HomeMy WebLinkAboutWPO201900066 Plan - As-built 2022-04-21BEAVER CREEK
NOTES
TAX MAP PARCEL AND OWNER INFO:
PARCEL 06000-00-00-03800
2246 - 2248 IVY ROAD LLC
2246 - 2248 IVY ROAD
CHARLOTTESVILLE, VA 22903
ZONING: HC - HIGHWAY COMMERCIAL
ENTRANCE CORRIDOR OVERLAY
AIRPORT IMPACT AREA OVERLAY
MAGISTERIAL DISTRICT: JACK JOUETT
SOURCE OF SURVEY, BOUNDARY, AND TOPOGRAPHY:
TIMMONS GROUP
28 IMPERIAL DRIVE
STAUNTON, VA 24401
(504)885-0920
CONTACT: MICHAEL W. DORSEY
CONDUCTED: 7/18/2019
'CAI
UFFIC
(VSMP) AS -BUILT SURVEY
Hi�itNDMENT 1U:
VSMP/WPO PLAN (WP0201900066)
COUNTY OF ALBEMARLE, VIRGINIA
DATUM: VERTICAL: NAVD88
HORIZONTAL: NAD83 (NA2011), VIRGINIA STATE GRID, SOUTH ZONE
WATERSHED: MOORES CREEK - NOT A WATER SUPPLY WATERSHED
SETBACKS:
FRONT (BUILDING): 10 FT (MINIMUM) FROM ROW OR EXTERIOR EDGE OF SIDEWALK IF THE SIDEWALK IS OUTSIDE OF
THE ROW; 30 FT (MAXIMUM)
FRONT (PARKING): 10 FT FROM PUBLIC STREET ROW
SIDE: ADJ. TO RESIDENTIAL: 50 FT (STRUCTURE), 20 FT (OFF-STREET PARKING OR LOADING SPACE)
ADJ. TO COMMERCIAL: IN ACCORDANCE WITH BUILDING CODE
REAR: ADJ. TO RESIDENTIAL: 50 FT (STRUCTURE), 5 FT (OFF-STREET PARKING OR LOADING SPACE)*
ADJ. TO COMMERCIAL: IN ACCORDANCE WITH BUILDING CODE
*SPECIAL EXCEPTION HAS BEEN APPROVED, WAIVING REAR USE BUFFER AND REDUCING REAR PARKING SETBACK
STEPBACKS: 15 FT FOR EACH STORY THAT BEGINS ABOVE 40 FT IN HEIGHT
OR FOR EACH STORY ABOVE THE THIRD STORY, WHICHEVER IS LESS
PRESENT USE: COMMERCIAL (NEIGHBORHOOD SHOPPING CENTER)
PROPOSED USE: ±26,600 SF MEDICAL OFFICE SPACE
REQUIRED PARKING PER ORDINANCE:
MEDICAL OFFICE: (26,600 SF x 0.8) X (1 SPACE / 200 SF) = 107 SPACES
PROPOSED PARKING: 107 SPACES
ADA PARKING REQUIRED: 5 SPACES (AT LEAST 1 VAN ACCESSIBLE SPACES) (PER 2012 VCC)
ADA PARKING PROVIDED: 5 SPACES
MAXIMUM BUILDING HEIGHT: 65 FEET
PROPOSED DISTURBED AREA: 1.51 ACRES
EXISTING IMPERVIOUS AREA: 1.03 ACRES
PROPOSED IMPERVIOUS AREA: 1.24 ACRES
AREA OF PAVED PARKING/CIRCULATION: 0.93 ACRES
PROPOSED OPEN SPACE: 0 ACRES
PROPOSED RECREATION AREA: 0 ACRES
TRIP GENERATION
LAND USE: MEDICAL OFFICE BUILDING
ITE CODE: 720
AMOUNT: 26,600
UNITS: SF (GFA)
WFFKDAY
ADT
AM PEAK HOUR
PM PEAK HOUR
926
IN
58
OUT
36
TOTAL
94
IN
43
OUT
66
TOTAL
109
UTILITY DEMANDS
WATER FLOW (AVERAGE DAILY DEMAND)
AVERAGE FLOW RATES (FROM TABLE A 12VAC5-590-690, VDH WATERWORKS REGULATIONS):
OFFICE: 250 GPD/1,000 SF = 26,600 X 250 GPD/1,000 SF = 6,650 GPD
AVERAGE HOUR: 6,650 / 24 = 277 GALLONS PER HOUR
0
MAX HOUR = 300 /o OF AVERAGE HOUR = 277 X 3 = 831 GALLONS
PEAK DOMESTIC DEMAND = MAX HOUR X 2 = 831 X 2 = 1,662 GALLONS
SEWER FLOW (AVERAGE DAILY FLOW)
OFFICE: 26,600 SF X (250 GPD PER 1,000 SF) = 6,650 GPD
MADIS0N
PARK CONDOS
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VICINITY MAP
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DEVELOPER:
TURNER ENTERPRISES
250 WEST MAIN STREET, SUITE 201
CHARLOTTESVILLE, VA 22902
CONTACT: JOHN THIER
TELEPHONE: (434) 533-0788
ENGINEER OF RECORD:
TIMMONS GROUP
608 PRESTON AVENUE, SUITE 200
CHARLOTTESVILLE, VA 22903
CONTACT: CRAIG KOTARSKI, P.E.
TELEPHONE: (434) 327-1688
AS -BUILT SURVEY
BY TIMMONS GROUP
28 IMPERIAL DRIVE
STAUNTON, VA 24401
DATE OF SURVEY:
DECEMBER 23, 2021
APPROVED
by the Albemarle County
Common Io ment De artment
Date 3 )n P P
File WP0201900066
0 �1 TH 0 y� CERTIFICATION OF AS -BUILT SURVEY
I, JOSEPH C. MEDLEY, A LICENSED LAND SURVEYOR IN THE COMMONWEALTH OF VIRGINIA, DO
HEREBY CERTIFY THAT THE AS -BUILT CONDITIONS DEPICTED HEREIN ACCURATELY REFLECT
JOSEPH C. MED Y� THE CONSTRUCTION OF THE REFERENCED SITE. THE FACILITIES HAVE BEEN FOUND TO BE IN
Lic. No.3385 CONFORMANCE WITH THE APPROVED CONSTRUCTION PLANS UNLESS NOTED OR IMPLIED
01-19-22 OTHERWIS
e,�D SURv��o4 i 0403003385 2022-0119
LICENSE NO. DATE.
BOLD AND OR BOXED
INFORMATION IS
AS -BUILT
AS -BUILT SURVEY NOTES:
1. HORIZONTAL DATUM IS BASED ON NAD 83
(NA2011); VERTICAL DATUM IS BASED ON NAVD
88. AS ESTABLISHED BY THIS FIRM (FOR INITIAL
DESIGN SURVEY)
Sheet List Table
SIGNATURE PANEL:
APPROVAL DATE
DEPARTMENT OF COMMUNITY DEVELOPMENT
PLANNING & ZONING
ENGINEERING
INSPECTIONS
ARCHITECTURAL REVIEW BOARD
DEPARTMENT OF FIRE AND RESCUE
ALBEMARLE COUNTY SERVICE AUTHORITY
VIRGINIA DEPARTMENT OF TRANSPORTATION
ALBEMARLE COUNTY ARCHITECTURAL REVIEW BOARD
COUNTY OF ALBEMARLE - CONSTRUCTION RECORD DRAWINGS (AS -BUILT) FOR VSMP
THE FOLLOWING IS A LIST OF INFORMATION REQUIRED ON CONSTRUCTION RECORD DRAWINGS FOR STORMWATER FACILITIES (REFERENCE WATER
PROTECTION ORDINANCE 17-422). IT IS PREFERABLE THAT THE CONSTRUCTION RECORD DRAWING BE PREPARED BY SOMEONE OTHER THAN THE
DESIGNER. PLEASE DO NOT PROVIDE DESIGN DRAWINGS AS CONSTRUCTION RECORD DRAWINGS.
A. A SIGNED AND DATED PROFESSIONAL SEAL OF THE PREPARING ENGINEER OR SURVEYOR.
B. THE NAME AND ADDRESS OF THE FIRM AND INDIVIDUAL PREPARING THE DRAWINGS ON THE TITLE SHEET.
C. THE CONSTRUCTED LOCATION OF ALL ITEMS ASSOCIATED WITH EACH FACILITY, AND THE INSPECTION RECORDS TO VERIFY PROPER DIMENSIONS,
MATERIALS AND INSTALLATION. THE ITEMS INCLUDE, BUT ARE NOT LIMITED TO THE FOLLOWING:
1. INSPECTION RECORDS AND PHOTOGRAPHS FOR PIPE TRENCHES AND BEDDING, INCLUDING UNDERDRAINS.
2. VIDEO PIPE INSPECTION FOR 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 ARE PER DESIGN. CORRECTIONS MAY BE REQUIRED FOR ALTERATIONS FROM THE DESIGN.
6. PLANTS, LOCATION AND TYPE.
7. PLANS AND PROFILES FOR ALL CULVERTS, PIPES, RISERS, WEIRS AND DRAINAGE STRUCTURES - DISPLAY THE INSTALLED TYPE OF DRAINAGE
STRUCTURES, CULVERT/PIPE 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 LOCATION OF ALL DITCH LINES AND CHANNELS, INCLUDING TYPICAL SECTIONS AND LININGS.
10. EASEMENTS -SHOW ALL PLATTED EASEMENTS WITH DEAD BOOK REFERENCES LABELED. FACILITIES AND DRAINAGE MUST BE WITHIN PLATTED
EASEMENTS. PROVIDE COPIES OF RECORDED DOCUMENTS.
11. GUARDRAIL, FENCES OR OTHER SAFETY PROVISIONS - DISPLAY THE CONSTRUCTED LOCATION OF ALL SAFETY PROVISIONS; FENCES, GUARDRAIL,
INCLUDING THE TYPE, LENGTH AND APPLIED END TREATMENTS, COMPARED TO
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.
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DRAWN BY
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FOR CONSTRUCTION
OF CURB AND
SLOPESAND
ENTRANCE EX. 2V (PRIVATE) -
SEE DB 5144 PG 303 ROAD R/W
DB. 488, PG. 620
20' & VAR. WIDTH ACSA
WATERLINE EASEMENT
DB. 5547, PG. 535
IMP 06000-00-00-03700
✓OSEPH W. & MARYJANE TEAGUE
DB 775 PG 154
ZONE.- HIGHWAY COMMERCIAL
USE.• COMMERCIAL (FUNERAL HOME)
M
W
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_ I
- - _ POLE
P AS -BUILT SURVEY
0
EXISTING TOPOGRAPHY IN THIS AREA BASED ON
/ 44 INFORMATION PROVIDED BY KIMLEY-HORN AND
o\ ASSOCIATES FOR THE IVY ROAD SIDEWALK PROJECT.
COORDINATION REQUIRED FOR FINAL TIE-INS.
\
MHD
\\ c \ \ \ syN TOP=570.68
INV 1N=566.27 (UNKNOWN SIZE AND TYPE) (SW)
INV 1N=566.45 8" HDPE (SW)
INV OUT=564.72 15" HDPE (SE)
STRUCTURE EX 500 TO BE INSTALLED WITH IVY ROAD
SIDEWALK PROJECT. PIPE 501A REPRESENTS
FUTURE CONNECTION TO EX 500, NOT TO BE
INSTALLED WITH BEAVER CREEK MOB PROJECT.
20'PUBLIC
POI E TIE INTO COUNTY DRAINAGE EASEMENT
SIDEWALK PROJECT. ADA DB, 5547, PG. 535
\ \ PP 1 \ \ RAMP TO REMAIN.
/
IMP 06000-01--00-03800 F
® 2246-2248IVY ROAD LLC / � \ � \ � � ? _
- - - -DB 1806 PG-6Z / / / \Jl� Ifg6.S0, p
° I 1.42 ACRES FROM RECORD�P* LAT Z
`\ \ \ \ \ l \ \ I \ 7 /
2246 IVY ROAD ��� \ \� 00 \ \ \ VAR. WIDTH PUBLIC
DRAINAGE EASEMENT
I _ Old- \ DB. 5547, PG. 535
\\\/Cb
2 O 1 / SD O7 ,PERM FONT DOMI lON \\ \ l \ \
/At, - 579 \ � LANE GY \SEME T \ l \ \ / 3904186.42
S S N TO/'-57O. B7 '4 TE ` _ _ SE DB 51 4Y�G 66 \ 9 / \ \ moo \ 700 11477816.82
4 i1 �p�RECEg ETERM/NE lil T \ \ \ \ FiCP7o1
h I / /Nk OUT=57442D) ryPEOR s/zE GARAGE FFE: 572.0' 8' HDPE RD 2 \ \ /� / Y 7� �S)2
11 BUILDING FFE: 583.0' WITH T 50 \ // / / \ 3904179.19 /NV=564.19 \
(7
r 1 _ 39041663� 1147779550
\ T ENCH DRAIN /\ s� / ` l MHD
O 11477714.13 - /
Q II I / \IVI K QLEAN0 T / TOP=567.88
r 11 It 8"H PER 1 ` �� / \ /�--
/ END OF 8" 1�\ ` / "1S) / SP \ \ lNV 1N=564.42 15"HDPE (NW)
ITH C EAN T
MHD HDPE / \t %� ph 9 \ lNV OUT=564.11 15"RCP (NE)
/
TOP=S 1.57 /NV=571.22 ) \ b \ h� \ 71 ` TEMP.
7 EASEMENT FOR
=57453 ' BO/TT / /
I I / / r ° � v ° .. O ✓ ° \ / � � �rj Ej � ENTRANCE
SEE DB 5134
O s ry 6 \
o< 3
11
01
302
1 39041 .53 / / 04103.12-
11477581.13 11 7761( 56 1
36" CCESS IRIS R - - I
WITH OFF MH-1 OP
- _ PP 0 I
`� 24' 11477692 1 402 / 58j I " SO INLET/ W GRATE
J5.
- ~- Aft VA gTER \ / 581 \ \ WALL
TOP=581.99
\ McNr / UNABLE TO DETERMINE TYPE OR SIZE
ACCESS
�SEMFNr 01 / MHD (PIPE RECESSED)
DB 536-9, /l INV
OUT=574.94 SW
R /F I PG 212 0408334 / 'Sa2 _ TOTTOM 35 ( )
POLE BE HMARK 1 17`%77684,2g \\ /� _ - - - 1\\ BOTTOM=574.46
PP
I 582
SO CURB INLET I 6" ACCESS RI ER
TOP=577.76 1 I 600 LF OF 36" \ \ WITH /DOT MH 1 TO \ \
INV OUT=575.1312"HDPE (SE) 7� I GROUND / TMP06000-00-00-03900
77 j CMP STORAGE j� / WESTENDSHOPS-EASTLLC
I I 3904051.35 /7 DB 1805 PG 664
11477514.66
�1 / - -- I
I / /
:1`,: ZONE: HIGHWAY COMMERCIAL
202
o I_ , RD USE. COMMERCIAL (NEIGHBORHOOD
201 � I JrO HC Sl6 \ '/'j; SHOPPING CENTER)
IMP 06000-00-00-03600 I \ J I ro /
300 TWIN SYCAMORES LANE LLC (ro ="
DB 3995 PG 533 I / 1 - - r 19C SIGN
ZONE.' COMMERCIAL OFFICE
USE: COMMERCIAL (OFFICE)
I \
584 '
I I
SD INLET/ W GRATE 1 j 1�1 L \
1
TOP=577.15 / I 02 13903999.35-
INV OUT=574.90 12" (UNKNOWN TYPE) (NE) / l 11477511.91 , 39 4 0 , /
/ I 1 1 11 7 604. LINE TABLE
/ I h 601 h ^ 6" ACCES / S / LINE BEARING LENGTH
If
RIER / / / I /
\q'b�iiTH-VDOT / / 1 L1 N79'15'04"W 15.00,
GO I 3903974.63 3 0399504 heal TOP w"
/ v L2 S2'18'34 E 106.55'
MHD I 11477512.20 / 1 /1757. 1 PLATE / / SpN I / h 20'SANITARY
TOP=577. 14 I I 1 7 / / SEWER EASEMENT 10
01 / 7 DB. 488, PG.624
INV 1N=573.99 12" HDPE (NE) I /I 7 h
INV OUT=573.94 12- RCP (S) 12" IT H T M - \
GORE \ 100 1
- - IFFBENT I 5
- - BENCHMARK / 11 rz X 1XI ` /
- / TOINLET � 102 X -
- - \ TOP=576.1 ON /
INV IN I2RCP=573.79 N8501644"W 217.00'
lPF INV OUT 12 RCP=573.72
BENCHMARK I MHD TREE L/NE ROD /F
TOP=580.70 BENCHMARK O1QP-
I 51
TMP 06000-00-00-036AO SD INLET/ W GRATE BOTTOM=574.- -
STILLFRIED LANE LLC I TOP=576.55 - �-
UNABLE TO DETERMINE TYPE OR SIZE MHD
DB 4709 PG 224 I (PIPES RECESSED) TOP=579.59
ZONE, R 1 RESIDENTIAL CL CHAMBER=573.65 INV OUT=574.45 12" (UNKNOWN TYPE) (SW)
USE: RESIDENTIAL (MULTIFAMILY)
I LEGEND
TMP 06000-00-00-04005
I CHARLOTTESVILLE INVESTMENT NI STORM MANHOLE (MHD)
PROPERTIES ® GRATE INLET
I
DB860PG568-------------a FLARED END SECTION (FES) ZONE-R15RESIDENTIAL--------------- STORM LINE
USE: RESIDENTIAL (MULTIFAMILY)
SEE SHEET 7.0 FOR ASBUILT INFORMATION
STORM STRUCTURE TABLE
STRUCTURE #
TOP
STRUCTURE HEIGHT
DESCRIPTION
EX 500
568.31
3.71'
DI-313 14 ft Throat
100
577.00
3.11'
MH-1
102
576.75
2.75'
DI-1
202
577.81
2.91'
DI-2C 8 ft Throat
302
579.84
5.18'
DI-1
402
581.96
7.16'
DI-1
500B
570.79
6.38'
MH-1
502
572.00
5.24'
6" Cleanout
602
577.25
2.44'
DI-1
700
565.37
1.46'
ES-1 for 15 inch Pipe
702
567.62
3.56'
MH-1
STORM PIPE TABLE
PIPE #
DIA
UPSTREAM
INVERT
DOWNSTREAM
INVERT
SLOPE
LENGTH
101
12"
574.00
573.89
0.87%
12.62 LF
103
12"
574.50
574.00
0.82%
61.21 LF
201
12"
574.91
574.50
0.49%
1 82.06 LF
301
12"
574.66
574.50
0.50%
30.98 LF
401
12"
574.80
574.50
5.00%
5.93 LF
501A
15"
564.70
564.61
0.50%
18.90 LF
501 B
12"
567.04
566.23
2.00%
40.45 LF
601
12"
574.81
574.50
0.50%
62.07 LF
701
15"
564.06
563.93
0.50%
25.52 LF
703
15"
564.51
564.16
0.50%
70.32 LF
RD 1
8"
576.20
1 574.50
5.00%
33.93 LF
RD2
8"
566.95
566.23
2.99%
24.18 LF
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SEE SHEET 7.0 FOR ASBUILT INFORMATION r DRAWN BY
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580
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PARKIN
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570
570
FRENCH
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565
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• DESIGNED BY
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• CHECKED BY
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AS -BUILT SURVEY ' -
BY TIMMONS GROUP
28 IMPERIAL DRIVE
STAUNTON, VA 24401
DATE OF SURVEY:
DECEMBER 23, 2021
BOLD AND OR BOXED
INFORMATION IS
AS-B U I LT
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ANALYSIS
POINT 2 Wq TEF MAER VAULT
PRE-DEVELOPEDDRAINAGEAREA I
TO ANALYSIS POINT I
AREA = 0.58 AC
t - sqN� IMPERVIOUS = 0.39 AC
PERVIOUS=0.I9AC
\ /a- \
\ 1 1 _
PRE -DEVELOPED DRAINAGE AREA 2 / rI III _ , - - - - -
TO ANALYSISPOINT2 4 \\\ - y
AREA = 0.33 AC \ 1 _ _ 5 _ -
IMPERVIOUS = 0.09 AC `\ `
PERVIOUS = 0.24 AC t I ' b -579 - \ \ \, ��- �- XI
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, 584,
ANALYSIS
- POINT 3
1
ANALYSIS
/` POINT 1
�s
1 / SpN hEq
PRE -DEVELOPED DRAINAGEAREA 3
TO ANAL YSIS POINT 3 - ----
AREA = 0.60 AC
IMPERVIOUS = 0.55 AC
PERVIOUS = 0.05 AC
PRE -DEVELOPMENT CONDITION
C.B.N.L.T. . - -Maw
Chesapeake Bay Nutrient LaltclTrust, LLC.
November 19, 2019
Timmons Group
ATTN: Kim Mellon
608 Preston Avenue, Suite 200�
Charlottesville, VA 22903
RE: CBNLT / Oak Grove- Nutrient Credit Availability
Project Reference: Beaver Creek Medical Office Building, Albemarle County
Attention: Ms. Mellon:
This letter is to confirm the availability of authorized Nutrient Credits sufficient to meet
jeet
requirements at our Oak Grove nutrient facility, which is registered with the Virginia D
ant of
Environmental Quality (DEQ). These Nutrient Credits are generated and managed and
of
the Oak Grove Nutrient Reduction Implementation Plan dated May 11, 2017 which
'zed by
the DEQ on August 31, 2017.
The Oak Grove project has been authorized to provide Nutrient Credits for use in the J
et
watershed. These Credits are transferable to those entities regulated under DEQ's Storm
Management Program in accordance with VA Code § 62.1-44.15:35. Currently our Oak Gro
facility
has 8.80 pounds of Phosphorus Credits available.
If we can provide further assistance please feel free to contact our office.
Sincerely,
Chesapeake Bay Nutrient Land Trust, LLC
By Its Manager
EarthSource Solutions, Inc. `3
SCOMA. Reed
Scott A. Reed
Vice President
CM esape.
AS -BUILT SURVEY
BY TIMMONS GROUP
28 IMPERIAL DRIVE
STAUNTON, VA 24401
DATE OF SURVEY:
M DECEMBER 23, 2021
00
Z BOLD AND OR BOXED
SCALEI"=ao' INFORMATION IS
AS -BUILT
0 40' 80
WATER QUALITY ANALYSIS
SITE DATA
PRE DEVELOPED AREA
IMPERVIOUS = 1.03 AC
PERVIOUS = 0.48 AC
PRE DEVELOPMENT LOAD (TP) (LB/YR) = 2.51 LB/YR
POST DEVELOPED AREA
IMPERVIOUS = 1.24 AC
PERVIOUS = 0.27 AC
POST DEVELOPMENT LOAD (TP) (LB/YR) = 2.84 LB/YR
MAXIMUM PERCENT REDUCTION REQUIRED FOR REDEVELOPMENT = 20%
TOTAL LOAD REDUCTION REQUIRED (LB/YR) = 0.85 LB/YR
REQUIRED REMOVAL WILL BE ACHIEVED THROUGH PURCHASING OF
OFFSITE NUTRIENT CREDITS.
TOP OF 36" STORAGE PIPE
ELEV. = 577.50'
S7 10 YEAR WSE
TOP OF WEIR 576.70'
PLATE 575.90'
------------- 1YEARWSE
575.88'
STEEL PLATE
ELEV.
574.51
7" ORIFICE WITH TRASH RACK
INV 574.51
UNDERGROUND CMP WEIR PLATE SECTION DETAIL
WATER OUANTITY ANALYSIS - POINT 1
DRAINAGE AREA ANALYSIS (PRE -DEVELOPMENT)
PRE -DEVELOPED DRAINAGE AREA 1
AREA = 0.58 AC
0.39 AC (IMPERVIOUS)
0.19 AC (MANAGED TURF D SOILS)
Tc = 6 MIN
Q (CFS) V (CUBIC -FT)
1 YEAR 2.10 4,617
10 YEAR 4.23 9,757
CHANNEL PROTECTION (ENERGY BALANCE
POST -DEVELOPED DRAINAGE AREA 2
TO ANALYSIS POINT 2 (UNDETAINED)
AREA = 0.19 AC
IMPERVIOUS = 0.14 AC
PERVIOUS = 0.05 AC
POST -DEVELOPED DRAINAGE AREA 3B II
TO ANALYSIS POINT 3 (UNDETAINED) /
AREA = 0.01 AC / -
IMPERVIOUS = 0 AC
PERVIOUS = 0.01 AC
I
ANALYSIS t
POINT 3
/ ANALYSIS
POINT 2
ma
�ry
WEIR PLATE P
II
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mom
ml
POST -DEVELOPED DRAINAGE AREA 3A-
TO ANALYSIS POINT 3 (DETAINED)
AREA = 0.82 AC
IMPERVIOUS = 0.75 AC
PERVIOUS = 0.07 AC
POST -DEVELOPMENT CONDITION
DRAINAGE AREA ANALYSIS (POST -DEVELOPMENT
POST -DEVELOPED DRAINAGE AREA 1
AREA = 0.49 AC
0.35 AC (IMPERVIOUS)
0.14 AC (MANAGED TURF)
Tc=6MIN
Q (CFS) V (CUBIC -FT)
1 YEAR 1.83 4,095
10 YEAR 3.62 8,451
QDEVELOPED < 0.80*(QPRE-DEVELOPED*RVPRE-DEVELOPED)/RVDEVELOPED
1.83 CFS <_ 0.80*(2.10 CFS*4,617 CF)/4,095 CF = 1.89 CFS
FLOOD PROTECTION:
POST -DEVELOPED Q10 <_ PRE -DEVELOPED Q10
3.62 CFS (POST -DEVELOPED Q10) <_ 4.23 CFS (PRE -DEVELOPED Q10)
WATER QUANTITY ANALYSIS - POINT 2
DRAINAGE AREA ANALYSIS (PRE -DEVELOPMENT)
PRE -DEVELOPED DRAINAGE AREA 2
AREA = 0.33 AC
0.09 AC (IMPERVIOUS)
0.24 AC (MANAGED TURF D SOILS)
Tc=7MIN
Q (CFS) V (CUBIC -FT)
1 YEAR 0.89 1,960
10 YEAR 2.06 4,661
CHANNEL PROTECTION (ENERGY BALANCE
DRAINAGE AREA ANALYSIS (POST -DEVELOPMENT)
POST -DEVELOPED DRAINAGE AREA 2
AREA = 0.19 AC
0.14 AC (IMPERVIOUS)
0.05 AC (MANAGED TURF)
Tc=6MIN
Q (CFS) V (CUBIC -FT)
1 YEAR 0.71 1,568
10 YEAR 1.41 3,267
QDEVELOPED < 0.80*(QPRE-DEVELOPED*RVPRE-DEVELOPED)/RVDEVELOPED
0.63 CFS <_ 0.80*(0.89 CFS*1,960 CF)/1,568 CF = 0.89 CFS
FLOOD PROTECTION:
POST -DEVELOPED Qlo <_ PRE -DEVELOPED Q10
1.41 CFS (POST -DEVELOPED Q10) <_ 2.06 CFS (PRE -DEVELOPED Qto)
WATER OUANTITY ANALYSIS - POINT 3
DRAINAGE AREA ANALYSIS (PRE -DEVELOPMENT)
PRE -DEVELOPED DRAINAGE AREA 3
AREA = 0.60 AC
0.55 AC (IMPERVIOUS)
0.05 AC (MANAGED TURF D SOILS)
Tc= 6 MIN
Q (CFS) V (CUBIC -FT)
1 YEAR 2.47 5,881
10 YEAR 4.61 11,369
CHANNEL PROTECTION (ENERGY BALANCE
1
\` ANALYSIS
111CPOINT 1
e
POST -DEVELOPED DRAINAGE AREA 1
\ TO ANALYSIS POINT 1 (UNDETAINED)
AREA = 0.49 AC
IMPERVIOUS = 0.35 AC
PERVIOUS = 0.14 AC
- 58,p-
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DRAINAGE AREA ANALYSIS (POST -DEVELOPMENT
POST -DEVELOPED DRAINAGE AREA 3A
AREA = 0.82 AC
0.75 AC (IMPERVIOUS)
0.07 AC (MANAGED TURF)
Tc=6MIN
Q (CFS) V (CUBIC -FT)
1 YEAR 3.31 7,710
10 YEAR 6.25 15,159
POST -DEVELOPED - UNDERGROUND DETENTION
AREA 3A
Q (CFS)
1 YEAR 1.34
10 YEAR 3.48
POST -DEVELOPED DRAINAGE AREA 3B
AREA = 0.01 AC
0 AC (IMPERVIOUS)
0.01 AC (MANAGED TURF)
Tc=6MIN
Q (CFS) V (CUBIC -FT)
1 YEAR 0.02 44
10 YEAR 0.06 131
POST -DEVELOPED ANALYSIS POINT 3
COMBINES UG DET + POST -DEVELOPED DRAINAGE
AREA 3B
Q (CFS) V (CUBIC -FT)
1 YEAR 1.35 7,754
10 YEAR 3.51 15,290
QDEVELOPED < 0.80*(QPRE-DEVELOPED*RVPRE-DEVELOPED)/RVDEVELOPED
1.35 CFS <_ 0.80*(2.47 CFS*5,881 CF)/7,754 CF = 1.50 CFS
FLOOD PROTECTION:
POST -DEVELOPED Qto <_ PRE -DEVELOPED Q10
3.51 CFS (POST -DEVELOPED Q10) <_ 4.61 CFS (PRE -DEVELOPED Q10)
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DRAWN BY
K. MELLON
DESIGNED BY
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CHECKED BY
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SCALE
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43567
SHEET NO.
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102: DI-1
STA 10+63.62
TOP 576.55
INV IN 574.00 (103) I UNABLE TO MEASURE
INV OUT 574.00 (1 01)l UNABLE TO MEASURE
100: MH-1 CL STRUCTURE=573.(5
STA 10+76.24
TOP 577.14
NV IN 101)
SRS S7� Ocl II SR5)i S R S
EXIST.
GRADE
PROP.
580
GRADE
580
36'
575 CMP
575
EXIST.
103
12" RCP
61.21' OF
2" HDPE
@ 0.82%
NABLE TO MEASUR
570
570
12.62' OF
2" HDPE
@ 0.87%
SURE
UNABLE TO M
565
1
565
560
560
9+50 10+00 11+00
UG DETENTION - STR 100
HORIZ SCALE: 1"=50'
VERT SCALE: 1 "=5
E
LIP
AND
FIE
2 is Lm
SRS SAS
PROP.
GRADE
580
580
EXIST.
GRADE
1.7'
36"
575
CMP 575
XISTING GAS
201
E. LOCATION
82.06' OF
DEPTH TO I
LID VERIFIED.
@ 0.49%
570
UN
LE TO MEASURE
570
565
1
1 565
560
560
302: DI-1
STA 1
TOP 57 579.67
INV OUT 674 66 (301)
574.42
SRS
EXIST.
GRADE
PROP.
GRADE
580�
580
31
MIN.
3
'
575
C
P 575
301
30.98' OF
2" HDPE
570
@ 0.50%
570
UNABLE TO ME,SURE
565
565
560
560
11+50 9+50 10+00 11+00 11+50 9+50 10+00 11+00
STR 202 - UG DETENTION STR 302 - UG DETENTION
APPROX. LOCATION OF EX. GAS MAIN.
CONTRACTOR TO FIELD VERIFY DEPTH AND LOCATION
590
HORIZ SCALE: 1"=50'
VERT SCALE: 1 "=5
590
6" CLASS 52
DIP WATERLINE
585
585
PROPO
ED
G
DE
CONN
TION TO
EXISTING W
TERLINE.
VERIFY I.00ATION
AND EL
EVATION.
580
580
EX. GA
MAIN
EXIST
NG
-
G
DE
575
3.5'
575
570
570
565
565
J
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560
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00
555
9+50 10+00 11+00 12+00 12+50
WATERLINE 'A' - SERVICE
HORIZ SCALE: 1"=50'
VERT SCALE: 1 "=5
595
HORIZ SCALE: 1"=50'
VERT SCALE: 1 "=5
595
590
590
PROPOSE
GRAD
585
585
6" CLA
S 52
DIP WATERLINE
(STING
GRADE
580
580
i
3.5'
IN.
575
575
570
570
z
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F
U
w
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00
565
565
w
W
Q
0.
560
ul
560
9+50 10+00 11+00
WATERLINE 'B' - FDC SERVICE
HORIZ SCALE: 1"=50'
VERT SCALE: 1 "=5
San
AS -BUILT SURVEY
BY TIMMONS GROUP
28 IMPERIAL DRIVE
STAUNTON, VA 24401
DATE OF SURVEY:
DECEMBER 23, 2021
BOLD AND OR BOXED
INFORMATION IS
0
AS -BUILT
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00 0 Do 0
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Sign 585
585
585
EXIST.
GRAD
PROP.
GRAD
580
580
3'
MIN
36'
575
CMP
575
401
5.93' OF
12" HDPE
570 @ 5.00%
570
UNABLE TO
OEASURE
565
565
585
EXIST.
GRADE
PROP.
GRADE
580
580
i
1.5'
36'
575
CMP
575
601
62.07' OF
2" HDP
@ 0.50%
UNABLE TOM
57O
URE
570
565
565
560
560
9+50 10+00 11+00 9+50 10+00 11+00 11+50 9+50
STR 402 - UG DETENTION STR 602 - UG DETENTION
HORIZ SCALE: 1 "=50'
VERT SCALE: V=5
590
590
585
585
PROPOSED
GRADE
EXISTING
BACKFL
W
GRADE
PREVE
r
ER
580
580
EX. G
S MAIN
6'
LASS 52
DIP
WATERLINE
WATERLINE
D
575
575
5
IN.
1' MIN.
570
570
565
565
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w
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560
w
560
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555
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555
9+50 10+00 11+00
WATERLINE 'C' - FIRE SERVICE
HORIZ SCALE: 1"=50'
VERT SCALE: 1 "=5
HORIZ SCALE: 1"=50'
VERT SCALE: 1 "=5
590
w
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501
W
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STA 11+13.21 Z ; TOP 4n(73)0
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64.42INVIN�0_ INV OUT3
i �n 700: ES-1 for 15 inch Pipe
_ STA 11+38.72
O g o O TOP 565.42
;WO �p�wf= 0 INV IN (701)
> oQ >»>
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,FZ �U) Z Z Z
SRO SRn
jGP�RO�P�.
GRADE / 179-&Z OF 703 71.56
@ 0.50%
V MIN. 1 MIN.
-1' IN.
APPROX. LOCATION
OF 8" SANITARY
SEWER LINE.
560
CONTRACTOR TO
L APPROX. LOCATION
FIELD VERIFY.
OF 8" EXISTING
APPROX. LOCATION OF
WATERLINE TO BE
8" EXISTING WATERLINE
RELOCATED WITH IVY
TO BE RELOCATED WITH
ROAD SIDEWALK
- IVY ROAD SIDEWALK
IMPROVEMENTS.
IMPROVEMENTS.
CONTRACTOR TO
CONTRACTOR TO
COORDINATE WITH
COORDINATE WITH
COUNTY ON
COUNTY ON
LOCATION/DEPTH.
LOCATION/DEPTH.
10+00 11+00
STR 502 - STR 700
HORIZ SCALE: 1 "=50'
VERT SCALE: 1 "=5
NOT OBSERVED
EX 500: DI-313 14 ft Throat
STA 10+03.06
TOP 568.31
INV OUT 564.70 (501A)
50OB: MH-1
STA 10+42.93 ---
570681
TOP
INV IN366�3 (RD2 566.45
INV IN 564.61 (501A) NOTOB
INV IN 666.20 (501B 566.27
INV OUT364rr'F(70
564.72 5Rn
575
575
EXIST,
GRADE
PROP.
GRADE
570
570
/
4.4'
565
I1
565
501A
18.90' OF
15" RCP
560
@ 0.50%
560
NOT OBSERV
D
555
NOTE: EXISTING 8" WATERLINE
TO BE RELOCATED PRIOR TO
555
INSTALLTION OF FUTURE
CONNECTION. FUTURE
CONNECTION TO BE INSTALLED
BY COUNTY AS PART OF IVY
ROAD SIDEWALK PROJECT.
12+00 9+50 10+00 11+00
FUTURE CONNECTION
INV IN 565.32 (3-2)
INV OUT 565.22 (2-1)
STA 10+12.76 3
TOP 574.10
INV IN 567.12 (BLDG-3)
INV OUT 567.02 (3-2)
590 590
EX. G
S
585
MAIN
585
PROPO
ED
GRADE
W
TER METER
V
LT
EXISTING
GRADE
580
580
2" TY13E
K
COPPER
INE
575
575
MIN.
1' MIN.
570
I
570
565
F565
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560
C
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560
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9+50 10+00 11+00 11+50
WATERLINE 'D' - DOMESTIC SERVICE
HORIZ SCALE: 1"=50'
VERT SCALE: 1 "=5
HORIZ SCALE: 1 "=50'
VERT SCALE: 1 "=5
1 STA 10+97.19
TOP 571.41
INV IN 563.46 (1-EX.1)
INV IN 564.39 (2-1)
INV OUT 563.46 (1-EX.1 (1))
590
585
585
PROPOSED
BUILDING
EXIST
NG
580
GRAD
580
-PROPOSED
GRAD
I\
575
575
PROPOSED
GARAGE
570
570
565 BLDG-3
32
565
12.76' OF
6'• pV0
2 1
6" PVC
@ 3.00%
2? 69-
@ 3.00%
6„PVOF
@ 3.00%
560
560
555
555
9+50 10+00 11+00 11+50
SANITARY - BLDG TO MAIN
HORIZ SCALE: 1 "=50'
VERT SCALE: 1 "=5
0 50
PROFILE SCALE
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1112512019
O
K.
DRAWN
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BY
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• DESIGNED BY
• K. MELLON
• CHECKED BY
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• • SCALE
1" = 30'
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