HomeMy WebLinkAboutWPO201700044 Plan - E&S 2017-10-30SITE DATA
TWO (2) PARKING SPACES FOR EVERY UNIT PLUS ONE (1) GUEST SPACE FOR FOUR
EXISTING EDGE OF PAVEMENT
(4) UNITS
PROPOSED EDGE OF PAVEMENT
OWNER f DEVELOPER:
MARCH MOUNTAIN PROPERTIES LLC
48 SPACES (TWO GARAGE SPACES + TWO DRIVEWAY SPACES)
PROPOSED IMPERVIOUS AREA:
CONTACT. DAVE BROCKMAN
PROPOSED TURF AREA:
1005 HEATHERCROFT CIRCLE, SUITE
400
SEE LANDSCAPING PLAN FOR PLANTINGS, SCHEDULE AND SPECIFICATIONS, NOTES AND
CELL: (702)-985-9088
DETAILS
CROZET, VA 22932
1. ALL PROPOSED LIGHTING WILL NOT EXCEED 3,,000 LUMENS.
15" RCP
dave®oldtrailvilloge.com
PLAN PREPARER:
ROUDABUSH, GALE, & ASSOCIATES
EXISTING SANITARY SEWER
OR SHIELDED TO REFLECT LIGHT AWAY FROM ,ADJOINING RESIDENTIAL DISTRICTS
PROPOSED SANITARY SEWER
AND FROM ADJACENT ROADS.
914 MONTICELLO ROAD
J. ALL OUTDOOR LIGHTING SHALL BE ARRANGED OR SHIELDED TO REFLECT LIGHT
EASEMENT LINE
AWAY FROM ADJOINING RESIDENTIAL DISTRICTS' AND AWAY FROM ADJACENT ROADS.
NO EVIDENCE OF A BURIAL SITE WAS FOUND ON THIS PORTION OF PARCEL A I.
CHARLOTTESVILLE, VA. 22902
FOUND ON THIS PORTION OF PARCEL A.
THIS SITE IS NOT LOCATED WITHIN
AN AGRICULTURAL—FORESTAL DISTRICT.
THIS SITE IS LOCATED WITHIN
(434)-977-0205
RESERVOIR.
LIMITS OF DEMOLITION)
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TAX MAP PARCEL No:
A PORTION OF 055EO-01-00-000A 1
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ZONING:
NEIGHBORHOOD MODEL DISTRICT IN
ACCORDANCE WITH PROFFERS
OF ZMA 2015-00001 APPROVED FEBRUARY 1,
201'6
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ENTRANCE CORRIDOR OVERLAY DISTRICT
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STEEP SLOPES (MANAGED) OVERLAY
DISTRICT
USE:
12 SINGLE FAMILY ATTACHED UNITS
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BUILDING HEIGHT:
3—STORY
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SETBACKS:
FRONT, SIDE AND REAR: 0'
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FRONT 25' MAXIMUM
W
PROJECT AREA:
1.12 ACRES
0
AREA SUMMARIES:
TOTAL — 1. 11 ACRES
a
LOTS — 0.50 ACRES
PRIVATE ROW — 0.29 ACRES
PUBLIC ROW — 0.33 ACRES
LOT AREAS:
LOT 5 1,872 SF LOT
11
2,402
SF
LOT 6 1,396 SF LOT
12
1,419
SF
LOT 7 1,821 SF LOT
I3
1,827
SF
LOT 8 1,848 SF LOT
14
1,827
SF
LOT 9 1,454 SF LOT
15
1,417
SF
LOT 10 2,106 SF LOT
16
2,358
SF
GROSS RESIDENTIAL DENSITY:' 10.8 UNIT/ACRE
MAGISTERIAL DISTRICT. WHITE HALL MAGISTERIAL DISTRICT
STORMWATER MANAGEMENT. • THE PROJECT SITE DRAINS TO SWM FACILITY L-1AS DEFINED BY THE OVERALL
STORMWATER MASTER PLAN (WPO20160009), APPROVED 4/25/2016
WATERSHED: LICKINGHOLE CREEK
TOPOGRAPHY. LOUISA AERIAL SURVEYS, AUGUST 2012
ROUDABUSH GALE & ASSOC. TOPOGRAPHIC FIELD SURVEY FROM JUNE 2015, AUGUST
2015 AND NOVEMBER 2016.
BENCHMARK: TOP OF EXISTING STORM SEWER INLET )219 AT 682.30
DATUM: VERTICAL — NAVD 88, HORIZONTAL — NAD 83
FLOODPLAIN: THIS PROJECT IS LOCATED WITHIN "ZONE X" AS SHOWN ON FLOOD INSURANCE RATE
MAP. COMMUNITY PANEL NUMBER 510003C 0237 D. EFFECTIVE DATE: FEBRUARY 4.
2005.
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LOCK 7
PHASE 1
PARKING REQUIRED:
TWO (2) PARKING SPACES FOR EVERY UNIT PLUS ONE (1) GUEST SPACE FOR FOUR
EXISTING EDGE OF PAVEMENT
(4) UNITS
PROPOSED EDGE OF PAVEMENT
(12 * 2) + (12/4) = 27 PARKING SPACES
PARKING PROVIDED:
48 SPACES (TWO GARAGE SPACES + TWO DRIVEWAY SPACES)
PROPOSED IMPERVIOUS AREA:
35, 430 SF
PROPOSED TURF AREA:
12,660 SF
LANDSCAPING:
SEE LANDSCAPING PLAN FOR PLANTINGS, SCHEDULE AND SPECIFICATIONS, NOTES AND
EX. 15" RCP
DETAILS
LIGHTING:
1. ALL PROPOSED LIGHTING WILL NOT EXCEED 3,,000 LUMENS.
15" RCP
2, EACH OUTDOOR LUMINARIES EQUIPPED WITH AI LAMP THAT EMITS 3,000 OR MORE
-- t -'-r
INITIAL LUMENS SHALL BE A FULL CUTOFF LUMINARIES AND SHALL BE ARRANGED
EXISTING SANITARY SEWER
OR SHIELDED TO REFLECT LIGHT AWAY FROM ,ADJOINING RESIDENTIAL DISTRICTS
PROPOSED SANITARY SEWER
AND FROM ADJACENT ROADS.
PROPERTY LINE
J. ALL OUTDOOR LIGHTING SHALL BE ARRANGED OR SHIELDED TO REFLECT LIGHT
EASEMENT LINE
AWAY FROM ADJOINING RESIDENTIAL DISTRICTS' AND AWAY FROM ADJACENT ROADS.
NO EVIDENCE OF A BURIAL SITE WAS FOUND ON THIS PORTION OF PARCEL A I.
NO STREAM BUFFER(S) WERE
FOUND ON THIS PORTION OF PARCEL A.
THIS SITE IS NOT LOCATED WITHIN
AN AGRICULTURAL—FORESTAL DISTRICT.
THIS SITE IS LOCATED WITHIN
THE SOUTH FORK RIVANNA RESERVOIR WATERSHED OF A PUBLIC WATER SUPPLY
RESERVOIR.
LIMITS OF DEMOLITION)
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 REQUIREMENT OF THE PERMIT SHALL
GOVERN. VDOT MUST BE CONTACTED AT LEAST 48 HOURS IN ADVANCE OF THE START +OF
CONSTRUCTION.
2. ALL MATERIALS AND CONSTRUCTION METHODS SHALL CONFORM TO CURRENT SPECIFICATIONS AND
STANDARDS OF VDOT UNLESS OTHERWISE NOTED. CBR's SHALL BE SUBMITTED TO VD(OT FOR REVIEW
& APPROVAL.
3. EROSION AND SILTATION CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE VNITH 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
COUNTY ENGINEER, OR DESIGNEE, IT IS DEEMED NECESSARY IN ORDER TO STABILIZE �A DRAINAGE
CHANNEL.
7. TRAFFIC CONTROL SIGNS SHALL CONFORM TO THE VIRGINIA MANUAL FOR UNIFORM TRAFFIC
CONTROL DEVICES.
8. UNLESS OTHERWISE NOTED, ALL CONCRETE PIPES SHALL BE REINFORCED CONCRETE: PIPE -CLASS III.
HPDE PIPES MAY BE INSTALLED IN LIEU OF CLASS III RCP, AND SHALL CONFORM TO AASHTO M294.
9. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR
CONSTRUCTION INDUSTRY (29 CFR PART 1926).
10. VISIBILITY OF ALL MECHANICAL EQUIPMENT FROM THE ENTRANCE CORRIDOR SHALL BEE ELIMINATED.
Im
VICINITY MAP
SCALE: 1'= 1000 FEET
GENERAL EROSION AND SEDIMENT CONTROL NOTES
ES -1: UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL
BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA
EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND SEDIMENT
CONTROL REGULATIONS.
ES -2: THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE -CONSTRUCTION CONFERENCE, ONE
WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION.
ES -3: ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING.
ES -4: A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES.
ES -5: PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING,
BUT NOT LIMITED TO, OFF-SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY
EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN REVIEWING AUTHORITY.
ES -6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY
TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN REVIEWING AUTHORITY.
ES -7: ALL DISTURBED ARES ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND
DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION HAS BEEN ACHIEVED.
ES -8: DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE.
ES -9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONIFROL 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 IMMIEDIATELY.
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COVERSHEET INDEX
CONDITIONS
EROSION CONTROL
EROSION •* • PHASE
EROSION CONTROL
EROSION CONTROL NOTES
RDL - Responsible Land Disturber
Roudabush, Gale & Associates shall be the Responsible Land Disturber(RLD) for the
plan review portion of this project ONL Y. Prior to the issuance of a Land Disturbance
Permit, a new RLD shall be designated
EXISTING INTERMEDIATE CONTOUR
EXISTING INDEX CONTOUR
PROPOSED CONTOUR
20
EXISTING EDGE OF PAVEMENT
__ EX. EP
PROPOSED EDGE OF PAVEMENT
EP
EXISTING CURB AND (GUTTER
EX. C&G
PROPOSED CURB AND GUTTER
CG -6
SANITARY MANHOLE
TRANSITION FROM CG -6 ROLL-TOP
ROLL-TOP
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EX. 15" RCP
EXISTING STORM SEWER
DEPARTMENT OF FIRE RESCUE
15" RCP
PROPOSED STORM SEWER
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EXISTING SANITARY SEWER
PROPOSED SANITARY SEWER
0S
PROPERTY LINE
--
EASEMENT LINE
— — —
CENTERLINE
-
LIMITS OF CLEARING LAND/OR GRADING
OU
EXISTING SPOT ELEVA71ON
+-12.0
PROPOSED SPOT ELEWATION
+12.0
LIMITS OF DEMOLITION)
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EXISTING FLOODPLAIN
STREAM BUFFER
EXISTING TREE DRIP LINE
EXISTING TREE
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EXISTING FIRE HYDRANT
PROPOSED FIRE HYDRANT
EXISTING WATER VALVE 0
PROPOSED WATER VALVE W
PROPOSED WATER METER
EXISTING REDUCER ►
PROPOSED REDUCER ----► W
HANDICAP RAMP (CG -12)
DENOTES LO ATION OF STD. VDOT
CG -12 ANDOR JURISDICTIONAL
STANDARD RRRAMP CONSTRUCTION
PARKING INDICATOR 12
INDICATES THE NUMBER OF TYPICAL PARKING SPACES
BENCHMARK +�
CRITICAL SLOPE
SLOPES TO BE SEEDED, MULCHED & TACKED
VEHICLES PER DAY COUNT
DEPARTMENT OF COMMUNITY DEVELOPMENT
PROPOSED STREET NAME SIGN
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PROPOSED SIGN
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STORM DRAIN STRUCTURE IDENTIFIER
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REVISIONS
O/25/17
COUNTY COMMENTS
DATE
JUNE 6, 201 i
SCALE
AS SHOWN
CONTOUR INTERVAL
NSA
FILE NUMBER
8063
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REVISIONS
MAY BE USED AS A COVER CROP WITH SPRING CROP
MAY BE USED AS A COVER CROP WITH WINTER CROP
X MAY BE PLANTED BETWEEN THESE DATES
- MAY NOT BE PLANTED BETWEEN THESE DATES
FOR LIME, TEST SOIL pH AND DETERMINE THE TIME BETWEEN THE AREA WILL REMAIN UNDISTURBED. IT
TAKES 6 MONTHS FOR THE LIME TO ALTER THE SOIL pH. IF AREA WILL REMAIN UNDISTURBED FOR LONGER
THAN 6 MONTHS, APPLY LIME PER THE APPLICATION RATE GIVEN IN TABLE 3.31A OF THE VEGSH.
FOR FERTILIZER, APPLY 600 POUNDS PER ACRE (OR 14 POUNDS PER 1,000 SF) OF A FERTILIZER WITH A
RATIO OF 10-20-10 OR EQUIVALENT.
C E 3.024 CONSTRUCTION ENTRANCE
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ALL STORMWATER RUNOFF IS DIRECTED TO THE POND NOT OCCURRING BENEATH FABRIC UNDERLINING
EROSION AND SEDIMENT CONTROL MINIMUM STANDARDS TE UPPER BALLARD ,WHICH HAS BEEN PERIODICALLY TO ENSURE SCOURING IS N N H
BE APPLIED TO DENUDED AREAS DESIGNED AND CONSTRUCTED TO RELEASE AT THE PRE -CONSTRUCTION RATE INTO THE OF THE RIPRAP LAYER. 7, THE EARTHEN EMBANKMENTS SHALL BE CHECKED REGULARLY TO ENSURE THAT IT IS
1. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL EXISTING CHANNEL WHICH HAS BEEN DEEMED ADEQUATE. STRUCTURALLY SOUND AND HAS NOT BEEN DAMAGED BY EROSION OR CONSTRUCTION
WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE.
B. ADEQUACY OF ALL CHANNELS AND PIPES SHALL BE VERIFIED USING THE VSMP VEGETATIVE PRACTICES EQUIPMENT.
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TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED
WILL REMAIN DORMANT FOR LONGER THAN CHANNEL PROTECTION:CRITERIA. STORMWATER DISCHARGES ARE CLASSIFIED INTO ONE 1. TOPSOiLING & STOCKPILING (3.30) - TOPSOIL WILL BE STRIPPED FROM AREAS TO BE
0
AREAS THAT MAY NOT BE AT FINAL GRADE BUT OF THREE TYPES OF CHANNEL. GRADED AND STOCKPILED FOR LATER USE. STOCKPILES ARE TO BE STABILIZED WITH 8. THE STORMWATER MANAGEMENT FACILITIES SHOULD BE CHECKED REGULARLY BY THE
30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT
"MANMADE
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a. . HOMEOWNERS ASSOCIATIONS TO ENSURE THAT THEY ARE STRUCTURALLY SOUND AND HAVE
TEMPORARY VEGETATION OR TO HAVE SILT FENCE INSTALLED ALONGTHE LOWER
STORMWATER CONVEYANCE SYSTEM" MEANS A PIPE, DITCH, VEGETATEDATER
DORMANT FOR MORE THAN ONE YEAR.
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CONNOT BEEN DAMAGED BY EROSION.
SWALE, OR OTHER STORMWATER SYSTEM CONSTRUCTED BY MAN PERIMETER TO PROTECT DOWNSTREAM AREAS.
CONTRACTOR SHALL ESTABLISH A STABILIZED SITE, AND NOT ALLOW ANY EROSION WITHIN THE WATER CONTER
EXCEPT FOR RESTORED CONVEYANCE SYSTEMS OR,
SITE OR ANY SEDIMENT TO EXIT.
•
2. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCKPILES AND BORROW AREAS SHALL a.a. THE MANMADE STORMWATER CONVEYANCE SYSTEM SHALL CONVEY THE 2. TEMPORARY SEEDING (3.31) -AREAS NOT BROUGHT TO FINAL GRADE FOR A PERIOD OF 9. THE EMERGENCY SPILLWAY SHALL BE CHECKED REGULARLY TO ENSURE THAT ITS LINING
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BE STABILIZED OR PROTECTED WITH SEDIMENT TRAPPING MEASURES. THE APPLICANT IS POST- DEVELOPMENTPEAK FLOW RATE FROM THE TWO-YEAR EVENT WITHOUT MORE THAN 14 DAYS SHALL BE STABILIZED WITH A TEMPORARY SEED MIXTURE IS WELL ESTABLISHED AND EROSION RESISTANT. GRASS SHALL BE KEPT MOWN BELOW A
•
RESPONSIBLE FOR THE TEMPORARY PROTECTION AND PERMANENT STABILIZATION OF ALL CAUSING EROSION OF THE SYSTEM DETENTION OF THE STORMWATER OR ACCEPTABLE FOR THAT TIME OF YEAR. CRIMPING, PUNCH ROLLER -TYPE ROLLERS, OR HEIGHT OF 15" AND THE OUTLET SHOULD BE CHECKED FOR CLOGGING.
D
SOIL' STOCKPILES ON SITE AS WELL AS BORROW AREAS AND SOIL INTENTIONALLY DOWNSTREAM IMPROVEMENTS MAY BE INCORPORATED INTO THE APPROVED TRACK WALKING MAY BE USED TO INCORPORATE STRAW MULCH INTO THE SOIL ON
LAND -DISTURBING ACTIVITY TO MEET THIS CRITERIA AT THE DISCRETION THE 10. THE DAiM SECTION SHALL BE KEPT FREE OF SAPLINGS OR TREES. REFER TO THE
TRANSPORTED FROM THE PROJECT SITE. SLOPES IF STRAW IS TO BE USED.
TOPSOIL STOCKPILES WILL BE LOCATED ONSITE. EXCESS MATERIAL NOT USED FOR ON SITE STORMWATER PROGRAM ADMINISTRATIVE AUTHORITY. ADDITIONAL MAINTENANCE SPECIFICATIONS)
a.b DISCHARGERE
. THE PEAK DISCHARGE REQUIREMENTS FOR CONCENTRATED STORMWATER FLOW
GRADING TO BE HAULED TO AN APPROVED SITE WITH ADEQUATE EROSION CONTROL 3. PERMANENT SEEDING (3.32) - AREAS BROUGHT TO FINAL GRADE OR THOSE
TO NATURAL STORMWATER CONVEYANCE SYSTEMS SHALL BE MET.
PROTECTION. CONSTRUCTION AREAS THAT WILL REMAIN DORMANT FOR YEAR OR MORE SHALL BE 11. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS
Lo
3, A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT STABILIZED WITH A PERMANENT SEED MIXTURE ACCEPTABLE TO THAT TIME OF YEAR. MAINTAINED. AREAS SHOULD BE FERTILIZED AND RE -SEEDED AS NEEDED.
* Re
Q Developed <= I.F. *Q Pre-Dev RV Pre-DevRV Developed OTHERWISE PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL NOT BE PREPARE SURFACE WITH APPROVED TREATMENT AND ADDITIVES PRIOR TO APPLYING SEED.
CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT, IS UNIFORM(, I.F. - 0 8 FOR SITES >(1 ACRE; I.F. 0.9 FOR SITES < 1 ACRES
SEQUENCE OF CONSTRUCTION
UNDER NO CONDITION SHALL Q Developed > Q Pre-Dev
d
MATURE ENOUGH TO SURVIVE AND WILL INHIBIT EROSION. NOR SHALL Q Developed BE REQUIRED TO BE LESS THAN THAT 4. MULCH (3.35) - PLANT RESIDUES OR OTHER SUITABLE MATERIALS SHALL BE APPLIED TO 1. AFTER OBTAINING ALL REQUIRED PERMITS THE CONTRACTOR SHALL COORDINATE A
•
CONTRACTOR SHALL ESTABLISH A VEGETATIVE COVER ON ALL DENUDED AREAS. p DISTURBED SURFACES TO PREVENT EROSION AND REDUCE OVERLAND FLOW VELOCITIES. PRE -CONSTRUCTION MEETING, ALLOWING 72 HOURS FOR ITS COORDINATION.
Q Forest * RV Pre-Dev)/RV Developed
4.•
4. SEDIMENT BASINS AND TRAPS, PERIMETER DIKES, SEDIMENT BARRIERS AND OTHER THIS PRACTICE SHOULD BE APPLIED TO ALL SEEDING OPERATIONS, OTHER PLANTER 2. CONTRACTOR TO ONLY CLEAR AND GRUB A LIMITED AREA THAT IS ENOUGH TO INSTALL
E
►�cm
MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP IN MATERIALS WHICH DO NOT PROVIDE ADEQUATE SOIL PROTECTION BY THEMSELVES, AND PERIMETER AND SEDIMENT TRAPPING CONTROL DEVICES,
ANY LAND -DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND OR IN ACCORDANCE WITH ANOTHER METHODOLOGY THAT IS DEMONSTRATED BY BARE AREAS WHICH CANNOT BE SEEDED DUE TO THE SEASON BUT WHICH STILL NEED 3. INSTALL CONSTRUCTION ENTRANCES.
DISTURBANCE TAKES PLACE. THE VSMP AUTHORITY TO ACHIEVE EQUIVALENT RESULTS AND IS APPROVED BY PROTECTION TO PREVENT SOIL LOSS. CRIMPING, PUNCH ROLLER -TYPE ROLLERS, OR 6. INSTALL PERIMETER CONTROLS: SUCH AS SILT FENCE AND SUPER SILT FENCE.
CONTRACTOR TO ESTABLISH PERIMETER CONTROLS AS SHOWN ON ON THE PHASE 1 EROSION THE BOARD. TRACK WALKING MAY BE USED TO INCORPORATE STRAW MULCH INTO THE SOIL ON 7. INSTALL TURBIDITY CURTAIN IN UPPER BALLARD POND.
CONTROL PLANS AS THE FIRST STEP OF CONSTRUCTION. b. "NATURAL STORMWATER CONVEYANCE SYSTEM" MEANS THE MAIN CHANNEL OF A SLOPES IF STRAW IS TO BE USED. 8. CLEAR AND GRUB REMAINDER OF PROJECT AREA,
5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, NATURAL STREAM AND THE FLOOD -PRONE AREA ADJACENT TO THE MAIN CHANNEL 9. INSTALL STORM SEWER STIR. 228 TO 230. MAINTAIN STORM DIVERSION INTO EXISTING
0
DIKES AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION. OR, 5. DUST CONTROL (3.39) - DUST CONTROL METHODS MUST BE USED TO REDUCE THE SEDIMENT BASIN DURING THIS PROCESS.
/
CONTRACTOR SHALL STABILIZE ALL EARTHEN STRUCTURES IMMEDIATELY AFTER INSTALLATION. c. "RESTORED STORMWATER CONVEYANCE SYSTEM" MEANS A STORMWATER CONVEYANCE AMOUNT OF AIRBORNE DUST DURING ALL PHASES OF CONSTRUCTION WHERE SOIL IS 10. ONCE STORM SEWER STR. 228 TO 230 IS MADE OPERATIONAL, REMOVE DIVERSION AND
CONTRACTOR SHALL INSPECT THOSE STABILIZATION AND EROSION CONTROL MEASURES AFTER SYSTEM THAT HAS BEEN DESIGNED AND CONSTRUCTED USING NATURAL CHANNEL EXPOSED OR DISTURBED. ALLOW UPSTREAM STORM RUNOFF TO FLOW TO UPPER BALLARD POND.
EACH RAINFALL EVENT. DESIGN CONCEPTS.RESTORED STORMWATER CONVEYANCE SYSTEMS INCLUDE THE 11, IF NECESSARY, PUMP OUT EXISTING SEDIMENT BASIN AND ALLOW TO DRY OUT IN
6. SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE DESIGNED AND CONSTRUCTED BASED MAIN CHANNEL AND THE FLOOD- MANAGEMENT STRATEGIES PREPARATION OF PLACING ENGINEERING FILL IN 6" LIFTS. IT MAY BE NECESSARY TO
UPON THE TOTAL DRAINAGE AREA TO BE SERVED BY THE TRAP OR BASIN. c.a. THE DEVELOPMENT SHALL BE CONSISTENT, IN COMBINATION WITH OTHER OVER -EXCAVATE SEDIMENT BASIN SINCE IT WAS RECONFIGURED PREVIOUSLY AND FILL
SEDIMENT TRAPS ARE NOT USED AS PART OF THE EC MEASURES FOR THIS PROJECT STORMWATER RUNOFF,WITH THE DESIGN PARAMETERS OF THE RESTORED 1. CONSTRUCTION WILL BE SEQUENCED SO THAT GRADING OPERATIONS CAN BEGIN AND END MATERIAL MAY NOT BE SUITABLE FOR SUPPORTING FUTURE BUILDINGS AND ROADWAYS.
A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS STORMWATER CONVEYANCE SYSTEM THAT IS FUNCTIONING IN ACCORDANCE WITH AS QUICKLY AS POSSIBLE.
12. BEGIN CLEARING, GRUBBING AND FINE GRADING OPERATIONS AS NECESSARY TO ACHIEVE
PER ACRE OF DRAINAGE AREA AND THE TRAP SHALL ONLY CONTROL DRAINAGE AREAS THE DESIGN OBJECTIVES. FINAL GRADES.
LESS THAN THREE 3.0 ACRES. c.b. THE PEAK DISCHARGE REQUIREMENTS FOR CONCENTRATED STORMWATER FLOW 2. THE CONSTRUCTION ENTRANCE AND PERIMETER EROSION CONTROL MEASURES SUCH AS
THREE(3.0) 13. AFTER SITE HAS REACHED SUBGRADE CONDITIONS, INSTALL UTILITIES, STORM SEWER AND
B. SURFACE RUNOFF FROM DISTURBED AREAS THAT IS COMPRISED OF FLOW FROM TO NATURAL STORMWATER CONVEYANCE SYSTEMS SHALL BE MET. SEE PROTECTION AND SILT FENCE SHALL BE INSTALLED AS THE FIRST STEP OF
BEGIN ROAD CONSTRUCTION.
DISTURBANCE.
DRAINAGE AREAS GREATER THAN OR EQUAL TO THREE ACRES SHALL BE CONTROLLED 19(B)(1)(b). 14. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO ALL DENUDED
OUTFALL SYSTEM A SEDIMENT BASIN. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT BASIN
SEDIMENT TRAPPING MEASURES SHALL BE INSTALLED WITH PERIMETER SILT FENCE PRIOR AREAS WITHIN SEVEN (7) DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF
SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA. THE
SHALL EROSION AND SEDIMENT CONTROL NARRATIVE TO ANY GRADING AND SHALL BE SEEDED AND MULCHED IMMEDIATELY FOLLOWING THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN (7) DAYS TO
SHALL, ATA MINIMUM, MAINTAIN THE STRUCTURAL INTEGRITY OF THE BASIN DURING A
TWENTY-FIVE YEAR STORM OF 24-HOUR DURATION. RUNOFF COEFFICIENTS USED IN PRIOR TO CONSTRUCTION INSTALLATION. DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR
RUNOFF CALCULATIONS SHALL CORRESPOND TO A BARE EARTH CONDITION OR THOSE 1. OWNER SHALL POST SURETY BONDS FOR CONSTRUCTION, EROSION & SEDIMENT CONTROL. LONGER THAN THIRTY (30) DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS
CONDITIONS EXPECTED TO EXIST WHILE THE SEDIMENT BASIN IS UTILIZED. 2. CONTRACTOR SHALL OBTAIN PERMITS TO WORK WITHIN STATE RIGHT-OF-WAY (VDOT 4. THE SEDIMENT TRAPS SHALL BE CHECKED FOR SEDIMENT ACCUMULATION AFTER EVERY THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR.
SEDIMENT BASINS ARE NOT USED AS PART OF THE EC MEASURES FOR THIS PROJECT. LAND -USE PERMIT). BONDING FOR WORK WITHIN THE VDOT RIGHT-OF-WAY MAY BE RUNOFF PRODUCING STORM EVENT. SEDIMENT SHOULD BE REMOVED WHEN IT REACHES 15. AFTER SITE IS STABILIZED AND PERMISSION IS OBTAINED FROM THE EROSION CONTROL
7. CUT AND FILL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT WILL REQUIRED TO OBTAIN THE PERMIT. ONE-HALF OF THE DESIGN VOLUME OF THE WET STORAGE. INSPECTOR, REMOVE SILT FENCING, INLET PROTECTION AND OTHER EROSION CONTROL
MINIMIZE EROSION. SLOPES THAT ARE FOUND TO BE ERODING EXCESSIVELY WITHIN ONE 3. CONTRACTOR SHALL COORDINATE WITH OWNER TO OBTAIN VSMP PERMITS, AS REQUIRED MEASURES.
YEAR OF PERMANENT STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE BY THE STATE DEPARTMENT OF ENVIRONMENTAL QUALITY (DEQ). 5. TEMPORARY SEEDING OR OTHER STABILIZATION METHODS, SUCH AS BASE AGGREGATE WILL
STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECTED. 4. CONTRACTOR SHALL OBTAIN LAND DISTURBANCE PERMIT FROM THE COUNTY OF ALBEMARLE FOLLOW IMMEDIATELY AFTER REACHING FINAL GRADES.
THIS APPLIES TO ALL DISTURBED AREAS. PRIOR TO BEGINNING CONSTRUCTION.
8. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED 5. A PRE -CONSTRUCTION MEETING WITH THE ENGINEER, THE CERTIFIED LAND DISTURBER, 6. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS CIP) INLET PROTECTION
AN ADEQUATE TEMPORARY OR PERMANENT CHANNEL, FLUME OR SLOPE DRAIN AND THE ENVIRONMENTAL INSPECTOR MAY ALSO BE REQUIRED. ALLOW 72 HOURS FOR MAINTAINED. AREAS SHOULD BE FERTILIZED AND RE -SEEDED AS NEEDED TO ESTABLISH _
STRUCTURE. COORDINATION AND SCHEDULING OF PRE -CONSTRUCTION MEETING. GROWTH.
ANY CONCENTRATED RUNOFF WILL BE CONVEYED TO APPROVED EROSION CONTROL
7. THE JOB SUPERINTENDENT SHALL BE RESPONSIBLE FOR THE INSTALLATION AND
MEASURE(S). PROJECT DESCRIPTION G �j
A VEL CURB INLET SEDIMENT
MAINTENANCE OF ALL EROSION AND SEDIMENT CONTROL PRACTICES.
9. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER THIS PROJECT WILL CONSIST OF THE CONSTRUCTION OF 12 TOWNHOUSE UNITS AND THE
PROTECTION SHALL BE PROVIDED. RELATED INFRASTRUCTURE. THE EXISTING SEDIMENT BASIN LOCATED ON BLOCK 7 WILL BE 8. DURING FINE GRADING OPERATIONS, MAINTAIN ALL DIVERSION DITCHES TO THE SEDIMENT F'IL 1 rR
CONTRACTOR SHALL PROVIDE ADEQUATE DRAINAGE OR OTHER PROTECTION IF THIS OCCURS. FILLED AS PART OF THIS PROJECT. THE FILL MATERIAL WILL COME FROM ROUGH GRADING LOT () () / BASIN(S)
TRAP(S) AND/OR SEDIMENT BASINS . THE SEDIMENT TRAPS AND/OR BASINS SHALL
10. ALL STORM SEWER INLETS THAT ARE INSTALLED DURING CONSTRUCTION SHALL BE 6. THE TWO AREAS SEPARATED BY ASHLAR AVENUE. AS PART OF THE SEDIMENT BASIN REMAIN FUNCTIONAL THROUGHOUT INSTALLATION OF THE STORM SEWER INLETS, PIPES,
PROTECTED SO THAT SEDIMENT -LADEN WATER CANNOT ENTER THE CONVEYANCE SYSTEM CLOSURE, THE ULTIMATE STORM SEWER OUTFALL WILL BE CONSTRUCTED FROM STIR. 228 TO AND OUTFALLS. -�
WITHOUT FIRST BEING FILTERED OR OTHERWISE TREATED TO REMOVE SEDIMENT. UPPER BALLARD POND. THE LIMITS OF DISTURBANCE INCLUDES APPROXIMATELY 4.8 ACRES ON
CONTRACTOR TO INSTALL INLET PROTECTION ON ALL STORM SEWER INLETS TO PREVENT BLOCK 6 AND 3.5 ACRES ON BLOCK 7 FOR A TOTAL OF 8.3 ACRES.-_�
9. AFTER BEING NOTIFIED BY THE EROSION AND SEDIMENT CONTROL ADMINISTRATOR, THE
SEDIMENT FROM ENTERING THE PIPES. �.
11. BEFORE NEWLY CONSTRUCTED STORM WATER CONVEYANCE CHANNELS OR PIPES ARE MADE EXISTING SITE CONDITIONS TEMPORARY EROSION AND SEDIMENT CONTROLS CAN BE CLEANED UP OR REMOVED, AND
OPERATIONAL, ADEQUATE OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR THE SEDIMENT TRAPS CAN BE FILLED IN AND SEEDED, THEREBY REDIRECTING DRAINAGE
PERMANENT CHANNEL LINING SHALL BE INSTALLED 1N BOTH THE CONVEYANCE CHAfNNEL BLOCK 6 IS CURRENTLY COVERED IN GRASS. BLOCK 7 HAS A SEDIMENT BASIN THAT HAS TO THE PERMANENT FACILITIES. �--- --
AND RECEIVING CHANNEL. BEEN IN USE DURING THE CONSTRUCTION OF ADJACENT BLOCKS. SOME PERIMETER CONTROLS
CONTRACTOR TO INSTALL OUTLET PROTECTION AND ANY TEMPORARY AND/OR PERMANENT ALSO REMAIN FROM PREVIOUS CONSTRUCTION PROJECTS. THE AREA SURROUNDING THE BASIN 10. THE STORMWATER MANAGEMENT FACILITIES SHOULD BE CHECKED REGULARLY BY THE
STABILIZATION MEASURES TO THE RECEIVING CHANNEL PRIOR TO THE STORM SEWER SIYSTEM IS STABILIZED WITH GRASS. HOMEOWNERS ASSOCIATIONS TO ENSURE THAT THEY ARE STRUCTURALLY SOUND AND HAVE
NOT BEEN DAMAGED BY EROSION. THE EMERGENCY SPILLWAY SHALL BE CHECKED
IS MADE OPERATIONAL.
12. WHEN WORK IN A LIVE WATERCOURSE IS PERFORMED, PRECAUTIONS SHALL BE TAKEN TO ADJACENT AREAS REGULARLY TO ENSURE THAT ITS LINING IS WELL ESTABLISHED AND EROSION RESISTANT.
MINIMIZE ENCROACHMENT, CONTROL SEDIMENT TRANSPORT AND STABILIZE THE WORK AREA TO THE NORTH OF BLOCK 6 IS BLOCK 7; TO THE SOUTH IS BLOCK 5 WHICH IS VACANT; TO GRASS SHALL BE KEPT MOWN BELOW A HEIGHT OF 15" AND THE OUTLET SHOULD BE -
TO THE GREATEST EXTENT POSSIBLE DURING CONSTRUCTION. NON -ERODIBLE MATERIAL THE EAST IS THE VILLAGE CENTER WHICH IS MOSTLY BUILT OUT; TO THE WEST IS BLOCK 26 CHECKED FOR CLOGGING. THE DAM SECTION SHALL BE KEPT FREE OF SAPLINGS OR
SHALL BE USED FOR THE CONSTRUCTION OF CAUSEWAYS AND COFFERDAMS. EARTHEN WHICH 1S VACANT. TREES.(REFER TO THE ADDITIONAL MAINTENANCE SPECIFICATIONS)
FILL MAY BE USED FOR THESE STRUCTURES IF ARMORED BY NON -ERODIBLE COVER
MATERIALS. TO THE NORTH OF BLOCK 7 IS UPPER BALLARD POND; TO THE SOUTH IS BLOCK 6; TO THE PERMANENT STABILIZATION/r
SEDIMENT TRANSPORT INTO EAST IS MOSTLY BUILT OUT WITH TOWNHOMES; TO THE WEST IS TOWNHOMES UNDER r/
CONTRACTOR TO TAKE ALL NECESSARY PRECAUTIONS TO AVOID ALL AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH STRAW & SEED
UPPER BALLARD POND. CONSTRUCTION. IMMEDIATELY FOLLOWING FINISHED GRADE. SEEDING SHALL BE DONE WITH KENTUCKY 31 TALL
13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN FESCUE IN ACCORDANCE TO STANDARD AND SPECIFICATION 3.32, PERMANENT SEEDING, OF
TWICE IN ANY SIX-MONTH PERIOD, A TEMPORARY VEHICULAR STREAM CROSSING OFF-SITE AREAS THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. ANY FERTILIZER AND LIME
CONSTRUCTED OF NON -ERODIBLE MATERIAL SHALL BE PROVIDED. BLOCK 6 WILL BE BROUGHT TO ROUGH GRADE FOR FUTURE DEVELOPMENT. THE EXCESS SOIL APPLICATIONS SHALL BE IN ACCORDANCE WITH SOIL TEST RESULTS. ALL SEEDED AREAS WILL GRAVEL FILTER *
THE WATERCOURSE WILL NOT BE CROSSED AS PART OF THIS PROJECT. WILL BE BROUGHT INTO BLOCK 7 TO FILL THE EXISTING SEDIMENT BASIN. BE STRAW MULCHED TO PROTECT AGAINST RILL EROSION AND TO PRESERVE SOIL MOISTURE 12"
14. ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING TO WORKIMG IN OR THAT WILL ENHANCE SEED GERMINATION. CRIMPING, PUNCH ROLLER -TYPE ROLLERS, OR TRACK RUNOFF WATER WIRE MESH
CROSSING LIVE WATERCOURSES SHALL BE MET. SOILS WALKING MAY BE USED TO INCORPORATE STRAW MULCH INTO THE SOIL ON SLOPES IF STRAW
_.--
CONTRACTOR WILL FOLLOW ALL FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING 'TOFILTERED WATER
5B - BELVO{R LOAM (2% TO 7%) IS TO BE USED.
WORKING ALONG THE BANK OF UPPER BALLARD POND. DEEP, GENTLY SLOPING SOMEWHAT POORLY DRAINED, AND IS IN HYDROLOGIC GROUP C.
15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER PERMEABILITY IS SLOW AND AVAILABLE WATER CAPACITY IS MODERATE. SURFACE RUNOFF IS EROSION CONTROL MAINTENANCE a .
WORK IN THE WATERCOURSE IS COMPLETED. MEDIUM AND EROSION HAZARD IS MODERATE. 1. IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE CHECKED DAILY
THE CONTRACTOR SHALL STABILIZE THE BANK OF UPPER BALLARD POND IMMEDIATELY UPON
AND AFTER EACH SIGNIFICANT RAINFALL. THE FOLLOWING ITEMS WILL BE CHECKED IN
OF H M EWER
ACCORDANCE
1C6.MUNDEIRGROUNDLETION ANSTABE�INIOTALFOD IN
UTILITY LINES WITH THE FOLLOWING 25B - DYKE SILT LOAM (2% TO 7%) PARTICULAR:SOIL
STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA: IS DEEP, GENNEDAND INDO�FOGIC GROUP B.
SURFACE RUNIS
A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. PERMEABILITY ANDTLY WATER CAPACITSLOPING Y ARE MODEIRATE. AND EROSION 2. THE CONSTRUCTION ENTRANCE SHALL BE CHECKED DAILY FOR SOIL BUILDUP. IF THE ,
B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. HAZARD IS MEDIUM. ENTRANCE BECOMES CLOGGED WITH SOIL AND FAILS TO PREVENT TRANSPORTATION OF _Hill a.
C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH SOIL ONTO THE ROADWAY, ADDITIONAL STONE, REPLACEMENT OF STONE, ORA �.
AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A IMANNER 26C3 -DYKE CLAY LOAM (2% TO 7%, SEVERELY ERODED) WASH -RACK MAY BE REQUIRED. SEDIMENT IJ - D. Win.
4
THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF-SITE PROPERTY. SOIL IS DEEP, GENTLY SLOPING AND WELL -DRAINED, AND IS IN HYDROLOGIC GROUP B.
D. MATERIAL USED FOR BACK FILLING TRENCHES SHALL BE PROPERLY COMPACTED IN PERMEABILITY AND WATER CAPACITY ARE MODERATE. SURFACE RUNOFF IS MEDIUM AND 3. SILT FENCE SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY - -
ORDER TO MINIMIZE EROSION AND PROMOTE STABILIZATION. EROSION HAZARD IS MODERATE. DURING PROLONGED RAINFALL. CLOSE ATTENTION SHALL BE PAID TO THE REPAIR OF CONCRETE GUTTER 12°'
E. RESTABILIZATION SHALL BE ACCOMPLISHED IN WITH THESE REGULATIONS. DAMAGED SILT FENCE RESULTING FROM END RUNS AND UNDERCUTTING. SHOULD THE CURB INLET
.ACCORDANCE
F. APPLICABLE SAFETY REGULATIONS SHALL BE COMPLIED WITH. 26C3 - DYKE CLAY LOAM (7% TO 15%, SEVERELY ERODED) FABRIC ON A SILT FENCE DECOMPOSE OR BECOME INEFFECTIVE PRIOR TO THE END
THIS APPLIES TO ALL UTILITY INSTALLATION OPERATIONS INCLUDING WATER, SEWER, POIWER, SOIL IS DEEP, STRONGLY SLOPING AND WELL -DRAINED, AND IS IN HYDROLOGIC GROUP B. THE EXPECTED USABLE LIFE AND THE BARRIER STILL BE NECESSARY, THE FABRIC SHALL
CABLE OR GAS. PERMEABILITY AND WATER CAPACITY ARE MODERATE. SURFACE RUNOFF IS RAPID AND BE REPLACED PROMPTLY. SEDIMENT DEPOSITS SHOULD BE REMOVED AFTER EACH STORM
17. WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, EROSION HAZARD IS SEVERE. EVENT, SEDIMENT DEPOSITS MUST BE REMOVED WHEN DEPOSITS REACH APPROXIMATELY SPECIFIC APPLICATION
PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR ONE-HALF THE HEIGHT OF THE BARRIER. ANY SEDIMENT DEPOSITS REMAINING IN PLACE
TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO /A PAVED 37D3 - HAYESVILLE CLAY LOAM (15% TO 25%, SEVERELY ERODED) AFTER THE SILT FENCE IS NO LONGER REQUIRED SHALL BE DRESSED TO CONFORM WITH
OR PUBLIC ROAD SURFACE, THE ROAD SURFACE SHALL BE CLEANED THOROUGHLY AT THE SOIL IS DEEP, MODERATELY STEEP AND WELL -DRAINED, AND IS IN HYDROLOGIC GROUP B. THE EXISTING GRADE, PREPARED, AND SEEDED. THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS
END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR PERMEABILITY AND WATER CAPACITY ARE MODERATE. SURFACE RUNOFF IS RAPID AND 4. DIVERSION DIKES SHALL BE INSPECTED AFTER EVERY STORM AND REPAIRS MADE TO THE WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO CAUSE
SWEEPING AND TRANSPORTED TO A SEDIMENT CONTROL DISPOSAL AREA. STREET EROSION HAZARD ARE SEVERE. INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND UNPROTECTED
DIKE, FLOW CHANNEL, OUTLET, OR SEDIMENT TRAPPING FACILITY AS NECESSARY. ONCE
WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. AREAS.
CONTRACTOR SHALL MAKE PROVISIONS TO KEEP ADJACENT ROADS CLEAN FROM SOIL EVERY TWO WEEKS, WHETHER A STORM EVENT HAS OCCURRED OR NOT, THE MEASURE
BUILD-UP.STRUCTURAL PRACTICES SHALL BE INSPECTED AND REPAIRS MADE IF NEEDED. DAMAGES CAUSED BY
*
18. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN CONSTRUCTION TRAFFIC OR OTHER ACTIVITY MUST BE REPAIRED BEFORE THE END OF GRAVEL SHALL BE VDOT #3, #357 OR 5 COARSE AGGREGATE.
30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO 1. TEMPORARY CONSTRUCTION ENTRANCE (3.02) - A TEMPORARY CONSTRUCTION ENTRANCE EACH WORKING DAY.
LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM AUTHORITY. AND WASH RACK SHALL BE INSTALLED AT THE SITE ENTRANCE AS SHOWN ON THE
TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION EROSION AND SEDIMENT CONTROL PLAN. THE WASHRACK WILL DRAIN TO AN APPROVED 5. STORMWATER CONVEYANCE CHANNELS: SOURCE: VA. DSWC PLATE 3.07-6
OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER SEDIMENT TRAPPING DEVICE. 5.1. GRASS LINED CHANNELS - DURING THE INITIAL ESTABLISHMENT, GRASS LINED CHANNELS
EROSION AND SEDIMENTATION. SHOULD BE REPAIRED IMMEDIATELY AND RE-ESTABLISHED IF NECESSARY. AFTER GRASS
CONTRACTOR SHALL STABILIZE SITE, AND OBTAIN INSPECTOR APPROVAL PRIOR TO REMOVING 2. ROAD STABILIZATION (3.03) - ACCESS ROADS, PARKING AREAS, AND OTHER ON-SITE HAS BECOME ESTABLISHED, THE CHANNEL SHOULD BE CHECKED PERIODICALLY TO
ANY EROSION CONTROL MEASURES. VEHICLE TRANSPORTATION ROUTES SHALL BE STABILIZED WITH STONE IMMEDIATELY AFTER DETERMINE IF THE GRASS IS WITHSTANDING FLOW VELOCITIES WITHOUT DAMAGE. IF THE
19. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE GRADING. CHANNEL IS TO BE MOWED, IT SHOULD BE DONE IN A MANNER THAT IT WILL NOT
PROTECTED FROM SEDIMENT DEPOSITION, EROSION AND DAMAGE DUE TO INCREASES IN DAMAGE THE GRASS.
VOLUME, VELOCITY AND PEAK FLOW RATE OF STORM WATER RUNOFF FOR THE STATED 3. SILT FENCE BARRIER (3.05) - SILT FENCE BARRIERS WILL BE INSTALLED TO FILTER 5.2. RIPRAP-LINED CHANNELS - RIPRAP LINED CHANNELS SHOULD BE CHECKED PERIODICALLY
FREQUENCY STORM OF 24-HOUR DURATION IN ACCORDANCE WITH THE FOLLOWING RUNOFF FROM SHEET FLOW AS SHOWN ON THE EROSION AND SEDIMENT CONTROL PLAN. TO ENSURE THE SCOUR IS NOT OCCURRING BENEATH FABRIC UNDERLINING OF THE
OF
STANDARDS AND CRITERIA: RIPRAP LAYER. THE CHANNEL SHOULD ALSO BE CHECKED TO DETERMINE THE STONES �N
f�
THE DOWNSTREAM PROPERTIES AND WATERWAYS ARE PROTECTED FROM INCREASES IN (STORM 4. SUPER SILT FENCE BARRIER - WIRE -REINFORCED SILT FENCE BARRIER WILL BE ARE NOT DISLODGED BY LARGE FLOWS. o
RUNOFF BY THE WATER QUANTITY PROTECTION OF UPPER BALLARD POND, RETENTION BASIN II INSTALLED TO FILTER RUNOFF FROM SHEET FLOW AS SHOWN ON THE EROSION AND 5.3.IF SEDIMENT IS DEPOSITED IN A GRASS -LINED CHANNEL, IT SHOULD BE REMOVED *"
FACILITY L-1 AS DESCRIBED IN THE STORMWATER MASTER PLAN FOR OLD TRAIL VILLAGE SEDIMENT CONTROL PLAN. PROMPTLY TO PREVENT DAMAGE TO THE GRASS. SEDIMENT DEPOSITED IN A RIPRAP
APPROVED APRIL 25 .2016. CHANNEL SHOULD BE REMOVED WHEN IT REDUCES THE CAPACITY OF THE CHANNEL. N`„
A. CONCENTRATED STORM WATER RUNOFF LEAVING A DEVELOPMENT SITE SHALL BIE 5. INLET PROTECTION (3.07) - INLET PROTECTION WILL BE INSTALLED AT ALL PROPOSED i
6. M4 L. T
DISCHARGED DIRECTLY INTO AN ADEQUATE NATURAL OR MAN-MADE RECEIVING STORM DRAIN INLETS INSTALLED PRIOR TO FINAL STABILIZATION OF THE SITE. CHECK DAMS SHALL BE CHECKED FOR SEDIMENT ACCUMULATION AFTER EVERY RUNOFF ggart
CHANNEL, PIPE OR STORM SEWER SYSTEM. FOR THOSE SITES WHERE RUNOFF IS PRODUCING STORM EVENT. SEDIMENT SHOULD BE REMOVED WHEN IT REACHES ONE-HALFL'c. No.
rd�,o
2284 41
DISCHARGED INTO A PIPE OR PIPE SYSTEM, DOWNSTREAM STABILITY ANALYSES AT THE OF THE ORIGINAL HEIGHT OF THE MEASURE. REGULAR INSPECTIONS SHALL BE MADE TO
6. OUTLET PROTECTION (3.18) - OUTLET PROTECTION WILL BE INSTALLED AT THE END OF A,
OUTFALL OF THE PIPE OR PIPE SYSTEM SHALL BE PERFORMED. ALL STORM SEWER PIPES. CALCULATIONS FOR THE OUTLET PROTECTION ARE SHOWN WITH INSURE THE CENTER OF EACH DAM IS LOWER THAN THE EDGES. EROSION CAUSED BY
SIONAL
HIGH FLOWS AROUND THE EDGES OF THE DAM SHOULD BE CORRECTED IMMEDIATELY,
THE EROSION AND SEDIMENT CONTROL DETAILS. THE RIPRAP SHOULD BE CHECKED
DATE
JUNE 6, 2017
SCALE
CONTOUR INTERVAL
FILE NUMBER
8053
SHEET
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DATE
JUNE 6, 2017
SCALE
CONTOUR INTERVAL
FILE NUMBER
8053
SHEET
8 Of 8
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CE CONSTRUCTION ENTRANCE SSE SUPER SILT FENCE OP OUTLET PROTECTION OUTLET PROTECTION SPECIFICATIONS
CONSTRUCTION OF A SILT FENCE l � � �' 0
PIPE' OUTLET CONDI TIONS
STONE CONSTRUCTION ENTRANCE(WITH WIRE' SUPPORT � 1 26.7 Y �` A. P OU FLOW � W N
A A 0PM 1" M N. G E TSH . iv -F- 48" {(j N
1. SET POSTS AND EXCAVATE A 4"X4" 2. STAPLE WIRE FENCING TO THE POSTS. r
TRENCH UPSLOPE ALONG THE LINE j� �W'' ELY(NG' .F . 10 ®� Q
70' MIN, EXISTING OF POSTS. Q = 91.8 cfs Q
A 3' PAVEMENT Q. �'_ Z
Al
5:1 APRON LENGTH = 26' 0 �
y 3d ®
Cc Lu j
_ iii y1;1 Ilii!, ;i p
0 O
FILTER CLOTH 6" MIN. A MOUNTABLE BERM ijji; Ical't o
(OPTIONAL) ;, d PERMANENT SEEDING MIXTURES' '
�_ PIPE OUTLET TO FLAT
SIDE ELEVATION 11 i l �" �!y /
li I �� ` ` l I, /'' AREA WITH NO DEFINED P S FOR THE PIEDMONT AREA W
EXISTING GROUND :j aI f PLAN VIEW '
I I, CHANNEL ,� W
4 l (� I )�v I I ✓ 1 1, I I TOTAL LBS. PER ACRE Q
70' MIN. �! !! �� MINIMUM CARE LAWN - COMMERCIAL OR RESIDENTIAL 175-200 LBS. ti
- KENTUCKY 31 OR TURF-TYPE TALL FESCUE 95-100% O . _ '
B WASHRACK 10' MIN, - _ L a - IMPROVED PERENNIAL RYE GRASS 0-5% �
_ ( ( - KENTUCKY BLUEGRASS 0-5% ^ � tV
(OPTIONAL) � +.�
* 10' MIN. FLO//W IIIIIl�'' j II j _ I=
��—� d 0
12' MIN, I� EXISTING I1 kill
I� a HIGH MAINTENANCE LAWN 200-250 LBS. 0 0 LL-
PAVEMENT 4" - KENTUCKY 31 OR TURF-TYPE TALL FESCUE 100% uj Z � to
T
SECTION A-A FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMETER
U. U C4
GENERAL SLOPE (3:1 OR LESS) O
3. ATTACH THE FILTER FABRIC TO THE WIRE 4. BACKFILL AND COMPACT THE � � Z r-
- KENTUCKY 31 FESCUE 128 LBS.
VD❑T #1 ¢� POSITIVE DRAINAGE 10' MIN, FENCE AND EXTEND IT INTO THE TRENCH. EXCAVATED SOIL. Lu O
COURSE AGGREGATE B T❑ SEDIMENT A - - RED TOP GRASS 2 LBS. Lu CL � Mail
TRAPPING DEVICE aw.-SEASONAL NURSE CROP* 20 LBS.
TOTAL 150 LBS. � Q � �-
I I III +�
... W
* MUST EXTEND FULL WIDTH �' I I ; %' ; pH
3d (MIN.)
OF INGRESS AND EGRESS I, �—�.-?: sa( p �y
OPERATION PLAN VIEW.- = i! ; a h .� ( , ✓ A LOW-MAINTENANCE SLOPE (STEEPER THAN 3:1) G O
KENTUCKY 31 FESCUE 108 LBS.
-RED TOP GRASS 2 LBS. d-
12' MIN. d - SEASONAL NURSE CROP* 20 LBS.
- CROWN VETCH** 20 LBS.
3" MIN.
, �r;l PIPE OUTLET TO WELL
>.:.. , �` TOTAL 150 LBS.
,' DEFINED CHANNEL
3" MIN.
*USE SEASONAL NURSE CROP IN ACCORDANCE WITH SEEDING DATES AS STATED BELOW:
PLAN VIEW t REVISIONS
FILTER CLOTH r I FLOW I I L FEBRUARY 16TH THROUGH APRIL 30TH............ ANNUAL RYE 9/25/17
SECTION A—A = jT a MAY 1ST THROUGH AUGUST 15TH .............. FOXTAIL MILLET COUNTY COMMENTS
_ I AUGUST 16TH THROUGH OCTOBER 31ST... ......... ANNUAL RYE
,`IIIc �II''.
6 -7 -- I III �II p % _� NOVEMBER 1ST THROUGH FEBRUARY 15TH ..........ANNUAL RYE
Y a ** SUBSTITUTE SERiCEA LESPEDEZA FOR CROWNVETCH EAST OF FARMVILLE, VA (MAY
EXTENSION OF FABRIC AND WIRE INTO THE TRENCH.
d THROUGH SEPTEMBER USE HULLED SERICEA, ALL OTHER PERIODS, USE UNHULLED SERICEA.)IF
{ d l; FLATPEA IS USED IN LIEU OF CROWNVETCH, INCREASE RATE TO 30 LBS./ACRE. ALL LEGUME SEED
FILTER FABRIC I{'�l` r)! SECTION A-A MUST BE PROPERLY INOCULATED. WEEPING LOVEGRASS MAY BE ADDED TO ANY SLOPE OR LOW
� � FILTER CLOTH KEY IN 6"-9' ; RECOMMENDED FOR ENTIRE PERIMETER
MAINTENANCE MIX DURING WARMER SEEDING PERIODS; ADD 10-20 LBS./ACRE IN MIXES.
i{ 1 %' �' NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION
f�' BASKET, OR CONCRETE.
REINFORCED CONCRETE DRAIN SPACE kQ
WIRE I I 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED
USING PLATES 3.18-3 AND 3.18-4.
SECTION- 13-13 —� - 3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT
LESS THAN 6 INCHES.
SOURCE: ADAPTED from 1983 Maryland Standards for Soil erosion and Sediment Control, and Va. DSWC Plate 3.02-1 SOURCE: Adapted from Installation of Straw and Fabric Filter Barriers for Sediment Control, PLATE. 3.05-1 Source: Va. DSWC Plate 3.18-1
Sherwood & Wyant
DATE
SF SILT FENCE
JUNE 6, 201 7
1 I I: SCALE 1 "-50' (HORIZONTAL)
S,G a t CONSTRUCTION OF A SILT FENCE
,4 �'''=Q (WITHOUT WIRE SUPPORT)
STORM SEWER PROFILE #228 - #230 (U.B.P. OUTFALLS 50 0 50 100
I- x I `J
1� ., �--.- ,._� !+ F'��`�f,. t'� ,1•►# -'.
13\0
SCALE IN FEET
�a_..., _ .. 1. SET THE STAKES. 2. EXCAVATE A 4"X 4 TRENCH 700 700
ALONG THE LINE OF "
�L���: .� ,� � . . >< .. •!"�. �' �' f ` � 1-. � � .. � � ,� MANHOLE 48 ES 1 CO
UPSLOPE
— PROPOSED GRADE
CONTOUR INTERVAL
STAKES. E.XISTI 1� GRADE SCALE 1"=5' (VERTICAL)
C dM 6' MAX } ( 5
Horizontal Scale: 1
PROFILE
695 _ o - --- - J Vertical Scale: 1 =5 —
If E95 2.5
I I r ;I + 0 +� T
I� c, Ln NOTE:
/ _ I I ' (/ (� z N SM #229 WILL NOT BE BUILT UNTIL z o
00
a� ALL UPSLOPE AREAS DRA�NG TO O 0 J
r � i P! , ,\L P %/L f� / — < II BTR. #228 ARE STABNJMAND THE < °
/' �� f — L� _ Q °° SCALE IN FEET
` } - r ' 1 cS H R' �� I. �" = 690 va Fr EX, SEDIMENT WIN IS RBMM,
Q
,� 0 ;Y FLOW - _ - PER C�Olil+ii'V IIBP'E:CTOR * - - ---- X90
f ) - t I APPROVAL 'THESE z
sU 8 + I t ii a ui r 11 j„°' I 11 ! I I E{iG�17c /�����/�Y�1�Gry�'iYP W
t t 3 f I I I 117\/6M��G
ALL OF 1 HE iM� I �1�V 1 �IR�
i It 1 J r� I j r vs sP t a N
_ RUNOFF
�FROM
��/�yBLOCK
� 2y�T�AND
/��}� tR
.A _ FUTURE BLOCK13 E�, f M/ !�.'D lArMl
tl�li I!�iC it it ' w ti'" `i 4" '
Ylr� 1� ,t nlral.zt; 1 06
685 685 p j'y �.
3. STAPLE FILTER MATERIAL 4. BACKFILL AND COMPACT _ VJ
TO STAKES AND EXTEND THE EXCAVATED SOIL. - - J dC
c
i �, _.._, ,'.�6"�I I,�,�''1-: �l at.>>i.;j `,�;:�I� IT INTO THE TRENCH. � O j Cf
;kSi 8 le i i'�j_ L `a�°I �I';d"�,_ y±� "` I t-r ; F �il� — �/
1 J kl i" I'� -t, , � . I ., t_3 �' ..<.: �-`!, I A.. ,� ...� tl i k; ^f' €fir. V +
VP f.
'(" F I Ai „�.ti "7. , •r" I� .++i ^!1 6VV __-_--_.__— 80 z 1
`''�� R/ 0 231 OUTLET PR TECTION
�N ,
,� 1 k 48" HDP Cl. �''"�
-14 sY' I W/ Underlying filter Fabric
V
IIILLI
J;---'- - 77-7-7-7 in. Stone D pth=18"
;_ See Detail
^ Specifications
3 r p
I' F ._I 1'?,t f-`1, .. *�s !<.<. i� _ �/ ,.-� �-•i --- 675 C _ E 6>7 � I� � � :
T3 :I I
FLDW
P: _--
j
Irl
. - O
� 163 NORMAL W E-672.6(1 �
a s (10Ij ILIIHDIP
4g'7 LF F
s 227 0.49% EXISTING POND
oo
qa
°` ;, E SHEET FLOW INSTALLATION 48" HDPE _ 6>70 Z ,.J O
I-1� ! P. �)T1+-,',, 670
SECTION — (PERSPECTIVE VIEW) --
0 �AlLsk 0
aj
I i W
FLOW
A iix >a� � � T i I" ti { i'1 .l i must t �i�t f7lt (t i1 111111111 a inch tm li -� 11 3 o O
III Lb '' li 'w ji "h1_ fl �` i 1 11� ' `1111, � .1' 11111 1" 1 f 1, � �tl�'�1�� �d.11" ������ li;I� A I �> i A 665 � � � 6>85
"d1111#1I:'w�i till.` �1'ii �l�i; i i ;tli�r1z�Iia. (0 file,. - \
i / }p II
1 : "al t.p a 1 YI11 til x I Iy;x [' Iil�=�l��e ,_ t+ tLill A ll J111 11 a5�1a"'!$l i_s -rl IY .I, .. 111
1 l 1 z O Z
-
RAC'K�//Mill 660 z z z 6`60
PAVED H
TH OF D FILE NUMBER
POINTS A SHOULD BE HIGHER THAN POINT B.
DRAINAGEWAY INSTALLATION c QIl CO H
w n - 8053
(FRONT ELEVATION) W 4 W x W W
IF, IN THE OPINION OF THE COUNTY E&S INSPECTOR, THE STANDARD CONSTRUCTION 0+00 0+50 1+00 1+50 2+00 2+50 3+OCD v
ENTRANCE IS UNDERPERFORMING OR NOT BEING PROPERLY MAINTAINED, COUNTY E& S SOURCE: Adapted from Installation of Straw and Fabric Filter Barriers for Sediment Control,VA. DSWC PLATE. 3.05-2 L. r
INSPECTOR MAY REQUEST AND PERMITTEE SHALL IMMEDIATELY INSTALL AND MAKE Sherwood and Wyant �^ m Lic. No.
OPERATIONAL,
49ft
OPERATIONAL, THE PAVED WASHRACK AS SHOWN., 22841
0
�11�s'1910NAL E"1 SHEET
—
6 of 6
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