HomeMy WebLinkAboutWPO202100039 Plan - VSMP 2021-08-03MOUNTAIN
VSMP PLAN
ALBEMARLE COUNTY, VIRGINIA
VIEW ELEMENTARY
SCOPE OF WORK:
THE PROJECT CONSISTS OF THE INSTALLATION OF MODULAR CLASSROOM BUILDING CONTAINING 8
CLASSROOMS. ANCILLARY WORK ITEMS INCLUDE UTILITY CONNECTIONS, ADA ACCESS, AND FIRE TRUCK
ACCESS.
PROJECT INFORMATION:
OWNER:
COUNTY OF ALBEMARLE SCHOOL BOARD
401 MCINTIRE ROAD
CHARLOTTESVILLE, VA 22902
CONTACT: JOE LETTERI
PHONE: 434.975.9340
ENGINEER:
LINE+GRADE I CIVIL ENGINEERS
113 4TH STREET NE
CHARLOTTESVILLE, VA 22902
CONTACT: DANIEL C. HYER, PE
PHONE: 434.262.0169
SURVEYOR:
LINCOLN SURVEYING
632 BERKMAR CIR
CHARLOTTESVILLE, VA 22901
CONTACT: CHRIS KEAN
PHONE: 434.974.1417
PARCEL INFO:
PARCEL #: 09100-00-00-01300
1757 AVON STREET EXT.
CHARLOTTESVILLE, VA 22902
ZONED:R1
LEGAL AREA: 15.96 AC
ADDT'L INFORMATION:
DISTURBANCE AREA: 0.40 AC (17,625 SF)
PROPOSED IMPERVIOUS AREA: 0.23 AC IMPERVIOUS ADDED
STANDARD
ABBREVIATIONS
UTILITY OWNERS:
ELECTRIC:
DOMINION VIRGINIA POWER
PHONE:
VOIP (ACPS INTERNET CONTRACTOR)
WATER:
ALBEMARLE COUNTY SERVICE AUTHORITY
STORM SEWER:
ALBEMARLE COUNTY
SANITARY SEWER:
ALBEMARLE COUNTY SERVICE AUTHORITY
ID
INSIDE DIAMETER
R&D
REMOVE AND DISPOSE
ABAN
ABANDON
LA
LANDSCAPED AREA
R&R
REMOVE AND RESET
AC
ACRES
LF
LINEAR FEET
R&S
REMOVE AND STACK
ADJ
ADJUST
LOD
LIMITS OF DISTURBANCE
SB
SOUTHBOUND
APPROX
APPROXIMATE
LT
LEFT
SF
SQUARE FEET
ASPH
ASPHALT
MAX
MAXIMUM
SSD
STOPPING SIGHT DISTANCE
Q
BASELINE
MIN
MINIMUM
STA
STATION
BLDG
BUILDING
ME
MATCH EXISTING
SW
SIDEWALK
BM
BENCHMARK
NIC
NOT IN CONTRACT
TEMP
TEMPORARY
(L
CENTERLINE
N.T.S.
NOT TO SCALE
TRANS
TRANSITION
CF
CUBIC FEET
NB
NORTHBOUND
TYP
TYPICAL
CG
CURB AND GUTTER
OC
ON CENTER
WB
WESTBOUND
CONC
CONCRETE
OD
OUTSIDE DIAMETER
WSEL
WATER SURFACE ELEVATION
CONST
CONSTRUCTION
PRKG
PARKING
DI
DROP INLET
PROJ
PROJECT
DND
DO NOT DISTURB
PROP
PROPOSED
EB
EASTBOUND
PVMT
PAVEMENT
EL
ELEVATION
PM
PAVEMENT MARKING
EX
EXISTING
REM
REMOVE
FND
FOUNDATION
ROW
RIGHT-OF-WAY
GRVL
GRAVEL
RT
RIGHT
HC
HANDICAP
ALIGNMENT/GRADING
ABBREVIATIONS
BC
BACK OF CURB
PCC
POINT OF COMPOUND CURVATURE
BR
BOTTOM OF RAMP
PI
POINT OF INTERSECTION
BVCS
BEGIN VERTICAL CURVE STATION
PINT
POINT
BVCE
BEGIN VERTICAL CURVE ELEVATION
PR
PROPOSED ELEVATION
BW
BOTTOM OF WALL
PRC
POINT OF REVERSE CURVATURE
D OR A
DELTA ANGLE
PT
POINT OF TANGENCY
EG
EXISTING GRADE
PVC
POINT OF VERTICAL CURVATURE
EP
EDGE OF PAVEMENT
PVI
POINT OF VERTICAL INTERSECTION
EVCS
END VERTICAL CURVE STATION
PVT
POINT OF VERTICAL TANGENCY
EVCE
END VERTICAL CURVE ELEVATION
R
RADIUS
FG
FINISHED GRADE
TAN
TANGENT DISTANCE
FL
FLOWLINE
TC
TOP OF CURB
HP
HIGH POINT
THT
THROAT
INV
INVERT
TR
TOP OF RAMP
L
LENGTH
TW
TOP OF WALL
LP
LOW POINT
STA
STATION
LVC
LENGTH OF VERTICAL CURVATURE
SP
SADDLE POINT
PC
POINT OF CURVATURE
OFF
OFFSET
VICINITY MAP
SCALE: 1" = 30,000'
LOCATION MAP
SCALE: 1" = 1,000'
SHEET INDEX
Sheet Number Sheet Title
CO.0
Title Sheet
C0.1
General Notes
C1.0
Existing Conditions and Demolition Plan
C2.0
Erosion and Sediment Control Plan - Phase I
C2.1
Erosion and Sediment Control Plan - Phase II
C2.2
Erosion and Sediment Control Notes
C2.3
Erosion and Sediment Control Details
C3.0
Grading and Utility Plan
C4.0
Stormwater Management Plan and Details
9
TOTAL SHEETS
SUBMITTAL LOG
SUBMISSION NO. DESCRIPTION
1 100%
RECIPIENT
COMMUNITY DEVELOPMENT
SUBMITTAL DATE
07/08/2021
APPROVED
by the Albemarle County
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0710812021 'Z
DANIEL C. HYER
ic. No. 45596.
'10NAL B,A
APPROVED DCH
SUBMISSION NO. 1
PROJECT 1907100
T H E W 0 R K O F
- I N E + G R A D E
Como
GENERAL CONSTRUCTION NOTES: UTILITIES: CONCRETE AND ASPHALT:
1. ALL CONSTRUCTION METHODS AND MATERIALS SHALL BE IN ACCORDANCE WITH THE CURRENT VIRGINIA DEPARTMENT OF TRANSPORTATION ROAD AND
BRIDGE STANDARDS AND SPECIFICATIONS (VDOT RBS&S), VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, THE RULES AND REGULATIONS
WATER AND SANITARY SEWER CONSTRUCTION SPECIFICATIONS AND STANDARDS FOR THE PLAN APPROVING AUTHORITY AND ANY OTHER APPLICABLE
FEDERAL, STATE, OR LOCAL ORDINANCES, CODES, AND LAWS.
2. CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING ALL CONDITIONS, MATERIALS, DIMENSIONS LOCATIONS AND EXISTING ELEMENTS TO REMAIN IN
THE FIELD BEFORE PROCEEDINGS WITH ANY WORK. IF CONDITIONS VARY FROM WHAT IS REPRESENTED IN THE DRAWINGS, THE CONTRACTOR SHALL
IMMEDIATELY NOTIFY THE ENGINEER.
3. EXISTING CONSTRUCTION SHOWN IN THESE DRAWINGS SHALL BE USED AS RELATIVE REFERENCES AND ARE TO BE VERIFIED IN THE FIELD BY THE
CONTRACTOR IF DEEMED CRITICAL FOR PROPER EXECUTION OF THE WORK.
4. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL DUST CONTROL MEASURES.
5. PROVIDE ADEQUATE PROTECTION FOR THE EXISTING BUILDINGS, BUILDING OCCUPANTS, VEHICLES AND PEDESTRIANS AT ALL TIMES IN ACCORDANCE
WITH OSHA AND ALL APPLICABLE STATE AND LOCAL CODES.
6. MATERIALS AND EQUIPMENT SHALL BE STORED IN APPROVED AREAS TO PREVENT IMPACTS ON VEHICLES AND PEDESTRIANS. CONTRACTOR SHALL BE
FULLY RESPONSIBLE FOR MEASURES TAKEN TO ENSURE VEHICULAR AND PEDESTRIAN SAFETY THROUGH THE ENTIRE DURATION OF THE WORK. SAFETY
IS PARAMOUNT.
7. EQUIPMENT AND MATERIALS SHALL BE STORED IN DESIGNATED AREAS AND SHALL NOT ENCUMBER THE OWNER'S OPERATIONS, SURROUNDING RIGHT
OF WAY, OR ADJOINING GROUNDS.
8. ALL WORK AREAS SHALL BE CLEANED DAILY.
9. CONTRACTOR SHALL BE RESPONSIBLE FOR PROTECTION OF BUILDINGS ADJACENT TO WORK AREAS. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL
COSTS OF DAMAGES RESULTING FROM CONSTRUCTION ACTIVITIES.
10. SECTION CUTS AND DETAIL CALLOUTS INDICATED IN THE DRAWINGS ARE TYPICAL FOR THE PROJECT. THEY ARE TO BE CONSIDERED TYPICAL FOR SIMILAR
CONDITIONS AND HAVE NOT BEEN SHOWN EVERYWHERE THEY APPLY.
11. CONTRACTOR SHALL BE SOLELY RESPONSIBLE FOR JOB SITE SAFETY.
12. CONTRACTOR IS RESPONSIBLE FOR COORDINATION OF ALL CONSTRUCTION.
13. SYMBOLS IN THE DRAWINGS ARE NOT TO SCALE.
14. ALL WORK SHALL BE LAID -OUT PRIOR TO INSTALLATION OF NEW WORK BASED ON MEASUREMENT OF EXISTING CONSTRUCTION AND EXISTING
CONSTRUCTION DESIGNATED TO REMAIN AS PART OF THE PROJECT. DO NOT START INSTALLATION OF WORK UNTIL LAY -OUT IS COMPLETE AND POTENTIAL
CONFLICTS HAVE BEEN IDENTIFIED AND ADDRESSED.
15. THE CONTRACTOR SHALL BE HELD RESPONSIBLE FOR ALL DAMAGE TO THE EXISTING BUILDINGS AND ADJACENT GROUNDS AND PROPERTY CAUSE BY
THE CARELESSNESS OR NEGLECT OF HIS WORKMEN. DAMAGE TO PORTIONS OF THE PROPERTY NOT SUBJECT TO WORK UNDER THE CONTRACT SHALL BE
REPAIRED TO THE FULL SATISFACTION OF THE OWNER AND ENGINEER, AT THE CONTRACTOR'S EXPENSE.
16. PROTECTION OF THE WORK: PROTECT EFFECTIVELY ALL MATERIALS AND EQUIPMENT DURING THE ENTIRE PERIOD OF CONSTRUCTION. REPLACE
MATERIALS AND EQUIPMENT DAMAGED, LOST OR STOLEN WITHOUT ADDITIONAL COST TO THE OWNER.
17. PROTECT EXISTING MATERIALS DURING INSTALLATION OF TEMPORARY PROTECTION AND CONSTRUCTION. DO NOT DEFACE OR REMOVE EXISTING
MATERIALS IF INTENDED TO STAY. ATTACHMENTS OF TEMPORARY PROTECTION TO EXISTING CONSTRUCTION SHALL BE APPROVED BY THE ENGINEER
PRIOR TO INSTALLATION.
18. OBTAIN ENGINEER REVIEW AND WRITTEN APPROVAL IN THE FORM OF A CONSTRUCTION CHANGE DIRECTIVE OR SUPPLEMENTAL INSTRUCTION BEFORE
MAKING CHANGES OR ADDITIONS TO CONSTRUCTION OR REMOVING MATERIALS THAT WERE INTENDED TO REMAIN.
19. NOTIFY ENGINEER OF VISIBLE CHANGES IN THE INTEGRITY OF MATERIALS OR COMPONENTS WHETHER DUE TO ENVIRONMENTAL CAUSES INCLUDING
BIOLOGICAL ATTACK, UV DEGRADATION, FREEZING OR THAWING OR DUE TO STRUCTURAL DEFECTS INCLUDING CRACKS, MOVEMENT OR DISTORTION. DO
NOT PROCEED WITH WORK IN QUESTION UNTIL DIRECTED BY THE ENGINEER.
20. WHERE MISSING FEATURES ARE INDICATED TO BE REPAIRED OR REPLACED, PROVIDE FEATURES WHOSE DESIGNS ARE BASED ON ACCURATE
DUPLICATIONS RATHER THAN ON CONJECTURAL DESIGNS, SUBJECT TO APPROVAL OF THE ENGINEER.
21. WHERE WORK REQUIRES EXISTING FEATURES TO BE REMOVED, CLEANED AND REUSED, PERFORM THESE OPERATIONS WITHOUT DAMAGE TO THE
MATERIALS THEMSELVES, TO ADJACENT MATERIALS, OR TO THE SUBSTRATE. WHEN CLEANING, MATCH SAMPLES OF EXISTING MATERIALS THAT HAVE
BEEN CLEANED AND IDENTIFIED FOR ACCEPTABLE CLEANING LEVELS. AVOID OVER CLEANING TO PREVENT DAMAGE TO EXISTING MATERIALS DURING
CLEANING.
22. TEMPORARY MATERIALS MAY BE NEW OR USED, BUT MUST BE ADEQUATE IN FOR REQUIRED USAGE, MUST NOT CREATE UNSAFE CONDITIONS AND MUST
NOT VIOLATE REQUIREMENTS OF APPLICABLE CODES AND STANDARDS.
23. CONTRACTOR SHALL PROVIDE AND MAINTAIN ADEQUATE FIRE PROTECTION IN THE FORM OF FIRE EXTINGUISHER OR OTHER EFFECTIVE MEANS OF
EXTINGUISHING FIRE, READY FOR INSTANT USE, DISTRIBUTED AROUND THE PROJECT AND IN AND ABOUT TEMPORARY, INFLAMMABLE STRUCTURES
DURING CONSTRUCTION OF WORK. EXISTING FIRE HOSE CONNECTIONS SHALL BE ACCESSIBLE AT ALL TIMES BY FIRE DEPARTMENT PERSONNEL.
MATERIAL SAND DEBRIS SHALL NOT BE STORED IN FRONT OF THE CONNECTION, THUS PREVENTING ACCESS. THE CONTRACTOR SHALL COORDINATE
ACCESS PROCEDURES WITH THE FIRE MARSHALL.
24. GASOLINE AND OTHER FLAMMABLE LIQUIDS SHALL BE STORED AND DISPENSED FROM UL LISTED SAFETY CONTAINERS IN CONFORMANCE WITH THE
NATIONAL BOARD OF FIRE UNDERWRITERS' RECOMMENDATIONS.
25. SUBMITTALS ARE NOT REQUIRED IF CONTRACTOR ELECTS TO USE THE PROPRIETARY PRODUCTS LISTED. SUBMITTALS WILL BE REQUIRED IF CONTRACTOR
WISHES TO USE ALTERNATE PRODUCTS. ALL ALTERNATE PRODUCTS ARE SUBJECT TO REVIEW AND APPROVAL BY THE ENGINEER AND OWNER.
26. CONTRACTOR SHALL CALL MISS UTILITY AT 1-800-552-7001 BEFORE CONSTRUCTION COMMENCES.
27. TREE AND PLANT ROOTS OR BRANCHES THAT MAY INTERFERE WITH THE WORK SHALL BE TRIMMED OR CUT ONLY WITH THE APPROVAL OF THE OWNER
AND ENGINEER. ANY TREES OR PLANTS WHICH ARE SHOWN TO REMAIN THAT DO NOT INTERFERE WITH THE WORK, BUT ARE DAMAGED BY CONTRACTOR
OR HIS SUB -CONTRACTORS, SHALL BE REPLACED BY CONTRACTOR AT NO ADDITIONAL COST.
28. ACCESSIBLE ROUTES AND FEATURES MUST MEET ICC A117.1-09
WORK AREA PROTECTION AND MAINTENANCE:
1. CLEARING AND GRUBBING SHALL BE CONFINED TO THOSE AREAS NEEDED FOR CONSTRUCTION, AND AS SHOWN IN THE DRAWINGS.
2. DISTURBED AREAS BEYOND THE ROADWAY CURB AND WHERE INDICATED ON THE PLANS SHALL RECEIVE TOPSOIL AS NECESSARY AND AS DIRECTED.
SEEDING MIXTURE SHALL BE DETERMINED BY THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK SECTION 3.32
3. CONTRACTOR IS PERMITTED TO WORK IN THE PUBLIC RIGHT-OF-WAY AND ANY TEMPORARY OR PERMANENT EASEMENT SHOWN ON THE PLANS.
HOWEVER, CONTRACTOR SHALL NOTIFY PROPERTY OWNER(S) FORTY-EIGHT (48) HOURS PRIOR TO WORKING ON ANY PRIVATE PROPERTY TO COORDINATE
ACCESS AND TO DETERMINE A STORAGE AREA FOR MATERIALS IF NEEDED. COORDINATION OF ACCESS TO PUBLIC RIGHT-OF-WAY AND STORAGE OF
MATERIALS THEREON SHALL BE COORDINATED WITH THE ENGINEER. CONTRACTOR'S FAILURE TO NOTIFY AND COORDINATE WITH PROPERTY OWNERS
AND/OR THE ENGINEER MAY RESULT IN DELAYS. NO ADDITIONAL COMPENSATION OR TIME FOR PERFORMANCE WILL BE GIVEN FOR ANY SUCH DELAYS.
4. CONTRACTOR SHALL, AT HIS EXPENSE, MAINTAIN THE WORK SITE IN A CLEAN AND ORDERLY APPEARANCE AT ALL TIMES. ALL DEBRIS AND SURPLUS
MATERIAL COLLECTED SHALL BE DISPOSED OF OFF THE WORK SITE BY CONTRACTOR, AT HIS EXPENSE.
5. EXISTING LAWNS, TREES, SHRUBS, FENCES, UTILITIES, CULVERTS, WALLS, WALKS, DRIVEWAYS, POLES, SIGNS, RIGHT-OF-WAY MONUMENTS, MAILBOXES
AND THE LIKE SHALL BE PROTECTED FROM DAMAGE DURING THE WORK. ANY DAMAGE CAUSED TO SUCH ITEMS SHALL BE REPAIRED OR REPLACED BY
CONTRACTOR AT NO ADDITIONAL COST. PROPERTY PINS DISTURBED BY CONTRACTOR THAT ARE NOT SHOWN ON THE PLANS TO BE DISTURBED SHALL BE
RESTORED BY LICENSED SURVEYOR AT THE CONTRACTOR'S EXPENSE.
6. MEASURES TO CONTROL EROSION AND SEDIMENT SHALL BE PROVIDED PURSUANT TO AND IN COMPLIANCE WITH CURRENT FEDERAL, STATE AND LOCAL
REGULATIONS. THE INFORMATION CONTAINED IN THE CONSTRUCTION PLANS AND/OR APPROVAL OF THE PLANS SHALL IN NO WAY RELIEVE THE
CONTRACTOR OR HIS AGENT OF ANY LEGAL RESPONSIBILITY WHICH MAY BE REQUIRED BY THE CODE OF VIRGINIA OR ANY ORDINANCE ENACTED BY THE
CITY OF CHARLOTTESVILLE. CONTRACTOR SHALL PROVIDE THE NECESSARY DIVERSION DITCHES, DIKES, OR TEMPORARY CULVERTS REQUIRED TO
PREVENT MUD AND DEBRIS FROM BEING WASHED ONTO THE STREETS OR ADJACENT PROPERTY. CONTRACTOR'S VEHICLES SHALL BE KEPT CLEAN TO
PREVENT MUD OR DUST FROM BEING DEPOSITED ON STREETS. NO AREA SHALL BE LEFT DENUDED FOR MORE THAN SEVEN (7) CALENDAR DAYS.
7. CONTRACTOR SHALL CLEAN UP, RESTORE, SEED AND MAINTAIN ALL DISTURBED AREAS IMMEDIATELY UPON COMPLETION OF WORK. TOPSOIL SEED,
FERTILIZER AND MULCH SHALL BE PLACED IN ACCORDANCE WITH ALBEMARLE COUNTY STANDARDS ON ALL DISTURBED AREAS. A PERMANENT STAND OF
GRASS ADEQUATE TO PREVENT EROSION SHALL BE ESTABLISHED PRIOR TO FINAL ACCEPTANCE. ALL EROSION AND SEDIMENT CONTROLS SHALL BE
REMOVED WITHIN 30 DAYS AFTER THE PROJECT IS STABILIZED. (MS-18)
8. FOR FURTHER REQUIREMENTS AND DETAILS OF TREE PRESERVATION, PLANTING, EROSION AND SEDIMENT CONTROL, REFER TO THE VIRGINIA EROSION
AND SEDIMENT CONTROL HANDBOOK.
9. AN EROSION AND SEDIMENT CONTROL CONTRACTOR CERTIFICATION (E.S.C.C.C) IS REQUIRED FOR ALL LAND DISTURBANCE ACTIVITIES.
10. THE CONTRACTOR SHALL PROPERLY INSTALL AND MAINTAIN EROSION AND SEDIMENT CONTROLS FOR THE LIFE OF THE PROJECT; AND ROUTINELY CHECK
CONTROL DEVICES BEFORE, DURING AND AFTER STORM EVENTS.
1. PRIOR TO CONSTRUCTION OR EXCAVATION, THE CONTRACTOR SHALL ASSUME RESPONSIBILITY OF LOCATING ANY AND ALL UNDERGROUND UTILITIES (PUBLIC
OR PRIVATE) THAT MAY EXIST WITHIN OR CROSS THROUGH THE AREA OF CONSTRUCTION WHETHER OR NOT THEY ARE SHOWN ON THE PLANS. PRIOR TO ANY
CONSTRUCTION ACTIVITY, THE CONTRACTOR SHALL CALL 'MISS UTILITY OF VIRGINIA' AT 1-800-552-7001. THE CONTRACTOR SHALL BE RESPONSIBLE FOR
REPAIRING, AT HIS SOLE EXPENSE, ANY EXISTING UTILITY DAMAGED DURING CONSTRUCTION.
2. THE PLAN DOES NOT GUARANTEE THE EXISTENCE, NONEXISTENCE, SIZE, TYPE, LOCATION, ALIGNMENT, OR DEPTH OF ANY OR ALL UNDERGROUND UTILITIES
OR OTHER FACILITIES. WHERE SURFACE FEATURES (MANHOLES, CATCH BASINS, VALVES, ETC.) ARE UNAVAILABLE OR INCONCLUSIVE. INFORMATION SHOWN
MAY BE FROM UTILITY OWNER'S RECORDS AND/OR ELECTRONIC LINE TRACING, THE RELIABILITY OF WHICH IS UNCERTAIN. THE CONTRACTOR SHALL
PERFORM TEST EXCAVATIONS OR OTHER INVESTIGATION AS NECESSARY TO VERIFY LOCATION AND CLEARANCES.
3. WHEN THE WORK CROSSES EXISTING UTILITIES, THE EXISTING UTILITIES SHALL BE ADEQUATELY SUPPORTED AND PROTECTED FROM THE DAMAGE DUE TO
THE WORK. ALL METHODS FOR SUPPORTING AND MAINTAINING THE EXISTING UTILITIES SHALL BE APPROVED BY THE RESPECTIVE UTILITY COMPANY
AND/OR THE ENGINEER. CONTRACTOR SHALL EXERCISE CARE TO INSURE THAT THE GRADE AND ALIGNMENT OF EXISTING UTILITIES ARE MAINTAINED AND
THAT NO JOINTS OR CONNECTIONS ARE DISPLACED. BACKFILL SHALL BE CAREFULLY PLACED AND COMPACTED TO PREVENT FUTURE DAMAGE OR
SETTLEMENT TO EXISTING UTILITIES. ANY UTILITIES REMOVED AS PART OF THE WORK, AND NOT INDICATED TO BE REMOVED OR ABANDONED, SHALL BE
RESTORED USING MATERIALS AND INSTALLATION EQUAL TO THE UTILITY'S STANDARDS.
4. CONTRACTOR SHALL NOTIFY LANDOWNERS TENANTS AND THE ENGINEER A MINIMUM OF 72 HOURS PRIOR TO THE INTERRUPTION OF ANY SERVICES.
SERVICE INTERRUPTIONS SHALL BE KEPT TO A MINIMUM.
5. CONTRACTOR TO MAKE ANY NECESSARY ADJUSTMENTS TO ALL UTILITY JUNCTION BOXES, VALVE BOXES, MANHOLES, CLEAN -OUTS, AND OTHER GRADE
RELATED ITEMS IN SIDEWALK, ROADWAY, AND/OR ADJACENT AREAS TO MATCH FINISHED GRADE. COSTS ARE TO BE INCLUDED UNDER THE VARIOUS UNIT
BID ITEMS. NO SEPARATE PAYMENT WILL BE MADE.
6. PER THE VIRGINIA DEPARTMENT OF HEALTH WATERWORKS REGULATIONS (PART II, ARTICLE 3, SECTION 12 VAC 5-590 THROUGH 630), ALL BUILDINGS THAT
HAVE THE POSSIBILITY OF CONTAMINATING THE POTABLE WATER DISTRIBUTION SYSTEM (HOSPITALS, INDUSTRIAL SITES, BREWERIES, ETC.) SHALL HAVE A
BACKFLOW PREVENTION DEVICE INSTALLED WITHIN THE FACILITY. THIS DEVICE SHALL MEET SPECIFICATIONS OF THE VIRGINIA UNIFORM STATEWIDE
BUILDING CODE, SHALL BE TESTED IN REGULAR INTERVALS AS REQUIRED, AND TEST RESULTS SHALL BE SUBMITTED TO THE REGULATORY COMPLIANCE
ADMINISTRATOR IN THE DEPARTMENT OF UTILITIES.
7. ALL BUILDINGS THAT MAY PRODUCE WASTES CONTAINING MORE THAN ONE HUNDRED (100) PARTS PER MILLION OF FATS, OIL, OR GREASE SHALL INSTALL A
GREASE TRAP. THE GREASE TRAP SHALL MEET SPECIFICATIONS OF THE VIRGINIA UNIFORM STATEWIDE BUILDING CODE, MAINTAIN RECORDS OF CLEANING
AND MAINTENANCE, AND BE INSPECTED ON REGULAR INTERVALS BY THE REGULATORY COMPLIANCE ADMINISTRATOR IN THE DEPARTMENT OF UTILITIES.
8. CONTACT THE REGULATORY COMPLIANCE ADMINISTRATOR AT 970-3032 WITH ANY QUESTIONS REGARDING THE GREASE TRAP OR BACKFLOW PREVENTION
DEVICES.
9. ALL WATER LINES, SEWER LINES, AND FIRE LINES FROM THE MAIN TO THE STRUCTURE MUST HAVE A VISUAL INSPECTION PERFORMED BY THE BUILDING
DEPARTMENT
EARTH WORK AND SITE CONDITIONS:
1. EXCEPT AS OTHERWISE SHOWN ON THE PLANS, ALL CUTS AND FILLS SHALL BE NO GREATER THAN 3:1.
2. UNLESS OTHERWISE NOTED ON THE PLANS OR IN THE SPECIFICATIONS, ALL FILL MATERIALS SHALL BE COMPACTED TO 95% OF THEORETICAL MAXIMUM
DENSITY AS DETERMINED BY AASHTO T-99 METHOD A, WITHIN PLUS OR MINUS 2% OF OPTIMUM MOISTURE, FOR THE FULL WIDTH AND THE DEPTH OF THE
FILL.
3. THE CONTRACTOR SHALL ADD, CHANGE, OR RELOCATE EROSION AND SEDIMENT CONTROLS AT THE DIRECTION OF THE ALBEMARLE COUNTY E&S
INSPECTOR TO THEIR SATISFACTION AT NO ADDITIONAL COST TO THE OWNER.
4. ALL GRADING AND IMPROVEMENTS TO BE CONFINED TO THE PROJECT AREA UNLESS OTHERWISE INDICATED.
5. PROPOSED GRADES SHALL BE FIELD ADJUSTED TO CONFORM TO THE INTENT OF THE TYPICAL SECTIONS. A SMOOTH GRADE SHALL BE MAINTAINED FROM
THE BASELINE TO THE PROPOSED EDGE OF PAVEMENT OR FACE OF CURB TO PRECLUDE THE FORMING OF FALSE GUTTERS AND/OR PONDING OF WATER ON
ALL PAVED SURFACES.
6. CONTRACTOR SHALL MAINTAIN A SMOOTH GRADE TO THE PROPOSED EDGE OF PAVEMENT OR FACE OF CURB TO PROVIDE POSITIVE DRAINGE ON ALL PAVED
SURFACES. ANY AREAS WHERE WATER IS IMPOUNDED SHALL BE CORRECTED BY CONTRACTOR AT NO ADDITIONAL COST. POSITIVE DRAINAGE OF ALL
ROADWAY AREAS TO THE STORM DRAIN INLETS OR OTHER ACCEPTABLE DRAINAGE CHANNELS AS NOTED ON THE PLANS IS REQUIRED.
7. CONTRACTOR SHALL MAINTAIN EXISTING STREAMS, DITCHES, DRAINAGE STRUCTURES, CULVERT AND FLOWS AT ALL TIMES DURING THE WORK.
CONTRACTOR SHALL PAY FOR ALL PERSONAL INJURY AND PROPERTY DAMAGE WHICH MAY OCCUR AS A RESULT OF FAILING TO MAINTAIN ADEQUATE
DRAINAGE.
8. ALL PIPES, DI'S AND OTHER STRUCTURES SHALL BE INSPECTED BY THE ENGINEER BEFORE BEING BACKFILLED OR BURIED. THE ENGINEER MAY REQUIRE
CONTRACTOR, AT NO ADDITIONAL COST, TO UNCOVER AND RE-COVER SUCH STRUCTURES IF THE HAVE BEEN BACKFILLED OR BURIED WITHOUT SUCH
INSPECTION.
9. ALL STORM CHANNELS, DRAINS, AND SEWER SYSTEMS SHALL BE CLEANED UPON COMPLETION OF THE PROPOSED WORK. SEDIMENT, CHEMICALS, AND/OR
DEBRIS REMOVED FROM THESE SYSTEMS SHALL BE REMOVED AND DISPOSED OF PROPERLY.
10. ALL ROOF DRAINS SHALL DISCHARGE IN A MANNER NOT TO CAUSE A PUBLIC NUISANCE AND NOT OVER SIDEWALKS.
MAINTENANCE OF TRAFFIC:
1. TEMPORARY STREET CLOSURE PERMIT REQUIRED FOR CLOSURE OF SIDEWALKS, PARKING SPACES AND ROADWAYS AND IS SUBJECT TO APPROVAL BY THE
ALBEMARLE COUNTY TRAFFIC ENGINEER.
2. THE VIRGINIA WORK AREA PROTECTION MANUAL AND THE MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES (MUTCD) SHALL GOVERN ALL TEMPORARY
TRAFFIC CONTROL OPERATIONS THROUGHOUT CONSTRUCTION OF THIS PROJECT. ADHERENCE TO APPLICABLE PROVISIONS OF THE MANUAL IS REQUIRED
OF THE CONTRACTOR EVEN THOUGH DETAILED REFERENCE TO ALL SUCH PROVISIONS MAY NOT BE CONTAINED IN THE PLANS.
GENERAL NOTES
3. ALL EXISTING RESIDENTIAL AND COMMERCIAL ENTRANCES SHALL BE MAINTAINED AT ALL TIMES, UNLESS OTHERWISE DIRECTED BY THE ENGINEER.
4. NO TEMPORARY PAVEMENT MARKING SHALL BE ALLOWED ON THE FINAL ASPHALT SURFACE COURSE.
5. THE CONTRACTOR SHALL MAINTAIN ALL LANES OF TRAVEL OPEN FROM 6:30 AM TO 9:00 AM AND 3:00 PM TO 5:00 PM UNLESS DEEMED UNNECESSARY BY
THE ENGINEER. SHORT PERIODS OF ONE WAY FLAGGING OPERATIONS MAY BE CONDUCTED OUTSIDE THE HOURS MENTIONED ABOVE.
6. ALL TRAFFIC SIGNALS SHALL BE ADJUSTED AS DEEMED NECESSARY BY THE ENGINEER PRIOR TO ANY TRAFFIC CHANGES.
7. WHEN WORK IN THE EXCAVATION AREA IS DISCONTINUED FOR A SHORT PERIOD OF TIME, AS AT NIGHT, THE CONTRACTOR SHALL BACKFILL THE CUT AREAS
ADJACENT TO THE BUSTING PAVEMENT WITH A'FILLET OF MATERIAL'. THE FILLET SHALL BE COMPOSED OF THE SAME MATERIAL (EXCAVATION, BORROW,
BASE COURSE, ETC.) ALL COSTS FOR PLACING AND REMOVING THIS FILLET OF MATERIAL SHALL BE INCLUDED IN THE PRICE BID FOR OTHER BID ITEMS OF
WORK ON THIS PROJECT, AND NO ADDITIONAL CHARGE WILL BE ALLOWED.
8. EXISTING SURFACE, AGGREGATE BASE AND SUBBASE MATERIAL WHICH WILL BE DEMOLISHED OR OBLITERATED DURING CONSTRUCTION AND WHICH IS
SUITABLE FOR MAINTENANCE OF TRAFFIC AS DETERMINED BY THE ENGINEER, SHALL BE SALVAGED AND UTILIZED FOR MAINTENANCE OF TRAFFIC PRIOR TO
THE USE OF COMMERCIAL MATERIAL. WHEN NOT SPECIFIED AS A SEPARATE PAY ITEM, THE REMOVAL AND SALVAGING OF EXISTING SURFACES AND
AGGREGATE BASE AND SUBBASE MATERIAL WILL BE MEASURED AND PAID FOR AS REGULAR EXCAVATION IN ACCORDANCE WITH SECTION 303 OF THE VDOT
ROAD AND BRIDGE SPECIFICATIONS.
9. CONSTRUCT ALL INTERSECTIONS AND DRIVEWAYS UNDER TRAFFIC.
10. IF USED, TEMPORARY TRAFFIC BARRIER SERVICE SHALL BE INSTALLED AND REMOVED SO AS NOT TO PRESENT ANY BLUNT END OR HAZARD TO THE
MOTORING PUBLIC.
11. CONTRACTOR SHALL NOTIFY TRANSIT PROVIDERS A MINIMUM OF TWO WEEKS PRIOR TO ANY IMPACT OR DISRUPTION TO REGULAR SERVICE OR STOPS.
12. ALL EXISTING PAVEMENT MARKINGS CONFLICTING WITH PROPOSED CONSTRUCTION PAVEMENT MARKINGS (IF USED) SHALL BE ERADICATED.
13. INSTALLATION AND REMOVAL OF TEMPORARY TRAFFIC CONTROL DEVICES SHALL BE IN ACCORDANCE WITH THE SECTION 6G.25 OF THE WORK AREA
PROTECTION MANUAL.
14. USE APPROPRIATE SIGNS TO SHIFT PEDESTRIAN TRAFFIC AS NEEDED.
15. CONTRACTOR SHALL ASSURE ENDS OF TEMPORARY CONCRETE BARRIER (IF USED) DO NOT OBSTRUCT INTERSECTION SIGHT LINES.
FIRE PREVENTION:
1. SMOKING SHALL NOT BE ALLOWED ANYWHERE ON CAMPUS. "NO SMOKING" SIGNS SHALL BE POSTED AT EACH BUILDING SITE AND WITHIN EACH BUILDING
DURING CONSTRUCTION PER VIRGINIA STATEWIDE FIRE PREVENTION CODE.
2. OVERHEAD WIRING OR OTHER OVERHEAD OBSTRUCTIONS SHALL NOT BE LOWER THAN 13 FEET 6 INCHES OVER A PUBLIC STREET PER THE VIRGINIA
STATEWIDE FIRE PREVENTION CODE.
3. CONTRACTOR SHALL ENSURE THAT BUILDING STREET NUMBERS ARE PLAINLY VISIBLE FROM THE FRONTAGE STREET AT ALL TIMES DURING CONSTRUCTION
FOR EMERGENCY RESPONDERS, PER VIRGINIA STATEWIDE FIRE PREVENTION CODE.
4. AN APPROVED WATER SUPPLY FOR FIRE PROTECTION SHALL BE MADE AVAILABLE AS SOON AS COMBUSTIBLE MATERIALS ARRIVE ON SITE. WASTE AND
COMBUSTIBLE DEBRIS SHALL BE REMOVED FROM THE BUILDING AT THE END OF EACH DAY AND DISPOSED OF IN ACCORDANCE WITH VIRGINIA STATEWIDE
FIRE PREVENTION CODE.
5. OPERATIONS INVOLVING THE USE OF CUTTING AND WELDING SHALL BE DONE IN ACCORDANCE WITH CHAPTER 35 OF THE VIRGINIA STATEWIDE FIRE
PREVENTION CODE.
6. FIRE EXTINGUISHERS SHALL BE PROVIDED WITH NOT LESS THAN ONE APPROVED PORTABLE FIRE EXTINGUISHER AT EACH STAIRWAY ON ALL FLOOR LEVELS
WHERE COMBUSTIBLE MATERIALS HAVE ACCUMULATED IN ACCORDANCE WITH THE VIRGINIA STATEWIDE FIRE PREVENTION CODE.
7. VEHICULAR ACCESS FOR FIRE FIGHTING SHALL BE PROVIDED AT ALL CONSTRUCTION AND DEMOLITION SITES AND TO WITHIN 100 FEET OF TEMPORARY OR
PERMANENT FIRE DEPARTMENT CONNECTIONS. VEHICULAR ACCESS SHALL BE CAPABLE OF SUPPORTING FIRE APPARATUS AND VEHICLE LOADING UNDER
ALL WEATHER CONDITIONS IN ACCORDANCE WITH THE VIRGINIA STATEWIDE FIRE PREVENTION CODE.
1. ALL MATERIAL INSIDE FORMS SHALL BE CLEAN AND FREE OF ALL ROCKS AND OTHER LOOSE DEBRIS. SUB -BASE MATERIAL SHALL BE COMPACTED BY
MECHANICAL MEANS.
2. CONCRETE SHALL NOT BE PLACED UNLESS THE AIR TEMPERATURE IS AT LEAST 40 DEGREES FAHRENHEIT (F) IN THE SHADE AND RISING.
3. CONCRETE SHALL NOT BE PLACED UNTIL STEEL DOWELS HAVE BEEN INSTALLED IN EXISTING CONCRETE IN ACCORDANCE WITH ALBEMARLE COUNTY
STANDARDS.
4. 1/2 " PREMOLDED EXPANSION JOINT MATERIAL SHALL BE PLACED AT A MAXIMUM OF 30' INTERVALS ON NEW SIDEWALK, CURB, CURB & GUTTER, AT
EACH END OF DRIVEWAY ENTRANCES, AT EACH END OF HANDICAP RAMPS, SOME POINT ON ENTRANCE WALKS AND STEPS ADJUSTMENTS, AND ALONG
BUILDINGS AND WALLS WHERE NEW CONCRETE SIDEWALKS ARE PLACED AGAINST THEM.
5. ALL EXISTING CURBS, CURB & GUTTER, SIDEWALK AND STEPS TO BE REMOVED SHALL BE TAKEN OUT TO THE NEAREST JOINT. DEMOLITION AND
DISPOSAL COST TO BE INCLUDED IN OTHER UNIT BID ITEMS. NO SEPARATE PAYMENT WILL BE MADE FOR THIS WORK.
6. EXISTING ASPHALT CONCRETE PAVEMENT SHALL BE SAW CUT AND REMOVED AS PER THE SPECIFICATIONS. REMOVAL SHALL BE DONE IN SUCH A
MANNER AS TO NOT TEAR, BULGE OR DISPLACE ADJACENT PAVEMENT. EDGES SHALL BE CLEAN AND VERTICAL, ALL CUTS SHALL BE PARALLEL OR
PERPENDICULAR TO THE DIRECTION OF TRAFFIC.
7. DISPOSAL OF ALL EXCESS AND DEMOLITION MATERIAL IS THE RESPONSIBILITY OF THE CONTRACTOR.
GENERAL SURVEY NOTES:
TOPOGRAPHY SOURCE: ACTUAL GROUND SURVEY (2005)
BASIS OF DATUM: HORIZONTAL: NAD-83 VIRGINIA SOUTH ZONE
VERTICAL: NAVD-88
NOTE: THE EXISTING SITE FEATURES SHOWN HEREIN HAVE BEEN FIELD VERIFIED AT THE TIME OF THIS APPLICATION. ADDITIONAL
SITE FEATURES INSTALLED AFTER THE ORIGINAL SURVEY WAS CONDUCTED HAVE BEEN DEPICTED USING FIELD MEASUREMENTS
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EROSION & SEDIMENT CONTROL NARRATIVE: EROSION AND SEDIMENT CONTROL MEASURES: MAINTENANCE:
THIS PROJECT CONSISTS OF THE ADDITION OF A MODULAR CLASSROOM BUILDING. THE DISTURBANCE AREA ASSOCIATED WITH THIS PROJECT IS ±0.4O AC
(17,625 SF). IT IS ANTICIPATED THAT THE WORK WILL START IN AUGUST AND LAST TWO MONTHS.
EXISTING SITE CONDITIONS:
THE SITE CONSISTS OF AN EXISTING ELEMENTARY SCHOOL WITH ASSOCIATED PARKING AND AMENITIES. THE SLOPES WITHIN THE PROJECT AREA RANGE
FROM 2 TO 7 PERCENT.
ADJACENT AREAS:
THE PROPOSED PROJECT IS ADJACENT TO OFFICE BUILDINGS ON THE NORTH SIDE, AVON STREET EXTENDED ON THE EAST, RESIDENTIAL HOUSING SOUTH,
AND VACANT LAND ON THE WEST.
OFF -SITE AREAS:
IT IS NOT ANTICIPATED THAT ANY OFF -SITE AREAS WILL BE DISTURBED DURING CONSTRUCTION. UNSUITABLE MATERIALS RESULTING FROM THE
PROPOSED WORK SHALL BE HAULED FROM THE SITE AND DISPOSED OF AT AN APPROVED DISPOSAL SITE PERMITTED SEPARATELY FROM THIS PROJECT.
SOILS:
SEE THE USDA SOILS DELINEATION MAP ON THIS SHEET.
CRITICAL AREAS:
THIS PROJECT SITE DOES NOT HAVE ANY CRITICAL AREAS.
EROSION & SEDIMENT CONTROL MEASURES:
REFER TO THIS SHEET FOR A LIST OF ALL PROPOSED EROSION AND SEDIMENT CONTROL MEASURES TO BE USED ON SITE.
PERMANENT STABILIZATION:
THE SITE WILL BE STABILIZED THROUGH THE USE OF PERMANENT SEEDING. SEEDING INFORMATION, DATES AND AMENDMENTS ARE INCLUDED ON THE
PLANS. SOIL TESTING SHALL BE COMPLETED THE CONTRACTOR TO DETERMINE THE SUITABILITY OF EXISTING SOILS AND THE NEED FOR ANY SOIL
AMENDMENTS TO ENSURE THAT PERMANENT SEEDING WILL GROW EFFECTIVELY.
STORM WATER RUNOFF CONSIDERATIONS:
THE PROPOSED WORK WILL NOT SIGNIFICANTLY ALTER THE EXISTING DRAINAGE PATTERNS ON SITE. STORMWATER RUNOFF DURING CONSTRUCTION WILL
BE DIRECTED THROUGH APPROPRIATE EROSION AND SEDIMENT CONTROLS TO CLEAN WATER BEFORE DISCHARGING TO AN ADEQUATE OUTFALL
PROTECTED FROM EROSION AND SEDIMENT AS SHOWN ON THE PLANS.
MAINTENANCE:
ALL E&S MEASURES SHALL BE INSPECTED REGULARLY AS REQUIRED BY STATE STANDARDS AND MAINTAINED IN GOOD WORKING ORDER. REQUIRED
REPAIRS SHALL BE MADE IMMEDIATELY. SEE THE MAINTENANCE NARRATIVE ON THIS SHEET FOR SPECIFIC MAINTENANCE ITEMS AND INSPECTION TIMES.
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UNLESS OTHERWISE INDICATED, ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED IN ACCORDANCE WITH THE
MINIMUM STANDARDS AND SPECIFICATIONS OF THE LATEST EDITION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL REGULATIONS AND VESC
HANDBOOK OR ALBEMARLE COUNTY STANDARDS, WHICHEVER ARE MORE STRINGENT.
TEMPORARY STONE CONSTRUCTION ENTRANCE - 3.02
A STABILIZED STONE PAD WITH A FILTER FABRIC UNDERLINER LOCATED AT POINTS OF VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION SITE.
SILT FENCE - 3.05
A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYNTHETIC FILTER FABRIC STRETCHED ACROSS AND ATTACHED TO SUPPORTING POSTS AND
ENTRENCHED.
STORM DRAIN INLET PROTECTION - 3.07
A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM DRAIN DROP INLET OR CURB INLET.
TEMPORARY SEEDING - 3.31
THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE FOR PERIODS OF 30 DAYS
TO ONE YEAR BY SEEDING WITH APPROPRIATE RAPIDLY -GROWING ANNUAL PLANTS.
PERMANENT SEEDING - 3.32
THE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER BY PLANTING SEED ON ROUGH -GRADED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE FOR A
YEAR OR MORE OR WHERE PERMANENT VEGETATIVE COVER IS NEEDED ON FINE -GRADED AREAS IN ACCORDANCE WITH EROSION AND SEDIMENT CONTROL
TECHNICAL BULLETIN NO. 4: NUTRIENT MANAGEMENT FOR DEVELOPMENT SITES.
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 (4VAC5O-30).
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. THE NAME OF THE RESPONSIBLE LAND
DISTURBER MUST BE PROVIDED TO THE PLAN -APPROVING AUTHORITY PRIOR TO ACTUAL ENGAGEMENT IN THE LAND -DISTURBING ACTIVITY SHOWN ON
THE APPROVED PLAN. IF THE NAME IS NOT PROVIDED PRIOR TO ENGAGING IN THE LAND -DISTURBING ACTIVITY, THE PLANTS APPROVAL WILL BE
REVOKED.
ES-3: ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS SOON 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 WASTED AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND
APPROVAL BY THE PLAN APPROVING 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 APPROVING AUTHORITY.
ES-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, AFTER WHICH, UPON APPROVAL OF THE PLAN -APPROVING AUTHORITY, THE
CONTROLS SHALL BE REMOVED. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE REMOVAL OF TEMPORARY MEASURES
SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION.
ES-8: DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE.
ES-9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES AT LEAST EVERY 2 WEEKS AND IMMEDIATELY AFTER EACH RUNOFF -PRODUCING
RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE
IMMEDIATELY.
ES-10: THE CONTRACTOR IS RESPONSIBLE FOR THE DAILY REMOVAL OF SEDIMENT THAT HAS BEEN TRANSPORTED ONTO A PAVED OR PUBLIC ROAD
SURFACE.
ES-11: SEEDING OPERATIONS SHALL BE INITIATED WITHIN 7 DAYS AFTER REACHING FINAL GRADE OR UPON SUSPENSION OF GRADING OPERATIONS FOR AN
ANTICIPATED DURATION OF GREATER THAN 14 DAYS OR UPON COMPLETION OF GRADING OPERATIONS FOR A SPECIFIC AREA.
ES-12: THE CONTRACTOR SHALL BE RESPONSIBLE FOR PREVENTING SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOILS WHICH MAY PRESENT
HEALTH HAZARDS, TRAFFIC SAFETY PROBLEMS, OR HARM ANIMAL OR PLANT LIFE.
ES-13: A VSMP IS REQUIRED FOR PROJECTS DISTURBING 2,500 SQUARE FEET OR GREATER IN A DESIGNATED CHESAPEAKE BAY PRESERVATION AREA (CBPA)
OR ONE ACRE OR GREATER OUTSIDE THE CBPA. FOR MORE INFORMATION VISIT THE VIRGINIA STORMWATER MANAGEMENT PROGRAM PERMITTING
WEB PAGE AT: http://www.deq.virginia.gov/Programs/Water/StormwaterManagement.aspx
IN GENERAL, ALL EROSION AND SEDIMENTATION CONTROL MEASURES SHALL BE CHECKED DAILY AND AFTER EACH RAINFALL EVENT GREATER THAN 0.25
INCHES. MEASURES SHOULD BE CLEANED AND REPAIRED ACCORDING TO THE FOLLOWING SCHEDULE AND THE VIRGINIA EROSION AND SEDIMENT CONTROL
HANDBOOK. THE FOLLOWING WILL BE CHECKED IN PARTICULAR:
1. THE CONSTRUCTION ENTRANCES AND CONSTRUCTION ROAD STABILIZATION AREAS SHALL BE MAINTAINED IN A CONDITION WHICH WILL PREVENT
TRACKING OR FLOW OF MUD ONTO PUBLIC RIGHTS -OF -WAY THROUGH PERIODIC TOP DRESSING WITH ADDITIONAL STONE AND/OR WASHING AND
REWORKING OF EXISTING STONE.
2. SEDIMENT DEPOSITS SHALL BE REMOVED FROM SILT FENCE AFTER EACH RAINFALL. UNDER NO CIRCUMSTANCES SHALL DEPOSITS BE ALLOWED TO
ACCUMULATE ABOVE HALF THE HEIGHT OF THE FENCE. DAMAGED OR UNDERCUT SILT FENCE SHALL BE REPAIRED IMMEDIATELY. SHOULD SILT FENCE
BECOME INEFFECTIVE OR REACH THE END OF THE EXPECTED USEABLE LIFE, FABRIC SHALL BE REPLACED IMMEDIATELY. UPON SILT FENCE REMOVAL,
DRESS ANY SEDIMENT DEPOSITS TO CONFORM WITH EXISTING GRADE AND SEED.
3. INLET PROTECTION SHALL BE CHECKED REGULARLY FOR SEDIMENT. IF EXCESSIVE SEDIMENT IS PRESENT, OR IF EXCESSIVE PONDING OCCURS AFTER
RAINFALL, THE STONE SHALL BE PULLED AWAY AND CLEANED OR REPLACED.
4. STONE USED IN CULVERT INLET PROTECTION SHALL BE INSPECTED REGULARLY FOR CLOGGING AND REPLACED AS NEEDED TO MAINTAIN FULL
FUNCTIONALITY. UNDER NO CIRCUMSTANCES SHALL SEDIMENT BE ALLOWED TO ACCUMULATE ABOVE ONE-HALF OF THE HEIGHT OF THE INLET
PROTECTION. ACCUMULATED SEDIMENT SHALL BE REMOVED AND UPSTREAM AREAS PERMANENTLY STABILIZED BEFORE THIS CONTROL IS REMOVED.
5. CHECK DAMS SHALL BE INSPECTED REGULARLY TO ENSURE THE CENTER OF THE DAM IS LOWER THAN THE EDGES. SEDIMENT SHALL BE REMOVED
WHEN IT REACHES ONE HALF THE HEIGHT OF THE DAM.
6. ANY SOIL WITHIN TREE PROTECTION AREAS THAT IS INADVERTENTLY COMPACTED SHALL BE AERATED WITH AN IRON BAR EVERY 18 INCHES TO A DEPTH
OF 12 INCHES. PHYSICAL DAMAGE TO TREES SHALL BE REPAIRED AS OUTLINED IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK SECTION
3.38. TREES THAT ARE STRESSED OR DAMAGED SHALL RECEIVE AN APPROPRIATE APPLICATION OF FERTILIZER TO AID RECOVERY.
7. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS
NEEDED.
8. ALL TEMPORARY EROSION AND SEDIMENT MEASURES SHALL BE DISPOSED OF WITHIN THIRTY (30) DAYS AFTER FINAL SITE STABILIZATION IS ACHIEVED
AND VEGETATION IS ESTABLISHED. FINAL SITE STABILIZATION SHALL BE APPROVED BY THE OWNER AFTER THE INSPECTOR HAS DETERMINED THAT THE
SITE IS STABILIZED.
MANAGEMENT STRATEGIES:
THE FOLLOWING SEQUENCE OF EVENTS AND EROSION CONTROL MEASURES SHALL BE INCORPORATED INTO THE CONSTRUCTION SCHEDULE FOR THIS
PROJECT AND SHALL APPLY TO ALL CONSTRUCTION ACTIVITIES WITHIN PROJECT LIMITS.
1. CONSTRUCTION WILL BE SEQUENCED SO THAT TRENCHING AND EXCAVATION OPERATIONS CAN BEGIN AND END AS QUICKLY AS POSSIBLE.
2. SOIL STOCKPILES WILL BE PROTECTED WITH APPROPRIATE EROSION CONTROL MEASURES. STOCKPILES REMAINING FOR MORE THAN 14 DAYS SHALL
BE TEMPORARILY SEEDED.
3. THE CONTRACTOR SHALL USE APPROPRIATE CONSTRUCTION METHODS TO MINIMIZE DISTURBANCE ALONG MANAGED SLOPES AND EXISTING STEEP
SLOPES WHERE EROSION HAZARD IS HIGH.
4. ALL STORM SEWER INLETS THAT ARE MADE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED WITH INLET PROTECTION SO THAT
SEDIMENT -LADEN WATER CANNOT ENTER THE CONVEYANCE SYSTEM.
5. PREVIOUSLY GRASSED AREAS SHALL BE SEEDED AND STRAW MULCHED IMMEDIATELY AFTER TRENCHING OPERATION.
6. ALL THE EROSION AND SEDIMENT CONTROL MEASURES SHALL BE INSPECTED 48 HOURS AFTER EVERY RAIN EVENT GREATER THAN 0.25 INCHES AND
EVERY 5 DAYS EVEN IF A RAIN EVENT DOES NOT OCCUR. REQUIRED REPAIRS SHALL BE MADE AS NEEDED TO MAINTAIN DESIGNED STANDARD.
7. PERMANENT VEGETATION SHALL NOT BE CONSIDERED ESTABLISHED UNTIL A GROUND COVERED IS ACHIEVED THAT IS UNIFORM, MATURE ENOUGH TO
SURVIVE AND WILL INHIBIT EROSION.
8. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ALL THE INSTALLATION AND MAINTENANCE OF ALL EROSION AND SEDIMENT CONTROL PRACTICES.
MINIMUM STANDARD COMPLIANCE:
MS-1 HAVE TEMPORARY AND PERMANENT STABILIZATION BEEN ADDRESSED IN THE NARRATIVE? HAVE THE PROPOSED PRACTICES BEEN SHOWN ON
THE PLAN? YES
SEED SPECIFICATION YES MULCHING YES GRAVEL YES
MS-2 HAS STABILIZATION OF SOIL STOCKPILES BEEN ADDRESSED IN THE NARRATIVE?
IS SEDIMENT TRAPPING MEASURES PROVIDED? YES.
MS-3 HAS MAINTENANCE OF PERMANENT STABILIZATION BEEN ADDRESSED FOR EXPOSED AREAS? YES.
MS-4 ARE SEDIMENT TRAPPING FACILITIES TO BE CONSTRUCTED AS A FIRST STEP IN LDA? YES.
MS-5 HAS STABILIZATION OF EARTHEN STRUCTURES BEEN ADDRESSED? YES.
MS-6 ARE SEDIMENT BASINS REQUIRED WHERE NEEDED? NO. N/A.
MS-7 HAS STABILIZATION OF CUT AND FILL SLOPES BEEN ADEQUATELY ADDRESSED? YES.
MS-8 ARE PAVED FLUMES, CHANNELS OR SLOPED DRAINS REQUIRED WHERE NECESSARY? NO. N/A.
MS-9 HAS STABILIZATION THROUGH SURFACE ROUGHENING OR OUTLET PROTECTION BEEN ADDRESSED? NO. N/A.
MS-10 IS ADEQUATE INLET PROTECTION REQUIRED ON ALL OPERATIONAL STORM SEWER INLETS? YES.
MS-11 HAS MAINTENANCE OF PERMANENT STABILIZATION BEEN ADDRESSED FOR CONVEYANCE AND RECEIVING CHANNELS? YES.
MS-12 ARE IN STREAM CONSTRUCTION MEASURES REQUIRED SO THAT CHANNEL DAMAGE IS MINIMIZED? NO. N/A.
MS-13 ARE TEMPORARY STREAM CROSSINGS OF NON -ERODIBLE MATERIAL REQUIRED WHERE APPLICABLE? NO. N/A.
MS-14 THIS REGULATION REQUIRES THAT ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING TO WORKING IN OR CROSSING LIVE
WATERCOURSES BE FOLLOWED. NO. N/A.
MS-15 HAS RESTABILIZATION OF AREAS SUBJECT TO INSTREAM CONSTRUCTION BEEN ADEQUATELY ADDRESSED? NO. N/A
MS-16 IS STABILIZATION OF UTILITY TRENCHES ADDRESSED? YES.
MS-17 IS THE TRANSPORT OF SOIL AND MUD ONTO PUBLIC ROADWAYS PROPERLY CONTROLLED? (I.E. CONSTRUCTION ENTRANCES, WASH RACKS,
DAILY CLEANING OF ROADWAYS, TRANSPORT OF SEDIMENT TO A TRAPPING FACILITY) YES.
MS-18 HAS THE REMOVAL OF TEMPORARY PRACTICES BEEN ADDRESSED? YES.
HAS MAINTENANCE OF PRACTICES BEEN ADDRESSED? (I.E. REPAIR OF STRUCTURES AND REMOVAL OF ACCUMULATED SEDIMENT) YES.
MS-19 ARE PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT ADEQUATELY PROTECTED FROM EROSION AND SEDIMENT DEPOSITION
DUE TO INCREASES IN PEAK STORM WATER RUNOFF? YES.
EROSION AND SEDIMENT CONTROL SEOUENCING:
1. CONTRACTOR SHALL CONDUCT A PRE -CONSTRUCTION MEETING WITH THE PLAN APPROVING AUTHORITY PRIOR TO ANY LAND DISTURBANCE OR E&S CONTROL
INSTALLATIONS.
2. INSTALL CONSTRUCTION ENTRANCE AND PERIMETER CONTROLS PRIOR TO ANY DISTURBANCE.
3. INSTALL STORMWATER INLET PROTECTION AROUND EXISTING DRAINAGE STRUCTURES.
4. ONCE INITIAL MEASURES ARE IN PLACE, REQUEST AN INSPECTION OF THE INITIAL EROSION AND SEDIMENT CONTROL MEASURES FROM THE ALBEMARLE
COUNTY E&S INSPECTOR. CALL 24-HOURS IN ADVANCE OF INSPECTION.
5. PROTECT PERMANENT VEGETATION FOR THE DURATION OF THE PROJECT.
6. COMMENCE DEMOLITION NECESSARY TO PERFORM PROPOSED WORK ONLY (INCLUDING EXCAVATION WORK).
7. CONTRACTOR TO LEAVE EXISTING STABILIZED AREAS IN A NON -EROSIVE CONDITION UNTIL NECESSARY TO INSTALL PROPOSED IMPROVEMENTS. DISTURBED
AREAS NOT IMPROVED SHALL BE SEEDED WITHIN 14 DAYS OF DISTURBANCE.
8. COMMENCE CONSTRUCTION OF PROPOSED SITE ELEMENTS, WITH THE EXCEPTION OF ANY PROPOSED BMPS.
9. FOR GRASSY AREAS: INSTALL PERMANENT SEEDING AND MULCH. STABILIZE ALL DISTURBED AREAS.
10. FOR GRAVEL / PAVEMENT AREAS: RESTORE GRAVEL/ PAVEMENT AFTER TRENCHING AND EXCAVATION OPERATIONS ARE COMPLETE.
13. REPAIR ANY EROSION AND REMOVE ANY SEDIMENT.
15. DRESS AND OVER -SEED ALL DISTURBED AREAS AS NECESSARY TO AFFECT PERMANENT VEGETATIVE COVER. STABILIZE ALL REMAINING DISTURBED AREAS
WITH TOPSOIL, SEED, AND MULCH ONCE WORK IS COMPLETE.
16. BEGIN INSTALLATION OF ANY PROPOSED BMPS ONCE ALL CONTRIBUTING AREAS ARE STABILIZED AND FREE OF DEBRIS. REFER TO INSTALLATION CHECKLIST
AND INSPECTION MILESTONES FOR CONSTRUCTION MILESTONES.
17. AFTER FINAL SITE STABILIZATION AND APPROVAL FROM THE APPROPRIATE EROSION AND SEDIMENT CONTROL AUTHORITY, THE SILT FENCE, INLET PROTECTION
AND OTHER STABILIZATION MEASURES SHALL BE REMOVED.
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LIC. No. 45596,
10NAL
APPROVED DCH
SUBMISSION! N!'- 1
PROJECT 1907100
THE WORT, 01
I N E + G R A D I
C202
STONE CONSTRUCTION ENTRANCE
GROUND
70' MIN.
A
FILTER CLOTHS 6" MIN.I A'
SIDE ELEVATION
EXISTING
PAVEMEN
5:1
MOUNTABLE BERM
(OPTIONAL)
70' MIN. 4 B WASHRACK IO' MIN,
F (OPTIONAL) _ -_--
VDDT •1
I �� POSITIVE DRAINAGE
L�N.
COURSE AGGREGATE
B TO SEDIMENT
TRAPPING DEVICE
I I
• MUST EXTEND FULL WIDTH
OF AND EGRESS
PLAN VIEW
OPERATION
12' MIN.
" ."1 - 1. SECTION A -A
RE,mu,.K... ........ YRI'lll\ Jr M1C
SECTION B-B
Source: Adapted from 1983 Maryland Standards for Soil
Erosion and Sediment Control, and Va. DSWC
Plate 3.02-1
CONSTRUCTION OF A SILT FENCE
(WITHOUT WIRE SUPPORT)
1. SET THE STAKES. 2. EXCAVATE A 4"X 4" TRENCH
UPSLOPE ALONG THE LINE OF
STAKES.
WMAX.
low
FLOW
3. STAPLE FILTER MATERIAL
TO STAKES AND EXTEND
IT INTO THE TRENCH.
11.0
FLOW
4. BACKFILL AND COMPACT
THE EXCAVATED SOIL.
SHEET FLOW INSTALLATION
(PERSPECTIVE VIEW)
POINTS A SHOULD BE HIGHER THAN POINT B.
DRAINAGEWAY INSTALLATION
(FRONT ELEVATION)
Source: Adapted from Installation of Straw and Fabric Filter
Barriers for Sediment Control, Sherwood and Wyant
Plate 3.05-2
O3.02-1 CONSTRUCTION ENTRANCE O 3.05-2 SILT FENCE O
Source: Va. DSWC
0
3.07-3 GRATE INLET PROTECTION
Plate 3.07-3
TABLE 3.31-B
(REVISED JUNE 2003)
TEMPORARY SEEDING SPECIFICATIONS
QUICK REFERENCE FOR ALL REGIONS
APPLICATION
SPECIES
APPLICATION RATES
50/50 Mix of Annual Ryegrass
Sept 1-Feb. 15
(Lolium mul&Flomm)&Cereal
50-100(lbs/acm)
(Winter) Rye (Secale creale)
Feb. 16-Apr. 30
Annual Ryegrass(Iolium multi-florom)
60-SOO(lbs/acre)
May 1-Aug. 31
German Millet
5011bs/acre)
FERTILIZER & LIME
Apply 10-10-10 Fertilizer at a rate of 450 Ibs/acre (or 10 lbs. / 1,000 sq. ft.)
Apply Pulverized Agricultural Limestone at a rate of 2 tons/acre (or 901bs. / LOOO sq. ft)
NOTE:
1. A and test is necessary W determine the actual amount of lime required to adjust the soil pH of site.
2. Incorporate the lime and fertilizer into the top 46 inches of the soil by disking or by other means.
3. When applying Slowly Available Nitrogen, use rates available in Erosion & Sediment Control Technical Bulletin N4
2003 Nuldent Management for Development Sites at http://www.tleq.virgi nia.gov/Programs/water/5.rmwaw
Management/Publications.aswc
TABLE 3.32-D
(REVISED JUNE 2003)
PERMANENT SEEDING SPECIFICATIONS FOR PIEDMONT AREA
SEED'
LAND USE
SPECIES
APPLICATION RATES PER ACRE
Tall Fescue
95-100%
Minimum Care Lawn
Perennial Ryegrass
P5%
(Commercial or Residentiap
Kentucky Bluegrass'
15%
Total: 175-200Ibs
High Maintenance, Lawn
Tall Fescue°
Total: 200-2501bs.
Tall Fescue
128 me.
General Slope (3:1 or Is
Red Top Grass of Creeping Red Fescue
Seasonal Nurse Crop
2 me.
20 lbs.
Total: 1501bs.
Tall Fescue
1081bs.
Low Maintenance Slope
Red Top Grass of Creeping Red Fescue
Seasonal Nurse Crop
CrownvWcW
21be.
201bs.
20 lbs.
(Steeper than 3:1)
Total: 1501bs.
1- When selecting varieties of turtgrass, use the Virginia Crop Improvement Association (VCIA) recommendetl
turfgrass variety ilst Quality seed will bear a label indicating that they are approved by VCIA. A current turfgrass variety
list is available at the local County Extension office or through VCIA at 804746d884 or W
hUp://sudan.cses.vtedu/Mml/Turf/turt/public tons/public tons2.html
2. - Use seasonal nurse crop in accordance with the seeding dates as stated below:
February I& - April. Annual Rye
May I- - August 15u'..................................... Foxtail Millet
August 16u -Wober...................................... Annual Rye
November -February 15u'. Winter Rye
3- Substitute Sauces lespedeza for Crownvetch east of Farmville, VA (May through September use hulled seer. all
other Periods, use unhulled Sericea.)If Flatpea is used, increase rate to 301bs./acre. If Weeping Lovegrass is used,
include in any slope or low maintenance mixture during warmer seeding periods, increase W 30 A0.
FERTILIZER & LIME
Apply 1020-10 Fertilizer at a rate of 5001bs/acre (or 12 lbs. / LOOO sq. ft.)
Apply Pulverized! Agricultural Limestone at a rate of 2 tone/acre (or 90los. / 1.000 sq. ft.)
NOTE:
-A soil test is necessary to determine the actual amount of lime required to adjust the soil pH of site.
- Incorporate the lime and fertilizer into the top 46 inches of the soil by risking or by other means.
- When applying Slowly Available Nitrogen, use rates available in Erosion & Sediment Control Technical Bulletin N4
2003 Nutrient Management for Development Sites at hUp.//w .dN.virginia.goy/Nograms/water/Swrmwater
Managemerrt/Publications.aspx
SEEDING SCHEDULES
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THE WORT. 0
I N E + G R A D
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i A w
APPROVED DCH
.�. .• . � � • , � M. . -. SUBMISSICn) nIV 1
N. ..,..• PROJECT 1907100
E •,TO
THE WORT. 0 1
I N E + G R A D I
GRADING AND UTILITY PLAN C3mO
1" = 20': 0 20 40
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.�=:
------------------------ --
E I�11I�1I�1I11
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IMPERVIOUS AREA WITHIN
LIMITS OF DISTURBANCE
TOTAL 0.04 AC
wffi
Y a
l I I I I I I I I I I C) I I I/
at
ro- o oo
PRE DEVELOPMENT SWM MAP
1" = 30': 0 30 60
58C
HSG B
.SOIL �
�I 0I
72C3
-------- I HSG B
I I I I
I
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I \ I NOTE: ALL STORMWATER
WITHIN PROJECT AREA DRAINS
TO SAME POINT OF ANALYSIS
Ali _
I I
y I
0
I I I I LOD 17625 SF
I /
� I
----------- - ------
\ I I
I I
• �I 58C
• 0 `�' HSG B
• non-
STORMWATER FROM THE SITE CURRENTLY DRAINS TO A LARGE DITCH EAST OF THE PROPERTY. STORMWATER EITHER FLOWS OVERLAND OR IN PIPES,
WHERE IT IS THEN OUTLET TO RIPRAP TO RETURN TO OVERLAND FLOW. THE PROPOSED DEVELOPMENT ON SITE WILL NOT CHANGE THESE GENERAL
DRAINAGE PATTERNS. RUNOFF FROM THE ADDED MODULAR CLASSROOM BUILDING ROOF WILL BE COLLECTED AND ROUTED TO A LEVEL SPREADER TO
RETURN TO SHEET FLOW BEFORE LEAVING THE PROJECT LIMITS.
QUALITY COMPLIANCE
THE NUTRIENT REMOVAL REQUIREMENTS WERE CALCULATED WITH THE VRRM SPREADSHEET, UTILIZING THE LIMITS OF DISTURBANCE AREA AS THE
PROJECT LIMITS. THIS PROJECT MEETS STORMWATER QUALITY REQUIREMENTS SET FORTH BY 9VAC25-870-63 THROUGH THE PURCHASE OF NUTRIENT
CREDITS IN THE EQUIVALENT OF 0.41 LBS/YR PHOSPHORUS. SEE VRRM TABULATIONS ON THIS SHEET.
QUANTITY COMPLIANCE
CHANNEL AND FLOOD PROTECTION REQUIREMENTS ARE BOTH ADDRESSED BY RETURNING RUNOFF FROM WITHIN THE PROJECT LIMITS TO SHEET
FLOW VIA A LEVEL SPREADER (9VAC25-870-66D). THE VOLUME OF SHEET FLOW IS NOT SIGNIFICANTLY ALTERED IN A WAY THAT WOULD ERODE OR
FLOOD DOWN GRADIENT PROPERTIES.
OSTORMWATER MANAGEMENT NARRATIVE
Site Results (Water Quality Compliance)
Area Checks D.A. A D.A. B D.A. C D.A. D D.A. E AREA CHECK
mREST/OPEN SPACE (a.) coo 0,00 OK.
0.00m000
IMMWMUSCOVERlac
0.00
0.000OKIMPERVIOUS
COVERlIlE11EO (df
Goo
000
To
D.DoMANAGEOMUMEA(ac)
0.00
000
0,00MMAGEDTURFMEATRFATED(.e
0.00
coo
0.00
OK.
AREACHECK
OK.
OK.
OK.
OK.
OK
She Treatment Volume (ft)
L.mp
Runoff Reduction Volume and TP By Drainage Area
D.A. A D.A. B
D.A. C
D.A. D
D.A. E
TOTAL
RUNmFRED1ILTID AQKAL
0
0
0
MRR
TP IDADAVAIIAME m0.REMOVAL (Ib/yr
lb/rtal���
0.00 000
000
000
000
0.00
TP LOAD RED MM ACHIEVED(lb/yr
oo0 000
000
000
0.00
0,00
TP LOAD REMAINING(lb/yrl
ow 11 0.00
0.00
coo
0.00
0.00
NnROGENLOADREDUCEMMHIWED (IbIvril
o.o0
1 0.00
0.00
0.00
o.DO
o.00
Total Phosphorus
LINEAR PROJECT:
RNALPOGT OEVEIOPMEM TP LOAD I b/yr)
DAM
TPWADREDULTONREQUIRED(Ib/yr
0.41
TP WAD REDUImON AOMEVED(lbM
0.00
TPLOADREMAINING(IbM):
DAM
REMAINING TP LOAD REDUCTION REQUIRED (Iblftl
0.41
11
=+..:
o6B:::.
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POST DEVELOPMENT SWM MAP
1" = 30': 0 30 60
Post -Development Project (Treatment Volume and Loads)
Enter TOMl Disturbed Areaf..01
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STILLING BASIN T
LINING AND }
WIDTH PER PLAN
611x6" PRESSURE TREATED TIMBERS -
LENGTH PER PLAN
31�
FILTER FABRIC TO BE
CONTINUOUS BELOW
STILLING BASIN LINING
NON -WOVEN GEOTEXTILE
FILTER FABRIC
NOTES
I
58C
HSG B
I
111-3" DIAMETER RIVER STONE
C.
- #4 EPDXY COATED REBAR
- 2' O.C. MINIMUM FOR LENGTH OF TIMBERS
- I I I REBAR SHALL PENETRATE
GROUND 12" MIN.
,SOIL �
DI
-F�
I
NOTE: ALL STORMWATER
WITHIN PROJECT AREA DRAINS
J TO SAME POINT OF ANALYSIS
I,I
AR A
• I
• �I
I
I
•I I
I
I
I` LOD 17625 SF
Fill
2% MAX. FOR 10,
1. LEVEL SPREADER LIP SHALL BE COMPLETELY LEVEL ALONG ENTIRE LENGTH.
2. TIMBER ENDS SHALL BE KEYED INTO GROUND A MINIMUM OF 18" TO PREVENT SCOURING AROUND ENDS.
3. REBAR SHALL BE PLACED NO MORE THAN 1' FROM TIMBER ENDS.
4. CONTRACTOR SHALL NOT COMPACT STILLING BASIN AREA OR ALLOW HEAVY EQUIPMENT IN THE STILLING BASIN VICINITY TO ALLOW FOR
INFILTRATION OF PONDED RUNOFF BEHIND LEVEL SPREADER.
LEVEL SPREADER SIZING SUMMARY
Total Nitrogen (For Information Purposes)
POST -DEVELOPMENT LOAD IIb/yr a.sB
NITROGEN LOAD REDUCTION ACHIEVED IIb/yr D.Oo LEVEL C INTENSITY TOTAL AREA TO TOTAL MINIMUM LENGTH PROVIDED LENGTH RIGID LIP
REMAINING POST -DEVELOPMENT NITROGEN LOAD (Ib/yr) a.sR LEVEL SPREADER FLOW OF RIGID LIP OF RIGID LIP
SPREADER FACTOR (IN/HR) (AC) (CFS) (FT) (FT) MATERIAL
A 0.63 7.10 0.37 1.68 10.00 10.00 TIMBER
O VRRM TABULATIONS O LEVEL SPREADER
5
72C3
HSG B
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Lic. No. 45596,
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T H E W 0 R K O F
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