A21 - EI22_Cell3_Improv_RTA_Plans_unlocked.pdf
PDF 14 MB Posted
- Attached to
- Eagle Island Cell 3 Improvements Federal contract opportunity
- Solicitation number
- W912PM22B0015
About this file
This document provides details on a federal contract opportunity issued by the U.S. Army Corps of Engineers, Wilmington District. The opportunity is for improvements to Cell 3 of the Government owned Eagle Island Confined Disposal Facility in Brunswick County, North Carolina. Work will include constructing toe berms along the existing dike, modifying spillways to include riser structure reconstruction and spillway pipe extensions, constructing an interior step-in along the inside toe of the existing dike which includes regrading and excavating a portion of the dike, and placing geotextile fabric. Additional work includes preload berm construction and monitoring, interior dredged material borrow, ditching, and water control including pumping and dewatering. The solicitation number is W912PM22B0015 and is a 100% small business set-aside with a contract value between $10-25 million to be awarded on a firm fixed price basis. The response deadline will be specified in the solicitation issued on or around July 1, 2022. The primary point of contact for any questions is the named Contract Specialist with the Army Corps of Engineers, Wilmington District.
View the file
Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| B1 - Eagle Island Cell 3 Bid Abstract_Signed.pdf | ||
| B1 - Bid Opening Attendance Sheet.pdf | ||
| A21 - W912PM22B0015 Amendment 2_Eagle Island Cell 3.pdf | ||
| A21 - W912PM22B0015 Amendment 2_Conformed Copy.pdf | ||
| A23 - EI Cell 3_Site Visit Sign in Sheet.pdf | ||
| A21- W912PM22B0015-0001 Eagle Island Cell 3 Amendment 1.pdf | ||
| A21 - W912PM22B0015 - Eagle Island Cell 3 Solicitation.pdf | ||
| A21 - EI22_Cell3_Improv_RTA_Plans_Locked.pdf | ||
| A21 - RTA2-Specs-EI-Cell3.pdf |
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Text version
ISSUE DATE: JUNE 2022
US Army Corps of Engineers ®
SOLICITATION NO.: W912PM22B0015
CONTRACT NO.: TBD
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EAGLE ISLAND CELL 3
BRUNSWICK COUNTY, NORTH CAROLINA
Wilmington District
G-001
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Approval Recommended: *
Approved: *
DATE
DATE
SIGNATURES AFFIXED BELOW INDICATE OFFICIAL RECOMMENDATION
CHIEF, 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
AND APPROVAL OF ALL DRAWINGS IN THIS SET AS INDEXED ON SHEET GI01.
24 JUNE 2022
27 JUNE 2022
Carolina Beach
Wrightsville Beach
Wilmington
Southport
Cap e F ea r R ive r
INDEX OF DRAWINGS
Sheet No. Title
PROJECT LOCATION
HYDEBEAUFORTPITT
EDGECOMBE
WASHINGTON TYRREL
DARE
PAMLICO
CRAVEN
JONES
ONSLOW
DUPLIN
PENDER
NEW
HA
NO
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BRUNSWICK
COLUMBUS
BLADEN
ROBESON
HOKE
M O
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LEE
CHATHAM
AL
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AS
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PERSON
ORANGE
DURHAM
WAKE
JOHNSTON
FRANKLIN
VANCE
WARREN
HALIFAX
NORTHAMPTON
HERTFORD
GATES
NASH
WILSON
SAMPSON
CUMBERLAND
CARTERET
G R
AN
VI
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PERQUIMANS
PASQUOTANK
CAMDEN
CURRITUCK
MARTIN
BERTIE
PAMLICO SOUND
ATLANTIC O
CEAN
GREENE
LENOIR
WAYNE
V I R G I N I A
S O U T H C A R O L I N A
HARNETT
Wilmington
Manteo
Elizabeth City
Cape Hatteras
Cape Lookout
Cape Fear
Rodanthe
PROJECT
Morehead City
Not To Scale
64201
SCALE IN MILES
PROJECT OVERVIEW
421 74 133 132117
TO I-40
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N E
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EAGLE ISLAND DISPOSAL AREA
INDEX OF DRAWINGS, PROJECT OVERVIEW AND LOCATION MAPS
EAGLE ISLAND DISPOSAL AREA LOCATION MAP
CELL 2 & 3 BORING LOCATIONS
SPILLWAY DEMOLITION AND EXCAVATION PLAN
OVERALL SITE PLAN
SPILLWAY 7 & 8 PRELOAD BERMS
CELL 3 SITE PLAN - WEST STA. 220+00 TO STA. 255+00
CELL 3 SITE PLAN - NORTHWEST STA. 255+00 TO STA. 269+00
CELL 3 SITE PLAN - NORTHEAST STA. 269+00 TO STA. 294+00
CELL 3 SITE PLAN - EAST STA. 294+00 TO STA. 318+78
SPILLWAY NO. 7 & NO. 8 PROFILES
TYPICAL SECTIONS EXTERIOR TOE BERMS
TYPICAL SECTIONS INTERIOR STEP-INS AND TOE BERMS STA. 221+00 to STA. 283+50
TYPICAL SECTIONS INTERIOR STEP-IN STA. 283+50 TO STA. 318+78
CELL 3 IMPROVEMENTS CROSS SECTIONS STA. 221+00 TO STA. 228+00
CELL 3 IMPROVEMENTS CROSS SECTIONS STA. 229+00 TO STA. 236+00
CELL 3 IMPROVEMENTS CROSS SECTIONS STA. 237+00 TO STA. 244+00
CELL 3 IMPROVEMENTS CROSS SECTIONS STA. 245+00 TO STA. 252+00
CELL 3 IMPROVEMENTS CROSS SECTIONS STA. 253+00 TO STA. 260+00
CELL 3 IMPROVEMENTS CROSS SECTIONS STA. 261+00 TO STA. 268+00
CELL 3 IMPROVEMENTS CROSS SECTIONS STA. 269+00 TO STA. 276+00
CELL 3 IMPROVEMENTS CROSS SECTIONS STA. 277+00 TO STA. 284+00
CELL 3 IMPROVEMENTS CROSS SECTIONS STA. 285+00 TO STA. 292+00
CELL 3 IMPROVEMENTS CROSS SECTIONS STA. 293+00 TO STA. 300+00
CELL 3 IMPROVEMENTS CROSS SECTIONS STA. 301+00 TO STA. 308+00
CELL 3 IMPROVEMENTS CROSS SECTIONS STA. 309+00 TO STA. 316+00
EROSION & SEDIMENT CONTROL DETAILS
SETTLEMENT PLATE DETAILS
STRUCTURAL NOTES
STRUCTURAL WEIR RISER SYSTEM PLAN AND SECTION
STRUCTURAL WEIR RISER SYSTEM PLANS
STRUCTURAL WEIR RISER FABRICATION ELEVATIONS
STRUCTURAL WEIR RISER FABRICATION SECTIONS AND DETAILS
STRUCTURAL WEIR RISER FABRICATION SECTIONS AND DETAILS
STRUCTURAL WEIR FOUNDATION SECTIONS AND DETAILS
STRUCTURAL WEIR RETURN PIPE ANCHORAGE SECTIONS AND DETAILS
STRUCTURAL ALUMINUM FLOATING DOCK SECTIONS AND DETAILS
GI01
GI02
B101
CD100
CN101
CN102
CN103
CN104
CN105
CN106
CN200
CN301
CN302
CN303
CN304
CN305
CN306
CN307
CN308
CN309
CN310
CN311
CN312
CN313
CN314
CN315
CN501
CN502
S-001 S101 S102 S103 S104 S105 S106 S107 S108
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SPILLWAY NO. 8
SPILLWAY NO. 7
SPILLWAY NO. 6
SPILLWAY NO. 5
SPILLWAY NO. 4
EXISTING SPILLWAY NO. 2
EXISTING SPILLWAY NO. 3
E 2,310,000 N 160,000
EXISTING SPILLWAY NO. 1
CELL NO. 2 DIKE
AUTHORITY DOCKS
N.C. STATE PORTS
TO US
HWY 421
E 2,315,000 N 175,000
US ARMY ENGINEER
REPAIR YARD
ACCESS ROAD
CAPE FEAR
MEMORIAL BRIDGE
U.S. 74, 76, BUS 17
& 421
EAGLE ISLAND
DISPOSAL AREA
CELL 3EAGLE ISLAND
DISPOSAL AREA
CELL 2
C R
O
SS
D
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C R
O
SS D
IKE 2 - 3
CAPE FEAR RIVER
BRUNSWICK RIVER
SCALE IN FEET
SCALE: 1" = 600'
600 600 900 1500
W I L M I N G T O N
NOTES:
WILMINGTON HARBOR NAVIGATION CHANNEL
EAGLE ISLAND
DISPOSAL AREA
CELL 1
SEE SHEETS CN102 - CN104
FOR CELL 3 SITE PLANS
APPROXIMATE
LOCATION
STAGING AREA
SPILLWAY NO. 9
(RISER REMOVED)
1.
2.
3.
4.
5.
6.
7.
LEGEND
E 2,314,129 N 168,932
E 2,314,247 N 171,302
E 2,312,085 N 173,729
E 2,311,317 N 173,492
E 2,310,384 N 172,734
E 2,310,755 N 170,576
E 2,311,107 N 170,177
E 2,310,790 N 169,829
E 2,311,103 N 168,633
E 2,311,836 N 167,477
APPROX. LOCATION
OF DREDGE PIPELINE
ROUTE (CELL 3)
EXISTING SETTLEMENT PLATE
HORIZONTAL DATUM NAD 1983 (2016) EPOCH 2016.00.
VERTICAL DATUM NAVD 1988.
THE WETLANDS LOCATED OUTSIDE CELLS 1, 2 AND 3 ARE PROTECTED BY LAW. THIS
CONTRACT REQUIRES THE PLACEMENT OF FILL MATERIAL IN WETLANDS FOR
CONSTRUCTION OF THE CELL 3 EXTERIOR TOE BERMS. NO FILL MATERIAL OF ANY
KIND SHALL BE PLACED AT ANY TIME, INCLUDING TEMPORARILY, IN WETLAND AREAS
OUTSIDE OF THE CONSTRUCTION ZONE. THE CONTRACTOR SHALL BE RESPONSIBLE
FOR RESTORING ANY DAMAGE TO WETLANDS OUTSIDE OF THE CONSTRUCTION
ZONE TO THE SATISFACTION OF THE CONTRACTING OFFICER.
FOR EROSION AND SEDIMENT CONTROL DETAILS SEE SHEET CN501.
CONTRACTOR SHALL BE RESPONSIBLE FOR THE MAINTENANCE OF EXISTING ACCESS
ROADS AND SHALL LEAVE ROADS IN AN EQUAL OR BETTER CONDITION UPON
COMPLETION OF THE CONTRACT AS THEY WERE PRIOR TO THE BEGINNING OF
CONSTRUCTION.
CONSTRUCTION IN AREAS BELOW THE MEAN HIGH WATER LINE (MHW) SHALL OCCUR
BETWEEN 1 AUGUST AND 31 MARCH TO AVOID DEATH OR HARM TO ANADROMOUS
FISH.
UNDER SEPARATE GOVERNMENT CONTRACT, DREDGING AND DISPOSAL OPERATIONS
WHICH WILL INCLUDE THE DISPOSAL OF DREDGED MATERIAL INTO THE CELL 2
DISPOSAL AREA IS ANTICIPATED DURING THE PERIOD OF DECEMBER 2022 TO JANUARY
2023 AND DECEMBER 2023 TO JANUARY 2024. ADDITIONAL WORK IN CELL 2 FOR
EMBANKMENT STABILIZATION IS ANTICIPATED BEGINNING IN JANUARY 2022. UNDER
ANOTHER SEPARATE GOVERNMENT CONTRACT, IMPROVEMENTS TO CELL 1 DIKES
AND SPILLWAYS ARE ONGOING THROUGH JULY 2023. THE CONTRACTOR PERFORMING
WORK UNDER THIS CONTRACT SHALL COORDINATE CONTRACT OPERATIONS WITH
OTHER CONTRACTORS WORKING AT EAGLE ISLAND CONFINED DISPOSAL AREA AS
NEEDED TO AVOID CONFLICTS AND DELAYS. IN ADDITION, A CONTRACTOR WILL BE
PERFORMING MOWING ACTIVITIES PERIODICALLY THROUGHOUT THE ANTICIPATED
CONTRACT CONSTRUCTION SCHEDULE.
PROJECT AREA
APPROX. LOCATION
OF DREDGE PIPELINE
ROUTE (CELL 2)
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EI-CPT-T18-D
EI-13-CP-T18C
EI-13-CP-T18D
EI-DMT-T18-D
EI-SPT-18-T18
EI-SPT-18-T19
EI-SPT-18-T20
EI-14-UD-T18
EI-CPT-T18-B
EI-13-CP-T18A
EI-CPT-T18-A
EI-SPT-18-T21
EI-CPT-T21-A
EI-SPT-18-T22
EI-2011-SPT-3
EI-13-CP-T1C
EI-13-CP-T1B
EI-CPT-T1-A
EI-CPT-T16-A
EI-13-CP-T16A
EI-SPT-18-T16
EI-13-CP-T16C
EI-13-CP-T16D
EI-13-CP-T16E
EI-13-CP-T16B
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EI-14-UD-T16
EI-SPT-18-T15
EI-2011-SPT-3
EI-2011-AS-7
EI-18-SPT-T4
EI-CPT-T4-A
EI-18-SPT-T5 & UD 2
EI-18-SPT-T5 & UD 1
EI-CPT-T5-D
EI-13-CP-T5D
EI-SPT-18-T23
EI-14-UD-T1
EI-13-CP-T1A
EI-CPT-T1-E
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EI-2011-AS-5
EI-2011-AS-8
EI-SPT-18-T14
EI-2011-SPT-14
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EI-CPT-T5-A
EI-CPT-T5-B
EI-13-CP-T5B
EI-13-CP-T5C
EI-13-CP-T5A
EI-2011-AS-4
EI-2011-AS-10
EI-18-SPT-T6
EI-CPT-T6-C
EI-2011-SPT-6
EI-CPT-T6-D
EI-2011-AS-3
EI-2011-AS-2
EI-18-SPT-T8
EI-CPT-T8-D
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EI-13-CP-T9A
EI-CPT T9-A
EI-13-CP-T9B
EI-CPT T9-E
EI-13-CP-T9E
EI-14-UD-T9
EI-SPT-18-T-10
EI-SPT-18-T-37
EI-SPT-18-S4
EI-2011-SPT-11
EI-SPT-18-T11
EI-13-CP-T12A
EI-13-CP-T12C
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EI-CPT-T12-D
EI-SPT-18-T12
EI-13-CP-T12D
EI-CPT-T12-B
EI-14-UD-T12
EI-13-CP-T12B
EI-CPT-T12-A
EI-2011-SPT-13
EI-SPT-18-S5
EI-CPT-T13-D
CPT-T13-B
EI-SPT-18-S6
B101
SO
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_C el l3
_B
1_ C el l2
-3 _b or in gs .d w g
SEE SPECIFICATIONS, APPENDIX A FOR BORING LOGS AND
COORDINATES AND APPENDIX B FOR LAB TEST DATA.
LEGEND
NOTE:
BORING LOCATION
SCALE IN FEET
0300 300 600 900
SCALE: 1" = 300'
BRUNSWICK RIVER
EXISTING PIEZOMETER
CAPE FEAR RIVER
EAGLE ISLAND CELL 3
EAGLE ISLAND CELL 2
40 25
N: 172136.0104 E: 2310650.7335
N: 172058.6896 E: 2310552.5775
PIPE INV. X.X'
PIPE CONNECTION
40 35 30
35 30
N: 170456.1051 E: 2310834.8716
N: 170443.0223 E: 2310735.5638
PIPE INV. X.X'
PIPE CONNECTION
1'
1' (TYP)
2'
CL
N.T.S.
DIKE EMBANKMENT EXCAVATION SECTION AT SPILLWAYS
STEP CONSTRUCTED
AT 3H:1V (TYP.)
NEW 30" DIAMETER
HDPE PIPE SDR 11
NEW
PIPE
SELECT FILL AND
FILTER SAND
4' 4'
NOTES:
1. NEW GEOTEXTILE SHALL OVERLAP THE EXISTING GEOTEXTILE A MINIMUM OF 10 FEET.
2. ELEVATIONS OF GEOTEXTILE ABOVE AND BELOW THE PIPE (APPROX. EL. 22' AND 14')
SHALL FOLLOW THE PIPE SLOPE SHOWN.
3. INSTALL FINAL SETTLEMENT GAUGES AT ELEVATION 38' AND AT THE TOP OF THE SELECT FILL.
4.EXISTING CONTOURS CREATED USING LiDAR SURVEY TAKEN DEC 14 2021 BY NV5 GEOSPATIAL.
GEOTEXTILE 1' UNDER PIPE
FOLLOWS PIPE SLOPE
(APPROX. 12' WIDE)
NEW
SETTLEMENT
GAUGE NEW GEOTEXTILE SHALL MATCH
ELEVATION OF EXISTING GEOTEXTILE
(ELEVATIONS 12', 22', 27', 31', AND 35') THE
NEW GEOTEXTILE SHALL OVERLAP THE
EXISTING TEXTILE BY 10'-0".
3' (TYP)
GEOTEXTILE 4' ABOVE
PIPE FOLLOWS PIPE
SLOPE
SO
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CD100
SP
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N A
N D
EX
C
AV
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N
P
LA
N Ex ca va tio n_
Pl an
.d w g
REMOVE EXISTING
SPILLWAY RISER AND
WALKWAY STRUCTURE
REMOVE EXISTING
SPILLWAY RISER
AND WALKWAY
STRUCTURE
SPILLWAY 7 SPILLWAY 8
Feet
0 30 60 Feet
0 30 60
EXCAVATE AND REMOVE
APPROXIMATELY 100' OF
EXISTING PIPE SEE
SHEET CN200
EXCAVATE AND REMOVE
APPROXIMATELY 125' OF
EXISTING PIPE SEE
SHEET CN200
0+00
1+00
2+00
3+00
4+00
5+00
6+00
7+00
8+00
9+00
10+00
11+00
12+00
13+00 13+47.79
0+00
5+00
10+00
15+00
20+00
25+00
30+00
35+00
37+60.13
GI01 INDEX OF DRAWINGS, PROJECTOVERVIEW AND LOCATION MAPS EI21_GI01_Cell1-2-3_VicMap.dgn
0+
5+
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
155+00
160+00
165+00
170+00
175+00
180+00
185+00
190+00
195+00
200+00
205+00
210+00
215+00
220+00
225+00
230+00
235+00
240+00
245+00
250+00 255+00
260+00
265+00
270+00
275+00
280+00
5+
0+
5+
0+
305+00
0+
5+
8+
.6
SO
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US Army Corps of Engineers
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1. HORIZONTAL DATUM NAD 1983 (2016) EPOCH 2016.00.
2. VERTICAL DATUM NAVD 1988.
3. CONTOURS SHOWN REPRESENT THE RESULTS OF SURVEYS PERFORMED IN
OCTOBER 2021 (COINCIDENTAL AERIAL LIDAR AND IMAGERY DATA) AND 7
OCTOBER - 21 OCTOBER 2021 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.
4. 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.
5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR CONTROL AND DIVERSION OF ALL
WATER WITHIN CELL 3 AND SHALL TAKE MEANS NECESSARY TO FACILITATE
CONSTRUCTION OF THE PROJECT. ALL DISCHARGE OF WATER INTO THE
BRUNSWICK RIVER AND CAPE FEAR RIVER SHALL MEET NC STATE WATER
QUALITY STANDARDS.
NOTES:
6. DUE TO THE SOFT, WET CONDITIONS THAT EXIST INSIDE CELL 3, THE CONTRACTOR
SHOULD ANTICIPATE CONSTRUCTION OF DITCHES AND SUMPS TO DEWATER
THE DREDGED MATERIAL. THE CONTRACTOR SHALL NOT DIG ANY DITCHES CLOSER
THAN 150' FROM THE INSIDE TOE OF ANY EXISTING DIKE OR PROPOSED INTERIOR
STEP-IN.
7. THE CONTRACTOR SHALL PROTECT EXISTING SETTLEMENT PLATE GAUGES AS SHOWN
ON THIS SHEET. FOR COORDINATES OF EXISTING SETTLEMENT PLATES SEE SHEET GI02.
8. THE CONTRACTOR SHALL CREATE A SEDIMENT AND EROSION CONTROL PLAN THAT
ADHERES TO ALL STATE DEQ REQUIREMENTS.
9. THE CONTRACTOR SHALL COORDINATE WITH THE COR FOR SETTING UP STAGING AREAS,
OFFICE LOCATION, PARKING AND STOCKPILE AREAS.
10. AREAS OUTSIDE OF THE EXISTING SILT FENCE ARE DESIGNATED WETLAND AREAS AND
SHOULD NOT BE DISTURBED.
SEE SHEET CN103 SEE SHEET CN104
SEE SHEET CN104
SEE SHEET CN105
PROPOSED EXTERIOR TOE BERM (TYP.)
EXISTING SPILLWAY 7
EXISTING SPILLWAY 8
EXISTING SPILLWAY 9
PROPOSED EXTERIOR TOE BERM (TYP.)
TRANSITION TO EXISTING DIKE
EXISTING SILT FENCE (TYP.)
EXISTING SILT FENCE (TYP.)
CELL 3
CELL 2
CELL 1
EXISTING SITE ACCESS ROAD (TYP.)
CONTACTOR OFFICE, PARKING,
AND STAGING AREA
SCALE IN FEET
0400 400 800 1200
SCALE: 1" = 400'
CN101
O
VE
R
AL
L
SI
TE
P
LA
N
EI
_C el l3 _P la nS he et s.
dw g
TRANSITION TO EXISTING TOE BERM
BRUNSWICK RIVER
CAPE FEAR RIVER
CELL 2 BORROW AREA LIMITS
CONTROL POINT
PANEL 10
N= 166689.81 E= 2313021.05
EL= 35.75'
CONTROL POINT
PANEL 4
N= 169314.90 E= 2314324.51
EL= 42.29'
CONTROL POINT
PANEL 9
N= 170507.85 E= 2312421.23
EL= 36.82'
CONTROL POINT
PANEL 3
N= 168467.62 E= 2311154.79
EL= 42.78'
CONTROL POINT
PANEL 2
N= 174047.36 E= 2313003.48
EL= 41.17'
CONTROL POINT
PANEL 1
N= 173108.34 E= 2310295.09
EL= 39.93'
SEE SHEET CN106
SEE SHEET CN106
SEE SHEET CN105
SEE SHEET CN103
PROPOSED INTERIOR
STEP-IN (TYP.)
PROPOSED INTERIOR STEP-IN (TYP.)
EXISTING SETTLEMENT PLATE (TYP.) PROPOSED SPILLWAY 7
PRELOAD BERM SEE
SHEET CN102 PROPOSED SPILLWAY 8
PRELOAD BERM SEE
SHEET CN102
CELL 3 BORROW AREA LIMITS
0+
1+
2+
3+
4+
5+
6+
7+
8+
9+
0+
1+
2+
3+
4+
5+
6+
7+
8+
239+00
240+00
241+00
242+00
243+00
244+00
5+
00 24 6+
00 24 7+
00 24 8+
9+
0+
33+00
34+00
35+00
36+00
37+00
37+60.13
SF
SF
SF
SF
SF
SF
SF
SF
SF
SF
SFSF
SF
SF
SF
SF
SFSF
SFSFSF
SF
SF
SF
SF
N: 170514.8036 E: 2310945.0600
N: 170503.9091 E: 2310817.2429
N: 170415.1627 E: 2310953.5270
N: 170404.2809 E: 2310825.4680
N: 172241.9719 E: 2310707.5242
N: 172158.2488 E: 2310603.0982
N: 172163.2079 E: 2310769.1378
N: 172078.3617 E: 2310660.6743
50'
EL. 46'
PRELOAD BERM DIMENSIONS
EL. 46'
PRELOAD BERM DIMENSIONS
EL. 50'
22' VARIES
SECTION A-A
SECTION B-B
3:1 SLOPE
50'
PIPE
LC
EL. 31'
25'
2%
EL. 31'
25'
2%2%EL. 31'
3:1 SLOPE 3:1 SLOPE
25'
EXISTING
GROUND
PRELOAD BERM
SEE SHEET CN102
EL. 46'
EL. 50'
TYPICAL PRELOAD BERM
N.T.S.
DISCONNECT PIPE
AND REMOVE
SPILLWAY CONC.
PAD AND RISER
SECTION BEFORE
PRELOADING
NOTES:
1.REFERENCE SHEET S101 FOR ADDITIONAL
NOTES
SETTLEMENT GAUGES
SEE SHEET CN502
EL. 31'
SO
LI
C
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AT
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N N
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B
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D
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C R
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D B
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D
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B Y:
D R
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B Y:
IS
SU
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SHEET ID
B
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US Army Corps of Engineers
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M Y
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CN102
SP
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P
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B
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M S
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dw g
SCALE IN FEET
HORIZONTAL SCALE: 1" = 100'
100 100 200 300
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 & CN302 FOR TYPICAL SECTIONS.
SEE SHEETS CN304 TO CN307 FOR CROSS SECTIONS OF AREAS
ON THIS SHEET.
M
AT
CH
LI
N E
SE
E
SH
EE
T
CN
EXISTING SPILLWAY 7
EXISTING SPILLWAY 8
CELL 3
BRUNSWICK RIVER
M
AT
CH
LI
N E
SE
E
SH
EE
T
CN
EXISTING SILT FENCE (TYP.)
PROPOSED PRELOAD BERM
SEE TYPICAL DIMENSIONS
BELOW
A A
B B
C
PROPOSED PRELOAD BERM
SEE TYPICAL DIMENSIONS
BELOW
TYPICAL PRELOAD BERM DIMENSIONS
C
C
SETTLEMENT
GAUGES
SETTLEMENT
GAUGES
EXISTING SETTLEMENT PLATE
EXISTING SETTLEMENT PLATE
PROTECT IN PLACE (TYP.)
C PROPOSED SETTLEMENT GAUGE
CELL 3 BORROW LIMITS
150'
150'
C
EXISTING SETTLEMENT PLATE
PROTECT IN PLACE (TYP.)
EXISTING SETTLEMENT PLATE
PROTECT IN PLACE (TYP.)
EXISTING SILT FENCE (TYP.)
1+
2+
3+
4+
5+
6+
7+
8+
9+
0+
1+
2+
3+
4+
5+
6+
7+
8+
239+00
240+00
241+00
242+00
243+00
244+00
5+
00 24 6+
00 24 7+
00 24 8+
9+
0+
33+00
34+00
35+00
36+00
37+00
37+60.13
SF
SF
SF
SF
SF
SF
SF
SF
SF
SF
SFSF
SF
SF
SF
SF
SFSF
SFSFSF
SF
SF
SF
SF
PI Sta.221+92.9 N 170113.6 E 2310699.6 T= 17.6' R= 2000.0' Dc= 2°51'53.2" Lc=35.1'
PI Sta.224+94.5 N 170414.4 E 2310677.1 T= 10.0' R= 2000.0' Dc= 2°51'53.2" Lc=20.0'
PI Sta.226+94.5 N 170613.7 E 2310660.1 T= 10.0' R= 2000.0' Dc= 2°51'53.2" Lc=20.0'
PI Sta.229+94.5 N 170912.8 E 2310637.7 T= 8.0' R= 2000.0' Dc= 2°51'53.2" Lc=16.0'
PI Sta.220+60.8 N 169981.7 E 2310707.2 T= 24.1' R= 1000.0' Dc= 5°43'46.5" Lc=48.2'
PI Sta.242+37.0 N 172007.0 E 2310505.7 T= 143.7' R= 575.0' Dc= 9°57'52.1" Lc=281.7'
PI Sta.244+41.8 N 172201.3 E 2310424.6 T= 23.7' R= 500.0' Dc= 11°27'33.0" Lc=47.3'
PI Sta.244+94.9 N 172252.1 E 2310408.9 T= 20.0' R= 2000.0' Dc= 2°51'53.2" Lc=40.0'
PI Sta.247+94.0 N 172537.2 E 2310318.4 T= 182.3' R= 2002.0' Dc= 2°51'42.9" Lc=363.6'
PC
226+84.5
PT227+04.5
PI226+94.5
PC
220+36.7
PI22
0+
.8
PT
0+
.8
PC
221+75.3
PT222+10.5
PI221+92.9
STA. 220+77.3 C
ELL 2 =
STA. 37+60.1 C
R
O
SS D
IKE 2 - 3
PT2
+8 4.8
PC
1+
.2
PT
3+
.3
PC
5+
.9
PT
6+
.3
PC
6+
.2
PT240+13.5
PC240+93.3
PT243+75.0
PC
244+74.9
PT245+14.9
PC
245+84.9
PT246+04.9
PC
246+11.7
PT249+75.3
PI
2+
.0
PI
6+
.3
PI238+63.5
PI242+37.0
PI244+41.8
PI244+94.9
PI247+94.0
PC
224+84.5
PT225+04.5
PC
229+86.5
PT230+02.5
PI224+94.5
PI229+94.5
PC244+18.1
PT244+65.4
PI Sta.236+33.3 N 171521.6 E 2310788.3 T= 45.4' R= 350.0' Dc= 16°22'12.8" Lc=90.4'
PI Sta.238+63.5 N 171750.1 E 2310819.9 T= 182.3' R= 325.0' Dc= 17°37'46.1" Lc=332.3'
PI245+94.9
PI Sta.245+94.9 N 172347.0 E 2310377.4 T= 10.0' R= 1000.0' Dc= 5°43'46.5" Lc=20.0'
PI Sta.232+09.0 N 171126.8 E 2310623.4 T= 95.8' R= 407.0' Dc= 14°04'39.3" Lc=188.2'
SO
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C
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AT
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N N
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D
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B
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D
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C R
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A
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BM
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D B
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D
AT
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C O
N
TR
AC
T
N O
C
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EC
KE
D
B Y:
D R
AW
N
B Y:
IS
SU
E D
AT
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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
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AG
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D C
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BR
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.A R
M Y
C O
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PS
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EN
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IN
EE
R S
W
IL
M
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N D
IS
TR
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T
D
AR
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N G
TO
N
A
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N U
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M
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N A
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M
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7-
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M
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2P M
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N D
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F
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D Y
TO
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TI
SE
CN103
C
EL
L
SI
TE
P
LA
N
W
ES
T
ST
A.
+0
TO
+0
EI
_C el l3 _P la nS he et s.
dw g
SCALE IN FEET
HORIZONTAL SCALE: 1" = 100'
100 100 200 300
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 & CN302 FOR TYPICAL SECTIONS.
SEE SHEETS CN304 TO CN307 FOR CROSS SECTIONS OF AREAS
ON THIS SHEET.
M
AT
CH
LI
N E
SE
E
SH
EE
T
CN
PROPOSED EXTERIOR TOE BERM (TYP.)
CELL 3
TRANSITION TO EXISTING CELL 2 TOE BERM
BRUNSWICK RIVER
M
AT
CH
LI
N E
SE
E
SH
EE
T
CN
PROPOSED TOE BERM TO
TRANSITION TO EXISTING DIKE
TO AVOID WORK IN AREAS
AROUND EXISTING SPILLWAY 7
PROPOSED TOE BERM TO
TRANSITION TO EXISTING DIKE
TO AVOID WORK IN AREAS
AROUND EXISTING SPILLWAY 8
PROPOSED INTERCEPT OF EXTERIOR TOE BERM
TO EXISTING DIKE (TYP.)
PROPOSED TOP OF SLOPE OF EXTERIOR TOE BERM (TYP.)
PROPOSED BENCH OF EXTERIOR TOE BERM
WIDTH VARIES (TYP.)
PROPOSED TOE OF EXTERIOR TOE BERM (TYP.)
EXISTING SILT FENCE (TYP.)
PROPOSED INTERIOR TOE BERM
PROPOSED DIKE
CENTERLINE
PROPOSED INTERIOR TOE BERM
PROPOSED DIKE
RAISE CENTERLINE
44'
44'
44'
25'
25'
EXISTING SETTLEMENT PLATE
EXISTING SETTLEMENT PLATE
PROTECT IN PLACE (TYP.)
C PROPOSED SETTLEMENT GAUGE
CELL 3 BORROW LIMITS
150' 150'
CELL 3 BORROW LIMITS
25'
PROPOSED SPILLWAY #7
PROPOSED SPILLWAY #8
SURVEY LIMITS
TO
E BER
M O
FFSET
SEE TABLE BELO
W
TO
E
BE
RM
O
FF
SE
T
SE
E
TA
BL
E
BE
LO
W
TO
E BER
M O
FFSET
SEE TABLE BELO
W
137'
137'
137'
1+
2+
3+
4+
5+
256+00
257+00
258+00
259+00
260+00
261+00
262+00
263+00
264+00
265+00
266+00
267+00
268+00
SF
SF
SF
SF
SF
SF
SF
SF
SF
SF
SF
SF
SF
SF
SF
SF
SF
SFSF
PI Sta.254+15.2 N 173152.7 E 2310311.8 T= 85.2' R= 350.0' Dc= 16°22'12.8" Lc=167.1'
PI Sta.252+32.0 N 172973.0 E 2310266.3 T= 92.8' R= 500.0' Dc= 11°27'33.0" Lc=183.4'
PI Sta.256+42.0 N 173324.9 E 2310464.4 T= 126.9' R= 450.0' Dc= 12°43'56.6" Lc=247.4'
PC25
1+
.2
PT
3+
.6
PC
3+
.1
PT2
+9 7.2
PC25
5+
.1
PT257+62.5
PI
2+
.0
PI
4+
.2
PI256+42.0
SO
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C
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AT
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N N
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D
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IG
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B
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D
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C R
IP
TI
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A
M
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SI
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BM
IT
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D B
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D
AT
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C O
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TR
AC
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N O
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EC
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D
B Y:
D R
AW
N
B Y:
IS
SU
E 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
E
AG
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IS
LA
N
D C
EL
L
BR
U N
SW
IC
K C
O U
N
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C
AR
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LI
N A
U .S
.A R
M Y
C O
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PS
O F
EN
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IN
EE
R S
W
IL
M
IN
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TO
N D
IS
TR
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T
D
AR
LI
N G
TO
N
A
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N U
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M
IN
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TO
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N A
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M
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M
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D Y
TO
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SE
CN104
C
EL
L
SI
TE
P
LA
N
N O
R
TH
W
ES
T
ST
A.
5+
T O
+0
EI
_C el l3 _P la nS he et s.
dw g
SCALE IN FEET
HORIZONTAL SCALE: 1" = 100'
100 100 200 300
PROPOSED EXTERIOR TOE BERM (TYP.)
EXISTING SPILLWAY 9
CELL 3
BRUNSWICK RIVER
M
AT
CH
LI
N
E
SE
E
SH
EE
T
CN
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 - CN303 FOR TYPICAL SECTIONS.
SEE SHEETS CN307 TO CN310 FOR CROSS SECTIONS OF AREAS
ON THIS SHEET.
M
AT
CH
LI
N E
SE
E
SH
EE
T
CN
MATCHLINE SEE SHEET CN105MATCHLINE SEE SHEET CN105
PROPOSED INTERCEPT OF EXTERIOR TOE BERM
TO EXISTING DIKE (TYP.)
PROPOSED TOP OF SLOPE OF EXTERIOR TOE BERM (TYP.)
EXISTING SETTLEMENT PLATE
PROTECT IN PLACE (TYP.)
PROPOSED TOE OF EXTERIOR TOE BERM (TYP.)
EXISTING SILT FENCE (TYP.)
44'
70'
70'
44'
44'
70'
EXISTING SETTLEMENT PLATE
EXISTING SETTLEMENT PLATE
PROTECT IN PLACE (TYP.)
150'
CELL 3 BORROW LIMITS
150'
PROPOSED DIKE
RAISE CENTERLINE
PROPOSED INTERIOR TOE BERM
SURVEY LIMITS
TOE BERM OFFSET
SEE TABLE ON THIS SHEET
125'
125'
269+00
270+00
271+00
272+00
273+00
274+00
275+00
276+00
277+00
278+00
279+00
280+00
281+00
282+00
283+00
284+00
285+00
286+00
287+00
288+00
289+00
290+00
291+00
292+00
293+00
294+00
SF
SF
SF
SF
SF
SF
SF
SF
SF
SF
SF
SF
PC279+58.9
PT279+94.5
PC281+70.3
PT282+49.8
PC282+54.1
PT283+73.3
PC283+92.1
PT285+32.5
PC285+42.3
PT285+82.3
PC287+42.3
PT287+82.3
PI279+76.7
PI282+10.3
PI283+18.7
PI284+62.3
PI285+62.3
PI287+62.3
PI Sta.279+76.7 N 174007.5 E 2312703.8 T= 17.8' R= 1000.0' Dc= 5°43'46.5" Lc=35.5'
PI Sta.282+10.3 N 174083.5 E 2312924.6 T= 40.0' R= 300.0' Dc= 19°05'54.9" Lc=79.4'
PI Sta.283+18.7 N 174090.7 E 2313033.3 T= 64.5' R= 125.0' Dc= 45°50'11.8" Lc=119.1'
10 5
PI Sta.284+62.3 N 173971.7 E 2313130.3 T= 70.2' R= 4000.0' Dc= 1°25'56.6" Lc=140.3'
PI Sta.285+62.3 N 173892.1 E 2313190.8 T= 20.0' R= 4000.0' Dc= 1°25'56.6" Lc=40.0'
PI Sta.287+62.3 N 173734.0 E 2313313.3 T= 20.0' R= 4000.0' Dc= 1°25'56.6" Lc=40.0'
SO
LI
C
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AT
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N N
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D
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IG
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B
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D
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C R
IP
TI
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A
M
AR
K
SI
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SU
BM
IT
TE
D B
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D
AT
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C O
N
TR
AC
T
N O
C
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EC
KE
D
B Y:
D R
AW
N
B Y:
IS
SU
E D
AT
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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
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
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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
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TO
N
, N O
R
TH
C
AR
O
LI
N A
"X
S.
S
TE
LL
O
J.
M
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C
H
EL
L
D R
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IN
G C
O D
E:
W
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-0
7-
J.
M
AN
N
IN
G
JU
N
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W
2P M
B0
K.
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EC
KE
N D
O R
F
FI
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N
AM
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R
TA
R
EA
D Y
TO
A
D
VE
R
TI
SE
CN105
C
EL
L
SI
TE
P
LA
N
N O
R
TH
EA
ST
ST
A.
9+
T
O
+0
EI
_C el l3
_P la nS he et s.
dw g
PROPOSED EXTERIOR TOE BERM (TYP.)
CELL 3
TRANSITION TO EXISTING CELL 3 DIKE
MATCHLINE SEE SHEET CN104MATCHLINE SEE SHEET CN104
PROPOSED INTERCEPT OF EXTERIOR TOE BERM
TO EXISTING DIKE (TYP.)
PROPOSED TOP OF SLOPE OF EXTERIOR TOE BERM (TYP.)
EXISTING SETTLEMENT PLATE
PROTECT IN PLACE (TYP.)
PROPOSED TOE OF EXTERIOR TOE BERM (TYP.)
EXISTING SILT FENCE (TYP.)
MATCHLINE SEE SHEET CN106
44'
70'
44'
70'
PROPOSED DIKE
RAISE CENTERLINE
44'
44'
44'
SCALE IN FEET
HORIZONTAL SCALE: 1" = 100'
100 100 200 300
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 & CN303 FOR TYPICAL SECTIONS.
SEE SHEETS CN310 TO CN313 FOR CROSS SECTIONS OF AREAS
ON THIS SHEET.
EXISTING SETTLEMENT PLATE
EXISTING SETTLEMENT PLATE
PROTECT IN PLACE (TYP.)
150'
CELL 3 BORROW LIMITS
150'
CELL 3 BORROW LIMITS
PROPOSED INTERIOR TOE BERM
PROPOSED DIKE
RAISE CENTERLINE
SURVEY LIMITS
TOE BERM OFFSET
SEE TABLE ON THIS SHEET
125'
125'
133'
133'
1+
294+00
295+00
296+00
297+00
298+00
299+00300+00
1+
302+00
303+00
304+00
305+00
306+00
307+00
8+
9+
0+
1+
2+
3+
4+
5+
6+
7+
8+
8+
.6
0+00
1+00
2+00
3+00
4+00
PC293+18.6
PT295+29.2PC296+39.2
PT296+84.9
PC298+39.7
PT298+73.2
PC299+27.6
PT299+61.5
PC299+80.5
PT300+60.2
PC
301+38.3
PT303+86.1
PC304+68.5
PT305+55.7
PC305+56.0
PT306+45.3
PC306+62.7
PT307+64.2
PC
307+64.6
PT
8+
.5
PC
9+
.3
PT
9+
.3
PC
0+
.3
PT
1+
.5
PC
2+
.6
PT314+12.6PC
5+
.5
PT
5+
.5
PC
6+
.5
PT
6+
.5
PC
8+
.6
PT
8+
.4 PI294+23.9
PI296+62.1
PI298+56.5
PI299+44.6PI300+20.5
PI302+70.2
PI305+12.3
PI306+00.8
PI307+14.9
PI
8+
.5
PI
9+
.3
PI
0+
.4
PI
3+
.4
PI
5+
.5
PI
6+
.5
PI
8+
.5
ST
A.
+0
C
EL
L1
-2 -3
ST
A
8+
C
EL
L 1-
2- 3=
ST
A.
+0
C
R O
SS
D
IK
E
2-
PI Sta.318+27.5 N 171138.5 E 2314302.8 T= 15.9' R= 240.0' Dc= 23°52'23.7" Lc=31.8'
PI Sta.316+61.5 N 171303.8 E 2314318.1 T= 20.0' R= 4000.0' Dc= 1°25'56.6" Lc=40.0'
PI Sta.313+33.4 N 171631.8 E 2314340.4 T= 79.8' R= 700.0' Dc= 8°11'06.4" Lc=159.0'
PI Sta.309+62.3 N 171984.7 E 2314454.6 T= 20.0' R= 2000.0' Dc= 2°51'53.2" Lc=40.0'
PI Sta.307+14.9 N 172226.6 E 2314502.5 T= 52.2' R= 175.0' Dc= 32°44'25.6" Lc=101.5'
PI Sta.315+61.5 N 171403.4 E 2314326.3 T= 20.0' R= 2000.0' Dc= 2°51'53.2" Lc=40.0'
PI Sta.310+86.4 N 171868.6 E 2314410.8 T= 25.1' R= 700.0' Dc= 8°11'06.4" Lc=50.2'
PI Sta.308+02.5 N 172136.2 E 2314508.4 T= 38.0' R= 185.0' Dc= 30°58'14.5" Lc=75.0'
PI Sta.306+00.8 N 172318.1 E 2314433.8 T= 44.9' R= 405.0' Dc= 14°08'49.6" Lc=89.3'
PI Sta.305+12.3 N 172375.8 E 2314366.2 T= 43.8' R= 400.0' Dc= 14°19'26.2" Lc=87.2'
PI Sta.294+23.9 N 173207.0 E 2313713.4 T= 105.3' R= 3000.0' Dc= 1°54'35.5" Lc=210.6'
PI Sta.296+62.1 N 173027.8 E 2313870.4 T= 22.9' R= 4000.0' Dc= 1°25'56.6" Lc=45.8'
PI Sta.299+44.6 N 172809.5 E 2314049.5 T= 17.0' R= 151.0' Dc= 37°56'39.2" Lc=33.9'
PI Sta.300+20.5 N 172740.0 E 2314080.3 T= 40.0' R= 437.0' Dc= 13°06'40.2" Lc=79.7'
PI Sta.302+70.2 N 172496.8 E 2314138.2 T= 131.9' R= 292.0' Dc= 19°37'18.6" Lc=247.8'
PI Sta.298+56.5 N 172880.1 E 2313996.8 T= 16.8' R= 501.0' Dc= 11°26'10.6" Lc=33.5'
SO
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C R
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D B
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D
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C O
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N O
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D
B Y:
D R
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N
B Y:
IS
SU
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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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N A
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M Y
C O
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IN
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W
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M
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N D
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TR
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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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D Y
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TI
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CN106
C
EL
L
SI
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N
EA
ST
ST
A.
+0
TO
+7
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MATCHLINE SEE SHEET CN105
CELL 3
CAPE FEAR RIVER
M
AT
CH
LI
N E
SE
E
SH
EE
T
CN
PROPOSED DIKE
RAISE CENTERLINE
44'
PROPOSED DIKE RAISE
44'
SCALE IN FEET
HORIZONTAL SCALE: 1" = 100'
100 100 200 300
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 & CN303 FOR TYPICAL SECTIONS.
SEE SHEETS CN313 TO CN315 FOR CROSS SECTIONS OF AREAS
ON THIS SHEET.
EXISTING SETTLEMENT PLATE
EXISTING SETTLEMENT PLATE
PROTECT IN PLACE (TYP.)
GENERAL STAGING AREA
150'
CELL 3 BORROW LIMITS
SURVEY LIMITS
133'
133'
3'
GEOTEXTILE
(El. 34.0)
ST
A
-1 +0
ST
A
-1 +8
EXISTING 4" SOLID
CORRUGATED
PLASTIC DRAIN PIPE
EXIST. 30" OD HDPE
PIPE SDR 26
EXISTING PERFORATED
CORRUGATED PLASTIC
DRAIN PIPE WITH SOCK
SLEEVE
EXISTING
GROUND
EXISTING GEOGRID
225+00
-20
-10
0 100 200 3000-100-200-300 -20
-10
LEGEND
ST
A.
+7
ST
A.
+1
ST
A.
+7
(EL. 38.0')
NEW GEOTEXTILE
FILL VOID LEFT BY
REMOVED PIPE WITH
NCDOT AGGREGATE BASE
COURSE (ABC STONE)
REMOVE AND REPLACE WITH NEW 30" O.D.
SDR 11 HDPE PIPE
EL. 14.5'
EL. 50.5'
CUT EXISTING PIPE
AND FUSE NEW PIPE
ACCORDING TO
MANUFACTURERS
RECOMMENDATIONS
NEW SELECT FILL
NEW GEOTEXTILE
PROPOSED DIKE RAISE
PROPOSED
RISER STRUCTURE
SEE SHEETS
S-100 TO S-110
TOP OF RISER
STRUCTURE
TOP OF RISER
FOUNDATION
0% SLOPE
APPROXIMATE
EXCAVATION LIMIT
ST
A.
+4
PI
PE
IN
V.
5.
PI
PE
IN
V.
3.
~1% SLOPE ABC STONE FILL
SELECT FILL
GEOTEXTILE
(El. 34.0)
ST
A
-1 +0
ST
A
-1 +8
EXISTING 4" SOLID
CORRUGATED PLASTIC
DRAIN PIPE
EXIST. 30" OD HDPE
PIPE SDR 26
EXISTING PERFORATED
CORRUGATED PLASTIC
DRAIN PIPE WITH SOCK
SLEEVE
EXISTING
GROUND
EXISTING GEOGRID
242+00
-20
-10
0 100 200 3000-100-200-300 -20
-10
GEOTEXTILE
(El. 34.0)
PROPOSED DIKE RAISE
(EL. 38.0')
NEW GEOTEXTILE
NEW SELECT FILL
FILL VOID LEFT BY
REMOVED PIPE WITH
NCDOT AGGREGATE BASE
COURSE (ABC STONE)
CUT EXISTING PIPE
AND FUSE NEW PIPE
ACCORDING TO
MANUFACTURERS
RECOMMENDATIONS
NEW GEOTEXTILE
REMOVE AND REPLACE WITH NEW 30" O.D. SDR
11 HDPE PIPE
ABC STONE FILL
SELECT FILL
LEGEND
ST
A.
+7
ST
A.
+0
EL. 14.5'
EL. 50.5'
PROPOSED
RISER STRUCTURE
SEE SHEETS
S-100 TO S-110
TOP OF RISER
STRUCTURE
TOP OF RISER
FOUNDATION
APPROXIMATE
EXCAVATION LIMIT
ST
A.
+2
~2% SLOPE
PI
PE
IN
V.
5.
IN
V.
.7
SO
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C
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N N
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B
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SPILLWAY 7 PROFILE
CN200
SP
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N O
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N O
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FI
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1_ sp illw ay
1_ pr of ile
.d w g
SPILLWAY 8 PROFILE
Feet
0 40 80
HORIZONTAL SCALE: 1" = 40'
Feet 0 10 20
VERTICAL SCALE: 1" = 10'
HORIZONTAL SCALE: 1" = 40'
VERTICAL SCALE: 1" = 10'
Feet 0 40 80
Feet 0 10 20
TYPICAL SECTION CELL 3 EXTERIOR TOE BERMS
1%3
CELL 3
INTERIOR
EL. 15.0'
CLEAR, SEED
& MULCH
5.0' MIN
THE WORK SITES WHERE THE CELL 3 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
EXTERIOR TOE BERM NOTES:
EXISTING
GROUND
NEW TOE
BERM
EXISTING
REINFORCED
SILT FENCE
BASELINEVARIES
CELL 3
EXTERIOR
12" TO 18"
VARIES
BENCH EXISTING GROUND
BENCHING DETAIL
N.T.S.
SEE BENCHING DETAIL
THIS SHEET
N.T.S.
VARIES SEE SHEET CN103 - CN105
CN301
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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 3 INTERIOR STEP-IN STA. 257+50 TO STA. 283+50
N.T.S.
TYPICAL SECTION CELL 3 INTERIOR STEP-IN
STA. 221+00 TO STA. 257+50
12" TO 18"
VARIES
BENCH EXISTING GROUND
BENCHING DETAIL
N.T.S.
1' THICK FILL
NOTES
1. CELL 3 INTERIOR STEP-IN TO ELEVATION 46' SHALL
TRANSITON FROM A 137' OFFSET TO A 125' OFFSET
FROM STATIONS 256+50 TO 258+50 AND FROM A 125'
OFFSET TO A 133' OFFSET FROM STATIONS 282+50
TO 284+50.
2. THE BOTTOM LAYER OF GEOTEXTILE SHALL BE PLACED
ALONG THE BASE OF THE STEP-IN AND THE EXISTING
INTERIOR ELEVATION IS EXPECTED TO VARY
THROUGHOUT THE CELL.
3. EXCAVATE INTERIOR FACE OF EXISTING DIKE AT
A 1H:1V SLOPE TO ELEVATION 38'. THE UPPER LAYER
OF GEOTEXTILE SHALL EXTEND AT LEAST 15 FEET INTO
THE EXISTING DIKE.
4. SEE SHEETS GI02 AND CN101 FOR GENERAL NOTES.
NEW
EXISTING DIKE
EXCAVATION
CLEAR, SEED AND MULCH
EXISTING
GROUND
BASELINE
44'
EL. 39'
125' OFFSET FROM
BASELINE
EL. 41'
~2%
EL. 46' 1%
NEW GEOTEXTILE
SEE NOTE 2
EL. 38'
22'
EXISTING DIKE
CLEAR, SEED AND MULCH
EXISTING
GROUND
BASELINE
44'
EL. 44'~2%
EL. 46' 1%
NEW GEOTEXTILE
SEE NOTE 2.
22'
137' OFFSET FROM BASELINE
SEE DETAIL 1
SEE DETAIL 1
EXISTING GROUND
FILL SLOPE
GEOTEXTILE
PROPOSED
DIKE RAISE
PROPOSED
STEP-IN
PROPOSED
DIKE RAISE
PROPOSED
STEP-IN
EL. 37'
70'
PROPOSED
INTERIOR
TOE BERM
EL. 31'
25'
PROPOSED
INTERIOR
TOE BERM
~3%
EL. 38'
EXISTING DIKE INTERIOR
EXCAVATION, SEE NOTE 3.
SEE BENCHING DETAIL
EXISTING DIKE INTERIOR
EXCAVATION, SEE NOTE 3.
SEE BENCHING DETAIL
CN302
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US Army Corps of Engineers
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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 3 INTERIOR STEP-IN
STA. 283+50 TO STA. 318+78
12" TO 18"
VARIES
BENCH EXISTING GROUND
BENCHING DETAIL
N.T.S.
1' THICK FILL
NOTES
1. CELL 3 INTERIOR STEP-IN TO ELEVATION 46' SHALL
TRANSITON FROM A 125' OFFSET TO A 133' OFFSET
FROM STATIONS 282+50 TO 284+50.
2. THE BOTTOM LAYER OF GEOTEXTILE SHALL BE PLACED
ALONG THE BASE OF THE STEP-IN AND THE EXISTING
INTERIOR ELEVATION IS EXPECTED TO VARY
THROUGHOUT THE CELL.
3. EXCAVATE INTERIOR FACE OF EXISTING DIKE AT
A 1H:1V SLOPE TO ELEVATION 38'. THE UPPER LAYER
OF GEOTEXTILE SHALL EXTEND AT LEAST 15 FEET INTO
THE EXISTING DIKE.
4. SEE SHEETS GI02 AND CN101 FOR GENERAL NOTES.
EXISTING DIKE
CLEAR, SEED AND MULCH
EXISTING
GROUND
BASELINE
44'
EL. 44'~2%
EL. 46' 1%
NEW GEOTEXTILE -
SEE NOTE 2
22'
133' FROM BASELINE
SEE DETAIL 1
EXISTING GROUND
FILL SLOPE
GEOTEXTILEPROPOSED
DIKE RAISE
PROPOSED
STEP-INEL. 38'
EXISTING DIKE INTERIOR
EXCAVATION, SEE NOTE 3.
SEE BENCHING DETAIL
CN303
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.d
221+00
-10
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0 100 200 3000-100-200-300
222+00
-10
-10
0 100 200 3000-100-200-300
223+00
-10
-10
0 100 200 3000-100-200-300
224+00
-10
-10
0 100 200 3000-100-200-300
225+00
-10
-10
0 100 200 3000-100-200-300
226+00
-10
-10
0 100 200 3000-100-200-300
227+00
-10
-10
0 100 200 3000-100-200-300
228+00
-10
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0 100 200 3000-100-200-300
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VERTICAL SCALE: 1"=50' HORIZONTAL SCALE: 1"=100' CN304
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EXISTING GROUND (TYP.)
PROPOSED EXTERIOR TOE BERM (TYP.)
1%
CELL 3 EXTERIOR (TYP.)
CELL 3 EXISTING DIKE (TYP.)
CELL 3 INTERIOR (TYP.)
SPILLWAY 7 (APPROX.)
C
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L3 _X
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dw g
PROPOSED INTERIOR
STEP-IN (TYP.)
229+00
-10
0 100 200 3000-100-200-300
230+00
-10
-10
0 100 200 3000-100-200-300
231+00
-10
-10
0 100 200 3000-100-200-300
232+00
-10
-10
0 100 200 3000-100-200-300
233+00
-10
-10
0 100 200 3000-100-200-300
234+00
-10
-10
0 100 200 3000-100-200-300
235+00
-10
-10
0 100 200 3000-100-200-300
236+00
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0 100 200 3000-100-200-300
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VERTICAL SCALE: 1"=50' HORIZONTAL SCALE: 1"=100' CN305
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EXISTING GROUND (TYP.)
PROPOSED EXTERIOR TOE BERM (TYP.)
1%
CELL 3 EXTERIOR (TYP.)
CELL 3 EXISTING DIKE (TYP.)
CELL 3 INTERIOR (TYP.)
C
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dw gPROPOSED INTERIOR
237+00
-10
0 100 200 3000-100-200-300
238+00
-10
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0 100 200 3000-100-200-300
239+00
-10
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0 100 200 3000-100-200-300
241+00
-10
-10
0 100 200 3000-100-200-300
242+00
-10
-10
0 100 200 3000-100-200-300
243+00
-10
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0 100 200 3000-100-200-300
244+00
-10
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0 100 200 3000-100-200-300
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VERTICAL SCALE: 1"=50' HORIZONTAL SCALE: 1"=100' CN306
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EXISTING GROUND (TYP.)
PROPOSED EXTERIOR TOE BERM (TYP.)
1%
CELL 3 EXTERIOR (TYP.)
CELL 3 EXISTING DIKE (TYP.)
CELL 3 INTERIOR (TYP.)
C
EL
L3 _X
S.
dw g
SPILLWAY 8 (APPROX.)
245+00
-10
0 100 200 3000-100-200-300
246+00
-10
-10
0 100 200 3000-100-200-300
247+00
-10
-10
0 100 200 3000-100-200-300
248+00
-10
-10
0 100 200 3000-100-200-300
249+00
-10
-10
0 100 200 3000-100-200-300
250+00
-10
-10
0 100 200 3000-100-200-300
251+00
-10
-10
0 100 200 3000-100-200-300
252+00
-10
-10
0 100 200 3000-100-200-300
SO
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SHEET ID
B
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Feet 0 100 200
Feet 0 100 200
VERTICAL SCALE: 1"=50' HORIZONTAL SCALE: 1"=100' CN307
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EXISTING GROUND (TYP.)
PROPOSED EXTERIOR TOE BERM (TYP.)
1%
CELL 3 EXTERIOR (TYP.)
CELL 3 EXISTING DIKE (TYP.)
CELL 3 INTERIOR (TYP.)
C
EL
L3 _X
S.
dw g
253+00
-10
0 100 200 3000-100-200-300
254+00
-10
-10
0 100 200 3000-100-200-300
255+00
-10
-10
0 100 200 3000-100-200-300
256+00
-10
-10
0 100 200 3000-100-200-300
257+00
-10
-10
0 100 200 3000-100-200-300
258+00
-10
-10
0 100 200 3000-100-200-300
259+00
-10
-10
0 100 200 3000-100-200-300
260+00
-10
-10
0 100 200 3000-100-200-300
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B
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Feet 0 100 200
Feet 0 100 200
VERTICAL SCALE: 1"=50' HORIZONTAL SCALE: 1"=100' CN308
C
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EX
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R O
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EXISTING GROUND (TYP.)
1%
CELL 3 EXTERIOR (TYP.)
CELL 3 EXISTING DIKE (TYP.)
CELL 3 INTERIOR (TYP.)
C
EL
L3 _X
S.
dw g
PROPOSED EXTERIOR TOE BERM (TYP.)
261+00
-10
0 100 200 3000-100-200-300
262+00
-10
-10
0 100 200 3000-100-200-300
263+00
-10
-10
0 100 200 3000-100-200-300
264+00
-10
-10
0 100 200 3000-100-200-300
265+00
-10
-10
0 100 200 3000-100-200-300
266+00
-10
-10
0 100 200 3000-100-200-300
267+00
-10
-10
0 100 200 3000-100-200-300
268+00
-10
-10
0 100 200 3000-100-200-300
SO
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SHEET ID
B
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US Army Corps of Engineers
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AG
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Feet 0 100 200
Feet 0 100 200
VERTICAL SCALE: 1"=50' HORIZONTAL SCALE: 1"=100' CN309
C
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L
EX
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R T
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R
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EXISTING GROUND (TYP.)
PROPOSED EXTERIOR TOE BERM (TYP.)
1%
CELL 3 EXTERIOR (TYP.)
CELL 3 EXISTING DIKE (TYP.)
CELL 3 INTERIOR (TYP.)
C
EL
L3 _X
S.
dw g
269+00
-10
0 100 200 3000-100-200-300
270+00
-10
-10
0 100 200 3000-100-200-300
271+00
-10
-10
0 100 200 3000-100-200-300
272+00
-10
-10
0 100 200 3000-100-200-300
273+00
-10
-10
0 100 200 3000-100-200-300
274+00
-10
-10
0 100 200 3000-100-200-300
275+00
-10
-10
0 100 200 3000-100-200-300
276+00
-10
-10
0 100 200 3000-100-200-300
SO
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SHEET ID
B
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US Army Corps of Engineers
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Feet 0 100 200
Feet 0 100 200
VERTICAL SCALE: 1"=50' HORIZONTAL SCALE: 1"=100' CN310
C
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EX
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R
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R T
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R
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+0
TO
+0
EXISTING GROUND (TYP.)
PROPOSED EXTERIOR TOE BERM (TYP.)
1%
CELL 3 EXTERIOR (TYP.)
CELL 3 EXISTING DIKE (TYP.)
CELL 3 INTERIOR (TYP.)
C
EL
L3 _X
S.
dw gPROPOSED INTERIOR
284+00
-10
0 100 200 3000-100-200-300
277+00
-10
-10
0 100 200 3000-100-200-300
278+00
-10
-10
0 100 200 3000-100-200-300
279+00
-10
-10
0 100 200 3000-100-200-300
280+00
-10
-10
0 100 200 3000-100-200-300
281+00
-10
-10
0 100 200 3000-100-200-300
282+00
-10
-10
0 100 200 3000-100-200-300
283+00
-10
-10
0 100 200 3000-100-200
SO
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IS
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B
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US Army Corps of Engineers
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Feet 0 100 200
Feet 0 100 200
VERTICAL SCALE: 1"=50' HORIZONTAL SCALE: 1"=100' CN311
C
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L
EX
TE
R
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R T
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R
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R O
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+0
TO
+0
EXISTING GROUND (TYP.)
PROPOSED EXTERIOR TOE BERM (TYP.)
1%
CELL 3 EXTERIOR (TYP.)
CELL 3 EXISTING DIKE (TYP.)
CELL 3 INTERIOR (TYP.)
C
EL
L3 _X
S.
dw g
285+00
-10
0 100 200 3000-100-200
286+00
-10
-10
0 100 200 3000-100-200
287+00
-10
-10
0 100 200 3000-100-200
288+00
-10
-10
0 100 200 3000-100-200
289+00
-10
-10
0 100 200 3000-100-200
290+00
-10
-10
0 100 200 3000-100-200
291+00
-10
-10
0 100 200 3000-100-200
292+00
-10
-10
0 100 200 3000-100-200
SO
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B
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Feet 0 100 200
VERTICAL SCALE: 1"=50' HORIZONTAL SCALE: 1"=100' CN312
C
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EX
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EXISTING GROUND (TYP.)
PROPOSED INTERIOR STEP-IN (TYP.)
CELL 3 EXTERIOR (TYP.)
CELL 3 EXISTING DIKE (TYP.)
CELL 3 INTERIOR (TYP.)
C
EL
L3 _X
S.
dw
293+00
-10
0 100 200 3000-100-200
294+00
-10
-10
0 100 200 3000-100-200
295+00
-10
-10
0 100 200 3000-100-200
296+00
-10
-10
0 100 200 3000-100-200
297+00
-10
-10
0 100 200 3000-100-200
298+00
-10
-10
0 100 200 3000-100-200
299+00
-10
-10
0 100 200 3000-100-200
300+00
-10
-10
0 100 200 3000-100-200
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B
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US Army Corps of Engineers
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Feet 0 100 200
VERTICAL SCALE: 1"=50' HORIZONTAL SCALE: 1"=100' CN313
C
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EX
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R
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BE
R
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TO
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EXISTING GROUND (TYP.)
PROPOSED INTERIOR STEP-IN (TYP.)
CELL 3 EXTERIOR (TYP.)
CELL 3 EXISTING DIKE (TYP.)
CELL 3 INTERIOR (TYP.)
C
EL
L3 _X
S.
301+00
-10
0 100 200 3000-100-200
302+00
-10
-10
0 100 200 3000-100-200
303+00
-10
-10
0 100 200 3000-100-200
304+00
-10
-10
0 100 200 3000-100-200
305+00
-10
-10
0 100 200 3000-100-200
306+00
-10
-10
0 100 200 3000-100-200
307+00
-10
-10
0 100 200 3000-100-200
308+00
-10
-10
0 100 200 3000-100-200
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B
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Feet 0 100 200
Feet 0 100 200
VERTICAL SCALE: 1"=50' HORIZONTAL SCALE: 1"=100' CN314
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EXISTING GROUND (TYP.)
PROPOSED INTERIOR STEP-IN (TYP.)
CELL 3 EXTERIOR (TYP.)
CELL 3 EXISTING DIKE (TYP.)
CELL 3 INTERIOR (TYP.)
C
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L3 _X
S.
309+00
-10
0 100 200 3000-100-200
310+00
-10
-10
0 100 200 3000-100-200
311+00
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-10
0 100 200 3000-100-200
312+00
-10
-10
0 100 200 3000-100-200
313+00
-10
-10
0 100 200 3000-100-200
314+00
-10
-10
0 100 200 3000-100-200
315+00
-10
-10
0 100 200 3000-100-200
316+00
-10
-10
0 100 200 3000-100-200
SO
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D R
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B Y:
IS
SU
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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
E
AG
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LA
N
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L
BR
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SW
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TI
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Feet 0 100 200
Feet 0 100 200
VERTICAL SCALE: 1"=50' HORIZONTAL SCALE: 1"=100' CN315
C
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L
EX
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R
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R T
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BE
R
M C
R O
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TI
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TO
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EXISTING GROUND (TYP.)
PROPOSED INTERIOR STEP-IN (TYP.)
CELL 3 EXTERIOR (TYP.)
CELL 3 EXISTING DIKE (TYP.)
CELL 3 INTERIOR (TYP.)
C
EL
L3 _X
S.
317+00
-10
0 100 200 3000-100-200
318+00
-10
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0 100 200 3000-100-200
SO
LI
C
IT
AT
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N N
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D
B Y:
D R
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N
B Y:
IS
SU
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AT
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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
LE
IS
LA
N
D C
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L
BR
U N
SW
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K C
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N
TY
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N A
U .S
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M Y
C O
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PS
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G
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R S
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