A2 - WH_CG_EI_FY25-FY29_Mowing_SOW_Reference_Drawings_240404_reduced.pdf
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- Attached to
- Eagle Island Mowing Services
- Solicitation number
- W912PM24Q0033
About this file
This document is a Statement of Work (SOW) for a federal contract opportunity issued by the U.S. Army Corps of Engineers Engineering District Wilmington for mowing services at the Eagle Island Dredged Material Placement Facility (DMPF).
The Contractor will be required to provide all labor, transportation, equipment, materials, and services to mow approximately 202 acres of dikes containing Cells 1, 2, and 3, and the cross dikes 1-2 and 2-3 at the Eagle Island DMPF. An organized site visit is scheduled for July 30, 2024, and quotes are due by August 17, 2024 at 3:00 PM Eastern Time. Award will be made to the lowest priced technically acceptable offer. Offerors must submit both a Price Quote and a Technical Proposal electronically. This is an Unrestricted procurement under NAICS code 561730 with a $9,500,000 size standard.
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Text version
AWARD DATE: 20 MAY 2021
US Army Corps of Engineers ®
CONTRACT NO.: W912PM21C0007
SOLICITATION NO.: W912PM21B0024
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EAGLE ISLAND CONFINED DISPOSAL
FACILITY IMPROVEMENTS FOR CELL 1
BRUNSWICK COUNTY, NORTH CAROLINA
Wilmington District
G-001
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0002 - 09 FEB 2021
AMENDMENTS:
0001 - 29 JAN 2021
0003 - 12 FEB 2021
Approval Recommended: *
Approved: *
DATE
DATECHIEF, ENGINEERING BRANCH
* THIS PROJECT WAS DESIGNED BY THE U.S. ARMY CORPS OF ENGINEERS,
WILMINGTON DISTRICT. INDIVIDUALS WHOSE SIGNATURES AND REGISTRATION
DESIGNATIONS APPEAR ON THESE DOCUMENTS ARE OPERATING WITHIN THE
SCOPE OF THEIR EMPLOYMENT. SIGNATURES ARE REQUIRED BY ER 1110-1-8152.
CHIEF, DESIGN and GENERAL ENGINEERING SECTION
SIGNATURES AFFIXED BELOW INDICATE OFFICIAL RECOMMENDATION
AND APPROVAL OF ALL DRAWINGS IN THIS SET AS INDEXED ON SHEET GI01.
1-21-2021
1-21-2021
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1. FOR GENERAL NOTES SEE SHEET GI02.
2. CONTOURS SHOWN REPRESENT THE RESULTS OF SURVEYS PERFORMED ON
4 NOVEMBER 2018 (COINCIDENTAL AERIAL LIDAR AND IMAGERY DATA) AND 31
OCTOBER - 16 NOVEMBER 2018 FOR CONTROL PANELS, SPILLWAY LOCATIONS
AND CROSS SECTIONS. THE SURVEYS WERE PERFORMED USING NC RTKN
(VRS) NETWORK CONTROL. CONTOURS ARE SHOWN IN 2-FT INTERVALS.
3. THE CONTRACTOR SHALL CLEAR AREAS WITHIN THE FOOTPRINT OF
CONSTRUCTION. SEE SECTION 31 11 00.10, CLEARING AND
GRUBBING, OF THE SPECIFICATIONS FOR ADDITIONAL CLEARING
REQUIREMENTS.
4. THE CONTRACTOR SHALL DIG SUMPS AT SPILLWAYS AS REQUIRED FOR
DEWATERING AND CONTROL OF WATER. THE SUMP BOTTOM AT EACH SPILLWAY
SHALL NOT EXCEED THE TOP ELEVATION OF THE SPILLWAY FOUNDATION.
5. BORROW AREAS SHALL BE GRADED TO PROVIDE POSITIVE DRAINAGE
TOWARDS THE SPILLWAYS. AFTER ALL BORROW AREA ACTIVITIES ARE COMPLETE,
THE CONTRACTOR SHALL EXCAVATE A NEW PERIMETER DITCH AND REESTABLISH
ALL EAST-WEST PARALLEL DITCHES TO FLOW TO THE NEW PERIMETER DITCH.
THE NEW PERIMETER DITCH SHALL FLOW TO THE SPILLWAYS. THE CONTRACTOR
SHALL CONSTRUCT A CONNECTION DITCH TO EACH SPILLWAY FROM THE
PERIMETER DITCHES. CONTRACTOR SHALL SUBMIT SURVEY OF DITCHES
EVIDENCING POSITIVE DRAINAGE HAS BEEN ESTABLISHED.
NOTES:
SCALE IN FEET
0300 300 600 900
SCALE: 1" = 300'
EAGLE ISLAND CELL 1
CAPE FEAR RIVER
BRUNSWICK RIVER
6. FOR MORE INFORMATION REGARDING EXISTING DITCHES AND DITCH
CONSTRUCTION SEE REFERENCE DRAWINGS R-1 & R-2.
7. ALL MATERIAL REMOVED FROM THE DITCHES SHALL BE PLACED IN PILES
ALONG THE SIDE OF EACH DITCH AS SHOWN IN TYPICAL DITCH SECTIONS
AND LAYOUTS. PILES SHALL BE NO CLOSER THAN 10' FROM EACH OTHER.
8. DITCHES SHALL BE CONSTRUCTED NO CLOSER THAN 150' FROM THE INSIDE
TOE OF THE PROPOSED STEP-IN.
9. DUE TO THE SOFT, WET CONDITIONS THAT EXIST INSIDE CELL 1, THE
CONTRACTOR SHOULD ANTICIPATE MAKING SEVERAL PASSES WITH HIS
EQUIPMENT TO ACHIEVE THE TYPICAL DITCH SECTION. PONDED WATER
MAY BE ENCOUNTERED THROUGHOUT CELL 1.
10. THE CONTRACTOR SHALL OPERATE SPILLWAYS AS NECESSARY TO REMOVE
WATER. ALL DISCHARGE OF WATER INTO THE BRUNSWICK RIVER AND
CAPE FEAR RIVER SHALL MEET NC STATE WATER QUALITY STANDARDS.
11. EXISTING SPILLWAY 1 IS TO BE DEMOLISHED AND NEW SPILLWAY 1
CONSTRUCTED AT NEW LOCATION AS SHOWN. SEE SHEET CN103 FOR
MORE INFORMATION.
SHEET CN102
SHEET CN104MATCHLINE SHEET CN103 MATCHLINE SHEET CN104SHEET CN103
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4 CELL 2
EXTERIOR TOE BERM
EXTERIOR TOE BERM
EXTERIOR TOE BERM
INTERIOR STEP-IN & DIKE RAISE
INTERIOR STEP-IN & DIKE RAISE
EXISTING DIKE CENTERLINE ALIGNMENT
BORROW AREA LIMITS (TYP.)
PROPOSED SPILLWAY 1
PROPOSED SPILLWAY 2
PROPOSED SPILLWAY 3
SURVEY CONTROL POINT PANEL 6
N: 163,572.35 E: 2,314,580.07
ELEV: 39.80'
SURVEY CONTROL POINT PANEL 8
N: 161,118.52
E: 2,314,287.61
ELEV: 40.06'
SURVEY CONTROL POINT PANEL 7
N: 161,421.93 E: 2,312,753.58
ELEV: 39.76'
SURVEY CONTROL POINT PANEL 5
N: 164,929.49 E: 2,312,337.29
ELEV: 40.76'
SURVEY CONTROL POINT PANEL 10
N: 166,689.81 E: 2,313,021.05
ELEV: 35.75'
LIMITS OF SURVEY (TYP.)
LIMITS OF SURVEY (TYP.) EXISTING SILT FENCE (TYP.)
LEGEND
SURVEY CONTROL POINT
EXISTING SPILLWAY 1
(TO BE RELOCATED)
12. THE CONTRACTOR SHALL PREPARE A DRAINAGE PLAN FOR APPROVAL BY
THE CONTRACTING OFFICER AND/OR CONTRACTING OFFICER'S
REPRESENTATIVE. CONTRACTOR WILL CONDUCT CONSTRUCTION OPERATIONS
IN ACCORDANCE WITH THE APPROVED DRAINAGE PLAN.
13. MATERIAL FOR DIKE CONSTRUCTION SHALL BE OBTAINED FROM WITHIN CELL 1. NO
EXCAVATION FOR BORROW MATERIAL WILL BE ALLOWED WITHIN 150 FEET OF THE
TOE OF CROSS DIKE 1-2 WITHIN CELL 1 OR WITHIN 150 FEET OF THE PROPOSED TOE
OF THE STEP-IN FOR THE DIKE RAISE WITHIN CELL 1.
14. THE CONTRACTOR SHALL SEED AND MULCH ALL DISTURBED AREAS IN ACCORDANCE
WITH SECTION 32 92 19 OF THE SPECIFICATIONS. SEE TYPICAL SECTIONS ON SHEET
CN301 FOR SEEDING AND MULCHING LIMITS.
15. THE CONTRACTOR SHALL CONSTRUCT IMPROVEMENTS TO THE DIKE EMBANKMENT,
INCLUDING STEP-INS, DIKE RAISE, AND TOE BERM CONSTRUCTION, IN ACCORDANCE
WITH SECTION 31 01 00 OF THE SPECIFICATIONS.
16. NEW REINFORCED SILT FENCE SHALL BE INSTALLED AT 5' MINIMUM DISTANCE FROM
TOE OF PROPOSED EXTERIOR TOE BERMS.
17. PROPOSED SPILLWAY OUTFALL PIPES SHALL HAVE 1 FOOT MINIMUM COVER THROUGH
DIKE EMBANKMENT AND EXTERIOR TOE BERM. IF MINIMUM COVER CANNOT BE
PROVIDED BY FOLLOWING TYPICAL SECTION DESIGNS, SUFFICIENT COVER SHALL BE
ADDED TO MEET THIS REQUIREMENT.
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PROPOSED SILT FENCE(TYP.)
EXISTING SPILLWAY 2
EXISTING SPILLWAY 3
AutoCAD SHX Text N
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DISTANCE ALONG CENTERLINE IN FEET
SCALE IN FEET
HORIZONTAL SCALE: 1" = 200'
200 200 400 600
VERTICAL SCALE: 1" = 10'
10 10 20 30
CELL 1
C E L L 1
C A P E F E A R R I V E R
TOP OF EXISTING DIKETOP OF PROPOSED DIKE - EL. 46.0'
15 10 5
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1.
2.
3.
4.
NOTES:
SEE SHEETS GI02 AND CN101 FOR GENERAL AND SITE PLAN NOTES.
CONTROL POINTS ARE NOTED ON SHEET CN101.
SEE SHEET CN301 FOR TYPICAL SECTIONS.
SEE SHEETS CN303 TO CN307 FOR CROSS SECTIONS OF AREAS
ON THIS SHEET.
MATCHLINE SEE SHEET CN104
EXTERIOR TOE BERM
SEE TYPICAL SECTION 3
ON SHEET CN301
INTERIOR STEP-IN & DIKE RAISE
SEE TYPICAL SECTION 1
ON SHEET CN301
INTERIOR STEP-IN & DIKE RAISE
SEE TYPICAL SECTION 1
ON SHEET CN301
INTERIOR STEP-IN & DIKE RAISE
SEE SHEETS CN103 & CN104
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BORROW AREA LIMITS
150' FROM PROPOSED
TOE OF STEP-IN
LIMITS OF SURVEY (TYP.)
EXISTING SILT FENCE (TYP.)
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TOP OF BERM
100' WIDE PROPOSED
REINFORCED SILT
FENCE
PI Sta.113+22.6 N 160609.1 E 2313494.5 T= 113.8' R= 225.0' Dc= 25°27'53.2" Lc=210.7'
PI Sta.119+07.1 N 160844.3 E 2312941.0 T= 111.5' R= 400.0' Dc= 14°19'26.2" Lc=217.5'
PI Sta.121+35.1 N 161033.7 E 2312804.3 T= 98.6' R= 475.0' Dc= 12°03'44.2" Lc=194.4'
PI Sta.125+00.0 N 161392.7 E 2312725.5 T= 63.5' R= 100.0' Dc= 57°17'44.8" Lc=113.2'
PI Sta.137+50.5 N 162529.2 E 2313035.3 T= 210.4' R= 850.0' Dc= 6°44'26.4" Lc=412.5'
PI Sta.142+31.6 N 162963.2 E 2312809.4 T= 28.5' R= 1000.0' Dc= 5°43'46.5" Lc=56.9'
PI Sta.128+70.5 N 161626.9 E 2313030.3 T= 159.1' R= 325.0' Dc= 17°37'46.1" Lc=295.8'
PI Sta.149+57.6 N 163587.2 E 2312438.2 T= 250.1' R= 1200.0' Dc= 4°46'28.7" Lc=493.1'
5 10 15
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C E L L 1
PI Sta.100+01.9 N 161476.4 E 2314343.7 T= 124.4' R= 1000.0' Dc= 5°43'46.5" Lc=247.4'
PI Sta.103+56.7 N 161122.2 E 2314308.1 T= 45.6' R= 150.0' Dc= 38°11'49.9" Lc=88.6'
PI Sta.104+85.3 N 161021.0 E 2314224.5 T= 39.4' R= 200.0' Dc= 28°38'52.4" Lc=77.8'
PI Sta.108+84.3 N 160832.5 E 2313871.7 T= 32.9' R= 1500.0' Dc= 3°49'11.0" Lc=65.8'
45 40
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BRUNSWICK RIVER
SCALE IN FEET
HORIZONTAL SCALE: 1" = 200'
200 400 600
VERTICAL SCALE: 1" = 10'
10 20 30
130+00 135+00 140+00 145+00 150+00 155+00
95+00100+00105+00110+00115+00120+00125+00
125+00
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DISTANCE ALONG CENTERLINE IN FEET
DISTANCE ALONG CENTERLINE IN FEET
SCALE IN FEET
HORIZONTAL SCALE: 1" = 200'
200 200 400 600
VERTICAL SCALE: 1" = 10'
10 10 20 30
NOTES:
CELL 1
CELL 1
TOP OF EXISTING DIKE
TOP OF EXISTING DIKE
TOP OF PROPOSED DIKE - EL. 46.0'
TOP OF PROPOSED DIKE - EL. 46.0'
SEE SHEETS CN101 & CN102 FOR GENERAL NOTES.
SEE SHEET CN101 FOR CONTROL POINTS.
SEE SHEETS CN301 & CN302 FOR TYPICAL SECTIONS.
SEE SHEETS CN307 THRU CN312 FOR CROSS SECTIONS
OF PROPOSED WORK ON THIS SHEET.
1.
2.
3.
4.
MATCHLINE SEE SHEET CN102
EXTERIOR TOE BERM
SEE TYPICAL SECTION
ON SHEET CN301
INTERIOR STEP-IN & DIKE RAISE
SEE TYPICAL SECTION 2
ON SHEET CN301
INTERIOR STEP-IN & DIKE RAISE
SEE TYPICAL SECTION 1
ON SHEET CN301
INTERIOR STEP-IN & DIKE RAISE
SEE TYPICAL SECTION 1
ON SHEET CN301
M
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SH
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CAPE FEAR RIVER
STA. 103+94
EXISTING SPILLWAY 1
TO BE REMOVED
STA. 118+37 INSTALL SPILLWAY 1
SEE SHEETS S101 AND
DETAIL SHEETS S501 to S508
STA. 153+05
INSTALL SPILLWAY 2
SEE PROFILE SHEET S102 AND
DETAIL SHEETS S501 to S508
BORROW AREA LIMIT
150' FROM PROPOSED
TOE OF STEP-IN
EXISTING SILT FENCE (TYP.)
LIMITS OF SURVEY (TYP.)
TOP OF BERM
85' WIDE
TOP OF BERM
TRANSITION
FROM 85' TO 55'
WIDE
TOP OF BERM
55' WIDE
PROPOSED REINFORCED
SILT FENCE (TYP.)
STA. 151+29
EXISTING SPILLWAY 2
TO BE REMOVED
PI Sta.156+64.7 N 164295.7 E 2312348.5 T= 112.8' R= 1000.0' Dc= 5°43'46.5" Lc=224.6'
PI Sta.167+82.7 N 165379.3 E 2312180.2 T= 42.5' R= 1000.0' Dc= 5°43'46.5" Lc=84.9'
PI Sta.169+05.0 N 165497.3 E 2312147.5 T= 34.4' R= 1000.0' Dc= 5°43'46.5" Lc=68.7'
PI Sta.170+76.5 N 165665.3 E 2312113.2 T= 66.0' R= 175.0' Dc= 32°44'25.6" Lc=126.2'
PI Sta.172+28.6 N 165802.4 E 2312191.7 T= 24.6' R= 100.0' Dc= 57°17'44.8" Lc=48.3'
PI Sta.173+79.8 N 165884.3 E 2312319.8 T= 64.5' R= 175.0' Dc= 32°44'25.6" Lc=123.6'
PI Sta.161+65.0 N 164794.5 E 2312398.0 T= 181.2' R= 775.0' Dc= 7°23'34.8" Lc=355.9'
155 15
C E L L 1 C E L L 2
PI Sta.182+77.4 N 166782.4 E 2312364.5 T= 23.3' R= 250.0' Dc= 22°55'05.9" Lc=46.5'
PI Sta.174+97.8 N 166002.3 E 2312355.8 T= 43.0' R= 300.0' Dc= 19°05'54.9" Lc=85.4'
40 45
45 40
40 45
45 40 35
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BRUNSWICK RIVER
SCALE IN FEET
HORIZONTAL SCALE: 1" = 200'
200 400 600
VERTICAL SCALE: 1" = 10'
10 20 30
SCALE IN FEET
HORIZONTAL SCALE: 1" = 200'
200 400 600
VERTICAL SCALE: 1" = 10'
10 10 20 30
155+00 160+00 165+00 170+00 175+00 180+00 183+34
EL
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DISTANCE ALONG CENTERLINE IN FEET
EL
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F
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SCALE IN FEET
0200 200 400 600
10 10 20 30
1.
2.
3.
4.
5.
NOTES:
CELL 1
TOP OF EXISTING DIKETOP OF PROPOSED DIKE - EL. 46.0'
SEE SHEETS GI02 & CN101 FOR GENERAL NOTES.
SEE SHEET CN101 FOR CONTROL POINTS.
SEE SHEETS CN301 & CN302 FOR TYPICAL SECTIONS.
SEE SHEETS CN312 THRU CN314 FOR CROSS SECTIONS.
EXISTING SPILLWAYS 2 & 3 HAVE BEEN PARTIALLY
DEMOLISHED AND ABANDONED. ALL OF THE SPILLWAY
AND RELATED INFRASTRUCTURE IS TO BE DEMOLISHED.
NO RE-USE OF EXISTING MATERIALS SHALL BE ALLOWED.
EXTERIOR TOE BERM
SEE TYPICAL SECTION
ON SHEET CN301
INTERIOR STEP-IN & DIKE RAISE
SEE TYPICAL SECTION 1
ON SHEET CN301
LIMIT OF SURVEY (TYP.)
M
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BORROW AREA LIMITS
150' FROM PROPOSED
TOE OF STEP-IN AND
TOE OF CELL 1-2
CROSSDIKE CAPE FEAR RIVER
STA. 153+05
INSTALL SPILLWAY 2
SEE PROFILE SHEET S101
SEE DETAIL SHEETS S501- S508
STA. 168+05
INSTALL SPILLWAY 3
SEE PROFILE SHEET S102
SEE DETAIL SHEETS S501- S508
MATCHLINE SEE SHEET CN102
C
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TOP OF BERM
TRANSITION
FROM 85' TO 55'
WIDE
TOP OF BERM
55' WIDE
PROPOSED REINFORCED
SILT FENCE (TYP.)
STA. 151+29
REMOVE EXISTING
SPILLWAY 2
STA. 171+31
REMOVE EXISTING
SPILLWAY 3
AutoCAD SHX Text N
TYPICAL SECTION CELL 1 EXTERIOR TOE BERMS
1%3
CELL 1
INTERIOR
EL. 15.0'
CLEAR, SEED
& MULCH
2'
N.T.S.
DETAIL 1
NOTE: GEOTEXTILE AT HIGHER
ELEVATION SHALL ALSO BE CUT
TO END 2' FROM FILL SLOPE.
N.T.S.
TYPICAL SECTION CELL 1 INTERIOR STEP-IN STA. 113+30 TO STA. 149+00
N.T.S.
TYPICAL SECTION CELL 1 INTERIOR STEP-IN STA. 46+00 TO
STA. 113+30 AND STA. 149+00 TO STA. 183+00
12" TO 18"
VARIES
BENCH EXISTING GROUND
BENCHING DETAIL
N.T.S.
SEE SHEETS
CN102 THRU
CN104
5.0' MIN
1' THICK FILL
NOTES
1. CELL 1 INTERIOR STEP-IN TO ELEVATION 46' SHALL
TRANSITON FROM A 125' OFFSET TO A 95' OFFSET
FROM STATIONS 112+00 TO 114+64 AND FROM A 95'
OFFSET TO A 125' OFFSET FROM STATIONS 146+50
TO 151+25.
2, SEE SHEETS GI02 AND CN101 FOR GENERAL NOTES.
THE WORK SITES WHERE THE CELL 1 EXTERIOR TOE BERMS ARE TO BE CONSTRUCTED ARE
IN AN AREA WHICH HAS SEMI-DIURNAL TIDES. PARTS OF THE TOE BERM WORK AREAS ARE
BELOW THE MEAN HIGH WATER LINE AND WILL BE INUNDATED WITH WATER PERIODICALLY.
PLACEMENT OF FILL BELOW MEAN HIGH WATER (1.83' NAVD88 CONTOUR) WILL BE
RESTRICTED TO THE PERIOD 1 AUGUST - 31 MARCH. ALL MEASURES TO REDUCE
EROSION AND TURBIDITY SHALL BE UTILIZED DURING CONSTRUCTION. PROVIDE
DETAILED NARRATIVE IN THE "WORK PLAN" SUBMITTAL OF THE PROPOSED FILL
PLACEMENT METHOD IN THIS EXTERIOR TOE BERM AREA.
ELEVATIONS FOR STATION 8658120, WILMINGTON, NC
MEAN HIGHER HIGH WATER (MHHW) 4.68'
MEAN HIGH WATER (MHW) 4.43'
NORTH AMERICAN VERTICAL DATUM-1988 (NAVD88) 2.60'
MEAN TIDE LEVEL (MTL) 2.29'
MEAN LOW WATER (MLW) 0.16'
MEAN LOWER LOW WATER (MLLW) 0.00'
NOTE: ALL VALUES ABOVE ARE RELATIVE TO MLLW
NEW
EXISTING DIKE
EXCAVATION
CLEAR, SEED AND MULCH
EXISTING
GROUND
BASELINE
44'
EL. 36'
95'
EL. 39'~2%
TEMPORARY
SILT FENCE
EL. 46' 1%
NEW GEOTEXTILE
ELEV VARIES SEE
TABLE 1.
EL. 35'
22'
EXISTING
DIKE
EXCAVATION
CLEAR, SEED AND MULCH
EXISTING
GROUND
BASELINE
44'
EL. 36'
EL. 39'~2%
TEMPORARY
SILT FENCE
EL. 46' 1%
NEW GEOTEXTILE -
ELEV. VARIES SEE TABLE 1.
22' 125'
TABLE 1: GEOTEXTILE ELEVATIONS
TOE BERM NOTES:
EXISTING
GROUND
NEW TOE
BERM
NEW
REINFORCED
SILT FENCE
BASELINEVARIES
SEE DETAIL 1
SEE DETAIL 1
EXISTING GROUND
FILL SLOPE
GEOTEXTILE
PROPOSED
DIKE RAISE
PROPOSED
STEP-IN
PROPOSED
DIKE RAISE
PROPOSED
STEP-IN
CN301
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 48+00
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 51+00
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 54+00
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55+00
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 56+00
-10
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 57+00
-10
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
46+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
EL. 15'
EXISTING GROUND (TYP.)
FINISHED
GRADE (TYP)
FINISHED GRADE (TYP)
OUTSIDE INSIDE
EXTERIOR TOE BERM
INTERIOR
STEP-IN
DIKE RAISE
EXISTING DIKE
REMOVAL
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4002000 100 Feet
Vertical Scale 1"=20'
80400 20
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 63+00
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 66+00
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67+00
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 68+00
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 69+00
-10
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
EL. 15'
EXISTING GROUND (TYP.)
FINISHED
GRADE (TYP)
FINISHED GRADE (TYP)
OUTSIDE INSIDE
EXTERIOR TOE BERM
INTERIOR
STEP-IN
DIKE RAISE
EXISTING DIKE
REMOVAL
FINISHED GRADE (TYP)
CN304
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80400 20
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73+00
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 74+00
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 75+00
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
76+00
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 77+00
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 78+00
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79+00
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 80+00
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 81+00
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0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
EL. 15'
EXISTING GROUND (TYP.)
FINISHED
GRADE (TYP)
FINISHED GRADE (TYP)
OUTSIDE INSIDE
EXTERIOR TOE BERM
INTERIOR
STEP-IN
DIKE RAISE
EXISTING DIKE
REMOVAL
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4002000 100 Feet
VERTICAL SCALE: 1" = 20'
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D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
O N
A
M
AR
K
SI
ZE
SU
BM
IT
TE
D B
Y:
D
AT
E
SO
LI
C
IT
AT
IO
N N
O
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
AW
AR
D D
AT
E:
SHEET ID
B
C
D
E
F
G
2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
E
AG
LE
IS
LA
N
D C
O N
FI
N
ED
D
IS
PO
SA
L
FA
C
IL
IT
Y
IM
PR
O
VE
M
EN
TS
F O
R C
EL
L
BR
U N
SW
IC
K C
O U
N
TY
, N O
R
TH
C
AR
O
LI
N A
U .S
.A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
W
IL
M
IN
G
TO
N D
IS
TR
IC
T
D
AR
LI
N G
TO
N
A
VE
N U
E W
IL
M
IN
G
TO
N
, N O
R
TH
C
AR
O
LI
N A
3 22 "X
S.
S
TE
LL
O
J.
M
IT
C
H
EL
L
D R
AW
IN
G C
O D
E:
W
H
-0
7-
J.
M
AN
N
IN
G
M
AY
W
2P M
C
K.
H
EC
KE
N D
O R
F
FI
LE
N
AM
E:
W
2P M
B0
CUI
CUI
C U
I
C U
I cr os s-se ct io ns .d
82+00
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 83+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 84+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
85+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 86+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 87+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
88+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 89+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 90+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
91+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 92+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 93+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
EXISTING GROUND (TYP.)
FINISHED GRADE (TYP)
OUTSIDE INSIDE
INTERIOR
STEP-IN
DIKE RAISE
EXISTING DIKE
REMOVAL
CN306
C
EL
L
IN
TE
R
IO
R S
TE
TE
R
IO
R
T O
E
BE
R M
C R
O
SS
S
EC
TI
O
N S
ST
A.
2+
T
O
3+
Feet
HORIZONTAL SCALE: 1" = 100'
4002000 100 Feet
VERTICAL SCALE: 1" = 20'
80400 20
C O
N
TR
AC
T
N O
D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
O N
A
M
AR
K
SI
ZE
SU
BM
IT
TE
D B
Y:
D
AT
E
SO
LI
C
IT
AT
IO
N N
O
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
AW
AR
D D
AT
E:
SHEET ID
B
C
D
E
F
G
2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
E
AG
LE
IS
LA
N
D C
O N
FI
N
ED
D
IS
PO
SA
L
FA
C
IL
IT
Y
IM
PR
O
VE
M
EN
TS
F O
R C
EL
L
BR
U N
SW
IC
K C
O U
N
TY
, N O
R
TH
C
AR
O
LI
N A
U .S
.A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
W
IL
M
IN
G
TO
N D
IS
TR
IC
T
D
AR
LI
N G
TO
N
A
VE
N U
E W
IL
M
IN
G
TO
N
, N O
R
TH
C
AR
O
LI
N A
3 22 "X
S.
S
TE
LL
O
J.
M
IT
C
H
EL
L
D R
AW
IN
G C
O D
E:
W
H
-0
7-
J.
M
AN
N
IN
G
M
AY
W
2P M
C
K.
H
EC
KE
N D
O R
F
FI
LE
N
AM
E:
W
2P M
B0
CUI
CUI
C U
I
C U
I cr os s-se ct io ns .d
94+00
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 95+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 96+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
97+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 98+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 99+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
100+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 101+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 102+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
103+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 104+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 105+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
EXISTING GROUND (TYP.)
FINISHED GRADE (TYP)
OUTSIDE INSIDE
INTERIOR
STEP-IN
DIKE RAISE
EXISTING DIKE
REMOVAL
CN307
C
EL
L
IN
TE
R
IO
R S
TE
TE
R
IO
R
T O
E
BE
R M
C R
O
SS
S
EC
TI
O
N S
ST
A.
4+
T
O
+0
Feet
HORIZONTAL SCALE: 1" = 100'
4002000 100
Feet
VERTICAL SCALE: 1" = 20'
80400 20
C O
N
TR
AC
T
N O
D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
O N
A
M
AR
K
SI
ZE
SU
BM
IT
TE
D B
Y:
D
AT
E
SO
LI
C
IT
AT
IO
N N
O
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
AW
AR
D D
AT
E:
SHEET ID
B
C
D
E
F
G
2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
E
AG
LE
IS
LA
N
D C
O N
FI
N
ED
D
IS
PO
SA
L
FA
C
IL
IT
Y
IM
PR
O
VE
M
EN
TS
F O
R C
EL
L
BR
U N
SW
IC
K C
O U
N
TY
, N O
R
TH
C
AR
O
LI
N A
U .S
.A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
W
IL
M
IN
G
TO
N D
IS
TR
IC
T
D
AR
LI
N G
TO
N
A
VE
N U
E W
IL
M
IN
G
TO
N
, N O
R
TH
C
AR
O
LI
N A
3 22 "X
S.
S
TE
LL
O
J.
M
IT
C
H
EL
L
D R
AW
IN
G C
O D
E:
W
H
-0
7-
J.
M
AN
N
IN
G
M
AY
W
2P M
C
K.
H
EC
KE
N D
O R
F
FI
LE
N
AM
E:
W
2P M
B0
CUI
CUI
C U
I
C U
I
106+00
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 107+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 108+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
109+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 110+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 111+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
112+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 113+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 114+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
115+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 116+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 117+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
EL. 15'
EXISTING GROUND (TYP.)
FINISHED
GRADE (TYP)
FINISHED GRADE (TYP)
OUTSIDE INSIDE
EXTERIOR TOE BERM
INTERIOR
STEP-IN
DIKE RAISE
EXISTING DIKE
REMOVAL
CN308
C
EL
L
IN
TE
R
IO
R S
TE
TE
R
IO
R
T O
E
BE
R M
C R
O
SS
S
EC
TI
O
N S
ST
A.
+0
TO
+0
Feet
HORIZONTAL SCALE: 1" = 100'
4002000 100
Feet
VERTICAL SCALE: 1" = 20'
80400 20
C O
N
TR
AC
T
N O
D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
O N
A
M
AR
K
SI
ZE
SU
BM
IT
TE
D B
Y:
D
AT
E
SO
LI
C
IT
AT
IO
N N
O
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
AW
AR
D D
AT
E:
SHEET ID
B
C
D
E
F
G
2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
E
AG
LE
IS
LA
N
D C
O N
FI
N
ED
D
IS
PO
SA
L
FA
C
IL
IT
Y
IM
PR
O
VE
M
EN
TS
F O
R C
EL
L
BR
U N
SW
IC
K C
O U
N
TY
, N O
R
TH
C
AR
O
LI
N A
U .S
.A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
W
IL
M
IN
G
TO
N D
IS
TR
IC
T
D
AR
LI
N G
TO
N
A
VE
N U
E W
IL
M
IN
G
TO
N
, N O
R
TH
C
AR
O
LI
N A
3 22 "X
S.
S
TE
LL
O
J.
M
IT
C
H
EL
L
D R
AW
IN
G C
O D
E:
W
H
-0
7-
J.
M
AN
N
IN
G
M
AY
W
2P M
C
K.
H
EC
KE
N D
O R
F
FI
LE
N
AM
E:
W
2P M
B0
CUI
CUI
C U
I
C U
I cr os s-se ct io ns .d
118+00
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 119+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 120+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
121+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 122+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 123+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
124+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 125+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 126+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
127+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 128+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 129+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
EL. 15'
EXISTING GROUND (TYP.)
FINISHED
GRADE (TYP)
FINISHED GRADE (TYP)
OUTSIDE INSIDE
EXTERIOR TOE BERM
INTERIOR
STEP-IN
DIKE RAISE
EXISTING DIKE
REMOVAL
CN309
C
EL
L
IN
TE
R
IO
R S
TE
TE
R
IO
R
T O
E
BE
R M
C R
O
SS
S
EC
TI
O
N S
ST
A.
+0
TO
+0
Feet
HORIZONTAL SCALE: 1" = 100'
4002000 100
Feet
VERTICAL SCALE: 1" = 20'
80400 20
C O
N
TR
AC
T
N O
D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
O N
A
M
AR
K
SI
ZE
SU
BM
IT
TE
D B
Y:
D
AT
E
SO
LI
C
IT
AT
IO
N N
O
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
AW
AR
D D
AT
E:
SHEET ID
B
C
D
E
F
G
2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
E
AG
LE
IS
LA
N
D C
O N
FI
N
ED
D
IS
PO
SA
L
FA
C
IL
IT
Y
IM
PR
O
VE
M
EN
TS
F O
R C
EL
L
BR
U N
SW
IC
K C
O U
N
TY
, N O
R
TH
C
AR
O
LI
N A
U .S
.A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
W
IL
M
IN
G
TO
N D
IS
TR
IC
T
D
AR
LI
N G
TO
N
A
VE
N U
E W
IL
M
IN
G
TO
N
, N O
R
TH
C
AR
O
LI
N A
3 22 "X
S.
S
TE
LL
O
J.
M
IT
C
H
EL
L
D R
AW
IN
G C
O D
E:
W
H
-0
7-
J.
M
AN
N
IN
G
M
AY
W
2P M
C
K.
H
EC
KE
N D
O R
F
FI
LE
N
AM
E:
W
2P M
B0
CUI
CUI
C U
I
C U
I cr os s-se ct io ns .d
130+00
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 131+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 132+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
133+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 134+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 135+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
136+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 137+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 138+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
139+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 140+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 141+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
EL. 15' EXISTING GROUND (TYP.)
FINISHED
GRADE (TYP)
FINISHED GRADE (TYP)
OUTSIDE INSIDE
EXTERIOR TOE BERM
INTERIOR
STEP-IN
DIKE RAISE
EXISTING DIKE
REMOVAL
CN310
C
EL
L
IN
TE
R
IO
R S
TE
TE
R
IO
R
T O
E
BE
R M
C R
O
SS
S
EC
TI
O
N S
ST
A.
+0
TO
+0
Feet
HORIZONTAL SCALE: 1" = 100'
4002000 100
Feet
VERTICAL SCALE: 1" = 20'
80400 20
C O
N
TR
AC
T
N O
D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
O N
A
M
AR
K
SI
ZE
SU
BM
IT
TE
D B
Y:
D
AT
E
SO
LI
C
IT
AT
IO
N N
O
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
AW
AR
D D
AT
E:
SHEET ID
B
C
D
E
F
G
2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
E
AG
LE
IS
LA
N
D C
O N
FI
N
ED
D
IS
PO
SA
L
FA
C
IL
IT
Y
IM
PR
O
VE
M
EN
TS
F O
R C
EL
L
BR
U N
SW
IC
K C
O U
N
TY
, N O
R
TH
C
AR
O
LI
N A
U .S
.A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
W
IL
M
IN
G
TO
N D
IS
TR
IC
T
D
AR
LI
N G
TO
N
A
VE
N U
E W
IL
M
IN
G
TO
N
, N O
R
TH
C
AR
O
LI
N A
3 22 "X
S.
S
TE
LL
O
J.
M
IT
C
H
EL
L
D R
AW
IN
G C
O D
E:
W
H
-0
7-
J.
M
AN
N
IN
G
M
AY
W
2P M
C
K.
H
EC
KE
N D
O R
F
FI
LE
N
AM
E:
W
2P M
B0
CUI
CUI
C U
I
C U
I
142+00
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 143+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 144+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
145+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 146+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 147+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
148+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 149+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 150+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
151+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 152+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 153+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
EL. 15' EXISTING GROUND (TYP.)
FINISHED
GRADE (TYP)
FINISHED GRADE (TYP)
OUTSIDE INSIDE
EXTERIOR TOE BERM
INTERIOR
STEP-IN
DIKE RAISE
EXISTING DIKE
REMOVAL
CN311
C
EL
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IN
TE
R
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R S
TE
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R
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R
T O
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BE
R M
C R
O
SS
S
EC
TI
O
N S
ST
A.
+0
TO
+0
Feet
HORIZONTAL SCALE: 1" = 100'
4002000 100
Feet
VERTICAL SCALE: 1" = 20'
80400 20
C O
N
TR
AC
T
N O
D
ES
IG
N
ED
B
Y:
D
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C R
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D B
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D
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N N
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D B
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D R
AW
N
B Y:
AW
AR
D D
AT
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SHEET ID
B
C
D
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F
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2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
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AG
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LA
N
D C
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N
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D
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PR
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M
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F O
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U N
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IC
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, N O
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N A
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.A R
M Y
C O
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M
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N D
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N G
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N U
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S
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M
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W
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7-
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M
AN
N
IN
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AY
W
2P M
C
K.
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EC
KE
N D
O R
F
FI
LE
N
AM
E:
W
2P M
B0
CUI
CUI
C U
I
C U
I cr os s-se ct io ns .d
154+00
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 155+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 156+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
157+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 158+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 159+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
160+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 161+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 162+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
163+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 164+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 165+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
EL. 15'
EXISTING GROUND (TYP.)
FINISHED
GRADE (TYP)
FINISHED GRADE (TYP)
OUTSIDE INSIDE
EXTERIOR TOE BERM
INTERIOR
STEP-IN
DIKE RAISE
EXISTING DIKE
REMOVAL
CN312
C
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L
IN
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R
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R S
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R
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R
T O
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BE
R M
C R
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SS
S
EC
TI
O
N S
ST
A.
+0
TO
+0
Feet
HORIZONTAL SCALE: 1' = 100'
4002000 100
Feet
VERTICAL SCALE: 1" = 20'
80400 20
C O
N
TR
AC
T
N O
D
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IG
N
ED
B
Y:
D
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C R
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D B
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D
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N N
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D B
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D R
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B Y:
AW
AR
D D
AT
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SHEET ID
B
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D
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F
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2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
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AG
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LA
N
D C
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FI
N
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PO
SA
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M
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F O
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IC
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, N O
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N A
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.A R
M Y
C O
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O F
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M
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N D
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N G
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N U
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M
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N D
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F
FI
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N
AM
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W
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B0
CUI
CUI
C U
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C U
I cr os s-se ct io ns .d
166+00
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 167+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 168+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
169+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 170+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 171+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
172+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 173+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 174+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
175+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 176+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 177+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
EL. 15'
EXISTING GROUND (TYP.)
FINISHED
GRADE (TYP)
FINISHED GRADE (TYP)
OUTSIDE INSIDE
EXTERIOR TOE BERM
INTERIOR
STEP-IN
DIKE RAISE
EXISTING DIKE
REMOVAL
CN313
C
EL
L
IN
TE
R
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R S
TE
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R
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R
T O
E
BE
R M
C R
O
SS
S
EC
TI
O
N S
ST
A.
+0
TO
+0
Feet
HORIZONTAL SCALE: 1" = 100'
4002000 100
Feet
VERTICAL SCALE: 1" = 20'
80400 20
C O
N
TR
AC
T
N O
D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
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A
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SU
BM
IT
TE
D B
Y:
D
AT
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SO
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C
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AT
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N N
O
C H
EC
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D B
Y:
D R
AW
N
B Y:
AW
AR
D D
AT
E:
SHEET ID
B
C
D
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F
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2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
E
AG
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IS
LA
N
D C
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N
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D
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PO
SA
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PR
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M
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F O
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BR
U N
SW
IC
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N
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, N O
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N A
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M Y
C O
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N U
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M
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W
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C
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N D
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F
FI
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N
AM
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W
2P M
B0
CUI
CUI
C U
I
C U
I cr os s-se ct io ns .d
178+00
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 179+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 180+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
181+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 182+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400 183+00
-10
-10
0 50 100 150 200 250 3000-50-100-150-200-250-300-350-400
EL. 15'
EXISTING GROUND (TYP.)
FINISHED
GRADE (TYP)
FINISHED GRADE (TYP)
OUTSIDE INSIDE
EXTERIOR TOE BERM
INTERIOR
STEP-IN
DIKE RAISE
EXISTING DIKE
REMOVAL
CN314
C
EL
L
IN
TE
R
IO
R S
TE
TE
R
IO
R
T O
E
BE
R M
C R
O
SS
S
EC
TI
O
N S
ST
A.
+0
TO
+0
Feet
HORIZONTAL SCALE: 1" = 100'
4002000 100
Feet
VERTICAL SCALE: 1" = 20'
80400 20
C O
N
TR
AC
T
N O
D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
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A
M
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K
SI
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SU
BM
IT
TE
D B
Y:
D
AT
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SO
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C
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AT
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N N
O
C H
EC
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D B
Y:
D R
AW
N
B Y:
AW
AR
D D
AT
E:
SHEET ID
B
C
D
E
F
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2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
E
AG
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IS
LA
N
D C
O N
FI
N
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D
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PO
SA
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M
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F O
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IC
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, N O
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N A
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M Y
C O
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M
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CUI
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I cr os s-se ct io ns .d
-10
0 50 100 150 200 250 300 3500-50-100-150-200-250-300-350-400-450-500-550
PROPOSED
BUMP OUT
NEW 5'x5'x1.5'
CONC. PAD
NEW GEOTEXTILE
(EL. 35.0)
NEW STEEL WALKWAY
NEW 4' STEEL
RISER SECTIONS
NEW 10'x15'x1'
CONC. PAD
EXISTING
GROUND 2
(max.)
NEW 30" OD HDPE PIPE
EL. 20.0'
NEW GEOTEXTILE
NEW 30" OD SDR 11 HDPE PIPE
NEW 4'x8'
STEEL RISER
NEW TIMBER FRAMES @ 8' MAX. SPANS
SUPPORTING HDPE PIPE
(APPROX. 317')
PROPOSED DIKE RAISE
CONNECT NEW HDPE PIPES IN ACCORDANCE
WITH MANUFACTURER'S RECOMMENDATION
CONTRACTOR TO PROVIDE 2' OF CAMBER (NOT SHOWN)
ST
A.
-0 +3
SELECT FILLFILTER SAND
NEW FOUNDATION
SEE SHEET S503 FOR DETAILS
EL. 48.0'
PIPE INVERT MIN. 2' ABOVE
M.H.W (+3.83' NAVD 88)
MAINTAIN MIN.
1' COVER
(EL. 29.0)
(TYPE S)
NOTES:
THE CONTRACTOR SHALL SUBMIT A DRAINAGE PLAN FOR APPROVAL PRIOR TO
DEMOLITION AND/OR CONSTRUCTION. DRAINAGE OPERATIONS AT SPILLWAYS
AND WITHIN THE PROJECT LIMITS SHALL FOLLOW THE APPROVED DRAINAGE
PLAN.
PRIOR TO EXCAVATION REQUIRED FOR REMOVAL OF THE EXISTING SPILLWAY
SYSTEMS, THE CONTRACTOR SHALL INSTALL A TEMPORARY COFFERDAM AT
EACH SPILLWAY TO PREVENT SEDIMENTATION FROM ESCAPING THE WORK
SITE INTO THE WETLANDS. THE TEMPORARY COFFERDAMS SHALL NOT BE
REMOVED UNTIL COMPLETION OF THE SPILLWAY PIPE AND RISER
INSTALLATION AND DIKE EMBANKMENT CLOSURE AND STABILIZATION AND
PERMANENT VEGETATION HAS BEEN RE-ESTABLISHED.
THE EXISTING 30-INCH DIAMETER STEEL REINFORCED POLYETHYLENE
PIPES AT SPILLWAYS 2 & 3 WITHIN THE DIKE EMBANKMENT SHALL BE
REMOVED AND DISPOSED OF IN ACCORDANCE WITH LOCAL, STATE AND F
EDERAL REGULATIONS.
REMOVE FRENCH DRAINS AT ALL EXISTING SPILLWAYS. SEE EXISTING
FRENCH DRAIN DETAIL ON THIS SHEET.
SIDE SLOPES FOR EXCAVATION OF EXISTING SPILLWAYS SHALL BE A
MINIMUM OF 3H:1V.
1.
2.
3.
4.
5.
FOR SPILLWAY PLAN, FOUNDATION AND ANCHOR DETAIL SEE SHEET S504.
FOR WALKWAY DETAILS SEE SHEETS S501 AND S507. FOR WALKWAY
CONCRETE PAD DETAIL SEE SHEET S501. FOR NEW 4' STEEL RISER
SECTION(S) SEE SHEET S505, S506 AND S508. FOR SPILLWAY GRATING
DETAILS SEE SHEET S507.
THE WALKWAY SUPPORTS SHALL COMPLY WITH THE DETAILS SHOWN ON
SHEETS S507 & S508. LENGTH OF W12 x 65 SHALL BE AS REQUIRED TO FIT
WALKWAY FLUSH WITH THE TOP OF SPILLWAY GRATING.CONTRACTOR
SHALL FURNISH AND INSTALL ADDITIONAL STEEL MEMBERS AS REQUIRED.
DIKE EMBANKMENT BUMP OUT WIDTH AND ELEVATION SHALL BE FIELD
ADJUSTED AS NECESSARY FOR WALKWAY TO SPAN TO THE SPILLWAY
RISER. DIKE EMBANKMENT BUMP OUT TO EXTEND HORIZONTALLY 10' EACH
SIDE OF WALKWAY. MAXIMUM SIDE SLOPES ARE 2H:1V.
ALL MATERIALS REMOVED AND DEMOLISHED SHALL BE DISPOSED OF OFF
OF GOVERNMENT PROPERTY.
6.
7.
8.
9.
N.T.S.
6" TYP.
GEOTEXTILE
2' - 3"
(TYP.)
SW / SP
2" TYP.
4" DIA.
CORRUGATED
PLASTIC
DRAIN
PIPE
NOTES:
PIPING CONSISTS OF 4" PERFORATED CORRUGATED
PLASTIC DRAIN PIPE WITH SOCK SLEEVE UP TO 10'
FROM WHERE DRAIN PIPE DAYLIGHTS OUT OF DIKE
EMBANKMENT.
4" SOLID CORRUGATED PLASTIC DRAIN PIPE
CONNECTS TO THE 4" PERFORATED PLASTIC DRAIN
PIPE AND EXTENDS THROUGH THE EMBANKMENT
10' DOWN SLOPE.
EXISTING FRENCH DRAIN DETAIL
EXISTING SPILLWAYS
30" PIPE
1.
2.
SPILLWAY 1 PROFILE Feet 1:480
160800 40 Feet
1:480
160800 40
C O
N
TR
AC
T
N O
D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
O N
A
M
AR
K
SI
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SU
BM
IT
TE
D B
Y:
D
AT
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SO
LI
C
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AT
IO
N N
O
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
AW
AR
D D
AT
E:
SHEET ID
B
C
D
E
F
G
2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
E
AG
LE
IS
LA
N
D C
O N
FI
N
ED
D
IS
PO
SA
L
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C
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Y
IM
PR
O
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M
EN
TS
F O
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EL
L
BR
U N
SW
IC
K C
O U
N
TY
, N O
R
TH
C
AR
O
LI
N A
U .S
.A R
M Y
C O
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PS
O F
EN
G
IN
EE
R S
W
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M
IN
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TO
N D
IS
TR
IC
T
D
AR
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N G
TO
N
A
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N U
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M
IN
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TO
N
, N O
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TH
C
AR
O
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N A
3 22 "X
S.
S
TE
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O
J.
M
IT
C
H
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L
D R
AW
IN
G C
O D
E:
W
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7-
J.
M
AN
N
IN
G
M
AY
W
2P M
C
K.
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EC
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N D
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F
FI
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N
AM
E:
W
2P M
B0
CUI
CUI
C U
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S101
SP
IL
LW
AY
N O
. 1 P
R O
FI
LE
A N
D N
O
TE
S
STA. 118+37
-10 -500 -450 -400 -350 -300 -250 -200 -150 -100 -50 0 50 100 150 200 250 300 350
-10
EI
_S
1_ sp illw ay
1_ pr of ile
.d w
-550
-10
0 50 100 150 200 250 300 3500-50-100-150-200-250-300-350-400-450-500-550-600-650-700
PROPOSED
BUMP OUT
RELOCATED
5'x5'x1.5'
CONC. PAD
NEW GEOTEXTILE
(EL. 35.0)
NEW STEEL WALKWAY
NEW 4' STEEL
RISER SECTIONS
10'x15'x1'
CONC. PAD
EXISTING
GROUND 2
(max.)
NEW 30" OD HDPE PIPE
EL. 23.0'
NEW GEOTEXTILE
NEW 30" OD SDR 11 HDPE PIPE
NEW
4'x8' STEEL
RISER
PROPOSED DIKE RAISE
CONNECT NEW HDPE PIPES IN
ACCORDANCE WITH MANUFACTURER'S
RECOMMENDATION
CONTRACTOR TO PROVIDE 2' OF CAMBER (NOT SHOWN)
ST
A.
-0 +2
SELECT FILLFILTER SAND
NEW FOUNDATION
SEE S503 FOR DETAILS
SEE SELECT FILL &
FILTER SAND DETAIL
ON SHEET CN302
PIPE INVERT MIN. 2' ABOVE
M.H.W (+3.83' NAVD 88)
NEW TIMBER FRAMES @ 8' MAX. SPANS
SUPPORTING HDPE PIPE (APPROX. 460')
EL. 47.0'
GRADE AREA AROUND PIPE UP
TO 12 OF THE PIPES DIAMETER
(TYPE S)
-10
-10
0 50 100 150 200 250 300 3500-50-100-150-200-250-300-350-400-450-500-550
PROPOSED
BUMP OUT
NEW 5'x5'x1.5'
CONC. PAD
NEW GEOTEXTILE
(EL. 34.0)
NEW STEEL WALKWAY
NEW 4' STEEL
RISER SECTIONS
10'x15'x1'
CONC. PAD
EXISTING
GROUND
(max.)
NEW 30" OD HDPE PIPE
EL. 25.0'
NEW GEOTEXTILE
NEW 30" OD SDR 11 HDPE PIPE
NEW
4'x8' STEEL
RISER
PROPOSED DIKE RAISE
CONNECT NEW HDPE PIPES
IN ACCORDANCE WITH
MANUFACTURER'S
RECOMMENDATION CONTRACTOR TO PROVIDE 2' OF CAMBER (NOT SHOWN)
ST
A.
-0 +1
SELECT FILLFILTER SAND
NEW FOUNDATION
SEE SHEET S503 FOR DETAILS
SEE SELECT FILL &
FILTER SAND DETAIL
ON SHEET CN302
(EL. 36.0)
NEW TIMBER FRAMES @ 8' MAX. SPANS
SUPPORTING HDPE PIPE (APPROX. 280')
PIPE INVERT MIN. 2' ABOVE
M.H.W (+3.83' NAVD 88)
EL. 45.0'
GRADE AREA AROUND PIPE UP
TO 12 OF THE PIPES DIAMETER
(TYPE S)
S102
SP
IL
LW
AY
S N
O . 2
N
O . 3
P R
O
FI
LE
SPILLWAY 3 PROFILE
Feet
1:480
160800 40 Feet
1:480
160800 40
C O
N
TR
AC
T
N O
D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
O N
A
M
AR
K
SI
ZE
SU
BM
IT
TE
D B
Y:
D
AT
E
SO
LI
C
IT
AT
IO
N N
O
C H
EC
KE
D B
Y:
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-10
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-10
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NOTE: FOR SPILLWAY CONSTRUCTION NOTES SEE SHEET S101.
-10 -450 -400 -350 -300 -250 -200 -150 -100 -50 0 50 100 150 200 250 300 350
-10
-10 -500 -450 -400 -350 -300 -250 -200 -150 -100 -50 0 50 100 150 200 250 300 350
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of Engineers
US Army Corps
Wilmington District
BRUNSWICK COUNTY, NORTH CAROLINA
G001
WILMINGTON HARBOR
FY19 EAGLE ISLAND DISPOSAL AREA IMPROVEMENTS
E I1
C e ll -2 -3
C o v e r.
d g n
IFB NO.: W912PM19B0009
CONTRACT NO.: W912PM19C0034
24 SEPTEMBER 2019
FOUO
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AMENDMENTS:
0001 - 23 JUL 2019
0002 - 10 AUG 2019
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Approval Recommended: *
Approved: *
DATE
DATE
AND APPROVAL OF ALL DRAWINGS IN THIS SET AS INDEXED ON THIS SHEET.
SIGNATURES AFFIXED BELOW INDICATE OFFICIAL RECOMMENDATION
CHIEF, ENGINEERING BRANCH
SCOPE OF THEIR EMPLOYMENT. SIGNATURES ARE REQUIRED BY ER 1110-1-8152.
DESIGNATIONS APPEAR ON THESE DOCUMENTS ARE OPERATING WITHIN THE
WILMINGTON DISTRICT. INDIVIDUALS WHOSE SIGNATURES AND REGISTRATION
* THIS PROJECT WAS DESIGNED BY THE U.S. ARMY CORPS OF ENGINEERS,
CHIEF, DESIGN and GENERAL ENGINEERING SECTION
21 JUNE 2019
21 JUNE 2019
CN104
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5+
CELL 2 BORROW AREA LIMITS
SEE SHEET S103
INV. EL. 11.6
SPILLWAY NO. 6
SPILLWAY NO. 7
2 - 3 EMBANKMENT (TYP.)
EXISTING CROSS DIKE
1 - 2 EMBANKMENT (TYP.)
EXISTING CROSS DIKE
WATER AT TIME OF SURVEY
NOT AVAILABLE DUE TO PONDED
SURVEY DATA AND CONTOURS
CELL 1
CELL 2
CELL 3
FENCE (TYP.)
EXISTING SILT
FENCE (TYP.)
EXISTING SILT
15+00
25+00
20+00
10+00
5+00
POB 0+00
30+00
35+00
40+00
45+00
50+00
C A
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SEE SHEET S101
INV. EL. 12.74
SPILLWAY NO. 4
SEE SHEET S102
INV. EL. 12.29
SPILLWAY NO. 5
SEE SHEET CN105
INTERIOR STEP-IN
CELL 2 WEST
SEE SHEET CN106
INTERIOR STEP-IN
CELL 2 EAST
SEE SHEET CN105
EXTERIOR TOE BERM
CELL 2 WEST
BASELINE (TYP.)
BASELINE (TYP.)
X
X
X
X
X
X
X
X X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
+00
+00
220+00
225+00
230+00
215+0
0+
5+
5+
180+00
175+00
POE 318+78
N
SCALE IN FEET
300 300 600
SCALE: 1" = 300'
TOE BERM CROSS SECTIONS.
WEST SIDE TOE BERM CROSS SECTIONS AND SHEETS CN307 THRU CN310 FOR EAST SIDE
SEE SHEETS CN105, CN106 AND CN301 FOR DETAILS. SEE SHEETS CN304 THRU CN306 FOR
FOR EXISTING SPILLWAY STRUCTURE DETAILS.
S501 AND S502 FOR SPILLWAY RISER DETAILS. SEE REFERENCE DRAWINGS R-1 THRU R-7
SEE SHEETS S101 THRU S103 FOR EXISTING SPILLWAYS 4, 5 AND 6 PROFILES AND SHEETS
01 57 19 OF THE SPECIFICATIONS.
MENTS OF THE WATER QUALITY CERTIFICATION PROVIDED AS ATTACHMENT 2 TO SECTION
ALL DISCHARGE OF WATER INTO THE BRUNSWICK RIVER SHALL COMPLY WITH THE REQUIRE-
THE CONTRACTOR SHALL OPERATE THE SPILLWAYS AS NECESSARY TO REMOVE WATER.
FOR ADDITIONAL NOTES SEE SHEET GI02.
(VRS) NETWORK CONTROL. CONTOURS ARE SHOWN IN 2-FT INTERVALS.
AND CROSS SECTIONS. THE SURVEYS WERE PERFORMED USING NC RTKN
OCTOBER - 16 NOVEMBER 2018 FOR CONTROL PANELS, SPILLWAY LOCATIONS
4 NOVEMBER 2018 (COINCIDENTAL AERIAL LIDAR AND IMAGERY DATA) AND 31
CONTOURS SHOWN REPRESENT THE RESULTS OF SURVEYS PERFORMED ON
VERTICAL DATUM NAVD 1988.
HORIZONTAL DATUM NAD 1983 (2011) EPOCH 2010.00.
NOTES:
7.
6.
5.
4.
3.
2.
1.
FEDERAL NAVIGATION CHANNEL
SEE SHEET CN106
EXTERIOR TOE BERM
CELL 2 EAST
SEE SHEET CN106
EXTERIOR TOE BERM
CELL 2 EAST
EXISTING SILT FENCE (TYP.)
HORIZONTAL SCALE: 1" = 200'
200 200 400 600
VERTICAL SCALE: 1" = 10'
10 10 20 30
SCALE IN FEET
CELL 2 WEST
DIKE EMBANKMENT
EXISTING CELL 2 WEST
INSIDE SLOPE INTERCEPT (TYP.)
OUTSIDE SLOPE INTERCEPT (TYP.)
OUTSIDE TOP EDGE OF INTERIOR STEP-IN (TYP.)
TOE OF 4H:1V SLOPE (TYP.)P
I1 .5
B R U N S W I C K R I V E R
N
CN105
P T .1
P C
.7
P I1
.7
P I1 .7
PI191+68.8
P I1
.3 P
I2 .8
P T .6
E 2312023.7
N 167234.0
PI Sta.188+88.3
C E L L 1
C E L L 2
C E L L 3
LIMITS
BORROW AREA
Lc=89.5'
R= 150.0'
T= 46.1'
E 2312383.4
N 166877.0
PI Sta.183+73.7
Lc=16.9'
R= 200.0'
T= 8.5'
E 2311789.9
N 167389.0
PI Sta.191+68.8
Lc=45.1'
R= 200.0'
T= 22.6'
E 2311422.7
N 167816.0
PI Sta.197+51.5
Lc=182.8'
R= 500.0'
T= 92.5'
E 2311284.1
N 167975.0
PI Sta.199+62.3
Lc=189.0'
R= 350.0'
T= 96.8'
E 2312325.9
N 167013.1
PI Sta.185+18.7
Lc=115.7'
R= 200.0'
T= 59.5'
E 2311593.9
N 167496.2
PI Sta.193+92.1
Lc=330.0'
R= 1200.0'
T= 166.0'
E 2310776.8
N 169323.6
PI Sta.214+01.1
Lc=48.2'
R= 1000.0'
T= 24.1'
E 2310707.2
N 169981.7
PI Sta.220+60.8
STA. 13+47.8 CROSS DIKE 1 - 2
STA. 183+34.0 CELL 2 =
SEE SHEET S101
SEE SHEET S102
SEE SHEET S103
STA. 37+60.1 CROSS DIKE 2 - 3
STA. 220+77.3 CELL 2 =
S T
A T
O S
T A
C E
L L W
E S
T S
IT
E P
L A
N p la n W e s t.
d g n
E I1
C N
C e ll
2 - 3 EMBANKMENT
EXISTING CROSS DIKE
1 - 2 EMBANKMENT
EXISTING CROSS DIKE
FENCE (TYP.)
EXISTING SILT
SLOPE INTERCEPT (TYP.)
EXISTING 10' CONTOUR
SPILLWAY No. 4 IMPROVEMENTS
SPILLWAY No.5 IMPROVEMENTS
SPILLWAY No.6 IMPROVEMENTS
P I 193+
92.1
NOTES
3H:1V SLOPE
OF TOE BERM (TYP.)
OUTSIDE TOP EDGE
INSIDE TOP EDGE OF INTERIOR STEP-IN (TYP.)
BASELINE (TYP.)
9.
8.
7.
6.
5.
4.
3.
2.
1.
TYPICAL SECTIONS ON SHEET CN301 FOR LIMITS OF SEEDING AND MULCHING.
STEP-IN AND EXTERIOR TOE BERM IN ACCORDANCE WITH THE SPECIFICATIONS. SEE
THE CONTRACTOR SHALL SEED AND MULCH THE CELL 2 DIKE EXCAVATION AREA,INTERIOR
CROSS SECTIONS.
SEE SHEET CN301 FOR TYPICAL SECTIONS. SEE SHEETS CN304, CN305 AND CN306 FOR
PIPES TO AVOID FILLING OVER THE PIPE AND TIMBER PIPE SUPPORT FRAMES.
THE CELL 2 EXTERIOR TOE BERM SHALL BE CONSTRUCTED AROUND THE SPILLWAY
BUT NOT ON THE EXISTING DIKE EMBANKMENT.
EXCAVATED MATERIAL MAY BE STOCKPILED WITHIN THE CELL 2 BORROW AREA LIMITS
DEFINED IN SECTION 31 01 00: DIKE EMBANKMENT OF THE SPECIFICATIONS.
IF THE MATERIAL MEETS THE REQUIREMENTS OF SATISFACTORY MATERIAL AS
MATERIAL EXCAVATED FROM THE DIKE MAY BE REUSED FOR BORROW MATERIAL
PUMPING MAY BE NEEDED TO SUPPLEMENT THE EXISTING DRAINAGE.
TO PROVIDE POSITIVE DRAINAGE TOWARD THE SPILLWAYS. DE-WATERING BY
MATERIAL OBTAINED FROM WITHIN CELL 2. BORROW AREAS SHALL BE GRADED
HANDLING PROCEDURES MAY BE NEEDED TO EXCAVATE, HAUL, AND PLACE
OF THE CELL 2 EAST AND WEST INTERIOR STEP-INS. SPECIAL EQUIPMENT AND
EMBANKMENT INSIDE TOE AND WITHIN 100 FEET OF THE PROPOSED INSIDE TOE
ALLOWED WITHIN 100 FEET OF THE CROSS DIKE 1-2 AND CROSS DIKE 2-3 DIKE
BE OBTAINED FROM WITHIN CELL 2. NO EXCAVATION FOR BORROW WILL BE
MATERIAL FOR THE CELL 2 INTERIOR STEP-IN AND EXTERIOR TOE BERM SHALL
SEE SHEET GI02 & CN104 FOR ADDITIONAL NOTES.
PHOTO DATED: 31 JANUARY 2019. COPYRIGHT 2019 DIGITAL GLOBE.
VERTICAL DATUM NAVD 1988.
HORIZONTAL DATUM NAD 1983 (2011) EPOCH 2010.00.
XX
X X
XX
X X
X X
X X
WATER CONTOUR
APPROX. MEAN HIGH
WATER C
ONTOUR
APP
ROX. M
EAN H
IGH
WATER CONTOUR (TYP.)
APPROX. MEAN HIGH
F
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W H
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-4
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190+00
P C .8
PT186+10.8
PI188+88.3
PC191+60.3
PT191+77.2
PC193+32.6
P T .3
P C .9
P T .9
P C .8
P T .7
P C .0
P T .0
P I2
.1
XX
X X
X X
X X
X X
X X
X X
XX
XX
X X
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
X
X…
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