HomeMy WebLinkAboutWPO202100017 Plan - VSMP 2021-03-19GENERALNOTES
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LEGEND
ROADS SEWER
CD �g� EXISTING SANITARY SEWER
� STORM PIPE & STRUCTURE NO.
�CD DROP INLET & STRUCTURE NO. WATER
CURB
0 CURB & GUTTER
BENCH MARK
. �. CLEARING LIMITS
- - 200 - -- EXISTING CONTOUR
200 - PROPOSED CONTOUR
+ 240.5 EXISTING SPOT ELEVATION
TC 240.5 PROPOSED SPOT ELEVATION
1O PARKING COUNT
EXISTING WATER LINE
GRADING
TC = TOP OF CURB
BC = BACK OF CURB
EP = EDGE OF PAVEMENT
TW = TOP OF WALL
BW = BOTTOM OF WALL
TS = TOP OF STAIRS
BS = BOTTOM OF STAIRS
N/A = NOT APPLICABLE TO THIS PROJECT
GENERAL CONSTRUCTION NOTES FOR EROSION AND SEDIMENT CONTROL
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
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:OOAM
TO 9:OOPM.
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 STRUCTURES/IMPROVEMENTS, AND DAMAGE TO
ANY PUBLIC STREET BECAUSE OF 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 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 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVAL 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 APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR.
19. MAINTENANCE: ALL MEASURES SHALL BE INSPECTED WEEKLY AND AFTER EACH RAINFALL EVENT. ANY DAMAGE OR CLOGGING TO
STRUCTURAL MEASURES SHALL BE REPAIRED IMMEDIATELY. SILT TRAPS SHALL BE CLEANED WHEN 50% OF THE WET STORAGE
VOLUME IS FILLED WITH SEDIMENT. ALL SEEDED AREAS SHALL BE RESEEDED WHEN NECESSARY TO ACHIEVE A GOOD STAND OF
GRASS. SILT FENCE AND DIVERSION DYKES WHICH COLLECT SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND REPAIRED
IMMEDIATELY.
20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL 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 WTIHIN 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)
1. CONTRACTOR SHALL COORDINATE ALL REQUIREMENTS FOR AS BUILT DOCUMENTATION, AS REQUIRED BY THE LOCALITY. THIS INCLUDES, BUT IS NOT
LIMITED TO, TESTING, INSTALLATION DOCUMENTATION, SURVEY, ETC. ALL REQUIREMENTS SHALL BE DISCUSSED WITH THE LOCALITY PRIOR TO THE
BEGINNING CONSTRUCTION.
2. ALL MATERIALS AND CONSTRUCTION SHALL BE IN ACCORDANCE WITH CURRENT VIRGINIA DEPARTMENT OF TRANSPORTATION'S SPECIFICATIONS AND
STANDARDS.
3. PRIOR TO ANY CONSTRUCTION, THE CONTRACTOR SHALL CONSULT THE ENGINEER AND VERIFY THE APPROVAL OF THE PLANS BY ALL FEDERAL,
STATE AND LOCAL AGENCIES.
3. LAND USE PERMITS (LUP-A) MUST BE OBTAINED FROM THE VIRGINIA DEPARTMENT OF TRANSPORTATION PRIOR TO BEGINNING ANY CONSTRUCTION
WITHIN THE EXISTING STATE MAINTAINED RIGHT OF WAY (INCLUDING ACCESS).
4. VDOT IS TO RECEIVE WRITTEN NOTIFICATION 48 HOURS PRIOR TO COMMENCING WITH INITIAL CONSTRUCTION ACTIVITIES.
5. THE CONTRACTOR SHALL VERIFY THE ELEVATIONS OF ALL POINTS OF CONNECTION OR PROPOSED WORK TO EXISTING CURBS, SANITARY LINES,
WATERLINES, ETC, PRIOR TO CONSTRUCTION.
6. UPON DISCOVERY OF SOILS THAT ARE UNSUITABLE FOR FOUNDATIONS, SUBGRADES, OR OTHER ROADWAY CONSTRUCTION PURPOSES, THE
CONTRACTOR SHALL IMMEDIATELY CONTACT THE OWNER. THESE AREAS SHALL BE EXCAVATED BELOW PLAN GRADE AS DIRECTED BY THE OWNER'S
REPRESENTATIVE, BACKFILLED WITH SUITABLE MATERIAL AND COMPACTED IN ACCORDANCE WITH SPECIFICATIONS.
7. ALL STORM SEWER DESIGN AND CONSTRUCTION TO BE IN ACCORDANCE WITH VDOT STANDARDS.
8. ALL STORM SEWER PIPE SHALL BE REINFORCED TONGUE AND GROVE CONCRETE PIPE IN ACCORDANCE WITH ASTM-C-76. PIPE WITHIN THE RIGHT OF
WAY SHALL BE MINIMUM CLASS III OR GREATER IN ACCORDANCE WITH CURRENT VDOT STANDARDS AND SPECIFICATIONS.
9. IF PRE -CAST UNITS ARE TO BE USED, VDOT SHALL BE NOTIFIED AND THE MANUFACTURER SHALL SUBMIT DRAWING DETAILS FOR REVIEW.
CERTIFICATION AND VDOT STAMP WILL BE REQUIRED ON ALL UNITS.
10. ALL CONCRETE SHALL BE A3-AE (AIR ENTRAINED 3,000 PSI), UNLESS OTHERWISE NOTED.
11. ALL ENTRANCES ARE TO BE DESIGNED AND CONSTRUCTED IN ACCORDANCE WITH CURRENT VDOT STANDARDS.
12. DESIGN CHANGES, SPECIFIED MATERIALS CHANGES AND/OR FIELD CHANGES FROM THE APPROVED PLANS NEED TO BE RESUBMITTED TO THE
ENGINEER PRIOR TO PROCEEDING WITH THE WORK. A LETTER OF EXPLANATION SHALL ACCOMPANY THE REVISED PLANS AND/OR THE DRAINAGE
CALCULATIONS, WHICH MUST BE SUBMITTED AND APPROVED BY THE ENGINEER.
13. CONTRACTOR SHALL VERIFY LOCATION AND ELEVATION OF ALL UNDERGROUND UTILITIES SHOWN ON PLANS IN AREAS OF CONSTRUCTION PRIOR TO
STARTING WORK. CONTACT ENGINEER IMMEDIATELY IF LOCATION OR ELEVATION IS DIFFERENT FROM THAT SHOWN ON PLAN. IF THERE APPEARS TO
BE A CONFLICT, AND/OR UPON DISCOVERY OF ANY UTILITY NOT SHOWN ON THIS PLAN, CALL MISS UTILITY OF CENTRAL VIRGINIA AT 1-800-552-7001.
THE OWNER SHALL BE RESPONSIBLE FOR THE RELOCATION OF ANY UTILITY WITHIN EXISTING AND/OR PROPOSED RIGHT-OF-WAY REQUIRED BY THE
DEVELOPMENT.
14. CASING SLEEVES SHALL BE PLACED AT ALL ROAD CROSSINGS FOR GAS, POWER, TELEPHONE AND CABLE TV SERVICE TRUNK LINES. (N/A)
15. THE INSTALLATION OF SEWER, WATER, AND GAS MAINS (INCLUDING SERVICE LATERALS AND SLEEVES) SHALL BE COMPLETED PRIOR TO THE
PLACEMENT OF AGGREGATE BASE COURSE.
16. VDOT & ALBEMARLE COUNTY APPROVAL OF CONSTRUCTION PLANS DOES NOT PRECLUDE THE RIGHT TO REQUIRE ADDITIONAL FACILITIES AS DEEMED
NECESSARY.
17. VDOT SHALL HAVE APPROVED THE AGGREGATE BASE COURSE(S) FOR DEPTH, TEMPLATE AND PERFORMED THE REQUIRED FIELD INSPECTION (PROOF
ROLL) PRIOR TO PLACEMENT OF ANY SURFACE COURSE(S). CONTACT THE OWNER'S REPRESENTATIVE FOR INSPECTION FOR THE AGGREGATE BASE
COURSE(S) 48 HOURS PRIOR TO APPLICATION OF THE SURFACE COURSE(S).
18. A PRIME COAT SEAL BETWEEN THE AGGREGATE BASE AND BITUMINOUS CONCRETE WILL BE REQUIRED AT THE RATE OF 0.30 GALLONS PER SQUARE
YARD (REC-250 PRIME COAT) PER VDOT STANDARDS AND SPECIFICATIONS.
19. THE SCHEDULING OF AGGREGATE BASE INSTALLATION AND SUBSEQUENT PAVING ACTIVITIES SHALL ACCOMMODATE FORECAST WEATHER
CONDITIONS PER SECTION 315 OF THE ROAD AND BRIDGE SPECIFICATIONS.
20. THE OWNER'S REPRESENTATIVE SHALL HAVE APPROVED THE AGGREGATE BASE COURSE(S) FOR DEPTH, TEMPLATE AND PERFORMED THE REQUIRED
FIELD INSPECTION (PROOF ROLL) PRIOR TO PLACEMENT OF ANY SURFACE COURSE(S). CONTACT THE OWNER FOR INSPECTION FOR THE AGGREGATE
BASE COURSE(S) 48 HOURS PRIOR TO APPLICATION OF THE SURFACE COURSE(S).
21. A GEOTECHNICAL ENGINEER IS TO ASCERTAIN CAUSE AND CERTIFY RECOMMENDED METHOD OF REPAIR FOR ALL PAVEMENT STRUCTURAL FAILURES
PRIOR TO STATE ACCEPTANCE. (N/A)
22. ALL VEGETATION AND ORGANIC MATERIAL IS TO BE REMOVED FROM THE PROPOSED PAVEMENT LIMITS PRIOR TO CONDITIONING OF THE SUBGRADE.
23. CERTIFICATION AND SOURCE OF MATERIALS ARE TO BE SUBMITTED TO THE OWNER'S REPRESENTATIVE FOR ALL MATERIALS AND BE IN ACCORDANCE
WITH THE ROAD AND BRIDGE SPECIFICATIONS, AND ROAD AND BRIDGE STANDARDS.
24. APPROVAL OF A DETAILED CONSTRUCTION SEQUENCING/MAINTENANCE OF TRAFFIC NARRATIVE FOR THE WORK ZONE IS A PREREQUISITE FOR
ISSUANCE OF A LAND USE PERMIT ALLOWING ACCESS TO AND CONSTRUCTION WITHIN VDOT MAINTAINED RIGHT OF WAY. (N/A)
25. GRADE LINES ON PROFILES DENOTE FINISHED GRADE OF CENTER LINE
OF ROAD. (N/A)
26. ALL APPROACH GUTTERS TO SAG INLETS SHALL MAINTAIN A MINIMUM
SLOPE OF 0.004 ft./ft.
27. WHERE A TYPE "B" NOSE IS SPECIFIED ON AN INLET IN CONJUNCTION WITH ROLL FACE CURB AND GUTTER OR CG-7, THERE SHALL BE A 20' TRANSITION
ON EACH SIDE OF THE INLET. (N/A)
28. CONTRACTOR SHALL PROVIDE A SEQUENCE OF CONSTRUCTION/MAINTENANCE OF TRAFFIC PLAN IN ACCORDANCE WITH THE STANDARDS AND
GUIDELINES CONTAINED IN THE 2011 EDITION OF THE VIRGINIA WORK AREA PROTECTION MANUAL FOR REVIEW BY THE ENGINEER, OWNER'S
REPRESENTATIVE, AND VDOT PRIOR TO STARTING WORK THAT IMPACTS TRAFFIC ON STATE ROADS.
29. ALL NEW HANDICAP ACCESSIBLE REQUIREMENTS ON -SITE AND WITHIN ALL NEW STRUCTURES SHALL COMPLY WITH THE 2015 UNIFORM STATEWIDE
BUILDING CODE, 2015 VIRGINIA CONSTRUCTION CODE, 2010 ADA STANDARDS FOR ACCESSIBLE DESIGN, AND ICC/ANSI A117.1-03.
30. THE CLEAR ZONE IS TO BE FREE OF STORED MATERIALS AND PARKED EQUIPMENT.
31. HORIZONTAL AND VERTICAL SIGHT DISTANCES SHALL BE FREE OF PARKED VEHICLES.
32. ALL EXCAVATED AREAS WITHIN THE CLEAR ZONE THAT HAVE A DEPTH GREATER THAN 6" SHALL HAVE A 6:1 STONE WEDGE PLACED AT THE END OF
THE DAY
33. VISIBILITY OF ALL MECHANICAL EQUIPMENT FROM THE ENTRANCE CORRIDOR SHALL BE ELIMINATED.
34. ACCESSIBLE PARKING SPACES AND ACCESS AISLES SHALL NOT HAVE A SURFACE SLOPE GREATER THAN 1:48. ACCESS AISLES SHALL BE AT THE SAME
LEVEL AS THE PARKING SPACE THEY SERVE. ACCESSIBLE PARKING SPACES SHALL BE LOCATED ON THE SHORTEST ACCESSIBLE ROUTE OF TRAVEL
FROM ADJACENT PARKING TO AND ACCESSIBLE BUILDING ENTRANCE. IN PARKING FACILITIES THAT DO NOT SERVE A PARTICULAR BUILDING,
ACCESSIBLE PARKING SPACES SHALL BE LOCATED ON THE SHORTEST ROUTE TO AN ACCESSIBLE PEDESTRIAN ENTRANCE TO THE PARKING FACILITY.
WHERE BUILDINGS HAVE MULTIPLE ACCESSIBLE ENTRANCES WITH ADJACENT PARKING, ACCESSIBLE PARKING SPACES SHALL BE DISPERSED AND
LOCATED NEAR THE ACCESSIBLE ENTRANCES.
35. ALL ROOF DRAINS SHALL DISCHARGE IN A MANNER NOT TO CAUSE A PUBLIC NUISANCE AND NOT OVER SIDEWALKS.
ALBEMARLE COUNTY ENGINEERING 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.
3. EROSION AND SILTATION CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WITH THE APPROVED EROSION CONTROL PLAN AND MUST 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).
10. RETAINING WALLS GREATER THAN 3 FEET IN HEIGHT REQUIRE A SEPARATE BUILDING PERMIT. WALLS EXCEEDING 4 FEET IN HEIGHT REQUIRE A
STAMPED ENGINEERED DESIGN ALSO. WALLS REQUIRE INSPECTIONS AS OUTLINED IN THE USBC.
11. ALL WATER LINES, SEWER LINES AND FIRE LINES FROM THE MAIN TO THE STRUCTURE MUST HAVE A VISUAL INSPECTION PERFORMED BY THE
BUILDING DEPARTMENT.
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ALBEMARLE COUNTY STORMWATER MANAGEMENT NOTES I z
1. ALL DAMS AND CONSTRUCTED FILL TO BE WITHIN 95% OF MAXIMUM DRY DENSITY AND 2% OF OPTIMUM MOISTURE CONTENT. ALL FILL MATERIAL TO
BE APPROVED BY A GEOTECHNICAL ENGINEER. A GEOTECHNICAL ENGINEER IS TO BE PRESENT DURING CONSTRUCTION OF DAMS.
2. PIPE AND RISER JOINTS ARE TO BE WATERTIGHT WITHIN STORMWATER MANAGEMENT FACILITIES.
3. FOR TEMPORARY SEDIMENT TRAPS OR BASINS WHICH ARE TO BE CONVERTED TO PERMANENT STORMWATER MANAGEMENT FACILITIES; CONVERSION
IS NOT TO TAKE PLACE UNTIL THE SITE IS STABILIZED, AND PERMISSION HAS BEEN OBTAINED FROM THE COUNTY EROSION CONTROL INSPECTOR. 0
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42932
BOLLARD DETAIL
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PRECAST CONCRETE WHEEL STOP
CONCRETE SIDEWALK PAVEMENT SECTION
SHEET NO.
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DATE
12-30-2020
DRAWN BY
A. FONTAINE
DESIGNED BY
C. SHIFFLETT
CHECKED BY
C. SHIFFLETT
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JOB NO.
42932
SHEET NO.
Cz. 0
EROSION AND SEDIMENT CONTROL NARRATIVE:
PROJECT DESCRIPTION
THIS PROJECT INCLUDES THE CONSTRUCTION OF A NEW COMMERCIAL BUILDING AND PARKING LOT WITH
ASSOCIATED UTILITIES & LANDSCAPING. LIMITS OF CLEARING AND GRADING ARE 0.79 ACRES.
ADJACENT PROPERTY
THE PROPERTY IS BOUNDED BY IVY ROAD (STATE ROUTE 250) ON THE SOUTHWEST, C&O RAILROAD
BUCKINGHAM BRANCH ON THE NORTH, AND AN EXISTING COMMERCIAL LOT TO THE EAST.
EXISTING SITE CONDITIONS
THE EXISTING SITE IS MOSTLY WOODED, WITH A GRAVEL TURNAROUND ADJACENT TO IVY ROAD AND A
PORTION OF A PARKING LOT SERVING THE ADJACENT PARCEL ALONG THE EAST SIDE.
OFF -SITE AREAS
NO OFFSITE AREAS WILL BE DISTURBED. ANY OFF -SITE LAND -DISTURBING ACTIVITY ASSOCIATED WITH THE
PROJECT SHALL HAVE AN APPROVED ESC PLAN.
CRITICAL EROSION AREAS
EARLY ESTABLISHMENT AND PROPER MAINTENANCE OF PERIMETER CONTROLS WILL PROVIDE
SEDIMENTATION CONTROL. ALL SLOPES STEEPER THAN 3:1 SHALL BE STABILIZED WITH BLANKET MATTING.
EROSION AND SEDIMENT CONTROL MEASURES
UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL
PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND
SPECIFICATIONS OF THE CURRENT ADDITION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL
HANDBOOK. THE MINIMUM STANDARDS OF THE VESCH SHALL BE ADHERED TO UNLESS OTHERWISE WAIVED
OR APPROVED BY A VARIANCE BY LOCAL AUTHORITIES HAVING JURISDICTION.
STRUCTURAL PRACTICES:
1. TEMPORARY CONSTRUCTION ENTRANCE - 3.02 A TEMPORARY CONSTRUCTION ENTRANCE SHALL BE
PROVIDED AT THE LOCATION INDICATED ON THE PLANS. IT IS IMPERATIVE THAT THIS MEASURE BE
MAINTAINED THROUGHOUT CONSTRUCTION. ITS PURPOSE IS TO REDUCE THE AMOUNT OF MUD
TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF.
2. SILT FENCE BARRIER - 3.05 SILT FENCE SEDIMENT BARRIERS SHALL BE INSTALLED DOWNSLOPE OF
AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT -LADEN RUNOFF FROM SHEET FLOW AS INDICATED.
ITS PURPOSE IS TO INTERCEPT SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS AND PREVENT
SEDIMENT FROM LEAVING THE SITE.
3. STORM DRAIN INLET PROTECTION - 3.07 STONE FILTERS SHALL BE PLACED AT THE INLET OF ALL
DRAINAGE STRUCTURES AS INDICATED ON PLANS. ITS PURPOSE IS TO PREVENT SEDIMENT FROM
ENTERING THE STORM DRAINAGE SYSTEM PRIOR TO PERMANENT STABILIZATION.
4. DIVERSION DIKE - 3.09, 3.11 & 3.12 A TEMPORARY RIDGE OF COMPACTED SOIL TO DIVERT WATER FROM
A CERTAIN AREA.
6. DUST CONTROL - 3.39 DUST CONTROL IS TO BE USED THROUGH THE SITE IN AREAS SUBJECT TO
SURFACE AND AIR MOVEMENT.
VEGETATIVE PRACTICES:
1. TOPSOIL (TEMPORARY STOCKPILE) - 3.30 TOPSOIL SHALL BE STRIPPED FROM AREAS TO BE GRADED
AND STOCKPILED FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL BE LOCATED ONSITE AND
SHALL BE STABILIZED WITH TEMPORARY SILT FENCE AND VEGETATION.
2. TEMPORARY SEEDING - 3.31 ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR MORE THAN 30
DAYS SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY VEGETATION IMMEDIATELY FOLLOWING
GRADING OF THOSE AREAS. SELECTION OF THE SEED MIXTURE SHALL DEPEND ON THE TIME OF YEAR IT
IS APPLIED.
3. PERMANENT SEEDING - 3.32 FOLLOWING GRADING ACTIVITIES, ESTABLISH PERENNIAL VEGETATIVE
COVER BY PLANTING SEED TO REDUCE EROSION, STABILIZE DISTURBED AREAS, AND ENHANCE NATURAL
BEAUTY.
4. MULCHING - 3.35 APPLICATION OF PLANT RESIDUES OR OTHER SUITABLE MATERIALS TO THE SOIL
SURFACE, TO PREVENT EROSION BY PROTECTING THE SOIL SURFACE AND TO FOSTER THE GROWTH OF
VEGETATION.
5. SOIL STABILIZATION BLANKETS & MATTING - 3.36 A PROTECTIVE COVERING BLANKET OR SOIL
STABILIZATION MAT SHALL BE INSTALLED ON PREPARED PLANTING AREAS OF CHANNELS TO PROTECT
AND PROMOTE VEGETATION ESTABLISHMENT AND REINFORCE ESTABLISHED TURF.
MANAGEMENT STRATEGIES
1. PROVIDE SEDIMENT TRAPPING MEASURES AS A FIRST STEP IN GRADING, SEED AND MULCH
IMMEDIATELY FOLLOWING INSTALLATION.
2. PROVIDE TEMPORARY SEEDING OR OTHER STABILIZATION IMMEDIATELY AFTER GRADING.
3. ISOLATE TRENCHING FOR UTILITIES AND DRAINAGE FROM DOWNSTREAM CONVEYANCES IN ORDER TO
MINIMIZE PERIMETER CONTROLS.
4. ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE MAINTAINED UNTIL THEY ARE NO LONGER
REQUIRED TO COMPLY WITH THE CONTRACT DOCUMENTS OR STATE LAW.
PERMANENT STABILIZATION
ALL NON -PAVED AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH PERMANENT SEEDING
IMMEDIATELY FOLLOWING FINISHED GRADING. SEEDING SHALL BE IN ACCORDANCE WITH STD. & SPEC.
3.32, PERMANENT SEEDING. SEED TYPE SHALL BE AS SPECIFIED FOR "MINIMUM CARE LAWNS' AND
"GENERAL SLOPES" IN THE HANDBOOK FOR SLOPES LESS THAN 3:1. FOR SLOPES GREATER THAN 3:1, SEED
TYPE SHALL BE AS SPECIFIED FOR "LOW MAINTENANCE SLOPES' IN TABLE 3.32-D OF THE HANDBOOK. FOR
MULCH (STRAW OR FIBER) SHALL BE USED ON ALL SEEDED SURFACES. IN ALL SEEDING OPERATIONS SEED,
FERTILIZER AND LIME SHALL BE APPLIED PRIOR TO MULCHING.
SEQUENCE OF INSTALLATION
PHASE I (SEE SHEET C3.2)
1. A PRE -CONSTRUCTION MEETING IS REQUIRED WITH ALBEMARLE COUNTY E&S INSPECTOR, CONTRACTOR,
OWNER, AND ENGINEER. THIS MEETING SHALL TAKE PLACE AT ALBEMARLE COUNTY COMMUNITY
DEVELOPMENT BUILDING. CLEARING LIMITS MUST BE FLAGGED PRIOR TO THE MEETING WITH ONE (1)
WEEK OF NOTICE.
2. INSTALL CONSTRUCTION ENTRANCE, SUPER SILT FENCE AND OTHER PERIMETER MEASURES. MAINTAIN
EXISTING PAVED ACCESS FOR PARCEL TMP 58A2-20A DURING CONSTRUCTION.
3. INSTALL CLEAN WATER DIVERSIONS.
4. AFTER ALL EROSION AND SEDIMENT CONTROL MEASURES ARE IN PLACE, SITE WORK CAN BEGIN.
5. SEED ALL DENUDED AREAS PER VESCH STANDARDS.
PHASE II (SEE SHEETS C3.3)
1. INSTALL INLET PROTECTION WHERE SHOWN ON THE PHASE II EROSION AND SEDIMENT CONTROL PLAN
AS THE STORM SYSTEM IS CONSTRUCTED AND BECOMES OPERATIONAL.
2. FINE GRADE PROJECT AREA. APPLY PERMANENT SOIL STABILIZATION TO THESE AREAS WITHIN SEVEN
DAYS AFTER FINAL GRADE IS ACHIEVED.
3. ALL STORMWATER PIPING & STRUCTURES SHALL BE INSPECTED FOR SILT/SEDIMENT. IF PRESENT,
SILT/SEDIMENT SHALL BE CLEANED OUT FOR THE SYSTEM TO THE SATISFACTION OF THE E&S
INSPECTOR.
4. REMOVE CONSTRUCTION ENTRANCE PRIOR TO INSTALLATION OF PROPOSED DRIVEWAY. MAINTAIN
PAVED ACCESS FOR PARCEL TMP 58A2-20A DURING CONSTRUCTION.
5. ONCE CONSTRUCTION IS COMPLETE AND ALL CONTRIBUTING AREAS ARE STABILIZED, EROSION
CONTROL MEASURES CAN BE REMOVED UPON APPROVAL FROM THE E&S INSPECTOR.
MINIMUM STANDARDS:
AN EROSION AND SEDIMENT CONTROL PROGRAM ADOPTED BY A DISTRICT OR LOCALITY MUST BE
CONSISTENT WITH THE FOLLOWING CRITERIA, TECHNIQUES AND METHODS:
MS-1. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED 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 FOR LONGER THAN 30 DAYS. PERMANENT STABILIZATION
SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR.
MS-2. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCKPILES AND BORROW AREAS SHALL BE
STABILIZED OR PROTECTED WITH SEDIMENT TRAPPING MEASURES. THE APPLICANT IS RESPONSIBLE
FOR THE TEMPORARY PROTECTION AND PERMANENT STABILIZATION OF ALL SOIL STOCKPILES ON
SITE AS WELL AS BORROW AREAS AND SOIL INTENTIONALLY TRANSPORTED FROM THE PROJECT SITE.
MS-3. 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 ACHIEVED THAT IS UNIFORM, MATURE ENOUGH TO SURVIVE AND WILL
INHIBIT EROSION.
MS-4. SEDIMENT 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.
MS-5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND
DIVERSIONS IMMEDIATELY AFTER INSTALLATION.
MS-6. SEDIMENT TRAPS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE TOTAL DRAINAGE AREA
TO BE SERVED BY THE TRAP.
A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS PER ACRE OF
DRAINAGE AREA AND THE TRAP SHALL ONLY CONTROL DRAINAGE AREAS LESS THAN THREE ACRES.
MS-7. 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.
MS-8. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN
AN ADEQUATE TEMPORARY OR PERMANENT CHANNEL, FLUME OR SLOPE DRAIN STRUCTURE.
MS-9. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL
BE PROVIDED.
MS-10. 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.
MS-11. BEFORE NEWLY CONSTRUCTED STORMWATER CONVEYANCE CHANNELS OR PIPES 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.
MS-12. 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.
MS-13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN TWICE IN
ANY SIX-MONTH PERIOD, A TEMPORARY VEHICULAR STREAM CROSSING CONSTRUCTED OF
NONERODIBLE MATERIAL SHALL BE PROVIDED.
MS-14. ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING TO WORKING IN OR
CROSSING LIVE WATERCOURSES SHALL BE MET.
MS-15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WORK IN THE
WATERCOURSE IS COMPLETED.
MS-16. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING
STANDARDS IN ADDITION TO OTHER APPLICABLE 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 FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN
APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES
NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF -SITE 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.
MS-17. WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, PROVISIONS
SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR TRACKING ONTO THE
PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PAVED OR PUBLIC ROAD SURFACE, THE
ROAD SURFACE SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE
REMOVED FROM THE ROADS 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 DEVELOPMENT LOTS AS
WELL AS TO LARGER LAND -DISTURBING ACTIVITIES.
MS-18. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS
AFTER FINAL SITE STABILIZATION OR AFTER THE 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 SEDIMENTATION.
MS- 19. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE PROTECTED FROM
SEDIMENT DEPOSITION, EROSION AND DAMAGE DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK
FLOW RATE OF STORMWATER RUNOFF FOR THE STATED FREQUENCY STORM OF 24-HOUR DURATION
IN ACCORDANCE WITH THE STANDARDS AND CRITERIA LISTED IN SECTION 19 OF VIRGINIA
ADMINISTRATIVE CODE 9VAC25-840-40 MINIMUM STANDARDS.
GENERAL EROSION AND SEDIMENT CONTROL NOTES:
ES-1: UNLESS OTHERWISE INDICATED, CONSTRUCT AND MAINTAIN ALL VEGETATIVE AND STRUCTURAL EROSION
AND SEDIMENT CONTROL PRACTICES ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE
LATEST EDITION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA
REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS.
ES-2: THE CONTROLLING EROSION AND SEDIMENT CONTROL AUTHORITY WILL MAKE A CONTINUING REVIEW AND
EVALUATION OF THE METHODS AND EFFECTIVENESS OF THE EROSION CONTROL PLAN.
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ES 3: GR�PCDINGL OROLAND D SDTURBANCET CONTROL MEASURES PRIOR TO OR AS THE FIRST STEP IN CLEARING, I �%000 L004666
ES-4: MAINTAIN A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN ON THE SITE AT ALL TIMES
M
ES-5: PRIOR TO COMMENCING LAND -DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS
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(INCLUDING, BUT NOT LIMITED TO, OFFSITE BORROW OR WASTE AREA), SUBMIT A SUPPLEMENTARY
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EROSION CONTROL PLAN TO THE ARCHITECT/ENGINEER AND THE CONTROLLING EROSION AND SEDIMENT
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CONTROL AUTHORITY FOR REVIEW AND ACCEPTANCE.
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ES-6: PROVIDE ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND
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SEDIMENTATION AS DETERMINED BY THE RESPONSIBLE LAND DISTURBER. (MODIFIED NOTE)
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ES-7: ALL DISTURBED AREAS SHALL DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING
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ES-9: INSPECT ALL EROSION CONTROL MEASURES DAILY AND AFTER EACH RUNOFF- PRODUCING RAINFALL EVENT.
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SOILS INFORMATION:
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INFORMATION FROM NRCS & USDA SOIL SURVEY. AREAS DELINEATED ON C3.2 & C3.3.
O
16 - CODORUS SILT LOAM, 0 TO 2 PERCENT SLOPES, OCCASIONALLY FLOODED. MORE THAN 80 INCHES TO
RESTRICTIVE FEATURE, SOMEWHAT POORLY DRAINED, HYDROLOGIC SOIL GROUP B/D.
41C - YADKIN LOAM, 7 TO 15 PERCENT SLOPES. MORE THAN 80 INCHES TO RESTRICTIVE FEATURE, WELL
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DRAINED, HYDROLOGIC SOIL GROUP B.
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42C3 - YADKIN CLAY LOAM, 7 TO 15 PERCENT SLOPES, SEVERELY ERODED. MORE THAN 80 INCHES TO
RESTRICTIVE FEATURE, WELL DRAINED, HYDROLOGIC SOIL GROUP B.
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DATE
12-30-2020
DRAWN BY
A. FONTAINE
DESIGNED BY
C. SHIFFLETT
CHECKED BY
C. SHIFFLETT
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SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT AREA
1. SET POSTS AND EXCAVATE A 4"X4" 2. STAPLE WIRE FENCING TO
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TRENCH UPSLOPE ALONG THE LINE OF THE POSTS.
^` SLOT APPROXIMATELY 200 STAPLES REQUIRED
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MINIMUM CARE LAWN
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KENTUCKY 31 OR TURF -TYPE TALL FESCUE 90-100°k
IMPROVED PERENNIAL RYEGRASS 0-5%
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C. SHIFFLETT
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•
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SEASONAL NURSE CROP' 20 LBS.
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CONCRETE
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THE SHADE -TOLERANT GRASSES AND CLOVER ARE GOOD FOR
GRAVEL SHALL BE VDOT #3, #357 OR 5 COARSE AGGREGATE.
WOODLAND OPENINGS AND PARTIALLY SHADED SITES. MIX
SPECIFIC APPLICATION: THIS METHOD OF INLET PROTECTION IS
FORMULATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE DEPENDING
APPLICABLE WHERE HEAVY FLOWS ARE EXPECTED AND WHERE AN
ON THE AVAILABILITY OF EXISTING AND NEW PRODUCTS. WHILE THE
OVERFLOW CAPACITY IS NECESSARY TO PREVENT EXCESSIVE PONDING
FORMULA MAY CHANGE, THE GUIDING PHILOSOPHY AND FUNCTION OF
SPECIFIC APPLICATION: THIS METHOD OF INLET PROTECTION IS APPLICABLE AT
AROUND THE STRUCTURE.
THE MIX WILL NOT.
CURB INLETS WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO
CAUSE INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND
GRAVEL SHALL BE VDOT #3, #357 OR #5 COARSE AGGREGATE.
—
JOB NO.
UNPROTECTED AREAS.
IP 3.07- 6
IP 3.07- 3
42932
SLOPE STABILIZATION SEED MIX
STORMWATER INLET PROTECTION
STORM DRAIN INLET PROTECTION
SHEET NO.
C3.1
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LIMITS OF CLEARING AND GRADING
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SAF SAF SAFETY FENCE
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DD DIVERSION DIKE
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MU MULCHING
DC DUST CONTROL
* "VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK" SPECIFICATION NUMBER
*
3.01
3.02
3.05
3.07
3.09
3.11
3.31
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CE Q CONSTRUCTION ENTRANCE 3.02
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DD DIVERSION DIKE 3.09
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TS TEMPORARY SEEDING 3.31
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TMP 58A2-21
SR&DR LLC
D.B. 1597, PG. 226
D.B. 231, PG.585
D.B. 130, PG.109
ZONING: C1 COMMERCIAL
PRESENT USE. SERVICE
REPAIR GARAGE
PAVEMENT
3N
3 AND PARKING AGREEMENT
TTED AND APPROVED PRIOR
-AN APPROVAL.
58A2-20A
JOSEPH W JR
RUST
92, PG 686
21, PG.218
68, PG.151
1 COMMERCIAL
=FICE BLDG.
°
SD INLETIW GRATE 0 °
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PEA GRAVEL WALK
NOTE:
KNOX BOX LOCATION TO BE COORDINATED
WITH FIRE MARSHALL'S OFFICE
SCALE 1 "=20'
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12-30-2020
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CHECKED BY
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TMP 58A2-20A
RICHMOND, JOSEPH W JR
TRUST
D.B. 4992, PG. 686
D.B. 821, PG.218
D.B. 268, PG.151
ZONING: CI COMMERCIAL
USE: OFFICE BLDG.
TMP 58A2-21
SR&DR LLC
D.B. 1597, PG. 226
D.B. 231, PG.585
D.B. 130, PG.109
ZONING: C1 COMMERCIAL
PRESENT USE: SERVICE
REPAIR GARAGE
0
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EASEMENTS TO EXTENT NECESSARY TO
PROTECT THE ROADWAY FROM FLOODING
OR DAMAGE
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DATE
12-30-2020
DRAWN BY
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DESIGNED BY
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CHECKED BY
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42932
SHEET NO.
C5.0
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TOP OF WE
PLATE 517.
16"x12" ORIFI(
INV 515.
STEEL PLA
PRELIMINARY WATER QUANTITY ANALYSIS POINT 1
DRAINAGE AREA ANALYSIS (PRE -DEVELOPMENT)
PRE -DEVELOPED ONSITE AREA
AREA = 0.79 ACRES
0.52 ACRES (FORRESTED)
0.01 ACRES (MANAGED TURF)
0.25 ACRES (IMPERVIOUS)
TC=9.7MIN
Q (CFS) V (AC -FT)
1 YEAR 1.07 0.047
10 YEAR 3.48
PRE -DEVELOPED OFFSITE AREA
AREA = 4.03 ACRES
1.47 ACRES (FORRESTED)
1.48 ACRES (MANAGED TURF)
1.08 ACRES (IMPERVIOUS)
Te=6MIN
Q (CFS) V (AC -FT)
1 YEAR 4.42 0.229
10 YEAR 15.44
PRE -DEVELOPED COMBINED AT ANALYSIS POINT 1
Q (CFS) V (AC -FT)
1 YEAR 5.38 0.276
10 YEAR 18.66
DRAINAGE AREA ANALYSIS (POST-DEVELOPMEN
POST -DEVELOPED ONSITE AREA, DETAINED
AREA = 0.58 ACRES
0.00 ACRES (FORRESTED)
0.12 ACRES (MANAGED TURF)
0.46 ACRES (IMPERVIOUS)
Te=6MIN
Q (CFS) V (AC -FT)
1 YEAR 1.94 0.090
10 YEAR 4.05
POST -DEVELOPED OFFSITE AREA, DETAINED
AREA = 3.45 ACRES
1.32 ACRES (FORRESTED)
1.39 ACRES (MANAGED TURF)
0.74 ACRES (IMPERVIOUS)
TC=9.7MIN
Q (CFS) V (AC -FT)
1 YEAR 3.024 0.171
10 YEAR 12.28
FLOW THROUGH PIPE STORAGE
FLOWS ROUTED THROUGH DETENTION SYSTEM.
Q (CFS)
1 YEAR 3.42
10 YEAR 15.45
POST -DEVELOPED ONSITE AREA. UNDETAINED
AREA = 0.21 ACRES
0.00 ACRES (FORRESTED)
0.13 ACRES (MANAGED TURF)
0.08 ACRES (IMPERVIOUS)
TC=6MIN
Q (CFS) V (AC -FT)
1 YEAR 0.35 0.015
10 YEAR 1.03
POST -DEVELOPED OFFSITE AREA, UNDETAINED
AREA = 0.58 ACRES
0.15 ACRES (FORRESTED)
0.09 ACRES (MANAGED TURF)
0.34 ACRES (IMPERVIOUS)
TC=6MIN
Q (CFS) V (AC -FT)
1 YEAR 1.39 0.061
10 YEAR 3.45
POST -DEVELOPED COMBINED FLOW AT ANALYSIS
POINT 1
Q (CFS)
1 YEAR 4.61
10 YEAR 18.48
CHANNEL PROTECTION (ENERGY BALANCE):
QDEVELOPED < 0.80 • (QPRE-DEVELOPED ON -SITE • RVPRE-DEVELOPED ON -SITE) / RVDEVELOPED ON -SITE + QPRE-DEVELOPED OFF -SITE
OK 4.61 CFS <- 0.80 ' (1.07 CFS " 0.047 AC -FT) / (0.090 AC -FT + 0.015 AC -FT) + 4.42 CFS = 4.80 CFS
FLOOD PROTECTION:
POST -DEVELOPED Q10<- PRE -DEVELOPED Q10
OK 18.48 CFS <- 18.66 CFS
RACK.,.
INV 513.00
SWM WEIR PLATE SECTION DETAIL
10 YEAR WSE
517.43
2 YEAR WSE
515.73
1 YEAR WSE
515.06
ELEV.
513.00
WATER QUALITY ANALYSIS
SITE DATA
PRE DEVELOPED AREA
FOREST/OPEN SPACE = 0.52 ACRES
MANAGED TURF = 0.01 ACRES
IMPERVIOUS COVER = 0.26 ACRES
PRE DEVELOPMENT LOAD (TP) (LB/YR) = 0.58
POST DEVELOPED AREA
FOREST/OPEN SPACE = 0.00 ACRES
MANAGED TURF = 0.25 ACRES
IMPERVIOUS COVER = 0.54 ACRES
POST DEVELOPMENT LOAD (TP) (LB/YR) = 1.28
MAXIMUM PERCENT REDUCTION REQUIRED FOR REDEVELOPMENT = 10%
TOTAL LOAD REDUCTION REQUIRED (LB/YR) = 0.64 CREDITS TO BE
PURCHASED FROM A DEQ-APPROVED NUTRIENT CREDIT BANK IN
ACCORDANCE WITH VA CODE 62.1-44.35:15.
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s
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PRE -DEVELOPED OFFSITE AREA
ITOTAL: 4.03 AC
WOODS: 1.47 AC
iTURF: 1.48 AC
IMPERVIOUS: 1.08 AC
�CN=71 5:� \ 0 TC=9.7MIN. 00
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0
TOTAL: 0.79 AC 0 0 0
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TURF: 0.01 AC
IMPERVIOUS: 0.25 AC
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o ANALYSIS OINT \
0 P
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0
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POST -DEVELOPED OFFSITE AREA, DEl
TOTAL: 3.45 AC
WOODS: 1.32 AC
TURF: 1.39 AC
IMPERVIOUS: 0.74 AC
CN = 69
TC = 9.7 MIN.
s-��. wm� • 1 • 1 -
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WOODS: 0.15 AC
TURF: 0.09 AC,,
IMPERVIOUS: 0.34 AC
CN=82
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S ■ - - - - - _ - l l l l / l D.B. 1597, PG. 226
CRITICAL - - - - - - ~ ' I l 111 /ll / D.B. 231, PG.585
- • - — — — SLOPES, TYP. — \ ` - l l� I l / l D.B. 130, PG.109
- - - - - - - - � \ I I l ZONING: C1 COMMERCIAL
- - - - - 41V l I l l PRESENT USE: SERVICE
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110
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116 S19 4S?0 S?1 RICHMOND, JOSEPH W JR ■
TRUST ■
2� D B A PG 686 ■
® 5 �, \ ® D.B. 821, PG.218 ■
D.B. 268, PG.151
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515
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515
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PLANT SCHEDULE
TYPE
QTY
BOTANICAL NAME
COMMON NAME
MIN. INSTALLED SIZE
ROOT
CANOPY SF
TOTAL CANOPY
SHADE TREES
9
CARPINUS BETULUS
EUROPEAN HORNBEAM
2.5" CAL.
B&B
234
2,10E
FLOWERING TREES
10
CORNIUS FLORIDA
EASTERN DOGWOOD
6'-8' HT.
B&B
124
1,240
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4
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17
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D.B. 1597, PG. 226
D.B. 231, PG.585 0
D.B. 130, PG.109 =
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TRUST Q
• ® \ D.B. 4992, PG. 686
® D.B. 821, PG.218 J
D.B. 268, PG.151
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WHERE A PARKING AREA IS LOCATED SO THAT PARKED CARS ARE VISIBLE FROM AN OFF -SITE STREET, SHRUBS ARE TO 0 0 0 0 ° ° ° 0 0 ° ° ° 0 0 0 0 0 0 0 ° o ° ° 0 0 ° 0 0 ° ° ° 0 0 0 0 SCALE 1 "=20' oe No.
BE INSTALLED AT A MINIMUM HEIGHT OF 12". 0 20' 40' 42932
-ALL SITE PLANTINGS OF TREES AND SHRUBS SHALL BE ALLOWED TO REACH, AND BE MAINTAINED AT, MATURE HEIGHT;
THE TOPPING OF TREES IS PROHIBITED. SHRUBS AND TREES SHALL BE PRUNED MINIMALLY AND ONLY TO SUPPORT THE SHEET No.
OVERALL HEALTH OF THE PLANT. L1 . 0
LANDSCAPING ALONG THE FRONTAGE
OF E.C.
STREETS
* per Albemarle County ARB DESIGN GUIDELINES
STREET
LENGTH
REQUIREMENTS
CALCULATIONS
REQUIRED
PROVIDED
IVY ROAD
292 LF - 54 LF (WOODS
1 LG TREE PER 35 LF
WITH INTERSPERSED
238/35 = 6.8
7 LARGE TREES
8 LARGE TREES
TO REMAIN) = 238 LF
FLOWERING TREES
7 FLOWERING TREES
LANDSCAPING OF PARKING AREAS
* per Albemarle County ARB DESIGN GUIDELINES
REQUIREMENT
PARKING LOT SPACES
CALCULATIONS
REQUIRED
PROVIDED
1 LG. SHADE TREE PER 10
35 PARKING SPACES
35I10 = 3.5
4 LG. OR SHADE TREES
4 LARGE SHADE TREES
PARKING SPACES
INTERIOR PARKING LOT LANDSCAPE AREA
REQUIREMENTS
* per Sec. 32.7.9.E of the Albemarle County Code
REQUIREMENT
PARKING LOT AREA
CALCULATIONS
REQUIRED
PROVIDED
5%GROSS PARKING AREA
13,403 SF
13,403 x .05 = 671 SF
671 SF
907 SF (PARKING LOT
ISLANDS AREA)
TREE COVER
CALCULATIONS
* per Sec. 32.7.9.8 of the Albemarle County Code
SITE AREA
REQUIREMENT
CALCULATION
REQUIRED QUANTITY
PROVIDED QUANTITY
0.87 AC (GROSS SITE
10% COVER
0.87 AC x .1 = 0.087 AC
3,790 SF
3,814 SF
AREA)
= 3,789.2 SF
L