HomeMy WebLinkAbout3305 Frederickson Flex Space Site PlanCOVINGTON FLEX
3305 FREDRICKSON RD
WILMINGTON, NC 28401 DESIGN DEVELOPMENT
SEPTEMBER 29, 2025
SHEET INDEX
PROJECT NAME: COVINGTON FLEX
APPLICANT: DAE BUILDING, INC.
717 S. KERR AVENUE
WILMINGTON, NC 28403
CONTACT: NATALIE OAKES
PHONE: (910) 833-2147, EXT. 111
EMAIL: NATALIE@DAEBUILDING.COM
PROJECT ADDRESS: 3305 FREDRICKSON RD WILMINGTON, NC 28401
ENGINEER: RIVERVIEW ENGINEERING, PLLC (P-1944)
4904 PARK AVENUE
WILMINGTON, NC 28403
CONTACT: NICHOLAS J. LAURETTA, PE, LEED AP (035107)
PHONE: (910) 398-2882
EMAIL: NLAURETTA@RIVERVIEWENG.COM
SURVEYOR:McKIM & CREED
243 N. FRONT STREET
WILMINGTON, NC 28401
CONTACT: CODY HURST
PHONE: 910-343-1048
EMAIL: CHURST@MCKIMCREED.COM
PROJECT INFORMATION
ENGINEER
PROJECT OWNER
STAMP
CHECKED BY
PRINCIPAL IN CHARGE
REVISIONS
ISSUE FOR
ISSUE DATE
PROJECT ADDRESS
PROJECT NUMBER
SHEET TITLE
SHEET NUMBER
www.rivervieweng.com
4904 PARK AVENUE
WILMINGTON, NC 28403
(910) 398-2882
nlauretta@rivervieweng.com
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COVER SHEET
C-001
DESIGN DEVELOPMENT
1026.02
3305 FREDRICKSON RD
WILMINGTON, NC 28401
REVIEW - NOT FOR CONSTRUCTION
SEPTEMBER 29, 2025
N. LAURETTA, PE, LEED AP
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VICINITY MAP1SCALE: 1" = 250'
PROJECT
VICINITY
LOCATION MAP
VICINITY MAP
PROJECT
LOCATION
LOCATION MAP2SCALE: 1" = 2000'
NUMBER SHEET
C-001 COVER SHEET
C-002 GENERAL NOTES
CX101 EXISTING CONDITIONS PLAN
CX102 TREE REMOVAL AND DEMOLITION PLAN
CE101 SEDIMENT & EROSION CONTROL PLAN - PHASE 1
CS101 SITE PLAN
CS102 DRIVEWAY GRADING PLAN
L101 LANDSCAPE PLAN
CG101 STORM DRAINAGE AND GRADING PLAN
CG103 DRAINAGE AREA MAP
CU101 UTILITY PLAN
CE501 SEDIMENT & EROSION CONTROL DETAILS
CE502 SEDIMENT & EROSION CONTROL DETAILS
CS501 SITE DETAILS
CU501 UTILITY DETAILS
CU502 UTILITY DETAILS
CU503 UTILITY DETAILS
CG501 UTILITY DETAILS
9/29/25
ENGINEER
PROJECT OWNER
STAMP
CHECKED BY
PRINCIPAL IN CHARGE
REVISIONS
ISSUE FOR
ISSUE DATE
PROJECT ADDRESS
PROJECT NUMBER
SHEET TITLE
SHEET NUMBER
www.rivervieweng.com
4904 PARK AVENUE
WILMINGTON, NC 28403
(910) 398-2882
nlauretta@rivervieweng.com
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GENERAL NOTES
C-002
DESIGN DEVELOPMENT
1026.02
3305 FREDRICKSON RD
WILMINGTON, NC 28401
REVIEW - NOT FOR CONSTRUCTION
SEPTEMBER 29, 2025
N. LAURETTA, PE, LEED AP
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CONSTRUCTION NOTES
1.CONSTRUCTION AND MATERIALS SHALL BE IN ACCORDANCE WITH THE CITY OF WILMINGTON
STANDARDS AND SPECIFICATIONS.
2.CONTRACTOR IS FULLY RESPONSIBLE FOR ACQUIRING THE LOCATION OF EXISTING UTILITIES FROM
THE APPROPRIATE PARTIES PRIOR TO CONSTRUCTION.
3.CONTRACTOR IS RESPONSIBLE FOR PLACING BARRICADES, USING FLAGMEN, ETC. AS NECESSARY TO
ENSURE SAFETY TO THE PUBLIC.
4.THESE DRAWINGS SHOW INFORMATION OBTAINED FROM THE AVAILABLE RECORDS REGARDING PIPES,
CONDUITS, TELEPHONE LINES, AND OTHER STRUCTURES AND CONDITIONS WHICH EXIST ALONG THE
LINES OF WORK AND BELOW THE SURFACE OF THE GROUND. THE OWNER AND ENGINEER DISCLAIM
ANY RESPONSIBILITIES FOR THE ACCURACY OR COMPLETENESS OF SAID INFORMATION, AND SUCH
INFORMATION IS BEING SHOWN ONLY FOR THE CONVENIENCE OF THE CONTRACTOR WHO MUST
VERIFY THE INFORMATION TO HIS OWN SATISFACTION DURING THE BIDDING AND CONSTRUCTION
PHASES. IF THE CONTRACTOR RELIES ON SAID INFORMATION, HE DOES SO AT HIS OWN RISK. THE
GIVING OF THE INFORMATION ON THE CONTRACT DRAWINGS WILL NOT RELIEVE THE CONTRACTOR OF
HIS OBLIGATIONS TO SUPPORT AND PROTECT ALL PIPES, CONDUITS, TELEPHONE LINES, AND OTHER
STRUCTURES, WHETHER ABOVE OR BELOW GRADE.
5.SHOULD ANY DAMAGE OCCUR TO EXISTING UTILITIES, IT SHALL BE REPAIRED SOLELY AT THE
CONTRACTOR'S EXPENSE.
6.THE CONTRACTOR SHALL VERIFY EXISTING INVERTS PRIOR TO CONSTRUCTION OF UNDERGROUND
UTILITIES. TEST PITTING OF EXISTING LINES PRIOR TO CONSTRUCTION, IF NECESSARY, SHALL BE
COORDINATED WITH THE OWNER.
7.ALL MATERIALS AND METHODS OF CONSTRUCTION SHALL CONFORM TO THE DRAWINGS, PROJECT
SPECIFICATIONS, AND LOCAL BUILDING CODES.
8.ALL DISTURBED AREAS SHALL BE SMOOTHLY GRADED TO PROMOTE POSITIVE DRAINAGE AND
STABILIZED WITH TOPSOIL, SEED, AND MULCH. IF SETTLEMENT OCCURS, TOPSOIL, SEEDING, AND
MULCH SHALL BE REPEATED UNTIL SETTLEMENT SUBSIDES. (SEE EROSION AND SEDIMENT CONTROL
DETAILS AND SPECIFICATIONS.)
9.WATER MAINS WILL BE INSTALLED AT A DEPTH THAT WILL PROVIDE 36" COVER OVER THE PIPES BELOW
PROPOSED GRADE UNLESS SHOWN OTHERWISE ON THESE PLANS OR DIRECTED OTHERWISE BY THE
ENGINEER.
10.ALL WATER VALVES, BOXES, AND FIRE HYDRANT ASSEMBLES SHALL BE SET AND ADJUSTED TO
FINISHED GRADE.
11.THE OWNER IS RESPONSIBLE FOR THE ACQUISITION OF ALL EASEMENTS, BOTH TEMPORARY AND
PERMANENT.
12.THE CONTRACTOR SHALL VERIFY HORIZONTAL AND VERTICAL SURVEY CONTROL PRIOR TO STAKING
OUT CONSTRUCTION. ANY DISCREPANCIES SHALL BE BROUGHT TO THE ATTENTION OF THE ENGINEER
PRIOR TO PROCEEDING WITH WORK.
13.ANY PROPERTY LINE MONUMENTATION DISTURBED DURING CONSTRUCTION SHALL BE REPLACED
SOLELY AT THE CONTRACTOR'S EXPENSE.
14.THE CONTRACTOR ASSUMES ALL RESPONSIBILITY FOR ANY DEVIATION FROM THESE PLANS.
15.FIRE HYDRANTS SHALL BE PLACED A MINIMUM DISTANCE OF 6 FEET FROM BACK OF CURB AND SHALL
HAVE A CLEAR SPACE OF 3 FEET FROM ANY PERMANENT STRUCTURE PER CFPUA STANDARDS.
16.ALL SELECT AND BORROW MATERIAL SHALL MEET CRITERIA SET FORTH BY SECTIONS 1016 AND 1018
OF THE NORTH CAROLINA DEPARTMENT OF TRANSPORTATION'S STANDARDS AND SPECIFICATIONS
FOR ROADS AND STRUCTURES. SEE SECTION FOR PLACEMENT AND COMPACTION INFORMATION.
17.THE ENGINEER AND THE CONTRACTOR SHALL INSPECT ALL EXISTING PIPES USED IN THE FINAL
DRAINAGE SYSTEM AND AGREE ON THE CONDITION OF THE PIPES PRIOR TO CONSTRUCTION. IF
DAMAGE OCCURS TO THESE PIPES DURING CONSTRUCTION, THE CONTRACTOR SHALL BE
RESPONSIBLE FOR THE REPAIR OR REPLACEMENT OF THE PIPE(S).
18.EXISTING PAVING, CONCRETE, AND OTHER UNSUITABLE MATERIALS INCLUDING UNDERCUT
EXCAVATION SHALL NOT BE USED AS FILL MATERIAL AND SHALL BE DISPOSED OF OUTSIDE THE
PROJECT LIMITS AT THE CONTRACTOR'S EXPENSE. THE CONTRACTOR IS RESPONSIBLE FOR ALL
PERMITTING AND FEES FOR DISPOSAL.
19.ALL TREES, STUMPS, ROOT MAT, ETC. SHALL BE ENTIRELY REMOVED REGARDLESS OF DEPTH. BURIAL
OF ORGANIC MATERIAL WITHIN THE PROJECT LIMITS IS NOT PERMITTED. OPEN BURNING OF DOWNED
TREES AND STUMPS IS NOT PERMITTED. CHIPPED MATERIALS MUST BE REMOVED PRIOR TO THE
PLACEMENT OF EMBANKMENT OR TOPSOIL.
20.THE CONTRACTOR IS SOLELY RESPONSIBLE TO OBTAIN OFF-SITE SPOIL AREAS FOR DISPOSAL OF
EXCESS AND/OR UNSUITABLE MATERIALS AS NECESSARY. OFF-SITE SPOIL AREAS MUST BE SUBMITTED
TO THE ENGINEER AND APPLICABLE REGULATORY AGENCIES PRIOR TO UTILIZATION BY THE
CONTRACTOR. NO AREAS DESIGNATED AS WETLANDS WILL BE PERMITTED FOR USE AS A DISPOSAL
SITE. THE CONTRACTOR SHALL SUBMIT DOCUMENTATION TO THE ENGINEER THAT NO WETLANDS WILL
BE IMPACTED. THE ENGINEER WILL NOT CONSIDER ANY DELAYS OR MONETARY CLAIMS OF ANY
NATURE RESULTING FROM THE CONTRACTOR'S FAILURE OR DIFFICULTY IN FINDING NECESSARY
DISPOSAL SITES TO MEET THE TIME FRAMES AND CAPACITIES REQUIRED. THE CONTRACTOR SHALL BE
RESPONSIBLE FOR ALL PLANS, PERMITS, EROSION AND SEDIMENT CONTROL MEASURES, ETC.
REQUIRED BY THE APPROPRIATE REGULATORY AGENCIES FOR UTILIZING OFF-SITE SPOIL AREAS. THE
CONTRACTOR SHALL CERTIFY TO THE ENGINEER THAT ALL REQUIRED PERMITS HAVE BEEN OBTAINED
PRIOR TO UTILIZING THE OFF-SITE SPOIL AREAS. ALL COSTS FOR PROCURING AND UTILIZING THE
OFF-SITE SPOIL AREAS ARE TO BE INCIDENTAL TO THE BASE BID.
UTILITY COMPANY CONTACTS
DUKE/PROGRESS ENERGY: SID LIVINGSTON / MARK HATFIELD (910) 452-2777
DUKE ENERGY (TRANSMISSION): BILL WILDER (910) 772-4903
AT&T: JAMES BATSON (910) 452-5300
SPECTRUM: ROBERT JOHN (910) 216-4494
PIEDMONT NATURAL GAS: PAUL GONKA (910) 512-2841 / DJ MEDEIROS (910) 431-3233
CAPE FEAR PUBLIC UTILITY AUTHORITY: (910) 332-6550
MATERIALS AND EASEMENT NOTES:
1.ALL CATCH BASINS ARE NCDOT STD 840.02, 840.03
2.ALL DROP INLETS ARE NCDOT STD 840.14, 840.16
3.ALL STORM DRAINAGE PIPING TO BE RCP, UNLESS OTHERWISE NOTED
4.ALL STORM DRAINAGE PIPING CONVEYING DISCHARGE FROM THE PUBLIC RIGHT-OF-WAY SHALL BE
CONTAINED WITHIN A PUBLIC DRAINAGE EASEMENT WHOSE WIDTH IS DETERMINED BY THE DEPTH OF
BURY
5.WATER AND SANITARY SEWER UTILITIES ARE PUBLIC - CAPE FEAR PUBLIC UTILITY AUTHORITY
EXCAVATION, GRADING, AND BACKFILLING NOTES
1.ANY UNDERCUTTING IN GOOD SOIL SHALL BE REPLACED AND THE REPLACEMENT MATERIAL SHALL BE
COMPACTED TO NINETY-FIVE (95) PERCENT OF MAXIMUM DENSITY OBTAINED AT OPTIMUM MOISTURE
CONTENT, AS DETERMINED BY THE ASTM D 698 STANDARD PROCTOR TEST METHOD. IN THE EVENT
THAT MATERIAL ENCOUNTERED AT PIPE GRADE, SUBGRADE OF PARKING OR ROADWAYS AND
SUBGRADE OF BUILDING FOUNDATIONS IS FOUND TO BE SOFT, SPONGY, OR IN ANY OTHER WAY
UNSUITABLE, THE CONTRACTOR SHALL NOTIFY THE GEOTECHNICAL ENGINEER IMMEDIATELY. SUCH
UNSUITABLE MATERIAL SHALL BE REMOVED TO A DEPTH AS SPECIFIED BY THE GEOTECHNICAL
ENGINEER AND REPLACED WITH A MINIMUM OF SIX (6) INCHES OF STONE, OR AS DIRECTED BY THE
GEOTECHNICAL ENGINEER.
2.BEFORE BACKFILLING IS COMMENCED OVER PIPES AND OTHER INSTALLATIONS, EARTH FILL SHALL BE
SOLIDLY TAMPED AROUND AND ABOVE THE PIPE TO A DEPTH OF ONE (1) FOOT ABOVE THE TOP OF THE
PIPE. CARE SHALL BE TAKEN TO PREVENT ANY DISTURBANCE TO THE PIPE OR DAMAGE TO NEWLY
MADE JOINTS. THE FILLING OF THE TRENCH SHALL BE CARRIED OUT SIMULTANEOUSLY ON BOTH SIDES
OF THE PIPES IN SUCH A MANNER THAT INJURIOUS SIDE PRESSURES DO NOT OCCUR.
3.THE MATERIAL FOR BACKFILLING SHALL BE FREE FROM ALL PERISHABLE AND OBJECTIONABLE
MATERIALS. BEFORE PLACING ANY BACKFILL, ALL RUBBISH, FORM, BLOCKS, WIRES OR OTHER
UNSUITABLE MATERIAL SHALL BE REMOVED FROM EXCAVATION. THE BACK-FILLING OVER PIPES SHALL
BE PLACED IN LAYERS NOT OVER SIX (6) INCHES THICK AND COMPACTED TO A MINIMUM DENSITY OF
NINETY-FIVE (95) PERCENT OF THE MAXIMUM DRY DENSITY AS DETERMINED BY THE MODIFIED
PROCTOR COMPACTION TEST TO A DEPTH OF 12 INCHES BELOW FINISHED GRADE. THE LAST 12 INCHES
OF BACKFILL SHALL BE PLACED IN LAYERS NOT OVER SIX (6) INCHES THICK AND COMPACTED TO A
MINIMUM DENSITY OF NINETY-EIGHT (98) PERCENT OF THE MAXIMUM DRY DENSITY AS DETERMINED BY
THE MODIFIED PROCTOR COMPACTION TEST.
STORM DRAINAGE AND GRADING NOTES
1.IN ACCORDANCE WITH NC GENERAL STATUTES, NPDES REGULATIONS, AND NCDENR REQUIREMENTS,
STORMWATER DISCHARGE OUTFALLS SHALL BE INSPECTED BY THE CONTRACTOR. INSPECTIONS
SHALL BE PERFORMED BY THE CONTRACTOR AFTER EACH STORM EVENT OF 1/2 INCH OR GREATER,
WITH ONE WEEKLY INSPECTION MINIMUM. NCDENR STANDARD INSPECTION REPORTS SHALL BE
PREPARED AND SIGNED WITH COPIES PROVIDED TO THE OWNER, ARCHITECT, AND ENGINEER, BY THE
CONTRACTOR.
2.INLET PROTECTION SHALL BE INSTALLED AROUND OUTFALL. DEVICES SHALL BE CONSTRUCTED TO
FINAL PROPOSED CONDITION UPON STABILIZATION OF CONTRIBUTING GROUND SURFACES AND
REMOVAL OF SEDIMENT FROM STORM PIPES.
3.ALL DIMENSIONS AND GRADES SHOWN ON THE PLANS SHALL BE FIELD VERIFIED BY THE CONTRACTOR
PRIOR TO CONSTRUCTION. CONTRACTOR SHALL NOTIFY CONSTRUCTION MANAGER IF ANY
DISCREPANCIES EXIST PRIOR TO PROCEEDING WITH CONSTRUCTION FOR NECESSARY PLAN OR GRADE
CHANGES. NO EXTRA COMPENSATION SHALL BE PAID TO CONTRACTOR FOR ANY WORK DONE DUE TO
DIMENSIONS OR GRADES SHOWN INCORRECTLY ON THESE PLANS IF SUCH NOTIFICATION HAS NOT
BEEN GIVEN.
4.UNLESS OTHERWISE NOTED, GRADES AND SPOT ELEVATIONS NOTED ON PLANS INDICATE FINISHED
GRADE OR PAVEMENT SURFACE. ALL DIMENSIONS ARE MEASURED TO THE BACK OF CURB UNLESS
OTHERWISE INDICATED.
5.COORDINATION WITH CITY SURVEYOR TO DETERMINE MONUMENTATION IS REQUIRED. NOTE ON PLANS.
6.CONTRACTOR TO COORDINATE WITH CITY OF WILMINGTON CONSTRUCTION INSPECTOR TO ENSURE
EDGE OF CATCH BASIN GRATES ALIGN WITH TRAVEL LANE AS REQUIRED.
EROSION CONTROL NOTES
1.TOTAL LAND DISTURBANCE AREA: 0.88 ACRES
2.ANY GRADING BEYOND THE DENUDED LIMITS SHOWN ON THE PLAN IS A VIOLATION OF THE COUNTY
EROSION CONTROL ORDINANCE AND IS SUBJECT TO A FINE.
3.GRADING MORE THAN ONE ACRE WITHOUT AN APPROVED EROSION CONTROL PLAN IS A VIOLATION OF
STATE LAW AND IS SUBJECT TO A FINE. ANY BUILDER THAT ANTICIPATED THE DISTURBANCE OF MORE
THAN ONE ACRE WILL BE REQUIRED TO GET AN EROSION CONTROL PERMIT FROM NEW HANOVER
COUNTY.
4.GROUND COVER MUST BE PROVIDED ON EXPOSED SLOPES WITHIN 21 CALENDAR DAYS FOLLOWING
COMPLETION OF ANY PHASE OF GRADING; AND, A PERMANENT GROUND COVER FOR ALL DISTURBED
AREAS WITHIN 15 WORKING DAYS OR 90 CALENDAR DAYS (WHICHEVER IS SHORTER) FOLLOWING
COMPLETION OF CONSTRUCTION OR DEVELOPMENT.
5.ADDITIONAL MEASURES TO CONTROL EROSION AND SEDIMENT MAY BE REQUIRED BY A
REPRESENTATIVE OF NEW HANOVER COUNTY.
6.SLOPES SHALL BE GRADED NO STEEPER THAN 3:1.
7.ADDITIONAL DEVICES MAY BE REQUIRED AS AGREED UPON BY THE FIELD INSPECTOR, ENGINEER, AND
OWNER.
8.IF ACTIVE CONSTRUCTION CEASES IN ANY AREA FOR MORE THAN 15 WORKING DAYS OR 90 CALENDAR
DAYS (WHICHEVER IS SHORTER), ALL DISTURBED AREAS MUST BE SEEDED, MULCHED, AND TACKED.
9.WITHIN 24 HOURS FOLLOWING ANY RAIN EVENT, THE CONTRACTOR SHALL INSPECT AND REPAIR, AS
NECESSARY, ALL DAMAGED EROSION CONTROL MEASURES.
10.ALL ACTIVITY AND INSTALLATION OF EROSION CONTROL MATTING WILL BE COMPLETE PRIOR TO ANY
RAIN EVENT.
FIRE PROTECTION NOTES
1.FIRE SPRINKLERS WILL BE PROVIDED FOR BUILDING.
2.HYDRANT MUST BE WITHIN 150' OF THE FDC.
3.THE FDC MUST BE WITHIN 40' OF FIRE APPARATUS PLACEMENT.
4.LANDSCAPING OR PARKING CANNOT BLOCK OR IMPEDE THE FDC OR FIRE HYDRANTS. A 3-FOOT CLEAR
SPACE SHALL BE MAINTAINED AROUND THE CIRCUMFERENCE OF THE HYDRANT AND FDC.
5.HYDRANTS MUST BE LOCATED WITHIN 8' OF THE CURB.
6.COMBUSTIBLE MATERIALS MAY NOT BE STORED OR ERECTED ONSITE WITHOUT CITY FIRE INSPECTOR
APPROVAL.
7.NEW HYDRANTS MUST BE AVAILABLE FOR USE PRIOR TO CONSTRUCTION OF THE BUILDING(S).
8.UNDERGROUND FIRE LINE AND PRIVATE WATER MAINS MUST BE PERMITTED AND INSPECTED BY CITY
OF WILMINGTON FIRE DEPARTMENT FROM THE PUBLIC RIGHT-OF-WAY TO THE BUILDING. CONTACT
CITY OF WILMINGTON FIRE DEPARTMENT AT 910-798-7420.
9.A MINIMUM OF 5' SHALL SEPARATE UNDERGROUND FIRE LINES OR PRIVATE WATER MAINS FROM
UNDERGROUND UTILITIES
10.CONTRACTOR SHALL MAINTAIN AN ALL WEATHER ACCESS FOR EMERGENCY VEHICLES AT ALL TIMES
DURING CONSTRUCTION.
11.ALL WEATHER ACCESS ROAD MUST BE MAINTAINED AROUND CONSTRUCTION SITE AT ALL TIMES.
12.FIRE HYDRANTS ARE TO BE INSTALLED PER CFPUA SPECIFICATIONS.
EROSION CONTROL MAINTENANCE PLAN:
1.ALL SEDIMENT AND EROSION CONTROL DEVICES SHALL BE INSPECTED AND REPAIRED, AS
NECESSARY, EVERY SEVEN (7) DAYS AND WITHIN 24 HOURS OF EVERY ONE-HALF (0.5) INCH OR
GREATER RAINFALL.
2.ALL EROSION CONTROL DEVICES SHALL BE PROPERLY MAINTAINED DURING ALL PHASES OF
CONSTRUCTION UNTIL THE COMPLETION OF ALL CONSTRUCTION ACTIVITIES AND ALL DISTURBED
AREAS HAVE BEEN STABILIZED. ADDITIONAL CONTROL DEVICES MAY BE REQUIRED DURING
CONSTRUCTION IN ORDER TO CONTROL EROSION AND/OR OFFSITE SEDIMENTATION. ALL TEMPORARY
CONTROL DEVICES SHALL BE REMOVED ONCE CONSTRUCTION IS COMPLETE AND THE SITE IS
STABILIZED.
3.SEDIMENT SHALL BE REMOVED FROM BEHIND THE SILT FENCE WHEN IT BECOMES ABOUT 0.5 FEET
DEEP. THE SEDIMENT FENCE WILL BE REPAIRED OR REPLACED AS NECESSARY TO MAINTAIN A
BARRIER.
4.ALL AREAS WILL BE FERTILIZED, RESEEDED AS NECESSARY, AND MULCHED ACCORDING TO
SPECIFICATIONS IN THE VEGETATIVE PLAN TO MAINTAIN A VIGOROUS, DENSE VEGETATIVE COVER.
5.STONE CONSTRUCTION ENTRANCE TO BE CLEANED WHEN SEDIMENT ACCUMULATIONS ARE VISIBLE
OR SEDIMENT IS TRACKED ON TO THE PAVEMENT. STONE WILL BE PERIODICALLY TOP DRESSED WITH 2
INCHES OF #4 STONE TO MAINTAIN 6 INCH DEPTH. THE CONTRACTOR SHALL DAILY REMOVE MUD/SOIL
FROM PAVEMENT, AS REQUIRED.
6.INSPECT INLETS AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT (0.5" OR GREATER) RAINFALL EVENT.
CLEAR THE DANDY SACKS OF SEDIMENT AND THE MESH WIRE OF ANY DEBRIS Or OTHER OBJECTS TO
PROVIDE ADEQUATE FLOW FOR SUBSEQUENT RAINS. TAKE CARE NOT TO DAMAGE OR UNDERCUT THE
WIRE MESH DURING SEDIMENT REMOVAL. REPLACE STONE AS NEEDED. INLET PROTECTION SHOULD
BE CLEANED OUT WHEN IT IS HALF FULL.
7.INSPECT WATTLES ONCE A WEEK AND AFTER EACH SIGNIFICANT (1/2 INCH OR GREATER) RAIN FALL
EVENT AND REPAIR IMMEDIATELY. CLEAN OUT SEDIMENT, STRAW, LIMBS, OR OTHER DEBRIS THAT
COULD CLOG THE CHANNEL WHEN NEEDED. CORRECT ALL DAMAGE FROM SUBMERGENCE AND
DEPOSITION ABOVE THE CHECK DAM / WADDLE AND EROSION FROM HIGH FLOWS AROUND EDGES OF
DAM IMMEDIATELY.IF SIGNIFICANT EROSION OCCURS BETWEEN DAMS, INSTALL A PROTECTIVE RIPRAP
LINER IN THAT PORTION OF THE CHANNEL PER NCDENR PRACTICE 6.31. REMOVE SEDIMENT
ACCUMULATION BEHIND THE DAMS AS NEEDED TO PREVENT DAMAGE TO THE CHANNEL
VEGETATION/LINING, ALLOW THE CHANNEL TO DRAIN THROUGH THE STONE CHECK DAM, AND
PREVENT LARGE FLOWS FROM CARRYING SEDIMENT OVER THE DAM / WADDLE. ADD STONES TO
CHECK DAMS AND REPAIR/REPLACE WATTLES AS NEEDED TO MAINTAIN DESIGN HEIGHT AND CROSS
SECTION.
8.INSPECT SILT FENCE ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REQUIRED REPAIRS
IMMEDIATELY. SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE, OR
BECOME INEFFECTIVE, REPLACE IT IMMEDIATELY. SEDIMENT SHALL BE REMOVED FROM BEHIND THE
SILT FENCE WHEN IT BECOMES ABOUT 0.5 FEET DEEP. THE SEDIMENT FENCE WILL BE REPAIRED OR
REPLACED AS NECESSARY TO MAINTAIN A BARRIER.
9.INSPECT RIPRAP OUTLET STRUCTURES WEEKLY AND AFTER SIGNIFICANT (1/2 INCH OR GREATER)
RAINFALL EVENTS TO SEE IF ANY EROSION AROUND OR BELOW THE RIPRAP HAS TAKEN PLACE, OF IF
STONES HAVE BEEN DISLODGED. IMMEDIATELY MAKE ALL NEEDED REPAIRS TO PREVENT FURTHER
DAMAGE. REPAIR OR REPLACE RIPRAP AS REQUIRED TO MAINTAIN EFFECTIVENESS. CONTROL WEED
AND BRUSH GROWTH AS NEEDED.
10.SILT FENCE OUTLETS ARE TO BE INSPECTED ONCE A WEEK AND AFTER EACH RAIN EVENT. MAKE ANY
REQUIRED REPAIRS IMMEDIATELY. SHOULD THE STONE BECOME CLOGGED WITH SEDIMENT, IT SHALL
BE CLEANED AND/OR REPACED PRIOR TO THE NEXT STORM EVENT. IF WASHOUT BETWEEN THE STONE
AND SILT FENCE OCCURS, THE AREAS SHALL BE REPAIRED IMMEDIATELY.
UTILITY NOTES
1.SCHEDULE A PRECONSTRUCTION MEETING WITH CAPE FEAR PUBLIC UTILITY AUTHORITY 48 HOURS
PRIOR TO CONSTRUCTION OF WATER AND SEWER LINES.
2.WATER AND SANITARY SEWER UTILITY MAINS ARE PRIVATE BEYOND THE PUBLIC STREET
RIGHT-OF-WAY.
3.THIS PROJECT SHALL COMPLY WITH THE CFPUA CROSS CONNECTION CONTROL REQUIREMENTS.
WATER METER(S) CANNOT BE RELEASED UNTIL ALL REQUIREMENTS ARE MET AND NCDENR HAS
ISSUED THE "FINAL APPROVAL".
4.ALL COMMERCIAL WATER SERVICES AND ANY IRRIGATION SYSTEMS SUPPLIED BY CFPUA WATER
SHALL HAVE A BACKFLOW PREVENTION DEVICE ACCEPTABLE TO CFPUA AND APPROVED BY
USCFCCCHR OR ASSE.
5.BACKFLOW PREVENTION AND METERS WILL BE PROVIDED FOR BOTH FIRE LINES (RPDA) AND
DOMESTIC SERVICE (RPZ). FIRE LINE BACKFLOW PREVENTER AND DOMESTIC SERVICE BACKFLOW
PREVENTER WILL BE LOCATED AS SHOWN ON THE UTILITY PLANS. INSTALLER OF BACKFLOW
PREVENTERS MUST CONTACT CFPUA PRIOR TO INSTALLING UNITS TO GIVE CFPUA THE OPTION TO
VERIFY INSTALLATION PROCEDURES.
5.1.REDUCED PRESSURE PRINCIPLE ASSEMBLY FOR DOMESTIC WATER SERVICE
5.2.REDUCE PRESSURE DETECTOR ASSEMBLY WILL BE UTILIZED FOR THE BACKFLOW PREVENTER
ON THE FIRE SERVICE.
6.IF THE CONTRACTOR DESIRES CFPUA WATER FOR CONSTRUCTION HE SHALL APPLY IN ADVANCE FOR
THIS SERVICE AND MUST PROVIDE A REDUCED PRESSURE ZONE (RPZ) BACKFLOW PREVENTION
DEVICE ON THE DEVELOPER'S SIDE OF THE WATER METER BOX.
7.WATER: 1.5" AND 2" PVC SERVICES SHALL BE CONSTRUCTED USING ASTM D2241, IPS, GASKETED PIPE,
SDR 21. 4"-12" PVC MAINS AND SERVICES SHALL BE CONSTRUCTED USING AWWA C-900 PVC, CL235
(DR-18). REQUIREMENTS OF AWWA C900 ELASOMERIC PUSH-ON JOINTS.
8.SANITARY SEWER: FOR PIPE SIZES 4" AND 6" PIPE SHALL BE SCH 40 CONFORMING TO THE
REQUIREMENTS OF ASTM D1785 WITH SOLVENT WELD JOINTS CONFORMING TO ASTM D2672. FOR PIPE
SIZES 8" THROUGH 12", PIPE SHALL BE CLASS 150, DR18 CONFORMING TO THE REQUIREMENTS OF
AWWA C900 WITH ELASTOMERIC PUSH-ON JOINTS CONFORMING TO ASTM D3212 OR ASTM D3139.
9.WATER AND SEWER SERVICES CANNOT BE ACTIVATED ON NEW MAINS UNTIL ENGINEER'S
CERTIFICATION AND AS-BUILTS ARE RECEIVED AND "FINAL APPROVAL" ISSUED BY PUBLIC WATER
SUPPLY SECTION OF NCDENR AND "FINAL ENGINEERING CERTIFICATION" ISSUED BY DIVISION OF
WATER QUALITY OF NCDENR.
10.WATERLINE TRACER WIRE: SEE CFPUA DETAIL WD-17.
11.SITE UTILITY CONTRACTOR TO PROVIDE WATER AND SANITARY SEWER SERVICE TO WITHIN 5 FEET OF
THE BUILDING. CONTRACTOR SHALL COORDINATE SITE PLAN CONNECTIONS WITH THE
ARCHITECTURAL BUILDING PLANS.
12.MAXIMUM BENDING RADIUS FOR 8" C-900 PVC WATER MAIN BENDS IS 380' (ONE-HALF MANUFACTURER'S
RECOMMENDED ALLOWABLE LONGITUDINAL BENDING).
13.UNDERGROUND UTILITIES: ALL NEW UTILITIES SHALL BE INSTALLED UNDERGROUND, EXCEPT WHERE
SUCH PLACEMENT IS PROHIBITED OR DEEMED IMPRACTICAL BY THE UTILITY PROVIDER.
UNDERGROUND TERMINAL FACILITIES FOR STREET LIGHTING ALONG THE PUBLIC STREETS ABUTTING
THE SUBJECT SITE SHALL BE INSTALLED BY THE DEVELOPER.
14.MINIMUM OF 36" COVERAGE ABOVE ALL WATERMAINS.
15.MINIMUM OF 36" VERTICAL SEPARATION BETWEEN WATERLINES AND STORMDRAIN CURB INLETS
16.A VARIANCE IS NOT ANTICIPATED FROM ANY NORTH CAROLINA DIVISION OF WATER QUALITY (DWQ)
REQUIREMENT.
17.PLANS ARE IN COMPLIANCE WITH CAPE FEAR PUBLIC UTILITY AUTHORITY TECHNICAL STANDARDS AND
SPECIFICATIONS.
RELATION OF WATER MAINS TO SANITARY SEWERS:
1.LATERAL SEPARATION OF SANITARY SEWERS AND WATER MAINS: WATER MAINS SHALL BE LAID AT
LEAST 10 FEET LATERALLY FROM EXISTING OR PROPOSED SEWERS UNLESS LOCAL CONDITIONS OR
BARRIERS PREVENT A 10 FOOT LATERAL SEPARATION, IN WHICH CASE:
1.1.THE WATER MAIN IS LAID IN A SEPARATE TRENCH, WITH THE ELEVATION OF THE BOTTOM OF THE
WATER MAIN AT LEAST 18 INCHES ABOVE THE TOP OF THE SEWER, OR
1.2.THE WATER MAIN IS LAID IN THE SAME TRENCH AS THE SEWER WITH THE WATER MAIN LOCATED
AT ONE SIDE ON A BENCH OF UNDISTURBED EARTH, AND ABOVE THE TOP OF THE SEWER.
2.CROSSING A WATER MAIN OVER A SEWER MAIN: WHENEVER IT IS NECESSARY FOR A WATER MAIN TO
CROSS OVER A SEWER THE WATER MAIN SHALL BE LAID AT SUCH AN ELEVATION THAT THE BOTTOM
OF THE WATER MAIN IS AT LEAST 24 INCHES ABOVE THE TOP OF THE SEWER MAIN. UNLESS LOCAL
CONDITIONS OR BARRIERS PREVENT AN 18 INCH VERTICAL SEPARATION - IN WHICH CASE BOTH THE
WATER MAIN AND THE SEWER MAIN SHALL BE CONSTRUCTED OF FERROUS MATERIALS AND WITH
JOINTS THAT ARE EQUIVALENT TO WATER MAIN STANDARDS FOR A DISTANCE OF 10 FEET ON EACH
SIDE OF THE POINT OF CROSSING.
3.CROSSING A WATER MAIN UNDER A SEWER MAIN: WHENEVER IT IS NECESSARY FOR A WATER MAIN TO
CROSS UNDER A SEWER MAIN BOTH THE WATER MAIN AND THE SEWER MAIN SHALL BE CONSTRUCTED
OF FERROUS MATERIALS AND WITH JOINTS EQUIVALENT TO WATER MAIN STANDARDS FOR A DISTANCE
OF 10 FEET ON EACH SIDE OF THE POINT OF CROSSING.
4.CROSSING A SEWER MAIN/WATER MAIN OVER OR UNDER A STORM DRAIN: WHENEVER IT IS
NECESSARY FOR A SEWER MAIN/WATER MAIN TO CROSS A STORM DRAIN PIPE, THE SEWER
MAIN/WATER MAIN SHALL BE LAID AT SUCH AN ELEVATION THAT THE OUTSIDE OF THE SEWER
MAIN/WATER MAIN NEAREST TO THE OUTSIDE OF THE STORM DRAIN PIPE SHALL MAINTAIN A 24 INCH
CLEAR SEPARATION DISTANCE HORIZONTAL, OR THE SEWER MAIN/WATER MAIN SHALL EITHER BE
CONSTRUCTED OF DUCTILE IRON PIPE OR ENCASED IN EITHER CONCRETE OR DUCTILE IRON PIPE FOR
AT LEAST 5 FEET ON EITHER SIDE OF THE CROSSING.
CAPE FEAR PUBLIC UTILITY AUTHORITY
CONSTRUCTION PROCEDURE:
1.THE DESIGN ENGINEERING SHALL SUBMIT 3 SETS OF FINAL DESIGN PLANS AND APPROVED
SPECIFICATIONS PRIOR TO SCHEDULING THE PRE-CONSTRUCTION MEETING.
2.SUBMITTALS FOR MATERIALS SHOULD BE MADE IN ACCORDANCE WITH CFPUA SPECIFICATION
SECTION 01340. MATERIAL SHOP DRAWING SUBMITTALS ARE REQUIRED FOR ALL PHYSICAL
ASSETS TO ENSURE THEY COMPLY WITH CFPUA TECHNICAL SPECIFICATIONS AND DETAILS. THESE
SUBMITTALS ARE PROJECT-SPECIFIC, AND MUST INCLUDE OR HIGHLIGHT ONLY THE SPECIFIC
MATERIALS TO BE USED IN THE PROJECT. THE SUBMITTAL APPROVAL PROCESS IS GENERALLY AS
FOLLOWS:
MATERIAL VENDOR FURNISHES SUBMITTALS TO THE CONTRACTOR BASED ON THE PROJECT
REQUIREMENTS. CONTRACTOR REVIEWS THE SUBMITTALS FOR COMPLIANCE WITH THE
APPROVED CONSTRUCTION DRAWINGS, CFPUA TECHNICAL SPECIFICATIONS AND DETAILS, AND
FORWARDS TO THE DEVELOPER’S ENGINEER-OF-RECORD WHEN COMPLETE.
THE DEVELOPER'S ENGINEER-OF-RECORD VERIFIES COMPLIANCE, STAMPS AND SIGNS THE
SUBMITTAL, AND FORWARDS THE PACKAGE TO THE CFPUA CONSTRUCTION MANAGER. IF IT IS
DETERMINED THAT THE MATERIAL SHOP DRAWING SUBMITTAL IS NOT IN COMPLIANCE, THE
ENGINEER SHALL RETURN IT TO THE CONTRACTOR FOR CORRECTION AND RESUBMISSION AS
NOTED ABOVE.
CFPUA’S CONSTRUCTION MANAGER REVIEWS THE SUBMITTAL FROM THE DEVELOPER’S
ENGINEER-OF-RECORD, VERIFIES COMPLIANCE, AND NOTIFIES THE ENGINEER THAT THE
MATERIALS ARE APPROVED FOR CONSTRUCTION. IF IT IS DETERMINED THAT THE MATERIAL SHOP
DRAWING SUBMITTAL IS NOT IN COMPLIANCE, THE SUBMITTAL WILL BE RETURNED TO THE
ENGINEER FOR CORRECTION AND RESUBMISSION AS NOTED ABOVE.
3.ANY REQUEST FOR DEVIATIONS FROM THE STAMPED DRAWINGS AND MATERIAL SUBMITTALS
MUST BE SUBMITTED TO THE CFPUA CONSTRUCTION MANAGER. THE DEVIATION WILL BE
REVIEWED BY CFPUA STAFF. THE ENGINEER, CONTRACTOR AND CFPUA INSPECTOR WILL BE
NOTIFIED IF IT IS APPROVED, NEEDS TO BE REVISED AND RESUBMITTED OR REJECTED. ANY
CHANGES TO THE STAMPED CONSTRUCTION DOCUMENTS MADE IN THE FIELD BY THE
CONTRACTOR MUST BE APPROVED BY THE ENGINEER OF RECORD AND CFPUA CONSTRUCTION
MANAGER. THE CFPUA INSPECTOR CANNOT APPROVE MAJOR CHANGES FROM THE STAMPED
CONSTRUCTION DOCUMENTS.
4.THE CFPUA INSPECTOR SHALL BE NOTIFIED WHEN ANY MATERIAL IS DELIVERED TO THE JOB SITE.
THE CFPUA INSPECTOR WILL VERIFY THAT ALL MATERIALS MEET CFPUA SPECIFICATIONS,
DETAILS, AND/OR APPROVED SUBMITTAL. THE CFPUA INSPECTOR WILL NOTIFY THE CONTRACTOR
AND THE CFPUA CONSTRUCTION MANAGER OF ANY UNAPPROVED MATERIAL, AND THAT THE
UNAPPROVED MATERIAL MUST BE REMOVED FROM THE PROJECT SITE.
5.CONTRACTOR SHALL GIVE TWO (2) BUSINESS DAYS NOTIFICATION FOR SCHEDULING TO THE
ASSIGNED CFPUA INSPECTOR FOR EACH OF THE FOLLOWING:
-OPERATING A CFPUA VALVE (INCLUDES TAPPING VALVES)
-WHEN BEGINNING CONSTRUCTION AND IF THE CONTRACTOR PULLS OFF THE SITE
-LAYING OUT OF ANY CONNECTION IN EXISTING MANHOLE
-CUTTING IN ANY NEW MANHOLES ON EXISTING LINES
-CORING ANY MANHOLES
-CONNECTING TO AN EXISTING SEWER FORCE MAINS
-CONNECTING ONTO EXISTING WATER LINES
-ANY BORES AND THREADING CARRIER PIPES
-ALL CAMERA WORK, TESTING, CHLORINATION AND WATER SAMPLING
-ALL TESTING
CAPE FEAR PUBLIC UTILITY AUTHORITY TESTING
PROCEDURE:
1.ALL STRUCTURES, PRESSURE PIPING AND GRAVITY SEWER PIPING SHALL BE TESTED BY THE
CONTRACTOR AS SPECIFIED IN THE CFPUA SPECIFICATIONS IN ACCORDANCE WITH APPLICABLE
REGULATIONS AND AS DIRECTED BY THE CFPUA INSPECTOR. ALL TESTING MUST BE CONDUCTED
IN THE PRESENCE OF THE CFPUA INSPECTOR. THE CONTRACTOR IS TO GIVE TWO (2) BUSINESS
DAYS NOTIFICATION FOR SCHEDULING, TO THE ASSIGNED CFPUA INSPECTOR FOR ALL TESTING.
2.ALL PRESSURE PIPE LINES MUST BE SUBJECTED TO HYDROSTATIC TESTING IN ACCORDANCE
WITH THE APPROPRIATE CFPUA SPECIFICATION. THESE PIPE LINES SHALL BE TESTED TO 150 PSI
FOR A PERIOD OF TWO (2) HOURS. IF THE PRESSURE DROPS MORE THAN THREE (3) PSI, THE TEST
FAILS. REFER TO THE APPROPRIATE CFPUA SPECIFICATION FOR MORE INFORMATION ON THE
PROCEDURE.
3.ALL WATER MAINS AND SERVICES MUST BE FLUSHED, CHLORINATED AND SAMPLED IN
ACCORDANCE WITH THE CFPUA SPECIFICATION 02660 AND AS DIRECTED BY THE CFPUA
INSPECTOR.
4.SEWER LINE SEGMENT TESTING: EACH SEWER LINE SEGMENT (THE SEWER MAIN BETWEEN
MANHOLES) SHALL BE TESTED:
THIRTY (30) DAYS AFTER INSTALLATION AND PRIOR TO FINAL ACCEPTANCE OF THE PROJECT, ALL
SEWER LINE SEGMENTS AND ALL SERVICES SHALL BE CAMERA INSPECTED AND VIDEO
RECORDED. THE CFPUA INSPECTOR WILL REVIEW THE VIDEO RECORDING FOR ACCEPTANCE.
AS AN ALTERNATIVE TO WAITING THIRTY (30) DAYS TO PERMIT STABILIZATION OF THE SOIL-PIPE
SYSTEM, THE CFPUA MAY ACCEPT CERTIFICATION FROM A SOIL TESTING FIR VERIFYING THAT THE
BACKFILL OF THE TRENCH HAS BEEN COMPACTED TO AT LEAST 95% MAXIMUM DENSITY.
AFTER TWO (2) PAPER COPIES OF THE AS-BUILTS HAVE BEEN SUBMITTED TO THE CFPUA
INSPECTOR. AFTER GRAVEL HAS BEEN INSTALLED ON ALL ROADWAYS.
5.VIDEO INSPECTION TESTING: THE CONTRACTOR SHALL PROVIDE A DVD(S) OF EACH SEWER LINE
SEGMENT AND SERVICE LINE TO ENSURE THAT THE LINES MEET MINIMUM STANDARDS. THE
DVD(S) WILL BE REVIEWED IN THE ORDER THEY ARE RECEIVED. THE TYPICAL REVIEW TIME IS
GENERALLY TEN (10) TO FIFTEEN (15) BUSINESS DAYS BUT WILL DEPEND ON THE COMPLEXITY OF
THE PROJECT, SIZE, QUALITY OF THE DVD(S), ETC.
THE MAIN LINE CAMERA INSPECTION MUST HAVE PROJECT NAME, FOOTAGES, MANHOLE
NUMBERS, AND DATES OF INSPECTION.
THE SERVICE LINE CAMERA INSPECTION MUST INCLUDE PROJECT NAME, FOOTAGES, ADDRESS
AND/OR LOT NUMBER, AND DATE OF INSPECTION.THE CAMERA INSPECTION MUST SHOW THE
FULL DIAMETER OF THE PIPE.
THE CAMERA INSPECTION MUST BE PERFORMED UPON COMPLETION OF CLEANING AND POTABLE
WATER INTRODUCED INTO THE SYSTEM TO BE TESTED. ALL DEFECTS IN THE PIPELINE AND
APPURTENANCES SHALL BE REMEDIED BY THE CONTRACTOR AT NO ADDITIONAL EXPENSE TO THE
CFPUA AND WILL BE RE-INSPECTED AS OUTLINED ABOVE.
6.TWO (2) SETS OF AS-BUILT RECORD DRAWINGS SHALL BE PROVIDED IN ACCORDANCE WITH CFPUA
SPECIFICATION SECTION 01720 FOR REVIEW.
GENERAL NOTES
1.ALL MATERIALS AND CONSTRUCTION METHODS PER THE LATEST EDITION OF THE CITY OF
WILMINGTON SPECIFICATIONS AND DETAILS.
2.ALL SITE WORK, AT A MINIMUM, SHALL BE PERFORMED IN ACCORDANCE WITH THE 2024 NCDOT
ROADWAY STANDARD DRAWINGS AND STANDARD SPECIFICATIONS FOR ROADS AND STRUCTURES
UNLESS OTHERWISE NOTED OR DIRECTED. ROADS SHALL BE CONSTRUCTED TO NCDOT STANDARDS
AND SPECIFICATIONS (LATEST EDITION).
3.UNDERGROUND UTILITIES MAY EXIST ON, ALONG OR WITHIN CONFLICT OF THIS PROJECT. THE
CONTRACTOR IS RESPONSIBLE FOR CONTACTING NC 811 OR THE APPROPRIATE UTILITY COMPANIES
PRIOR TO ANY EXCAVATION.
4.THE CONTRACTOR SHALL BE FULLY RESPONSIBLE FOR THE DEMOLITION OF ANY EXISTING ON SITE
ITEMS AS SHOWN ON THE DEMO PLAN, ABOVE AND BELOW GROUND. THE CONTRACTOR IS ALSO
RESPONSIBLE FOR REMOVAL OF ALL WASTE RESULTING FROM DEMOLITION.
5.THE CONTRACTOR SHALL OBSERVE ALL REQUIRED SAFETY PRECAUTIONS IN THE PERFORMANCE OF
ALL WORK IN ACCORDANCE WITH CURRENT OSHA REGULATIONS.
6.THE CONTRACTOR SHALL GRADE, SEED, AND SOD OR OTHERWISE PROVIDE TEMPORARY AND
PERMANENT STABILIZATION OF ALL DISTURBED AREAS.
7.WORK WITHIN PUBLIC RIGHT-OF-WAYS SHALL BE IN ACCORDANCE WITH ALL STATE AND LOCAL
REQUIREMENTS, NOTIFICATIONS, STANDARDS AND POLICIES.
8.ANY SUBSTITUTIONS, CHANGES, OR MODIFICATIONS SHALL BE APPROVED BY THE PROJECT ENGINEER,
PLANNING DEPARTMENT STAFF, AND OWNER PRIOR TO INSTALLATION/CONSTRUCTION.
9.THE GRADE LINES DENOTE THE FINISHED ELEVATIONS OF THE PROPOSED SURFACE. GRADE LINES
MAY BE ADJUSTED AT THEIR BEGINNING, ENDING AND AT STRUCTURES AS DIRECTED BY THE
ENGINEER IN ORDER TO PROVIDE A PROPER TIE-IN. CONTRACTOR SHALL FIELD VERIFY ALL
PROPOSED INVERTS, FFE'S, AND FINISHED SURFACES TO ENSURE THAT MINIMUM SLOPE AND COVER
REQUIREMENTS ARE PROVIDED PRIOR TO INSTALLATION.
10.THE EARTHWORK ON THIS PLAN DOES NOT NECESSARILY BALANCE. OFFSITE BORROW OR WASTE MAY
BE REQUIRED.
11.ALL PIPE INVERTS TO BE VERIFIED IN THE FIELD PRIOR TO CONSTRUCTING GRAVITY SYSTEMS AND
SHALL BE ADJUSTED BY THE ENGINEER IF NECESSARY. ALL STORM DRIANAGE PIPE SHALL BE HP PIPE
DUAL WALL (POLYPROPYLENE PIPE).
12.NEW SIGNS REQUIRE ZONING COMPLIANCE AND BUILDING PERMITS PER UDO. A PERMIT IS REQUIRED
FOR THE SITE IDENTIFICATION SIGN. SIGN SHALL MEET CITY OF WILMINGTON STANDARDS.
SURVEY LEGEND (EXISTING)
PROPERTY LINE
CENTERLINE
EASEMENT
LOT CORNER
EXISTING CONCRETE MONUMENT
EXISTING IRON ROD
NEW IRON PIPE ROD
CORRUGATED METAL PIPE
IRRIGATION CONTROL VALVE
RIGHT OF WAY
ADJOINER LINE
OVER HEAD WIRE
GUY WIRE (ANCHORE)
LIGHT POLE
ECM
EIR
NIPS
ICV
42" CMP
OHW
GW
WATER METER
SEWER CLEAN OUT
TELEPHONE PEDESTAL
WETLANDWETWET
LP
W
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CIVIL LEGEND (NEW)
LIMITS OF DISTURBANCELODLOD
STORM DRAINAGE PIPE
WATER MAINW
SANITARY SEWER MAIN
WATER SERVICE
WATER VALVE
SANITARY SEWER SERVICE
SS
W
PROPOSED MAJOR CONTOUR
PROPOSED MINOR CONTOUR
30
29
CURB CUT
ROOF DRAIN
CC
RD
DEMOLITION
SEDIMENT AND EROSION
CONTROL LEGEND
LOD LOD
SF
LIMITS OF DISTURBANCE
SILT FENCE
WATTLE CHECK DAM
CONSTRUCTION ENTRANCE
INLET PROTECTION
LOD
SF
CE
IP
DRAINAGE AREA DA
CD
OUTLET PROTECTION OP
9/29/25
OH
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OHE
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N/F
BGCS PROPERTY ASSOCIATION, LLC
PID R03200-002-001-001
DEED BOOK 5766 PAGE 1717
MAP BOOK 33 PAGE 362
LUC: 730-OFFICE AND PROFESSIONAL
COMMERCIAL
ZONING: I-2
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RC #200
N 195,757.63 GROUND
E 2,310,621.06 GROUND
EL. 15.99'
RC #201
NC GRID NAD83/2011
N 196,071.55 GRID
E 2,310,447.06 GRID
EL. 15.18'
27004
14.430
RBF 1/2"
0.6' A.G.
BENT, S.A.B.
ROW DISC
RBF 1/2"
0.2'A.G.
2723314.41GAS MKR
2723414.35
RBF 1/2"
0.4' B.G.
GWGW
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2717516.04LP
GW
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PROPERTY LINES PER
DEED BOOK AND PAGE
PAVEMENT LOCATED WHERE
VISIBLE, CONTINUES UNDER
GROUND (TO BE REMOVED)
4' HOGWIRE FENCE WITH 1 STRAND
BARBED WIRE ON TOP (TO BE REMOVED)
INT
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N/F
CAROLINA POWER & LIGHT CO
PIN R03200-004-002-000
DEED BOOK 507 PAGE 66
LUC: 491-UTILITIES
ZONING: I-2
18" RCP
INV=12.32'
18" RCP
INV=12.52'
15" RCP
INV=12.54'
15" RCP
INV=12.56'
15" RCP
INV=13.03'
15" RCP
INV=13.11'
N/F
ORD, LLC
PID R03200-002-0035-000
DEED BOOK 6736 PAGE 1717
MAP BOOK 33 PAGE 2160
LUC: 899-OTHER SERVICES
COMMERCIAL
ZONING: I-2
W
W
W
W
W
W
W
W
W
W
W
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(TO BE REMOVED)
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LO
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LOD
LOD
LO
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LO
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ENGINEER
PROJECT OWNER
STAMP
CHECKED BY
PRINCIPAL IN CHARGE
REVISIONS
ISSUE FOR
ISSUE DATE
PROJECT ADDRESS
PROJECT NUMBER
SHEET TITLE
SHEET NUMBER
www.rivervieweng.com
4904 PARK AVENUE
WILMINGTON, NC 28403
(910) 398-2882
nlauretta@rivervieweng.com
DRAWN BY
CO
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DEMOLITION
PLAN
CX102
DESIGN DEVELOPMENT
1026.02
3305 FREDRICKSON RD
WILMINGTON, NC 28401
REVIEW - NOT FOR CONSTRUCTION
SEPTEMBER 29, 2025
N. LAURETTA, PE, LEED AP
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SCALE: 1" = 20'
20'0 20'40'
GRAPHIC SCALE
NC GRID NAD 83/2011
DEMOLITION PLAN1SCALE: 1" = 20'
DEMOLITION NOTES
1.THE CONTRACTOR SHALL VISIT THE SITE TO BECOME FAMILIARIZED
WITH FIELD DEMOLITION CONDITIONS.
2.THE CONTRACTOR IS RESPONSIBLE FOR THE PROPER DISPOSAL OF ALL
DEMOLISHED DEBRIS ASSOCIATED WITH THE PROJECT IN
ACCORDANCE WITH THE PROJECT SPECIFICATIONS.
3.THE CONTRACTOR IS RESPONSIBLE FOR CONTROLLING DUST
GENERATED BY THE WORK, INCLUDING BUT NOT LIMITED TO
DEMOLITION AND CONSTRUCTION ACTIVITIES, SITE VEHICULAR
TRAFFIC AND RELATED OPERATIONS.
4.THE CONTRACTOR IS RESPONSIBLE FOR HAVING ALL EXISTING
UTILITIES LOCATED PRIOR TO BEGINNING ANY DEMOLITION.
CONTRACTOR SHALL CONTACT NC ONE CALL AT LEAST 72 HOURS
PRIOR TO BEGINNING CONSTRUCTION OR EXCAVATION TO HAVE
EXISTING UTILITIES LOCATED.
5.EXISTING UTILITIES AND STRUCTURES SHOWN, BOTH UNDERGROUND
AND ABOVE GROUND, ARE BASED ON FIELD SURVEY AND THE BEST
AVAILABLE RECORD DRAWINGS. THE CONTRACTOR SHALL VERIFY
FIELD CONDITIONS PRIOR TO BEGINNING RELATED CONSTRUCTION.
ANY DISCREPANCIES SHALL BE REPORTED TO THE OWNER'S
REPRESENTATIVE AND ENGINEER IMMEDIATELY.
6.THE CONTRACTOR IS RESPONSIBLE FOR THE COORDINATION OF
DISCONNECTING AND ABANDONING ALL EXISTING UTILITIES WITH THE
OWNER UNLESS OTHERWISE NOTED. ALL EXISTING UTILITIES AND
ASSOCIATED PIPING, ETC. NOT IN USE ON THE SITE SHALL BE
PROPERLY ABANDONED AND REMOVED AS REQUIRED. COORDINATE
WITH THE OWNER.
7.THE CONTRACTOR IS RESPONSIBLE FOR THE PROTECTION OF ANY
EXISTING UTILITIES THAT REMAIN IN SERVICE DURING DEMOLITION.
8.THE CONTRACTOR IS RESPONSIBLE FOR STABILIZATION OF ALL
DISTURBED AREAS AND SLOPES ON AND OFF SITE IN ACCORDANCE
WITH THE EROSION CONTROL MEASURES SPECIFIED ON THE PLANS
AND IN THE SPECIFICATIONS. THE CONTRACTOR SHALL COORDINATE
WITH THE OWNER TO DETERMINE WHO IS RESPONSIBLE FOR
PROVIDING THE PERMANENT STABILIZATION MEASURES AND THE TYPE
OF PERMANENT MEASURES PRIOR TO BEGINNING DEMOLITION AND
CONSTRUCTION. THE PERMANENT STABILIZATION MEASURES SHALL
BE IN PLACE AND ACCEPTABLE TO THE OWNER'S REPRESENTATIVE
AND ENGINEER PRIOR TO PROJECT CLOSEOUT. COORDINATE
INSPECTION WITH THE OWNER AND ENGINEER PRIOR TO PROJECT
CLOSEOUT.
9.THE CONTRACTOR IS RESPONSIBLE FOR COORDINATING AND
CONTACTING THE ENGINEER FOR THE REQUIRED INSPECTIONS ON THE
PROJECT.
10.WETLANDS EXIST ON SITE. WETLANDS WILL NOT BE DISTURBED DURING
CONSTRUCTION OF THIS PROJECT.
9/29/25
OH
E
OH
E
OH
E
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OHE
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OHE
OHE
OHE
OHE
OHE
OH
E
OH
E
OH
E
OH
E
OH
E
OH
E
N/F
BGCS PROPERTY ASSOCIATION, LLC
PID R03200-002-001-001
DEED BOOK 5766 PAGE 1717
MAP BOOK 33 PAGE 362
LUC: 730-OFFICE AND PROFESSIONAL
COMMERCIAL
ZONING: I-2
F
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GW
2717516.04LP
GW
GW
E
T
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N/F
ORD, LLC
PID R03200-002-0035-000
DEED BOOK 6736 PAGE 1717
MAP BOOK 33 PAGE 2160
LUC: 899-OTHER SERVICES
COMMERCIAL
ZONING: I-2
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ENGINEER
PROJECT OWNER
STAMP
CHECKED BY
PRINCIPAL IN CHARGE
REVISIONS
ISSUE FOR
ISSUE DATE
PROJECT ADDRESS
PROJECT NUMBER
SHEET TITLE
SHEET NUMBER
www.rivervieweng.com
4904 PARK AVENUE
WILMINGTON, NC 28403
(910) 398-2882
nlauretta@rivervieweng.com
DRAWN BY
CO
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SEDIMENT &
EROSION
CONTROL PLAN -
PHASE 1
CE101
DESIGN DEVELOPMENT
1026.02
3305 FREDRICKSON RD
WILMINGTON, NC 28401
REVIEW - NOT FOR CONSTRUCTION
SEPTEMBER 29, 2025
N. LAURETTA, PE, LEED AP
NJL
DA
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NJL/JAT
SEDIMENT & EROSION CONTROL PLAN - PHASE 11SCALE: 1" = 20'
SCALE: 1" = 20'
20'0 20'40'
GRAPHIC SCALE
NC GRID NAD 83/2011
DA-1
17,311 SF
0.40 AC
DA-2
15,049 SF
0.35 AC
DA-3
631 SF
0.01 AC
CONSTRUCTION SEQUENCE:
1.OBTAIN ALL NECESSARY STATE AND LOCAL PERMIT APPROVALS.
2.PRIOR TO CLEARING TREES, INSTALLING SEDIMENT CONTROL
MEASURES, OR GRADING, A PRECONSTRUCTION MEETING MUST BE
CONDUCTED ON-SITE WITH THE NEW HANOVER COUNTY EROSION
CONTROL INSPECTOR.
3.PRIOR TO ANY CLEARING AND GRUBBING, INSTALL SILT FENCE, TREE
PROTECTION FENCE AND GRAVEL CONSTRUCTION ENTRANCES.
4.COMMENCE CLEARING DOWN TO STUMPS WITHIN LIMITS OF
CONSTRUCTION.
5.CONVERT WET POND TO TEMPORARY SEDIMENT BASIN 1 PRIOR TO
GRUBBING, GRADDING, OR CONSTRUCTION.
6.INSTALL TEMPORARY SKIMMER BASIN 2.
7.TEMPORARY BASINS SHALL BE CONSTRUCTED PRIOR TO
CONSTRUCTION OF ANY DIVERSION DITCHES THAT CONVEY WATER TO
A BASIN. THE CONTRACTOR SHALL FIELD ADJUST TEMPORARY
DIVERSION DITCHES AS REQUIRED TO MAINTAIN THE DIVERSION TO
THE BASINS.
8.COMMENCE GRUBBING AND GRADING WITHIN LIMITS OF DISTURBANCE.
9.INSTALL SEWER AND WATER, AND STORMWATER MANAGEMENT
FACILITIES TO INCLUDE PIPING, CATCH BASINS AND DROP INLETS,
INSTALL STAGE TWO INLET PROTECTION AND OUTLET CONTROL AS
SHOWN ON PLANS.
10.REMOVE ACCUMULATED SEDIMENT FROM DITCHES AND SKIMMER
BASIN AS REQUIRED ON THE PLANS AND PERMIT.
11.COMPLETE ROADWAY, DRIVEWAY AND PARKING LOT CONSTRUCTION
TO SUBGRADE.
12.INSTALL GRAVEL BASE IN ROADWAYS AND PARKING LOTS.
13.INSTALL CONCRETE CURB AND GUTTER.
14.INSTALL BASE COURSE ASPHALT AND PERVIOUS PAVEMENT.
15.COMMENCE BUILDING CONSTRUCTION.
16.THE CONTRACTOR SHALL CONTINUOUSLY MAINTAIN EROSION
CONTROL MEASURES AND CLEAN TEMPORARY SEDIMENT TRAPS AND
BASINS TO MEET NEW HANOVER COUNTY APPROVAL.
17.SEED AND STABILIZE ALL AREAS PER EROSION CONTROL NOTES ON
SHEET CE501 - SEDIMENT AND EROSION CONTROL DETAILS.
18.REMOVE PHASE 1 EROSION AND SEDIMENT CONTROL MEASURES.
CONTACT NEW HANOVER COUNTY SEDIMENT AND EROSION CONTROL
INSPECTOR TO SCHEDULE REMOVAL OF PHASE 1 EROSION AND
SEDIMENT CONTROL MEASURES.
19.REMOVE TEMPORARY SEDIMENT BASIN 1. PUMP OUT BASIN USING
SEDIMENT BAG TO FILTER EFFLUENT, REMOVE BAFFLES, AND REMOVE
ACCUMULATED SEDIMENT FROM BOTTOM OF THE BASIN.
ACCUMULATED SEDIMENT SHALL BE DISPOSED OF OFF SITE IN STATE
LICENSED FACILITY.
20.REMOVE SKIMMER FROM TEMPORARY SEDIMENT BASIN 1 AND RETURN
OUTLET STRUCTURE TO ORIGINAL CONFIGURATION.
21.GRADE TEMPORARY SKIMMER BASIN 2 TO CONFORM WITH FINAL SCM
CONFIGURATION.
22.INSTALL LANDSCAPING AND FINAL GROUND STABILIZATION MEASURES.
23.UPON COMPLETION OF CONSTRUCTION, THE CONTRACTOR SHALL
REQUEST FINAL INSPECTION FROM THE NEW HANOVER COUNTY
EROSION CONTROL INSPECTOR TO ALLOW REMOVAL OF ALL
TEMPORARY EROSION CONTROL DEVICES.
NO.DA LENGTH AC/100 LF
(SF)(AC)(FT)
1 17,311 0.40 190 0.21
2 15,049 0.35 235 0.15
3 631 0.01 63 0.02
SILT FENCE TABLE:
SF
IP
DA
SF
SF
CE
SF
CD
CD
9/29/25
N/F
BGCS PROPERTY ASSOCIATION, LLC
PID R03200-002-001-001
DEED BOOK 5766 PAGE 1717
MAP BOOK 33 PAGE 362
LUC: 730-OFFICE AND PROFESSIONAL
COMMERCIAL
ZONING: I-2
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RC #200
N 195,757.63 GROUND
E 2,310,621.06 GROUND
EL. 15.99'
RC #201
NC GRID NAD83/2011
N 196,071.55 GRID
E 2,310,447.06 GRID
EL. 15.18'
27004
14.430
RBF 1/2"
0.6' A.G.
BENT, S.A.B.
ROW DISC
RBF 1/2"
0.2'A.G.
2723314.41GAS MKR
2723414.35
RBF 1/2"
0.4' B.G.
T
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PROPERTY LINES PER
DEED BOOK AND PAGE
INT
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N/F
CAROLINA POWER & LIGHT CO
PIN R03200-004-002-000
DEED BOOK 507 PAGE 66
LUC: 491-UTILITIES
ZONING: I-2
18" RCP
INV=12.32'
18" RCP
INV=12.52'
15" RCP
INV=12.54'
15" RCP
INV=12.56'
15" RCP
INV=13.03'
15" RCP
INV=13.11'
N/F
ORD, LLC
PID R03200-002-0035-000
DEED BOOK 6736 PAGE 1717
MAP BOOK 33 PAGE 2160
LUC: 899-OTHER SERVICES
COMMERCIAL
ZONING: I-2
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SITE DATA ENGINEER
PROJECT OWNER
STAMP
CHECKED BY
PRINCIPAL IN CHARGE
REVISIONS
ISSUE FOR
ISSUE DATE
PROJECT ADDRESS
PROJECT NUMBER
SHEET TITLE
SHEET NUMBER
www.rivervieweng.com
4904 PARK AVENUE
WILMINGTON, NC 28403
(910) 398-2882
nlauretta@rivervieweng.com
DRAWN BY
CO
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SITE PLAN
CS101
DESIGN DEVELOPMENT
1026.02
3305 FREDRICKSON RD
WILMINGTON, NC 28401
REVIEW - NOT FOR CONSTRUCTION
SEPTEMBER 29, 2025
N. LAURETTA, PE, LEED AP
NJL
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4
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3
NJL/JAT
SITE PLAN1SCALE: 1" = 20'
GENERAL NOTES
PROJECT NAME COVINGTON FLEX
PROJECT ADDRESS 3305 FREDERICKSON RD
NEW HANOVER COUNTY, NC
PARCEL ID - PARCEL A RO3200-002-035-000
TOTAL PROPERTY ACREAGE ±0.80 AC
APPLICANT/DEVELOPER DAE BUILDING, INC.
ENGINEER RIVERVIEW ENGINEERING, PLLC
NICHOLAS LAURETTA, PE, LEED AP
ZONING I-2
LAND USE 899 - OTHER SERVICES
CAMA LAND USE URBAN
FLOOD HAZARD ZONE X
RIVER BASIN CAPE FEAR
RECEIVING STREAM TOOMERS CREEK
CLASSIFICATION WS-IV
SETBACKS (SEE NOTE 5)REQUIRED PROVIDED
FRONT 50 50
SIDE STREET 0 0
SIDE INTERIOR 0 0
REAR 0 0
PROPOSED STRUCTURES
NUMBER OF BUILDINGS 1
BUILDING SQUARE FOOTAGE 9,600 SF
BY-RIGHT HEIGHT N/A
BUILDING HEIGHT TBD
CONSTRUCTION TYPE TBD
BUILDING LOT COVERAGE 33%
IMPERVIOUS COVERAGE
EXISTING 2,085 SF
PROPOSED 19,678 SF
PROPOSED OFFSITE 0 SF
DISTURBED AREA 0.88 ACRES
PARKING SUMMARY
INTENSITY REQUIRED PROVIDED
WAREHOUSING (1.5 PER 1000 SF)10,400 16 15
ADA COMPLIANT PARKING 1 1
FLOOD PLAIN NOTES
THE SITE IS NOT LOCATED IN A SPECIAL FLOOD HAZARD AREA AS
DETERMINED BY FEMA FLOOD PANEL 3720311900K, EFFECTIVE AUGUST
28, 2018.
STORMWATER NOTES
1.STORMWATER MANAGEMENT WILL BE DESIGNED IN ACCORDANCE
WITH STATE AND NEW HANOVER COUNTY STANDARDS.
2.FULL PERMIT APPROVALS WILL BE PROVIDED TO NEW HANOVER
COUNTY WHEN RECEIVED.
UTILITY NOTES
1.ALL WATER SERVICES WILL BE PROVIDED BY CFPUA.
2.ALL SEWER SERVICES WILL BE PROVIDED BY CFPUA.
3.HYDRANTS WILL BE PROVIDED PER NEW HANOVER COUNTY
EMERGENCY MANAGEMENT REQUIREMENTS.
ENVIRONMENTAL NOTES
1.NO KNOWN HISTORIC OR ARCHEOLOGICAL SITES EXIST ON THE
SUBJECT PARCEL.
2.NO JURISDICTIONAL WETLANDS AND STREAMS EXIST ONSITE.
SCALE: 1" = 20'
20'0 20'40'
GRAPHIC SCALE
NC GRID NAD 83/2011
20'x40'
50.0'
F
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SETB
A
C
K
20'x40'
20'x40'
20'x40'
20'x40'20'x40'20'x40'20'x40'20'x40'
20'x40'
9
37.5'
STRE
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ASPHALT
(11,055 SF)
20'x40'20'x40'
4
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4
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0
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9.0'
18
.
0
'
24
.
0
'
R3
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R20'
24
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'
70'X10' SIGHT DISTANCE
TRIANGLE (TYP.)
LANDSCAPE DATA
DISTURBED AREA ± 0.88 ACRES AC.
0.88 ACRES * 15 = 14 TREES (2" CAL.)
STREETYARD REQUIREMENTS 1 CANOPY TREE OR 3 UNDERSTORY TREES
AND 6 SHRUBS PER 600 SF
REQUIRED 25' WIDE X 259 LF = 6,475 SF
PROPOSED 5,864 SF
SHADING REQUIREMENTS 8%
REQUIRED 9,798 SF * 0.08 = 784 SF
PROVIDED 1,540 SF
TRANSITIONAL BUFFER N/A
FOUNDATION PLANTINGS 12% OF BUILDING FACE
240 LF * 15 FT * 0.12 = 432 SF PROVIDED: 480 SF
MITIGATION
DOCUMENTED TREES NO TREE REMOVAL
SIGNIFICANT TREES NO TREE REMOVAL
LANDSCAPE NOTES
1.PRIOR TO ANY CLEARING, GRADING OR CONSTRUCTION ACTIVITY,TREE
PROTECTION FENCING WILL BE INSTALLED AROUND PROTECTED TREES OR
GROVES OF TREES. NO CONSTRUCTION WORKERS, TOOLS, MATERIALS OR
VEHICLES ARE PERMITTED WITHIN THE TREE PROTECTION FENCING.
2.THE AREAS WITHIN THE TRIANGULAR SIGHT DISTANCE SHALL BE
MAINTAINED FREE OF ALL OBSTRUCTIONS BETWEEN 30" AND 10'.
3.A RAIN/FREEZE SENSOR SHALL BE USED IF THERE IS AN IRRIGATION
SENSOR.
4.ALL PLANT BEDS ARE TO RECEIVE 3-4" OF PINESTRAW OR MULCH.
5.LANDSCAPING SHALL BE COMPLETE BEFORE ISSUANCE OF A CO.
BOTANICAL / COMMON NAME CALIPER HEIGHT QTY REMARKS
KEY NO.CANOPY TREE
1 PRUNUS CAROLINIANA / CAROLINA CHERRYLAUREL 3"10' - 12'14 STREETYARD/SHADING
2 QUERCUS LAURIFOLIA / LAUREL OAK 3"10' - 12'14 DISTURBED AREA
BOTANICAL / COMMON NAME CALIPER HEIGHT QTY REMARKS
UNDERSTORY TREE
3 LAGERSTOREMIA INDICA / CREPE MYRTLE 2"8' - 10'2 PARKING LOT ISLAND
BOTANICAL / COMMON NAME HEIGHT SPREAD SPACING QTY REMARKS
SHRUBS
4 ILEX VOMITORIA NANA / DWARF YAUPON 24"24"4' O.C.33 STREETYARD
5 ILEX VOMITORIA / YAUPON HOLLY 3' O.C.33 STREETYARD
6 DISTYLIUM BLUE CASCADE 52 FOUNDATION
BOTANICAL / COMMON NAME QUANTITY REMARKS
GROUND COVER
CYNODON DACTYLON / BERMUDA GRASS
PLANT SCHEDULE
INFILTRATION
BASIN
1
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9/29/25
OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE OHE
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FREDRICKSON ROAD
70' PUBLIC RIGHT OF WAY
MAP BOOK 33 PAGE 362
S28°59'54"E (TIE)
358.92' (GRID & GROUND)
S28°59'54"E (TIE)
358.92' (GRID & GROUND)
N40°42'56"W (
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SD SD SD
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7
ST
A
1
1
+
6
3
.
7
5
EL
E
V
.
1
5
.
3
9
ST
A
1
0
+
3
3
.
1
1
ENGINEER
PROJECT OWNER
STAMP
CHECKED BY
PRINCIPAL IN CHARGE
REVISIONS
ISSUE FOR
ISSUE DATE
PROJECT ADDRESS
PROJECT NUMBER
SHEET TITLE
SHEET NUMBER
www.rivervieweng.com
4904 PARK AVENUE
WILMINGTON, NC 28403
(910) 398-2882
nlauretta@rivervieweng.com
DRAWN BY
CO
V
I
N
G
T
O
N
F
L
E
X
DRIVEWAY
GRADING PLAN
CS102
DESIGN DEVELOPMENT
1026.02
3305 FREDRICKSON RD
WILMINGTON, NC 28401
REVIEW - NOT FOR CONSTRUCTION
SEPTEMBER 29, 2025
N. LAURETTA, PE, LEED AP
NJL
DA
E
B
U
I
L
D
I
N
G
,
I
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.
71
1
K
E
R
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A
V
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N
U
E
WI
L
M
I
N
G
T
O
N
,
N
C
2
8
4
0
3
NJL/JAT
SCALE: 1" = 20'
20'0 20'40'
GRAPHIC SCALE
NC GRID NAD 83/2011
DRIVEWAY GRADING PLAN1SCALE: 1" = 20'
NCDOT STANDARD DRAWINGS PART OF THIS SET
BY REFERENCE
NCDOT DETAIL DWG NO.
WORK ZONE ADVANCE WARNING SIGNS 1101.01
TEMPORARY LANE CLOSURES 1101.02
TRAFFIC CONTROL DESIGN TABLES 1101.11
PORTABLE WORK ZONE SIGNS 1110.02
PAVEMENT MARKINGS - LINE TYPES AND OFFSETS 1205.01
TEMPORARY SILT FENCE 1605.01
MATTING INSTALLATION 1631.01
COIR FIBER BAFFLE 1640.01
NCDOT NOTES
1.CONTRACTOR SHALL BE RESPONSIBLE FOR UTILIZING ALL APPLICABLE
AND CURRENT NCDOT STANDARD DRAWINGS INCLUDING, BUT NOT
LIMITED TO, THE DRAWINGS INCLUDED OR REFERENCED WITHIN THESE
PLANS AND THE APPROVED PERMIT PACKAGE.
2.UPON SUBSTANTIAL PROJECT COMPLETION, CONTRACTOR TO CLEAR
EXISTING CULVERTS/PIPES, CATCH BASINS, AND DITCHES ALONG
FRONTAGE AND DOWNSTREAM AS NECESSARY TO ACHIEVE POSITIVE
DRAINAGE.
3.ALL PROPOSED OR RELOCATED SIGNAGE SHALL BE PLACED OR
REPLACED IN ACCORDANCE WITH NCDOT APPROVED BREAKAWAY SIGN
SUPPORTS AS DETAILED IN DIVISION 12 IN THE NCDOT STANDARD
DRAWINGS.
4.CONTRACTOR TO SAWCUT EXISTING ASPHALT FOR SMOOTH JOINT NOT
ALIGNED WITH WHEEL PATH.
FREDRICKSON ROAD PROFILE2SCALE: HOR 1" = 20' VER 1" = 2'
DRIVEWAY PROFILE3SCALE: HOR 1" = 20' VER 1" = 2'
2" SF9.5C SUPERPAVE HOT MIX ASPHALT SURFACE COURSE (NCDOT SPECIFICATION)
8" AGGREGATE BASE COURSE (NCDOT SPECIFICATION)
1
2
DRIVEWAY SECTION
SCALE: NOT TO SCALE4
24.0' ASPHALT
1
2
℄
3' PLAZA
1.0% MIN.
2.0% MAX.
FIL
L
S
L
O
P
E
(M
A
X
.
2
:
1
)
CUT S
L
O
P
E
(MAX
.
1
.
5
:
1
)
FILL S
L
O
P
E
(MAX
.
2
:
1
)
CU
T
S
L
O
P
E
(M
A
X
.
1
.
5
:
1
)
-0.02 FT/FT-0.02 FT/FT
EDGE OF PAVEMENT
3' PLAZA
1.0% MIN.
2.0% MAX.
8" AGGREGATE BASE COURSE
(NCDOT SPECIFICATION)
NCDOT DRIVEWAY PAVEMENT SECTION
SCALE: NOT TO SCALE
2" SF9.5C SUPERPAVE HOT MIX
ASPHALT SURFACE COURSE
(NCDOT SPECIFICATION)
5
12" COMPACTED SUBGRADE
(98% OF MAXIMUM DRY DENSITY ASTM D-698)
70'X10' SIGHT DISTANCE
TRIANGLE (TYP.)
22
.
9
'
34
.
6
'
75.7'
R
3
0
'
63
.
1
'
69
.
9
'
35
.
3
'
END OF
PAVEMENT
EXISTING
DRIVEWAY EXISTING
DRIVEWAY
SUTTON STEAM
PLANT ROAD
EXISTING
DRIVEWAY
EXISTING DRIVEWAY
TO BE WIDENED
24.0'
350.0'
LIMITS OF SIGHT
DISTANCE
M.P.H.
35
POSTED SPEED LIMIT
350.0'
3.
5
'
9/29/25
OH
E
OH
E
OH
E
OH
E
OH
E
OH
E
OH
E
OH
E
OH
E
OH
E
OH
E
OH
E
OH
E
O
H
E
OH
E
OH
E
OH
E
OH
E
OH
E
OH
E
OH
E
OH
E
OH
E
OH
E
OHE
OHE
OHE
OHE
OHE
OH
E
O
H
E
OHE
OHE
OHE
OHE
OHE
OHE
OHE
OHE
OH
E
OH
E
OH
E
OH
E
OH
E
OH
E
N/F
BGCS PROPERTY ASSOCIATION, LLC
PID R03200-002-001-001
DEED BOOK 5766 PAGE 1717
MAP BOOK 33 PAGE 362
LUC: 730-OFFICE AND PROFESSIONAL
COMMERCIAL
ZONING: I-2
F
R
E
D
R
I
C
K
S
O
N
R
O
A
D
7
0
'
P
U
B
L
I
C
R
I
G
H
T
O
F
W
A
Y
M
A
P
B
O
O
K
3
3
P
A
G
E
3
6
2
S
2
8
°
5
9
'
5
4
"
E
(
T
I
E
)
3
5
8
.
9
2
'
(
G
R
I
D
&
G
R
O
U
N
D
)
S
2
8
°
5
9
'
5
4
"
E
(
T
I
E
)
3
5
8
.
9
2
'
(
G
R
I
D
&
G
R
O
U
N
D
)
N
4
0
°
4
2
'
5
6
"
W
(
T
I
E
)
8
2
.
1
0
'
(
G
R
O
U
N
D
)
SD
SD
SD
SD
SD
SD
SD
RC #201
NC GRID NAD83/2011
N 196,071.55 GRID
E 2,310,447.06 GRID
EL. 15.18'
27004
14.430
RBF 1/2"
0.6' A.G.
BENT, S.A.B.
ROW DISC
RBF 1/2"
0.2'A.G.
2723314.41GAS MKR
2723414.35
RBF 1/2"
0.4' B.G.
GWGW
GW
GW
GW
2717516.04LP
GW
GW
E
T
T
PROPERTY LINES PER
DEED BOOK AND PAGE
INT
E
R
S
T
A
T
E
I
4
0
N/F
CAROLINA POWER & LIGHT CO
PIN R03200-004-002-000
DEED BOOK 507 PAGE 66
LUC: 491-UTILITIES
ZONING: I-2
18" RCP
INV=12.32'
18" RCP
INV=12.52'
15" RCP
INV=12.54'
15" RCP
INV=12.56'
N/F
ORD, LLC
PID R03200-002-0035-000
DEED BOOK 6736 PAGE 1717
MAP BOOK 33 PAGE 2160
LUC: 899-OTHER SERVICES
COMMERCIAL
ZONING: I-2
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
PROP. O1
RIM: 14.75
INV OUT: 12.90
PROP. O2
RIM: 14.12
INV IN: 12.6070LF
O
F
1
5
"
R
C
P
@
0
.
4
3
%
1
7
16
15
1
4
13
1
2
1
2
1
3
1
4
1
5
16
17
18
17
1
6
.
5
15
.
5
1
5
.
5
1
5
.
5
15
17
15
16
17 16
T
R
E
N
C
H
D
R
A
I
N
19L
F
O
F
1
2
"
HD
P
E
@
2
.
4
5
%
PROP. YI
RIM: 15.79
INV IN: 14.37
INV OUT: 14.37
PROP. FES
RIM: 14.99
INV IN: 13.90
LOD
LO
D
L
O
D
L
O
D
LOD
LOD
LOD
LO
D
LO
D
LO
D
L
O
D
LO
D
LO
D
LO
D
L
O
D
LO
D
LO
D
LOD
LO
D
LO
D
LOD
LOD
L
O
D
L
O
D
LO
D
LO
D
L
O
D
LO
D
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD
LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD
L
O
D
L
O
D
LO
D
LO
D
LO
D
L
O
D
L
O
D
LO
D
LO
D
L
O
D
L
O
D
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LO
D
L
O
D
L
O
D
L
O
D
17
.
5
17.10
15.87
15.85
16.60
4
8
L
F
O
F
1
2
"
H
D
P
E
@
0
.
0
0
%
W
W
W
1
3
EL
E
V
A
T
I
O
N
EL
E
V
A
T
I
O
N
STATION
10
15
20
10
15
20
10+00 11+00 12+00
EL
E
V
A
T
I
O
N
EL
E
V
A
T
I
O
N
STATION
10
15
20
10
15
20
10+00 11+00
3
1
TEMPORARY POOL: 14.5
EXISTING GRADE
PROPOSED GRADE
3
1
3
1
3
1
EXISTING GRADE
PROPOSED GRADE
EXISTING SUBGRADE
EXISTING SUBGRADE
SHWT: 10.0
SHWT: 10.0
BOTTOM: 12.0
48LF OF 12" HDPE @ 0.00%
ENGINEER
PROJECT OWNER
STAMP
CHECKED BY
PRINCIPAL IN CHARGE
REVISIONS
ISSUE FOR
ISSUE DATE
PROJECT ADDRESS
PROJECT NUMBER
SHEET TITLE
SHEET NUMBER
www.rivervieweng.com
4904 PARK AVENUE
WILMINGTON, NC 28403
(910) 398-2882
nlauretta@rivervieweng.com
DRAWN BY
CO
V
I
N
G
T
O
N
F
L
E
X
STORM DRAINAGE
AND GRADING
PLAN
CG101
DESIGN DEVELOPMENT
1026.02
3305 FREDRICKSON RD
WILMINGTON, NC 28401
REVIEW - NOT FOR CONSTRUCTION
SEPTEMBER 29, 2025
N. LAURETTA, PE, LEED AP
NJL
DA
E
B
U
I
L
D
I
N
G
,
I
N
C
.
71
1
K
E
R
R
A
V
E
N
U
E
WI
L
M
I
N
G
T
O
N
,
N
C
2
8
4
0
3
NJL/JAT
SCALE: 1" = 20'
20'0 20'40'
GRAPHIC SCALE
NC GRID NAD 83/2011
STORM DRAINAGE AND GRADING PLAN1SCALE: 1" = 20'
EXCAVATION, GRADING, AND BACKFILLING NOTES
1.ANY UNDERCUTTING IN GOOD SOIL SHALL BE REPLACED AND THE
REPLACEMENT MATERIAL SHALL BE COMPACTED TO NINETY-FIVE (95)
PERCENT OF MAXIMUM DENSITY OBTAINED AT OPTIMUM MOISTURE
CONTENT, AS DETERMINED BY THE ASTM D 698 STANDARD PROCTOR TEST
METHOD. IN THE EVENT THAT MATERIAL ENCOUNTERED AT PIPE GRADE,
SUBGRADE OF PARKING OR ROADWAYS AND SUBGRADE OF BUILDING
FOUNDATIONS IS FOUND TO BE SOFT, SPONGY, OR IN ANY OTHER WAY
UNSUITABLE, THE CONTRACTOR SHALL NOTIFY THE GEOTECHNICAL
ENGINEER IMMEDIATELY. SUCH UNSUITABLE MATERIAL SHALL BE REMOVED
TO A DEPTH AS SPECIFIED BY THE GEOTECHNICAL ENGINEER AND
REPLACED WITH A MINIMUM OF SIX (6) INCHES OF STONE, OR AS DIRECTED
BY THE GEOTECHNICAL ENGINEER.
2.BEFORE BACKFILLING IS COMMENCED OVER PIPES AND OTHER
INSTALLATIONS, EARTH FILL SHALL BE SOLIDLY TAMPED AROUND AND
ABOVE THE PIPE TO A DEPTH OF ONE (1) FOOT ABOVE THE TOP OF THE PIPE.
CARE SHALL BE TAKEN TO PREVENT ANY DISTURBANCE TO THE PIPE OR
DAMAGE TO NEWLY MADE JOINTS. THE FILLING OF THE TRENCH SHALL BE
CARRIED OUT SIMULTANEOUSLY ON BOTH SIDES OF THE PIPES IN SUCH A
MANNER THAT INJURIOUS SIDE PRESSURES DO NOT OCCUR.
3.THE MATERIAL FOR BACKFILLING SHALL BE FREE FROM ALL PERISHABLE
AND OBJECTIONABLE MATERIALS. BEFORE PLACING ANY BACKFILL, ALL
RUBBISH, FORM, BLOCKS, WIRES OR OTHER UNSUITABLE MATERIAL SHALL
BE REMOVED FROM EXCAVATION. THE BACK-FILLING OVER PIPES SHALL BE
PLACED IN LAYERS NOT OVER SIX (6) INCHES THICK AND COMPACTED TO A
MINIMUM DENSITY OF NINETY-FIVE (95) PERCENT OF THE MAXIMUM DRY
DENSITY AS DETERMINED BY THE MODIFIED PROCTOR COMPACTION TEST
TO A DEPTH OF 12 INCHES BELOW FINISHED GRADE. THE LAST 12 INCHES OF
BACKFILL SHALL BE PLACED IN LAYERS NOT OVER SIX (6) INCHES THICK AND
COMPACTED TO A MINIMUM DENSITY OF NINETY-EIGHT (98) PERCENT OF THE
MAXIMUM DRY DENSITY AS DETERMINED BY THE MODIFIED PROCTOR
COMPACTION TEST.
STORM DRAINAGE AND GRADING NOTES
1.IN ACCORDANCE WITH NC GENERAL STATUTES, NPDES REGULATIONS, AND
NCDENR REQUIREMENTS, STORMWATER DISCHARGE OUTFALLS SHALL BE
INSPECTED BY THE CONTRACTOR. INSPECTIONS SHALL BE PERFORMED BY
THE CONTRACTOR AFTER EACH STORM EVENT OF 1/2 INCH OR GREATER,
WITH ONE WEEKLY INSPECTION MINIMUM. NCDENR STANDARD INSPECTION
REPORTS SHALL BE PREPARED AND SIGNED WITH COPIES PROVIDED TO THE
OWNER, ARCHITECT, AND ENGINEER, BY THE CONTRACTOR.
2.INLET PROTECTION SHALL BE INSTALLED AROUND OUTFALL. DEVICES SHALL
BE CONSTRUCTED TO FINAL PROPOSED CONDITION UPON STABILIZATION OF
CONTRIBUTING GROUND SURFACES AND REMOVAL OF SEDIMENT FROM
STORM PIPES.
3.ALL DIMENSIONS AND GRADES SHOWN ON THE PLANS SHALL BE FIELD
VERIFIED BY THE CONTRACTOR PRIOR TO CONSTRUCTION. CONTRACTOR
SHALL NOTIFY CONSTRUCTION MANAGER IF ANY DISCREPANCIES EXIST
PRIOR TO PROCEEDING WITH CONSTRUCTION FOR NECESSARY PLAN OR
GRADE CHANGES. NO EXTRA COMPENSATION SHALL BE PAID TO
CONTRACTOR FOR ANY WORK DONE DUE TO DIMENSIONS OR GRADES
SHOWN INCORRECTLY ON THESE PLANS IF SUCH NOTIFICATION HAS NOT
BEEN GIVEN.
4.UNLESS OTHERWISE NOTED, GRADES AND SPOT ELEVATIONS NOTED ON
PLANS INDICATE FINISHED GRADE OR PAVEMENT SURFACE. ALL
DIMENSIONS ARE MEASURED TO THE BACK OF CURB UNLESS OTHERWISE
INDICATED.
PROPOSED
INFILTRATION BASIN
FFE: 17.10
FFE
:
1
7
.
1
0
ALL ROOF LEADERS TO
DRAIN TO ASPHALT
EXISTING - DRAINAGE AREA
LU AREA (AC)MU HSG*CN CN*AREA
OPEN SPACE 0.8 Kr A 39 31
0.80 AC
CN 39
Tc (MIN.)5
ROUTING SUMMARY
POA 2-YEAR
PRE POST ROUTED Δ (%)
O1 0.02 1.85 0.00 0
10-YEAR
PRE POST ROUTED Δ (%)
O1 0.43 3.89 0.00 0
25-YEAR
PRE POST ROUTED Δ (%)
O1 1.21 5.43 1.18 98
PROPOSED- DRAINAGE AREA
LU AREA (AC)MU HSG*CN CN*AREA
IMPERVIOUS 0.45 Kr A 98 44
OPEN SPACE 0.35 Kr A 39 14
0.80 AC
CN 72
Tc (MIN.)5
SCM DETAILS2SCALE: HOR. 1" = 30' VER. 1" = 3'
OUTFALL STRUCTURE
SCALE: NOT TO SCALE3
4'-0"6"6"
ANTI-FLOATATION
5'-0"
6"
4'-0"6"6"
ANTI-FLOATATION
5'-0"
6"
TRASH RACK
TRASH RACK
75 LF OF Ø15" RCP
INV. UP: 13.40' MSL
INV. DN: 13.00' MSL
EL. 15.15' MSL
15" RCP
OUTLET
PIPE
WATER SURFACE EL.
RETURN
EVENT
ELEVATION
(FT)
2-YEAR 13.55
10-YEAR 14.75
25-YEAR 15.23
50-YEAR 15.31
SCM NOTES
1.TEMPORARY PUMP WILL BE
PROVIDED TO DRAIN SCM FOR
ROUTINE MAINTENANCE OR IN
AN EMERGENCY
2.THE DAM STRUCTURE,
INCLUDING FRONT AND BACK
EMBANKMENT SLOPES, OF THE
POND SHALL BE VEGETATED
WITH NON-CLUMPING TURF
GRASS; TREES AND WOODY
SHRUBS ARE NOT BE ALLOWED
WATER AND SEWER DEMAND
GENERAL BUSINESS 25 GAL/EMPLOYEE/SHIFT
24 EMPLOYEES / 1 SHIFT DEMAND
SEWER DEMAND 600 GPD (SEPTIC SYSTEM)
WATER DEMAND 600 GPD (CFPUA)
GUY WIRE TO REMAIN AND
PROTECTED DURING
CONSTRUCTION
GUY WIRE TO REMAIN AND
PROTECTED DURING
CONSTRUCTION
POWER POLE REMAIN
AND PROTECTED
DURING CONSTRUCTION
FIRE HYDRANT TO REMAIN
AND PROTECTED DURING
CONSTRUCTION
EXISTING TAP AND
VALVE TO BE USED
FOR WATER SERVICE
REPLACE EXISTING
METER BOX AND
SETTER WITH 1-1/2"
MASTER METER
INSTALL 1-1/2" RZP
2" HDPE SDR9
WATER MAIN
2"X1" HDPE TEE
1" HDPE SDR9 SERVICE
1" QUARTER TURN VALVE
IN VALVE BOX (TYP. OF 12)
2"X2" HDPE TEE2" PERMANENT
BLOWOFF
2" PERMANENT
BLOWOFF
2" HDPE SDR9
WATER MAIN
OP
9/29/25
ENGINEER
PROJECT OWNER
STAMP
CHECKED BY
PRINCIPAL IN CHARGE
REVISIONS
ISSUE FOR
ISSUE DATE
PROJECT ADDRESS
PROJECT NUMBER
SHEET TITLE
SHEET NUMBER
www.rivervieweng.com
4904 PARK AVENUE
WILMINGTON, NC 28403
(910) 398-2882
nlauretta@rivervieweng.com
DRAWN BY
CO
V
I
N
G
T
O
N
F
L
E
X
SEDIMENT &
EROSION
CONTROL DETAILS
CE501
DESIGN DEVELOPMENT
1026.02
3305 FREDRICKSON RD
WILMINGTON, NC 28401
REVIEW - NOT FOR CONSTRUCTION
SEPTEMBER 29, 2025
N. LAURETTA, PE, LEED AP
NJL
DA
E
B
U
I
L
D
I
N
G
,
I
N
C
.
71
1
K
E
R
R
A
V
E
N
U
E
WI
L
M
I
N
G
T
O
N
,
N
C
2
8
4
0
3
NJL/JAT
NCG01 GROUND STABILIZATION AND MATERIALS HANDLING EFFECTIVE: 04/01/19
GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITHTHE NCG01 CONSTRUCTION GENERAL PERMIT
Implementing the details and specifications on this plan sheet will result in the construction
activity being considered compliant with the Ground Stabilization and Materials Handling
sections of the NCG01 Construction General Permit (Sections E and F, respectively). Thepermittee shall comply with the Erosion and Sediment Control plan approved by the
delegated authority having jurisdiction. All details and specifications shown on this sheet
may not apply depending on site conditions and the delegated authority having jurisdiction.
GROUND STABILIZATION SPECIFICATION
Stabilize the ground sufficiently so that rain will not dislodge the soil. Use one of the
techniques in the table below:
POLYACRYLAMIDES (PAMS) AND FLOCCULANTS
1.Select flocculants that are appropriate for the soils being exposed during
construction, selecting from the NC DWR List of Approved PAMS/Flocculants.
2.Apply flocculants at or before the inlets to Erosion and Sediment Control Measures.
3.Apply flocculants at the concentrations specified in the NC DWR List of Approved
PAMS/Flocculants and in accordance with the manufacturer's instructions.
4.Provide ponding area for containment of treated Stormwater before dischargingoffsite.
5.Store flocculants in leak-proof containers that are kept under storm-resistant cover
or surrounded by secondary containment structures.
HAZARDOUS AND TOXIC WASTE
1.Create designated hazardous waste collection areas on-site.
2.Place hazardous waste containers under cover or in secondary containment.
3.Do not store hazardous chemicals, drums or bagged materials directly on the ground.
EQUIPMENT AND VEHICLE MAINTENANCE
1.Maintain vehicles and equipment to prevent discharge of fluids.
2.Provide drip pans under any stored equipment.
3.Identify leaks and repair as soon as feasible, or remove leaking equipment from theproject.
4.Collect all spent fluids, store in separate containers and properly dispose as
hazardous waste (recycle when possible).
5.Remove leaking vehicles and construction equipment from service until the problem
has been corrected.
6.Bring used fuels, lubricants, coolants, hydraulic fluids and other petroleum products
to a recycling or disposal center that handles these materials.
LITTER, BUILDING MATERIAL AND LAND CLEARING WASTE
1.Never bury or burn waste. Place litter and debris in approved waste containers.
2.Provide a sufficient number and size of waste containers (e.g dumpster, trash
receptacle) on site to contain construction and domestic wastes.
3.Locate waste containers at least 50 feet away from storm drain inlets and surface
waters unless no other alternatives are reasonably available.
4.Locate waste containers on areas that do not receive substantial amounts of runoff
from upland areas and does not drain directly to a storm drain, stream or wetland.
5.Cover waste containers at the end of each workday and before storm events orprovide secondary containment. Repair or replace damaged waste containers.
6.Anchor all lightweight items in waste containers during times of high winds.
7.Empty waste containers as needed to prevent overflow. Clean up immediately if
containers overflow.
8.Dispose waste off-site at an approved disposal facility.
9.On business days, clean up and dispose of waste in designated waste containers.
PAINT AND OTHER LIQUID WASTE
1.Do not dump paint and other liquid waste into storm drains, streams or wetlands.
2.Locate paint washouts at least 50 feet away from storm drain inlets and surface
waters unless no other alternatives are reasonably available.
3.Contain liquid wastes in a controlled area.
4.Containment must be labeled, sized and placed appropriately for the needs of site.
5.Prevent the discharge of soaps, solvents, detergents and other liquid wastes fromconstruction sites.
PORTABLE TOILETS
1.Install portable toilets on level ground, at least 50 feet away from storm drains,
streams or wetlands unless there is no alternative reasonably available. If 50 foot
offset is not attainable, provide relocation of portable toilet behind silt fence or place
on a gravel pad and surround with sand bags.
2.Provide staking or anchoring of portable toilets during periods of high winds or in high
foot traffic areas.
3.Monitor portable toilets for leaking and properly dispose of any leaked material.Utilize a licensed sanitary waste hauler to remove leaking portable toilets and replace
with properly operating unit.HERBICIDES, PESTICIDES AND RODENTICIDES
1.Store and apply herbicides, pesticides and rodenticides in accordance with labelrestrictions.
2.Store herbicides, pesticides and rodenticides in their original containers with the
label, which lists directions for use, ingredients and first aid steps in case ofaccidental poisoning.
3.Do not store herbicides, pesticides and rodenticides in areas where flooding is
possible or where they may spill or leak into wells, stormwater drains, ground water
or surface water. If a spill occurs, clean area immediately.
4.Do not stockpile these materials onsite.
CONCRETE WASHOUTS
1.Do not discharge concrete or cement slurry from the site.
2.Dispose of, or recycle settled, hardened concrete residue in accordance with local
and state solid waste regulations and at an approved facility.
3.Manage washout from mortar mixers in accordance with the above item and in
addition place the mixer and associated materials on impervious barrier and within
lot perimeter silt fence.
4.Install temporary concrete washouts per local requirements, where applicable. If an
alternate method or product is to be used, contact your approval authority forreview and approval. If local standard details are not available, use one of the two
types of temporary concrete washouts provided on this detail.
5.Do not use concrete washouts for dewatering or storing defective curb or sidewalk
sections. Stormwater accumulated within the washout may not be pumped into or
discharged to the storm drain system or receiving surface waters. Liquid waste must
be pumped out and removed from project.
6.Locate washouts at least 50 feet from storm drain inlets and surface waters unless it
can be shown that no other alternatives are reasonably available. At a minimum,
install protection of storm drain inlet(s) closest to the washout which could receive
spills or overflow.
7.Locate washouts in an easily accessible area, on level ground and install a stone
entrance pad in front of the washout. Additional controls may be required by theapproving authority.
8.Install at least one sign directing concrete trucks to the washout within the project
limits. Post signage on the washout itself to identify this location.
9.Remove leavings from the washout when at approximately 75% capacity to limit
overflow events. Replace the tarp, sand bags or other temporary structural
components when no longer functional. When utilizing alternative or proprietary
products, follow manufacturer's instructions.
10.At the completion of the concrete work, remove remaining leavings and dispose of
in an approved disposal facility. Fill pit, if applicable, and stabilize any disturbance
caused by removal of washout.
EARTHEN STOCKPILE MANAGEMENT
1.Show stockpile locations on plans. Locate earthen-material stockpile areas at least
50 feet away from storm drain inlets, sediment basins, perimeter sediment controls
and surface waters unless it can be shown no other alternatives are reasonablyavailable.
2.Protect stockpile with silt fence installed along toe of slope with a minimum offset of
five feet from the toe of stockpile.
3.Provide stable stone access point when feasible.
4.Stabilize stockpile within the timeframes provided on this sheet and in accordance
with the approved plan and any additional requirements. Soil stabilization is defined
as vegetative, physical or chemical coverage techniques that will restrain accelerated
erosion on disturbed soils for temporary or permanent control needs.
A
A
BELOW GRADE WASHOUT STRUCTURE
1:1SIDE SLOPE(TYP.)
10 MILPLASTICLINING
3'-
0
"
MIN
.
& X
'
MAX
.
SECTION A-A
NOT TO SCALE
ABOVE GRADE WASHOUT STRUCTURENOT TO SCALE
PLAN
SECTION B-B
HIGHCOHESIVE &LOW FILTRATIONSOIL BERM
8"
6"
2'
HIGHCOHESIVE &LOW FILTRATIONSOIL BERM1:1 SIDE SLOPE(TYP.)
10 MILPLASTIC LINING
B
B
3'-
0
"
MIN
.
& X
'
MA
X
.
A
SANDBAGS (TYP.)OR STAPLES
SANDBAGS (TYP.)OR STAPLES
SANDBAGS (TYP.)OR STAPLES
SANDBAGS (TYP.)OR STAPLES
NOTES:1. ACTUAL LOCATION DETERMINED IN FIELD
2. THE CONCRETE WASHOUT STRUCTURES SHALL BEMAINTAINED WHEN THE LIQUID AND/OR SOLID REACHES75% OF THE STRUCTURES CAPACITY.
3.CONCRETE WASHOUT STRUCTURE NEEDS TO BECLEARY MARKED WITH SIGNAGE NOTING DEVICE.
NOTES:1. ACTUAL LOCATION DETERMINED IN FIELD
2. THE CONCRETE WASHOUT STRUCTURESSHALL BE MAINTAINED WHEN THE LIQUIDAND/OR SOLID REACHES 75% OF THESTRUCTURES CAPACITY TO PROVIDEADEQUATE HOLDING CAPACITY WITH AMINIMUM 12 INCHES OF FREEBOARD.
3.CONCRETE WASHOUT STRUCTURE NEEDSTO BE CLEARY MARKED WITH SIGNAGENOTING DEVICE.
ONSITE CONCRETE WASHOUT
STRUCTURE WITH LINER
CONCRETEWASHOUT CONCRETEWASHOUT
PLAN
CLEARLY MARKED SIGNAGENOTING DEVICE (18"X24" MIN.)CLEARLY MARKED SIGNAGENOTING DEVICE (18"X24" MIN.)
SILT FENCE
10'MIN
10'MIN
SECTION E: GROUND STABILIZATION
Required Ground Stabilization Timeframes
Note: After the permanent cessation of construction activities, any areas with temporary
ground stabilization shall be converted to permanent ground stabilization as soon aspracticable but in no case longer than 90 calendar days after the last land disturbing
activity. Temporary ground stabilization shall be maintained in a manner to render the
surface stable against accelerated erosion until permanent ground stabilization is achieved.
Site Area Description Timeframe variations
-7 days for perimeter dikes, swales,
ditches, perimeter slopes and HQW Zones
-10 days for Falls Lake Watershed unless
there is zero slope
Stabilize within this
many calendar
days after ceasingland disturbance
7
7
7
14
None
None
(a)Perimeter dikes,
swales, ditches, and
perimeter slopes
(b)High Quality Water
(HQW) Zones
(c)Slopes steeper than
3:1
If slopes are 10' or less in length and are
not steeper than 2:1, 14 days are
allowed
(d)Slopes 3:1 to 4:1
(e)Areas with slopes
flatter than 4:1 14
-7 days for slopes greater than 50' in
length and with slopes steeper than 4:1
-7 days for perimeter dikes, swales,
ditches, perimeter slopes and HQWZones
-10 days for Falls Lake Watershed
NCG01 SELF-INSPECTION, RECORDKEEPING AND REPORTING EFFECTIVE: 04/01/19
PART III
SELF-INSPECTION, RECORDKEEPING AND REPORTING
SECTION A: SELF-INSPECTION
Self-inspections are required during normal business hours in accordance with the table
below. When adverse weather or site conditions would cause the safety of the inspection
personnel to be in jeopardy, the inspection may be delayed until the next business day on
which it is safe to perform the inspection. In addition, when a storm event of equal to orgreater than 1.0 inch occurs outside of normal business hours, the self-inspection shall be
performed upon the commencement of the next business day. Any time when inspections
were delayed shall be noted in the Inspection Record.
NOTE: The rain inspection resets the required 7 calendar day inspection requirement.
PART III
SELF-INSPECTION, RECORDKEEPING AND REPORTING
SECTION B: RECORDKEEPING
1.E&SC Plan Documentation
The approved E&SC plan as well as any approved deviation shall be kept on the site. The
approved E&SC plan must be kept up-to-date throughout the coverage under this permit.
The following items pertaining to the E&SC plan shall be kept on site and available for
inspection at all times during normal business hours.
2. Additional Documentation to be Kept on Site
In addition to the E&SC plan documents above, the following items shall be kept on the
site and available for inspectors at all times during normal business hours, unless the
Division provides a site-specific exemption based on unique site conditions that make
this requirement not practical:
(a)This General Permit as well as the Certificate of Coverage, after it is received.
(b)Records of inspections made during the previous twelve months. The permittee shall
record the required observations on the Inspection Record Form provided by the
Division or a similar inspection form that includes all the required elements. Use of
electronically-available records in lieu of the required paper copies will be allowed if
shown to provide equal access and utility as the hard-copy records.
PART III
SELF-INSPECTION, RECORDKEEPING AND REPORTING
SECTION C: REPORTING
1.Occurrences that Must be Reported
Permittees shall report the following occurrences:
(a)Visible sediment deposition in a stream or wetland.
(b)Oil spills if:
·They are 25 gallons or more,
·They are less than 25 gallons but cannot be cleaned up within 24 hours,
·They cause sheen on surface waters (regardless of volume), or
·They are within 100 feet of surface waters (regardless of volume).
(c) Releases of hazardous substances in excess of reportable quantities under Section 311
of the Clean Water Act (Ref: 40 CFR 110.3 and 40 CFR 117.3) or Section 102 of CERCLA
(Ref: 40 CFR 302.4) or G.S. 143-215.85.
(d)Anticipated bypasses and unanticipated bypasses.
(e)Noncompliance with the conditions of this permit that may endanger health or the
environment.
2.Reporting Timeframes and Other Requirements
After a permittee becomes aware of an occurrence that must be reported, he shall contact
the appropriate Division regional office within the timeframes and in accordance with the
other requirements listed below. Occurrences outside normal business hours may also be
reported to the Department's Environmental Emergency Center personnel at (800)
858-0368.
3. Documentation to be Retained for Three Years
All data used to complete the e-NOI and all inspection records shall be maintained for a period
of three years after project completion and made available upon request. [40 CFR 122.41]
PART II, SECTION G, ITEM (4)
DRAW DOWN OF SEDIMENT BASINS FOR MAINTENANCE OR CLOSE OUT
Sediment basins and traps that receive runoff from drainage areas of one acre or more shall use outlet structures that withdraw water from the surface when these devices need to be drawn down
for maintenance or close out unless this is infeasible. The circumstances in which it is not feasible to withdraw water from the surface shall be rare (for example, times with extended cold weather).Non-surface withdrawals from sediment basins shall be allowed only when all of the following criteria have been met:
(a)The E&SC plan authority has been provided with documentation of the non-surface withdrawal and the specific time periods or conditions in which it will occur. The non-surface withdrawal
shall not commence until the E&SC plan authority has approved these items,
(b)The non-surface withdrawal has been reported as an anticipated bypass in accordance with Part III, Section C, Item (2)(c) and (d) of this permit,
(c)Dewatering discharges are treated with controls to minimize discharges of pollutants from stormwater that is removed from the sediment basin. Examples of appropriate controls include
properly sited, designed and maintained dewatering tanks, weir tanks, and filtration systems,
(d)Vegetated, upland areas of the sites or a properly designed stone pad is used to the extent feasible at the outlet of the dewatering treatment devices described in Item (c) above,
(e)Velocity dissipation devices such as check dams, sediment traps, and riprap are provided at the discharge points of all dewatering devices, and
(f)Sediment removed from the dewatering treatment devices described in Item (c) above is disposed of in a manner that does not cause deposition of sediment into waters of the United States.
TEMPORARY SEEDING RECOMMENDATIONS
FOR LATE WINTER AND EARLY SPRING
TEMPORARY SEEDING RECOMMENDATIONS FOR SUMMER TEMPORARY SEEDING RECOMMENDATIONS FOR FALL
Seeding Mixture
Species
Rye (grain)
Annual lespedeza (Kobe in
Piedmont and Coastal Plain,
Korean in Mountains)
Rate (lb/acre)
120
50
Omit annual lespedeza when duration of temporary cover is not to
extend beyond June.
Seeding Dates
Mountains—Above 2500 feet: Feb. 15 - May 15
Below 2500 feet: Feb. 1- May 1
Piedmont—Jan. 1 - May 1
Coastal Plain—Dec. 1 - Apr. 15
Mulch
Apply 4,000 lb/acre straw. Anchor straw by tacking with asphalt, netting,
or a mulch anchoring tool. A disk with blades set nearly straight can be
used as a mulch anchoring tool.
Maintenance
Refertilize if growth is not fully adequate. Reseed, refertilize and mulch
immediately following erosion or other damage.
Seeding Mixture
Species
German millet
Rate (lb/acre)
40
Seeding Dates
Mountains — May 15 - Aug. 15
Piedmont — May 1 - Aug. 15
Coastal Plain — Apr. 15 - Aug. 15
Mulch
Maintenance
Seeding Mixture
Species
Rye (grain)
Seeding Dates
Mountains — Aug. 15 - Dec. 15
Coastal Plain and Piedmont — Aug. 15 - Dec. 31
Mulch
Maintenance
Repair and refertilize damaged areas immediately. Topdress with 50
lb/acre of nitrogen in March. If it is necessary to extend temporary
cover beyond June 15, overseed with 50 lb/acre Kobe (Piedmont and
Coastal Plain) or Korean (Mountains) lespedeza in late February or
early March.
Rate (lb/acre)
120
Apply 4,000 lb/acre straw. Anchor straw by tacking with asphalt,
netting, or a mulch anchoring tool. A disk with blades set nearly
straight can be used as a mulch anchoring tool.
Apply 4,000 lb/acre straw. Anchor straw by tacking with asphalt,
netting, or a mulch anchoring tool. A disk with blades set nearly
straight can be used as a mulch anchoring tool.
SEED BED PREPARATION:
LIMING- Apply lime according to soil test recommendations. If the pH (acidity) of the soil is not known, an application of ground agricultural limestone at the rate of 1-11
2
tons/acre on coarse-textured soils and 2-3 tons/acre on fine-textured soils is usually sufficient. Apply limestone uniformly and incorporate into the top 4-6 inches of soil.
Soils with a pH of 6 or higher need not be limed.
FERTILIZER- Base application rates on soil tests. When these are not possible, apply a 10-10-10 grade fertilizer at 700 - 1,000 lb/acre. Both fertilizer and lime should be
incorporated into the top 4-6 inches of soil. If a hydraulic seeder is used, do not mix seed and fertilizer more than 30 minutes before application.
SURFACE ROUGHENING- If recent tillage operations have resulted in a loose surface additional roughening may not be required, except to break up large clods. If rainfall
causes the surface to become sealed or crusted, loosen it just prior to seeding by raking, harrowing, or other suitable methods for fine grading. The finished grade shall
be a smooth even soil surface with a loosen uniformly fine texture. All ridges and depressions shall be removed and filled to provide the approved surface drainage.
Planting is to be done immediately after finished grades are obtained and seedbed preparation is completed.
Refertilize if growth is not fully adequate. Reseed, refertilize and mulch
immediately following erosion or other damage.
In the Piedmont and Mountains, a small-stemmed Sudangrass may be
substituted at a rate of 50 lb/acre.
DATE:PAGE:
NORTH CAROLINA
Department of Environmental Quality
Effective Date: 9/1/2023
In accordance with the 2013
Design Manual UpdatesTEMPORARY SEEDING
NOTES:
1.Permanent seeding, sodding or other means of stabilization are required when all construction work is completed according to the NPDES timeframes table.
2.A North Carolina Department of Agriculture soils test (or equal) is highly recommended to be obtained for all areas to be seeded, sprigged, sodded or planted.
3.Use a seeding mix that will produce fast0growing nurse crops and includes non-invasive species that will eventually provide a permanent groundcover. Soil blankets may be used in lieu of nurse crops.
Mat, tack or crimp mulch, as needed to stabilize seeded areas until root establishment. Mulch must cover at leaser 80% of the soil surface.
4.Ground cover shall be maintained until permanent vegetation is established and stable against accelerated erosion.
SEED BED PREPARATION:
LIMING- Apply lime according to soil test recommendations. If the pH (acidity) of the soil is not known, an application of ground agricultural limestone at the rate of 1 to 1 12 tons/acre on coarse0textured soils
and 2-3 tons/acre on fine-textured soils is usually sufficient. Apply limestone uniformly and incorporate into the top 4-6 inches of soil. Soils with a pH of 6 or higher need not be limed.
FERTILIZER- Base application rates on soil tests. When these are not possible, apply a 10-10-10 grade fertilizer at 700-1,000 lb/acre. Both fertilizer and lime should be incorporated into the top 4-6 inches of
soil. If a hydraulic seeder is used, do not mix seed and fertilizer more than 30 minutes before application.
SURFACE ROUGHENING- If recent tillage operations have resulted in a loose surface additional roughening may not be required, except to break up large clods. If rainfall causes the surface to become
sealed or crusted, loosen it just prior to seeding by raking, harrowing, or other suitable methods for fine grading. the finished grade shall be a smooth even soil surface with a loosen uniformly fine texture.
all ridges and depressions shall be removed and filled to provide the approved surface drainage . Planting is to be done immediately after finished grades are obtained and seedbed preparation is
completed.
SEEDING MIXTURE
Species Rate
Centipede 5 lbs/acre
Indian Woodoats 1.5-2.5 lbs/acre*
Virginia Wild Rye 4-6 lbs/acre
*Depending upon mix with other species. See table 6.11.d
from Chapter 6 of the NC Erosion and Sediment Control
Planning and Design Manual.
Seeding Dates
Coastal or Eastern Piedmont for Centipede- Sept. 1 - May 1
Coastal and Piedmont for Indian Woodoats and Virginia
Wild Rye- Feb 15 - April 1
Mountains for Indian Woodoats and Virginia Wild Rye-
March 1 - May 15
Maintenance:
Significant maintenance may be required to obtain desired
cover.
SEEDING MIXTURE
Species Rate
Indian Woodoats 1.5-2.5 lbs/acre*
Virginia Wild Rye 4-6 lbs/acre*
*Depending upon mix with other species.
See table 6.11.d from Chapter 6 of the NC
Erosion and Sediment Control Planning
and Design Manual.
Seeding Dates
Mountains - July 15- Aug 15
Piedmont - Aug 15 - Oct 15
Maintenance:
Indian Woodoats and Virginia Wild Rye
are both sun and shade tolerant.
SEEDING MIXTURE
Species Rate
Hard Fescue 15 lbs/acre
Switchgrass 2.5-3.5 lbs/acre*
Indian Grass 5-7 lbs/acre*
Big Bluestem 5-7 lbs/acre*
Indian Woodoats 1.5-2.5 lbs/acre*
Virginia Wild Rye 4-6 lbs/acre*
*Depending upon mix with other species. See table 6.11.d from
Chapter 6 of the NC Erosion and Sediment Control Planning and
Design Manual.
Seeding Dates
Mountains - Hard Fescue- Aug 1 - June 1
Mountains- Switchgrass, Indian Grass, Big Bluestem- Dec 1 - April 15
Piedmont and Coastal- Switchgrass, Indian Grass, Big Bluestem-
Dec 1 - April 1
Coastal- Indian Woodoats and Virginia Wild Rye- Sept 1 - Nov 1
Maintenance:
Hard Fescue is not recommended for slopes > 5%. Prefers shade.
NON-INVASIVE PERMANENT SEEDING RECOMMENDATIONS
FOR LATE WINTER AND EARLY SPRING NON-INVASIVE PERMANENT SEEDING
RECOMMENDATIONS FOR SUMMER
NON-INVASIVE PERMANENT SEEDING
RECOMMENDATIONS FOR FALL
DATE:PAGE:
NORTH CAROLINA
Department of Environmental Quality
Effective Date: 9/1/2023
In accordance with the 2013
Design Manual UpdatesPERMANENT SEEDING
CONSIDERATIONS FOR CONSTRUCTION SCHEDULING
CONSTRUCTION ACTIVITY SCHEDULE CONSIDERATION
CONSTRUCTION ACCESS: Construction entrance, construction
routes, equipment parking areas.
First land-disturbing activity- Stabilize bare areas immediately with gravel and temporary
vegetation as construction takes place.
SEDIMENT TRAPS AND BARRIERS: Basin traps, sediment fences,
and outlet protection.
Install principal basins after construction site is accessed. Install additional traps and barriers
as needed during grading.
RUNOFF CONTROL: Diversions, perimeter dikes, water bars, and
outlet protection.
Install key practices after principal sediment traps and before land grading. Install additional
runoff-control measures during grading.
RUNOFF CONVEYANCE SYSTEM: Stabilize streambanks, storm
drains, channels, inlet and outlet protection, and slope drains.
Where necessary, stabilize streambanks as early as possible. Install principal runoff
conveyance system with runoff-control measures. Install remainder of system after grading.
LANDING CLEARING AND GRADING: Site preparation- cutting, filling
and grading, sediment traps, barriers, diversions, drains, and surface
roughening.
Begin major clearing and grading AFTER principal sediment and key runoff-control measures
are installed. Clear borrow and disposal areas only as needed. Install additional control
measures as grading progresses. Mark trees and buffer areas for preservation.
SURFACE STABILIZATION: Temporary and permanent seeding,
mulching, sodding and riprap.
Apply temporary or permanent stabilization measures immediately on all disturbed areas
where work is delayed or complete.
BUILDING CONSTRUCTION: Buildings, utilities, and paving.Install necessary additional erosion and sedimentation control practices as work takes place.
LANDSCAPE AND FINAL STABILIZATION: Topsoiling, trees and
shrubs, permanent seeding, mulching, sodding, and riprap.
Last construction phase: Stabilize all open areas, including borrow and spoil areas. Remove
and stabilize all temporary control areas.
NOTE: The above are the main aspects of a typical construction sequence in general terms. A detailed Construction Sequence should be site specific based
on your project and site needs. As a minimum, the construction sequence schedule should show the following:
·The erosion and sedimentation control practices to be installed,
·Principal development activities,
·What measures should be in place before other activities are begun, and
·Compatibility with the general construction schedule of the contract.
Many timely construction techniques can reduce the erosion potential of a site, such as (1) shaping earthen fills daily to prevent overflows and (2)
constructing temporary diversions ahead of anticipated storms. These types of activities cannot be put on the construction sequence schedule, but should be
used whenever possible.
DATE:PAGE:
NORTH CAROLINA
Department of Environmental Quality
Effective Date: 9/1/2023
In accordance with the 2013
Design Manual UpdatesCONSTRUCTION SEQUENCING
9/29/25
ENGINEER
PROJECT OWNER
STAMP
CHECKED BY
PRINCIPAL IN CHARGE
REVISIONS
ISSUE FOR
ISSUE DATE
PROJECT ADDRESS
PROJECT NUMBER
SHEET TITLE
SHEET NUMBER
www.rivervieweng.com
4904 PARK AVENUE
WILMINGTON, NC 28403
(910) 398-2882
nlauretta@rivervieweng.com
DRAWN BY
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SEDIMENT &
EROSION
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DESIGN DEVELOPMENT
1026.02
3305 FREDRICKSON RD
WILMINGTON, NC 28401
REVIEW - NOT FOR CONSTRUCTION
SEPTEMBER 29, 2025
N. LAURETTA, PE, LEED AP
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Construction:
1.Clear the entrance and exit area of all vegetation, roots, and other objectionable
material and properly grade it.
2.Place the gravel to the specific grade and dimensions shown on the plans, and
smooth it.
3.Provide drainage to carry water to a sediment trap or other suitable outlet.
4.Use geotextile fabrics in order to improve stability of the foundation in locations
subject to seepage or high water table.
Maintenance:
1.Inspect all measures at least weekly and after each rainfall of 1.0 inch or greater.
Make any required repairs immediately.
2.Maintain the gravel pad in a condition to prevent mud or sediment from leaving the
construction site. This may require periodic topdressing with 2-inch stone.
3.Sediment on roadways is to be removed immediately by broom and shovel, either by
manual or mechanical means, and not to be washed off where it has the potential to
enter a stream, drainage way or storm drain system.
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DATE:PAGE:
NORTH CAROLINADepartment of Environmental Quality
Effective Date: 9/1/2023
In accordance with the 2013
Design Manual Updates
TEMPORARY GRAVEL CONSTRUCTION ENTRANCE/EXIT
GEOTEXTILE FABRIC
TO BE USED IN LOCATIONS
SUBJECT TO SEEPAGE OR
HIGH WATER TABLE.
Notes:
1.Construct the sediment barrier of standard strength or extra strength synthetic filter fabrics.
2.Ensure that the height of the sediment fence does not exceed 24 inches above the ground. (Higher fences may
impound volumes of water sufficient to cause failure of the structure)
3.Construct the filter fabric from a continuous roll cut to the length of the barrier to avoid joints. When joints are
necessary, securely fasten the filter cloth only at a support post with 4 feet minimum overlap to the next post.
4.Support standard strength filter fabric by wire mesh fastened securely to the upslope side of the posts. Extend the
wire mesh support to the bottom of the trench. Fasten the wire reinforcement, then fabric on the upslope side of the
fence post. Wire or plastic zip ties should have a minimum 50 pound tensile strength.
5.When a wire mesh support fence is used, space posts a maximum of 8 feet apart. Supports should be driven securely
into the ground a minimum of 24 inches. Wire mesh should be a minimum 14-gauge with 6 inch mesh spacing.
6.Extra strength filter fabric with 6 foot post spacing does not require a wire mesh support fence. Securely fasten the
filter fabric directly to posts. Wire or plastic zip ties should have a minimum of 50 pound tensile strength.
7.Excavate the trench approximately 4 inches wide and 8 inches deep along the proposed line of the posts and upslope
from the barrier.
8.Place 12 inches of fabric along the bottom and side of the trench.
9.Backfill the trench with soil placed over the filter fabric and compact. Thorough compaction of the backfill is critical to
silt fence performance.
10.Do not attach filter fabric to existing trees.
11.Do not place across ditches, streams, or any other areas of concentrated flow.
Maintenance:
1.Inspect all measures at least weekly and after each rainfall of 1.0
inch or greater. Make any required repairs immediately.
2.Should the fabric of a sediment fence collapse, tear, decompose,
or become ineffective, replace it promptly.
3.Remove sediment deposits as necessary to provide adequate
storage volume for the next rain and reduce pressure on the
fence. Take care to avoid undermining the fence during cleanouts.
4.Remove all fencing materials and unstable sediment deposits and
bring the area to grade and stabilize it after the contributing
drainage area has been properly stabilized.
STEEL POST
8' MAX. STANDARD STRENGTH FABRIC WITH WIRE FENCE
6' MAX. EXTRA STRENGTH FABRIC WITHOUT WIRE FENCE
18-24"
8" DOWN & 4" FORWARD
ALONG THE TRENCH24"
WIRE FENCE
FILTER FABRIC
PLASTIC OR
WIRE TIES 24"
8" MIN.
4" MIN.
BACKFILL TRENCH
AND COMPACT
THOROUGHLY
UPSLOPE
WIRE FENCE FILTER FABRIC
STEEL POST
PLASTIC OR
WIRE
CROSS SECTION VIEW
Max. Slope Length and Slope for Which
Sediment Fence is Applicable
Slope Slope Length (ft)Max. Area (ft2)
<2%100 10,000
2 to 5%75 7,500
5 to 10%50 5,000
10 to 20%25 2,500
>20%15 1,500
DATE:PAGE:
NORTH CAROLINADepartment of Environmental Quality
Effective Date: 9/1/2023
In accordance with the 2013
Design Manual UpdatesSEDIMENT FENCE
2:1 SLOPE GRAVEL FILTER
CONCRETE BLOCKSDEWATERING
1' MIN.
2' MAX.
TEMPORARY SEDIMENT POOL WIRE SCREEN DEWATERING
DROP INLET
WITH GRATE
NOTES:
1.Lay one block, on each side of the structure, on its
side in the bottom row to allow pool drainage. The
foundation should be excavated at least 2 inches
below the crest of the storm drain. Place the
bottom row of blocks against the edge of the storm
drain for lateral support and to avoid washouts
when overflow occurs. If needed, give lateral
support to subsequent rows by placing 2 inch x 4
inch wood studs through block openings.
2.Carefully fit hardware cloth or comparable wire
mesh with 1/2-inch openings over all block
openings to hold gravel in place.
3.Use clean gravel 1/2 to 3/4 inch in diameter, placed
2 inches below the top of the block on a 2:1 slope
or flatter and smooth it to an even grade. NCDOT
#57 washed stone is recommended.
SEDIMENT
MAINTENANCE:
1.Inspect all measures at least weekly and after every
rainfall of 1.0 inch or greater; repair immediately.
2.Remove sediment as necessary to provide
adequate storage volume for subsequent rains.
3.When the contributing drainage area has been
adequately stabilized, remove all materials and any
unstable soil, and either salvage or dispose of it
properly. Bring the disturbed area to proper grade,
then smooth and compact before stabilizing.
DATE:PAGE:
NORTH CAROLINADepartment of Environmental Quality
Effective Date: 9/1/2023
In accordance with the 2013
Design Manual UpdatesBLOCK AND GRAVEL INLET PROTECTION (TEMPORARY)
9/29/25
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4904 PARK AVENUE
WILMINGTON, NC 28403
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SITE DETAILS
CS501
DESIGN DEVELOPMENT
1026.02
3305 FREDRICKSON RD
WILMINGTON, NC 28401
REVIEW - NOT FOR CONSTRUCTION
SEPTEMBER 29, 2025
N. LAURETTA, PE, LEED AP
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NJL/JAT
6" AGGREGATE BASE
COURSE (NCDOT
SPECIFICATION)
2" SF9.5C SUPERPAVE
HOT MIX ASPHALT
SURFACE COURSE
(NCDOT SPECIFICATION)
12" COMPACTED SUBGRADE
(98% OF MAXIMUM DRY DENSITY
ASTM D-698)6" MIN.
12" MIN.
5" PORTLAND CEMENT
CONCRETE (4,000 PSI,
AIR-ENTRAINED)
6" AGGREGATE BASE
COURSE (NCDOT
SPECIFICATION)
6" MIN.
ASPHALT TO CONCRETE TRANSITION
6" AGGREGATE BASE COURSE
(NCDOT SPECIFICATION)
CONCRETE PAVEMENT SECTION (HEAVY DUTY)
5" PORTLAND CEMENT CONCRETE
(4,000 PSI, AIR-ENTRAINED)
12" COMPACTED SUBGRADE
(98% OF MAXIMUM DRY DENSITY ASTM D-698)
12"
12"x6"
2"
18"
9"R7-8a
R7-8
12"x18"
MUTCD
18"
6"
12"x9"
R7-8D
2"
9"
9"
PAVEMENT/GRASS
7'
12"
NOTE
ALL SIGNS SHALL BE PER A.D.A. CODE. INSTALL ONE
SIGN PER EACH PARKING SPACE.
R=5
4'
-
0
"
1
3
"
18
"
12" GRID
20"
25
1
/
2
"
12"
10"
1
8
"
5"
5"
5"
CURB LINE OR END
OF PARKING SPACE1"
CENTERLINE OF
PARKING SPACE
ADA PARKING SYMBOL
SCALE: NOT TO SCALE4
SCALE: NOT TO SCALE3
SCALE: NOT TO SCALE6
ADA PARKING SIGN
SCALE: NOT TO SCALE5
12"
1:1
1/8" RAD
1/2" RADIUS
1-1/4" RADIUS
1" RADIUS
6"18"
24"
6"
6"
12
"
7"
4"
MIN.
AGGREGATE BASE COURSE
UNDER THE CURB & GUTTER
8" AGGREGATE BASE COURSE
(NCDOT SPECIFICATION)
NCDOT DRIVEWAY PAVEMENT SECTION
2" SF9.5C SUPERPAVE HOT MIX
ASPHALT SURFACE COURSE
(NCDOT SPECIFICATION)
12" COMPACTED SUBGRADE
(98% OF MAXIMUM DRY DENSITY ASTM D-698)
6" AGGREGATE BASE COURSE
(NCDOT SPECIFICATION)
ASPHALT PAVEMENT SECTION (LIGHT DUTY)
2" SF9.5C SUPERPAVE HOT MIX
ASPHALT SURFACE COURSE
(NCDOT SPECIFICATION)
12" COMPACTED SUBGRADE
(98% OF MAXIMUM DRY DENSITY ASTM D-698)
SCALE: NOT TO SCALE2
SCALE: NOT TO SCALE1
NOTES :
1.EXPANSION JOINT MATERIAL TO COMPLY
WITH CURRENT NCDOT STANDARDS
2.50' MAX EXPANSION JOINT SPACING, 10'
MAX CONTRACTION JOINT SPACING
3.MINIMUM INSTALLATION LENGTH IS 5 FT.
4.CONCRETE TO BE 3000 PSI MIN
5.VERTICAL CURB AND GUTTER BASE CAN
BE SLOPED 3/4" OR USE A FLAT BASE
24" CONCRETE CURB AND GUTTER
SCALE: NOT TO SCALE8
SIGN INSTALLATION
SCALE: NOT TO SCALE7
STOPWHITE BORDER
10" WHITE LETTERING
RED BACKGROUND
NOTE:
MOUNT SIGN ON BREAK-AWAY SIGN POST. SEE
DETAIL A1, THIS SHEET.
1-3/4" X 1-3/4" 12 GAUGE
POST
3/8"RIVET (TYP)
2-1/4" ANCHOR SLEEVE
EXISTING
GROUND
2-1/4"X 2-1/4" 12 GAUGE SLEEVE
2" X 2" 12 GAUGE POST
NOTES:
1.STRUCTURAL STEEL TUBING USED FOR POST & SLEEVES MUST BE GALVANIZED 12 GAUGE COLD ROLLED STEEL, OF THE
NOMINAL DIMENSIONS SHOWN HERON AND MEET THE REQUIREMENTS OF ASTM A446 GRADE A.
2.GALVANIZING MUST BE PER ASTM A525. POSTS & SLEEVES MUST HAVE 7/16" DIA. HOLES SPACED 1" OC ±1/8" AND MUST
HAVE NO MORE VARIATION IN STRAIGHTNESS THAN 1/6" IN 3'. POSTS MUST BE SQUARE WITHIN ±0.014", HAVE TWIST NO
GREATER THAN 0.062" IN 3' AND HAVE CORNER RADII OF 5/32" ±1/64".
3.THE SIGNS MUST BE MOUNTED ON POSTS IN ACCORDANCE WITH NCDOT STANDARD SPECIFICATIONS DIVISION 900. ALL
FASTENING HARDWARE IS TO BE PROVIDED BY THE CONTRACTOR.
4.MAXIMUM SIGN SIZE 5.2 SQ. FT.RIVET SPECIFICATION:
DIMENSION: 3/8" DIA SHANK, 7/8" DIA HEAD
GRIP RANGE: .200-.366
FINISH: ELECTRO-GALVANIZED, ASTM-B-633, TYPE III SCI
9/29/25
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www.rivervieweng.com
4904 PARK AVENUE
WILMINGTON, NC 28403
(910) 398-2882
nlauretta@rivervieweng.com
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STORM DRAINAGE
DETAILS
CG501
DESIGN DEVELOPMENT
1026.02
3305 FREDRICKSON RD
WILMINGTON, NC 28401
REVIEW - NOT FOR CONSTRUCTION
SEPTEMBER 29, 2025
N. LAURETTA, PE, LEED AP
NJL
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2
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4
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3
NJL/JAT
9/29/25
ENGINEER
PROJECT OWNER
STAMP
CHECKED BY
PRINCIPAL IN CHARGE
REVISIONS
ISSUE FOR
ISSUE DATE
PROJECT ADDRESS
PROJECT NUMBER
SHEET TITLE
SHEET NUMBER
www.rivervieweng.com
4904 PARK AVENUE
WILMINGTON, NC 28403
(910) 398-2882
nlauretta@rivervieweng.com
DRAWN BY
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UTILITY DETAILS
CU501
DESIGN DEVELOPMENT
1026.02
3305 FREDRICKSON RD
WILMINGTON, NC 28401
REVIEW - NOT FOR CONSTRUCTION
SEPTEMBER 29, 2025
N. LAURETTA, PE, LEED AP
NJL
DA
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B
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D
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N
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71
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WI
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N
,
N
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2
8
4
0
3
NJL/JAT
9/29/25
ENGINEER
PROJECT OWNER
STAMP
CHECKED BY
PRINCIPAL IN CHARGE
REVISIONS
ISSUE FOR
ISSUE DATE
PROJECT ADDRESS
PROJECT NUMBER
SHEET TITLE
SHEET NUMBER
www.rivervieweng.com
4904 PARK AVENUE
WILMINGTON, NC 28403
(910) 398-2882
nlauretta@rivervieweng.com
DRAWN BY
CO
V
I
N
G
T
O
N
F
L
E
X
UTILITY DETAILS
CU503
DESIGN DEVELOPMENT
1026.02
3305 FREDRICKSON RD
WILMINGTON, NC 28401
REVIEW - NOT FOR CONSTRUCTION
SEPTEMBER 29, 2025
N. LAURETTA, PE, LEED AP
NJL
DA
E
B
U
I
L
D
I
N
G
,
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71
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2
8
4
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3
NJL/JAT
9/29/25