HomeMy WebLinkAboutWPO201700020 Plan - VSMP 2022-06-06GENERAL NOTES
OWNER:
GLENBROOK LLC
PO BOX 1467
CHARLOTTESVILLE. VA 22902
DEVELOPER:
RIVERBEND DEVELOPMENT, INC.
455 SECOND STREET, SE SUITE 400
CHARLOTTESVILLE. VA 22902
ATTN.- ALAN TAYLOR
ENGINEER:
COLLINS ENGINEERING
200 GARRETT ST, SUITE K
CHARLOTTESVILLE, VA 22902
(434)293-3719
TAX MAP NO.:
1. PORTION OF 05600-00-00-057DO (DB.5039, PG.66) - 9.50 ACRES
2. PORTION OF 056A2-01-00-06200 (DB.5039, PG.66) - 0.08 ACRES
J. 05600-00-00-057B1 (DB.5039, PG.75) - 9.32 ACRES
4. EXIS77NG RIGHT-OF-WAY (PLATTED/ NOT YET DEDICATED) - 1.04 ACRES
(SEE SHEET 2 FOR AREAS & PORTIONS OF PARCELS)
TOTAL AREA:
19.94 AC.
ZONING:
R-6 RESIDENTIAL, BONUS LEVEL - CLUSTER DEVELOPMENT, WITH MANAGED SLOPES OVERLAY DISTRICT
IMP 56-57D AND IMP 56A2-1-62 ARE LOCATED WITHIN THE ENTRANCE CORRIDOR
NOTE: IMP 56A2-1-62 IS SUBJECT TO THE APPLICATION PLAN AND PROFFERS ASSOCIATED WITH ZMA201600005
DENSITY:
ALLOWABLE DENSITY FOR STANDARD LEVEL CLUSTER DEVELOPMENT-6 DU/AC
+ 30 % BONUS DENSITY FOR PORT70N OF PHASE III DEVELOPMENT FOR PROVIDING AFFORDABLE HOUSING (SEE
PORTION OF PHASE III DEVELOPMENT WITHIN URBAN DENSITY AREA OF THE COMPREHENSIVE PLAN - SHOWN ON
SHEET 3).
TOTAL PROPOSED DENSITY FOR BY -RIGHT PORT70N OF GLENBROOK AT FOOTHILL:
PHASE h. 10 SFD UNITS WITHIN 3.61 ACRES (BY -RIGHT R-6)
PHASE Ill: 144 SFD/SFA UNITS WITHIN 19.94 ACRES (BY -RIGHT R-6)
PHASE V.. 35 SFA UNITS WITHIN 5.84 ACRES (BY -RIGHT R-6)
TOTAL PROPOSED DENSITY = 189 DWELLING UNITS WITHIN 29.39 ACRES
TOTAL ALLOWABLE DENSITY: 6.435 DUA
(22.29 AC x 6 DUA) + (7.1 AC x 6 DUA x 307 BONUS INCREASE)
189 UNITS: (177 UNITS + 6 AFFORDABLE UNITS & 6 MARKET RATE UNITS)
TOTAL DENSITY PROVIDED: 6.431 DUA
189 DWELLING UNITS(INCLUDING 6 AFFORDABLE UNITS + 6 MARKET RATE UNITS)
PROPOSED USE:
PHASE 111 (THIS PHASE)
SINGLE FAMILY DETACHED UNITS = 20 UNITS
SINGLE FAMILY ATTACHED UNITS = 100 UNITS
MULTI -FAMILY APARTMENT UNITS = 24 UNITS, INCLUDING (6) AFFORDABLE UNITS
NOTE: TYPICAL NUMBER OF BEDROOMS FOR EACH UNIT SHALL BE (2) OR (3) BEDROOMS, EXCEPT FOR THE (12)
1-BEDROOM RENTAL UNITS)
OPEN SPACE:
TOTAL OPEN SPACE PROPOSED (PHASE Ill) = 6.05 AC (30.39)
TOTAL OPEN SPACE REQUIRED (259) = 19.94 AC x 251' = 4.99 ACRES
OPEN SPACE TO BE OWNED AND MAINTAINED BY THE HOMEOWNERS ASSOCIATION. ALL OPEN SPACE SHALL BE
RESERVED IN A DEED FOR THE COMMON USE OF LOT OWNERS IN THE SUBDIVISION.
OPEN SPACE A = 0.41 ACRES OPEN SPACE B = 0.43 ACRES
OPEN SPACE C = 0.22 ACRES OPEN SPACE D = 0.04 ACRES
OPEN SPACE E = 0.08 ACRES OPEN SPACE F = 2.58 ACRES
OPEN SPACE G (GREEN WAY) = 2.29 ACRES
RECREAT70N AREA:
TOTAL AREA PROVIDED: (OPEN SPACES A,B&C)=46,173 SF
TOTAL AREA REQUIRED: 200 SF x 144 UNITS = 28,800 SF
A TOT LOT AND OTHER RECREATIONAL AMENITIES ARE PROPOSED WITH THE DEVELOPMENT. THE FINAL SITE PLAN
WILL PROVIDE DETAILS ON THE DESIGN OF THE ACTIVE AND PASSIVE RECREATIONAL AREAS FOR THE DEVELOPMENT.
SEE SHEET 3 FOR DETAILS ON THE ACTIVE AND PASSIVE RECREATIONAL AREAS.
PRESERVED/MANAGED
SLOPES: NO PRESERVED SLOPES ARE SHOWN WITHIN THE LIMITS OF THE PROPERTY. SMALL AREAS OF MANAGED
SLOPES ARE LOCATED ON THE PROPERTY AND SHOWN ON THE EXISTING CONDITIONS PLAN SHEET (SHEET 2)
BUILDING HEIGHTS
MAXIMUM BUILDING HEIGHTS SHALL NOT EXCEED 35 FEET
NOTE: VILLA UNITS: 1-1/2 STORIES (MAX. HT.=25' & MAX. FOOTPRINT= 1665 SF)
SFD UNITS: 2 STORIES (MAX. HT=30' & MAX. FOOTPRINT= 2,520 SF)
TOWNHOUSE UNITS 3 STORIES (MAX. HT = 35' & MAX. FOOTPRINT= 800 SF)
MUL77-FAMILY• 3 STORIES (MAX. HT. = 35' & MAX. FOOTPRINT= 5,544 SF)
SETBACKS-
FRONTMIN. 5' (18' MINIMUM FROM R/W OR EDGE OF SIDEWALK TO GARAGE)
MAXIMUM - 25' MAXIMUM SETBACK
SIDE.' MINIMUM - 5 FEET UNLESS THE BUILDING SHARES A COMMON WALL
MAXIMUM - NONE
BUILDING SEPARATION: 10 FEET, UNLESS THE BUILDING SHARES A COMMON WALL
REAR: 20' MINIMUM AND NO MAXIMUM
SUBDIVISION STREETS:
CURB & GUTTER
WATERSHED:
LICKINGHOLE CREEK WATER SUPPLY WATERSHED
AGRICULTURAL/ FORESTAL DISTRICT NONE
TOPO & SURVEY.'
TOPOGRAPHY PROVIDED BY A COMBINATION OF ROUDABUSH GALE AND ASSOCIATES AND LOUISA AERIAL SURVEYS
INC. ✓ANUARY 2007. GRADED AREAS WERE FIELD SURVEYED IN 2017 THE BOUNDARY LINE INFORMATI0N IS
PROVIDED BY ROUDABUSH, GALE AND ASSOCIATES. INFORMATION FIELD VERIFIED BY COLLINS ENGINEERING IN
DECEMBER OF 2020.
DATUM:
NAD 83
EXISTING VEGETATION:
PAR77ALLY CLEARED AND GRADED UNDER PREVIOUS LAND DISTURBANCE PERMIT
LIGHTING:
NO LIGHTING IS PROPOSED
PARKING:
REQUIRED PARKING:
1. (2) OFF-STREET PARKING REQUIRED FOR EACH UNIT SFD/SFA UNIT.•
120 UNITS x 2 SPACES = 240 SPACES
2. (2) PARKING SPACES REQUIRED FOR EACH 2-BEDROOM APT. UNIT
12 UNITS x 2 SPACES = 24 SPACES
J. (1.5) PARKING SPACES REQUIRED FOR EACH 1-BEDROOM APT. UNIT
12 UNI IS x 1.5 SPACES = 18 SPACES
J. GUEST PARKING (1 SPACE / 4 SFA/MULTI-FAMILY UNITS):
124 UNITS x 1 SPACE/4 UNITS = 31 SPACES
TOTAL REQUIRED PARKING: 313 SPACES
TOTAL PARKING PROVIDED:
264 GARAGE/DRIVEWAY PARKING SPACES
27 OFF-STREET PARKING SPACES
25 ON -STREET PARKING SPACES
TOTAL PROVIDED: 316 SPACES
NOTE: ON -STREET PARKING SHALL BE PROVIDED ON ONE SIDE OF THE STREET WHERE INDICATED ON SITE PLAN.
NO PARKING SIGNS WILL BE SHOWN ON THE FINAL SITE PLAN DESIGNATING AREAS FOR ON -STREET PARKING AND
WHERE THE ON -STREET PARKING IS PROHIBITED.
PHASING:
THIS PROJECT IS PART OF THE OVERALL GLENBROOK PROJECT, WHICH IS BEING DEVELOPED IN PHASES TOTAL,
INCLUDING PHASE I, 11A, IIB, Ill, IV & V.
BURIAL SITES'
NO CEMETERIES WERE FOUND DURING A FIELD INVESTIGATION OF THE SITE
STREAM BUFFERS:
THE STREAM BUFFERS SHOWN HEREON SHALL BE MANAGED IN ACCORDANCE WITH THE ALBEMARLE COUNTY WATER
PROTECTION ORDINANCE
RETAINING WALLS:
A RETAINING WALL IS PROPOSED WITH THIS PLAN, SEE GRADING SHEETS.
LANDSCAPING:
STREET TREES ARE PROPOSED ALONG THE NEIGHBORHOOD STREETS IN ACCORDANCE WITH ALBEMARLE COUNTY
LANDSCAPING REQUIREMENTS WITHIN SECTION 32.79 OF THE COUNTY CODE AND IN ACCORDANCE WITH CHAPTER
14.
BUILDING SITES'
EACH PARCEL CONTAINS A BUILDING SITE THAT COMPLIES WITH SECTION 4.2.1. OF THE ALBEMARLE COUNTY ZONING
ORDINANCE.
STREAM BUFFERS/FLOODPLAIN: THIS SUBJECT PROPERTY IS LOCATED IN ZONE X. THERE IS NO 100-YEAR FLOODPLAIN LIMITS ON THE
SUBJECT PARCELS, PER FEMA MAPS 51003CO228D & 51003CO229D; FEBRUARY 4, 2005. STREAM BUFFER EXISTS,
AS SHOWN ON SHEET 2.
OFFSITE DISTURBANCE:
NO OFFSIDE DISTURBANCE IS PROPOSED WITH THIS PLAN, EXCEPT FOR THE TIE-IN CONNECT70N TO THE SANITARY
SEWER WITHIN EXISTING UTILITY EASEMENT.
FOOTHILL CROSSING II
VSMP PLAN AMENDMENT #6
AMENDMENT TO WP02O17-00020
WHITEHALL DISTRICT
ALBEMARLE COUNTY, VIRGINIA
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TMP: 056A2-01-00-06200 -
OWNER: GLENBROOK, LLC
-ACREAGE: 1.89 AC
❑�_ ZONING: R-6 RESIDENTIAL
/ DB/PG: 5039/66
AgT OOTHIEll
ACREAGE 6.69 AC -'-_ I I .' .:::_✓..:.:.:.'.��'. ......
ZONING: R-6 _-.+_ ....�_.: ..:?..'
DB/PG: 3205I626 I I .�:.�'�
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TMP: 0560I2-01-00.07240
OWNER: CIAUDIUS CROZET PARK, INC 1
ACREAGE. 11.67AC 1 0
ZONING: RURAL IMP: 05600-00-00-057B2
Da G: 15361408 OWNER: OLENBROOK, LLC !
'f A'CREAGE. 8 j 72 AC
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IMPERVIOUS AREAS:
Road
120386
sf
Sidewalks
34862
sf
Homes
147695
sf
Driveways
53102
sf
Access Path
7728
sf
Future Development Allowance
48882
sf
Project Total Impervious Area
412655
sf
OVERALL AREAS
TOTAL ACRES OF LOTS' 10.36 AC (51.97)
TOTAL ACRES OF OPEN SPACE: 6.05 AC (30.39)
TOTAL ACRES OF ROW.- 3.55 AC (17.87)
SHEET LAYOUT
SCALE: 1" = 100'
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LOT ]3
LOT 74 \ SFD
SFD \ I LOT)2
\ SFD
LOT75 \
- SFD
LOT ]9/
SFD
LOT P
SFD
LOT78
SFD / LOT
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LOT 71
SFD
LOT M
SFD
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LOT 80 '-
SFD
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OT
LSFD
SFD
/ /• LOT 82m
SFD
/ • LOT 83
SFD
/• LOT 94
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WPO PLAN SHEET LIST
Sheet Number Sheet Title
1 COVER
1 5 1 PRE & POST -DEVELOPMENT STORMWATER MANAGEMENT PLAN I
1 7 STORMWATER MANAGEMENT DETAILS & CALCULATIONS I
1 8 1 EROSION & SEDIMENT CONTROL NARRATIVE & DETAILS I
17 EROSION & SEDIMENT CONTROL PLAN PHASE VII
18 EROSION & SEDIMENT CONTROL PLAN PHASE VIII
19 EROSION & SEDIMENT CONTROL PLAN PHASE IX
20 MITIGATION PLAN
.9 GRADING & DRAINAGE PLAN
*10 GRADING & DRAINAGE PLAN
TOTAL 10 PAGES
F * SHEETS 9 & 10 HAVE BEEN ADDED TO THE BACK OF THE SET FOR INFORMATIONAL PURPOSES TO DEPICT THE
GRADING IN BETTER DETAIL. SEE THE GLENBROOK PHASE III FINAL SITE PLAN FOR DETAILS.
PLAN AMENDMENT #6 PROPOSED CHANGES:
1. UPDATED AMENDMENT PLAN TO ADD IN THE CONSTRUCTION OF
GLENBROOK PHASE 3.
2. MODIFIED THE POND 2B WEST RISER AND MIDFLOW ORIFICE.
3. ADDED SHEET 20 -MITIGATION PLAN
NOTES:
i
1) THIS PROPERTY DOES NOT LIE WITHIN AN AGRICULTURAL AND/OR FORESTAL DISTRICT
2) ONLY (1) DWELLING PER LOT SHALL BE PERMITTED.
3) THIS PROJECT IS NOT LOCATED WITHIN FLOODPLAIN LIMITS, BASED ON FEMA MAP
NUMBERS 51003CO229D ADOPTED FEBRUARY 4, 2005.
4) STREET TREES SHALL BE PROVIDED ALONG ALL THE PUBLIC STREETS 40' O.C. IN
ACCORDANCE WITH VOOT AND ALBEMARLE COUNTY STANDARDS.
5 ITE TRIP GENERATION: TRAFFIC IMPACT NUMBERS ARE BASED ON THE ITE TRIP
GENERATION MANUAL, 107H EDITION. CODE 220 WAS USED FOR THE DEVELOPMENT
PROPOSED 31 DWELLING UNITS
ADT RATE - 7.32 VPD PER DU = 227 ADT (113.5 ENTER/113.5 EXIT)
AM PEAK RATE - 0.46 VPH PER DU = 14 VPH (3 ENTER 11 EXIT
PM PEAK RATE - a56 VPH PER DU = 17 VPH (11 ENTER/6 EXIT)
6) ALL TRASH SHALL BE COLLETED BY A DRIVING DUMPSIER SERVICE - EACH LOT SHALL
HAVE AN INDIVIDUAL TRASH CONTAINER.
7 THIS PROPERTY IS NOT LOCATED WITHIN A DAM INUNDATION ZONE.
8) RETAINING WALLS GREATER THAN 3' IN HEIGHT REQUIRE A SEPARATE BUILDING PERMIT.
WALLS EXCEEDING 4' IN HEIGHT REQUIRE A STAMPED ENGINEERED DESIGN. WALLS
CROSSING LOT LINES REQUIRE AN EASEMENT
9) ALL WATER LINES, SEWER LINES, AND FIRE LINES FROM THE MAIN TO THE STRUCTURE
MUST HAVE A VISUAL INSPECTION PERFORMED BY THE BUILDING DEPARTMENT
10) SEE SHEETS 4 & 5 FOR THE LOCAT70N OF THE RETAINING WALLS WITHIN THE PHASE III
DEVELOPMENT.
11) ROADWAYS AND PAVED CIRCULATION AREA = 148,990 SF.
12) THE PRIVATE STREETS IN THIS SUBDIVISION MAY NOT MEET THE STANDARDS FOR
ACCEPTANCE INTO THE SECONDARY SYSTEM OF STATE HIGHWAYS AND WILL NOT BE
MAINTAINED BY THE VIRGINIA DEPARTMENT OF TRANSPORTATION OR THE COUNTY OF
ALBEMARLE.
ON SEPTEMBER 28, 2021, THE ALBEMARLE COUNTY PLANNING COMMISSION
APPROVED A REQUEST TO VARY THE PRIVATE STREET SIDEWALKS AND
PLANTING STRIPS SUBJECT TO THE FOLLOWING CONDITIONS
1. THE DESIGN OF THE SIDEWALK AND PLANTING STRIPS MUST BE IN
ACCORD WITH THE PROVISIONS OF SECT70N 14-422, WITH THE EXCEPTION
OF THE LOCAT70N OF THESE ELEMENTS WHICH MAY BE LOCATED IN
GENERAL ACCORD WITH THE LAYOUT SHOWN FOR LOTS 56-65 AND LOTS
86-97, AS SHOWN IN THE PRELIMINARY PLAT TITLED "GLENBROOK AT
F007HILLS - PHASE Ill, INITIAL SITE PLAN & PRELIMINARY PLAT"
PREPARED BY COLLINS ENGINEERING, LAST REVISED MAY 20, 2021.
2. A MAINTENANCE AGREEMENT FOR THE SIDEWALKS AND PLATING STRIPS
ASSOCIATED WITH THE PRIVATE STREET MUST BE RECORDED WITH THE
FINAL PLAT.
;COTT(R. C'b'LLINSZ
Lic. No. 035791
06/02/22 "Aj
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GENERAL BUILDING DEPARTMENT NOTES'
1. WHERE THE FLOOD LEVEL RIMS OF PLUMBING FIXTURES ARE BELOW THE ELEVATION OF THE
MANHOLE COVER OF THE NEXT UPSTREAM MANHOLE IN THE PUBLIC SEWER, THE FIXTURES
SHALL BE PROTECTED BY A BACKWATER VALVE INSTALLED IN THE BUILDING DRAIN, BRANCH
OF THE BUILDING DRAIN OR HORIZONTAL BRANCH SERVING SUCH FIXTURES PLUMBING
FIXTURES HAVING FLOOD LEVEL RIMS ABOVE THE ELEVATION OF THE MANHOLE COVER OF
THE NEXT UPSTREAM MANHOLE IN THE PUBLIC SEWER SHALL NOT DISCHARGE THROUGH A
BACKWATER VALVE.
2. DUE TO REQUIRED DISTANCES FROM LOT LINES AND STRUCTURES AS REQUIRED BY THE
NFPA, UNDERGROUND PROPANE TANKS MAY BE PROHIBITED. THE BUILDER/DEVELOPER
SHALL PLAN ACCORDINGLY.
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SHEET NO.
1
Post -Development Coverage Summary (Water Quantity)
DAM West - (Glenbrook Phase III Pond) Coverage Summary
Analyzed with this Amendment (Increase in drainage area, increase in impervious area)
Proposed #26 West Drainage Area
19.79
ac
Approved #2B West Drainage Area
19.47
ac
Road
151082
sf
Sidewalks
35502
sf
Homes
121104
sf
Driveways
51498
sf
Access Path
2485
sf
Future Development Allowance
48882
sf
Proposed DA#2B West Impervious Area
410553
sf
Approved DA#2B West l mpervious Area
266263
sf
DA #3C - (Released) Drainage Summary - Approved with VSMP Amendment #5
Analyzed with this Amendment (Reduction in drainage area, increase in impervious area)
Proposed #3C Drainage Area
1.23
ac
Approved #3C Drainage Area
1.34
ac
Road
11379
sf
Sidewalks
3300
sf
Homes
13300
sf
Driveways
5014
sf
Proposed DA #3C lmperviou-Area
32993sf
Approved DA #3C Impervious Area
22696
sf
/ J / / / / \ \
Routed Watershed Summary for DA 213 West - Level II Wet Pond STORMWATER MANAGEMENT SUMMARY
// / ❑ \ PROPOSED 1year 2year 10year 100-yrelev. TII �F
_ I THIS PROPOSED FOOTHILL CROSSING II VSMP
POST -DEVELOPMENT \ _ _ - Approved Post -Development Routing (cfs) 0.702 0.825 45.85 650.929 AMENDMENT #6 MODIFIES THE PREVIOUS VSMPs TO 0� ���
- *Proposed Post -Development Routing (cfs) 0.648 0.788 42.82 650.956 INCORPORATE THE FINAL GLENBROOK PHASE III G�
SCALE 1"=100' -� - _ - - *With the midflow orifice and riser brought up 0.25' each, this amendment reduces the outflows from the approved LAYOUT CURRENTLY UNDER REVIEW. A FINAL SCOTT R. LLINS'Z,
SUBDIVISION PLAN IS REQUIRED FOR THE O
DA 26 West level II wet pond. DEVELOPMENT OF THESE LOTS. APPROVED DRAINAG O Lic. No. 035791,1,
- Summary of Watersheds AREAS IA AND 26(EAST)AND THEIR SWIM PONDS ARE .0 4
06/02/22
UNCHANGED IN THIS PROPOSED PLAN. THIS PLAN �0A �
-- - 2-Year Storm AMENDS DRAINAGE AREAS 2B (WEST) AND 3C FOR �SSpO L E�Ot
Approved Pre -Development (cfs) Proposed Post -Development (cfs) THE NEW GLENBROOK PHASE III LAYOUT &DESIGN. A
_
' _ DA #1A 8.49 DA #1A 0.98
-_-_ - DA #2B East 6.97 DA #2B East 1.89 WATER QUANTITY
■ ■ r ■ _ _ - - - - - --LL _- -
DA #2B West 0.79 THE PROPOSED DRAINAGE AREA 2B WEST SIZE AND
• - --� \ \ \ J _ es IMPERVIOUS AREA ARE INCREASED WITH THIS
DA#2BW t 1454
��t� �y4� WATER QUALITY \ \ \ / - � DA#3C 4.37
-
BOUNDARY=zi.97ac. 1 ( / Total: 30.00 Total: 8.03 PROPOSED PLAN. THE EXISTING APPROVED DA 2B
- _ / / / ■ ■ ■i� \ /
- - � ■ � �._ \ - I � I \ \ \ \ ) / � POND (LEVEL II WET POND) WAS PREVIOUSLY
\ \ \ \ \ 10-Year Storm DESIGNED WITH AN ALLOWANCE FOR FUTURE
uH=67.09 _ \\ / - D \ \ \ \ ( . IMPERVIOUS AREAUSING THE EXCESS CAPACITY OF
Approved Pre -Development (cfs) Proposed Post -Development (cfs) N
- \ ■ \ �\ \ \ \ \ 1 \ THE \ POND, AND RAISING THE RISER TOP AND N N - y \� _ ■ ■ ■ / / \ DA 25.44 DA #1A 7.58 MIDFLOW ORIFICE 0.25' EACH (AS SHOWN ON SHEET N
- - 1
2B East 27.79 DA #2B East 16.5 -_ 7), THE PROPOSED DESIGN REDUCES THE OUTFLOWS o Ln
\ \ / DA # DA #2B West 42.82 BELOW THOSE PREVIOUSLY APPROVED FOR THE 1, 2, w w
" " ms"= / ♦ / / / / / u DA West 40.29 AND 10-YEAR STORM EVENTS. Q I -
_FUTURE \ 7w♦ / / / / / / DA #3C 7.74 Z J o
r PHASE IV ��i I - / / �� / _ _ /l / \ Total: 93.52 Total: 74.64 NOTE, THE PROPOSED DA 3C RUNOFF WILL BE F ¢ F
--f' ♦ ' / / CONVERTED TO SHEET FLOW THROUGH THE USE OF d Z Z
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\ / /
/ � I I ' sl •� r'= �,-{r �,-{r �,-�r` \ \ - / / ♦ / / / Summar of Amended Draina a Areas � �
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SPLASH BLOCKS. CONCENTRATED RUNOFF WILL NOT u
\ - / I - - m m f
PRO POS / -
I
-� BE GENERATED WITHIN DA 3C. THE DOWNSPOUTS w
/ I DA #2B WEST ` --- / / . / \ / / / �\ Approved Pre -Development (ac) Proposed Post -Development (ac) Z 0 Ln o
/ / I �' \ - _ / \T - - / 1 / - _ _ - - - - �I / \ \ \ ALONG THE REAR PORTIONS OF THE HOMES ON LOTS O
/ / I 19.79 ac. -- \ / / / ♦ DA #2B West 19.79 Z
/ / I \ \ 100 F OLF w/ 0 ELEV.=6' & / / / ` / �( \ \ \ DA West 20.92 35-41 & 47-55 REQUIRE SPLASH BLOCKS. o a z
/ C - T - 1 hr \ / _ - / DA #3C 1.23 m M Z
ELEV:=13' / - / / �� / / \ / / _ - SEETHE DRAINAGE SUMMARY ON THIS SHEET FOR Fw > 0 O
LFi'IPED / / / / _ Total: 20.92 Total: 21.02 �/) w U U
- s \ DETAILED ACREAGE AND COVERAGE SUMMARIES. w Lr
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THE WATER QUALITY PROJECT TOTAL AREA IS 21.97 W > j
ACRES, AND INCLUDES GLENBROOK III AND THE a'
i
/ / / y 1 � - -- - / / - - _ _._ x - � / / / �a' ♦ \ \ \ •..�_,.;:j;:!;i;{;:: ::::::.::::::::ii> ::._:,.::..'ii:.iii' >'� - � FUTURE PHASE IV DEVELOPMENT LOCATED IN THE lam
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NORTHERN PORTION OF THE SITE. THE APPROVED DA
.' 2B WEST LEVEL II WET POND WAS OVERDESIGNED,
WITH ADDITIONAL CAPACITY TO HANDLE THIS
............
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i ° �_:......_.�•_.�..�-_�......\''''''''''' _ AMENDMENT's IMPERVIOUS AREA OVERAGE. NO
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/ / - / y \ ; , i l = ■ \ - 5z \ K : :':':':':': :':':':':': :'>:':':':::'>:':':'»:: »>..._ MODIFICATIONS ARE REQUIRED TO THE APPROVED
I.:: .... _ \ - ___ ...4. ..._._..... �.-.�, .... - - \'.'.OPFNSPACE.'.'.'.'.'.'.'.'.'.'.'. '.
_ \ _ �� '-- -- - `\, "�'4'''''''''''"' � T+ """"' i'�\ GEOMETRY OF THE POND FOR THIS AMENDMENT, AS
■ \,,
• HE APPROVED POND STILL MEETS GEOMETRY
- -- .._ -, - .:_ \x .�;: .'\.•.•.•.•i "':<aeaApcRes:Giiiii??iii ..� T
\ -
/
/
.;'t - \ °\.. ■ ■ :. ■� �. PEN SPAGE .". .
"""""""""'�r' REQUIREMENTS FOR THE NEW PROPOSED TREATMENT
y l - - - - -I- ! :: / \o\ ■ VOLUME OF 40,023 cf AS SHOWN ON SHEET? .
b'ra \ y '.'.'.':.'.'../ ( ) N N N
'- \\ / 1 Lsro j \ / PROV ( �`..!:.. ,. _.-. .. - _ iu •:� :._. �•' ri.•.. w 00 r r
/ g a '::: THE POST -DEVELOPMENT MINIMUM TP LOAD %� m N N sSF K�I JAL BWFLDOUT D #1 L F s/ \r - \� Pep}ii'.' � > � }.' .'i..'r.'' �p " � oD
- - - - - \ C is f''''L'''' REDUCTION REQUIRED FOR THE PROJECT IS 17.21 N a 10
x -. � ' / OC ANG o,\ D LEs �A \(� ` o 0 0
/ - - - • / Y0 /\ / 91F oT13z I /k 1 e y LB/YR. THIS REMOVAL IS ACHIEVED WITH THE
LO e] \.� SFA L T 1�.`
_ = WHICH
LOT]5/ ;.•" � i LOTfiil� 0 & TC .7�3 hr5.> APPROVED DA 2B LEVEL II WET POND W
D
sro/ / \'.mO�L\ `�\\ SFA LOT 148 PROVIDES 18.84 LB/YR REMOVAL.
sF0 / .:''.r- LOT 133 '
LOT IM .'/ SFA
\- \ \ \ \ - .� - ...'.'!JJ .-G :'IJJi'. .'."J.. e _ ' -I \ / / 1 S/ L3FA1 �• QG \\.\ 3FA .'.'�) /LOT p5
41'
,a/eb,/ 2 . \ LMO]6 SFASFA
GLENBROOK S/FA !Ti OG'P O`..''OS.WP.A�AC!E• / '.•.I II'1'I1l 'f1 =_...-1''..
\ \\\ \ \ \\ 1 I
\1 A
\ PHASE 1 \\ L9
1_
/ \ ` \ \ \ ! \ ` _ �F- I \ \ : -•... \ •.. $ / tl °\ , sFD erg LOT 79
SFA
1
T /L SFA39/ y1 + / / / \ / \\
SFA
00
\ \ \ \ \ \ \ \� \ / 5 e! / `\ \ 11'.'.'.'.'.\. '..'.'J. \ \♦ .\"` /./ / I i L3FD1•••F...'.'.'.'.... � \ \ LOT 141 I 1\ // / L ✓ - - \ \ \ \\ `0 7 LL LU
/ L
,
� I 7
pp I C
W
CN Q
/ I _ x ...: ,.'.'" \ e _ •LOT e3 lV... :.IfTS. .-. ' _ O \ior (z4 \�.•:•. CF)
s�A �x �. \.•:•i.•.•. •./. / /_� - \ W
/LOTw \ \ /:a" -/, rj/i \ \ _ - \ \ \ \ \ N
.. \. \\ .. � .::... - :... ..... / / ��ore4 6,61 �� � :...•\ � L/T9fi \ FA \ � �� \ \: '-. \ < '-.1','f:' / /% / \\\ \ \ \
APPROVED -----__= ,-- �.. _ /S \�\ \ Q
---
APPROVED Tc=0.27 hrs- / / - \ []/ / / // \:':':'. ' : �' :'.': \ \ \�\ I �\ LOT - \ \ sro \ \ / / \ \\:\.: + / i \\ \ \ \ \ \ \
PRE -DEVELOPMENT \ / \�\ . ., ` /,° ♦ // \\ \ \ \ \
Tc=0.22 hrs. 100' OF OVERLAND FLOW AT 2% / / / ' \ r \ ♦� OT,22 �, /
( ) \ ..... .... -- I J \ SFA / '\. /./ ♦ \ \
x5; Q/
n- 1 - A A \ I]e / \ -� v V'`i.' J`v�VA J /6 / A \ V A A \ 1 A
Tc=0.05 hrs. (755' OF CHANNEL FLOW AT 6%) / /_ - \ SCALE 1 =200 j' g / \ \ \ _ - \ SFA / / / SFA \ \ ' /
J - \ !. \ \ \ \ I SFA ,',/ \ \ �' / \ SFA e \/ / \
- A \ u / ../ , I � / - �/ / I V ♦ � �LLO'F9 ,/ _ sz SFA / A �
OT
V I l V \ / / / / l I I I /�, �w .. '..A• 'A V A LOT 1 A / 9F �LOL89 f1 , /� L� 5 � LSFA�A /LOT 120 �� V I
/ F OLR w/ 4 ELEV=B \ :'. \ \ ♦ / I sF �oTs, ! a y \ / = sFA I \ \ / ♦. \ \ IIIIIIIIIII�! J `
\ I I / I I I / \ 3T \\ !nfi sFA b1 SFn�\ ioT „e % £, \ (/ ♦. \ ( // /
nI \ \ APPROVED I '4 r / / / I I / / �\\ I ' \ \ ::5'ti':::: ::_.' • ;�� - OT o \ / - 3FA /t• \\ \\ 1 <_ JLU
PARE-DEVELOPM NT \ _ / _ - � - / /-I L(/ \ \ ,- ; � - - a � LSFA' � / i �♦ / ® V l
I I-DA#4B WE5 \ -.// / / I \ 1 / �i� \\\ \ i:•.>° \ \\ \� /i; . \ ' s \\�\\\\ W Q
20.92 ac. \ / \ / / ` �/ / �/ /� w \ \ I \ / \ �... ACE LOT 112 AG LSFA3
�_ / 6FA 0. LOT,091 OPEN A
_ �. ' \\ =_ \ \ .. _ \ / / / N LOT 1+1 OT 110 I �.CPACE
-
SFA I / \
J /^ - / I (_ ` \\ \ \- \ '� nLOT 108 LOT 10]
CN 63 8t Tc=0.27 hrs. / \ \ _ _ / \ \ \ - - \ \ -\ \\ I SFA 3FA l f .' / / / \ O
/ _ - \ 1 \ � \ \ / -Y. .' .Oe\ I SFA I SFA LOT 1N \ \
\ \ _ A11 ED FACILITY \I I / \ \ / / \ oT„] \ \ \
I \ / _ / - L \ \ / - : ... / LOT 105oe' • - D ,✓ \ J _ .. it \ c \ 9FA \ l //A\/\ k
I \ \ -� �` l/✓ - - - - / \\ fa\. 1A 1 I OSE / o�. " �l \ LL V /
(��A SFA J b / 4 \MISS
'�� \\\�\`\� I' \ DA#3C \ \ L I / \ _ AT LOT 1os\ ?�po /''%'.' /Q-\ / \ \ s
I \ \em - _ ' - � � L i i ✓L � _ � \ / / / 1 ,�% \ \ ;l /
APPROVED Te-0.37 hrs \\\ ''°� � -- \�� \\\\ \\\ l \ Ro �r�nNe .. sFD •..� 6� \o / i♦ // Q O
- \ \\- -�- - � \\\\ II I \ :1 1.23aC. \ \ / � ^ sa•_�-
Tc=0.29hrs.(100'OFOVERLAND FLOWATI%
3 ..-♦ \\ _
LOT115
Tc=0.08 hrs. (952' OF CHANNEL FLOW AT 4%) \\ \ - \ \ - \ \ \ \ J1 I ».' 0,1 r .\ \ \ r (�( / ♦ \\ SFD �.. oP / ♦ \ / c%i
;-in Ilill
LOT
\� .\: I-..... \-..'.... \ / (.`. \ _ - LOT1 / / / / ♦/ \\ , / P 4 / W
I A�P-ROVED n'... \ _ - - 3F F:.. i / // e W V
�€VEL��fIEN,T , -
I \ \\ � � � /ll lj / / 1 / \ � � �` �" ,1 I� ; 6A_# °° / / / / / / / t'' . t:;:<' / / \ I -:_:::::.'.':-.'::. \ :::• ' ' ':�:�'•>:'. \\\ \ \\�\\\♦ - \ - - - > �.� �.. ♦ ': sl?A • � / �/ //, / / � � \ � 1--1 �
A
rj- \ ' //.,y: ' /// ::. {.:,:.I.:.:.�'i.:. :: �:.: \ \ \\\s\ ......\ _ _ "°° / ,/ \�::'fi s////' / // \Ul
\ \\ \ \\� z ' / ll l I 1 \ / I- \ �&n-�037 hrs / / _ / \ \\ i.6 •" / // \ ♦ / \ \ V)
LU
LLI
rLU
rt \ W'
/ - \\Q \ _ \ a� \' C \ ' Y� 1 J I / - \� \ \\ / - - - - � // i // )III \ .•.�:.{ .:':•: \ :•:��•�:':•:y�\ \ \ \ -) GLENBROOK � _ , / / � \
\\\ \ \\ = I .})> :I " �a II - o /A �ROV�ED/ / \
EXISTING TREELINE \ =- �/ r i / > •:'.. \ \ 1 / '-FHdA�BUILD00�DA #2B \ \ J
�\ \�(TVP. -_ - (tva cHgN _ ss\ GRA I / S� \ J
/ ) - = __ - I\� \ \ ( a::: '''\. ::'' : \ < \\\ I// / ♦ - / \ 13 38 c -/ / \ \ W 1--1
// / \\ ♦ \ - CN-76&mac- E4 x 5 '/ // // \
\ \ 1 t b3P. N.\ \ I < o \ ♦ ■ \ : - - \ / - J/ _ - / / I e �3'., \ - \
Y1
\< I>Z
mi/ / /ll/IIIIIIII 1 ` \\" \ `� ,\ -/ / \ :...rty.REs ♦ = ■� - - _ i _ _ \ / Q °�
\*♦ ♦ _-� )" ao ft. p
/ XVv__ /
CL
v A 1A v�\ 7 1_ / ��/ ♦ I_ v v / �_ _ / / A A l\ _=/ O
�LL
��EAST,ac.��� ♦_■■ / � v u'� v- /-�
� I I/ I I \//, / _ Z � ,I� \y :�' � �\---��'' _1,, � ■/ � - �► Iaa I -- _� \ �- ,- � \\
T_=0.29 hips/
\ \\ � // J ,C \\III �y\�� \ 1 \\�-__ i� �/'/ 1 //l l ( %-=l�iii/�\ /l YII \\\. � � I\ �\\ '' :. \' L� %� �_ •�\ \\\ ■ I II \\ /-6°� \ \�\ � /♦.����\`��/ \\,,; -J f� � F
\ // �l I \ \ \- - -�-/ /// // / 1 \-\J \ r \ \ ♦ w
\vv vvv /-- �\ VIl-\vvv vvv v��� /I///1 v �j�/�����1(� l�-�`--- ,� _ A v\\ A■.�/// i//
/xJOB NO
L_\= 112066
\ \\\\ \\ \ \ \\ EXISTING TIREELIN� SCALE
AS SHOWN
NOTE: .k.'
/ \ APPROVED Tc=0.29 hrs// ^\ i� 1 ✓i / - \� -\ \ _
\ / / = o / \ = / i - - \\\ - SPLASH BLOCKS SHALL BE INSTALLED AT ALL DOWNSPOUTS NOT CONNECTED -r .T_ __ 1 / / / / - / / \ \� I X i / \ SHEET No.
Tc 0.25 hrs. 100 OF OVERLAND FLOW AT 4/0 0 /� \ - - .. \�\ 1 \ 1 y \ -.--
�/ _ ( o / \\ ` _ ` ' \APPROV��-FACILI I Y \\� TO THE DRAINAGE SYSTEM. THE DOWNSPOUTS ALONG THE REAR PORTIONS
\ Tc=0.04 hrs. (500 OF CHANNEL FLOW W AT 6/0�� _ -.G. \ '2B' EAST �V 111/ / OF THE HOMES ON LOTS 35-41 & 47-55 REQUIRE SPLASH BLOCKS.
v
Post -Development Project Coverage Summary (Water Quality)
Project Area
21.97
ac
Road
131765
sf
Sidewalks
33862
sf
Homes
140642
sf
Driveways
49776
sf
Access Path
7728
sf
Future Development Allowance
48882
sf
Project Total Impervious Area
412655
sf
s
650
640
632
10+00
STORM SEWER
60" CL. III RCP
STANDPIPE TO SERVE AS
CONTRACTOR SHALL INSTALL #57 10' WIDE TOP OF
DAM ELEV.=652'.
O
OUTFALL=BEGINNING
RACKS TO BE INSTALLED ON ALL
RISER STRUCTURE.
RIMER RIM
STONE 12" MINIMUM AROUND 1.06' OF FREE130ARD
( MINIMUM)AROUND
PROVIDED
j
RIPRAP. SEE
[TRASH
ORIFICES PER VSMH TECHNICAL BULLETIN #7
(6�5 ELEV.=649.E8
w/ ONE 03' 4OW-FLOW
THE PERIMETER OF THE= BARREL DURING 100-y
.DESIGN STORM.
W
APPROVED GRADING
FOREBAY TOP OF DAM EXISTING GROUND
ORIFICE COEFFICIENT = 0.6
ORIFICE INVERT
ELEV.=644.0" & ONE 04"
WHERE IT IS NOT LOCATED
3
' WIDE GRASSLINED
EMERGENCY
w
SHEET FOR TYPE & DIM.
ELEV.= 644' (SPILLWAY WETLAND SHELF TOP OF DAM
MID -FLOW O
IFICE INVERT ELEV.�gSf�C648.
5>
BENEATH THE EMBA KMENT
SPILLWAY CREST
ELEV.=650.25'.
in
- - - -
CREST ELEV.=643') EILEV.= 644' (WETLAND SHELF
--------------
CONTRACTOR
HALL INSTAL TRASHRACK
k�
SPILLWAY I
NOT ACTIVAT
D L
- - - S ILLWAY CREST ELEV.= 643')
- - - - -- - - - - - ---------------------
- - - - - - - - _ _ SHOWN ON T
IS SHEET, OR QUIVALENT.
-----
-
- -
DURING 10-y
.DESIGN STORM.
_
- - - - ---------------
I
1
31
644.4 MWSE=644.0-\
\�
WETLAND TOP
OF A ELEV.= ELEV.= 644'
-- -----------
----
-
F
-------
Q'1 4-1A
-
4:1
a
---¢
4' WIDE FOREBAY
PROPOSED
°
SAFETY BENCH
A
UATIC BENC
30" CL. I
I RCP BARREL
w/ 2:1 SLOPES
\
BOTTOM OF WETLAND- 8" THICK, 8'x8
REINFORCED CONCRETE
PROPOSED
=99'; S=0.60%
STARTING
BOTTOM OF FOREBAY BOTTOM OF BASIN-
SHELF ELEV. 643.00 FOUNDATION.
RISER BASE BARREL
SAFETY BENCH
INV IN. 643.07
AT ELEV. 644.0
ELEV. 638.00 ELEV. 638.00
HALL BE FIRMLY
6" INTO THE CONCRETE
ANCHORED EMBEDDED
FOUNDATION.
INV
OUT. 642.50
10+10 10+20 10+30 10+40 10+50 10+60 10+70 10+80 10+90 11+00 11+10 11+20 11+30 11+40 11+50 11+60 11+70 11+80 11+90 12+00 12+10 12+20 12+30
SCALE:
V:1"=10' LEVEL II WET POND 12B'
HA =10'
1 O \
` 27 CF \ /
638
Z FOREB Y
+ \ LEVELII '
WET POND.
\\\ )� \\ 6B MAIN CELL
\
\ 35' WIPE GRASS LINED
\ SWM FACILITY #2B
WET POND LEVEL II (1.5Tv)
L�:a ° 20' Q
/ /PROPOSED RIPRAP /
SEE APPROVED GRADING
SHEET FOR TYPE & DIM.
I OT 3o
m
31
4' WIDE FOREBAY
SAFETY BENCH /
w/ 2:1 SLOPES /
STARTING
AT ELEV. 644.0 (, /
LOT 3�2
EMERGENCY SPILLWAY
CREST I LEV.=650.25'
\ \PROPOSED FLOATING
\ BAFFLE CURTAIN -
ABeSCO BRAND OR
\ EQUIVALENT X ` \ I
LOT 33
\ \rib \ \ 12B
\ N
\ \ \ \ \
\ (P
\ \ \ \ \ UNDRIPRAP
ER AP T W "EOXT L61,
D=2' min., S=2.9°Ad `
\ \ \ 301. CLL III RCP BARREL
\ 99', S=0.60%
1/4N. 643-07 n
\ \ \ INV OUT. 642.50 1\
LEGEND:
y ERNMX-127 OR APPROVED EQUIVALENT
w ERNST CONSERVATION SEEDS,
1-800-873-3321
14,188 SF REQUIRED
Floating Baffle Curtain - O
0
Rotation in sealed pocket
Horizontal seams provide strength
All seams are 7' in Width
Tension cable is
sealed in a pocket
under the flotation collar
as an optional feature
Reinforced
N4ndowsws
are an
optional feature.
\ / / WETLAND I
SHELF
X� \\\
m� I LOT 34 \
I I 60" CL. III RCP STANDPIPE
I I SERVE AS RISER STRUCTURE. n
RISER RIM ELEV.=649.68 w/ ONE 03" C64 .2
LOW -FLOW ORIFICE INVERT
ELEV.=644.0" &ONE 04" MID -FLOW , , , //
ORIFICE INVERT ELEV.-642 B. C648.2 7 \
\ CONTRACTOR SHALL INSTALL
\TRASHRACK SHOWN ON THIS
SHEET, OR EQUIVALENT.
NOTES:
1. INTERIOR WET POND GRADING SHALL BE AT 4:1 SLOPE OR
FLATTER BELOW ELEVATION 644. ABOVE ELEVATION 644
Q \ \ I \ 1 THE WET POND SHALL FUNCTION FOR WATER DETENTION
Ln ONLY, AND 3:1 SLOPES SHALL BE UTILIZED ABOVE 644.4.
l (ID j \ �I_,L T Fat'2. THE WET POND SHALL BE AERATED WITH AN APPROVED
lnt L POND DIFFUSER (KASCO MARINE OR EQUIVALENT).
Scientific Name
Common Name
Size
Symbol
10-YR
CANOPY:
Total
Quantity Canopy
TREES
Betula Nigra
River Birch
10'-12' ht
BN
397
12
4,764
Carya cordinformis
Bitternut Hickory
2 1/2" min.
BH
250
6
1,500
Shrubs
Cephalanthus occidentalis
lBuftonbush
-
CF
1 9
1 27
1 243
STORMWATER MANAGEMENT FACILITY GRADING (AS SHOWN)
Elevation Area of Forebay Volume
Elevation
(ft)
Area of Wetland
Cell Contours (sf)
Volume
(cf)
638
0
0
639
0
0
640
0
0
642
0
0
643
505
168
644
1,654
1,193
644.4
646
648
650
652
Retrievable placement ropes are
A sealed -in chain Provided to aid in the installation. Notes:
provides ballast and strength. Cut outs in the chain pocket ,
allow for additional anchors. 1 A min, forebay volume depth of 4, with an aquatic bench 4, wide, 1 deep provided.
2 A minimum forebay volume of 15% of the total Tv has been provided.
3 A wetland maximum treatment volume depth of 12" has been provided.
Floating Battles: Custom designed and engineered. Thermal sealed orsewn, if required. Floabng orsuspended, N.S.F. approved fabric. S.S. 4 A lO' wide aquatic bench at 12" in depth has been provided.
hardware. Designedto adjusttu changing fluid levels. An optional spine can inc ream freeboard, and a cablecan be run through thegrommets. q P P
Flotation is provided byclosed cell lags which are sealed into thefloating chambers. Bafllesare builtin sectionsafvarious lengthsand are joined by 5 An 8'wide safety bench with a maximum 5%slope has been provided.
non -corrosive hardware. The modulardesign permitsthe Baffle to be shipped to thejab site finished. All thatis required sfastening togetherand
boating into position. Its section is damaged, itcan be easily replaced. 6 The minimum treatment volume required has been provided.
Elevation
(ft)
Area of Main Cell
Contours (sf)
Volume
(cf)
638
1,153
0
639
1,848
1,487
640
2,705
3,750
642
4,882
11,230
643
6,237
16,776
644
11,923
25,704
644.4
646
648
650
652
Total= 45 6,507
Elevation
(ft)
Total Area Cell
Contours (sf)
Volume
(cf)
638
1,154
0
639
1,957
1,538
640
3,080
4,035
642
6,230
13,162
643
8,779
20,630
644
16,427
33,035
644.4
16,518
39,624
646
19,193
68,166
648
22,740
110,049
650
26,510
159,251
652
30,508
216,222
Technical Bulletin 7 Minimum Standard 3.02
1/0" dnc vkted hook
Ot.cned ill, 3/e' UWMe r
�
o
®o FI/C ma trots
,
Or
Isome4~ic
y<- IBM rut<
boned b Ii
1 WIPE ."aurid Vlaellc with
O a-1/R' Iwles end 1p
apt o e1%� m.
OOC)
0000
ail: ••' ''- �� • .h.w„ wlrE eptmnel pLb
Sectaou a-`/e•, °wnr.a erl�m�kP�es°
6"1"nme Inc. w equ.l
war "I Tw-1
1 00 1
',",�' 1�
Elevation
FLASTIC as 1 abn bed
BMP DEBRIS
CAGE
/ \soLunays;,axim;ler9 Disk
INC. sss-rxa-sea
..nay-.u.u.e..•
12+40 12+50 12+60
FIGURE 3.01 - Is
Homogeneous Embankmenis w/Seepage Controls
12+70 12+80 12+90 13+00 13+10
omopneous fill
I
"
17I_
'\cut off trench-4' below suitable
material
Soil or rock L------_----J
TYPICAL HOMOGENEOUS
EMBANKMENT
Transition fill
Rock or gravel
Pipe
Perforated call din' ou0et f t r
ctor around slo�s Blanket drain
Foundation drain
FOUNDATION DRAIN BLANKET DRAIN
anew Aam
Sind, gnn0 « o*
drnm own
Rock or gravel
s«w 1« drain
Transition filter Transition filter
CHIMNEY DRAIN TOE DRAIN
c:\3_01-1a
Sanrce: SCS Engineering Field Manual
WET POND FACILITY MAINTENANCE:
MAINTENANCE OF THE WET POND IS DRIVEN BY ANNUAL INSPECTIONS THAT EVALUATE THE CONDITION AND
PERFORMANCE OF THE POND. DURING THESE INSPECTIONS THE FOLLOWING TASKS SHALL BE PERFORMED BY THE
CONTRACTOR IN THE FIRST YEAR FOLLOWING INSTALLATION, AND THE OWNER THEREAFTER:
1. MEASURE SEDIMENT ACCUMULATION LEVELS IN THE FOREBAY.
1. MONITOR THE GROWTH OF WETLANDS, TREES AND SHRUBS PLANTED, AS APPLICABLE. RECORD THE SPECIES AND
THEIR APPROXIMATE COVERAGE, AND NOTE THE PRESENCE OF ANY INVASIVE PLANT SPECIES, AS APPLICABLE.
2. INSPECT THE CONDITION OF STORMWATER INLETS TO THE POND FOR MATERIAL DAMAGE, EROSION OR
UNDERCUTTING.
3. INSPECT THE BANKS OF UPSTREAM AND DOWNSTREAM CHANNELS FOR EVIDENCE OF SLOUGHING, ANIMAL
BURROWS, BOGGY AREAS, WOODY GROWTH, OR GULLY EROSION THAT MAY UNDERMINE EMBANKMENT
INTEGRITY.
4. INSPECT POND OUTFALL CHANNEL FOR EROSION, UNDERCUTTING, RIP -RAP DISPLACEMENT, WOODY GROWTH, ETC.
5. INSPECT CONDITION OF PRINCIPAL SPILLWAY AND RISER FOR EVIDENCE OF SPALLING, JOINT FAILURE, LEAKAGE,
CORROSION OR OTHER FAILURES.
6. INSPECT CONDITION OF ALL TRASH RACKS OR FLASHBOARD RISERS FOR EVIDENCE OF CLOGGING, LEAKAGE, DEBRIS
ACCUMULATION OR OTHER FAILURES.
7. INSPECT MAINTENANCE ACCESS TO ENSURE IT IS FREE OF WOODY VEGETATION AND CHECK TO SEE WHETHER
VALVES, MANHOLES AND LOCKS CAN BE OPENED AND OPERATED.
8. INSPECT INTERNAL AND EXTERNAL SIDE SLOPES OF THE POND FOR EVIDENCE OF SPARSE VEGETATIVE COVER,
EROSION, OR SLUMPING, AND MAKE NEEDED REPAIRS IMMEDIATELY.
9. PLEASE SEE THE TABLE BELOW FOR ADDITIONAL MAINTENANCE MEASURES ABOVE AND BEYOND THOSE OUTLINED
ABOVE:
Table 14.6. Typical Wei Pond Maintenance Tasks and Frequency
Maintenance Items
Frequency
•
Mowng - twice a year
Quarterly or after major storms
•
Remove debris and blockages
(,t inch of rainfall)
•
Repair undercut, eroded. and bare soil areas
•
Mowing
Twice a year
•
Shoreline cleanup to remove trash, debris and
floatables
•
Afull maintenance inspection
Anr ly
•
Open u p the riser to access and test the valves
•
Repair broken mechanical components, I needed
One time -during the
•
Pond buffer and aquatic bench reinforcement plantings
second yearfollowi construction
•
Forebay Sediment Removal
Every 5 to 7 years
•
Repair pipes,the riser and spillwary, as needed
From 5 to 25 years
WET POND LEVEL II'2B' DESIGN & REQUIREMENTS
Treatment Volume, Tv (VRRM)
40,023 cf
Minimum Treatment Volume Required 1.5 Tv (VRRM)
60,035 cf
Minimum Treatment Volume Required at MWSE
30,017 cf
Treatment Volume Provided above MWSE
33,035 cf
Tv Requirement Met ✓
Minimum Percentage of Tv Provided at MWSE
50
Percentage of Tv Provided at MWSE
55
Maximum Percentage of Tv Provided above MWSE
50
Percentage of Tv Provided above MWSE
45 %
Ponding Depth Corresponding to Minimum Tv
1.9 ft
Tv Requirement Met ✓
Maximum Ponding Depth allowed for Minimum Tv
4 ft
Minimum Forebay Volume Required (15%of Tv)
6,003 cf
Wet ED and Multi Cell Design ✓
Forebay Volume Provided
6,004 cf
Minimum Upper Wetland Shelf Area (10% of Pond Area)
1,643 sf
Upper Wetland Shelf Provided
1,654 sf
Wetlands > 10% of Pond Area ✓
Length/Width Ratio or Flow Path >= 3:1(Path=492/160)
3.1
Flow Path >= 3:1 ✓
Shortest Flow Path/Overall length >= 0.8 (Path=180/160)
1.1
Shortest Flow Path >= 0.8 ✓
Landscaping (this Sheet) and Aeration to be Provided
YES
Landscaping/Aeration ✓
3.01 - 3
StormRax-
ROUND SERIES TRASH RACK
CONCRETE MANHOLE
STANDARD 60 INCH RACK SHOWN
DIMENSIONS IN INCHES
SCALE:
VA"=10'
HA"=10'
'> =PROPOSED VDOT
1 a STD. EW-1 PC
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(L=1717', W+, D=2' min., S 2.9%)
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PLAN SIDE VIEW ISOMETRIC
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CONCRETE STRUCTURE DIMENSIONS
INSIDE STRUCTURE DIMENSION
OUTSIDE STRUCTURE DIMENSION
AVAILABLE OPTIONS
CROSS BRACING FOR OVERHANG
HOPE ANTI -VORTEX PLATE
Plastic Soltttlorn, Inc. CUSTOM,: DATE
.� NO Sax 4381 lbxtdteee, VA 276D4 SRAWNgy_
2M Mc1Awe Rd, Wlrclbtn. VA 22603
(977)(I 7E7Phma PROJECT:NPDrf
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� COUNTY OF ALBEMAItLE
- F Department of Community Development
Construction Record Drawings (As -built) for VSMP
The following is a list of information required on construction record drawings for
stonnwater facilities (reference Water Protection Ordinance 17-422). It is preferable that the
construction record drawing be prepared by someone other than the designer. Please do not
provide design drawings as construction record drawings.
A. A signed and dated professional seal of the preparing engineer or surveyor.
B. The name and address of the firm and individual preparing the drawings on the title sheet.
C. The constructed location of all items associated with each facility, and the inspection records to verify
proper dimensions, materials and installation. The items include, but ate not limited to the following:
L Inspection Records and photographs for pipe trenches and bedding, including underdrains.
2. Video Pipe Inspection for any pipes which are not accessible or viewable.
3. Updated Location with geo-coordinates of all facilities.
4. Verified Drainage Area maps for the drainage area treated, and for drainage to the facilities.
5. Current physical and topographic survey for all earthen structures. Ponds should include a survey
of the pond bottom. Surveys should verify pond volumes arc Per design. Corrections may be required
for alterations from the design
6. Plants, location and type.
7. Plans and profiles for all culverts, Pipes, Risers, Weirs and Drainage Structures - Display the
installed type of drainage structures, culveNpipe size, weirs, materials, inlets or end treatment(s),
inlet and outlet protection, alignment and invert elevations compared to design.
8. Computations: For significant deviations from design, provide sealed computations verifying that
the as -built condition is equivalent or better than design.
9. Ditch Lines- Display the Constructed fixation of all ditch lines and channels, including typical
sections and linings.
10. Easements -Show an platted casements with dead book references labeled Facilities and drainage
must he within platted easements. Provide copies of recorded documents.
11. Guardrail, fences or other safety provisions - Display the constructed location of all safety
provisions; fences, guardrail, including the type, length and applied end treatments, compared to
design
12. Material layers - biofilter media, stone layers, sand layers, keyways and cores must be verified as to
material types and depths. Include inspection reports, boring or test pit reports and materials
certifications. Biofilter media must be an approved state mix.
13. Access roads - show location of access roads, surface treatment, drainage, etc, as applicable.
14. Compaction reports are required to verify fill compaction in dams.
15. Manufacturers certifications for proprietary BMP's certifying proper installation and functioning.
I-,
Lic. No. 035791,E
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SCALE
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SHEET NO.
7
(ft)
Cell Contours (sf)
(cf)
638
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639
109
40
640
375
269
642
1,348
1,892
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2,037
3,572
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6,004
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648
650
652
EROSION & SEDIMENT CONTROL
MEASURES:
STRUCTURAL EROSION AND SEDIMENT CONTROL PRAC7CES SHALL BE IN ACCORDANCE
WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. STRUCTURAL
PRACTICES USED IN THIS SECTION CONSIST OF THE FOLLOWING:
3.01 SAFETY FENCE.'
A PR07ECTIVE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CONTROL MEASURE.
TO PROHIBIT THE UNDESIRABLE USE OF AN EROSION CONTROL MEASURE BY THE PUBLIC.
APPLICABLE TO ANY CONTROL MEASURE OR SERIES OF MEASURES WHICH CAN BE CONSIDERED
UNSAFE BY VIRTUE OF P07EN77AL ACCESS BY THE PUBLIC.
3.02 CONSTRUCTION ENTRANCE.'
A STABILIZED PAVED CONSTRUCTION ENTRANCE WITH A WASH RACK LOCATED AT POINTS OF
VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION SITE. TO REDUCE THE AMOUNT OF
MUD TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF.
CONSTRUCTION ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE
AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS.
A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYNTHETIC FILTER FABRIC STRETCHED
ACROSS AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED, TO INTERCEPT AND DETAIN
SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION OPERA7ONS IN
ORDER TO PREVENT SEDIMENT FROM LEAVING THE SITE, AND TO DECREASE THE VELOCITY OF
SHEET FLOWS AND LOW -TO -MODERATE LEVEL CHANNEL FLOWS THE SILT FENCE BARRIERS
SHALL BE INSTALLED 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 MAINTAINED IN ACCORDANCE WITH THE WRGINIA EROSION &
SEDIMENT CONTROL HANDBOOK (VESCH).
3.07 STORM DRAIN INLET PROTECTION.
A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM DRAIN DROP
INLET OR CURB INLET. TO PREVENT SEDIMENT FROM ENTERING STORM DRAINAGE SYSTEMS
PRIOR TO PERMANENT STABILIZATION OF THE DISTURBED AREA. INLET PROTECTION APPLIES
WHERE STORM DRAIN INLETS ARE TO BE MADE OPERATIONAL BEFORE PERMANENT
STABILIZATION OF THE CORRESPONDING DISTURBED DRAINAGE AREA.
A TEMPORARY RIDGE OF COMPACTED SOIL CONS7RUC7ED AT THE TOP OR BASE OF A SLOPING
DISTURBED AREA. TO DIVERT STORM RUNOFF FROM UPSLOPE DRAINAGE AREAS AWAY FROM
UNPROTECTED DISTURBED AREAS AND SLOPES TO A STABILIZED OUTLET. TO DIVERT
SEDIMENT -LADEN RUNOFF FROM A DISTURBED AREA TO A SEDIMENT -TRAPPING FACILITY SUCH
AS A SEDIMENT TRAP OR SEDIMENT BASIN. USE WHEREVER STORMWATER RUNOFF MUST BE
TEMPORARILY DIVERTED TO PR07ECT DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT ON
SITE DURING CONSTRUCTION. THESE STRUCTURES GENERALLY HAVE A LIFE EXPECTANCY OF 18
MONTHS OR LESS, WHICH CAN BE PROLONGED WITH PROPER MAINTENANCE.
3.11 TEMPORARY RIGHT-OF-WAY DIVERSION.
A RIDGE OF COMPACTED SOIL OR LOOSE ROCK OR GRAVEL CONSTRUCTED ACROSS DISTURBED
RIGHTS -OF -WAY AND SIA41LAR SLOPING AREAS. TO SHORTEN THE FLOW LENGTH WITHIN A
SLOPING RIGHT-OF-WAY, THEREBY REDUCING THE EROSION POTENTIAL BY DIVERTING STORM
RUNOFF TO A STABILIZED OUTLET. GENERALLY, EARTHEN DIVERSIONS ARE APPLICABLE WHERE
THERE WILL BE LITTLE OR NO CONSTRUCTION TRAFFIC WITHIN THE RIGHT-OF-WAY. GRAVEL
STRUCTURES ARE MORE APPLICABLE TO ROADS AND 07HER RIGHTS -OF -WAY WHICH
ACCOMMODATE VEHICULAR TRAFFIC.
3.14 TEMPORARY SEDIMENT BASIN.,
A TEMPORARY BARRIER OR DAM WITH A CONTROLLED STORMWATER RELEASE STRUCTURE
FORMED BY CONSTRUCTING AN EMBANKMENT OF COMPACTED SOIL ACROSS A DRAINAGEWAY. TO
DETAIN SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS IN "WET" AND "DRY" STORAGE
LONG ENOUGH FOR THE MAJORITY OF THE SEDIMENT TO SETTLE OUT. APPLIES BELOW
DISTURBED AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS EQUAL TO OR
GREATER THAN THREE ACRES. THERE MUST BE SUFFICIENT SPACE AND APPROPRIATE
TOPOGRAPHY FOR THE CONSTRUCTION OF A TEMPORARY IMPOUNDMENT.
3.18 OUTLET PROTECTION:
STRUCTURALLY LINED APRONS OR 07HER ACCEPTABLE ENERGY DISSIPATING DEVICES PLACED
AT THE OUTLETS OF PIPES OR PAVED CHANNEL SECTIONS. TO PREVENT SCOUR AT
STORMWATER OUTLETS TO PROTECT 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:
A PERMANENT, EROSION -RESISTANT GROUND COVER OF LARGE, LOOSE, ANGULAR STONE WITH
FILTER FABRIC OR GRANULAR UNDERLINING. TO PR07ECT THE SOIL FROM THE EROSIVE
FORCES OF CONCENTRATED RUNOFF, SLOW THE VELOCITY OF CONCENMA7ED RUNOFF WHILE
ENHANCING THE P07EN77AL FOR INFILTRATION, AND TO STABILIZE SLOPES WITH SEEPAGE
PROBLEMS AND OR NON -COHESIVE SOILS USE WHEREVER SOIL AND WATER INTERFACE AND
THE SOIL CONDITIONS, WATER TURBULENCE AND VELOCITY, EXPECTED VEGETA77VE COVER, ETC.,
ARE SUCH 7HAT THE SOIL MAY ERODE UNDER THE DESIGN FLOW CONDITIONS.
3.31 TEMPORARY SEEDING.
THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING
WITH 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 PR07EC77ON TO BARE SOILS
EXPOSED DURING CONSTRUCTION UNTIL PERMANENT VEGETATION OR OTHER EROSION CONTROL
MEASURES CAN BE ESTABLISHED.
3.32 PERMANENT STABILIZATION:
THE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PLANING
SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS. TO
PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL ADAPTABLE TO
SITE CONDITIONS AND ALLOWS SELECTION OF THE MOST APPROPRIATE PLANT MATERIALS. TO
IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF
CONSTRUCTION ACTIVITIES, ALL AREAS RILL RECEIVE A PERMANENT VEGETATIVE COVER.
338 TREE PRESERVATION AND PROTECTION:
PR07EC77ON OF DESIRABLE TREES FROM MECHANICAL OR 07HER INJURY DURING LAND
DISTURBING AND CONSTRUCTION ACTIVITY. TO ENSURE THE SURVIVAL OF DESIRABLE TREES
WHERE THEY WILL BE EFFECTIVE FOR EROSION AND SEDIMENT CONTROL, WATERSHED
PROTECTION, LANDSCAPE BEAUTIFICATION, DUST AND POLLUTION CONTROL, NOISE REDUCTION,
SHADE AND OTHER ENVIRONMENTAL BENEFITS WHILE THE LAND IS BEING CONVERTED FROM
FOREST TO URBAN -TYPE USES. APPLIES IN 7REE-INHAB17ED AREAS SUBJECT TO LAND
DISTURBING ACTIVITIES.
339 DUST CONTROL:
REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING DEMOLITION AND
CONSTRUCTION ACIVIIES. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM
EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY
PRESENT HEALTH HAZARDS, TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE SOIL DESCRIPTION
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. 5B - BELVOIR LOAM-2% TO 77 SLOPES SOIL IS SOMEWHAT POORLY DRAINED,
WITH 12 TO 24 INCHES TO THE WATER TABLE. MADE FROM RESIDUUM
WEATHERED FROM GRANITE AND GNEISS, THIS SOIL HAS CONCAVE
DOWN -SLOPE AND CONCAVE ACROSS -SLOPE SHAPE. NO FREQUENCY OF
PONDING OR FLOODING, AND MODERATELY LOW TO MODERATELY HIGH
KSAT.
7B - BRADDOCK CLAY LOAM-27 TO 7% SLOPES. SOIL /S WELL DRAINED, WITH
MORE THAN 80 INCHES TO THE WATER TABLE. MADE FROM ALLUVIUM
AND COLLUVIUM DERIVED FROM ACID CRYSTALLINE ROCKS, THIS SOIL HAS
CONVEX DOWN -SLOPE AND LINEAR ACROSS -SLOPE SHAPE. NO
FREQUENCY OF PONDING OR FLOODING, HIGH WATER CAPACITY, AND
MODERATELY HIGH TO HIGH KSAT.
8C3 - BRADDOCK CLAY LOAM-7% TO 15X SLOPES. SOIL IS WELL DRAINED, WITH
MORE THAN 80 INCHES TO THE WATER TABLE. MADE FROM ALLUVIUM
AND COLLUVIUM DERIVED FROM ACID CRYSTALLINE ROCKS, THIS SOIL HAS
CONVEX DOWN -SLOPE AND LINEAR ACROSS -SLOPE SHAPE. NO
FREQUENCY OF PONDING OR FLOODING, HIGH WATER CAPACITY, AND
MODERATELY HIGH TO HIGH KSAT.
37C3 - HAYESWLLE CLAY LOAM-77. TO 157. SLOPES. SOIL /S WELL DRAINED,
WITH MORE THAN 80 INCHES TO THE WATER TABLE. MADE FROM
RESIDUUM WEATHERED FROM GRANITE AND GNEISS, THIS SOIL HAS
CONVEX DOWN -SLOPE AND CONVEX ACROSS -SLOPE SHAPE. NO
FREQUENCY OF PONDING OR FLOODING, HIGH WATER CAPACITY, AND
MODERATELY HIGH TO HIGH KSAT
81B - THURMONT LOAM, 27 TO 7% SLOPES SOIL /S WELL DRAINED, WITH 48-79
IN. DEPTH TO THE WATER TABLE. MADE FROM COLLUWUM DERIVED FROM
GRANITE, GRANODIORITE, AND GRANITE GNEISS, THIS SOIL HAS CONVEX
DOWN AND CONVEX ACROSS -SLOPE SHAPE. THIS SOIL HAS NO
FREQUENCY OF PONDING OR FLOODING AND A MODERATELY HIGH TO HIGH
KSAT WITH MODERATE WATER CAPACITY.
REFERENCE: WEB SOIL SURVEY ONLINE DATABASE, FOUND AT
h ttp: //websogsurvey.nres. usda. govlappIWebSoilSurvey.aspx
EROSION CONTROL NOTES
ES-1: UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION
AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND
MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICAT70NS OF
THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA
REGULAT70NS VR 625-02-00 EROSION AND SEDIMENT CONTROL
REGULATIONS.
ES-2. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO
THE PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE
COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO
THE FINAL INSPECTION.
ES-3.•ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR
TO OR AS THE FIRST STEP IN CLEARING.
ES-4: A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL
BE MAINTAINED ON THE SITE AT ALL TIMES.
ES-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 CONTRACTOR SHALL SUBMIT A
SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND
APPROVAL BY THE PLAN APPROVING AUTHORITY.
ES-6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL
EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND
SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY.
ES-7.•ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL
MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING
S17E DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED.
ES-8: DURING DEWA7ERING OPERATIONS, WATER WILL BE PUMPED INTO AN
APPROVED WATER FILTERING DEVICE.
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 EFFEC7VENESS
OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY.
EROSION CONTROL NOTES
1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE
PRE-CONS7RUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND
DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION.
2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED
ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE NRGINIA EROSION AND
SEDIMENT CONTROL HANDBOOK AND ORGINIA REGULATIONS VR 625-02-00 EROSION AND
SEDIMENT CONTROL REGULATIONS.
J. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS
THE FIRST STEP IN CLEARING.
4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE
MAINTAINED ON THE SITE AT ALL TIMES.
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 CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO
THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY.
6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION
CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS
DETERMINED BY THE PLAN APPROVING AUTHORITY.
7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT
ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING S17E DEVELOPMENT UNTIL
FINAL STABILIZATION IS ACHIEVED.
8. DURING DEWATERING OPERATIONS WATER WILL BE PUMPED INTO AN APPROVED FILTERING
DEVICE.
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 BE
MADE IMMEDIATELY.
10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA.
11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL
SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER
DEBRIS
12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER
ZONING ORDINANCE SECTION 5.1.28.
13. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301 OF
THE CODE OF ALBEMARLE.
14. BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT SHALL
BE LIMITED TO THE HOURS OF 7..00AM TO 9:OOPM.
15. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAN
MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS,
PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY
PUBLIC STREET BECAUSE 0 SLIDES, SINKING, OR COLLAPSE.
16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR CONVERT
TO PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION
CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE SALE OF ANY LOT,
UNIT BUILDING OR 07HER PORTION OF THE PROPERTY.
17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO
BE AT 75 LBS/ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO CONSIST A
50/50 MIX OF ANNUAL RYEGRASS AND CEREAL WINTER RYE, OR IN MARCH AND APRIL TO
CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET.
STRAW MULCH IS TO BE APPLIED AT 80LBS 100SF. ALTERNATIVES ARE SUBJECT TO
APPROVED BY 774E COUNTY EROSION CONTROL INSPECTOR.
I& PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND
MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90LBS/1000SF,
INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT
1000LBS/ACRE AND CONSIST OF A 10-20-10 NU7RIENT MIX. PERMANENT SEEDING SHALL
BE APPLIED AT 180LBS/ACRE AND CONSIST OF 95% KENTUCKY 31 OR TALL FESCUE AND
0-5% PERENNIAL RYEGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS TO BE APPLIED
AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVED BY THE COUNTY EROSION
CONTROL INSPECTOR.
19. MAINTENANCE ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH
RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIR
IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 50% OF THE WET STORAGE VOLUME
IS FILLED WITH SEDIMENT. ALL 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 MUST BE CLEANED AND REPAIRED
IMMEDIATELY.
20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED
WITHIN 30 DAYS OF FINAL SITE STABILIZATION, WHEN MEASURES ARE NO LONGER NEEDED,
SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR.
21. THIS PLAN SHALL BE VOID IF THE OWNER DOES NOT OBTAIN A PERMIT WITHIN 1 YEAR OF
THE DATE OF APPROVAL. (WATER PR07EC77ON ORDINANCE SECTION 17-204G)
22. PERMANENT VEGETATION SHALL BE INSTALLED ON ALL DENUDED AREAS WITHIN NINE (9)
MONTHS AFTER THE DATE THE LAND DISTURBING ACTIVITY COMMENCED. (WATER
PR07ECI0N ORDINANCE SECTION 17-207B)
DESCRIPTION OF EROSION & SEDIMENT
CONTROL MEASURES:
EROSION AND SEDIMENT CONTROL MEASURES,
IT IS ANTICIPATED THAT TWO SEDIMENT BASINS, CONSTRUCTION ENTRANCE,
CONSTRUCTION ROAD STABILIZATION, RIGHT OF WAY DIVERSION, DIVERSION DIKE,
OUTLET PROTECTION, INLET PROTECTION, TREE PR07EC77ON AND SILT FENCE WILL
BE INSTALLED TO CONTROL SURFACE DRAINAGE. TEMPORARY SEEDING WILL BE
USED IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE ACTIVITIES. TEMPORARY
STOCKPILE AREAS WILL BE MAINTAINED FROM TOPSOIL THAT WILL BE STRIPPED
FROM AREAS TO BE GRADED AND STORED FOR LATER SPREADING. STOCKPILE
LOCATIONS SHALL BE ON SITE AND SHALL BE STABILIZED WITH A TEMPORARY
VEGETATIVE COVER. PERMANENT SEEDING WILL BE PERFORMED FOR ALL AREAS
WHICH WILL NO LONGER BE EXCAVATED AND WHERE CONSTRUCTION AC7W77ES
HAVE CEASED. PERMANENT SEEDING SHALL ALSO BE PERFORMED FOR ALL
DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR A YEAR OR MORE.
SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED.
TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL
BE LEFT DORMANT FOR MORE THAN SEVEN DAYS. THESE AREAS SHALL BE
SEEDED WITH FAST GERMINATING VEGETATION IMMEDIATELY FOLLOWING GRADING
OF THOSE AREAS. SELECTION OF SEED MIXTURE WILL DEPEND ON THE 77ME OF
YEAR APPLIED.
3.01 SAFETY FENCE - SAFETY FENCE WILL BE INSTALLED AROUND THE EXISTING
SEDIMENT BASINS.
3.02 CONSTRUCTION ENTRANCE - ONE CONSTRUCTION ENTRANCE SHALL BE
INSTALLED. THIS WILL BE THE ONLY POINT OF INGRESS AND EGRESS TO THE
SITE CARE WILL BE TAKEN TO PROTECT ADJACENT ROADWAYS FROM TRANSFER
OF SEDIMENT
3.05 SILT FENCE- SILT FENCE WILL BE PLACED ON THE DOWNSTREAM SIDE OF
DISTURBANCE WHERE N07ED ON THE PLANS.
3.07 STORM DRAIN INLET PROTECTION- lP WILL BE INSTALLED ON EACH
PROPOSED INLET AND YARD DRAIN AS SHOWN ON THE PLANS.
3.09 TEMPORARY DIVERSION DIKE- A DIVERSION DIKE WILL BE USED AROUND
THE PERIMETER OF SITE DISTURBANCE WHERE SHOWN ON THE PLANS TO DIRECT
RUNOFF TO ON-S17E SEDIMENT CONTROL FACILITIES.
3.11 TEMPORARY RIGHT-OF-WAY DIVERSION- A TEMPORARY RIGHT-OF-WAY
DIVERSION IS PROPOSED AT THE CONSTRUCTION ENTRANCE, LOCATED ON THE
PARK RIDGE DRIVE.
J.14 TEMPORARY SEDIMENT BASIN - TEMPORARY SEDIMENT BASIN WILL BE
INSTALLED WHERE SHOWN ON THE PLANS.
3.18 OUTLET PROTECTION- TO BE PROVIDED AT THE OUTFALL OF DRAINAGE
PIPES WHERE SHOWN ON PLANS.
3.19 RIPRAP- RIPRAP SHALL BE INSTALLED AS OUTLET PR07EC77ON WHERE
SHOWN ON THE PLANS.
3.31 TEMPORARY SEEDING- TEMPORARY SEEDING SHALL BE APPLIED WHERE
SHOWN ON THE PLANS.
3.32 PERMANENT SEEDING- PERMANENTLY SEEDING SHALL BE APPLIED WHERE
SHOWN ON THE PLANS.
3.38 TREE PRESERVATION AND PROTECTION- TREE PRESERVATION FENCING
SHALL BE INSTALLED WHERE SHOWN ON THE PLANS. NO TREES SHALL BE
HARMED OUTSIDE OF THE LIMITS OF TREE PR07EC77ON FENCING.
3.39 DUST CONTROL- DUST CONTROL SHALL BE APPLIED THROUGHOUT THE SITE
WHERE SHOWN ON THE PLANS.
STORMWA7ER MANAGEMENT•
STORMWATER QUAN77TY AND QUALITY COMPLIANCE IS MET THROUGH THE USE OF
THE EXISTING LEVEL ll WET POND ON SITE. SEE FOOTHILL CROSSING AMENDMENT
#6
VSMP PLANS AND CALCULATIONS.
MAINTENANCE.'
IN GENERAL, DURING CONSTRUCTION THE RLD OR CONTRACTOR ON -SITE WILL CHECK
ALL EROSION AND SEDIMENT CONTROL MEASURES DAILY AND AFTER EACH
SIGNIFICANT RAINFALL. MONITORING REPORTS WILL BE REQUIRED FROM THE RLD IF
NEEDED. SPECIFIC ATTENTION WILL BE GIVEN TO THE FOLLOWING ITEMS:
a. SEDIMENT BASINS WILL BE CLEANED AND MAINTAINED IN ACCORDANCE WITH THE
VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK.
b.ALL INLET PR07FC77ON AND GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR
SEDIMENT BUILDUP THAT WILL PREVENT PROPER DRAINAGE. IF THE GRAVEL IS
CLOGGED BY SEDIMENT THE GRAVEL WILL BE REMOVED AND CLEANED, OR IT WILL
BE REPLACED.
c. ALL SILT FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING OR
DETERIORATION OF THE FABRIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL
BE REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHED HALF WAY TO
THE TOP OF THE BARRIER.
d.ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE THAT A GOOD STAND
IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED.
IN CASE OF EMERGENCY, THE PRIMARY CONTACT FOR THE PROJECT WILL BE THE RLD
OR CONTRACTOR ON-S17E. THE CONTRACTOR WILL BE DETERMINED AT THE 77ME THE
CONTRACT IS AWARDED. IN ADDITION THE OWNER MAY BE CONTACTED, MR. ALAN
TAYLOR. UPON COMPLETION OF THE PROJECT, THE OWNER WILL BE RESPONSIBLE
FOR SITE MAINTENANCE.
TABLE 331-11
ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS
-QUICK REFERENCE FOR ALL REGIONS"
Rate
Planting-, Dates S§eues
bs. acre
Sept. 1- Feb. 15 50150 Mix of
Annual Ryegrass
(I.otium multi-flomm)
&
50 - 100
Cereal (Winter) Rye
(Swale mreale)
Feb. 16 - Apr. 30 Annual RycF-
60 - 100
(Islium multi-flomm)
May 1 - Aug 31 German Millet
50
(G a a i al'ral
Source: Va. DSWC
TABLE 3.39-A
ADHESIVES USED FOR DUST
CONTROL
Water
Application
Dilution
Type of
Rate
Adhesive
(Adhesive: Water)
Nozzle Gallons/Acre
Anionic
AsphWt Emulsion
7:1
Coarse Spray
1,200
latex Emulsion
12.5:1
Fine Spray
235
Resin in Water
4:1
Fine Spray
300
Acrylic Emulsion
(Non -Traffic)
7:1
Coarse Spray
450
Acrylic Emulsion
(Traffic)
35:1
Coarse Spmy
350
Source: Va. DSWC
jri4FaA14F off
PURPOSE.•
THE PURPOSE OF THIS LAND -DISTURBING ACTIVITY IS TO CREATE THE ROADWAY AND LOTS FOR GLENBROOK
PHASE Ill. THE TOTAL ACREAGE TO BE DISTURBED IS 20.05 ACRES.
EXISTING SITE CONDI TIONS-
THE EXISTING PARCEL IS VACANT AND HILLY. THERE IS AN EXIS77NG STREAM THAT RUNS ALONG THE
SOUTHERN SIDE OF THE PARCEL. THE STREAM FLOWS WEST TO EAST ALONG THE PROPERTY LINE. THE SITE IS
GENERALLY WELL DRAINED AND SLOPES FROM THE NORTH TO THE SOUTH. EROSION AND SEDIMENT CONTROL
MEASURES HAVE BEEN DESIGNED TO CONFORM TO THE EXISTING SITE SLOPE AND PROTECT THE PERIMETER
STREAMS AND ADJACENT PROPERTIES. TWO EXISTING SEDIMENT BASINS (#1 AND #J) EXIST ON THE S17E FROM
PREVIOUS VSMP APPROVALS OF THIS SITE.
ADJACENT AREAS.•
THE SITE IS POSIT70NED BETWEEN THE CSX TRAIN TRACKS TO THE NORTH, GLENBROOK AT FOOTHILLS PHASE I
& ll SUBDIVISIONS TO THE EAST EXISTING PARKSIDE VILLAGE RESIDENCES TO THE WEST AND AN EXISTING
STREAM TO THE SOUTH. THE GLENBROOK AT FOOTHILLS I & ll SUBDIVISIONS ARE CURRENTLY UNDER
CONSTRUCTION.
OFFSI7E LAND DISTURBANCE. -
THERE IS NO OFFSI7F LAND DISTURBANCE REQUIRED WITH THIS PLAN.
CRITICAL AREAS. -
NO PRESERVED STEEP SLOPES ARE PROPOSED TO BE IMPACTED. STREAMS, STREAM BUFFERS, SWM FOREST &
OPEN SPACE EASEMENTS AND OCCUPIED RESIDENTIAL LOTS ARE TO BE PROTECTED. SILT FENCE SHALL
PROTECT EXISTING HILL TOP STREET.
SEE SOIL BOUNDARIES AND NAMES ON THE PHASE / EROSION AND SEDIMENT CONTROL PLAN, AND THIS SHEET
FOR THE SOIL DESCRIPTIONS.
SEQUENCE OF CONSTRUCTION:
1. NOTIFY ALBEMARLE COUNTY TO SCHEDULE A PRE -CONSTRUCTION MEE77NG AS REQUIRED.
2. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT THE
APPROVAL FROM THE ESC INSPECTOR ON THE PROJECT.
J. CONTRACTOR SHALL IDENTIFY THE LIMITS OF DISTURBANCE AND INSTALL TREE PR07EC77ON TAPE ALONG
THE BOUNDARIES AS SHOWN ON THE ESC PHASE V1T PLAN. THE CONTRACTOR SHALL INSTALL TREE
PR07EC77ON FENCING WHERE INDICATED ON THE PLANS BEFORE ANY SITE DISTURBANCE SHALL TAKE
PLACE. CONTRACTOR SHALL ENSURE THAT TREES TO BE SAVED ARE FLAGGED ALONG THE LIMITS OF
CLEARING.
4. INSTALL THE PAVED CONSTRUCTION ENTRANCE WITH WASH RACK AS SHOWN ON THE PLANS.
CONSTRUCTION ENTRANCE TO BE INSTALLED WHERE CONSTRUCTION VEHICLE ROUTES INTERSECT PAVED
PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY (VEHICULAR)
TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PUBLIC ROAD
SURFACE, THE ROAD SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE
REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTING TO A SEDIMENT CONTROL
DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS
MANNER. INSTALL THE WASH RACK UPHILL FROM THE PROPOSED SEDIMENT BASIN LOCATION. A DIVERSION
SHALL BE INSTALLED WHERE SHOWN ON THE PLANS, DIRECTING RUNOFF FROM THE SITE, WASH RACK,
CONSTRUCTION ENTRANCE AND RIGHT-OF-WAY DIVERSION TO THE SEDIMENT BASIN. ACSA WILL DETERMINE
THE APPROPRIATE METHOD OF SUPPLYING WATER TO THE WASH RACK. PARKING AND CONSTRUCTION
ENTRANCE AREAS SHALL BE CLEARED OF ALL VEGETATION, ROOTS, OR OTHER OBJECTIONABLE MATERIALS
BEFORE CONSTRUCTION ROAD STABILIZATION IS INSTALLED.
5. INSTALL THE REMAINING INITIAL CONSTRUCTION MEASURES AS SHOWN ON THE PHASE l EROSION CONTROL
PLAN SHEETS. THIS INCLUDES RESTORING THE EXISTING SEDIMENT BASINS TO DESIGN CONTOURS, AND
INSTALLING SILT FENCE WITH WIRE BACKING AND THE DIVERSION BERMS. STABILIZATION MEASURES SHALL
BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, BERMS, AND DIVERSIONS IMMEDIATELY AFTER
INSTALLATION. MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WI77-1
ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE
TAKES PLACE.
6. ONCE ALL THE EROSION CONTROL ITEMS HAVE BEEN INSTALLED AS SHOWN ON THE PHASE I EROSION
CONTROL PLAN AND THE INSPECTOR HAS APPROVED THE EROSION CONTROL MEASURES, THE CONTRACTOR
CAN BEGIN GRADING OPERATIONS THE CONTRACTOR SHALL ENSURE THE EROSION & SEDIMENT CONTROL
MEASURES SHOWN ON THE PHASE ll EROSION CONTROL PLAN SHEETS ARE INSTALLED. MEASURES
INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE
ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE.
7. THE CONTRACTOR SHALL ROUGH GRADE THE ROAD AND ITS TIE-IN SLOPES TO THE CONTOURS SHOWN ON
THE ESC PHASE V111 PLAN.
8. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN
DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION
SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL
REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE
APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR.
9. THE CONTRACTOR CAN 77-IEN BEGIN INSTALLING THE PROPOSED UTILITIES, CURB AND GUTTER, STORM
SEWER AND THE CONNECTOR ROAD. IMMEDIATELY FOLLOWING THE INSTALLATION OF THE DROP INLETS
INLET PROTECTION SHALL BE INSTALLED. INLET PROTECTION SHALL BE INSPECTED AFTER EACH RAINFALL
EVENT AND REPAIRS SHALL BE MADE AS NEEDED. IF THE STONE FILTER BECOMES CLOGGED WITH
SEDIMENT SO THAT IT NO LONGER ADEQUATELY PERFORMS ITS FUNCTION, THE STONE MUST BE PULLED
AWAY AND CLEANED AND OR REPLACED. INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN
ON THE ESC PHASE IX PLAN.
10. NO 17EM SHALL BE REMOVED UNLESS THE UPSTREAM AREAS ARE STABILIZED AND THE INSPECTOR GIVES
PERMISSION.
11. MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT
CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN
ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK.
12. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER
FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED UNLESS
OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM ADMINISTRATOR. TRAPPED SEDIMENT AND THE DISTURBED
SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY
STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION.
La
SECTION A -A
PIPE OUTLET TO FLAT AREA WITH NO DEFINED CHANNEL
fPLAN
SECTION A -A
oP PIPE OUTLET CONDITIONS 3.18-1
NO SCALE
FTLTRR FABRIC
EITMITCIED a'
COMPACIIM SOB. K 3' NBUM TR - y
RA' Mill. III III III- DTI-IIIII-IIIIIII IIJIIII-�1�11-III
I III I I�rl�rll�ll�ll��rll�I � I�II�I�� ¶ � 1�i=
III I i �li slim=m=TT� -
e 11B110R
DD TEMPORARY 24" DIVERSION BERM
1. SET POSTS AND EXCAVATE A 4"X4"
TRENCH UPSLOPE ALONG THE LINE
OF POSTS
i
FLOW
2. STAPLE WIRE FENCING TO THE POSTS.
5- SM-2A •.1_1 TOP
COURsF ExIsTINC
22 2%
A P vEMENr
e- MN 2'A AcOREGATE SASE
PRon
sTO�r 70' MW.
CoN31-JI ii . AST T PAVED
ACCES`' A WISNRACK
EVEVII0
2x pR PAVEMENt
n +2' url
-vus- EKTr NC FULL WIDTH-POSIME DRAINAGE
aINGRESS AND EGRESS TO MDRIENT
TRAPPING NG DEVICE PIBN
12' WN. POSITIVE OPNNAf.I
2z To SEMMEW
1RAPPINc. DEVi( I
FLTrR
SECTION A -A
A auu uWun wata lap of I In<h uak I he u1rlaSnl with a nrmunuu 1 Inch haDK ock
AhmdPRrah-e SUPI %ulg a Wash ho,e wmdl a rhamAa 011 ! 1111b" Em xlapWt<
aon'tard prennlue WAnh Wala unral he Aanlnl Awn% hom die alnalne to all
grploral eenlula aea to Tnnm'e sa4nall dS +aWnrnl dla0 be prnminl Dom
catemp storm (hams. hldles of walncorv' a
PAVED WASH RACK
1992 3.01
sent e: d from Conwed Pl
astics and Ram . 1-I
VDOT 30
VDO'T Read and Bridge Standards
TOTAL LBS
GENERAL SLOPE (3:1 OR LESS) PER ACRE
KENTUCKY 31 FESCUE 128 LBS.
RED TOP GRASS 2 LBS.
SEASONAL NURSE CROP 20 LBS.
SEASONAL NURSE CROP 150 LBS
FEBRUARY 16 THROUGH APRIL
ANNUAL RYE
MAY 1 THROUGH AUGUST 15 FOXTAIL MILLET
AUGUST 16 THROUGH OCTOBER ANNUAL RYE
NOVEMBER THROUGH FEBRUARY 15 WINTER RYE
NOTES:
1. LIME AND FERTILIZER NEEDS SHALL BE DETERMINED BY SOIL
TESTS AND APPLIED IN ACCORDANCE WITH VESCH STD. 3.32.
2. SEEDINGS TO BE MULCHED IMMEDIATELY UPON COMPLETION
OF SEED APPLICATION, IN ACCORDANCE W/ VESCH STD 3.35.
PS PERMANENT SEEDING SCHEDULE
NO SCALE
(STD. & SPEC. 3.32 OF VIRGINIA EROSION &
SEDIMENT CONTROL HANDBOOK, 3RD ED.)
CURB INLET
WIRE SCREED
CONCRETE BLOCK
�-
GRAVEL* f7L7ER
OR #5 COARSE AGGREGA7E.
OBLOCK & GRAVEL CURB INLET3.o7-s
TIP SEDIMENT FILTER
NO SCALE
J. ATTACH THE FILTER FABRIC TO
THE WIRE FENCE AND EXTEND
IT INTO THE TRENCH.
� ��r=1111111'
SILT FENCE
sF CW/TH WIRE SUPPORTS 05-
NO SCALE
4. BACKFILL AND COMPACT THE
EXCAVATED SOIL.
li
FLOW
EXTENSION OF FABRIC AND WIRE INTO THE TRENCH.
Lic. No. 035791
?, 04/12/22
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SHEET NO.
8
_ u ' LEGEND LEGEND
E
- -- - - - _ - LIMITS OF LAND DISTURBANCE SF SILT FENCE PER VESCH 3.05 TH
-
\ 4--4 F DIVERSION DIKE SSF SUPER SILT FENCE PER VESCH 3.05
BOUNDARY LINE
L - - / / - - - - - - - _ _ / SF PROPOSED SILT - - - - \ \ _ - - - - ` / \-F SILT FENCE pp DIVERSION DIKE PER VESCH 3.09 SCOTT R. LLINS Z
_- -_-�-- -- FENCE TYP. -- _ _ \ \ TREE PROTECTION
`_ _ _ _ _ _ _ _ l ST SEDIMENT TRAP PER VESCH 3.16 U Lic. No. 035791
- - - - - - - f
- - -/ �-------_ --� -- -- -, �r--- --- - � -- DIRECTION OF FLOW
L J ) -653.75 PROPOSED CONTOUR CE CONSTRUCTION ENTRANCE PER VESCH 3.02 "op 06/02/22
- - - - - -
- _ _ _ / / _� - - - - - J ■ ■ ■ ■ DRAINAGE DIVIDE O��S Gti
_ _ - / - - - / - - TP TREE PROTECTION & PRESERVATION PER SIGNAL E�
J ----- -J - -� ------ --_ � =_ - -_=- ='�--- '/-------- / - L -� ---- / I INLET PROTECTION OP VESCH 3.38
OUTLET PROTECTION PER VESCH 3.18
_- -
- - - - _ - - sfls - -_ =i = _ _ _ � _ _ _ � ___ = APPROVED TC=16.5 mm -� � \ >F>F>F>F>F>F>F>F>F>F >F>F>F>F>F>F >F>Fx� � _ \ I - - - - - - � - CULVERT INLET PROTECTION PER VESCH
- -- la-- --- ° * - SOILS CIP
- - Tc=13.2 min. (100' OF OVERLAND FLOW AT 2 /° - ----- - - - - - - - ----------- IL LINE 3.08
---/ \
- - - - - J / / -/J� --------------- �- Tc=3.3 min. (755' OF CHANNEL FLOW AT 6%) ROCK CHECK DAMS PER VESCH 3.20
20' WATERLINE EASEMENT 1 / / / / - - \ \ \ \ \ \ \
STEEP SLOPES / D.B. 611, PG. 440 / / / / - - �- , \ \ \ / \ \ \ - I \ 1 ; \ g/M SOIL STABILIZATION MATTING VESCH 3.36
a BM 1 \ I / D.B. 692, PG. 148
/
/ TOP OF I 1f I / < / /' / 4f#/r ` - \ \ \ \ \ \ \ PROPOSED CHANGES:
�1H=671.09 / / \ \ \ / / /� fi ° \ \ \ \ \ 1. UPDATED EXISTING TOPOGRAPHY FOR FIELD CONDITIONS N N
1 1 I \ \ \ \ / ♦ \ \ \ \ \ 2. ADDED DIVERSION EAST OF SEDIMENT BASIN 1. 00 N
V\�-� A \ 3. UPDATED PHASE 1 SEDIMENT BASIN 1 DRAINAGE AREA. v
/ 1 _ -676) I \ `� \ _ \ \ \ \� \ - f - \ - \ \ \ 4. REDUCED LOD TO INCLUDE GLENBROOK III DEVELOPMENT ONLY. W o
- - \ - - -676- - �_ ---__ - _ / \ \ r \ \ / 5. ADDED CONSTRUCTION ENTRANCE AND REQUIRED ESC ELEMENTS AT EXISTING TERMINUS OFtE
\\sue \ \ / - \\ \ \ \\ OVERHEAD /I / \ I I / PARK RIDGE DRIVE. O J O o
COUNTY OF ALBEMARLE - - \\ \ ' ELECTRIC LINE = I ' • ' / ¢
` \ \ / / / / / /' / NOTE: NO CHANGES PROPOSED TO THE EXISTING, APPROVED SEDIMENT BASINS. DRAINAGE AREA TO � k w
-DEED OF DEDICATION TO ALLOW FOR THE �� TOP srae . \ °\ -'' / / / PHASE 1 SEDIMENT BASIN 3 IS UNCHANGED. THE DRAINAGE AREAS TO SEDIMENT BASIN 1 ARE N m g x
��
CONNECTION OF PARK RIDGE DRIVE TO / -' -\ I \\ �I 1 \ \ \ ` - / / / / / ' CHANGED WITH THIS AMENDMENT, BUT THE DRAINAGE AREA, TC, AND CW ARE LESS THAN OR EQUAL Z "' D 0 0
HILL TOP STREET HAS BEEN RECORDED, / �� \ ' I I V / °ss TC=16.2 min. - / / / - TO THE APPROVED DESIGN VALUE. z U) u u
-D.6. 4850, PG. 52 \ I \ \ min. (100' OF OVERLAND FLOW AT 2%) / / J O ¢
APPkOV E D \ \ \ \ Tc=3 min. (755' OF CHANNEL FLOW AT 6%) - / / / /' \ �.,♦
' \ V w OU O
PHASE I \ \ \ PROPOSED �\ \ - _ / / / / / \ H a W
' \ �/ \ \ STOCKPILE i / / / / / / /' / �WPO BUFFER (TYP.) w
ILL TO�ST EET % v A A - - v / / / I / / - > m Lu
NOT TO BE USED FOR I \V 1 �1 SED BASIN 3 VA/sue \� SURROUNDED BY -// - / /� / PROPOS�EDTRE� ' ��� W � w ONSTR C ION T FFI v 7( \ - SILT FENCE L -' /
/ (�+ Q \ \ '� �/ � �-� / �" � --- � / / I ROTECTION Tp, / / -- ��- /-------��/�
6.28 ac. A �v / /' �' J FENCE (TYP.) (D/ i % o,0
ce
B
DC Tc=16.5 min. \\%�
i s T EXISTING DIVERSION BE - 1 \• \ '// EX. SAN.
--CONTRACTOR SHALL ENSURE q \ /�}- SWR TO BE
/ POSITIVE SLOPE MAINTAINED, 1 7 I \ REMOVED �\ / \ ' / - / / I ' / / / / % nN N nNi
/ /' DD 18" BERM PROVIDED, BERM TS
- - - - \ \ // / PROPOSED OP bP _ _ - - - - \
/ SHALL BE STABILIZED AS A / \ \ T - - _ - / - - / //
Q N .--I O
FIRST STEP IN DISTURBANCE DC P R POS e> - - - / FOR WA HOUT \ 0 0 0
/ \ \ s's. ? 1/ �J i / /' - P OPOSED ONTRACTOR PROPOS�D CONCR TE \
. XISTING TREI`LINE CRS \ WASHOUT AREA �°S9
\ [�\ / / - / / -PA KING AND STAGING AREA <. ' ' ::::: :
A v V / A LOCATION OF V %•. • .
EXISTING SAFETY FENCE \ \ �� \ '' - - - - - POCATId OF S \ \ \ \
INSTALL SIGNS "WARNIN /`/ \ \ \, \ a?\ \\ \ / �_ \.`.'.`.'.'.......... `.:.. /, _
/ QUICK SAND, KEEP OUT" D BASIN
�`� --�� LOCATIONOF .'...'.:.:.......`. :...i:�.:.' ...`i..
14.73 ac. \\ i UE INGAREA.
`y- • - LS2T-154-/Lu
- - - \ �_ 6/\\ \\ / I I \ o - - PROPOSED PAVED CONSTRUCTION�ENTRANCE'� - �,
------- _ / �C s>s T /
/ I \ Cw 0.45 \/ \° \\\\ I / . : '. (12'x70' MIN.) W/MENTWASH RACK &DOWN S F -
I EX. SAN. - / / \ -DEVICE'CJ' -
swR TO BE / LASH RUNOFF FROM VEHICULAR -
\ I \ \a REMOVED \s _ ` ss� X > TO TREAT FLASH - M
a /i m\.tea ----- --------- - _ _ WASHOFF
Tc=10.2 min: /. I/ TS - .�T2 - - _ .... TRAPPING IMEN /-
/ \ l - / \° a -PJ(6 ON C SHA L INSTALL 7
sC EXISTING 24AP RISER ' _ \ / / I _ J s7r = - - - \. , - L
TI I I. '670
` A ROW DIVERSION ACROSS ' T \
PORTION OF EXISTING / DC / m,% / / \ s7a i• j • /� THE CgNSTRUCTION ENTRA t
/ /
BA ,,�/ SANITARY SEWER A BE / /\ \ \ / / \ LOT 73 ♦ I -
- EXISTING 18" RCP BA REL- - -6�F _ REMOVED AND REPLACED_ / / / 1 7 / -SFD I I � l �o \ ♦ I I !--' 666' r . LL
1 - -� - ° \ / / LOT 74 - - - - \ \ \ I \• <sss / CV
L=54; S=0.50 /° / / ° a L f .' - - >
/ EX. STONE OUTFALL IN / m / -LOT 72 \ / �
/ OP ��` / �n A $C ai / / / ro SFD/ , \ / �� I F IsoPgl.sPeJ=
BASIN 6'Wx5'Lx2'D TYP. I INV IN= 653.60 NOTE: ALL SEWER MAINS AND / / o / T / SFD \ \ YY I / ��e• { •'g'
INV OUT=653.33 MANHOLES UPSTREAM OF / , / / \I ♦ \ I .0 ` W
EX-MH-Foothill-10-1 SHALL BE oti \ / / \ o \ • I '9 \' I CN �/'�
REMOVED .\ / / / /6 i/ \ / , i l / `��` \ \ \ I I'/',,� .\. •. . LOT 132 / . V J
- - - - -ss / / \ \ / \ \ LO 67 S \ SFA
/ t a. O' ACSA S / / / / / / ^ \ I I / 5�- ��-
\wTmy - v v 660- v �v v ` �' SEWER EASEMENT � / / /I / �/ LOT 71 D I i ' A�:O A VA V /� 2
VVV _ EX MH PSV OS-17 uex rnswcrvr \ \ \ \ \ = - - - -DB.5075, PG.664 i // _ 'cpti ,' / / SFD/ / / SFD / I / \ / '/ \ �� \ \ LOT 133 / < ^
--_---- l Lono \ � 6�, \ o�� �. sFA
�// ` I / \ L \
. - - - \ \ EX \ \ - - - \ / i / o\ ��� 7' i % \ / SFD /� \ LOT 68/ / / - \ ,. (�` `• / -i '% 7
/ .'. .'.'.' .'.' - - - \ / m / / r - \ / / / / \ 1 SFD♦ 1 - \ LOT 61 ��LL .;' .A _ \, < / LOT A J ` L
TO REMAIN - - `/ / / / / / I I I / / ♦ SFA •\\.- ' G .�.\ SFA _
LIMITS OF DISTURBANCE \ / . / /
/ . . . $ .,. '-�LL=LL:'.' / / , i / LOT7 \ / I �C. \. - n ` �\ LOT 1 / ^
�'•' I I e I I LOT 62 �'
=20.05 AC. `LL. AREA OF EXISTING. ` y \ - - / // / / . � \ \ SFA \ L.L `• �. X \ \ - - - l SFD � � - \ LOT,69r -s6e� ` \ � / -\ .'\. 'P \ �- � SF �y
LOD PREVIOUSLY. -' • =.. ~ �. -. . _ \ �* \ \ - i % l i / - - . \/ .�\ \ °y \. ® LLI
APPROVED WIT �. / i / / \ / T6 / p p\ ^ J
EXISTING V EARTHEN EMERGEf�CY > .` �� /r Y ` \ LOT
/ 6 ,- \ �� \ 1..�
POND 2B WEST . \ ,' / ' / / '� \. :...
\ g ILLWAY AT LEV. 657.00 �' Z / / / / \.'.'\ O
V A V L -.'. `.-.`. �// l / / LOT 64 / /� A. . .� V.- .�y� /\ Q
\ \ \ EX. ACSA SANITARY SEWER I EXISTING DIVE N BERM - - - - ' - `
•. � \ / / � / � / / / LOT�/7\ / �� � I \ � SFA
IN 20' ACSA SANITARY ESMT CONTRACTOR SHALL ENSURE'.' Ex MH PSV OS-16 . \-. \ I / J! / / It / /, '\ / / \ / / / ..\` `. o ` V)
• \ 'F _ o / E/ / SFD \/ / o 1 \
\ D.6.1997,PG. 2356 I DD POSITIVE SLOPE MAINTAINED,' .`.' `LL \- .'.'.'.'\.�1'. �� // / // \ \ / �I Lorss
.�.'.�. A / / i / 1'0�78 v SPA / .A'. / A \ Q
18" BERM PROVIDED, BERM.--•.. V ` V F / k / / A 8 v A \
EXISTING TREE AREA - - - - I l `P o / l / / ° SFD LOT 79 V o
\ - - SHALL BE STABILIZED AS INCLUDES A MIXTURE , �� /� \
_ _ . .� \ SB� /% /. i 20-ACSAWATER / / / \, �` / -SFD \ / ' < \. t. U (O'
- -� I J I FIRST STEP I�ISJURBAN '- OF EVERGREEN AND .\.' \ \\ / // / / / / ��/ / / / EASEMENT / / \° / / / \ \' \ ' \_ `- / v
`-bEQIDOUS TREES /\ \ ' Y /� / / / \\ / LOT 80 \ 72 0- ,I \ \ < \- - \ t
I i,•\'. \ i - / / / DB.5075, PG.664 / '\�. ♦
/ i -, ♦ SFD \ / I � � i- \�� `• H�
� v / �v �� • Y
FENCE TYP. * .. �� ' / T 9\ \ I Z
/\ �� �'�i ��� •. �.`.;.)LL..LL \* /, GSAF TY�ENCR// / EXISTINGTREELINE \ ,, J/ gyp/i\'LL ,\sY� \ \\ LLI V
ISTIN E \ I
J - \ 35' EARTHEN EMERGENCY.. \ NSTALL SIGNS "WARNING %C
\. // /%/�/ �\ \ \, LOT81 �/� \---//L6FA�\
IPLV�yY-�T ELEV. ¢5.0. `t- \ \ QUICK SAND, KEEP OUT" \ / SFD r /\ \
\ .`.'..�.. LL IXISTINGI48" f�C / l i \ \♦ J ...OPHN. AC / Lg1\12 \. \ V /
F. STONE OUTFALL 1NTd` . \' E P ♦�IS�ER / /4 \ ♦ 1 O /. ! ....... `.. `. F
/ �� BASIN 6'Wx5'Lx2'D TYP. - �f IM=649. 0 / J -EXISTING TREE AREA �- � �LL.j....LL. - r ... \ ,% �\ F-V) w
� - --�• . - - - \ INCLUDESAMIXTURE-o r-•.•.•, - -
ul
\\�� IF2 / \ 20'ACSASANITARY 'r- - - - - -' \ ,may\ /\� - \ -- ZW
I OF EVERGREEN AND I� LOT 82 .;r �� L'. �.1 .`.'I• _- � "., h�l-� / \ � �� O
SEWER EASEMENT / \ J i. `.'. `.' 4 ..`. `.'.`f.%.-:.. - x
DECIDOUS TREES ♦ r SFD I Q % .+. `.'.` -.LL.�.`. `.I . f / . 4_ \ S L\0�1$6 - \ `-
7 PORTION OF EXISTING r \ DB.5075. PG.664 - \ I' I - i / . .{.LL._.N. ._. LL./. ,,w\- '9G� i� A\�� �`' (1/ a+6/
SANITARY SEWER TO BE / / \ / - J I . .t. . .F. . .///. : Ge ��O / "
!'
LOD PREVIOUSL / - I - --- \ 0125 / \
/ _ \ -k \ y1 I/ REMOVED AND REPLACED, �� V Z
CREEK APPROVED WITH .. / m } \ I\ \ - _ / \ / !'.'.'.`.\.` v .' l \
\., PROPOSED STONE OUTFALL INTO - \ _
POND . �. I I / LOT .... RY ^' I
.` V BASIN 6'Wx5'Lx2'D (TYP.) OP v - -' - / / / SFD - _-`• IN i '\PROPOSED DIVERSION BERM /
- / / 7B / / / ♦ / \ / I \ CONTRACTOR SHALL ENSURE LU i--i
PORTION OF EXISTING 20' / / _ %� O
I / vv A. -- V / v RAINAGEV A
\ \ EX MH .`. -� \ - - - '`/ EMERGENCY ACCESS ROAD / / / \ 7 / /POSITIVE SLOPE MAINTAINED, pp
/ .n. _ A 21 A / V / g / / i nnn/// M
PSV OS-15 - LL- �'- \ ,.� \ \ _ TO BE RELOCATED WITH THIS / / /. 6 I 18" BERM PROVIDED, BERM \ U+
\ \ \ \ \ < EXISTING WOODEN -\- - PHASE OF DEVELOPMENT \ / / /' j / I /- o G 75 \ /
� \ Ex.A LESS EASEMENT 0 EMERGENCY \ v - / / ' \ SFD - / I / ISHALL BE STABILIZED AS A W
II I �a SFA \ v V A V BAFFLE \ \. 0e sazo Pc sas v _ - // \ LOT Sa / \ V 1� IRST STEP IN DISTURBANCE
I _ / _ _ A J /
t
EXISTNGSOIL
EXISTING VDOT STD. CLASS A . ` .F Ex 20' SANITARY \ v v �_ LINE TYP. / \ 16 / A A A V A / // / / / CV LL
RIP •A� SEWER EASEMENT �`�` A \ ( V I / A - V '�' // I
v \\\ V A�\ W/GEOFABRICUNDERLAYMENT, .: �. 4e I997P\ 15 � � V 7 v- y! l //\ J I\ �� v9SFA
TB5 -LOT
0.Tfl8 i
/ // \ / \ \ \\ L=10, W1=8, W2=18 D 1.4. �\ / /
\ \ \ \ ii \,SF-� �89 O'si190 /J- ..5..' \■\■` ■\ ■ �/ ■4
EXISTING 30" RCPtBARREL .`. \ LOT 86 // - �� IFl� j'_`SF� \ I�\ \\ \ \ \ \ / j / A CHLINE -
�I 1 EXISTING SANITARY '\ / / �` \ �- - 670 / I \' \ \ �THIS SHEET w w
I \ I \ \ \ L=100'; S=0.50%. \ T - - o
v I \ \\\ \ SEWER TO REMAIN \PROPOSED DIVERSION BERM / �\ / s, �/� -666- / \ `LL / \
INV IN= 643.00 - _ - - / \..'� a V)
UT=642.5G - Ex. STORM DRAINAGE � \ / / CONTRACTOR SHALL ENSURE \ y. - • ��C / - - _ _ - / / / < r - •' \\\ \ \ \ \ \I \ \ /' JOB NO.
/POSITIVE SLOPE MAINTAINED,O \` \\ y64' \ . ` ` \
EASEMENT I / / DID
OB 5389 PG 75 18" BERM PROVIDED, BERM LOT 87 - - - \ _
I / / / -I v/ I / � v\ sFA ' � .:� / // - '�'�'• � -'- v v v \ v I 112066
-�- G AP IC SCALE 1 / \ \\ \ \ \
J _ I J \ �\ \ T , r // I SHALL BE STABILIZED AS A �� 1 I \ 6 / / sso_.\ \ \ \ \ I \\ '
FIRST STEP IN DISTURBANCE \ \
ao ss 120 / o ��- \ \ \ \ \ \S\.`. `.'. • \ \ -...f \/ SCALE
e / / \ \ / �0 666
I I 100'STREAM \ \ .. .-. -. .'-•:'-�.._' \ \ I � / � \ _--� -• �// I I \'. \ \ 1
`.4 T •.'.:. \ \ \ / /// / / \ \ '� SPACE LOT112 I I \.`...LL. .. \ (�\ �' 1n - 80'
BUFFER \ F� .;.a.^. . ° ..--. �.� ._�. . \ \ I i / , ry/ -
= - / I \ BENCHMARK: '.`. �-'.- - . \ \ \ \ \ \ \� / / / / \ \ / \ , .' .._. / �'11G" SFA LOT 111ILOT 110 T 107 �1- \.•.'.'. \ \\ \
\ I / \ / / SFA LOT 109 - -\ • \
EX MH PAR •,� -•• ,•,-.•'�•` // ( \ \ 09 ACRES /I SFA SFA LOT 108 Lp •\.:.\LL. - - •\;\• \\ \\\ \ S O
\ ET / I I 1 RIM=640' f.`a'.`.`.%�'. I \ \ I \ / 1 / I I SFA \ / HEETN .
( _ ) _ 1 I I \� / / \ \ \ / I SFA a�F�
) .. .
\ fi� EX MH PSV OS- . \ �. - . I \ / ^ \ / ..." " \\\ PRO O D ILT
60�It' _ / - INV IN 633.T - \ 06° / \
y \ \ / / / \ _ / / _.LL:`.,:\\\\ ,FENCE (TYP.) 7
� / INV OUT 633.4'\ MAT H INE - EE THIS HE \ / \
-- -- --
LEGEND LEGEND
\ �_- /------- GRAPHIC SCALE LIMITS OF LAND DISTURBANCE SF SILT FENCE PER VESCH3.05 �'yjv�H OFF
- _
- - - - - \ _ DIVERSION DIKE SSF SUPER SILT FENCE PER VESCH 3.05 D 30 60 120 240
-' BOUNDARY LINE
SF PROPOSED SILT SILT FENCE DD DIVERSION DIKE PER VESCH 3.09 SCOTT R. LLINS Z
/ _ - _ - _ - - - - FENCE (TYP.) - - - - - _ _ \ TREE PROTECTION ST SEDIMENT TRAP PER VESCH 3.16 U Lic. No. 035791 ,�
--NNW ---_- - _ - _-- --_ T- f DIRECTION OF FLOW
- / \ __ - - _ - - - - - - _ - - - -1 inch= 60 -ft.) _ 653.75 PROPOSED CONTOUR CE CONSTRUCTION ENTRANCE PER VESCH 3.02 "5.p 06/02/22
/ /I I I I I I I I I I - -1 01_I _M / - - - - - - _ _ -� J DRAINAGE DIVIDE TP TREE PROTECTION & PRESERVATION PER o��SSIONAL E�Ol
/- / ---- VESCH3.38
-
l - - - - - - - - - - - _ - - - - - - L - - - -
- - - - - - - - -- - - -- ---- - _ / - - INLET PROTECTION OUTLET PROTECTION PER VESCH 3.18
- - - - - - - - - - - - - - - - -
686 - - - - - - - - - -- - -86 - - - _ -
- - � L - I - - CIP CULVERT INLET PROTECTION PER VESCH
------ _ 684 �- - L-------- -� \-__-__-__-
_ \1 L \ SOILS LINE 3.08
ROCK CHECK DAMS PER VESCH 3.20
' MANAGED
STEEP SLOPES / // PS- - / i ' - / - �- /I \\ \ \ / \ _ \ I \ l I \ g/M SOIL STABILIZATION MATTING VESCH 3.36
/ / \
a BM #1 \
- - / TOP OF I / /r ` - \ \ \ \ \ PROPOSED CHANGES:
MH=671.09 m / \ \ \ / fi ° \ \ \ \ 1. UPDATED INTERMEDIATE GRADING FOR GLENBROOK III PLAN. N N
PROPOSED LANKE \ \ \ / \ peso \ \ \ 2. EXTENDED DIVERSIONS TO WEST AND EAST OF SEDIMENT BASIN. 0
a / I rq
MATTING (TYP.) BM I \ \ \ \ r \ \ \ \ \ \1 \ 3. UPDATED PHASE 2 SEDIMENT BASIN DRAINAGE AREA. v
676) - - - - \ _ - \ A V V v \ AV / 4. ADDED BLANKET MATTING. L w
e s _ _ e7� s v _ A sV A V VERHEAD m \ / / / O o
TMP 056A2-04-00-000A2 \ \ \ V v ss4- / V A V A V /� / I / / / ¢ z
/ \ E ECTRIC LINE / / \ k z
-COUNTY OF ALBEMARLE v v / \ V \ / , / V / // \ / / / / a w w
-DEED OF DEDICATION TO ALLOW FOR THE �� TOP smE r _ \ I \ \ \ / -\ \\ \ \ \ / / / / / / / N m
CONNECTION OF PARK RIDGE DRIVE TO \ / / / / Z w D O O
HILL TOP STREET HAS BEEN RECORDED, _/ \ \ A / - s V A \ - / / - O O
D.B. 4850, PG. 52 far \ I / I \ \ / \\ \ - s \ / r _Tc=1�8 min. / / / / l / \ \ O o Q
\ \ ss Tc=8.4 min. (100' OF OVERLAND FLOW�6�/o) / P z z
Ln
Tc=2.4 min. (560' OF CHANNEL FLOW AT 6.4 D� / / _ - I; > z O o
so \
\ \ I v PROPOSED vI� �v����v--�/ /! �/ I ��� a w
v OPOSED
ILL To�sTREE 1 V A v STOCKPILE / / /� _ - _ - - w LU
NOT TO BE USED FOR I N II \ \ \\ SURROUNDEDBY ` // \' // / /// / ��' W > S
ONSTR C ION TRAFFI I \ -674 - s \ - _ - / / PROPOSED TREE Uj w
I I
v v v SILT FENCE / 13
\ \ / - - - / / ROTECTION TP _
- --
/ ED \\ \\ / / // / / FENCE (TYP.) O /i ---- 650
/
\
v 21 2 C.
�W_�� PS_-
\ T,
67
M Uri, DC \ \�
\ \ /
r4 r4 r4
I /
r1i 1 CD
PROPOSED OP 6P
y /� -- --- - / / FOR WASHOUT \ \ ;.;.' 0 0 0
- - ' P OPOSED CONT OR PROPOSED CONCR TE \ \
i XISTING TREELINE // CRS \ �S
�A KING AND STAGING WASHOUT AREA \ e -
\ LOCATION OF \ \ • •
PORTA-POTTIES .
\ / OCATION OF
- - / I i // / / I \\ I I i \\ \ \ \ n _ 6 e� o\�\\ \/ I /_ i - - �/'% : _" 4' "- "` .' "' •' ' .�;.;..;.;..;.;.;.;.;.;.
.= J CYDUMPSTER.".•.•••••'L%• r;PROPOSED BLANKET LOCAT%%•..%.`."`.`s�'I..\;;
9BM
MATTING TYP. UELING AREA .-.-'' ENTRANCE -PROPOSED PAVED CONSTRUCTIOi�
A
(1)
RADIENT SEDIMENT TRAPPING DEVICE DC
L9
_ M
TO TREAT FLASH RUNOFF FROM VEHICULAR - - - - - M
w
ASHO F �
-� - - - - I I. ON C SHA L INSTALL \ z
IJ
666 - I 4 -+--1.
74 °� . 11e RAyE / --r
s�o /--- s7r = -- \\ s; \r"a.r;;•' -- �� w
-\ -
/ / J I - \ / \ \ \ i" s7a= i• - e6 THE C S CTION ENT / � ��,�R�. o A ROWpDIVERSION ACROSS / � \
LU
sss LOT 73 ! .. "\t - • N ;
SFD � /�
LOT 74I I -668 N
i r� T72 V /�
SFD r / , \ I F I s oPpLSe
PFi`)= _ I V J
PROPOSED BLA KET / / SFD- � /
MATTING (TYP.) BM / 6ry/ / \ / / / // / / \ \ \ \ i I / " ��b9AGkES' N
w
,1 LOT 132 / T
/ --- \ L067 I C ` SFA
.
\\
------ MLR-- \_ LOT 75/ Lor71\ / \ �c /
s`s`"c ' - ` \ _ - - - / $ / / / // / / / _; SFD I I s \ ._ Q \\ \ L SFA 3 Q Z
LOT 7
SFD I /� \ LOT 68 / / - -� ` __J J
�/ \ / / / / I SFD♦ Y' LOT 61 .\�; .;' .AG \. / OT A _J ^
SFA •\\ '.�.\ 1% L.L
\ l // I / / � ♦ � \ / I• L SFA 4
LIMITS OF DISTURBANJ !•.. LL.. LOT71 �� / LOT62 .\.1' �OT1 J J
=20.05 AC. y " 'AREA OF EXISTING - -eeo �s°< _ / \ / \ SFA \\
. -• �. - / I SFD \ LOT 9r -ss� -\ \"• SF
LOD PREVIOUSLY'•-'- . '•'•°•' - / 1 - � \ \.
APPROVED WIT ... .....Y... ,�. \ t ��' / / // / / Y \ .. � � \ , , ./ \ \ • � �
/._.a I \ LOT 63 / •;-�' �, ': O ^^ O
` - FA S/ \ -. " /6+ �\
( � � PQpND,2BWES �•.`.�`.-.`.-.`. .-.`.';`."\.�';.N.. \ � / �/ >D / \ ..-,, .. �w I �r�-
/ \ / ZL
LOT 64 '.��"�" 6
\ EX. ACSA SANITARY SEWER EXISTING DIVERSI N BERM'• ." '. :� `•". ` --�a4..a - - - - / / \ LOT • \ SFA / • \• ` ' �• 0 O z
\ Il / / \ / \
\ IN 20' ACSA SANITARY ESMT CONTRACTOR SHALL ENSURE'.' \ \'. y \ / / / SFD 'o • \• :. \ O
D.B. 1997, PG. 2356 y I - DID POS$TIIVE S PROVLOPE IDED, •.'. I -TIN LL TREE AREA \ • \1• \\ * / / / / / \\ \ IOT-78 1 \ \'\ � I \i LOT \ / \ \ \,`t , / / �"\\ \\ _
S G • • / / / SFD / LOT 79 / V
U '
�lRlf I \.' / \
• \ 'f \ \ \ / �s7s_�/ \ �Or i31 I �. �'.;. ° -.�:
\ I SHALL BE STABILIZED A$ -INCLUDES A MIXTURE , • l-•
--- \ SB1 / \� \ -S
FIRST STEP I�ISTURBAN OF EVERGREEN AND 7
- STU - DECIDOUS TREES - - LL \\\ \ '�� / / °\\� LOT 80 \ 72 how / \ \ \ \ \� � t �� L
SFD A� � r H�
;.;� n EXISTINIL-
i A
FENCE (TYP.),• E
/ // /
;.'.:.. \ l f`' S/TINGSAFETYF FENCE
\ `; OOP / I � >�cs�9 �\ \t`•" � �
` \ / \` NSTALL SIGNS WARNING \
35 LLWAYEN EMEv 650CY.' \ \ \ \ \° LOT 81 o / ...'. ` i.' 66 _ /LOT 6 \ \ -
\ P . 4 �-. ;- QUICK SAND, KEEP OUT" � \ " \ \ �Uj
\ T /G 48 C I \ 4 \ ♦ / SFD %. . OPEN. } AC .'. \ \ LL \I i L l\12
P.STON FALL1NTd .'\' E I I "� PRISER \ ♦1 " OJT /LL l'.`.'.`.'.'..`.'.`. \FP\Z
/ `
- -
Ul
Sediment Basin #1 Desi n (Approved with VSMP Amendment #2 � � � \ '' ^^
9 (PP ) / BASIN6Wx5'Lx2'D TYP. •`•'.� � RI =649. ' `- -- � � U J`.'.'.`.'.".".'.'- i.'.'.`. .1'.': \ \ � � V /
�..• ( \. 4 I \\ z . \ Q�� / A.G A RESt I\ - / I '.'\. O W
mn, wsvluw.r , `\'. / a V /.;,;.;.;,;.;. ]p,' 1..F. .;.;.;.;.;. I•.7'.•. / _ •\ W
drainage area (acres) 22.52 arDr' \\ . \ . \ .' .\ I \ I ♦ // LOT 82 Q7 ' ; / • ( x _ � -[ //\\ � . •
basin volumes: (using 2'contour intervals) \\ \- \.'.'. "\ / ♦ r SFD I Q / '`'' ' .'. �/. \S - L\O 1�6 i \ 1`•LL Z
DESIGN HIGH WATER p / C.
elevation (R) contour area (sf) volume (cy) Lij
to-rR. sran DFva J •+ / / /% • , { - h - ! / 1 �G A
644.40 17589 0 Da. \ \\ \ AREA F LXISTINb
--- - \ \ ExlsrwG '-_ LOD PREVIOUS - - ♦ \\• /.' \ \ / RO OSED DIVERSION BE ( ,
646.00 21297 1150 Rlx ,°• - •-•'•'•`•`•/[ //~^^
648.00 23687 2816 '� "'S°r °'� \ ? CREEK . - i I " "•`/' I VJ
650.00 26227 4664 � APPROVED WITH _ - O
\ ° \ \ P O OS D TONE OUTFACE INTO - \ / . \ / CONTRACTOR SHALL ENSURE , J
\ POND WES 1 / . LOT83 ;• I POSITIVE SLOPE MAINTAINED,
652.00 28857 6703 •wn•sowce \ \ \ \ BASIN 6'Wx5'Lx2'D(TYP.) OP --' _,' \ ) / / ♦ / \ SFD � I '.-.'• • • • i LL I / / /
21.42 ac., CW=0.45, Tc=10.8 min. / // ♦ / \ \ / I 18" BERM PROVIDED, BERM / W H
(•von S1MW'E REpI°ED \ \\ LL- LL•. `\•\ _ `a, > ..,,. .,.._..�` .,.. \ / SHALL BE STABILIZED AS A / \ W
SE4NFH, LIFANW, MM,
THIS AMENDMENT _
V� \ \ V • \ ; A \ - v / / / / 6 6 I / FIRST STEP IN DISTURBP�N E /
wet storage: A V A AVM \ \ •'. i,'.'.'. - / / / / / LOT84 �i - / A/ 1 Q
wet storage required (cy) (6TDA) 1509 design high water (R) 652.0 \ \ �- V ' PR PO$ D BLANKET / I �� - k,
EXISTI G WOODE - A
dewatenng orifice elevation (ft) 646.5 top of dam (ft) 652.0 \ \ V � " • , A � / � \ / / / / I
wet storage provided at this elevation (cy) 567 topwdthofdam(R) 10.0 AA \� \ BAFFL A;- �v PROPOSE�BLANKET M MATTING (TYP.) / / I VA `� SFD / AV / /
available volume before cleanout (cy) (34'oA) 766 bottom of basin (ft) 6a4.4 \ \ \ \ V . NEC-i.*
.'.' .' A.MAI I I NG (YP.) i / i A / / / �
��acleanout elevation (ft) 645.3 approx. bottom dimensions: 153'x190distance from cleanout to orifice (ft) (> 1') 1.2 upstream Face slope 21 \ \ � �'- \ 16 / \ ; LL
downsteamtaceslo e: 3:1 �AY�XI$fiING VD TS�D. CLASS 1.' \:- . V - / / A �v L T-85- V I I V \ / /(
dry storage: O \ UF^j' RIPRAP OUTLET PROTECTIO \ - \ I ; . \ SFA / / ��
dry storage required (cy) (s7"DA) 1509 baffles: YES \ \�� W/GEOFABRIC UNDERLAYMENT.':�•, V A \ V \V (� / I
principle spillway crest (ft) 649.0 length of flow, L (ft) 170 ` A \ L=10 , W 1 8 , W2 18 D 1.4 ` t A�� - •
dry storage proHded at this elevation (cy) 2173 effective width, we (R) 153 \ V ` \ \ V A V ' A \ \ RO OSED DIVERSION BER I ` / 'o•/ / 1A
\ i r . .. `. ,n a / - -SFA _SFA- o'Y 90oT / . ` .
diameter of dewatering orifice (in) 11.0 L / We (baffles not required if> z 1.1 \ \ \ \,EXISTING 30" RCP BARREL' •�' " \ \ \ 'CONTRACTOR SHALL ENSURE I \ �\ LOT 86 // - IFI� %' "•� • \\ \ / i A CHLINE -
\ \ \ I \ / POSITIVE SLOPE MAINTAINED, \ \ a// L - -6 o-S \'. �` / / S THIS SHEET to
diameter of flexible tubing (in) (orifice+2") 13.0 \ \ \ \ \ \ L=100 ; $=0.50%• - \ / \ SFA / 'l / T - - !- - �\ \ \ \ \ t / / ^ w
collars: vas I A V A\ \ \ A ss / A . ." \.
runoR depth of waterat spillway crest rt E4.S \ INV IN= 643.00 - - \ \ ( 18" BERM PROVIDED, BERM I \\ - _ s �/ - - i/ /I/ " --�•"N • \ \ '� // / \ \ j a
C (use 0.45for bare earth) 0.59 slope of upstream face (Z1) 21 / \ \ \ \ INV UT=642.50 •; • \ HALL BE STABILIZED AS A j \ \\ j / / - _ _ - - -' \ \ \ / JOB NO.
\ \\ \ \ \` ' FIRST STEP IN DISTURB
tc(min) 53.8 slope of bagel (Sb) 0.5 / \ \\ \ \ .;.`.;.;.;
12yr 4.0 Q 2yr 53.1 LOT 87
length of barrel in saturated zone (Ls) 28.63 - / / / - _ - - •� • • • ;,A V / -/ ����
_ ; .. / a I SFA SLOPES STEEPER THAN 3:1 SHALL BE PLANTED WITH A"m - A ` A / 11
125Yr 5.8 025yr 84.8 number collars required 2 / � A \\ \ \ ••-•• •� •rn� � A I � IT � I A +T ••A- A--••--••� V A 1� � A � _;...c+
dimension of collars 4Ak4A' \ \ \ '\'-".'." \ \ \� / / NATIVE SLOPE MIX WITH ANNUAL RYEGRASS BY ERNST v `', /
\ \ \ \ � I .`.`.'.` �i / / � `�'. '(.`.'.'. `. \ \. SCALE
principle spillway: I \ \100'STREAM \\\ \ ,\\•, •,•. •,•j•, •.h, •,•. \ I / / \ \ / To / - v
� / \ _ i / CONSERVATION SEEDS AT A RATE OF 60 CBS. PER ACRE, OR 1\. rr r
available head (ft) 1.00 emergency spillway: YES I BUFFER \ .''. `.'.' ` \ \ / / / / \ \ LB. PER 1,000 sf, UNLESS OTHERWISE SPECIFIED. THESE - - \ 5 1 = GO
diameter riser (in) 48 required capacity (025-Qp) (cfs) 33.3 �- • • • • • • - •'i% • • / \ ��j LLB--- LL - LL \
/ I BENCHMARK: . r• \ / \ \ / 7
\ / / / G^ AREAS ARE HATCHED ON THIS SHEET WITH A'BM' SYMBOL
spillway capacity, Qp (cfs) 40 bottom width (R) 18 I
diameter trash rack (in) 72 slope of exist channel (R/ft) 0.03 / I I \ EX MH PARKSIDEVIL-1-14 I" • • • -\09 AC • �� \ \\ \ \ \ /
/ c; \ / / AND ALSO REQUIRE BLANKET MATTING IN ACCORDANCE \. \ \ SHEET NO.
bagel length (R) 100 minimun length of exit channel (ft) 36 _ r LLr \ I I \ / \ \ \ ' 1 \ \\ PRO G D ILT
RIM-640' a'
INV IN=633.T EX MH PSV OS-14 ;.\I \ I 660 / \ \ ,� \ _ � - � WITH THE VESCH STD. &SPEC. 3.36. SLOPES SHALL NOT ..\�•LL " \
head on barrel through embankment (ft) 8.55 crest of spillway (R) 650.00 �• • +� • - • • • Via. - \ i i / \'� •r - \ \ \\\ \ ENCE TYP.
diameter of barrel (in) 30 I �/ / \ INV OUT=633.4' rLL!' I '���/ \ s EXCEED 2:I, AS SHOWN. •\ '�� \ \\ \
�.;.;.;. �'. \ 18
LEGEND LEGEND
LIMITS OF LAND DISTURBANCE SF SILT FENCE PER VESCH 3.05 �TH 0
�--�4- DIVERSION DIKE
- - - BOUNDARY LINE SSF SUPER SILT FENCE PER VESCH 3.05
— _ - - ~ - J PROPOSED SILT
� / - - DIVERSION DIKE PER VESCH 3 09
- - - - - - — _ � - - _ - _ � � � - - - - - - , - � - SILT FENCE DD SCOTT R. LLINS'Z
---- - — — — ___� _
- - _ — _ - -- - - --`_ _ _ _ _ - _- - _ J / / - - - FENCE (TYP.) �� _ - - - _ - \ \ TREE PROTECTION ST SEDIMENT TRAP PER VESCH 3.16 �U Lic. No. 035791 ,�
- - - - �- - _ - _--------- -- - f DIRECTION OF FLOW
- - _ - - - - - — - - - _ - / CE CONSTRUCTION ENTRANCE PER VESCH 3.02 "5.p 06/02/22
L - - - 653.75 PROPOSED CONTOUR 0
IP I • I I - IP _- - - - _ - --1 - - - - - - - -1 J - DRAINAGE DIVIDE TP TREE PROTECTION & PRESERVATION PER SSIONAL E�Ol
VESCH 3.38
------ - - INLET PROTECTION OP
_ a94 _ OUTLET PROTECTION PER VESCH 3.18
CULVERT INLET PROTECTION PER VESCH
SOILS LINE 3.08
ROCK CHECK DAMS PER VESCH 3.20
\ \\ \ \ \ \ \ / \ \ - I \ I I B/M SOIL STABILIZATION MATTING VESCH 3.36
— UT RE
PROPOSED CHANGES:-- - -------- --- --- ------..... _.... ..,
IP
z o
VERHEAD
TMP 056A2-04-00-000A2 _ ` ' -- _ : / . E ECTRIC LI Q z F
1 /
COUNTY OF ALBEMARLE - '-- --_ •- _- IP.. IP . _ .-, . r� / �o' — / / / / - (A w z
DEED OF DEDICATION TO ALLOW FOR THE �� Top sme r ". -
/ IP A \ V A // ���/ / // �J Lu
V) m
CONNECTION OF PARK RIDGE DRIVE TO - - i IP _ - - : v _ / L w D p 0
HILL TOP STREET HAS BEEN RECORDED, A ,:z " IF, !/ / - _ �' � _ - A - / / / / - -' V Z _1 U U
° v / Tc-10.8 min. z
_D.B. 4850, PG. 52 _. A - .-,: •. � ,,:• / _ i.' I � � i m Q
Tc-8 4 min 100' OF OVERLAND FLOW AT °/) J O
- 6 0 / i F z z
Tc=2.4 min. (560' OF CHANNEL FLOW AT 6.4%) / �� - z p 0
I
o
PROPOSED _ / I� ' / V1 � u
\ m \ / a
STOCKPILE `i v—_ / // // / H a a
I \ I
ILL TOP ST EE7 SURROUNDED BY ' W Lu
NOT TO BE USED FOR I �; �� k SILT FENCE / / / �/ -' V / / - Lu > -
PROPOSED TREE / Lu
ROTECTION / _ce
FENCE (TYPJ / i - - - -
IP i
T IP e / s / m
w
' s J \ \ , \ S ---- ,- / PROPOSED OP - -_ `-��'\ o
/ - e __ "` \ \ / / ' ' - ) FOR WA HOUT \ \ ` \ o 0 r1i 1 CD
- -
/ P OPOSED ONTRACTO E
XISTING TREELINE \
PROPOS�D CONCRETE
-•LL••
Ip - / PA KING AND STAGING AREA WASHOUT AREA \ e
LOCATION OF
\ / \
PLOCATION OF ORTA-POTTIES
:15CYDUMPSTER
/ IP
N
-- \ e ., <: „I '' -_, 1 P :, .•.-,:.,-.,. ,... :, 'LOCATION OF
UELINGAREA':'.':`:':`:':':':':':':`:':':'.':':':`:`.`:`.
/ I I - _ _ - _ / ° :.. i"_`._, `? :. -,_ - �•'• -• �.^• -LL LOT154-� O
/ \ - TRANC _ ,PROPOSED PAVED CONSTRUCTIOf�EN E'.'. �:'..' _ �A_
Lu
(12'x7O' MIN.)
W/WASH RACK & DOWN PROPOSED BLANKET
MATTING (TYP. IP s o o - RADIENT SEDIMENT TRAPPING DEVICE
\TO TREAT FLASH RUNOFF FROM VEHICULAR - - - co
-
C I _ —
�WASHpa. . . . . . . 'zr•�.� '_=- o O F N
o . -� _—• -;:._, Po' _, , .: —�L • fir\ `-`J•:`:`:-:•;,.,...:. : `.
/ s \ - ,,. • _ - lP % i. =IP � - .� - ON CTO SHA L INSTALL \
ROW DIVERSION ACROSSuj
e IP �_i / \ L -0 A RES 66o THE C NST CTIOH ERT ,
>
c i\.. \ / LOT 73 \ �./, / �.'.•.'. •. :- + Y \.�
y
LOT 74 \ _ —SFD — I \ \ \ a ,\ i / — \. ._.LL... _-, °sss-: j-.'.•. N
— —
, v
�yi LOT 66
FD/ �QTT 72 � t S
SFD 4 �
�0') W
CN L1J
LO 67 \I LOT 132 /I
S
5
LOT 75// //^ I LOT 71 / \\ �D /�
-_ ----- /—�— —__svvi a. zzs '- — wre<.»\� / / R^ / / SFD/ / / SFD \ / I / \ L / s •. Cn \•\\ LOT 133
/ / ' — — — — — ` _ s -..� •.,[ / IP IPz e / / I / I LOT 70 I \ LOT 6 / �ssT/ \ s\ \,\,`�. . I\ SFA //
s //\ LLJ
SFD / / / / — LOT 61 \.��..,'.., �A\. \ / �OT 134 J Z
_ w
/ / ♦ / \ � SFA -\\ '.�.\ SFA
MATTING TYP. / / // LSFA Cr �\ i J J
( ) LOT 76 \ I \. .\. LOT 1
/ SFD 1 \ \ rse \ SFA \
fel
/ - - s`. ,• LOD PREVIOUSLY • - ' ' ' • ' • ' � - - - ® //��11
,\ f �• LOT,69r / � \ / '\.\. 'A� \ \'- � SF LL.I I..L
LL,��=•`�.�' SF —\ LOT 63\ /j/ i .:\ \. •9
APPROVED WITt \ O J
\ / h
/ I POND 2B WES a' \ A/6> O
gyp. \SF \/ \\ \
\
1
\ \ EX. ACSA SANITARY SEWER EXISTING DIVERSI NBERM'�."• \ -/ / • / •• \ LOFA C- a�Y"
. : � ` — -f44:4— — — — — — — / - °' / � ° / \ � LOT�/7 / _ , ^ SFA � \• J \
SFD \ � ° • � �� \ /
A / LOT 65 / t �A'VA ;A, \, A ® z
Q Z
aam �-`0�78 � \ .. SFA
18" BERM PROVIDED, SFD LOT79 °n LL -EXISTING TREE AREA , �
n En - I U 1
\ SHALL BE STABILIZED AS INCLUDES A MIXTURE l C
J I FIRST STEP IN ISTURBAN •'- OF EVERGREEN AND `. `.\. ` '� / , \^ � LOT 8 \�\ � Hi U
I / — — — — — DECIDOUS TREES • \ \ , \ \ ♦ 2 qd \ �� 1 \
I I �_ \ %.-:'J-• I v / ♦ SFD SFA
>1/ .
FENCE(TYP:).`. XSTI/GSA E Y ' \ / \ Q% \ '' >�ST s\�\ \\. LIJ `J �JJ
\\,,\
_-+ � �� �\ I . �) ... ._.LL..,.�.\ / / / _ ,) / �i %` \. ♦ Off. / • � \ L
Z
_ . � \ 1 35'LLEARTHEN EMERGENCY.' \ \ / NSTALL SIGN
LOT
LL`-+ILL .� .,.,.. eb �SFA�6\ \ •�'. . �`.._. H�
QUICKSAND, bUT' / \ \
_ / \ \ \.
XISTING 4 C . •OPLN.ACE.'.'.'. \ l\ Z \. 'V^/
IP h �'1 \ \ 1 SOU .�...`.-:`:': `.`:"4 ` \ .:F.` :F� \ �\ . ,'\ ; w
\� i� -�/ / BASIN6Wx5'Lx2'D(TYP.)•,- N\. �f �\ /�/ / A.A ACRES.`.',`.`.`.`.`.
i / / \\ \\! L i ♦ r SFD Q I:
y % \06
W
.•!'.-' �
I - V A \ v ExlsrwG '- LOD PREVIOUSL /
/1 A EI +.••--•- RaINAGE V
/VT cf)
`::': G 75 / O
�ooa
LOT 83 I s P
,'`airI `--/ -7� ) V A V A ,:;: - - V-. `. \_ ---J • t _i V / SFD
Lu
\ \ \ \ \ \\ XISTI G WOODE .`:\:`:`: I \ \ PRO OS D 13LAN / LOT84 / )� _ �- d \\ W., 6a (\ Q Lu
\ \ / \ SFD �. n \.\:',•. \ t /
J \\ \ E BAFFL :`:.\'. I \ \ IP MATTING(TYP.) \\ \ \ (7 O
g�
j
ATCHLINE- O
� HIS SHEET N O
\ \ ----
0
ILL
\ \\ \ \ \ RIPRAP OUTLET PROTECTIO ��� - \
UNDERLAYMENTP, :�'•., \ \
ISFA ` / I I \ I \ '-A. .•�'-"':' VA �v t \ � I . � / �° " // /
I v V�v •'•�/,--LOTs� ' i � ,I� .`y \'.. v �v s •.\ I v v
\ / J
-SFa ���to§'"y0 ,\•_•..�. \ \ k � t A � .�.
Li: I i�-_i �_ V A A \ \ EXISTING30"R PIBARREL'. A. m.. I `vA ` /// — I F����� \'� A .A .'A \ V A A \\ F_
LOT �-- � - e10-SF=AA'i'�i .'w N. \ \ /w w
SFA / / �qa / / T - L - - / \ \ \ \ I I \ l e p w
"s66- \ /
•.
;N V / vA Lor67 JOB NO.
112066
SFA SLOPES STEEPER THAN 3:1 SHALL BE PLANTED WITH A \ \ \ \
so L soI
\\\I\\� 5,
I / \ \ \ \ \ \ 1':`:`:':`�'.`.`.',`. .`,` \.. . . I \ \ / / NATIVE SLOPE MIX WITH ANNUAL RYEGRASS BY ERNST LL S\.'E (TYP.) SCALE
VA\...........,�..V/ V -i CONSERVATION SEEDSATARATEOF60LBS.PERACRE,OR1 . \:`.. , � VA A�'BUFFER `.�,`,`,`,`�.,,..:,..,�j V P / // / / \ V ^ \ Sp LB. PER 1,000 sf, UNLESS OTHERWISE SPECIFIED. THESE \ ) - - A \ V A
/
- - BENCHMARK: - - A / / \ V / A " / "G" AREAS ARE HATCHED ON THIS SHEET WITH A'BM' SYMBOL` �'' ' V AQ \VA \ V A sa
---- �� \ EX MH PARKSIDEVIL-1-14 I'•`,-!-.-. •N-� A /
Lh
ET) / RIM=640' /% , I \ HLINE - V / AND ALSO REQUIRE BLANKET MATTING IN ACCORDANCE
\ 1 69�ftIEXMPSVOS-14: •A:',':I/A INV IN=633.T - b / SE TkIIS SHEET \ WITH THE VESCH STD. &SPEC. 3.36. SLOPES SHALL NOT OUT=633.4' �y +!.,.\I \ ' / ).•. \\\ \\% \\\
19
EXCEED 2:1, AS SHOWN. / LL
-_ -
682 BW 681 BW E, 679 BW
- - -680 TW - -6795 96 - - 8 - - PROPOSED ROAD DRAINAGE-68�SYSTEMO 684.00_
_68o BW 94 9 I p r -
-- _6so __ _ 100 -
10+50 > 11+00 5 -- = ` `- \- � \� \ \�� 682/�j
VDOT � D. CD-2 \ - - - - 12+ /
1 / �iCl 6 101 a? / / _ - \ COT R. LINS Z
_ � ! PROPOSED 8" HDPE ROOF DRAIN SYSTEM � S T �
OQ PROPOSED 8"HDPE ROOF DRAIN SYSTEM 680.0o b i / I U Lic. No. 035791
IZ N- - 61_ --- -- --- 32+$0 / \ b \ I / w/1o' PRIVATE DRAINAGE EASEMENT /
- - - 3 J I ! LOT 120 D.B. PG. 4 wllo' PRIVATE DRAINAGE EASEMENT ` i / \ 4/4/22
4° ° w D.B. , PG. -� LOT ii
- I ,I Q zo PRIVATE DRAINAGE EASEMENT - - -Z \ 68 . GAR / / i \ SS PG1
0 /o /o /o �
3 -00 8 LOT 118 9 3 TONAL E z
PROPOSED 8 HDPE ROOF DRAINSYSTEM - _ _ Q w \ 61 /- \ 90.0o FE VAR. WIDTH UTILITY, DRAINAGE, &ACCESS EASEMENT. / /
w/1o' PRIVATE DRAINAGE EASEMENT- I Q ;,� / -0.°B�. u , PG. - - �- - S.. \ \ " \ 7 688 ° FFE - 7 EASEMENT SHALL BE VACATED UPON THE EXTENSION / / �I \ w
D.B. , PG. - I I - p \ \ \ LOT 11 68 67 GA _ - _ OF LEEHAM STREET. D.B. , PG.
I w ° - R/Vq p �F z \ LOT 116 87. FFE °o�' / 3 O
LOT 115 LOT 113 -: + /! y/o -zL - \ Fq F%y 3xsp 1oz \ ` \ \ 3H w
LOT 114 LOT 11z LOT u1 I I -�j� o i' - _ � % - - _ \ \ �GFY �tiJ \ 686 o GA t- \
Q ti LOT uo LOT 10 FFE 68 \ I \ z
I � GAR
\ 9 \ /� �T • \ 86. FFE �- J
678.67 FFE 678.67 FFE 7733 GAR I 1/. w I LOT 10] / \ \ Tye r \\ / ,. 6 _ �� -
I I 678.00 GAR 678.00 GAR 61Le I LOT 1o8 I - _ \ \ �/ O O O
67o.o GAR 679.33 FF R 6 - \ : �. -.\ q$ \ \\ 7 �� : \ ` I
680.0o FFE 67933 FFE 67S.00 FFE LOT 106 / 3%� �, \� Fti1�c �, Z4xp / \ \ 6%u` i ,i:° \ F 0
GAR l l l \ �� r4 \
r{ 33 FFE 7733 f678
78.0o GAR LOT 105 / \ ` p /` �' \ \ 680 \ j
6 8.00 FF/ 2/0/ \
I 9 9 7 .67 FFE c \ \ i m 12+ 0
p` 6 - 50 0 c
FFE 678.67\,y\� R }00 - \13+ p\ \ °
OPOSED VDOT STD. CD 1 /,\IC'
.. 6 FFE / � \ •� -� ,P� �� 3 $ - 4
PRIVATE.DRAINAGEERSEMENT 7933 79.33 GAR LOT 10y _� � � � �� � �. d \ :c _ 1 - �-- O �
i
PROPOSED 8" HDPE ROOF DRAIN SYSTEM - - 5 _ o'� \ I '\ �r D.B. , PG.- _ 680.00FFE = / 6 OT 103 �. / \�/o/ �. s - \ - �xSO: \ \ a` % ��6. fn
/ : �.° .. I
w/1o'PRIVATEDRAINAGEEASEMENT D.B. PG
�.:..�
, . - . • : .. ._ gl- / 80.0o GAR °/
LOT 10z � Hof
-- --- - /,T / 80.00 GAR 'l:l p yx��=- • \\ \ \\ / O a
8$B W -_= ROPOSED VDOT STD. CD-z / _ �/ 680.67 FFE LOT i01 3% o y 68 - - - D
-aG \ PROPOSED 8"HDPE ROOF DRAIN SYSTEM • r r
w w wPROPOSED VDOT STD. CD2 680.6 GAR ^� 2% " 1 -� 2 m t
wllo' PRIVATE DRAINAGE EASEMENT' 7 / v / \ \// o
11+ O 12+00 12+50 - 13+00 - 681. FFE \ - r p ITl / _i F-
U) 3 33 i Bg i/ ROPOSED ROAD DRAINAGE SYSTEM \ / \ Z L m 0
� dh 9 � D.B. , PG. ." � LOT 100 � 2 % \ '� ..
I E � OA 1 +5 w� � \ � 68v33 GAR , -/ / W o
? ° \ \ �� w •..: z.00 FFE pf\ _ \ 0 z
LOT gg \/ 690 \6 \ \ \ _ O g 3
LOT g8 / ' \ O \ J Y
m V / > w o
xs�w\ 682.67 FFE ,y �O &5 - \ H W :n
• °. •,. ,.
- K / sg
- - 9p \ pU /�\ w / �/ ,( / zo' PUBLIC DRAINAGE EASEMENT _ > z c
670 �_ :� °_. e�/ G \ \ 68z.00 GAR / / p/ Q / D.B. , PG. \ LL o
r•. O
Ss _ I f R D 8 .67FFE FUTURE W 0
2 .; \ z
r +, \ l C OAD 61, Rlt/F - Z I \ DEVELOPMENT \ /
PROPOSED VDOT STD.C_D1;. �\ �/ w..\ _6yA / \ \ PHASE IV o
677.33 FFE 4 I I f I '� I \ \ \. _\ \ - / -: • \ rn /
I 667.47 BSMT : I M �o\\ \ ° • \ \ \ w ° _ 6ye 7 ~ `.I \ 1 I o
PROPOSED 6" HDPE ROOF DRAIN SYSTEM
w/1o' PRIVATE-0RAINAGE EASEMENT ° o, I o ;IuIII / I. �PROPOSED
OSED 12" HDPE YARDEADRAIN
D.B. , PG' w/1o'PRIVATE DRANAGE EME
6 F D.B. PG.
65
/
a
,.I V o
' \ .o F I 674.0 - - 6�00
6z 6,
o \ 6 W N o
I I I _ .l -\
66 83 °.I, .1 s f 1I VDOT
d PwR101oP' OPSREIVDA1Tz�E"5;D.H34RDyAFPs/FIENYAAGRE DEADSREAMIN�E..: T I �° I' iiiiipii i I I I I I�i �i i ;-.: I _ I. '�" - •.,-;_ .T -.-,, - - ,,, _ ' _- __.. ,:- ---- -� -\11 � \�� v \\R\�° • ., • o�� woryo
v °
STD. CD-2
p
I -PROPOSED 8" HDPE ROOF DRAIN SYSTMSNYSTE
76.00 \ • \s'o �\ /
D.B. PG. w/1o' PRIVATE DRAINAGE EASEMENT \ v \\ \\
- 674.67 FFE $ ,n I ii I Ij I LOT 97 D.B. PG.
_ n .O•
I• } 664.8i BSMT I (. °•.: ' ii a ii I LOT 96 LOT 95 , \\.. \ ✓ - O�
I I .> I I ii I I '•. - LOT 94 LOT 93 ( / / / w \ \ _
677.33 FFE _ 606 / z
I II 667.17 BSMT 7733 78.0o FFE 6 6 / \ \ \:� \ ��x /
}
I - - 667.i7 BSMT 667.83 BSMT 678.00 FFE 78.0o FFE X Op \ \\S\ �� /
oo FFE I _ O $ - 667.83 BSMT 667.83 BSMT
674 4 - - - - LOT 1 _
66 BSMT I _'`m zo' PUBLIC DRAINAGE EASEMENT �r 678.0o FFE ,2 g LOT o \ \ ` ,�. ;\ \ 2 - � J
14 �, -, 667.8 BSM 6 9 /
L04T1sa PG. - �a 6oA \�
78.67FFE LOT 8g
668.So BSMT \ • \ / 3
L _ - - T PROPOSED VDOT STD. CD-z \ _ sj9 679.33 FE LOT 88 \ \ w \ W
II 3 Sa/° 669.1765MT ( o
_ II $ _.. % % 679.33 FFE LOT 87 / 7 x O k \ \\ � o-
rio+oo. _ 10+50.. I 11+ to i 11+Sos 5 = = I 4 -. o /\ 66g.17 BSMT 679 33 FFE /0 6 8 ° PROPOSED 1z" HDPE YARD DRAIN SYSTEM \ /
8,bD zo' PRIVATE DRAINAGE EASEMENT.. u / - l 60 ' D B , PG. %` / N - " c
�_ 'I 6/0 66g 1785MT , w/1o' PRIVATE DRAINAGE EASEMENT /
D.B. , PG. i 67933 FFE LOT 86
O \ .. 6°/f1 66g 17 BSMT _-
m Irrr 81; --w-.w�.. S lZ+ \a �$%/ 7933 FFE / / '\�\ /� °
W
l Q Q
II 8oA I I 4 Q 3 \` \ / \ w
_ ° v I j 8z z% 4%- - w�\�fv S �� y% o i r \ 59 ROPOSED ROAD DRAINAGE SYSTEM Q H�
- - BQ \ 0 LOT 8 /67 00
8o6 { ', w ¢PROPOSED
I I$° 2a/o= PRIVATE TS�-R �68 r / 5 / ) VDOT WILL ONLY MAINTAIN WITHIN DRAINAGE EASEMENTS TO THE EXTENT i u
PROPi SED VDOTo STD. Co� - - ° ROAD /3o,RFE So s�o / LOT sy ` / \ Q z8x w \ NECESSARY TO PROTECT THE ROADWAY FROM FLOODING OR DAMAGE. _ z
-.. 6 z.00FFE V - 666.67GAR 667.67FFE -- _, � \w... / -
Lu
662a4 BSMT I : Z J f :.d I 667.33 GAR - - _ / 82B �.\ \\ L \ , 66g.81 BSMT \ \`� _ \ ° •• / PROPERTY BOUNDARY _ J ~� J -O
cl)PROPOSED 8"HDPE ROOF DRAIN SYSTEM I I I �' _ Q 01 I 667.67FFE 66 6 FFE - I / 3% w ,PROPOSED 8" HDPE ROOF DRAIN SYSTEM LOT 83 \ K]6 \ J
w 10' PRIVATE DRAINAGE EASEMENT a - 0 PRIVATE DRAINAGE EASEMENT\� `•' \ '" - / = - - --_-- - °
I I LOT 6 �733 GAR 668.33 FFE $ _ \
D.B. PG. I o f + 5 LOT ° \B. PG. 669.1y BSM LOT Ba \ 5 �9x w - - - - - - / Lli a
57 668.0o GAR
/i 678. FFE y °o
• LOT 58 / 668.33 FFE 3%/ Z / 33 �' 1n''1 �
I 6z. B I LOT59 668.00GAR 668.33FFE� .: / �\... .�xpp/\�` �/ 668.y7BSMT _ y E w V
I r :, PROPOSED8" ROOF DRAIN SYSTEM 56B LLI
o �/� °� "� LOT$1 w/1o'PRIVATEDRAINAGEEASEMENT / - o
LOT 60 I 668.0o GAR � 5 1 � � � .. > .
FF€� /° '/ \ \\ � \ �. 678.33 FFE � � � \ � `... - D.B. -, PG. \� " � � Q w
I w I PROPOSED 8" HDPE ROOF DRAIN SYSTEM _- - 668.67 GAR 66g-o0-FFE
w/1o'PRIVATEDRAINAGEEASEMENT -/.< I / LOT6i 668.67GAR \ / / a' 677.67FFE ----•. -: 61� ff w..... 6A • \ L 3
I
t0 -, 71 3 F I , zo PRIVATE DRAINAGE EASEMENT/ LOT 6z�9{-
I 5 I D.B. PG. .. / __-_.I 66g.33 GiCR �3 \\ 2 !.., -$% ��. SO\ 20+ w O J oL
Q -
- r ✓ � 667.81 BSM
�_ D.B. , PG. _ - I / \� 4x \ 0,
< - - , - - LOT 63 So LOT 79 \ op �w
a z0'PUBLICDRAINAGE EASEMENT LOT6 / �\ �� �� ` 56 d wow O
7$ \ D.B. PG. 4 ` \ 99 \ 677.67 FFE 20+50 w w w w w
k° I o 1 I \ 666 - LOT 6- Q / p /y \ \ / 667.81 BSMT LOI \y .: z1+oo z1+so Q %) o
7.3 .E I +I 7Z - _ :<. 5 R��/7� z �\\ o / 61 O - - = a
1 M PROPOSED ROAD DRAINAGE SYSTEM �" r / 'Sxo \� /off \ 677.67 FFE /` LOT 77 • O J o
I I �' L --- - .h - - y . -- PROPOSED 8"HDPE ROOF DRAIN SYSTEMr. \�qTF O ° \ 7 1. l /1 / W
-: ' PROPOSE/ATE H DRAINAGE
D DRAIN SYSTEM • 74 _ --- ---- - ----/ �_ ,� w/ 1o' PRIVATE DRAINAGE EASEMENT \ -- �9�
I 64 26 / D.B. PG. I .S 677.67 FFE V
PRIVATE DRAINAGE EASEMENT I I'� `---` � ° 6 -- � � � �
PG. .? 10+a I " -7 / / - `_ `� / / �2S'�c T F 44F �/ / ,667.a1 BSMT 77.67 FFE \.. PROPOSED 8 HDPE ROOF DRAIN SYSTEM O ' • "
670.67 FFE I I 73 / --- o '9S F%� _C - 66 67 BSMT / 'w/ 1o' PRIVATE DRAINAGE EASEMENT -§3-- Y = z
I I I 66o.81BSMT :5 I�.�. E I �.; 72 668, "': ' /' \ r ° �. _vFMF\ �Sx �\\. \.._.._ 7 D.B. PG. - - o
I ET lo+ cn \ Ni\ SO,��� ~i 'PPROPOSEDVDOT / W
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I PROPOSED VDOT STD. CD-1 w� b o \ \\ 77.67 FFE / \\ �6 - L
I { \ _ � �O// 6933 FFE r ��' / <\ \ -STD. :.,: a ° •
/ < 66 8185MT / � 2D _ a
GAR / \ �?;.. L l \ s - o
PROPOSED VDOT STD. CD-z_ 11+ • // `.... r <\ : / \ / o / O - - - -
° • ' u I pp - PROPOSED 8"HDPE ROOF DRAIN SYSTEM ,f�/ 668.E FE ' o 44E \ / /: 6/ / ROPOSED ROAD DRAINAGE SYSTEM
7 F I/ r \� 668. 7 GAR /..... /° : O
I + L/ 7 i / / +/ 671.0o GAR % -� O ^' s s \
6 0 0o FFE � w wllo' PRIVATE DRAINAGE EASEMENT °� / X / / h s � w
I ' r �- 33 68.6 FFE � \ \ \ �\ //„jj �
I 66o.14 BSMT ,. +II � 00 a,� .° ... ]2E w � / 11+Sp - B. ,PG._ L_QT 66 668.33 GAR / , .<\ � S+� \ \� // 1 � /61.6 FFE ��; � r b �\
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r F, O 33 > s
zo' PRIVATE DRAINAGE EASEMENT • u l / - - t _ .r \w \ 668.0o44C y6x ` l 671.0o FFE Q Q l w N
D.B. -PG. u n / __. - � � LOT'68 / / r � \ \ S0. /� l tea, � ' l .: �C/ O ROPOSED VDOT STD. CD-1 \ \ w J
S 76B n 3° o JzF - w ME 667.67GAR / \ T / / d l / LOTzz
" zo' PRIVATE.DRAINAGE EASEM NT
II I I �0 76A; = } - -5�/u / , 7zD -Ugh/C yER$ w 2*So 66 LOT 6g / / / v°oo D.B. PG. d / �o l / o /m J (67133 GAR % ^ `��1
I -- \ _ 5 0 -.: - `.:' • '- ROAD qV _` _-6k 7DF__. \ 668.00 FFE ,..r % - rr l / / �33 GAR �b Jm a^ 67 �oo FFE / CO � vJ o
r - �S4 R y LOT o` / 6 1.0o FFE Q LOT zo �� O
_- _-- - 66y /
0
PROPOSED 8" HDPE ROOF DRAIN SYSTEM / • r� - Z3xp \ \ / / /. LOT 23 "
- I wl lo' PRIVATE DRAINAGE EASEMENT _ - 68.0o
.. / � � \ � 70E � \ / / ....,.. 66 .6 GAR � � Soo 67/i33 GAR / / a
__ - .�.. o �� • ` .�,° m' 668.0o FFE /� _ / n / �� W L.L
f 1 _ to /. fi`jz.00FFE / CO D.B. , PG. - / '$- ° � �� r PROPOSED 8' HDPE ROOF DRAIN SYSTEM / LOT 1 � � 66g.67 GAR / / / „r ,
657. 5 16+00 _I w/ 1o' PRIVATE DRAINAGE EASEMENT ! / 7 667.67 GAR 446 / J� �g / 670.33 FFE / PROPOSED 1z" HDPE YARD DRAIN SYSTEM ,/ / / _ CO >
I - 6yo /6�4/ 'oD \\\ D.B. PG. 64 \ LOT72 668.33GAR / i Q / $o / LOT2 `.,_ LOT1 / / \ 7 '
. \ 6 � 4 wllo' PRIVATE DRAINAGE EASEMENT 6 0
- o ° '' \ / (J y> qj D.B. PG. -- 9 / '�1 1 x
6D 65s LOT 55 / \\ [Zo o �\,\ LOT 668.33 GAR / Cry / ° .
I 7 664.33 GAR ------LOT Sy � .__\ � .:. �. � •. w.Z3x �\ 73 \ 44A (� N � �. /66g.67 GAR J ;; 51 / ]% : / Q m
/ 666.B9 FFE 664.33 GAR �_ 6 / 5 `� So o B ' n
i6S67 I 658.17 BSMT 666.33 FFE LOT 53 ° PROPOSED 8" HDPE ROOF DRAIN SYSTEM " 7 \ LOT +h / / _� / 670.33 FFE 6 rr/6 A / v
658-33BSMT 66y.3 AR _____ _OT 52 wllo' PRIVATE DRAINAGE EASEMENT --� T- \. -Z4x <� / u LOT z5 / /67i33 FFE /
l / _ °o L9 / / / / 7 r / / / l l
666.33 FFE 664.33 GAR / D.B. \ ,-PG. / \ - �. • , _ _ - - \\� ROPOSED VDOT STD. CD rc '\ \ / / r /66g.00 GAR / / e OPOSED VDOT STD. CD-z // °
J
PROPERTY BOUNDARY ,� 658.17 BSMT _6i66. �000 - / / Q / / O / / O 3'
r n
I 3}BS / LOT 51 - Ofl \ /� p, /� Q /. �,� 669.67 FFE / h / LOT 18 / / - v c
� - --- 6 8.1 BSMT - / 5 ° � ]... PROPOSED VDOT STD. CD-1 0' r + o
--- s -5 7 / /67riR /�/ / U
\ S \ _-,.� _ / 6b5S-5o F-B.S`MT 6a�3 GAR 4 / / 3 -r :. w:.. Z�x 666 a / 80 / / • . • Q /✓ �. /6�o.67 GAR / / / // / / rw-, Lu
I - - '" / PROPOSED 8" HDPE ROOF DRAIN SYSTEM A 44 / 66 0o GAR Cp O W
GRAPHIC SCALE 654..._.. s 667.33FFE % � ..: \ \, 9' _ fjj1.33FFE / /
�- I -'L T y 6 _ w/ 1o' PRIVATE DRAINAGE EASEMENT 4 _ yz 66g.67 FFE / l I l L _ -o
ao o s ao so zo �- 6�4 L \ \ 65g 1y BSMT e6>.3e SOT yu 6S /B. LOT 47' PG. o/ / \ " 6 08 w 43 8° / LOT 27 / // o LOT 17 /// / JOB NO. o
��� 33 4 \34.67 \ 112066
-- 59.17 BSM 665.33GAR 4 .. / \ \ =5 / : /668.33 FFE / / / ^ L� o
It\r LI',I','I - - - --OPEN SPACE \\� ---- 6Jr 667.33 FFE / 65.33FFER LOT y6 4°_ \ " / / b.,- / l // Il/
Zsx
9 a. w \ °O 9 / F / / / G
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LOT 45 - ----- --- k?- •� ° zo' PUBLIC 1�� O� c
/ 4 /
664.00 GAR / / D.B. , PG. - o
W,! �- - \ / / 66 .67 FFE LO A4 \. / \ ' .. < �,` , n..
------______ GREEN '\ aC. / 4 663.33GAR / 49 <- 671.33FF .� b / SHEET NO. o-
/ SG:ooFF LOT43 PROPOSED ROAD DRAINAGESYSTE ''MATCHLINE -SEE SHEETIO /
DEDICATION W -- �. / ^ - ; _ - -/_ ` / / I 9
6p /f 663.33 GAR LOT 4z a« LI y ��"'_ _ �� 47 /. / ,
664.00 FEE 664.00 GAR / MATCHL�NE - EE HE LOT 16 669.67 �^
- > _ = 9 / �' t r 6 PROPOSED 8" HDPE ROOF DRAIN SYSTEM
\ S' / �e PROPOSED WALL 664.67 FFE / M \ Op.. �I
WW W W 66.4 p F l I /6 o.67 GAR wl io' PRIVATE DRAINAGE EASEMENT \
/y \ p J/ LOT 7
MAINTENANCE EASEMENT/ _- 660 / / �' UB�IC,`s� J I 6ji.33 FFE D.B. —G._ _ //
D.B. s , PG. — � / 39 40 v ROAD WA L � 40
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W W W W W
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LOT 15
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W / 65z BW /,r i rl� 6 /67 33 - -- _ zo PUBLIC DRAINAGE EASEMENT
7 }}.00 FFE
W.. 6 4
L =0 .V o W:f'•iiii" W W e W \W \� �il I - _ --- - -- -- --- -- — — - - — _ -- - - D.B. PG. G NT\ \ �I 71 / l
W N i
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PROPOSED WALL - \ / \I I° - I
SWM FACILITY, MAINTENANCE, &ACCESS EASEMENT_ __ _ LOT i4
- - b /
D.B. , PG. - (MAX HEIGHT 3')- -- o l l ^l \
W .\ W . W . • W :._. W . W W W W� 't\ r .. W PROPO_SIEDVDOTSTD. ES-i 72.3 GAS (% / LOT7 /
74.33FF // I \. \I. o °° I I \ \ \ /l l SFD \ 1
PROPOSED VDOT STD. CLASS Ai RIPRAP OUTFALL= r 666.i B _ni I / I \ / / ,r PROPOSED 1z"HDPE YARD DRAIN SYSTEM /
w/ GEOTEXTILE FILTER FABRIC UNDERLAYMENT ..I W I i i l rp LOT 30 / ll� l I I \ �\ - / w/ 1o' PRIVATE DRAINAGE EASEMENT \ (L-17, Wi-g', Wz-zo', D- W5 MIN.) aW l W I i / / // _ D.B. , PG. L 78 /
W W
W W W W
73.67 GAR/
.67FEF o / I. / �� \ VDOT WILL ONLY MAINTAIN WITHIN DRAINAGE EASEMENTS TO THE EXTENT-
\� I / / 67 00
/
/
"SWM FACILITY, MAINTENANCE,&ACCESS EASEMENT LOTH / NECESSARY TO PROTECT THE ROADWAY FROM FLOODING OR DAMAGE.
D.B. PG. /r /
AVA \� /" LOT3z \ / 11 l l
,DVDAL �
\ PROPOSED VDOT STD. CLASS AlARIPRAP OUTFACE, r o 1p s
A 671.67 GAR
wIGEOTEXTILEFILTER FABRIC UNDERLAYMENT' W�W / s
(L=iz', W1g=6', Wz i4', D=i.S' MIN.) � � W / � / / / 665, l / • I / I/ ti / ' � � � l l \ � \ \
w
W W
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v \ ��� �w / r / 4 0�/ /' o / / LOT1z / // — — \ WWW1W WWWW \ \
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33 I LOT \
\� I I WWWWW.W. �•� . WWW
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W
\ _, ` \` W .••: \ ....... \ \ "' W IW � � �/, wllo' PRIVATE DRAINAGE EASEMENT
1 W W W \ \ \ \ W LOT D.B. PG.
\ \ \ i r / 34 41' PUBLIC DRAINAGE EASEMENT ri q r
W
GREENWAY �- �A .V \ / / D.B. PG.
DEDICATION `� \A v �. r j 69.67
AREA � / \ / 663. d/o // �° �° I •
LOTH / I y/ I/ 1 WWW W W W W •`:.` W\ W W N W W,\\W.
l/
SWM FACILITY, MAINTENANCE, &ACCESS EASEMENT / /3o r / —� •• rr r •�.•- / zo' PUBLIC DRAINAGE EASEMENT 1 1 \ 7133
y W W W W \ W W D.B. , PG. / / o 30$ u / D.B. , PG.
wID 0
— LOT /
� ROPOSED ROAD DRAINAGE SYSTEM
Drainage Easement Chart
Pi a No.
P
Size inches Max De th feet Easement Width R wired feet Easement Width Provided feet
� ) P i ) e9 ( ) � )
30A
1 18.4 1 40.8 1 41
SC)TT R. LINS
Lic. No. 035791
4/4/22J�I
�ssIONAL E�Gl
TFIE`
rl
w w w
o — / // L v
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\ \ \ \ W W WWW
VDSTD. C 2+o38C �It ? /—T
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PROPOSED VDOT STD. CD z m-6E M ri /
V ",� PUBLIC ROAD (54' RIW)
\ / �� _ ... s
i
\ \ WW WWW W W'W.W" W - � _� _ _ -- o ., ,••.- _ __,- /
:.;:. LOT 7 LOT 8
M Q
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OPEN SPACE ` I L r3 5 _ I kor I J' \ \ / / LU
\\\\ \ \ ' 'i;; ♦ 6 p - 4 \ \ \ /, PROPOSED iz" HDPE YARD DRAIN SYSTEM
PROPOSED VDOT STD. CD-i ii 1 \ II I II \ \/\ w/io' PRIVATE DRAINAGE EASEMENT
\ \ \ W ♦ \ I \ o I 1 III \ \ \ / f / D.B. PG.
W -\ I — — — -- I ° I� l I — ----1 \ LOTS II LOT6 / // N
PROPERTYBOUNDARY W W W W�`W ♦\ — ,• \ P I _ _ — \ \ I - / / \ \ \ L T--85 wCD
J
5' HORIZONTAL SEPARATION REQUIRED 133 _ _ — \ I /
SEW T BEWEEN WATERLINE & STORM ER — — — — — I I
- i �p ---- v v v // I \ SFA N Q
:.W W
W W W W W"W W
W
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PROPOSED iz' HDPE YARD DRAIN SYSTEM
fTI w/zo' PRIVATE DRAINAGE EASEMENT Q z
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1 inch 30 ft/ 0
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CONNECTION TO ARBOLEDA DRIVE 5 \ \ \ V Q w • I. \ \ PROPOSED WITH GLENBROOK PHASE z
W \ x V
W �\ \ A so 0
LOT4
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S
I
112066
SCALE
1= 30'
\ � \� � � � w . � A • � W . . � � � �� \ � �� � � \/�� \ � � ���� � � \ \ \ �S �� � � � � SHEET NO.
A' 10
.. - ,M -�;,: + ... l� _� ��` �V F7� up ` i l l 6'6'>•s�esMr COI �..�. o 'i--I - -. -
1' I � <•tl 74 _ 6a _ - _ / <� �� / / � � •9d FL ,, YD- 6 FFE \ 'L� $$ O �1, PUBLIC ROAD 6i'R/W) - �- .Bv BSMT ,6\
/ I I. `.. � I � 73• / v.� 1. / / t S '9S � 4`f 1 / \ \� 66 .Bv FFE � \ \ o O
O ` / F '"�, -
66o.8z / F,yJF .ixs, ] _ \
Np �' / `., ns] aF�6 / / �f \67z a .. ,.... O , O'�y Y
o TH
// 69d3 FIFE
11+p • ` "' � / 669.00 GAR of ��\ 6oi6� � � a /
I / __ 5zD • �_
I I;: 87o.00FFE I' a li oe .� `O \ 0 / 6es:6j�nrz M° \ � 44E x\�.. 4°�C / / � / 6 � �• o . �• s �. '."._ . �.-= r T �. �SCOTT R. LIN:
/ 66o.vy 86MT I . n 00 d __ �- 2E _ Il+Sp 33 668.6jGAR.. / a S x \'.\\� 6n 6 F ER $k'<C/ = 2== • Q
I: `.w 7 w LOT 66 33 \ bi6 n. J �yh ° a-_�\� Lic. No. 035791
-
/ 1 p 71 68.00FFE 4p z6x // a N v 74
S /-� I.- ,. .,.. . A w ., .-• C., I - 2+ 06/02/22
\ �� \ I I a .. w q / _ - T �_ _. T - ,.:. '` \ � \ ,... LOT 56 68.0o FFE \ 44 \ � 6x50 /\ N 6` / fi7a.00 FFE / ` Q Q / • ,/ ' , \ � \ 7 672-
/ 1 \� v I I I _I_-7. I- - Sys. _ ..• AD 15.4, �____ § i ?]OF \ / / /668.0o
I 6C
/
/ • K _ I - 76 - 3xp0 pE 68.00FFE o LOTz3 52 t / LOT 73
/ I 1 _ - 6 i� I _ O / / .� �•oI �_ : y 7 \ / / 66].6]GAR \�/... 52'� OP $z6 J�
SFD
67033 FFE / :. / / � \
/ s as i6+oo - 0 3y J , - LOT 74 - -- -- - _ I
- \ I 6 LOT55 6�4//�\ 6 \ L0T7z \\ ,d68.33GAEk I I�O�Q /�// 7/ r01 SFD / I �-
\ 76D 668 I 66GAR ___LOT 54 �tLo .\ �\`..q �. \ \ LOT 73 \ 666.67 FFE / 44q / / 669.67 GAR /51 / / Jam.. / / / \
®®
�6S6.7 / _ SF
fig8.z7 BSMT 666.;3 FFE LOT 53
658.z7 BSMT 664.33.CAR L
/ I 666.33FFE 664.;; GAR g \ : 70C �. +<� \ / / �u �' 66g.00 GAR PROPOSED VDOT STD. CD-2
- PROPERTY BOUNDARY -- ---_ _ 658a7 BSMT Zi66.33€FE / _ ��� D+ /� / [� / LOT 18
� I �• � � - 658.a7 BSMT / ■ ■ , \/ / / ,5 ` . I 7oA\ � � _ 6, S �4
y
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/ , , 654� g _ \ - / 667.33 FFE L s _ / / 4�� 7
EOM ' \ � �
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ER
E�nflE LOT 17 / SFD5 Z o a
/ _.-_ - C.B. 1997 P. 135 \\ 65g. v7 B3M 66583'6AR 4 _-_. - /o �... ,jr5 /668. GAR - lI• / �.. l /l / 0 J
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DEDICATION _ v / - .00 LOTS v / o �. 49 \ I A vi U U
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46 47 / LOT i6 -7 / 5 I� O 0 1 .a.
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+ 4 / LOTz5
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/ �-------- - .' _ _ _ _ _ _ '• *::. _ _ �_ \� _ _ � � � / - -- -- --- - - - -- - - - / � 670 � � / 67i.oa FFE / / � i - � w >
65z BW :
LOT3zj� I � i-" LOT 14 / / ��
::...:: LOT 77
^t�00 \ /
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\
I
�I` = I r o Jl � L 78
_ ` = 66 z7 B� 6
I .::.:::. _ �-.. \ \ ` \ \ _ \\.\ ---µ -• \ \r.w\' v /. /.. I � / GAR
� � , , , �. _ -• . _ . _ . � � _ :�'. _ _ _ _ _ _ _ _ _ _ _ �. A / A A \ _ _ _ _ \ • . _ 7a GAR' / / / / � \
- _ v v = v a SFD v
_ w / i LOT 79
\ MITIGATION MAINTENANCE PLAN: ::. \ \�\�- \. 4 \`/ ` %- 4 / / / $ F / ` / SFD
I
� - 3 s
LOT 31
AN ANNUAL INSPECTION SHALL BE CONDUCTED IN THE NON -GROWING SEASONS DURING THE FALL OR WINTER MONTHS. THE\\_
INSPECTION SHALL TRIGGER MAINTENANCE OPERATIONS, AS REQUIRED. MAINTENANCE OPERATIONS MAY INCLUDE, BUT IS NOT LIMITED `W - q • _,. \,• ���\, \ \ \ '� _ , �_ _ . '\ ' \- a
TO, TRASH REMOVAL AND ENSURING A DENSE, HEALTHY GRASS / FOREST GROUNDCOVER. MOWING & BUSH HOGGING MAY BE ALLOWED
\ WITHIN THE STREAM BUFFER AND MITIGATION AREAS FOR THE SOLE PURPOSES OF REMOVING OVERGROWN INVASIVE SPECIES AND FOR '�'. ` _ _ _ _ _' _� _ �� \ '� \ \ \ - \_� �` ' \_ _ _ `+ = 7 /_ / /
CLEARING THE TRAIL. HOWEVER THE MOWING & BUSH HOGGING SHALL BE LIMITED TO A MAXIMUM OF FOUR TIMES A YEAR. THE _ . 1l. . =I. �% '•'' y \ "�[�
CONTRACTOR SHALL CONDUCT THE ANNUAL INSPECTION FOLLOWING THE FIRST YEAR THE PROJECT IS COMPLETED, AND THE OWNER 'I.�•_•_•_•= a �'N' �\ \\ \ \ XISING STORMWATER /\. / " LOT3z _// �./ / / / LOTio
@:::.. : / \/(•
� SHALL CONDUCT THE ANNUAL INSPECTIONS THEREAFTER. .�... .\`.�':.?;W. _ _ _ \ � \ � \\ M NAGEM€NTF/�.Cl/L17Y /_ i voopfAR�
�_ •. _. _. �\ \ \\ \ \�\\ \ \_•�„��/ / ] 'FF / MITIGATION SCHEDULE: \ \ \ \- _ .\ , /
_ 6 .6 FFE
THE CONTRACTOR SHALL SCHEDULE A MEETING ONSITE WITH THE COUNTY ENGINEER AND THE OWNER PRIOR TO ANY MITIGATION = - _ � _'��?:: \ _ � � _ \ -\ •` \ \' i = % LOT iz
PLANTINGS TO FINALIZE THE LOCATION AND QUANTITIES. IN THIS MEETING THE CONTRACTOR SHALL PROVIDE AN APPROXIMATE DATE " ' " ' ' \ \ \ \ \� \ '"\ t •� ` /, / "/ �9 LOT
FOR THE MITIGATION PLANTINGS, WHICH SHALL OCCUR IN THE FALL OR SPRING. PLANTINGS SHALL ONLY OCCUR AFTER INITIAL UPLAND _ _ \.'`:W.=. \. _ .�==.N \ \ \ \ \ - `• -/1" '// l 4 I. lI> % / /�,, // /� LOT9
ESC MEASURES ARE IN PLACE MITIGATION PLANTINGS SHALL BE COMPLETED PRIOR TO THE FULL RELEASE OF THE MITIGATION BOND /
N N N
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I \V A \\.AVM\ _\V/ /_ / 66y.v�I ���• A / �T_ l /ice / i i �% /
PLANTING SCHEME FOR EVERY 400sf (OR 20'x2O' SECTION) SHALL CONTAIN THE FOLLOWING: L9
O
THE WATERSIDE 50% OF THE BUFFER: I C,\ or3y / •ww ;®•= / _ -- 673\67 FFE ti
GREEN AY \ \ \ \ 1%J ,/ y \
IqR/ r
� ONE (1) 14" 2" CALIPER NATIVE CANOPY TREE OR LARGE EVERGREEN AT 6' I - _ • _ _ _ _ _ • _ _ _ _ ', � DEDICATION = `, i�' \ \ \ \ \ `, . � // / � " ! B 7FF¢ / / , '• � " I / / / • / � � � � � o� z � / �-}�
tp
TWO (2) J"- 1j" CALIPER NATIVE UNDERSTORY TREES OR EVERGREENS AT 4' OR ONE (1) NATIVE UNDERSTORY TREE AND \ \ `,';:.. , \ \ \ \\ \ / / / _ 66;. $� /. D >n I ' ° /.
AREA v V A h w l J/o-
TWO (2) LARGE SHRUBS AT 3'-4' \ v V A v v / / / _y x w I 67 °GAR Long // �
„ _ _ _ _ _ : _ \� _ +Y V V A ,V , / l °w H / 6y .67 FIFE _ i /
_
THREE (3) SMALL NATIVE SHRUBS OR WOODY GROUNDCOVER AT 15 -18 � _ \. // 66 n / � d
THE LANDWARD 50% OF THE BUFFER: \ �' • '., \ 0 - 3oA " 8 36 6 h 67GAR 33 \ \
/ NATIVE BARE ROOT SEEDLINGS OR WHIPS AT 1,210 STEMS/ACRE, APPROXIMATELY 6' O.C. \ \ ' _ _ _ _ _\- - - -\ - �+ \ OPEN SPACE \\ \ ' \ i '� 3pg p",... �' 1 I I o I 5% 873,a3FFE - % j� ® �
/
(600 MINIMUM PLANT SURVIVAL REQUIRED AFTER TWO GROWING SEASONS) OR _ _ -- ., _ \ \ C </ a - / - ``-'-I f Lu
h I CONTAINER GROWN NATIVE SEEDLING TUBES AT 700 PER ACRE, APPROXIMATELY 5' O.C. --� i__ A�
' 3$
(490 MINIMUM PLANT SURVIVAL REQUIRED AFTER TWO GROWING SEASONS) \ - \ �� e / a1 --- 88 I
3 / I /
PLANTING NOTES: _ - -_ --i
I - 1. ALL MITIGATION PLANTINGS SHALL COMPLY WITH THE RIPARIAN BUFFERS GUIDANCE MANUAL BY CBLAD. \ _ . _ ... ..,, _ _ `° y. 6 e.\.GA • " 666 �ry I _ yz+oo , / ' _ �- _- _ L ,/. /// LOT 8
2. ALL MITIGATION PLANTINGS SHALL BE NATIVE TO ALBEMARLE COUNTY, VA. THE FOLLOWING ARE NATIVE TO ALBEMARLE 3 11+5 _ _ _ Z
\.: `.\ e 6 8.63 FF 845 I • 1: , w A $ 10+ O 1+00 ��W _ O • / //�.. T - _ - - / \ SFD N
COUNTY AND ARE PROPOSED WITH THIS PLAN, BUT MAY BE SUBSTITUTED WITH ANOTHER NATIVE PLANT: \ \ _ _ _ , ti� I LO\ e.e BSMT '. 10+00 $ _ \ CV W
LIQUIDAMBAR STYRACIFLUA "ROTUNDILOBA" OR "ROTUNDILOBA SWEETGUM (CANOPY TREE) \ \ _ - / / p
I ILEX X AQUIPERNYI "DRAGON LADY" OR "DRAGON LADY' HOLLY LARGE EVERGREEN \ \ \ \�`� _ \, 35 + 'B R EY OURT / 9
( ) \ \ u i u \.... pd BLIC ROAD i54'RIW) \. .� /333F ER / y,
ACER PALMATUM OR JAPANESE MAPLE (UNDERSTORY TREE) \ � � \ `.`. `,` ". ', 6_ � u , � <oa3 / � /b1
MYRICA CERIFERA & CVS OR SOUTHERN WAX MYRTLE (UNDERSTORY EVERGREEN) \� _ �_ \' - _ - - 3z -u s _ s v v i
W
BUXUS SEMPERVIRENS &CVS OR AMERICAN BOXWOOD (LARGE SHRUB) A - - _ _ - _ - A I _ _ - o - + _ ma's- D - - _ - _ �_V �\ / LOT7.y; /
I 3. ALL MITIGATION AREAS SHALL BE PROTECTED BY A MAINTENANCE AGREEMENT. A\ \ V ' _ _ ` _ '� `, yoo \ - _ _- < // LOT 84 LLB
4. DCR's RIPARIAN BUFFERS MODIFICATION & MITIGATION GUIDANCE MANUAL DEFINES A CANOPY TREE AS A TREE THAT SFD J
!°- o y
REACHES 35' IN HEIGHT OR LARGER WHEN MATURE. THE MANUAL DEFINES AN UNDERSTORY TREE AS A TREE THAT
MATURES TO A HEIGHT OF 12' TO 35. A LARGE SHRUB IS DEFINED AS A SHRUB THAT REACHES 10' OF HEIGHT OR �, A_ _ _ _ _ _ _ _ _ _ - `•v I * --- - V - I A A
6 // \ J
v,
GREATER AT MATURITY, AND A SMALL SHRUB IS DEFINED AS A WOODY PLANT THAT CAN REACH UP TO 10' OF HEIGHT AT V A ` \ LOT36 8 2 l II nor I) 7va3GA vv v /�
\ 6�� 4 v /,
MATURITY. � V � � \, � I '. b GA I 67�.00 FF \
Iv sS �� 6�4 0o GAR v 670 67 FFE / �/ W
STREAM BUFFER MITIGATION NOTES: A \ \ _ _ _'" O ,I i-6�4.67FFE \ H
I _ - THE EXISTING STREAM BUFFER ON -SITE IS HEAVILY WOODED, SO TRADITIONAL MITIGATION A A \ \ \ \ _ I - - - - - - \� II o . I I - --- - _ A. LOTS I 1, LOT
PLANTING CAN NOT BE ACCOMPLISHED. THIS PLAN PROPOSES THE FOLLOWING MEASURES TO PROPERTY lip -� _ _ -
MITIGATE IMPACTS TO THE EXISTING STREAM BUFFER: \ \ \ ..;.. _ _ _ I 6z.00G�,R� %I ,' _ r- 1 I \ W
1. THE STREAM BUFFER SHALL BE RESTORED IN THE AREA SHOWN ON THIS PLAN SHEET ALONG \ \\ \ \ \ \ \ _ , _ :. _ _ = z.67FFE \ \ \ // I SFA ', z
' THE CREEK. THE TOTAL MAXIMUM MITIGATION PLANTING AREA FOR THIS DEVELOPMENT IS \ \ \ \ \ \ \ o I \ 3 66 +I \ \
'-- \ _ _ I L i. BSMT II I I III
/ 5,130 sf (EQUAL TO 2x THE PROPOSED IMPACTS MITIGATION PLANTINGS SHALL FIRST OCCUR _ ' . , I II 1 Q O ONSITE IN THE STREAM BUFFER AS SHOWN OUTSIDE THE LIMITS OF THE EXISTING TREES AND \ \ \ \ \ \ I u I 'I \ \ � �6g.5 � \ /
- _ VEGETATION. \ \ \ \ \ 1 I I II
2. A BOND SHALL BE PROVIDED PRIOR TO CONSTRUCTION ACCOUNTING FOR THE COST OF = = LL _ _? ._ _ •�_ / I b I a Cc � D h I 66v.33 GAR LOTS - \
/ MAXIMUM \ \ l i \ _ _ _ ^ O�+ '"I la - 66z.o°FFE - - _ \ �k �� \ LOT 86 / Q
3. THE TONSITE STREAM BU FIER's IMITIGA ION SHALL T BECOMPLETEDPRIORTOTHE FULL RELEASE \ \ \ \ \ \ _ �- �_ - _ _ II n I i /
OF THE MITIGATION BOND. A` \ \ _ % / �`- .� I I 8 _ \ _ s �/ v SFA
INNER 50' OF _ - a ,b 1 - -- - - _BOUNDARY
\ _ - _ _� ICI - -� _ ROPERTY --
W..
THEloo'WP _ ,.:;. _ � I I ° �6h � I / - 65867 r\rt-_� I vv� �
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LOT34A v ' LOT 87 /
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ul
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PLANTINGS VV1TH TF"I
PB.0FE\WATERSIDEo°O_�__�.':y.=.�=
SPACE
LLESMrWB5 �VBROOKATGLEN_FOOTHILLS PHASE II /009ACRES
67GAR
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I 13" \ �� - I ` I �F OF IVIITIGATIN q6
oaK �- _ I PL
A GS WITH N THE. y; 3iA H \ d / G T
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SCALE I III I �� _. _ _ _ 6ti7.B3b BUM
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- - / /Ivy I �.M tQATION�REq � LOT4o \ o / v / v / / p qTH CD 0
a° \ - o ao eo so I / T TPlL };ioo f rr / c / \ / / �YS��C `L Li -
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6.6 GAR N 62
/ / / / �I . _ _ \� 5 7 �1
�L. I / I / W _ `1 33 FIFE
_
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W W
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SIGN CE • 4"QUAD. I I I .�. ...\'. 1W .+. _ \ \ \ \ \\\ LOT 41
_ a \
AREA RESER.1�€D FOR T I _ _ _ _ w �� S / A A V a (d
PUBLIC DEDICATION -UPON vDEMAND BY THE COUNTY JOB NO. I _ - _ _ V /', T V A�
vD1. 1974 p4e6 I I I I I `MITIGATION AREA # V vv V Ivk0 112066
` TOTAL: 1,461 SF
v v v �� • �. •:; .) VA \ \ \ _� -� _ SCALE \\ \\ v �° 654 A v vv 60 vv
\\�\\�\ �� w \ V '0$¢� SHEET NO.