HomeMy WebLinkAboutWPO202100015 Plan - VSMP 2021-04-26CLUB
GENERAL NOTES
OWNER/DEVELOPER
TMP 060E2-00-00-00100
FARMINGTON COUNTRY CLUB
1625 COUNTRY CLUB CIRCLE
CHARLOTTESVILLE, VA 22901
ENGINEER
COLLINS ENGINEERING
200 GARRETT ST., SUITE K.
CHARLOTTESVILLE, VIRGINIA 22902
TELEPHONE 434.293.3719
FAX (434)-293-2813
CONTACT MR. SCOTT COLLINS, P.E.
EMAIL SCOTTOCOLLINS-ENGINEERING.COM
TAX MAP PARCEL
TMP 060E2-00-00-00100
AREA
271.2880 cc. (PER COUNTY GIS)
PURPOSE
THIS PLAN PROPOSES TO REGRADE HOLE 6 OF
THE FARMINGTON COUNTRY CLUB GOLF COURSE.
ZONING
RA, RURAL AREAS
USE
COUNTRY CLUB, GOLF COURSE
WATERSHED
IVY CREEK WATERSHED
TOPO & SURVEY
TOPOGRAPHY PROVIDED BY ALBEMARLE COUNTY
GIS AND AERIAL SURVEY. THE SITE WAS FIELD
VERIFIED IN MARCH OF 2021.
DATUM
NAD 83 SOUTH
EXISTING VEGETATION
THE PARCEL IS PREDOMINANTLY GRASS
PHASING
CONSTRUCTION WILL OCCUR IN ONE PHASE.
CRITICAL SLOPE
CRITICAL SLOPES EXIST WITHIN THE SUBJECT
PARCEL, HOWEVER NO MANAGED STEEP SLOPES OR
PRESERVED SLOPES.
FLOODPLAIN
THE PROPOSED PLAN DOES NOT CONTAIN
100-YEAR FLOODPLAINS AND IS LOCATED
WITHIN ZONE X PER FEMA MAP #5100JCO266D
WITH AN EFFECTIVE DATE OF 214105.
HISTORIC STRUCTURES
NO HISTORIC STRUCTURES WERE FOUND ON THIS
PROPERTY DURING A FIELD INVESTIGATION OF THE
St TE.
COLLINS ENGINEERING IS NOT RESPONSIBLE OR LIABLE FOR ANY
CONSTRUCTION OR DAMAGES TO THIS PROJECT PRIOR TO ALL FINAL PLAN
APPROVALS.
CONTRACTOR SHALL VERIFY LOCA77ON AND ELEVATION OF ALL UNDERGROUND
UTIL177ES SHOWN ON PLANS IN AREAS OF CONSTRUCTION PRIOR TO STAR77NG WORK.
CONTACT ENGINEER IMMEDIATELY IF LOCA77ON OR ELEVATION IS DIFFERENT FROM
THAT SHOWN ON THE PLANS, IF THERE APPEARS TO BE A CONFLICT AND UPON
DISCOVERY OF ANY UTILITY NOT SHOWN ON THE PLANS.
EROSION CONTROL NOTES & NARRATIVE
PURPOSE.•
THE PURPOSE OF THE LAND DISTURBING AC770TY IS TO REGRADE HOLE 6 OF THE FARMINGTON COUNTRY CLUB GOLF
COURSE. THIS PROJECT WILL INVOLVE APPROXIMATELY 2.95 ACRES OF LAND DISTURBANCE.
EXIS77NG SITE CONDITIONS:
THE SUBJECT PROPERTY ALONG OAK CIRCLE IS WEST OF A SINGLE FAMILY HOME ON THE CORNER OF OAK CIRCLE
AND FARMINGTON DRIVE. THIS SITE SLOPES GENERALLY NORTH AND ULTIMATELY DRAINS WEST OFF THE GREEN
TOWARDS A DITCH. WOODED AREAS EXIST IN THE WESTERN POR77ON OF THE PROPERTY.
ADJACENT AREAS.•
THE PROPERTY IS BORDERED TO THE EAST AND WEST BY SINGLE FAMILY HOMES. TO THE NORTH OF THE LIMITS OF
DISTURBANCE IS MORE OF THE GOLF COURSE. TO THE SOUTH OF THE SITE IS OAK CIRCLE.
OFFSITE LAND DISTURBANCE.•
NO OFFSITE LAND DISTURBANCE /S PROPOSED WITH THIS SET OF PLANS.
CRI77CAL AREAS:
NO MANAGED OR PRESERVED STEEP SLOPES EXIST ON THIS SITE
SEQUENCE OF CONS7RUCTION:
1. NOTIFY THE ALBEMARLE COUNTY EROSION CONTROL INSPECTOR TO SCHEDULE A PRE-CONSTRUC77ON MEE77NG AS
REQUIRED.
2. FLAG THE CLEARING LIMITS AND WOODED AREA THAT IS TO REMAIN.
J. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT THE
APPROVAL FROM THE INSPECTOR ON THE PROJECT.
4. INSTALL THE INITIAL EROSION CONTROL MEASURES AS SHOWN ON THIS SHEET. INSTALL THE SILT FENCE,
DIVERSION DIKES, AND SEDIMENT TRAP AS SHOWN THESE MEASURE IS INTENDED TO 7RAP SEDIMENT AND SHALL
BE CONSTRUCTED AS A FIRST STEP IN LAND DISTURBANCE ACTTVI77ES AND SHALL BE MADE FUNCTIONAL BEFORE
UPSLOPE LAND DISTURBANCE TAKES PLACE. THE CONTRACTOR IS TO STAY WITHIN THE LIMITS OF DISTURBANCE
AT ALL TIMES AND ENSURE POS177VE DRAINAGE ALONG ANY MEASURES INTENDED TO DIVERT WATER.
5. INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE EROSION CONTROL PLAN.
6. ONCE ALL THE EROSION CONTROL I7EMS HAVE BEEN INSTALLED AS SHOWN ON THE EROSION CONTROL PLAN AND
THE COUNTY INSPECTOR HAS APPROVED THE EROSION CONTROL MEASURES, GRADING CAN BEGIN AS SHOWN ON
THE PLAN.
7. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS
AFTER FINAL GRADE IS REACHED ON ANY POR77ON OF THE SITE TEMPORARY SOIL STABILIZA77ON 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.
8. MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE WRGINIA EROSION AND SEDIMENT CONTROL
HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE COUNTY ENGINEER IN ACCORDANCE WITH THE VIRGINIA
EROSION AND SEDIMENT CONTROL HANDBOOK.
9. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES, INCLUDING THE TEMPORARY SEDIMENT TRAP,
SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SI7E 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 RESUL77NG FROM THE DISPOSIT70N OF TEMPORARY MEASURES SHALL
BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIM£NT4770N.
ATTACH FILTER FABRIC -
TO STAKES OR POSTS &
EXTEND lT INTO TRENCH
WOODEN
STAKE OR
TEEL POST
L= 5 MIN.)
EXCAVATED SOIL
BACKFILLED AND
COMPACTED
4"x4" TRENCH
SIL T FENCE
&WITHOUT WIRE SUPPORT
FARMINGTON COUNTRY CLUB -
GOLF COURSE HOLE 6
VSMP PLAN (WP0202100015)
JACK JOUETT DISTRICT
ALBEMARLE COUNTY, VIRGINIA
E&S GENERAL NOTES
GENERAL CONSTRUCTION NOTES FOR EROSION AND SEDIMENT CONTROL PLANS
1. 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.
2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED
ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND
SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND
SEDIMENT CONTROL REGULATIONS.
3. 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 SITE 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.
BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER ZONING
ORDINANCE SECTION 5.1.28.
12. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301 OF THE
CODE OF ALBEMARLE.
13. BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT SHALL BE
LIMITED TO THE HOURS OF 7.-OOAM TO 9:OOPM.
14. 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.
15. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR CONVERT TO
PERMANENT STORMWA TER MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION CONTROL
MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE SALE OF ANY LOT, UNIT, BUILDING OR
OTHER PORTION OF THE PROPERTY.
16. 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 50150 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 80LB5/100SF. ALTERNATIVES ARE SUBJECT TO APPROVED BY THE COUNTY
EROSION CONTROL INSPECTOR.
17. 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 NUTRIENT MIX. PERMANENT SEEDING SHALL BE APPLIED AT 180LBS/ACRE AND
CONSIST OF 957 KENTUCKY 31 OR TALL FESCUE AND 0-59 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.
18. 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 509 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.
19. 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.
20. THIS PLAN SHALL BE VOID IF THE OWNER DOES NOT OBTAIN A PERMIT WITHIN 1 YEAR OF THE
DATE OF APPROVAL. (WATER PROTECTION ORDINANCE SECTION 17-204G.)
21. PERMANENT VEGETATION SHALL BE INSTALLED ON ALL DENUDED AREAS WITHIN NINE (9)
MONTHS AFTER THE DATE THE LAND DISTURBING ACTIVITY COMMENCED. (WATER PROTECTION
ORDINANCE SECTION 17- 207B)
TABLE 3.31-C
TEMPORARY SEEDING PLANT MATERIALS, SEEDING RATES, AND DATES
SEEDING RATE
NORTH°
SOUTH'
PLANT
311
111
1111
2115
111
911
SPECIES
CHARACTERISTICS
Acre
1000 flr
to
to
to
to
to
to
4/30
8115
11/1
4/30
9/1
11/15
OATS
3 bu. (up to IOD lbs.,
2 lbs.
X
-
-
X
-
-
Use spnng varieties (e.g., Noble).
(Avena sstiva)
not less they 50 lbs.)
RYEa
2 bu. (up to 110 lbs.,
2.5 lbs.
X
-
X
X
-
X
Use for late fall ualings, winter
(Secale cemle
not less then 50 lbs.)
cover. Tolerates sold soul low
moisture.
GERMAN MILLET
50 lbs.
approx. I Ib.
-
X
-
-
X
-
Werm-season annual. Dies at first
(Set" helical
frost Mey be added to mouror
mixes.
ANNUAL RYEGRASS°
60 lbs.
Ph lbs.
X
-
X
X
-
X
May be added in mixes. Will
(Lolwm multi -Flamm)
mow sot esf most stands.
WEEPING
15 lbs.
5'h on.
-
X
-
-
X
-
Warm- season perennial. My
LOVEGRASS
bunch. Tolerates hot, dry slopes
IEnemelis t o )
and acid, infertile soils. May be
added to ...
ROREAN
25 lbs.
appmx. 1'h
X
X
-
X
X
-
Wit. season srmual legume.
LESPEDEZA`
lbs.
Tolesmes acid soils. May be
(Lmde sti uluwa
rWt# to mixes.
a Northern Piedmont and Mountain region. See Plates 3.22-1 and 3.22-2.
b Southern Piedmont and Coastal Plain.
c May be used as a cover crop with spring seeding.
it May be used as a cover crop with fall seeding.
X May be planted between these dates.
- May L191 be planted between these dates.
Its] /1M M
GENERAL SLOPE (,3:1 OR LESS) PER ACRE
KENTUCKY 31 FESCUE 128 LBS.
RED TOP GRASS 2 LBS.
SEASONAL NURSE CROP 20 LBS.
150 LBS
SEASONAL NURSE CROP
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
IRWI N
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.
PERMANENT SEEDING SCHEDULE
NO SCALE
(STD. & SPEC. 3.32 OF VIRGINIA EROSION &
SEDIMENT CONTROL HANDBOOK, 3RD ED.)
SOIL DESCRIPTION
J68 - HAYES V/LLE LOAM-29 TO 79 SLOPES. SOILS OF 7HIS SERIES ARE VERY
DEEP, WELL DRAINED, MODERATELY HIGH TO HIGHLY PERMEABLE, WITH
MEDIUM POTEN77AL FOR SURFACE RUNOFF.
14D - CHESTER LOAM-157 TO 257 SLOPES. SOILS OF THIS SERIES ARE VERY
DEEP, WELL DRAINED, MODERATELY HIGH TO HIGHLY PERMEABLE, WITH
HIGH POTENTIAL FOR SURFACE RUNOFF.
36C - HAYESVILLE LOAM-77 TO 157 SLOPES. SOILS OF THIS SERIES ARE VERY
DEEP, WELL DRAINED, MODERATELY HIGH TO HIGHLY PERMEABLE, WITH
MEDIUM POTENTIAL FOR SURFACE RUNOFF.
Compacted Soil
-Non-Erodable Liner
t Flow
SOURCE: VA. D4.5' min.
SWC PLATE 3.09-1
DD TEMPORARY DIVERSION DIKE
STONE
CONSTRUCTION
STONE
CONSTRUCTION
ACCESS -\
29
=,O
O-
VICINITY MAP:
SCALE: 1" = 1000'
MIN.
3" SM-2A ASPHALT
TOP COURSE
MIN. 21A AGGREGATE BASE
PROFILE
70' MIN.
ASPHALT PAVED
-0) FWASHRACK
2% 1 29
~ 129 12'
11
T
*MUST EXTEND FULL �POS/TIVE DRAINAGE
WIDTH L-► A� TO SEDIMENT
OF INGRESS AND EGRESS OPERA noN TRAPPING DEVICE
w PLAN
12' MIN. -
Lic. No. 035791 t,
04/23/21 w4
0�'S/ONAL E�Ol
ow
a�'�111liiyuiiiJ
•
•
PAVEMENT
-EXISTING
PAVEMENT
POSITIVE DRAINAGE
TO SEDIMENT
TRAPPING DEVICE
FILTER CLOTHS
SECTION A -A
A minimum water top of 1 inch must be installed with a minimum 1 inch bat/cock
shutoff valve supplying o wash hose with diameter or 1.5 inches for adequate
constant pressure. Wash water must be carried away from the entrance to an
approved settling area to remove sediment. All sediment shall be prevented from
entering storm drains, ditches or watercourses.
PAVED WASH RACK
NO SCALE
2"x4" WOODEN FRAME
f)ROP INI FT
OS/L T FENCE O
IP DROP INLET PROTECT/ON
NO SCALE
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SHEET NO.
1 OF 3
1992 3.38
/ D /
f CUT/FILL ANALYSIS:
VOLUME OF CUT FOR LIMITS OF DISTURBANCE: 1200 CY i NOTE: 'NTR CTOR T /
VOLUME OF FILL FOR LIMITS OF DISTURBANCE: 4100 CY h ENSURE POSTIVE DRAINAGE
NET VOLUME OF FILL FOR LIMITS OF DISTURBANCE: 2900 CY I �� LONG DIVERSION DIKE /
IN AREAS OF CUT, 6" OF TOPSOIL SHALL BE HAULED OFFSITE TO A \ PERMITTED (SWPPP) SITE. THE REMAINDER OF SURPLUS CUT WILL o 1, 1 1 I / �� \ /
BE USED TOWARDS REGRADING THE SUBJECT SITE. \ \ I h \ \
PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE
APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL \ \ I \ \ a
\ GRADE IS REACH ON ANY PORTION OF THE SITE.
N STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO —
DENUDED AREAS THAT MAY NOT BEAT FINAL GRADE BUT WILL \ \ I I I I 590 DRAINAGE DIVIDE (TYP.
REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 3o DAYS. IGHT OF WAY DIVERSION (TYP.) \
PERMANENT STABILIZATION SHALL BE APPLIE TO AREAS THAT ARE \ \ \ \ I I I \ ! \ s90 \
N
TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. \ \ \ \ ` \ \ S= �\
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FARMIN�TON\\\COUNTRY CLUE
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D.B. 1263�PGv.\668 �SBO AROUND SEDIM
\ = ` s TRAP P
s� S INLET IN REMA
-S8OR EXISTING INo �
\ � INLET PROTECTION �
1992 3.11 `� A —
AC
TO SEDI
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\ A \ CP
DRIP LINE
SNOW FENCE
BOARD FENCE
FENCING AND ARMORING
-_NCE
CORRECT METHODS OF TREE FENCING
00 CORRECT TRUNK ARMORING
TRIANGULAR BOARD FENCE
Lic. No. 035791,E
04/23/21 w4'
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STONE WEIR / ART PATH TO / \ z
\ ST1 \ ,5so REMAIN \ \ Source: Va. DSWC Plate 3.38-2
\ �6' WIDE TOP OF—
/ ,-LIMITS OF DISTURBANCE =2.95AC
DAM= 576.o0 /
Lg 0,
PROPOSED REROUTED 250 LF
° — —
/ / EXISTING CURB ALONG J CIO
1z" HDPE PRIVATE YARD DRAIN (V
/START INV = 584.00 /CART PATH TO REMAIN / I I — o t O� U)
�6 \\\ END INV = 576.00 i N / - __-----� �
600
— _ -- - W
SUBJECT PROPERTY LINE (TYP.) � � � � I / � � � N
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PROPOSED LIMITS OF
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A 610
— \ / OUTLIET PROTECTION TO INCLUDE A FILTER FABRIC /
\ \ / UNDERLAYMENT KEYED INTO THE EXISTING \ / j 6yz`i
\ \ GROUND A MINIMUM OF 9" ATTHE ENDS & ALONG
Source: Va. DSWC Plate 3.11-1 \ THE PERIMETER. EDGES OF FABRIC SHALL OVERLAP
A MINIMUM OF g". STONE TO BE VDOT CLASS Al �
/ STONE L=io FT, W1=2.5 FT, w2=10.83 FT, DEPTH=i. FT
TMP 6oEi-oC-3
�O� ��O
Sediment Trap design #1
drainage area (acres) (< 3 ac) 2.84 11 YARYHLEI IN\ \ \
trap volumes: ORIGINAL CREST orSTONE WEIR W,pBr
elevation (ft) area (sf) volume(cf) volume(cy) GROUND \ --
572 1606 0 0.0
574 4368 5,748 212.9 jTp�
DRY STORAGE p ,� VARIABLE' 10
576 7289 17,281 640.1 — — // \\ / o6y0/ / —624-
0 0 0 0.0
0 0 0 0.0 WET STORAGE �, Aux
(IXGVAIED) FITER CIOTN GROUND --_- - ' / / / /� / �� \ / —
LINE -
ELM
- — '' -� G DITCH LIN - — — / EXISTING E b30
wet storage:
-SEE PLATE 3.13-1 COARSE AGGREGATE CUSS I RPRAP
wet storage required (cy) (67*DA) 190.3
bottom of stone weir (ft) 573.79
wet storage provided at this elevation (cy) 190.3
slope of wet storage sides 2:1 —
weir length (ft) (6xDA) 17.0 / i i — — — / o \�_ IC SCALE
dry storage: bottom of trap elevation (ft) 570 i �x 30 0 15 30 \60
h
dry storage required (cy) (67*DA) 190.3 bottom trap dimensions: 36x60'
crest of stone weir 574.8 top of dam elevation (ft) 576
dry storage provided at this elevation (cy) 190.3 top width of dam (ft) 6' i / / / ( IN FEET) — \
slope of d storage sides 2:1 to trapdimensions 90'X106' / / / / — — — = 1 inch = 30 ft.
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CONTRACTOR STAGING AREA W
f WITH FUELING TANK, DUMPSTER, - —
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AND PORTA-POTTIES
- x , _I Q �
❑ - 0 O z V
_ --
PAVED CONSTRUCTION ENTRANCE
+
v+v+ x 12'X70' MIN. F-
NOTE: THIS CONSTRUCTION ENTRANCE SHALL BE ~
+\+ INSTALLED, OPERATED, AND MAINTAINED BY THE Q w
k CONTRACTOR. ALL CONSTRUCTION TRAFFIC IN THIS o o LL_ w
+\ AREA SHALL UTILIZE THIS CONSTRUCTION ENTRANCE. a� a u=i
N JOB NO.
SCALE
— 1 ' 00 1 "=30'
11+00 SHEET NO.
2 OF 3
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EXISTING YARD DRAIN INLET
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Lic. No. 035791,E
04/23/21 1
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PROPOSED REROUTED 25o LF _ CY
12" HDPE PRIVATE YARD DRAIN / / / I I — — \ o Ln N
START INV = S84.00 / / / / —�— +
/END INV = 576.o0
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% OUTLET PROTECTION TO INCLUDE A FILTER FABRIC \ y / / / L9 O J z
UNDERLAYMENT KEYED INTO THE EXISTING
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/ GROUND AMINIMUM OF9"ATTHEENDS&ALONG I J
/ THE PERIMETER. EDGES OF FABRIC SHALL OVERLAP
A MINIMUM OF 9". STONE TO BE VDOT CLASS Al c At
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\ \ WHICH PIPE OUTFACES / I / �° / i / CI I F— ( � r--q
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ROOF DRAIN AND YARD INLET DESCRIPTIONS
STR.
NO.
PIPE INFORMATION
INLET INFORMATION
COMMENTS
DIA.
(in.)
LENGTH
(ft.)
SLOPE
(%)
INVERT
IN
INVERT
OUT
MATERIAL
INLET TYPE
RIM
ELEVATION
EX 1
EX INLET
585.77
EX 12" ADS GRATE INLET
OUT
12
250.00
3.20%
584.00
576.00
1 HDPE
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— • W
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-- N JOB NO.
i o r a
182150
—
/ --- 00 SCALE
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\ � — � — _ / IC SCALE z2 00 ��— \ �
V � A �x0° 30 0 15 30 Aso __ --�— 00 V n_ i
, 10+00\ 130
11+00 SHEET NO.
IN FEET) \ 3 OF 3
1 inch = 30 ft. -
Structure
Area
(Acres)
Cw
t°
(mim)
EX 1
3.37
0.39
10.0