HomeMy WebLinkAboutWPO201800020 VSMP - SWPPP 2019-06-21F
KESWICK HALL ADDITIONS AND SITE IMPROVEMENTS -AMENDMENT
NOTES
TAX MAP PARCEL AND OWNER INFO:
PARCEL 08000-00-00-00900
HISTORIC HOTELS OF ALBEMARLE LLC
701 CLUB DRIVE
KESWICK, VA 22947
PARCEL 08000-00-00-008ZO
KESWICK CLUB LLC
701 CLUB DRIVE
KESWICK, VA 22947
EXISTING ZONING:
RA - RURAL AREA
PENDING SPECIAL USE PERMIT SP2018-001
MAGISTERIAL DISTRICT:
RIVANNA
EXISTING AREA:
PARCEL 08000-00-00-00900 = 6.92 AC.
PARCEL 08000-00-00-008ZO = 161.66 AC.
EXISTING IMPERVIOUS AREA (TOTAL):
2.74 AC
PROPOSED IMPERVIOUS AREA (TOTAL):
5.48 AC
LIMITS OF DISTURBANCE:
2
9.95 AC
SOURCE OF SURVEY, BOUNDARY, AND TOPOGRAPHY:
TUCK MAPPING SOLUTION, INC.
4632 AERIAL WAY
BIG STONE GAP, VA 24219
276-523-4669
PROJECT #: L17-10405
INFRAMAP CORP
10365 CEDAR LANE
GLEN ALLEN, VA 23059
804-550-2937
PROJECT #: RV07317
TIMMONS GROUP
28 IMPERIAL DRIVE
STAUNTON, VA 24401
540-885-0920
PROJECT #: 40241
DATUM:
HORIZONTAL: NAD83 VIRGINIA STATE GRID SOUTH ZONE
VERTICAL: NAVD88
REQUIRED YARDS (MINIMUM):
FRONT: 75 FT
SIDE: 25 FT
REAR: 35 FT
PARKING SETBACK:
25 FT
PROPOSED USE:
EXISTING HALL (MAX. HEIGHT 53.13')
LAUNDRY FACILITY 3,805 SF (MAX. HEIGHT 20.17')
NEW GUEST WING 40,000 SF (MAX. HEIGHT 34.00')
POOL BAR 300 SF (MAX. HEIGHT 16.92')
RESTAURANT 3,900 SF (MAX. HEIGHT 22.00')
EXISTING PARKING:
216 SPACES
PARKING REQUIRED FOR NEW DEVELOPMENT:
EXISTING HALL: 36 GUEST ROOMS X 1 SPACE/GUEST ROOM = 36 SPACES
LAUNDRY FACILITY: 2 EMPLOYEES X 1 SPACE/PER EMPLOYEE = 2 SPACES
NEW GUEST WING: 42 GUEST ROOMS X 1 SPACE/GUEST ROOM = 42 SPACES
POOL BAR: 300 SF X 13 SPACES/1,000 SF GFA = 4 SPACES
RESTAURANT: 3,900 SF X 13 SPACES/1,000 SF GFA = 51 SPACES
TOTAL = 135
TOTAL POST DEVELOPMENT PARKING PROVIDED:
STANDARD SPACES = 145
HANDICAP SPACES = 7 (1 VAN SPACES)
EXISTING SPACES TO REMAIN = 109
TOTAL SPACES =261
LOADING SPACES PROVIDED:
EXISTING LOADING SPACES PROVIDED ON THE NORTHERN & SOUTHERN
SIDE OF KESWICK HALL.
WETLAND IMPACTS:
NONE
UTILITIES:
PRIVATE
DRAINAGE DISTRICT:
CARROLL CREEK - RIVANNA RIVER
THERE ARE CRITICAL SLOPES LOCATED ON THE NORTHERN SIDE OF THE PROPERTY, DIRECTLY BEHIND THE KESWICK GOLF
CLUB ON THE EASTERN SIDE OF THE PROPERTY & IN FRONT OF KESWICK HALL ON THE SOUTHERN END OF THE PROPERTY.
THERE ARE NO CONSTRUCTION ACTIVITIES PROPOSED WITHIN THE 100-YR FLOODPLAIN.
CRITICAL SLOPES IMPACT WAIVER
SDP201800016 KESWICK HALL ADDITIONS AND SITE IMPROVEMENTS - MAJOR AMENDMENT & SDP201800017 KESWICK HALL
ENERGY PLANT - MAJOR AMENDMENT SPECIAL EXCEPTION CONDITION
1. THE AREA OF LAND DISTURBANCE ON CRITICAL SLOPES SHALL NOT EXCEED 30,031 SQUARE FEET AS SHOWN ON SHEET 1
OF THE PLAN ENTITLED "KESWICK HALL ADDITIONS AND SITE IMPROVEMENTS CRITICAL SLOPES WAIVER EXHIBIT"
PREPARED BY TIMMONS GROUP AND DATED JUNE 25, 2018
i
vR�t;iN�i+
COUNTY OF ALRFMARI.E
Department of Comm unity Development
401 Meiotire Road. North Win
Charlottesville, Virginia 22902-4596
Phone (434) 296-5832 Fax (434) 972-4126
July 24, 2018
Williams Mullen C/O Valerie Long
321 E. Main Street, Suite 400
CharlottesviI[e, Va 22902
RE; SP201S00001 Keswick Hall and Golf Club
Dear Ms. Gong,
On July 11, 2019, the Board of Supervisors took action on your special use permit request to
Amend previously approved SP200800042 to relocate and expand the spa and fitness center, add a
pool bar, expand the energy plant, add a new maintenance and laundry building, relocate the
existing restaurant in a standalone building, and add a wing to the existing inn for 38 additional
rooms (a total of 86 rooms). In addition, site changes to parking and circulation are proposed on
-fax Map Parcels 0800000000087.0; 080000000060A0; U8000000000900 in the Rivanna District.
'rho Special Use permit was approved by the Hoard's adoption of the attached resolution and
conditions.
Please be advised that although the Albemarle County Board of Supervisors took action on the
project noted above, no uses on the property as approved above may lawfully begin until all
applicable approvals have been received and conditions have been met. This includes-.
■ compliance with conditions of the SPECIAL USE PERMIT;
approval of and compliance with a SITE PLAN or a SITE PLAN AMEl\TDWNT; and
• approval of a ZONING COMEPLLANCE CLEARANCE.
Before beginning uses as allowed by this special use permit or if you have questions regarding the above -
noted action, please contact Rebecca Ragsdale at (434) 296-5832 ext. 3226.
Sincerely,
Megan Nedmtup, AICP
Principal Manner
Planning Division
RESOLUTION TO APPROVE
SP 2018-01 KESWICK HALL AND GOLF CLUB
WHEREAS, the Owner of Keswick .Hall filed an application to amend a previously -approved
special use permit (SP 200800042) for Tax .clap Parcels 08000-00-00-008Z0, 08000-00-00-060A0, and
08000-00-00-00900 to relocate and expand the spa and fitness center, add a pool bar, expand the energy
plan#, add a new maintenance and laundry building, relocate the existing restaurant to a stand-alone building,
and add a wing to the existing inn for 38 additional rooms, as well as make site changes to the parking and
circulation, and the application is identified as Special Use Permit 2018-00001 Keswick Hall and Golf Club
("SP 2018-0 1"); and
WHEREAS, on May 22, 2018, after a duly noticed public hearing, the Albemarle County Planning
Commission recommended approval of SP 2018-0) with conditions recommended by staff, and
recommended minor changes to the Conceptual flan; and
WHEREAS, subsequent to the Planning Commission meeting, the Applicant submitted an updated
Conceptual Plan dated Juno 11, 2018 that partially addressed the Planning Commission's recommendation
about changes to the Conceptual PIan, however, the updated Conceptual Plan contained additional changes
that were not considered by the Planning Commission; and
WHEREAS, on July 11, 2018, the Albemarle County Board of Supervisors held a duly noticed
public hearing on SP 2018-01.
NOW, THEREFORE, BE IT RESOLVED that, upon consideration of the foregoing, the staff
report prepared for SP 2018-01 and all of its attachments, the information presented at the public hearing,
and the factors relevant to a special use permit in Albemarle County Code § 18-33,8, the Albemarle County
Board of Supervisors hereby approves SF 2018-01, subject to the conditions attached hereto, including
Condition 01, which references the Conceptual Plan dated June 11, 2018 and the Narrative dated January l6,
2018, updated June 11, 2018.
I, Claudette K. Borgersen, do hereby certify that the foregoing writing is a true, correct copy of a
Resolution duly adopted by the Board of Supervisors of Albemarle County, Virginia, by a vote of five to zero
as recorded below, at a meeting held unduly 11, 2018-
Clerk, Board of aunty Super ' rs �
'
Mr. Dill Absent
Mr. Gallaway Y
Ms. Mallek Y
Ms. McKeel Y
Ms. Palmer Y
Mr. Randolph Y
VSMP AMENDMENT
WP0201800020
COUNTY OF ALBEMARLE
VIRGINIA
4/29/2019
SITE
LOCATION
9..
o J\ya
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Keswick Hal
o FOX HILL
ROYAL ACRES
730
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EIGHTS MAGRUDER 7aa
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616 865
Gas
731
Keswick
FITZWOOD
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VICINITY MAP
1=2000'
DEVELOPER:
HISTORIC HOTELS OF ALBEMARLE LLC
701 CLUB DRIVE
KESWICK, VA 22947
CONTACT:JOHN TREVENEN
TELEPHONE: 434-923-4300
ENGINEER OF RECORD:
TIMMONS GROUP
608 PRESTON AVE. SUITE 200
CHARLOTTESVILLE, VA 22903
CONTACT: CRAIG KOTARSKI, P.E.
TELEPHONE: (434) 327-1688
SP-2018-00001 Keswick Ball and Golf Club Conditions
1_ Development and use shall be in accord with the conceptual plan titled "Keswick Hall & Golf CIub
Special -Use Permit Plan" prepared by Hart Howerton and dated June 11, 2018 (hereafter "Conceptual
PIam'), and sanative titled KesHall and Golf Club Project Narrative" [hereafter "I�Iaaative'�,
dated January 16, 2018, updated June 11, 2018, as determined by the Director of Planning and the
Zoning Admini strator.
2. The restaurant, tavern, and inn and accessory uses shall not consume water in excess of existing
permitted capacity of the existing water system (76,000 gallons per day) and sewage system (60,000
gallons per day). If the central water or sewerage system must be expanded to meet existing or future
demand for residential users, the applicant shall seek and obtain all necessary approvals for expanding
the system front the Virginia Department of Health, the Virginia Department of Environmental Quality,
and the Albemarle County Board of Supervisors. Any expansion of the central water or sewerage system
to meet existing or future demand for residential uses shall be solely for the use of residential users.
3. The applicant shall seek and obtain all necessary approvals by the Virginia Department of Health and
Albemarle County Fire Rescue Department for a water system improvement to support dedicated
internal fire protection as described in the "Water and Wastewater Facilities Plan 2017 Update for
Keswick Hall & Golf Club" prepared by Timmons Group dated December 1, 2017 and revised March
19, 2018 (hereinaller the "2017 Water/Wastewater Plan") before a building permit for the proposed
improvements described in Phase IA of the 2017 Water/Wastewater Plan may be issued. No certificates
of occupancy for the improvements in Phase IA shall be issued prior to the completion of the
aforementioned water systeru improvement-
4. The applicant shall seek and obtain all necessary approvals by the Albemarle County Board of
Supervisors for a water system improvernent to support expanded permitted capacity of the water
distribution system as described in the 2017 Water/Wastewater Plan before any building permit for the
proposed improvements described in Phase IA of the aforementioned plan may be issued. No certificates
of occupancy for the improvements in Phase ]A shall be issued prior to the approval of the Virginia
Department of Health, the Virginia Department of Environmental Quality, Albemarle County Fire
Rescue Department, and completion of the aforementioned water system improvement.
S. No unplatted property shall be subdivided and no approved subdivision plat shall be recorded unless the
applicant demonstrates to the satisfaction of the Planning Director and County Engineer that the existing
central water system permitted and approved by the Virginia Department of idealth, or as such permit is
amended or such subsequent permit approved by the Virginia Department of Health, Division of Water
Supply Engineering and the Board of Supervisors, is available and adequate to serve all of said lots, as
well as all existing improvements, associated uses, and platted lots, without compromising on -site and
adjacent off site well water supplies. Nothing herein shall guarantee approval ofsuch amendment or
permit. In making this demonstration, the application shall use test procedures approved by the Virginia
Department of Health, and the County Engineer.
6. Except for any restaurant and spa on the property open to the gericral public, Keswick Hall and its
associated facilities shall be used only by the guests of the imi and their invitees, and rmembers of the
Keswick Country Club and their invitees.
7. In the event that the use, structure or activity for which this special use permit is issued. is not
conunenced on or before July 11, 2020, it shall be deemed abandoned and the permit terminated. The
term "commenced" means "construction of any structure necessary to the use of the permit".
8. All parking areas established or expanded after July 11, 2018 shall comply with a minimum 25-foot
setback.
9. Keswick Road shall be the primary access.
616
SIGNATURE PANEL:
A
Sheet List Table
Sheet Number Sheet Title
CO.00 COVER
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C3.00A I EROSION AND SEDIMENT NOTES AND DETAILS
C3.02
EROSION AND SEDIMENT CONTROL PHASE 1
C3.03
EROSION AND SEDIMENT CONTROL PHASE I
C3.04
EROSION AND SEDIMENT CONTROL PHASE I
v v v �v vv v v v v
C3.01A
EROSION AND SEDIMENT CONTROL PHASE 1A
C3.02A
EROSION AND SEDIMENT CONTROL PHASE 1A
C3.03A
EROSION AND SEDIMENT CONTROL PHASE 1A
C3.04A
EROSION AND SEDIMENT CONTROL PHASE 1A
DEPARTMENT OF COMMUNITY DEVELOPMENT
PLANNING & ZONING
ENGINEERING
INSPECTIONS
ARCHITECTURAL REVIEW BOARD
DEPARTMENT OF FIRE AND RESCUE
ALBEMARLE COUNTY SERVICE AUTHORITY
VIRGINIA DEPARTMENT OF TRANSPORTATION
HEALTH DEPARTMENT
WP0201800020 PLAN SUBMISSION TIMELINE
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A A P'.-- — R Al A/ A T r I"1 A A A w I n PY r n A r
APPROVAL
12/20/2018 - INITIAL WPO PLAN APPROVAL
4/29/2019 - MINOR SITE PLAN AMENDMENT & WPO AMENDMENT SUBMITTAL
5/31/2019 - WPO PLAN AMENDMENT RESUBMITTAL
TOTAL SHEETS = 48
DATE
Od
Sheet List Table
TOTAL SHEETS = 5
5/31/19 WP0201800020 AMENDMENT PLAN SUMMARY (VSMP PLAN AMENDMENT / REVISION #3)
ON 5/28/19 A MEETING WAS HELD BETWEEN TIMMONS GROUP, WM JORDAN AND COUNTY REVIEW STAFF TO DISCUSS
MODIFICATIONS TO THE E&SC PLANS BASED ON CONSTRUCTION PHASING. PLAN SHEETS C3.01-C3.05 HAVE BEEN MODIFIED PER
THIS MEETING. SHEETS C3.01A-C3.05A HAVE BEEN ADDED TO THE PLAN SET TO SUPPLEMENT E&SC PHASING WORK. WM JORDAN
SHALL LIMIT DISTURBANCE DURING PARKING LOT CONSTRUCTION TO REDUCE SEDIMENT LADEN RUNOFF FROM FLOWING ACROSS
THE SITE.
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DRAWN BY
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DESIGNED BY
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CHECKED BY
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Sediment Trap design Sediment Trap design TABLE 3.31-B
ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS
drainage area (acres) (<3) 1.07 VARABLE' drainage area (acres) (<3) 0.181' IAB
��
VARLE' "QUICK REFERENCE FOR ALL REGIONS"
-,' -•--•�.•�
EROSION AND SEDIMENT CONTROL NARRATIVE trap volumes: CREST OF STONE WEIR trapvolumes: CREST OF STONE WEIR_
ORIGINAL IARIABLE� ORIG rJAL IARIABLE•�n.�y
PLANTING DATES SPECIES RATE (LBS./ACRE)
cRouNo GROUND
(ft) area (sf) wlume(cy) ELF. elevation (ft) area (sf) volume(cy) ELEV.; '1
PROJECT DESCRIPTION 416 246 � - - '"°440 212 � '�°• jq,,•� � FLr�►
THIS PROJECT INCLUDES THE DEMOLITION OF EXISTING STRUCTURES, THE RENOVATION OF THE EXISTING -' SEPT. 1 - FEB. 15 50/50 MIX OF ra
HOTEL BUILDING, CONSTRUCTION OF ADDITIONAL PARKING SPACES, BUILDINGS AND ASSOCIATED 417 513 14.1 DRY STORAGE ry VARIABLE' 441 486 12.9 DRY STORAGE ry N VAR"LE' ANNUAL RYEGRASS
418 805 24.4 442 788 23.6
UTILITIES. LIMITS OF CLEARING AND GRADING AREA IS 9.95 ACRES. (LOLIUM MULTI-FLORUM ) O �}
419 1123 35.7 36.5 & 50-100 CRAIGW J.I IYEARSKI
ADJACENT PROPERTY 420 1467 48.0 WET STORAGE Aux WET STORAGE �, MAx CEREAL (WINTER) RYE Lic.No. 0402048507 •`
421 1835 61.1 (IXCAVATED) (IXCAVATED)
THE NORTHERN PROPERTY LINE IS BOUND BY KESWICK RD AND KESWICK HUNT CLUB. THE EASTERN FILTER CLOTH ORIGINAL Wet Storage: FILTER CLOTH ORIGINAL (SECALE CEREALE)
PROPERTY LINE IS BOUND BY THE KESWICK GOLF COURSE. THE SOUTHERN PROPERTY LINE IS BOUND BY THE 183.3 ' ELEV wet storage required (cy) (67*DA) 12.1 , GROUND " gI05/5 I A q �,�'
KESWICK GOLF COURSE AND SINGLE FAMILY RESIDENTIAL HOMES. THE WESTERN PROPERTY LINE IS BOUND -SEE PLATE 3.13-1 COARSE AGGREGATE— CLASS I RIPRAP bottom of stone weir (ft) 441.0 ,SEE PLATE 3.13-1 COARSE AGGREGATE- CIA5S I RIPRAP FEB. 16 - APR. 30 ANNUAL RYEGRASS 60-100 ���s1��; �
BY SINGLE FAMILY RESIDENTIAL HOMES. wet storage: wet storage provided at this elevation (cy) 12.9 (LOLIUM MULTI-FLORUM) 70AL
wet storage required (cy) (67*DA) 71.7 slope of wet storage sides 2:1� .
EXISTING SITE CONDITIONS bottom of stone weir (ft) 419.0 weir length (ft) (6xDA) 1.1 MAY 1 - AUG. 31 GERMAN MILLET 50
THE SITE IS CURRENTLY THE LOCATION OF THE KESWICK HALL AND GOLF CLUB. wet storage provided at this elevation (cy) 74.2 **coarse aggregate shall be VDOT #3, #357 of #5 dry storage: bottom of trap elevation (ft) 440 (SETARIA ITALICA)
slope of wet storage sides 2:1 dry storage required (cy) (67*DA) 12.1 bottom trap dimensions: 57X13 TS 3.31
OFF -SITE AREAS weir length (ft) (6xDA) 6.4 crest of stone weir 442.0 top of dam elevation (ft) 443
NO OFF -SITE AREAS WILL BE IMPACTED. dry storage: bottom of trap elevation (ft) 416 dry storage provided at this elevation (cy) 23.6 top width of dam (ft) 3 TEMPORARY SEEDING PLANT MATERIALS
dry storage required (cy) (67*DA) 71.7 bottom trap dimensions: 39X11 slope of dry storage sides 2:1 top trap dimensions 67x36
CRITICAL EROSION AREAS crest of stone weir 421.0 top of dam elevation (ft) 422 No Scale
ALL CRITICAL SLOPES ARE SHOWN ON PLAN SHEETS C2.01, C2.02, C2.03, C2.04, C2.05. dry storage provided at this elevation (cy) 109.1 top width of dam (ft) 2.5 0 E
sloe of d storage sides 2:1 to trap dimensions 70X26 TABLE 3.32-D Cr1jn L-
EROSION AND SEDIMENT CONTROL MEASURES ST p dry g p p 3.13 ST2 3.13 Q o
SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT AREA N
UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL > E
PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SEDIMENT TRAP #1 SEDIMENT TRAP #2 TOTAL LBS. PER ACRE
MINIMUM CARE LAWN LU °_•-
SPECIFICATIONS OF THE CURRENT ADDITION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL = - }'
No Scale No Scale COMMERCIAL OR RESIDENTIAL 175-200 LBS. � uU > 3:HANDBOOK. THE MINIMUM STANDARDS OF THE VESCH SHALL BE ADHERED TO UNLESS OTHERWISE WAIVED KENTUCKY 31 OR TURF -TYPE TALL FESCUE 90-100% a UL (n �
OR APPROVED BY A VARIANCE BY LOCAL AUTHORITIES HAVING JURISDICTION. IMPROVED PERENNIAL RYEGRASS 0-5% p U.
SPACING BETWEEN CHECK DAMS 1. SET POSTS AND EXCAVATE A 4"X4" 2. STAPLE WIRE FENCING TO KENTUCKY BLUEGRASS 0-5% w O
STORMWATER RUNOFF CONSIDERATIONS TRENCH UPSLOPE ALONG THE LINE OF THE POSTS. Q LU U
00
BIORETENTION FACILITIES WILL BE USED TO TREAT STORMWATER FOR QUALITY. BIORETENTION FACILITIES POSTS. .I w � -
6' GENERAL SLOPE (3:1 OR LESS)
> AND UNDERGROUND STORAGE PIPES WILL BE USED TO CONTROL OFFSITE RUNOFF. CD
MAX KENTUCKY 31 FESCUE 128 LBS. a No IN
l i i RED TOP GRASS 2 LBS. C7 W O, M
STORMWATER RUNOFF CONSIDERATIONS I A B / / I I /
L - I / / - - ( SEASONAL NURSE CROP * 20 LBS. - O
ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE MAINTAINED IN ACCORDANCE WITH VESCH AND I� I� 0 O x 0
/� v s4111-150 LBS. Q -a THE CONSTRUCTION SEQUENCE, INCLUDING THE INSPECTION OF ALL MEASURES AFTER ALL RAIN EVENTS. i 1 11 IIILOW-MAINTENANCE SLOPE (STEEPER THAN 3:1) o W e " a
STRUCTURAL PRACTICES: II II FLOW I111111- IIIIIIIIII I' KENTUCKY 31 FESCUE 108 LBS. cn v c IY
;,III- 11 ,111- RED TOP GRASS 2 LBS. = Q Ln
1. TEMPORARY CONSTRUCTION ENTRANCE - 3.02 A TEMPORARY CONSTRUCTION ENTRANCE SHALL BE L -THE DISTANCE SUCH THAT POINTS A 4"
SEASONAL NURSE CROP * 20 LBS. c Ln w
PROVIDED AT THE LOCATION INDICATED ON THE PLANS. IT IS IMPERATIVE THAT THIS MEASURE BE AND B ARE OF EQUAL ELEVATION o N 0
MAINTAINED THROUGHOUT CONSTRUCTION. ITS PURPOSE IS TO REDUCE THE AMOUNT OF MUD 3. ATTACH THE FILTER FABRIC TO 4. BACKFILL AND COMPACT THE CROWNVETCH ** 20 LBS.
150 LBS. M z ZO
TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. THE WIRE FENCE AND EXTEND IT INTO EXCAVATED SOIL. a O ~~
I -I Cn M
2. SILT FENCE BARRIER - 3.05 SILT FENCE SEDIMENT BARRIERS SHAL L BE INSTALLED DOWNSLOPE OF THE TRENCH. * USE SEASONAL NURSE CROP IN ACCORDANCE WITH SEEDING DATES o LU S z
AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT -LADEN RUNOFF FROM SHEET FLOW AS INDICATED. AS STATED BELOW: iD I__> O
ITS PURPOSE IS TO INTERCEPT SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS AND PREVENT u w
2 ACRES OR LESS OF DRAINAGE AREA: 2-10 ACRES OF DRAINAGE AREA: = IIIkI � . _ / FEBRUARY 16TH THROUGH APRIL.................................. ANNUAL RYE
SEDIMENT FROM LEAVING THE SITE. MAY 1ST THROUGH AUGUST 15TH ............................ FOXTAIL MILLET w u,
3. STORM DRAIN INLET PROTECTION - 3.07 STONE FILTERS SHALL BE PLACED AT THE INLET OF ALL I _ CC
�-' �I - -III AUGUST 16TH THROUGH OCTOBER ............................... ANNUAL RYE z
DRAINAGE STRUCTURES AS INDICATED ON PLANS. ITS PURPOSE IS TO PREVENT SEDIMENT FROM =III- Q
6" / - FLOW II II -1 NOVEMBER THROUGH FEBRUARY 15TH........................ WINTER RYE w z
f I=1 I -
ENTERING THE STORM DRAINAGE SYSTEM PRIOR TO PERMANENT STABILIZATION. 6=I IIIIIIIIII' III-
_ �I-
4. DIVERSION DIKE - 3.09 A RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A 3'* 3 * 1=111Iliilll=-III-III-'' ** Q
SLOPING DISTURBED AREA WHICH DIVERTS OFF -SITE RUNOFF AWAY FROM UNPROTECTED SLOPES AND FILTER FILTER -11-III=I1 SUBSTITUTE SERICEA LESPEDEZA FOR CROWNVETCH EAST OF ,� o
CLOTH FARMVILLE, VA (MAY THROUGH SEPTEMBER USE HULLED SERICEA, ALL Q w
TO A STABILIZED OUTLET, OR TO DIVERT SEDIMENT -LADEN RUNOFF TO A SEDIMENT TRAPPING CLOTH EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. O a
STRUCTURE. MAXIMUM EFFECTIVE LIFE IS 18 MONTHS. (OPTIONAL) (OPTIONAL) (DOWNSTREAM VIEW) OTHER PERIODS, USE UNHULLED SERICEA). IF FLATPEA IS USED IN LIEU = w Q
(DOWNSTREAM VIEW) OF CROWNVETCH, INCREASE RATE TO 30 LBS./ACRE. ALL LEGUME SEED
5. SEDIMENT TRAP - 3.13 A TEMPORARY BARRIER OR DAM WITH A CONTROLLED STORMWATER RELEASE TO FILTER FABRIC MUST BE PROPERLY INOCULATED. WEEPING LLVEGRASS MAY BE O
DETAIN SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS IN "WET" AND "DRY" STORAGE LONG ENOUGH ADDED TO ANY SLOPE OR LOW -MAINTENANCE MIX DURING WARMER p a
FOR THE MAJORITY OF SEDIMENT TO SETTLE OUT. III WIRE SEEDING PERIODS; ADD 10-20 LBS./ACRE IN MIXES. w
6. MAINTENANCE OF SEDIMENT TRAP - INSPECT TRAP EMBANKMENT WEEKLY TO ENSURE IT IS VDOT #1 COARSE VDOT #1 COARSE \ =1 Ill III=III==III= Q
STRUCTURALLY SOUND AND HAS NOT BEEN DAMAGED DURING CONSTRUCTION ACTIVITIES. ADDITIONALLY AGGREGATE AGGREGATE SSF - -I IIII I- 3.05-1LU
THE TRAP SHALL BE CHECKED AFTER EVERY RAINFALL EVENT. ONCE THE SEDIMENT HAS REACHED THE w
DESIGNATED CLEANOUT LEVEL IT SHALL BE REMOVED AND PROPERLY DISPOSED OF. FLOW ?7 3* FLU ?� 3'* SILT FENCE (WITH WIRE SUPPORT) PS 3.32 14
N N N
7. OUTLET PROTECTION - 3.18 THE INSTALLATION OF RIPRAP CHANNEL SECTIONS AND/OR STILLING w o 0 0
I I 1
No Scale Q
BASINS BELOW STORM DRAIN OUTLETS TO REDUCE EROSION AND UNDER -CUTTING FROM SCOURING AT
OUTLETS AND TO REDUCE FLOW VELOCITIES BEFORE STORMWATER ENTERS RECEIVING CHANNELS PERMANENT SEEDING MIX FOR PIEDMONT AREA O "' a- ul
BELOW THESE OUTLETS.
CLASS I RIPRAP GRAVEL CURB INLET SEDIMENT FILTER o 0 0
8. DUST CONTROL - 3.39 DUST CONTROL IS TO BE USED THROUGH THE SITE IN AREAS SUBJECT TO Cp * OR 3/4 OF DITCH HEIGHT \� -f-� No Scale j
SURFACE AND AIR MOVEMENT. 3.20 \ DATE
O
VEGETATIVE PRACTICES: ROCK CHECK DAM 03-26-2018
1. TOPSOIL TEMPORARY STOCKPILE) - 3.30 TOPSOIL SHALL BE STRIPPED FROM AREAS TO BE GRADED AND STOCKPILED FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL BE LOCATED ONSITE AND No Scale DRAWN BY
SHALL BE STABILIZED WITH TEMPORARY SILT FENCE AND VEGETATION. MINIMUM STANDARDS: LI �71 � I_I L L L I�_
2. TEMPORARY SEEDING - 3.31 ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR MORE THAN 30 /� / ,\ I LI L L] LI 1-I 1. SANDERS
DAYS SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY VEGETATION IMMEDIATELY FOLLOWING AN EROSION AND SEDIMENT CONTROL PROGRAM ADOPTED BY A DISTRICT OR LOCALITY MUST BE CONSISTENT WITH THE FOLLOWING CRITERIA, /
GRADING OF THOSE AREAS. SELECTION OF THE SEED MIXTURE SHALL DEPEND ON THE TIME OF YEAR IT TECHNIQUES AND METHODS: �/ STANDARD ORANGE VINYL OR PLASTIC CONSTRUCTION DESIGNED BY
IS APPLIED. MS-1. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS FENCE ATTACHED TO POSTS (PRE -WEATHERED WOOD, •
3. PERMANENT SEEDING - 3.32 FOLLOWING GRADING ACTIVITIES, ESTABLISH PERENNIAL VEGETATIVE REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS 12" GALVANIZED STEEL, IRON OR THICK PVC PLASTIC), AT LEAST COVER BY PLANTING SEED TO REDUCE EROSION, STABILIZE DISTURBED AREAS, AND ENHANCE NATURAL THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER THAN 14 DAYS. PERMANENT STABILIZATION SHALL BE RUNOFF WATER WIRE MESH A. ALLISON GRAVEL FILTER 40" ABOVE FINISH GRADE WITH SPAN BETWEEN POSTS NO •
BEAUTY. APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. FILTERED WATER GREATER THAN 6 ON CENTER. EVERY NINTH POST SHALL CHECKED BY
MS-2. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCKPILES AND BORROW AREAS SHALL BE STABILIZED OR PROTECTED WITH •
4. SOIL STABILIZATION BLANKETS & MATTING - 3.36 A PROTECTIVE COVERING BLANKET OR SOIL CONTAIN A WARNING SIGN THAT CLEARLY IDENTIFIES THE
STABILIZATION MAT SHALL BE INSTALLED ON PREPARED PLANTING AREAS OF CHANNELS TO PROTECT SEDIMENT TRAPPING MEASURES. THE APPLICANT IS RESPONSIBLE FOR THE TEMPORARY PROTECTION AND PERMANENT STABILIZATION a FENCE AS A TREE PROTECTION FENCE.
AND PROMOTE VEGETATION ESTABLISHMENT AND REINFORCE ESTABLISHED TURF. OF ALL SOIL STOCKPILES ON SITE AS WELL AS BORROW AREAS AND SOIL INTENTIONALLY TRANSPORTED FROM THE PROJECT SITE. TP G3D • C. SHIFFLETT
MS-3. A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT OTHERWISE PERMANENTLY STABILIZED. 1. SET THE STAKES. 2. EXCAVATE A 4'X 4" TRENCH UPSLOPE o
MANAGEMENT STRATEGIES PERMANENT VEGETATION SHALL NOT BE CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT IS UNIFORM, MATURE ALONG THE LINE OF STAKES. II o .ate TREE PROTECTION • SCALE
1. PROVIDE SEDIMENT TRAPPING MEASURES AS A FIRST STEP IN GRADING, SEED AND MULCH ENOUGH TO SURVIVE AND WILL INHIBIT EROSION. - _ a
IMMEDIATELY FOLLOWING INSTALLATION. MS-4. SEDIMENT TRAPS, PERIMETER DIKES, SEDIMENT BARRIERS AND OTHER MEASURES INTENDED TO TRAP SEDIMENT SHALL BE 6 i SEDIMENT 11II a IT No Scale • N/A
2. PROVIDE TEMPORARY SEEDING OR OTHER STABILIZATION IMMEDIATELY AFTER GRADING. CONSTRUCTED AS A FIRST STEP IN ANY LAND -DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND` GUTTERTE - •
3. ISOLATE TRENCHING FOR UTILITIES AND DRAINAGE FROM DOWNSTREAM CONVEYANCES IN ORDER TO DISTURBANCE TAKES PLACE. ��' �� /� IIII 12„ CURB INLET
MINIMIZE PERIMETER CONTROLS. MS-5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS IMMEDIATELY AFTER
4. ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE MAINTAINED UNTIL THEY ARE NO LONGER INSTALLATION. FLOW 4„ *GRAVEL SHALL BE VDOT #3, #357 OR 5 COARSE AGGREGATE. •
RE UIRED TO COMPLY WITH THE CONTRACT DOCUMENTS OR STATE LAW. III III STONE 7a MIN. --
REQUIRED MS-6. SEDIMENT TRAPS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE TOTAL DRAINAGE AREA TO BE SERVED BY THE TRAP. •• CONSTRUCTION
A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA AND THE TRAP 3. STAPLE FILTER MATERIAL TO STAKES AND 4. BACKFILL AND COMPACT THE SPECIFIC APPLICATION: THIS METHOD OF INLET PROTECTION IS APPLICABLE AT ACCESS 3" SM-2A ASPHALT TOP 7
PERMANENT STABILIZATION SHALL ONLY CONTROL DRAINAGE AREAS LESS THAN THREE ACRES. EXTEND IT INTO THE TRENCH. EXCAVATED SOIL. CURB INLETS WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO COURSE EXISTING L
ALL NON PAVED AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH PERMANENT SEEDING upCAUSE INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND 3.07- 6 2 _?,�_ PAVEMENT
MS-7. CUT AND FILL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT WILL MINIMIZE EROSION. SLOPES THAT ARE FOUND zs :.-.•:ti_;..r,.,- -- w
UNPROTECTED AREAS. .....:;._. ;,::=..P:.=,'_ F•�-;; :;.-.......'_
IMMEDIATELY FOLLOWING FINISHED GRADING. SEEDING SHALL BE IN ACCORDANCE WITH STD. &SPEC. TO BE ERODING EXCESSIVELY WITHIN ONE YEAR OF PERMANENT STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE �-
3.32, PERMANENT SEEDING. SEED TYPE SHALL BE AS SPECIFIED FOR "MINIMUM CARE LAWNS" AND STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECTED. STORMWATER INLET PROTECTION
&" MIN. 211A AGGREGATE BASE
"GENERAL SLOPES" IN THE HANDBOOK FOR SLOPES LESS THAN 3:1. FOR SLOPES GREATER THAN 3:1, SEED MS-8. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN ADEQUATE TEMPORARY OR III! �� IIII No Scale PROFILE
TYPE SHALL BE AS SPECIFIED FOR "LOW MAINTENANCE SLOPES" IN TABLE 3.32-D OF THE HANDBOOK. FOR PERMANENT CHANNEL, FLUME OR SLOPE DRAIN STRUCTURE. - FLOW/
Uj
MULCH (STRAW OR FIBER) SHALL BE USED ON ALL SEEDED SURFACES. IN ALL SEEDING OPERATIONS SEED, MS-9. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL BE PROVIDED. / 2 X 4" WOOD SILT FENCE DROP INLET PROTECTION DROP INLET WITH
FERTILIZER AND LIME SHALL BE APPLIED PRIOR TO MULCHING. MS-10. ALL STORM SEWER INLETS THAT ARE MADE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED SO THAT SEDIMENT -LADEN WATER III SHEET FLOW INSTALLATION -III FRAME GRATE - 70' MIN.
CANNOT ENTER THE CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR OTHERWISE TREATED TO REMOVE SEDIMENT. STONE
(PERSPECTIVE VIEW) CONSTRUCTION _ASPHALT PAVER J
SEQUENCE OF INSTALLATION MS-11. BEFORE NEWLY CONSTRUCTED STORMWATER CONVEYANCE CHANNELS OR PIPES ARE MADE OPERATIONAL, ADEQUATE OUTLET 3' _� FRAME ACCESS WASHRACK 0
PHASE I (SEE SHEET C3.01-C3.05) PROTECTION AND ANY REQUIRED TEMPORARY OR PERMANENT CHANNEL LINING SHALL BE INSTALLED IN BOTH THE CONVEYANCE FLOW MAX. 1.5' _ p r-� H4
1. A PRE -CONSTRUCTION MEETING IS REQUIRED WITH ALBEMARLE COUNTY E&S INSPECTOR, CONTRACTOR, CHANNEL AND RECEIVING CHANNEL. A A MAX. l )� EXISTING
OWNER, AND ENGINEER. THIS MEETING SHALL TAKE PLACE AT ALBEMARLE COMMUNITY DEVELOPMENT. B \�� c 2% 2% PAVEMENT
MS-12. WHEN WORK IN A LIVE WATERCOURSE IS PERFORMED, PRECAUTIONS SHALL BE TAKEN TO MINIMIZE ENCROACHMENT, CONTROL _ _ )� 12% 12• MM.* -
CLEARING LIMITS MUST BE FLAGGED PRIOR TO THE MEETING WITH ONE (1) WEEK OF NOTICE. SEDIMENT TRANSPORT AND STABILIZE THE WORK AREA TO THE GREATEST EXTENT POSSIBLE DURING CONSTRUCTION. NONERODIBLE \\\ 3' _ �� i w
2. INSTALL SILT FENCE BELOW PROPOSED SEDIMENT TRAPS AND INLET SEDIMENT TRAPS. CLEAR AND MATERIAL SHALL BE USED FOR THE CONSTRUCTION OF CAUSEWAYS AND COFFERDAMS. EARTHEN FILL MAY BE USED FOR THESE ��'���� MIN. L I
GATHER DRAINAGE GRADE SEDIMENT TRAPS AND INLET SEDIMENT TRAPS. STRUCTURES IF ARMORED BY NONERODIBLE COVER MATERIALS. ,--- 0
MS-13.
3. INSTALL CLEAN WATER DIVERSION, REMAINING SILT FENCE, REMAINING TREE PROTECTION, DIVERSION ���� EXCESS - TOSEDIMENT
WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN TWICE IN ANY SIX-MONTH PERIOD A � *MUST EXTEND FULL WIDTH � I'� ~�
}
DIKES, INLET PROTECTION, CULVERT INLET PROTECTION. TEMPORARY VEHICULAR STREAM CROSSING CONSTRUCTED OF NONERODIBLE MATERIAL SHALL BE PROVIDED. POINTS A SHOULD BE HIGHER THAN POINT B. AT OF INGRESS AND EGRESS CORNERS OPERATIONTRAPPING DEVICE
4. AFTER ALL EROSION AND SEDIMENT CONTROL MEASURES ARE IN PLACE, SITE WORK CAN BEGIN. MS-14. ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING TO WORKING IN OR CROSSING LIVE WATERCOURSES SHALL BE PERSPECTIVE VIEWS PLANDRAINAGEWAY INSTALLATION W5. ROUGH GRADE PROJECT AREA. MET. (i) (FRONT ELEVATION) O
6. SEED ALL DENUDED AREAS PER VESCH STANDARDS. MS_15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WORK IN THE WATERCOURSE IS COMPLETED. STAKE _ _ _ __ _..___.__..-_._-._ Q
MS 16. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION TO OTHER SILT FENCE W/O WIRE SUPPORT -12' Mlv,---Posn,vE DRAINAGE �--�
PHASE II (SEE SHEET C3.06-C3.10) APPLICABLE CRITERIA: FABRIC
No Scale ` 112l TO SEDIMENT Q
1 _ :: 'TRAPPING DEVICE: I --I
1. INSTALL ADDITIONAL INLET PROTECTION WHERE SHOWN ON THE PHASE II EROSION AND SEDIMENT '"`�--�"- � �-�•• _---�-_--•_ ��-.• ---•• _ _ >--.,.. _
A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME.
CONTROL PLAN AS THE STORM SYSTEM IS CONSTRUCTED AND BECOMES OPERATIONAL. B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. MIN. LU
2. FINE GRADE PROJECT AREA. APPLY PERMANENT SOIL STABILIZATION TO THESE AREAS WITHIN SEVEN C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, II III `` l FILTER CLOTH- Q �
LU
DAYS AFTER FINAL GRADE IS ACHIEVED. OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF -SITE PROPERTY. SECTION A A I -I O
3. ALL STORMWATER PIPING & STRUCTURES, INCLUDING DETENTION FACILITIES SHALL BE INSPECTED FOR D. MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION AND PROMOTE DETAIL A Z i z
SILT/SEDIMENT. IF PRESENT, SILT/SEDIMENT SHALL BE CLEANED OUT FOR THE SYSTEM TO THE STABILIZATION. A lninfi n ni water tap of 1 nich must be Installed with a rain1mtun 1 uich ballcock >
SATISFACTION OF THE E&S INSPECTOR. E. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THESE REGULATIONS. ELEVATION OF STAKE AND FABRIC ORIENTATION shutoff vatve supplying a wash hose with a diametef of 1.5 niches for adequate
4. ONCE THE SITE UP HILL FROM THE SEDIMENT TRAPS HAS BEEN STABILIZE AND APPROVED BY ESC F. APPLICABLE SAFETY REGULATIONS SHALL BE COMPLIED WITH. constant pressure. Wash water inust be carried away from ilie entrance to an Z
INSPECTOR REMOVE, REMOVE THE SEDIMENT TRAPS AND COMPLETE ANY FINAL GRADING OR MS-17. WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE D SPECIFIC APPLICATION epprovQd settlniQ area to remove sediment. All seclnnent sliallbe prevented:i•om
HARDSCAPE. TRANSPORT OF SEDIMENT BY VEHICULAR TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PAVED OR THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE INLET nteiI _tone drams, ditches of watercourses. O w
5. CONTRACTOR SHALL INSTALL PERMEABLE PAVERS ONCE ALL UP HILL SITE HAS BEEN PERMANENTLY PUBLIC ROAD SURFACE, THE ROAD SURFACE SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE D 2 DRAINS A RELATIVELY FLAT AREA (SLOPE NO GREATER THAN 5%) WHERE U
THE INLET SHEET OR OVERLAND FLOWS (NOT EXCEEDING 1 C.F.S.) ARE PAVED WASH RACK LU
STABILIZED TO PREVENT SEDIMENT FROM ENTERING THE UNDERDRAIN NETWORK. REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTED TO A SEDIMENT CONTROL DISPOSAL AREA. STREET INFLOW- - _ - TYPICAL. THE METHOD SHALL NOT APPLY TO INLETS RECEIVING 140 SCALE � J H
6. APPLY PERMANENT SOIL STABILIZATION TO THESE AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. THIS PROVISION SHALL APPLY TO INDIVIDUAL \\ \ RISER CONCENTRATED FLOWS, SUCH AS IN STREET OR HIGHWAY MEDIANS. O Q Q
ACHIEVED. SILT FENCE BELOW SEDIMENT TRAP MUST BE MAINTAINED THROUGH GRADING AND DEVELOPMENT LOTS AS WELL AS TO LARGER LAND -DISTURBING ACTIVITIES.
CONSTRUCTION. MS-18. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION \ F IP 3.07-1 CE 3 02 �� 2: w
7. ONCE CONSTRUCTION IS COMPLETE AND ALL CONTRIBUTING AREAS ARE STABILIZED, EROSION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM AUTHORITY. \ L = TOTAL DISTANCE O LLI
CONTROL MEASURES CAN BE REMOVED UPON APPROVAL FROM THE E&S INSPECTOR. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE II
NORMAL POOL INFLOW AROUND THE
GENERAL EROSION AND SEDIMENT CONTROL NOTES: FROM THE POINT OF v 1
\\
PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION. \ 0 BAFFLE TO THE RISER. STORM DRAIN INLET PROTECTION Sis
ONE CONSTRUCTION ENTRANCE I-� Q
MS-19. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE PROTECTED FROM SEDIMENT DEPOSITION, EROSION No Scale cale Q
AND DAMAGE DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK FLOW RATE OF STORMWATER RUNOFF FOR THE STATED FREQUENCY \�`tl z
STORM OF 24-HOUR DURATION IN ACCORDANCE WITH THE STANDARDS AND CRITERIA LISTED IN SECTION 19 OF VIRGINIA SILT FENCE CULVERT INLET PROTECTION \\� Q
ES-1: UNLESS OTHERWISE INDICATED, CONSTRUCT AND MAINTAIN ALL VEGETATIVE AND STRUCTURAL ADMINISTRATIVE CODE 9VAC25-840-40 MINIMUM STANDARDS. ❑������� °
EROSION AND SEDIMENT CONTROL PRACTICES ACCORDING TO MINIMUM STANDARDS AND NORMAL POOL ENDWALL E��■���■ Z SPECIFICATIONS OF THE LATEST EDITION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL _ [100■■M■■
HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL C� ) RISER TOE OF ❑00■ ■ 0
REGULATIONS. SOILS INFORMATION: �\ o � �' BAFFLE FILL CULVERT I --I
J , ^
46B - LIGNUM SILT LOAM, 2 TO 7 PERCENT SLOPES. 40 TO 60 �\ V 1
ES-2: THE CONTROLLING EROSION AND SEDIMENT CONTROL AUTHORITY WILL MAKE A CONTINUING \ O
REVIEW AND EVALUATION OF THE METHODS AND EFFECTIVENESS OF THE EROSION CONTROL PLAN. INCHES TO PARALITHIC BEDROCK, MODERATELY WELL DRAINED. \ < O
HYDROLOGIC SOIL GROUP: D - ��`�� �
ES-3: PLACE ALL EROSION AND SEDIMENT CONTROL MEASURES PRIOR TO OR AS THE FIRST STEP IN
CLEARING, GRADING, OR LAND DISTURBANCE. 51B - MANTEO CHANNERY SILT LOAM, 2 TO 7 PERCENT SLOPES. 15 � INFLOW W
TO 20 INCHES TO LITHIC BEDROCK, SOMEWHAT EXCESSIVELY
ES-4: MAINTAIN A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN ON THE SITE AT ALL DRAINED. HYDROLOGIC SOIL GROUP: D * TOE OF PERSPECTIVE VIEW
TIMES. SHEETS OF 4' X 8' X 1/2" EXTERIOR 6" SILT OW FILL , `
51C - MANTEO CHANNERY SILT LOAM 7 TO 15 PERCENT SLOPES. 10 PLYWOOD OR EQUIVALENT FENCE *DISTANCE IS v
ES-5: PRIOR TO COMMENCING LAND -DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON RISER CREST � **OPTIONAL STONE COMBINATION
DRAINEDHYDROLOGIC SOIL GROUP: D FLOW IS MINIMUM IF
THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFFSITE BORROW OR WASTE AREA), SUBMIT A ELEVATION '
DTO 20 R. INCHES LITHIC BEDROCK, SOMEWHAT EXCESSIVELY 6'1.0' 1.5
SUPPLEMENTARY EROSION CONTROL PLAN TO THE ARCHITECT/ENGINEER AND THE CONTROLLING 4 ° POSTS MIN. SIZE 4" TOWARD . '
EROSION AND SEDIMENT CONTROL AUTHORITY FOR REVIEW AND ACCEPTANCE. 51D - MANTEO CHANNERY SILT LOAM, 15 TO 25 PERCENT SLOPES. 11 SQUARE OR 5" ROUND. EMBANKMENT ° ( n
SET AT LEAST 3' INTO FABRIC (ATTACH `/ �
10 TO 20 INCHES TO LITHIC BEDROCK SOMEWHAT EXCESSIVELY TO POSTS WITH
ES-6: PROVIDE ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND DRAINED. HYDROLOGIC SOIL GROUP: D 8 THE GROUND. N• METAL TIE 1 1 1
SEDIMENTATION AS DETERMINED BY THE RESPONSIBLE LAND DISTURBER. (MODIFIED NOTE) Uj
FLOW 2.5' _
62B - NASON SILT LOAM, 2 TO 7 PERCENT SLOPES. 40 TO 60 ABRIC Y
ES-7: ALL DISTURBED AREAS SHALL DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES INCHES TO PARALITHIC BEDROCK, WELL DRAINED. HYDROLOGIC LINE POST
DURING LAND -DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT. ** CONVENTIONAL 10 I GROUND LINE
SOIL GROUP: B VDOT #3, #357, #5, #56 OR #57 COARSE 6' _ I� JOB NO.
CLASS I METAL (T) OR \\ MAX.
ES-8: DURING DEWATERING OPERATIONS, PUMP WATER INTO AN APPROVED FILTERING DEVICE. AGGREGATE TO REPLACE SILT FENCE IN " RIPRAP 5' MIN. MAX. (U) POSTS BRACING�CC RETE FOOTING
77 - RIVE RVIEW-CHEWACLA COMPLEX. MORE THAN 80 INCHES TO HORSESHOE " WHEN HIGH VELOCITY OF FLOW PERSPECTIVE VIEW PERSPECTIVE VIEW 40241
ES-9: INSPECT ALL EROSION CONTROL MEASURES DAILY AND AFTER EACH RUNOFF- PRODUCING RESTRICTIVE FEATURES, WELL DRAINED. HYDROLOGIC SOIL CIP IS EXPECTED 3.08-1 SAF O
3.10
RAINFALL EVENT. MAKE ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS GROUP: B PLASTIC FENCE METAL FENCE SHEET NO.
OF THE EROSION CONTROL DEVICES IMMEDIATELY. WOODEN BAFFLE CULVERT INLET PROTECTION SAFETY FENCE C3.00
No Scale No Scale No Scale
ST3
ST4
ST5
ST6
Sediment Trap design
drainage area (acres) (<3)
trap volumes:
elevation (ft)
453.5
454
455
456
11030
area (so
volume(cy)
1069
1197
21.0
1471
49A
1771
60.0
wet storage:
wet storage required (cy) (67*DA)
bottom of stone weir (ft)
wet storage provided at this elevation (cy)
slope of wet storage sides 2:1
dry storage:
dry storage required (cy) (67*DA)
crest of stone weir
dry storage provided at this elevation (cy)
slope of dry storage sides 2:1
SEDIMENT TRAP #3
No Scale
Sediment Trap design
drainage area (acres) (<3)
trap volumes:
elevation (ft)
447
448
449
11 VARNHLE�
ORIGINAL CREST OF STONE WEIR VM,BLE•
GROUND
ELN. \�_1
130.4
WET STORAGE
(EXCAVATED)
FLIER CLOTH ORIMNAL
GROUND
ELEV.
1
43.6
.SEE PLATE 3.13-1
COARSE AGGREGATE CLASS I RIPRAP
441.0
70.4
**coarse aggregate shall be VDOT #3, #357 of #5
weir length (ft) (6xDA)
3.9
bottom of trap elevation (ft)
440
43.6
bottom trap dimensions:
57X13
442.0
top of dam elevation (ft)
443
60.0
top width of dam (ft)
3
top trap dimensions
67x36
0.3
area (so volume(cy)
1448
1390 52.6
1726 57.7
wet storage:
wet storage required (cy) (67*DA)
bottom of stone weir (ft)
wet storage provided at this elevation (cy)
slope of wet storage sides 2:1
dry storage:
dry storage required (cy) (67*DA)
crest of stone weir
dry storage provided at this elevation (cy)
slope of dry storage sides 2:1
SEDIMENT TRAP #4
No Scale
Sediment Trap design
drainage area (acres) (<3)
trap volumes:
elevation (ft)
454.5
455
456
110.3
20.1
448.0
52.6
SEE PLATE 3.13-1
WET STORAGE
(EXCAVATED)
weir length (ft) (6xDA)
bottom of trap elevation (ft)
20.1 bottom trap dimensions:
449.0 top of dam elevation (ft)
57.7 top width of dam (ft)
top trap dimensions
Ire] tle"
area (so volume(cy)
1724
1828 32.9
2257 75.6
wet storage:
wet storage required (cy) (67*DA)
bottom of stone weir (ft)
wet storage provided at this elevation (cy)
slope of wet storage sides 2:1
dry storage:
dry storage required (cy) (67*DA)
crest of stone weir
dry storage provided at this elevation (cy)
slope of dry storage sides 2:1
SEDIMENT TRAP #5
No Scale
Sediment Trap design
drainage area (acres) (<3)
trap volumes:
elevation (ft)
446
447
448
i[ItI:M.".
30.2
455.0
32.9
ORIGINAL
GROUND
ELN.
.SEE PLATE 3.13-1
I'l VARIABLES
:;;'Itl
1rM4
C MAX. 1 1 1
1 FILTER CLOTH ORIGINAL
GROUND
ELEV.
COARSE AGGREGATE CLASS I RIPRAP
1A VARIABLE
CREST OF STONE WEIR _ yARIABLE*_.
DRY STORAGE
WET STORAGE
(EXCAVATED)
weir length (ft) (6xDA)
bottom of trap elevation (ft)
30.2 bottom trap dimensions:
456.0 top of dam elevation (ft)
75.6 top width of dam (ft)
top trap dimensions
0.25
area (so volume(cy)
725
951 31.0
1203 39.9
wet storage:
wet storage required (cy) (67*DA)
bottom of stone weir (ft)
wet storage provided at this elevation (cy)
slope of wet storage sides 2:1
dry storage:
dry storage required (cy) (67*DA)
crest of stone weir
dry storage provided at this elevation (cy)
slope of dry storage sides 2:1
SEDIMENT TRAP #6
No Scale
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DRY STORAGE
WET STORAGE
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bottom of trap elevation (ft)
16.8 bottom trap dimensions:
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39.9 top width of dam (ft)
top trap dimensions
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