOT BE MAINTAINED PROPERLY OR AN EXCESSIVE AMOUNT OF SOIL FOUND TRACKED ONTO
THE PRIVATE ROADWAY, THEN A PAVED CONSTRUCTION ENTRANCE, WATER TANKER TRUCK WITH
TWO (2) PRESSURE WASHERS AND A SETTLING AREA MAY BE REQUIRED BY THE EROSION AND
SEDIMENT CONTROL PROGRAM ADMINISTRATOR. SS I I I I
3. INSTALL DRIVEWAY TO THE EASTERN SIDE OF STREAM. �880� C(�ITICf�L SLdPE L CATION
4. PROVIDE SILT FENCE 1 BEHIND THE TOP EDGE OF THE LIVE STREAM NORMAL WATER SURFACE ELEVATION._/�8781 \ � I(PER ALBEMARL� GIS
5. DIVERT THE LIVE STREAM USING DIVERSION CHANNEL CROSSING TYPE A FOR UTILITY STREAM CROSSINGS. � �
6. REMOVE THE 12" EXISTING CULVERT.876- -- - - �b`O x I
7. INSTALL THE 24" HOPE CULVERT. //874- -_ - - - �
8. STABILIZE AREAS IN AN AROUND THE CULVERT PIPE, INLETS AND OUTFALLS. 872-
9. DIVERT THE LIVE STREAM BACK THROUGH THE 24" CULVERT. EL�` IS @ 20 \
.FEET �
10. REMOVE DIVERSION CHANNEL AND FILL IN THE REMAINDER OF THE DRIVEWAY CROSSING THE STREAM.
11. CLEARING AND GRUBBING SHALL FIRST BE LIMITED TO THAT NECESSARY TO INSTALOTHER
IMETER CONTROLS. ALL L SILT FENCE, AN
D-- - - - - - - -
UPSLOPEERAND DISTURBANCE THATPTA ES PLACERIMETER MUST BE MADE FUNCTIONAL PRIOR TO ANY 8619¢ `. - i
12. CLEAR AND GRUB THE REMAINDER OF PROJECT AREA.
12.1. THE LAND DISTURBANCE SHALL BE RESTRICTED TO THE LIMITS OF DISTURBANCE SHOWN IN THE APPROVED 404.72
EROSION CONTROL PLANS. N81'37ts '2
12.2. THESE LIMITS ARE CONFINED TO THE PROPERTY BOUNDARIES SHOWN HEREON THIS PLAN.
13. DENUDED AREAS SHALL DRAIN TO AN APPROVED EROSION CONTROL MEASURE AT ALL TIMES DURING CONSTRUCTION. `.�\2
14. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO ALL DENUDED AREAS WITHIN SEVEN DAYS
AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED / / / / / 7-8¢6 - Q• / / / //� � ^� � i I I I III � � � � I m \ \ � \ \
WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER
84
THAN 30 DAYS. PERMANENT STABWZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE � THAN ONE YEAR. /� u I I
15. LIME, FERTILIZE AND APPLY TEMPORARY OR PERMANENT SEEDING TO ALL DENUDED AREAS IMMEDIATELY AFTER / CWD
ACHIEVING FINAL GRADES. � OPL STREAM BUFFER
16. ALL PERMANENT SLOPES STEEPER THAN 3:1 SHALL RECEIVE STABILIZATION WITH LANDSCAPING VEGETATION HARDIER \E `__l_fplER A�BEMAR GIS) STREAM BUFFER�s-
THAN GRASS WHICH WILL NOT REQUIRE MOWING. `5-
17. AFTER PROPOSED CONSTRUCTION IS COMPLETED AND THE SITE IS COMPLETELY STABWZED PERMISSION IS TO BE SF / �� � ((�R ALBEMARLE\ IS) �\-
OBTAINED FROM THE EROSION CONTROL INSPECTOR FOR THE REMOVAL OF SILT FENCING AND OTHER REMAINING . / / /-
ti`O /-
TEMPORARY EROSION CONTROL MEASURES. � / / / � �/ � � ...7
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Dustin E. �reene
Lic. No. Q
55833
7/07/21
SS1ONAL EN
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SCALE: 1 "=40'
JOB: 20.2154
FILE: 20.2154
C3
SHEET: OF OS
SEQUENCE OF CONSTRUCTION ,
1. AFTER OBTAINING ALL REQUIRED PERMITS THE CONTRACTOR SHALL � 1
COORDINATE APRE-CONSTRUCTION MEETING, ALLOWING 72 HOURS FOR ITS COORDINATION.
2. INSTALL CONSTRUCTION ENTRANCE OFF OF BUNDORAN DRIVE.
2.1. SHOULD THE TEMPORARY CONSTRUCTION ENTRANCE OFF OF BUNDORAN DRIVE
NOT BE MAINTAINED PROPERLY OR AN EXCESSIVE AMOUNT OF SOIL FOUND TRACKED ONTO
THE PRIVATE ROADWAY, THEN A PAVED CONSTRUCTION ENTRANCE, WATER TANKER TRUCK WITH
TWO (2) PRESSURE WASHERS AND A SETTLING AREA MAY BE REQUIRED BY THE EROSION AND
SEDIMENT CONTROL PROGRAM ADMINISTRATOR. SS I I I I
3. INSTALL DRIVEWAY TO THE EASTERN SIDE OF STREAM. �880� C(�ITICf�L SLdPE L CATION
4. PROVIDE SILT FENCE 1 BEHIND THE TOP EDGE OF THE LIVE STREAM NORMAL WATER SURFACE ELEVATION._/�8781 \ � I(PER ALBEMARL� GIS
5. DIVERT THE LIVE STREAM USING DIVERSION CHANNEL CROSSING TYPE A FOR UTILITY STREAM CROSSINGS. � �
6. REMOVE THE 12" EXISTING CULVERT.876- -- - - �b`O x I
7. INSTALL THE 24" HOPE CULVERT. //874- -_ - - - �
8. STABILIZE AREAS IN AN AROUND THE CULVERT PIPE, INLETS AND OUTFALLS. 872-
9. DIVERT THE LIVE STREAM BACK THROUGH THE 24" CULVERT. EL�` IS @ 20 \
.FEET �
10. REMOVE DIVERSION CHANNEL AND FILL IN THE REMAINDER OF THE DRIVEWAY CROSSING THE STREAM.
11. CLEARING AND GRUBBING SHALL FIRST BE LIMITED TO THAT NECESSARY TO INSTALOTHER
IMETER CONTROLS. ALL L SILT FENCE, AN
D-- - - - - - - -
UPSLOPEERAND DISTURBANCE THATPTA ES PLACERIMETER MUST BE MADE FUNCTIONAL PRIOR TO ANY 8619¢ `. - i
12. CLEAR AND GRUB THE REMAINDER OF PROJECT AREA.
12.1. THE LAND DISTURBANCE SHALL BE RESTRICTED TO THE LIMITS OF DISTURBANCE SHOWN IN THE APPROVED 404.72
EROSION CONTROL PLANS. N81'37ts '2
12.2. THESE LIMITS ARE CONFINED TO THE PROPERTY BOUNDARIES SHOWN HEREON THIS PLAN.
13. DENUDED AREAS SHALL DRAIN TO AN APPROVED EROSION CONTROL MEASURE AT ALL TIMES DURING CONSTRUCTION. `.�\2
14. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO ALL DENUDED AREAS WITHIN SEVEN DAYS
AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED / / / / / 7-8¢6 - Q• / / / //� � ^� � i I I I III � � � � I m \ \ � \ \
WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER
84
THAN 30 DAYS. PERMANENT STABWZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE � THAN ONE YEAR. /� u I I
15. LIME, FERTILIZE AND APPLY TEMPORARY OR PERMANENT SEEDING TO ALL DENUDED AREAS IMMEDIATELY AFTER / CWD
ACHIEVING FINAL GRADES. � OPL STREAM BUFFER
16. ALL PERMANENT SLOPES STEEPER THAN 3:1 SHALL RECEIVE STABILIZATION WITH LANDSCAPING VEGETATION HARDIER \E `__l_fplER A�BEMAR GIS) STREAM BUFFER�s-
THAN GRASS WHICH WILL NOT REQUIRE MOWING. `5-
17. AFTER PROPOSED CONSTRUCTION IS COMPLETED AND THE SITE IS COMPLETELY STABWZED PERMISSION IS TO BE SF / �� � ((�R ALBEMARLE\ IS) �\-
OBTAINED FROM THE EROSION CONTROL INSPECTOR FOR THE REMOVAL OF SILT FENCING AND OTHER REMAINING . / / /-
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TEMPORARY EROSION CONTROL MEASURES. � / / / � �/ � � ...7
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Lic. No. Q
55833
7/07/21
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JOB: 20.2154
FILE: 20.2154
C3
SHEET: OF OS
DESIGNED BY: DEG
DRAWN BY: ARC
CHECKED BY: DEG
DATE: 04-21-21
SCALE: 1 "=40'
JOB: 20.2154
FILE: 20.2154
C3
SHEET: OF OS
DATE: 04-21-21
SCALE: 1 "=40'
JOB: 20.2154
FILE: 20.2154
C3
SHEET: OF OS
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EROSION & SEDIMENT CONTROL LEGEND
CE 3.02 o CONSTRUCTION ENTRANCE SCC 3.17 STORMWATER CONVEYANCE
CHANNEL
CONSTRUCTION
CRS 3.03 CRS STABILIZATION ROAD Q P 3.18 OUTLET PROTECTION
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3.05 � SILT FENCE SC E3.2 UTILITY STREAM CROSSING
3.12 DIVERSION TS 3.31 lTS TEMPORARY SEEDING
CWD CLEAN WATER DIVERSION PS 3.32 PS PERMANENT SEEDING
DC [3. 3 9 DC DUST CONTROL
TOTAL DISTURBED AREA = 1.96 ACRES
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/ 1 / 810 � � I Entrances shall be 12 ft wide and
See V60T Road and fridge Standards. I r � I transition smoothly into the roadway
.4,STREAM� UFFER' Slid; PE-1 for cuUfill details I surface, Drivewayewey entrance pavement
/ �/ g16 PER ALB MIARLE GIS A71 entrance graves shall Stan back of 7 —
I a� m I shall extend to the right of way line.
�( � LI I'fS Othe shoulder line. F m � I when an existing street is redevelo etl
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EROSION AND SEDIMENT CONTROL NARRATIVE
PRIOR TO CONSTRUCTION
1. OWNER SHALL POST SURETY BONDS FOR CONSTRUCTION, EROSION &
SEDIMENT CONTROL.
2. CONTRACTOR SHALL OBTAIN PERMITS TO WORK WITHIN STATE
RIGHT-OF-WAY (VDOT LAND -USE PERMIT). BONDING FOR WORK
WITHIN THE VDOT RIGHT-OF-WAY MAY BE REQUIRED TO OBTAIN THE
PERMIT.
3. CONTRACTOR SHALL COORDINATE WITH OWNER TO OBTAIN VSMP
PERMITS, AS REQUIRED BY THE STATE DEPARTMENT OF
ENVIRONMENTAL QUALITY (DEQ).
4. CONTRACTOR SHALL OBTAIN LAND DISTURBANCE PERMIT FROM THE
COUNTY OF ALBEMARLE PRIOR TO BEGINNING CONSTRUCTION.
5. A PRE -CONSTRUCTION MEETING WITH THE ENGINEER, THE CERTIFIED
LAND DISTURBER, AND THE ENVIRONMENTAL INSPECTOR MAY ALSO BE
REQUIRED. ALLOW 72 HOURS FOR COORDINATION AND SCHEDULING
OF PRE -CONSTRUCTION MEETING.
6. AREA OF FOREST/OPEN SPACE SHALL BE DEMARCATED
(FENCED -OFF) PRIOR TO ANY LAND DISTURBING ACTIVITIES.
PROJECT DESCRIPTION
THIS PROJECT PROPOSES TO BUILD A SINGLE FAMILY RESIDENCE AND
BARN ON LOT "A9" LOCATED IN BUNDORAN FARM. THE DEVELOPMENT WILL
INCLUDE A LONG PRIVATE DRIVE LEADING TO THE RESIDENCE WITH PLANS
OF A FUTURE AGRICULTURAL BARN AND ASSOCIATED DRIVE. THE ALLOTTED
HOMESITE AREA CONSIST OF APPROXIMATELY 1.96 OF THE 23.6 ACRE
PARCEL. THE LIMITS OF DISTURBED LAND WILL INCLUDE APPROXIMATELY
1.96 ACRES IN TOTAL FOR THE DEVELOPMENT.
EXISTING SITE CONDITIONS
THE CURRENT CONDITIONS OF THIS LOT CONSISTS OF APPROXIMATELY 24
ACRES OF VACANT GENTLE SLOPING LAND THAT DRAINS TO THE
SOUTHEAST OF THE PROPERTY TO AN AN EXISTING CREEK.
ADJACENT AREAS
THE RESIDENTIAL LOT IS BOUND BY ADJACENT RESIDENTIAL PROPERTIES
ON THE NORTH AND SOUTH. THE PROPERTY IS BOUND TO THE
NORTHWEST BY ISRAEL MOUNTAIN AND FLOWS DOWN TO THE SOUTHEAST
BY PRIVATE ROAD BUNDORAN DRIVE
OFF -SITE AREAS
ANY EXCESS MATERIAL GENERATED AS PART OF THIS PROJECT SHALL BE
STORED OR SPREAD WITHIN THE APPROVED LAND DISTURBANCE AREA OR
IN AN AREA APPROVED BY THE COUNTY OF ALBEMARLE COMMUNITY
DEVELOPMENT DEPARTMENT.
SOILS
4D-ASHE LOAM. 15 TO 25 PERCENT SLOPES
HYDROLOGIC SOIL GROUP B. DEEP, MOUNTAIN SLOPES AND EXCESSIVELY
DRAINED. STARTING AT SURFACE LAYER TO SUBSTRATUM, SOIL LAYERS
CONSIST OF LOAM, SANDY LOAM, AND BEDROCK. PERMEABILITY IS
MODERATE WHILE AVAILABLE WATER CAPACITY IS LOW. SURFACE RUNOFF IS
MEDIUM. HAZARD OF EROSION IS MODERATE.
14C-CHESTER LOAM 7 TO 15 PERCENT SLOPES
HYDROLOGIC SOIL GROUP B. DEEP, HILL SLOPES, SUMMITS AND CONVEX
DOWN SLOPES WELL DRAINED. STARTING AT SURFACE LAYER TO
SUBSTRATUM, SOIL LAYERS CONSIST OF LOAM, CLAY LOAM, PERMEABILITY
AND WATER CAPACITY IS MODERATE. SURFACE RUNOFF IS MEDIUM. HAZARD
OF EROSION IS MODERATE.
14D-CHESTER LOAM, 15 TO 25 PERCENT SLOPES
HYDROLOGIC SOIL GROUP B. DEEP, HILL SLOPES, SUMMITS AND CONVEX
DOWN SLOPES WELL DRAINED. STARTING AT SURFACE LAYER TO
SUBSTRATUM, SOIL LAYERS CONSIST OF LOAM, CLAY LOAM, PERMEABILITY
AND WATER CAPACITY IS MODERATE. SURFACE RUNOFF IS MEDIUM. HAZARD
OF EROSION IS MODERATE.
14E-CHESTER LOAM, 25 TO 45 PERCENT SLOPES
HYDROLOGIC SOIL GROUP B. DEEP HILL SLOPES SUMMITS AND CONVEX
DOWN SLOPES WELL DRAINED. STARTING AT SURFACE LAYER TO
SUBSTRATUM, SOIL LAYERS CONSIST OF LOAM, CLAY LOAM, PERMEABILITY
AND WATER CAPACITY IS MODERATE. SURFACE RUNOFF IS MEDIUM. HAZARD
OF EROSION IS MODERATE.
19C-MINNIEVILLE LOAM 7 TO 15 PERCENT SLOPES
HYDROLOGIC SOIL GROUP B. DEEP, HILL SLOPES, SUMMITS AND CONVEX
DOWN SLOPES WELL DRAINED. STARTING AT SURFACE LAYER TO
SUBSTRATUM, SOIL LAYERS CONSIST OF LOAM, CLAY, PERMEABILITY AND
WATER CAPACITY IS MODERATE. SURFACE RUNOFF IS MEDIUM. HAZARD OF
EROSION IS MODERATE.
26C3-DYKE CLAY LOAM. 7 TO 15 PERCENT SLOPES, SEVERELY ERODED
HYDROLOGIC SOIL GROUP B. DEEP, MODERATELY SLOPING AND WELL
DRAINED. STARTING AT SURFACE LAYER TO SUBSTRATUM, SOIL LAYERS
CONSIST OF CLAY LOAM CLAY AND GRAVELLY CLAY. PERMEABILITY IS
MODERATE WHILE AVAILABLE WATER CAPACITY IS HIGH. SURFACE RUNOFF
IS MEDIUM. HAZARD OF EROSION IS SEVERE.
56B-MEADOWVILLE LOAM, 2 TO 7 PERCENT SLOPES
HYDROLOGIC SOIL GROUP A. INTERFLUVES, SUMMIT AND WELL DRAINED.
STARTING AT SURFACE LAYER TO SUBSTRATUM, SOIL LAYERS CONSIST OF
LOAM. PERMEABILITY AND WATER CAPACITY IS HIGH. SURFACE RUNOFF IS
LOW. HAZARD OF EROSION IS SLIGHT.
66E-HIWASSEE LOAM, 25 TO 45 PERCENT SLOPES
HYDROLOGIC SOIL GROUP A. INTERFLUVES, BACK AND SIDE SLOPE,
EXCESSIVELY WELL DRAINED. STARTING AT SURFACE LAYER TO
SUBSTRATUM, SOIL LAYERS CONSIST OF STONY LOAM, COBBLY LOAM, AND
BEDROCK. PERMEABILITY IS HIGH AND WATER CAPACITY IS LOW. SURFACE
RUNOFF IS MEDIUM. HAZARD OF EROSION IS MODERATE.
CRITICAL AREAS
AN INTERMITTENT STREAM AND WPO BUFFER ARE PRESENT JUST WEST
OF BUNDORAN DRIVE.
STRUCTURAL PRACTICES
5. TEMPORARY CONSTRUCTION ENTRANCE (3.02) - A TEMPORARY
CONSTRUCTION ENTRANCE SHALL BE INSTALLED AT SITE ENTRANCE
OFF OF PLANK ROAD.
6. ROAD STABILIZATION (3.03) - ACCESS ROADS, PARKING AREAS, AND
OTHER ON -SITE VEHICLE TRANSPORTATION ROUTES SHALL BE
STABILIZED WITH STONE IMMEDIATELY AFTER GRADING.
7. SILT FENCE BARRIER (3.05) - SILT FENCE BARRIERS WILL BE
INSTALLED TO FILTER RUNOFF FROM SHEET FLOW AS INDICATED ON
THE EROSION AND SEDIMENT CONTROL PLAN.
VEGETATIVE PRACTICES
1. SURFACE ROUGHENING (3.29) - ALL AREAS WITH A GRADE STEEPER
THAN 3:1 SHALL BE STAIR -STEP GRADED OR GROOVED (PLATE
3,29-4) TO AID IN GRASS ESTABLISHMENT, INCREASE INFILTRATION,
AND TO SLOW RUNOFF VELOCITIES.
2. TOPSOILING & STOCKPILING (3.301 - TOPSOIL WILL BE STRIPPED
FROM AREAS TO BE GRADED AND STOCKPILED FOR LATER USE.
STOCKPILES ARE TO BE STABILIZED WITH TEMPORARY VEGETATION OR
TO HAVE SILT FENCE INSTALLED ALONG THE LOWER PERIMETER TO
PROTECT DOWNSTREAM AREAS.
3. TEMPORARY SEEDING (3.31) - AREAS NOT BROUGHT TO FINAL
GRADE FOR A PERIOD OF MORE THAN 14 DAYS SHALL BE
STABILIZED WITH A TEMPORARY SEED MIXTURE ACCEPTABLE FOR THAT
TIME OF YEAR. CRIMPING, PUNCH ROLLER -TYPE ROLLERS, OR TRACK
WALKING MAY BE USED TO INCORPORATE STRAW MULCH INTO THE
SOIL ON SLOPES IF STRAW IS TO BE USED.
4. PERMANENT SEEDING (3.32) - AREAS BROUGHT TO FINAL GRADE OR
THOSE CONSTRUCTION AREAS THAT WILL REMAIN DORMANT FOR YEAR
OR MORE SHALL BE STABILIZED WITH A PERMANENT SEED MIXTURE
ACCEPTABLE TO THAT TIME OF YEAR. PREPARE SURFACE WITH
APPROVED TREATMENT AND ADDITIVES PRIOR TO APPLYING SEED.
5. DUST CONTROL (3.39) - DUST CONTROL METHODS MUST BE USED
TO REDUCE THE AMOUNT OF AIRBORNE DUST DURING ALL PHASES
OF CONSTRUCTION WHERE SOIL IS EXPOSED OR DISTURBED.
MANAGEMENT STRATEGIES
1. CONSTRUCTION WILL BE SEQUENCED SO THAT GRADING OPERATIONS
CAN BEGIN AND END AS QUICKLY AS POSSIBLE.
2. THE CONSTRUCTION ENTRANCE AND PERIMETER EROSION CONTROL
MEASURES SUCH AS TREE PROTECTION AND SILT FENCE SHALL BE
INSTALLED AS THE FIRST STEP OF DISTURBANCE.
3. SEDIMENT TRAP MEASURE SHALL BE INSTALLED WITH PERIMETER SILT
FENCE PRIOR TO ANY GRADING AND SHALL BE SEEDED AND
MULCHED IMMEDIATELY FOLLOWING INSTALLATION.
4. THE SEDIMENT TRAP SHALL BE CHECKED FOR SEDIMENT
ACCUMULATION AFTER EVERY RUNOFF PRODUCING STORM EVENT.
SEDIMENT SHOULD BE REMOVED WHEN IT REACHES ONE-HALF OF
THE DESIGN VOLUME OF THE WET STORAGE.
5. TEMPORARY SEEDING OR OTHER STABILIZATION METHODS, SUCH AS
BASE AGGREGATE WILL FOLLOW IMMEDIATELY AFTER REACHING FINAL
GRADES.
6. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT
A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND
RE -SEEDED AS NEEDED TO ESTABLISH GROWTH.
7. THE JOB SUPERINTENDENT SHALL BE RESPONSIBLE FOR THE
INSTALLATION AND MAINTENANCE OF ALL EROSION AND SEDIMENT
CONTROL PRACTICES.
8. DURING FINE GRADING OPERATIONS, MAINTAIN ALL DIVERSION DITCHES
TO THE SEDIMENT TRAP. THE SEDIMENT TRAP SHALL REMAIN
FUNCTIONAL THROUGHOUT CONSTRUCTION.
AFTER BEING NOTIFIED BY THE EROSION AND SEDIMENT CONTROL
ADMINISTRATOR, THE TEMPORARY EROSION AND SEDIMENT CONTROLS
CAN BE CLEANED UP OR REMOVED, AND THE SEDIMENT TRAP CAN BE
FILLED IN AND SEEDED FOR SITE STABILIZATION.
PERMANENT STABILIZATION
ALL AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH
STRAW & SEED IMMEDIATELY FOLLOWING FINISHED GRADE. SEEDING
SHALL BE DONE WITH KENTUCKY 31 TALL FESCUE IN ACCORDANCE TO
STANDARD AND SPECIFICATION 3.32, PERMANENT SEEDING, OF THE
VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. ANY FERTILIZER
AND LIME APPLICATIONS SHALL BE IN ACCORDANCE WITH SOIL TEST
RESULTS. ALL SEEDED AREAS WILL BE STRAW MULCHED TO PROTECT
AGAINST RILL EROSION AND TO PRESERVE SOIL MOISTURE THAT WILL
ENHANCE SEED GERMINATION. CRIMPING, PUNCH ROLLER -TYPE ROLLERS,
OR TRACK WALKING MAY BE USED TO INCORPORATE STRAW MULCH INTO
THE SOIL ON SLOPES IF STRAW IS TO BE USED.
EROSION CONTROL MAINTENANCE
1. IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL
BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAINFALL. THE
FOLLOWING ITEMS WILL BE CHECKED IN PARTICULAR:
2. THE CONSTRUCTION ENTRANCE SHALL BE CHECKED DAILY FOR SOIL
BUILDUP. IF THE ENTRANCE BECOMES CLOGGED WITH SOIL AND FAILS
TO PREVENT THE TRANSPORTATION OF SOIL ONTO THE ROADWAY,
ADDITIONAL STONE, REPLACEMENT OF STONE, OR A WASH -RACK MAY
BE REQUIRED.
3. SILT FENCE SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL
AND AT LEAST DAILY DURING PROLONGED RAINFALL. CLOSE
ATTENTION SHALL BE PAID TO THE REPAIR OF DAMAGED SILT FENCE
RESULTING FROM END RUNS AND UNDERCUTTING. SHOULD THE
FABRIC ON A SILT FENCE DECOMPOSE OR BECOME INEFFECTIVE
PRIOR TO THE END OF THE EXPECTED USABLE LIFE AND THE
BARRIER STILL BE NECESSARY THE FABRIC SHALL BE REPLACED
PROMPTLY. SEDIMENT DEPOSITS SHOULD BE REMOVED AFTER EACH
STORM EVENT. THEY MUST BE REMOVED WHEN DEPOSITS REACH
APPROXIMATELY ONE-HALF THE HEIGHT OF THE BARRIER. ANY
SEDIMENT DEPOSITS REMAINING IN PLACE AFTER THE SILT FENCE IS
NO LONGER REQUIRED SHALL BE DRESSED TO CONFORM WITH THE
EXISTING GRADE, PREPARED, AND SEEDED.
4. DIVERSION DIKES SHALL BE INSPECTED AFTER EVERY STORM AND
REPAIRS MADE TO THE DIKE, FLOW CHANNEL, OUTLET, OR SEDIMENT
TRAPPING FACILITY AS NECESSARY. ONCE EVERY TWO WEEKS,
WHETHER A STORM EVENT HAS OCCURRED OR NOT, THE MEASURE
SHALL BE INSPECTED AND REPAIRS MADE IF NEEDED. DAMAGES
CAUSED BY CONSTRUCTION TRAFFIC OR OTHER ACTIVITY MUST BE
REPAIRED BEFORE THE END OF EACH WORKING DAY.
5. STORMWATER CONVEYANCE CHANNELS (WHERE APPLICABLE):
5.1. GRASS LINED CHANNELS - DURING THE INITIAL ESTABLISHMENT,
GRASS LINED CHANNELS SHOULD BE REPAIRED IMMEDIATELY
AND RE-ESTABLISHED IF NECESSARY. AFTER GRASS HAS
BECOME ESTABLISHED, THE CHANNEL SHOULD BE CHECKED
PERIODICALLY TO DETERMINE IF THE GRASS IS WITHSTANDING
FLOW VELOCITIES WITHOUT DAMAGE. IF THE CHANNEL IS TO BE
MOWED, IT SHOULD BE DONE IN A MANNER THAT IT WILL NOT
DAMAGE THE GRASS.
5.2. RIPRAP-LINED CHANNELS - RIPRAP LINED CHANNELS SHOULD
BE CHECKED PERIODICALLY TO ENSURE THE SCOUR IS NOT
OCCURRING BENEATH FABRIC UNDERLINING OF THE RIPRAP
LAYER. THE CHANNEL SHOULD ALSO BE CHECKED TO
DETERMINE THE STONES ARE NOT DISLODGED BY LARGE
FLOWS.
5.3. IF SEDIMENT IS DEPOSITED IN A GRASS -LINED CHANNEL, IT
SHOULD BE REMOVED PROMPTLY TO PREVENT DAMAGE TO THE
GRASS. SEDIMENT DEPOSITED IN A RIPRAP CHANNEL SHOULD BE
REMOVED WHEN IT REDUCES THE CAPACITY OF THE CHANNEL.
6. CHECK DAMS (WHERE APPLICABLE): SHALL BE CHECKED FOR
SEDIMENT ACCUMULATION AFTER EVERY RUNOFF PRODUCING STORM
EVENT. SEDIMENT SHOULD BE REMOVED WHEN IT REACHES
ONE-HALF OF THE ORIGINAL HEIGHT OF THE MEASURE. REGULAR
INSPECTIONS SHALL BE MADE TO INSURE THE CENTER OF EACH DAM
IS LOWER THAN THE EDGES. EROSION CAUSED BY HIGH FLOWS
AROUND THE EDGES OF THE DAM SHOULD BE CORRECTED
IMMEDIATELY.
7. THE EARTHEN EMBANKMENTS SHALL BE CHECKED REGULARLY TO
ENSURE THAT IT IS STRUCTURALLY SOUND AND HAS NOT BEEN
DAMAGED BY EROSION OR CONSTRUCTION EQUIPMENT.
8. THE STORMWATER MANAGEMENT FACILITIES SHOULD BE CHECKED
REGULARLY BY THE HOMEOWNERS ASSOCIATIONS TO ENSURE THAT
THEY ARE STRUCTURALLY SOUND AND HAVE NOT BEEN DAMAGED BY
EROSION.
9. THE EMERGENCY SPILLWAY SHALL BE CHECKED REGULARLY TO
ENSURE THAT ITS LINING IS WELL ESTABLISHED AND EROSION
RESISTANT. GRASS SHALL BE KEPT MOWN BELOW A HEIGHT OF 15"
AND THE OUTLET SHOULD BE CHECKED FOR CLOGGING.
10. THE DAM SECTION SHALL BE KEPT FREE OF SAPLINGS OR
TREES.(REFER TO THE ADDITIONAL MAINTENANCE SPECIFICATIONS)
11. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT
A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND
RE -SEEDED AS NEEDED. IN THE EVENT THAT THE APPLIED SEEDING
FAILS TO TAKE HOLD, BLANKET MATTING SHALL BE PLACED IN
APPROPRIATE AREAS DEEMED NECESSARY BY THE ENGINEER OR
EROSION CONTROL INSPECTOR.
SEQUENCE OF CONSTRUCTION
1. AFTER OBTAINING ALL REQUIRED PERMITS THE CONTRACTOR SHALL
COORDINATE A PRE -CONSTRUCTION MEETING, ALLOWING 72 HOURS
FOR ITS COORDINATION.
2. INSTALL CONSTRUCTION ENTRANCE OFF OF BUNDORAN DRIVE.
2.1. SHOULD THE TEMPORARY CONSTRUCTION ENTRANCE OFF OF
BUNDORAN DRIVE NOT BE MAINTAINED PROPERLY OR AN
EXCESSIVE AMOUNT OF SOIL FOUND TRACKED ONTO THE
PRIVATE ROADWAY, THEN A PAVED CONSTRUCTION ENTRANCE,
WATER TANKER TRUCK WITH TWO (2) PRESSURE WASHERS AND
A SETTLING AREA MAY BE REQUIRED BY THE EROSION AND
SEDIMENT CONTROL PROGRAM ADMINISTRATOR.
3. INSTALL DRIVEWAY TO THE EASTERN SIDE OF STREAM.
4. PROVIDE SILT FENCE 1' BEHIND THE TOP EDGE OF THE LIVE STREAM
NORMAL WATER SURFACE ELEVATION.
5. DIVERT THE LIVE STREAM USING DIVERSION CHANNEL CROSSING TYPE
A FOR UTILITY STREAM CROSSINGS.
6. REMOVE THE 12" EXISTING CULVERT.
7. INSTALL THE 24" HDPE CULVERT.
8. STABILIZE AREAS IN AN AROUND THE CULVERT PIPE, INLETS AND
OUTFALLS.
9. DIVERT THE LIVE STREAM BACK THROUGH THE 24" CULVERT.
10. REMOVE DIVERSION CHANNEL AND FILL IN THE REMAINDER OF THE
DRIVEWAY CROSSING THE STREAM.
11. CLEARING AND GRUBBING SHALL FIRST BE LIMITED TO THAT
NECESSARY TO INSTALL SILT FENCE, AND OTHER PERIMETER
CONTROLS. ALL PERIMETER CONTROLS MUST BE MADE FUNCTIONAL
PRIOR TO ANY UPSLOPE LAND DISTURBANCE THAT TAKES PLACE.
12. CLEAR AND GRUB THE REMAINDER OF PROJECT AREA.
12.1.THE LAND DISTURBANCE SHALL BE RESTRICTED TO THE LIMITS
OF DISTURBANCE SHOWN IN THE APPROVED EROSION CONTROL
PLANS.
12.2. THESE LIMITS ARE CONFINED TO THE PROPERTY BOUNDARIES
SHOWN HEREON THIS PLAN.
13. DENUDED AREAS SHALL DRAIN TO AN APPROVED EROSION CONTROL
MEASURE AT ALL TIMES DURING CONSTRUCTION.
14. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED
TO ALL 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.
15. LIME, FERTILIZE AND APPLY TEMPORARY OR PERMANENT SEEDING TO
ALL DENUDED AREAS IMMEDIATELY AFTER ACHIEVING FINAL GRADES.
16. ALL PERMANENT SLOPES STEEPER THAN 3:1 SHALL RECEIVE
STABILIZATION WITH LANDSCAPING VEGETATION HARDIER THAN GRASS,
WHICH WILL NOT REQUIRE MOWING.
17. AFTER PROPOSED CONSTRUCTION IS COMPLETED AND THE SITE IS
COMPLETELY STABILIZED, PERMISSION IS TO BE OBTAINED FROM THE
EROSION CONTROL INSPECTOR FOR THE REMOVAL OF SILT FENCING
AND OTHER REMAINING TEMPORARY EROSION CONTROL MEASURES.
EROSION AND SEDIMENT CONTROL MINIMUM STANDARDS
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 14 DAYS. PERMANENT STABILIZATION
SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR
MORE THAN ONE YEAR.
CONTRACTOR SHALL ESTABLISH A STABILIZED SITE AND NOT ALLOW ANY
SEDIMENT TO EXIT THE PROJECT LIMITS.
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.
CONTRACTOR TO PROTECT STOCKPILE AREAS WITH SILT FENCE.
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.
CONTRACTOR SHALL ESTABLISH A VEGETATIVE COVER ON ALL DENUDED
AREAS.
4. 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.
CONTRACTOR SHALL ESTABLISH THE PERIMETER CONTROLS OF SUPER SILT
FENCE AS THE FIRST STEP OF THE LANDS DISTURBANCE FOR THIS
PROJECT.
5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN
STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS IMMEDIATELY
AFTER INSTALLATION.
CONTRACTOR SHALL INSPECT EROSION CONTROL MEASURES AFTER EACH
RAINFALL EVENT.
6. SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE DESIGNED AND
CONSTRUCTED BASED UPON THE TOTAL DRAINAGE AREA TO BE
SERVED BY THE TRAP OR BASIN.
THERE ARE NO SEDIMENT TRAPS OR BASINS PROPOSED.
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.
B. SURFACE RUNOFF FROM DISTURBED AREAS THAT IS COMPRISED OF
FLOW FROM DRAINAGE AREAS GREATER THAN OR EQUAL TO THREE
ACRES SHALL BE CONTROLLED BY A SEDIMENT BASIN. THE MINIMUM
STORAGE CAPACITY OF A SEDIMENT BASIN SHALL BE 134 CUBIC
YARDS PER ACRE OF DRAINAGE AREA. THE OUTFALL SYSTEM SHALL,
AT A MINIMUM, MAINTAIN THE STRUCTURAL INTEGRITY OF THE BASIN
DURING A 25-YEAR STORM OF 24-HOUR DURATION. RUNOFF
COEFFICIENTS USED IN RUNOFF CALCULATIONS SHALL CORRESPOND TO
A BARE EARTH CONDITION OR THOSE CONDITIONS EXPECTED TO EXIST
WHILE THE SEDIMENT BASIN IS UTILIZED.
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.THERE
ARE NO PROPOSED CUT OR FILL SLOPES. HOWEVER, THE
CONTRACTOR IS TO RESTORE THE PROJECT AREA TO EXISTING
GRADE. IF THE AREAS WITH NATURALLY STEEP SLOPES ARE FOUND
TO BE ERODING EXCESSIVELY AFTER ONE YEAR, CONTRACTOR IS TO
PROVIDE ADDITIONAL SLOPE STABILIZING MEASURES UNTIL THE
PROBLEM IS CORRECTED.
8. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL
SLOPES UNLESS CONTAINED WITHIN AN ADEQUATE TEMPORARY OR
PERMANENT CHANNEL, FLUME OR SLOPE DRAIN STRUCTURE. MAXIMIZE
SHEETFLOW AND GROUNDWATER INFILTRATION
9. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE
OR OTHER PROTECTION SHALL BE PROVIDED.CONTRACTOR TO NOTIFY
ENGINEER AND COUNTY EROSION CONTROL INSPECTOR.
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.THERE
ARE NO STORM SEWER INLETS PROPOSED.
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.THERE ARE NO STORMWATER CONVEYANCE
CHANNELS OR PIPES PROPOSED.
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. NON -ERODIBLE MATERIAL
SHALL BE USED FOR THE CONSTRUCTION OF CAUSEWAYS AND
COFFERDAMS. EARTHEN FILL MAY BE USED FOR THESE STRUCTURES
IF ARMORED BY NON -ERODIBLE COVER MATERIALS.CONTRACTOR
SHALL FOLLOW THE VESCH CHAPTER 3.25 UTILITY STREAM CROSSING
REQUIREMENTS FOR THE TWO INTERMITTENT STREAM CROSSINGS.
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
NON -ERODIBLE MATERIAL SHALL BE PROVIDED.CONTRACTOR SHALL
FOLLOW THE VESCH CHAPTER 3.25 UTILITY STREAM CROSSING
REQUIREMENTS FOR THE TWO INTERMITTENT STREAM CROSSINGS.
14. ALL APPLICABLE FEDERAL, STATE AND LOCAL REQUIREMENTS
PERTAINING TO WORKING IN OR CROSSING LIVE WATERCOURSES
SHALL BE MET.CONTRACTOR SHALL FOLLOW FOLLOW ALL APPLICABLE
FEDERAL, STATE AND LOCAL REQUIREMENTS FOR THE TWO
INTERMITTENT STREAM CROSSINGS.
15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED
IMMEDIATELY AFTER WORK IN THE WATERCOURSE IS
COMPLETED.CONTRACTOR SHALL FOLLOW THE VESCH CHAPTER 3.25
UTILITY STREAM CROSSING REQUIREMENTS FOR THE TWO
INTERMITTENT STREAM CROSSINGS.
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. RE -STABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH
THIS CHAPTER.
F. APPLICABLE SAFETY REQUIREMENTS SHALL BE COMPLIED
WITH.CONTRACTOR TO ADHERE TO THE APPLICABLE STANDARD FOR
PRIVATE AND PUBLIC UTILITY INSTALLATION.
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.CONTRACTOR SHALL MAKE PROVISIONS TO KEEP ADJACENT
ROADS CLEAN FROM SOIL BUILD-UP.
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 VESCP 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.CONTRACTOR SHALL STABILIZE SITE, AND OBTAIN
INSPECTOR APPROVAL PRIOR TO REMOVING EC MEASURES. UPON
APPROVAL OF THE ENVIRONMENTAL INSPECTOR, INSTALL INFILTRATION
AREAS AND CONNECT ROOF DRAINS.
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
FOLLOWING STANDARDS AND CRITERIA. STREAM RESTORATION AND
RELOCATION PROJECTS THAT INCORPORATE NATURAL CHANNEL DESIGN
CONCEPTS ARE NOT MAN-MADE CHANNELS AND SHALL BE EXEMPT
FROM ANY FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS FOR
NATURAL OR MAN-MADE CHANNELS:THIS PROJECT DOES NOT INCLUDE
ANY ADDITIONAL IMPERVIOUS SURFACES AND THE PROJECT AREA WILL
BE RESTORED TO ITS EXISTING CONIDTIONS.THEREFORE WILL NOT
PRODUCE ANY ADDITIONAL STORMWATER RUNOFF.
A. CONCENTRATED STORMWATER RUNOFF LEAVING A DEVELOPMENT SITE
SHALL BE DISCHARGED DIRECTLY INTO AN ADEQUATE NATURAL OR
MAN-MADE RECEIVING CHANNEL, PIPE OR STORM SEWER SYSTEM. FOR
THOSE SITES WHERE RUNOFF IS DISCHARGED INTO A PIPE OR PIPE
SYSTEM, DOWNSTREAM STABILITY ANALYSES AT THE OUTFALL OF THE
PIPE OR PIPE SYSTEM SHALL BE PERFORMED.
B. ADEQUACY OF ALL CHANNELS AND PIPES SHALL BE VERIFIED USING
THE VSMP CHANNEL PROTECTION CRITERIA. STORMWATER DISCHARGES
ARE CLASSIFIED INTO ONE OF THREE TYPES OF CHANNEL.
(1) "MANMADE STORMWATER CONVEYANCE SYSTEM" MEANS A
PIPE, DITCH, VEGETATED SWALE, OR OTHER STORMWATER
CONVEYANCE SYSTEM CONSTRUCTED BY MAN EXCEPT FOR
RESTORED STORMWATER CONVEYANCE SYSTEMS OR,
(A) THE MANMADE STORMWATER CONVEYANCE SYSTEM SHALL
CONVEY THE POST -DEVELOPMENT PEAK FLOW RATE FROM
THE TWO-YEAR EVENT WITHOUT CAUSING EROSION OF THE
SYSTEM DETENTION OF THE STORMWATER OR DOWNSTREAM
IMPROVEMENTS MAY BE INCORPORATED INTO THE APPROVED
LAND -DISTURBING ACTIVITY TO MEET THIS CRITERIA AT THE
DISCRETION OF THE STORMWATER PROGRAM ADMINISTRATIVE
AUTHORITY.
(B) THE PEAK DISCHARGE REQUIREMENTS FOR CONCENTRATED
STORMWATER FLOW TO NATURAL STORMWATER CONVEYANCE
SYSTEMS SHALL BE MET.
QDEVELOPED <= I.F. * (QPRE-DEV. * RVPRE-DEV.) /
RVDEVELOPED
UNDER NO CONDITION SHALL QDEVELOPED > QPRE-DEV.
NOR SHALL QDEVELOPED BE REQUIRED TO BE LESS THAN
THAT
QFOREST * RVPRE-DEV.)/RVDEVELOPED
OR IN ACCORDANCE WITH ANOTHER METHODOLOGY THAT IS
DEMONSTRATED BY THE VSMP AUTHORITY TO ACHIEVE
EQUIVALENT RESULTS AND IS APPROVED BY THE BOARD.
(2) "NATURAL STORMWATER CONVEYANCE SYSTEM" MEANS THE
MAIN CHANNEL OF A NATURAL STREAM AND THE FLOOD -PRONE
AREA ADJACENT TO THE MAIN CHANNEL OR,
(3) "RESTORED STORMWATER CONVEYANCE SYSTEM" MEANS A
STORMWATER CONVEYANCE SYSTEM THAT HAS BEEN DESIGNED
AND CONSTRUCTED USING NATURAL CHANNEL DESIGN
CONCEPTS. RESTORED STORMWATER CONVEYANCE SYSTEMS
INCLUDE THE MAIN CHANNEL AND THE FLOOD -PRONE AREA
ADJACENT TO THE MAIN CHANNEL.
(A) THE DEVELOPMENT SHALL BE CONSISTENT, IN COMBINATION
WITH OTHER STORMWATER RUNOFF, WITH THE DESIGN
PARAMETERS OF THE RESTORED STORMWATER CONVEYANCE
SYSTEM THAT IS FUNCTIONING IN ACCORDANCE WITH THE
DESIGN OBJECTIVES.
(B) THE PEAK DISCHARGE REQUIREMENTS FOR CONCENTRATED
STORMWATER FLOW TO NATURAL STORMWATER CONVEYANCE
SYSTEMS SHALL BE MET. SEE 19(B)(1)(B).
EROSION &SEDIMENT CONTROL LEGEND
CE 3.02 CONSTRUCTION ENTRANCE
CRS 3.03 CRS STABILIZATION ROAD
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SC 3.25 UTILITY STREAM CROSSING
TS 3.31 TS TEMPORARY SEEDING
PS 3.32 PS PERMANENT SEEDING
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DESIGNED BY:
DEG
DRAWN BY:
ARC
CHECKED BY:
DEG
DATE:
04-21-21
SCALE:
N.T.S.
JOB:
20.2154
FILE:
20.2154
SHEET:
OF OS
c E CONSTRUCTION ENTRANCE
STONE 70' MIN.
CONSTRUCTION
ACCESS /-3" SM-2A ASPHALT TOP
/ COURSE EXISTING
2%// ?% PAVEMENT
6" M:N. 21A AGGR=GAIN BASE
PROFILE
70' MIN,
STONE
CONSTRUCTION ASPHALT PAVE➢.
ACCESS A WASHRACK
EXISTING
rl 2% 2% PAVEMENT
-�'
2% 12' MIN.*
*MUST EXTEND FULL WIDTH `--O POSITIVE DRAINAGE
TO SEDIMENT
OF INGRESS AND EGRESS
� TRAPPING DEVICE
OPERATION
PLAN
12' MIN. POSITIVE DRAINAGE
2% TO SEDIMENT
., TRAPPING DEVICE
S .
FILTER CLOTH
SECTION A -A
A m hI6nat m water tap of 1 iuch must be installed with a nliuiti 1 iffch ballcock
shutoff t 2h a s11pp1yiu-
, a wash hose with a diameter of 1.5 inches for adequate
Constant pressure. Wash water nntst be Carried away from the entrance to an
approved sett)u1, area to iemiove scc Wmemt. All sedinieirt shall be pieveiftecl Sum
entefine stoun drams. cktches or watercourses.
PAVED WASH RACK
NO SCA-E
Dv DIVERSION
DIVERSION
10% SETTLEMENT
0.3' FREE BOARD
TYPICAL VEE-SHAPED DIVERSION
Source: Va. DSWC
Plate 3.12-1
TYPICAL ORIENTATION OF
TREA TMENT - >
(SOIL STABILIZATION BLANKET)
SHALLOW
ON StlN.L4N( SLOPES, STRIPS OF
NETTING PROTECTIVE COVERINGS
MAY BE APPLIED ACROSS
THE SLOPE.
BERM
WHERE THERE IS A BERM AT THE TOP OF THE SLOPE,
BRING THE MATERIAL OVER THE BERM AND ANCHOR IT
BEHIND THE BERM.
ON SIEEP SLOPES, APPLY
PROTECTIVE COVERING PARALLEL
TO THE DIRECTION OF FLOW
AND ANCHOR SECURELY.
BRING MATERIAL DOWN TO A LEVEL MEA BEFORE
TERMINATING THE INSTALLATION. TURN THE END .�+.cwi. •
•"+V�
�„
UNDER 4' AND STAPLE AT 12' INTERVALS.
'+
12'
IN DITCHES, APPLY PROTECTIVE COVERING
PARALLEL TO THE DIRECTION OF FLOW.
USE CHECK SLOTS AS REQUIRED. AVOID
JOINING MATERIAL IN THE CENTER OF
THE DTrCH IF AT ALL POSSIBLE.
sF SILT FENCE
CONSTRUCTION OF A SILT FENCE
(WITHOUT WIRE SUPPORT)
1. SET THE STAKES. 2. EXCAVATE A 4"X 4" TRENCH
UPSLOPE ALONG THE LINE OF
STAKES.
6-MAX.
IIII
FLOM
4-
3. STAPLE FILTER MATERIAL 4. BACKFILL AND COMPACT
TO STAKES AND EXTEND THE EXCAVATED SOIL.
IT INTO THE TRENCH.
,. . IIII
- III . •.„ _III ....
SHEET FLOW INSTALLATION
(PERSPECTIVE VIEW)
FLOW FLOW
A A
B SILT FENCE
-1 I I-III-III-III-III-III-III=11I I-
'
I, ,1 I 1-1 1I-
SF/STONE NOT REQUIRED AFTER SLOPES ARE STABILIZED DOWNSLOPE OF OUTFALL
POINTS A SHOULD BE HIGHER THAN POINT B.
DRAINAGEWAY INSTALLATION
(FRONT ELEVATION)
SOURCE: Adapted from Installation of Straw and Fabric Filter Barriers for Sediment Control,VA. DSWC
FERTILIZER: 10-20-10: 1,000 LBS/ACRE
SEPTEMBER- FEBRUARY 15: 50% ANNUAL RYE & 50% WINTER RYE 100 LBS/ACRE
FEBRUARY 16-APRIL 30: ANNUAL RYE 100 LBS/ACRE MAY -AUGUST: GERMAN MILLET 50
LBS/ACRE OTHER OPTIONS EXIST, SEE VA EROSION AND SEDIMENT CONTROL HANDBOOK.
SUGGESTED PERMANENT SEEDING MIXTURE
LIME: 2 TONS/ACRE FERTILIZER: 10-20-10 1,000 LBS/ACRE
MARCH -MAY 15: KENTUCKY 31 FESCUE 200 LBS/ACRE, ANNUAL RYE 20 LBS/ACRE MAY
16-AUGUST 15: KENTUCKY 31 FESCUE 200 LBS/ACRE, FOXTAIL MILLET 20 LBS/ACRE
AUGUST 16-OCTOBER: KENTUCKY 31 FESCUE 200 LBS/ACRE, ANNUAL RYE 20 LBS/ACRE
NOVEMBER-FEBRUARY: KENTUCKY 31 FESCUE 200 LBS/ACRE, WINTER RYE 20 LBS/ACRE
TYPICAL TREATMENT - >
(SOIL STABILIZATION BLANKET)
INSTALLATION CRITERIA
ANCHOR SLOT
to S4
APPROXIMATELY 2S.0 STAPLES REQUIRED
PER APPROXIMATELY
50. Y OF MATERIAL ROLL
ANCHOR SLOTS, JUNCTION SLOTS &
CHECK SLOTS TO BE BURIED 6' TO 12'.
+/ 12' MAX. 4:1 OR FLATTER
6' MAX. STEEPER THAN 4:1
JUNCTION SLOT I�
EDGE AND END JOINTS I I I I III I I I
CHECK SLOT ' TO BE SNUGLY ABUTTED
(JUTE MESH WILL HAVE I I I
TERMINAL FOLD STAPLED LAP JOINT IN
LIEU OF EDGE JOINT)
lAP JOINT 2' MIN. I I I II I
TAMP FIRMLY (JUTE MESH ONLY) I I I
ANCHOR SLOT I I
5' MAX. 4.1 OR FLATTER
3' MAX. STEEPER THAN 4:1 I 1 I I
2'
o
T f
12- I I
I I
1 1 I I I
I
I I I I
2' TAMP CHECK SLOT
FIRMLY
e'11
TO 12'
JUNK
2'
12' y
T
+CHECK SLOT
1* TO 2* I I
I I I I I
VAR. VAR.
6' TO 6' MIN. PLAN VIEW
STAPLING DIAGRAM
STAPLE FORMED FROM NO.11 STEEL WIRE *CHECK SLOTS AT MIN.
50' C-C INTERVALS
8' STAPLE MIN. LENGTH FOR SANDY SOIL NOT REQ.'D WITH ALL
6' STAPLE MIN. LENGTH FOR OTHER SOIL 'COMBINATION -BLANKETS
TERMINAL FOLD
6' TO 12' TAMP FIRMLY
�4� r 2.
T
SOURCE: VDOT ROAD AND BRIDGE STANDARDS PLATE: 3.36-2
PERMANENT SEEDING MIXTURES FOR
Ps THE PIEDMONT AREA
TABLE 25
TOTAL LBS. PER ACRE
MINIMUM CARE LAWN - COMMERCIAL OR RESIDENTIAL
175-200 LBS.
KENTUCKY 31 OR TURF -TYPE TALL FESCUE
95-100%
IMPROVED PERENNIAL RYE GRASS
0-5%
KENTUCKY BLUEGRASS
0-5%
HIGH MAINTENANCE LAWN
200-250 LBS.
- KENTUCKY 31 OR TURF -TYPE TALL FESCUE
100%
GENERAL SLOPE (3:1 OR LESS)
KENTUCKY 31 FESCUE
128 LBS.
RED TOP GRASS
2 LBS.
SEASONAL NURSE CROP*
20 LBS.
LOW -MAINTENANCE SLOPE (STEEPER THAN 3:1)
- KENTUCKY 31 FESCUE 108 LBS.
- RED TOP GRASS 2 LBS.
- SEASONAL NURSE CROP* 20 LBS.
- CROWN VETCH** 20 LBS.
TOTAL 150 LBS.
*USE SEASONAL NURSE CROP IN ACCORDANCE WITH SEEDING DATES AS STATED
BELOW:
FEBRUARY 16TH THROUGH APRIL 30TH............ ANNUAL RYE
MAY 1 ST THROUGH AUGUST 15TH ................ FOXTAIL MILLET
AUGUST 16TH THROUGH OCTOBER 31ST........... ANNUAL RYE
NOVEMBER 1 ST THROUGH FEBRUARY 15TH ........ANNUAL RYE
SUBSTITUTE SERICEA LESPEDEZA FOR CROWNVETCH EAST OF FARMVILLE, VA
(MAY THROUGH SEPTEMBER USE HULLED SERICEA, ALL OTHER PERIODS, USE
UNHULLED SERICEA.) IF FLATPEA IS USED IN LIEU OF CROWNVETCH, INCREASE
RATE TO 30 LBS./ACRE. ALL LEGUME SEED MUST BE PROPERLY INNOCULATED.
WEEPING LOVEGRASS MAY BE ADDED TO ANY SLOPE OR LOW MAINTENANCE MIX
DURING WARMER SEEDING PERIODS; ADD 10- 20 LBS./ACRE IN MIXES.
OPs PERMANENT SEEDING FERTILIZATION
AND MAINTENANCE
TABLE 24
Maintenance Fertilization for Permanent Seedings
Use Soil Test Recommendation or Rates Shown Below
Seeding Mixture
Formulation
Lbs. per
Lbs. per
Time
Mowing
Acre
1000 sf
Tall fescue makes
10-10-10
500
11.5
Yearly, or as
*Not closer than 3" if
up 70% or more
or
400
9.2
needed fall
occasional mowing is
of cover.
30-10-10
desired.
Crownvetch
Spring the year
Do not mow crownvetch
Service lespedeza
0-20-0
400
9.2
following
establishment
Birdsfoot trefoil
and every 4-5
years thereafter.
Fairly uniform
Fall the year
Not required. not closer
stand of Tall
following
than 4" if occasional
Tescue & Service
5-10-10
500
11.5
establish- ment
mowing is desired, and
lespedeza, or
and every 4-5
then in fall after seed
Birdsfoot Trefoil.
years thereafter.
has matured.
Weeping
Spring the year
Not required. not closer
Lovegrass &
following
than 4" if occasional
Service lespedeza
5-10-10
500
11.5
establishment
mowing is desired, and
fairly uniform plant
and every 3-4
fall after sericea has
distribution
years thereafter.
matured.
Red & chewings
20-10-10
250
5.8
September, 30
Mow no closer than 2"
for red fescue and Ky
fescue, Kentucky
days later
December, May
blue rass; and closer
9
bluegrass, hard
9
20-10-10
100
2
20-June-30,
than 3" for fescue.
fescue mixture:
.3
needed.
TEMPORARY SEEDING MIXTURES FOR
(Ts)THE PIEDMONT AREA
TABLE 26
TEMPORARY SEEDINGS BY RATES, DEPTHS, AND DATES
Seeding Rate
Plantingdepth
Seeding zones and Seeding Date f�
Species IL
Per
Lbs/1000
7a and 7b
6b
6a and 5b
acre
Sq. ft
(Inches)
2/1-
5/1-
8/15-
3/1-
5/1-
8/15-
3/15-
6/1-
8/1-
4/30
8/14
11130
4/30
8114
11/15
5131
7/31
10/31
Choose one:
BY
BY
BY
Barley
2.5 bu.
2.80
1-2
X
-
10115
X
-
10/15
X
-
10/1
Oats
3 bu.
2.21
1-2
X
-
-
X
-
-
X
-
-
Rye (4)
2.5 bu.
3.22
1-2
X
-
X
X
-
X
X
-
X
Bar Ie or
Rylus
150 lbs.
3.45
1
X
X
10/15
X
X
10/15
X
X
10/1
Foxtat
X
X
X
X
X
X
X
X
X
millet 5
Weeping
41ID&
0.09
1/4-1/2
-
X
-
-
X
-
-
X
-
lovegrass 61
Annual
ryegrasS
50 lbs.
1A5
1/4-1/2
X
-
11/1
X
-
11/1
X
-
8/15
Millet (7)
50 lbs.
1.15
1 1/2
-
X
-
-
X
-
(1) Applicable on slopes of 3:1 or flatter
(2) Refer to figure A - Adopted from USDA, AIRS Miscellaneous Publication #1475, January 1990
(3) Between fall and spring seeding dates, use mulch only if ground is frozen and reseed when thawed
(4) May be used as a nurse crop for late fall/early winter permanent seedings, add 56 Lbs/ac. to the permanent
seeding mixture
(4) Maryland State Highway Administration Temporary Seed Mix
(5) May be used as a nurse crop for mid -summer permanent seedings. Add 2 Lbs/ac to permanent seed mix.
(6) May be used as a nurse crop for mid -summer permanent seedings. Add 10 Lbs/ac. to the permanent seeding
mix.
A
VEHICLE STREAM
CROSSING, STD.
& SPEC. 3.24
SILT FENCE
EXISTING GROUND
A
SILT FENCE
FORMER LOCATION
OF FLOW BARRIER 1
2,•
FORMER LOCATION
OF FLOW BARRIER
Z1
STREAM
BED
FLOW
PLACE J
RIPRAP
AT
TRANSITION
FLOW
BARRIER
FLOW BARRIER
(RIPRAP, SANDBAGS,
- PLYWOOD, JERSEY
BARRIERS OR SHEET
PILING) APPROACHING
- PLACE RIPRAP TRENCHING
AT TRANSITION OPERATION
PERSPECTIVE VIEW
TYPE A DIVERSION
POLYETHYLENEER(6 MIL. MIN.)
O
GRASS LINER
POST
SILT FENCE
EXISTING GROUND
s*
UTILITY STREAM CROSSING DIVERSION
use CHANNEL TYPE A
PLAN VIEW
SECTION A -A
FILTER
APRON LINING SHALL BE
PIPE OUTLET TO
WELL-DEFINED
CHANNEL
d 50 =
0%-
"d=
T
KEYIN-
RECOMMENDED FOR
ENTIRE PERIMETER
oP OUTLET PROTECTION
Outlet Protection Table
Outlet
Structure
Diameter
Discharge (cfs)
Apron
Length (fit)
Apron Width
Downstream
Apron Width (ft)
Depth
Riprop Stone Size
(in)
(ft)
(in)
1
24
1 9.25
1 20
1 6
1 6
16
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DATE:
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SCALE:
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EROSION CONTROL AND SWM PLAN
KARCZEWSKI RESIDENCE
TAX MAP 86 PARCEL 38
SAMUEL MILLER MAGISTERIAL DISTRICT, COUNTY OF ALBEMARLE , VIRGINIA
STORMWATER MANAGEMENT PLAN
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1
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S
ROUDABUSH, GALE & ASSOC., INC.
A PROFESSIONAL CORPORATION
SERVING VIRGINIA SINCE 1956
PHYSICAL ADDRESS: MAILING ADDRESS:
999 SECOND ST. SE. 435 MERCHANT WALK SQ.
SUITE 201 SUITE 300-159
CHARLOTTESVILLE, VA 22902 CHARLOTTESVILLE, VA 22902
PHONE 434-977-0205 WWW.ROUDABUSH.COM
F/
STREAM BUFFER MITIGATION
STREAM BUFFER IMPACT AREA = 9,404 SF (0.216 AC)
MITIGATION AREA REQUIRED = 18,808 SF (0.432 AC)
SEEDING MIX
ERNST CONSERVATION SEEDS,
ERNMX-187 SOUTHEASTERN U.S. ROADSIDE NATIVE MIX
(or Equivalent)
MITIGATION AREA PROVIDED = 18,851 Sr (0.433 AC) SEEDING RATE IS 20 LBS. PER ACRE / / / / / / / / r _ — — — — — — — — — — —
MIXED VEGETATION MITIGATION AREAS
Mix Composition / / / / /------------
REQUIRED: 700 CONTAINER GROWN SEEDLINGS PER AC — — -
65.3% Schizachyrium scoparium, 'Camper (Little Bluestem)
MITIGATION AREA 18,810 SF (0.433 AC) 15.0% Elymus virginicus, (Virginia Wildrye)
PLANTING REQUIRED: 303 3.0% Chamaecrista fasciculata, (Partridge PeA) / / / / / / / _ / / , / / / / / / / / \ \ -- — — — — — —
3.0% Rudbeckia hirto (Blackeyed Susan)
PLANTING SCHEDULE 2.0% Coreopsis lanceolata (Lanceleaf Coreopsis) /
2.0% Helionthus angustifolius, (Narrowleaf Sunflower) /
QNTY.
I BOTANICAL NAME7
COMMON NAME
SIZE/ COMMENTS
CANOPY TREES
CONTAINER
GROWN
SEEDLINGS
13
Acer rubrum
RED MAPLE
8
Carya cordiformis
BITTERNUT HICKORY
5
Diospyros virginiana
PERSIMMON
11
Platanus occidentalis
AMERICAN SYCAMORE
7
Quercus polustris
PIN OAK
UNDERSTORY TREES
13
Amelanchier canadensis
SERVICEBERRY
13
Cercis canadensis
EASTERN REDBUD
10
Chionanthus virginicus
FRINGE TREE
10
Crataegus viridis
GREEN HAWTHORN
9
Hamamelis virginiana
AMERICAN WITCH HAZEL
9
Magnolia virginiana
SWEETBAY MAGNOLIA
15
Ilex opaca
AMERICAN HOLLY
10
Oxydendrum arboreum
SOURWOOD
11
Viburnum prunifolium
BLACKHAW VIBURNUM
SMALL SHRUBS
15
Callicarpa americana
AMERICAN BEAUTYBERRY
13
Cephalanthus occidentalis
BUTTONBUSH
15
Hydrangea arborescens
WILD HYDRANGEA
19
Ilex verticillata
WINTERBERRY
19
Itea virginica
VIRGINIA SWEETSPIRE
17
Myrica pensylvanica
BAYBERRY
15
Physocarpus opulifolius
NINEBARK
15
S iraea latifolia
MEADOWSWEET
16
Vaccinium angustifolium
LOWBUSH BLUEBERRY
15
Viburnum dentatum
ARROWWOOD VIBURNUM
2.07o Lespedeza virginica, (Slender Lespedeza)-
1.1% Monarda punctata, (Spotted Beebalm)
1.0% Aster spectabilis, (Showy Aster)
1.0% Baptisia pendula, (Largeleaf Wild Indigo)
1.0% Coreopsis grandiflora, (Largeflower Tickseed)
1.0% Silphium asteriscus var. laevicaule, (Starry Rosinweed)
0.9% Eupatorium coelestinum, (Mistflower)
0.7% Solidago specioso, (Showy Goldenrod) 00Ai�I
0.5% Coreopsis basalis, (Goldenmane Tickseed)
0.5% Vernonia angustifolia, (Tall Ironweed) rl / / \ I i I I I rIt
/ / / / / /' _ /• ��'/ / / i \ \\ \\ \\ _ \ \
QUANTITY / �� / I I j I I i r
8.7 LBS (0.433 AC)
CRITICAIL SLOPE LQCATI N ��
I(PERIALBEMARL€ GIS I I �I
876
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DESIGNED BY:
DEG
DRAWN BY:
ARC
CHECKED BY:
DEG
DATE:
04-21-21
SCALE:
1 "=40'
JOB:
20.2154
FILE:
20.2154
SHEET:
OF 08