Amendment_W912PM18B0006-0001,_Regional_Harbor_Dredging.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 revise the bid schedule and plans and specifications.

1. CONTRACT ID CODE PAGE OF PAGES

1 6

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

16C. DATE SIGNED

BY 16-Aug-2018

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 W912PM18B0006

X 9B. DATED (SEE ITEM 11)

25-Jul-2018

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

16-Aug-2018

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:

W912PM18B0006

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION 00 10 00 - SOLICITATION

The following have been modified:

BID SCHEDULE

Bid Schedule for USACE South Atlantic Division Regional Harbor Dredging Contract

CLIN Description Quantity Unit Unit Price Extension

All Projects

0001 Base - Mobilization and Demobilization for all Base Items

1 Job

0002 Performance and Payment Bonds for all Base Items

1 Job

0003 Option- Inter-project Transit Miles for unexpected moves for reasons to include environment concerns, navigational needs, funding purposes and more advantageous to the Government *Available entire contract duration. Amount is estimated and is only to be used for bid evaluation purposes. The VEQ clause does not apply to this line item.

0003AA Option - First 235 Miles 235 Miles

0003AB Option - All Over 235 Miles* 1,000 Miles

Brunswick Harbor

0004 Base - Maintenance Dredging, St Simons Range, Station 0+000 to -45+000B (Bin limits are required for placement in the Brunswick

ODMDS)

1,505,584.00 Cubic Yard

0005 Option - Stand By Time Brunswick -------------- -------------- -------------- --------------

0005AA Option - First day 1 Day

0005AB Option - All over One Day * 1 Day

0006 Option - Trawling Requirements (non-capture) Brunswick

0006AA Option - First 5 days 5 Days

0006AB Option - All over 5 days * 90 Days

0007 Option- Trawling Requirements (capture/relocation) Brunswick

0007AA Option- First 5 days 5 Days

0007AB Option- All over 5 days * 90 Days

Savannah Harbor

0008 Base - Maintenance Dredging, Tybee Knoll Cut Range, Jones Island/Bloody Point Range,Station 0+000 to -14+000B (Bin limits are required for placement in the Savannah ODMDS)

255,319.00 Cubic Yard

0009 Base - Maintenance Dredging, Bloody Point Range, Tybee Range,Station -14+000B to - 50+000B (Bin limits are required for placement in the Savannah ODMDS)

983,828.00 Cubic Yard

0010 Option - Stand By Time Savannah -------------- -------------- -------------- --------------

0010AA Option - One Day 1 Day

0010AB Option - All over One Day * 1 Day

0011 Option - Trawling Requirements (non-capture) Savannah

0011AA Option - First 5 days 5 Days

0011AB Option - All over 5 days * 72 Days

0012 Option- Trawling Requirements (capture/relocation) Savannah

0012AA Option- First 5 days 5 Days

0012AB Option- All over 5 days * 72 Days

Wilmington Harbor

0013 Base - Maintenance Dredging, Wilmington Harbor, Baldhead Shoal Channel Reach 3

800,000 Cubic Yard

00014 Base - Maintenance Dredging, Wilmington Harbor, Southport Channel

10,000 Cubic Yard

0015 Base - Maintenance Dredging, Wilmington Harbor, Battery Island Channel

10,000 Cubic Yard

0016 Option - Stand By Time Wilmington Harbor -------------- -------------- -------------- --------------

0016AA Option - One Day 1 Day

0016AB Option - All Over One Day* 10 Days

0017 Option - Trawling Requirements (non-capture) Wilmington

0017AA Option - First Five Days 5 Day

0017AB Option - All Over Five Days* 10 Days

Morehead City

0018 Base - Maintenance Dredging, Morehead City Harbor, Range A

700,000 Cubic Yard

0019 Base - Maintenance Dredging , Morehead City Harbor, Cutoff

50,000 Cubic Yard

0020 Option - Stand By Time Morehead City -------------- -------------- -------------- --------------

0020AA Option - One Day 1 Day

0020AB Option - All Over One Day* 10 Days

0021 Option - Trawling Requirements (non-capture) Morehead City

0021AA Option - First Five Days 5 Day

0021AB Option - All Over Five Days* 10 Days

*NTE: Not to be Evaluated

TOTAL AMOUNTS

TOTAL AMOUNT OF LINE ITEM 0001 -0003AB $___________________

(All Harbors)

TOTAL AMOUNT OF LINE ITEM 0004-00007AB $___________________

(Brunswick Harbor)

TOTAL AMOUNT OF LINE ITEMS 0008-0012AB $___________________

(Savannah Harbor)

TOTAL AMOUNT OF LINE ITEM 0013-0017AB $___________________

(Wilmington Harbor)

TOTAL AMOUNT OF LINE ITEM 0018-0021AB $___________________

(Morehead City)

TOTAL AMOUNT OF LINE ITEM 0001-0021AB $___________________

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 (WITH THE EXCEPTION OF THOSE IDENTIFIED IN NOTE 5

BELOW) TO THE TOTAL PRICE FOR THE BASIC REQUIREMENT. THE

EVALUATION OF OPTIONS WILL NOT OBLIGATE THE GOVERNMENT TO

EXERCISE THE OPTION. SEE ALSO NOTE 5.

NOTE 3:

THE GOVERNMENT RESERVES THE RIGHT TO EXERCISE OPTIONAL BID

ITEMS NO LATER THAN 15 APRIL 2019.

NOTE 4:

THE EXERCISE OF THE OPTIONAL BID ITEM SHALL BE SUBJECT TO THE

AVAILABILITY OF FUNDS.

NOTE 5: CLINS 0003AA, 0005AA, 0006AA, 0077AA, 0010AA, 0011AA, 0012AA,

0016AA, 0017AA, 0020AA AND 0021AA INCLUDE ESTIMATED AMOUNTS OF

TRANSIT MILES, STANDBY DAYS OR TRAWLING DAYS THAT THE

GOVERNMENT ANTICIPATES WILL BE NECESSARY OVER THE COURSE OF

THIS CONTRACT. ACTUAL QUANTITIES WILL BE DETERMINED BY THE

GOVERNMENT AS THE NEED ARISES. CLINS 0003AB, 0005AB, 0006AB, 0007AB,

0010AB, 0011AB, 0012AB, 0016AB, 0017AB, 0020AB, AND 0021AB ARE ESTABLISHED

TO DETERMINE A PRICE FOR TRANSIT MILES, STANDBY DAYS OR TRAWLING

DAYS SHOULD THOSE QUANTITIES EXCEED THE GOVERNMENT'S ESTIMATE,

UP TO THE TOTAL AMOUNT OF DAYS IDENTIFIED IN THE AA AND AB SUB-

CLINS FOR EACH IDENTIFIED CLIN. FOR EACH OF THESE IDENTIFIED CLINS,

ONLY THE AA SUB-CLINS WILL BE EVALUATED TO DETERMINE A TOTAL

PRICE FOR AWARD PURPOSES.

NOTE 6:

PERFORMANCE OF ALL WORK UNDER THIS CONTRACT TO INCLUDE THE

OPTIONAL BID ITEM (IF EXERCISED), SHALL BE COMPLETED IN

ACCORDANCE WITH THE FOLLOWING ENVIRONMENTAL WINDOW:

01 December 2018 to 15 April 2019

PRE-AWARD INFORMATION

Before award, to be determined responsible, the low bidder must submit the following information within three days of request:

a. Current Financial Statement

b. A completed Small Business Subcontracting Plan (LARGE BUSINESS ONLY)

c. A tentative schedule showing the ability to complete the required work within the stated period of performance. The tentative schedule shall include, at a minimum, the proposed order of work, mobilization and demobilization for each harbor and what plant will be used in performance of the work. The tentative schedule is only requested to determine contractor responsibility in accordance with FAR 9.104-1(b) and (f), and is not to be binding for purposes of assessing performance throughout the duration of the contract.

(End of Summary of Changes)

This page intentionally left blank.

Amendment 0001

Technical Summary of Changes

SPECIFICATIONS

00 01 15 – LIST OF DRAWINGS

Delete existing Attachment 1 Enclosure in its entirety and replace with revised.

35 20 23 – DREDGING BRUNSWICK HARBOR/SAVANNAH HARBOR/

WILMINGTON HARBOR/MOREHEAD CITY HARBOR

Delete existing Pages 1 thru 28 in their entirety and replace with revised liked-numbered Pages.

NOTE:

Text that is added or revised by this amendment is identified with Amendment 0001(beginning and ending of revision/addition). Track changes shown as Strikethroughs (Red Delete)(Green ADD).

The text changes may have necessitated reformatting of subsequent text or pages. If this is the case, those pages have also been issued as amended pages but are not underlined or bold text.

DRAWINGS

(1) Delete Sheets GI01-M, CN101-M, CN102-M and CN104-W in their entirety and replace with revised enclosed Sheets.

(2) ADD Sheet CN100-M.

(3) Replace xyz Files in their entirety.

-- End of Summary of Changes- -

Encls As Stated

Sheet No. Title

GI00‐M COVER SHEET

GI01‐M INDEX OF DRAWINGS, LOCATION, AND VICINITY MAPS

CN100‐M CUTOFF

CN101‐M RANGE A STA. 21+15 TO STA. 65+00

CN102‐M RANGE A STA. 65+00 TO STA. 155+00

CN103‐M NEARSHORE EAST PLACEMENT AREA

INDEX OF DRAWINGS

Morehead City Harbor Ocean Bar

Amendment 0001

REGI ONAL HARBOR DREDGI NG FY 2019 W912PM18B0006

Geor gi a & Nor t h Car ol i na

SECTI ON TABLE OF CONTENTS

DI VI SI ON 35 - WATERWAY AND MARI NE CONSTRUCTI ON

SECTI ON 35 20 23

DREDGI NG BRUNSWI CK HARBOR/ SAVANNAH HARBOR/ WI LMI NGTON HARBOR/ MOREHEAD CI TY

HARBOR

05/18

PART 1 GENERAL

1. 1 REFERENCES

1. 2 SUBMI TTALS

1. 3 ENVI RONMENTAL WI NDOWS

1. 4 NATI ONAL DREDGI NG QUALI TY MANAGEMENT PROGRAM

1. 5 WORK COVERED BY THI S SECTI ON

1. 5. 1 Br unswi ck Har bor

1. 5. 2 Savannah Har bor

1. 5. 3 Wi l mi ngt on Har bor

1. 5. 4 Mor ehead Ci t y Har bor

1. 6 ORDER OF WORK

1. 7 DREDGI NG AND DI SPOSAL PLAN

1. 8 CHARACTER OF MATERI ALS

1. 8. 1 Savannah and Br unswi ck Har bor s

1. 8. 1. 1 Mai nt enance Dr edgi ng

1. 8. 1. 2 Mat er i al and Recor d I nspect i on

1. 8. 2 Wi l mi ngt on and Mor ehead Ci t y Har bor s

1. 8. 2. 1 Mai nt enance Dr edgi ng

1. 9 DI SPOSAL OF EXCAVATED MATERI AL

1. 9. 1 Br unswi ck Har bor

1. 9. 2 Savannah Har bor

1. 9. 3 Wi l mi ngt on Har bor

1. 9. 4 Mor ehead Ci t y Har bor

1. 9. 5 Use of Ot her Di sposal Ar eas

1. 9. 6 Navi gat i onal Devi ces

1. 9. 7 Tr anspor t and Di sposal Logs

1. 9. 8 Tr ack Pl ot

1. 9. 9 Rel ease of Load

1. 10 SURVEYS

1. 10. 1 Bef or e and Af t er Sur veys

1. 10. 1. 1 Savannah and Br unswi ck Har bor s

1. 10. 1. 2 Wi l mi ngt on and Mor ehead Ci t y Har bor

1. 10. 2 Sur veyi ng - Savannah and Br unswi ck Har bor s

1. 10. 2. 1 Cont r act or ' s Repr esent at i ve

1. 10. 2. 2 Sur vey Cer t i f i cat i on

1. 10. 2. 3 Di sput e of Gover nment Sur veys

1. 11 ESTI MATED DREDGI NG QUANTI TI ES

1. 12 MEASUREMENT AND PAYMENT

1. 12. 1 Vol ume of Mat er i al Removed

1. 12. 2 Cont r act Dr awi ngs

1. 12. 3 I n- Pl ace ( Sur vey) Met hod of Measur ement

1. 12. 3. 1 Gener al

1. 12. 3. 1. 1 Savannah and Br unswi ck Har bor s

1. 12. 3. 1. 2 Wi l mi ngt on and Mor ehead Ci t y Har bor s

SECTI ON 35 20 23 Page 1 ( Revi sed by Amendment 0001)

1. 12. 3. 2 Sur vey Li nes

1. 12. 3. 2. 1 Wi l mi ngt on and Mor ehead Ci t y Har bor s

1. 12. 3. 2. 2 Savannah and Br unswi ck Har bor s

1. 12. 4 Recor ds and Ver i f i cat i on of Hopper Dr edge Loadmet er Syst em

1. 12. 5 Loadmet er Cal i br at i on

1. 12. 5. 1 Hopper Dr edges

1. 12. 5. 2 Scows

1. 12. 6 Payment

1. 12. 6. 1 Mobi l i zat i on and Demobi l i zat i on

1. 12. 6. 2 Dr edgi ng

1. 12. 6. 3 St and- by Ti me

1. 13 TI DE DATA

1. 13. 1 Savannah and Br unswi ck Har bor s

1. 13. 1. 1 Real Ti me Ki nemat i cs ( RTK) GPS

1. 13. 1. 2 Ki nemat i cs Ti dal Dat um

1. 13. 1. 3 Non- Oper at i onal Ref er ence St at i on

1. 13. 2 Wi l mi ngt on and Mor ehead Ci t y Har bor s

1. 13. 2. 1 Real Ti me Ki nemat i c ( RTK) GPS

1. 13. 2. 2 Ki nemat i c Ti dal Dat um

1. 13. 2. 3 RTK GPS di sput es

1. 14 CONTI NUI TY OF WORK

1. 15 I NSPECTI ON SUPPORT

1. 16 FI NAL EXAMI NATI ON AND ACCEPTANCE

1. 17 PROGRESS CHART

1. 18 MATE' S LOG

1. 19 SMALL BOAT LI CENSE

1. 20 PLANT

1. 21 NON- CAPTURE TRAWL SWEEPI NG

1. 22 MI SPLACED MATERI AL

PART 2 PRODUCTS

2. 1 COMMUNI CATI ONS EQUI PMENT

2. 2 DI SPOSAL EQUI PMENT

PART 3 EXECUTI ON

3. 1 DREDGE POSI TI ONI NG SYSTEM

3. 2 OVERDEPTH AND SI DE SLOPES

3. 2. 1 Over dept h

3. 2. 2 Si de Sl opes

3. 2. 3 Excessi ve Dr edgi ng

3. 3 SHOALI NG

3. 4 BUOY SI NKERS

3. 5 EMERGENCY DUMPS

3. 6 OBSTRUCTI ONS

3. 6. 1 Savannah Har bor

3. 6. 2 Wi l mi ngt on Har bor

3. 7 UNEXPLODED ORDNANCE

3. 8 REQUI RED TRANSPORTATI ON ROUTE

3. 8. 1 Wi l mi ngt on Har bor

3. 9 DEBRI S SCREENI NG

3. 10 FENDER TI RES

3. 11 SUBMERGED PI PELI NE

3. 12 PI PELI NE LEAKAGE

3. 13 BOOSTER PUMPS

3. 14 DREDGE CERTI FI CATI ON

3. 15 WATER POLLUTI ON CONTROL

3. 15. 1 Cont ami nat i on of Wat er

SECTI ON 35 20 23 Page 2

3. 15. 2 Di sposal of Mat er i al s

3. 16 FLOATI NG PLANT I NSPECTI ON AND CERTI FI CATI ON

3. 17 REPORTI NG REQUI REMENT

3. 18 QUALI TY CONTROL

3. 19 GOVERNMENT PRI ORI TY

- - End of Sect i on Tabl e of Cont ent s - -

SECTI ON 35 20 23 Page 3

SECTI ON 35 20 23

DREDGING

BRUNSWI CK HARBOR/ SAVANNAH HARBOR/ WI LMI NGTON HARBOR/ MOREHEAD CI TY HARBOR

05/18

PART 1 GENERAL

1. 1 REFERENCES

The publ i cat i ons l i s t ed bel ow f or m a par t of t hi s speci f i cat i on t o t he ext ent r ef er enced. The publ i cat i ons ar e r ef er r ed t o i n t he t ext by basi c desi gnat i on onl y.

U. S. ARMY CORPS OF ENGI NEERS ( USACE)

EM 385- 1- 1 ( 2014) Saf et y and Heal t h Requi r ement s Manual

EM 1110- 2- 1003 ( 2013) Hydr ogr aphi c Sur veyi ng

1. 2 SUBMI TTALS

Gover nment appr oval i s r equi r ed f or submi t t al s wi t h a " GA" desi gnat i on;

submi t t al s not havi ng a " GA" desi gnat i on ar e f or i nf or mat i on onl y. When used, a desi gnat i on f ol l owi ng t he " GA" desi gnat i on i dent i f i es t he of f i ce t hat wi l l r evi ew t he submi t t al f or t he Gover nment . The f ol l owi ng shal l be submi t t ed i n accor dance wi t h Sect i on 01 33 00 SUBMI TTAL PROCEDURES:

SD- 01 Pr econst r uct i on Submi t t al s

Dr edgi ng and Di sposal Pl an; GA Wor k Pl an( Nar r at i ve) ; GA Wor k Schedul e; GA Cont r act or ' s Equi pment Li st ; GA

SD- 02 Shop Dr awi ngs

Bed Level i ng Devi ces; GA

( Savannah and Br unswi ck Har bor s Onl y)

SD- 03 Pr oduct Dat a

Loadmet er Syst em

SD- 05 Desi gn Dat a

Pr ogr ess Char t ; GA

SD- 06 Test Repor t s

Tr anspor t and Di sposal Logs Tr ack Pl ot Mat e' s Log

SD- 07 Cer t i f i cat es

SECTI ON 35 20 23 Page 4

Sur vey Cer t i f i cat i on

1. 3 ENVI RONMENTAL WI NDOWS

See Sect i on 01 57 19, subpar agr aph 1 December - 15 Apr i l Dr edgi ng Wi ndow.

1. 4 NATI ONAL DREDGI NG QUALI TY MANAGEMENT PROGRAM

Document at i on ver i f y i ng t he Nat i onal Dr edgi ng Qual i t y Management Pr ogr am ( DQM) has been cer t i f i ed by t he Engi neer Resear ch and Devel opment Cent er ( ERDC) wi t hi n t he l ast year shal l be pr ovi ded wi t hi n t he Cont r act or Qual i t y Cont r ol ( CQC) Pl an. The DQM syst em shal l be i n oper at i on t hr oughout dr edgi ng and di sposal oper at i ons.

1. 5 WORK COVERED BY THI S SECTI ON

The Cont r act pr i ce i ncl udes mobi l i zat i on and demobi l i zat i on, dr edgi ng and di sposal of mat er i al s, and di sposal ar ea oper at i ons as di r ect ed by t he Cont r act i ng Of f i cer ( CO) . The wor k cover ed by t hi s Sect i on consi st s of f ur ni shi ng t he pl ant , l abor , and mat er i al s and per f or mi ng t he oper at i ons necessar y t o compl et e t he wor k i ndi cat ed i n t he Cont r act and as di r ect ed by t he CO. Oper at i ons consi st of t he dr edgi ng and di sposal of mat er i al i ndi cat ed i n t he Speci f i cat i ons and Dr awi ngs. Dr agbeams, bed l evel er s, and ot her such devi ces may be ut i l i zed by t he cont r act or f or t he Savannah and Br unswi ck Har bor s dr edgi ng but not f or Wi l mi ngt on and Mor ehead Ci t y Har bor s. Move dr edge pl ant as necessar y t o f aci l i t at e pr oper dr edge oper at i ons. Remove mat er i al above t he r equi r ed dept h shown on t he Cont r act Dr awi ngs and addi t i onal shoal i ng whi ch may have occur r ed by t he t i me of t he Bef or e Dr edgi ng Sur veys wi t hi n t he const r uct i on l i mi t s at t he uni t bi d pr i ce. The Cont r act i ng Of f i cer may wai ve t he r equi r ement t o r emove mat er i al above t he r equi r ed dept h i f t he Gover nment does not consi der i t a hazar d t o navi gat i on. Pr oper l y di spose of dr edged mat er i al and moni t or t he Ocean Dr edged Mat er i al Di sposal Si t es ( ODMDS) and Mor ehead Ci t y Near shor e East Pl acement Ar ea i n accor dance wi t h t hi s Cont r act .

Cl i ck on Savannah & Br unswi ck Har bor Si t e Management and Moni t or i ng Pl ans f or t he Ocean Dr edged Mat er i al Di sposal Si t es at t he f ol l owi ng l i nk:

http://www.sas.usace.army.mil/About/Divisions-and-Offices/Planning-Division/ Plans-and-Reports/

Wi l mi ngt on and Mor ehead Ci t y Har bor Si t e Management and Moni t or i ng Pl ans f or t he Ocean Dr edged Mat er i al Di sposal Si t es can be f ound at :

http://www.saw.usace.army.mil/Missions/Navigation/Dredging/Wilmington-Harbor/ http://www.saw.usace.army.mil/Missions/Navigation/Dredging/Morehead-City-Harbor/

1. 5. 1 Br unswi ck Har bor

Dr edgi ng shal l commence no ear l i er t han 1 December 2018 and be compl et ed by 15 Apr i l 2019. The dr edgi ng f or t hi s Cont r act i s bet ween St at i ons 0+000 and - 45+000B. The r equi r ed dept hs ar e i ndi cat ed i n Par agr aph " Mai nt enance Dr edgi ng" . The Cont r act or i s encour aged t o v i s i t t he s i t e t o det er mi ne t he sui t abi l i t y of t he pr oposed pl ant f or t he pr oj ect wi t hi n t hi s r each.

I f addi t i onal shoal s, not shown on t he Cont r act exami nat i on sur vey, devel op i n t he navi gat i on pr oj ect above r equi r ed dept hs bet ween St at i ons 0+000 and

- 45+000B, dr edge t hem at t he uni t pr i ce bi d.

SECTI ON 35 20 23 Page 5

1. 5. 2 Savannah Har bor

Dr edgi ng shal l commence no ear l i er t han 01 December 2018 and shal l be compl et ed by 15 Apr i l 2019. The dr edgi ng f or t hi s Cont r act i s bet ween St at i ons 0+000 t o - 50+000B. Channel di mensi ons t o be pr ovi ded ar e shown on t he Cont r act dr awi ngs. The r equi r ed dept h i s i ndi cat ed i n Par agr aph " Mai nt enance Dr edgi ng" .

I f addi t i onal shoal s, not shown on t he Cont r act exami nat i on sur vey, devel op i n t he navi gat i on pr oj ect above r equi r ed dept hs bet ween St at i ons 0+000 t o -

- 50+000B, dr edge t hem at t he uni t pr i ce bi d.

1. 5. 3 Wi l mi ngt on Har bor

Dr edgi ng shal l commence no ear l i er t han 1 December 2018 and be compl et ed by 15 Apr i l 2019. The dr edgi ng f or t hi s Cont r act i s bet ween St at i ons 88+42. 13 and 230+00 of Bal dhead Shoal Channel Reach 3, St at i ons 0+00 t o 53+62. 85 of Sout hpor t Channel and St at i ons 0+00 t o 25+89. 05 of Bat t er y I s l and Channel .

The r equi r ed dept hs ar e i ndi cat ed i n Par agr aph " Mai nt enance Dr edgi ng" .

Pr ovi de t he channel di mensi ons shown on t he Cont r act Dr awi ngs.

I f addi t i onal shoal s, not shown on t he Cont r act exami nat i on sur vey, devel op i n t he navi gat i on pr oj ect above r equi r ed dept hs bet ween St at i ons 88+42. 13 and 230+00 of Bal dhead Shoal Channel Reach 3, bet ween St at i ons 0+00 t o 53+62. 85 of Sout hpor t Channel and bet ween St at i ons 0+00 t o 25+89. 05 of Bat t er y I s l and Channel , dr edge t hem at t he uni t pr i ce bi d.

1. 5. 4 Mor ehead Ci t y Har bor

AMENDMENT 0001

Dr edgi ng shal l commence no ear l i er t han 1 December 2018 and be compl et ed by 15 Apr i l 2019. The dr edgi ng f or t hi s Cont r act i s bet ween St at i ons 21+15 and 115+00 of Range A and bet ween St at i ons 0+00 and 34+93 of t he Cut of f .

The r equi r ed dept hs ar e i ndi cat ed i n Par agr aph " Mai nt enance Dr edgi ng" .

Pr ovi de t he channel di mensi ons shown on t he Cont r act Dr awi ngs.

I f addi t i onal shoal s, not shown on t he Cont r act exami nat i on sur vey, devel op i n t he navi gat i on pr oj ect above r equi r ed dept hs bet ween St at i ons 21+15 and 115+00 of Range A and St at i ons 0+00 and 34+93 of t he Cut of f , dr edge t hem at t he uni t pr i ce bi d.

AMENDMENT 0001

1. 6 ORDER OF WORK

Unl ess ot her wi se di r ect ed 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, t he or der of wor k f or t he har bor s shal l be at t he di scr et i on of t he Cont r act or . Af t er t he i ni t i al har bor mai nt enance dr edgi ng has been compl et ed, t he dr edge shal l pr oceed t o one of t he ot her har bor s and dr edge t her e and compl et e bef or e movi ng t o t he next har bor .

Si mul t aneous dr edgi ng i n t he har bor s i s al l owed wi t hi n t he st at ed envi r onment al wi ndow. I n each har bor , t he or der of wor k shal l be as f ol l ows or as di r ect ed by t he CO, based on condi t i ons shown on t he Bef or e Dr edgi ng Sur vey. The or der of wor k f or dr edgi ng shal l be di r ect ed i nsof ar as pr act i cabl e t o pr ovi de f or ef f i c i ent oper at i on of t he dr edgi ng equi pment .

Dr edgi ng f or navi gat i on needs shal l be gi ven pr i or i t y and t he Cont r act or wi l l be di r ect ed t o dr edge i n ar eas t hat ar e, i n t he opi ni on of t he CO, mor e advant ageous t o t he Gover nment . Or der s t o t he Cont r act or ' s r epr esent at i ve at t he s i t e wi l l be i n wr i t i ng and si gned by t he Cont r act i ng

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Officer.

1. 7 DREDGI NG AND DI SPOSAL PLAN

Submi t a Dr edgi ng and Di sposal pl an wi t hi n 5 days af t er Not i ce t o Pr oceed, f or appr oval pr i or t o dr edgi ng. The dr edgi ng and di sposal pl an shal l i ncl ude, but i s not l i mi t ed t o:

a. A descr i pt i on and schedul e of t he oper at i ons per f or med i n connect i on wi t h t he r emoval and t r anspor t of mat er i al . The oper at i ons shal l be descr i bed i n t he sequence i n whi ch t hey ar e per f or med.

b. A descr i pt i on of t he pl ant ( i ncl udi ng names of dr edges, scows, bar ges, and at t endant pl ant ) and equi pment ut i l i zed i n connect i on wi t h t he r emoval and t r anspor t of mat er i al .

c. Pl ant t o be used i n each accept ance sect i on.

d. Ant i c i pat ed cycl e t i mes and di sposal vessel r out e t o and f r om t he ODMDS and Mor ehead Ci t y Near shor e East Pl acement Ar ea.

The Cont r act or ' s dr edgi ng and di sposal pl an and schedul e shal l ensur e:

a. Dr edge si ze and pr oduct i on r at es ar e sui t abl e f or t he wor k

b. Per f or mance of wor k i s i n st r i c t accor dance wi t h t he Cont r act

c. Compl et i on of t he wor k i s wi t hi n t he t i me al l owed by t he Cont r act

Al so submi t Wor k Pl an ( Nar r at i ve) , Wor k Schedul e, and Contractor's Equi pment Li st one week pr i or t o t he pr econst r uct i on conf er ence.

1. 8 CHARACTER OF MATERI ALS

1. 8. 1 Savannah and Br unswi ck Har bor s

Soi l s di scussed i n t hese par agr aphs wer e v i sual l y f i el d c l assi f i ed i n accor dance wi t h t he Uni f i ed Soi l Cl assi f i cat i on Syst em. Di scussi ons of soi l consi st enci es ar e based on bl ow count dat a, wher e avai l abl e. The bl ow count dat a i s acqui r ed by St andar d Penet r at i on Test i ng ( SPT) , whi ch i s conduct ed by use of a t hi ck- wal l ed sampl e t ube, wi t h an out s i de di amet er of 2- i nches and an i nsi de di amet er of 1. 3- i nches. The sampl e t ube i s dr i ven i nt o t he gr ound by bl ows f r om a s l i de hammer wei ghi ng 140- pounds and f al l i ng a di st ance of 30- i nches. The sampl e t ube i s dr i ven a t ot al of 18- i nches, wi t h t he bl ow count s r equi r ed f or each 6- i nches of penet r at i on r ecor ded. The sum of t he number of bl ows r equi r ed f or t he second and t hi r d 6- i nch penet r at i on i s t er med t he " st andar d penet r at i on r esi st ance" or t he " N- val ue" .

1. 8. 1. 1 Mai nt enance Dr edgi ng

a. Br unswi ck Har bor . Requi r ed dept hs f or t he Br unswi ck Har bor pr oj ect ar eas ar e - 38. 0 f eet MLLW f or St at i ons 0+000 t o - 45+000B. An al l owabl e over dept h of - 2. 0 f eet has been i ncl uded i n t he Br unswi ck Har bor pr oj ect f r om St at i on 0+000 t o - 45+000B.

b. Savannah Har bor . Requi r ed dept hs f or t he Savannah Har bor pr oj ect ar eas ar e - 49. 0 f eet MLLW f or St at i ons 0+000 t o - 50+000. An al l owabl e over dept h of - 2. 0 f eet has been i ncl uded i n t he Savannah Har bor pr oj ect f r om St at i on 0+000 t o - 50+000.

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The r equi r ed dept h f or mat er i al r emoval i s - 49 f eet ( f t ) MLLW wi t h an al l owabl e over dept h of - 2 f t down t o - 51 f t MLLW. Mat er i al bet ween - 51 f t MLLW and - 54 f t MLLW bet ween St at i ons 0+000 and - 27+000B i s i n t he non- pay al l owabl e di st ur bance ar ea. Do not di st ur b mat er i al bel ow - 54 f t MLLW bet ween t hese St at i ons.

c. The mai nt enance mat er i al s t o be r emoved f r om t he Br unswi ck Har bor ent r ance channel f r om St at i ons 0+000 t o - 45+000B, St Si mons Range, Savannah Har bor ent r ance channel f r om St at i ons 0+000 t o - 50+000 ar e pr i nci pal l y t hose mat er i al s havi ng accumul at ed f r om shoal i ng s i nce t he l ast dr edgi ng was compl et ed.

d. The shoal mat er i al s ar e ant i c i pat ed t o pr i mar i l y consi st of s i l t s and cl ays passi ng a 200 mesh si eve, f i ne t o coar se sands, and gr avel s. These i ncl ude si l t y gr avel s ( GM) ; c l ayey gr avel s ( GC) ; poor l y gr aded sands ( SP) ;

s i l t y sands ( SM) ; poor l y gr aded sand wi t h s i l t ( SP- SM) ; wel l gr aded sand wi t h s i l t ( SW- SM) ; c l ayey sands ( SC) ; l ow l i qui d- l i mi t s i l t s ( ML) ; el ast i c s i l t ( MH) ; l ean c l ay ( CL) ; f at c l ay ( CH) ; and or gani c s i l t s and or gani c c l ays ( OL and OH) . The consi st ency of t hese shoal mat er i al s coul d be descr i bed as ver y sof t t o sof t ( 0 t o 4 bl ows) f or t he s i l t s and cl ays ( ML, MH, CL, CH, OL, and OH) and ver y l oose t o l oose ( 0 t o 10 bl ows) f or sands and gr avel s ( GM, GC, SP, SM, SP- SM, SW- SM, and SC) .

e. Mat er i al s wi t hi n t he al l owabl e over dept h and si de s l opes and, t o a cer t ai n degr ee, mat er i al i mmedi at el y bel ow t hese ar eas, coul d be bot h shoal mat er i al and undi st ur bed mat er i al . These mat er i al s woul d be consi st ent wi t h mat er i al s f ound at t he bot t om of t he har bor i n ot her dr edgi ng pr oj ect s.

Ant i c i pat e sands, s i l t s , and c l ays i n var i ous mi xes. Bl ow count s f or f i ne- gr ai ned soi l s ( s i l t s and cl ays) ar e gener al l y i n t he 1 t o 10 r ange, and bl ow count s f or t he coar se- gr ai ned soi l s ar e gener al l y i n t he 1 t o 30 r ange. Consequent l y, t he consi st ency of t he f i ne- gr ai ned soi l s coul d be descr i bed as ver y sof t t o st i f f , whi l e t he consi st ency of t he coar se- gr ai ned soi l s coul d be descr i bed as ver y l oose t o medi um densi t y. I n addi t i on, t he s i l t s and cl ays may exhi bi t some pl ast i c i t y wi t h a hi gh l i qui d- l i mi t , whi ch woul d cause some di f f i cul t y mi xi ng wi t h wat er .

f . I n addi t i on t o shoal mat er i al s and undi st ur bed mat er i al s, i nor gani c and or gani c debr i s ar e expect ed. Thi s debr i s coul d i nc l ude, but i s not l i mi t ed t o, t ool s and equi pment , wood, met al i mpl ement s and f r agment s, concr et e masses, r i pr ap, cabl e, and ot her debr i s associ at ed wi t h mar i t i me act i v i t i es. Wi t hi n t he Savannah Har bor and Br unswi ck Har bor , t he Cont r act or shal l al so ant i c i pat e encount er i ng const r uct i on r ubbl e gener at ed dur i ng r ecent wi deni ng and deepeni ng const r uct i on act i v i t i es. Thi s mat er i al i s most abundant near St at i on 0+000 and decr eases i n occur r ence t owar ds St at i on - 60+000 i n Savannah Har bor and f r om St at i ons 0+000 t o - 45+000B i n Br unswi ck Har bor . The debr i s encount er ed i s a nor mal condi t i on of t he har bor and no ext r a payment wi l l be made f or downt i me due t o debr i s r emoval f r om t he dr edge dr aghead or pumps. Remove i nor gani c and or gani c debr i s above t he r equi r ed dr edgi ng dept hs.

1. 8. 1. 2 Mat er i al and Recor d I nspect i on

Bi dder s shal l exami ne t he ar eas i ncl uded i n t hi s Cont r act and det er mi ne f or t hemsel ves t he char act er of mat er i al s. Recor ds of pr evi ous dr edgi ng i n t he v i c i ni t y of t he Savannah Har bor and Br unswi ck Har bor pr oj ect ar eas ar e avai l abl e i n t he of f i ce of t he Di st r i c t Engi neer , U. S. Ar my Engi neer Di st r i c t , Savannah, 100 West Ogl et hor pe Avenue, Savannah, Geor gi a 31401- 3640. The poi nt of cont act f or t he Savannah Har bor and Br unswi ck

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Har bor i nf or mat i on i s Mr . Bur t Moor e i n t he Dr edgi ng Sect i on at 912- 652- 6086. I t i s hi ghl y r ecommended t hat bi dder s avai l t hemsel ves of t he oppor t uni t y t o v i ew t hese r ecor ds.

1. 8. 2 Wi l mi ngt on and Mor ehead Ci t y Har bor s

The mat er i al t o be r emoved f r om t he mai nt enance dr edgi ng ar eas i s composed pr edomi nat el y of shoal ed mat er i al whi ch has accumul at ed s i nce t he ar eas wer e l ast dr edged. Hi st or i cal l y t he mat er i al r emoved f r om t he var i ous ar eas has consi st ed pr i mar i l y of sand, s i l t and c l ay. Wood, met al and ot her sunken debr i s t hat may have become l odged i n t he channel may al so be encount er ed. No subsur f ace i nvest i gat i ons have been made f or mai nt enance dr edgi ng. Bi dder s ar e expect ed t o exami ne t he s i t e of wor k and deci de f or t hemsel ves t he char act er of mat er i al s. Hi st or i c subsur f ace i nvest i gat i on dat a, f r om pr evi ous dr edgi ng cont r act s ar e avai l abl e f r om t he Wi l mi ngt on Di st r i c t . Request s t o v i ew t he dat a shoul d be submi t t ed v i a Bi dder I nqui r y at t he Pr oj Net websi t e at ht t ps: / / www. pr oj net . or g. Pr evi ous Cont r act or s usi ng hopper dr edges encount er ed har d mat er i al bel ow - 44 f t . M. L. L. W. f r om St at i ons 160+00 t o 195+00 of Bal dhead Shoal Channel Reach 3 and di d not successf ul l y r emove t hi s mat er i al . Dr edgi ng of t hi s har d mat er i al i s not required.

1. 8. 2. 1 Mai nt enance Dr edgi ng

AMENDMENT 0001

a. Requi r ed dept hs f or t he Wi l mi ngt on Har bor pr oj ect ar eas ar e - 44 f eet MLLW f or Bal dhead Shoal Channel Reach 3, Sout hpor t Channel and Bat t er y I s l and Channel . An al l owabl e over dept h of - 2. 0 f eet i s i ncl uded i n t he Wi l mi ngt on Har bor pr oj ect f or Bal dhead Shoal Channel Reach 3, Sout hpor t Channel and Bat t er y I s l and Channel .

b. Requi r ed dept hs f or t he Mor ehead Ci t y Har bor pr oj ect ar eas ar e - 43 f eet MLLW f or Range A and t he Cut of f . An al l owabl e over dept h of - 2. 0 f eet i s i ncl uded i n t he Mor ehead Ci t y Har bor pr oj ect f or Range A and t he Cut of f .

AMENDMENT 0001

1. 9 DI SPOSAL OF EXCAVATED MATERI AL

1. 9. 1 Br unswi ck Har bor

The Br unswi ck ODMDS i s cur r ent l y aut hor i zed f or di sposal of dr edged mat er i al , but onl y wi t hi n bi n s i ze const r ai nt s l i s t ed on Pl at es CB103 and CB103A t hr ough CB103D. Pl acement i s al l owed onl y wi t hi n t he ODMDS.

Di sposal of mat er i al i n t he ODMDS i s t o be i n compl i ance wi t h t he cur r ent Br unswi ck Har bor ODMDS Si t e Management and Moni t or i ng Pl an ( SMMP) . No over f l ow wi l l be al l owed i n r out e t o t he ODMDS. The navi gat i on channel i s not an aut hor i zed di sposal ar ea, and t he use of bed l evel i ng or s i mi l ar devi ces have been appr oved.

Not e: I f mor e t han one r est r i c t ed ar ea wi l l be dr edged i n t he same l oad, t he l ower r est r i c t ed bi n s i ze wi l l appl y. Bi n yar dage wi l l be consi der ed t he t ot al of sedi ment pl us wat er i n t he bi n when t he dr edge l eaves t he channel f or t he ODMDS.

1. 9. 2 Savannah Har bor

The Savannah ODMDS i s cur r ent l y aut hor i zed f or di sposal of dr edged mat er i al . Pl acement i s al l owed onl y wi t hi n t he ODMDS. Di sposal of

SECTI ON 35 20 23 Page 9 mat er i al i n t he ODMDS i s t o be i n compl i ance wi t h t he cur r ent Savannah Har bor ODMDS Si t e Management and Moni t or i ng Pl an ( SMMP) . No over f l ow wi l l be al l owed i n r out e t o t he ODMDS. Bi n l oads ar e r est r i c t ed t o 13, 500 cubi c yards . Bi n yar dage wi l l be consi der ed t he t ot al of sedi ment pl us wat er i n t he bi n when t he dr edge l eaves t he channel f or t he ODMDS. The navi gat i on channel i s not an aut hor i zed di sposal ar ea. Dr agbeams, bed l evel er s or ot her such devi ces have been appr oved.

Mat er i al shal l not be pl aced i n t he ERDC near shor e di sposal ar ea.

I f Savannah Har bor ent r ance channel dr edgi ng occur s s i mul t aneousl y wi t h t he Savannah Har bor Expansi on Pr oj ect dr edgi ng, coor di nat e use of t he ODMDS wi t h ot her dr edges al so usi ng t he ar ea.

1. 9. 3 Wi l mi ngt on Har bor

The Wi l mi ngt on Har bor ODMDS i s cur r ent l y aut hor i zed f or di sposal of dr edged mat er i al . Di sposal of dr edged mat er i al f r om t he Wi l mi ngt on Har bor channel s shal l be i n t he Ocean Dr edged Mat er i al Di sposal Si t e ( ODMDS) wi t hi n t he desi gnat ed di sposal zone shown on t he dr awi ngs. Di sposal of mat er i al i n t he ODMDS i s t o be i n compl i ance wi t h t he cur r ent Wi l mi ngt on Har bor ODMDS Si t e Management and Moni t or i ng Pl an ( SMMP) . Dr edged mat er i al wi l l not be al l owed cl oser t han 600 f eet f r om t he ODMDS boundar y. Di sposal shal l be conduct ed i n such a manner t hat wat er above t he dumped mat er i al wi l l have a mi ni mum cl ear ance of 30 f eet at mean l ower l ow wat er ( MLLW) . I n or der t o maxi mi ze ODMDS capaci t y and mi ni mi ze moundi ng of mat er i al , t he dumps shal l be scat t er ed t hr oughout t he desi gnat ed di sposal zone and not pl aced r epeat edl y at one l ocat i on. Thi s shal l be accompl i shed by di v i di ng t he di sposal zone i nt o quadr ant s and pl aci ng successi ve dump l oads i nt o successi ve quadr ant s. No over f l ow wi l l be al l owed i n r out e t o t he ODMDS.

The navi gat i on channel i s not an aut hor i zed di sposal ar ea. Dr agbeams, bed l evel er s or ot her such devi ces ar e not al l owed t o be used i n t he Wi l mi ngt on Har bor ODMDS f or t hi s Cont r act .

1. 9. 4 Mor ehead Ci t y Har bor

The Near shor e East Pl acement Ar ea i s cur r ent l y aut hor i zed f or t he di sposal of dr edged mat er i al . Di sposal of dr edged mat er i al shal l be i n t he Near shor e East Pl acement Ar ea. The Gover nment ' s i nt ent i s t o maxi mi ze f ut ur e use of t he Near shor e East Pl acement Ar ea, whi ch i s di v i ded i nt o cel l s , by f i l l i ng por t i ons of cel l s c l osest t o shor e f i r st . Thi s wi l l al l ow f or ef f i c i ent use of t he ar ea, as wel l as pr event i ng bl ockage of access t o and exi t f r om t he cel l s dur i ng f ut ur e pr oj ect s. The cel l s i n t he Near shor e East Pl acement Ar ea avai l abl e t o t he Cont r act or f or pl acement of dr edged mat er i al ar e Cel l s R- 4 t hr ough R- 16. The emphasi s f or pl acement shal l be i n Cel l s R- 4 t hr ough R- 8, t o maxi mi ze t he pot ent i al f or f ut ur e use of t he ar ea. Cel l s R- 12 t hr ough R- 16 shal l onl y be used when t he ot her cel l s can' t be saf el y accessed. Pl acement of each l oad shal l be l ocat ed such t hat r est r i c t i ng/ bl ocki ng f ut ur e access i nt o and exi t f r om t he cel l s does not occur . Dr edged mat er i al pl acement shal l be conduct ed i n such a manner t hat t he wat er above t he dumped mat er i al wi l l have a mi ni mum cl ear ance of 17 f eet at mean l ower l ow wat er ( MLLW) . Any mat er i al t hat i s deposi t ed or al l owed t o f l ow el sewher e t han i n t he appr oved por t i ons of t he Near shor e East Pl acement Ar ea or ar eas 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 wi l l not be pai d f or and t he Cont r act or may be r equi r ed t o r emove such mi spl aced mat er i al and deposi t i t wher e di r ect ed at hi s/ her expense.

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1. 9. 5 Use of Ot her Di sposal Ar eas

Mat er i al deposi t ed el sewher e t han i n pl aces desi gnat ed or appr oved by t he Cont r act i ng Of f i cer wi l l not be pai d f or and t he Cont r act or may be r equi r ed t o r emove such mi spl aced mat er i al and deposi t i t wher e di r ect ed by t he Cont r act i ng Of f i cer at t he Cont r act or ' s expense. The use of hopper , mechani cal , and/ or pi pel i ne dr edges wi t h dump scows t o di spose of dr edged mat er i al i s per mi t t ed.

1. 9. 6 Navi gat i onal Devi ces

a. To ensur e t hat t he Di st r i c t has a r ecor d of t he t r anspor t of dr edged mat er i al , each vessel used f or t he t r anspor t at i on of dr edged mat er i al f r om t he wor k s i t e t o t he ocean di sposal ar ea shal l be equi pped wi t h t wo navi gat i onal r ecor di ng devi ces f or use dur i ng t r ansi t t o and f r om t he l oadi ng and di sposal s i t es. One of t hese shal l be ei t her a char t or map r ecor der wi t h a scal ed gr i d t hat shows t he begi nni ng and endi ng l ocat i on of each dump, ei t her l at i t ude/ l ongi t ude or Geor gi a St at e pl ane coor di nat es f or Savannah and Br unswi ck Har bor s and Nor t h Car ol i na St at e pl ane coor di nat es f or Wi l mi ngt on and Mor ehead Ci t y Har bor s. The ot her r ecor di ng devi ce shal l be a comput er t o gener at e r epor t s cont ai ni ng t he i nf or mat i on descr i bed i n Par agr aph Tr anspor t and Di sposal Logs, bel ow. The use of a l or an navi gat i on devi ce i s not sui t abl e f or use as t he pr i mar y vessel posi t i oni ng syst em.

b. Bot h navi gat i on r ecor di ng devi ces ar e t o be used si mul t aneousl y t hr oughout t he pr oj ect . I f one of t he r ecor di ng devi ces st ops f unct i oni ng, r epai r or r epl ace i t i mmedi at el y upon r et ur n t o t he wor k s i t e and cont i nue t o use t he second devi ce. I f bot h r ecor di ng devi ces st op f unct i oni ng, out f i t at l east one r ecor di ng devi ce on t he vessel upon r et ur n t o t he wor k site.

c. No vessel shal l l eave f or t he di sposal s i t e wi t hout at l east one oper at i onal navi gat i on r ecor di ng devi ce. Under ext r eme emer gency condi t i ons as det er mi ned by t he CO and when no r ecor di ng devi ce i s oper at i onal , t he vessel may be al l owed t o compl et e one l oadi ng and di sposal cycl e. Dur i ng t hi s one l oadi ng and dump cycl e, t he Cont r act or shal l manual l y r ecor d t he vessel posi t i on at 2- mi nut e i nt er val s by ei t her l i s t i ng t he vessel coor di nat es or gr aphi cal l y pl ot t i ng t he vessel posi t i on on a map. Af t er di sposal , t he vessel shal l not be al l owed t o r esume di sposal oper at i ons unt i l bot h navi gat i onal r ecor di ng devi ces ar e oper at i onal .

1. 9. 7 Tr anspor t and Di sposal Logs

The dai l y t r anspor t and di sposal l ogs shal l show t he f ol l owi ng f or each dump:

a. The l oad number

b. Dat e

c. Ti me l oad began and ended

d. The l ocat i on i n t he ent r ance channel f r om whi ch t he dr edged mat er i al came ( gi ve f r om/ t o dr edgi ng st at i ons)

e. The begi nni ng and endi ng coor di nat es f or whi ch dr edgi ng was conduct ed f or t he l oad f . The begi nni ng ( hopper opened) and end ( hopper c l osed) t i mes f or each

SECTI ON 35 20 23 Page 11 unl oadi ng event

g. The name of t he s i t e i n whi ch t he l oad was pl aced

h. The number of cubi c yar ds i n each l oad i . Br i ef descr i pt i on of t he mat er i al i n each l oad ( e. g. , c l ean, coar se sand; sand and shel l ; sand mi xed wi t h c l ay and shel l ; dar k or gani c s i l t sand; debr i s or ot her s)

At t he end of t he Cont r act , pr epar e a comput er - gener at ed r epor t f or t he ent r ance channel whi ch encompasses t he r equi r ed i nf or mat i on l i s t ed above.

These dat a shal l be pr ovi ded i n an ASCI I , del i mi t ed f or mat , capabl e of bei ng i mpor t ed i nt o a spr eadsheet , such as an Excel spr eadsheet . The dai l y t r anspor t and di sposal l ogs shal l be at t ached t o t he dai l y QC Repor t .

1. 9. 8 Tr ack Pl ot

When di sposal oper at i ons ar e compl et e, submi t 2 scat t er pl ot s on a di sc usi ng smal l dot s showi ng wher e each l oad was deposi t ed ( begi nni ng of each dump) . One pl ot shal l be on a scal e of 1 i nch equal s 1500 f eet ( t o f i t an 8- 1/ 2 x 11- i nch paper ) , and t he ot her pl ot shal l be t o a scal e of 1 i nch equal s 500 f eet ( t o f i t a f ul l - s i ze bl ue l i ne dr awi ng) . The pl ot s shal l al so show t he boundar i es of t he ODMDS f or Br unswi ck, Savannah and Wi l mi ngt on Har bor s and t he boundar i es of t he Near shor e East Pl acement Ar ea f or Mor ehead Ci t y Har bor . Each pl ot l i ne shal l i ndi cat e t he l oad number associ at ed wi t h t he pl ot . Pr ovi de t hi s i nf or mat i on i n el ect r oni c f or mat s onl y, not har d copy.

1. 9. 9 Rel ease of Load

Loads shal l be r el eased at l east 110 yar ds i nsi de t he ODMDS boundar y f or Savannah and Br unswi ck Har bor s. Loads shal l be r el eased onl y wi t hi n t he l i mi t s of t he ODMDS di sposal zones shown on t he cont r act dr awi ngs f or Wi l mi ngt on Har bor and wi t hi n t he l i mi t s of t he Near shor e East Pl acement Ar ea di sposal cel l s shown on t he cont r act dr awi ngs f or Mor ehead Ci t y Har bor .

1. 10 SURVEYS

1. 10. 1 Bef or e and Af t er Sur veys

Accept ance and f i nal payment f or each accept ance sect i on wi l l be based on Bef or e and Af t er Dr edgi ng Sur veys made by t he Gover nment , as descr i bed i n Par agr aph MEASUREMENT AND PAYMENT. Bef or e and Af t er Dr edgi ng Sur veys ar e made f or accept ance and payment pur poses onl y. Ot her Gover nment sur veys, as descr i bed i n FAR 52. 246- 12 " I NSPECTI ON OF CONSTRUCTI ON" , ar e f or t he sol e benef i t of t he Gover nment . The Gover nment wi l l make Bef or e and Af t er Dr edgi ng Sur veys onl y af t er t he Cont r act or pr ovi des t he f ol l owi ng not i ces i n wr i t i ng:

1. 10. 1. 1 Savannah and Br unswi ck Har bor s

a. Commencement Not i ce: 15 days bef or e dr edgi ng i s t o begi n i n a pr oj ect ar ea, pr ovi de t o t he CO wr i t t en not i ce of dr edgi ng commencement . Wi t hi n 15 days ( weat her per mi t t i ng) af t er r ecei pt of t he not i ce, t he Gover nment wi l l per f or m a Bef or e Dr edgi ng Sur vey f or t he r equest ed or der of wor k. I f t he commencement of dr edgi ng i n t he pr oj ect ar ea i s del ayed mor e t han 15 days af t er t he Bef or e Dr edgi ng Sur vey, t he Gover nment wi l l , at t he Cont r act or ' s r equest and expense, SECTI ON 35 20 23 Page 12 r esur vey t he r equest ed or der of wor k. The addi t i onal sur vey shal l be char ged t o t he Cont r act or at t he r at e of $5, 555 per sur vey- cr ew day t o mobi l i ze, sur vey, and demobi l i ze, i f t he Gover nment sur vey vessel i s i n t he same har bor as t he sur vey. I f t he Gover nment mobi l i zes t he vessel f r om one har bor t o anot her , an addi t i onal $1, 850. 00 shal l be char ged.

Dr edgi ng shal l not commence unt i l t he r esul t i ng sur vey quant i t i es ar e agr eed upon i n wr i t i ng by t he Gover nment and t he Cont r act or . Del ays r esul t i ng f r om non- agr eement bet ween t he Gover nment and t he Cont r act or shal l not be a basi s f or payment of st andby t i me.

b. Compl et i on Not i ce: Upon compl et i on of an accept ance sect i on, t he Cont r act or shal l pr ovi de not i ce of compl et i on t o t he CO. Wi t hi n 5 days ( weat her per mi t t i ng) af t er t he CO r ecei ves t he not i ce, t he Gover nment wi l l per f or m an Af t er Dr edgi ng Sur vey f or t hat accept ance sect i on.

Gener al l y wi t hi n 2 days af t er compl et i on of t he sur vey, copi es of t he pl ot t ed Af t er Dr edgi ng Sur vey wi l l be f ur ni shed t o t he Cont r act or at no char ge. Addi t i onal copi es wi l l be f ur ni shed on r equest at t he cost of r epr oduct i on. The wor k wi l l be t hor oughl y exami ned i n accor dance wi t h t he pr ocedur e descr i bed i n Par agr aph FI NAL EXAMI NATI ON AND ACCEPTANCE, below.

1. 10. 1. 2 Wi l mi ngt on and Mor ehead Ci t y Har bor

( a) The Cont r act or shal l gi ve t he Cont r act i ng Of f i cer or hi s/ her desi gnat ed r epr esent at i ve f i ve ( 5) days advance wr i t t en not i ce bef or e commenci ng wor k.

( b) The Cont r act or shal l r equest Gover nment bef or e- dr edgi ng sur veys, i n wr i t i ng, f i ve ( 5) days pr i or t o begi nni ng dr edgi ng i n an accept ance sect i on.

( c) The Cont r act or shal l r equest Gover nment af t er - dr edgi ng sur veys i n wr i t i ng t hr ee ( 3) wor k i ng days pr i or t o compl et i on of an accept ance sect i on.

1. 10. 2 Sur veyi ng - Savannah and Br unswi ck Har bor s

1. 10. 2. 1 Cont r act or ' s Repr esent at i ve

A r epr esent at i ve of t he Cont r act or shal l be on boar d t he Gover nment vessel dur i ng sur veys. The Cont r act or ' s r epr esent at i ve shal l be f ul l y knowl edgeabl e i n of f shor e const r uct i on hydr ogr aphi c sur veyi ng pr ocedur es, t echni ques, equi pment , and hor i zont al and ver t i cal cal i br at i on met hods, and st at e- of - t he- ar t hor i zont al and ver t i cal accur acy l i mi t at i ons. The Cont r act or ' s r epr esent at i ve shal l obser ve and r evi ew, i n pr ogr ess, t he adequacy and accur acy of t he sur vey. Sur veys per f or med by t he Gover nment and t he Cont r act or wi l l use HYPACK sof t war e.

1. 10. 2. 2 Sur vey Cer t i f i cat i on

a. I mmedi at el y upon compl et i on of t he sur vey, t he Cont r act or ' s r epr esent at i ve shal l , based on hi s onsi t e r evi ew of t he sur vey execut i on, det er mi ne t hat t he sur vey cont ai ns no evi dence of er r or , and t hat subsequent hor i zont al and ver t i cal cor r ect i ons ar e accur at el y annot at ed on t he subsur f ace r ecor d.

b. The Cont r act or ' s r epr esent at i ve shal l br i ng aboar d t he vessel a bl ank copy of t he Cer t i f i cat i on St at ement and shal l at t est t o an accept abl e sur vey by s i gni ng t he Cer t i f i cat i on St at ement bef or e l eavi ng t he vessel .

SECTI ON 35 20 23 Page 13

Sampl e copy of t he Cer t i f i cat i on St at ement i s i n Appendi x A.

c. I n t he event t he Cont r act or ' s r epr esent at i ve i dent i f i es and quant i f i es speci f i c document ar y evi dence of er r or , t he sur vey wi l l be i mmedi at el y r er un. Resur veys wi l l super sede and r ender voi d t he r esul t s of pr evi ous sur veys and r un over t he f ul l r each of t he accept ance sect i on.

d. I f accept abi l i t y i s not acqui r ed af t er per f or mi ng a r esur vey of an accept ance sect i on, t he Cont r act or and t he COR wi l l hol d a meet i ng t o expedi t i ousl y r esol ve t he i ssue causi ng r ej ect i on of t he sur vey.

Cont r act or equi pment and per sonnel st andby t i me t o r esol ve accept abi l i t y of t he sur vey shal l be at t he Cont r act or ' s expense.

e. I n no case shal l a pr evi ousl y unaccept abl e sur vey be l at er j udged accept abl e by t he Cont r act or .

f . I f t he Cont r act or or i t s r epr esent at i ve r ef uses t o cer t i f y t o t he accept abi l i t y of a sur vey f or Cont r act payment , t hese act i ons wi l l f ol l ow:

( 1) Bef or e Dr edgi ng Sur vey. Excavat i on shal l not commence unt i l r epr esent at i ves of t he Cont r act or and Cont r act i ng Of f i cer have met and r esol ved t he basi s f or r ef usal of cer t i f i cat i on. I f t he Cont r act or commences excavat i on pr i or t o obt ai ni ng an accept abl e sur vey, i t shal l be l i abl e f or t he excavat i ons per f or med. I f a r esur vey i s per f or med and accept ed, pr i or excavat i on wi l l not be measur ed, est i mat ed, or pai d f or .

( 2) Af t er Dr edgi ng Sur vey.