HomeMy WebLinkAboutWPO202000048 Plan - Submittal (First) 2020-10-19MILL CREEK INDUSTRIAL LOT 11
GENERAL NOTES
OWNER
076M 1-00-00-01100
MILL CREEK INDUSTRIAL DEVELOPMENT LLC
1155 FIFTH STREET SW, SUITE C
CHARLOTTESOLLE, VA 22902
ENGINEER
COLLINS ENGINEERING
200 GARRETT ST. SUITE K,
CHARLOTTESOLLE, VA 22902
TELEPHONE (434)293-3719
FAX (434)293-2813
CONTACT MR. SCOTT COLLINS, P.E.
scot t0collins-engineering. com
TAX MAP NO.
076M1-00-00-01100 (D.B. 4715/ PG. 155) PLAT (DB.1342, PG.238-247)
AREA
1.35 AC
ZONING
PUD - PLANNED UNIT DEVELOPMENT WITH PROFFERS (ZMA-1995-00019 & ZMA-1996-0021),
(Ali AIRPORT IMPACT AREA, AND MANAGED SLOPES OVERLAY DISTRICT.
SETBACKS
FRONT BUILDING & PARKING: 10' MINIMUM SETBACK
SIDE BUILDING SETBACK: BUILDING SEPARATED PER BUILDING CODE
REAR BUILDING SE78ACK: BUILDING SEPARATED PER BUILDING CODE
BUILDING HEIGHTS
MAXIMUM BUILDING HEIGHT: 65'
(FLOORS ABOVE 40' OR THE THIRD STORY SHALL BE STEPPED BACK A MINIMUM OF 15' FROM
THE FRONT OF THE BUILDING).
PROPOSED BUILDING HEIGHT. • ONE STORY BUILDING - 25, HEIGHT
PROPOSED USE
2,000 SF INDUSTRIAL OFFICE BUILDING. PROPOSED USE OF BUILDING IS FOR
STORAGE/WAREHOUSING/DISTRIBUTION/TRANSPORTATION SERWCES
FLOOR AREA TO LOT COVERAGE
RA770= 2,000sf/1.35 ACRES = 0.03
WATERSHED
THIS DEVELOPMENT LIES WITHIN THE MOORES CREEK WATERSHED. THE SITE IS NOT LOCATED
WITHIN A PUBLIC WATER SUPPLY RESERVOIR WATERSHED, IT IS LOCATED DOWNSLOPE FROM THE
SOUTH FORK RIVANNA WATER SUPPLY WATERSHED.
TOPO & SURVEY
TOPOGRAPHY AND BOUNDARY PROVIDED BY LICENSED LAND SURVEYOR ROGER W. RAY &
ASSOCIATES, LLC, DECEMBER OF 2015. THE SITE WAS FIELD VERIFIED IN MARCH, 2020 BY
COLLINS ENGINEERING. BENCHMARKS ARE SHOWN ON THE EXISTING CONDITIONS SHEET
DATUM
ELEVA77ONS ARE BASED ON STATE PLAIN GRID- NAD 83 DATUM.
EXIS77NG VEGETATION
THE SITE IS FORESTED, WIN SOME EXIS77NG AREAS THAT HAVE BEEN CLEARED.
STEEP SLOPES
IN ACCORDANCE WITH THE ALBEMARLE COUNTY STEEP SLOPES COUNTY MAPPING, MANAGED'
STEEP SLOPES EXIST ON THE PARCEL. 774E MANAGED SLOPES ARE SHOWN ON THE EXISTING
CONDITIONS SHEETS AND GRADING AND DRAINAGE PLAN SHEET
PHASING
THIS PLAN WILL BE CONSTRUCTED IN ONE PHASE.
FLOODPLAIN/WPO BUFFERS THERE ARE NO 100-YEAR FLOODPLAINS OR WPO BUFFERS LOCATED ON THIS SITE PER FEMA
MAP PANEL 1151003CO288D DATED FEBRUARY 4, 2005 & COUNTY GIS, RESPECTFULLY. ALSO
NOTE THE PARCEL IS OUTSIDE THE LIMITS OF THE FEDERAL & STATE DAM BREAK INUNDATION
ZONES PER COUNTY GIS DATA.
BURIAL SITES:
NO CEMETERIES WERE FOUND DURING FIELD INVESTIGATION OF THE SITE.
SITE ACCESS
THE SITE ACCESS FOR THE PARCEL IS PROVIDED VA STONEY RIDGE ROAD, WHICH CONNECTS
TO SOUTHERN PARKWAY.
RETAINING WALLS. •
RETAINING WALLS PROVIDED ON THE GRADING SHEET. MAXIMUM RETAINING WALL HEIGHTS SHALL
NOT EXCEED 10'.
LIGHTING.
THE PROPOSED LIGHTING PLAN IS SHOWN ON THE LIGHTING PLAN. EACH OUTDOOR LUMINAIRE
EQUIPPED WITH A LAMP THAT EMITS 3,000 OR MORE INITIAL LUMENS SHALL BE A FULL
CUTOFF LUMINAIRE AND SHALL BE ARRANGED OR SHIELDED TO REFLECT LIGHT AWAY FROM
ADJOINING PROPERTIES AND AWAY FROM ADJACENT ROADS. THE SPILLOVER OF LIGHTING
FROM LUMINAIRES ONTO PUBLIC ROADS AND ADJACENT PROPERTIES SHALL NOT EXCEED
ONE-HALF FOOTCANDLE.
LANDSCAPING.
A LANDSCAPING PLAN IS PROVIDED WITH THE FINAL SITE PLAN IN ACCORDANCE WITH
ALBEMARLE COUNTY ORDINANCE SECTION 32.7.9, SEE SHEET 5. STREET TREES SHALL ALSO BE
INCLUDED WITH THE LANDSCAPING DESIGN TO INCORPORATE STREET TREES EVERY 40' ALONG
THE ROADWAYS.
TRASH COLLECTION.
AN ENCLOSED DUMPSTER SCREENED WITH LANDSCAPING IS PROVIDED ON THE PLANS.
ADJACENT PROPERTY OWNERS SEE EXISTING CONDITIONS, SHEET 2.
U77LI77ES
EXIS77NG WATER AND SEWER UTIL177ES ARE LOCATED ONSITE AND WITHIN THE ADJACENT
RIGHT -OF -WA Y AND CONNECTIONS ARE PROPOSED.
STORMWATER MANAGEMENT FACILITY- SEE STORMWATER MANAGEMENT PLAN. THE EXIS77NG REGIONAL STORMWA TER
MANAGEMENT BASIN WILL HANDLE THE WATER QUAN77TY FOR THE SITE, AND NUTRIENT CREDITS
SHALL BE PURCHASED FOR WATER QUALITY FOR THE INCREASE IN IMPERVIOUS AREA FOR THE
DEVELOPMENT OF THE SITE.
MAXIMUM EMPLOYEES
17 EMPLOYEES AT LARGEST SHIFT
BUILDING SEPARA77ON:
BUILDING SEPARA77ON SHALL BE IN ACCORDANCE WITH TABLE 401 FIRE RESISTANCE RA77NGS
OF STRUCTURE ELEMENTS OF THE BOCA BASIC BUILDING CODE, 194 EDITION OR ITS
EQUIVALENT IN THE CURRENT EDITION OF THE BOCA BASIC BUILDING CODE.
IMPERVIOUS AREAS
PROPOSED BUILDING 2,000 SF
PROPOSED CONCRETE 1,675 SF
PROPOSED PARKING LOT 14,225 SF
STONEY RIDGE IMPROVEMENTS 4,075 SF
EXIS77NG GRAVEL 476 SF
EXIS77NG PAVEMENT & CONCRETE 3.712 SF
TOTAL IMPERVIOUS AREA 26,163 SF (0.60 AC.)
PAVED PARKING & CIRCULAT70N AREA: 14,225 SF
OPEN SPACE AREA:
0.75 ACRES
PARKING REQUIREMENTS
1 SPACE PER 500sf OPEN TO PUBLIC + (1) SPACE PER EMPLOYEE
1 SP/500sf x 200sf = 1 SPACE + 1 SP/EMPLOYEE x 17 EMPLOYEES = 18 REQUIRED SPACES
PARKING PROVDED
19 PARKING SPACES (THIS INCLUDES 1 HANDICAP SPACE) + 11 LOADING SPACES
VSMP PLAN
SCOTTSVILLE MAGISTERIAL DISTRICT
ALBEMARLE COUNTY, VIRGINIA
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NOTES:
CONTRACTOR SHALL VERIFY LOCATION AND ELEVATION OF ALL UNDERGROUND
UTILITIES SHOWN ON PLANS IN AREAS OF CONSTRUCTION PRIOR TO STARTING
WORK. CONTACT ENGINEER IMMEDIATELY IF LOCATION OR ELEVATION IS DIFFERENT
FROM THAT SHOWN ON THE PLANS, IF THERE APPEARS TO BE A CONFLICT, AND
UPON DISCOVERY OF ANY UTILITY NOT SHOWN ON THE PLANS.
THE CONTRACTOR MUST LOCATE ALL SURFACE AND SUB —SURFACE UTILITIES PRIOR
TO ANY WORK ONSITE.
ANY SIDEWALK AND/OR CURB DAMAGE IDENTIFIED IN THE SITE VICINITY DUE TO
PROJECT CONSTRUCTION ACTIVITIES AS DETERMINED BY THE VDOT INSPECTOR
SHALL BE REPAIRED AT THE CONTRACTOR'S EXPENSE. SIDEWALK WILL BE
REPLACED AT THE DIRECTION OF THE VDOT INSPECTOR. ANY EXISTING SIDEWALK
THAT IS CURRENTLY DAMAGED AND IN NEED OF REPAIR OR NOT IN COMPLIANCE
WITH CURRENT STANDARDS SHOULD BE REPLACED AS PART OF THIS PROJECT AS
WELL. IN ADDITION, ANY EXISTING CG-12S ALONG THE PERIMETER OF THE SITE
SHOULD BE UPGRADED TO MEET CURRENT STANDARD IF NEEDED.
ALL SIGNING AND PAVEMENT MARKINGS SHALL BE CONSISTENT WITH THE MUTCD
SHEET LAYOUT
SCALE: 1" = 30'
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Sheet List Table
Sheet Number
Sheet Title
i
COVER
z
EXISTING CONDITIONS
3
EROSION & SEDIMENT CONTROL NARRATIVE & DETAILS
4
PHASE I EROSION & SEDIMENT CONTROL PLAN
5
PHASE II EROSION & SEDIMENT CONTROL PLAN
6
PHASE III EROSION & SEDIMENT CONTROL PLAN
7
STORMWATERMANAGEMENT PLAN
8
STORMWATER MANAGEMENT CALCS & DETAILS
8 TOTAL NUMBER OF SHEETS
LEGEND
ROADS
L-�
EXISTING CULVERT
CULVERT
0
DROP INLET & STRUCTURE NO.
CURB
CURB & GUTTER
PROPOSED PAVEMENT
EC-3A DITCH
6"
DEPTH OF EC-3A DITCH
EC-2 DITCH
6
DEPTH OF EC-2 DITCH
_... ....
EARTH DITCH
DRIVE WA Y CUL VERT
+
BENCH MARK
_ _ _ _ _
CLEARING LIMITS
T
VDOT STANDARD STOP SIGN
- - - -200- - - -
EXIS77NG CONTOUR
20o
PROPOSED CONTOUR
240.55
PROPOSED SPOT ELEVAT70N
TBC DENOTES TOP/BACK OF CURB
TIB DENOTES TOP OF BOX
APPROVALS DATE
DEPARTMENT OF COMMUNITY DEVELOPMENT
PLANNER/ZONING
ENGINEER
INSPECTIONS
ARB
DEPARTMENT OF FIRE RESCUE
ALBEMARLE COUNTY SERVICE AUTHORITY
VIRGINIA DEPARMENT OF TRANSPORTATION
HEALTH DEPARTMENT
I-1
Lic. No. 035791,a
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SHEET NO.
1
� T.M. 76M1-20 / NOTES:
/ I / LOT 10 1. TOPOGRAPHY AND BOUNDARY PROVIDED BY LICENSED LAND SURVEYOR AT ROGER W. RAY & j,TH 0
3 MCV L / ASSOCIATES, INC. IN DECEMBER OF 2015. THE SITE WAS FIELD VERIFIED IN MAY 202o BY F�
/ 6 °2 22 D•B• 34 -3 6 / COLLINS ENGINEERING. p ��_
4 / D.B.184 -28o
/ PAVED a.°°' Exls G WATER METER / 2. THERE ARE NO too YEAR FLOODPLAINS OR WPO BUFFERS LOCATED ON THIS SITE PER FEMA
L=54.4 0 NG: P \ 0 COTT R. LLINS Z.
/ I 3 I T-30.28 MAP PANEL #51003CO288D DATED FEBRUARY 4, 2005 & COUNTY GIS, RESPECTIVELY. ALSO O �-,
C 5�1.8t LOCATI OFWATE LI U : MO R 'S i L) Lic. No. 035791,'n
CBgT17S°o538"E \ EASEME D.B.z- ) ELECT C L & / NOTE THE PARCEL IS OUTSIDE THE LIMITS OF THE FEDERAL & STATE DAM BREAK INUNDATION
EXISTIN FIRE A=22°08'29" MEC AN L / I / / ZONES PER COUNTY GIS DATA. °po 9/21/20 �4
EXISTING PRO ERTY
HYDRANT ALVE R=aoS.00' / \ s Cs1
L-40.58. IRO IBOUNDAIR V / SIGNAL E�
IRON T 20.54
FOUN
FOUND C =40.32'
CB=S6203756"E / / _. .....
\ M M QP /
CONCRETED He M I V OUT- 2.49RON
/
Q� FOUND
� 3 R 47.43 °3 � / " � 15' GAS LINE EASEMENT
ijs1'�' o / �' (D.B. nzo-zi4) / -�
C=32.85' IRON
CB=N250oo'So"E
¢RAINAGE E EMENT ws I 4 10°0
3 (D.B. 1848-278) R=130.00' /
T=.49' /
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EXIS NGACSA�"DIPWAT RLINE
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TOP-4GC,li,, IN E�ERGR�EN & DECIDUOUS TREES) / G �Fou o
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INV IN-y�g
' � INVOUT 445�56 � � I � �
I 50' ROW \
1 / /
S a O n I // EL THE CONTRACTOR SHALL
LOCATE THE UNDERGROUND
O m\ ELECOMMUNICATIONS /
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�i / / T.M. 6M1-11 z �/ 15'VIRGINIAELECTRICAND
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/ ti0 m a �/ REVISED PARCEL 1 PAVED (D.B.1633 700)
MILL CREEK INDUSTRIAL DEVELOPMENT LLC
D.B.4715-155/ 3 /
D.B. 1342-238 THRU 247
PLAT ZONINd: PUDLu
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EXISTING CATCH 8A51N / \ / / I
EXISTING SANITARY S / 3 '(N P-444o849 \ 1 I a NFO CD I / / / � G
SEWER MANHOLE / 9999
TOP=47754 - / % EXISTING / INVIN=y4 61g / 1 �� A3 . 1 / \ / / / / / N V /
INV IN=469.84 / ///SSS BLUE PAINTED INV OU-7( 449-45 / / /
METAL ROD H� / /EXISTING PROPERTY / / \ a L / /
INV OUT=y6g.52 / 5 J\\ BOUNDARY \ /
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INVIN FOUND
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/ INV OUT=45043 \ / / \ I a \ ✓ THE BARTLETT REALTY COMPANY, INCORPORATED / / c z
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/ TH/E ON ACTOR SHALL / WATER \ RCp (D.B.11oz-7zY \ 9s F�
LO AT TH UNDERGROUND METER \ _ i EXISTING MA GED / EXISTING GUARDRAIL D.B.11oz-7z4 THRU 729 PLAT / / / F- J
/ �T LE MMUNICATIONS / \ ST PSLOPES \ 's I ��n ZONING: PUD / �--�
/ S VI S ALONG THE SITE \ 2 a /
/ 3 FRONTAL EXISTING8"D.L . o= s,°S32'03 USE: BARTLETTTREE EXPERTS, COMMERCIAL / / Q J 0
SAN Y SEWER MAIN ` \ / R0
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INV IN=492.24
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EXISTING SANITARY �P BENCHMARK: LL.I ui
SEWER SERVICE LATERAL ° 5 �/ / LLJ
\ , \ / � ELEVATION /
T.M.76M1-1z � �� S �.�/
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/ % \ R- o.00 /
/ 3ZO IN 394 / \ - x' ON °o� =�8 / 3 ZONING: PUD � � - 439/
/ USE: DOG DAY CARE CENTER \ 490 WALL A
/ €b(h5T1NG SANITARY / �� �L� C6= a'' 339
/ SEWER -MANHOLE IRON SET
TOP-09.92
INV IN 478.41(LATFR,.
INV IN 8. o EXISTING WATER VALVE/ / (�
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INV OUT 478.36 °s , / / -
/ '�� 54 �8s6 -� 15' GAS LINE EAS ENT /
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EXISTING CONCR TE 20 0 10 20 40 ea
BLOCK ALL
/ / ( N FEET d a
PAVED 1 in h = 20 ft. JOB NO.
T.M.76M1-12A
LOT 1 202179
/ \ EXISTING SAN J ARY
/ FSOB, LLC _ SEWER MANHOLE SCALE
D.B.3618-642 TOP �28.33
/ D.B.3535-621 & 622 P�T Nvou1= 3.gs 1 =20
ZONING: PUG
USE: MILL CREEK PROF/ESSIONAL BUILDING SHEET NO.
2
EROSION & SEDIMENT CONTROL
EROSION CONTROL NOTES
DESCRIPTION OF EROSION & SEDIMENT
EROSION CONTROL NOTES & NARRATIVE
MEASURES:
1.
THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE
CONTROL
MEASURES:
PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND
PROJECT DESCR/P770N:
STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE IN
DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION.
THE PURPOSE OF THIS LAND DISTURBANCE ACTIVITY IS FOR THE CONSTRUCTION OF A PARKING LOT AND A 2,000
ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK.
2.
ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND
EROSION AND SEDIMENT CONTROL MEASURES:
COMMERCIAL OFFICE BUILDING. THIS PROJECT PROPOSES TO DISTURB 0.97 cc. OF LAND. THE PROJECT WILL BEGIN
STRUCTURAL PRACTICES USED IN THIS SECTION CONSIST OF THE FOLLOWING
MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA
IT IS ANTICIPATED TO USE A CONSTRUCTION ENTRANCE, RIPRAP, OUTLET PROTECTION,
ITS CONSTRUCT70N WITH THE PROPOSED ESC MEASURES IMMEDIATELY FOLLOWING PLAN APPROVAL, WHICH IS
T7 FOLLOWING
301 SAFETY FENCE.,
EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONSTION
VR
DIVERSIONS, SEDIMENT TRAPS, AND SILT FENCES TO CONTROL SURFACE DRAINAGE.
ANTICIPATED BE IN THE FALL OF 2020. THE WORK IS ANTICIPATED BE COMPLETED WITHIN 12 MONTHS AND
A PROTECTIVE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CONTROL MEASURE.
B
J.
625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS.
ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR
TEMPORARY SEEDING WILL BE USED IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE
TO CONCLUDE IN THE FALL OF 2021.
TO PROHIBIT UNDESIRABLE USE OF AN EROSION CONTROL MEASURE BY 774E PUBLIC.
AS THE FIRST STEP IN CLEARING.
ACTIVITIES. TEMPORARY STOCKPILE AREAS ARE NOT BE REQUIRED WITH THIS PROPOSED
EXISTING S17E CONDITIONS.'
APPLICABLE TO ANY CONTROL MEASURE OR SERIES OF MEASURES WHICH CAN BE
4.
A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE
DESIGN. SHOULD FIELD ADJUSTMENTS NECESSITATE A SMALL STOCKPILE AREA, IT SHALL
THE AREA OF THE PROPOSED DEVELOPMENT IS VACANT LOT MOSTLY COVERED BY DENSE VEGETATION. THE SITE
CONSIDERED UNSAFE BY VIRTUE OF P07EN77AL ACCESS BY THE PUBLIC.
MAINTAINED ON THE SITE AT ALL TIMES.
BE DISCUSSED WITH THE ESC INSPECTOR AHEAD OF TIME. THE STOCKPILE WILL NEED TO
GENERALLY SLOPES FROM THE SOUTHEAST TO THE NORTHWEST TOWARDS STONEY RIDGE ROAD.
3.02 CONSTRUCTION ENTRANCE
5.
PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN
BE MAINTAINED AND STORED FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL BE ON
ADJACENT AREAS.•
A STABILIZED CONSTRUCTION ENTRANCE LOCATED AT POINTS OF VEHICULAR INGRESS AND
INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF -SITE BORROW OR
SITE AND SHALL BE STABILIZED WITH A TEMPORARY VEGETATIVE COVER. PERMANENT
THIS SITE IS BORDERED TO THE NORTH, EAST AND WEST BY COMMERCIAL OFFICE BUILDINGS. TO THE SOUTH IS A
EGRESS ON A CONSTRUCTION SITE TO REDUCE 7H£ AMOUNT OF MUD 7RANSPORTED ONTO
WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION
SEEDING WILL BE PERFORMED FOR ALL AREAS WHICH WILL NO LONGER BE EXCAVATED
DOG
DOG DAYCARE BUILDING AND A MEDICAL SERVICES BUILDINGS SILT FENCE, DIVERSIONS, SEDIMENT TRAPSINLET
PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. CONSTRUCTION ENTRANCES SHALL
BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE AMOUNT SEDIMENT TRANSPORTED
APPROVING
CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROV
WHERE CONSTRUCTION ACTVITES HAVE CEASED. PERMANENT SEEDING SHALL ALSO
,
CONTROLS AND VARIOUS OTHER ESC MEASURES ARE PROPOSED TO LIMIT THE POTENTIAL FOR CONTAMINATION OF
ONTO PUBLIC ROADWAYS.
6.
AUTHORITY.
THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION
BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR A YEAR OR
THESE ADJACENT PROPERTIES.
3.03 CONSTRUCTION ROAD STABILIZATION:
CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS
MORE. SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED.
OFFSI7E LAND DISTURBANCE.
THE TEMPORARY STABILIZATION OF ACCESS ROADS, SUBDIVISION ROADS, PARKING AREAS,
DETERMINED BY THE PLAN APPROVING AUTHORITY.
TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT
OFFSITE LAND DISTURBANCE IS LIMITED TO PUBLIC RIGHT-OF-WAY.
AND OTHER S17E VEHICLE TRANSPORTATION ROUTES W7774 STONE IMMEDIATELY AFTER
7.
ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES
DORMANT FOR MORE THAN SEVEN DAYS. THESE AREAS SHALL BE SEEDED WITH FAST
SOILS:
GRADING. TO REDUCE EROSION OF TEMPORARY ROADBEDS BY CONSTRUCTION TRAFFIC
AT ALL TIMES DURING LAND DISTURBING ACTVITES AND DURING S17F DEVELOPMENT
GERMINATING VEGETATION IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS. SELECTION
SEE SOIL DESCRIPTIONS ON THIS PAGE AND THE PHASE l EROSION & SEDIMENT CONTROL PLAN FOR SOIL
DURING WET WEATHER AND TO REDUCE EROSION AND SUBSEQUENT REGARDING OF
UNTIL FINAL STABILIZATION IS ACHIEVED.
OF SEED MIXTURE WILL DEPEND ON THE THE OF YEAR APPLIED.
BOUNDARIES.
PERMANENT ROADBEDS BETWEEN THE TIME OF INITIAL GRADING AND FINAL STABILIZATION.
8.
DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED
USE WHEREVER STONE -BASE ROADS OR PARKING AREAS ARE CONSTRUCTED, WHETHER
FILTERING DEVICE.
CRITICAL AREAS,•
PERMANENT OR TEMPORARY, FOR USE BY CONSTRUCTION TRAFFIC.
9.
THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY
3.01 SAFETY FENCE- TO DISCOURAGE ACCESS TO A PARTICULAR AREA.
THE MANAGED STEEP SLOPES ON THE EASTERN PORTION OF THE SITE ARE CONSIDERED TO BE CRITICAL. THE
3.05 SILT FENCE:
AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR
3.02 CONSTRUCTION ENTRANCE - TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO
CONTRACTOR SHALL GIVE EXTRA ATTENTION AND CAUTION IN AND AROUND THESE AREAS TO ENSURE
A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYNTHETIC FILTER FABRIC STRETCHED
CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL
PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF.
CONSTRUCTION ACTIVITY DOES NOT DISTURB THESE EXISTING FEATURES. TREE PROTECT70N FENCING, SILT FENCING,
ACROSS AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED, TO INTERCEPT AND
BE MADE IMMEDIATELY.
3.03 CONSTRUCTION ROAD STABILIZATION - TO REDUCE THE ERGS/ON OF TEMPORARY
D/VERSIONS AND SEDIMENT TRAPPING DEVICES SHALL ALSO BE INSTALLED AS A FIRST STEP /N LAND DISTURBANCE
DETAIN SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION
10.
ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA.
ROADBEDS BY CONSTRUCTION TRAFFIC AND TO REDUCE THE EROSION AND SUBSEQUENT
TO ENSURE THESE CRITICAL AREAS ARE MAINTAINED.
OPERATIONS IN ORDER TO PREVENT SEDIMENT FROM LEAVING THE SITE, AND TO DECREASE
11.
ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL
THE VELOCITY OF SHEET FLOWS AND LOW -TO -MODERATE LEVEL CHANNEL FLOWS THE SILT
SHALL BE INERT MA TRIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND
REGARDING OF PERMANENT ROADBEDS BETWEEN THE TIME OF INITIAL GRADING AND FINAL
SEQUENCE OF 02N57RUC770N:
FENCE BARRIERS SHALL BE INSTALLED DOWN SLOPE OF AREAS WITH MINIMAL GRADES TO
OTHER DEBRIS.
STABILIZATION. CONSTRUCTION ROAD STABILIZATION WILL BE APPLIED TO THE
1. CONTRACTOR SHALL NOTIFY THE ALBEMARLE COUNTY COMMUNITY DEVELOPMENT ENGINEERING DEPARTMENT TO
FILTER SEDIMENT LADEN RUNOFF FROM SHEET FLOW AS INDICATED. THEY SHALL BE
12.
BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION
CONTRACTOR PARKING & STAGING AREAS AS NEEDED.
SCHEDULE A PRE-CONSTRUCT70N MEETING.
INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE W7774 THE
PER ZONING ORDINANCE SECTION 5.1.28.
2. PRIOR TO DISTURBANCES, THE LIMITS OF DISTURBANCE SHALL BE FLAGGED AND THE TREE PROTECTION
VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK (VESCH).
13.
ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301
3.05 SILT FENCE- SILT FENCE IS PROPOSED, WHERE SHOWN ON THE PLANS.
FENCING SHALL BE INSTALLED.
3.07 STORM GRAIN INLET PEXCAVATE
OF THE CODE OF ALBEMARLE.
3.07 STORM GRAIN INLET PROTECTION- INLET PROTECTION IS PROPOSED ON INLETS,
J. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT THE
SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM GRAIN DROP
14.
BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT
WHERE SHOWN ON THE PLANS.
APPROVAL FROM THE INSPECTOR ON THE PROJECT
I
INLET OR CURB INLET. TO PREVENT SEDIMENT FROM ENTERING STORM DRAINAGE SYSTEMS
15.
SHALL LIMITED TO THE HOURS OF 7.•00 AM TO CTE PM.
BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAT
3.09 DIVERSION- PERIMETER DIVERSIONS ARE PROPOSED WHERE SHOWN ON THE PLANS
4. INSTALLAT70N OF THE PROPOSED CONSTRUCT70N ENTRANCE SHALL OCCUR NEXT THE CONTRACTOR SHALL
PRIOR TO PERMANENT STABILIZATION OF 774E DISTURBED AREA. INLET PR07EC7ON APPLIES
,
MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS,
TO DIRECT RUNOFF INTO A SEDIMENT TRAPPING DEVICE.
APPLY CONSTRUCTION ROAD STABILIZATION AS NEEDED. CONTRACTOR SHALL ENSURE THE CONSTRUCTION
WHERE STORM DRAIN INLETS ARE TO BE MADE OPERATIONAL BEFORE PERMANENT
STABILIZATION OF 774E CORRESPONDING DISTURBED DRAINAGE AREA.
PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY
3.13 SEDIMENT 7RAP- SEDIMENT TRAPS ARE PROPOSED WHERE SHOWN ON THE PLANS.
ENTRANCE DRAINS TO AN ADEQUATE E&S MEASURE. THE CONTRACTOR SHALL UTILIZE THE NEARBY SEDIMENT
PUBLIC STREET BECAUSE OF SLIDES, SINKING, OR COLLAPSE.
3.18 OUTLET PROTECTION -OUTLET PROTECTION IS PROPOSED AT THE OUTLET OF PIPES
TRAP FOR VEHICULAR WASH OFF. CONSTRUCT70N ENTRANCE TO BE INSTALLED WHERE CONSTRUCT70N VEHICLE
3.09 TEMPORARY DIVERSION DIKE.,
16.
THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR
3.19 RIPRAP- RIPRAP IS PROPOSED AROUND THE EXISTING DI.
ROUTES INTERSECT PAVED PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF
A TEMPORARY RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A
CONVERT TO PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE APPLICABLE
3.32 PERMANENT SEEDING -PERMANENT SEEDING IS REQUIRED AND PROPOSED WITH THIS
SEDIMENT BY (VEHICULAR) TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A
SLOPING DISTURBED AREA. TO DIVERT STORM RUNOFF FROM UPSLOPE DRAINAGE AREAS
ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE
PLAN.
AWAY FROM UNPROTECTED DISTURBED AREAS AND SLOPES TO A STABILIZED OUTLET TO
SALE of ANY Lor, uNir, BUILDING OR 07HER PORTION OF THE PROPERrY
PUBLIC ROAD SURFACE, THE ROAD SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT
DIVERT SEDIMENT --LADEN RUNOFF FROM A DISTURBED AREA TO A
17.
TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING
3.38 TREE PRESERVATION AND PROTECTION- TREE PROTECTION IS PROPOSED WITH THIS
SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTING TO A SEDIMENT
FACILITY SUCH A SEDIMENT TRAP OR SEDIMENT BASIN. USE WHEREVER STORMWATER
WHEREVER
IS TO BE AT 75 LBS ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO
/
PLAN. SEE THE ESC PLAN FOR THE REQUIRED LOCATIONS.
CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS
E
RUNOFF MUST BE TEMPORARILY DIWRTEDG CONST TO PROTECT DISTURBED AREAS AND SLOPES OR
RETAIN SEDIMENT ON S17E DURING CONSTRUCTION. THESE STRUCTURES GENERALLY HAVE A
CONSIST A 50/50 MIX OF ANNUAL RYGRASS AND CEREAL WINTER RYE, OR IN MARCH
3.39 DUST CONTROL -DUST CONTROL IS REQUIRED AND PROPOSED WITH THIS PLAN.
MANNER.
LIFE EXPECTANCY OF 18 MON77-IS OR LESS, WHICH CAN BE PROLONGED WITH PROPER
AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF
5. THE INITIAL ESC CONSTRUCTION MEASURES, AS SHOWN ON THE PHASE I EROSION & SEDIMENT CONTROL PLAN,
MAINTENANCE.
GERMAN MILLET. STRAW MULCH IS TO BE APPLIED AT 80LBS/100SF. ALTERNATIVES
MAINTENANCE.'
SHALL BE INSTALLED NEXT. THE CONTRACTOR SHALL BEGIN BY INSTALLING THE PERIMETER SILT FENCE AND
3.11 TEMPORARY RIGHTEDIVERSION:
ARE SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR.
IN GENERAL, DURING CONSTRUCTION THE RLD OR CONTRACTOR ON -SITE WILL CHECK ALL
TREE PROTECT70N. PERIMETER MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST
A RIDGE OF COMPACTEDD SOIL
OIL OR LOOSE ROCK OR GRAVEL CONSTRUCTED ACROSS
I&
PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND
EROSION AND SEDIMENT CONTROL MEASURES DAILY AND AFTER EACH SIGNIFICANT
STEP WITH ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND
DISTURBED RIGHTS -OF -WAY AND SIMILAR SLOPING AREAS TO SHORTEN 774E FLOW LENGTH
MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90LBS/1000SF,
RAINFALL. MONITORING REPORTS WILL BE REQUIRED FROM THE RLD IF NEEDED. SPECIFIC
DISTURBANCE TAKES PLACE.
WITHIN A SLOPING RIGHT--OF-WAY, THEREBY REDUCING 774E EROSION POTENTIAL BY
INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT
1000LBS/ACRE AND CONSIST OF A 10-20-10 NUTRIENT MIX. PERMANENT SEEDING
ATTENTION WILL BE GIVEN TO THE FOLLOWING ITEMS
6. ONCE THE PERIMETER EROSION CONTROL MEASURES HAVE BEEN INSTALLED, AND THE COUNTY INSPECTOR HAS
DIVERTING STORM RUNOFF TO A STABILIZED OUTLET. GENERALLY, EAR774EN DIVERSIONS ARE
o.SEDIMENT BASINS AND/OR TRAPS WILL BE CLEANED AND MAINTAINED IN ACCORDANCE
APPLICABLE WHERE THERE WILL BE LITTLE OR NO CONSTRUCTION TRAFFIC WITHIN 774E
SHALL BE APPLIED AT 180LBS/ACRE AND CONSIST OF 95X KENTUCKY 31 OR TALL
WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK.
APPROVED THESE MEASURES, THE CONTRACTOR SHALL BEGIN LIGHT CLEARING. THE CONTRACTOR SHALL BEGIN
RIGHT-OF-WAY. GRAVEL STRUCTURES ARE MORE APPLICABLE TO ROADS AND 07HER
FESCUE AND 0-5% PERENNIAL RYGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS
b.ALL GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR SEDIMENT BUILDUP 774AT WILL
BY CLEARING THE AREAS REQUIRED TO ACCESS THE LOCATION OF THE SEDIMENT TRAP. FOLLOWING THE
RIGHTS -OF -WAY WHICH ACCOMMODATE VEHICULAR TRAFFIC.
TO APPLIED AT 1 F ALTERNATIVES AR SU T T APPROVAL Y TH
BE LED 80LBS/ OOSE SUBJECT 0 B E
PREVENT PROPER DRAINAGE. IF THE GRAVEL IS CLOGGED BY SEDIMENT THE GRAVEL
,
INSTALLATION OF THESE MEASURES THE CONTRACTOR SHALL INSTALL THE DIVERSIONS. ANY REMAINING
313 TEMPORARY SEDIMENT TRAP.,
EROSION CONTROL INSPECTOR.
WILL BE REMOVED AND CLEANED OR IT WILL BE REPLACED.
EROSION CONTROL DBMS AS SHOWN ON THE PHASE l EROSION CONTROL PLAN SHALL ALSO BE CONSTRUCTED
A TEMPORARY PONDING AREA FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT K177-1 A
19.
MAINTENANCE ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH
c. ALL SILT FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING OR
AT THIS TIME.
STONE OUTLET. TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED AREAS LONG
RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIRED
DE7ERIORA77ON OF THE FABRIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL BE
7 ONCE ALL THE PHASE l EROSION CONTROL ITEMS HAVE BEEN INSTALLED & ARE OPERATIONAL, DRAINAGE IS
ENOUGH TO ALLOW 774E MAJORITY OF THE SEDIMENT TO SETTLE OUT. USE BELOW
IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 50% OF 774E WET STORAGE
REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHED HALF WAY TO THE TOP
PROPERLY CONVEYED TO THESE MEASURESAND THE ESC INSPECTOR HAS GRANTED APPROVAL, THE
DISTURBED AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS LESS THAN 3 ACRES,
VOLUME IS FILLED WITH SEDIMENT. ALL SEEDED AREAS ARE TO BE RESEEDED WHEN
OF THE BARRIER.
,
WHERE THE SEDIMENT TRAP WILL BE USED NO LONGER THAN 18 MONTHS, AND IT MAY BE
NECESSARY TO ACHIEVE A GOOD STAND OF GRASS. SILT FENCE AND DIVERSION
d.ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE THAT A GOOD STAND IS
CONTRACTOR CAN BEGIN CLEARING THE REMAINDER OF THE SITE TEMPORARY SEEDING, PERMANENT SEEDING
CONSTRUCTED E177-IER INDEPENDENTLY OR IN CONJUNC77ON WITH A TEMPORARY DIVERSION
DYKES WHICH ARE COLLECTING SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED
MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED.
AND DUST CONTROL SHALL BE IMPLEMENTED AS REQUIRED.
DIKE.
AND REPAIRED IMMEDIATELY.
IN CASE OF EMERGENCY, THE PRIMARY CONTACT FOR THE PROJECT WILL BE THE RLD OR
8. AFTER CLEARING THE PROPOSED AREAS, THE CONTRACTOR CAN PROCEED TO PHASE ll OF THE EROSION &
20.
ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED
CONTRACTOR ON -SITE. IN ADDITION THE OWNER MAY BE CONTACTED. UPON COMPLETION
SEDIMENT CONTROL PLAN. THE CONTRACTOR SHALL BEGIN ROUGH GRADING THE SITE TO THE CONTOURS
3.18 OUTLET PROTECTION:
STRUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPATING DEVICES PLACED
WITHIN 30 DAYS OF FINAL SITE STABILIZATION, WHEN MEASURES ARE NO LONGER
OF THE PROJECT, THE OWNER WILL BE RESPONSIBLE FOR SITE MAINTENANCE.
SHOWN ON THE PHASE lI EROSION &SEDIMENT CONTROL PLAN. MEASURES INTENDED TO TRAP SEDIMENT
AT THE OUTLETS OF PIPES OR PAVED CHANNEL SECTIONS. TO PREVENT SCOUR AT
NEEDED, SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR.
SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE ACT70TY AND SHALL BE MADE
STORMWATER OUTLETS, TO PROTECT THE OUTLET STRUCTURE, AND TO MINIMIZE 774E
21.
THE E&S INSPECTOR HAS THE AUTHORITY TO ADD OR DELETE E&S CONTROLS AS
FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE.
P07EN77AL FOR DOWNSTREAM EROSION BY REDUCING THE VELOCITY AND ENERGY OF
NECESSARY /N THE FIELD AS S17E CONDITIONS CHANGE. /N ADDITION, NO SEDIMENT
BASIN OR TRAP CAN BE REMOVED WITHOUT WRITTEN AUTHORIZATION.
9. THE CONTRACTOR SHALL INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE PHASE lI
CONCENTRATED STORMWATER FLOWS APPLICABLE TO THE OUTLETS OF ALL PIPES AND
ENGINEERED CHANNEL SECTIONS.
EROSION CONTROL PLAN. TEMPORARY SEEDING, PERMANENT SEEDING AND DUST CONTROL SHALL BE
AS REQUIRED.
3.1s RIPRAP:
A PERMANENT, EROSION -RESISTANT GROUND COVER OF LARGE, LOOSE, ANGULAR STONE WITH
SOIL DESCRIPTION
10. TION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS
10. PERMANENT OR TEMPORARY SOIL STABILIZATION
FILTER FABRIC OR GRANULAR UNDERLINING TO PR07ECT THE SOIL FROM THE EROSIVE
AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE
FORCES OF CONCENTRATED RUNOFF, SLOW 774E VELOCITY OF CONCENTRATED RUNOFF WHILE
IJD-CATOC77N SILK LOAM-15 TO 25Z SLOPES. SOIL IS WELL DRAINED WITH A MEDIUM
APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN
ENHANCING THE POTENTIAL FOR INFILTRATION, AND TO STABILIZE SLOPES WITH SEEPAGE
RUNOFF CLASSIFICATION. SURFACE LAYER IS TYPICALLY SILT LOAM AND ABOUT
DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO
PROBLEMS, AND/OR NON -COHESIVE SOILS. USE WHEREVER SOIL AND WATER INTERFACE
0-5" THICK. 774E DEPTH TO THE WATER TABLE IS GENERALLY MORE THAN 80".
AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR.
AND 774E SOIL CONDITIONS, WATER TURBULENCE AND VELOCITY, EXPECTED VEGETATIVE
39D-HAZEL LOAM-15 TO 25X SLOPES. SOIL IS EXCESSIVELY DRAINED W1774 A MEDIUM
COVER, ETC., ARE SUCH THAT THE SOIL MAY ERODE UNDER THE DESIGN FLOW CONDITIONS.
RUNOFF CLASSIFICATION. SURFACE LAYER IS TYPICALLY LOAM AND ABOUT 0-10"
11. ONCE THE SITE IS ROUGH GRADED, THE CONTRACTOR SHALL BEGIN PHASE Ill OF THE EROSION &SEDIMENT
THICK. THE DEPTH TO THE WATER TABLE IS GENERALLY MORE THAN 80"
CONTROL PLAN. THE CONTRACTOR CAN BEGIN INSTALLATION OF THE UTILITIES, CURB AND GUTTER, AND ROADS.
331 TEMPORARY SEEDING
THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING
21C
-CULPEPER FINE SANDY LOAM-? TO 15Z SLOPES SOIL IS WELL DRAINED WIN A
INLET PROTECTION SHALL ALSO INSTALLED AS THE STORM SEWER IS CONSTRUCTED. INLET PROTECTION SHALL
WITH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS. TO REDUCE EROSION AND
MEDIUM RUNOFF CLASSIFICATION. SURFACE LAYER IS TYPICALLY LOAM AND ABOUT
BE INSPECTED AFTER EACH RAINFALL EVENT AND REPAIRS SHALL BE MADE AS NEEDED. IF THE STONE FILTER
SEDIMENTATION BY STABILIZING DISTURBED AREAS 774AT WILL NOT BE BROUGHT TO FINAL
0-8' THICK. THE DEPTH TO THE WATER TABLE IS GENERALLY MORE THAN 80".
BECOMES CLOGGED WITH SEDIMENT SO THAT IT NO LONGER ADEQUATELY PERFORMS ITS FUNCTION, THE STONE
GRADE FOR A PERIOD OF MORE THAN 30 DAYS TO REDUCE DAMAGE FROM SEDIMENT AND
RUNOFF TO DOWNSTREAM OR OFF -SITE AREAS AND TO PROVIDE PROTEC77ON TO BARE REFERENCE.' WEB SOIL SURVEY ONLINE DATABASE FOUND AT
SOILS EXPOSED DURING CONSTRUCTION UNTIL PERMANENT VEGETATION OR 07HER EROSION http://websoilsurveynres.usda.govlappl'W&bSoilSurvey.aspx
CONTROL MEASURES CAN BE ESTABLISHED.
332 PERMANENT STABILIZATION., EROSION CONTROL NOTES
THE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PLANTING UNLESS OTHERWISE INDICATED, ALL VEGET 1: A A7 TINE AND STRUCTURAL EROSION
SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS. TO ES - AND SEDIMENT CONTROL PRACTICES WILL CONSTRUCTED AND MAINTAINED
PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA
TO S17E CONDITIONS, AND ALLOWS SELECTION OF THE MOST APPROPRIATE PLANT MATERIALS.
TO IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLE7ON OF EROSION AND SEDIMENT CONTROL HANDBOOK AND WRG/N/A REGULATIONS VR
CONSTRUCTION ACTIVTIES, ALL AREAS WILL RECEIVE A PERMANENT VEGETA7VE COVER. 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS
ES-2. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO
3.38 TREE PRESERVATION AND PROTECTION.' THE PRE-CONS7RUCT0N CONFERENCE, ONE WEEK PRIOR TO THE
PROTECTION OF DESIRABLE TREES FROM MECHANICAL OR OTHER INJURY DURING LAND
COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO
DISTURBING AND CONSTRUCTION ACTIVITY. TO ENSURE THE SURVIVAL OF DESIRABLE TREES 774E FINAL INSPECTION.
WHERE THEY WILL BE EFFECTIVE FOR EROSION AND SEDIMENT CONTROL, WATERSHED ES-3: ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR
PROTECTION, LANDSCAPE BEAUTIFICATION, DUST AND POLLU77ON CONTROL, NOISE REDUCTION, TO OR AS THE FIRST STEP IN CLEARING.
MUST BE PULLED AWAY AND CLEANED AND/OR REPLACED.
12. ONCE PHASE 111 OF CONSTRUCT70N IS COMPLETE THE SITE IS STABILIZED AND THE INSPECTOR HAS GIVEN
APPROVAL, THE CONTRACTOR CAN THEN CONVERT THE SEDIMENT TRAPS INTO THE PROPOSED SWM FACILITIES.
AT THIS TIME, THE CONTRACTOR CAN REMOVE THE REMAINDER OF THE EROSION & SEDIMENT CONTROL
MEASURES. NO ITEM SHALL BE REMOVED, THROUGHOUT ALL PHASES OF CONSTRUCTION, UNLESS THE
UPSTREAM AREAS ARE STABILIZED AND THE INSPECTOR GIVES PERMISSION.
13. THE CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION
AND SEDIMENT CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM
ADMINISTRATOR IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK.
14. 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 ADMINISTRATOR. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS
RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO
PREVENT FURTHER EROSION AND SEDIMENTATION.
SHADE AND 07HER ENVIRONMENTAL BENEFITS WHILE THE LAND /S BEING CONVERTED FROM ES-4. COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL
FOREST TO URBAN -TYPE USES. APPLIES IN TREE -INHABITED AREAS SUBJECT TO LAND BE MAINTAINED ON THE SITE AT ALL TIMES
DISTURBING ACTIVITIES ES-5:PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS 07HER THAN
3.39 DUST CONTROL, INDICATED ON THESE PLANS (INCLUDING BUT NOT LIMITED TO, OFF -SITE Paved construction entrance for erimon control plans 1992
REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOLITION AND BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A
CONSTRUCTION ACTIVITIES. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM SUPPLEMENTARYEROSION CONTROL PAN T THE OWNER FOR REV[ W AND
CO OL L 0 E O E
EXPOSED SOIL SURFACES AND REDUCE 774E PRESENCE OF AIRBORNE SUBSTANCES WHICH APPROVAL BY THE PLAN APPROVING AUTHORITY.
MAY PRESENT HEALTH HAZARDS, TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT ES-6 : THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL
LIFE. DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND
MOVEMENT OF DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY.
ACCORDANCE W7774 THE VESCH. ES-7.•ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL
MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING
SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED.
ES-8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN
APPROVED WATER FILTERING DEVICE.
ES-9.7HE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES
PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY
NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE
EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY.
GENERAL SLOPE (3:1 OR LESS[
TOTS
KENTUCKY 31 FESCUE
128 LBS.
RED TOP GRASS
2 LBS.
SEASONAL NURSE CROP
20 LBS.
SEASONAL NURSE CROP
150 LBS
FEBRUARY 16 THROUGH APRIL
ANNUAL RYE
MAY 1 THROUGH AUGUST 15
FOXTAIL MILLET
AUGUST 16 THROUGH OCTOBER
ANNUAL RYE
NOVEMBER THROUGH FEBRUARY 15
WINTER RYE
NOTES:
1. LIME AND FERTILIZER NEEDS SHALL BE DETERMINED BY SOIL
TESTS AND APPLIED IN ACCORDANCE WITH
VESCH STD. 3.32.
2. SEEDINGS TO BE MULCHED IMMEDIATELY
UPON COMPLETION
OF SEED APPLICATION, IN ACCORDANCE W/
VESCH STD 3.35.
PS PERMANENT SEEDING
SCHEDULE
NO SCALE
(STD. & SPEC. 3.32 OF VIRGINIA
EROSION &
SEDIMENT CONTROL HANDBOOK, 3RD ED.)
TABLE 3.39-A
ADHESIVES USED FOR DUST CONTROL
Water Application
Dilution Type of Rate
Adhesive (Adhesive: Water) Nozzle Gallons/Acre
Anionic
Asphalt Emulsion
Latex Emulsion
Resin in Water
Acrylic Emulsion
(Non -Traffic)
Acrylic Emulsion
(Traffic)
ce: Va. DSWC
7:1 Coarse Spray 1,200
12.5:1 Fine Spray 235
4:1 Fine Spray 300
7:1 Coarse Spray
3.5:1 Coarse Spray
i_ - PalfAIIII;
ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS
%QUICK REFERENCE FOR ALL REGIONS"
Rate
Planting Dates Species abs./acre)
Sept. 1 - Feb. 15 50150 Mix of
Annual Ryegrass
(Lolium multi(Lolium multi-flo�m)
& 50 - 100
Cereal (Winter) Rye
(Secale cereale)
Feb. 16 - Apr. 30 Annual Ryegrass 60 - 100
450 (1-olium multi-florum)
350 May 1 - Aug 31 German Millet 50
(Setaria italics)
STONE
CONSTRUCTION
ACCESS -ti
�6" UN 2'A AGGREGATE BASE
PROFILE
J0' WIN.
ASPHALT PAVED
-V WASNRACK
EXISTING
2% 2 % PAVEMENT-
�X t 2' MAP.•
i I
I�POSITIVE DRAINAGE
*MUST EXTEND FULL WIDTH A jl TO SEDIMENT
Of INGRESS AND EGRESS
OPERATION TRAPPING DEVICE
ELM
12' MIN.- �{POSIINE DRANAG
TO SEDIMENT
TRAPPING DEVICE
FILTER C-O'HJ
SECTION A -A
A ululultlnt wain tap of 1 otch mint be Installed with a tttuwumn I inch Wilcock
shutoff cah a supph•uug a wail hose with a thauuda of 1 4 mtht� too adequAle
cotwtaut pteNsive. Wa h wain must be caused awa\ fionL the rnhance to an
appuo�etf settluw sues to Lauot'e setlnuetut .-W setluuau �ha8 be preteulecf fiow
mtawz wate[tntu�e�
PAVED WASH RACK
BERM
WHERE THERE IS A BERM AT THE TOP OF THE SLOPE.
BRING THE MATERIAL OVER THE BERM AND ANCHOR R
BEHIND THE BERM. _
ON S� SLOPES, APPLY
PROTECTIVE COVERING PARALLEL
TO THE DIRECTION OF FLOW
AND ANCHOR SECURELY.
BRING MATERLLL DOWN TO A LEVEL AREA BEFORE
TERMINATING THE INSTALLATION. TURN THE END 127
UNDER 4' AND STAPLE AT 1Y INTERVALS,
'....:.... ,.........tr
Source: Adapted from Ludlow Products Brochure
IN DITCHES, APPLY PROTECTIVE COVERING
PARALLEL TO THE DIRECTION OF FLOW.
USE CHECK SLOTS AS REQUIRED. AVOID
JOINING MATERIAL IN THE CENTER OF
THE DITCH IF AT ALL POSSIBLE.
1992
3.02
STONE CONSTRUCTION ENTRANCE
70' MIN. I EXISTING
FILTER CLOTH' e MIN-1 Al -
SIDE ELEVATION
GROUND
11= ' - i�•i 11+• 1
IWn':iiy'U
,Pdy�yq
L VODT N] I
POSITIVE DRAINAGE
CDORSE AGGREGATE B
I TO SEDINE NT
I TRAPPING DEVICE
MUST EXTEND FULL WIDTH
OF INGRESS AND EGRESS
AN LAN VIEW
PL
12' MIN.
, 11. SECTION A -A
RE
SECTION B-B
Source: Adapted from 1983 Maryland Standards for Soil
Erosion and Sediment Control, and Va. DSWC
1992
FENCING AND
<
I
I
DRIP ore`
SNOW FENCE
p am JI(W 00
5:1
I
IV MIN.
EXISTING
PAVEMENT
10' MIN.
ORING
BERN
Plate 3.02-1
3.38
.T9- 60 CORRECT TRUNK ARMOR" G
TRIANGULAR BOARD FENCE
Source: Va. DSWC
3.36 19g2
;COTT/R. Ct?LLINSZI
Lic. No. 035791,a
L 9/21/20
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Plate 3.38-2
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3.05
V
F--
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. /
FLOW '
3. STAPLE FILTER MATERIAL
TO STAKES AND EXTEND
IT INTO THE TRENCH.
4. BACKFILL AND COMPACT
THE EXCAVATED SOIL.
i
FLOW
SHEET FLOW INSTALLATION
(PERSPECTIVE VIEW)
POINTS A SHOULD BE HIGHER THAN POINT B.
DRAINAGEWAY INSTALLATION
(FRONT ELEVATION)
Source: Adapted from Installation of Straw and Fabric Filter
Plate 3.36-1 Barriers for Sediment Control, Sherwood and Wyant Plate 3.05-2
WI
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JOB NO.
202179
SCALE
N/A
SHEET NO.
3
PROPOSED LOCATION ° Sediment Trap Design
OFF EU, L STORAGE / TP / / r vaaua E z H u
a M-M M M " °, drainage area (acres) (<3) 1.38 ^ss �✓
/EXISTING SOIL DESCRIPTION TYP. trap wlumes: CREST OF STORE WEIR O
\67 I / cM�-M ( ) elevation (ft) area (sf) wlume(ct7 wlume(cy) Ea,� AR AB E
- \, o. SCOTT R. LLINSZ
447 197 0 0.0 O - 3 �I �� 448 391 289 10.7 L� Lic. No. 0357911n
i � • 21� DRY STORAGE - ,.. VAR"LE�
SILT FENCE TO ENCOMPASS / 449 622 791 29.3 °pow 9 21 20
/ / tv
\ / 450 884 1_rv,540 57.0 �r'IONAL E��s
STOCKPILE LOCATION
PROPOSED ORANGE SAFETY FENCE
/ / /� 9 / 451 1177 2,567 95.1 wersrorsnGE i, 1Ax
TO ENCOMPASS SEDIMENT TRAP / /. l / l l i , ♦ \ s/ , 452 1500 3,902 144.5 (DUVATED)
+ / FETER ILOTN °R INAL
AND ITS OUTFACEATALL TIMES FOR i l / / ,y / l l /l ♦ V / 453 1849 5,573 206.4 �ND
SAFETY. INSTALL SIGNS AROUND17 I 1 /
h lh l� ; l I i ♦ /, 454 2223 7,607 281.7
TRAP THAT READ "DANGER, QUICK I I I i d. / �/a. / I � I � it I/ / � � I � SEE PLATE JA3-I COARSE AOGREGATE'� CLASS I RIPRAP
SAND, DO NOT ENTER" I I S / / / I ; / 1+ \ ♦ /
I
- / I Mumma
------------
v/ tS / FLOW DIRECTION / wet storage:
I ARROW (TYP.) / wet storage required (cy) (67"DA) 92.5
/ 39D / I I / i bottom of stone weir (ft) 451.0
I I ' EXISTING SOIL LINE (TYP.) /
wet storage provided at this elevation (cy) 95.1
� �J 1 1 � � slope of wet storage sides 2:1 z Q
weir length (ft) (6xDA) 8.3 O
I I I I I I I k~
dry storage: bottom of trap elevation (ft) 446.5 : m
dry storage required (cy) (67'DA) 492.5 bottom trap dimensions: 4Tx41' z V) V)
P . / / - _ crest of stone weir 454.0 top of dam elevation (ft) 454.75 Z
D 3 - - -- I dry storage provided at this elevation (cy) 281.7 top width of dam (ft) 4' O O >
/ . /1�/ / ' / \ I I I / 1' 1 / slope of dry storage sides 2:1 top trap dimensions 35'x75' �..� F
NOTE: THE FUELING TANK SHALL BE COMPLETELY L z
SURROUNDED BYAz.S' DEEP, z' WIDE EARTHEN SEDIMENT TRAP #1 DESIGN
OF DUM ED LOCATION / I 3 PROPOSED TEMPORARY
BERM WITH A HEAVY MIL POLYETHYLENE LINING.
S / 1 1 DIVERSION DIKE >
THE PROPOSED BERM SHALL CONTAIN FUEL
PROPO PSTER(s) 1 / o \ SHOULD IT BE SPILLED, SPILLED FUEL SHALL NOT '" W
BE RELEASED OUTSIDE THE LIMITS OF THE / Uj
CONTAINED FUEL STORAGE AREA. CONTRACTOR
\ PROPOSED LOCATION - / "o SHALL ENSURE THE BERM VOLUME IS io% LARGER j
Ju OF PORTA-POTTY / _ ii i 1 1 c THAN THE MAXIMUM VOLUME OF STORED FUEL.
7
I / v / PROPOSED RIPRAP
Z SF b CONTRACTOR MAY ALSO ELECT TO PLACE THE OUTFALL TO EXISTIN
STORED FUEL IN AN ACCESSIBLE DUMPSTER. ROADSIDE DITCH I
r /y
iz x7o MIN. GRAVEL CONSTRUCTION �/ I OQ / I 1 / x
/ k
ENTRANCE. CONTRACTOR SHALL
AN ADEQUATE GRAVEL OR PAVED
CONSTRUCTION ENTRANCE IN / I / `4� p /
i
ACCORDANCE WITH MINIMU VESCH TS \ J 1 3 caii 9 / M -M M / w N
STANDARDS. CONSTRUCTION ENTRANCE _ �M o
SHALL BE A MINIMUM OF iz'x7o' AND / 3 / I / / \ r k a
SHALL REMAIN UNTIL APPROVAL TO // �� \ / DD 3a It
REMOVE IT HAS BEEN GRANTED BY VDOT I PHASE I DRA GE AR TO \
& TH ESC INSPECTOR W / \ _ 1 / DRAINAGE DIVIDE (TYP.) /
/ _ _�SEDIMENTTRA - SACRES i \ �
% /S 3 G i / /
/ / • a DC ♦ / / / // / / �� L9 7-
rn Z
w a /
PROP ED z.s' DEEP GRADED DEPRESSI N, / / / / // N
/ WITH A RUBBER MEMBRANE LINING TO k
PREVENT SOIL INFILTRATION, SHALL BE
US D FOR THE CONCRETE WASHOUT AREA
21C / /� �o��o / / ' OF DISTURBANCE=o.97ACRES \ I I / 0
SF I
/ �? . / 04
LIMITS c / / / L1_I T�
TP O
—�
w O
J z
/ 3 / / \ •�� I /i / / I H w
p
L9
E Q o
�♦ \ �� fie. 1 1 / / U (n
f PROPOSED LIMITS OF DISTURBANCE \ 48D��� \� \ 1 1
COINCIDES WITH EXISTING PROPERTY LINE \ ♦/ ,` / ' pZ5
LUV
LI
LL
C d
/ / / ` / / / / / ♦♦ ♦ \ \ c� / �\ \ • \ PROPOSED ORANG SAFETY FENCE TO CO ~� LU
LU
- / / / /� ♦ \ I \ ENCOMPASS SEDIMENT TRAP AND ITS I- I --I
/ / i / / G ♦�- — — — \ . / / / OUTFALLATALLTIMESFORSAFETY. LLI LU
/ / \ 9 ♦ -- a INSTALL SIGNS AROUND TRAP THAT READ L1j w U)
/ / / ` / / / ♦ / \ s '. / "DANGER, QUICK SAND, DO NOT ENTER" W Q
CO
/ / / ♦ _— F_ U
741#4� - / / J w
/59C � � i /0000
♦�♦ o� N
i LU
w F-
/ / // / // / / ��♦♦ I I \ ���/ / // d V)
/ / / / / / ♦♦ : --\�\\�/ ��/ JOB No.
202179
/GRHIC� SCA E / : _./ GRAPHIC` SCALE I SCALE
zo o /,o o / 4 80 ,0 D 5 ,0 zD 40 AS SHOWN
\ \ / / // / I / • / SHEET NO.
1 '(oh 7FEd) ft. / / - 1 inch FEE10 ) ft. 4
PROPOSED LOCATION ® — — — / TH OF
� OFF E(1, L STORAGE / � � TP � �
m M
_ _ _ —SCOTT R. LLINS Z
EXISTING SOIL DESCRIPTION (TYP.) / /
I U Lic. No. 035791,n
_ ■ I �1 2 9/21/20
I I / ah� /- i / / :,•;,; •'��y SILT FENCE TO ENCOMPASS / / �SStONAL E��S
STOCKPILE LOCATION v
PROPOSED ORANGE SAFETY FENCE I / / i� ' c9 _ _ _ X/
TO ENCOMPASS SEDIMENT TRAP
AND ITS OUTFACE AT ALL TIMES FOR
SAFETY. INSTALL SIGNS AROUND
TRAP THAT READ "DANGER, QUICK I I / Aw
v v/�
- _ SAND, DO NOT ENTER"
FLOW DIRECTION
ARROW (TYP.)
/ 0 39D / / I / I� 1 I / I I ' ' EXISTING SOIL LINE (TYP.) / Z
o
3 x a i
/ / o
/ 3
/ ♦ w / z
/ / ' / ♦ NOTE: THE FUELING TANK SHALL BE COMPLETELY
A
/ rn \�; ♦ \ SURROUNDED BY A 2.5' DEEP, 2' WIDE EARTHEN
PROPOSED LOCATION a ♦ BERM WITH A HEAVY MIL POLYETHYLENE LINING. / / , / /
♦ THE PROPOSED BERM SHALL CONTAIN FUEL / /UJ
O OF DU MPSTER(s) / ♦ o SHOULD IT BE SPILLED, SPILLED FUEL SHALL NOT / �' / / ce
I BE RELEASED OUTSIDE THE LIMITS OF THE /
CONTAINED FUEL STORAGE AREA. CONTRACTOR
PROPOSED LOCATION C / /; t-7 \ SHALL ENSURE THE BERM VOLUME IS io% LARGER / ,
Ja OF PORTA-POTTY
THAN THE MAXIMUM VOLUME OF STORED FUEL. ��
-d CONTRACTOR MAY ALSO ELECT TO PLACE THE �.
4 `�
0 STORED FUEL IN AN ACCESSIBLE DUMPSTER.
f N SF V A
i2 x7o' MIN. GRAVEL CONSTRUCTION
ENTRANCE. CONTRACTOR SHALL ENSURE CE /
AN ADEQUATE GRAVEL OR PAVED ���Q. / I �� ✓ / / w N
CONSTRUCTION ENTRANCE IN I / = h CD /
ACCORDANCE WITH MINIMU VESCH �� TS A
STANDARDS. CONSTRUCTION ENTRANCE r I d / a N
SHALL BE A MINIMUM OF 3.2'x7o' AND
SHALL REMAIN UNTIL APPROVAL TO DD
REMOVE IT HAS BEEN GRANTED BY VDOT
& TH ESC INSPECTOR VV / \ _ / / V DRAINAGE DIVIDE (TYP.)
O RA NAGE
SEDIMEPHANT TRAP 1 8A ACRES
s� / 3
♦ / L9
IP
a M
BM
PROPO ED 2.5' DEEP GRADED DEPRESSI N, - / / / � Md.
` / / / 3 w — — — — /, / ♦ WITH A RUBBER MEMBRANE LINING TO '
/ / < ♦ PREVENT SOIL INFILTRATION, SHALL BE
/ / / / \ c, ♦ US D FOR THE CONCRETE WASHOUT AREA.
�/ ��V �� ��� ♦� "-� - / / / / WSF N
LIMITS OF DISTURBANCE=o.97 ACRES ♦ e J
Lu
21C / / / �� ♦ 3 / / / / �--I Z
♦� TP �J / / / (O
H w
A, L9
��.. � Q �
� \ T 1 \ 1 \ / \ \ / / Q I —I w
♦
�/ _ I
���♦ i o U
PROPOSED LIMITS OF DISTURBANCE > I \ \ / /f /
COINES
ES WITH EXISTING PROPERTY LINE / "aeo /` \ \ \ \ \ G X // /Lu
r-/
/ j
LLJ
Ln
� — cn � w
_ _-490
s
// / / - / / / ♦ _ T� \; Lu
WLu U)
Lu
EROSION & SEDIMENT CONTROL LEGEND in
/ ` l / � / •. / \ ' � 3 / / of V/RG/N/A EROSION & SEDIMENT CONTROL
HANDBOOK SPECIFICA TION NUMBER
,
— .. / J w J
� .� . �. %' / CE CONSTRUCTION 3.02
*41� . .' ENTRANCE N H�
I SF SILT FENCE 3.05
.lL�IL�
CULVERT INLET 3.08 v
/ / / l / / / / / / / / / / •. \ S I `PNU//a PROTECTION c:)
/ / / s / / / / // / / / ♦ DD �� TEMPORARY 3.09 t]
DIVERSIONDIKE
RW TEMPORARY RIGHT- 3.11 59C noun
OF-WAYDIVERSION Lu
/ / / / / / ♦♦ ,\ ST O /\ / / / ♦ NT 3.13
SEDIMENT RAP
u
/ / \ / / / / / / / ♦ \ RR RIPRAP 3.19 F-
I /\ / / / / / / / ♦ / 0 _
/ / / / / / / / / / �♦ : TS TS TEMPORARY SEEDING 3.31 d U)
I �(/ / JOB NO.
ilC r� AL PERMANENT SEEDING 3.32202179
AP / ♦ / TP TREE PROTECTION 3.38
zo o io zo / ao so I / / ..�� SC ALE
DUSTCONTROL 3.39 1 20
ft.
/1,EET )• NOTE: ALL DISTURBED AREAS NOT PAVED MUST HAVE A SHEET NO.
in20
PERMANENT VEGETATIVE COVER AFTER FINAL
\ / 1 / # GRADING IS COMPLETED. 5
PROPOS�D LOCATION / ® PS I ( TP I / I — / / / TH p�,�
OFF E�J L STORAG= a
M r � �SCOTT R. LLINS'Z
j EXISTING SOIL DESCRIPTION (TYP.) � �
Lic. No. 035791 n
4w� 9/21/20
0�4
21� SILT FENCE TO ENCOMPASS / / ��&SIONAL EGOS
STOCKPILE LOCATION /
l it �ii. x. • /
/ PROPOSED ORANGE SAFETY FENCETO ENCOMPASS SEDIMENT TRAP
/
AND ITS OUTFALL AT ALL TIMES FOR SAFETY. INSTALL SIGNS AROUND
TRAP THAT READ "DANGER, QUICK
_ SAND, DO NOT ENTER" I' I S
71
FLOW DIRECTION
ARROW (TYP.)
o / \___
/
EXISTING SOIL LINE (TYP.) o Q
u M
w a
0 13
p >
Is —
/ L z
S I a/ NOTE: THE FUELING TANK SHALL BE COMPLETELY
� I 1 I 1 j SURROUNDED BY A 2.5' DEEP, 2' WIDE EARTHEN
PROPOSED LOCATION / PHASE III DRAINAGE AREA TO ' BERM WITH A HEAVY MIL POLYETHYLENE LINING. W
SEDIMENT TRAP=i. z ACRES I I V THE PROPOSED BERM SHALL CONTAIN FUEL / / /
0 OF DUMPSTER(s) M I / 3� I 1 0 SHOULD IT BE SPILLED, SPILLED FUEL SHALL NOT / / / / /ce
BE RELEASED OUTSIDE THE LIMITS OF THE
CONTAINED FUEL STORAGE AREA. CONTRACTOR /
PROPOSED LOCATION
SHALL ENSURE THE BERM VOLUME IS io% LARGER \
OF PORTA-POTTY i i (�, i A i/ ,� C A
� � / a THAN THE MAXIMUM VOLUME OF STORED FUEL. \ 59\
I
� ♦ @@���,��' �, I � 'll � �r, `-d CONTRACTOR MAY ALSO ELECT TO PLACE THE \ /
�� I -� SF y STORED FUEL IN AN ACCESSIBLE DUMPSTER.
iz -MIN. GRAVEL CONSTRUCTION
ENTRANCE. CONTRACTOR SHALL ENSURE CE
AN ADEQUATE GRAVEL OR PAVED w N
CONSTRUCTION ENTRANCE IN
ACCORDANCE WITH MIN MU VESCH
STANDARDS. CONSTRUCTION ENTRANCE
SHALL BE A MINIMUM OF 12'x7 o' AND
SHALL REMAIN UNTIL APPROVAL TO /
REMOVE IT HAS BEEN GRANTED BY VDOT
& TH ESC INSPECTOR WD / I I v I I I ' / / DRAINAGE DIVIDE (TYP.)
l l � TW � W♦ W� / � � � � � � � � � 3 /
M ♦ / / I �� 3 / / L
♦ M
/ / 3 IP rn
�� / � / of � � I B M � � � I � � - ♦ � / / / � � Q
P // PROPO �D 2.5' DEEP GRADED DEPRESSI N, — / / / / m
I j I I I . WITH A RUBBER MEMBRANE LINING TO
PREVENT SOIL INFILTRATION, SHALL BE
ry US D FOR TE CONCRETE WASHOUT AREA.
J C
. I / / / O G z
�Y d
> o
LIMITS OFDISTURBANCE-o.97 ACRES 21C / J
/ \ =�
> U
Lu
/ / �/ �� �•� �- 1 � \ 3 // / / Q w
as
PROPOSED LIMITS OF DISTURBANCE _�� J I \ \ / i� �f / /
ii
COIN I ES WITH EXISTING PROPERTYLIiELLj
V)
cl�
\ w ' Lu
�J, Fi
/
Lu Lij
/ / / � / / 1 � /� / �♦ / — --yam � / �
w
mum
/59c Lu
/ r ♦� ♦,
/ / / / ♦ , b F-
I / / a Lu
JOB NO.
■
/ / // / / / r/ / � / ♦♦♦ � / G APHI CALE 202179
\ \ \ / / , / / / / •♦ / 20 0 10 20 40 90 SCALE
♦ 1v r ( IN FEET ) SHEET NO.
\ \ / / //� / / / I / ♦1 inc - 20 ft. 6
eKt-UtVtLUNIvItIN I J I UKIvIWAI tK MAINAUrIvItIN I PLAIN, SCALE 1"=30'
F'UJ 1-UtVILLUF MILIN I J I UKIvIVVAI tK FIAINAbtI"ILIN I F'LAI'
V=30'
I
I
I
I
I
/
3
/
/ I
3 M /
IPROPERTY
Y I - .��,`■�• M c\I LIMITS, TYP.
/ I � � 1 I � ♦J� l /
/ I P E-DEV DA A
1.32 C.
I CN= 3.9
J/
Tc=0.113 hrs+
i
• / /
/ THE ESC BOUNDARY FO$ THE
Y�f10�OF OLF w/ A ELEV.=f,8 LIMITS OF DISTURBAN21` DEFINES
z50' OF CONC. FLOW w//A� ELE 3 THE VRRM BOUNJYA'RY FOR TER
/ QUALITY. TOTAL LIMITS /
DISTURBANCE= 0.9y ac.
APB-ROXIMATE LIMITS L �\ \
/DISCARDED DIRT & MUL _
rXSTIN6; CLOSED STORM SEWER
SYSTEM (TO REMAIN) ROUTES
/ PLAND RUNOFF THROUGH THE
BJECT PROPERTY.
— / �♦ �UNDEVELOPED�� s
�♦ PORTION OF
♦♦\.._.f THEISI,TE ♦
GpS
_ N /
♦ S
/ // / I /
Pre -Development Impervious Area Summary / / / /GR�P C SCALE
DA A (Water Ouantitv) / 4
Existing Gravel 2,625 sf
Discarded Dirt and Mulch 7,175 sf
Existing Pavement & Concrete 41375 sf
30 0 ) 30 so 120
IN FEET) �
14,175 sf / / 1 ch = 30 ft.
WATERSHED SUMMARY FOR ENERGY BALANCE CALCULATIONS
Area,
1-year Flow,
2-year Flow,
30-year Flow,
CN
ac.
cfs
cfs
cfs
DAA (Pre-Dev.)
63.9 1.32
0.93
1.53
4.07
DA A (Post-Dev.)
73.0 1.32
0.40
1.02
3.28
Post -Development VRRM Impervious Area Summari,
Boundary Defined by ESC LOD (Water Quality)
d Building
2,070 sf
d Concrete
1,675 sf
d Parking Lot
L
14,225 sf
Ridge Road Improvements
4,075 sf
22,045
neral Construction notes for Stormwater Management Plans
1. All dams and constructed fill to be within 95% of maximum dry
density and 2% of optimum moisture content. All fill material to
be approved by a geotechnical engineer. A geotechnical engineer is
to be present during construction of dams.
2. Pipe and riser joints are to be watertight within stormwater
management facilities.
3. For temporary sediment traps or basins which are to be converted
to permanent stormwater management facilities; conversion is not
to take place until the site is stabilized, and permission has been
obtained from the County erosion control inspector.
91/
POST-DEV DA A
1.32 ac.
f V A CN=73.0
\Tc 0.12 hrs.
\
' V
• ; THE ESC BOUNDARY F0RTHE
LI TS OF DISTURBANCE DER S
THE VRRM BOUNDARY FOR ATER/
3 QUALITY. TOTAL LIMITS OF/
DISTURBANCE= 0. ac.
/
•s �
. 'EXIST[ CLOSED STORM SEWER
SYSTEM (TO REMAIN) ROUTES
xii xxx i „.<_ / PLAND RUNOFF THROUGH THE
` PORTION E, u _--�
o� \ F
\ TH ESITE
� c \
/ / / / / ♦♦ /405 OF CONC. FLOW w/ AEV
At Ark
J / / / / /"♦♦♦ j
Post -Development Impervious Area Summary
DA A (Water Quantity)
Existing Gravel 1,975 sf / GRP C SCALE
Existing Pavement & Concrete 4,375 sf / / / 30 0 15/ 30 80 120 /
Proposed Building 2,070 sf
Proposed Concrete 500 sf
Proposed Parking Lot 12,375 sf / IN FEET) / /
21,295 sf / 1 nah = 30 ft. 11
GENERAL SWM NOTES:
2. STATE APPROVED TRASH RACKS SHALL BE INSTALLED ON ALL ORIFICE OPENINGS. SEE DETAILS
ON THE NEXT SHEET, OR EQUIVALENT, FOR INSTALLATION.
2. CONCRETE FOUNDATIONS SHALL BE INSTALLED ON ALL RISER STRUCTURES MEETING MINIMUM
VESCH 3.24 SPECIFICATIONS.
3. CONTRACTOR SHALL HIRE ATHIRD PARTY GEOTECHNICAL ENGINEER TO ENSURE THE
EMBANKMENTS ARE STRUCTURALLY SOUND. THE EMBANKMENTS SHALL HAVE A COMPACTED
CLAY CORE WITH A CUTOFFTRENCH & BE IN ACCORDANCE WITH THE DETAILS SHOWN IN THIS
PLAN. BERMS AND SPILLWAYS SHALL BE STABILIZED WITH EC-3 MATTING AND THE REMAINING
DISTURBED EMBANKMENT SLOPES SHALL BE STABILIZED WITH EC-2 MATTING. ALL BERM FILL
MATERIAL SHALL CONSIST OF MIL, CL, SC OR GC SOILS & BE FREE OF WOOD, ROOTS, ROCKS OR
ANY OTHER NON COMPACTING SOIL. COMPACTED FILL SHALL BE PROCTOR MAXIMUM DRY
DENSITY ASTM D698 AND HAVE A MINIMUM OF 95%OF MAXIMUM DRY DENSITY AND 2% OF
OPTIMUM MOISTURE CONTENT. ALL EXISTING AND PROPOSED FILL MATERIAL AND PROPOSED
CONSTRUCTION SHALL BE APPROVED BY AN ONSITE GEOTECHNICAL ENGINEER PRESENT DURING
THE CONSTRUCTION OF THE EMBANKMENTS AND FILL AREAS, AND PRESENT DURING THE CORE
SAMPLING.
4. THE DOWNSTREAM EMBANKMENT SIDE SLOPES OF ALL PERMANENT FACILITIES SHALL HAVE
MAXIMUM 3:1 SLOPE.
5. CONTRACTOR SHALL EXCAVATE SEDIMENT LADEN MATERIAL IN ANY ESC SEDIMENT TRAPPING
FACILITY THAT IS PROPOSED TO BE CONVERTED TO A PERMANENT SWM FACILITY. ATTHETIME
OF THE FACILITY's CONVERSION TO A PERMANENT SWM FACILITY, THE CONTRACTOR SHALL
REGRADE THE BASIN TO THE PROPOSED CONTOURS SHOWN ON THE PROPOSED SWM PLAN. THE
CONTRACTOR SHALL MINIMIZE SOIL COMPACTION DURING THE CONVERSION.
STORMWATER MANAGEMENT NARRATIVE:
OVERVIEW
THIS PROJECT PROVIDES STORMWATER MANAGEMENT (SWM) PRACTICES TO MITIGATE THE IMPACTS FROM THE
PROPOSED IMPROVEMENTS. THIS STORMWATER MANAGEMENT PLAN COMPLIES WITH PART IIB SWM REQUIREMENTS
AND IS FOR THE DEVELOPMENT OF PHASE I OF THIS PROPERTY, AS SHOWN. AT THE TIME OF PHASE II's DEVELOPMENT,
A SEPARATE VSMP REVIEW AND APPROVAL WILL BE REQUIRED.
WATER QUALITY SUMMARY
THE STORMWATER REQUIREMENTS UIREMENTS FOR THIS DEVELOPMENT ARE MET THROUGH THE BEST MANAGEMENT
Q Q
PRACTICE OF PURCHASING NUTRIENT CREDITS. A MINIMUM PHOSPHOROUS REMOVAL RATE OF 0.92 Ibs/yr IS REQUIRED
FOR PHASE I. THIS REMOVAL RATE TAKES INTO CONSIDERATION THE PROPOSED PHASE I, BUT DOES NOT INCLUDE A
POTENTIAL FUTURE PHASE II. THE DEVELOPER WILL PURCHASE NUTRIENT CREDITS PRIOR TO THE ISSUANCE OF A LAND
DISTURBANCE PERMIT. PLEASE SEE THE ATTACHED CALCULATIONS PACKET AND THE SWM SHEETS FOR ADDITIONAL
DETAILS.
WATER QUANTITY SUMMARY
THE PROPOSED DEVELOPMENT OUTFALLS INTO AN EXISTING MANMADE STORM SEWER SYSTEM LOCATED ON STONEY
RIDGE ROAD. THE VAST MAJORITY OF PHASE I's PROPOSED IMPROVEMENTS ARE ATTENUATED VIA AN
INTERCONNECTED SWM BASIN WAND SWM BASIN 'I THE RUNOFF RELEASED FROM THIS SYSTEM MEETS MINIMUM
CHANNEL AND FLOOD PROTECTION REQUIREMENTS SET FORTH IN 9 VAC 25-870-66. CHANNEL PROTECTION IS MET
THROUGH 9VAC25-870-66 SECTION EI (ENERGY BALANCE) AND FLOOD PROTECTION IS MET THROUGH
9VAC25-870-66 SECTION C.2.b. (10yr. POST FLOW < 10 yr. PRE FLOW). PLEASE SEE THE ATTACHED CALCULATIONS
PACKET AND THE SWM SHEETS FOR ADDITIONAL DETAILS.
SCOTT/R. CT?LLINSZ
Lic. No. 035791,a
A 9/21/20
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SCALE
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SHEET NO.
7
DETENTION BASIN'AI & 1B1 CONSTRUCTION NOTES:
FACILITY PLANTING SPECIFICATIONS:
1. THE DETENTION BASIN SHALL HAVE TURF GROUND COVER SUCH AS GRASS OR SOME OTHER FORM OF A VEGETATIVE GROUNDCOVER. LANDSCAPING BEYOND THIS IS OPTIONAL AND
IS NOT REQUIRED.
2. THE PROPOSED INTERIOR SIDE SLOPES OF THE BASIN SHALL BE A MAXIMUM OF 4:1 TO REDUCE THE RISK OF EROSION. THE PROPOSED FLOOR SLOPES SHALL BE GRADED TO PROVIDE
POSITIVE DRAINAGE AT ALL TIMES TO THE RISER STRUCTURE.
3. WOODY VEGETATION SHALL NOT BE PLANTED OR ALLOWED TO GROW WITHIN 15 FEET OF THE TOE OF THE EMBANKMENT NOR WITHIN 25 FEET OF THE PRINCIPAL SPILLWAY
STRUCTURE.
4. THE SOILS IN THE STORMWATER BUFFER AREA ARE OFTEN SEVERELY COMPACTED DURING THE CONSTRUCTION PROCESS, TO ENSURE STABILITY THE DENSITY OF THESE COMPACTED
SOILS CAN BE SO GREAT THAT IT EFFECTIVELY PREVENTS ROOT PENETRATION AND, THEREFORE, MAY LEAD TO PREMATURE MORTALITY OR LOSS OF VIGOR. AS A RULE OF THUMB,
PLANTING HOLES SHOULD BE THREE TIMES DEEPER AND WIDER THAN THE DIAMETER OF THE ROOTBALL FOR BALL -AND -BURLAP STOCK AND FIVE TIMES DEEPER AND WIDER FOR
CONTAINER -GROWN STOCK.
5. AVOID SPECIES THAT REQUIRE FULL SHADE, OR ARE PRONE TO WIND DAMAGE. EXTRA MULCHING AROUND THE BASE OF TREES AND SHRUBS IS STRONGLY RECOMMENDED AS A
MEANS OF CONSERVING MOISTURE AND SUPPRESSING WEEDS.
CONTRACTOR REQUIREMENTS:
1. THE CONTRACTOR SHALL BE RESPONSIBLE FOR LAYOUT OF ALL WORK COVERED UNDER THESE PLANS.
2. LANDSCAPE CONTRACTOR SHALL REFER TO THE STANDARDIZED LANDSCAPE SPECIFICATIONS FOR THE STATE OF VIRGINIA FOR ADDITIONAL INFORMATION. THE CONTRACTOR SHALL
ABIDE BY ITS CONTENTS; HOWEVER ANY NOTES OR SPECIFICATIONS ON THE PLANS SHALL SUPERSEDE THOSE OUTLINED IN THE SPECIFICATIONS MANUAL (COPIES ARE AVAILABLE FOR
A FEE FROM THE VIRGINIA CHAPTER OF THE AMERICAN SOCIETY OF LANDSCAPE ARCHITECTS, VIRGINIA NURSERYMEN'S ASSOCIATION, INC. AND THE VIRGINIA SOCIETY OF LANDSCAPE
DESIGNERS). ALL DISCREPANCIES SHALL BE BROUGHT TO THE ATTENTION OF COLLINS ENGINEERING PRIOR TO THE CORRESPONDING CONSTRUCTION ACTIVITY.
3. ALL PLANT MATERIAL SHALL MEET THE MINIMUM SPECIFICATIONS AND STANDARDS DESCRIBED IN THE CURRENT ISSUE OF THE AMERICAN STANDARD FOR NURSERY STOCK,
PUBLISHED BY THE AMERICAN ASSOCIATION OF NURSERYMEN, 1250 STREET, NW, SUITE 500, WASHINGTON, DC 20005.
4. THE CONTRACTOR SHALL VERIFY ALL DIMENSIONS IN THE FIELD AND NOTIFY THE DESIGNER OF ANY VARIANCE FROM THE PLAN.
S. THE LANDSCAPE CONTRACTOR IS RESPONSIBLE FOR VERIFYING THE LOCATION OF ANY ONSITE UTILITIES (CALL MISS UTILITY AT 1-800-552-7001 BEFORE ANY EXCAVATION).
6. REFER TO THE APPROVED FINAL SITE PLANS FOR ANY DETAILED SITE INFORMATION.
7. ALL WORK SHALL BE COORDINATED WITH OTHER PARTIES.
S. PLANTS WILL BE PREPARED FOR SHIPMENT IN A MANNER THAT WILL NOT CAUSE DAMAGE TO THE BARK BUDS BRANCHES STEMS OR OVERALL SHAPE OF THE STOCK. CONTAINER
GROWN PLANTS WILL BE TRANSPORTED IN THE CONTAINERS IN WHICH THEY HAVE GROWN.
9. ALL PLANT MATERIAL, UNLESS OTHERWISE SPECIFIED, SHALL BE UNIFORMLY BRANCHED AND HAVE A VIGOROUS ROOT SYSTEM. PLANT MATERIAL SHALL BE HEALTHY, VIGOROUS, AND
FREE FROM DEFECTS, DECAY, DISEASES, INSECT PEST EGGS, AND ALL FORMS OF INFESTATION. ALL PLANT MATERIAL SHALL BE FRESH, FREE FROM TRANSPLANT SHOCK OR VISIBLE
WILT. PLANTS DEEMED UNHEALTHY WILL BE REJECTED.
10. ALL CONTAINER STOCK SHALL HAVE BEEN PROPAGATED IN A CONTAINER LONG ENOUGH FOR THE ROOT SYSTEM TO HAVE DEVELOPED SUFFICIENTLY TO HOLD ITS SOIL. CONTAINER
STOCK WITH POORLY DEVELOPED ROOT SYSTEMS WILL NOT BE ACCEPTED.
11. PLANTS NOT INSTALLED ON THE DAY OF ARRIVAL ON SITE SHALL BE STORED AND PROTECTED BY THE CONTAINER. OUTSIDE STORAGE AREAS WILL BE SHADED AND PROTECTED FROM
THE WIND AND SUN. PLANTS STORED ON SITE SHALL BE PROTECTED FROM ANY DRYING AT ALL TIMES BY COVERING THE BALLS OR ROOTS WITH MOIST SAWDUST, WET BURLAP,
WOOD CHIPS, SHREDDED BARK, PEAT MOSS, OR OTHER SIMILAR MULCHING MATERIAL.
12. THE OWNER RESERVES THE RIGHT TO SUBSTITUTE PLANT MATERIAL TYPE, SIZE AND/OR QUANTITY. ANY SUBSTITUTIONS MUST BE APPROVED BY THE INSPECTOR INITIALLY, AND THEN
THE DESIGNER.
13. MINOR FIELD ADJUSTMENTS MAY BE NECESSARY DUE TO SITE CONDITIONS (EX: ROOTBALL AND UTILITY CONFLICT). MAJOR ADJUSTMENTS MUST BE APPROVED BY THE DESIGNER.
14. NO PLANTING SHALL OCCUR WHEN THE SOIL IS FROZEN.
15. PLANT MATERIAL SHALL BE PLACED IN EXISTING SOIL WITH EACH PLANTING PIT EXCAVATED TO A S1ZE SUFFICIENT TO CONTAIN THE ENTIRE ROOT BALL OR ROOT MASS, WITHOUT
CRAMPING ROOTSTOCK.
16. THE CONTRACTOR SHALL MAINTAIN A ONE (1) CALENDAR YEAR 90%CARE AND REPLACEMENT WARRANTY FOR ALL PLANTINGS. THE PERIOD OF CARE AND REPLACEMENT SHALL BEGIN
AFTER INSPECTION AND APPROVAL OF THE COMPLETE INSTALLATION OF ALL PLANTS AND CONTINUE FOR ONE CALENDAR YEAR.
17. THE CONTRACTOR IS RESPONSIBLE FOR REMOVAL AND DISPOSAL OF TRASH AND DEBRIS WITHIN THE LIMITS OF THE PLANTING ON A DAILY BASIS.
18. THE CONTRACTOR WILL NOT BE RESPONSIBLE FOR PLANT MATERIAL THAT HAS BEEN DAMAGED BY VANDALISM, FIRE, OR OTHER ACTIVITIES BEYOND THE CONTRACTOR's CONTROL.
FACILITY CONSTRUCTION
1. THE DETENTION BASIN MAY SERVE AS A SEDIMENT BASIN AND/OR TRAP DURING PROJECT CONSTRUCTION. IF THIS IS DONE THE VOLUME SHALL BE BASED ON THE MORE STRINGENT
SIZING RULE EROSION AND SEDIMENT CONTROL REQUIREMENTS VS. STORMWATER TREATMENT REQUIREMENTS). INSTALLATION OFTHE PERMANENT RISER SHALL BE INITIATED
( Q
DURING THE CONSTRUCTION PHASE, AND DESIGN ELEVATIONS SHALL BESET WITH FINAL CLEANOUT OF THE SEDIMENT BASIN AND CONVERSION TO THE POST CONSTRUCTION POND
IN MIND. APPROPRIATE PROCEDURES SHALL BE IMPLEMENTED TO PREVENT DISCHARGE OF TURBULENT WATERS WHEN THE BASIN IS BEING CONVERTED TO AN DETENTION BASIN.
2. THE DETENTION BASIN SHALL ONLY BE CONSTRUCTED AFTER THE CONTRIBUTING DRAINAGE AREA TO THE POND IS COMPLETELY STABILIZED. IF THE PROPOSED POND SITE WILL BE
USED ASA SEDIMENTTRAP OR BASIN DURING THE CONSTRUCTION PHASE THEN THE FACILITY WILL BE DEWATERED DREDGEDAND RE-GRADEDTO DESIGN DIMENSIONS AFTER THE
ORIGINAL SITE CONSTRUCTION IS COMPLETE. MODIFICATIONS SHALL BE MADE TO THE RISER, ORIFICES AND BARRELS AS REQUIRED SO THATTHEY ARE CONSISTENT WITH THE FINAL
CONSTRUCTION SPECIFICATIONS.
3. THE CONTRACTOR SHALL ASSEMBLE CONSTRUCTION MATERIALS ON -SITE, MAKING SURE THEY MEET DESIGN SPECIFICATIONS AND ARE PREPARED AT STAGING AREAS WHEN POSSIBLE.
4. THE CONTRACTOR SHALLCLEAR AND STRIP THE PROJECTAREA IF REQUIRED TOTHE DESIRED SUB -GRADE.
5. INSTALL E&S CONTROLS PRIOR TO CONSTRUCTION OF THE BASIN INCLUDING TEMPORARY DE -WATERING DEVICES AND STORMWATER DIVERSION PRACTICES. ALL AREAS
SURROUNDING THE BASIN THAT ARE GRADED OR DENUDED DURING CONSTRUCTION SHALL BE PLANTED WITH TURF GRASS, NATIVE PLANTINGS, OR OTHER APPROVED METHODS OF
SOIL STABILIZATION.
6. CONTRACTOR SHALL EXCAVATE THE CORE TRENCH AND INSTALL THE SPILLWAY PIPE DURING THE ESC PHASE.
7. CONTRACTOR SHALL ALSO INSTALL THE RISER, OUTFLOW STRUCTURE AND/OR THE BARREL(s) WITH PERMANENT COLLARS DURING THE ESC PHASE. CONTRACTOR SHALL ENSURE THE
TOP INVERT OF THE OVERFLOW WEIR IS CONSTRUCTED LEVEL AT THE DESIGN ELEVATION.
8. THE CONTRACTOR SHALL CONSTRUCT THE EMBANKMENT AND ANY INTERNAL BERMS IN 8-TO 12-INCH LIFTS, COMPACTION SHALL BE COMPLETED IN LIFTS WITH APPROPRIATE
EQUIPMENT. THE CONTRACTOR SHALL ALSO ADHERE TO THE CLAY LINER SPECIFICATIONS OUTLINED IN TABLE 14.4 BELOW:
Table 14.4. Clay Liner Specifrcauons
Property
Test Method
I
Specification
Permeability
ASTM D-2434
Cm/sec
1 X 10
Plasticity Index of Gay
ASTM D-423/424
%
Not less than 15
Liquid Limit of Clay
ASTM D-2216
%
Not less than 30
Clay ParBUes Passing
ASTM D-422
%
Not less than 30
Cla Com coon
ASTM o-2216
%
95% of standard teen
Source: Virginia Stormwater Management Handbook (1999)
9. UPON COMPLETION OFTHE EMBANKMENT GRADING THE CONTRACTORSHALL EXCAVATE/GRADE UNTIL THE APPROPRIATE ELEVATIONAND DESIRED CONTOURS ARE ACHIEVED FOR
THE BOTTOM AND SIDE SLOPES OF THE BASIN.
10. CONTRACTOR SHALL THEN CONSTRUCT THE EMERGENCY SPILLWAY IN CUT OR STRUCTURALLY STABILIZED SOILS.
11. THE CONTRACTOR SHALLTHEN FINISH CONSTRUCTION OF ALL OUTLET STRUCTURES, INCLUDING DOWNSTREAM RIP -RAP APRON PROTECTION IF APPLICABLE.
12. THE CONTRACTOR SHALL NEXT STABILIZE EXPOSED SOILS BY HYDROSEEDING OR SEEDING OVER STRAW.
13. THE CONTRACTOR SHALLTHEN INSTALL THE APPROPRIATE BASIN LANDSCAPING IN ACCORDANCE WITH THE APPROVED PLANS, IF APPLICABLE.
FACILITY MAINTENANCE:
MAINTENANCE OF THE DETENTION BASIN IS DRIVEN BY ANNUAL INSPECTIONS THAT EVALUATE THE CONDITION AND PERFORMANCE OFTHE FACILITIES. DURING THESE INSPECTIONS THE
FOLLOWING TASKS SHALL BE PERFORMED BY THE CONTRACTOR IN THE FIRST YEAR FOLLOWING INSTALLATION, AND THE OWNER THEREAFTER:
1. MEASURE SEDIMENT ACCUMULATION LEVELS IN THE BASIN.
2. MONITOR THE GROWTH OF THE GROUNDCOVER AND ANY TREES AND SHRUBS PLANTED, AS APPLICABLE. RECORD THE SPECIES AND THEIR APPROXIMATE COVERAGE, AND NOTE THE
PRESENCE OF ANY INVASIVE PLANT SPECIES, AS APPLICABLE.
3. INSPECT THE CONDITION OF STORMWATER INLETS TO THE BASIN FOR MATERIAL DAMAGE, EROSION OR UNDERCUTTING.
4. INSPECT THE BANKS OF UPSTREAM AND DOWNSTREAM CHANNELS FOR EVIDENCE OF SLOUGHING, ANIMAL BURROWS, BOGGY AREAS, WOODY GROWTH, OR GULLY EROSION THAT
MAY UNDERMINE EMBANKMENT INTEGRITY.
5. INSPECTBASIN OUTFALLCHANNEL FOR EROSION UNDERCUTTING RIP -RAP DISPLACEMENT WOODYGROWTH AND OTHER AREAS OF CONCERN ASAPPLICABLE.
6. INSPECT CONDITION OF PRINCIPAL SPILLWAY AND RISER FOR EVIDENCE OF SPALLING, JOINT FAILURE, LEAKAGE, CORROSION OR OTHER FAILURES.
7. INSPECT CONDITION OF ALL TRASH RACKS, REVERSE SLOPED PIPES OR FLASHBOARD RISERS AS APPLICABLE FOR EVIDENCE OF CLOGGING, LEAKAGE, DEBRIS ACCUMULATION OR OTHER
FAILURES.
8. INSPECT MAINTENANCE ACCESS TO ENSURE IT IS FREE OF WOODY VEGETATION, AND CHECK TO SEE WHETHER VALVES, MANHOLES AND LOCKS CAN BE OPENED AND OPERATED.
9. INSPECT INTERNAL AND EXTERNAL SIDE SLOPES OF THE BASIN FOR EVIDENCE OF SPARSE VEGETATIVE COVER, EROSION, OR SLUMPING.
10. OWNER OR CONTRACTOR SHALL MAKE NEEDED REPAIRS IMMEDIATELY.
FACILITY INSPECTION:
MULTIPLE INSPECTIONS ARE CRITICALTO ENSURE THE BASINS) ARE PROPERLY CONSTRUCTED. BECAUSE THE TIMING OF THE INSTALLATION IS DICTATED BY THE CONTRACTOR, THE
CONTRACTOR SHALL BE RESPONSIBLE FOR CONTACTING THE ENGINEER AND INSPECTOR PRIOR TO INSTALLATION. MULTIPLE SITE VISITS AND INSPECTIONS ARE REQUIRED TO BE
SCHEDULED BY THE CONTRACTOR WITH THE ENGINEER AND INSPECTOR DURING THE FOLLOWING STAGES OF THE DETENTION BASIN's CONSTRUCTION PROCESS:
1. PRE -CONSTRUCTION MEETING
2. INITIAL SITE PREPARATION (INCLUDING INSTALLATION OF PROJECT E&S CONTROLS)
3. EXCAVATION/GRADING (e.g., INTERIM/FINAL ELEVATIONS)
4. DETENTION BASIN INSTALLATION (e.g., INTERIM AND FINAL ELEVATIONS)
5. INSTALLATION OF THE EMBANKMENT & EMERGENCY SPILLWAY, THE RISER/PRIMARY SPILLWAY AND THE OUTLET STRUCTURE(s).
6. PLANTING PHASE (WITH AN EXPERIENCED LANDSCAPE ARCHITECT PRESENT/DIRECTING IF APPLICABLE)
7. FINAL INSPECTION (DEVELOP A PUNCH LIST FOR FACILITY ACCEPTANCE)
StormRaxTM
ROUND SERIES TRASH RACK
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DIMENSIONS IN INCHES
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Department of Community Development
Construction Record Drawings (As -built) for VSMP
The following is a list of information required on construction record drawings for
stormwater facilities (reference Water Protection Ordinance 17-422). It is preferable that the
construction record drawing be prepared by someone other than the designer. Please do not
provide design drawings as construction record drawings.
A. A signed and dated professional seal of the preparing engineer or surveyor.
B. The name and address of the firm and individual preparing the drawings on the title sheet.
C. The constructed location of all items associated with each facility, and the inspection records to verify
proper dimensions, materials and installation. The items include, but are not limited to the following:
1. Inspection Records and photographs for pipe trenches and bedding, including underdrains.
2. Video Pipe Inspection for an pipes which are not accessible or viewable.
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3. Updated Location with geo-coordinates of all facilities.
4. Verified Drainage Area maps for the drainage area treated, and for drainage to the facilities.
5. Current physical and topographic survey for all earthen structures. Ponds should include a survey
of the pond bottom. Surveys should verify pond volumes are per design. Corrections may be required
for alterations from the design.
6. Plants, location and type.
7. Plans and profiles for all culverts, Pipes, Risers, Weirs and Drainage Structures - Display the
installed type of drainage structures e size weirs materials inlets or end treatment s
g culvert/ i P P (b
inlet and outlet protection, alignment and invert elevations compared to design.
8. Computations: For significant deviations from design, provide sealed computations verifying that
the as -built condition is equivalent or better than design.
9. Ditch Lines - Display the constructed location of all ditch lines and channels, including typical
sections and linings.
10. Easements - Show all platted easements with dead book references labeled. Facilities and drainage
must be within platted easements. Provide copies of recorded documents.
11. Guardrail, fences or other safety provisions - Display the constructed location of all safety
provisions; fences, guardrail, including the type, length and applied end treatments, compared to
design.
12. Material layers - biofilter media, stone layers, sand layers, keyways and cores must be verified as to
material types and depths. Include inspection reports, boring or test pit reports and materials
certifications. Biofrlter media must be an approved state mix.
13. Access roads - show location of access roads, surface treatment, drainage, etc, as applicable.
14. Compaction reports are required to verify fill compaction in dams.
15. Manufacturers certifications for proprietary BMP's Certifying proper installation and15. Manufacturers certifications for proprietary proper installation and functioning.
• shown aub optional plate
HDPE structural pleetle. •nth
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Lureclured by Plastic
Ilion Inc. or equal
PLASTIC
SOLUTIONS P'O. Box 4386
kinchaaer t'A 22604
INC. 877-877-D727
rn.plenie-shitaiAm
EMBANKMENT NOTES:
AFTER AN INVESTIGATION OF THE SITE's SOILS, A SITE VISIT, AN
ANALYSIS OF THE SURVEYED TOPOGRAPHY AND AN EXAMINATION
OF VA DEQ APPENDIX A: EARTHEN EMBANKMENT, THE APPLICANT
HAS PROVIDED A COMPREHENSIVE EMBANKMENT DESIGN THAT
DOES NOT NEED A GEOTECHNICAL STUDY AT THIS TIME. SUCH IS THE
CASE DUE TO THE PRECAUTIONARY EMBANKMENT DESIGN
PROPOSED. A SUMMARY OF THE EMBANKMENT DESIGN
REQUIREMENTS ARE LISTED BELOW AND ON THIS SHEET,
MANDATING THE CONTRACTOR MEET THESE REQUIREMENTS AT A
MINIMUM.
THE EMBANKMENTS SHALL HAVE A COMPACTED CLAY CORE WITH A
CUTOFF TRENCH & BE IN ACCORDANCE WITH THE DETAILS SHOWN
ON IN THIS PLAN. BERMS AND SPILLWAYS SHALL BE STABILIZED
WITH EC-3 MATTING & THE REMAINING DISTURBED SLOPES SHALL
BE STABILIZED WITH EC-2 MATTING. ALL BERM FILL MATERIAL SHALL
CONSIST OF ML, CL, SC OR GC SOILS & BE FREE OF WOOD, ROOTS,
ROCKS OR ANY OTHER NON COMPACTING SOIL. COMPACTED FILL
SHALL BE PROCTOR MAXIMUM DRY DENSITY ASTM D698 AND HAVE
A MINIMUM OF 95% OF MAXIMUM DRY DENSITY AND 2% OF
OPTIMUM MOISTURE CONTENT. ALL FILL MATERIAL AND
CONSTRUCTION SHALL BE APPROVED BY AN ONSITE GEOTECHNICAL
ENGINEER PRESENT DURING THE CONSTRUCTION OF THE
EMBANKMENTS AND FILLARFAS.
15' WIDE VDOT CL. AI RIPRAP LINED
EMERGENCY SPILLWAY WITH FILTER
FABRIC UNDERLAYMENT, CREST
ELEV.=453.75'
46o 46o
455
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Volume
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452
253
95
453
798
595
454
1530
1739
454.5
2,091
455
-
455.67
Elevation
(ft)
Basin B
Contours, (sf)
Volume
(cf)
451
42
0
452
275
141
453
703
614
454
1,356
1,626
454.5
1,923
2,441
455
2,234
3,480
455.67
2725
5,138
Elevation
(ft)
Total Facility
Contours, (sf)
Volume
(cf)
451
45
0
452
528
242
453
1,501
1,215
454
2,886
3,372
454.5
4,014
5,089
455
2,234
6,629
455.67
2725
8,288
ORMWATER MANAGEMENT BASIN 'A' DETAIL, SCALE V=20'
PROPOSED BASIN W. BASIN 'A' I
INTERCONNECTED WITH BASIN'B'
SHARED ELEVATIONS AND OVERSI.
FREE FLOWING RISERS AND BARRI
TOP OF DAM ELEV.=454.75'
L
4 M M M
15' WIDE VDOT CL. AI RIPRAP LINED EMERGENCY SPILLWAY
WITH 4:1 SIDE SLOPES FILTER FABRIC UNDERLAYMENT &
CREST ELEV.=453.75'. SPILLWAY TO OUTFALL INTO
ROADSIDE DITCH & ENTER STRUCTURE EX-1.
TOP EVENT FLOTATION THE RISER BASE 'V
SHALL BE FIRMLY EMBEDDED 6" INTO AN 18" 0-
THICK REINFORCED CONCRETE FOUNDATION
THAT IS 8'x8', AND BURIED BELOW GROUND.
\1 / 2
PROPOSED BASIN FLOOR SHALL BE SLOPED TO
DRAIN TO THE RISER (0.50% MIN.), TYPICAL. I�
CONTRACTOR SHALL INSTALL A GENTLY SLOPED
CHANNEL AT THE BASIN's LOW POINT TO
ENSURE POSITIVE DRAINAGE THROUGHOUT, TYP.
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PROPOSED 048" STANDPIPE WITH TRASHRACK SHALL SERVE AS THE
RISER STRUCTURE (STR. 4). RISER TO INCLUDE (1) ONE 02.67" c
LOW -FLOW ORIFICE WITH AN INVERT ELEV.=451.00'. ALL ORIFICES
SHALL HAVE STATE -APPROVED TRASHRACKS. SEE THE DETAIL ON
' THIS SHEET, OR EQUIVALENT, FOR ADDITIONAL INFORMATION.
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STR. EX-2 "PROPOSED 14' WIDE CURB CUT \ ---
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STORMWATER MANAGEMENT BASIN 'B' DETAIL, SCALE V=20'
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SEE THIS SHEET FOR-
\`� / ASCALED PROFILE 2+00
:..� OF BASIN B-, TYR \
455.6/7/ E P @ 12' WIDE CURB r
//CUT= DAM OVERTOPPING I-
RELEASE POINT (1' BELOW TTE)
PROPOSED VARIABLE
/ WIDTH SV�M & ACCESSGI
/ \
T.
\ I
456 /
TOP OF DAM ELEV.-455.67' /
/
/
/ 4
+ 0
�m1
46 u \
STR:2
VDOT MH-i
TP=454-75-
INV IN: 446.28 TO 10
INV IN: 446.28 TO 4
INV OUT: 446.18 TO EX-1
oROPOSED BASIN 'A'
TOP OF DAM
ELEV.=454.75'
PROPOSED 048" STANDPIPE WITH TRASHRACK SHALL -
SERVE AS THE RISER STRUCTURE (STR. 4). RISER TO
INCLUDE (1) ONE 02.67" LOW -FLOW ORIFICE WITH AN
INVERT ELEV.=451.00'. ALL ORIFICES SHALL HAVE
TRASHRACKS. SEE THE DETAIL ON THIS SHEET, OR
EQUIVALENT, FOR ADDITIONAL INFORMATION.
STR:EX-i_
PROPOSED EXISTING INLET
GRADE TP=448.85
INV IN: 445.66 TO 2
EX INV IN: 44445 559
EX IN OUT: 56
24" HDPE 6g.79 LF @ 0.75%--'
SPILLWAY
CONTRACTOR SHA
PROPOSED STR. 1 INTO EXI
470
■
P.
s
6' \
I
PROPOSED 4' WIDE VDOT CL. Al RIPRAP
LINING & FILTER FABRIC UNDERLAYMENT
i \
--''ALONG-CHANNEL CENTERLINE
d I 111'1 1 �1 I3
PROPOSED 12' WIDE CURB CUT
WITH VDOT CL. Al RIPRAP LINING
II
& FILTER FABRIC UNDERLAYMENT
III II III V
3
/
MPROPOSED
BASINW. I
'A'
N mX
�
INTERCONNECTED WITH BASIN VIA
SHARED ELEVATIONS AND OVERSIZED
v N
AZ
J/
FREE FLOWING RISERS AND BARRELS.
y
I I
i
3
/
I
I
I
1
I
hI
\
\
I
Ailll IIIIII �
I I I 3
PROPOSED BASIN FLOOR SHALL BE SLOPED TO
DRAIN TO THE RISER (0.50% MIN.), TYPICAL. _
( CONTRACTOR SHALL INSTALL A GENTLY SLOPED
CHANNEL AT THE BASIN's LOW POINT TO \
ENSURE POSITIVE DRAINAGE THROUGHOUT, TYP.
III
TO PREVENT FLOTATION THE RISER BASE /
SHALL BE FIRMLY EMBEDDED 6" INTO AN Is"
THICK REINFORCED CONCRETE FOUNDATION I
THAT IS 8'x8', AND BURIED BELOW GROUND.
i PROPOSED 048" STANDPIPE WITH TRASHRACK SHALL
SERVE AS THE RISER STRUCTURE (STR. 8). RISER TO
INCLUDE (1) ONE 02.67" LOW -FLOW ORIFICE WITH AN
INVERT ELEV.=451.00'. RISER TOP=452.75' WITH A 024" G
INVERT OUT=448.45'. ALL ORIFICES SHALL HAVE
STATE -APPROVED TRASHRACKS. SEE THE DETAIL ON THIS
SHEET, OR EQUIVALENT, FOR ADDITIONAL INFORMATION.
470
PROPOSED BASIN 'B' T OF D.
It
O
coo
HAS
HAS A LOW P INT LOCATED AT
PROPO/S D CURB CUT,
465
OO LO
ELEV.=45 .67'(1' BELOW THE F
LD
PROPOSED BASI14
'A' TOP OF ID OO
'
71
= rn S
/
AM ELEV.=454.7
(WITH A 15' p
't
i
IDE VDOT CL. Al
RIPRAP LINED H- LD
�F LrI� 7
I
100-yr PEAK
EMERGENCY SPILLWAY
WITH �'t
O I - Q
10-yr PEAK
ILTER FABRIC U
DERLAYMENT Ll1 LD a
EXISTING/ r > H Z Z
2-yr PEAK 1N
460
&A CRESTELEV.=453.75')
nF
GRADE --
1-yrPEAK W
tw Z0
/
V)x�zz
455
455
h.
PROPOSED
GRADE
PROPOSED BF
DRAIN TO THI
450
-
-
CONTRACTOR
/
-
CHANNELS A
--
ENSURE POSI
PROPOSED 048"
24 HDPE
SHALL SERVE AS
�4" HDPE
47 LF
0.75%
RISER TO INCLUI
445
LF @ 0.75
96
ORIFICE WITH AI
118.73
TOP=452.75' WI
z4" HDPE
TO PREVENT FLOTATION
THE RISE
BASE SHALL BE
IRMLY
ALL ORIFICES SF
2
18. LF 2.110/f)
EMBEDDED 6" INFO
AN 18" THICK
REINFORCED CO
CRETE
THE DETAIL ON l
44
44
FOUNDATION THAT
IS 8'x8', AND
URIED BELOW G
OUND.
FOR ADDITIONAL
LL CONNECT
STING INLET a
s N
m
n
o
^ m
o
a
tI
a
a a
s
s
0+50 1+00 1+50 2+00 2+50 3+00
PROFILE SCALES STR 8 =EX
1"=50'(H)
aM
FE).
WSE=452.97
VSE-452.86
SE=452.79
SE=452.75
-CONTRACTOR SHALL INSTALL THE
EMBANKMENTS IN ACCORDANCE w/THE
DESIGNS SHOWN ON THIS SHEET, TYP.
,SINS' FLOORS SHALL BE SLOPED TO
RISERS (0.50% MIN.), TYPICAL.
SHALL INSTALL GENTLY SLOPED
f THE BASINS' LOW POINTS TO
TIVE DRAINAGE THROUGHOUT, TYP.
STANDPIPE WITH TRASHRACK
THE RISER STRUCTURE 8 STR. .
t )
)E (1) ONE 02.67" LOW -FLOW
J INVERT ELEV.=451.00'. RISER
rH A 024" INVERT OUT=448.48'.
ALL HAVE TRASHRACKS. SEE
-HIS SHEET, OR EQUIVALENT,
.INFORMATION.
SCOTT/R. 0$LLIN:
Lic. No. 035791
'A 9/21/20
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JOB NO.
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SCALE
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SHEET NO.
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