HomeMy WebLinkAboutWPO202000023 Plan - VSMP 2020-04-20EROSION * SEDIMENT CONTROL PLAN FOR
FANTOF5 CORNER HOLIDAY INN EXPRE55
LEGEND
EXIST NEW DESCRIPTION WFO 202000023
165 TC x 125 TC TOP OF CURB ELEVATION
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165 TW x 125TW TOP OF WALL ELEVATION
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BENCHMARK RIVANNA DISITRICT, ALBEMARLE COUNTY, VIRGINIA
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SHEET INDEX
C I
- COVED 51-1EET
C2
- E5C NARRATIVE
C3
- E5C PLAN FIIA5E
C4
- E5C PLAN PI-1A5E 2
C5 - E5C DETAILS
PERMIT NARRATIVE
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This is an Erosion & Sediment Control Plan for a new construction permit for the Pantops Corner Holiday Inn Express
Site (TMP 78-58G1).
The site has a current VSMP approval under WPO 201800088 and a land disturbance permit VAR10E170.
These permits included all VSMP required items fro the Holiday Inn Express Site. The owner/operator who held the
VARlOE170 permit has sold the Holiday Inn Express Site to Pantops Partners, LLC. Pantops Porters, LLC has hired Shimp
Engineering, P.C. to prepare documentation for securing a new land disturbance permit for this site. This requires a new
registration statement, SWPPP, WPO Application, and Erosion & Sediment Control Bonds. This site is still covered by the
permanent Stormwater Management Plan approved in WPO 201800088. These stormwater bonds are still posted, as such
new SWM bonds are not needed.
This plan shows the erosion & sediment control items required for ongoing construction of the Holiday Inn Express. At
the date of submittal, mass grading has been generally completed and the building foundation is under construction. The
majority of remaining ESC items involve site stabilization, silt fence maintenance, and inlet protection. At the end of
construction, the underground detention system will need to be cleaned as part of permit release.
OWNER / DEVELOPER
PANTOPS PARTNERS LLC
11401 MCCABES GRANT TERRACE
HENRICO VA, 23233
LEGAL REFERENCE:
DB 5275 PG 289
ZONING:
TMP 78-58G1
HC - HIGHWAY COMMERCIAL, EC - ENTRANCE CORRIDOR
PER APPROVED APPLICATION PLAN. ZMA 2013-00002
SOURCE OF BOUNDARY & TOPO
BOUNDARY & TOPOGRAPHIC SURVEY INFORMATION FROM
FIELD SURVEY PROVIDED BY ROGER W. RAY & ASSOCIATES, INC. ON MARCH 23, 2018.
FIELD VERIFIED BY SHIMP ENGINEERING, P.C. (11/21/18).
BENCHMARK(S): NAVD88,
NAD83 VA STATE PLANE SOUTH
EXISTING USE
CONSTRUCTION - MASS GRADING UNDER PERMIT VARlOE170
PROPOSED USE
HOTEL BUILDING UNDER NEW DEQ PERMIT
FLOOD ZONE
ACCORDING TO THE FEMA FLOOD INSURANCE RATE MAP, EFFECTIVE DATE
FEBRUARY 4, 2005 (COMMUNITY PANEL 51003CO287D), PORTIONS OF THIS
PROPERTY LIE WITHIN THE ZONE AE 100-YEAR FLOOD PLAIN.
RELEVANT PLANS
Other plans involved with this Erosion Control plan:
WPO 201800088
SDP 201800089,
SUB 201900024
STEEP SLOPES
ALL ONSITE MANAGED & PRESERVED SLOPES ARE SHOWN.
WATERSHED
THIS SITE LIES WITHIN THE UPPER RIVANNA RIVER WATERSHED.
THIS SITE IS NOT WITHIN A WATERSHED OF A PUBLIC WATER SUPPLY.
LAND USE SCHEDULE
PROPOSED AREA %
NEW IMPERVIOUS 90,122 SF 71.8%
TURF/OPEN SPACE 35,471 SF 28.2%
TOTAL= 125,593 SF (2.88 AC.)
AREA OF DEVELOPMENT = 2.88 ACRES
LIMITS OF DISTURBANCE = 2.83 ACRES
APPROVED
by the Albemarle County
Community Development Department
Date 04/29/2020
File WP0202000023
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.
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 with section 13-301 of the Code of 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 that 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 right to install, maintain, remove or convert to permanent 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 stabilization shall be temporary seeding and mulching. Seeding is to be at 75 Ibs/acre, and in the months of September to February to consist a 50/50 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 80lbs/100sf.
Alternatives are subject to approved by the County erosion control inspector.
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% 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 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)
GENERAL CONSTRUCTION NOTES
1. Prior to any construction within any existing public right-of-way, including connection to any existing road, a permit shall be obtained from the Virginia Department of Transportation (VDOT).
This plan as drawn may not accurately reflect the requirements of the permit. Where any discrepancies occur the requirements of the permit shall govern.
2. All materials and construction methods shall conform to current specifications and standards of VDOT unless otherwise noted.
3. Erosion and siltation control measures shall be provided in accordance with the approved erosion control plan and shall be installed prior to any clearing, grading or other construction.
4. All slopes and disturbed areas are to be fertilized, seeded and mulched.
5. The maximum allowable slope is 2:1 (horizontal: vertical). Where reasonably obtainable, lesser slopes of 3:1 or better are to be achieved.
6. Paved, rip -rap or stabilization mat lined ditch may be required when in the opinion of the County Engineer, or designee, it is deemed necessary in order to stabilize a drainage channel.
7. All traffic control signs shall conform with the Virginia Manual for Uniform Traffic Control Devices.
8. Unless otherwise noted all concrete pipe shall be reinforced concrete pipe - Class III.
9. All excavation for underground pipe installation must comply with OSHA Standards for the Construction Industry (29 CFR Part 1926).
PROJECT DESCRIPTION, GENERAL NOTES, EROSION & SEDIMENT CONTROL NOTES, AND SEQUENCE OF CONSTRUCTION
.i
r COUNTY OF ALBEMARLE
- orient of Communily r-sevelapment
Construction Record Drawings (As -built) for VSMP
The following is a last of inf0rfM1i0fl required on construction record drawings for
stormwater facilities preference Water Proteetion Ordinance 17422), It is pr rable that the
construc iiIon record drawing be pre red barsomeone ether than the designer. Please do not
provide design drawings as comvtruction record drawings.
A. A si,gnod and dated pn4mianal seal -of Lhe preparing engin+:cr(r survey r,
S. The name and address of the firm and individual preparing the drawings on the title sheet.
_ The constructed location of all itemq associated with each facility, and the inspection records to verify
proper dimensions, materials and irtstallalion. 1-be items include, but am. not lir€riled to llc following:
1. inspection Records and photographs for pipe trenches and bedding, including underdrains_
2. Video Pipe Inspection fur any pipes which a c not accessible or viewable.
3. Updated Location with gemcoordinates ofall facilities.
4. Verified Drainage Area maps for the drainage area created, wid for drainage to the facilities.
5. Current physical and topographic surveq fur all eartheu Uruclures. fonds should include: a surrey
at the pcmd bottom_ Surveys should verify pond volumes% are per design_ Corrections may he required
for operations frum 1Q design.
Plants, location and type.
7. Plans and profllet fox all culverts, Ulpes, Rl ri, Weirs and Drainage Structures - Display the
iinstallecl lype of drainage s"cturus, culverYpipc size, weirs, materials, inlets or end trualmont(s),
inlet and outlet protection, aligninent and invert elevations coni pared to design_
S. compu (at] ons. For signipicanI dc:utations from design} provide waled computations vayrifying diAL
the as built condition is equivalent of utter than design.
. Otter i.in s - Display the constructed location of all ditch lines and flannels, including typical
seclrens and linings.
10_ Easements - Show al I piatted easeinenu; with dead book references labeled. Facilities and drainage
must he within pltttt d casernenis. 11rovi& copies of =micd c m-urnc nts.
11. Guardrail, fence or other safety provisions - Displays the construct J tion of all safety
provisions, fences, guardrail, including the type, length and applied end treatments, compared to
dc'-sign.
12. Material lavers - biofiIter media, stone layers, sand layers, keyways and cores -must be verif~ted as to
inateria.l types and depute. Include inspection reports, Nwing -or te-q pit mports and materials
c:crlifications. Biof`>ther media roust be an apppDved stale mix.
13. Access roads - show Ircation of access-.; roads, surface treatment, drainage, etc, as applicable.
14. Compaction reports arc re uircd to verify fill wrnpaclion in dams.
15. Manufacturers certiftcations for proprietary BM-P's certifying proper installation and Cunctioning.
PROJECT DESCRIPTION
THIS SITE IS A GRADED LOT AT NEAR RT 20 IN ALBEMARLE COUNTY BEING DEVELOPED INTO A
HOTEL.
THE LIMITS OF DISTURBANCE IS 2.83 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 EXISTING SITE IS CLEARED AND HAS A CURRENT GRADING PERMIT.
ADJACENT PROPERTIES
THIS PROPERTY IS BORDERED TO THE NORTH BY FORESTED LOTS, WEST, EAST AND SOUTH BY
EXISTING STREETS.
OFFSITE AREAS:
SOIL MAY NEED TO BE EXPORTED FROM THE SITE TO SITES WHICH SHALL HAVE EROSION CONTROL
PERMITS.
SOILS
THE SITE CONTAINS THE FOLLOWING
SOIL TYPES:
12C -
CATOCTIN SILT LOAM -
7 TO 15% SLOPES, HSG B
12D -
CATOCTIN SILT LOAM -
15 TO 25% SLOPES, HSG B
23B -
DAVIDSON CLAY LOAM
- 2 TO 7% SLOPES, HSG B
27C -
DAVIDSON CLAY LOAM
- 7 TO 15% SLOPES, HSG B
88 -
UDORTHENTS, LOAMY -
2 TO 25% SLOPES, HSG B
CRITICAL AREAS
THE CRITICAL AREAS ON THE SITE ARE THE MANAGED AND PRESERVED SLOPES. CARE SHALL BE
TAKEN TO CONTROL EROSION IN THESE AREAS.
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. RIGHT-OF-WAY DIVERSION: A RIDGE OF COMPACTED SOIL OR LOOSE GRAVEL CONSTRUCTED
ACROSS A DISTURBED RIGHT-OF-WAY OR SIMILAR SLOPING AREA TO SHORTEN THE FLOW
LENGTH WITHIN THE DISTURBED STRIP AND DIVERT THE RUNOFF TO A STABILIZED OUTLET.
EARTHEN DIVERSIONS ARE APPLICABLE WHERE THERE WILL BE LITTLE OR NO CONSTRUCTION
TRAFFIC WITHIN THE RIGHT-OF-WAY, AND GRAVEL STRUCTURES ARE APPLICABLE WHERE
VEHICULAR TRAFFIC MUST BE ACCOMMODATED. STD. AND SPEC. 3.11.
4. 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 14 DAYS. TEMPORARY SEEDING SHALL BE
APPLIED IN CONFORMANCE WITH STD. AND SPEC. 3.31.
5. 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.
6. 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.
7. INLET PROTECTION: INLET PROTECTION MEASURES AROUND THE NEW INLETS SHALL BE PROVIDED
IN ACCORDANCE WITH STD. AND SPEC. 3.07. SILT FENCE, STRAW BALES OR TEMPORARY STONE
APPLICATIONS SHALL BE APPLIED AS APPROPRIATE FOR CURRENT GRADE CONDITIONS.
PERMANENT STABILIZATION AND SEQUENCE OF CONSTRUCTION
THE FOLLOWING ARE THE PROPOSED MANAGEMENT STRATEGIES AND DETAILED SEQUENCE OF
CONSTRUCTION:
1. INSTALL CONSTRUCTION ENTRANCE OFF ROAD B. TRUCKS SHALL BE CLEANED PRIOR TO LEAVING
SITE.
2. INSTALL AND/OR MAINTAIN SILT FENCE, ROW DIVERSION, AND INLET PROTECTION AS SHOWN ON
C3.
3. CONTACT THE ENGINEER AND ALBEMARLE COUNTY FOR INSPECTION AND APPROVAL OF ALL E&S
CONTROL MEASURES.
4. UPON APPROVAL OF E&S CONTROL MEASURES, BEGIN BUILDING CONSTRUCTION.
5. MAINTAIN PERIMETER CONTROLS DURING CONSTRUCTION.
6. INSTALL ADDITIONAL CONTROL MEASURES AS SHOWN ON SHEET C4.
7. AS AREAS ARE BROUGHT TO GRADE, APPLY MULCHING, TEMPORARY SEEDING AND PERMANENT
SEEDING.
8. WHEN SITE HAS ACHIEVED PERMANENT STABILIZATION, CONTACT ALBEMARLE COUNTY INSPECTOR
TO PERFORM FINAL INSPECTION.
9. WHEN INSPECTOR HAS GRANTED APPROVAL, REMOVE PERIMETER CONTROLS.
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.
STORMWATER MANAGEMENT NARRATIVE:
1. STORMWATER MANGAGEMENT WAS DESIGNED UNDER WPO 201800088. ALL
CONCENTRATED ONSITE RUNOFF SHALL BE ROUTED INTO CHANNELS AT RATES
THAT COMPLY WITH VA TYPE 11C SWM REULATIONS AS THE SITE WAS
GRANDFATHERED INTO A TYPE IIC SWM PERMIT.
2. WATER QUANTITY WAS ADDRESSED PER 9VAC25-870-97&98 (TYPE IIC REGS).
AT EACH POINT OF ANALYSIS, THE POSTDEVELOPMENT 2-YR AND 10-YR PEAK
RUNOFF IS LESS THAN THE PREDEV PEAK RUNOFF.
3. WATER QUALITY WAS ADDRESSED PER 9VAC25-870-96 (TYPE IIC REGS) WITH
THE PURCHASE OF 8.49 LBS OF PHOSPHOROUS NUTRIENT CREDITS TO SATISFY
THE NUTRIENT LOAD REDUCTION AS SET FORTH BY THE DEQ IN THE VIRGINIA
STORMWATER MANAGEMENT PROGRAM.
UNDERGROUND DETENTION MAINTENANCE NOTES:
1. ALL PROPERTIES WHICH RELEASE RUNOFF INTO THE UNDERGROUND DETENTION SHARE
MAINTENANCE RESPONSIBILITY. ALL PROPERTY OWNER SHALL CONTRIBUTE TO THE
FOLLOWING MAINTENANCE ITEMS:
2. INSPECT THE 3 TRASH SCREENS AT DETENTION INLET AREAS TWICE PER YEAR, IN THE
SUMMER AND IN THE WINTER. CLEAN OUT DEBRIS WITH VAC -TRUCK DURING
INSPECTION. REPAIR SCREENS IF NEEDED.
3. INSPECT WEIR PLATE ORIFICES, TRASH RACKS, AND WELDS ANNUALLY. REMEDY ANY
CLOGS OR FAILURES, AND REPLACE ORIFICE TRASH RACKS IF NEEDED.
4. INSPECT GENERAL SYSTEM DEBRIS ACCUMULATION ONCE EVERY 2 YEARS. IF DEBRIS OR
SEDIMENT IS NOTICED, CLEAN OUT SYSTEM WITH A VAC -TRUCK USING ACCESS RISERS.
MINIMUM STANDARDS (MSL
All applicable Virginia Erosion and Sediment Control Regulations and Minimum
Standards shall be adhered to during all phases of construction. These
include, but are not limited to the following:
1. STABLIZATION 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 7 days. Permanent stabilization shall be
applied at areas that are to be left dormant for more than 30 days.
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 place.
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. CUT 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.
10. 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.
11CROSSING 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.
L .SHMP>
Lie. 5183
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TMP 78- 6 SEQUENCE OF CONSTRUCTION - PHASE 1
M AL_L_OY VI I - 1. MASS GRADING OF THE SITE IS MOSTLY COMPLETED. GRADES ARE
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' I I PLACE STONE IN PARKING PAD AREA FOR CONSTRUCTION ROAD
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SOIL EROSION & SEDIMENT CONTROL SYMBOLS
SYMBOL N0. TITLE KEY
3.02
PAVED CONSTRUCTION ENTRANCE
PCE
3.03
CONSTRUCTION ROAD STABILIZATION
CRS
3.05
SILT FENCE
SF
3.07
INLET PROTECTION
SF
3.09
RIGHT OF WAY DIVERSION
3.31
TEMPORARY SEEDING
TS
3.32
PERMANENT SEEDING
PS
3.35
MULCH
MU
BLANKET MATTING
BM
TREE
PROTECTION FENCING
LIMITS
OF DISTURBANCE: 2.83 AC
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Sheet No.
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File No.
12.025
SEQUENCE OF CONSTRUCTION - PHASE 2 o
TMP 78-6
M AL-L-OY VI 1— 1. MAINTAIN PERIMETER CONTROLS. INSTALL NEW CONTROL MEASURES AS
w �6
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1 I 4. INSTALL SILT FENCE ALONG FINISHED CURB AND SIDEWALK WHERE ANY FINAL W
FINE GRADING ACTIVITY OCCURS. I` Z a-
�' 5. SITE MUST BE FULLY STABILIZED BEFORE REMOVAL OF SILT FENCING. W o I
6. AS AREAS ARE BROUGHT TO GRADE, APPLY MULCHING, TEMPORARY SEEDING a o
AND PERMANENT SEEDING.
/ / / / / / - �Y—i-
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Scale
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Sheet No.
C4 OF 5
File No.
12.025
CONSTRUCTION OF A SILT FENCE
(WITH
WIRE SUPPORT)
1. SET POSTS AND EXCAVATE A 4"X4"
2. STAPLE WIRE FENCING TO THE POSTS.
TRENCH UPSLOPE ALONG THE LINE
OF POSTS.
FLOW —III
3. ATTACH THE FILTER FABRIC TO THE WIRE
FENCE AND EXTEND IT INTO THE TRENCH
4
FLOW
4. BACKFILL AND COMPACT THE
EXCAVATED SOIL.
EXTENSION OF FABRIC AND WIRE INTO THE TRENCH.
FILTER FABRIC
— WIRE
SILT FENCE (SF) W. WIRE SUPPORT
Not To Scale
GRAVEL CURB INLET SEDIMENT
FIL TER
GRAVEL FILTER
RUNOFF WATER
4
IIIII� RE
o d
SEDIMENT ��I o
a
CONCRETE GUTTER 12'
SPECIFIC APPLICATION
-12'
WIRE MESH
FILTERED WATER
o d
FF
4
e —
4
o Ilj
A lll
CURB INLET
THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS
WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO CAUSE
INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND UNPROTECTED
AREAS.
* GRAVEL SHALL BE VDOT #3, #357 OR 5 COARSE AGGREGATE
3 INLET PROCTION IP)
C 5 Not To Scale
1992 3.35
Source: Va. DSWC
TABLE 3.35-A
O1tGANiC MULCH MATERIALS AND APPLICATION RATES
RATES:
MULCHES:
NOTES:
per Acre
Per 1000 sq. ft.
Straw or Hay
1'� - 2 tons
70 - 90 lbs.
Free from weeds and coarse
(Minimum 2
matter. Must be anchored.
tons for
Spread with mulch blower
winter cover}
or by hand.
Fiber Mulch
Minimum
35 lbs.
Do not use as mulch for
1500 lbs.
winter cover or during hat,
dry periods.* Apply as
slurry.
Corn Stalks
4 - 6 tons
185 - 275 lbs.
Cut or shredded in 4-6"
lengths. Air-dried. Do not
use in fine turf areas. Apply
with mulch blower or by
hand.
Wood Chips
4 - 6 tons
185 - 275 lbs.
Free of coarse matter. Air-
dried. Treat with 12 lbs
nitrogen per ton. Do not
use in fine turf areas. Apply
with mulch blower, chip
handler, or by hand.
Bark Chips
50 - 70 cu.
1-2 cu. yds.
Free of coarse matter. Air -
or
yds.
dried. Do not use in fine
Shredded
turf areas. Apply with
Bark
mulch blower, chip handler,
or by hand.
* When fiber mulch is the only available mulch during periods when straw
should be used, apply at a minimum rate of 2000 lbs./ac. or 45 lbs./1000 sq. ft.
5 MULCHING(MU)
C 5 Not To Scale
TABLE 3.39-A
ADHESIVES USED FOR DUST CONTROL
Water Application
Dilution Type of Rate
Adhesive (Adhesive: Water) Nozzle Gallons/Acre
Anionic
Asphalt Emulsion 7:1 Coarse Spray 1,200
Latex Emulsion 12.5:1 Fine Spray 235
Resin in Water 4:1 Fine Spray 300
Acrylic Emulsion
i fl_....
(Non -Traffic) 7:1 Coarse Spray 450
Acrylic Emulsion
I
(Traffic) 3.5:1 Coarse Spray 350
pow/ \
r
00
TRIANGULAR BOARD FENCE
DRIP LINE
SNOW FENCE
BOARD FENCE
00
000
TRUNK ARMORING
CORD FENCE
CORRECT METHODS OF TREE FENCING
TREE PROTECTION FENCING
Not To Scale
TYPICAL GRAVEL STRUCTURE
RIGHT OF WAY DIVERSION (RWD
Not To Scale
DUST CONTROL (DC
Not To Scale
TABLE 3.31-C
TEMPORARY SEEDING PLANT MATERIALS, SEEDING RATES, AND DATES
N
W
.�
SEEDING RATE
NORTHa
SOUTHb
PLANT
3/1
5/1
8/15
2/15
5/1
9/1
SPECIES
CHARACTERISTICS
Acre
1000 fr2
to
to
to
to
to
to
4/30
8/15
11/1
4/30
9/1
11/15
OATS
3 bu. (up [0 100 lbs.,
2 lbs.
X
-
-
X
-
-
Use spring varieties (e.g., Noble).
(Avena saliva
not less than 50 lbs.)
RYEd
2 bu. (up to 110 lbs.,
2.5 lbs.
X
-
X
X
-
X
Use for late fall seedings, winter
Secale cereale
not less than 50 lbs.)
covet. Tolerates cold and low
moisture.
GERMAN MILLET
50 lbs.
approx. 1 lb.
-
X
-
-
X
-
Warm -season annual. Dies at first
Setaria italica
frost. May be added to summer
mixes.
ANNUAL RYEGRASS`
60 lbs.
/z
1'lbs.
X
-
X
X
-
X
May be added in mixes. Will
Lolium multi-florum)
mow out of most
)TEMPORARY SEEDING TS
C 5 Not To Scale
TEMPORARY VE S O E
Compacted Soil
18" min.
Flow
4.5' min.
DIVERSION DIKE (DD
Not To Scale
/ice11 E�� /jam»
STONE
CONSTRUCTION
ACCESS —�
ST0\E
ACCESS
70' MIN.
3" SM-2A ASPHALT TOP
C'I
27,
MIN, 2'A .AG;HaGA1= BASE
PROFILE
70' M'N.
A ASPIIALT PN ED
�WASHRACK
VEXISTING
PAVEMENT
EXISTING
^ 2°0 2% PAVEME?VTJ
r 2% ' 2' MIN.*
*P4'U'S- EXTEND FL,L_ 'II— POSIT':VF. DRAINAGE
TO SEDIMENT
OF INGRESS AND EGRESS TRAPPING DEVICE
OPERATION
PLAN
1 VI'�. 1POSHVIE DRAINAGE
2� TO SEDIMENT
TRAPPING nFVICF
SECTION A —A
A milllnnlnl water tap of 1 illch lllus-t be installed ""I a lllinillluln 1 inch ballcock
shutoff W.'i"ll ho e),ti7th a (liallleter of 1. inches for "Idequate
Constant pl'esSul'e. '"Tash water nlllst be canieil awa}' ffoln the entrance to all
apl?ro5 eil settlul�� area to relmove sediment All sednnent sllall be prevented fionl
elltelillf, stoma (trains, ditclle,_, or watercourses.
PAVED WASH RACK
PAVED CONSTRUCTION ENTRANCE (PCE)
Not To Scale
PERMANENT SEEDING SPECIFICATIONS
February 16 through April 30:
Kentucky 31 Fescue — 128 lbs/acre; Red Top Grass — 2 lbs/acre;
Annual Rye — 20 lbs/acre.
May 1 through August 15:
Kentucky 31 Fescue — 128 lbs/acre; Red Top Grass — 2 lbs/acre;
Foxtail Millet — 20 lbs/acre.
August 16 through October 31:
Kentucky 31 Fescue — 128 lbs/acre; Red Top Grass — 2 lbs/acre;
Annual Rye — 20 lbs/acre.
November 1 through February 15:
Kentucky 31 Fescue — 128 lbs/acre; Red Top Grass — 2 lbs/acre; Winter
Rye — 20 lbs/acre.
MULCHING SPECIFICATIONS:
Straw or hay at a rate of 2 tons/acre. Must be anchored. Spread with
mulch blower or by hand.
LIME AND FERTILIZER SPECIFICATIONS:
Lime and fertilizer needs should be determined by soil tests. Soil tests
may be preformed by the Cooperative Extension Service Soil Testing
Laboratory at VPI&SU, or by a reputable commercial laboratory.
Information concerning the State Soil Testing Laboratory is available from
CITY Extension Agents. Under unusual conditions where it is not possible
to obtain a soil test, the following soil amendments will be applied:
For Permanent Seeding: Seeded areas shall be limed at a rate of 2 tons
per acre, and fertilized at a rate of 1,000 lbs. per acre of 10-20-10 (10
lbs. per 1,000 square feet) or equivalent.
For Temporary Seeding: Seeded areas shall be limed at a rate of 2 tons
per acre, and fertilized at a rate of 600 lbs. per acre of 10-20-10 (10
lbs. per 1,000 square feet) or equivalent.
LOW MAINTENANCE GROUND COVER:
SOUTHEAST NATIVE GRASS SEED MIX (AMERICAN MEADOWS INC.)
For slopes steeper than 3:1 grade, Mix the following seeds at 30 lbs/acre
each:
Virginia Wildrye (Elymus virginicus), Little Bluestem Grass (Schizachyrium
scoparium), Purpletop (Tridens flavus), Broomsedge (Andropogon virginicus),
and Indian Grass (Sorghastrum nutans).
PERMANENT SEEDING (PS
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Date
04 15/2020
Scale
Sheet No.
C5 OF 5
File No.
12.025