A21 - W912PM24B0006_AMD 4 Final.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

The purpose of this amendment is to update the environmental w indow s, change CLIN 0004 to an option, and break out CLIN 0009 into dredging and placement area maintenance.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 7

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

16C. DATE SIGNED

BY 09-Aug-2024

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street , County, State and Zip Code) X W912PM24B0006

X 9B. DATED (SEE ITEM 11)

22-Jul-2024

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended, X is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN

REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

09-Aug-2024

CODE

U S ARMY CORPS OF ENGINEERS, WILMINGTON

WILMINGTON DISTRICT

ATTN: CONTRACTING DIVISION

69 DARLINGTON AVE

WILMINGTON NC 28403-1343

W912PM 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912PM24B0006

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SECTION 00 00 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS

SUMMARY OF CHANGES

SECTION 00 10 00 - SOLICITATION, CONTRACT LINE ITEM NUMBER (CLIN) SCHEDULE

CLIN 0004

The CLIN type priced has been deleted.

The CLIN description has changed from Dredging, Section 2 Tangent I & J - to OBI 14 Dredging Section 2 Tangent I & J-.

The pricing detail quantity 88,000.00 has been deleted.

The unit of issue Cubic Yard has been deleted.

The option status has changed from No Status to Option.

The FOB Destination has been deleted.

The PSC code Z1KF has been deleted.

The PROG code C20 has been deleted.

The WSC Equipment code 000 has been deleted.

The NAICS code 237990 has been deleted.

The MDAP/MAIS Code 000 has been deleted.

CLIN 0009

The CLIN type priced has been deleted.

The pricing detail quantity 23,000.00 has been deleted.

The unit of issue Cubic Yard has been deleted.

The FOB Destination has been deleted.

The PSC code Z1KF has been deleted.

The PROG code C20 has been deleted.

The WSC Equipment code 000 has been deleted.

The NAICS code 237990 has been deleted.

The MDAP/MAIS Code 000 has been deleted.

SUBCLIN 0004AA is added as follows:

ITEM NO SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

0004AA 88,000 Cubic

Yard

OPTION Dredging Section 2 Tangent I & J-FFP

Dredging, Section 2 Tangent I & J (New Rivier Inlet Crossing) in accordance with the specifications.

Placement Site: North Topsail Beach FOB: Destination

PSC CD: Z1KF

NET AMT

SUBCLIN 0004AB is added as follows:

0004AB 1 Job OPTION Performance and Payment Bonds -FFP

SUBCLIN 0009AA is added as follows:

0009AA 23,000 Cubic

Yard

Dredging, Core Creek Range H -FFP

Dredging, Core Creek Range H in accordance with the attached specifications.

Placement site: DA 23

SUBCLIN 0009AB is added as follows:

0009AB 1 Job Placement Area 23 Maintenance -FFP

Placement Area 23 Maintenance in accordance with the specifications.

The following have been modified:

NOTICE TO BIDDERS

NOTE 1:

PLEASE BE SURE TO INCLUDE UNIT PRICES ROUNDED TO TWO (2) DECIMAL PLACES.

NOTE 2:

EXCEPT WHEN IT IS DETERMINED IN ACCORDANCE WITH FAR 17.206(B) NOT TO BE IN THE

GOVERNMENT’S BEST INTERESTS, THE GOVERNMENT WILL EVALUATE BIDS FOR AWARD

PURPOSES, BY ADDING THE TOTAL PRICE FOR ALL OPTIONS TO THE TOTAL PRICE FOR THE BASIC

REQUIREMENT. THE EVALUATION OF OPTIONS WILL NOT OBLIGATE THE GOVERNMENT TO

EXERCISE THE OPTION.

THE ENVIRONMENTAL WINDOW FOR THIS PROJECT:

CORE CREEK CHANNELS 1 NOVEMBER 24 TO 30 APRIL 25

THE ENVIRONMENTAL WINDOWS FOR PLACEMENT OF DREDGED MATERIAL ON ONSLOW BEACH

AND OAK ISLAND BEACH EXTENDS FROM 16 NOVEMBER 2024 TO 31 MARCH 2025 AND ON NORTH

TOPSAIL BEACH, OCEAN ISLE BEACH, AND CAROLINA BEACH FROM 16 NOVEMBER 2024 TO 30

APRIL 2025 DEPENDING ON THE BEACH PLACEMENT AREA LOCATION. THE ENVIRONMENTAL

WINDOW FOR DREDGING THE USCG STATION IS 01 OCTOBER 2024 THROUGH 31 MARCH 2025.

THERE IS NO ENVIRONMENTAL WINDOW FOR PLACEMENT AT DA277.

NOTE 3:

THE PERIOD OF PERFORMANCE FOR THIS CONTRACT IS 16 NOVEMBER 2024 TO 30 APRIL 2025 FOR CLNS 0001 - 0018. THE PERIOD OF PERFORMANCE FOR CLINS 0019 – 0022 IS 16 NOVEMBER 2024 TO 30 JUNE 2025. THE PERIOD OF PERFORMANCE FOR CLIN 0023 IS 01 OCTOBER 2024 THROUGH 31

MARCH 2025.

THE GOVERNMENT RESERVES THE RIGHT TO EXERCISE OPTIONAL BID ITEMS AS FOLLOWS:

OPTIONAL BID 1 - ON OR BEFORE 28 APRIL 2025

OPTIONAL BID 2 - ON OR BEFORE 28 APRIL 2025

OPTIONAL BID 3 - ON OR BEFORE 28 APRIL 2025

OPTIONAL BID 4 - ON OR BEFORE 28 APRIL 2025

OPTIONAL BID 5 - ON OR BEFORE 28 APRIL 2025

OPTIONAL BID 6 – 90 DAYS OF CONTRACT AWARD

OPTIONAL BID 7 –90 DAYS OF CONTRACT AWARD

OPTIONAL BID 8 -90 DAYS OF CONTRACT AWARD

OPTIONAL BID 9 -90 DAYS OF CONTRACT AWARD

OPTIONAL BID 10 -90 DAYS OF CONTRACT AWARD

OPTIONAL BID 11 -90 DAYS OF CONTRACT AWARD

OPTIONAL BID 12 -90 DAYS OF CONTRACT AWARD

OPTIONAL BID 13 -90 DAYS OF CONTRACT AWARD

OPTIONAL BID 14 -90 DAYS OF CONTRACT AWARD

REFER TO CLAUSE 52.211-10 COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK

(APR 1984) FOR INFORMATION REGARDING PERFORMANCE DATES.

NOTE 4:

THE EXERCISE OF THE OPTIONAL BID ITEMS SHALL BE SUBJECT TO THE AVAILABILITY OF

FUNDS.

TOTAL OF ALL BID ITEMS

TOTAL AMOUNT OF LINE ITEM 0001-0003 $___________________

TOTAL AMOUNT OF LINE ITEM 0004 – 004AB $___________________

TOTAL AMOUNT OF LINE ITEM 0005 – 0011 $___________________

TOTAL AMOUNT OF LINE ITEM 00012 – 012AB $___________________

TOTAL AMOUNT OF LINE ITEM 00013 – 0013AB $___________________

TOTAL AMOUNT OF LINE ITEM 0014 – 0014AB $___________________

TOTAL AMOUNT OF LINE ITEM 0015 – 0015AC $___________________

TOTAL AMOUNT OF LINE ITEM 0016 – 0016AB $___________________

TOTAL AMOUNT OF LINE ITEM 0017 – 0017AB $___________________

TOTAL AMOUNT OF LINE ITEM 0018 – 0018AB $___________________

TOTAL AMOUNT OF LINE ITEM 0019 - 0019AB $___________________

TOTAL AMOUNT OF LINE ITEM 0020 - 0020AB $___________________

TOTAL AMOUNT OF LINE ITEM 0021 - 0021AB $___________________

TOTAL AMOUNT OF LINE ITEM 0022 - 0022AB $___________________

TOTAL AMOUNT OF LINE ITEM 0023 - 0023AC $___________________

TOTAL AMOUNT OF LINE ITEM 0024 - 0024AC $___________________

TOTAL AMOUNT OF ALL LINE ITEM 0001 – 0024AC $___________________

SECTION 00 70 00 - CONDITIONS OF THE CONTRACT

The following have been modified:

52.217-7 OPTION FOR INCREASED QUANTITY--SEPARATELY PRICED LINE ITEM (MAR 1989)

The Government may require the delivery of the numbered line item, identified in the Schedule as an option item, in the quantity and at the price stated in the Schedule. The Contracting Officer may exercise the option by written notice to the Contractor within:

Optional Bid Item 1 – 5 on or before 28 April 2025.

Optional Bid Item 6 – 14 within 90 days of contract award.

Delivery of added items shall continue at the same rate that like items are called for under the contract, unless the parties otherwise agree.

(End of clause)

SECTION 00 73 00 - SUPPLEMENTARY CONDITIONS

The Acceptance/Inspection Schedule for CLIN 0004 has been changed from:

INSPECT AT INSPECT BY ACCEPT AT ACCEPT BY

Destination Government Destination Government

To:

INSPECT AT INSPECT BY ACCEPT AT ACCEPT BY

N/A N/A N/A N/A

The following Acceptance/Inspection Schedule was added for SUBCLIN 0004AA:

Destination Government Destination Government

The following Acceptance/Inspection Schedule was added for SUBCLIN 0004AB:

The Acceptance/Inspection Schedule for CLIN 0009 has been changed from:

Destination Government Destination Government

To:

N/A N/A N/A N/A

The following Acceptance/Inspection Schedule was added for SUBCLIN 0009AA:

The following Acceptance/Inspection Schedule was added for SUBCLIN 0009AB:

The following Delivery Schedule for SUBCLIN 0004AA has been added:

DELIVERY DATE QUANTITY SHIP TO ADDRESS DODAAC /

CAGE

POP 16-NOV-2024 TO

30-APR-2025

N/A COASTAL RESIDENT OFFICE

JEREMIAH SMITH

69 DARLINGTON AVENUE

WILMINGTON NC 28403

910-251-4642

W912PM

The following Delivery Schedule for SUBCLIN 0004AB has been added:

DELIVERY DATE QUANTITY SHIP TO ADDRESS DODAAC /

CAGE

POP 16-NOV-2024 TO

30-APR-2025

N/A COASTAL RESIDENT OFFICE

JEREMIAH SMITH

69 DARLINGTON AVENUE

WILMINGTON NC 28403

910-251-4642

W912PM

(End of Summary of Changes)

Solicitation # W912PM24B0006 Date: 08 AUGUST 2024

Project Title – ATLANTIC INTRACOASTAL WATERWAY MAINTENANCE DREDGING FY25

CONTRACT NORTH CAROLINA

Amendment No. 0004

TECHNICAL SUMMARY OF CHANGES

1. CHANGES TO SPECIFICATIONS. Attached hereto are [new, revised and deleted] sections to the specifications. Revision mark “***AMENDMENT 0004***” is shown on each revised page.

A. REVISE SECTION

• Section 31 01 00 – DIKE EMBANKMENT o REVISED SUBSECTION – 1.10.1

Payment for the dike embankment and step-in, in accordance with the typical sections and cross sections shown on the drawings, will be at the appropriate contract unit price under items, "DA 284

Improvements", "DA293 Improvements", and "Placement Area

277 Cross Dike Installation" as listed in the BID SCHEDULE.

Payment for dike embankment repair as shown on the drawings will be at the appropriate contract price under "DA 23

Maintenance" as listed in the BID SCHEDULE.

Payment for “Placement Area 23” dike embankment work as shown on the drawings, is incidental to Dredging and should be included in the unit price under “Dredging Core Creek Ranges H

& I” as listed in the specifications.

Payment for the work to construct the spillways and furnish the stoplogs, in accordance with the plans and specifications shall be included in the contract unit price for items "DA 23 Maintenance", "DA 284 Improvements" and "DA 293 Improvements" as described in Section 33 40 02 SPILLWAY SYSTEM.

2. CHANGES TO DRAWINGS.

A. REVISED DRAWINGS (ISSUED)

• GI01 – Location Map and Index of Drawings o Revised dredging of Section 2 Tangent I and J, and placement of material on

North Topsail Beach to be options.

• CN106 – North Topsail Beach Placement o Revised placement of material on North Topsail Beach to be an option.

• CN107 – Section 2 Tangent I o Revised dredging of Section 2 Tangent I to be an option.

• CN108- Section 2 Tangent J

Solicitation # W912PM24B0006 Date: 08 AUGUST 2024

Project Title – ATLANTIC INTRACOASTAL WATERWAY MAINTENANCE DREDGING FY25

CONTRACT NORTH CAROLINA

Amendment No. 0004 o Revised dredging of Section 2 Tangent J to be an option.

…end of summary…

Solicitation No. W912PM24B0006 Contract No. W912PM24XXXXX

ATLANTIC INTRACOASTAL

WATERWAY

MAINTENANCE DREDGING

FY25 CONTRACT

NORTH CAROLINA

AMENDMENT 0004

SPECIFICATIONS

08-AUGUST-2024

FY25 ATLANTI C I NTERCOASTAL WATERWAY MAI NTENANCE DREDGI NG AI WWFY25

AMDT0004 W912PM24B0006

* * * AMDT0002* * *

1. 9 EXCAVATI ON AND BORROW PLAN

The Cont r act or shal l submi t a wr i t t en excavat i on and bor r ow pl an wi t hi n 10 days of t he Not i ce t o Pr oceed and appr oval r equi r ed pr i or t o t he begi nni ng of any excavat i on. Appr oval of t he det ai l ed pl an shal l be obt ai ned f r om t he Cont r act i ng Of f i cer or hi s/ her desi gnat ed r epr esent at i ve pr i or t o st ar t i ng t he wor k. I f necessar y, modi f y t he pl an as r equi r ed t o meet f i el d condi t i ons, and t he modi f i cat i ons shal l be appr oved pr i or t o use. As a mi ni mum, t he pl an shal l cont ai n t he f ol l owi ng:

a. Pr ovi s i on f or coor di nat i ng t he wor k wi t h ot her Cont r act or s, i f necessar y.

b. The pr oposed pl an and met hods t o dewat er t he const r uct i on ar ea and bor r ow ar ea al ong wi t h t he pr oposed met hods f or cont r ol l i ng sur f ace and gr ound wat er i n t he bor r ow ar eas and r equi r ed excavat i ons.

c. The pr oposed met hod i n det er mi nat i on of mat er i al t ypes f r om t he bor r ow ar ea, i ncl udi ng t ype of t est s and f r equency.

d. The pr oposed sequence of wor k f or any excavat i ng of t he exi st i ng di ke as shown on t he pl ans and f or excavat i ng t he bor r ow ar ea wi t h pl an and cr oss sect i onal v i ews showi ng st ar t i ng and f i nal wor k l ocat i ons and cl ear i ng and gr ubbi ng l i mi t s.

e. A compl et e l i s t i ng of equi pment used f or excavat i on and t o t r anspor t t he excavat ed mat er i al .

f . The pr oposal s f or conser vi ng ar abl e l and and f or maki ng opt i mum use of avai l abl e bor r ow, i ncl udi ng t he Cont r act or ' s pr oposed met hods f or gr adi ng t he bot t om of t he bor r ow ar eas af t er compl et i ng use of t he bor r ow ar eas.

g. The pr oposed r oad pat t er n, and pl an f or i mpl ement i ng dust cont r ol measur es.

h. St ockpi l i ng pl an f or embankment mat er i al bef or e i t i s t r anspor t ed f or pl acement showi ng l ocat i ons, st ockpi l e hei ght s, s l opes, l i mi t s, and dr ai nage ar ound t he st ockpi l e ar eas.

1. 10 MEASUREMENT AND PAYMENT

1. 10. 1 Di ke Embankment

Payment f or t he di ke embankment and st ep- i n, i n accor dance wi t h t he t ypi cal sect i ons and cr oss sect i ons shown on t he dr awi ngs, wi l l be at t he appr opr oat eappr opr i at e cont r act uni t pr i ce under i t ems, " DA 284 I mpr ovement s" , " DA293 I mpr ovement s" , and " Pl acement Ar ea 277 Cr oss Di ke I nst al l at i on" as l i s t ed i n t he BI D SCHEDULE. Payment f or di ke embankment r epai r as shown on t he dr awi ngs wi l l be at t he appr opr i at e cont r act pr i ce under " DA 23 Mai nt enance" as l i s t ed i n t he BI D SCHEDULE.

Payment f or " Pl acement Ar ea 23" di ke embankment wor k as shown on t he dr awi ngs, i s i nci dent al t o Dr edgi ng and shoul d be i ncl uded i n t he uni t pr i ce under " Dr edgi ng Cor e Cr eek Ranges H & I " as l i s t ed i n t he

BI DSCHEDULE.

SECTI ON 31 01 00 Page 8

FY25 ATLANTI C I NTERCOASTAL WATERWAY MAI NTENANCE DREDGI NG AI WWFY25

AMDT0004 W912PM24B0006

Payment f or t he wor k t o const r uct t he spi l l ways and f ur ni sh t he st opl ogs, i n accor dance wi t h t he pl ans and speci f i cat i ons shal l be i ncl uded i n t he cont r act uni t pr i ce f or i t ems " DA 23 Mai nt enance" , " DA 284 I mpr ovement s" and " DA 293 I mpr ovement s" as descr i bed i n Sect i on 33 40 02 SPI LLWAY

SYSTEM.

PART 2 PRODUCTS

2. 1 MATERI ALS

2. 1. 1 Di ke Embankment

Cl assi f i cat i on of soi l s shal l be i n accor dance wi t h ASTM D 2487, whi ch f or ms a par t of t hese speci f i cat i ons. Soi l s as def i ned i n subpar agr aph Sat i sf act or y Mat er i al ar e sat i sf act or y f or di ke embankment const r uct i on.

Coar se- gr ai ned soi l s c l assi f i ed as GW, GP, GM, GC, SP- SM, SP- SC, SW, and SP ar e sat i sf act or y f or t he f i nal l i f t of t he di ke embankment const r uct i on. Ot her mat er i al s such as or gani c debr i s, peat , mowed veget at i on, wood pi eces and r ock l ar ger t han 3 i nches i n any di mensi on, st umps, gl ass, t r ash and ot her debr i s ar e unsat i sf act or y. Near sur f ace or gani c soi l shoul d be r emoved and st or ed i n a st ockpi l e t hat i s separ at e f r om t he sui t abl e mat er i al st ockpi l es. The MH and CH must be suf f i c i ent l y dr i ed t o be a wor kabl e f i l l mat er i al . Mi xi ng of sat i sf act or y mat er i al s t o pr ovi de a mor e wor kabl e di ke embankment i s al l owed. Al l f i l l mat er i al must be at a moi st ur e cont ent t hat al l ows compact i on and wor kabi l i t y .

2. 1. 2 Cohesi onl ess and Cohesi ve Mat er i al s

Cohesi onl ess mat er i al s i ncl ude mat er i al s c l assi f i ed i n ASTM D 2487 as GW, GP, SP, SW, SP- SM and SP- SC. Cohesi ve mat er i al s i ncl ude mat er i al s c l assi f i ed as GC, SC, ML, CL, MH, and CH. Mat er i al s c l assi f i ed as GM and SM wi l l be i dent i f i ed as cohesi onl ess onl y when t he f i nes ar e non- pl ast i c. Test i ng r equi r ed f or c l assi f y i ng mat er i al s shal l be i n accor dance wi t h ASTM D 2487, ASTM D4318, ASTM C 136, ASTM D6913 and

ASTM D1140.

2. 1. 3 Of f Si t e Bor r ow

I n t he event sat i sf act or y mat er i al s cannot be obt ai ned on- si t e f or sel ect f i l l , t he Cont r act or may ut i l i ze mat er i al sour ces f r om si t es l ocat ed of f Feder al pr oper t y. The mat er i al shal l be sat i sf act or y as def i ned i n t hi s sect i on of t he speci f i cat i ons f or t he di ke embankment ; meet compact i on r equi r ement s and be appr oved by t he Cont r act i ng Of f i cer or hi s/ her desi gnat ed r epr esent at i ve.

PART 3 EXECUTI ON

3. 1 BORROW AREA

Mat er i al f or t he const r uct i on of t he di ke embankment shal l be obt ai ned f r om wi t hi n each di ked pl acement ar ea as i ndi cat ed on t he dr awi ngs pr ovi ded t hat i t meet s t he r equi r ement s f or sat i sf act or y mat er i al f or t he i nt ended pur pose of di ke embankment . Al l bor r ow ar ea si de sl opes shal l not be st eeper t han 3 hor i zont al t o 1 ver t i cal ( 3H: 1V) unl ess st at ed ot her wi se i n t he cont r act dr awi ngs.

The Cont r act or shoul d ant i c i pat e encount er i ng soi l s wi t hi n t he di ked pl acement ar ea t o have a moi st ur e cont ent t oo hi gh t o achi eve sat i sf act or y compact i on f or di ke const r uct i on. Thi s may r equi r e act i v i t i es such as

SECTI ON 31 01 00 Page 9

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ISSUE DATE:

US Army Corps of Engineers ®

Wilmington District

AUGUST 2024

CONTRACT NO.: W912PM24C00XX

SOLICITATION NO.: W912PM24B0006

G

1.

dw g

ATLANTIC INTRACOASTAL WATERWAY

MAINTENANCE DREDGING

FY25 CONTRACT

NORTH CAROLINA

AMENDMENT SET - 004

AMENDMENTS:

004 - 08 AUGUST 2024

Carolina Beach

Wilmington

Topsail Beach

Morehead City Beaufort

Washington

Jacksonville

SECTION 2 TANGENT F

ONSLOW BEACH PLACEMENT

INDEX OF DRAWINGS

SHEET NO. TITLE

G001 COVER

GI01 LOCATION MAP AND INDEX OF DRAWINGS

CN100 DA 23 PLACEMENT

CN101 CORE CREEK RANGE H

CN102 CORE CREEK RANGE I

CN103 DA 23 PLACEMENT DETAILS

CN104 ONSLOW BEACH PLACEMENT

CN105 SECTION 2 TANGENT F

CN106 NORTH TOPSAIL BEACH PLACEMENT(OPTION #14)

CN107 SECTION 2 TANGENT I (OPTION #14)

CN108 SECTION 2 TANGENT J (OPTION #14)

CN109 CAROLINA BEACH PLACEMENT AREA

CN110 SECTION 5 TANGENT 3

CN111 SECTION 5 TANGENT 4 AND 4A

CN112 OAK ISLAND BEACH PLACEMENT

CN113 CFR-LR TANGENT 11 AND LOCKWOOD FOLLY WIDENER (OPTION #6)

CN114 OCEAN ISLE BEACH PLACEMENT

CN115 CFR-LR TANGENT 19 AND SHALLOTTE WIDENER (OPTION #7)

CN116 CFR-LR TANGENT 20

CN117 DA 277 PLACEMENT (OPTION #13)

CN118 U.S. COAST GUARD STATION (OPTION #12)

CN119 DA 277 PLACEMENT DETAILS (OPTION #13)

CN120 DA 284 PLACEMENT (OPTION #9)

CN121 CFR-LR TANGENT 08 (OPTION #8)

CN122 DA 284 PLACEMENT DETAILS (OPTION #8)

CN123-CN129 DA 284 CROSS SECTIONS (OPTION #8)

CN130 DA 293 PLACEMENT (OPTION #11)

CN131 CFR-LR TANGENT 17 (OPTION #10)

CN132 DA 293 PLACEMENT DETAILS (OPTION #11)

CN133-CN134 DA 293 CROSS SECTIONS (OPTION #11)

CN501 EROSION & SEDIMENT CONTROL NOTES AND DETAILS

S001 STRUCTURAL NOTES

S101A DA 284 STRUCTURAL WEIR RISER SYSTEM PLAN AND SECTION

S101B DA 293 STRUCTURAL WEIR RISER SYSTEM PLAN AND SECTION

S102A DA 284 STRUCTURAL WEIR RISER FABRICATION ELEVATIONS

S102B DA 293 STRUCTURAL WEIR RISER FABRICATION ELEVATIONS

S103 STRUCTURAL WEIR RISER FABRICATION SECTIONS AND DETAILS

S104 STRUCTURAL WEIR RISER FABRICATION SECTIONS AND DETAILS

S105 STRUCTURAL WEIR RISER FABRICATION SECTIONS AND DETAILS

S106 STRUCTURAL WEIR RETURN PIPE ANCHORAGE SECTIONS AND DETAILS

S107 SPILLWAY MISCELLANEOUS DETAILS

S108 STRUCTURAL GRATING DETAILS

SCALE IN MILES

20 300 10

CFR-LR TANGENT 11 - OAK ISLAND PLACEMENT

LOCKWOODS FOLLY INLET WIDENER (OPTION #6)

CFR-LR TANGENT 19 - OCEAN ISLE BEACH PLACEMENT

CFR-LR TANGENT 20 - OCEAN ISLE BEACH PLACEMENT

SHALLOTTE INLET CROSSING WIDENER (OPTION #7)

CFR-LR TANGENT 08 - PLACEMENT AREA 284 (OPTION #8 & #9)

CFR-LR TANGENT 17 - PLACEMENT AREA 293 (OPTION #10 & #11)

USCG RANGE 1 AND 2 (OPTION #12)

PLACEMENT AREA 277 (OPTION #13)

CORE CREEK RANGE H

CORE CREEK RANGE I

PLACEMENT AREA 23

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SECTION 2 TANGENT I (OPTION #14)

SECTION 2 TANGENT J (OPTION #14)

NORTH TOPSAIL BEACH PLACEMENT(OPTION #14)

SECTION 5 TANGENT 3

SECTION 5 TANGENT 4 AND 4A

CAROLINA BEACH PLACEMENT

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AutoCAD SHX Text N

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AutoCAD SHX Text

RIVER

AutoCAD SHX Text

GREENE

AutoCAD SHX Text

CARTERET

AutoCAD SHX Text

WASHINGTON

AutoCAD SHX Text

DARE

AutoCAD SHX Text

TYRREL

AutoCAD SHX Text

BEAUFORT

AutoCAD SHX Text

PAMLICO

AutoCAD SHX Text

CRAVEN

AutoCAD SHX Text

HANOVER

AutoCAD SHX Text

NEW

AutoCAD SHX Text

ONSLOW

AutoCAD SHX Text

JONES

AutoCAD SHX Text

LENOIR

AutoCAD SHX Text

DUPLIN

AutoCAD SHX Text

PENDER

AutoCAD SHX Text

BRUNSWICK

AutoCAD SHX Text

COLUMBUS

AutoCAD SHX Text

BLADEN

AutoCAD SHX Text

SAMPSON

AutoCAD SHX Text

MARTIN

AutoCAD SHX Text

WAYNE

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PITT

AutoCAD SHX Text

WILSON

AutoCAD SHX Text

JOHNSTON

AutoCAD SHX Text

EDGECOMBE

AutoCAD SHX Text

NASH

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RIVER

AutoCAD SHX Text

HYDE

AutoCAD SHX Text

PAMLICO SOUND

© 2024 Microsoft Corporation © 2024 Maxar ©CNES (2024) Distribution Airbus DS

APPROXIMATE BEGINNING POINT

FOR BEACH PLACEMENT

N: 285844.72 E: 2497514.26

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NATURAL SLOPE

SLOPE

INTERCEPT

SLOPE INTERCEPT

N.T.S.

250'

EXISTING GROUND

N.T.S.

TRANSITION DETAIL

500' 500'

TOP OF BERM +6.0' NAVD 88

6' 6' 6' 6'

TYPICAL BEACH PLACEMENT SECTION

3000' APPROXIMATE LIMITS OF BEACH PLACEMENT AREA

LENGTH WILL BE DETERMINED

DURING CONSTRUCTION AND WILL

BE DEPENDANT ON QUANTITY OF

MATERIAL PLACED ON BEACH

250' WIDE

CONSTRUCTION

BERM

250' WIDE

CONSTRUCTION

BERM

TIE INTO EXISTING

6' NAVD 88 CONTOUR

TIE INTO EXISTING

6' NAVD 88 CONTOUR

1. DUE TO AGE OF PHOTOGRAPHY, PIPELINE ROUTE IS APPROXIMATE. THE CONTRACTOR SHALL NOTIFY THE TOWN OF NORTH TOPSAIL BEACH NO LESS THAN 15 DAYS PRIOR TO COMMENCEMENT OF PIPELINE PLACEMENT. POINT OF CONTACT WITH THE TOWN OF NORTH TOPSAIL BEACH IS ALICE DERIAN, TOWN MANAGER PHONE No.: 910-581-4026.

2. AT LEAST 15 DAYS PRIOR TO THE PLACEMENT OF PIPE, THE CONTRACTOR SHALL MEET ON SITE WITH THE CONTRACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE AND A REPRESENTATIVE OF THE NORTH CAROLINA WILDLIFE RESOURCES COMMISSION TO DETERMINE THE EXACT PIPELINE ROUTE. AS PIPELINE IS BEING LAID, CONTRACTOR SHALL CONSTRUCT RAMPS WHERE NECESSARY TO ALLOW PASSAGE OF VEHICLES OVER PIPELINE; THIS INCLUDES BUT IS NOT

LIMITED TO, ALL DRIVEWAYS FOR HOMEOWNERS.

3. VERTICAL DATUM NAVD88. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ESTABLISHING HORIZONTAL AND VERTICAL

CONTROL PRIOR TO PLACEMENT OF DREDGED MATERIAL IN THE DESIGNATED PLACEMENT AREA.

4. HORIZONTAL DATUM NAD 1983.

5. FOR DETAILS OF AREAS TO BE DREDGED, SEE SHEETS CN107 AND CN108.

6. THE CONTRACTOR SHALL BEGIN PLACEMENT OF DREDGED MATERIAL ON THE BEACH IN THE VICINITY OF THE INTERSECTION OF RIVER DRIVE AND NEW RIVER INLET ROAD. DUE TO ONGOING CHANGES TO THE SHORELINE CAUSED BY OCEAN WAVES, THE EXACT BEGINNING POINT FOR PLACEMENT OF DREDGED MATERIAL WILL BE ESTABLISHED BY THE CONTRACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE IMMEDIATELY PRIOR TO THE START OF DREDGING AND PLACEMENT OPERATIONS. PLACEMENT OF THE 100-FOOT WIDE BERM SHALL CONTINUE DOWN THE BEACH AS FAR AS

THE QUANTITY OF DREDGED MATERIAL WILL ALLOW.

7. ALL CONTRACTOR OPERATIONS SHALL BE PERFORMED IN A MANNER THAT AVOIDS DAMAGE TO EXISTING SANDBAGS, STRUCTURES AND ROADS. SANDBAGS, STRUCTURES AND ROADS DAMAGED BY CONTRACTOR OPERATIONS SHALL BE REPAIRED TO THE SATISFACTION OF THE CONTRACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE AT NO COST TO THE GOVERNMENT OR TO THE OWNERS OF THE DAMAGED PROPERTY. IN ORDER TO MINIMIZE THE RISK OF DAMAGE, WHEELED OR TRACKED EARTH MOVING EQUIPMENT SHALL NOT WORK CLOSER THAN 10 FEET FROM STRUCTURES DURING ALL WORK INCLUDING DISTRIBUTION AND MOVEMENT OF BEACH FILL MATERIAL. EXISTING SANDBAGS BELOW ELEVATION 5 FEET THAT LIE WITHIN THE BEACH FILL LIMITS SHALL BE COVERED WITH FILL EXCEPT EXISTING SANDBAGS AT TOPSAIL REEFS SHALL NOT BE COVERED. IN AREAS WHERE IT IS NOT POSSIBLE TO TIE INTO THE 5-FOOT CONTOUR, THE

CONTRACTOR SHALL CONSTRUCT THE BACKSLOPE TO THE NATURAL ANGLE OF REPOSE.

8. NORTH TOPSAIL BEACH AND THE INLET BEACH ARE CONSIDERED SUITABLE HABITAT FOR SHORE BIRDS AND SEA TURTLES.

ALL WORK ON THE BEACH INCLUDING PIPE REMOVAL SHALL BE COMPLETED BY 30 APRIL 2025. SEE PARAGRAPH ENVIRONMENTAL WINDOWS OF SECTION 01 57 19 OF THE SPECIFICATIONS FOR ENVIRONMENTAL WINDOWS AND

RESTRICTIONS. NO ENVIRONMENTAL WINDOW EXTENSION WILL BE GRANTED.

NOTES

SECTION 2 TANGENT J

SECTION 2 TANGENT ISE

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SECTION 2

TANGENT H

SECTION 2 TANGENT G

SECTION 3 TANGENT 2

SECTION 3 TANGENT 3A

APPROXIMATE PIPELINE ROUTE

AREA TO BE DREDGED

LEGEND

SCALE 1"=1000'

3000'APPROXIMATE LIMITS OF PLACEMENT AREA FILL MATERIAL SHALL BE PLACED

DOWN THE BEACH AT THE DESIGNATED BEACH PLACEMENT WIDTH UNTIL

MATERIAL TO BE DREDGED IS EXHAUSTED. WIDTH OF TYPICAL BEACH

PLACEMENT SECTION MAY BE ADJUSTED AT THE DISCRETION OF THE C.O.R.

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N: 296640.57 E: 2497174.88

N: 296553.16 E: 2497148.11

N: 296677.24 E: 2496742.89

N: 296499.76 E: 2496282.79

N: 296940.52 E: 2496194.16

CHANNEL PRISM LINE

85+0090+0095+00100+00105+00109+97.43

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-9 5 -14 5

-21 0

-13 2

-13 7

-11 3

-12 9

-13 0

-13 5

-13 6

-19 7

-12 2

-13 8

-16 2

-13 9

-7 5

-9 3

-11 3

-12 8

-9 1

-17 6

-11 3

-8 3

-13 4

-8 1

-16 4

-18 4

-8 0

-23 0

-18 4

-7 0 -12 1

-10 4

-14 7

-12 1

-12 8

-6 2

-11 7

-5 5

-9 3

-13 2

-7 9 -17 3

-9 7

-13 8

-14 0

-5 9

-13 5

-21 1

-2 8

-6 4

-16 3

-9 5

-11 5

-10 1

-9 9

-9 4

-11 5

-19 7

-9 6

-11 8

-16 2

-19 4

-15 2

-13 3

-8 8-18 8

-17 6

-12 4

-8 5

-9 6

-8 9

-12 5

-9 6

-10 4

-8 6

-13 9

-5 5

-12 4

-22 1

-6 2

-12 4

-16 4

-13 5

-10 5

-13 0

-8 4

-9 8

-19 7

-13 6

-15 6

-13 9

-11 5

-12 8

-14 3

-13 5

-8 5

-12 3

-10 1

-11 2

-8 6

-11 3

-12 9

-11 5

-7 6

-6 3

-8 3

-20 4

-15 3

-12 4

-9 1

-13 5

-18 8

-9 8

-9 3

-13 2

-5 3

-6 6

-13 3

-14 3

-17 0

-15 6

-12 7

-13 0

-10 3

-6 5

-15 2

-12 1

-17 7

-11 6

-11 6

-16 2

-9 6

-9 7

-18 0

-13 9

-9 4

-10 5

-10 2

-18 9

-8 2

-16 9

-6 3

-13 7

-7 1

-9 3

-9 3

-19 1

-3 2

-9 8

-12

-12

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M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

TYPICAL DREDGING SECTION

(TYP)

M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

VARIES

TYPICAL DREDGING SECTION

NOT TO SCALE

(TYP)

SOUNDING

NAVIGATION AIDS

AREA TO BE DREDGED

CONTOUR-44

1. SOUNDINGS ARE EXPRESSED IN FEET AND TENTHS AND REFER TO NOAA'S REPORTED MEAN

LOWER LOW WATER (MLLW) RELATIVE TO THE 1983-2001 TIDAL EPOCH.

2. PROJECT SURVEYED 28 MAY 2024 WITH DISTRICT SURVEY VESSEL "ROGERS", USING RTK GPS

HORIZONTAL POSITIONING EQUIPMENT AND 200 KHZ SOUNDING EQUIPMENT.

3. TIDE GAGE LOCATED AT: DM 69

4. HORIZONTAL DATUM NAD 1983. VERTICAL DATUM MLLW.

5. INFORMATION DEPICTED ON THIS MAP REPRESENTS THE RESULTS OF SURVEYS MADE ON THE

DATES INDICATED AND CAN ONLY BE CONSIDERED AS INDICATING THE GENERAL CONDITIONS

EXISTING AT THAT TIME.

6. NAVIGATION AIDS LOCATED BY SURVEY VESSEL. ACCURATE +/- 3 METERS.

7. THE GOVERNMENT FURNISHED PLACEMENT AREA FOR DREDGED MATERIAL IS NORTH TOPSAIL

BEACH. FOR LOCATION OF PLACEMENT AREA, SEE SHEET CN106.

8. THE GOVERNMENT SHALL NOT BE LIABLE FOR THE CONTRACTOR'S FAILURE TO PROPERLY

PREPARE TO DEAL WITH THE EXISTING GEOLOGIC CONDITIONS AT EACH DREDGING AREA. THE

GOVERNMENT DOES NOT GUARANTEE THAT BORINGS INDICATE ACTUAL CONDITIONS, EXCEPT

FOR THE EXACT LOCATIONS AND THE TIME THAT THEY WERE MADE.

SECTION 2 TANGENT I

(OPTION #14)

SCALE BAR

NORTH ARROW

Feet 0 150 300

SECTION 2 TANGENT I

CENTERLINE OFFSET

SE

CT

IO

N

TA

NG

EN

T J

CHANNEL TO JACKSONVILLE

CHANNEL CENTERLINE

SCALE 1"=150'

NOTES

LEGEND

AM

EN

D M

EN

T

4, C H

AN

G

ED

S

EC

TI

O N

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AN

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EN

TS

I

AN

D J

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S

A U

G

-39.6

N: 295296.51 E: 2494283.14

N: 295228.48 E: 2494341.66

N: 295013.66 E: 2493954.39

N: 294971.45 E: 2494043.03

N: 294842.08 E: 2494039.61

N: 294844.46 E: 2493949.91

N: 295948.72 E: 2495041.18

N: 295880.83 E: 2495099.58

N: 296169.79 E: 2495435.30 N: 296499.78

E: 2496282.37

N: 296940.55 E: 2496193.74

0+005+0010+0015+0020+0025+0029+08.51

-11 4

-7 5

-5

-6

-10

-5

-11 5

-10

-4

-12 6

-6

-8

-11 9

-14

-14 9

-6

-15 6

-10 1

-13 7

-17 8

-13 6

-6

-10 5

-13 1

-15 0

-14 0

-18 6

-14 1

-9

-5

-9

-10 1

-8

-6

-10 8

-5

-12 6

-4 1

-9

-14 5

-11 7

-13 7 -11 2

-12 1

-14

-15

-13 0

-14 7

-5

-12

-10

-11 2

-12 9

-16 9

-9

-9

-9

-5

-11 1

-7

-11 2 -12

-17

-6

-15 1

-9

-13 1

-16 2

-9

-12 5

-10

-9

-14 5

-18 1

-10 0

-9

-15 0

-14 6

-15

-13 6

-16 0

-16 1

-9

-3

-12 0

-16 9

-4

-11 1

-11 5

-6

-21

-9

-11 6

-4 1

-8

-18 8

-11 0

-5

-4 7

-11 7

-9

-11 7

-18 6

-7

-7

-8

-8

-11 9

-15

-13 8

-19

-12

-12 6

-12 9

-16 1

-9 5

-12 6

-18 6

-14 0

-17 6

-17 6

-9

-14 7

-19 1

-18 7

-6

-12 8

-8 0

-19 1

-11 9

-18 9

-4 7

-9

-18

-10 2

-10 7

-7 7

-4

-7 8

-9

-8

-13 1

-13

-12 0

-8 6

-13 8

-9

-11 7 -11 4

-6

-12 8

-9 1

-5

-21 6

-14

-9

-7

-12 5

-14 3

-9

-8

-8

-18 3

-10 0

-11 8

-17 7

-13

-15

-10 3

-14 9

-10

-13 8

-18

-10

-15 9

-5

-9

-10 5

-16 3

-13

-10 9

-4

-6

-9 0

-4 3

-17 9

-21 3

-3

-14 9

-12 6

-12 9

-16

-18

-11 4

-7

-17

-19 7

-10 9

-7

-7

-16 8

-8

-14 4

-11 3

-12 1 -15

-10 0

-12 2

-18 0

-8

-6 8

-14 7

-15 5

-12 7

-9 3

-19

-9

-11 1

-12 1

-11 4

-12 2

-21 6

-18

-9

-6

-16 0

-6 3

-13 3

-11 5

-7

-15 3

-15

-8

-8

-11 4

-4

-11

-15 7

-9

-10 1

-13

-14 3

-9

-14 6

-10

-8 1

-10 7

-10 0

-12 2

-10

-9

-12 1

-15

-7

-11 1

-18

-13

-11 1 -11 6-9 0

-9

-7

-14 0

-9

-10 2

-12 5

-17

-17

-8

-10 3

-13

-12

-10 9

-12 8

-11 2

-13

-17

-18

-11 2

-12 3

-11 5

-14 9

-11 5

-14 2-14 0

-13

-14

-7

-15

-8 1

-15

-21 2

-13 1

-19

-14 0

-6

-6 1

-10

-15

-13

-8

-12

-14 6

-12 1

-20 3

-19

-6

-12 9

-16 5

-8

-6 9

-5 3

-4 9

-21 4

-6 8 -12 9

-7 7

-7 6

-17 7

-16 6

-14 3

-18

-14 3

-12 9

-16

-10 9

-11 8

-10

-10

-10 3

-11 3 -10

-13

-13 5

-15

-14 7

-18 8

-9

-17 7

-18 1

-9 1

-8

-10 9

-6

-10

-6

-7 5-10 3

-7

-16 1

-19 5

-13 7

-12 0

-9

-10

-11

-13

-8

-14

-11 5

-11 1

-10

-8

-9

-16 9

-8

-9 3-16

-17 1

-14 9

-9

-5

-19

-12 2

-15

-9

-12 5

-11 7

-15

-6

-12 6

-10 8

-15 7

-9

-10 3

-11 8

-8

-10

-11 6

-5

-15 1

-10 1

-5

-9

-12 6

-11 5

-12 0

-15

-12 3 -14 9

-17 3

-10 9

-9

-8 8

-11 2

-18 0

-14

-7

-9

-16 5 -8

-14 1

-10 0

-14 3

-19 0

-18 3

-14 9

-8 1

-11 2

-12 7

-19

-13

-15

-6

-13

-9 1

-12 3

-14 6

-15

-18 5

-12 3

-13

-13 3

-16

-4

-6

-6

-10 1

-8

-12 3

-18

-13

-7 7

-11 1

-11 3

-7 6

-20

-13 8

-20 1

-13 7

-8

-18

-13

-19 0

-9

-7

-17 3

-18 0

-9

-5

-8 1

-12

-13

-19 8

-17 1

-7 6

-12 3

-9

-8

-8

-13

-13 3 -11 3

-13 1

-5 1

-8

-20 9

-14 6

-11 9

-11 3

-10 8

-14 5

-8

-6

-12 9-15 0

-12 1

-9

-14 0

-11 5

-18 1

-20 3

-15 0

-14 1

-4 7

-11 8

-17 8

-6 3

-5

-16

-18 0

-12

-14 6

-13

-10

-8

-13 3

-13 6

-6

-8

-13 9

-9

-14 7

-10 7

-20

-13

-16

-7

-9

-6 3

-10

-7 8 -12 1

-17 5

-12

-11 1

-4

-5

-12

-14 9

-6 3

-10 7

-13

-10

-9 1

-15

-10 1

-11 3

-9

-9

-8

-9

-13

-14 1

-20 9

-12 1

-11 9

-10

-10 8

-8

-5

-8

-12 5

-10

-6

-14 8-15

-17

-11 2

-8

-15 1

-7

-13

-9 1

-16

-16

-13

-13

-12 9

-17 1

-11 1

-13 0

-16 5

-5

-7

-11 7

-13

-6

-8 3

-15 5

-13

-6

-12

-5

-6

-13

-11 0

-11 3

-5

-10 1-11 2

-14 8

-2 8

-18 3

-12 1

-7

-18

-11 3

-17 6

-13 3

-10 8

-21 1

-18

-12 9

-12 0

-6

-12 6

-9

-13

-11 4

-17 7

-13

-11 3

-12 9

-12 5

-17 9

-13 0

-13 5

-19

-13 8

-13 9

-7

-12 1

-9

-12 8

-9 1

-11 3

-8

-18

-19 8

-8 1

-7

-8

-7 0

-10

-14

-12 1

-11 7

-7 1

-9 3

-7

-14 8

-7

-9

-13 8

-14

-5

-2 8

-6

-9

-10

-11 5

-10 1 -9

-9

-11 5

-19

-9

-15

-12

-17 6

-6

-14 8

-8

-8

-9

-8

-12 5

-7

-13

-5

-12 4

-12

-16

-10 5

-8

-9

-19 7

-15 6

-11 5

-12 8

-13

-8

-12 3

-10 1

-11 2

-8

-11 3

-12 9

-18 5

-14 2

-8 3

-20

-14

-18 8

-9 8

-13

-6

-13

-14

-17 0

-15

-12

-13 0

-10 3

-6

-15

-12 1

-8

-17 7

-11 6

-11 6

-12 5

-9

-9

-10 5 -13 3

-10

-11 6

-8

-6

-7 1

-9

-9

-12

-12

-12

-1

-12

-12

-1

-14 8

-14 3

-11 7

-12 7 -13

-13

-14

-13 8

-14

-14

-15

-14

-14 7

-15

-16 5

-16

-15 0

-14 5 -14

-14 8

-14 9

-14 7

-15 0

-16 1

-16

-16

-15 9

-16

-15 6

-15

-14 9

-14 6

-13 7

-13 6

-11 5

-11 5

-11 7

-11 0

-10 7

-10 1

-9

-10 1

-9

-9

-9

-10 3

-13 1

-16 1

-12 8

-12 5

-13 5

-13

-17 6

-12 9

-10 3

-10 3

-10 3

-15 9

-8

-9

-11 8

-14

-16

-14 6

-13 5

-13

-14

-15 1

-13 5

-12 5

-13

-13

-14 8

-14 6

-14 0

-13

-13 0

-12 5

-12 1

-11 4

-11 6

-11 4

-11 3

-11 0

-11 0

-16 1

-16

-16 0

-15 6

-11 6

-10 0

-9

-15

-11 0

-11 4

-16

-16

-16 6

-12 3

-10 8

-11 6

-10

-10

-10 0

-9 5

-9

-8

-9 1

-9

-9 1

-8

-8

-9

-8 3

-7

-6

-5

-5

-7 1

-6 1

-5

-6

-7 5

-8

-8

-8

-8

-8

-9

-11 5-11 7 -13

-15

-11 9

-10 3

-11 0

-11 4

-11 1

-11 0

-11 6

-12

-11 4

-12 3

-12 6

-13 0

-13 8 -14

-15 1 -14 8

-15

-16

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-16 6 -16 3

-16

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M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

TYPICAL DREDGING SECTION

(TYP)

M.L.L.W.

CHANNEL PRISM

LINE (TYP)

REQUIRED DEPTH

2' ALLOWABLE

OVERDEPTH

VARIES

TYPICAL DREDGING SECTION

NOT TO SCALE

(TYP)

SOUNDING

NAVIGATION AIDS

AREA TO BE DREDGED

CONTOUR-44

SECTION 2 TANGENT J

(OPTION #14) Feet

0 150 300

SECTION 2 TANGENT I

SECTION 2 TANGENT J

CENTERLINE OFFSET

C H

AN

N

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JAC

KSO

N

VILLE

SE

CTI

ON 3

TA

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T

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CHANNEL PRISM LINE

CHANNEL CENTERLINE

1. SOUNDINGS ARE EXPRESSED IN FEET AND TENTHS AND REFER TO NOAA'S REPORTED MEAN

LOWER LOW WATER (MLLW) RELATIVE TO THE 1983-2001 TIDAL EPOCH.

2. PROJECT SURVEYED 15 FEBRUARY AND 28 MAY 2024 WITH DISTRICT SURVEY VESSEL "ROGERS", USING RTK GPS HORIZONTAL POSITIONING EQUIPMENT AND 200 KHZ SOUNDING EQUIPMENT.

3. TIDE GAGE LOCATED AT: DM 69

4. HORIZONTAL DATUM NAD 1983. VERTICAL DATUM MLLW.

5. INFORMATION DEPICTED ON THIS MAP REPRESENTS THE RESULTS OF SURVEYS MADE ON THE

DATES INDICATED AND CAN ONLY BE CONSIDERED AS INDICATING THE GENERAL CONDITIONS

EXISTING AT THAT TIME.

6. NAVIGATION AIDS LOCATED BY SURVEY VESSEL. ACCURATE +/- 3 METERS.

7. THE GOVERNMENT FURNISHED PLACEMENT AREA FOR DREDGED MATERIAL IS NORTH TOPSAIL

BEACH. FOR LOCATION OF PLACEMENT AREA, SEE SHEET CN106.

8. THE GOVERNMENT SHALL NOT BE LIABLE FOR THE CONTRACTOR'S FAILURE TO PROPERLY

PREPARE TO DEAL WITH THE EXISTING GEOLOGIC CONDITIONS AT EACH DREDGING AREA. THE

GOVERNMENT DOES NOT GUARANTEE THAT BORINGS INDICATE ACTUAL CONDITIONS, EXCEPT

FOR THE EXACT LOCATIONS AND THE TIME THAT THEY WERE MADE.

SCALE 1"=150'

NOTES LEGEND

AM

EN

D M

EN

T

4, C H

AN

G

ED

S

EC

TI

O N

T

AN

G

EN

TS

I

AN

D J

T O

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PT

IO

N

S

A U

G

-39.6