HomeMy WebLinkAboutWPO201900028 Plan - VSMP WPO VSMP 2019-08-30V5MF
PLAN
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EXIST NEW
�T x 125TC TOP OF CURB ELEVATION
x 125 SPOT ELEVATION
P m x 125 TW TOP OF WALL ELEVATION
I � Bw x 125 BVV BOTTOM OF WALL ELEVATION
BENCHMARK
STORM SEWER
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ROOF DRAIN
SEWER LINE
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WATER LINE
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DOMESTIC LINE
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F —F
FIRE LINE
F —F —
PURPLE LINE
OVERHEAD ELECTRIC LINE
m � —
T— T
UNDERGROUND TELEPHONE LINE
DRAIN INLET (DI)
STORM/SANITARY MANHOLE
PLUG
a
WATER VALVE & BOX
a
FIRE HYDRANT
WATER METER
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STORM SEWER LABEL
SANITARY SEWER LABEL
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REFERENCE LABEL
LIGHT POLE
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UTILITY POLE
ADVANCE MILLS FARM LOT 24
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VICINITY MAP SCALE: 1 ll-250001
OWNER / DEVELOPER
CHRISTIAN & PAMELA COMBERG
620 FRAYS RIDGE ROAD
EARLYSVILLE, VA 22936
DB 5113 PG 762
WATERSHED
NORTH FORK RIVANNA WATERSHED
LAND USE SCHEDULE
AREA OF DEVELOPMENT 22.0 AC
LIMITS OF DISTURBANCE 2.32 AC
NEW IMPERVIOUS AREA 0.48 AC
FLOOD ZONE
ACCORDING TO THE FEMA FLOOD INSURANCE RATE MAP,
EFFECTIVE DATE FEBRUARY 4, 2005 (COMMUNITY PANEL
51003CO150D), A PORTION OF THE PROPERTY LIES WITHIN
THE ZONE A 100—YEAR FLOOD PLAIN.
2.65 ACRES OF OPEN SPACE SHALL BE DEDICATED IN A SWM
FOREST/OPEN SPACE EASEMENT. THE SWM FOREST AND OPEN
SPACE EASEMENT IS SUBJECT TO THE GUIDANCE SET FORTH BY THE
DEQ IN THE VIRGINIA STORMWATER MANAGEMENT PROGRAM. THE
AREAS WILL REMAIN UNDISTURBED IN A NATURAL VEGETATIVE STATE,
EXCEPT FOR ACTIVITIES AS APPROVED BY THE LOCAL PROGRAM
AUTHORITY, SUCH AS FOREST MANAGEMENT, CONTROL OF INVASIVE
SPECIES, REPLANTING AND REVEGETATING, PASSIVE RECREATION (E.G.
TRAILS), AND LIMITED BUSH HOGGING TO MAINTAIN DESIRED
VEGETATIVE COMMUNITY (BUT NO MORE THAN 4 TIMES A YEAR).
FURTHER RESTRICTIONS APPLY TO THE AREA IN THE WPO BUFFER.
"'ENERAL `ONSTRuffio"TION NOTES FOR
{, PARKING SETBACK
SANITARY EASEMENT
GRADING EASEMENT 1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE —CONSTRUCTION CONFERENCE, ONE WEEK
T PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION.
DRAINAGE EASEMENT 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
--- UTILITY EASEMENT 1 °" I I I E EROSION AND SEDIMENT CONTROL REGULATIONS.
�tT
3, ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING.
WATER EASEMENT IMAGE PROVIDED BY GOOGLE MAPS 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES.
—_� ACCESS EASEMENT 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
SWM ACCESS EASEMENT 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.
E T I N E X TREE LINE 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.
- FENCE I 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
STREAM RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES
— I V+/ 10.SHALL BE MADE IMMEDIATELY.
ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA.
INTERVAL CONTOUR 11, ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL SHALL BE INERT MATERIALS ONLY, FREE
oa INDEX CONTOUR
V V I V V OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER DEBRIS.
12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER ZONING ORDINANCE SECTION 5.1.28.
h a '13, ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301 OF THE CODE OF ALBEMARLE.
l� 14. BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL —TYPE POWER EQUIPMENT SHALL BE LIMITED TO THE HOURS OF
C — CG-2 STANDARD 6" CURB 7:OOAM TO 9:OOPM.
.vn., _... 15, BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAT MAINTAINS LATERAL SUPPORT, OR ORDER
C cc— COMBINATION " CURB & GUTTER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY
9 LAB 16. PTHE (DEVELOPER S ALLSTREETERESERVE STHEINKINGRIGHT TO INSTALL MAINTAIN, REMOVE OR CONVERT TO PERMANENT STORMWATER
MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE
CONCRETE PAVEMENT % SIDEWALK 7 — VRRM L " USE MAPSALE OF ANY LOT, UNIT, BUILDING OR OTHER PORTION OF THE PROPERTY.
17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO BE AT 75 LBS/ACRE, AND IN THE
RIPRAP f MONTHS OF SEPTEMBER TO FEBRUARY TO CONSIST A 50/50 MIX OF ANNUAL RYEGRASS AND CEREAL WINTER RYE, OR IN
1fA5fM T MARCH AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET. STRAW MULCH IS
ASPHALT
q TO BE APPLIED AT BOLBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVED BY THE COUNTY EROSION CONTROL INSPECTOR,
GRASS RON1\1T TI L= 18. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND MULCH. AGRICULTURAL GRADE
LIMESTONE SHALL BE APPLIED AT 9OLBS/1OOOSF, INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL, FERTILIZER SHALL BE
EC®2 MATTING
APPLIED AT 1000LBS/ACRE AND CONSIST OF A 10-20-10 NUTRIENT MIS. PERMANENT SEEDING SHALL BE APPLIED AT
EC®3 MATTING 180LBS/ACRE AND CONSIST OF 95% KENTUCKY 31 OR TALL FESCUE AND 0-5% PERENNIAL RYEGRASS OR KENTUCKY
BLUEGRASS. STRAW MULCH IS TO BE APPLIED AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVED BY THE COUNTY
EROSION CONTROL INSPECTOR.
19. MAINTENANCE: ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH RAINFALL, ANY DAMAGE OR CLOGGING TO
STRUCTURAL MEASURES IS TO BE REPAIRED IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 50% OF THE WET STORAGE
�® PARKING COUNT 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 Di`KES WHICH ARE COLLECTING SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED
CROSSWALK AND REPAIRED IMMEDIATELY.
20, ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED WITHIN 30 DAYS OF FINAL SITE
HANDICAP ACCESSIBLE AISLE STABILIZATION, WHEN MEASURES ARE NO LONGER NEEDED, SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL
INSPECTOR.
!_L\ CG®12 21, THIS PLAN SHALL BE VOID IF THE OWNER DOES NOT OBTAIN A PERMIT WITHIN 1 YEAR OF THE DATE OF APPROVAL. (WATER
ck
T HANDICAP PARKING 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)
NOTE.
1. THE SIZE OF THE SYMBOLS MAY VARY FROM WHAT IS SHOWN.
APPROVED
by the Albemarle County'
Communit evelopment Department
Date r 0\
File �ul'o'`� �i 4tlumo*11111119
U JU M. SHII' P �
Ll 183
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PROJECT DESCRIPTION
THIS PROJECT INVOLVES THE CONSTRUCTION OF A SINGLE FAMILY HOME AND DRIVEWAY ON A 22.0
ACRE PARCEL ZONED RA.
THE TOTAL AREA OF DISTURBANCE IS 2.32 ACRES.
THE PROJECT INVOLVES THE FOLLOWING WORK ACTIVITIES:
1. THE CONTRACTOR SHALL OBTAIN ALL LOCAL AND STATE EROSION AND SEDIMENT PERMITTING
REQUIREMENTS AND MAINTAIN ALL EROSION AND SEDIMENT CONTROLS IN ACCORDANCE WITH THE
PERMIT REQUIREMENTS.
2. INSTALLATION OF PERMANENT EROSION AND SEDIMENT CONTROL MEASURES AS SHOWN ON THE
PLAN AND DETAILS.
3. GRADING AND PLACEMENT OF FILL SHALL BE IN GENERAL ACCORDANCE WITH THE PLAN.
4. ESTABLISHMENT OF PERMANENT STABILIZATION OF ALL DISTURBED AREAS.
EXISTING SITE CONDITIONS
THE SITE AREA IS CURRENTLY VACANT.
ADJACENT PROPERTIES
THIS PROPERTY IS BORDERED TO THE NORTH BY THE RIVANNA RIVER; TO THE EAST BY A VACANT
LOT OWNED BY STEPHEN BIRCHELL; TO THE SOUTHEAST BY FRAYS MEADOW COURT; TO THE SOUTH
BY A SINGLE FAMILY RESIDENCE OWNED BY JONATHAN ALEXANDER; AND TO THE WEST BY A SINGLE
FAMILY RESIDENCE OWNED BY JULIE AND KENNETH COX.
OFFSITE AREAS:
THERE ARE NO OFFSITE ACTIVITIES ASSOCIATED WITH THIS PROJECT. IF
ENCOUNTERED, EXCESS MATERIAL SHALL BE HAULED TO A SITE WITH AN
APPROVED EROSION AND SEDIMENT CONTROL PLAN.
SOILS
THE PROJECT AREA CONTAINS THE FOLLOWING SOIL TYPES:
10 - BUNCOMBE LOAMY SAND, 0 TO 2% SLOPES
36B - HAYESVILLE LOAM, 2 TO 7% SLOPES
36C - HAYESVILLE LOAM, 7 TO 15% SLOPES
37D3- HAYESVILLE CLAY LOAM, 15 TO 25% SLOPES
66E - PARKER VERY STONY LOAM, 25 TO 45% SLOPES
CRITICAL AREAS
THERE ARE NO CRITICAL AREAS WITHIN THE SITE.
EROSION & SEDIMENT CONTROLS
1. CONSTRUCTION ENTRANCE: INSTALL AND MAINTAIN A CONSTRUCTION ENTRANCE, AS NECESSARY,
THAT MEETS THE REQUIREMENTS OF STD. AND SPEC. 3.02 AND CONFORMS WITH THE
REQUIREMENTS OF THE EROSION & SEDIMENT CONTROL PLAN.
2. SILT FENCE: INSTALL AND MAINTAIN SILT FENCE THAT MEETS THE REQUIREMENTS OF STD. AND
SPEC. 3.05. THIS SILT FENCE SHALL BE INSTALLED AS SHOWN ON THE EROSION & SEDIMENT
CONTROL PLAN AND ACCOMPANYING DETAILS FOR THE PURPOSE OF INTERCEPTING SILT -LADEN
RUNOFF BEFORE IT IS DISCHARGED FROM THE SITE. THE SILT FENCE SHALL BE INSPECTED AND
MAINTAINED TO ENSURE CONTINUED PERFORMANCE.
3. 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 DURING THE PHASE OF A
PROJECT WHERE ELEVATIONS AND DRAINAGE PATTERNS ARE CHANGING,
CAUSING ORIGINAL CONTROL MEASURES TO BE INEFFECTIVE, STD. AND SPEC.
3.08.
4. TEMPORARY SEDIMENT TRAP: A SMALL PONDING AREA, FORMED BY
CONSTRUCTING AN EARTHEN EMBANKMENT WITH A STONE OUTLET ACROSS A
DRAINAGE SWALE, TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL
DISTURBED AREAS FOR ENOUGH TIME TO ALLOW MOST OF THE SUSPENDED
SOLIDS TO SETTLE OUT. MAXIMUM EFFECTIVE LIFE IS 18 MONTHS. STD. AND
SPEC. 3,13.
5. OUTLET PROTECTION: THE INSTALLATION OF RIPRAP CHANNEL SECTIONS
AND/OR STILLING 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 BELOW THESE
OUTLETS. STD. AND SPEC. 3.18.
6. TEMPORARY SEEDING: TEMPORARY SEEDING SHALL BE APPLIED TO ALL DENUDED AREAS WITHIN
SEVEN (7) DAYS TO DENUDED AREAS THAT MAY OR MAY NOT BE AT FINAL GRADE BUT WILL
REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. TEMPORARY SEEDING SHALL BE
APPLIED IN CONFORMANCE WITH STD. AND SPEC. 3.31.
7. PERMANENT SEEDING: PERMANENT SEEDING SHALL BE APPLIED TO AREAS DELINEATED ON THESE
PLANS WITHIN SEVEN (7) DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE,
PERMANENT SEEDING STABILIZES DISTURBED AREAS AND ENHANCES THE BEAUTY OF THE SITE.
8. MULCHING: APPLICATION OF PLANT RESIDUES OR OTHER SUITABLE MATERIALS TO THE SOIL
SURFACE TO PREVENT EROSION AND FOSTER THE GROWTH OF VEGETATION. ORGANIC MULCHES
(STRAW) HAVE BEEN FOUND TO BE THE MOST EFFECTIVE.
PERMANENT STABILIZATION AND SEQUENCE OF CONSTRUCTION
THE FOLLOWING ARE THE PROPOSED MANAGEMENT STRATEGIES AND DETAILED SEQUENCE OF
CONSTRUCTION:
PHASE 1
1. INSTALL CONSTRUCTION ENTRANCE.
2. INSTALL SILT FENCES, SEDIMENT TRAP, AND DIVERSION DIKES.
3. FENCE OFF OR CLEARLY DEMARCATE SWM FOREST/OPEN SPACE AREA PRIOR TO START OF
CONSTRUCTION.
4. CONTACT THE ENGINEER AND ALBEMARLE COUNTY FOR INSPECTION AND
APPROVAL OF ALL E&S CONTROL MEASURES.
5. UPON APPROVAL OF E&S CONTROL MEASURES, BEGIN SITE WORK.
6. GRADE ROAD AND DITCHES, INSTALLING CULVERTS AS SPECIFIED. GRADE
ROAD TO SHEET FLOW ON LOW SIDE. IMMEDIATELY STABILIZE DITCHES.
7. MAINTAIN PERIMETER CONTROLS UNTIL DISTURBANCE IS COMPLETE.
PHASE 2
1. AS AREAS ARE BROUGHT TO GRADE, APPLY MULCHING, TEMPORARY SEEDING
AND PERMANENT SEEDING. LOW MAINTENANCE GROUND COVER TO BE PLACED
ON ALL SLOPES 3:1 OR GREATER.
2. WHEN SITE HAS REACHED STABILIZATION, REMOVE SEDIMENT TRAP AND
PERIMETER CONTROLS.
3. INSTALL LEVEL SPREADERS AS SPECIFIED ON THE PLANS.
STORMWATER MANAGEMENT NOTES:
1. THROUGH THE USE OF ENGINEERED LEVEL SPREADERS, THE STORMWATER
FROM THIS SITE IS RELEASED AS SHEET FLOW WITHOUT CAUSING
DOWN -GRADIENT EROSION OR SEDIMENTATION, MEETING REQUIREMENT
9VAC25-870-66D.
2. WATER QUALITY WILL BE ADDRESSED BY THE DEDICATION OF 2.55 ACRES OF
EXISTING VACANT LAND WITHIN THE PROPERTY INTO A SWM FOREST/OPEN
SPACE EASEMENT. THIS 2.65 ACRE EASEMENT WILL BE LOCATED NEAR THE
EASTERN PORTION OF THE PROPERTY AND SHALL BE SUBJECT TO STANDARD
ALBEMARLE COUNTY OPEN SPACE DEEDS REQUIREMENTS. WITH THIS AREA OF
FOREST, THE VRRM SPREADSHEET SHOWS THAT THERE IS NO FURTHER
TREATMENT NECESSARY FOR THIS PROJECT. THUS THIS DEVELOPMENT IS IN
COMPLIANCE WITH 9VAC25-870-63.
CONSTRUCTION MAINTENANCE
THE FOLLOWING CONSTRUCTION MAINTENANCE PRACTICES SHALL BE FOLLOWED AT THE SITE.
1. ALL E&S CONTROL MEASURES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAIN
EVENT. ALL DEFICIENCIES IDENTIFIED DURING THESE INSPECTIONS SHALL BE CORRECTED AS
SOON AS PRACTICABLE.
2. THE SILT FENCE BARRIER SHALL BE REGULARLY CHECKED FOR UNDERMINING, DETERIORATION OR
SIGNIFICANT EROSION. SEDIMENT SHALL BE REMOVED AFTER EACH STORM EVENT AND WHEN THE
LEVEL OF SEDIMENT DEPOSITION REACHES HALF THE HEIGHT OF THE CONTROL.
3. THE CONTRACTOR IS RESPONSIBLE FOR ADHERING TO ALL MAINTENANCE REQUIREMENTS SET
FORTH IN THE CURRENT EDITION OF THE VIRGINIA SEDIMENT AND EROSION CONTROL MANUAL,
OTHER APPLICABLE COMMONWEALTH OF VIRGINIA REGULATIONS AND THE PROJECT
SPECIFICATIONS.
4. ALL SEEDED AREAS WILL BE REGULARLY CHECKED TO ENSURE THAT A GOOD STAND OF GRASS
IS MAINTAINED.
5. AREAS WITH RIP -RAP SHOULD BE REGULARLY INSPECTED TO DETERMINE IF HIGH FLOWS HAVE
DAMAGED THESE CONTROLS OR CAUSED EXCESSIVE SEDIMENT DEPOSITION. ALL AREAS SHALL
BE MAINTAINED IN ACCORDANCE WITH THE REQUIREMENTS OF THIS E&S CONTROL PLAN.
ENVIRONMENTAL CONTROLS
1. CONTRACTOR SHALL PROVIDE AND MAINTAIN ALL ENVIRONMENTAL CONTROL MEASURES SO AS
TO COMPLY WITH LOCAL ORDINANCES, STATE AND FEDERAL LAWS AND REGULATIONS APPLICABLE
TO WATER POLLUTION IN WATERS OF THE STATE AND IN INTERSTATE WATERS.
2. CONTRACTOR SHALL MINIMIZE THE POTENTIAL FOR AIR POLLUTION BY THE USE OF EMISSION
CONTROL EQUIPMENT ON CONTRACTOR OPERATED EQUIPMENT, SHUT -DOWN OF MOTORIZED
EQUIPMENT WHEN NOT IN USE, AND ACTIVELY CONTROLLING DUST EMISSIONS THROUGHOUT THE
PROJECT.
EROSION & SEDIMENT CONTROL PERMITTING
CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL LOCAL AND STATE EROSION AND
SEDIMENT CONTROL PERMITS AND MAINTAINING ALL EROSION AND SEDIMENT CONTROLS IN
ACCORDANCE WITH THE PERMIT REQUIREMENTS.
GENERAL NOTES
1. THE INFORMATION AND DATA SHOWN OR INDICATED WITH RESPECT TO THE EXISTING
UNDERGROUND UTILITIES AT OR CONTIGUOUS TO THE SITE ARE BASED ON INFORMATION AND
DATA FURNISHED TO THE OWNER AND ENGINEER BY THE OWNERS OF SUCH UNDERGROUND
FACILITIES OR OTHERS. THE OWNER OR ENGINEER SHALL NOT BE RESPONSIBLE FOR THE
ACCURACY OR COMPLETENESS OF SUCH INFORMATION OR DATA. THE CONTRACTOR SHALL HAVE
FULL RESPONSIBILITY FOR CONFIRMING THE ACCURACY OF THE DATA, FOR LOCATING ALL
UNDERGROUND UTILITIES, FOR COORDINATION OF THE WORK WITH OWNERS OF SUCH
UNDERGROUND UTILITIES DURING CONSTRUCTION, FOR THE SAFETY AND PROTECTION
THEREOF AND REPAIRING ANY DAMAGE THERETO RESULTING FROM THE WORK. ALL OF THESE
CONDITIONS SHALL BE MET AT NO ADDITIONAL COST TO THE OWNER. THE CONTRACTOR SHALL
CONTACT "MISS UTILITIES" OF VIRGINIA AT 1-800-552-7001 PRIOR TO THE START OF WORK.
2. WHEN WORKING ADJACENT TO EXISTING STRUCTURES, POLES, UTILITIES, ETC., THE CONTRACTOR
SHALL USE WHATEVER METHODS THAT ARE NECESSARY TO PROTECT STRUCTURES FROM
DAMAGE. ANY DAMAGE CAUSED BY THE CONTRACTOR OR ITS SUBCONTRACTORS SHALL BE THE
CONTRACTOR'S SOLE RESPONSIBILITY TO REPAIR OR REPLACE. THIS EXPENSE IS THE
CONTRACTOR'S RESPONSIBILITY.
3. REPLACEMENT OR REPAIR OF DAMAGED STRUCTURES SHALL BE AT THE CONTRACTOR'S EXPENSE.
4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROTECTING ALL EXISTING SITE STRUCTURES
FROM DAMAGE AND COORDINATING WORK SO THAT THE OWNER CAN MAKE NECESSARY
ARRANGEMENTS TO MODIFY/PROTECT EXISTING STRUCTURES FROM DAMAGES.
5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR NOTIFYING ALL UTILITY OWNERS, ADJACENT LAND
OWNERS WHOSE PROPERTY MAY BE IMPACTED AND THE VIRGINIA DEPARTMENT OF
TRANSPORTATION PRIOR TO COMPLETING ANY OFF -SITE WORK.
6. CONTRACTOR SHALL NOTIFY AND COORDINATE ALL WORK INVOLVING EXISTING UTILITIES WITH
UTILITY OWNERS, AT LEAST 72 HOURS PRIOR TO THE START OF CONSTRUCTION.
7. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS
FOR THE CONSTRUCTION INDUSTRY (29 CFR PART 1926).
8. THE CONTRACTOR SHALL VERIFY THE LOCATIONS OF ALL BOUNDARIES, BUILDINGS, VEGETATION,
AND OTHER PERTINENT SITE ELEMENTS. CONTRACTOR SHALL IMMEDIATELY REPORT ANY
DISCREPANCIES BETWEEN EXISTING CONDITIONS AND CONTRACT DOCUMENTS TO THE OWNER AND
ENGINEER.
9. CONTRACTOR SHALL SUBMIT FOR THE APPROVAL OF THE OWNER SUBMITTALS OF ALL SPECIFIED
MATERIALS LISTED IN THE PLANS, TO INCLUDE SHOP DRAWINGS, MANUFACTURER'S
SPECIFICATIONS AND LABORATORY REPORTS. THE OWNER'S APPROVAL OF SUBMITTALS WILL BE
GENERAL AND WILL NOT RELIEVE THE CONTRACTOR FROM THE RESPONSIBILITY OF ADHERENCE
TO THE CONTRACT AND FOR ANY ERROR THAT MAY EXIST.
10. CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL NECESSARY PERMITS, INSPECTIONS,
BONDS, AND OTHER RELATED ITEMS IN ACCORDANCE WITH LOCAL AND STATE POLICY.
COUNTY OF ALBElYIAlItI,E
Department of Coitununity Development
�t,niN"r.
Construction Record Drawings (As -built) for VSMP
The following is a list of information required on construction record drawings for
stormwater facilities (reference Water Protection Ordinance 17-422). It is preferable that the
construction record drawing be prepared by someone other than the designer. Please do not
provide design draivings as construction record drawings.
A. A signed and dated professional seal of the preparing engineer or surveyor.
B. The name and address of the firm and individual preparing the drawings on the title sheet-
C. The constructed location of all items associated with each facility, and the inspection records to verify
proper dimensions, materials and installation. The items include, but are not limited to the following:
l . Inspection Records mud photographs for pipe trenches and bedding, including underdrains.
2. Video Pipe Inspection for any pipes which are not accessible or viewable.
3. Updated Location with geo-coordinates of all facilities.
4. Verified Drainage Area snaps for the drainage area treated, and for drainage to the facilities.
5. Current physical and topographic survey for all earthen structures. Ponds should include a survey
of the pond bottom. Surveys should verify pond volumes are per design. Corrections may be required
for alterations rrom the design.
6. Plants, location and type.
7. Plans and profiles for all culverts, Pipes, Risers, Weirs and Drainage Structures - Display the
installed type of drainage structures, culvert/pipe size, weirs, materials, inlets or end treatment(s),
inlet and outlet protection, alignment and invert elevations compared to design.
8. Computations: For significant deviations from design, provide sealed computations verifying that
the as -built condition is equivalent or better than design.
9. Ditch Lines - Display the constructed location of all ditch lines and channels, including typical
sections and linings.
10. Easements - Show all platted easements with dead book references labeled. Facilities and drainage
must be within platted easements. Provide copies of recorded documents.
11. Guardrail, fences or other safety provisions - Display the constructed location of all safety
provisions; fences, guardrail, including the type, length and applied end treatments, compared to
design.
12. Material layers - biofilter media, stone layers, sand layers, keyways and cores must be verified as to
material types and depths. Include inspection reports, boring or test pit reports and materials
certifications. Biofilter media must be an approved state mite.
13. Access roads - show location of access roads, surface treatment, drainage, etc, as applicable.
14. Compaction reports are required to verify fill compaction in dams.
15. Manufacturers certifications for proprietary BMP's certifying proper installation and functioning.
MINIMUM STANDARDS (MS):
All applicable Virginia Erosion and Sediment Control Regulations and Minimum
Standards shall be adhered to during all phoses of construction. These
include, but are not limited to the following:
1. STABLIZATIQN OF DENUDED AREAS:
Permanent or temporary soil stabilization shall be applied to bare areas
within seven days after final grade is reached on any portion of the site.
Temporary soil stabilization shall be applied within seven days to denuded
areas that may not be at final grade, but will remain dormant or
undisturbed for longer than 30 days. Permanent stabilization shall be
applied at areas that are to be left dormant for more than 1 year.
2. STABILIZATION OF SOIL STOCKPILES:
During construction of the project, soil stockpiles shall be stabilized or
protected with sediment trapping measures. The applicant is responsible for
temporary protection and permanent stabilization of all soil stockpiles on
site as well as soil intentionally transported from the project site.
3. PERMANENT VEGETATIVE COVER
A permanent vegetative cover shall be established on denuded areas not
otherwise permanently stabilized. Permanent vegetation shall not be
considered established until a ground cover is achieve that, in the opinion
of the county Inspector, is uniform and mature enough to survive to inhibit
erosion.
4. TIMING & STABILIZATION OF SILT TRAPPING MEASURES:
Sediment basins and traps, perimeter dikes, sediment barriers and other
measures intended to trap sediment shall be constructed as a first step in
any land disturbing activity and shall be made functional before upslope
land disturbance takes palgce,
5. STABILIZATION OF EARTHEN STRUCTURES:
Stabilization measures shall be applied to earthen structures such as
dams, dikes and diversions immediately after installation.
6. SEDIMENT TRAPS AND BASINS:
A sediment basin shall control surface runoff from disturbed areas that is
comprised of flow from drainage areas greater than or equal to three acres.
The sediment basin shall be designed and constructed to accommodate the
anticipated sediment loading for the land disturbing activity. The outfall
device or system device shall take into account the total drainage area
flowing through the disturbed area to be served by the basin.
7. GUT AND FILL SLOPES:
Cut and fill slopes shall be designed and constructed in a manner that
will minimize erosion. Slopes that are found to be eroding excessively
within one year of permanent stabilization shall be provided with additional
slope stabilizing measures until the problem is corrected.
& CONCENTRATED RUN-OFF DOWN CUT OR FILL SLOPES:
Concentrated runoff shall not flow down cut or fill slopes unless contained
within an adequate temporary or permanent channel, flume, or slope drain
structure.
9.WATER SEEPS FROM A SLOPE FACE:
Whenever water seeps from a slope face, adequate drainage or other
protection shall be provided.
1 O. STORM SEWER INLET PROTECTION:
All storm sewer inlets that are made operable during construction shall
be protected so that sediment -laden water cannot enter the conveyance
system without first being filtered or otherwise treated to remove sediment.
11. STABILIZATION OF OUTLETS:
Before newly constructed stormwater conveyance channels are made
operational, adequate outlet protection and any required temporary or
permanent channel lining shall be installed in both the conveyance channel
and receiving channel.
12. WORK IN LIVE WATERCOURSES:
When work in a live watercourse is performed, precautions shall be taken
to minimize encroachment, control sediment transport and stabilize the work
area to the greatest extent possible during construction. Nonerodible
material shall be used for the construction of causeways and cofferdams.
Earthen fill may be used for these structures if armored by nonerodible
cover materials.
13. CROSSING A LIVE WATERCOURSE:
When a live watercourse must be crossed by construction vehicles more
than twice in any six month period, a temporary stream crossing
constructed of nonerodible materials shall be provided.
14. APPLICABLE REGULATIONS:
All applicable federal, state and local regulations pertaining to working in
or crossing live watercourses shall be met.
15. STABILIZATION OF BED AND BANKS
The bed and banks of a watercourse shall be stabilized immediately after
work in the watercourse is completed.
16. UNDERGROUND UTILITIES:
Underground utilities shall be installed in accordance with the following
standards in addition to other criteria:
a.No more than 500 linear feet of trench may be opened at one time.
b.Excavated material shall be placed on the uphill side of trenches
c. Effluent for dewatering operations shall be filtered or passed through
approved sediment trapping device, or both, and discharged in a manner
that does not adversely affect flowing streams or offsite property.
d.Material used for backfilling trenches shall be properly compacted in order
to minimize erosion and promote stabilization.
e. Restabilization shall be accomplished in accordance with these regulations.
f. Applicable safety regulations shall be complied with.
17. CONSTRUCTION ACCESS ROUTES:
Where construction vehicle access routes intersect paved public roads,
provisions shall be made to minimize the transport of sediment by vehicular
tracking onto paved surfaces. Where sediment is transported on to a
public road surface, the road shall be cleaned thoroughly at the end of
each day. Sediment shall be removed by shoveling or sweeping and
transported to a sediment control disposal area. Street washing shall be
allowed only after sediment is removed in this manner. This provision shall
apply to individual lots as well as to larger land disturbing activities.
18. TEMPORARY E&S CONTROL MEASURE REMOVAL:
All temporary erosion and sediment control measures shall be removed
within 30 days after final site stabilization or after temporary measures are
no longer needed, unless otherwise authorized by the local program
authority. Trapped sediment and the disturbed soil areas resulting from the
disposition of temporary measures shall be permanently stabilized to prevent
further erosion and sediment.
19. ADEQUACY OF RECEIVING CHANNELS:
Properties and waterways downstream from the development site shall be
protected from sediment deposition, erosion and damage, due to increases
in volume, velocity and peak flow rates of stormwater runoff for the stated
frequency storm of 24-hour duration.
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f
1 � DR IVEWAY PROFILE
C5 J� LORZ.- 1 7=40'
-
.w 9
I /+UU I /+bU 18+00 ld+bU 19+00 19+bU ZU+UU ZU+bU 21 +Uo 21 +50 22+00 22+50
550
545
540
495
# morsoloi i
P1 IP211
515 r -� - - --- ---- 515
i
510 r - - - -- 510
505 505
OUTFALL TO LEVE 2-5.& alb 9
500 FREAOER-9-�� 500
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10+50
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500
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11 ++0085
SYMBOL N0. TITLE KEY
3.02 CONSTRUCTION ENTRANCE CE
X 3.05 SILT FENCE SF
(D 3.07 INLET PROTECTION IP
3.09 TEMPORARY DIVERSION DIKE DD
R1 R2 pr
__ .� __ _ _
q
52 w iLo
520
[DRAWN T® SCALE 3.13 TEMPORARY SEDIMENT TRAP
515 Q 515
3.18 OUTLET PROTECTION OP
5
510 10
3.31 TEMPORARY SEEDING TS
OU.TFALL :TO. LEVEL
505 PRO-- 505 3.32 PERMANENT SEEDING PS
P
509+50 L 10+00 10+5�04 3.35 MULCHING M U
LIMITS OF DISTURBANCE
EXISTING CONTOUR
PROPOSED CONTOUR
0
JUST M. SHIMP
5183 �
�o
LIMITS ®F w ay •s
v a� DISTURBANCE _, w . _.,,__; w...A ........... J ...;
,• , .. ��
SON
1..........
1
Annual Rainfall (inches)
1 43
Target Rainfall Event (inches)
Loo
ITotal Phosphorus (TP) EMC (nig/L)
0.26
Total Nitrogen (TN) EMC (mg/L)
1.$6
7P Load (lb/acre/yr)
`0.41
9�Target
P) (unitless correction factor)
0.90
Land Cover t7u mr
Forest/Open Space Cover (acres)
Weighted Rv (forest)
% Forest
Managed Turf Cover (acres)
Weighted Rv (turf)
%Managed Turf
Impervious Cover (acres)
Rv (impervious)
% Impervious
Site Area (acres)
Site Rv
A Soils
9 Soils
C Soils
D Soils
Forest/Open Space
0.02
0.03
0.04
0.05
Managed Turf
0.15
0.20
0.22
6 25
Impervious Cover
0.95
0,95
0.95
0.95
Treatment Volume and Hutrient Loads
Treatment Volume
{acre-ft)
0$
Treatment Volume (cubic feet)
7
TPLoad (lb/yr)
LAND COVER LEGEND
SYMBOL
0
®
0
t]
M
M
TOTAL
DISTURBED
AREA
DESCRIPTION
e �ffma
MANAGED TURF
IMPERVIOUS
AREA
2.65 AC
1.84 AC
2.32 AC
SOILS LEGEND
10 — Buncombe loamy sand, Q to 2% slopes
36B — Hayesville loam, 2 to 7% slopes
36C — Hayesville loam, 7 to 15% slopes
37D3— Hayesville clay loam, 15 to 25% slopes
66E — Parker very stony loam, 25 to 45% slopes
4 w W Soil Type Boundary
~ r0�{{
V
0
® r Z
N w
W
K} C?
Z
W
' w IL
= V)
Z
P
Cn
N
O
N
F N
W Q
W
ff
h
r� I) Li
y J
= JU)
♦—
H �
0
W -j
N Q
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) J rA' T M. SHIMP
> r-
Date
04/29/19
Scale
1 "=40'
Sheet No.
C7 OF 9
File No.
19.014
t
gal
U
IL
\ \ '
a'�
\ J J
/
J
/
-'ZONEV RA I
/
/ / \ DRAIN E
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TO 12.7 fv 1
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R6�i.56 ACRE
NAGE AR
PI R2 R
\
TMP\20r=60AEF/
`4NATHAN AL��{ANDER \
ZONED --
RA n
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t
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i
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sn4Y' aF x z
s s
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TE S
{
ADDS l N�,L ®FAIN E
,AREA,/T EYE SPA A�G a€� - -
0.67
1 r 1
Itl
Q2_ae-RIPE-IR2--R
'ORTION S D
�AI Ate E AREA
0.09--ACRES- -
f 0.59
L'sD:%�
SCC D1 &
:)o4 hON QE'L a D
DRAIN/AGE AREA
0 -Ti ACRES
C ® 0-&2
/ TMP 20j--60AD
RI TIAN & PAMEL� CQMBERG
,DB 113/7 2 /\
ZONED RA / \
ES
MA
/
I
r
t
p
\ E�
\ 10 Vl
00
VDOT #3, #357, #5, #56 OR
#57 COARSE AGGREGATE IN VARIABLE (MIN. 7')
GALVANIZED WIRE MESH BASKET SECURE WIRE MESH TO TIMBER
* FILTER CLOTH -� 6X6 TREATED TIMBER
SECURE WIRE TO GROUND 1 6 MIN. -�
WITH WIRE STAP
7' MIN. - I 3'
UNDISTURBED
SOIL
MIN. 6•
Stormwater Conveyance Channel Section
SCC
Lining
Channel
Channel
Channel2-Yr
Side
10-Yr
Number
Depth
Width
Slope
Velocity
Depth
Al
EC-2
Matting
1.0
4.0
2:1
2.37
0.65
B1
EC-2
Matting
1.0
4.0
2:1
1.75
0.53
C1
EC-2
Matting
1.0
4.0
2:1
3.19
0.65
D1
EC-3
Matting
1.0
4.0
2:1
2.90
0.26
D2
EC-3
Matting
1.0
4.0
2:1
2.78
0.24
Width _I
ri-N�SCC SECTION DETAIL
C8) Not To Scale
2:1 OR
FLATTER
ED-229 Storm Drain Deign Computations
Advance Mills Farm Lot 24
LEVEL SPREADER CALCULATIONS:
WATER QUALITY VOLUME
CALCULATED USING RATIONAL
METHOD WITH 1 INCH/ HR STORM
LS
C
A
Q
A
0.36
2.07
0.7
B
0.32
0.99
0.31
D
0.55
0.21
0.11
LEVEL SPREADER LENGTH
REQUIREMENT = 13 LF PER 1 CFS,
MINIMUM 13 LF.
ALL LEVEL SPREADERS TO BE BUILT
13 LF.
From
Point
To Point
Catch
A
(ac)
Runoff
Coef
Inc
AC
Accum
AC
Tot
Tc
(min)
Tot
Int(10yr)
(in/hr)
Tot
Flow(10yr)
(cfs)
Up
Inv
El
Dn
Inv
El
Pipe
Len
(ft)
Inv
S
%
Pipe
Dim
(in)
Pipe
Cap
(cfs)
Velocity
(ftls)
Flow time
Inc
(min)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
P2
Pi
0.99
0.32
0.32
0.32
12.40
5.43
1.72
503.75
502.00
23.8
7.35%
15
19
9.6
0.04
C12
Q1
6.56
0.30
1.97
1.97
17.50
4.30
8.46
496.00
494.00
55.34
3.61%
18
22
11.5
0.08
R2
R1
0.09
0.59
0.05
1 0.05
5.00
7.10
0.38
507.50
505.00
1 39.03
1 6.41%
15
18
5.8
0.11
®
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183
led
SIo� E
th
1992 3.35
¢ 0
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A
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TABLE 3.35-A 1' Z
CONSTRUCTION OF A SILT FENCE A 9.0' (MIN.) ORIGINAL � „ z
(WITHOUT WIRE SUPPORT) ELEV.GROU_
t ! ORGANIC MULCH i4SAT'1iiAi.S ATiI APPLICATION RATES ELEV. d� Z
1.5' EL=A Area 2 1.0' " W
1. SET THE STAKES. 2. EXCAVATE A 4"X 4" TRENCH Q
UPSLOPE ALONG THE LINE OF RATES:
STAKES. MULCHES: NOTES: PIPE OUTLET TCT WELL H 0 1
Per Acre Per 1000 sq. ft. DEFINE. CHANNEL DRY STORAGE D2 N j � V)
6'MAX. 67 CU. YD./ACRE 0
q1F PLAN VIEW
r- --- Straw or Hay 1$ - 2 tons 70 - 90 lbs. Free from weeds and coarse EL=B Area 1 �+ Z
f I / --' (Niinirztttm 2 matter. Must be anchored. 9' j
tons for Spread with mulch blower WET STORAGE
67 CU. YD. ACRE
winter cover) or by hand- o % � / Q1 ,
Fiber Mulch Minimum 35 lbs. Do not use as mulch for � a
FILTER CLOTH ORIGINAL O
1500 lbs. winter cover or during hot, 6' (EXCAVATED) GROUND
FLOW r ,- - dry, periods.* Apply as SECTION A -A � EL=C ELEV. � � N
slurry. FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMETER *
I"" W Q
{I III Corry Stalks 4 - b tons 185 - 275 lbs. Cut Ur shredded in 4-6" NOTES: 1. APRON LINING MAY BE CLASS Al RIPRAP, GROUTED RIPRAP, GABION *SEE PLATE 3.13-1 COARSE AGGREGATE CLASS I RIPRAP
�" BASKET, OR CONCRETE. e U) Ej
lengths. Air -died. I c not ® /� = A
3. STAPLE FILTER MATERIAL 4, BACKFILL AND COMPACT use in fine turf area.,;- Apply R S S S E T I N O F O U T L E T
TO STAKES AND EXTEND THE EXCAVATED SOIL. with mulch blower or by = In
IT INTO THE TRENCH. hand. 6 OUTLET PROTECTION(Opl)-
CLASSF
Wood Whips 4 - 6 tons 185 - 275 lbs. Free of coarse matter. Air- Cg Not To Scale T RIPRAP Q 0
LENGTH=6 FEET X DRAINAGE AREA ACREAGE '� W _j
dried. Treat with 12 lips 4
l nitrogen per tarn. Do not ENDWALL N T
Ul U
use in fine turf areas. apply DIVERSION
�... with mulch blower, chip
JillDIKE II{I handler, or by hand. �.�
Bark Chips 50 - 70 cu. 1-2 cu. yds. Free of coarse matter. Air- L
- FLOW = or yds. dried. Lea not use in fine
Shredded turf areas. Apply with TOE OF FILL CULVERT � `� '�-� � H
II =III Bark mulch blower, chip handler,
SHEET FLOW INSTALLATION or by hand.
(PERSPECTIVE VIEW) o /ds when straw /
FLOW shoulen fiber mulch d is h
e only available mulch during d be used, app y ata minimum rate of2000 lbs./ac. oro45 lbs /1000 sq. ft. r �i'_ JU ic. 1. 44 1183 IP
B COARSE AGGREGATE
Source. Va. DSWC EXCAVATED
AREA FILTER CLOTH
IIM11111=11II I � AAI ILC K=LMI I o 4TOE OF FILLPOINTS A SHOULD BE HIGHER THAN POINT B. M U U
DRAINAGEWAY INSTALLATION C9 Not To Scale o o **
(FRONT ELEVATION) SILT FENCE O COARSE AGGREGATE SHALL BE VDOT #3, #357 OR #J
DISTANCE IS 6' MINIMUM IF FLOW
TABLE 3.31-C IS TOWARD EMBANKMENT OUTLET (PERSPECTIVE VIEW)
TENIPORARY SEEDING PLANT MATERIALS, SEEDING RATES, AND DATES
ri_'% SILT FENCE(SF)7 CULVERT INLET PROTECTION(IP)ediment Trap Design DataFLOW
SEEDING RATE NORTHa 517U"1'Ht' ti°aCJ-3t1 511 8/15 21L5 511 911
Not To Scale SPECIES cxARneTBRISTacs Q)
Acre fOW ftz m to to to [o to
4130 8t15 I1/1 4(30 911 tills Cg Not To Scale Weir DA Wet D1 Wet Vol. Dry D2 Dry Vol. 1 _Q E
OATS 3be.(upto100�bs., 2lbs. X - - X - - Use springvarieties(e.g..Noble). No. A B C H (ft.) Z (ft.) Length (Acs.) Vol. (ft.) Cy Vol. (ft.} Cy
Avena a:,tiva not less than 50 LbsJ
/Ay �y,/�' RY£a 2 6u. (up to 110 16s., 2.s tbs. X - X X - X Use for late fall azedinga, winter (f t.) (R eq.) (P ro v.) (Req.) (P ra V.) U
T . T /� E �- (Secula e:� u mri lesv than 5U lbs.) cover.'Cale,sles rold and law TEMPORARY DIVERSION DIKE
111��� IIJJ 1�� ll�dd ll 11 d moisture.
C
GEEL\tAaY MILLET 50 lba. approx. I I6. - X - - X - Warm-seasua annual. Dies at first
1 478.00 476.00 473.00 1.0 3 3 0.51 34.2 3.0 34 34.2 2.0 45
(SOIL �y I IZ //� 11T L 5 NU italicttl frostMay May added to summer
1 r r a Mixes. Compacted Soil
ANNUAL RYEGRASS° 60 tbs. 15n lbs. X X X X May be added in rnixzs, Wilk
-y' �y d `jO (Luli m multi-Ilorum) mow out of most stands.
� T ! T / D � �j /6 WEEPING 15 lbs. 51h uu. - X - - X - Waun-season
mtvs ot, d May 18" min.rio'VEMPORARY SEDIMENT TRAP(ST)
1 �l �/ a' lX j•��, 116/ dpL� dL.�Y. L9VEGRAS3 bunch. Tolerates Lot, dry slopes
(Erasrostis curvula and acid, infertile soils. May be
-> aldelromxua. -Flow C9 Not To Scale
KOREAN 25 lbs. approx. 1'k X X - X X - Warm season annual legume. I I
LESPEDEZAc lbs. Tolerates acid soils. May be .--
ANCHOR SLOT ru stl uleeea added to mixes.
9 ao
1C 1 8 70' +A, IN. �
NOTES a Northern Piedmont and Mountain region. See Plates 3.22-1 and 3.22-2. Col1STRUCAON
L Southern Piedmont and Coastal Plain. 4.5' min. �y r"' r0 �`� i
APPROXIMATELY 200 STAPLES REQUIRE. C May be used as a cover crop with spring seeding. + +i�� C ESS � "" 3 alto- 2A ASPHALT TOP
PER 100 SLOTS,
Y.S. C MATERIAL ROLL. d May be used as a cover crop with £all seeding. i c ,
ANCHOR SLOTS, JUNCTION SLOTS & w TEMPORARY DIVERSION DIKE(DD)`` '� > �-
X I+iaybe planted between these dates. � �� � ��i � (if,
CHECK SLOTS TO BE BURIED 6" TO 12". May mt be planted between these dates. _ v
n sofa �. Per'`iifC;.MEI � �
12 MAX. 4:1 OR FLATTER
44
6 MAX. STEEPER THAN 4:1 0.1 Imo_
JUNCTION SLOT
O BJ AND END JOINTS 4 TEMPORARY SEEDING TS
CHECK SLOT * TO BE SNUGLY OIN TEQ I I II I I I I I I I PROFILE
(JUTE MESH WILL HAVE I C`7��yy Not To Scale
TERMINAL FOLD STAPLED LAP JOINT IN I '
LIEU OF EDGE JOINT) I STOs`�1I y P,11N
LAP JOINT 2" MIN. ' I I �+ r '
(JUTE MESH ONLY) I I
TAMP FIRMLY ' PERMANENT SEEDING SPECIFICATIONS CONSTRUCTION,t�•ASPIl LT 1=�NIEIDloft
ANCHOR SLOT I I I AC:-SS-S.,..' )' nL
5' MAX. 4:1 OR FLATTER � T C� ���-��HR�1.CK
3' MAX. STEEPER THAN 4:1 I I I FEBRUARY 16 THROUGH APRIL 30: �I�iUTL�'i j' �`�NDITI�1l� rJ
" I I Kentucky 31 Fescue - 128 lbs/acre; Red Top Grass - 2 lbs/acre; I a
2 I I Annual Rye - 20 Ibs/acre. Add 20 Ibs/acre Indian grass when slopes if r r' EKISTihw G
11 6" TO 12" I are greater than 3: 1. A A - t k 1 ,n�' 2 7. I,AVE'NAENTi 1,
I I I I I I I e J� - I ®�
I MAY 1 THROUGH AUGUST 15: �'2�11�1
I I I I Kentucky 31 Fescue - 128 lbs/acre; Red Tap Grass - 2 lbs/acre; _j -
3d
es Ind
ian
t - 20 Ib il Mill t Foxaes acre. Add 20 Ibs acre nan gross when slopes t 1 =0
* I I 1 I I I / / g P
CHECK SLOT are greater than 3:1.
I I I I d L W-cl� + La LPt)�1TIVE Dl,.+�ll�a>�"�G
*i E� T EXTE; 11 + FL3Li `,r I TH T�.� SLL)PvIENT
--� -�- 1" TO 2" I I AUGUST 16 THROUGH OCTOBER 31: OF INGRESS A�^1C EGRESS ��
TAMP CHECK SLOT I I I I I I I I I I Kentucky 31 Fescue - 128 Ibs acre• Red To Grass - 2 lbs/acre; acre- PIPE OUTLET TO FLAT TRAPPING DEVICE
2» FIRMLY y / P / AREA WITH NO DEFINED OP`=RAT 10N
Annual Rye - 20 Ibs/acre. Add 20 Ibs/acre Indian grass on slopes CHANNEL
VAR. VAR. greater than 3.1.
6" TO 12" " TO 8" MIN PLAN VIEW PLAN VIEW
PLAN
II�� � ® NOVEMBER 1 THROUGH FEBRUARY 15:
STAPLING D IAG RAM Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 Ibs/acre; Winter La
* Rye - 20 Ibs/acre. Add 20 lbs/acre Indian grass on slopes greater � '1 2' Ml�i. r ��,�
STAPLE FORMED FROM N0.11 STEEL WIRE. CHECK SLATS AT MIN. than 3:1. 'rP.AP IN [� eEVI10E
g" STAPLE MIN. LENGTH FOR SANDY SOIL. 50' G®C INTERVALS; o � � � 2 (>��E��ME'�1T � gg
NOT REQ.'D WITH ALL �_, PI?�, ���;"IC:E ®.1
6' STAPLE MIN. LENGTH FOR OTHER SOIL. "COMBINATION"BLANKETS MULCHING SPECIFICATIONS: - - -, 7'.,- , rt,. LL
Straw or hay at a rate of 2 tons/acre. Must be anchored. Spread with��;��
JUNCTION SLOT mulch blower or by hand. �-� n _
s�
w 1 '
TAMP TERMINAL FOLD SECTION A -A FILTER CLOTH KEY IN 6"-9": RECOMMENDED FOR ENTIRE PERIMETER
FIRMLY LIME AND FERTILIZER SPECIFICATIONS: FILTER. 1 L ' 1
I 12" TAMP FIRMLY Lime and fertilizer needs should be determined by soil tests. Soil tests SECTION A�--
I 14" may be preformed by the Cooperative Extension Service Soil Testing S p 0 c i fi c a t i o I'15
2» Laboratory at VPI&SU, or by a reputable commercial laboratory.LU
TO 12" Information concerning the State Soil Testing Laboratory is available from Pi e SCC La ft d ft W ft °A 111tiW11111111 Wiltef tap f 1 hill 1111tst be inistafled 'ith tl 1: iiliihimm 1 inch baflcoc
2 CITY Extension Agents. Under unusual conditions where It Is not possibleLU
to obtain a soil test, the following soil amendments will be applied: SCC Al 9 4.0 13.0 �dllltoffv oaf 111i 1y111l 7 :�l.Ai hose witti a diairietef 0f 1,5 i1 elm. fof'-ideclimte
For Permanent Seeding: Seeded areas shall be limed at a rate of 2 tons coiistaiA 1feg-Sllf e. �'� asli Nvater k1�1t1st be cam d �7wa-y ftcm1 the elift-alice to an loft J
per acre, and fertilized at a rate of 1,000 lbs. per acre of 10-20-10 (10 PIPES P2-P1 & 9 1.25 10.25 t
lbs. per 1,000 square feet] or equivalent. R2-R1 1i11��1°�`►ved se tt1tig brain to ieniove ;`3editneiA. _' �e(i1111 �t �11�11 lei* pfevelite � fi-011T
For Temporary Seeding: Seeded areas shall be limed at a rate of 2 tons Class Al Riprap for all outlets entel*g, stc1171t I`lrahis, tli(clieS oi- water ta111' e.%
per acre, and fertilized at a rate of 600 Ibs. per acre of 10-20-10 (10
SOURCE: VD®T -ROAD AND BRIDGE STANDARDS PLATE: 3.36-2 lbs. per 1,000 square feet) or equivalent. Date
K�9 OUTLET PROTECTION 02)04 f29/1 9
C9 1O SALE .
2 EC®2 EC®3 MATTING INSTALLATION Not To Scale
Scale
Cg Not To Scale - PERMANENT SEEDING PS
Sheet No,
C9 Not To Scale �1 CONSTRUCTION ENTRANCE CE c9 OF
C9 jNot To Scale FiIP Nn