HomeMy WebLinkAboutWPO201600005 Plan - Stormwater WPO VSMP 2016-02-09V5MF FLAN fOR
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- Riverside Village Properties, Inc.
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Charlattesville, VA 22902
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Per Approved Application Plan. ZMA 2012-00002.S�ONAL E
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IMAGE PROVIDED BY GOOGLE MAPS
SHEET INDEX
C I - EROSION * SEDIMENT CONTROL COVER S1-IEET
C2 - EROSION * SEDIMENT CONTROL NARRATIVE
C3 - FHA5E I ER05ION * SEDIMENT CONTROL PLAN
C4 - PHA5E 2 ER05ION * SEDIMENT CONTROL FLAN
C5 - ERO5ION * SEDIMENT CONTROL DETAILS
SOURCE OF TITLE
Tax Map 78, Parcel 58
DB 4.150 PG 20
BENCHMARK
Datura for topography is NAVD88.
SOU RCE OF BOUNDARY & TOPO
Source of Boundary Survey:
Roger W. Ray & Associates. Dated: 10/15/12.
Source of Topography:
Two (2) foot contours shown from an airborne survey under the supervision of
James H. Bell, Jr. aerial topography from Louisa Aerial Surveys, Inc. Dated: 03/10/12.
S TORMWATER MANAGEMENT
Stcrmwater measures for this block approved under WPO 2014 00074. The final
design shows a decrease in impervious area from the approved plan.
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IMAGE PROVIDED BY GOOGLE MAPS
SHEET INDEX
C I - EROSION * SEDIMENT CONTROL COVER S1-IEET
C2 - EROSION * SEDIMENT CONTROL NARRATIVE
C3 - FHA5E I ER05ION * SEDIMENT CONTROL PLAN
C4 - PHA5E 2 ER05ION * SEDIMENT CONTROL FLAN
C5 - ERO5ION * SEDIMENT CONTROL DETAILS
SOURCE OF TITLE
Tax Map 78, Parcel 58
DB 4.150 PG 20
BENCHMARK
Datura for topography is NAVD88.
SOU RCE OF BOUNDARY & TOPO
Source of Boundary Survey:
Roger W. Ray & Associates. Dated: 10/15/12.
Source of Topography:
Two (2) foot contours shown from an airborne survey under the supervision of
James H. Bell, Jr. aerial topography from Louisa Aerial Surveys, Inc. Dated: 03/10/12.
S TORMWATER MANAGEMENT
Stcrmwater measures for this block approved under WPO 2014 00074. The final
design shows a decrease in impervious area from the approved plan.
PROJECT DESCRIPTION, GENERAL NOTES, EROSION & SEDIMENT CONTROL NOTES, AND SEQUENCE OF CONSTRUCTION
PERMANENT SEEDING SPECIFICATIONS (PS)
February 16 through April 30:
Kentucky 31 Fescue - 128 lbs/acre; Red Top Grass - 2 lbs/acre; Annual Rye - 20 lbs/acre.
Add 20 lbs/acre of Crownvetch and reduce Kentucky 31 Fescue to 108 lbs/acre whein slopes
are greater than 3:1.
May 1 through August 15:
Kentucky 31 Fescue - 128 lbs/acre; Red Top Grass - 2 lbs/acre; Foxtail Millet - 2.0 lbs/acre.
Add 20 lbs/acre of Crownvetch and reduce Kentucky 31 Fescue to 108 lbs/acre whein slopes
are greater than 3:1.
August 16 through October 31:
Kentucky 31 Fescue - 128 lbs/acre; Red Top Grass - 2 lbs/acre; Annual Rye - 20, lbs/acre.
Add 20 lbs/acre of Crownvetch and reduce Kentucky 31 Fescue to 108 lbs/acre whein slopes
are greater than 3:1.
November 1 through February 15:
Kentucky 31 Fescue - 128 lbs/acre; Red Top Gross - 2 lbs/acre; Winter Rye - 20 lbs/acre.
Add 20 lbs/acre of Crownvetch and reduce Kentucky 31 Fescue to 108 lbs/acre whein slopes
are greater than 3:1.
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
County 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, sand
fertilized at a rate of 1,000 lbs. per acre of 10-20-10 (23 lbs. per 1,000 square fefet) or
equivalent.
For Temporary Seeding: Seeded areas shall be limed at a rate of 2 tons per acre, aind
fertilized at a rate of 600 lbs. per acre of 10-20-10 (14 lbs. per 1,000 square feet;) or
equivalent.
Permanent Seeding
W Not To Scale
TABLE 3.31-B
1.
ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS
ALBEMARLE, ZONED NMD. THE PROPOSAL IS THE CONSTRUCTION OF NEW
"QUICK REFERENCE FOR ALL REGIONS"
THE INFORMATION AND DATA SHOWN OR INDICATED WITH RESPECT TO THE
CONDOMINIUM BUILDING WITH ASSOCIATED ROADS AND UTILITIES.
Rate
Planting Dates Species
(tbs./acre)
Sept. 1 - Feb. 15 50/50 Mix of
BASED ON INFORMATIDN AND DATA FURNISHED TO THE OWNER AND
Annual Ryegrass
(Lolium multi-florum)
&
50- 100
Cereal (Winter) Rye
(Secale cereale)
Feb. 16 - Apr. 30 Annual Ryegrass
60-100
(Lolium multi-florum)
May 1 - Aug 31 Gelman Millet
50
(Setaria italica)
COORDINATION OF THE WORK WITH OWNERS OF SUCH UNDERGROUND
Source: Va. DSWC
2 Temporary Seeding TS
C2 Not To Scale
GENERAL NOTES
PROJECT DESCRIPTION
THIS SITE IS A CLEARED AND PREPARED SITE WITHIN THE COUNTY OF
1.
ALL ELEVATIONS INDICATED REFER TO SITE DATUM OF NAVD88.
ALBEMARLE, ZONED NMD. THE PROPOSAL IS THE CONSTRUCTION OF NEW
2.
THE INFORMATION AND DATA SHOWN OR INDICATED WITH RESPECT TO THE
CONDOMINIUM BUILDING WITH ASSOCIATED ROADS AND UTILITIES.
EXISTING UNDERGROUND UTILITIES AT OR CONTIGUOUS TO THE SITE ARE
BASED ON INFORMATIDN AND DATA FURNISHED TO THE OWNER AND
THE TOTAL AREA OF DISTURBANCE IS 1.13 ACRES
ENGINEER BY THE OVIVNERS OF SUCH UNDERGROUND FACILITIES OR OTHERS.
THE OWNER OR ENGINEER SHALL NOT BE RESPONSIBLE FOR THE
THE PROJECT INVOLVES THE FOLLOWING WORK ACTIVITIES:
ACCURACY OR COMPLETENESS OF SUCH INFORMATION OR DATA. THE
CONTRACTOR SHALL HAVE FULL RESPONSIBILITY FOR CONFIRMING THE
1. THE CONTRACTOR SHALL OBTAIN ALL LOCAL AND STATE EROSION AND
ACCURACY OF THE DATA, FOR LOCATING ALL UNDERGROUND UTILITIES, FOR
SEDIMENT PERMITTING REQUIREMENTS AND MAINTAIN ALL EROSION AND
COORDINATION OF THE WORK WITH OWNERS OF SUCH UNDERGROUND
SEDIMENT CONTROLS IN ACCORDANCE WITH THE PERMIT REQUIREMENTS.
UTILITIES DURING CONSTRUCTION, FOR THE SAFETY AND PROTECTION
2. INSTALLATION OF TEMPORARY AND PERMANENT EROSION AND SEDIMENT
THEREOF AND REPAIRING ANY DAMAGE THERETO RESULTING FROM THE
CONTROL MEASURES AS SHOWN ON THE PLAN AND DETAILS.
WORK. ALL OF THESE CONDITIONS SHALL BE MET AT NO ADDITIONAL
3. INSTALLATION OF STORM SEWER FOR SITE DRAINAGE.
COST TO THE OWNER_ THE CONTRACTOR SHALL CONTACT "MISS UTILITIES"
4. CONSTRUCTION OF STRUCTURES AND PARKING AREAS SHOWN ON THE SITE
OF VIRGINIA AT 1-80)0-552-7001 PRIOR TO THE START OF WORK.
DEVELOPMENT PLAN.
3.
WHEN WORKING ADJACENT TO EXISTING STRUCTURES, POLES, ETC., THE
CONTRACTOR SHALL USE WHATEVER METHODS THAT ARE NECESSARY TO
PROTECT STRUCTURES FROM DAMAGE. REPLACEMENT OF DAMAGED
EXISTING SITE CONDITIONS
STRUCTURES SHALL BE AT THE CONTRACTOR'S EXPENSE.
PRIOR TO INITIAL GRADING THE SITE WAS FORESTED. MASS GRADING ACTIVITIES
4.
THE CONTRACTOR 'SHALL BE RESPONSIBLE FOR PROTECTING ALL EXISTING
SINCE JULY OF 2014 HAVE CLEARED THE SITE AND MASS GRADED THE SITE, AS
SITE STRUCTURES FROM DAMAGE AND COORDINATING WORK SO THAT THE
SHOWN IN THE CURRENT FIELD SURVEY IN THIS PLAN.
OWNER CAN MAKE NECESSARY ARRANGEMENTS TO MODIFY/PROTECT
EXISTING STRUCTURES FROM DAMAGES.
ADJACENT PROPERTIES
5.
THE CONTRACTOR 'SHALL BE RESPONSIBLE FOR NOTIFYING ALL UTILITY
THIS PROPERTY IS BORDERED TO THE NORTH AND EAST BY SINGLE-FAMILY
OWNERS, ADJACENT LAND OWNERS WHOSE PROPERTY MAY BE IMPACTED AND
ATTACHED LOTS, AND TO THE SOUTH AND WEST BY FORESTED PARK LAND.
THE VIRGINIA DEPARTMENT OF TRANSPORTATION PRIOR TO COMPLETING ANY
OFF-SITE WORK.
OFF-SITE AREAS
6.
CONTRACTOR SHALL NOTIFY AND COORDINATE ALL WORK INVOLVING
NO OFF-SITE (OUTSIDE OF PROJECT LIMITS) LAND DISTURBING ACTIVITIES WILL
EXISTING UTILITIES WITH UTILITY OWNERS, AT LEAST 72 HOURS PRIOR TO THE
TAKE PLACE IN THE COURSE OF THIS PROJECT.
START OF CONSTRUCTION.
7.
CONTRACTOR SHALL IMMEDIATELY REPORT ANY DISCREPANCIES BETWEEN
SOILS
EXISTING CONDITIONS AND CONTRACT DOCUMENTS TO THE OWNER AND
REFER TO PREVIOUSLY APPROVED MASS GRADING PLAN, WPO 2014-21, FOR
ENGINEER.
LOCATIONS AND DESCRIPTIONS OF IN SITU SOILS.
8.
CONTRACTOR SHALL SUBMIT FOR THE APPROVAL OF THE OWNER
SUBMITTALS OF ALL SPECIFIED MATERIALS LISTED IN THE PLANS, TO
CRITICAL EROSION AREAS
INCLUDE SHOP DRAWINGS, MANUFACTURER'S SPECIFICATIONS AND
THERE ARE NO AREAS ON THIS SITE WITH CRITICAL EROSION CONCERNS.
LABORATORY REPORTS. THE OWNER'S APPROVAL OF SUBMITTALS WILL BE
PERMANENT STABILIZATION
GENERAL AND WILL NOT RELIEVE THE THE CONTRACTOR FROM THE
THOSE AREAS OF THE SITE WHICH WILL NOT BE ULTIMATELY PAVED WILL HAVE
RESPONSIBILITY OF ADHERENCE TO THE CONTRACT AND FOR ANY ERROR
THAT MAY EXIST.
PERMANENT SEEDING ESTABLISHED, AS WELL AS TREES AND SHRUBS.
STORM WATER MANAGEMENT:
STORM WATER MANAGEMENT IS ADDRESSED BY AN INFILTRATION TANK, AS
SHOWN IN APPROVED WPO 2014 00074.
EROSION & SEDIMENT CONTROLS
1. SAFETY FENCE: A PROTECTIVE BARRIER INSTALLED TO PROHIBIT
UNDESIRABLE USE OF AN EROSION CONTROL MEASURE. STD. AND
SPEC. 3.01.
2. 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. THE EXISTING ENTRANCE IS A
STONE CONSTRUCTION ENTRANCE AS APPROVED ON THE MASS
GRADING PLANS. THIS ENTRANCE MAY REMAIN IN PLACE PROVIDED
THAT THE CONTRACTOR KEEPS MUD AND DIRT OFF OF THE PUBLIC
STREET. IF TRACKING OF MUD ONTO ROADWAYS OCCURS THE COUNTY
INSPECTOR MAY REQUIRE CONSTRUCTION OF A PAVED CONSTRUCTION
ENTRANCE.
3. CONSTRUCTION ROAD STABILIZATION: TEMPORARY STABILIZATION WITH
STONE OF ACCESS ROADS, SUBDIVISION STREETS, PARKING AREAS,
AND OTHER TRAFFIC AREAS IMMEDIATELY AFTER GRADING TO REDUCE
EROSION CAUSED BY VEHICLES DURING WET WEATHER, AND TO
PREVENT HAVING TO REGRADE PERMANENT ROADBEDS BETWEEN
INITIAL GRADING AND FINAL STABILIZATION. STD. AND SPEC. 3.03.
4. 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.
5. STORM DRAIN INLET PROTECTION: THE INSTALLATION OF VARIOUS
KINDS OF SEDIMENT TRAPPING MEASURES AROUND DROP INLETS OR
CURB INLET STRUCTURES PRIOR TO PERMANENT STABILIZATION OF
THE DISTURBED AREA; LIMITED TO DRAINAGE AREAS NOT EXCEEDING
ONE ACRE, AND NOT INTENDED TO CONTROL LARGE, CONCENTRATED
STORMWATER FLOWS. STD. AND SPEC. 3.07.
6. TEMPORARY DIVERSION DIKE: A RIDGE OF COMPACTED SOIL
CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA
WHICH DIVERTS OFF-SITE RUNOFF AWAY FROM, UNPROTECTED SLOPES
AND TO A STABILIZED OUTLET, OR TO DIVERT SEDIMENT -LADEN
RUNOFF TO A SEDIMENT TRAPPING STRUCTURE. MAXIMUM EFFECTIVE
LIFE IS 18 MONTHS. STD. AND SPEC. 3.09.
7. TEMPORARY SEDIMENT BASIN: A TEMPORARY BARRIER OR DAM WITH
CONTROLLED STORMWATER RELEASE STRUCTURE WHICH IS FORMED BY
CONSTRUCTING AN EMBANKMENT OF COMPACTED SOIL ACCROSS A
DRAINAGEWAY. IT IS USED TO DETAIN SEDIMENT -LADEN RUNOFF FROM
DRAINAGE AREAS 3 ACRES OR GREATER FOR ENOUGH TIME TO ALLOW
MOST OF THE SUSPENDED SOLIDS TO SETTLE OUT. IT CAN BE
CONSTRUCTED ONLY WHERE THERE IS SUFFICIENT SPACE AND
APPROPRIATE TOPOGRAPHY. MAXIMUM EFFECTIVE LIFE IS 18 MONTHS
UNLESS DESIGNED AS A PERMANENT POND BY A QUALIFIED
PROFESSIONAL. STD. AND SPEC. 3.14.
8. TEMPORARY SEDIMENT TRAP: A TEMPORARY EXCAVATED TRAP TO
CAPTURE SEDIMENT LADEN RUNOFF FROM DRAINAGE AREA'S OF LESS
THAN 3.0 ACRES. TWO SEDIMENT TRAPS ARE PROVIDED ON THE
PLANS ADJACENT TO THE PROPOSED CULVERT EXTENSION ON ROUTE
20. THE TRAPS SHALL BE CONSTRUCTED PER THE DETAILS ON THIS
PLAN AND PER STD. AND SPEC. 3.13.
9. 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,
10. 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.
11. PERMANENT SEEDING: ALL DITCHES AND ADJACENT AREAS WITHIN
15 FT OF THE EDGE OF THE DITCHES SHALL BE SEEDED IN
CONFORMANCE WITH STD. AND SPEC. 3.32. 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.
12. 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.
13. DUST CONTROL: CONDUCT DUST CONTROL OPERATIONS NECESSARY
TO MET THE REQUIREMENTS OF STD. & SPEC. 3.39 AS REQUIRED TO
CONTROL SURFACE AND AIRBORNE MOVEMENT OF DUST.
GENERAL EROSION AND SEDIMENT CONTROL NOTES:
1. 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 6251-02-00 EROSION AND SEDIMENT CONTROL
REGULATIONS.
2. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR
TO OR AS THE FIRST STEP IN CLEARING.
3. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL
BE MAINTAINED ON THE SITE AT ALL TIMES.
4. 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.
5. 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.
6. 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.
7. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN
APPROVED FILTERING DEVICE.
8. 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.
9. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW
AREA.
10. 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.
11. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF
COMPLETION PER ZONING ORDINANCE SECTION 5.1.28.
12. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH
SECTION 13-301 OIF THE CODE OF ALBEMARLE.
13. BORROW, FILL OR VNASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER
EQUIPMENT SHALL BE LIMITED TO THE HOURS OF 7:OOAM TO 9:OOPM.
14. BORROW, FILL OR VNASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE
MANNER THAN MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY
HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND
IMPROVEMENTS, AND DAMAGE TO ANY PUBLIC STREET BECAUSE 0 SLIDES,
SINKING, OR COLLAPSE.
15. THE DEVELOPER SH!
ALL 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.
16. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING.
SEEDING IS TO BE AT 75 LBS/ACRE, AND IN THE MONTHS OF SEPTEMBER
TO FEBRUARY TO CONSIST A 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 840LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVED
BY THE COUNTY EROSION CONTROL INSPECTOR.
17. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT
SEEDING, AND MULCH). AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED
AT 90LBS/1000SF, INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL.
FERTILIZER SHALL BE APPLIED AT 1000LBS/ACRE AND CONSIST OF A
10-20-10 NUTRIENT MIX. PERMANENT SEEDING SHALL BE APPLIED AT
18OLBS/ACRE AND CONSIST OF 95% KENTUCKY 31 OR TALL FESCUE AND
0-5% PERENNIAL RYEEGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS TO
BE APPLIED AT 8OLB`:S/100SF. ALTERNATIVES ARE SUBJECT TO APPROVED BY
THE COUNTY EROSION CONTROL INSPECTOR.
18. MAINTENANCE: ALL tMEASURES ARE TO BE INSPECTED WEEKLY AND AFTER
EACH RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS
TO BE REPAIR IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 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,
19. ALL TEMPORARY ERCOSION AND SEDIMENT CONTROL MEASURES ARE TO BE
REMOVED WITHIN 30 IDAYS OF FINAL SITE STABILIZATION, WHEN MEASURES
ARE NO LONGER NEEDED, SUBJECT TO APPROVAL BY THE COUNTY EROSION
CONTROL INSPECTOR.
20, THIS PIAN SHALL B3E VOID IF THE OWNER DOES NOT OBTAIN A PERMIT
WITHIN 1 YEAR OF THE DATE OF APPROVAL. (WATER PROTECTION ORDINANCE
SECTION 17-204G.)
21. PERMANENT VEGETATFION SHALL BE INSTALLED ON ALL DENUDED AREAS
WITHIN NINE (9) MONITHS AFTER THE DATE THE LAND DISTURBING ACTIVITY
COMMENCED. (WATER PROTECTION ORDINANCE SECTION 17-207B)
MANAGEMENT STRATEGY AND SEQUENCE OF CONSTRUCTION
THE FOLLOWING ARE THE PROPOSED MANAGEMENT STRATEGIES AND DETAILED
SEQUENCE OF CONSTRUCTION:
PHASE 1 (MEASURES ALLREADY COMPLETED WITH MASS GRADING)
1. INSTALL CONSTRUCTION ENTRANCE.
2. INSTALL SILT FENCE, TREE PROTECTION FENCE, AND SAFETY FENCE AT THE
LOCATIONS SHOWN ON THE EROSION & SEDIMENT CONTROL PLAN.
3. CONSTRUCT SEDIMENT TRAP.
4. CONTACT THE ENGINEER AND ALBEMARLE COUNTY FOR INSPECTION AND
APPROVAL OF ALL E&S CONTROL MEASURES.
PHASE 2
1. UPON APPROVAL OF E&S CONTROL MEASURES, BEGIN CLEARING AND
GRADING OF THE SITE, BEGIN CONSTRUCTION OF STRUCTURES AND PARKING
AS SHOWN ON THE SITE DEVELOPMENT PLAN.
2. MAINTAIN ALL E&S CONTROL MEASURES.
PHASE 3
1. STABILIZE PARKING AND PAD SITE.
2. ALL PERIMETER SILT FENCE AND STABILIZATION MEASURES SHALL REMAIN IN
PLACE UNTIL THE SITE IS DEEMED STABILIZED BY THE PLAN REVIEWING
AUTHORITY.
3. AFTER THE SITE IS STABILIZED, REMOVE SEDIMENT TRAP.
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.
3. ANY WASTE DISCOVERED DURING THE PROJECT SHALL NOT BE MOVED WITH
OUT PRIOR AUTHORIZATION OF THE OWNER AND BE DIIRECT-LOADED INTO
COVERED ROLL -OFF CONTAINERS FOR TEMPORARY STORAGE PRIOR TO
DISPOSAL IN A PERMITTED LANDFILL.
EROSION & SEDIMENT CONTROL PERMITTING
1. CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL LOCAL AND STATE
EROSION AND SEDIMENT CONTROL PERMITS AND MAINITAINING ALL EROSION
AND SEDIMENT CONTROLS IN ACCORDANCE WITH THE FPERMIT REQUIREMENTS,
MINIMUM STANDARDS (MS):
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 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 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
stru ctu re.
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.
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.
J STIN M. SHIMP
l Lic/No/45183
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TOP OF BERM
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SO EROSION &SEDIMENT CONTROL SYMBOLS
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�oG�lO� �.:$ SYMBOL N0. TITLE KEY
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DA=0.67 AC. D I . ,. "e . /
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—�=� �� — — So' s �� X X —x 3.05 SILT FENCE SF
CWD
342 7
J �j 3.07 INLET PROTECTION IP
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pr
3.31 TEMPORARY SEEDING TS
m 000, PS 3.32 PERMANENT SEEDING PS
m
Ill j�j 3.35 MULCH MU
m > / = 3.38 TREE PROTECTION FENCE TP
i
Iw \\ — LIMITS OF DISTURBANCE
EXISTING CONTOUR
w cpl
�A - PROPOSED CONTOUR
20 0 20 40 60
.. .Y PROPOSED CONTOUR
Scale: 1 "=20'
O JUSTIN M. SHINIP
Lic. No. 45183
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Lic. N 4518'
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SNOW FEN
BOARD FE'
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00
TRIANGULAR BOARD FENCE
('1�Tree Protection Fence TP)
C5 Not To Scale -----i--
ORIGINAL
GROUND
ELEV.
EL=A
Area 2
DRY STORAGE D2
67 CU. YD./ACRE `v
EL=B Area 1
WET STORAGE
67 CU. YD./ACRE
D1 �.
(EXCAVATED) FILTER CLOTH GROUNDL
EL=C ELEV.
* SEE PLATE 3.13-1 COARSE AGGREGATE CLASS I RIPRAP
CROSS SECTION OF OUTLET
CLASS I RIPRAP
LENGTH (IN FEET) = 2'
(INXAC )AINAGE AREA
DIVERSION
�—��� DIKE
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Sediment Trap Design Dataa
No.
A
B
C
H (ft.)
Z (ft.)
Weir
Length
DA
Wet Vol.
D1
Wet Vol.
Dry Vol.
D2
Dry Vol.
matter. Must be anchored.
tons for
Spread with mulch blower or
(fit.)
(Acs.)
(Req.)
(ft.)
Cy (Prov.)
(Req.)
(ft.)
Cy (Prov.)
1
343.5
342
340
2
2.0
4
0.67
44.9
2
49
44.9
1.5
57
MAX. SLOPE 2:
SEDIMENT–LADEEN�RUNOFF
R E'QUtR E
STORM WATER WITH
LARGER PARTICLES
REMOVED
DRAIN INLET
FLOW
FLOW
r �
FLOW
\ FLOW
DEPTH BELOW TOP OF INLET:
MIN. 1'– MAX. 2'
III -1
d
d
° WEEP
HOLES
FOR °
DEWATERING
a
SPECIFIC APPLICATION
LARGER PARTICLES
SETTLE OUT
THIS METHOD OF INLET PROTECTION 1S APPLICABLE WHERE HEAVY FLOWS
ARE EXPECTED AND WHERE AN OVERFLOW CAPABILITY AND EASE OF
MAINTENANCE ARE DESIRABLE.
ri`\Excavated Droe Inlet Sediment Tr(in
C5) Not To Scale
710- ;.`iii_.:-._._.��--._..:...............�,..
5 .l ri4..il vt, ...Vi:'� v.1IVI.N. i.� S,}'.S
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SECTION —.
A laid niaaai w atef tali of I it'ich mist be ift,4afferl with a 111iiiinium 1 fileli b allcod",
hoto l' aloe supplying, a wa-,41 hose with a +,liaalaieter caf 1.5 inclie's iter of lequate
Constant pre, slue. Water aaaaast be c:aaaiecl a��a'r � ialaa tlae �iltirai�- fica -air
apps wecl settliaa`f area to remove se(li iienL All sedj etit shall be pa -eves ted froia
elitedlig s tonil clraiais, ditches rar Watercourses,
PAVED WASH PACK
NO
7_`CkLE
Paved Construction Entrance W/'Wash Rack (CE
Not To Scale
ORGANIC MULCH MATERIALS AND APPLICATION RATES
RATES:
MULCHES:
NOTES:
Per Acre
Per 1000 sq. ft.
Straw or Hay
12 - 2 tons
70 - 90 lbs.
Free from weeds and coarse
(Minimum 2
matter. Must be anchored.
tons for
Spread with mulch blower or
winter cover)
by hand.
Fiber Mulch
Minimum
35 lbs.
Do not use as mulch for
1500 lbs.
winter cover or during hot,
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 aeras. 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 451bs./1000 sq. ft.
Source: Va. DWSC
3 Mu_ (chin _MU
C5 Not To Scale
SAFETY FENCE
PERSPECTIVE VIEW
PERSPECTIVE VIEW
PLASTIC FENCE
SAFETY FENCE ( SAF
Not To Scale
PERSPECTIVE VIEW
METAL FENCE
CONSTRUCTION OF A SILT PENCE
(WITHOUT WIRE S UPPOR T)
1. SET THE STAKES. 2. EXCAVATE A 4"X 4" TRENCH
UPSLOPE ALONG THE I INE OF
STAKES.
6'MAX.
3. STAPLE FILTER MATERIAL
TO STAKES AND EXTEND
IT INTO THE TRENCH.
4. BACKFILL AND COMPACT
THE EXCAVATED SOIL.
SHEET FLOW INSTALLATION
(PERSPECTIVE VIEW)
4"
POINTS A SHOULD BE HIGHER THAN POINT B.
DRAINAGEWAY INSTALLATION
(FRONT ELEVATION)
4 Silt Fence Without Wire Su ort
C5 Not To Scale
WIRE SCREEN
RUNOFF OVERFLOW
WATER WITH
SEDIMENT
SEDIMENT
611
CONCRETE BLOCK
GRAVEL FILTER
WIRE SCREEN J
2" X 4" WOOD STUD
FILTERED WATER
SPECIAL APPLICATION
THIS METHOD OF INLET PROTECTION IS APPLICABLE AT
CURB INLETS WHERE AN OVERFLOW CAPABILITY IS NECESSARY
TO PREVENT EXCESSIVE PONDING IN FRONT OF THE STRUCTURE.
* GRAVEL SHALL BE VDOT #3, #357 OR #5 COARSE AGGREGATE
g Dro Inlet Protection IP
C5 Not To Scale
(0 g
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® JUSTIN M. SKIMP >
Llc./No. 45183
O
Sheet No.
C5 OF 5
File No.
12.009