HomeMy WebLinkAboutWPO201800013 Plan - VSMP 2022-02-28GENERAL NOTES
OWNERS:
TMP 04600-oo-oo-oz8Ao
HAUGH, CHARLES R & ELIZABETH ANN OG
2575 SEMINOLE TRAIL
CHARLOTTESVILLE, VA 22901
TMP 04600-oo-oo-oi8E2
HAUGH, CHARLES R & OGLESBY, JR T
435 PARK STREET
CHARLOTTESVILLE, VA 22902
TMP 04600-oo-oo-oigBg
BROOKHILL MASTER ASSOCIATION INC
455 SECOND STREET
CHARLOTTESVILLE, VA 22902
TMP o4600-oo-oo-oigB8
CROCKETT CORPORATION
435 PARK STREET
CHARLOTTESVILLE, VA 22901
DEVELOPER:
RIVERBEND DEVELOPMENT, INC.
455 SECOND STREET SE, SUITE 2w.
CHARLOTTESVILLE, VA 22902
ENGINEER:
COLLINS ENGINEERING
zoo GARRETT ST, SUITE K
CHARLOTTESVILLE, VA 22902
TAX MAP:
04600-oo-oo-oi8Ao
D.B.1333, PG. 450
29.92 ACRES
04600-oo-oo-m8E2
D.B. 5492, PG.476
5.45 ACRES
TMP 04600-oo-oo-w.969
D.B. 5512, PG.303
50.72 ACRES
TMP 04600-oo-oo-oi968
D.B. 5346, PG. 256
ng.69 ACRES
ZONING:
NEIGHBORHOOD MODEL DEVELOPMENT DISTRICT(ZMA2o280002i WITH
PROFFERS - APPROVED BY THE BOARD OF SUPERVISORS ON JULY 17, 2019)
THE CODE OF DEVELOPMENT AND AND APPLICATION PLAN FROM
ZMA201500007 ARE STILL VALID AND STILL APPLY TO THE BROOKHILL
PROJECT.
ENTRANCE CORRIDOR OVERLAY (EC), AIRPORT IMPACT OVERLAY (AIA),
MANAGED AND PRESERVED SLOPES OVERLAY DISTRICT, AND FLOOD
HAZARD OVERLAY (FH) ZONING DISTRICT.
TOTAL PROJECT AREA:
04600-oo-oo-m8Ao - 29.92 AC. (PORTION OF)
04600-oo-oo-oi8E2 - S-45 AC. (PORTION OF)
04600-oo-oo-oigBg - 50.72 AC. (PORTION OF)
04600-oo-oo-oigB8 -=9.6g AC. (PORTION OF)
TOTAL - 205.78 AC. (PORTION OF)
PROPOSED USE:
IMPROVEMENTS TO THE EXISTING POLO GROUNDS ROAD
WATERSHED:
SOUTH FORK RIVANNA RIVER
AGRICULTURAL/FORESTAL
DISTRICT: NONE
TOPOGRAPHY & SURVEY:
TOPOGRAPHY WAS COMPILED FROM SURVEY BY LINCOLN
SURVEYING AND BELL LAND SURVEYS, JANUARY 2015.
BOUNDARY INFORMATION WAS COMPILED BY LINCOLN
SURVEYING ON MARCH 7, 201.5. FIELD VERIFIED BY COLLINS
ENGINEERING IN JUNE OF 2021.
DATUM:
NAVD 1988
EXISTING VEGETATION:
EXISTING 50' PUBLIC R/W ALONG POLO GROUNDS ROAD
PRESERVED/MANAGED SLOPES: PRESERVED AND MANAGED STEEP SLOPES ARE SHOWN WITHIN THE
LIMITS OF THE PROPERTY. SEE EXISTING CONDITIONS SHEET FOR
LOCATIONS.
BURIAL SITES:
NO CEMETERIES WERE FOUND DURING FIELD INVESTIGATION WITHIN THE
PROJECT AREA FOR THIS ROAD IMPROVEMENTS PLAN.
FLOODPLAIN:
THERE IS A FLOODPLAIN LOCATED ON THIS SITE. FEMA MAP ID
52003CO28oD DATED FEBRUARY 4, 2005. IN ADDITION, A DAM BREACH
INUNDATION ZONE EXISTS ON THE PROPERTY FOR THE SOUTH RIVANNA
DAM, WHICH IS A FEDERAL DAM LOCATED UPSTREAM OFTHE PROPERTY.
RETAINING WALLS:
NO RETAINING WALLS ARE PROPOSED WITH THIS PROJECT.
UTILITIES:
ALBEMARLE COUNTY WATER & SEWER
BROOKHILL ROAD IMPROVEMENT
VSMP PLAN AMENDMENT #2
WP0201800013
RIVANNA MAGISTERIAL DISTRICT
ALBEMARLE COUNTY, VIRGINIA
SHEET LAYOUT
SCALE: 111 = 2001
NOTE: VSMP PLAN AMENDMENT #i HAS BEEN WITHDRAWN
AND SHOULD BE DISREGARDED FROM USE.
SI
POLO
ROAD
VICINITY MAP:
SCALE: 1" = 2000'
Sheet List Table
Sheet Number
Sheet Title
i
COVER
2
EXISTING CONDITIONS AND DEMOLITION PLAN
3
EXISTING CONDITIONS AND DEMOLITION PLAN
4
EROSION & SEDIMENT CONTROL NARRATIVE, NOTES, & DETAILS
5
PHASE I EROSION & SEDIMENT CONTROL PLAN
6
PHASE I EROSION & SEDIMENT CONTROL PLAN
7
PHASE II EROSION & SEDIMENT CONTROL PLAN
8
PHASE II EROSION & SEDIMENT CONTROL PLAN
9
STORMWATER MANAGEMENT GENERAL NOTES & DETAILS
9
TOTAL SHEETS
1IRGINIA EROSION & SEDIMENT CON
EROSION CONTROL HANDBOOK SPECIFICATION NUMBER 7R0L
CE MUSM CONSTRUCTION ENTRANCE 3.02
CR
CR
CONSTRUCTION ROAD
3.03
STABILIZATION
SF
x x x
SILT FENCE
3.05
ST
SEDIMENT TRAP
3.13
SB
SEDIMENT BASIN
3.14
OP
OUTLET PROTECTION
3.18
RR
RIPRAP
3.19
CD
'
CHECK DAM
3.20
TS
TS
TEMPORARY SEEDING
3.31
PS
PS
PERMANENT SEEDING
3.32
OTREE
PROTECTION
3.38
DC--a—
DC
DUST CONTROL
3.39
LEGEND
EDGE OF PAVEMENT
CURB
PROPOSED ASPHALT PAVEMENT
[---------------- ----------- EXISTING VEGETATIVE/LANDSCAPE BUFFER
----------------
GREEN WAY BUFFER
----------------
PROPOSED EASEMENT
0
DROP INLET & STRUCTURE NO.
DRAINAGE PIPE
®
BENCH MARK
VDOT STANDARD STOP SIGN
F
PROPOSED HANDICAP PARKING SPACE
«
PROPOSED ASPHALT STRIPING
--------------- 200 ---------------
EXISTING CONTOUR
zoo
PROPOSED CONTOUR
506.71 TC
506.21 EP
PROPOSED SPOT ELEVATION
TBC DENOTES TOP/BACK OF CURB
T/B DENOTES TOP OF BOX
506.71 Tw
506.21 ew
PROPOSED SPOT ELEVATION
TW DENOTES TOP OF WALL
BW DENOTES BOTTOM OF WALL
PRESERVED STEEP SLOPES
MANAGED STEEP SLOPES
PEDESTRIAN AND VEHICLE ACCESS
PROPOSED CONCRETE
PROPOSED & EXISTING GUARDRAIL
PROPOSED FENCE
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w ~ - _-- \ F
w
DB 3977, PG 520 \ \ \ — \ o w
EXISTING zoo -YEAR FLOODPLAIN (TYP.) _ — a m
N— — - - _ JOB NO.
182150
SCALE
\ 1 „30'
\ \ \ \ \ \ \ — \ \ \ \ SHEET NO.
v �
\ \ \ =
3.07
EROSION & SEDIMENT CONTROL MEASURES:
STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE IN ACCORDANCE WITH EROSION CONTROL NOTES:
THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. STRUCTURAL PRACTICES USED
IN THIS SECTION CONSIST OF THE FOLLOWING:
1.
THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE
PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND
3.01 SAFETY FENCE
DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION.
A PROTECTIVE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CONTROL MEASURE. TO
2.
ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED
PROHIBIT THE UNDESIRABLE USE OF AN EROSION CONTROL MEASURE BY THE PUBLIC. APPLICABLE
ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND
TO ANY CONTROL MEASURE OR SERIES OF MEASURES WHICH CAN BE CONSIDERED UNSAFE BY
SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND
VIRTUE OF POTENTIAL ACCESS BY THE PUBLIC.
SEDIMENT CONTROL REGULATIONS
3.02 CONSTRUCTION ENTRANCE.*
J.
ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE
A STABILIZED CONSTRUCTION ENTRANCE LOCATED AT POINTS OF VEHICULAR INGRESS AND EGRESS
FIRST STEP IN CLEARING.
ON A CONSTRUCTION SITE TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO PAVED PUBLIC
4.
A COPY OF 774E APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON
ROADS BY MOTOR VEHICLES OR RUNOFF. CONSTRUCTION ENTRANCES SHALL BE INSTALLED AS
7HE SITE AT ALL TIMES.
SHOWN ON THE PLANS TO REDUCE THE AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS.
5.
PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON
7HESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF-S17E BORROW OR WASTE AREAS), 7HE
3.03 CONSTRUCTION ROAD STABILIZATION:
CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR
THE TEMPORARY STABILIZATION OF ACCESS ROADS SUBDIVISION ROADS PARKING AREAS AND
REVIEW AND APPROVAL BY 774E PLAN APPROVING AUTHORITY.
OTHER SI7F VEHICLE TRANSPORTATION ROUTES K17H STONE IMMEDIATELY AFTER GRADING. TO
6.
THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL
REDUCE EROSION OF TEMPORARY ROADBEDS CONSTRUCTION TRAFFIC DURING WET WEATHER AND
REDUCE EROSION AND SUBSEQUENT REGRADING OF PERMANENT ROADBEDS BETWEEN THE TIME
MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTA7ON AS DETERMINED BY THE PLAN
OF INITIAL GRADING AND FINAL STABILIZATION. USE WHEREVER STONE -BASE ROADS OR PARKING
O
APPROVING AUTHORITY.
AREAS ARE CONSTRUCTED, WHETHER PERMANENT OR TEMPORARY, FOR USE BY CONSMUCPON
7.
ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL
TRAFFIC.
TIMES DURING LAND DISTURBING ACTIVITIES AND DURING S17F DEVELOPMENT UNTIL FINAL
STABILIZATION IS ACHIEVED.
3.05 SILT FENCE & SUPER SILT FENCE,
8.
DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING
A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYN7H£77C FILTER FABRIC STRETCHED ACROSS
DEVICE.
AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED, TO INTERCEPT AND DETAIN SMALL
9.
THE CONTRACTOR SHALL INSPECT ALL EROSION CON7R0L MEASURES PERIODICALLY AND AFTER
AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION OPERA 77ONS IN ORDER TO
EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO
PREVENT SEDIMENT FROM LEAVING THE SITE AND TO DECREASE THE VELOCITY OF SHEET FLOWS
MAINTAIN 7HE EFFEC7VENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY.
AND LOW -TO -MODERATE LEVEL CHANNEL FLOWS. THE SILT FENCE BARRIERS SHALL BE INSTALLED
10.
ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED DESIGNATED BORROW AREA.
DOWN SLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF FROM SHEET
FLOW AS INDICATED. THEY SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND
11.
ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL SHALL BE
MAINTAINED IN ACCORDANCE WITH 774E VIRGINIA EROSION &SEDIMENT CONTROL HANDBOOK
INERT MATERIALS ONLY FREE OF ROOTS STUMPS WOOD RUBBISH AND 07HER DEBRIS.
(VESCH).
12.
BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER ZONING
ORDINANCE SECTION 5.1.28.
3.07 STORM DRAIN INLET PROTECTION:
13.
ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301 OF THE
A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM DRAIN DROP INLET OR
CODE OF ALBEMARL£.
CURB INLET. TO PREVENT SEDIMENT FROM ENTERING STORM DRAINAGE SYSTEMS PRIOR TO
14.
BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT SHALL BE
PERMANENT STABILIZA7ON OF THE DISTURBED AREA. INLET PROTECTION APPLIES WHERE STORM
LIM17ED TO THE HOURS OF 7 00 AM TO 9: 00 PM.
DRAIN INLETS ARE TO BE MADE OPERATIONAL BEFORE PERMANENT .STABILIZATION OF THE
15.
BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAT MAINTAINS
CORRESPONDING DISTURBED DRAINAGE AREA.
LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO
3.09 TEMPORARY DIVERSION DIKE.,
ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY PUBLIC STREET BECAUSE OF SLIDES,
A TEMPORARY RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING
SINKING OR COLLAPSE.
DISTURBED AREA. TO DIVERT STORM RUNOFF FROM UPSLOPE DRAINAGE AREAS AWAY FROM
16.
THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR CONVERT TO
UNPROTECTED DISTURBED AREAS AND SLOPES TO A STABILIZED OUTLET. TO DIVERT
PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION CONTROL
SEDIMENT -LADEN RUNOFF FROM A DISTURBED AREA TO A SEDIMENT -TRAPPING FACILITY SUCH AS
MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE SALE OF ANY LOT, UNIT, BUILDING OR
A SEDIMENT TRAP OR SEDIMENT BASIN. USE WHEREVER STORMWATER RUNOFF MUST BE
OTHER PORT70N OF THE PROPERTY.
TEMPORARILY DIVERTED TO PR07ECT DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT ON SITE
17•
TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO BE
DURING CONSTRUCTION THESE STRUCTURES GENERALLY HAVE A LIFE EXPECTANCY OF 18 MONTHS
AT 75 LBS/ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO CONSIST A 50/50 MIX
OR LESS WHICH CAN BE PROLONGED WITH PROPER MAINTENANCE.
OF ANNUAL RYGRASS AND CEREAL WINTER RYE, OR IN MARCH AND APRIL TO CONSIST OF
3.11 TEMPORARY RIGHT-OF-WAY DIVERSION.,
ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET. STRAW MULCH IS TO
A RIDGE OF COMPACTED SOIL OR LOOSE ROCK OR GRAVEL CONSTRUCTED ACROSS DISTURBED
BE APPLIED AT 80LBS11OOSF. ALTERNA77VES ARE SUBJECT TO APPROVAL BY THE EROSION
RIGHTS -OF -WAY AND SIMILAR SLOPING AREAS. TO SHORTEN THE FLOW LENGTH WITHIN A SLOPING
CONTROL INSPECTOR.
RIGHT-OF-WAY, THEREBY REDUCING 7HE EROSION P07EN77AL BY DIVERTING STORM RUNOFF TO A
18.
PERMANENT STABILIZA 77ON SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND MULCH.
STABILIZED OUTLET GENERALLY, EARTHEN DIVERSIONS ARE APPLICABLE WHERE THERE WILL BE
AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90LBS/1000SF, INCORPORATED INTO
LITTLE OR NO CONSTRUCTION TRAFFIC WITHIN THE RIGHT-OF-WAY. GRAVEL STRUCTURES ARE
THE TOP 4-6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT 1000LBS/ACRE AND CONSIST
MORE APPLICABLE TO ROADS AND OTHER RIGHTS -OF -WAY WHICH ACCOMMODATE VEHICULAR
TRAFFIC.
OF A 10-20-10 NUTRIENT MIX PERMANENT SEEDING SHALL BE APPLIED AT 180LBS/ACRE AND
CONSIST OF 957 KENTUCKY 31 OR TALL FESCUE AND 0-5% PERENNIAL RYGRASS OR KENTUCKY
3.13 TEMPORARY SEDIMENT TRAP:
BLUEGRASS. STRAW MULCH IS TO BE APPLIED AT 80LBSIIOOSF. ALTERNATIVES ARE SUBJECT TO
A TEMPORARY PONDING AREA FORMED BY CONSTRUC7NG AN EARTHEN EMBANKMENT K17H A STONE
APPROVAL BY THE EROSION CONTROL INSPECTOR.
OUTLET. TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED AREAS LONG ENOUGH TO
19.
MAINTENANCE.- ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH RAINFALL. ANY
ALLOW THE MAJORITY OF 774E SEDIMENT TO SETTLE OUT. USE BELOW DISTURBED AREAS WHERE
DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIRED IMMEDIATELY. SILT TRAPS
THE TOTAL CONTRIBUTING DRAINAGE AREA /S LESS THAN 3 ACRES WHERE THE SEDIMENT TRAP
ARE TO BE CLEANED WHEN 5OX OF THE WET STORAGE VOLUME IS FILLED WITH SEDIMENT. ALL
WILL BE USED NO LONGER THAN 18 MONTHS, AND IT MAY BE CONSTRUCTED EITHER
INDEPENDENTLY OR IN CONJUNCTION WITH A TEMPORARY DIVERSION DIKE
SEEDED AREAS ARE TO BE RESEEDED WHEN NECESSARY TO ACHIEVE A GOOD STAND OF GRASS.
SILT FENCE AND DIVERSION DYKES WHICH ARE COLLEC77NG SEDIMENT TO HALF THEIR HEIGHT
J.14 TEMPORARY SEDIMENT BASIN:
MUST BE CLEANED AND REPAIRED IMMEDIATELY.
A TEMPORARY BARRIER OR DAM WITH A CONTROLLED STORMWATER RELEASE STRUCTURE FORMED
20.
ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED WITHIN 30
BY CONSTRUCTING AN EMBANKMENT OF COMPACTED SOIL ACROSS A DRAINAGEWAY. TO DETAIL
DAYS OF FINAL S17E STABILIZATION, WHEN MEASURES ARE NO LONGER NEEDED, SUBJECT TO
SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS IN "WET" AND `DRY" STORAGE LONG ENOUGH
APPROVAL BY THE EROSION CONTROL INSPECTOR.
FOR THE MAJORITY OF THE SEDIMENT TO SETTLE OUT. APPLIES BELOW DISTURBED AREAS WHERE
21.
774E E&S INSPECTOR HAS THE AUTHORITY TO ADD OR DELETE f&S CONTROLS AS NECESSARY IN
THE TOTAL CONTRIBUTING DRAINAGE AREA IS EQUAL TO OR GREATER THAN 7HREE ACRES THERE
THE FIELD AS SITE CONDITIONS CHANGE. IN ADDITION, NO SEDIMENT BASIN OR TRAP CAN BE
MUST BE SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY FOR THE CONSTRUCTION OF A
REMOVED WITHOUT WRITTEN AUTHORIZA 770N.
TEMPORARY IMPOUNDMENT
3.18 OUTLET PROTECTION:
STRUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPATING DEVICES PLACED AT
THE OUTLETS OF PIPES OR PAVED CHANNEL SECTIONS TO PREVENT SCOUR AT STORMWATER
OUTLETS, TO PR07ECT THE OUTLET STRUCTURE, AND TO MINIMIZE THE P07EN77AL FOR
DOWNSTREAM EROSION BY REDUCING THE VELOCITY AND ENERGY OF CONCENTRATED STORMWATER
FLOWS APPLICABLE TO THE OUTLETS OF ALL PIPES AND ENGINEERED CHANNEL SECTIONS.
3.19 RIPRAP: TABLE 3.39-A
A PERMANENT EROSION -RESISTANT GROUND COVER OF LARGE LOOSE ANGULAR STONE K17H
FILTER FABRIC O GRANULARUNDERLINING. T PR07E T T1/ SOIL FROM THE EROSIVE FORCES F ADHESIVES USED FOR DUST CONTROL
TE B C RG L 0 C E OL EEOSVE OCESO
CONCENTRATED RUNOFF, SLOW THE VELOCITY OF CONCENTRATED RUNOFF WHILE ENHANCING THE
P07EN77AL FOR INFILTRATION AND TO STABILIZE SLOPES WITH SEEPAGE PROBLEMS AND / OR
Water Application
NON -COHESIVE SOILS USE WHEREVER SOIL AND WRIER INTERFACE AND THE SOIL CONDITIONS
WATER TURBULENCE AND VELOCITY, EXPECTED VEGETA7VE COVER, ETC., ARE SUCH THAT THE SOIL Dilution Type of Rate
MAY ERODE UNDER THE DESIGN FLOW CONDITIONS Adhesive (Adhesive: Waterl Nozzle Gallons/Acre
3.31 TEMPORARY SEEDING.,
THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING WI774
APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS. TO REDUCE EROSION AND SEDIMENTATION BY
STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL 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 PR07ECT70N TO BARE SOILS EXPOSED DURING CONSTRUCTION
UNTIL PERMANENT VEGETATION OR 07HER EROSION CONTROL MEASURES CAN BE ESTABLISHED.
3.32 PERMANENT STABILIZATION:
THE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PLAN77NG SEED.
TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS. TO PERMANENTLY
STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO S17E CONDITIONS,
AND ALLOWS SELECTION OF THE MOST APPROPRIA IF PLANT MATERIALS TO IMPROVE WILDLIFE
HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF CONSTRUCTION ACTIVITIES, ALL
AREAS WILL RECEIVE A PERMANENT VEGETA7VE COVER.
3.38 TREE PRESERVATION AND PROTECTION:
PROTECT70N OF DESIRABLE TREES FROM MECHANICAL OR 07HER INJURY DURING LAND DISTURBING
AND CONSTRUCTION ACTIVITY. TO ENSURE 774E SURVIVAL OF DESIRABLE TREES WHERE THEY WILL
BE EFFECTIVE FOR EROSION AND SEDIMENT CONTROL, WATERSHED PROTECTION, LANDSCAPE Source: Va. DSWC
BEAUTIFICATION, DUST AND POLLUTION CONTROL, NOISE REDUCTION, SHADE AND 0774ER
ENVIRONMENTAL BENEFITS WHILE THE LAND IS BEING CONVERTED FROM FOREST TO URBAN -TYPE
USES. APPLIES IN TREE -INHABITED AREAS SUBJECT TO LAND DISTURBING ACTIVITIES.
uunl uunlrcuLI 1992
REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOLITION AND
CONSTRUCTION ACTIVITIES. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED
SOIL SURFACES AND REDUCE 774E PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT
HEALTH HAZARDS, TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. DUST CONTROL
MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF DUST DURING
CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH THE VESCH.
TABLE 3.31•B
ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS
"QUICK REFERENCE FOR ALL REGIONS"
Rate
Planting Dates Spccies re
Sept. 1 - Feb. 15 50/50 Mix of
Annual Ryegrass
(Lolium multi-tlorum)
& 50. 100
Cereal (Winter) Rye
(Secale cereale)
Feb. 16 - Apr. 30 Annual Ryegrass 60 - 100
(Lolium multi-florum)
May 1 - Aug 31 German Millet 50
(Setaria italics)
Source: Va DSWC
1. SET POSTS AND EXCAVATE A 4 X4"
TRENCH UPSLOPE ALONG THE LINE
OF POSTS.
e �I
FLOW
4
J. ATTACH THE FILTER FABRIC TO
THE WIRE FENCE AND EXTEND
lT INTO THE TRENCH.
2. STAPLE WIRE FENCING TO
THE POSTS.
4. BACKFILL AND COMPACT THE
EXCAVATED SOIL.
i � r
1/
�IlTill
FLOW
EXTENSION OF FABRIC AND WIRE INTO
SUPER SILT FENC�
ssF (WITH WIRE -BACK
NO SCALE
THE TRENCH.
. D5-
EROSION CONTROL NOTES & NARRATIVE: 1992
DESCRIPTION OF EROSION &SEDIMENT
CONTROL
MEASURES:
PROJECT DESCRIPTION:
THE PURPOSE OF THIS LAND DISTURBANCE ACTIVITY IS TO CONSTRUCT THE PHASE 2 POLO GROUNDS ROAD IMPROVEMENTS.
EROSION AND SEDIMENT CONTROL MEASURES
THE ORIGINAL VSMP PLAN (WPO201800013) WAS APPROVED WITH A PROPOSED 18.94 ac. OF TOTAL LAND DISTURBANCE. THE
IT IS ANTICIPATED TO USE CONSTRUCTION ENTRANCES, RIPRAP, OUTLET PROTECTION,
PHASE 2 POLO GROUNDS ROAD IMPROVEMENTS PROPOSE 4.25 ac. OF LAND DISTURBANCE AND IS COVERED UNDER THE
RIGHT-OF-WAY DIVERSIONS, SILT FENCES, INLET PROTECTION, CHECK DAMS, AND STREAM
ORIGINAL OVERALL APPROVED LAND DISTURBANCE AREA. THE PROJECT WILL BEGIN ITS CONSTRUCTION WITH THE PROPOSED
PUMP-AROUNDS TO CONTROL SURFACE DRAINAGE. TEMPORARY SEEDING WILL BE USED
ESC MEASURES FOLLOWING PLAN APPROVAL, WHICH IS ANTICIPATED TO BE IN THE WINTER OF 2021-2022. THE WORK IS
IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE ACTIVITIES. TEMPORARY STOCKPILE
AN77CIPATED TO BE COMPLETED WITHIN 12 MONTHS AND TO CONCLUDE IN THE FALL OF 2022.
AREAS SHALL BE DISCUSSED WITH THE ESC INSPECTOR AHEAD OF 77ME & WILL NEED TO
EXISTING SITE CONDITIONS..
BE MAINTAINED AND STORED FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL BE ON
THIS PLAN PROPOSES IMPROVEMENTS TO AN EXIS77NG ROADWAY, POLO GROUNDS ROAD, LOCATED IN ALBEMARL£ COUNTY OFF
ROUTE 29 - TRAIL.
SITE AND SHALL BE STABILIZED WITH A TEMPORARY VEGETA7VE COVER. PERMANENT
ADJACENT AREA
AREAS
SEEDING WILL BE PERFORMED FOR ALL AREAS WHICH WILL NO LONGER BE EXCAVATED
THIS SECTION OF POLO GROUNDS ROAD IS BORDERED TO 774E SOUTH BY VACANT PARCELS AND THE RIVANNA RIVER. TO THE
AND WHERE CONSTRUCTION ACTIVITIES HAVE CEASED. PERMANENT SEEDING SHALL ALSO
NORTH EXISTS THE BROOKHILL DEVELOPMENT. THE MONTGOMERY RIDGE DEVELOPMENT EXISTS TO THE EAST AND CONNECTION
BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR A YEAR OR
TO ROUTE 29 - SEMINOLE TRAIL EXISTS TO THE WEST.
MORE SELECTION OF SEED MIXTURE WILL DEPEND ON THE 77ME OF YEAR APPLIED.
OFFS17E LAND DISTURBANCE.'
TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT
OFFSITE LAND DISTURBANCE /S LIMITED TO PUBLIC RIGHT-OF-WAY AND EASEMENTS.
DORMANT FOR MORE THAN SEVEN DAYS. THESE AREAS SHALL BE SEEDED WITH FAST
SOILS.•
GERMINATING VEGETATION IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS. SELECTION
SEE SOIL DESCRIPTIONS ON THIS PAGE, AND THE PHASE I ESC PLAN FOR THE BOUNDARIES.
OF SEED MIXTURE WILL DEPEND ON 774E 77ME OF YEAR APPLIED. 774ESE MEASURES, AND
CRITICAL AREAS:
774E FOLLOWING, ARE PROPOSED.
EXISTING STEEP SLOPES AND MUL77PLE S7REAM CROSSINGS S7REAM AREA LOCATED ALONG THIS PORTION OF POLO GROUNDS
ROAD. 7HESE AREAS ARE CONSIDERED TO BE CRI77CAL AREAS. THE CONTRACTOR SHALL GIVE EX7RA ATTENTION AND CAUTION
IN AND AROUND THESE AREAS TO ENSURE SEDIMENT IS NOT DEPOS17ED ON THEM OUTSIDE 7HE SCOPE OF 7HE PROPOSED
3.01 SAFETY FENCE- TO DISCOURAGE ACCESS TO A PAR77CULAR AREA.
PLAN. TREE PR07ECT70N FENCING, SILT FENCING, DIVERSIONS AND SEDIMENT 7RAPPING DEVICES SHALL ALSO BE INSTALLED AS
3.02 CONSTRUCTION ENTRANCE - TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO
A FIRST STEP IN LAND DISTURBANCE TO ENSURE THESE CRI77CAL AREAS ARE MAINTAINED.
PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF.
SEQUENCE OF CONS77?UC770N.
N R T l - TTEMPORARY
3.03 CO S7RUCTION ROAD S ABIL ZATION 0 REDUCE THE EROSION OF
1. CONTRACTOR SHALL NOTIFY THE ALBEMARL£ COUNTY COMMUNITY DEVELOPMENT ENGINEERING DEPARTMENT TO
ROADBEDS BY CONSTRUCTION TRAFFIC AND TO REDUCE THE EROSION AND SUBSEQUENT
SCHEDULE A PRE -CONSTRUCTION MEETING.
REGRADING OF PERMANENT ROADBEDS BETWEEN THE TIME OF 1N177AL GRADING AND FINAL
2• PRIOR TO DISTURBANCES, 7HE LIMITS OF DISTURBANCE SHALL BE FLAGGED AND THE TREE PROTECTION FENCING SHALL
BE INSTALLED. ADDITIONALLY 7HE PRESERVED SLOPES & GREENWAY SHALL BE FLAGGED OR MARKED BEFORE LAND
STABILIZATION. CONSTRUCTION ROAD STABILIZATION WILL BE APPLIED TO THE
DISTURBANCE CAN START.
CONTRACTOR PARKING & STAGING AREAS AS NEEDED.
J. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING 7HE CONS7RUC77ON PROCESS WITHOUT THE APPROVAL FROM
3.05 SILT FENCE- SILT FENCE IS PROPOSED, WHERE SHOWN ON THE PLANS.
THE INSPECTOR ON 7HE PROJECT.
3.07 STORM DRAIN INLET PROTECTION- INLET PR07ECT70N IS PROPOSED ON INLETS,
4. INSTALLAT70N OF THE PROPOSED CONSTRUCTION ENTRANCES SHALL OCCUR NEXT. THE CONTRACTOR SHALL MODIFY 7HE
WHERE SHOWN ON THE PLANS.
EXISTING GRAVEL ENTRANCES ALONG POLO GROUNDS ROAD TO MEET THE MINIMUM CONSTRUCTION ENTRANCE
3.11 RIGHT OF WAY DIVERSION- A RIGHT OF WAY DIVERSION IS PROPOSED AT THE
REQUIREMENTS SHOWN ON THE THE DETAIL ON THIS SHEET. THE CONTRACTOR SHALL ALSO PROVIDE CONSTRUCTION ROAD
STABILIZATION TO THE SURROUNDING AREA ENVISIONED FOR THE CONTRACTOR PARKING & STAGING AREA, AS WELL AS
CONSTRUCTION ENTRANCE.
174E GRAVEL DRIVE SHOWN CONNECTION THE CONSTRUCTION ENTRANCES. CONTRACTOR SHALL ENSURE THE
3.18 OUTLET PROTECTION -OUTLET PROTEC7ON IS PROPOSED AT THE OUTLET OF PIPES
CONSTRUCTION ENTRANCES AND PARKING AREA ARE PROPERLY GRADED AND DRAIN TO AN ADEQUATE E&S MEASURE. THE
3.19 RIPRAP- RIPRAP IS PROPOSED AT THE OUTLET OF PIPES.
CONTRACTOR SHALL INSTALL A SMALL NEARBY SEDIMENT TRAP AT EACH CONSTRUCTION ENTRANCE FOR VEHICULAR
3.20 ROCK CHECK DAMS - CHECK DAMS PROPOSED ALONG EXISTING DITCHLINES.
FLASH WASH OFF, WITH A PAVED RIGHT-OF-WAY DIVERSION DISCHARGING INTO IT. CONSTRUCTION ENTRANCES ARE TO BE
3.32 PERMANENT SEEDING -PERMANENT SEEDING IS REQUIRED AND PROPOSED WITH THIS
INSTALLED WHERE CONSTRUCTION VEHICLE ROUTES INTERSECT PAVED PUBLIC ROADS, PROVISIONS SHALL BE MADE TO
PLAN.
MINIMIZE THE TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS
338 TREE PRESERVATION AND PROTECTION TREE PROTECTION lS PROPOSED WI77H THIS
TRANSPORTED ONTO A PUBLIC ROAD SURFACE, 7HE ROAD SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY.
GRAVEL .. INLET SEDIMENT
•
FILTER
•♦��
y ice � ii1� �••�n
it No ,
GRAVEL FILTER• •12•_ti
RUNOFF WATER WIRE MESH
FILTERED WATER
e :
a
I -
- q a e a _-
SEDIMENT
CONCRETE GUTTER
2"
CURB INLET
SPECIFIC APPLICATION
THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS
WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO CAUSE
INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND UNPROTECTED
AREAS.
* GRAVEL SHALL BE VDOT g3• p357 OR 5 COARSE AGGREGATE.
PLAN. SEE THE ESC PLAN FOR 174E REQUIRED LOCATIONS SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTING TO A SEDIMENT
CONTROL DISPOSAL AREA. S7REET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED /N THIS MANNER. Source: Va. DSWC Plate 3.07-6
3.39 DUST CONTROL -DUST CON7ROL IS REQUIRED AND PROPOSED WITH 7HIS PLAN. 5. THE INITIAL ESC CONSTRUCTION MEASURES, AS SHOWN ON 7HE PHASE I EROSION & SEDIMENT CONTROL PLAN, SHALL BE
INSTALLED NEXT. THE CONTRACTOR SHALL BEGIN BY INSTALLING THE SILT FENCE, CULVERT INLET PROTECTION, AND ROCK
CHECK DAMS AS SHOWN ON 7HE PHASE I ESC PLAN. PERIMETER MEASURES INTENDED TO 7RAP SEDIMENT SHALL BE
CONSTRUCTED AS A FIRST STEP NIT/ ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE
MAINTENANCE.' UPSLOPE LAND DISTURBANCE TAKES PLACE.
6. ONCE THE PERIMETER EROSION CONTROL MEASURES HAVE BEEN INSTALLED, AND THE COUNTY INSPECTOR HAS APPROVED
IN GENERAL, DURING CONSTRUCTION THE RLD OR CON7RACTOR ON -SITE WILL CHECK ALL THESE MEASURES AND THE FIELD CONDITIONS, THE CONTRACTOR MAY INSTALL THE PUMP -AROUND SYSTEM, DEMOLISH
EROSION AND SEDIMENT CONTROL MEASURES DAILY AND AFTER EACH SIGNIFICANT THE EXISTING ROAD CULVERTS, AND INSTALL 7HE PROPOSED ROAD DRAINAGE SYSTEMS AS SHOWN ON THE PHASE I ESC
RAINFALL. MONITORING REPORTS WILL BE REQUIRED FROM THE RLD IF NEEDED. SPECIFIC PLANS. SEE THE ESC PLAN SHEETS FOR 7HE PUMP -AROUND CONSTRUCTION SEQUENCING.
ATTENTION WILL BE GIVEN TO THE FOLLOWING ITEMS., 7. AFTER THE NEW ROAD CULVERTS ARE INSTALLED AND OPERATIONAL, AND 7HE ESC INSPECTOR HAS GIVEN APPROVAL, 7HE
a.SEDIMENT BASINS AND/OR TRAPS WILL BE CLEANED AND MAINTAINED IN ACCORDANCE CONTRACTOR SHALL PROCEED TO CLEARING OF THE S17E AND THE PHASE l ESC GRADING. ANY REMAINING EROSION
WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK.
CONTROL 17EMS AS SHOWN ON THE PHASE / EROSION CONTROL PLAN SHALL ALSO BE CONSTRUCTED AT THIS TIME.
GENERAL SLOPE (3:1 OR LESS) PER ACRE
b.ALL GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR SEDIMENT BUILDUP THAT WILL
8. AFTER THE ESC INSPECTOR HAS GRANTED APPROVAL OF 7HE PHASE l ESC CONSTRUCTION, THE CONTRACTOR CAN
TOTAL LBS
PREVENT PROPER DRAINAGE. IF THE GRAVEL IS CLOGGED BY SEDIMENT, THE GRAVEL
PROCEED TO PHASE 11 OF 774E EROSION & SEDIMENT CONTROL PLAN. THE CONTRACTOR SHALL BEGIN ROUGH GRADING
KENTUCKY 31 FESCUE 128 LBS.
WILL BE REMOVED AND CLEANED, OR IT WILL BE REPLACED.
THE SITE TO THE CONTOURS SHOWN ON THE PHASE ll EROSION & SEDIMENT CONTROL PLAN. MEASURES INTENDED TO
RED TOP GRASS 2 LBS.
c. ALL SILT FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING OR
TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP K17H ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE
SEASONAL NURSE CROP 20 LBS.
DETERIORATION OF THE FABRIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL BE
FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE.
150 LBS
REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHED HALF WAY TO THE TOP
9. 774E CONTRACTOR SHALL INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE PHASE ll EROSION
SEASONAL NURSE CROP
OF 7HE BARRIER.
d.ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE THAT A GOOD STAND IS
CONTROL PLAN. TEMPORARY SEEDING, PERMANENT SEEDING AND DUST CONTROL SHALL BE IMPLEMENTED AS REQUIRED.
FEBRUARY 16 THROUGH APRIL ANNUAL RYE
MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED.
)0. ONCE ALL THE PHASE ll EROSION CONTROL ITEMS HAVE BEEN INSTALLED & ARE OPERATIONAL, THE S17E /S ROUGH
MAY 1 THROUGH AucusT 15 FoxTAIL MIUEr
IN CASE OF EMERGENCY THE PRIMARY CONTACT FOR THE PROJECT WILL BE THE RLD OR
GRADED DRAINAGE IS PROPERLY CONVEYED TO THESE MEASURES AND THE ESC INSPECTOR HAS GRANTED APPROVAL
AUGUST 16 THROUGH OCTOBER ANNUAL RYE
CONTRACTOR ON -SITE. 774E RLD's CONTACT INFORMATION CAN BE FOUND IN 774E SWPPP,
774E CONTRACTOR CAN BEGIN INSTALLAT70N OF THE UTILITIES CURB AND GUTTER AND PAVED ROAD. INLET PROTECTION
NovEMBER THROUGH FEBRUARY 15 WINTER RYE
WHICH IS TO BE LOCATED ONS17E AT ALL TIMES DURING CONSTRUCTION. IN ADDITION, THE
SHALL ALSO BE INSTALLED AS 7HE STORM SEWER IS CONSTRUCTED. INLET PROTECTION SHALL BE INSPECTED AFTER EACH
NOTES:
OWNER MAY BE CONTACTED. UPON COMPLETION OF 7HE PROJECT, THE OWNER WILL BE
RAINFALL EVENT AND REPAIRS SHALL BE MADE AS NEEDED. IF THE STONE FILTER BECOMES CLOGGED WI7H SEDIMENT SO
RESPONSIBLE FOR SITE MAINTENANCE.
7HAT IT NO LONGER ADEQUATELY PERFORMS ITS FUNCTION, 7HE STONE MUST BE PULLED AWAY AND CLEANED AND/OR
1. LIME AND FERTILIZER NEEDS SHALL BE DETERMINED BY SOIL
REPLACED.
TESTS AND APPLIED IN ACCORDANCE WITH VESCH STD. 3.32.
11. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL
GRADE IS REACHED ON ANY PORTION OF 7HE SITE TEMPORARY SOIL STABILIZATION2.
SHALL BE APPLIED WW7HIN SEVEN
2.
SEEDINGS TO BE MULCHED IMMEDIATELY UPON COMPLETION
DAYS TO DENUDED AREAS 7HAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER
OF SEED APPLICATION, IN ACCORDANCE W/ VESCH STD 3.35.
EROSION CONTROL NOTES:
THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE
PERMANENT SEEDING SCHEDULE
7HAN ONE YEAR.
PS
12 THE CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND
NO SCALE
ES-1: UNLESS OTHERWISE INDICATED, - ALL VEGETATIVE AND STRUCTURAL EROSION AND
SEDIMENT CON7R0L HANDBOOK REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN
SEDIMENT CONTROL PRAC7ICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO
ACCORDANCE K17H THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK.
(STD. & SPEC. 3.32 OF VIRGINIA EROSION &
MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT
13. ALL TEMPORARY EROSION AND SEDIMENT CON7ROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE
SEDIMENT CONTROL HANDBOOK, 3RD ED.)
CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND
STABILIZATION OR AFTER 7HE TEMPORARY MEASURES ARE NO LONGER NEEDED UNLESS 07HERWISE AUTHORIZED BY THE
SEDIMENT CONTROL REGULATIONS.
LOCAL PROGRAM ADMINISTRATOR. TRAPPED SEDIMENT AND 7HE DISTURBED SOIL AREAS RESULTING FROM 7HE DISPOSITION
ES-2: THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO 7HE
OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION.
PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND
DISTURBING ACTIVITY, AND ONE WEEK PR/OR TO THE FINAL INSPECTION.
Ttr
SOIL DESCRIPTION.
ES-3:ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS
7HE FIRST STEP IN CLEARING.
SOILS ON -SITE ARE CURRENTLY AS FOLLOWS:
ES-4: A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE
MAINTAINED ON 7HE S17E AT ALL TIMES
16-CODORUS SILT LOAM-0 TO 29 SLOPES. SOIL IS SOMEWHAT POORLY DRAINED WITH A VERY HIGH RUNOFF CLASSIFICATION.
ES-5-PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS 07HER THAN INDICATED
SURFACE LAYER IS TYPICALLY SILT LOAM AND ABOUT 0-8" THICK. THE DEPTH TO THE WATER TABLE IS GENERALLY 9-18".
ON THESE PLANS (INCLUDING BUT NOT LIMITED TO, OFF -SITE BORROW OR WASTE
AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN
34D-GLENELG LOAM-15 TO 25% SLOPES. SOIL /S TYPICALLY WELL DRAINED WITH A HIGH RUNOFF CLASSIFICATION. SURFACE LAYER
TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY.
IS TYPICALLY LOAM AND ABOUT 0-6" THICK. THE DEPTH TO THE WATER TABLE IS GENERALLY MORE THAN 80".
ES-6: THE CON7RACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION
CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS
39C-HAZEL LOAM-7 TO 157 SLOPES. SOIL IS TYPICALLY EXCESSIVELY DRAINED WITH A MEDIUM RUNOFF CLASSIFICATION. SURFACE
DETERMINED BY THE PLAN APPROVING AUTHORITY.
LAYER IS TYPICALLY LOAM AND ABOUT 0-10" THICK. THE DEPTH TO THE WATER TABLE IS GENERALLY MORE THAN 80".
ES-7.'ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT
ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SI7F DEVELOPMENT UNTIL
390-HAZEL LOAM-15 70 25% SLOPES. SOIL IS TYPICALLY EXCESSIVELY DRAINED WITH A MEDIUM RUNOFF CLASSIFICATION.
FINAL STABILIZATION /S ED.
/S TYPICALLY AND ABOUT THICK. THE TO THE WATER TABLE MORE THAN
RA PONS, WATER WILL BE PUMPED INTO AN APPROVED WATER
ES-8: DURING DEWATERING OPERATIO
SURFACE LAYER LOAM 0-10" DEPTH IS GENERALLY
FILTERING DEVICE.
80 .
ES-9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND
AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR
CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL
REFERENCE: WEB SOIL SURVEY ONLINE DATABASE, FOUND AT http://websoilsurvey.nres.usdo.gov/oppIWebSoilSurvey.ospx
BE MADE IMMEDIATELY.
3.05 1992
3.11 Paved construction entrance for erosion control pbm 1992
CONSTRUCTION OF A SILT FENCE
(WITHOUT WIRE SUPPORT)
1. SET THE STAKES. 2. EXCAVATE A 47X C TRENCH
UPSLOPE ALONG THE LINE OF
STAKES.
VMAX.
FLOW -
III III F�
3. STAPLE FILTER MATERIAL 4. BACKFILL AND COMPACT
TO STAKES AND EXTEND THE EXCAVATED SOIL.
IT INTO THE TRENCH.
"
FLOW
III '" =III
SHEET FLOW INSTALLATION
(PERSPECTIVE VIEW)
I I
FLOW
11 1111HII I ImilIII Mimi
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 Sherwood and Wyant
TEMPORARY RIGHT-OF-WAY
DIVERSIONS
VDOT #1
COARSE AGGREGATE lB" MLN
g• MINIMUM
TYPICAL GRAVEL STRUCTURE
COMPACTED SOIL
g• MINIMUM
TYPICAL EARTHEN STRUCTURE
Plate 3.05-2
Source: Va. DSWC
Plate 3.11-1
3' S0-2A ASPHALT TOP
COURSE
7x
PROFIL
ONE
CONSTRUICIION•
ACCESS-
WASHWK
EXISTING
EXTEND FULL WIDTH
O POSITIVE DRAINAGE
OF tS AM [CRESS
TRAPPING DEVICIF
OPERATION
i \
•IVVE .•
a. IMENT
.. -
---
TRAPPING DEVICEI
raTry c-o-H.�
A ulanumnn wale tap of I mc11 ballcocl.
And OILc'ah a suppgnlg a WWI hose utth a rhainda of I c mlhes fol adegnale
�ouJatU pleg:-Ige. \l'ash wale anal be Lalued array how the ntttanl a to alI
apptol•ell setthtts a ea In Iauot•e SetfuuaU. .all >•e+WueU .ha0 be pI n'aUeTl how
rutamg Storm chains. ditches ou watacomses.
PAVED WASH RACK
NO SCALE
DRIP ONE
SNOW FENCE
BOARD FENCE
TABLE 331-A
LIMING REQUIREMENTS
FOR TEMPORARY SITES
Recommended Application
FH Test of Agricultural Limestone
below 4.2 3 tons per acre
42 to 5. per 2 2 tons r acre
52 to 6 1 ton per acre
Source: Va. DSWC
FENCING AND
RING
l_
CORRECT METHODS OF TREE FENCING
�, -W-00 - CORRECT TRUNK ARMORING
am
TRIANGULAR BOARD FENCE
Source: Va. DSWC
3.38
Plate 3.38-2
SCOTT/R. CULLINSZ
Lic. No. 035791.'
A_ 11/1/21 'Aj
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SCALE
N/A
SHEET NO.
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37,11
1�
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1 I I I 11 I\ 1
EXISTING ROAD DRAINAGE SYSTEM \
X
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\ V A \ The Virginia Stream Restoration & / / , \TH p�
Stabilization Best Management Practices Guide SOILv � \ \\ A v v TMPo h�
\ DETAIL 5.1 PUMP AROUND PRACTICE / 4LIZAB 0o- NN
\ I EXISTING PROPERTY LINE (TYP.) PROPOSED PAVED CONSTRUCTION \ _CHARLES R. & ELIZAB�H?iNN OGLESBY v�J
\ \ O \ \ \\ \ \ yy I TYPE PROPOSED VDOT CL. Ai RIPRAP LINED OUTLET ENTRANCE (12'x7o' MIN.) w/ WASH \ \ \ HAUGH
g A V A V A 39 D PROTECTION WITH FILTER FABRIC UNDERLAYMENT \ \ V C� RACK &DOWN GRADIENT SEDIMENT v SOIL- - D.B. 1333, P. 450 / SCOTT R. LINS Z
L 13' W=3', D=1' MIN. \\ TRAPPING DEVICE TO TREAT FLASH \ �9z-ACRES / L) Lie. No. 035791 ,'b
\ \ ,' UNOFF FROM VEHICULAR WASHOFF- - —TYPE_
Dewatering Device / - �° LOCATION OF SANDBAGS OP V� 1 \ - - _ - / d� 12/27/21
or rE&St/ Standard and Spec. 3.26 Diversion Pump a I NOTE: PUMP AROUND SH \ \ EXISTING 22" SANITARY SEWER TO REMAIN- - —39D = / / / O�'S G1
I \ \ or dirt/sediment bag) ALL BE USED TO REMOVE \� \ \ - - _ - - - / �IONAL E�
EXISTING 24 CMP CULVERT &INSTALL PROPOSED -- - EXISTING TREELINE (TMP.) - -LIMITS OF DISTURBANCE TYP.)
Discharge Hoses ti - _
\ \ \ \ \ P Intake o" RCP PIPE SYSTEM. SEE DETAIL ON THIS SHEET.
Oewaterin PumpHose
tT ` \ p _ _ P (as need /
ad) / / / ��ICD
A LIMITS OF DISTURBANCE (TYP.)
- 3-m j —
36£-- ° \ \ — : .' Flow A r' Flow ------ - / / — EXISTING EDGE OF PAVEMENTTO BE --- — — — --
Work Area -� �` "=� _ — — — - — EMOVED & REPLACED WITH THE
_RWD — — _
EXISTINGR/W(TYP.) �F
- IMPROVEMENTS TO POLO GROUNDS ROAD—
\ \ \ \ Sandbag/Stone Barrier
1
CI
In In
Work Area Sump -hole EXISTING P�GRQUNDS ROAD � �� — 370 — ® z z
Discharge Pump Length Not To Exceed - _ S
2 3.20 Into Velocity That Which Can Be 12" Min Depth PHASE i IMPROVEMENTS _ — _ _ _ w w
Dissipater Completed In One Day 2' Min Diameter - --- ' -
777-
L■
DC STATE ROUTE
"r— 0 0
ROCK CHECK DAM - PLAN --W ---w - - ', I CD '�� — 643 POLO GROUNDS ROAD 0 ¢ >
- c\
--
2 ACRES OR LESS OF DRAINAGE AREA: - -- = � o _ - \' -
`, Y � 1
EXISTING FIRE HYDRANT �, � _ � - � — p In � �
6, Sheeting \ MP -AR ND — _ - 0 a f < 6
i� - D - — — — Z \ w w
FILTER CLOTH 3 Base Flow + 1 Foot i -rE 4 POLO GROUNDS ROA - / — _ \ \) — �" _ — _ _ _\ _, \ \=\ \ N > Z a a
Work Area (2 Foot Minimum) 1.1 6 3 ' / f
(OPTIONAL) STATE OU A - _ A A �� - c w w
RO — TS EXISTING EDGE OF / /
PAVEMENTTO REMAIN_ — o — — — — V—..v v v a a
(DOWNSTREAM VIEW) - TP _ v — Q �� 0 pL}-���� v _ LU 0
Cross Section Of Sandbag/Stone Diversion �, r0II - 0 L?o_ L�_ - _ — — �o / i ~ ~ LI In
vooT #I \ / EXISTING GUARDRAIL — O Oo -9 / _ ��� .. ..
d 00 OO Oo � @-
_/ v SF TO REMAIN Oo/ / / / — � OO LU w w
COARSE AGGREGATE SECTION A -A \ OO \ SF I \ --.-- �O 00� / / / / / / \ \ - -..� 00 __ ---- --- �/ of Of
FLOW a, s. �� -- - ---- ---_-- __-_ LOCATION OF SANDBAGS - / i / / / \ \ \ \ \ @ - li
Adapted From SOIL --- -- ---- ---- -- -- \ PROPOSED VDOT CL. Ai RIPRAP LINED OUTLET / / \ \ 0
Maryland'sFromWaterway- DEWATERING DEVICE / / / / \ \ \ SOIL_ -
y TYPE OPi PROTECTION WITH FILTER FABRIC UNDERLAYMENT
Construction Gudielines _ \ \ CO) L=12', W1=8', W2=14, D=1' MIN. _ ♦ , / \ \ -TYPE_
2-10 ACRES OF DRAINAGE AREA: TEMPORARY, INSTREAY DECEYBER 2003 4IRGINIA DEPARTMENT OF CONSERVATION RECREATION 39 D \EXISTI` too -YEAR FLOODPLAIN TYP. \ \ OO t / / / / / ♦ - -
CONSTRUCTION MEASURES \ \ ( \ \ / / / \ \ 39 D
I PUMP -AROUND INSTALLATION GUIDELINES
R. rvl A I I A rr r I u In 11^1 r^n,IlrA, i, rv,rr,, n^, I lnrTnr A A A^r T1II- \AI^Ml/AMI- n \ 1 \\ ---
81
SET UP PUMP AND HOSE/PIPE.
\ ,
WMW I Y\" '
$1
INSTALL UPSTREAM AND DOWNSTREAM BARRIERS AND START PUMP.
51
USE DE -WATERING PUMP AND DE -WATERING DEVICE TO REMOVE WATER LEFT
\
\ \
BETWEEN THE IN -STREAM BARRIERS AFTER PRIMARY PUMP INSTALLATION AND AS
\
\
NEEDED DURING CONSTRUCTION.
\ \
61
COMPLETE IN -STREAM CONSTRUCTION ACTIVITIES AND REMOVE IN -STREAM
\ \
SOIL
A \ v
Z
RESTORE/REPAIR IMPACTED STREAM AREAS.
\
1
WOOA
TYPE
CROCK ETT�CQ�RPORATIO N v
16
TMP04600-o6- o-oi8Co
_-_ 79.5o ACRE - -
DB 624, PG 193
Z Source: Va. DSWC Plate 3.20-1
ii /
v TMP o4600-6o-oo-ol8A0
v v CHARLES R. & ELIZABEETHVANN OGLESBY -- v v \
v D.B.'1 HAUGH, P.450i \ V A\ 3
\ SOIL - -- 29.92 ACIFES /
_TYPE__ GRAPHIC C
= 39D - — — \ \ —� / i \ \ \ \ \
— - -- / / \ \ 3a o � \i5 0\ 60 \ �_
-LIMITS OF DISTURBANCE (TYP. \ \ \ \ \ _ 4-02/
INFEET
1 inch = 30 fI. \ \ \ \ \ A — — --- SOIL
---CRS LLI.--� \�.\_// 3B6 \ \ \ _ / \ \ \ \ —39 - _ PE
—
DAD -
- EXISTING EDGE OF PAVEMENT TO BE \ \ NOTE: PUMP -AROUND SHALL BE USED TO REMOVE\
EMOVED & REPLACED WITH THE \ EXISTING 18" CMP CULVERT & INSTALL PROPOSED
IMPROVEMENTS TO POLO GROUNDS ROAD ---
1 _ \ \ 30" RCP PIPE SYSTEM. SEE DETAIL ON THIS SHEET. - --
\ \w
Nunn
w i \ -
,
SOIL LINE (TYP.) r
/ 1992 3.08 ¢ ' r4
\ / 00 '� N
i SOIL
TYPE]
95
i V �
TYPE- /
27C i
SOIL LINE (TYP.)
TMPo4600-o0-oo_-o18)3�0 /
CHARLESR. &ELIZABETH ANN OGLESBY /
HAUGH
D.B.1333, -P. 4500
�19.92 ACRES
XISTING TREELINE (TYP.) /
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andard Z
Sheets and Va. DSWC Plate 3.08-1 _ (n
D GROUNDS R-�pqpSIP � — / 0 W
�D S - LOCATION OF SANDBAGS \ \ _ - � -' � _ - / z
NOTE: PUMP -AROUND SHALL BE USED TO REMOVE V - / - % / / ' " /�iJ�
\ 5 \ \ \ \ _ - - - EX STING 18" CMP CULVERT & INSTALL PROPOSED - - j / / / / ��' w O
_ - @ - _ _ z RCP PIPE SYSTEM. SEE DETAIL ON THIS SHEET. ' - / i /� �/' / /
_ EXISTING R/W (TYP. /
-- — J _
--
ce
--- -EXISTING EDGE OF PAVEMENTTO BE ""..� / / / / / /�
U \ \ \ \ _ \ \ - = �_ - - - - - - - \ ` WITH THE i Lu
- — — REMOVED &REPLACED
Oo o-0--0_0 \ \ \ \� ` \ \\ s P _ \ — -` \ — — — — — — — \ _ / ,MPROVEMENTSTOPOLO GROUNDS ROAD ��
`� — \� 37 — — _ —Ul
--- — XISTING 12" SANITARY SEWER TO REMAIN
_ LOCATION OF SANDBAGS ' _ - % %� ; ! — / / V7
v A — VA PUMP -AROUND \ ��— — / / / - ® / /
-- v--- - --------_LD CO Q a
/ \ SOIL_ o — — — \ -- --- — — _,I
TYPE w
- _
♦ \ \ \ \ 39D — — -EXISTING GUARDRAIL
J
TO REMAIN Oo EXISTING EDGE OF-
PAVEMENTTO REMAINS — A
/ \ \ - _ _ —
IP
- TS - -STATE ROUTE 6�3 POLO GR D RS OAD�, DEWATERING DEVICE _ OO 'Q U v a -� - -� �+
c_� oLOCATION OF SANDBA ����/Jk,
-
- \ �PROTECTION
PROPOSED VDOT CL. Al RIPRAP LINED OUTLTi WITH FILTER FABRIC UNDERLAYMENT
\ L=12', W1=8', W2=14, D=1' MIN.
- � / _ ♦ � , - -- - - � \ \ \ - ---- - - - - - ZROLICETT CORPORATION -
EXISTING ioo-YEAR FLOODPLAIN (TYP. _- - - - TMP o46o0-oo-oo-o18C0_ _ _ _ / OP3
\ / _ - �� ♦ \ \ \ \ \ / -- --p4_ PROPOSED VDOT CL. Al RIPRAP LINED OUTLET
\ / \ ♦ \ \ - - - 3 _ PROTECTION WITH FILTER FABRIC UNDERLAYMENT
L=12', W1=8', W2=15', D=1' MIN.
1992 3.18
PIPE OUTLET CONDITIONS
A A
3do
aO
-----'------- _ PIPE OUTLET TO FLAT
AREA WITH NO DEFINED
CHANNEL
PLAN VIEW
0
D R �
d
SECTION A -A FILTER CLOTH KEY IN 6'-8': RECOMMENDED FOR ENTIRE PERIMETER
A (MIN.)
do
PIPE OUTLET TO WELL
DEFINED CHANNEL
PLAN VIEW 1
La Dx—.
d
SECTION A -A T 7_
FILTER CLOTH KEY IN 6--1% RECOMMENDED FOR ENTIRE PERIMETER
NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION
BASKET, OR CONCRETE.
2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED
USING PLATES 3.18-3 AND 3,18-4,
3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT
LESS THAN 6 INCHES.
Source: Va. DSWC Plate 3 18 1
D VIA
Willow
(D Z
_
,PUMP -AROUND / / / / /
_ N O
AD-
a,- 0 0 (0
0
— — - - ' EXISTING EDGE OF r+ w
PAVEMENTTOREMAIN F
DEWATERING DEVICE LU
SOIL O w
-- ---- - / cc =
Y
EXISTING GUARDRAIL / TYPE JOB NO.
TO REMAIN 39D 182150
♦� SOIL_ —,
LOCATION OF SANDBAGS � SCALE
--
_ -TYPE --
/
` 1 "-30'
16
SHEET NO.
— 5
b TMP04600-oo-oo-oigBq I � � C�
�� � � ��' � � � BROO ILL MASTER ASSOCIATION INC. � � � i 11 �� � XISTING PROPERTY LINE (TYP.) � \
1 ` D.B. S�,lz, PG. 303 LQrnxJO 15 CY DUMPSTER �\ \ -- - \ - - T1I 0
o. z , RE5 �� PROP05EDCONTRACTOR \ � SOIL / �4
_ ` O L CATION OFF ELING AREA ` PARKING &STAGING AREA -- EXISTING ioo-YEAR FLOODPLAIN (TYP.) ® ✓>
/ /SOIL / / I I �� s 7
TYPE A " o i THE FUELING TANK SHALL BECOMPLETELY SURROUNDED BY A z' DEEP, z' WIDE V LOCATION OF POR A -POTTIES\ _ " TYPE / w �
/ �r EARTHEN BERM WITH A HEAVY MIL POLYETHYLENE LINING, OR BE PLACED IN AN 39C / W SCOTT R. LINS Z
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- `� IMPERVIOUS OPEN -TOP DUMPSTER. THE PROPOSED BERM OR DUMPSTER SHALL \ I Oo \ y \ / L� Lie. No. 035791
\ CONTAIN FUEL IN THE EVENT OF A SPILL. CONTRACTOR SHALL ENSURE VOLUME CRS � / �` /
/ cs P POSE PAVED CON TRUCTION / A \� d
TYPE I C PACITY IS 3.o%LARGER THAN THEM XIMUM VOLUME OFSTORED FUEL. 0° 12/27/21
\ _ EXISTING TREELINE (TYP.) ' �++ + y0 O�
o ( 7 >
�� TRAPPING DEVICE TO TREAT FLASH SEWER TO BE REMOVED & RENITARY '
y B ENTRANCE lzk o' MIN. w/ WASH
4D \ ^ \ \ / ! RACK & DOWN GRADIENT SEDIMENT \ PORTION OF EXISTING 22" SA � ,
/CROCKETT CORPORATIO
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� � ' � PLACED � � ' TMP o 60 0 00-00- iB8 / NAL
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/ ItHARLES R. & ELIZABETH A v / 119.6g ACRES
\ SED VDOT CL. Ai RIPRAP LINED OUTLET \ /
EXISTING STREAM v v V o EXISTING PROPERTY LINE (TYP.) / / z ESBA HAUGH I I I 1 \ oo I`I PROTECTION WITH FILTER FABRIC UNDERLAYMENT-_
/ � � � I o .EXIST �'
/ / / - D.B. 1333, P. 450 L=zo' W= ' D=d.' MIN._
3' \� Oo NOTE: PUMP -AROUND HALL BE USED TO REMOVE EXISTING STREAM
29.92 CRE� \ \ \ \ o OP A v v OO EXISTING 48" CMP CULVERT & INSTALL -PROPOSED (z) /
1 \ O I ` 30' RCP CULVERTS. SEE DETAIL ON THIS SHEET. EXISTING i2" SANITARY SEWER TO REMAI SOIL �` y
SOIL LINE (TYP.) co) ® - * v V v 1
/ � / / - / NOTE: PUMP -AROUND SHALL BE USED TO REMOVE �� - / �' CIP , 'TYPE / \ \\_\ SOIL I— _ _/ o TS L CATION OF SANDBAGS Ln U)
—t % I EXISTING 7z" CMP CULVERT & INSTALL PROPOSED DUAL ' / `/ - -- EXISTING R/W (TYP. ` _ - �� - p PORTION O z z
/ i 16 i� — \\ - - \ �o �_� �— y SEWERTO w w
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EXISTING loo-YEAR FLOODPLAIN (TYP.) ° /= - INSTALL _ _ ' . ,
SOIL - = — — cp 0 0
_ _ REMOVED E& REPLACED WITH THE BE �k e P U g U U
i // / / i - , i // // rl i / j / - k SF \ IMPROVEMENTS TO POLO ROUNDS ROAD- ?E Z o GO Lu W
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3 y\ \ \ \ \ \ \ The Virginia Stream Restoration & / / / / / �// /� Q Q J
WW y y wy I \ \ MpNTGOMERYRIDGE OWNERS ASSOCIATION INC \ \ \ \\ \ \ Stabilization Best Management Practices Guide �� // / /// /// / /jam / � 0
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\ VA �AA V A v v �_ v v v v v 1 SET UP PUMP AND HOSE/PIPE. _ _- JOB NO.
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WITH 1 RIPRAP
LINED
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EXISTING PROPERTY NE (TYP.)6_ // IN\FEET STREAM\1i\e\30ft.\3 PS O
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(Acres) (MuL)
- k_w.w oPl 12.08 0.52 11.0
=Ir met -- -ariv - - - OP2 4.46 0.51 9.0
OUTFALL
Qio
(Cfs)
Do, Pipe
Diameter
(in)
Tailwater
Condition
La, Apron
Length
(ft)
Apron Width
d5o
(ft)
Rip -Rap
Depth
(ft)
Rip -Rap
Class
Upstream
(ft)
Downstream
(ft)
OP1
29.29
30
Max
12
8
14
0.5
1.1
Ai
OP2
12.70
30
Min
12
8
14
0.5
1.1
Ai
OP3
7.79
30
Min
12
8
15
0.5
1.1
1
OP4
634.96
6o (2)
Max
45
30
55
O.5
1.1
1
OP5
1 154.00
120
Max
1 3.8
1 20
1 20
1 0.5
1 1.1
Ai
OP6
7.73
15
Min
8
1 4
1 10
1 o.5
i.i
Ai
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49.93
30 (2)
Max
5o
15
20
0.5
i.1
1
OP8
2.43
i5
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40
4
15
o.5
i.i
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^° SFv - - - - OP3 2.43 0.55 8.0 NOTE: PEDESTRIAN TUNNEL ACTS AS AN OVERFLOW
/
- _ _
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00 -YRFLOWFOR
---- -
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LIMITS OF DISTURBANCE (TYP.)r�
EXISTING EDGE OF ( I U \ \ \ I \ \ \ Oo
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EXISTING zi" SANITARY SEWER TO REMAIN \
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EXISTING ioo-YEAR FLOODPLAIN (TYPJ
Outfall
Area
CN
t�
(Acres)
(Hr.)
ON
682.92
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JOB NO.
182150
SCALE
1 "=30'
SHEET NO.
8
0
]Broolihill
Stormwater Quality Sum
ary Table
�T
Phosphorus Removal
Amount
Amount Offsite
Perce
of
of
R.
LINSZ
Per WPO 20210007 VSMP Plan by CE
�SCOTT
(Sheet 15, SWM Narrative, Water
U Lie.
No.
035791
Quality Summary)
Per Dec. 20, 2018 WPO 20180051
��O
12/27/21
tV�
VSMP Plan ohler (Sheet 2
Nab ative's Conclusion)
10NAL
E�Ol
Total Required
Per Nov. 15, 2018 WPO 20180013
Phosphorous Removal
VSMP Plan by Bohler (Sheet C-902,
Rate (Ibs/yr) to Date
SWM Narrative)
85.42
Per WPO 201800080 VSMP Plan by
CE (Sheet 6's SWM Narrative, 1st
Total ONSITE
paragraph of Water Quality
Phosphorous Removal
Rate Provided Ibs/ r
73.85
Z
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111
Per WPO 201700037 VSMP
O
O
Amendment #2 by CE (Sheet 15,
O
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r
SWM Narrative's Water Quality
Summary)
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Notes:
O
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¢
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1. To date, the total required phosphorous removal rate is S5.42lbs/yrand the total phosphorous removal rate achieved through onsite SWMfacilities is 73.85lbs/yr. In accordance with stormwater quantity
regulations, the overall Brookhill
y
0
m
m
Per WP0201900004 VSMP Plan by Development is allowed to use offsite BMPs (e.g. nutrient credit purchases) totalling a maximum of 25%of the overall required required phosphorous removal rate.
^�
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Z
a
a
Bohler (Sheet C-903, SWM 2. Actual
purchased nutrient credits assoicated with the approved plans to date is 5.991b/yr.
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3. Actual
nutrient credits proposed to be pu rch ased (come ntl y under review) that a re assoicated with the WPO 20210007 plan to date is 5.581 b/yr.
LU
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4. Water
quality requirements for this plan (WPO 201800013- Amendment #2) have previously been satisfied. The water quality requirements for this plan were originally met and approved with WPO 201800013 (see sheet C-902 by Bohler
>
Engineering). WPO 201800013 provided Pond 10, Pond 11 and two level spreaders (LS-10&LS-31) outfalling into conserved open spaces for water quality. Following this, WPO 201800080 and WPO 201700037 Amendment #2 were approved. WPO
�
U)
201800080 replaced LS-10 and Pond 10 with a new level ll wet pond and a nutrient credit purchase (see sheet 6 by Collins Engineering). WPO 201700037 Amendment #2 removed LS-11(see sheet 18 and bottom left wrner of sheet 15 by Collins
W
w
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Engineering). Please note, the originally approved Pond 11 by Bohler Engineering has not been modified.
STORMWATER QUALITY SUMMARY NOTE:
AS SUMMARIZED ABOVE IN NOTES #1-3, THE TOTAL PHOSPHOROUS REMOVAL RATE REQUIRED TO DATE
IS 85.42 Ibs/yr FOR THE
OVERALL BROOKHILL DEVELOPMENT. ADDITIONALLY, THE TOTAL PHOSPHOROUS REMOVAL RATE PROVIDED ONSITE IS 73.85 Ibs/yr
FOR THE OVERALL BROOKHILL DEVELOPMENT. A MINIMUM OF 75% OF THE
REQUIRED PHOSPHOROUS
REMOVAL RATE SHALL BE
PROVIDED ONSITE, AND TO DATE 86.5% IS PROVIDED ONSITE.
a
N
i
N
Required Phosphorous
00
Removal Rate (Ibs/yr)
Per WPO 2020DO04 VSMP Plan by CE
10,05
(Sheet 17, SWM Narrative, Water
Quality Narrative)
N
1
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N
,���x(
W
Removal Rate (lbs/yr)
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TBD
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ry
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Required Phosphorous
Removal Rate (Ibs/yr)
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TBD
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JOB NO.
182150
SCALE
NONE
SHEET NO.
9
Section
Block
Common Name
SWM Facility ID
Type of Facility
P
achieved w/proposed
plan (Ib/yr)
Plan#
Offsite Credits
Created (Ib/yr)
Credits Purchased
(Ih/yr)
nt of Total
Development
Offsite Credits (%)
1
4A
Apartments
Pond 11
Wet Pond
4.01
WP0201800051
0
1.27
3.7%
1
4A
Apartments
DP-4A
Detention Pond w/Underground Storage
-
WP0201S00051
1
4A
Apartments
CDS-4A
CDS Unit (Manufactured Device)
1.60
WP0201800051
1
4A
Apartments
LS-11
Sheet flow to open space REMOVED
-
WP0201800051
1
4B
Apartments
Pond 11
Wet Pond
0.18
WP0201S00051
1
4B
Apartments
JD-4B
Isolator Row (Manufactured Device)
3.38
WP0201800051
1
46
Apartments
Pond 4B
Extended Detention Pond
0.79
WP0201800051
1
4B
Apartments
LS-4B
Sheet flow to open space
0.74
WP0201800051
1
-
ROW
Pond 11
Wet Pond
0.18
WP0201800013
0
1.09
3.2%
1
-
ROW
LS-11
Sheet flow to open space REMOVED
-
WP0201S00013
1
-
ROW
LS-11
Sheet flow to open space REMOVED
-
WP0201S00013
1
8B
ROW and Block 88
Pond 30
Wet Pond
5.91
WP0201800080
0.68
1.53
2.5
1
-
ROW
LS-10
LS-10 REMOVED
-
WP0201800080
1
-
ROW
LS-10
LS-10 REMOVED
-
WP0201800080
1
3
SectionlMass Grading
Pond4
Wet Pond
20.56
WP0201700037
(Amendment #2)
0.46
0
1.4%
1
3
SectionlMass Grading
LS-4.1
Sheet flow to open space
5.14
WP0201700037
(amendment#2)
1
3
Se[tionlMass Grading
Wet PondB
Wet Pond
8.53
WP0201700037
(Amendment #2)
0
0
0.0%
1
3
Ice Rink ROW
Pond 11
Wet Pond
0.38
WP0201800050
0.08
0
0.2%
1
3
Ice Rink ROW
LS-11
Sheet flow to open space REMOVED
-
WP0201800050
1
3
Ice Rink ROW
Pond 4
Wet Pond
0.89
WP0201800050
0.65
0
2.0%
1
3
Ice Rink ROW
LS-4.1
Sheet flow to open space
0.67
WP0201S00050
1
3
Ice Rink
Pond4
Wet Pond
2.20
WP0201800050
1
3
Ice Rink
LS-4.1
Sheet flow to open space
1.79
WP0201800050
1
8A
Senior Living Facility
Pond 11
Wet Pond
3.70
WP0201900004
0.01
0
0.0%
1
8A
Senior Living Facility
LS-11
Sheet flow to open space REMOVED
-
WP0201900004
Section 1 Master Plan Comparison
Section
SWM Facility ID
Phosphorus Removal
proposed w/master plan
(Ib/yr)
Phosphorus Removal
achieved w/proposed plan
(Ib/yr)
Anticipated Amount of
Offsite Credits
Purchased (Jb/yr)
Anticipated Percent of
Total Development
Offsite Credits (%)
Amount of Offsite
Credits Purchased
(Ib/yr)
Percent of Total
Development
Offsite Credits (%)
1
Pond 4Treatment Total
6.77
23.65
1
Pond 7Treatment Total
8.11
TBD
1
Pond 30 Treatment Total
6.94
5.91
1
Pond ll Treatment Total
9.68
8.45
1
Pond 46 Treatment Total
-
0.79
1
Manufactured Devices Treatment Total
2.62
4.98
1
Infiltration Treatment Total
21.71
0
1
Wet Pond B
-
8.53
1
Sheet Flow to Open Space Treatment Total
9.74
8.34
Section l6MPTreatment Total
65.57
60.65
Section l0ffsite Nutrient Credits Total
6.8 20.0% 3.89 31%
Phosphorus Removal
Amount of Offsite
Per
Required Phosphorous
Removal Rate (Ibs/yr)
14.17
1.12
6.74
29.94
5.68
Section
Block
Common Name
SWM Facility ID
Type of Facility
Phosphorus Removal
achieved w/proposed
plan (Ib/yr)
Plan#
Amount of Offsite
Credits Purchased
(Ib/yr)
Percent of Total
Development
Offsite Credits (%)
5
16
Single Family Housing
StormTech Isolator Row&
Level Spreader'A'
Filtering Device&Sheefflow to Conservation Area
with A/B soils
7.33
WPO 20210007
0
0.0%
5
17
Single Family Housing
UGD'B'
Underground Detention (No Water Quality
WPO 20210007
10.67
31.4%
5
18
Single Family Housing
TBD
TBD
TBD
TBD
TBD
TBD
Section S Master Plan Comparison
Section
SWM Facility ID
Phosphorus Removal
proposed w/master plan
(Ib/yr)
Phosphorus Removal
achieved w/proposed plan
(Ib/yr)
Anticipated Amount of
Offsite Credits
Purchased
Anticipated Percent of
Total Development
Offsite Credits
Amount of Offsite
Credits Purchased
Percent of Total
Development
Offsite Credits
5
Pond l4A Treatment Total
4,81
TBD
5
Pond 148 Treatment Total
6.42
TBD
5
Pond lSA Treatment Total
5.16
TBD
5
Pond 158 Treatment Total
5.14
TBD
5
Pond l6 Treatment Total
11.75
TBD
5
Gass Channel Treatment Total
2.1
TBD
5
SheeY Flow to Open Space Treatment Total
1.43
7.33
5
Blocks 16-17 Wet Pond
-
0
Section STreatment Total
36.81
7.33
Section SNutrient Credits Total
6.8
20.0%
10.67
31.4%
Overall Treatment Total
141.28
73.85
Oveall Nutrient Credits Purchased
34
100.0%
16.66
49.0%
Anticipated Treatment Total With SWM Master Plan
175.56
Required Phosphorous
Removal Rate (Ibs/yr)
17.72
TBD