HomeMy WebLinkAboutWPO201800013 Plan - VSMP 2021-12-28 (2)GENERAL NOTES
OWNERS:
TMP 04600-oo-oo-o28Ao
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 o4600-oo-oo-o29Bg
BROOKHILL MASTER ASSOCIATION INC
455 SECOND STREET
CHARLOTTESVILLE, VA 22902
TMP 04600-oo-oo-oigB8
CROCKETT CORPORATION
435 PARK STREET
CHARLOTTESVILLE, VA 22902
DEVELOPER:
RIVERBEND DEVELOPMENT, INC.
455 SECOND STREET SE, SUITE 201
CHARLOTTESVILLE, VA 22902
ENGINEER:
COLLINS ENGINEERING
zoo GARRETT ST, SUITE K
CHARLOTTESVILLE, VA 22902
TAX MAP:
04600-oo-oo-o28Ao
D.B. 2333, PG. 450
29.92 ACRES
04600-oo-oo-w.BE2
D.B. 5492, PG.476
5.45 ACRES
TMP 04600-oo-oo-o2969
D.B. 5522, PG.303
50.72 ACRES
TMP 04600-oo-oo-o2gB8
D.B. 5346, PG. 256
229.69 ACRES
ZONING:
NEIGHBORHOOD MODEL DEVELOPMENT DISTRICT(ZMA2o2800022 WITH
PROFFERS - APPROVED BY THE BOARD OF SUPERVISORS ON JULY 27, 2029)
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-oi8Ao - 29.92 AC. (PORTION OF)
04600-oo-oo-oi8E2 - 5.45 AC. (PORTION OF)
04600-oo-oo-o2g69 - 50.72 AC. (PORTION OF)
04600-oo-oo-oigB8 - 2ig.69 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 BYLINCOLN
SURVEYING AND BELL LAND SURVEYS, JANUARY 2025.
BOUNDARY INFORMATION WAS COMPILED BY LINCOLN
SURVEYING ON MARCH 7, 2025. FIELD VERIFIED BY COLLINS
ENGINEERING IN JUNE OF 2021.
DATUM:
NAVD 2988
EXISTING VEGETATION:
EXISTING 5o' PUBLIC R/W ALONG POLO GROUNDS ROAD
PRESERVEDIMANAGEDSLOPES: 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 OF THE 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: 1" = 200'
NOTE: VSMP PLAN AMENDMENT #1 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
EROSION CONTROL * HANDBOOK SPECIFICATION NUMBER CON1ROL
CE BERM CONSTRUCTION ENTRANCE 3.02
CR
CR
SF
x X x
sr
0
SB
0
OP
RR
CD
'
TS
TS
PS
PS
O
DC
DC
LEGEND
CONSTRUCTION ROAD
STABILIZATION
SILT FENCE
SEDIMENT TRAP
SEDIMENT BASIN
OUTLET PROTECTION
RIPRAP
CHECK DAM
TEMPORARY SEEDING
PERMANENT SEEDING
TREE PROTECTION
DUST CONTROL
EDGE OF PAVEMENT
3.03
3.05
3.13
3.14
3.18
3.19
3.20
3.31
3.32
3.38
3.39
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
PROPOSED HANDICAP PARKING SPACE
«
PROPOSED ASPHALT STRIPING
--------------- 200 ---------------
EXISTING CONTOUR
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PROPOSED CONTOUR
506.71 TC
506.21 EP
PROPOSED SPOT ELEVATION
TBC DENOTES TOP/BACK OF CURB
TAB 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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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 INSPEC770N.
A PR07EC77VE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CONTROL MEASURE. TO
2.
ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED
PROHIBIT 7HE UNDESIRABLE USE OF AN EROSION CON7ROL MEASURE BY THE PUBLIC. APPLICABLE
ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF 774E VIRGINIA EROSION AND
TO ANY CON7ROL 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 774E PUBLIC.
SEDIMENT CONTROL REGULATIONS.
302 CONS7RUC77ON ENTRANCE:
J.
ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE
A STABILIZED CONS7RUC77ON ENTRANCE LOCA 7ED 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 EN7RANCES SHALL BE INSTALLED AS
THE SITE AT ALL TIMES.
SHOWN ON THE PLANS TO REDUCE 7HE AMOUNT SEDIMENT 7RANSPORTED ONTO PUBLIC ROADWAYS
5.
PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON
THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF -SITE BORROW OR WASTE AREAS), THE
3.03 CONSTRUC770N ROAD STABILIZATION.'
ON ROADSTA7ON LI
CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR
774E TEMPORARY ACCESS ROADS SUBDIVISION ROADS PARKING AREAS AND
REVIEW AND APPROVAL BY 774E PLAN APPROVING AUTHORITY.
07HER SITE VEHICLE TRANSPORTATION ROUTES WITH STONE IMMEDIATELY AFTER GRADING. TO
6.
THE CONTRACTOR IS RESPONSIBLE FOR INSTALLA7ON OF ANY ADDITIONAL EROSION CONTROL
REDUCE EROSION OF TEMPORARY ROADBEDS BY CONS7RUCT70N TRAFFIC DURING WET WEATHER AND
TO REDUCE EROSION AND SUBSEQUENT REGRADING OF PERMANENT ROADBEDS BETWEEN THE 77ME
MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN
OF INI77AL GRADING AND FINAL STABILIZATION. USE WHEREVER STONE -BASE ROADS OR PARKING
APPROVING AUTHORITY.
AREAS ARE CONSTRUCTED WHETHER PERMANENT OR TEMPORARY FOR USE BY CONSTRUCTION
7.
ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL
TRAFFIC
TIMES DURING LAND DISTURBING ACTIVITIES AND DURING S17E DEVELOPMENT UN77L FINAL
STABILIZATION IS ACHIEVED.
3.05 SILT FENCE & SUPER SILT FENCE.,
&
DURING DEWA7ERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING
A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYN7HE77C FILTER FABRIC STRETCHED ACROSS
DEVICE.
AND ATTACHED TO SUPPOR77NG POSTS AND ENTRENCHED, TO INTERCEPT AND DETAIN SMALL
9.
THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL 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 7HE SITE, AND TO DECREASE THE VELOCITY OF SHEET FLOWS
MAINTAIN THE EFFECTIVENESS 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 WI7H 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. EAR774 FILL SHALL BE
MAINTAINED IN ACCORDANCE WITH 774E VIRGINIA EROSION &SEDIMENT CONTROL HANDBOOK
INERT MATERIALS ONLY FREE OF ROOTS STUMPS WOOD RUBBISH AND OTHER 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 K17H SECTION 13-301 OF THE
A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM DRAIN DROP INLET OR
CODE OF ALBEMARLE.
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 7HE DISTURBED AREA. INLET PR07EC77ON APPLIES WHERE STORM
LIMITED TO THE HOURS OF 7.•00 AM TO 9:00 PM.
DRAIN INLETS ARE TO BE MADE OPERATIONAL BEFORE PERMANENT STABILIZATION OF 7HE
15.
BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER 774AT 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 7RAPPING 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
07HER PORTION OF THE PROPERTY.
TEMPORARILY DIVERTED TO PR07ECT DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT ON S17E
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 K17H PROPER MAINTENANCE.
OF ANNUAL RYGRASS AND CEREAL WINTER RYE, OR IN MARCH AND APRIL TO CONSIST OF
311 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 80LBS/100SF. ALTERNATIVES 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 TON 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 07HIN 7HE 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 07HER RIGHTS -OF -WAY WHICH ACCOMMODATE VEHICULAR
OF NUTRIENT MIX. PERMANENT SEEDING SHALL BE AT 180LBS/ACRE AND
TRAFFIC.
A 10-20-10 APPLIED
CONSIST OF 95.E KENTUCKY 31 OR TALL FESCUE AND 0-5% PERENNIAL RYGRASS OR KENTUCKY
313 TEMPORARY SEDIMENT TRAP:
BLUEGRASS STRAW MULCH IS TO BE APPLIED AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO
A TEMPORARY PONDING AREA FORMED BY CONSTRUC7ING AN EARTHEN EMBANKMENT WITH 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 50% OF THE WET STORAGE VOLUME IS FILLED K17H SEDIMENT. ALL
WILL BE USED NO LONGER THAN 18 MON7HS, AND IT MAY BE CONSTRUCTED E17HER
INDEPENDENTLY OR IN CONJUNCTION NTH 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 COLLECTING 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 CONSTRUC77NG AN EMBANKMENT OF COMPACTED SOIL ACROSS A DRAINAGEWAY. TO DETAIL
DAYS OF FINAL SITE STABILIZA TON, 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 7HE MAJORITY OF THE SEDIMENT TO SETTLE OUT. APPLIES BELOW DISTURBED AREAS WHERE
21.
THE E&S INSPECTOR HAS 774E AUTHORITY TO ADD OR DELETE E&S CONTROLS AS NECESSARY IN
THE TOTAL CONTRIBUTING DRAINAGE AREA IS EQUAL TO OR GREATER THAN 7HREE ACRES 77-IERE
THE FIELD AS SITE CONDITIONS CHANGE. IN ADDITION, NO SEDIMENT BASIN OR TRAP CAN BE
MUST BE SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY FOR 7HE CONSTRUCTION OF A
REMOVED WITHOUT WRITTEN AU774ORIZA770N.
TEMPORARY IMPOUNDMENT
J..18 OUTLET PRO7EC77ON.-
STRUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPA77NG 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 CONCEN7RA7ED STORMWA7ER
FLOWS APPLICABLE TO THE OUTLETS OF ALL PIPES AND ENGINEERED CHANNEL SECTIONS.
J..19 RIPRAP.' TABLE 3.39-A
A PERMANENT EROSION -RESISTANT GROUND COVER OF LARGE LOOSE ANGULAR STONE WITH
F FILTER FABRIC OR GRANULAR UNDERLINING. TO PROTECT THE SOIL FROM THE EROSIVE FORCES OF ADHESIVES US ED OR DUST CONTROL
CONCENTRATED RUNOFF, SLOW 774E VELOCITY OF CONCENTRATED RUNOFF WHILE ENHANCING THE
P07EN77AL FOR INFIL77?A770N AND TO STABILIZE SLOPES K17H SEEPAGE PROBLEMS AND / OR
Water Application
NON -COHESIVE SOILS. USE WHEREVER SOIL AND WRIER INTERFACE AND THE SOIL CONDI710NS
WATER TURBULENCE AND VELOCITY, EXPECTED VEGETATIVE 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 W1774
APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS TO REDUCE EROSION AND SEDIMENTATION BY
STABILIZING DISTURBED AREAS 7HAT 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 PR07EC77ON 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 SELEC77ON OF THE MOST APPROPRIATE PLANT MATERIALS TO IMPROVE WILDLIFE
HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF CONSTRUCRON ACTIVITIES, ALL
AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER.
338Ef PRESERVADN AND PRDCDN'
PR07EC77ON OF DESIRABLE TREES FROM MECHANICAL OR 07HER INJURY DURING LAND DIS77JRBING
AND CONSTRUCTION ACTIVITY. TO ENSURE 774E SURVIVAL OF DESIRABLE TREES WHERE 774£Y WILL
BE EFFECTIVE FOR EROSION AND SEDIMENT CONTROL, WATERSHED PROTECTION, LANDSCAPE Source: Va. DSWC
BEAUTIFICATION, DUST AND POLLUTION CONTROL, NOISE REDUCTION, SHADE AND 07HER
ENVIRONMENTAL BENEFITS WHILE 7HE LAND IS BEING CONVERTED FROM FOREST TO URBAN -TYPE
USES. APPLIES IN TREE -INHABITED AREAS SUBJECT TO LAND DISTURBING ACTIVITIES.
Uuz�I uUIVTKUL: 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
CONS7RUC7ON. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH 774E VESCH.
TABLE 3.31-B
ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS
"QUICK REFERENCE FOR ALL REGIONS"
Planting Dates
Sept. 1 - Feb. 15
Feb. 16 - Apr. 30
May 1 - Aug 31
Source: V& DSWC
Species
50/50 Mix of
Annual Ryegrass
(Lulium mulfi-florum)
Cereal (Winter) Rye
(Secale cereale)
Annual Ryegrass
(Lolium multi-florum)
German Millet
(Setaria italics)
Rate
(lbs./acre)
50 - 100
60 - 100
50
1. SET POSTS AND EXCAVATE A 4"X4"
TRENCH UPSLOPE ALONG THE LINE
OF POSTS.
FLOW -I l L-
i -I i 4
J. ATTACH THE FILTER FABRIC TO
THE WIRE FENCE AND EXTEND
lT INTO THE TRENCH.
I
-III-
I-III
2. STAPLE WIRE FENCING TO
THE POSTS.
4. BACKFILL AND COMPACT THE
EXCAVATED SOIL.
EXTENSION OF FABRIC AND WIRE INTO THE TRENCH.
SUPER SILT FEN
ssF (WITH WIRE -BACK o5-
NO SCALE
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 CONSTRUC770N WI774 774E PROPOSED
PUMP-AROUNDS TO CONTROL SURFACE DRAINAGE. TEMPORARY SEEDING WILL BE USED
ESC MEASURES FOLLOWING PLAN APPROVAL, WHICH IS ANTICIPATED TO BE IN 774E WINTER OF 2021-2022. 774E WORK IS
IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE ACTIVITIES TEMPORARY STOCKPILE
ANTICIPATED 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 EXISTING ROADWAY, POLO GROUNDS ROAD, LOCATED IN ALBEMARLE COUNTY OFF
ROUTE 29 - TRAIL.
SITE AND SHALL BE STABILIZED WITH A TEMPORARY VEGETA77VE COVER. PERMANENT
ADJACENT AAREAS:
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
NOR774 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.
OFFSITE LAND DISTURBANCE."
TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT
OFFSITE LAND DISTURBANCE /S LIM17ED 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 DESCRIP77ONS ON THIS PAGE, AND THE PHASE I ESC PLAN FOR THE BOUNDARIES.
OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. 774ESE MEASURES, AND
CRITICAL AREAS.
774E FOLLOWING ARE PROPOSED:
'
EXISTING STEEP SLOPES AND MUL77PLE STREAM CROSSINGS STREAM AREA LOCATED ALONG THIS PORTION OF POLO GROUNDS
ROAD. THESE AREAS ARE CONSIDERED TO BE CRITICAL AREAS THE CONTRACTOR SHALL GIVE EXTRA ATTENTION AND CAUTION
IN AND AROUND THESE AREAS TO ENSURE SEDIMENT IS NOT DEPOSITED ON THEM OUTSIDE THE SCOPE OF THE PROPOSED
3.01 SAFETY FENCE- TO DISCOURAGE ACCESS TO A PAR77CULAR AREA.
PLAN. TREE PR07EC77ON FENCING, SILT FENCING, DIVERSIONS AND SEDIMENT TRAPPING 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 774ESE CRI77CAL AREAS ARE MAINTAINED.
PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF.
SEQUENCE OF CONSTRUCTION:
3.03 CONSTRUC770N ROAD STABILIZATON - TO REDUCE THE EROSION OF TEMPORARY
1. CONTRACTOR SHALL NOTIFY THE ALBEMARLE COUNTY COMMUNITY DEVELOPMENT ENGINEERING DEPARTMENT TO
ROADBEDS BY CONSTRUCTIONSUBSEQUENT TRAFFIC AND TO REDUCE THE EROSION AND SUBSE DENT
SCHEDULE A PRE -CONSTRUCTION MEETING.
REGRADING OF PERMANENT ROADBEDS BETWEEN THE TIME OF INITIAL GRADING AND FINAL
2. PRIOR TO DISTURBANCES THE LIMITS OF DISTURBANCE SHALL BE FLAGGED AND THE TREE PROTECTION FENCING SHALL
BE INSTALLED. ADDITIONALLY, THE 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 THE CONSTRUCTION PROCESS WITHOUT THE APPROVAL FROM
3.05 SILT FENCE- SILT FENCE IS PROPOSED, WHERE SHOWN ON THE PLANS.
THE INSPECTOR ON THE PROJECT.
3.07 STORM DRAIN INLET PROTECTION- INLET PR07ECT0N IS PROPOSED ON INLETS,
4. INSTALLATION OF THE PROPOSED CONSTRUC770N ENTRANCES SHALL OCCUR NEXT. THE CONTRACTOR SHALL MODIFY THE
WHERE SHOWN ON THE PLANS.
EXISTING GRAVEL ENTRANCES ALONG POLO GROUNDS ROAD TO MEET THE MINIMUM CONSTRUC770N 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 PR07ECTION-OUTLET PROTECTION 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 EXIS77NG 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) 7RACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS
338 TREE PRESERVATION AND PROTECTION TREE PROTECTION lS PROPOSED WITH THIS
TRANSPORTED ONTO A PUBLIC ROAD SURFACE, THE ROAD SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY.
GRAVEL CURB INLET SEDIMENT
FILTER
GRAVEL FILTER
RUNOFF WATER
WIRE MESH
fILTERED WATER
����IIIIIIIIII o
e
//g
r
- m
J
SEDIMENT 1 - c
CONCRETE GUTTER
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 DA"GE TO ADJACENT STRUCTURES AND UNPROTECTED
AREAS.
* GRAVEL SHALL BE V30T g3• g357 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 TRANSPOR77NG TO A SEDIMENT
CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED /N THIS MANNER. Source: Va. DSWC Plate 3.07-6
3.39 DUST CONTROL -DUST CONTROL IS REQUIRED AND PROPOSED WITH THIS PLAN. 5. THE INITIAL ESC CONSTRUCTION MEASURES, AS SHOWN ON THE 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 THE PHASE l ESC PLAN. PERIMETER MEASURES INTENDED TO TRAP SEDIMENT SHALL BE
CONSTRUCTED AS A FIRST STEP WI7Hl 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 CONTRACTOR 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 EXIS77NG ROAD CULVERTS, AND INSTALL THE PROPOSED ROAD DRAINAGE SYSTEMS AS SHOWN ON THE PHASE l ESC
RAINFALL. MONITORING REPORTS WILL BE REQUIRED FROM THE RLD IF NEEDED. SPECIFIC PLANS. SEE THE ESC PLAN SHEETS FOR THE PUMP -AROUND CONSTRUCTION SEQUENCING.
ATTEN770N WILL BE GIVEN TO THE FOLLOWING ITEMS., Z AFTER THE NEW ROAD CULVERTS ARE INSTALLED AND OPERATIONAL, AND THE ESC INSPECTOR HAS GIVEN APPROVAL, THE
a.SEDIMENT BASINS AND/OR TRAPS WILL BE CLEANED AND MAINTAINED IN ACCORDANCE CONTRACTOR SHALL PROCEED TO CLEARING OF THE S17F AND THE PHASE l ESC GRADING. ANY REMAINING EROSION
WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK.
CONTROL 17EMS AS SHOWN ON THE PHASE I EROSION CONTROL PLAN SHALL ALSO BE CONSTRUCTED AT THIS TIME.
GENERAL SLOPE (311 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 THE PHASE l ESC CONSTRUCTION, THE CONTRACTOR CAN
TOTAL LBS
PREVENT PROPER DRAINAGE. IF 774E GRAVEL IS CLOGGED BY SEDIMENT, THE GRAVEL
PROCEED TO PHASE ll OF THE 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 S17E TO THE CONTOURS SHOWN ON THE PHASE 11 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 WITH ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE
SEASONAL NURSE CROP 20 LBS.
DETERIORATION OF 774E FABRIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL BE
FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE.
150 LBS
REMOVED WHEN THE LEVEL OF SEDIMENT DEPOS177ON REACHED HALF WAY TO THE TOP
9. 174E CONTRACTOR SHALL INSTALL ANY REMAINING EROSION CONTROL 11EMS AS SHOWN ON 174E PHASE ll EROSION
SEASONAL NURSE CROP
OF THE 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 11 EROSION CONTROL ITEMS HAVE BEEN INSTALLED & ARE OPERATIONAL, THE S17E /S ROUGH
MAY t THROUGH AUGUST 15 FOXTAIL
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 THE SWPPP,
174E CONTRACTOR CAN BEGIN INSTALLATION OF THE UTILITIES CURB AND GUTTER AND PAVED ROAD. INLET PR07EC77ON
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 THE STORM SEWER IS CONSTRUCTED. INLET PR07EC77ON SHALL BE INSPECTED AFTER EACH
NOTES:
OWNER MAY BE CONTACTED. UPON COMPLETION OF THE PROJECT, THE OWNER WILL BE
RAINFALL EVENT AND REPAIRS SHALL BE MADE AS NEEDED. IF THE STONE FILTER BECOMES CLOGGED K17H SEDIMENT SO
RESPONSIBLE FOR S17E MAINTENANCE.
THAT IT NO LONGER ADEQUATELY PERFORMS ITS FUNCTION, THE 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 K17HIN SEVEN DAYS AFTER FINAL
GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN
2. 2. SEEDINGS TO BE MULCHED IMMEDIATELY UPON COMPLETION
DAYS TO DENUDED AREAS THAT 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
THAN ONE YEAR.
PS
12. THE CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND
NO SCALE
- ALL VEGETATIVE AND STRUCTURAL EROSION AND
ES-1: UNLESS OTHERWISE INDICATED
SEDIMENT CONTROL HANDBOOK REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN
SEDIMENT CONTROL PRACTICES 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 CONTROL 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 THE TEMPORARY MEASURES ARE NO LONGER NEEDED UNLESS OTHERWISE AUTHORIZED BY THE
SEDIMENT CONTROL REGULATIONS.
LOCAL PROGRAM ADMINISTRATOR. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESUL77NG FROM THE DISPOS177ON
ES-2: THE PLAN APPROVING AUTHORITY MUST BE N077FIED ONE WEEK PRIOR TO THE
OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENT4770N.
PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND
DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION.
SOIL DESCRIPTION
ES-3:ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS
THE FIRST STEP IN CLEARING.
SOILS ON -SITE ARE CURRENTLY AS FOLLOWS:
ES-4:A COPY OF THE APPROVED EROSION AND SEDIMENT C0N7ROL PLAN SHALL BE
MAINTAINED ON THE SI7F 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 OTHER 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 LIM17ED TO, OFF -SITE BORROW OR WASTE
AREAS THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN
)•
340-GLENELG LOAM-15 TO 259 SLOPES. SOIL IS TYPICALLY WELL DRAINED WITH A HIGH RUNOFF CLASSIFlCATON, SURFACE LAYER
TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITX
S TYPICALLY LOAM AND ABOUT 0-6" THICK. THE DEPTH TO THE WATER TABLE IS GENERALLY MORE THAN 80".
ES-6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION
CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTA77ON AS
39C-HAZEL LOAM-7 TO 159 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 77MES DURING LAND DISTURBING ACTIVITIES AND DURING SI7F DEVELOPMENT UNTIL
390-HAZEL LOAM-15 TO 257 SLOPES. SOIL /S TYPICALLY EXCESSIVELY DRAINED WITH A MEDIUM RUNOFF CLASSIFICATION.
FINAL STABILIZATION IS ACHIEVED.
IS TYPICALLY AND ABOUT THICK. THE TO THE WATER TABLE IS MORE THAN
ES-8: DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED WATER
SURFACE LAYER LOAM 0-10" DEPTH 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.usda.gov/oppIWebSoilSurvey.ospx
BE MADE IMMEDIATELY.
3.05 1992
3.11 Paved construction entrance for erosion control plans 1992
CONSTRUCTION OF A SILT FENCE
(WITHOUT WIRE SUPPORT)
1. SET THE STAKES. 2. EXCAVATE A CX C TRENCH
UPSLOPE ALONG THE LINE OF
STAKES.
FLOW -
-III
4.
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
I I
--- / A A
FLOW B
/ IIIIEMMII 111 11111141011111 \
POINTS A SHOULD BE HIGHER THAN POINT 6.
DRAINAGEWAY INSTALLATION
(FRONT ELEVATION)
Source: Adapted from Installation of Straw and Fabric Filter
Barriers for Sediment Control. Sherwood and Wyant
Plate 3.05-2
Source: Va. DSWC
Plate 3.11-1
STONE
70' MIN.-
CONSTRUC'l04
ACCESS I
3• SV-2A ASPHALT TOP
COURSE
!, .. ... AIE
BASE
PROFIL
70' MIN.
S`JtL
CONSTRUCTION
ASPHALT PAVED
ACCESS -�
WASHNACN
r
EXISTING
.^
21E
PAVEMENT
12% 12' WIN
'MUST EXTEND FULL WIDTH
ITNE DRAINAGE
�/ TO
TO SEDIMENT
SEDI
OF INGRESS AND EGRESS
��
TRAPPING DEMCr
OPERATION
PLAd
12' MIN.
SITIVE DRAINAGE
TO SEDIMENT
_-
--
TRAPPING DEVICE
A mulutwall wale tap of I inch naW be ut: Called lath a n anunlu 1 Inch balk cock
shhwofll ah a atpphnTu a waIcb It"e oath a thaweta of 1 5 Inches tot adecpaale
c0a41atW plesslae. Wash wAle1 RPM be Lamed awa\ 111101111 ate etlbance to all
approt•ed seltlule at ea to Iauot•e snluuall .all sLvWuad �hnll be pI eeatted Van
adamg Stolen drams. ddcbeS of w'atacolases.
PAVED WASH RACK
DRIP UNE
SNOW FENCE
BOARD FENCE
TABLE 331-A
LIMING REQUIREMENTS
FOR TEMPORARY SITES
Recommended Application
pH Test of Agricultural. Limestone
Wow 42 3 tons per acre
42 to 5. m per 2 2 tor acre
52 to 6 1 ton per acre
Source: Va. DSWC
FENCING AND
CORRECT"•DOF
RING
.� ��+� CORRECT TRUNK ARMORING
TRIANGULAR BOARD FENCE
Source: Va. DSWC
3.38
Plate 3.38-2
SCOTT/R. CULLINS'Z
Lic. No. 035791
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\ \ \ \ DETAIL 5.1: PUMP -AROUND PRACTICE y TYPE I / /\� I XISTING PROPERTY LINE (TYP.) l\ PROPOSED PAVED CONSTRUCTION \ SHARLESR.&ELIZABEEH-MNOGLESBY
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I I I 39 D PROTECTION WITH FILTER FABRIC UNDERLAYMENT \ I I \ \ C RACK &DOWN GRADIENT SEDIMENT \ SOIL- — ' D'B' 1333, P. 450 / COD SCOTT R. LINSZ
y6 p \ TRAPPING DEVICE TO TREAT FLASH \ z .92-ACRES U L1C. N0. 035791
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� I I \ UNOFF FROM VEHICULAR WASHOFF -TYPE
Dewatering Device y — / h LOCATION OF SANDBAGS O \ \\ — — _ — — — d 12/27/21
\ \ — IVA E&S Standard and Spec. 3.26 Diversion Pump I I I 1 \ \ EXIST1NG1z SANITARY SEWER TO REMAIN_ — =39D — / / / ��•��, 1'
S \ \ or dirt/sediment bag) I I NOTE: PUMP -AROUND SHALL BE USED TO REMOVE I \ — \ --SSIONAL E�yC
!O \ I \\ \ — I I �� I EXISTING z4" CMP CULVERT &INSTALL PROPOSED I I \ \ \ _ EXISTING TREELINE (TYP.) — — — — = — -LIMITS OF DISTURBANCE (TYP.
3 \ \ 0 Discharge Hoses ti — — — _
\ \ \ P Intake o" RCP PIPE SYSTEM. SEE DETAIL ON THIS SHEET. 1 \ \ — s- �- —
�� \ \ \ \ \\ \� Dewatering Pump Hose I I I I I / / \ \ \-� —�`- _ _ — — — — — �
P (as needed) / _ —
2 �6 ` o I\ \ I �— CONCRETE—
G \ \\\ — A A r LIMITS OF DIS IURBANCE �PJ \ / / _ \ \ — — — — — — _ E
Flow — - — / \\ — — — EXISTING EDGE OF PAVEMEN I I BE
Work Area -� — — — — — EMOVED &REPLACED WITH THE — =
3-7B — _EXISTING RIW (TYPJ F \ RWD CRS LLL�
\ — IMPROVEMENTS TO POLO GROUNDS ROAD\-
- Sandbag/Stone Barrier�
\ e
\ \ Work Area Sump -hole \ �.- z z
Or Pool` EXISTING POLO GROUNDS ROAD � = 370
Discharge Pump Length Not To Exceed \ — , S � � �
2 3.20 nto Velocity That Which Can Be 12" Min Depth PHASE i IMPROVEMENTS
_ - — — /b vb
_ Dissipater Completed In One Day 2' Min Diameter -- — — J _---\ 1 ---- - J g g
W - W--- D _. 27+0°' _ O 0
ROCK CHECK DAM — PLAN _ w w- I CD +� STATE ROUTE 643 POLO GROUND ROA� ° \ \ \ o 0
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EXISTING FIRE HYDRANTp In
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FILTER CLOTH 3 Base Flow + 1 Foot __ i - -� O GROUNDS ROA - - _ \ �— \ �' _-_-__-°\: F�1 �, Z m m
(OPTIONAL) Work Are a 12 Foot Minimum) STA - TE 6ct�"T \ J \ \\
TE ROU _ Z TS EXISTING EDGE OF — — _ \ w
/ -- �PAVEMENTTOREMAIN_ — — —
(DOWNSTREAM VIEW) TP / — / ' Q �� Oo
Cross Section Of Sandbag/Stone Diversion
vooT q1 EXISTING GUARDRAIL f — O o0 9 0 / / / o \ \ I > > >
(�'/ SF TO REMAIN Do / (Da \ - W w w
COARSE AGGREGATE SECTION A -A \ j SF I \ O 0/ / / / / / / / / �' \ \ \ �' Q_ \ -
FLOW 2y a• \ '--- ___ LOCATION OFSANDBA.S ' / / / / \ \ \ \
DEWATERING DEVICE \
Adapted From SOIL _ -- -_ OO \PROPOSED VDOT CL. A3. RIPRAP LINED OUTLET / \ \ \ SOIL
Maryland's Waterway -TYPE Opi PROTECTION WITH FILTER FABRIC UNDERLAYMENT—
Construction Gudielines — — \ \ / r 6� \ L=12', W1=8', W2=14, D=1' MIN. _ y�' �� I f` �. / TYPE_
2-10 ACRES OF DRAINAGE AREA: TEMPORARY, INSTREAY o,,,,, ",",o,", . , , ,o ,., o�" ,., \ 39D — \EXISTING too -YEAR FLOODPLAIN (TYP. / _ \ , \ Oo I ` / / / i / ♦ / / \ . \ \ \ \ 2C111
m EXCAVATE SUMP HOLE OR IDENTIFY EXISTING POOL UPSTREAM OF THE WORK AREA. \ v \ SOIL LINE (TYPJ
21
INSTALL VELOCITY DISSIPATER DOWNSTREAM OF THE WORK AREA. PROPOSED
\ \
RIPRAP OUTFALL SHALL SERVE AS VELOCITY DISSIPATER
\ —
81
SET UP PUMP AND HOSE/PIPE.
\
\
$1
INSTALL UPSTREAM AND DOWNSTREAM BARRIERS AND START PUMP.
•�
&
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
Z
RESTORE/REPAIR IMPACTED STREAM AREAS.
' `
\ TYPE
CROCKETTCORRPORATION v
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16
TMPo4600-oo- oo-oi8Co
79.5o ACRES — -
DB 624, PG 193
Source: Va. DSWC Plate 3.20-1 / v
v \ \\=\ STMP0460060- o-o18Ao
HARLES R. & EL-ANN OGLE/SBY
HAUGH �AA# V
SOIL-- D.13.1333, P.450" �// /
29.92ACRIES
TYPE
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/GRAPHIC'`SCAL�E
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- / / / \ \ \ \ \ / 3° / / / ° \T5 °\ \ 6°
\ \
D D LIMITS \ ISTURBANCE(TYP. \ \ \ \ \ —4-0-2/
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—CRS _,_� / \ \ \
JAB - ��_,____��_ // \ / \ V A \ \ V - 39D
------- EXISTING EDGE OF PAVEMENT TO BE \ \ NOTE: PUMP -AROUND SHALL BE USED TO REMOVE
EMOVED & REPLACED WITH THE \ EXISTING 18" CMP CULVERT & INSTALL PROPOSED
IMPR\ EMENTS TO Polo GROUNDS ROAD \ \ 30" RCP PIPE SYSTEM. SEE DETAIL ON THIS SHEET.
/ / / 1992 3.08 ¢ k r4
\ / / 00 `i r4
J � /
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v /
TYPE]
95
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TYPE,
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SOIL LINE (TYP.) / *A**
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CHARLESRw 8rELIZABETH ANN OG4S8Y
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XISTING TREELINE (TYP.)
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LOCATION OF SANDBA - --- __ _
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XISTING 12" SANITARY SEWER TO REMAIN _ -- -- �_ / / / �V A ' ' i ' /� �� /�� / / /
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/ PROTECTION WITH FILTER FABRIC UNDERLAYMENT \ \ \ \ \ \ �� �j' o o — _ _ = 3i i % j DEWATERING DEVICE % ' / SOIL 0 _ O O O o 00 (� �� ® CoJ _ a to
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EXISTING GUARDRAIL / TYPE JOB NO.
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39D IS 182150
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/ EXISTING too -YEAR FLOODPLAIN (TYP. — _- _ _ - - TMP orf6oe oo eo or8Co -- _ — _ — -5� / _ OP3 LOCATION OF SANDBAGS SCALE
- -- - _ - - -- -- 79.5oCRES — _- -- "TYPE;rr
-D824 PG �3 \ _ PROPOSED VDOT CL. Al RIPRAP LINED OUTLET / �� / 1 -,30
PROTECTION WITH FILTER FABRIC UNDERLAYMENT / Ej
- - — — — - \ _ L=1 1= 2= = MIN. _ - � � � SHEET NO.
,
1992 3.18
PIPE OUTLET CONDITIONS
A A
3dD ___-_-_--___ "
dD
------------- '--- PIPE OUTLET TO FLAT
AREA WITH NO DEFINED
CHANNEL
PLAN VIEW
k L a
0 R �
d
1-
SECTION A -A FILTER CLOTH KEY IN 9'-9"; RECOMMENDED FOR ENTIRE PERIMETER
A (MIN.)
dD
-------------
PIPE OUTLET TO WELL
DEFINED CHANNEL
PLAN VIEW 1
L D o R
d
N A -A SECTION 7
FMTER CLOTH KEY IN C-9': RECOMMENDED MR ENTIRE PERD/ETKR
NOTES: 1. APRON LINING MAY HE RIPRAP, GROUTED RIPRAP, GABION
BASKET, OR CONCRETE.
2. Ia 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
�ROOIa�TjM O46 ER A54OC A ON INC. EXISTING PROP/(TYP\),
D.B. 5 ER AG, 303
N PROPOSED C \ — — — OF
TMPoy600-o0 00-0>
N o
L0�+43J0 i5 CY DUMPSTER � �
I \ I NTRACTOR \ SOIL I I W D�
0 SO.7z A goom
RE6 LOCATION OFF ELING AREA \ PARKING &STAGING AREA— EXISTING ioo-YEAR FLOODPLAIN (TYP.) -SOIL/- Iv "�� �� I d ( I THE FUELING TANK SHALL BE OMPLETELY S RRO�UNDED BY A z' DEEP, z' WIDE-� A \ TYPEyTYPE I I \ EARTHEN BERM WITH A HEAVY MIL POLYETHYLENE LINING, OR BE PLACED IN AN \ \ \ 1 LOCATION OF POR A -POTTIES — �\ f / SCOTTLINSZ
��/ SOILA\\ 39C ��` / / I W-. � Lic. No. 035791�27C / h I I IMPERVIOUS OPEN -TOP DUMPSTER. THE PROPOSED BERM OR DUMPSTER SHALL \ I Oo \ I CONTAIN FUEL IN THE EVENT OF A SPILL. CONTRACTOR SHALL ENSURE VOLUME RS P POSE PAVED CONSTRUC \ \� \ / 4
TYPE I 1 I I I I 19
O\� U / C�PA,CITY IS io°h LARGER THAN THEM XIMUM VOLUME OFSTOR�D FUEL. / \ \ ENTRANCE (izX7o' MIN.) w/ WASH /� \ �' / / / / / / o. �o�ss 2/27/21�G �
*t \ \ RACK & DOWN GRADIENT SEDIMENT PORTION OF EXISTING zi' SANITARY , �� / / ti
I EXISTING TREELINE (TYP.) TRAPPING DEVICE TO TREAT FLASH SEWER TO BE REMOVED & REPLACED `IMP oy600"oo-oo-pp�B8 /
I \ I / A \ I r `CROCKEtt CORPCTRATION-
y
� v
/ I I I \ \ a \ - RUNOFF FROM V HICUL WA! / / � ��
_ \ / D43. 5346, P1G. 256/
�HARLES'R� & ELYZABFTH ANN I J L iig.69 ACRES/ �
\ \ l 1 ' PROPOSED VDOT CL. Al RIPRAP LINED OUTLET \y w
LESBYHAUGH I I III I ` I I EXISTING \ ENT-\ \ `, �� \ \ -� / /EXISTING PROPERTY LINE (TYPJ W
_ _ /K
D.B. 1333, P. 4 o I I I I I`I I I I / / PROTECTION WITH FILTER FABRIC
zo', WE3'LD iMMIN. S \ \ /
z ACRE5 I I I , I \ I I / / y \ NOTE: PUMP -AR UND SHALL BE USED TO REMOVE' y W y W W W
% \ / /EXISTING STREA
/ / �/ / / / j� I I I I I I I II I A� I I /� % ���� OP EXISTING y8" CMP CULVERT& INSTALL PROPOSED (z) /
\ � SOIL LINE (TYPJ/ �/ I I � I \ \ \\ \ \ � I I I I EXISTING z" SANITARY SEWER- EMAI — � � IP iTOPE ` f \ \ \\ � ` � � 30" RCP CULVERTS. SOIL Ts
DETAIL ON THIS SHEET.
TION OF SANDBAGS
NOTE: PUMP AROUND SHALL BE USED TO REMOV / O / / — r \— — _�— _ o rtS W W U) U)
EXISTING 72"CMP CULVERT &INSTALL PROPOSED DUAL / / —\� EXISTING R/W (TYP. ` \ Oo TYPE Oo PORTION O z z
x RC PIPE CULVERT. SEE DETAIL ON THIS SHEET._ l i / i 16 �` _ii G — 5 \ \\ - \ O I �Oj —� — / SEWER TO w w
5' S' > / x i _� �� vv v / A 00 00 �W � �
i y
LOCATION OF SANDBAGS / x % % ' \ I — — W /' o 0
/ / FF C� CONCRETE WASHOUT AREA _ — \=`s _ _ -- - _ - y�y z
/ \ �ii ' ii _ A A \ - 4 0 J
EXISTING ioo-YEAR FLOODPLAIN (TYP. o \ , / STALL-'( )xio'(W) RC PIPE CULVERT _ _ \, \ y W
SOIL �/ / % , \ - / �� �� _ _ EXISTING EDGE OF PAVEMENT BE �D / �/�
I X // / / / /� / / / �� i / i i� / �� SF REMOVED & REPLACED WITH THE P \// V O O
/TYPE / v�i v� /�/ v// // / - �' SE Z o
+— — IMPROVEMENTS TO POLO GROUNDS ROADGO
-
- P \ W z a a
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Vz_/ — B 35 - - TO BE REMOVED �� x i s
/LIMITS OF DISTURBANCE (TYP. - / / / �I x
— — � — —'� � ��' � j �� �/✓/ j ��-- � P�AROUND I �x�
` — — ------ — �� PUMP -AROUND SF E- W w w
— = EXISTING EDGE OF PAVEMENT TO BE i I / _ — — — D \ EXISTING 48" CMP CULVERT- �M NUNN
CC
— — — �38p- ' REMOVED & REPLACED WITH THE / i / UNDS ROA _ TO BE REMOVED & REPLACED li
�— i -
- 3 --IMPROVEMENTS TO POLO GROUNDS ROAD -��' CRS `� OLO GPQ — E
E64 — W
— i — — - —
STATE RQUT 3 P
' x -
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DEWA ERINGDEVICE
\ / EXISTING EDGE OF \ w N
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—�- - 1
r — \ • Oo Oo Oo \ o o '� / - —__-��IMITS OF DISTURBANCE TYP.),\ \ \ C Cbi \ ,
\ WIDENED IN THIS AREA ��� \ N
O = //— — _ / — / BM 3 i- O + \ \ \ \ \ \SOIL EXISTING GUARDRAIL + SF
EXISTING \
rn® -�-� / o — — — — _ _ _ ,S61L/ / / a� vvv SF \ V A \ TYPEv TO REMAIN S \
--- -/ —SOIL- '�
— — — -TYPE— / V �� A \ \ 9D I LOCATION OF SANDBAGS
° — _ — — — — 34D - ' TYPE /o - PROPOSED VDOT CL. Ai RIPRAP LINED OUTLET \ \ \ \ I L
EXISTING EDGE OAF _ _ / 1 G \\ PE PROTECTION WiTIO WWIio', DLi MIN. TER FABRIC UNDERLAYMENT ` \ PROPOSED VDOT CL. i RIPRAP LINED OP] I \ N
\ \
— - PAVEMENT REMAIN SF � � \ \ � NED OUTLET � ` DEWATERING DEVICE �
- CR CKETTFORPORATiON� _
_ — — — — — - �— — — — —0
--- ' L ATI N F ANDBA \ \ \\ \ \ PROTECTION WITH FILTER FABRIC UNDERLAYMENT }
—_ — TMPoy600-o0-oo-oi8Co O \\ �
SOIL —EXISTING TUARDRAILO REMAIN _ — --- 7g.5o ACRES \ O{� \ \ \ �\ ` % \ \ L=So', Wi i5', Wz=zo', D=1' MIN. \ I M 7�
— — — — — — — DB 6z PG i - PROPOSED VDOT CL. i RIPRAP LINED OUTLET \ \ \ \ / I 1 XISTING PROPERTY LINE (TYP.) (yi Z
TYPE — — — I ♦ 4, 93 _ A \ \V N 00� , A \
` PROTECTION WITH FILTER FABRIC UNDERLAYMENT \PROPOSED VDOT CL. i RIPRAP LINED OUTLET l \
/ 39D ` ' L=45, W1=30', W2=55, D=i' MIN. \PROTECTION WITH FILTER FABRIC UNDERLAYMENT ' \ \ \ I I XISTING STREAM N
` L=z8', W1=zo', Wz=zo', D=1' MIN. I \It
v1OVED & REPLACED- ' ' — MP Oy60 -00-00-QQ 9B8 / W ' now
/CROCKE3 f CORP(�RATIODI W W ��� I I I I I I '� �� \ A \ \ GAP C SCALE
\ �� / D(3.5346,P`G.z56/ Col WW ,Wy W.Wyd I I I I I I II I I\ \\ \ \ \\\ \\ \ \ \ \ \ \ ��� ��—I—_�// / / / //// //// / /�/ N w
' � I I \
\ / ii 6 ACRES / W W W y W\I \ \ \ \o �5 \ 30 \ ao — _ — / -
\ \ -PROPERTY NE (TYP. y I I I I \ \ \ // / / / / / / CA
TE: PUMP -AR UND HALL BE U EDT REM VE EXI/EX STING STREAM W W y y W y 'I 1 II I I I \ \ \ \ \ \ I \ \ / / / / / /�/// /// / / CIA
a
\ /
/ / fPi I \ \ \ I V V� ( IN�EET
iTING 48" CMP CULVERT & INSTALL (z) o W: " W W W W y ' W W y I I I I \ \ \ \
\ V \ in 30 ft / / /// / /
3o"RCP CULVERTS. SEE DETAIL ON THIS SHEET. / / /` yy W ,W y w W OW i - ( I \ \ \ \ \ \ \ _ _ The Virginia Stream Restoration & �/ /// / /// // /�// / /� Q J
W y - I \ M4NTGOMERYRIDGEOWNERSASSOCIATId[VI�C \ \ \ \ Stabilization Best Management Practices Guide // / / / Q
SOIL _/_ Ts TI NOFSPORTBONOFEXISTINGWzi SANITARY I \ \ C/OWILLIAMJDALTON \ \ \ \ \ \ DETAIL 5.1: PUMP -AROUND PRACTICE i i /// //i / / uj J pO[
W o / III 1 \
o x ' �` TM o-oo-oo- ooAo v ��� — --- --- i // /
\ Oo TYPE — _ po \ I \ \ \ I P oy6D o \ \ v v v i / J
�I 0—�—� _ _ y SEWER TO BE REMOVED &,REPLACED _ / I \ \ \ 4.10 ACRES I I \ \ \ _ _ i / / O P
39 D y / X\ \ I DB yioz, PG 472
\ \ \ \ \ \ \ O R\OGCRI� J O
`s`\ \ 4 _may ./� / — �5 \ \ I I / \ \ \ \ \ -- - - Dewaterin Device \v `\ NP0gL LU U U
\ — "' y✓ l \ ��5 \ \ \ / — \ \ IVA E&S Standard and Spec. 3.26 / / ..`�G w
\--- \/ po s \ \ \ \ \ \ P Diversion Pump / // \ ONE
SF EXISTING EDGE OF PAVEMENTTO BE _ C� / , [ i \ �Sy \ \ \ / or dirt/sediment bag) / / M v R. V /
REMOVED & REPLACEDWITH THE sk PORTION OF EXISTING 8" SANITARY 'C s \ i ' \ \ \ \ / \ P '�
\ \ \ 9 \ DischargeHoses /
IMPROVEMENTS TO POLO ROUNDS ROAD' SEWER TO BIEv[REMOVED & REPLACED
/\yS� i \ \ \ \ \ \ \ �� ` \ \ \ SOIL L ti P Intake j \ ' ■ ® O W
` CAP P ` �5 \ '� \ \ \ppp \ — — \ \ \ \ \ Dewaterin Pump Hose / ♦� e
\ \ W \ s \ G \ \ \ \ \ \ \ ` � — — \ \ \TYPE\ \ \ P (as needed) P \ \ \ Y i N G
\ \ \ \ � \ \ \ \ — 39D \ \
X x s A..:_'A, LU LJ )
x P - s , � \ \ \ \ EXISTING EDGE OF PAVEMENT TO BE ' I \ \ � — \ Flaw ' Flow \ \ \ \ U0
s \ \ \ Work Area -�— /
EMOVED & REPLACED WITH THE �3 \ `— \ \ \ U
IMPROVEMENTS TO. POLO GROUNDS ROAD- \ \ = \ \ \ \ Sandbag/Stone Barrier \
fx—
LU
— PUMP -AR UND SF — � _ \�i _ - -- \ \ 4 \ Y / O
Qp \ \ \ \ \ rea Sum -hole
EXISTING 48' CMP CULVERT— — — \— Work A Or Pool
— \ _� - \ \ Discharge Pum Length Not To Exceed
( TO BE REMOVED & REPLACED ,� — � �t� EXISTING EDGE OF PAVEMENTTO REMAI v v 9 PW
_ _ — — \ \ \ - Into Velocity That Which Can Be 12" Min Depth
w WITHEXISTING SANITARY FLOWABLEFILLEWER �� \ \� I"
" / — _— ` \ \ \ \ Dissipater Completed In One Day 2' Min Diameter \ .\
/ _ \_ \ - \ ----- (�
(,%) c_ ROSSING TO BE ABANDONED
"� PLAN w
—
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LIMITS OF DISTURBANCE (TYP.) ! v� TYPE �f,f LU
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�� � \ � ----- \ \ - - _ _ _ _ Work Area (2 Foot Minimum)
I L WIDENED IN THIS AREA \ `r\ \ \O6 - LL
' \ EXISTING EDGE OF
EXISTING GUARDRAIL + \ SF I \ Al \ \PA EMENTTo REMAIN \ \ \ _ _ _ \ \ \ \ Cross Section Of Sandbag/Stone Diversion \ — __ LU J
IEi TO REMAIN 5 1 \ \ \ \ ` W' \ _ �� _ _ _ _ _ \ \ \ \ \ \ \ \-�a�_____\_
/ L 1 \ \ \ QO —�, _ EXISTING PAVEMENT STRIPING TO BE MODIFIED WITH \ \ SECTION A -A \� '
LOCATION OF SANDBAGS \ 'THE IMPROVEMENTS TO POLO GROUNDS ROAD \ \ -
\ ` \ EXISTING GUARDRAIL IL o \ \�� _ \ ' , _ \ _EXISTING TURN LANE TO BE EXTENDE �ST/�T
I QP] �V 1 I \ TO REMAIN `� SOIL LINE (TYP.) \ \ \ \ ' \ \ \ \ \ \ \ \ Adapted From \ E RO(j 6 \ �
A I \ v y y VVIDT 43 P O
\ ` \ _ \ \ \ \ Mar lands Waterwa
PROPOSED VDOTCL.2 RIPRAP LINED OUTLET DEWATERIN DEVI E \ — _\ \ Construction Gudielines h/e50' OLQ N O
-ECTION WITH FILTER FABRIC UNDERLAYMENT \ y 1Z, \ ` \ — SOIL \ \ \ \ \ ` ` \ \ \ \ \ \ \ ' SPEF GRQU O
5 I \ \ \ ' \ \ TEYP°RARY INSTREAY D•8 DllA•jl ND$ - O
/ i s: \ \ i RBCBYRER 2003 YIRCINIA DEPARTMENT aP CONSERVATION RECREATION
T; —
L= o', Wz i5', Wz=zo', D=i' MIN. I XISTING PR 1 0 \ \ WILLIAM A WELLS \ \ \ \ \ cowsTRucrldN MEASURES \ 481 p �6 45 MP// '4D
\ 1 PROPERTY LINE TYP. \ ` TYPE— \ TMP oy600-o0 ocLoz3Ao \ \ \ \ , \ 3 M w
\ I \ Oo \ `s ^f \ 4.79 ACRES \ \ \ \ \ PMFI-AROUND INSTALLATION GUUI ELINES
EXISTING zi" SANITARY SEWER TO REMAI \ \ 27D D \ \ \ \ \ G ~
XISTING STREAM QO \ \ B 397ZPG 5zo \ \ \ \ 11 EXCAVATE SUMP HOLE OR IDENTIFY EXISTING POOL UPSTREAM OF THE WORK AREA. \ /LU
13 INSTALL VELOCITY DISSIPATER DOWNSTREAM OF THE WORK AREA. PROPOSED \ \ 0 LU
\ EXISTING 200-YEAR FLOODPLAIN (TYP.) \ RIPRAP OUTFALL SHALL SERVE AS VELOCITY DISSIPATER a m
� � p \ \ \ \ \ \ 81 SET UP PUMP AND HOSE/PIPE. _ JOB NO.
4. INSTALL UPSTREAM AND DOWNSTREAM BARRIERS AND START PUMP. \ \ I 182I50
S. USE DE -WATERING PUMP AND DE -WATERING DEVICE TO REMOVE WATER LEFT \
♦ \ \ \ QO \ \ ` \ \ \ \ BETWEEN THE IN -STREAM BARRIERS AFTER PRIMARY PUMP INSTALLATION AND AS \ \
NEEDED DURING CONSTRUCTION.Now I
\ \ \ SCALE
6. COMPLETE IN -STREAM CONSTRUCTION ACTIVITIES AND REMOVE IN -STREAM \ \ \ \ 1 rr=30'
\ BARRIERS.
Oo OO Oo \ \
O O �� O O O O O 0 QO \ \ 71 RESTORE/REPAIR IMPACTED STREAM AREAS. \ \ \
\ z \\ y \ SHEET NO.
V
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So z A `\
AIK SHALL BE,,��MPLETEL 5I GN,
RROUNDED BY A z' DEEP z' WID
EARTHEN BERM WITH A HEAVY MIL POLYETHYLENE LINING, OR BE PLACED IN AN A V A LOCATION OF PORTA-POTTIES \ / / - - \ V / / SCOTT R.
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4_Z
/ PROPOSED ENTRAN E SHALL SERVE AS 0357I91
/ / OPACITIS io% LARGER THAN THEM IMUMVOLUMEOFSTOREDFUE PHASE II CONSTRUCTION ENTRANCE 12/27/21
/ ! IONAL E
EXISTING TREE�INE (TYP.) TIVIP 046o oo-oR�9
/CROCKE�T CORP OATIO`'
/TMPo 600-oo-Ioo-oa8Ad �-5346, FG. 256/
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_ _ - --- / / / / �` OUTLET \
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- - - - - -
_ EXISTING EDGE OF _ -_ _ --- -- - - \\ 6 L=8', W1=4', Wz=1o', D=1' MIN. \ \ \ \ \ I \
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VDOT R FABRIC
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OUTLET
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- - - - - DB 624, PG 193 \ V \V \ \ V A c"
- - - - - - - - - - PROTECTION WITH FILTER FABRIC UNDERLAYMENT PROPOSED VDOT CL. i RIPRAP LINED OUTLETui
/ - - L=45', W1=30', W2=55', D=1' MIN. PROTECTION WITH FILTER FABRIC UNDERLAYMENT \ \ -� \ I EXISTING STREAM \ V A\ N
L=18', W1=20% Wz=zo', D=1' MIN. V A \ \ \ �� M
- / Q
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EXISTING PROPERTY LINE (TYP. W y y II I i I \ \ \ ` \
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i
OUTFALL
Clio
(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
2.1
Al
OP2
12.70
30
Min
12
8
14
0.5
1.1
Al
OP3
7.79
30
Min
12
8
i5
0.5
1.1
1
OP4
634.96
6o (2)
Max
45
30
55
0.5
1.1
1
OP5
154.00
120
Max
18
20
20
0.5
1.1
Ai
OP6
7.73
15
Min
8
4
10
0.5
1.1
Al
OP7
49.93
30 (2)
Max
5o
15
20
0.5
1.1
1
OP8
2.43
15
Min
40
4
15
O.5
1.1
Al
/
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rn
z
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5 ( - Oo n� P� V v \ ��\� \ v (Acres) (Min)
-
- 351 i_L.I,� _ - \�� OP1 12.08 0.52 11.0
F \ - _ � OP2 4.46 0.51 9.0
O
Lu
Lu
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OP3 2.43 0.55 8.0 NOTE: PEDESTRIAN TUNNEL ACTS AS AN OVERFL W \ \ \ % _ U G
- h06
OP6 1.26 0.67 7.0 DURING LARGE STORM EVENTS. THE 10-YR FLOW FOR \ Iujz
44+00 = �o --- �_ �- \ -\ \ \ - _ \ �- - - _ _ - - - - OP8 0.45 0.85 6.0 OP5 TAKEN FROM CULVERT DESIGN SHEETS ON THE POLO
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OUTLET \ ` \ I \ ` --_- \ \ _ - \ \ - - - \ \ \ \ \ \ \ \ \ \ `$0 Sp LO GR N
OTECTION WITH FILTER FABRIC UNDERLAYMENT \ \ - - - - \ \ \ _ \ \ \ \ \ \ O•B EED t/M/ _�VAos
L=5o', W1=15', W2=2o', D=1' MIN. \ \ - `s` \ _ \ \ \ \ \ \ \ \ \ \ P. �6 T�45 MPH O D w
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XISTING PROPERTY LINE o \ v v v A v v v v q J
\ (TYP.) A \ \ TMP o4600-oo-ocLoz3Ao v v v v v v v 3ca
/� \ EXISTING z1" SANITARY SEWER TO REMAIN \ \ ` \ \ \ 4.79 ACRES \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ = \ \ \ \ _� F
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EXISTING zoo -YEAR FLOODPLAIN (TYP.) --- _ - _ v _ v v - - JOB NO.
\SCALE
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SHEET No.
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Outfall
Area
CN
to
(Acres)
(Hr.)
ON
682.92
62.00
0.87
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41.30
60.00
0.46
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Stormwater Sum
Table
0
Quality rrnar
�TH
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Per WPO 20210007 VSMP Plan by CE
R.
LINSZ
(Sheet 15, SWM Narrative, Water
�SCOTT
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Quality Summary)
[� Lie.
NO.
035791
Per Dec. 20, 2018 WPO 20180051
�,�i
12/27/21
VSMP Plan by Bohler (Sheet C-902,
SWM Narrative's Conclusion)
�SSIONAL
E�OI
Total Required
Phosphorous Removal
Rate (Ibs/yr) to Date
Per Nov. 15, 2018 WPO 20180013
85.42
VSMP Plan by Bohler (Sheet C-902,
SWM Narrative)
Per WPO 201800080 VSMP Plan by CE
Total ONSITE
(Sheet 6's SWM Narrative, Ist
Phosphorous Removal
Rate Provided (Ibs/ r)
paragraph of Water Quality Summary)
73.85
F
In
Z
Z
W
tL
Per WPO 201700037 VSMP
�
�
Amendment #2 by CE (Sheet 15, SWM
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Narrative's Water Quality Summary)
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Notes:
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Bohler (Sheet C-903, SWM Narrative,
1. To date
the total required phosphorous removal rate is 85.4216s rand the total phosphorous removal rate achieved through onsite SWM facilities is 73.SS Ibs r. In accordance with stormwater quantity regulations, the overall Brookhill Development is allowed to use
Q P P /Y P P /Y 9 ty g P
0
(n
Q
Q
under Conclusion)
offsite BMPs
l
(e.g. nutrient credit purchases) totalling a maximum of 25% of the overall required required phosphorous removal rate.
z
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Q
z
z
2. Actual purchased
nutrient credits assoicated with the approved plans to date is 5.9916/yr.
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H
uJ
m
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DO
3. Actual nutrient
credits proposed to be purchaed (currently under review) that are assoicated with the WPO 20210007 plan to date is 5.58lb/yr.
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Z
a
a
4. Water quality
requirements for this plan 201800013-Amendment#2) have previously been satisified. 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-11) outalling into conserved open spaces for water quality. Following this, WPO 201800080 and WPO 201700037 Amendment #2 were approved. WPO 201800080 replaced LS-10 and Pond
10 with a new level II
u
^
0-
0-
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 corner of sheet 15 by Collins Engineering). Please note, the originally approved Pond 11 by Bohler Engineering has not
W
W
been modified.
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(n
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
Required Phosphorous
PROVIDED ONSITE, AND TO DATE 86.5% IS PROVIDED ONSITE.
r-4
174
N
Removal Rate(lbs/yr)
a
N
CJ
i
N
Per WPO 20200004 VSMP Plan by CE
10.05
(Sheet 17, SWM Narrative, Water
Quality Narrative)
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1
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Required Phosphorous
Removal Rate (Ibs/yr)
N
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TBD
IN
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Required Phosphorous
Removal Rate (Ibs/yr)
>
0
TBD
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JOB NO.
182150
SCALE
NONE
SHEET NO.
9
Section
Block
Common Name
SWM Facility ID
Type of Facility
Phosphorus Removal
achieved w/proposed plan
(Ib/yr)
Plan #
Amount of offsite
Credits Created
(Ib/yr)
Amount of Offske
Credits Purchased
(Ib/yr)
Percentof Total
Development
offsite Credhs (%)
1
4A
Apartments
Pond 31
Wet Pond
4.01
WP0203800051
0
1.27
3.;%
1
4A
Apartments
DP-4A
Detention Pond w/ Underground Storage
-
WP0201800051
1
4A
Apartments
CDS-4A
COS Unit (Manufactured Device)
1.60
WP0201800051
1
4A
Apartments
LS-11
Sheet flow [o open Space REMOVED
-
WP0201800051
1
4B
Apartments
Pond 11
Wet Pond
0.18
WP0201800051
1
4B
Apartments
JD-4B
Isolator Row (Manufactured Device)
3.38
WP0201800051
1
46
Apartments
Pond 48
Extended Detention Pond
0.79
WP0203800051
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
-
WP0201800013
1
-
ROW
LS-11
Sheet flow [o open space REMOVED
-
WP0203800013
1
8B
ROW and Block 8B
Pond 10
Wet Pond
5.91
WP0201800080
0.68
1.53
2.8%
1
-
ROW
LS-10
LS-10 REMOVED
-
WP0201800080
1
-
ROW
LS-10
LS-10 REMOVED
-
WP0201800080
1
3
Sectionl Mass Grading
Pond4
Wet Pond
20.56
WP0201700037
(Amendment#2)
0.46
0
1.<%
1
3
Sectionl Mass Grading
LS4.1
Sheet flow to open space
5.14
WF0201700037
(Amendment #2)
1
3
Section 1 Mass Grading
Wet Pond B
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
Pond4
Wet Pond
0.89
WP0201800050
0.68
0
2.0%
1
3
Ice Rink ROW
LS4.1
Sheet flow to open space
0.67
WP0201800050
1
3
Ice Rink
Pond4
Wet Pond
2.20
WP0201800050
1
3
Ice Rink
LS-4.1
Sheet flow too open ace
Pe P
1.79
WP0203800050
1
SA
Senior Living Facility
Pond 11
Wet Pond
3.70
WP0201900004
0.01
0
0.0%
1
8A
Senior Living Facility
L$-11
Sheet Flow [o 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
(Ih/yr)
Anticipated Amount of
offsite Credits
Purchased (Ib/yr)
Anticipated Percent of
Total Development offsite
Credits
Amount of Offske
Credits Purchased
Qb/yr)
Percentof Total
Development
offsite Credits(%)
1
Pond 4Treatment Total
6.77
23.65
1
Pond 7Treatment Total
8.11
TB
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
OFfstte Credits(%)
5
16
Single Family Housing
StormTech Isolator Row&Level
Spreader'A'
Filtering Device&Sheetflow 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
30.67
31.4%
5
18
Single Family Housing
TBD
TBD
TBD
TBD
TBD
TBD
Section 5 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 (Ib/yr)
Anticipated Percent of
Total Development offsite
Credits(%)
Amount of offsite
Credits Purchased
(Ib/yr)
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 lSB Treatment Total
5.14
TBD
5
Pond l6 Treatment Total
11.75
TBD
5
Gra55 Channel Treatment Total
2.1
TBD
5
Sheet Flow to Open Space Treatment Total
1.43
7.33
5
Blocks 16-17 We[ Pond
-
0
Section 5 Treatment Total
36.81
7.33
SectianSNutrien[Credits Total
6.8
20.0%
30.67
31.4%
Overall Treatment Total
141.28
73.85
Overall 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