Attachment 3 - FJRP182510 Extend Comm Duct Bank B3 Drawings Vol 2 of 3.pdf
PDF 8 MB Posted
- Attached to
- 145th Airlift Wing Extend Comm Duct Bank
- Solicitation number
- W50S87-23-B-0002
About this file
This pre-solicitation notice announces an upcoming solicitation for extend communications duct bank work at the 145th Airlift Wing in Charlotte, North Carolina. The solicitation number is W50S87-23-B-0002 and will include exhibits, specifications, and details on the required work. A pre-bid conference will be held on May 24, 2023 at 9:00 AM EST to review bid requirements and answer questions. Interested offerors should register as instructed in Solicitation Section 00100. The work involves extending communications duct banks for the 145th Airlift Wing located at the Charlotte Air National Guard Base. The Department of the Army North Carolina Army National Guard will serve as the contracting agency.
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CE101
CE101.DWG
PARTIAL EROSION AND
SEDIMENT CONTROL PLAN 1
1" = 30'
- MARCH 2022 B-3 DESIGN SUBMITTAL
PARTIAL EROSION AND SEDIMENT CONTROL PLAN AREA 1
1" = 30'
PARTIAL EROSION AND SEDIMENT CONTROL PLAN AREA 2
1" = 30'
CE101
CE101
CE102
KEY MAP
PROJECT MANAGER
HDR PROJECT #:
0 1"
2"
SCALE
FILENAME
DESIGNED BY:
DRAWN BY:
CHECKED BY:
ISSUE DATE DESCRIPTION
1 2 3 4 5 6 7 8
D
C
B
A
SHEET
BRANDY CHAPMAN
BRANDY CHAPMAN
CHRIS TYNES
10226692
DEREK WORLEY
EXTEND
COMMUNICATIONS DUCT
BANK
NC AIR NATIONAL GUARD
145TH AIRLIFT WING
CHARLOTTE, NC
ANG PROJECT #: FJRP182510
CONTRACT #: W9133L-15-D-0004
CHARLOTTE AIR NATIONAL GUARD BASE
KEY NOTES :
1. CONCRETE WASHOUT AREA SEE SHEET C-041,
DETAIL 2
2. WATTLE, SEE SHEET C-042, DETAIL 1
3. RESEED DISTURBED AREA, SEE SHEET C-040, CLDS
DETAIL 30.17
GENERAL NOTES:
1. PLACE SOIL ON THE HIGH SIDE OF THE TRENCH
1. PLACE SPOIL ON THE HIGH SIDE OF THE TRENCH.
03/04/202203/16/2022
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CE102
CE102.DWG
PARTIAL EROSION AND
SEDIMENT CONTROL PLAN 2
1" = 30'
- MARCH 2022 B-3 DESIGN SUBMITTAL
PARTIAL EROSION AND SEDIMENT CONTROL PLAN AREA 3
1" = 30'
CE101
CE101
CE102
KEY MAP
PROJECT MANAGER
HDR PROJECT #:
0 1"
2"
SCALE
FILENAME
DESIGNED BY:
DRAWN BY:
CHECKED BY:
ISSUE DATE DESCRIPTION
1 2 3 4 5 6 7 8
D
C
B
A
SHEET
BRANDY CHAPMAN
BRANDY CHAPMAN
CHRIS TYNES
10226692
DEREK WORLEY
EXTEND
COMMUNICATIONS DUCT
BANK
NC AIR NATIONAL GUARD
145TH AIRLIFT WING
CHARLOTTE, NC
ANG PROJECT #: FJRP182510
CONTRACT #: W9133L-15-D-0004
CHARLOTTE AIR NATIONAL GUARD BASE
KEY NOTES :
1. WATTLE, SEE SHEET C-042, DETAIL 1
2. BEGINNING OF OF DOUBLE ROW SILT FENCE. SEE
SHEET C-042, DETAIL 1.
3. END OF DOUBLE ROW SILT FENCE. SEE SHEET C-042,
DETAIL 1.
GENERAL NOTES:
1. PLACE SOIL ON THE HIGH SIDE OF THE TRENCH
1. PLACE SPOIL ON THE HIGH SIDE OF THE TRENCH.
TYPE 1 UTILITY TRENCH PATCH
NOT TO SCALE
1'-6" CONCRETE CURB AND GUTTER
NOT TO SCALE
1" DIA. PVC PIPE AND
CAP, FILL WITH GREASE
BOND BREAKER
AT BACKER ROD
POLYURETHANE SEALANT
1/4" RADIUS
TOOLED EDGE
1/4" MIN,
1/2" MAX.
SUBGRADE
NO. 5 BARS
AT 10" O.C. E.W.
BACKER ROD
DIA. = "W"+1/8"
M
I N
C O
N C
S
U R
F A
C E
E Q
U A
L E
Q U
A L
℄ EXP. JOINT
2" CLEAR
3/4" DIA. SMOOTH S.ST. DOWEL
x 2'-0" LONG @ 18" O.C., CENTERED ON EXP. JOINT
COMPRESSIBLE FILLER,
EXTEND TO SUBGRADE
EXIST. CONC. SURFACENEW CONC. SURFACE
EPOXY ADHESIVE
EXIST. CONCRETE
SURFACE, TYP.
EXIST. COMPACTED
BASE MATERIAL
EXPANSION JOINT,
TYP. SEE DETAIL
TRACER WIRE (BARE 10-GAUGE
COPPER) FOR NON-FERROUS PIPE
NO. 5 BARS AT 10" O.C. E.W.
PIPE EMBEDMENT NOTE:
FOR ADDITIONAL TRENCH DIMENSION
REQUIREMENTS SEE DETAIL
UNDISTURBED SOIL
CEMENT STABILIZED BACKFILL
BELOW CONCRETE SURFACE,
COMPACT TO MIN. 95% ASTM D698
FOR PIPE EMBEDMENT MATERIAL
AND TRENCH DIMENSIONS,
SEE PIPE EMBEDMENT DETAIL
CENTER PIPE IN TRENCH
SAW CUT EXIST. CONC. SURFACE,
WIDTH OF TRENCH + 4'-0" MIN.
1'-0" MIN.
2'-0" MAX.
METALLIC WARNING
TAPE, 12"-18" BELOW
FINISHED GRADE
PIPE EMBEDMENT:
FOR COVER LESS THAN 10-FEET
UTILIZE CLEAN SILICA SAND EMBEDMENT,
FOR COVER GREATER THAN 10-FEET UTILIZE
CEMENT STABILIZED EMBEDMENT
TYPICAL PIPE EMBEDMENT DETAIL
NOT TO SCALE
COMPACTED BACKFILL,
REFER TO THE SPECIFICATIONS
TRENCH SIDE SLOPE,
AS NEEDED FOR STABILITY
EXCAVATION LINE MAY BE CURVED
TO SHAPE OF TRENCHER, MAINTAIN
MIN. BEDDING LAYER DEPTH
CENTER PIPE IN TRENCH
POLYETHYLENE UNDERGROUND WARNING
TAPE, REFER TO THE SPECIFICATIONS
OUTSIDE DIAMETER OF PIPE (O.D.)
TRENCH WIDTH:
O.D. + 4" MIN. FOR PIPE 2" - 4" DIA.
O.D. + 12" MIN. FOR PIPE 6" DIA. AND LARGER
CONCRETE SURFACE
TRENCH AND REPAIR DETAIL
NOT TO SCALE
CONCRETE
EXPANSION JOINT (EJ) DETAIL
NOT TO SCALE
1" JOINT WIDTH
6" MIN.6" MIN.
T R
E N
E P
T H
C L E
A R
TRENCH WIDTH
T R
E N
P
T H
C O
V E
R
V
A R
I E
S
M
I N
M
I N
M
I N
F
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E
D
I A
A
N
S
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I N
F
P
E
L A
R G
T
A
N
D
I A
RESTORE ALL AREAS
DISTURBED BY CONSTRUCTION
FOR TRENCH IN GRADE, PROVIDE 6" TOPSOIL;
FOR TRENCH CUTS IN PAVEMENT, REFER TO
SPECIFIC DETAILS ON THIS SHEET
MATCH ELEV. AT EXIST.
CONC. SURFACE, TYP.
CONCRETE PAVEMENT NOTE:
CONCRETE PAVEMENT REPAIR SHALL BE
IN COMPLIANCE WITH NCDOT
SPECIFICATION 723 FROM STANDARD
SPECIFICATIONS FOR ROADS AND
STRUCTURES.
C-030
C-030.DWG
CIVIL
SITE DETAILS
AS NOTED
- MARCH 2022 B-3 DESIGN SUBMITTAL
PROJECT MANAGER
HDR PROJECT #:
0 1"
2"
SCALE
FILENAME
DESIGNED BY:
DRAWN BY:
CHECKED BY:
ISSUE DATE DESCRIPTION
1 2 3 4 5 6 7 8
D
C
B
A
SHEET
BRANDY CHAPMAN
BRANDY CHAPMAN
CHRIS TYNES
10226692
DEREK WORLEY
EXTEND
COMMUNICATIONS DUCT
BANK
NC AIR NATIONAL GUARD
145TH AIRLIFT WING
CHARLOTTE, NC
ANG PROJECT #: FJRP182510
CONTRACT #: W9133L-15-D-0004
CHARLOTTE AIR NATIONAL GUARD BASE
TEMPORARY NON LAWN SEEDING MEASURES
A. GENERAL:
1. AFTER CONSTRUCTION IS COMPLETE IN ANY AREA OR PHASE OF THE PROJECT, THE
DISTURBED AREAS SHALL RECEIVE A PERMANENT GROUND COVER. SEEDING AND
MULCHING SHALL BE PERFORMED IMMEDIATELY BEHIND CONSTRUCTION. THE
CONTRACTOR SHALL PROVIDE PERMANENT SEEDING IN ALL DISTURBED AREAS AS
INDICATED IN THE CONTRACT DOCUMENTS. THE CONTRACTOR SHALL ADAPT
PERMANENT SEEDING OPERATIONS TO PROTECT AND TO ACCOMMODATE ANY
TEMPORARY SEEDING AND SOIL AND EROSION CONTROL MEASURES THAT MAY
ALREADY BE IN PLACE DURING THE WORK PERIOD.
2. WHEN SEEDING MUST TAKE PLACE OUT OF SEASON FOR PERMANENT GRASS THE
APPROPRIATE TEMPORARY SEEDING SHALL BE DONE AND THE CONTRACTOR SHALL
BE RESPONSIBLE FOR PERMANENT SEEDING AS SPECIFIED IN SEASON AT NO
ADDITIONAL COST TO OWNER.
3. CONTRACTOR SHALL BE RESPONSIBLE FOR TURF MAINTENANCE THROUGH
SUBSTANTIAL COMPLETION. SLOPES MUST BE AT 90% COVERAGE AT SUBSTANTIAL
COMPLETION REVIEW TO BE ACCEPTED. IF NOT AT 90% COVERAGE, SUBSTANTIAL
COMPLETION WILL BE DELAYED UNTIL 90% COVERAGE IS ACHIEVED AND/OR UNTIL
THE FOLLOWING GROWING SEASON.
B. SITE PREPARATION AND INSTALLATION:
1. GROUND COVER: ALL DISTURBED AREAS SHALL BE DRESSED TO A DEPTH OF SIX (6)
INCHES. THE TOP THREE (3) INCHES SHALL BE PULVERIZED TO PROVIDE A UNIFORM
SEEDBED. RAKE OR HARROW THE SITE TO ESTABLISH A SMOOTH AND LEVEL FINAL
GRADE. SOIL PARTICLES SHOULD BE NO LARGER THAN MARBLE SIZE, AND PEA
GRAVEL SIZE IS EVEN BETTER. AGRICULTURAL LIME SHALL BE APPLIED AT THE
RATE OF 1 TONS/ACRE IMMEDIATELY BEFORE PLOWING. GRASS SEED SHALL BE
APPLIED AT THE RATES OUTLINED IN TABLES 2A AND 2B.
2. 10-10-10 FERTILIZER SHALL BE APPLIED TO ALL DISTURBED AREAS AT A RATE OF
750 LBS./ACRE. MULCHING SHALL CONSIST OF SMALL GRAIN STRAW APPLIED AT A
RATE OF 2 TONS/ACRE. MULCHED AREAS SHALL BE TACKED WITH ASPHALT OR
OTHER APPROVED METHOD SUFFICIENT TO HOLD THE STRAW IN PLACE, AT A RATE
OF 150 TO 200 GALLONS PER TON OF STRAW.
3. SOME AREAS MAY REQUIRE TEMPORARY SEEDING DUE TO AN INTERRUPTION OF
WORK OR SEASONAL RESTRICTIONS AS SPECIFIED IN THE PERMANENT SEEDING
SCHEDULE, OR A COMBINATION THEREOF. THESE AREAS SHALL BE RE-SEEDED IN
ACCORDANCE WITH THE PERMANENT SEEDING SCHEDULE. IF TEMPORARY
SEEDING IS REQUIRED DUE TO CONTRACTOR DELAYS, THERE WILL BE NO
COMPENSATION FOR THE TEMPORARY SEEDING. TEMPORARY SEEDING SHALL BE
PERFORMED ONLY AT THE DIRECTION OF THE ENGINEER OR INSPECTOR.
C. CLEANUP AND INSPECTION:
1. UPON COMPLETION OF WORK, THE CONTRACTOR SHALL REMOVE FROM THE SITE
ALL EQUIPMENT AND OTHER ARTICLES USED. ALL EXCESS SOIL, STONE, AND
DEBRIS SHALL BE REMOVED AND LEGALLY DISPOSED OF AT NO ADDITIONAL COST
TO THE OWNER. ALL WORK AREAS SHALL BE LEFT IN A CLEAN AND NEAT
CONDITION. ALL DAMAGE TO EXISTING CONSTRUCTION CAUSED BY LANDSCAPING
OPERATIONS SHALL BE REPAIRED TO THE SATISFACTION OF THE TOWN AT THE
CONTRACTOR'S EXPENSE.
2. SEEDED AREAS SHALL BE PROTECTED AND REPLANTED AS NECESSARY TO
ESTABLISH A UNIFORM STAND OF SPECIFIED GRASS. SCATTERED BARE SPOTS,
NONE OF WHICH SHALL BE LARGER THAT ONE (1) SQUARE FOOT, WILL BE ALLOWED
UP TO A MAXIMUM OF 3% OF THE SEEDED AREA FOR EACH PROPERTY. WHEN
SEEDED AREAS ARE READY FOR INSPECTION, THE MAINTAINED TURF AREAS SHALL
BE NEATLY MOWED TO THE UNIFORM HEIGHT OF APPROXIMATELY TWO AND
ONE-HALF (2.5) INCHES. THE LAWNS SHALL BE CONSIDERED ESTABLISHED ONLY
WHEN THE SPECIFIED GRASS IS VIGOROUS AND GROWING WELL IN ADDITION TO
MEETING THE OTHER REQUIREMENTS SPECIFIED.
GENERAL EROSION CONTROL NOTES
1. THE CONTRACTOR SHALL INSTALL ALL EROSION AND SEDIMENTATION CONTROL MEASURES AND
DEVICES NECESSARY TO COMPLY WITH THE STANDARDS AND SPECIFICATIONS OF THE NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY (NC DEQ) AND APPLICABLE STATE AND LOCAL LAWS AND
ORDINANCES, AND PREVENT STANDING WATER WITHIN PROJECT LIMITS, UNLESS OTHERWISE DIRECTED.
2. INSTALL CONSTRUCTION ENTRANCES AND ACCESS ROADS IN LOCATIONS SHOWN, IN ACCORDANCE WITH
STATE STANDARDS AND WITH MINIMAL DISTURBANCE TO SURROUNDING VEGETATION AND TREES.
CONTRACTOR SHALL RECEIVE PRIOR APPROVAL FROM ENGINEER BEFORE TREE REMOVAL FOR ACCESS
ROAD CONSTRUCTION. WITHIN 30 DAYS AFTER CONSTRUCTION IS COMPLETED FOR WHICH ACCESS
ROAD IS USED, AND UNLESS OTHERWISE APPROVED, CONTRACTOR SHALL REMOVE ALL REMNANTS OF
THE ACCESS ROADS AND RETURN AREA TO AS GOOD AS OR BETTER CONDITION. ADDITIONAL
MEASURES TO CONTROL EROSION AND SEDIMENT MAY BE REQUIRED BASED ON CONTRACTOR'S
PRACTICES OR BY THE CONTRACTING OFFICER AND WILL BE EMPLOYED WHERE DETERMINED
NECESSARY BY ACTUAL SITE CONDITIONS.
3. ALL MATERIALS SPILLED, DROPPED, WASHED, OR TRACKED FROM VEHICLE OR SITE ONTO PUBLIC
ROADWAY OR INTO STORM DRAIN MUST BE REMOVED.
4. ALL DITCH LINES DISTURBED DURING CONSTRUCTION SHALL BE STABILIZED BY THE CONTRACTOR. ON
ALL NEW OR UNDISTURBED, UNPAVED DITCHES INSTALL EROSION CONTROL MATTING (NAG SC150, SC150BN OR APPROVED EQUAL) A TEMPORARY DITCH LINER OF FIBERGLASS ROVING ON THE DITCH
BOTTOM AND SIDE SLOPES.
5. PROVIDE SILT FENCE ADJACENT TO DITCHES AND AT THE TOE OF FILL SLOPES. ALSO, PROVIDE
ADEQUATE MEASURES IN AREAS WHERE NATURAL VEGETATION DOES NOT PROVIDE A SUFFICIENT
BUFFER AND AS DIRECTED BY THE ENGINEER. WHERE SILT FENCE AND TREE PROTECTION CONFLICT, STOP SILT FENCE AT TREE PROTECTION.
6. PROVIDE INLET SEDIMENT FILTER AT ALL NEW STORM INLETS. INLET PROTECTION MAY BE REQUIRED AT
EXISTING INLETS IN THE EVENT SEDIMENT WILL RUN DOWNSTREAM TO AN EXISTING INLET.
7. PRIOR TO COMMENCING LAND DISTURBANCE ACTIVITY:
a. THE LIMITS OF LAND DISTURBANCE SHALL BE CLEARLY AND ACCURATELY DEMARCATED WITH
STAKES, FENCING, OR OTHER APPROPRIATE MEANS. THE LOCATION AND EXTENT OF ALL
AUTHORIZED LAND DISTURBANCE ACTIVITY SHALL BE DEMARCATED FOR THE DURATION OF THE
CONSTRUCTION ACTIVITY. NO LAND DISTURBANCE SHALL OCCUR OUTSIDE THE APPROVED LIMITS
INDICATED ON THE APPROVED PLANS.
b. ALL TREE PROTECTION FENCING SHALL BE INSTALLED, INSPECTED AND APPROVED BY THE
INSPECTOR. TREES WITHIN THE PROTECTION AREAS MAY ONLY BE REMOVED WITH APPROVAL BY
THE INSPECTOR.
8. COMPLY WITH THE FOLLOWING CONSTRUCTION SEQUENCE FOR EACH CONSTRUCTION PHASE:
a. GRUBBING SHALL BE PERFORMED DURING PREDICTED PERIODS OF DRY WEATHER.
b. EROSION CONTROL DEVICES AND STORMWATER MANAGEMENT DEVICES SHALL BE INSTALLED PRIOR
TO ANY OTHER CONSTRUCTION AND WITHIN 24 HOURS OF GRUBBING. THIS MAY REQUIRE GRUBBING
IN STAGES TO ENSURE EROSION CONTROL MEASURES ARE PUT IN PLACE PRIOR TO RAIN EVENT.
THE LOCATION OF SOME OF THE EROSION CONTROL DEVICES MAY HAVE TO BE ALTERED FROM
THAT SHOWN ON THE APPROVED PLANS IF DRAINAGE PATTERNS DURING CONSTRUCTION ARE
DIFFERENT FROM THE FINAL PROPOSED DRAINAGE PATTERNS. IT IS THE CONTRACTOR'S
RESPONSIBILITY TO ACCOMPLISH EROSION CONTROL FOR ALL DRAINAGE PATTERNS CREATED AT
VARIOUS STAGES DURING CONSTRUCTION. ANY DIFFICULTY IN CONTROLLING EROSION DURING ANY
PHASE OF CONSTRUCTION SHALL IMMEDIATELY BE REPORTED TO THE ENGINEER.
c. SILT FENCE SHALL BE INSTALLED WITHIN 24 HOURS OF GRUBBING ALL PERIMETERS. THE
CONTRACTOR SHALL REMOVE ACCUMULATED SILT WHEN THE SILT IS WITHIN 12" OF THE TOP OF THE
SILT FENCE UTILIZED FOR EROSION CONTROL.
9. THE CONSTRUCTION OF THE SITE WILL COMMENCE WITH INSTALLATION OF EROSION CONTROL
MEASURES SUFFICIENT TO CONTROL SEDIMENT DEPOSITS AND EROSION. ALL SEDIMENT CONTROL WILL
BE MAINTAINED UNTIL ALL UPSTREAM GROUND WITHIN THE CONSTRUCTION AREA HAS BEEN
COMPLETELY STABILIZED WITH PERMANENT VEGETATION.
10. FAILURE TO INSTALL, OPERATE OR MAINTAIN ALL EROSION CONTROL MEASURES WILL RESULT IN ALL
CONSTRUCTION BEING STOPPED ON THE JOB SITE UNTIL SUCH MEASURES ARE CORRECTED TO NORTH
CAROLINA EROSION AND SEDIMENT CONTROL REGULATIONS.
11. A COPY OF THE APPROVED LAND DISTURBANCE PLAN AND PERMIT SHALL BE PRESENT ON THE SITE
WHENEVER LAND DISTURBANCE ACTIVITY IS IN PROGRESS.
12. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CHECKED DAILY AND ANY DEFICIENCIES
NOTED WILL BE CORRECTED BY THE END OF EACH DAY. ADDITIONAL EROSION AND SEDIMENT CONTROL
MEASURES WILL BE INSTALLED IF DEEMED NECESSARY BY ON-SITE INSPECTION.
13. ON-SITE STOCKPILING OF SOIL IS ALLOWED WITHIN THE LIMITS OF DISTURBANCE SUBJECT TO PLACING
APPROPRIATE EROSION CONTROL DEVICES TO PREVENT SOIL LOSS DURING RAIN EVENTS. LOCATIONS
SHALL BE PRE-APPROVED BY THE INSPECTOR.
14. GROUND STABILIZATION SHALL BE ACHIEVED CONSISTENT WITH NCDEQ GENERAL PERMIT NCG01000
EFFECTIVE AS OF AUGUST 2, 2011. WHERE LAND DISTURBING ACTIVITIES HAVE TEMPORARILY OR
PERMANENTLY CEASED, ALL DISTURBED AREAS SHALL BE PROVIDED WITH TEMPORARY OR PERMANENT
STABILIZATION WITH GROUND COVER WITHIN 14 CALENDAR DAYS FROM THE LAST LAND DISTURBING
ACTIVITY EXCEPT FOR ALL PERIMETER DIKES, SWALES, DITCHES, PERIMETER SLOPES, AND ALL SLOPES
STEEPER THAN 3:1 (H:V), WHICH SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH
GROUND COVER WITHIN 7 CALENDAR DAYS FROM THE LAND DISTURBING ACTIVITY. THE CONTRACTOR
SHALL REFER TO GENERAL PERMIT NCG01000 FOR SPECIFIC CONDITIONS, EXEMPTIONS, AND
DEFINITIONS FOR MEETING THESE STABILIZATION REQUIREMENTS. SEE TABLE 1.
15. SITE DISTURBED AREA = 0.84 ACRES.
16. PROVIDE NOTIFICATION TO ALL AFFECTED PROPERTY OWNERS PRIOR TO CONSTRUCTION, AS
APPLICABLE.
17. EFFECTIVE OCTOBER 1, 2010, PERSONS RESPONSIBLE FOR LAND DISTURBING ACTIVITIES MUST INSPECT
THE SEDIMENT AND EROSION CONTROL MEASURES ON A PROJECT AFTER EACH PHASE OF THE PROJECT
TO MAKE SURE THAT THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN IS BEING
FOLLOWED. SELF-INSPECTION REPORTS ARE REQUIRED. A SAMPLE SELF-INSPECTION REPORT AS WELL
AS DETAILS OF THE SELF-INSPECTION PROGRAM CAN BE FOUND ON THE LAND QUALITY WEB SITE:
http://deq.nc.gov/about/divisions/energy-mineral-lan-resources/erosion-sediment-control/forms.
18. ANY OFF-SITE BORROW OR WASTE REQUIRED FOR THIS PROJECT MUST COME FROM AN APPROVED
EROSION CONTROL SITE PLAN REGULATED UNDER THE MINING ACT OF 1971 OR A LANDFILL REGULATED
BY THE DIVISION OF SOLID WASTE MANAGEMENT. DEBRIS FROM DEMOLITION ACTIVITIES SHOULD BE
DISPOSED OF AT AN APPROVED FACILITY.
EROSION MAINTENANCE REQUIREMENTS
1. SEDIMENT FENCE (SILT FENCE):
a. INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY
REQUIRED REPAIRS IMMEDIATELY.
b. SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE, OR BECOME
INEFFECTIVE, REPLACE IT PROMPTLY.
c. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE
NEXT RAIN AND TO REDUCE PRESSURE ON THE FENCE.
d. TAKE CARE TO AVOID UNDERMINING THE FENCE DURING CLEAN OUT.
e. REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA TO
GRADE. STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED.
2. SEDIMENT TUBES:
a. INSPECT CHANNELS FOR DAMAGE AFTER EACH RUNOFF EVENT.
b. ANTICIPATE SUBMERGENCE AND DEPOSITION ABOVE THE WATTLE AND EROSION FROM HIGH FLOWS
AROUND THE EDGES OF THE WATTLE. CORRECT ALL DAMAGE IMMEDIATELY. IF SIGNIFICANT
EROSION OCCURS BETWEEN WATTLES, INSTALL A PROTECTIVE RIPRAP LINER IN THAT PORTION OF
THE CHANNEL.
c. REMOVE SEDIMENT ACCUMULATED BEHIND THE WATTLES AS NEEDED TO PREVENT DAMAGE TO
CHANNEL VEGETATION, ALLOW THE CHANNEL TO DRAIN THROUGH THE STRAW WATTLE AND
PREVENT LARGE FLOWS FROM CARRYING SEDIMENT OVER THE WATTLE.
3. TEMPORARY GRAVEL CONSTRUCTION ENTRANCE/EXIT:
a. INSPECT ON LEAVING THE CONSTRUCTION SITE. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH
2-INCH STONE. AFTER EACH RAINFALL, INSPECT ANY STRUCTURE USED TO TRAP SEDIMENT AND
CLEAN IT OUT AS NECESSARY. IMMEDIATELY REMOVE ALL OBJECTIONABLE MATERIALS SPILLED, WASHED, OR TRACKED ONTO PUBLIC ROADWAYS.
4. ROCK OUTLET PROTECTION:
a. INSPECT STONE ARRANGEMENT WEEKLY AND AFTER EVERY RAINFALL EVENT.
b. MAINTAIN SPECIFIED DIMENSIONS AND REMOVE SEDIMENT BUILDUP WHEN THE SEDIMENT LEVEL IS
½ THE HEIGHT OF THE ROCKS.
5. INLET PROTECTION:
a. INSPECT STONE ARRANGEMENT WEEKLY AND AFTER EVERY RAINFALL EVENT.
b. REPLACE STONE AS NEEDED TO MAINTAIN SPECIFIED DIMENSIONS
c. REMOVE SEDIMENT BUILDUP WHEN THE SEDIMENT LEVEL IS ½ THE HEIGHT OF THE ROCKS. TAKE
ARE NOT TO DAMAGE OR UNDERCUT THE WIRE MESH DURING SEDIMENT REMOVAL.
6. TEMPORARY DIVERSIONS:
a. INSPECT WEEKLY AND, AFTER EVERY RAINFALL, REMOVE SEDIMENT FROM THE FLOW AREA AND
REPAIR THE DIVERSION RIDGES. ALSO CHECK AND MAINTAIN OUTLETS.
b. WHEN THE PROTECTED AREA IS PERMANENTLY STABILIZED, REMOVE THE RIDGES AND THE
CHANNEL TO BLEND WITH THE NATURAL GROUND LEVEL AND APPROPRIATELY STABILIZE SITE.
7. CHECK DAM:
a. INSPECT CHECK DAMS AND CHANNELS FOR DAMAGE AFTER EACH RUNOFF EVENT.
b. ANTICIPATE SUBMERGENCE AND DEPOSITION ABOVE THE CHECK DAM AND EROSION FROM HIGH
FLOWS AROUND THE EDGES OF THE DAM. CORRECT ALL DAMAGE IMMEDIATELY. IF SIGNIFICANT
EROSION OCCURS BETWEEN DAMS, INSTALL A PROTECTIVE RIPRAP LINER IN THAT PORTION OF THE
CHANNEL.
c. REMOVE SEDIMENT ACCUMULATED BEHIND THE DAMS AS NEEDED TO PREVENT DAMAGE TO
CHANNEL VEGETATION, ALLOW THE CHANNEL TO DRAIN THROUGH THE STONE CHECK DAM AND
PREVENT LARGE FLOWS FROM CARRYING SEDIMENT OVER THE DAM. ADD STONES TO DAMS AS
NEEDED TO MAINTAIN DESIGN HEIGHT AND CROSS SECTION.
3. AN INSPECTION OF THE COMPLETED SEEDING SHALL BE MADE AT THE
CONCLUSION OF THE LANDSCAPE WORK UPON WRITTEN NOTICE REQUESTING
SUCH INSPECTION SUBMITTED BY THE CONTRACTOR TO THE ENGINEER, AT LEAST
TEN (10) DAYS PRIOR TO THE ANTICIPATED DATE OF INSPECTION.
4. A FINAL INSPECTION SHALL BE PERFORMED WHEN A SATISFACTORY STAND OF
SEEDED TURF GRASS HAS BEEN PRODUCED, UPON WRITTEN NOTICE REQUESTING
SUCH INSPECTION SUBMITTED BY THE CONTRACTOR TO THE ENGINEER, AT LEAST
TEN (10) DAYS PRIOR TO THE ANTICIPATED DATE OF INSPECTION. IF A
SATISFACTORY STAND OF TURF HAS NOT BEEN PRODUCED AT THE TIME OF FINAL
INSPECTION, NECESSARY REPAIRS SHALL BE PERFORMED IN CONFORMANCE WITH
THE REQUIREMENTS OF THIS SECTION. UPON COMPLETION OF THESE REPAIRS,
THE SEEDED GRASS SHALL BE REINSPECTED UPON WRITTEN NOTICE AS ABOVE.
EROSION CONTROL CONSTRUCTION SEQUENCE
1. OBTAIN AND MAINTAIN ON SITE THE LAND-DISTURBING PERMIT FROM NCDEQ FOR
THE 0.26 ACRES OF DISTURBANCE.
2. CALL NCDEQ WILMINGTON REGIONAL OFFICE AT 910-796-7215 TO SCHEDULE A
PRE-CONSTRUCTION MEETING AT LEAST 48 HOURS PRIOR TO PROJECT ACTIVATION.
3. PRIOR TO COMMENCING ANY LAND DISTURBANCE ACTIVITY, CLEARLY AND
ACCURATELY DEMARCATE THE LIMITS OF THE LAND DISTURBANCE WITH STAKES,
RIBBONS, OR OTHER APPROPRIATE MEANS.
4. INSTALL STABILIZED CONSTRUCTION ENTRANCE AND SILT FENCE PRIOR TO ANY
LAND DISTURBANCE ACTIVITIES (CLEARING, GRADING, GRUBBING, OR EXCAVATION).
CLEAR ONLY AS NECESSARY TO INSTALL THE SKIMMER BASIN AS SHOWN ON THE
PHASE I EROSION CONTROL PLANS.
5. CONTACT THE INSPECTOR (910-796-7215) FOR AN ON-SITE INSPECTION OF THE
INSTALLED MEASURES. WHEN APPROVED, INSTALL REMAINING EROSION CONTROL
DEVICES (TEMPORARY DIVERSION DITCHES, STRAW WATTLES, ETC.).
6. INSPECT ALL EROSION CONTROL DEVICES AT WEEKLY INTERVALS AND AFTER
EVERY RAINFALL EVENT EXCEEDING
" TO VERIFY THAT THEY ARE FUNCTIONING
PROPERLY. ANY ACCUMULATED SEDIMENT SHALL BE REMOVED AND PLACED IN A
DESIGNATED SPOIL DISPOSAL AREA APPROVED BY THE INSPECTOR. CONDUCT
PERIODIC INSPECTIONS OF ALL EROSION AND SEDIMENTATION CONTROLS AND
MAKE ANY REPAIRS OR MODIFICATIONS NECESSARY TO ASSURE CONTINUED
EFFECTIVE OPERATION OF EACH DEVICE.
7. BEGIN REMAINDER OF CLEARING, GRUBBING, AND GRADING OF SITE.
8. STABILIZE SITE PER EROSION CONTROL NOTES AND SEEDING SCHEDULE AS AREAS
ARE BROUGHT TO FINISHED GRADE WITH VEGETATION, PAVING, DITCH LININGS, ETC.
PER GENERAL PERMIT NCG010000. ALL PERIMETER DIKES, SWALES, DITCHES,
PERIMETER SLOPES, AND ALL SLOPES STEEPER THAN 3:1 SHALL BE PROVIDED
TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS
PRACTICABLE BUT IN ANY EVENT WITHIN 7 CALENDAR DAYS FROM THE LAST LAND
DISTURBING ACTIVITY. ALL OTHER DISTURBED AREAS SHALL BE PROVIDED
TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS
PRACTICABLE BUT IN EVENT WITHIN 14 CALENDAR DAYS FROM THE LAST LAND
DISTURBING ACTIVITY.
9. THE STORM DRAINAGE NETWORK MUST BE CONSTRUCTED TO DISCHARGE INTO THE
SKIMMER BASIN AS INDICATED ON THE PHASE II EROSION CONTROL PLANS. ONCE
STORM NETWORK IS COMPLETELY CONSTRUCTED, ALL INLETS ARE PROPERLY
PROTECTED, AND VEGETATION HAS BEEN ESTABLISHED ON A MAJORITY OF THE
SITE, THE SKIMMER BASIN CAN BE CLEANED OF ACCUMULATED SEDIMENT AND
SODDED. PIPES INTERCONNECTING THE FORMER SKIMMER BASIN TO THE SAND
FILTER CAN BE INSTALLED AS SHOWN ON SHEET CG103 WHEN DEEMED
APPROPRIATE BY THE CONTRACTING OFFICER.
10. ADDITIONAL CONTROL DEVICES MAY BE REQUIRED DURING CONSTRUCTION IN
ORDER TO CONTROL EROSION AND/OR OFFSITE SEDIMENTATION.
11. CONTACT THE INSPECTOR (910-796-7215) FOR AN INSPECTION WHEN
CONSTRUCTION IS COMPLETE AND ALL AREAS ARE FULLY PLANTED AND
STABILIZED.
12. WHEN FINAL SITE STABILIZATION IS APPROVED, REMOVE ALL EROSION CONTROL
DEVICES AND STABILIZE THESE AND ANY RESULTING BARE AREAS.
13. CONTACT THE INSPECTOR (910-796-7215) FOR A FINAL SITE INSPECTION WHEN
VEGETATION HAS BECOME ESTABLISHED.
C-040
C-040.DWG
CIVIL
EROSION CONTROL NOTES
AS NOTED
- MARCH 2022 B-3 DESIGN SUBMITTAL
PROJECT MANAGER
HDR PROJECT #:
0 1"
2"
SCALE
FILENAME
DESIGNED BY:
DRAWN BY:
CHECKED BY:
ISSUE DATE DESCRIPTION
1 2 3 4 5 6 7 8
D
C
B
A
SHEET
BRANDY CHAPMAN
BRANDY CHAPMAN
CHRIS TYNES
10226692
DEREK WORLEY
EXTEND
COMMUNICATIONS DUCT
BANK
NC AIR NATIONAL GUARD
145TH AIRLIFT WING
CHARLOTTE, NC
ANG PROJECT #: FJRP182510
CONTRACT #: W9133L-15-D-0004
CHARLOTTE AIR NATIONAL GUARD BASE
*PERMANENT SEEDING SCHEDULE CAN BE FOUND ON C-041
TEMPORARY SILT FENCE
NOT TO SCALE
CATCH BASIN INLET PROTECTION
NOT TO SCALE
PLAN
SECTION A-A
STAKE
(2 PER BALE)
STRAW BALE
(TYP)
10 MIL PLASTIC
LINER
10 MIL PLASTIC
LINER
STRAW
BALE
BINDING
WIRE
STAPLES
(2 PER BALE)
WOOD OR
METAL STAKES
(2 PER BALE)
NATIVE MATERIAL
(OPTIONAL)
1/8" DIA
STEEL WIRE
A A
EXISTING
GRADE
1. ACTUAL LAYOUT DETERMINED IN FIELD.
2. INSTALL CONCRETE WASHOUT SIGN (24"X24", MINIMUM) WITHIN 30' OF THE TEMPORARY
CONCRETE WASHOUT FACILITY.
3. TEMPORARY WASHOUT AREA MUST BE AT LEAST 50' FROM A STORM DRAIN, CREEK BANK OR
PERIMETER CONTROL.
4. REMOVE STRUCTURE AND SIGN UPON PROJECT COMPLETION. GRADE THE EARTH MATERIAL TO
MATCH THE EXISTING CONTOURS AND PERMANENTLY SEED AND MULCH AREA.
5. REFER TO EROSION CONTROL GENERAL NOTES FOR INSPECTION AND MAINTENANCE
SPECIFICATIONS.
NOTES:
CONCRETE WASHOUT AREA
NOT TO SCALE
C-041
C-041.DWG
CIVIL
EROSION CONTROL DETAILS 1
AS NOTED
- MARCH 2022 B-3 DESIGN SUBMITTAL
PROJECT MANAGER
HDR PROJECT #:
0 1"
2"
SCALE
FILENAME
DESIGNED BY:
DRAWN BY:
CHECKED BY:
ISSUE DATE DESCRIPTION
1 2 3 4 5 6 7 8
D
C
B
A
SHEET
BRANDY CHAPMAN
BRANDY CHAPMAN
CHRIS TYNES
10226692
DEREK WORLEY
EXTEND
COMMUNICATIONS DUCT
BANK
NC AIR NATIONAL GUARD
145TH AIRLIFT WING
CHARLOTTE, NC
ANG PROJECT #: FJRP182510
CONTRACT #: W9133L-15-D-0004
CHARLOTTE AIR NATIONAL GUARD BASE
PERMANENT SEEDING SCHEDULE
03/04/2022
6.11.14 R
ev. 5/08
03/16/2022
NOTE:
1. Other materials providing equivalent protection against erosive velocities may be substituted for use in silt socks or wattles.
2. Fill silt sock/wattle netting uniformly with compost to the desired length such that logs do not deform.
3. Silt sock/Wattle(s) should be installed parallel to and a minimum of 10 feet beyond the toe of a graded slope. Silt Sock/Wattle(s) located below flat areas should be located at the edge of the land disturbance. The ends of the silt sock/wattle(s) should be turned slightly upslope to prevent runoff from going around the end of the silt sock/wattle(s).
4. Oak or other durable hardwood stakes with a 2 inch x 2 inch cross section should be driven vertically plumb, through the center of the silt sock/wattle. Stakes should be placed at a maximum interval of 4 feet or a maximum interval of 8 feet if the silt sock/wattle is placed in a 4 inch trench.
5. In the event staking is not possible (ie. when socks/wattles are used on pavement) heavy concrete blocks shall be used behind the silt sock/wattle to hold it in place during runoff events.
MAINTENANCE:
1. Inspect silt sock/wattle at least weekly and after each 1 inch or greater rainfall. Remove accumulated sediment and any debris as needed to allow for adequate flow.
2. Silt sock/Wattle must be replaced if clogged or torn.
3. If ponding becomes excessive, the silt sock/wattle may need to be replaced with a larger diameter or a different measure.
4. Reinstall if damaged or dislodged.
5. Silt socks/wattles shall be inspected until land disturbance is compete and the area above the measure has been permanently stabilized.
M a x
12" Min.
SECTION
UNTRENCHED INSTALLATION
M a x
12" Min.
SECTION
ENTRENCHED INSTALLATION*
*THIS APPLICATION MAY NOT BE USED WITH COMPOST
SOCKS SMALLER THAN 12".
Work Area
Area To Be
Protected
ISOMETRIC VIEW
SILT SOCK/WATTLE
NOT TO SCALE
C-042
C-042.DWG
CIVIL
EROSION CONTROL DETAILS 2
AS NOTED
- MARCH 2022 B-3 DESIGN SUBMITTAL
PROJECT MANAGER
HDR PROJECT #:
0 1"
2"
SCALE
FILENAME
DESIGNED BY:
DRAWN BY:
CHECKED BY:
ISSUE DATE DESCRIPTION
1 2 3 4 5 6 7 8
D
C
B
A
SHEET
BRANDY CHAPMAN
BRANDY CHAPMAN
CHRIS TYNES
10226692
DEREK WORLEY
EXTEND
COMMUNICATIONS DUCT
BANK
NC AIR NATIONAL GUARD
145TH AIRLIFT WING
CHARLOTTE, NC
ANG PROJECT #: FJRP182510
CONTRACT #: W9133L-15-D-0004
CHARLOTTE AIR NATIONAL GUARD BASE
File details come from the government source that posted it. Updated .