HomeMy WebLinkAboutWPO202000055 Plan - VSMP 2021-10-19GENERAL NOTES
OWNER: WHITE GABLES II LLC
912 MARSH LN
CHARLOTTESVILLE,VA 22903 WHITE GABLES VSMP PLAN AMENDMENT
ENGINEER:
COLLINS ENGINEERING
200 GARRETT ST, SUITE K
CHARLOTTESVILLE,VA 22902
(434)293-3719
TAX MAP NO.:
06000-00-00-02600 DB 2660 PG 218
TOTAL PROJECT AREA:
TOTAL SITE AREA: 3.44 ACRES (PROJECT AREA: 2.28 ACRES)
ZONING:
C-O (COMMERCIAL OFFICE) WITH SPECIAL USE PERMIT ALLOWING RESIDENTIAL
(MULTI -FAMILY) (SP-02-023). MANAGED SLOPES OVERLAY DISTRICT & ENTRANCE
CORRIDOR OVERLAY DISTRICT
TOPO & SURVEY:
SURVEY PROVIDED BY ROGER RAY & ASSOC, INC. TOPOGRAPHY IS FIELD SURVEY
PERFORMED BY ROGER RAY & ASSOC, INC. IN JANUARY, 2009 AND UPDATED IN
FEBRUARY 2020. TOPO FIELD VERIFIED BY COLLINS ENGINEERING IN JULY 2020.
DATUM:
NAD83, NAVD 88
EXISTING TERRAIN:
PROJECT AREA IS CURRENTLY A GRASS & WOODED AREA ADJACENT TO
COMPLETED PHASES OF THE RESIDENTIAL NEIGHBORHOOD
EXISTING DEVELOPMENT:
(3) MULTI -FAMILY CONDOMINIUM BUILDINGS EACH WITH (10) DWELLING UNITS
FOR A TOTAL OF 30 RESIDENTIAL UNITS
PROPOSED:
(3) MULTI -FAMILY CONDOMINIUM BUILDINGS EACH WITH (14) DWELLING UNITS
FOR A TOTAL OF 42 RESIDENTIAL UNITS WITHIN THIS PHASE.
DENSITY:
TOTAL ALLOWABLE DENSITY PER REQUIREMENTS OF THE SPECIAL USE PERMIT IS
76 RESIDENTIAL DWELLING UNITS. CURRENTLY THERE IS 30 EXISTING
RESIDENTIAL UNITS AND THIS PROJECT PROPOSES 42 RESIDENTIAL UNITS FOR
A TOTAL OF 72 DWELLING UNITS ON THE SITE.
WATER SUPPLY PROTECTION AREA: NOT APPLICABLE WITH THIS SITE PLAN AMENDMENT
WATERSHED / WATER RESOURCE AREA: RIVANNA RIVER DRAINAGE BASIN
DENSITY:
NOT APPLICABLE WITH THIS SITE PLAN AMENDMENT
GREENWAY DEDICATION:
NONE WITH THIS SITE PLAN AMENDMENT
BUILDING HEIGHTS:
60 FOOT HT MAXIMUM ALLOWED, 60' MAX. HT PROPOSED
SETBACKS:
SEE SHEETS 2, 3, AND 4 FOR THE EXISTING 50' REAR SETBACK, 30' FRONT
SETBACK, AND 215' FRONT BUILDING SETBACK
SUBDIVISION STREETS:
EXISTING PRIVATE STREETS (PART OF THE OVERALL DEVELOPMENT)
UTILITIES (WATER AND SEWER): COUNTY PUBLIC WATER AND SANITARY SEWER
AGRICULTURAL/ FORESTAL DISTRICT: NONE
LIGHTING:
SEE LIGHTING PLAN PROVIDED WITH THIS SITE PLAN AMENDMENT. LIGHTING
SHALL CONFORM TO ALBEMARLE COUNTY LIGHTING AND DARK SKY ORDINANCE.
LANDSCAPING:
A LANDSCAPING PLAN AS SHOWN HAS BEEN DESIGNED IN ACCORDANCE WITH
ALBEMARLE COUNTY ORDINANCE SECTION 32.7.9.
TRASH RECEPTACLES:
EACH OF THE (3) BUILDINGS SHALL HAVE INTERNAL TRASH BINS WITH A PRIVATE
TRASH SERVICE FOR COLLECTION.
PHASING:
THIS SITE SHALL BE DEVELOPED IN THREE PHASES, SEE PHASING PLAN SHEET 3.
PHASE I - BUILDING II
PHASE II - BUILDING IV
PHASE III - BUILDING VI
PARKING:
PARKING REQUIRED:
(2) SPACES PER RESIDENTIAL UNIT (ASSIGNED PARKING) + 1 SP/ 4 UNITS
FOR GUEST PARKING
1. (30) EXISTING RESIDENTIAL UNITS = 60 REQUIRED PARKING SPACES
2.(42) PROPOSED RESIDENTIAL UNITS = 84 REQUIRED PARKING SPACES
3. GUEST PARKING REQUIRED = 72 UNITS x 1 SP/4 UNITS = 18 SPACES REQUIRED
3. COMMERCIAL OFFICE BUILDING/HOUSE = 4 SPACES REQUIRED
TOTAL PARKING REQUIRED = 166 SPACES
PARKING PROVIDED:
1. GARAGE PARKING SPACES = 147 SPACES
20 GARAGE SPACES PER BUILDING (PAVILION I, III, & V) = 60 SPACES
29 GARAGE SPACES PER BUILDING (PAVILION II, IV, & VI) = 87 SPACES
(INC. 6 HAND. PARKING SPACES, PLUS (2) LOADING SPACES 12'x25')
2. ONSTREET PARALLEL PARKING SPACES = 26 SPACES
TOTAL PARKING PROVIDED = 173 SPACES + (2) LOADING SPACES
STREAM BUFFERS/FLOODPLAIN:
NOT APPLICABLE WITH THIS SITE PLAN AMENDMENT
RETAINING WALLS:
(1) RETAINING WALL IS PROPOSED WITH THIS PLAN AMENDMENT, SEE GRADING
SHEET FOR INFORMATION.
RECREATION:
NOT APPLICABLE WITH THIS SITE PLAN AMENDMENT
LAND AREA (WITHIN 1.98 AC. LOD):
PARKING AND TRAVELWAYS 0.30 AC. (15.2%)
BUILDINGS: 0.81 AC. (40.9%)
SIDEWALKS: 0.02 AC. ( 1.0%)
TOTAL IMPERVIOUS AREA: 1.13 AC.
LAWN/OPEN SPACE AREA: 0.85 AC. (42.9%)
PAVED PARKING AND CIRCULATION
AREA: 12,875 SF
CRITICAL SLOPES:
SEE EXISTING CONDITIONS FOR THE LOCATION OF THE MANAGED SLOPES ON THE
PROPERTY.
BURIAL SITES:
NO CEMETERIES WERE FOUND DURING FIELD INVESTIGATION OF THE SITE
WITHIN THE LIMITS OF THE PROJECT AREA.
STORMWATER MANAGEMENT: A DRY STORMWATER MANAGEMENT DETENTION CELL AND DRY SWALES SHALL
BE CONSTRUCTED AS SHOWN ON THE GRADING AND DRAINAGE PLAN.
ADDITIONAL WATER QUALITY NUTRIENT CREDITS SHALL BE PURCHASED TO
ACHIEVE THE NECESSARY REMOVAL RATES FOR THE DEVELOPMENT.
CAVE: 1" = 50
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(WP0202000055)
SAMUEL MILLER DISTRICT
ALBEMARLE COUNTY, VIRGINIA
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SPECIAL PERMIT CONDITIONS O o_
1. THE APPROVED FINAL SITE PLAN SHALL BE IN GENERAL ACCORD WITH THE CONCEPTUAL PLAN (JANUARY 10, 2003 REVISION)
(THE "CONCEPTUAL PLAN") AND SPECIAL PERMIT JUSTIFICATION DATED APRIL 22, 2002. MODIFICATIONS TO THE DESIGN OF THE
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INTERIOR LOOP ROAD, APPROVED BY THE DIRECTOR OF ENGINEERING AND PUBLIC WORKS TO ACCOMMODATE FIRE TRUCKS,
\ SHALL BE DEEMED TO BE IN GENERAL ACCORD WITH THE CONCEPTUAL PLAN.
2. AS SHOWN ON THE CONCEPTUAL PLAN, NO NEW STRUCTURES SHALL BE LOCATED IN THE FRONT (SOUTHERN) PORTION OF THE \ LuPROPERTY. THERE SHALL BE A MINIMUM DISTANCE OF TWO HUNDRED FIFTEEN (215) FEET BETWEEN THE SOUTHERN -MOST
STRUCTURE AND THE FRONT (SOUTHERN) PROPERTY LINE. /y
3. THE ENTRANCE ROAD SHOWN ON THE CONCEPTUAL PLAN SHALL BE CONSTRUCTED BY THE APPLICANT TO AN URBAN ROAD
STANDARD FROM ITS JUNCTION WITH ROUTE 250 WEST TO THE INTERIOR LOOP, AND SHALL INCLUDE A SIDEWALK OR OTHER
O6O APPROPRIATE PEDESTRIAN PATH, CONSTRUCTED TO A STANDARD ACCEPTABLE TO THE DEPARTMENTS OF PLANNING AND
COMMUNITY DEVELOPMENT AND ENGINEERING AND PUBLIC WORKS, ALONG ONE SIDE CONNECTING THE INTERIOR LOOP TO THE
/6\ PUBLIC SIDEWALK AT IVY ROAD.
0/� 4. ALL ROADS ON THE PROPERTY CONNECTING TO ADJACENT PROPERTIES AS SHOWN ON THE CONCEPTUAL PLAN SHALL BE
0 \ CONSTRUCTED BY THE APPLICANT TO AN URBAN SECTION STANDARD, WITH A MINIMUM WIDTH OF TWENTY (20) FEET, FINAL
WIDTH TO BE DETERMINED AT THE TIME OF FINAL SITE PLAN APPROVAL BY THE DIRECTOR OF ENGINEERING AND PUBLIC WORKS.
ALL ROADS CONNECTING TO ADJACENT PROPERTIES SHALL INCLUDE A SIDEWALK OR OTHER APPROPRIATE PEDESTRIAN PATH
iCOTT/R. Cb-LLINS�Z
Lic. No. 035791.n
5/24/21 z
�'SIONAL E��'1
�6- ALONG ONE SIDE, CONSTRUCTED TO A STANDARD ACCEPTABLE TO THE DEPARTMENTS OF PLANNING AND ENGINEERING AND
fob PUBLIC WORKS, PROVIDING A CONNECTION TO THE PUBLIC SIDEWALK 0 tD N N
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S. AN ACCESS EASEMENT HAS BEEN DEDICATED ON THE SUBJECT PROPERTY FOR TRAFFIC FROM THE N/F KAPPA SIGMA PROPERTY
(TAX MAP 60, PARCELS 27 AND 27B, DB 2226-218, 225 PLAT & DB 2706-163, 168 & 169 PLAT). THIS ACCESS SHALL BE
CONSTRUCTED BY THE APPLICANT TO THE SAME STANDARD AS REQUIRED IN CONDITION 4.
6. A CONSOLIDATED ENTRANCE WILL BE LOCATED TO THE WEST OF THE WHITE GABLES PROPERTY ON THE N/F KAPPA SIGMA
\
PROPERTY (TAX MAP 60, PARCELS 27 AND 27B) AN ACCESS EASEMENT HAS BEEN DEDICATED TO CONNECT THE LEGAL RESEARCH
\
GROUP PROPERTY (TAX MAP 50, PARCEL 25) TO THIS CONSOLIDATED ENTRANCE (DB 2226-218, 225 PLAT & DB 2706-163, 168 & 169
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PLAT). )THE SEGMENT OF THE ACCESSWAY TO CONNECT THE WHITE GABLES PROPERTY TO THE LEGAL RESEARCH GROUP PROPERTY
HAS BEEN CONSTRUCTED WITH THE PHASE II WHITE GABLES SITE PLAN. THE APPLICANT WILL CONTINUE TO WORK THE VIRGINIA
DEPARTMENT OF TRANSPORTATION (VDOT) AND THE COUNTY'S DIRECTOR OF ENGINEERING TO PHASE THE CONSTRUCTION OF THE
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RIGHT IN/RIGHT OUT ENTRANCE/EXIT ON THE WHITE GABLES PROPERTY TO REPLACE THE EXISTING ENTRANCE ONCE THE SAID
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CONSOLIDATED ENTRANCE IS CONSTRUCTED.
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7. WITHIN EACH PAVILION SHOWN ON THE CONCEPTUAL PLAN, THE LARGEST CONDOMINIUM UNIT SHALL BE AT LEAST THIRTY
(30) PERCENT LARGER, BASED ON FLOOR AREA, THAN THE SMALLEST UNIT WITHIN THE SAME PAVILION.
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8. THE APPLICANT SHALL COMPLY WITH ALL REQUIREMENTS OF THE VDOT RELATED TO DESIGN AND CONSTRUCTION OF THE
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ENTRANCE TO THE PROPERTY, AS OUTLINED IN ITS LETTER OF JANUARY 28, 2003 (ATTACHMENT H). THE APPLICANT SHALL BE
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RESPONSIBLE FOR THE COST OF A TRAFFIC SIGNAL AND ITS INSTALLATION (THE "SIGNAL") AT THE INTERSECTION OF ROUTE 250
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WEST AND AN ACCESS POINT SERVING THE PROPERTY APPROVED BY VDOT AND THE COUNTY'S DIRECTOR OF ENGINEERING, AS
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PROVIDED IN THIS CONDITION. UNLESS THE SIGNAL ALREADY HAS BEEN INSTALLED, THE APPLICANT SHALL PAY TO THE COUNTY
THE COST OF THE SIGNAL AS FOLLOWS:
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8A. PRIOR TO THE ISSUANCE OF A BUILDING PERMIT FOR THE FOURTH PAVILION, THE APPLICANT SHALL PLACE FUNDS IN
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ESCROW OR PROVIDE OTHER SECURITY ("SECURITY") ACCEPTABLE TO THE COUNTY IN AN AMOUNT EQUAL TO THE
COST OF THE SIGNAL (CURRENTLY ESTIMATED TO BE $140,000), WHICH AMOUNT SHALL BE CALCULATED IN THE YEAR IN
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WHICH THE SECURITY IS PROVIDED. THE SECURITY SHALL CONTINUE SO THAT IT IS AVAILABLE TO PAY
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FOR THE COST OF THE SIGNAL UNTIL TEN (10) YEARS AFTER THE DATE OF APPROVAL OF THIS SPECIAL USE PERMIT; SECURITY
PROVIDED THAT IS NOT IN AN INTEREST -BEARING ACCOUNT SHALL BE ANNUALLY RENEWED, AND THE
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AMOUNT OF THE SECURITY SHALL BE ADJUSTED EACH YEAR ACCORDING TO THE CONSUMER PRICE INDEX;
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8B. IF, AT ANY TIME UNTIL TEN (10) YEARS AFTER THE DATE OF APPROVAL OF THIS SPECIAL USE PERMIT, VDOT AUTHORIZES IN
WRITING THE INSTALLATION OF THE SIGNAL, AND VDOT AND THE COUNTY'S DIRECTOR OF ENGINEERING
APPROVE THE SIGNAL'S INSTALLATION BEFORE THE APPLICANT HAS OBTAINED A BUILDING PERMIT FOR THE FOURTH
PAVILION, THE COUNTY MAY DEMAND PAYMENT OF THE COST OF THE TRAFFIC SIGNAL, AND THE APPLICANT SHALL
PAY THE COST TO THE COUNTY WITHIN THIRTY (30) DAYS; AND
8C. THE COUNTY MAY APPLY THE APPLICANT'S SECURITY TO CONSTRUCTION OF THE ACCESS ROAD OR OTHER ELEMENTS OF THE
FUTURE TRANSPORTATION IMPROVEMENT PROJECT OTHER THAN THE TRAFFIC SIGNAL.
9. THE APPLICANT SHALL PROVIDE BICYCLE FACILITIES AND WALKWAYS IN CONJUNCTION WITH ROAD IMPROVEMENTS TO IVY
ROAD AS REQUIRED BY VDOT AND THE DEPARTMENT OF ENGINEERING AND PUBLIC WORKS IN CONJUNCTION WITH PRELIMINARY
SUBDIVISION/SITE PLAN APPROVAL.
EXISTING CULVERT
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DROP INLET & STRUCTURE NO.
CURB
CURB & GUTTER
PROPOSED ASPHALT
PROPOSED CONCRETE
PROPOSED PAVER (IMPERVIOUS)
BENCH MARK
T
VDOT STANDARD STOP SIGN
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EXISTING CONTOUR
SHEET INDEX
TITLE SHEET
COVER
1
EXISTING CONDITIONS
2
EROSION & SEDIMENT CONTROL NARRATIVE
3
EROSION & SEDIMENT CONTROL DETAILS
4
EROSION & SEDIMENT CONTROL PLAN AND CALCULATIONS - PHASE I
5
EROSION & SEDIMENT CONTROL PLAN AND CALCULATIONS - PHASE II
6
EROSION & SEDIMENT CONTROL PLAN AND CALCULATIONS - PHASE III
7
EROSION & SEDIMENT CONTROL PLAN AND CALCULATIONS - PHASE IV
8
STORMWATER MANAGEMENT PLAN
9
STORMWATER MANAGEMENT DETAILS
10
STORMWATER MANAGEMENT DETAILS
11
DETAILED GRADING PLAN
12
TOTAL SHEETS
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JOB NO.
202187
SCALE
AS NOTED
SHEET NO.
KENRIDGE HOMEOWNERS
CARLTHE HOWARD FAMILY TRUST VALENTINE, HANNON RUTTER MICHAEL & ASSOCIATION ZONING: CO COMMERCIAL OFFICE
NING: CO COMMERCIAL OFF] E VALENTINEZONING: CO TAX MAP 60K PARCEL B1
TAX MAP 60K PARCEL 6 COMMERCIAL OFFICE USE: STORMWATER MANAGEMENT
PITiS, P MURRY ZONING: CO COMMERCIAL FFlCE USE: RESIDENTIAL TAX MAP 60K PARCEL 1
SULLIVAN, PAUL FRANCIS TAX MAP 60K PARCEL USE: RESIDENTIAL
TRUSTEE & ANNE MARIE USE: RESIDENTIAL WARDS, ROBERT L OR KA EN
_ CARR, HOWARD M TRUSTEE
&, TRUSTEE ONING: CO COMMERCIAL CE
-- - - Z ING: CO COMMERCIAL OFF] TAX MAP 60K PARCEL 1
604 TAX MAP 60K PARCEL 2 ONING: CO COMMERCIAL OF ICE S IDMORE, KAREN L 2017 UST USE: RESIDENTIAL
LUAM C WEATHERSBY & USE: RESIDENTIAL TAX MAP 60K PARCEL 4 Z NING: CO COMMERCIAL 0 ICE
f 604 CHARLOTTE F DANIEL, THOMAS M, TRUS E USE: RESIDENTIAL A NE, JAMES III & ALICE REN TAX MAP 60K PARCEL
ING: CO COMMERCIAL OFFl U/T THOMAS DANIEL TR MALONE C APIN, PETER, TR OF THE USE: RESIDENTIAL
TAX MAP 60K PARCEL 1 ING: CO COMMERCIAL 0 ICE ZO ING: CO COMMERCIAL OFFIC PE R CHAPIN TRUST & DIANE
so3 TAX MAP 60K PARCEL TAX MAP 60K PARCEL 5 CHA IN, TR OF THE DIANE CHA
boa USE: RESIDENTIAL USE: RESIDENTIAL USE: RESIDENTIAL ZONI G: CO COMMERCIAL OFFIC
-" USE: RESIDENTIAL
602 602
i
KENRIDGE HOA, INC
\ \ 6oi 6\7 \ 1 ZONING: CO COMMERCIAL OFFICE
TAX MAP 60K PARCEL Al i
USE: OPEN SPACE
823.40' N17°25'22"E 1.09'
398.34 / FROM CORNER
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v � 1 I 425.06'
f I 6ss / 20'SEWER EAS NT
(D.B.2660-22 &
TMP 60-26C PAVILION III
PAVILION I
T I 1130' & VARIAB o PAVILION V EXISTING EXISTING I
I I I AICESSiEASEMEN EXISTING CONDOMINIUM CONDOMINIUM I BI 2706 P. _
CONDOMINIUM
DB 2660j P.224(plat a,
I I tat o.6 ACRES
/ I _ S>� � i i � (P �i 3 2.85o ACRES
I TMP 60-26 20'& VARIABLE WIDTH '
o.86 ACRES - VEPCO EASEMENT I
\ � 20' WATERLINE (D.B.2561-704)
EASEMENT; TYP.
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£ FFlIp(� I I III \ \\\� �' /' \ / TRUSTEE JOHN STEWART I SYCAM TMP 60-26A 20• SE ER ESMT.I
14" �s % . .. I EXISTING DARRELL TRUST 30" EXISTING
PINE W I 1 >> . z MANOR HOUSE 0.18 ACRES SPRUCE/CED I I ✓/DB 1896 P.237(plo0 SWM
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- C y / I VIRGGO ELECTRIC &
' ��P OF U LI VEPCO EASEMENT / POWER CO PANY EASEMENT
f�i / 20 WATER INE EASEMENT \ ` 1 ^ I D.B.2561-704) I
o I _} AC AfIES; 2 B. 05 -532) Vvv�� y SPRUCE - I _ - 1 SONS--sos.76_ (D.6262-464)
� \ / j \MIN.
36"
v aD SPRUC \ \ \ \ 27" DBLR ^�
REMAIN I i8 ACRE \ MAPLE CEDA - /
\TO, of E ( 1 ao wavaTe access S LAME �\ M" 3
J \ EXISTING TREE
G \ - - - - _ _ E"r s IrOP-ssoae' 20'GRADING & FFER
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y� SETBACK CTI - I
(D.B.1 896-238 LAT)
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EAS MENT; tYP. \\o ` C6 \ L3 §� \fASE^fror DB 1896 P.23 (plat)
z 01 DB 738 P. 34 (plot)
SAN. MH A-2
I f ` 13 °'� EXISTING WATERLINE �' / '
v AND FIRE HYDRANT - ' / TOP=sso.16'
1 � ` / I I / /EXISTING SANITARY ' // / � irNivout saso4'
< I EXISTING TREES TO , - ' EXISTING ASPHALT - - - - TO REMAIN_ _
O - 'TO REMAIN /
' TRAVELWAY / - - - r
_ PROJECT LIMITS , ' - ' EXISTING - 0I
/
•48� � � � BE REMOVED i �' � I/ /l // i - - - � I f i
ASH \ z 20'& VARIABLE -WIDTH _ - / STOCKPILE - O SETBACK AREA
{ a C10 \ / VEPCO-EASEMENT '
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' rp 95 EXISTING SAN. SEWER /
TMP 60 26 t� WHITE GABLES CHARLOTTESVILLE LC EASEMENT TO BE VACATED
6 C11 C/o ROBINSON DEV GROUP INC
z I ro '282 ACRE s 3.438 ACRES
/ ' EXISTING
I r rn 30' DB.2660, PG.218 /
w 18 MAGNOLIA - - MANA EDALBEMARLE EbPNTYPES SEDIMENT '/ / -% O
4 TRAP
II INE � r ,; � � � G S S O S�� Vv �/ /i/ � /� �, THE CHESAPEAKE & OHIO
v AG LIA '
- / RAILWAY COMPANY
30.01' 36 /
I I D DAR O L (T _-/
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8 517.21' / 'A , Y > _ \ o Qj
D.B. 169-593, 594 PLAT
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IRON - OHE - OHE � ' OHE'7 HE oQ
I FOUND - - - - -/
I � -
EXISTING
EXISTING STAGGERED ROW OFFICE BUILDING
OF EVERGREEN TREES ON ADJACENT
PROPERTY
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LINE
BEARING
DISTANCE
L1
S27°55'55"W
39.42
L2
S19.21'00"W
43.17
L3
S23'17'1 YIN
104.15
L4
S69°52'46"E
22.89
L5
S58°37'51 "E
20.89
L6
S68'44'25"E
25.39
L7
S23'17'1 YIN
35.70
LINE
DELTA
RADIUS
ARC
TANGENT
CHORD
CHORD BEARING
C1
133'31'54"
75.00
174.79
174.70
137.84
S27°15'34"E
C2
11`34'21"
320.00
64.63
32.43
64.52
S33`43'12"W
C3
8'34'55"
85.00
12.73
6.38
12.72
S23`38'28"W
C4
32°3536"
35.00
19.91
10.23
19.64
S03'03'12"W
C5
36°31'49"
75.00
47.82
24.75
47.01
S05'01'18"W
C6
79'08'18"
105.00
145.03
86.77
133.77
S62°51'22"W
C7
105'34'32"
17.00
31.32
22.39
27.08
S49`38'15"W
C8
26'38'14"
185.00
86.01
43.80
85.24
S16'28'08"E
C9
74°3535"
22.00
28.64
16.76
26.66
S67°05'03"E
C10
38°41'37"
215.00
145.20
75.49
142.45
S85'02'02"E
C11
35'37'43"
185.00
115.04
59.45
113.20
N83`18'06"W
C12
88°56'07"
22.00
34.15
21.59
30.82
S34`24'59"W
C13
28°26'26"
138.00
68.50
34.97
67.80
SO4.10'08"W
C14
22°54'25"
125.00
49.98
25.33
49.64
N08°22'13"E
C15
17'52'58"
22.00
6.87
3.46
6.84
N12°01'28"W
C16
69'50'57"
215.00
262.11
150.12
246.17
N1013'24"E
C17
34°49'09"
110.00
66.85
34.49
65.82
N27`44'17"E
C18
3'26'31"
221.00
13.28
6.64
13.27
N12'02'58"E
C19
11'51'25"
1952.90
404.14
202.79
403.42
S50'02'18"E
C20
84°09'50"
75.00
110.17
67.72
100.53
S65'22'07"W
C21
91'30'26"
17.00
27.15
17.45
24.36
N26`47'45"W
C22
26.11'25"
185.00
84.57
43.03
83.83
N32.03'11"E
C23
5-27'50"
1 140.00
1 13.35
1 6.68
13.35
N42`24'56"E
T.M. 60 - 25
ROSSER ASSOCIATES _ ' SAN.MH. A-1
D.B. 1083-50
D.B. 635-308 PLAT
USE: OFFICE - - -
ZONING: CO ' /-
COMMERCIAL OFFICE
/
GRAPHIC SCALE
30 0 15 30 60
( IN FEET )
1 inch = 30 ft.
12'.,
SCOTT/R. 05LLINS'Z
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JOB NO.
202187
SCALE
1"=30'
SHEET NO.
2
1992
EROSION & SEDIMENT CONTROL MEASURES:
STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE IN ACCORDANCE WITH THE ORGINIA EROSION AND SEDIMENT
CONTROL HANDBOOK. STRUCTURAL PRACTICES USED IN THIS SECTION CONSIST OF THE FOLLOWING.
3.01 SAFETY FENCE. -
A PR07EC77VE 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 POTENTIAL ACCESS BY 774E PUBLIC.
3.02 CONSTRUC77ON ENTRANCE,
A STABILIZED PAVED CONSTRUCTION ENTRANCE WITH A WASH RACK LOCATED AT POINTS OF VEHICULAR INGRESS AND EGRESS ON A
CONS7RUC77ON SITE. TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF.
CONS7RUC77ON ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC
ROADWAYS.
3.05 SILT FENCE.-
A TEMPORARY SEDIMENT BARRIER CONSIS77NG OF A SYNTHETIC FILTER FABRIC STRETCHED ACROSS AND ATTACHED TO SUPPOR77NG POSTS AND
ENTRENCHED, TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION OPERATIONS 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 WW7H MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF
FROM SHEET FLOW AS INDICATED. THEY SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED /N ACCORDANCE WITH 7HE
VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK (VESCH).
3.07 STORM DRAIN INLET PR07EC770N:
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 STABILIZA77ON OF THE DISTURBED AREA. INLET PROTEC77ON APPLIES WHERE
STORM DRAIN INLETS ARE TO BE MADE OPERATIONAL BEFORE PERMANENT STAB/L/ZA77ON OF THE CORRESPONDING DISTURBED DRAINAGE AREA.
3.08 CULVERT INLET PR07EC770N.
A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM CULVERT. TO PREVENT SEDIMENT FROM ENTERING STORM
CULVERTS PRIOR TO PERMANENT STABILIZA7ON OF THE DISTURBED AREA. INLET PROTEC77ON APPLIES WHERE STORM CULVERTS ARE EXISTING
OR TO BE MADE OPERATIONAL BEFORE PERMANENT STABILIZATION OF THE CORRESPONDING DRAINAGE AREA.
3.09 TEMPORARY DIVERSION DIKE. -
A TEMPORARY RIDGE OF COMPACTED SOIL CONSTRUCTED 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 PROTECT DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT ON SITE
DURING CONSTTUC770N. THESE STRUCTURES GENERALLY HAVE A LIFE EXPECTANCY OF 18 MONTHS OR LESS, WHICH CAN BE PROLONGED WITH
PROPER MAINTENANCE.
3.12 DI VERSION:
A CHANNEL CONSTRUCTED ACROSS A SLOPE WITH A SUPPOR77NG EARTHEN RIDGE ON THE LOWER SIDE. TO REDUCE SLOPE LENGTH AND TO
INTERCEPT AND DIVERT STORMWATER RUNOFF TO STABILIZED OUTLETS AT NON -EROSIVE VELOCITIES. APPLIES WHERE RUNOFF FROM AREAS OF
HIGHER ELEVATION MAY DAMAGE PROPERTY, CAUSE EROSION, OR INTERFERE WITH THE ESTABLISHMENT OF VEGETA77ON ON LOWER AREAS
WHERE SURFACE AND/OR SHALLOW SUBSURFACE FLOW IS DAMAGING SLOPING UPLAND, AND WHERE THE SLOPE LENGTH NEEDS TO BE REDUCED
TO MINIMIZE SOIL LOSS.
3.13 TEMPORARY SEDIMENT TRAP:
A TEMPORARY PONDING AREA FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A STONE OUTLET. TO DETAIN SEDIMENT -LADEN
RUNOFF FROM SMALL DISTURBED AREAS LONG ENOUGH TO ALLOW THE MAJORITY OF THE SEDIMENT TO SETTLE OUT. USE BELOW DIS77JRBED
AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS LESS THAN 3 ACRES, WHERE THE SEDIMENT TRAP WILL BE USED NO LONGER THAN
18 MONTHS, AND IT MAY BE CONSTRUCTED EITHER INDEPENDENTLY OR IN CONJUNCTION WITH A TEMPORARY DIVERSION DIKE.
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 DETAIL 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 CONTRIBU77NG
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 OTHER ACCEPTABLE ENERGY DISSIPATING DEVICES PLACED AT 7HE OUTLETS OF PIPES OR PAVED CHANNEL
SECTIONS. TO PREVENT SCOUR AT STORMWATER OUTLETS, TO PR07ECT THE OUTLET STRUCTURE, AND TO MINIMIZE THE POTEN77AL 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 CONCENTRATED RUNOFF WHILE ENHANCING
THE POTENTIAL 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 THAT
THE SOIL MAY ERODE UNDER THE DESIGN FLOW CONDl77ONS.
3.20 ROCK CHECK DAMS.
SMALL TEMPORARY STONE DAMS CONSTRUCTED ACROSS A SWALE OR DRAINAGE DITCH. TO REDUCE THE VELOCITY OF CONCENTRATED
STORMWATER FLOWS, THEREBY REDUCING EROSION OF THE SWALE OR DITCH. 77-1/S PRAC77CE ALSO TRAPS SEDIMENT GENERATED FROM
ADJACENT AREAS OR THE DITCH ITSELF, MAINLY BY PONDING OF THE STORMWATER RUNOFF. THIS PRAC77CE, U77LIZING A COMBINA77ON OF
STONE SIZES, IS LIM17ED TO USE IN SMALL OPEN CHANNELS WHICH DRAIN 10 ACRES OR LESS.
3.31 TEMPORARY SEEDING.
7HE ESTABLISHMENT OF A TEMPORARY VEGETA77VE COVER ON DISTURBED AREAS BY SEEDING WI7H APPROPRIATE RAPIDLY GROWING ANNUAL
PLANTS. TO REDUCE EROSION AND SEDIMENTA77ON 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 UN77L PERMANENT VEGETA77ON OR OTHER EROSION CONTROL MEASURES CAN BE
ESTABLISHED.
3.32 PERMANENT STABILIZATION.-
7HE ESTABLISHMENT OF PERENNIAL VEGETA77VE COVER ON DISTURBED AREAS BY PLAN77NG SEED. TO REDUCE EROSION AND DECREASE
SEDIMENT YIELD FROM DISTURBED AREAS TO PERMANENTLY STABILIZE DISTURBED AREAS /N A MANNER THAT /S ECONOMICAL, ADAPTABLE TO
S17E CONDITIONS, AND ALLOWS SELEC77ON OF THE MOST APPROPRIATE PLANT MATERIALS. TO IMPROVE WILDLIFE HABITAT. TO ENHANCE
NATURAL BEAUTY. UPON COMPLE77ON OF CONSTRUCTION AC77W77ES, ALL AREAS WILL RECEIVE A PERMANENT VEGETA77VE COVER.
3.35 MULCHING.-
APPLICA77ON OF PLANT RESIDUES OR 07HER SUITABLE MATERIALS TO THE SOIL SURFACE. TO PREVENT EROSION BY PROTEC77NG THE SOIL
SURFACE FROM RAINDROP IMPACT AND REDUCING 7HE VELOCITY OF OVERLAND FLOW. TO FOSTER THE GROWTH OF VEGETA77ON BY INCREASING
AVAILABLE MOISTURE AND PROVIDING INSULA77ON AGAINST EXTREME HEAT AND COLD. AREAS WHICH HAVE BEEN PERMANENTLY SEEDED
SHOULD BE MULCHED IMMEDIATELY FOLLOWING SEEDING. AREAS WHICH CANNOT BE SEEDED BECAUSE OF 7HE SEASON SHOULD BE MULCHED
USING ORGANIC MULCH. MULCH MAY BE USED TOGETHER WITH PLAN77NGS OF TREES, SHRUBS, OR CERTAIN GROUND COVERS WHICH DO NOT
PROVIDE ADEQUATE SOIL STABILIZATON BY THEMSELVES, CAN BE USED IN CON✓UNC77ON WITH TEMPORARY SEEDING.
3.37 TREES. SHRUBS VINES & GROUND COVERS:
STABILIZING DISTURBED AREAS BY ESTABLISHING VEGETA77VE COVER WITH TREES SHRUBS VINES OR GROUND COVERS. TO AID IN STABILIZING
SOIL IN AREAS WHERE VEGETA77ON OVER THAN TURF IS PREFERRED, TO PROVIDE FOOD AND SHELTER FOR WILDLIFE WHERE WILDLIFE HABITAT IS
DESIRABLE. APPLIES IN AREAS WHERE TURF ESTABLISHMENT 1S DIFFICULT ON STEEP OR ROCKY SLOPES WHERE MOWMNG 1S NOT FEASIBLE
WHERE ORNAMENTALS ARE DESIRABLE FOR LANDSCAPING PURPOSES AND WHERE WOODY PLANTS ARE DESIRABLE FOR SOIL CONSERV4770N OR
TO ESTABLISH WILDLIFE HABITAT.
3.36 BLANKET MAT77NG.-
INSTALLA77ON OF A PR07EC77VE COVERING OR A SOIL STABILIZATION MAT ON A PREPARED PLANTING AREA OF A STEEP SLOPE OR CHANNEL TO
AID 1N 774E CONTROLLING EROSION ON CRI77CAL AREAS.
3.38 TREE PRESERVA77ON AND PROTECRON.-
PR07EC77ON OF DESIRABLE TREES FROM MECHANICAL OR 07HER INJURY DURING LAND DISTURBING AND CONSTRUC77ON AC77WTY. TO ENSURE
7HE SURVIVAL OF DESIRABLE TREES WHERE 7HEY WILL BE EFFEC77VE FOR EROSION AND SEDIMENT CONTROL WATERSHED PROTECTION
LANDSCAPE BEAU77FICA770N, DUST AND POLLUTION CONTROL, NOISE REDUCTION, SHADE AND OTHER ENVIRONMENTAL BENEFITS WHILE THE LAND
1S BEING CONVERTED FROM FOREST TO URBAN -TYPE USES. APPLIES 1N 7REE-INHAB17ED AREAS SUBJECT TO LAND DISTURBING AC771,177ES.
3.39 DUST CONTROL:
REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING DEMOL177ON AND CONSTRUCTION AC77V477ES. 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. DUST CONTROL MEASURES SHALL BE EMPLOYED TO
PREVENT SURFACE AND AIR MOVEMENT OF DUST DURING CONSTRUC770N. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WI7H THE VESCH.
3.32
TABLE 332-D
SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT AREA
Total lbs.
Per Acre
Minimum Care Lawn
- Commercial or Residential
175.200 lbs.
- Kentucky 31 or Turf -Type Tall Fescue
95-100%
- Improved Perennial Ryegrass
0-5%
- Kentucky Bluegrass
0-5%D
High -Maintenance lawn
200-250lbs.
- Kentucky 31 or Turf -Type Tall Fescue
100%D
General Slope (3:1 or less)
- Kentucky 31 Fescue
128 lbs.
- Red Top Grass
2 lbs.
- Seasonal Nurse Crop*
20 lbs,
150 lbs.
Low -Maintenance Slope (Steeper than 3:1)
- Kentucky 31 Fescue
108 lbs.
- Red Top Grass
2 lbs.
. Seasonal Nurse Crop .
20 lbs.
- Crownvetch et
20 lbs.
150 lbs.
' Use seasonal nurse crop in accordance with seeding dates as stated below:
February 16th through April ......................
Annual Rye
May 1st through August 15th .....................
Foxtail Millet
August 16th through October ......................
Annual Rye
November through February 15th ...................
Winter Rye
'• Substitute Sericea lespedeza for Crownvetch east of Farmville, Va. (May
through September use hulled Sericea, all other periods, use unhulled Sericea).
If Flatpea is used in lieu of Crownvetch, increase rate to 30 lbs./acre. All legume
seed must be properly inoculated. Weeping L.ovegrass may be added to any slope
or low -maintenance mix during warmer seeding periods; add 10.20 lbs./acre in
mixes.
TABLE 331-A
LIMING REQUIREMENTS
FOR TEMPORARY SITES
Recommended Application
pH Teat ofAerialtural Limestone
below 4.2 3 tors per acre
41 to 5.2 2 torts per acre
51 w 6 1 ton per ave
TABLE "1-B
ACCEPTABIE TEMPORARY SEEDING PLANT MATERIA1,S
'QUICK REFERENCE FOR ALL REGIONS'
wry
Plamrne Dams S.9i Rbc/.)
Sept 1 - Feb. 15 50/50 Mu a
Anm,sl R,,.
(Ulm multi-fiI
& So-100
Cera1(Wl w) Rye
(kol onaw
Peb. 16-Apr. 30 Amlual Ryeg w-im
(rnm.m mm6-nm„mt
May 1- Aug 31 German Millet 50
LSClaru imllaal
GENERAL SLOPE (3:1 OR LESS) TOTAL LBS 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
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.
PERMANENT SEEDING SCHEDULE PS
NO SCALE
(STD. & SPEC. 3.32 OF VIRGINIA EROSION &
SEDIMENT CONTROL HANDBOOK, 3RD ED.)
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 REGULATIONS VR
625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS.
ES-2. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE
PRE-CONSTRUCT70N CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT
OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL
INSPECTION.
ES-J.-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
SEDIMENTAT70N 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
SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED.
ES-B.-DURING DEWATERING 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 EFFECTIVENESS OF THE
EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY.
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.
P ,
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 liance with section 13-301 of the Code of
P
Albemarle.
14. Borrow, fill or waste activity involving industrial -type power equipment shall be limited to
the hours of 7:00am to 9:00pm.
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 o slides, sinking, or collapse.
16. The developer shall reserve the ri ht to install maintain remove or convert to permanent
Pe g
stormwater 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.
17. Temporary rystabilization shall be temporary seeding and mulching. Seedin 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 801bs/lOOsf.
Alternative, are subject to approved b the Count erosion control inspector.
M PPr Y Y P
18. 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 95%D Kentucky 31 or
Tall Fescue and 0-5% Perennial Ryegrass or Kentucky Bluegrass. Straw mulch is to be
applied at SOlbs/100sf. Alternatives are subject to roved b the Count erosion control
PP J approved Y Y
inspector.
19. Maintenance: All measures are to be inspected weekly and after each rainfall. Any damage
or clogging to structural measures is to he 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 Protection 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 Protection Ordinance section 17-
207B)
TEMPORARY SEEDING.
ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TIME SHALL BE SEEDED WITH FAST GERMINATING
TEMPORARY VEGETATION IMMEDIATELY FOLLOWING GRADING. SELECTION OF THE SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR
AND WILL BE APPLIED TO DISTURBED ARES THAT WILL NOT BE BROUGHT TO FINAL GRADE WITHIN 30 DAYS.
PLANTS SHOULD BE SELECTED APPROPRIATE TO THE SEASON AND SITE CONDITIONS FROM TABLES 3.31E AND 3.31C. NOTE THAT
TABLE 3.31E PRESENTS PLANTS WHICH CAN BE USED WITHOUT EXTENSIVE EVALUATION OF SITE CONDITIONS; TABLE 3.31C
PRESENTS MORE IN-DEPTH INFORMATION ON THE PLANT MATERIALS.
TO CONTROL EROSION ON BARE SOIL SURFACES, PLANTS MUST BE ABLE TO GERMINATE AND GROW. SEEDBED PREPARATION IS
ESSENTIAL.
AN EVALUATION SHOULD BE CONDUCTED TO DETERMINE IF LIME IS NECESSARY FOR TEMPORARY SEEDING. TABLE 3.31A MAY BE
USED TO DETERMINE THE ACTUAL NEED ALONG WITH SUGGESTED APPLICATION RATES:
FERTILIZER SHALL BE APPLIED AS 600 LBS/ACRE OF 10-20-10 (14 LBS/1,000 SO. FT.) OR EQUIVALENT NUTRIENTS. LIME AND
FERTILIZER SHALL BE INCORPORATED INTO THE TOP 2 TO 4 INCHES OF THE SOIL IF POSSIBLE.
IF THE AREA HAS BEEN RECENTLY LOOSENED OR DISTURBED, NO FURTHER ROUGHENING IS REQUIRED. WHEN THE AREA IS
COMPACTED, CRUSTED, OR HARDENED, THE SOIL SHALL BE LOOSENED BY DISCING, RAKING, HARROWING, OR OTHER ACCEPTABLE
MEANS. TRACKING WITH BULLDOZER CLEATS IS MOST EFFECTIVE ON SANDY SOILS. THIS PRACTICE OFTEN CAUSES UNDUE
COMPACTION OF THE SOIL SURFACE, ESPECIALLY IN CLAYEY SOILS, AND DOES NOT AID PLANT GROWTH AS EFFECTIVELY AS OTHER
METHODS OF SURFACE ROUGHENING.
SEED SHALL BE EVENLY APPLIED WITH A BROADCAST SEEDER, DRILL, CULTIPACKER SEEDER OR HYDROSEEDER. SMALL GRAINS
SHALL BE PLANTED NO MORE THAN liINCHES DEEP. SMALL SEEDS, SUCH AS KENTUCKY BLUEGRASS, SHOULD BE PLANTED NO
MORE THAN J INCH DEEP. OTHER GRASSES AND LEGUMES SHOULD BE PLANTED FROM }INCH TO } DEEP.
SEEDINGS MADE IN FALL FOR WINTER COVER AND DURING HOT AND DRY SUMMER MONTHS SHALL BE MULCHED ACCORDING TO
MULCHING, STD. & SPEC. 3.35, EXCEPT THAT HYDROMULCHES (FIBER MULCH) WILL NOT BE CONSIDERED ADEQUATE. STRAW MULCH
SHOULD BE USED DURING THESE PERIODS.
AREAS WHICH FAIL TO ESTABLISH VEGETATIVE COVER ADEQUATE TO PREVENT RILL EROSION WILL BE RE -SEEDED AS SOON AS
SUCH AREAS ARE IDENTIFIED.
DESCRIPTION OF EROSION & SEDIMENT
EROSION CONTROL NOTES & NARRATIVE
CONTROL MEASURES:
PURPOSE:
T
THE PURPOSE OF THIS LAND DISTURBING ACTIVITY IS TO GRADE THE SPRING HILL VILLAGE SITE FOR FUTURE DEVELOPMENT.
EROSION AND SEDIMENT CONTROL MEASURES:
THE TOTAL AREA TO BE DISTURBED WITH THIS PHASE OF DEVELOPMENT IS 2.10 ACRES.
IT IS ANTICIPATED TO USE CONSTRUCTION ENTRANCES, DIVERSION DIKES, EXISTING SEDIMENT BASINS, AND SILT FENCES
EXISTING SITE CONDITIONS:
WILL BE INSTALLED TO CONTROL SURFACE DRAINAGE. TEMPORARY SEEDING WILL BE USED IMMEDIATELY FOLLOWING ALL
PART OF THIS SITE HAS A WOODS GRASS COMBINATION AND SLOPES TO THE SOUTH-WEST. THE SITE IS LOCATED TO THE
LAND DISTURBANCE ACTIVITIES. TEMPORARY STOCKPILE AREAS WILL BE MAINTAINED FROM TOPSOIL THAT WILL BE
NORTH OF IVY ROAD (RTE 250). THE MAJORITY OF THE SITE DRAINS NORTH-EAST OF THE PROPERTY.
STRIPPED FROM AREAS TO BE GRADED AND STORED FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL BE ON SITE
ADJACENT AREAS:
AND SHALL BE STABILIZED WITH A TEMPORARY VEGETATIVE COVER. PERMANENT SEEDING WILL BE PERFORMED FOR ALL
THIS SITE IS BORDERED TO THE EAST BY AN EXISTING OFFICE BUILDING AND TO THE WEST BY EXISTING WHITE GABLES
AREAS WHICH WILL NO LONGER BE EXCAVATED AND WHERE CONSTRUCTION ACTIVITIES HAVE CEASED. PERMANENT
CONDOMINIUMS. THE CHESAPEAKE AND OHIO RAILROAD IS JUST NORTH OF THE SITE AND IVY ROAD (RTE 250) TO THE SOUTH
SEEDING SHALL ALSO BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR A YEAR OR MORE.
OF THE SITE.
OFFSITE LAND DISTURBANCE:
SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED.
IMPROVEMENTS TO BE MADE ON PRIVATE WHITE GABLES LANE INCLUDE REPAVING AND TWO (2) PARKING BAYS.
TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR MORE THAN
CRITICAL AREAS:
SEVEN DAYS. THESE AREAS SHALL BE SEEDED WITH FAST GERMINATING VEGETATION IMMEDIATELY FOLLOWING GRADING
TREE PROTECTION FENCING AND SILT FENCE SHALL BE MAINTAINED ALONG THE PROPERTY LINES TO THE EAST, NORTH, AND
OF THOSE AREAS. SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED.
SOUTH OF THE SITE TO PROTECT THE ADJACENT PROPERTIES AND ONSITE TREES.
CONSTRUCTION ENTRANCE:
SOILS:
A STABILIZED PAVED CONSTRUCTION ENTRANCE WITH A WASH RACK LOCATED AT POINTS OF VEHICULAR INGRESS AND
SOILS MAP IS INCORPORATED INTO EROSION CONTROL PLAN PHASE I WITH SOILS DATA INCLUDED WITH THIS NARRATIVE.
EGRESS ON A CONSTRUCTION SITE. TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO PAVED PUBLIC ROADS BY
SEQUENCE OF CONSTRUCTION:
MOTOR VEHICLES OR RUNOFF.
PHASE I (BUILDING PAVILION II):
CONSTRUCTION ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE AMOUNT SEDIMENT
1. NOTIFY ALBEMARLE COUNTY TO SCHEDULE A PRE -CONSTRUCTION MEETING AS REQUIRED.
TRANSPORTED ONTO PUBLIC ROADWAYS.
2. PRIOR TO DISTURBANCES, THE LIMITS OF DISTURBANCE SHALL BE FLAGGED AND THE TREE PROTECTION FENCING SHALL BE
SILT FENCE:
INSTALLED.
3. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT THE APPROVAL FROM
A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYNTHETIC FILTER FABRIC STRETCHED ACROSS AND ATTACHED TO
THE INSPECTOR ON THE PROJECT.
SUPPORTING POSTS AND ENTRENCHED. TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DISTURBED
4. THE PROPOSED CONSTRUCTION ENTRANCE WITH WASH AREAS SHALL BE INSTALLED AS SHOWN ON THE PLANS. THE
AREAS DURING CONSTRUCTION OPERATIONS IN ORDER TO PREVENT SEDIMENT FROM LEAVING THE SITE. TO DECREASE
CONSTRUCTION ENTRANCE TO BE INSTALLED WHERE CONSTRUCTION VEHICLE ROUTES INTERSECT PAVED PUBLIC ROADS,
THE VELOCITY OF SHEET FLOWS AND LOW -TO -MODERATE LEVEL CHANNEL FLOWS. THE SILT FENCE BARRIERS SHALL BE
PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING ONTO THE PAVED
INSTALLED DOWN SLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF FROM SHEET FLOW AS
SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PUBLIC ROAD SURFACE, THE ROAD SHALL BE CLEANED
INDICATED. THEY SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE WITH THE
THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING
VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK (VESCH).
AND TRANSPORTING TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER
PERMANENT STABILIZATION:
SEDIMENT IS REMOVED IN THIS MANNER.
THE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PLANTING SEED. TO REDUCE EROSION
5. INSTALL THE INITIAL CONSTRUCTION MEASURES AS SHOWN ON THE PHASE I EROSION CONTROL SHEET. THIS INCLUDES (3)
AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS. TO PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER
SEDIMENT TRAPS, WIRE SILT FENCE, AND DIVERSION DIKES. MEASURES INTENDED TO TRAP SEDIMENT SHALL BE
THAT IS ECONOMICAL, ADAPTABLE TO SITE CONDITIONS, AND ALLOWS SELECTION OF THE MOST APPROPRIATE PLANT
CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE
UPSLOPE LAND DISTURBANCE TAKES PLACE.
M
MATERIALS. TO IMPROVE WLDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF CONSTRUCTION
MAT IALSIES,
6. ONCE ALL THE PHASE I EROSION CONTROL ITEMS HAVE BEEN INSTALLED AS SHOWN ON THE EROSION CONTROL PHASE I
ALL AREAS VLF RECEIVE A PERMANENT VEGETATIVE COVER.
PLAN AND THE INSPECTOR HAS APPROVED THE EROSION CONTROL MEASURES, THE CONTRACTOR CAN BEGIN THE MINIMUM
TEMPORARY SEEDING:
GRADING OPERATIONS. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES,
THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING WITH APPROPRIATE
AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION.
RAPIDLY GROWING ANNUAL PLANTS. TO REDUCE EROSION AND SEDIMENTATION BY STABILIZING DISTURBED AREAS THAT
7. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL
WILL NOT BE BROUGHT TO FINAL GRADE FOR A PERIOD OF MORE THAN 30 DAYS. TO REDUCE DAMAGE FROM SEDIMENT
GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN
AND RUNOFF TO DOWNSTREAM OR OFF -SITE AREAS, AND TO PROVIDE PROTECTION TO BARE SOILS EXPOSED DURING
DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER
CONSTRUCTION UNTIL PERMANENT VEGETATION OR OTHER EROSION CONTROL MEASURES CAN BE ESTABLISHED.
THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE
DUST CONTROL:
THAN ONE YEAR.
REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOLITION AND CONSTRUCTION ACTIVITIES.
TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF
AIRBORNE SUBSTANCES WHICH MAY PRESENT HEALTH HAZARDS, TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT
PHASE II (BUILDING OF PAVILION IV):
8. AS THE FIRST PART OF PHASE II, THE CONTRACTOR SHALL ENSURE THAT ANY DRAINAGE INLETS INSTALLED IN THE
LIFE.
PREVIOUS PHASE SHALL HAVE APPROPRIATE INLET PROTECTION AS SHOWN ON THE PLAN BEFORE BEGINNING TO BUILD
DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF DUST DURING
PAVILION IV. DRAINAGE STRUCTURES SHALL OUTFALL INTO SEDIMENT TRAP #3 UNTIL THE SITE IS STABILIZED.
CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH THE VESCH.
9. AFTER STORM DRAINAGE FOR PAVILION IV IS INSTALLED AND HAS APPROPRIATE INLET PROTECTION, SEDIMENT TRAP #2
TEMPORARY DIVERSION DIKE:
CAN BE CONVERTED INTO DRY SWALE W.
A RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA WHICH DIVERTS
10.PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL
OFF -SITE RUNOFF AWAY FROM UNPROTECTED SLOPES AND TO A STABILIZED OUTLET, OR TO DIVERT SEDIMENT -LADEN
GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN
RUNOFF TO A SEDIMENT TRAPPING STRUCTURE. MAXIMUM EFFECTIVE LIVE IS 18 MONTHS.
DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER
ROCK CHECK DAMS:
THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE
SMALL, TEMPORARY STONE DAMS CONSTRUCTED ACROSS A DRAINAGE DITCH TO REDUCE THE VELOCITY OF
THAN ONE YEAR.
CONCENTRATED FLOWS, REDUCING EROSION OF THE SWALE OR DITCH. LIMITED TO USE IN SMALL OPEN CHANNELS WHICH
DRAIN 10 ACRES OR LESS; SHOULD NOT BE USED IN LIVE STREAMS.
:BUILDING OF PAVILION VI III
PHASE ( )
STORM DRAIN INLET PROTECTION:
11. AS THE FIRST PART OF PHASE III THE CONTRACTOR SHALL ENSURE THAT ANY DRAINAGE INLETS INSTALLED IN THE
THE INSTALLATION OF VARIOUS KINDS OF SEDIMENT TRAPPING MEASURES AROUND DROP INLETS OR CURB INLET
PREVIOUS PHASE SHALL HAVE APPROPRIATE INLET PROTECTION AS SHOWN ON THE PLAN BEFORE BEGINNING TO BUILD
PAVILION VI. DRAINAGE STRUCTURES SHALL OUTFALL INTO SEDIMENT TRAP #3 UNTIL THE SITE IS STABILIZED.
STRUCTURES PRIOR TO PERMANENT STABILIZATION OF THE DISTURBED AREA; LIMITED TO DRAINAGE AREAS NOT
12. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL
EXCEEDING ONE ACRE AND NOT INTENDED TO CONTROL LARGE CONCENTRATED STORMWATER FLOWS.
GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN
TEMPORARY SEDIMENT TRAP:
DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT ( UNDISTURBED FOR LONGER
A SMALL PONDING AREA, FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A STONE OUTLET ACROSS A
THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE
DRAINAGE SWALE, TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED AREAS FOR ENOUGH TIME TO ALLOW
THAN ONE YEAR.
MOST TO THE SUSPENDED SOLIDS TO SETTLE OUT. MAXIMUM EFFECTIVE LIFE IS 18 MONTHS.
TEMPORARY SEDIMENT BASIN:
PHASE IV:
A TEMPORARY BARRIER OR DAM WITH CONTROLLED STORMWATER RELEASE STRUCTURES WHICH IS FORMED BY
13.ONCE THE SITE IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL THE CONTRACTOR CAN CONVERT SEDIMENT
CONSTRUCTING AN EMBANKMENT OF COMPACTED SOIL ACROSS A DRAINAGEWAY. IT IS USED TO DETAIN
TRAP 3 TO DETENTION BASIN 'B'. AFTER THE INSPECTOR HAS GIVEN APPROVAL SEDIMENT TRAP 1 CAN BE REMOVED.
# #
SEDIMENT -LADEN RUNOFF FROM DRAINAGE AREAS 3 ACRES OR GREATER FOR ENOUGH TIME TO ALLOW MOST OF THE
NO ITEM SHALL BE REMOVED UNLESS THE UPSTREAM AREAS ARE STABILIZED AND THE INSPECTOR GIVES PERMISSION.
SUSPENDED SOLIDS TO SETTLE OUT. IT CAN BE CONSTRUCTED ONLY WHERE THERE IS SUFFICIENT SPACE AND
14.MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK,
APPROPRIATE TOPOGRAPHY MAXIMUM EFFECTIVE LIFE IS 18 MONTHS UNLESS DESIGNED AS A PERMANENT POND BY A
REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN ACCORDANCE WITH THE VIRGINIA EROSION
AND SEDIMENT CONTROL HANDBOOK.
QUALIFIED PROFESSIONAL. Q
15. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE
OUTLET PROTECTION:
STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE
THE INSTALLATION OF RIPRAP CHANNEL SECTIONS AND/OR STILLING BASINS BELOW STORM DRAIN OUTLETS TO REDUCE
LOCAL PROGRAM ADMINISTRATOR. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION
EROSION AND UNDER-CUTTNG FROM SCOURING AT OUTLETS AND TO REDUCE FLOW VELOCITIES BEFORE STORMWATER
OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION.
ENTERS RECEIVING CHANNELS BELOW THESE OUTLETS.
CULVERT INLET PROTECTION:
A SEDIMENT FILTER LOCATED AT THE INLET TO STORM SEWER CULVERTS WHICH PREVENTS SEDIMENT FROM ENTERING,
ACCUMULATING IN AND BEING TRANSFERRED BY THE CULVERT. IT ALSO PROVIDES EROSION CONTROL AT CULVERTS
SOIL DESCRIPTION
DURING THE PHASE OF A PROJECT WHERE ELEVATIONS AND DRAINAGE PATTERNS ARE CHANGING, CAUSING ORIGINAL
19B-MINNIEVILLE LOAM-2% TO 7% SLOPES. THESE DEEP, WELL DRAINED SOILS ARE FOUND ON GENTLY SLOPING TO STEEP
CONTROL MEASURES TO BE INEFFECTNE.
HILLSLOPES. MODERATE RUNOFF, WITH MODERATE PERMEABILITY.
SAFETY FENCE:
A PROTECTIVE BARRIER INSTALLED TO PROHIBIT UNDESIRABLE USE OF AN EROSION CONTROL MEASURE.
36C -HAYESVILLE LOAM-7% TO 15% SLOPES. THESE DEEP, WELL DRAINED SOILS ARE FOUND ON GENTLY SLOPING TO
STEEP RIDGES AND MOUNTAIN SLOPES. MODERATE RUNOFF, WITH MODERATE PERMEABILITY.
PERMANENT STABILIZATION.
PERMANENT SEEDING WILL BE APPLIED TO ALL DISTURBED AREAS AS PER THE PERMANENT STABILIZATION OF THIS
EROSION & SEDIMENT CONTROL NARRATIVE.
AFTER CONSTRUCTION IS COMPLETED, ALL DISTURBED AREAS OF THE SITE WILL BE LIMED,
FERTILIZED, AND SEEDED AS PER CURRENT VDOT STANDARDS. THIS SHALL CONSIST OF
THE FOLLOWING:
TOP SOIL - 2" DEPTH
LIME - 2 TONS/ACRE
FERTILIZER - 600 LBS/ACRE OF 15-30-15
SEED - ERNST 5311 CONSERVA77ON SEED MIX - ERNMX-114 (45 LBS/ACRE PENNLAWN
CREEPING RED FESCUE, 37.5 LBS/ACRE ARGILS KENTUCKY BLUEGRASS, 37.5 LBS/ACRE
PARK KENTUCKY BLUEGRASS, 15 LBS/ACRE ANNUAL RYEGRASS & 15 LBS/ACRE PLEASURE
PERENNIAL AFTER THESE AREAS ARE STABILIZED THEY WILL BE MOWED AND MAINTAINED
ON A REGULAR BASIS.
MAINTENANCE
IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CHECKED DAILY
AND AFTER EACH SIGNIFICANT RAINFALL. SPECIFIC ATTENTION WILL BE GIVEN TO THE
FOLLOWING ITEMS. -
A. SEDIMENT BASINS AND/OR TRAPS WILL BE CLEANED AND MAINTAINED IN
ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK.
B. ALL 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.
STORMWATER RUN-OFF CONSIDERATIONS.-
STORMWATER MANAGEMENT • 7HE STORMWATER RUNOFF FROM THIS PROJECT DRAINS TEMPORARILY TO
THE TRAPS THE SEDIMENT TRAPS WILL BE REMOVED AFTER THE DEVELOPMENT OF THE WHITE GABLES
PROJECT
OUTLET PROTECTION SIZING
TYPE
LENGTH
WIDTH
DEPTH
OP1
VDOT CLASS 1 A
33.5'
3'
1. 5'
OP2
VDOT CLASS 1 A
4'
2.5'
1. 5'
SCOTT/R. CT?LLINSZ
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