SW6141102_APPROVED PLANS_20141217

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
YYYYMMDD

E
NORTHERN TRAINING AREA
AND THE OVERHILLS AREA.
US ARMY CORPS OF ENGINEERS (USACE)
FORT BRAGG OFFICE, BLDG NO. 3-1933
OLD FORT BRAGG BOUNDARY 1 - r-
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ca
` POPE FIELD DIRECTORATE OF PUBLIC WORKS ;
BUILDING NO. 3-1631 at
DEMOLITION10 LANDFILL
ACP#lX AND SAT /SUN /HOLIDAYS 0900-1700
87 SOLDIER SUPPORT CENTER
1 24 BUILDING 4-2843,
VEHICLE REGISTRATION
ECYCLING AREA \ \\ r-----
- LAMONT
BORROW PIT Z
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ACP#10
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MAJOR ROADS NICoE PROJECT SIT24EACCESS CONTROL POINT (ACP) #8
STREETS AND TRUCK INSPECTION PLAZA
-}}+ RAILROADS oa\`��a - L
ACP# OEF DENSE REUTILIZATION MARKETING
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--------- INSTALLATION BOUNDARIES E (DRMO) BLDG. N0. J-1334
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OFFICE
ACP#3
® INTERSTATE ROUTE o
yo � PF,S
01 U. S. ROUTE ACP#2
STATE ROUTE � FORT BRAGG CANTONMENT
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SCALE: 1"=3000'
LAKES \�'_
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ACP#2A
II `I"I"I""I"I"I"I"I' HAUL ROAD (RECYCLE/LANDFILL) JI
POST ACCESS CONTROL POINT (ACP) PLAN
ACP NUMBERS I, 4,7, 8, II, 13 OPERATES 24HRS/ 7 DAYS A WEEK= ALL PROCESSING
ACP NUMBERS 3, 9,10 OPERATES 24HRS/ 7 DAYS A WEEK= DECALS ONLY
ACP NUMBERS 2, 8A,12 OPERATES 16HRS/ 5 DAYS A WEEK= DECALS ONLY
TRUCK PLAZA OPERATES 24HRS/ 7 DAYS A WEEK= TRUCK INSPECTION PLAZA
�, ►� = ROAD CLOSED WITH GATES OR BARRIERS
ALL VEHICLES ARE SUBJECT TO SEARCH, REGARDLESS OF WHETHER THEY HAVE A
DECAL, HAVE A TEMPORARY PASS, OR HAVE NEITHER. ALL CONTRACTORS COMMERCIAL
OR PRIVAYELY OWNED VEHICLES REQUIRE REGISTRATION.
USACE SAVANNAH DISTRICT EXPECTS THE COMPLETION DATE FOR THE NEW CHICKEN ROAD
ACP BY 21 JULY, 2014. THIS MAY IMPACT ANY CONSTRUCTION TRAFFIC ALONG CHICKEN
ROAD. THE NEW ACP IS SHOWN AS ACP2A. WHEN ACP2A IS OPEN ACP2 SHALL BE SHUT
DOWN. THIS MAY OCCUR EITHER BEFORE OR DURING CONSTRUCTION.
RALEIGH
421 5m
6, /
WILSON
ASHEBORO
1 70
401
220
SANFORD S THFIELD 117
4
GOLDSBORO
BISCOE
1 7 7B
DUN
FORT BRAGG 401 30 <MT. OLIVE
421\
1 15 AYETTEVILLE \ N
74 51 401 CLINT
ROCKIN AM 301
1 U7
LAU NBUR 87 701
74 WALLACE
501 LUMBERTON
15 ELIZABETHTOWN
40r 2
S 421
gyp 7,
9q p� 117
301 p ll, 1
40
DARLING 76' 74
HITEVILLE
70
701 WILMINGTON
VICINITY MAP
N.T.S.
LANDFILL DISPOSAL REQUIREMENTS
I. FORT BRAGG HAS TWO NON -HAZARDOUS SOLID WASTE DISPOSAL SITES, WHICH ARE PERMITTED BY THE NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES (NCDENR). THEY ARE LOCATED OFF LAMONT ROAD, WEST OF FORT
BRAGG'S CANTONMENT AREA, BETWEEN LONGSTREET AND MCKELLAR ROADS. THE SOLID WASTE SITES ARE PERMITTED
LANDFILLS WHICH ACCEPTS WASTE FROM FORT BRAGG AND POPE FIELD. THESE LANDFILLS ARE FOR CONSTRUCTION AND
DEMOLITION DEBRIS (C&D) AND RECYCLING COLLECTION AREA.
2. THE LAMONT ROAD LANDFILL IS OPEN FOR OPERATION BETWEEN THE HOURS OF 7:30 AM AND 3:00 PM, MONDAY THROUGH
FRIDAY EXCEPT FOR THE HOLIDAYS LISTED. THE LANDFILL IS CLOSED ON NEW YEAR'S DAY, INDEPENDENCE DAY, THANKSGIVING
DAY, AND CHRISTMAS DAY. THE LAMONT ROAD BORROW PIT IS NOT AVAILABLE FOR THIS PROJECT.
3. THE CONSTRUCTION AND DEMOLITION LANDFILL IS PERMITTED FOR DISPOSAL OF CONSTRUCTION AND RENOVATION DEBRIS:
PLYWOOD, FIXTURES, ELECTRICAL MATERIALS, DOORS, PAINTED WOOD, NON -RECYCLABLE CONCRETE, WINDOWS, DRYWALL,
SHINGLES, VINYL SIDING, PLUMBING MATERIALS, AND TREATED WOOD. ASBESTOS IS DISPOSED IN A DESIGNATED CELL WITHIN
THE C&D LANDFILL BY THE LANDFILL OPERATOR. THE ASBESTOS WASTE SHALL BE PROPERLY BAGGED OR ONTAINED AND WITH
MANIFEST DOCUMENTS BEFORE ACCEPTANCE FOR THE WASTE BEFORE PLACING INTO THE C&D LANDFILL. CONTRACTOR SHALL
NOTIFY LANDFILL 24 HOURS IN ADVANCE OF ASBESTOS DISPOSAL AT 910-396-6873. YARD WASTE IS NOT ALLOWED IN THE
C&D LANDFILL.
4. THE TREE AND YARD WASTE RECYCLING COLLECTION AREA IS PERMITTED TO ACCEPT YARD WASTE, TREES CUT IN
MANAGEABLE LENGTHS (61, STUMPS, LIMBS (6' LENGTHS), UN-PAINTE'' AND NON -TREATED WOOD, GRASS, LEAVES, PINE
NEEDLES, PINECONES, AND ANY NATURALLY OCCURING VEGETATIONS.
5. THE CARDBOARD RECYCLING COLLECTION AREA IS PERMITTED TO ACCEPT ANY TYPE OF CORRUGATED CARDBOARD, WITH THE
FOLLOWINGS EXCEPTIONS: NO PAPERBOARD, FOODBOARD, AND NO WAXED CARDBOARD. ANY CARDBOARD CONTAMINATED WITH
FOOD SHALL NOT BE DISPOSED OF IN THE CARDBOARD RECYCLING COLLECTION AREA.
6. THE CONCRETE RECYCLING AREA IS PERMITTED FOR DISPOSAL OF CLEAN CONCRETE BRICKS, AND ASPHALT DEBRIS. CLEAN
CONCRETE MUST BE SEGREGATED FROM OTHER WASTE FOR RECYCLING- CLEAN CONCRETE SHALL BE FREE ASBESTOS, FREE
OF LEAD -BASED PAINTS, AND FREE OF HAZARDDOUS MATERIALS/WASTES. NO MASTIC AND NO TILES ARE ALLOWED IN
CONCRETE RECYCLING AREA.
7. THE PALLET RECYCLING AREA IS PERMITTED FOR DISPOSAL OF WOOD AND METAL PALLETS ARE ACCEPTED. PALLETS
MUST BE STACKED NEATLY IN DESIGNATED AREA.
8. THE METAL RECYCLING AREA IS PERMITTED FOR DISPOSAL OF ANY SCRAP METAL GENERATED FROM THE CONSTRUCTION
SITE. SCRAP METALL SHALL BE SEGREGATED BY ALUMINUM, BRASS, COPPER, AND STEEL AND PLACED IN THE APPROPRIATE
CONTAINERS. CONTRACTOR SHALL REMOVE ALL TYPES OF MATERIALS ATTACHED AS MUCH AS POSSIBLE.
9. THE CONCERTINA RECYCLING AREA IS PERMITTED FOR DISPOSAL OF CONCERTINA WIRE. CONTRACTOR SHALL ENSURE
PROPER SAFETY PRECAUTIONS ARE IMPLEMENTED WHEN HANDLING CONCERTINA WIRE IN THIS AREA.
10. FORT BRAGG DOES NOT PROVIDE MUNICIPAL SOLID WASTE (MSW) SERVICE. THE CONTRACTOR SHALL PROVIDE MSW SERVICE
FOR THE CONSTRUCTION SITE AND FOR MSW DISPOSAL OFF BASE. THE CONTRACTOR IS RESPONSIBLE FOR OBTAINING
DUMPSTERS.
11. TIRES ARE PROHIBITED FROM BEING DISPOSED IN FORT BRAGG LANDFILLS.
12. HAZARDOUS WASTE AND LIQUID WASTE ARE PROHIBITED FROM BEING DISPOSED IN FORT BRAGG LANDFILLS.
13. APPLIANCES/WHITE GOODS WHICH INCLUDE ITEMS SUCH AS; WASHERS, DRYERS, REFRIGERATORS, AND AIR CONDITIONERS ARE
BANNED FROM THE RECYCLING AREA, C&D LANDFILLS AND THE WTS AND SHALL BE DISPOSED THROUGH THE PRIME
CONTRACTOR WITH AN OFF -POST SALVAGE COMPANY OR THROUGH DEFENSE REUTILIZATION AND MARKETING OFFICE (DRMO).
14. ALL LANDFILL USERS MUST DELIVER LOADS PRE -SEGREGATED FOR DELIVERY TO THE LAMONT LANDFILL. ALL LANDFILL
USERS WILL RECYCLE TO THE MAXIMUM EXTENT POSSIBLE.
15. A LANDFILL DISPOSAL PERMIT IS REQUIRED TO ENTER THE LANDFILL. OBTAIN A LANDFILL PERMIT BY COORDINATING THRU
THE CONTRACTING OFFICER REPRESENTATIVE AND APPROVAL AND ISSUED BY THE SOLID WASTE MANAGEMENT FROM THE
DIRECTORATE OF PUBLIC WORKS (DPW), ENVIRONMENTAL SUSTAINMENT DIVISION (ESD), PHONE NUMBER [phone].
16. STATE LAW AND POST REGULATIONS REQUIRE COVERING OF LOADS TO PREVENT LITTER. 15A NORTH CAROLINA
ADMINISTRATIVE CODE 13B.0105(D) STATES: 'VEHICLES TRANSPORTING WASTE SHALL BE LOADED AND MOVED IN SUCH A
MATTER THAT THE CONTENTS WILL NOT FALL, LEAK, OR SPILL AND SHALL BE COVERED WHEN NECESSARY TO PREVENT
BLOWING MATERIAL. IF A SPILL OCCURS, THE TRANSPORTER SHALL PICK UP THE MATERIAL IMMEDIATELY, RETURNED TO THE
VEHICLE AND THE AREA PROPERLY CLEANED -UP."
17. PRIME CONTRACTORS ARE RESPONSIBLE FOR THE WASTE GENERATED ON THEIR SITES AND TRANSPORTED TO THE
LANDFILLS AND SHALL COMPLY WITH ALL GUIDANCE WITHIN THE PROJECT DOCUMENTS. THE LOADS COMING INTO THE
RECYCLING AREA AND C&D LANDFILLS AND WTS ARE SUBJECT TO INSPECTION AND SCREENING BY THE LANDFILL OPERATORS
AND/OR THE ENVIRONMENTAL COMPLIANCE BRANCH PERSONNEL TO ENSURE COMPLIANCE IS BEING MAINTAINED. NON -COMPLIANT
LOADS WILL NOT BE ALLOWED TO DUMP AND THE VEHICLES MAY BE QUARANTINED AND SUBJECT TO STATE NOTIFICATION.
CONTRACTOR SHOULD VISIT WWW.BRAGG.ARMY.MIL FOR ADDITIONAL LANDFILL REQUIREMENTS.
US ARMY CORPS
OF ENGINEERS
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PLATE
REFERENCE
NUMBER
G101
SHEET 2 of 12
�31VAA L1,8015
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FWA
McKIM & CREED PT#2 REBAR -
AND CAP SET GROUND
COORDINATES N=509,786.53'
E=1,996,826.32' (NAD 83/2011)
ELEV=239.55' (NAVD 88)
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TREES TO BE REMAIN t I
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SURVEY NOTES:
1. ALL DISTANCES SHOWN ARE HORIZONTAL GROUND DISTANCES IN
US FEET (UNLESS OTHERWISE STATED).
2. NO NC GRID MONUMENT IS WITHIN 2000' OF SURVEYED TRACT.
3. ALL BEARINGS ARE BASED ON THE INC STATE PLANE COORDINATE
SYSTEM (NAD 1983/2011).
4. THIS SURVEY PERFORMED AND MAP PREPARED WITHOUT THE
BENEFIT OF A TITLE REPORT. THIS SURVEY IS SUBJECT TO ANY
FACTS AND EASEMENTS WHICH MAY BE DISCLOSED BY A FULL
AND ACCURATE TITLE SEARCH.
5. THERE ARE NO BURIAL GROUNDS OR CEMETERIES VISIBLE.
6. WETLAND INFORMATION TAKEN FROM SURVEY ENTITTLED,
"WETLAND DELINEATION OF THE MULTI —FUNCTION AVIATION
BRIGADE COMPLEX (SITE 1), PN 64426 FORT BRAGG MILITARY
RESERVATION FOR DIAL CORDY & ASSOCIATES, INC. & U.S.
ARMY CORPS OF ENGINEERS, WILMINGTON DISTRICT" BY MCKIM &
CREED, INC. AND DATED JANUARY 23, 2009.
S12°23'15"E
510.25'(GROUND)
(TIE LINE)
COMBINED FACTOR=0.99986744
LEGEND
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BC
BACK OF CURB
CONC
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FIBER OPTIC
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WETLAND FLAG
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SDMH
STORM DRAIN MANHOLE
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WATER VALVE
m
TRAFFIC HANDHOLE
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LIGHTED POLE
in
TELEPHONE PEDESTAL
8 TELEPHONE MANHOLE
FIRE HYDRANT
TREE SYMBOL
McKIM & CREED PT#1 REBAR —
AND CAP SET GRID COORDINATES
N=509,288.16' E=1,996,935.78'
(NAD 83/2011) ELEV=249.50'
(NAVD 88)
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PLATE
REFERENCE
NUMBER
CX101
SHEET 3 of 12

FBI
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1
STAGE 1 CONSTRUCTION SEQUENCE
1. ESTABLISH LIMITS OF DISTURBANCE AS SHOWN.
2. A PRECONSTRUCTION CONFERENCE MUST BE HELD 48 HOURS
PRIOR TO THE START OF ANY CONSTRUCTION ACTIVITIES. THE
EROSION CONTROL INSPECTOR, ENGINEER, AND CONTRACTOR
SHALL BE PRESENT.
3. INSTALL TEMPORARY GRAVEL CONSTRUCTION ENTRANCES AS
SHOWN. BUILDING CONTRACTOR SHALL MAINTAIN A SUFFICIENT
GRAVEL ENTRANCE UNTIL FINAL SUBGRADE IS ESTABLISHED.
4. INSTALL TREE PROTECTION FENCING AND SILT FENCING AS
NOTED ON PLANS BEFORE COMMENCING ANY LAND
DISTURBANCE ACTIVITY. ADDITIONAL TREE PROTECTION FENCING
AND SILT FENCE MAY BE REQUIRED SITE DEPENDENT.
5. THE TREES WILL BE LOGGED PRIOR TO THIS CONTRACT. THIS
CONTRACT IS NOT RESPONSIBLE FOR THE LOGGING
OPERATIONS EROSION CONTROL.
6. COORDINATE DISCONNECTION OF EXISTING UTILITIES AS
NECESSARY:
6.1. ELECTRICAL SERVICES AND POLES WITH SANDHILLS UTILITY
6.2. TELEPHONE SERVICES AND POLES WITH FORT BRAGG N.E.C.
6.3. CABLE WITH TIME WARNER CABLE OR FORT BRAGG N.E.C.
6.4. SEWER AND WATER SERVICES WITH OLD NORTH WATER AND
SEWER (ONUS)
6.5. STORM DRAINAGE SYSTEM WITH FORT BRAGG DPW-WMB.
7. COMMENCE CLEARING AND ROUGH GRADING OPERATIONS TO
ESTABLISH TEMPORARY DIVERSION DITCHES
8. CONSTRUCT SKIMMER SEDIMENT BASINS, SB-1 AND SB-2.
9. COMMENCE DEMOLITION OF EXISTING STUMPS. ALL DEMOLITION
MATERIAL SHALL BE DISPOSED OF, SALVAGED, OR RECYCLED
PER THE PROJECT SPECIFICATIONS AND LEED PROJECT
REQUIREMENTS. CONTRACTOR SHALL RETAIN ALL MATERIAL
TICKETS PER PROJECT LEED REQUIREMENTS.
10. PROVIDE STABILIZATION IN ACCORDANCE TO TABLE ON THIS
SHEET AND SEED SPECIFICATIONS.
LIMITS OF DISTURBANCE=t3.70 AC
2 I 3 I 4
/
/ f STREAM CHANN
CE501 \ /
i
/ WETLAND BOUNDARY
5
SEDIMENT BASIN (SB-1) \ +�
LENGTH=150*X WIDTH=40 I
WETLAND B`RlDGE TO REMAIN \
TOP EL.=237.0 TYP,
� TREE TO REMAIN,
BOTTOM EL=234.30' \ I I
2 4 48bLF
CE501 / r-~ 3 C 01 3 !n 3 SILT FENCES
bnd
SEDIMENT BASIN (SB-2) i 7 tt — — — —
LENGTH=60' X WIDTH=26'' a \� ° ' —
TOP EL.=231.0
BOTTOM EL.=227.0
CIM
� CE501 o—
_/�/ CE501
— — t 1 / �f 1 /� — _ ��
° a ' / _ / Q f- — / z' TEMPORARY DIVERSION
`—� '77 1 i /� DITCHES (MD-3)
& WATTLES.
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4 1 — . — — — — 7 DAEGETATIVE
J C — STABILIZATION FOR MD. \ \ 1 1
— TEMPORARY DIVERSION _i _ �L—�� ` \ 1 tV 11 1 _ 5 _ — — — _ — — — — — —1
-DITCHES (MD-1) I 1 V1 V (/ / �a1— Ttl�i 1
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DITCHES (TDD-2) .2 —\( r I\ \ I 1
& WATTLES.
CE50T 7 DAY VEGETATIVE \\ \\ ;3� 1 \
/ / I \ \ _2an___----- \� \ I
STABILIZATION FOR TDD. r ' \\ _ t
440 LF
SILT FENCE r� // // //' rr ' rr \\I f\ C\ -----2li'-----------
/�-----------
J J j 1 / // iJ / ��1 1 -�\ — \\ \ \\
7 DAY VEGETATIVE STABILIZATION FOR SLOPES
/ SEE TABLE THIS SHEET AND SEED SPECIFICATIONS.\\ \ �?4- — — — — — _ — — — — S T395
FENCE
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1, 1. SILT_FEN E FENCING \ A FENCING a Q 1
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TO REMAIN t _ _ } °
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- 9
GROUND STABILIZATION CRITERIA
SITE AREA DESCRIPTION
STABILIZATION TIMEFRAME
STABILIZATION TIMEFRAME
EXCEPTIONS
PERIMETER DIKES, SWALES,
7 DAYS
NONE
DITCHES AND SLOPES
HIGH QUALITY WATER ZONES
7 DAYS
NONE
IF SLOPES ARE 10 FT OR LESS
SLOPES STEEPER THAN 3:1
7 DAYS
IN IN LENGTH AND ARE NOT
STEEPER THAN 2:1, 14 DAYS
ARE ALLOWED
SLOPES 3:1 OR FLATTER
14 DAYS
7 DAYS FOR SLOPES GREATER
THAN 50 FT IN LENGTH
ALL OTHER AREAS WITH
NONE (EXCEPT FOR PERIMETERS
SLOPES FLATTER THAN 4:1
14 DAYS
AND HQW ZONES)
BC _
REMO DUMPSTER CONCRETE DRIVE,
SIDEWA ,AND LIGHT POLE. COORDINATE
SANDHI S UTILITY SERVICE (SUS).
3
CE501
—CONSTRUCTION
ENTRANCE-2
(EXISTING GRAVEL PATH)
REMOVE EX. SIDEWALK
3
CE501
CONSTRUCTION
ENTRANCE-1
REMOVE EX. SIDEWALK
30' 0 30' 60'
SCALE: 1"=30' (Horiz.)
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PLATE
REFERENCE
NUMBER
CE101
SHEET 5 of 12

STAGE 2 CONSTRUCTION SEQUENCE
1. INSTALL PROPOSED STORM DRAINAGE THROUGHOUT
PROJECT SITE. STORM DRAINAGE SHOWN PER GRADING
AND DRAINAGE PLAN.--
2. INSTALL TDD-4 AND TDD-5 ALONG SILT FENCE TO
OUTLETS AS SHOWN.
3. INSTALL INLET PROTECTION AROUND STORM INLETS AND _ 7
STRUCTURES. _ CE501
4. INSTALL SEDIMENT BASIN (SB-3) AND REMOVE — \ SEDIMENT BASIN (SB-1) /
SEDIMENT BASIN (SB-2) AS NECESSARY TO
p I SEDIMENT
X WIDTH=40' 0-
ADEQUATELY PROVIDE SEDIMENT STORAGE. ENSURE � % TOP EL.=237.0
THAT EXCAVATION OF THE SEDIMENT BASINS DOES NOT BOTTOM EEL== ..0 f O U
COMPACT/OVEREXCAVATE THE BOTTOM SOILS OF THE / W / M
BASINS. � �
5. FINISH FILL SLOPES. COMPACT FILL AREAS TO PROJECT �` 3 ) ) I I I f
SPECIFICATIONS AND FOLLOW 7—DAY STABILIZATION % i 5 3 CE501/( I III
REQUIREMENTS. C 501 TEMP. DRAINAGE e J N I I
—DITCH (TDD-4)
6. INSTALL PADS, WALKS, PARKING LOT ABC, ETC. & WATTLE.
7. ONCE BUILDING CONSTRUCTION IS COMPLETE AND ROOF,
DRAINS HAVE BEEN INSTALLED, THE CONTRACTOR°'—
CE501 ° / Gam.-- ------ — — = I -
SHALL INSPECT INFILTRATION TRENCHES AND STORM l — e �'� �`'°� I I �
PIPES FOR CONSTRUCTION SEDIMENT AND CLEAN OUT —� �� "'���T_ ° I <C
SYSTEM.
y 7f f /
8. PERMANENTLY VEGETATE THE SITE AS SHOWN PER O
LANDSCAPE PLAN AND SEED SPECIFICATIONS. TEMP. DRAINAGE \ r' f r J it
9. SILT FENCE MUST REMAIN INSTALLED AND FUNCTIONING DITCH (TDD-5). %
PROPERLY UNTIL THE LIMITS OF CONSTRUCTION HAVE �� //j—t \`� �/— �—/ / r — 23�5
BEEN PERMANENTLY STABILIZED. — g _ ! ! I (I
° — f / \\ r _ 2.5J T I s
10. ONCE THE SITE IS STABILIZED, ESTABLISH FINAL /— ` ��� \ r / z� r w; m
BOTTOM ELEVATIONS OF THE INFILTRATION BASINS. ( T
ENSURE THAT EXCAVATION OF THE INFILTRATION / ° / \ _ 3 c ---_ — I f I
BASINS DOES NOT COMPACT/OVEREXCAVATE THE ° ° ° 234 / sw — ° I I
BOTTOM SOILS OF THE BASINS. f k� Z� °�//� Q�4 s' \ J 235 __ // 245 i sw `sw s* 23g \ ! I
° 2 �� 23 / : v A° 9 I vv W
_ — — 231 —2ro1 —� 240 ° \ ! I \ Mi
CE501 23z 233 z4ti I sw —\
AS HALT
SEDIMENT BASIN (SB-3)
LENGTH=140 X WIDTH=30 8 f ! I i �► a r za1 \ \ \ °
TOP EL.=236.50
BOTTOM EL.=234.70 1 — — t
7 DAY VEGETATIVE STABIUZAl10N FOR SLOPES \
SEE TABLE THIS SHEET AND SEED SPECIFlCATIONS 2nz 24\\ ° �� (/^\}
� � N �■ �� #. z_ a'TN ,ram. a>"x;�r I ? \ \ � I , I V C2
Y 1240 —
tiJ N ( / I *- �--f._'- ❑JJI � ,?+'+'". a.r' r F e ,�\ e., r "°+i" (�� i \ I
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T RY LANE
A
GROUND STABILIZATION CRITERIA
STABIUZATIDN TIMEFRAME
SITE AREA DESCRIPTION
STABILIZATION TIMEFRAME
EXCEPTIONS
PERIMETER DIKES, SWALES,
7 DAYS
NONE
DITCHES AND SLOPES
HIGH QUALITY WATER ZONES
7 DAYS
NONE
IF SLOPES ARE 10 FT OR LESS
IN IN LENGTH AND ARE NOT
SLOPES STEEPER THAN 3:1
7 DAYS
STEEPER THAN 2:1, 14 DAYS
ARE ALLOWED
SLOPES 3:1 OR FLATTER
14 DAYS
7 DAYS FOR SLOPES GREATER
THAN 50 FT IN LENGTH
ALL OTHER AREAS WITH
NONE (EXCEPT FOR PERIMETERS
SLOPES FLATTER THAN 4:1
14 DAYS
AND HDW ZONES)
t CIV
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( /CON
z BC r �$' 1
n
g14A A 8 CE501C0
CE501
3 CONSTRUCTION I r
ENTRANCE-1 IExrSr�INNC
1
CONSTRUCTION H4E4x4I
COMM C Q
ENTRANCE-2 I DUCT SANK MH 4 z c
REVISED TO MATCH o m w
PROPOSED DRIVEWAY
30' 0 30' 60'
SCALE: 1"= 0� (Horiz.)
US ARMY CORPS
OF ENGINEERS
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PLATE
REFERENCE
NUMBER
CE102
SHEET 6 of 12

STORM DRAINAGE NOTES: SPOT GRADE LEGEND
1. STORM PIPE SHALL BE HIGH DENSITY POLYETHYLENE PIPE (HDPE) CORRUGATED DUAL -WALL SMOOTH INTERIOR IN X 246.00
ACCORDANCE TO AASHTO M252 AND M294 UNLESS OTHERWISE APPROVED BY CONTRACTING OFFICER. EB EDGE OF BUILDING
X 240.00
2. HDPE STORM PIPE JOINTS AND WALL PENETRATIONS SHALL BE SEALED WITH BUTYL RUBBER JOINT SEALANT EP EDGE OF PAVEMENT
CONFORMING TO THE REQUIREMENTS OF ASTM C990, OR MORTAR AS PER NCDOT REQUIREMENTS OR BOTH. X 241.5
SW SIDEWALK
3. STORM CATCH BASIN STRUCTURES ARE NOTED AS "CB #" AND SHALL BE SUBMITTED TO ACCOMMODATE FRAME AND X 238.90 PAVEMENT GRADE
GRATES CONFORMING TO NCDOT STD. 840.03. FRAMES MUST BE MARKED WITH FORT BRAGG DPW-WMB MEDALLION, PV
"DRAINS TO STREAMS."
X 241.0 rc/ec TOP OF CURB (BACK OF CURB)
4. STORM DROP INLET STRUCTURES ARE NOTED AS "DI #" AND SHALL BE SUBMITTED TO ACCOMMODATE FRAME AND X 240.87 EXISTING GRADE
GRATES CONFORMING TO NCDOT STD. 840.16. FRAMES MUST BE MARKED WITH FORT BRAGG DPW-WMB MEDALLION, EX. GRD
"DRAINS TO STREAMS." X DCL 50 DITCH CENTERLINE
5. STORM INLINE DRAIN CLEANOUTS ARE NOTED AS "ID C/O-#" AND SHALL FOLLOW DETAILS AS INDICATED. X 240.50 TOP OF PAD ELEVATION
6. STORM PIPE LENGTHS AND SLOPES SHOWN ARE APPROXIMATE. STORM PIPES SHALL BE LAID ON STRAIGHT ALIGNMENTS
AND UNIFORM GRADES.
7 ry
7. CONFORM TO EROSION CONTROL PLAN STAGE 2, SHEET CE102, IN REFERENCE TO STORM INLET PROTECTIONS AND
INFILTRATION PIPE SYSTEMS DURING CONSTRUCTION TO REDUCE SEDIMENT CLOGGING AND ENSURE INFILTRATION OF
IN -SITU SOILS.
u
0
cf
501 __-_-i I
235 - �,� I I CN5 1 i s
3 ' J/i \ / / / / 237 237 INFILTRATION BASIN
/� (IB-1)
234 235
235
235 234 238
_j_-�2ao -- --_ 237
- 228� - �- ! i / a - - 231- 232 - / O 507G HDPE (Cq
233 r i ?40 INV OUT=233.30 I i I ► I
/ l - _ - _
- 228 -- - - - 234 i sw w _ - - - 238 - - CB-11 --s 230 232 231 J 245 , SW sw 23 RIM=238.50
CB 4 - - - -
RIM=24 235- _ / / t' m / G 8 ►t.-+' 9 .00 \ INV IN=237.50
INV OUT=235.50 INV OUT=233.50 i
-- 231----= 231 - 235 ! _ ' ---- :. 41.00 L .'
e: 242.00EP
55 240 _W \
\/ a '^ .. ..:.;° �- ----- --- �\ 40.00
ti 242.0
- s RIM=245.80, k \ /
1. 2 �24i -1J " INV OUT=241.00... - 243. D
EP ( } 1
CN501 ri /r ♦ x:�'s'x�� 243. �\ 1.00239.80 �\
to
INFILTRATION BASIN t 2 .00 / /� �1(I 245.
() _ _ _ �•y - �h �� \ \ \ \ / ( i '
/ O / f �� O
ro o 0� �FO
/I
1240- I /
CB-3 , .� la a°,5 ae"p„aA np€`sr t`"' * a w. "cm" S" "`° 44. \ `CB-10
I = / RIM=239.50 / 240.9 Pa 4.
C o a - - \) RIM=�44.60
\ 1
/ x INV IN=241.40 (10-)
/ INV IN=234.60 (E) EP DI-5 Sr b 244.Mir
N n / i INV IN=236.50 (SE) i / 4 RIM=244.70 _ x a w EP SW \ \
INV IN=234.60 \ \ INV IN=241.40 15 i
a (� INV OUT=238.50 y^ �m , - - _ _ _ \ B .00 INV OU7=240.00 (15')
CE501 N '$ INV OUT=233.80 /i 15• Y1DPE O 1.45% 1 t ca° -
N j . / 138 / " 244 \ \ a2 1
rmi l; 40.00
23 LF 15" HDPE O 0.50X - j B / / / lb 45. v e 4'00 V A 1
INV OUT=233.70
49 LF 15" HDPE ! ry t • 24 .50 _ \
EP
245.00
.azr.,�.. .u..a;? 245.50
-246.RIM=24050236.00 8r465.000INV OUT
v 0 A �1P
4�
\ O 43 LF 15" HDPE
O 2.1 OX
- fl CB-1
-Z a' RIM-239.90
\ INV OUT=236.90 / /
1 / 224&44
� AD
PA °
PA51
?39.2 \.
�..7? '•-�'� II .EX. PV L
\
5 \
EX 11
N
241.,00lip
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/ t
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.50
i I ( xsx
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241.50 f/OPf 201. ,� 2'�x` ,
/ / 21/lc
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00 241. E� f tO 0 83R
=-►4 -- 6 W --- - 46
ss ss \ 245 S _
- -
.240.17 L O.54 ,r L 241. �7 243 L 42. 92 -� � P
EP X Pv / ( EX. jPV ji EX S$!- 1. PV it A `J F', A i_.
j \E\P i f _ it / EP
BC _ 4 z -- BC
LID C/0-6 L ID C/0-7
RIM=245.00 RIM=245.90
INV OUT=240.30 INV OUT=242.00
2 2
CN501 9
e \
SW
247
it
ry ryhD
/ ry DI-9 r
! RIM=244.95 / N
INV OUT=2� 25,E
GAS - -GAS_
ROTARY LANE
( I
00 \ \ rs \
BC
00
c
DIUy
v9�
248.�0\
.!• 248.54 - t - -\ - - 248.6 \ 1_247....
EX PV EX. PEX PI( I ° . •. o./ ° `.. '
D I.
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/CON,
NEC EXISTING A kw T I 0-U/y
MH4E7 4x4" COMM NLC Q Lij m
DUCT BANK MH4E4 g
App Documents
Con ti n accord:--nce w.i these documents is
Fred b the stormwater permit North Carolina
30, 0 30, 60'
SCALE: 1"=30' (Horiz.)
requ y
rules require that the stormwater system designer
Inspect during constructioncertify conformity with the
plans and specs: and certity compliance with the
stormwater r les. (15A NCAC 2H .1008 (I) )
Permitft V� !O 2, Date_,#�&,�'
by
Sheet # (/ /D/ Revision Dete14• ZO) fi
AS[
9
US ARMY CORPS
OF ENGINEERS
SAVANNAH
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PLATE
REFERENCE
NUMBER
CG101
SHEET 7 of 12

FOR OFFICIAL USE ONLY
NOTES:
I. CONTRACTOR SHALL ADJUST ALL VALVE BOXES, MANHOLES, AND
OTHER STRUCTURES AS REQUIRED TO MATCH FINAL GRADES.
ADJUST EXISTING HANDHOLE TO MATCH
FINAL GRADE AS REQUIRED (TYP)
5001
5003 CONTROL. POINT
CONTROL POINT REBAR
PK NAIL N= 498493.37'
N= 498543.14' E=2013332.70'
E=2013463.17' EL= 230,49'
EL= 230,71'
Y-- - SS
am
_SS (GiS)---- -�
TOP=231,19'
INV=217.3' W
0
TOP OF RIPRAP ELEVATION SHALL MATCH
TOP OF EXISTING SANITARY SEWER
MANHOLE ELEVATION AROUND AND WITHIN TOP=229.84'
3' OF MANHOLE. INV=226.2'
TOP=229.09`
INV=225.7'
UNKNOb PIPE
I RIPRAP OUTLET PROTECTION UNKNOW ESTINATION -_
C 3 C 7 230 0'
T EX WATER VA WE TO MATCH 30 4'! $
VOLUME PROVIDED
*VOLUME
"APPROX
TOP OF
TOP OFIMPERVIOUS
BIO-SWALE #
SURFACE
DEPTH OF VOLUME
**INFILTRATION
PROVIDED BY
TOTAL
SHWT
BOTTOM
OVERFLOW
EMBANKMENT
AREA
PONDING PONDING
RATE
INFILTRATION
VOLUME
ELEVATION
OF BASIN
SPILLWAY
PONDING
AREA
(SF)
(FT) (CF)
(IN/HR)
(CF)
(CF)
(FT)
(FT)
(FT)
(FT)
(SF)
1
4,569
1.30 7,055
12.70
9,671
16,726
225.50
226.50
227.80
228.50
45,825
2
3,588
1.80 8,233
13.30
7,953
16,186
224.00
225.00
226.80
227.50
52,925
3
1 3,821
1.80 8,7491
7.20
4,585
13,334
1 223.00
224.00
225.80
226.50
54,624
4
3,112
2.80 15,065
1 2.70
1,400
16,466
1 221.25
222.50
225.30
226.00
65,601
TOTAL 39,102
23,610
82,712
218,978
E=2013447.54'
EL=
229.41'
230.5'
230'3
*Adjustment to the total volumeto account for the volume of
-HdC -
_provided
water which exfiltrates out the bottom of the bio-swale during the period of time required
___-
RAMP PATCH
to fill the bio-swale is as follows:
230Z
229.6'
..- L_ _._
Volume = Infiltration Rate (ft/hr) * Filling Time (hrs.) * Surface Area of bio-swale 1
TIE TO EXISTING GRADE FINAL GRADE AS REQUIRED (TYP) NCRETE APRttl t ; T Use Filling Time = 2 hours
231.2'
ADJUST EX. WATER VALVE TO MATCH: pEW"�L _ - - -22�` -- A Based on observation from the geotechnical engineer I
FINAL GRADE AS REQUIRED (TYP) 231 6' j = rt229 ,,jj SHWT= Seasonal High Water Table - I
o� t 39.3' . _._ ASPHALT APRON } {ONUS)- _ \:.
231.1' R `���_`� 225 5' - 225.5' , �` Impervl ating -
230.0` t . 239.4 2 f 2 8. �.� f i • +l 1 229.2'
J 50 __ ._
.= -228' �ous Area Tre 218,976 sf
229.9,HP , \ �� +22 . y _ _
8 5, Water Quality Volume Required 31,538 cf
�p 231.5` 12" tN { 230 229.85 1 } t Water Quality Volume Provided 39,102 cf
_ - 1 :t
1 t� ✓ I \ ' 1 ca • Volume 1-Yr Required 48,055 cf
t y ` l� - / t t CONC. EROSION 7 )1 1 228.9 Volume 1-Yr Pro�ndin 62,712 cf
230�32.00 39.4' 1231-229.27' 1INV=225AU t i { ) 9
GATE ', i sa fro � � 231 � � _ - `..- PRtQTECTION t i, 1 )
12" yU {ON>US) - INV=298.4E I _ APRON (TYP.) J 1 tip
231.3' - INV WEST IS
229.3' i 231,0 230.25
_ TE �� ,�~-"""'�"�` 231.85 � � ,. PLUGGED S EL PIPE WITH
\GA 2�� r LANCE PROTRUDWG ! J • 1 ! 1 \�?
�--- taQ / _ 32 / 231.40 + 228.5' tiL°D FROM SURFACE � -t. (11t 1l cA
TOP=231.10' ti . +228.6
FULL OF SILT - -
221.2' TOP OF I ( 232.15 j_
xSEDIMENT 2265
\HP 229.3'ISENTRY--
POST
232.35 +231.7`
231,1'
228.3'
r ! • ti 5464
TOP=230.15' ! r + 22T 5
INV=226.4'24" R�GF�'` �\ + A CONTROL POINT
40d NAIL
tomla N= 497601.40'
/ I a E=2013236.05'
/ �r ✓ J' _ _ I ! 1 I -a t' EL= 228,27'
Cn
(` - 1 1
100
TOP=230.37 t b 1 f ' r i --
INV=227,0' '' - - - - 227.E +
231.5" cn
1
227.5'
.:y +229.3' �� 2� CONTROL POINT t! `Lti$ ti21 20' WIDE SPILLV \AY
�t } 40d/VAIL t +226.1' 26.0` +
231.9 ` 8.8 t 1,1 1 TOP=225.80'
i N- 498224.99' INV=
E= 013076.83' t 15' WIDE SPILLWAY X - /! 1y I Ca INV=221.8'
EL= 228,10` 1 5501 I T/ 221.9 222.
1 CONTROL POINT
- 224.0
ti 1 -5002 - I \,15' WIDE SPILLWAY 0d / l- 1 ) 227.3'
CONTROf POI �� 0 X _ RCP „'.
40d AIL EL= 22 6' _ 1 r - __ STOP
N=t 984 .44 15' WIDE SPILLWAY 225�91.8' 225'
1 I E-1201 229�6' 2 +
_ _ _ _ 227.1
I
- 226.4 +2
rQ 27.5X
w i 226.5X �J _ -Y __ _ - y0_ =`�2270'
c3 230, 7 I \ - - _ X� - X
ti
227.
I _
TOP=229.31 ` _ �N+�. 227.4' TIN226.6'
INV=224.4` 228.5 _ �_ _ .-5' 0
_ - V1 7 3 STOR WATER MANA(
22 2. PROPOSED 2 'I
k
/ a - - _ _ _ - _ - - sir t 226.5' 27.0 #
TOP=229.49'.' J i r = 224 6 ' �� )- - _ - - - `' - _ =�_ �� f _ ` C3 9 BIO-$WALE 4 5005
WV=224.3' r I / - _ -_ - - SPHALT R _
228.1' qq
e = - _ - - { 227 1CONTROL POINT
SPIKE
4"
r24", f _� 228 9" /a) TOP=226.31' TOP=226.41' N= 4975 3.91'
TOP=228.16' 227.7' INV=222.2' INV=222.4' N N E=201300T49'
„ 2� , 0 28,1 EL= 226, 74
STOP`' O t + 2287' 2Z. ,.._ X cxi,
5004------- -------T 2� INSTALL GEOTEXTILE LINER AND o �? INSTALL GEOTEXTILE LINER AND
CONTROL POINT 230.4,Q ¢ CLASS B RIPRAP MIN. 25 FT. FUEL FACILITY net
12"SPIKE x) ' 2290` ' ,- CLASS B RIPRAP MIN. 30 FT.
230.6' +230,8' TOP=22709' WIDE IN SPILLWAY AND DOWN CONCRETE APRON ram-- t= WIDE IN SPILLWAY AND DOWN
N= 498490.79' Ts
E=2012924.91' TOP=230.74' INV=224.3` TOP=22725' EMBANKMENT. TIE TO EXISTING 3 PROPOSED STORMWATER MANAGEMENT a
BOTTOM OF DITCH (TYP. OF 3) # EMBANKMENT. TIE TO EXISTING
EL= 230.38' +230 2' 239 2' INV=224.6' C3 9 BIO-SWALE 3 CONCRETE.
+230.6' 3 PROPOSED STORMWATER MANAGEMENT � FOR OFFICIAL USE ONLY
c)
C3 9 810-SWALE "2 _U v SEAL:
3 ), PROPOSED STOR
M BIO-SWALE °1
w
J
L�
Z 1 GRADING & DRAINAGE PLAN
C3 C3 I'=40'
PLAN NORTH
WV=219.56' INV=219.67'
Approved Stormwater Permilt Documents
Construction in accordance with these documents is
required by the stormwater permit North Carolina
rules require that the stormwater system designer
Inspect during construction:; certify conformity with the
plans and specs: and certify compliance with the
stormwater rules (15A NCAC 211. 1 UUU(1))
Permit#,5W(nI -1 62-Date 17-1• ZDlT
T by %%7 NC Division of Water Quality
Sheet #_C3 Revision Datejf 20 •201 If
40 0 40 80 120
GRAPHIC SCALE
CAD FILE NAME AND OR NUMBER,

FOR OFFICIAL USE ONLY
PROTECT SPILLWAY
WITH FILTER FABRIC
AND RIP -RAP
INV=222.50
5' MIN.��
PILLWA I' FREEBOARD
P�GEOTEXTILE �-
��� . FABRIC ?ice
- 9
. ` 4' PVC
RETRIEVAL
ROPE
SKIMMER (SEE DETAIL 2,
/ THIS SHEET)
INV=223.00
ROSS SECTION
LINE SPILLWAY WITH
IMPERMEABLE
GEOTEXTILE FABRIC
40' MIN.
SPILLWAY DETAIL
CONSTRUCTION SPECIFICATIONS:
I. CLEAR, GRUB, AND STRIP THE AREA UNDER THE EMBANKMENT OF ALL VEGETATION AND
ROOT MAT. REMOVE ALL SURFACE SOIL CONTAINING HIGH AMOUNTS OF ORGANIC
MATTER AND STOCKPILE OR DISPOSE OF IT PROPERLY. HAUL ALL OBJECTIONABLE
MATERIAL TO THE DESIGNATED DISPOSAL AREA. PLACE TEMPORARY SEDIMENT CONTROL
MEASURES BELOW BASIN AS NEEDED.
2.ENSURE THAT FILL MATERIAL FOR THE EMBANKMENT IS FREE OF ROOTS, WOODY
VEGETATION, ORGANIC MATTER, AND OTHER OBJECTIONABLE MATERIAL. PLACE THE FILL
IN LIFTS NOT TO EXCEED 9 INCHES, AND MACHINE COMPACT IT. OVER FILL THE
EMBANKMENT 6 INCHES TO ALLOW FOR SETTLEMENT.
3.SHAPE THE BASIN TO THE SPECIFIED DIMENSIONS. PREVENT THE SKIMMING DEVICE
FROM SETTLING INTO THE MUD BY EXCAVATING A SHALLOW PIT UNDER THE SKIMMER
OR PROVIDING A LOW SUPPORT UNDER THE SKIMMER OF STONE OR TIMBER.
4.PLACE THE BARREL (TYPICALLY 4-INCH SCHEDULE 40 PVC) ON A FIRM, SMOOTH
FOUNDATION OF IMPERVIOUS SOIL. DO NOT USE PERVIOUS MATERIAL SUCH AS SAND,
GRAVEL, OR CRUSHED STONE AS BACKFILL AROUND THE PIPE. PLACE THE FILL
MATERIAL AROUND THE PIPE SPILLWAY IN 4-INCH LAYERS AND COMPACT IT UNDER AND
AROUND THE PIPE TO AT LEAST THE SAME DENSITY AS THE ADJACENT EMBANKMENT.
CARE MUST BE TAKEN NOT TO RAISE THE PIPE FROM THE FIRM CONTACT WITH ITS
FOUNDATION WHEN COMPACTING UNDER THE PIPE HAUNCHES.
PLACE A MINIMUM DEPTH OF 2 FEET OF COMPACTED BACKFILL OVER THE PIPE
SPILLWAY BEFORE CROSSING IT WITH CONSTRUCTION EQUIPMENT. IN NO CASE SHOULD
THE PIPE CONDUIT BE INSTALLED BY CUTTING A TRENCH THROUGH THE DAM AFTER
THE EMBANKMENT IS COMPLETE.
5.ASSEMBLE THE SKIMMER FOLLOWING THE MANUFACTURER'S INSTRUCTIONS, OR AS
DESIGNED.
6.LAY THE
ASSEMBLED SKIMMER ON THE
BOTTOM OF
THE BASIN WITH THE FLEXIBLE
JOINT AT
THE INLET OF
THE BARREL.
ATTACH THE
FLEXIBLE JOINT TO THE BARREL
PIPE AND
POSITION THE
SKIMMER OVER
THE EXCAVATED PIT OR SUPPORT. BE SURE
TO ATTACH A ROPE TO
THE SKIMMER
AND ANCHOR
IT TO THE SIDE OF THE BASIN.
THIS WILL
BE USED TO
PULL THE SKIMMER TO THE
SIDE FOR MAINTENANCE.
7.EARTHEN SPILLWAYS - INSTALL THE SPILLWAY IN UNDISTURBED SOIL TO THE
GREATEST EXTENT POSSIBLE. THE ACHIEVEMENT OF PLANNED ELEVATIONS, GRADE,
DESIGN WIDTH, AND ENTRANCE AND EXIT CHANNEL SLOPES ARE CRITICAL TO THE
SUCCESSFUL OPERATION OF THE SPILLWAY. THE SPILLWAY SHOULD BE LINED WITH
LAMINATED PLASTIC OR IMPERMEABLE GEOTEXTILE FABRIC. THE FABRIC MUST BE WIDE
ENOUGH AND LONG ENOUGH TO COVER THE BOTTOM AND SIDES AND EXTEND ONTO
THE TOP OF THE DAM FOR ANCHORING IN A TRENCH. THE EDGES MAY BE SECURED
WITH 8-INCH STAPLES OR PINS. THE FABRIC MUST BE LONG ENOUGH TO EXTEND
DOWN THE SLOPE AND EXIT ONTO STABLE GROUND. THE WIDTH OF THE FABRIC MUST
BE ONE PIECE, NOT JOINED OR SPLICED; OTHERWISE WATER CAN GET UNDER THE
FABRIC. IF THE LENGTH OF THE FABRIC IS INSUFFICIENT FOR THE ENTIRE LENGTH OF
THE SPILLWAY, MULTIPLE SECTIONS, SPANNING THE COMPLETE WIDTH, MAY BE USED.
THE UPPER SECTION(S) SHOULD OVERLAP THE LOWER SECTION(S) SO THAT WATER
CANNOT FLOW UNDER THE FABRIC. SECURE THE UPPER EDGE AND SIDES OF THE
FABRIC IN A TRENCH WITH STAPLES OR PINS.
8.INLETS - DISCHARGE WATER INTO THE BASIN IN A MANNER TO PREVENT EROSION. USE
TEMPORARY SLOPE DRAINS OR DIVERSIONS WITH OUTLET PROTECTION TO DIVERT
SEDIMENT -LADEN WATER TO THE UPPER END OF THE POOL AREA TO IMPROVE BASIN
TRAP EFFICIENCY.
1800
CU FT
/ACRE
BAFFLES (TYP. 3), SEE DETAIL
3 ON SHEET C8
INFLOW
P
TOP OF EMBANKMENT
DITCH AND BURY
GEOTEXTILE FABRIC EDGE
(MIN. 12' OF FABRIC)
CONSTRUCTION SPECIFICATIONS (CONT.):
9. EROSION CONTROL - CONSTRUCT THE STRUCTURE SO THAT THE
DISTURBED AREA IS MINIMIZED. DIVERT SURFACE WATER AWAY FROM
BARE AREAS. COMPLETE THE EMBANKMENT BEFORE THE AREA IS
CLEARED. STABILIZE THE EMERGENCY SPILLWAY EMBANKMENT AND ALL
OTHER DISTURBED AREAS ABOVE THE CREST OF THE PRINCIPAL
SPILLWAY IMMEDIATELY AFTER CONSTRUCTION.
10. INSTALL POROUS BAFFLES AS SPECIFIED.
II. AFTER ALL THE SEDIMENT -PRODUCING AREAS HAVE BEEN PERMANENTLY
STABILIZED, REMOVE THE STRUCTURE AND ALL THE UNSTABLE SEDIMENT.
SMOOTH THE AREA TO BLEND WITH THE ADJOINING AREAS AND
STABILIZE PROPERLY.
MAINTENANCE:
INSPECT SKIMMER SEDIMENT BASINS AT LEAST WEEKLY AND AFTER
EACH SIGNIFICANT (ONE-HALF INCH OR GREATER) RAINFALL EVENT AND
REPAIR IMMEDIATELY. REMOVE SEDIMENT AND RESTORE THE BASIN TO
ITS ORIGINAL DIMENSIONS WHEN SEDIMENT ACCUMULATES TO ONE-HALF
THE HEIGHT OF THE FIRST BAFFLE. PULL THE SKIMMER TO ONE SIDE
SO THAT THE SEDIMENT UNDERNEATH IT CAN BE EXCAVATED.
EXCAVATE THE SEDIMENT FROM THE ENTIRE BASIN, NOT JUST AROUND
THE SKIMMER OR THE FIRST CELL. MAKE SURE VEGETATION GROWING
IN THE BOTTOM OF THE BASIN DOES NOT HOLD DOWN THE SKIMMER.
REPAIR THE BAFFLES IF THEY ARE DAMAGED. RE -ANCHOR THE
BAFFLES IF WATER IS FLOWING UNDERNEATH OR AROUND THEM.
IF THE SKIMMER IS CLOGGED WITH TRASH AND THERE IS WATER IN
THE BASIN, USUALLY JERKING ON THE ROPE WILL MAKE THE SKIMMER
BOB UP AND DOWN AND DISLODGE THE DEBRIS AND RESTORE FLOW.
IF THIS DOES NOT WORK, PULL THE SKIMMER OVER TO THE SIDE OF
THE BASIN AND REMOVE THE DEBRIS. ALSO CHECK THE ORIFICE
INSIDE THE SKIMMER TO SEE IF IT IS CLOGGED; IF SO REMOVE THE
DEBRIS.
IF THE SKIMMER ARM OR BARREL PIPE IS CLOGGED, THE ORIFICE CAN
BE REMOVED AND THE OBSTRUCTION CLEARED WITH A PLUMBER'S
SNAKE OR BY FLUSHING WITH WATER. BE SURE TO REPLACE THE
ORIFICE BEFORE REPOSITIONING THE SKIMMER.
CHECK THE FABRIC LINED SPILLWAY FOR DAMAGE AND MAKE ANY
REQUIRED REPAIRS WITH FABRIC THAT SPANS THE FULL WIDTH OF
THE SPILLWAY. CHECK THE EMBANKMENT, SPILLWAYS, AND OUTLET
FOR EROSION DAMAGE, AND INSPECT THE EMBANKMENT FOR PIPING
AND SETTLEMENT. MAKE ALL NECESSARY REPAIRS IMMEDIATELY.
REMOVE ALL TRASH AND OTHER DEBRIS FROM THE SKIMMER AND
POOL AREAS.
FREEZING WEATHER CAN RESULT IN ICE FORMING IN THE BASIN. SOME
SPECIAL PRECAUTIONS SHOULD BE TAKEN IN THE WINTER TO
PREVENT THE SKIMMER FROM PLUGGIN WITH ICE.
1 l SKIMMER SEDIMENT BASIN
NOT TO SCALE
VV I {-L I ,-I\V• VVI\I\LV I IVI\
TO 40OUTLET PIPE. PROVIDE 4' SKIMMER WITH 2Y2' ORIFICE.
2 1 SKIMMER DETAIL
3791 NOT TO SCALE
4' MIN. CLEAN SAND MIN
THE NATIVE q,
PARKING SOIL IS EQUIVALENT II^--yl
AREA (1-2% FINES OR LESS).
(MAX)II BIO-SWALE I 15'/20' WIDE
3 BOTTOM JI (MAX)
3 SIILLWAY
(SEE PLAN)
I' MIN. 80MIN. UNDISTURBED IN -SITU
SOIL (K= 0.52'/HR. MIN.) _ _ _ _ SHWT
NOTE: REFER TO GRADING PLAN FOR THE
SHWT = SEASONAL HIGH WATER TABLE GRADING INFORMATION ALONG THE TOP OF
THE BIO-SWALE.
MAINTENANCE:
1 1 LINE SPILLWAY 3
WITH RIPRAP,
EXTEND MIN. 3'
ALONG EMBANKMENT
FILTER FABRIC`�L,s,�,�9L,,�,,,
THE DRAINAGE AREA SHALL BE CAREFULLY MANAGED TO REDUCE THE SEDIMENT LOAD TO THE
BIO-SWALE.
IMMEDIATELY AFTER THE BIO-SWALE IS ESTABLISHED, THE VEGETATION SHALL BE WATERED TWICE
WEEKLY IF NEEDED UNTIL THE PLANTS BECOME ESTABLISHED (COMMONLY SIX WEEKS).
NO PORTION OF THE BIO-SWALE IS TO BE FERTILIZED AFTER THE INITIAL FERTILIZATION THAT IS
REQUIRED TO ESTABLISH THE VEGETATION.
THE VEGETATION IN AND AROUND THE BASIN SHALL BE MAINTAINED AT A HEIGHT OF
APPROXIMATELY SIX INCHES.
AFTER THE BIO-SWALE IS ESTABLISHED, IT SHALL BE INSPECTED ONCE A QUARTER AND WITHIN 24
HOURS AFTER EVERY STORM EVENT GREATER THAN 1.0 INCHES (OR 1.5 INCHES IF IN A COASTAL
COUNTY). RECORDS OF INSPECTION AND MAINTENANCE SHALL BE KEPT IN A KNOWN SET LOCATION
AND SHALL BE AVAILABLE UPON REQUEST.
STORM WATER MANAGEMENT BIO-SWALE (#1, 2, 3, & 4
NOT TO SCALE
-�iT:Z�T�yI
Y
)UGH DOOR
aT
15'/20'
WIDE SPILLWAY LENGTH
(SEE PLAN)
SPILLWAY DETAIL
Approves tint :t rev= rF wtt 066ur7e13111s
Construction in acnordnnce with these documents is
required by the stormwater permit. North Carolina
rules require that the stormwater system designer
inspect during construction, certify conformity with the
plans and specs: and certify compliance with the
stormwater rules (15A NCAC 2H 1008 Q) )
Permit #.S6d6 f / Z C Z- Date /Z i- T 2L) 51
•�/?..�G�/ NC Division of Water Quality
Sheet # ____Revision Date 11 •ZO •W15(
TOP OF
EMBANKMENT
DITCH AND BURY
FILTER FABRIC EDGE
(MIN. 12' OF FABRIC)
CAD FILE NAME AND DR NUMBER: