B.08_W912HY24B0021 Amend 0001 081424.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

See Continuation Sheet

1. CONTRACT ID CODE PAGE OF PAGES

1 22

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

16C. DATE SIGNED

BY

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 W912HY24B0021

X 9B. DATED (SEE ITEM 11)

29-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

14-Aug-2024

CODE

US ARMY CORPS OF ENGINEERS

GALVESTON DISTRICT

CONTRACTING DIVISION

2000 FORT POINT ROAD

GALVESTON TX 77550-1229

W912HY 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

JEREMY S. BABB CONTRACTING OFFICER

409-766-3900 JEREMY.BABB@USACE.ARMY.MIL

14 AUG 2024

W912HY24B0021

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 30 - BLOCK 14 CONTINUATION PAGE (SF 30)

The following have been added by full text:

AMENDMENT 0001

1. The Specifications for Solicitation No. W912HY24B0021, SABINE-NECHES

WATERWAY, TEXAS, CHANNEL IMPROVEMENT PROJECT SABINE

EXTENSION CHANNEL TO SABINE PASS CHANNEL DREDGING in

JEFFERSON COUNTY, TEXAS, for which BID DUE DATE IS SCHEDULED FOR

28 AUGUST 2024 AT 10:00 A.M. CENTRAL DAYLIGHT TIME are hereby amended as follows:

a) Specifications.

(1) SECTION 35 20 23.12 45, HOPPER DREDGING – The enclosed SECTION 35 20 23.12 45 entitled HOPPER DREDGING supersedes that issued with this Solicitation.

2. This amendment shall be attached to and become a part of the solicitation.

01 Encls:

1. SECTION 35 20 23.12 45, HOPPER DREDGING

(End of Summary of Changes)

SWG FI LE NO. : SN 0101- 0307 SOLI CI TATI ON NO. : W912HY24B0021

SECTI ON TABLE OF CONTENTS

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

SECTI ON 35 20 23. 12 45

HOPPER DREDGI NG AMENDMENT No. : 0001

PART 1 GENERAL

1. 1 SUMMARY

1. 2 REFERENCES

1. 3 MEASUREMENT AND PAYMENT

1. 4 WORK COVERED BY THE CONTRACT PRI CE

1. 4. 1 Exi st i ng Condi t i ons

1. 5 SUBMI TTALS

1. 6 CHARACTER OF MATERI AL

1. 6. 1 Debr i s Wi t hi n t he Dr edgi ng Li mi t s

1. 7 SI GNAL LI GHTS

1. 8 UTI LI TI ES ACROSS THE LI MI TS OF DREDGI NG

1. 8. 1 Known Ut i l i t y / Pi pel i ne Cr ossi ngs

1. 9 ORDER OF WORK

1. 10 OBSTRUCTI ON OF CHANNEL

1. 11 TEMPORARY REMOVAL OF AI DS TO NAVI GATI ON

1. 12 NOTI FI CATI ON PRI OR TO COMMENCEMENT OF DREDGI NG OPERATI ONS

1. 13 NATI ONAL DREDGI NG QUALI TY MANAGEMENT PROGRAM ( DQM)

1. 14 CORPS OF ENGI NEERS RESERVE FLEET

1. 15 PLANT

1. 15. 1 Gener al Regui r ement s

1. 15. 2 Capaci t y

1. 16 I NSPECTI ON

1. 16. 1 Equi pment

1. 16. 2 Tr anspor t at i on

1. 17 QUANTI TY SURVEYS

1. 18 FI NAL EXAMI NATI ON AND ACCEPTANCE

1. 18. 1 Accept ance

1. 19 SHOALS

1. 20 UNANTI CI PATED SHOALI NG

1. 21 VARI ATI ONS I N ESTI MATED QUANTI TI ES - DREDGI NG

1. 22 CONTI NUI TY OF WORK

1. 23 ACCOMMODATI ONS AND MEALS FOR I NSPECTORS

PART 2 PRODUCTS

2. 1 BRI DGE- TO- BRI DGE RADI OTELEPHONE EQUI PMENT

2. 2 LOOKOUTS AND RADI O COMMUNI CATI ONS

PART 3 EXECUTI ON

3. 1 DREDGI NG METHOD AM#1

3. 2 ESTI MATED QUANTI TY OF MATERI AL

3. 2. 1 Quant i t y Summar y

3. 2. 2 Requi r ed Dr edgi ng Templ at e

3. 2. 3 Al l owabl e Over dept h

3. 2. 4 Si de And End Sl opes

3. 2. 5 Excessi ve Dr edgi ng

3. 2. 6 Channel Sur veys

3. 3 AREAS TO BE DREDGED

SECTI ON 35 20 23. 12 45 Page 1

TO ACCOMPANY AMENDMENT 0001 TO SOLI CI TATI ON: W912HY24B0021

3. 4 BED LEVELI NG

3. 5 CONDUCT OF DREDGI NG WORK

3. 5. 1 Pr e- Oper at i ons Saf et y Coor di nat i on Meet i ng

3. 5. 2 Pr ot ect i on of Exi st i ng Wat er ways

3. 5. 3 Adj acent Pr oper t y and St r uct ur es

3. 5. 4 Pr e- Dr edgi ng Hazar d Sur vey

3. 6 PLACEMENT OF EXCAVATED MATERI AL

3. 6. 1 Gener al

3. 6. 2 Ocean Dr edged Mat er i al Si t e ( ODMDS)

3. 6. 3 ODMDS Moni t or Sur veys

3. 7 ENDANGERED SPECI ES PROTECTI ON PLAN

3. 7. 1 Cont ent of Endanger ed Speci es Pr ot ect i on Pl an

3. 8 PRESERVATI ON OF PUBLI C AND PRI VATE PROPERTY

3. 8. 1 Damages

3. 8. 2 Account abi l i t y and Rest or at i on

3. 9 ALTERNATE ODMDS( S) PROPOSED BY CONTRACTOR WI TH BI D AFTER AWARD OF

CONTRACT

3. 9. 1 Dat a Submi t t al

3. 10 UNAUTHORI ZED PLACEMENT OF MATERI AL

3. 10. 1 Debr i s Di sposal

3. 11 VESSEL TRAFFI C SERVI CE AREA

3. 11. 1 Gener al

3. 11. 2 Repor t Changes

3. 11. 3 Por t Ar t hur Vessel Tr af f i c Ser vi ce Locat i on

3. 11. 4 Communi cat i ons

3. 11. 5 Oper at i ons

3. 12 DREDGI NG AND DREDGE RELATED MARI NE WORK

3. 13 AUTOMATI C I DENTI FI CATI ON SYSTEM

3. 14 DREDGE PLANT I NSTRUMENTATI ON

ATTACHMENTS:

ATTACHMENT 1 - QUANTI TY SUMMARY TABLE. The quant i t i es l i s t ed i n t hi s t abl e

ATTACHMENT 2 - POST DI SPOSAL SUMMARY REPORT TEMPLATE

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

SECTI ON 35 20 23. 12 45 Page 2

SECTI ON 35 20 23. 12 45

HOPPER DREDGI NG

AMENDMENT No. : 0001

PART 1 GENERAL

1. 1 SUMMARY

The wor k i n t hi s Sect i on consi st s of f ur ni shi ng pl ant , l abor , mat er i al s, and equi pment and per f or mi ng t he wor k r equi r ed by t hese speci f i cat i ons, schedul es, and dr awi ngs as speci f i ed her ei n f or dr edgi ng t hi s pr oj ect .

1. 2 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 wi t hi n t he t ext by t he basi c desi gnat i on onl y.

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

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

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

1. 3 MEASUREMENT AND PAYMENT

Measur ement and payment f or hopper dr edgi ng wi l l be pai d f or i n accor dance wi t h pr ovi s i ons of t he SECTI ON 01 20 00. 00 45 PRI CE AND PAYMENT PROCEDURES.

1. 4 WORK COVERED BY THE CONTRACT PRI CE

Base bi ds on t he quant i t y of dr edgi ng i ndi cat ed. I f t he t ot al quant i t y of dr edgi ng var i es f r om t hat speci f i ed as t he basi s f or bi ddi ng, t he Cont r act pr i ce wi l l be adj ust ed i n accor dance wi t h Par agr aph: VARI ATI ONS I N ESTI MATED QUANTI TI ES - DREDGI NG. The channel condi t i ons speci f i ed and i ndi cat ed descr i be condi t i ons whi ch ar e known. However , t he Cont r act or i s r esponsi bl e f or ot her condi t i ons encount er ed whi ch ar e not unusual when compar ed t o t he condi t i ons r ecogni zed i n t he dr edgi ng busi ness as usual i n dr edgi ng act i v i t i es such as t hose r equi r ed under t hi s Cont r act . The Cont r act pr i ce f or dr edgi ng wi l l i ncl ude t he cost of r emoval and pl acement of t he mat er i al as speci f i ed i n Par agr aphs: CHARACTER OF MATERI AL and

PLACEMENT OF EXCAVATED MATERI AL.

1. 4. 1 Exi st i ng Condi t i ons

The dr awi ngs al r eady pr epar ed as speci f i ed i n t he CONTRACT CLAUSE ent i t l ed CONTRACT DRAWI NGS AND SPECI FI CATI ONS r epr esent condi t i ons exi st i ng as of t he dat e of t hei r pr epar at i on usi ng appr oxi mat e exi st i ng condi t i ons.

However , t o r ef l ect ant i c i pat ed shoal i ng occur r i ng bet ween t he dat es of pr epar at i on of t he dr awi ngs and t he dat es of t he " bef or e- dr edgi ng" sect i ons, t he est i mat ed dr edgi ng quant i t i es shown i n t he Bi d Schedul e have been adj ust ed accor di ngl y.

SECTI ON 35 20 23. 12 45 Page 3

1. 5 SUBMI TTALS

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

submi t t al s not havi ng a " G" 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 " G" 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 t he SECTI ON 01 33 00 SUBMI TTAL PROCEDURES:

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

Not i f i cat i on Pr i or To Commencement of Dr edgi ng Oper at i ons

I ndi cat e commencement of dr edgi ng oper at i ons and l ocat i on of dr edge( s)

Tempor ar y Removal of Ai ds To Navi gat i on; G, AO

I ndi cat e t empor ar y r emoval or changes i n l ocat i ons of channel mar ker s r equi r ed t o f aci l i t at e dr edgi ng oper at i ons.

Endanger ed Speci es Pr ot ect i on Pl an; G

Submi t an Endanger ed Speci es Pr ot ect i on Pl an t o i ncl ude t he name and qual i f i cat i ons of t he consul t ant t hat wi l l be conduct i ng t r ai ni ng al ong wi t h t he t r ai ni ng document at i on.

Di sposal Sequence Pl an; G

Submi t an ODMDS Di sposal Sequence Pl an, r ef er t o par agr aph 3. 6. 2 of t hi s speci f i cat i on sect i on.

SD- 02 Shop Dr awi ngs

Channel Sur veys; G

Submi t dr awi ngs of sur veys dur i ng pr ogr ess of wor k by soundi ngs or sweepi ngs.

ODMDS Moni t or Sur veys; G, AO

Bef or e dr edgi ng, af t er dr edgi ng, and mont hl y sur veys at each ODMDS shal l be submi t t ed i n ASCI I XYZ f or mat on compact di sks or el ect r oni c f i l e wi t hi n t wo weeks of compl et i on of each sur vey.

Dr ag Bar

Shop dr awi ngs and one phot ogr aph showi ng dr ag bar equi pment used f or f i nal l evel i ng wor k shal l be submi t t ed as par t of t he Cont r act or ' s Qual i t y Cont r ol ( CQC) Repor t .

Bed Level i ng - Repor t i ng and Document i ng

Ful l y document t he bed l evel i ng act i v i t y i ncl udi ng dat e and t i me f or i ni t i at i on and compl et i on of bed l evel i ng on t he CQC Repor t .

Post Di sposal Summar y Repor t ; G

Ref er t o par agr aph 3. 6. 2 f or i nf or mat i on. An exampl e of a Post Di sposal Summar y Repor t al ong wi t h gui dance i s pr ovi ded as

SECTI ON 35 20 23. 12 45 Page 4

At t achment 2 of t hi s speci f i cat i on.

SD- 06 Test Repor t s

Pr e- Dr edgi ng Hazar d Sur vey; G

Pr e- Dr edgi ng Hazar d Repor t t o be submi t t ed f or each dr edgi ng r each as out l i ned i n t he Subpar t , " Pr e- Dr edgi ng Hazar d Sur vey. "

1. 6 CHARACTER OF MATERI AL

The mat er i al t o be dr edged consi st s pr i mar i l y of new wor k mat er i al .

However , shoal ed mat er i al al so exi st s i n t he t op of t he dr edge t empl at e wi t hi n ar eas t hat have been pr evi ousl y dr edged. Expl or at i ons, i ncl udi ng cor e bor i ngs, t o det er mi ne t he char act er of mat er i al s t o be r emoved have been obt ai ned by t he Gover nment and t he r esul t s ar e shown i n Appendi x A, of SECTI ON 02 00 10 EXI STI NG CONDI TI ONS SURVEY I NVESTI GATI ONS. Bi dder s ar e expect ed t o exami ne t he wor ksi t e and t he r ecor ds of pr evi ous dr edgi ng, whi ch ar e avai l abl e i n t he Por t Ar t hur Resi dent Of f i ce and af t er i nvest i gat i on deci de f or t hemsel ves t he char act er of mat er i al s.

1. 6. 1 Debr i s Wi t hi n t he Dr edgi ng Li mi t s

Debr i s, i ncl udi ng but not l i mi t ed t o st one r i pr ap, met al bands, pi eces of br oken cabl e, r ope, st umps, and br oken pi l es may be encount er ed. The Gover nment has no knowl edge of exi st i ng wr ecks, wr eckage, or ot her mat er i al of t hi s s i ze or char act er t hat wi l l r equi r e t he use of expl osi ves or speci al or addi t i onal pl ant f or economi cal r emoval . Debr i s r emoved f r om t he dr edged ar ea i s t o be r emoved f r om t he wat er . Di sposal i s t o be t he r esponsi bi l i t y of t he Cont r act or and di sposal i s t o be conduct ed i n accor dance wi t h subpar agr aph ent i t l ed DEBRI S DI SPOSAL, bel ow. I f t he act ual condi t i ons di f f er f r om t hose st at ed or shown, an adj ust ment i n Cont r act pr i ce, t i me of compl et i on, or bot h wi l l be made i n accor dance wi t h t he CONTRACT CLAUSE ent i t l ed DI FFERI NG SI TE CONDI TI ONS.

1. 7 SI GNAL LI GHTS

The Cont r act or i s t o di spl ay s i gnal l i ght s and conduct i t s oper at i ons i n accor dance wi t h t he Gener al Regul at i ons of t he Depar t ment of t he Ar my and of t he U. S. Coast Guar d gover ni ng t he:

i ) l i ght s and day si gnal s t o be di spl ayed by t owi ng vessel s wi t h t ows on whi ch no si gnal s can be di spl ayed, vessel s wor ki ng on wr ecks, dr edges, and vessel s engaged i n l ayi ng cabl es or pi pe or i n submar i ne or bank pr ot ect i on oper at i ons;

i i ) l i ght s t o be di spl ayed on dr edge pi pe l i nes;

i i i ) day s i gnal s t o be di spl ayed by vessel s of mor e t han 65 f eet i n l engt h moor ed or anchor ed i n a f ai r way or channel ;

i v) and t he passi ng by ot her vessel s of f l oat i ng pl ant wor ki ng i n navi gabl e channel s as set f or t h i n Uni t ed St at es Coast Guar d publ i cat i on ent i t l ed Navi gat i on Rul es and Regul at i ons Handbook. Web si t e l ocat i on:

ht t p: / / www. navcen. uscg. gov/ ?pageName=navRul eChanges

1. 8 UTI LI TI ES ACROSS THE LI MI TS OF DREDGI NG

I t i s t he Cont r act or ' s r esponsi bi l i t y t o i nvest i gat e t he l ocat i on of

SECTI ON 35 20 23. 12 45 Page 5 ut i l i t y cr ossi ngs as descr i bed i n Sect i on 02 30 00 SUBSURFACE I NVESTI GATI ON. The Cont r act or shal l t ake pr ecaut i ons agai nst damages whi ch can r esul t f r om dr edgi ng oper at i ons i n t he v i c i ni t y of t he ut i l i t y cr ossi ngs. I f damage occur s as a r esul t of dr edgi ng oper at i ons, t he Cont r act or wi l l be r equi r ed t o suspend dr edgi ng unt i l t he damage i s r epai r ed and appr oved. Cost s of t hese r epai r s and downt i me of t he dr edge and at t endant pl ant shal l be at no addi t i onal cost t o t he Gover nment .

Ther e ar e no known br i dges, t unnel s, or over head l i nes whi ch ar e wi t hi n t he dr edgi ng l i mi t s.

1. 8. 1 Known Ut i l i t y / Pi pel i ne Cr ossi ngs

Ther e ar e ut i l i t i es/ pi pel i nes whi ch ar e wi t hi n t he wor k l i mi t s. The l ocat i ons of ut i l i t i es/ pi pel i nes t hat ar e known t o cr oss t he ar eas t o be dr edged ar e shown on t he pl ans. Ref er t o Speci f i cat i on Sect i on 02 00 10 EXI STI NG CONDI TI ONS SURVEY I NVESTI GATI ONS, Appendi x B, " Geophysi cal Sur veys" f or addi t i onal i nf or mat i on on ut i l i t y and pi pel i ne cr ossi ngs.

Known cont act i nf or mat i on f or ut i l i t i es and pi pel i nes wi t hi n t he pr oj ect ar ea may be r equest ed f r om Cont r act i ng Of f i cer .

THE DATA FURNI SHED ON THE PLANS ARE BELI EVED TO BE SUBSTANTI ALLY CORRECT.

HOWEVER, THE EXACT LOCATI ONS MAY VARY FROM THAT SHOWN: THEREFORE THE

CONTRACTOR SHALL COOPERATE WI TH THE RESPECTI VE OWNERS TO ESTABLI SH THE

ACTUAL POSI TI ON OF THE PI PELI NES/ UTI LI TI ES. THE U. S. ARMY CORPS OF

ENGI NEERS PERMI TS FOR THE RESPECTI VE PI PELI NES AND PREVI OUS SURVEYS ARE

AVAI LABLE I N THE PORT ARTHUR RESI DENT OFFI CE.

THE FOLLOWI NG I S FURNI SHED FOR I NFORMATI ON ON VERI FYI NG PI PELI NE

OWNERSHI PS:

Lonest ar Not i f i cat i on Cent er 1- 800- 545- 6005 or onl i ne at www. Lonest ar 811. com

Texas 811 ( Di g- Tess) 1- 800- 344- 8377

1. 9 ORDER OF WORK

( a) Upon not i ce t o pr oceed, Cont r act or shal l commence pr e- dr edgi ng hazar d sur vey and subsur f ace i nvest i gat i ons r equi r ed on Bi d Schedul e.

The i nt ent i s t o pr e- det er mi ne or i dent i f y obst r uct i on r i sks/ hazar ds bur i ed i n wor k ar ea l i mi t s pr i or t o dr edgi ng.

( b) Upon compl et i on of pr e- dr edgi ng hazar d sur vey, Cont r act or wi l l begi n and compl et e Schedul e No. 1 dr edgi ng. Opt i ons whi ch ar e exer ci sed wi l l begi n af t er compl et i on of Schedul e No. 1 dr edgi ng.

1. 10 OBSTRUCTI ON OF CHANNEL

The Gover nment wi l l not under t ake t o keep t he Channel f r ee f r om vessel s or ot her obst r uct i ons, except t o t he ext ent of appl i cabl e r egul at i ons, i f any, as may be pr escr i bed by t he Secr et ar y of t he Ar my, i n accor dance wi t h t he pr ovi s i ons of Sect i on 7 of t he Ri ver and Har bor Act appr oved 8 August 1917. The Cont r act or wi l l be r equi r ed t o conduct t he wor k usi ng a met hod t hat wi l l obst r uct navi gat i on as l i t t l e as possi bl e, and i f t he Cont r act or ' s pl ant does obst r uct t he Channel and makes t he passage of vessel s di f f i cul t or endanger s t hem, t he pl ant i s t o be pr ompt l y moved on t he appr oach of a vessel as f ar as may be necessar y t o af f or d a pr act i cabl e passage. Upon compl et i on of t he wor k, t he Cont r act or ' s pl ant

SECTI ON 35 20 23. 12 45 Page 6 i s t o pr ompt l y be r emoved, i ncl udi ng r anges, buoys, pi l es, and ot her mar ks pl aced under t hi s Cont r act .

1. 11 TEMPORARY REMOVAL OF AI DS TO NAVI GATI ON

The t empor ar y r emoval or changes i n l ocat i ons of channel mar ker s may be r equi r ed t o f aci l i t at e dr edgi ng oper at i ons. Submi t a wr i t t en not i f i cat i on t o t he U. S. Coast Guar d and Cont r act i ng Of f i cer at l east 30 days pr i or t o t he dat e t hat t he r emoval or change i n l ocat i on of channel mar ker s wi l l be r equi r ed so t he U. S. Coast Guar d can per f or m t he wor k and so navi gat i on i nt er est s may be i nf or med suf f i c i ent l y i n advance of t he pr oposed r emoval or change i n l ocat i on. Not i f i cat i on shal l i ncl ude l ocat i ons of channel mar ker s r equi r i ng t empor ar y r el ocat i on or r emoval . Cont r act i ng Of f i cer shal l be copi ed on t hi s wr i t t en not i f i cat i on t o t he U. S. Coast Guar d.

The Cont r act or i s not t o r emove, change t he l ocat i on of , obst r uct , wi l l f ul l y damage, make f ast t o, or i nt er f er e wi t h ai ds t o navi gat i on.

1. 12 NOTI FI CATI ON PRI OR TO COMMENCEMENT OF DREDGI NG OPERATI ONS

Not i f y t he Cont r act i ng Of f i cer and t he Resi dent Engi neer , Por t Ar t hur Resi dent Of f i ce, i n wr i t i ng, at l east 10 days pr i or t o commencement of dr edgi ng oper at i ons, t he l ocat i on or l ocat i ons at whi ch a dr edge or dr edges wi l l be pl aced on t he wor k. Thi s i nf or mat i on i s r equi r ed i n addi t i on t o t he pr ogr ess char t s and schedul e pr ovi ded f or i n t he CONTRACT CLAUSE ent i t l ed SCHEDULE FOR CONSTRUCTI ON CONTRACTS.

1. 13 NATI ONAL DREDGI NG QUALI TY MANAGEMENT PROGRAM ( DQM)

The wor k under t hi s Cont r act r equi r es use of t he Nat i onal Dr edgi ng Qual i t y Management Pr ogr am ( DQM) , f or mer l y known as t he Si l ent I nspect or ( SI ) t o moni t or t he dr edge' s st at us at al l t i mes dur i ng t hi s Cont r act i n accor dance wi t h t he Sect i on 35 20 23. 23 NATI ONAL DREDGI NG QUALI TY MANAGEMENT PROGRAM - HOPPER DREDGE. Not i f y t he Cont r act i ng Of f i cer pr i or t o any dr edge' s depar t ur e f r om t he wor k ar ea, whet her per manent or t empor ar y. Conf i r m t hat t he DQM dat a col l ect i on f or t hi s cont r act i s t ur ned of f upon depar t ur e and t ur ned back on upon r et ur n. Dat a t r ansmi ssi on t o t he DQM Cent er and l oad pr opagat i on shoul d be i n compl i ance wi t h t hese speci f i cat i ons.

1. 14 CORPS OF ENGI NEERS RESERVE FLEET

I f t he wor k speci f i ed i n t hi s Cont r act i s per f or med by hopper dr edge( s) , t he owner shal l have an act i ve Basi c Or der i ng Agr eement ( BOA) f or t he hopper dr edge( s) on f i l e wi t h t he Cor ps. The Cont r act or shal l be obl i gat ed t o make t he hopper dr edge( s) avai l abl e t o ser ve i n t he Cor ps of Engi neer s Reser ve Fl eet ( CERF) at any t i me t hat t he hopper dr edge( s) i s per f or mi ng wor k under t hi s Cont r act . When t he Cont r act i ng Of f i cer i s not i f i ed of t he deci s i on t o act i vat e t hi s dr edge( s) i nt o t he CERF, i t shal l t ake appr opr i at e act i on t o r el ease t he dr edge( s) . The Cont r act i ng Of f i cer may t hen ext end or t er mi nat e t he Cont r act t o i mpl ement t he act i on i n t he best i nt er est of t he Gover nment . The CERF Cont r act or shal l al so be subj ect t o t he f ol l owi ng condi t i ons:

a. The Di r ect or of Ci v i l Wor ks may r equi r e t he Cont r act or t o per f or m emer gency dr edgi ng at anot her CONUS ( 48 cont i guous st at es) s i t e f or a per i od of t i me equal t o t he r emai ni ng t i me under t hi s Cont r act at t he dat e of not i f i cat i on pl us up t o 90 days at t he pr evi ousl y negot i at ed r at e whi ch appear s on t he schedul e of pr i ces

SECTI ON 35 20 23. 12 45 Page 7 i n t he BOA.

b. The Chi ef of Engi neer s may r equi r e t he Cont r act or t o per f or m emer gency dr edgi ng at a OCONUS ( Out si de CONUS whi ch i ncl udes Al aska, Hawai i , Puer t o Ri co, t he Vi r gi n I s l ands, or U. S. Tr ust Ter r i t or i es s i t e f or a per i od of t i me equal t o t he t i me r emai ni ng under t hi s Cont r act at t he dat e of not i f i cat i on pl us up t o 180 days at t he negot i at ed r at e whi ch appear s on t he schedul e of pr i ces i n t he BOA.

c. The CERF shal l be act i vat ed by t he Chi ef of Engi neer s or t he Di r ect or of Ci v i l Wor ks; t hen t he Or der i ng Cont r act i ng Of f i cer wi l l not i f y t he Cont r act or . Fr om t he t i me of not i f i cat i on, t he sel ect ed hopper dr edge( s) shal l depar t f or t he emer gency assi gnment wi t hi n 72 hour s f or CONUS or 10 days f or OCONUS assi gnment s.

d. A conf i r mi ng del i ver y or der wi l l be i ssued pur suant t o t he BOA by t he Or der i ng Cont r act i ng Of f i cer . Thi s del i ver y or der shal l ut i l i ze t he schedul e of r at es i n t he BOA f or t he speci f i c hopper dr edge( s) .

e. I f dur i ng t he t i me per i od speci f i ed i n a, b, or c, above, a CERF vessel ( s) i s st i l l r equi r ed, t he Cont r act per f or mance may be cont i nued f or addi t i onal t i me by mut ual agr eement .

1. 15 PLANT

1. 15. 1 Gener al Regui r ement s

Keep t he necessar y dr edge equi pment and at t endant pl ant on t he j ob t o meet t he r equi r ement s of t he wor k. The dr edge equi pment and at t endant pl ant shal l be i n sat i sf act or y oper at i ng condi t i on and capabl e of saf el y and ef f i c i ent l y per f or mi ng t he wor k as set f or t h i n speci f i cat i ons and shal l be subj ect t o i nspect i on by t he Cont r act i ng Of f i cer ' s r epr esent at i ve at al l t i mes.

1. 15. 2 Capaci t y

No r educt i on i n t he capaci t y of t he dr edge equi pment and at t endant pl ant empl oyed t o execut e t he wor k shal l be made except by wr i t t en di r ect i on of t he Cont r act i ng Of f i cer . The measur e of t he " Capaci t y of t he Dr edge and At t endant Pl ant " shal l be i t s act ual per f or mance on t he wor k t o whi ch t hese speci f i cat i ons appl y.

1. 16 I NSPECTI ON

The Gover nment wi l l di r ect t he mai nt enance of t he gages, r anges, l ocat i on mar ks, and l i mi t mar ks i n pr oper or der and posi t i on; but t he pr esence of t he i nspect or shal l not r el i eve t he Cont r act or of r esponsi bi l i t y f or t he pr oper execut i on of t he wor k i n accor dance wi t h t he speci f i cat i ons. The Cont r act or shal l be r equi r ed t o f ur ni sh t he f ol l owi ng i t ems.

1. 16. 1 Equi pment

At t he r equest of t he Gover nment , t he Cont r act or shal l f ur ni sh t he use of boat s, boat men, l abor er s, and mat er i al f or mi ng a par t of t he or di nar y and usual equi pment and cr ew of t he dr edgi ng pl ant as may be r easonabl y

SECTI ON 35 20 23. 12 45 Page 8 necessar y i n i nspect i ng and super vi s i ng t he wor k.

1. 16. 2 Tr anspor t at i on

At t he r equest of t he Gover nment , t he Cont r act or shal l f ur ni sh sui t abl e t r anspor t at i on f r om al l poi nt s on shor e desi gnat ed by t he Cont r act i ng Of f i cer t o and f r om t he var i ous pi eces of pl ant , and t o and f r om t he Pl acement Ar eas. I f t he Cont r act or r ef uses, negl ect s, or del ays compl i ance wi t h t hese r equi r ement s, t he speci f i c f aci l i t i es may be f ur ni shed and mai nt ai ned by t he Cont r act i ng Of f i cer , and t he cost t her eof wi l l be deduct ed f r om t he amount s due or t o become due t he Cont r act or .

1. 17 QUANTI TY SURVEYS

Ref er t o Speci f i cat i on Sect i on 01 10 00. 01 45 NON- REGULATED SPECI AL CONTRACT REQUI REMENTS f or i nf or mat i on on quant i t y sur veys.

1. 18 FI NAL EXAMI NATI ON AND ACCEPTANCE

As soon as pr act i cabl e af t er t he compl et i on of t he ent i r e wor k or any sect i on t her eof , i f t he wor k i s di v i ded i nt o sect i ons and i n t he opi ni on of t he Cont r act i ng Of f i cer wi l l not be subj ect t o damage by f ur t her oper at i ons under t hi s Cont r act , t hi s wor k wi l l be t hor oughl y exami ned at t he expense of t he Gover nment by soundi ng or by sweepi ng, or bot h, as di r ect ed. I f shoal s, l umps, or ot her l ack of Requi r ed Dept h ar e di scl osed by t hi s exami nat i on, t he Cont r act or wi l l be r equi r ed t o r emove same by dr aggi ng t he bot t om or by dr edgi ng at t he Cont r act r at e f or dr edgi ng but , i f t he bot t om i s sof t and t he shoal ar eas ar e smal l and f or m no mat er i al obst r uct i on t o navi gat i on, t he r emoval of t he shoal may be wai ved at t he di scr et i on of t he Cont r act i ng Of f i cer . The Cont r act or or i t s aut hor i zed r epr esent at i ve wi l l be not i f i ed when soundi ngs or sweepi ngs ar e t o be made and wi l l be per mi t t ed t o accompany t he sur vey par t y. When t he ar ea i s f ound t o be i n a sat i sf act or y condi t i on i t wi l l be accept ed f i nal l y. I f mor e t han t wo soundi ng or sweepi ng oper at i ons by t he Gover nment over an ar ea ar e necessar y, by r eason of wor k f or t he r emoval of shoal s di scl osed at a pr i or soundi ng or sweepi ng, t he cost of t he t hi r d and any subsequent soundi ng or sweepi ng oper at i ons wi l l be char ged agai nst t he Cont r act or at t he r at e of $16, 620. 00 per day f or each day i n whi ch t he Gover nment pl ant i s engaged i n soundi ng or sweepi ng or i s enr out e t o or f r om t he si t e or hel d at or near t he s i t e f or t hese oper at i ons.

1. 18. 1 Accept ance

Fi nal accept ance of t he whol e or a par t of t he wor k and t he deduct i ons or cor r ect i ons of deduct i ons made t her eon wi l l not be r eopened af t er havi ng once been made, except on evi dence of col l usi on, f r aud, or obvi ous er r or , and t he accept ance of a compl et ed sect i on wi l l not change t he t i me of payment of t he r et ai ned per cent ages of t he whol e or any par t of t he wor k.

1. 19 SHOALS

I f , bef or e t hi s Cont r act i s compl et ed, shoal s occur i n a sect i on pr evi ousl y accept ed, r edr edgi ng at t he Cont r act pr i ce, wi t hi n t he l i mi t of avai l abl e f unds, may be done i f agr eeabl e t o bot h t he Cont r act or and t he Cont r act i ng Of f i cer .

1. 20 UNANTI CI PATED SHOALI NG

Dur i ng t he cour se of t hi s Cont r act , unant i c i pat ed dr edgi ng r equi r ement s

SECTI ON 35 20 23. 12 45 Page 9 may devel op t hat r equi r e t he use of t he Cont r act or and Cont r act or ' s pl ant .

The dr edgi ng r equi r ed woul d be si mi l ar i n scope t o t hat r equi r ed under t he cur r ent cont r act . Dr edgi ng woul d consi st of l i mi t ed por t i ons of a sect i on of channel , i nt ended t o r emove cr i t i cal shoal s hi nder i ng commer ci al navi gat i on. I f such a need ar i ses, t he Cont r act i ng Of f i cer may i ssue a Request f or Pr oposal f or t he wor k under t he CONTRACT CLAUSE ent i t l ed CHANGES, and t he wor k per f or med upon t he execut i on of a bi l at er al cont r act modi f i cat i on.

1. 21 VARI ATI ONS I N ESTI MATED QUANTI TI ES - DREDGI NG

Wher e t he quant i t y of a pay i t em i n t hi s Cont r act i s an est i mat ed quant i t y and wher e t he act ual quant i t y of mat er i al wi t hi n t he r equi r ed dr edgi ng pr i sm var i es, an equi t abl e adj ust ment wi l l be pr ocessed i n accor dance wi t h CONTRACT CLAUSE t i t l ed VARI ATI ON I N ESTI MATED QUANTI TY ( Apr i l 1984) . The equi t abl e adj ust ment appl i es onl y t o t he quant i t y wi t hi n t he r equi r ed dr edgi ng pr i sm, whi ch does not i ncl ude t he al l owabl e over dept h. I f t he t ot al quant i t y of mat er i al t o be pai d f or and act ual l y r emoved under t hi s Cont r act exceeds t he l i mi t est abl i shed by CONTRACT CLAUSE t i t l ed VARI ATI ON I N ESTI MATED QUANTI TY ( Apr i l 1984) , an addi t i onal t i me wi l l be al l owed at t he r at e of 1 cal endar day f or each 40, 000 cubi c yar ds i n excess of t he est abl i shed l i mi t . The Cont r act or i s not t o exceed t he est i mat ed quant i t i es i n t he Cont r act Li ne I t ems wi t hout pr i or aut hor i zat i on and onl y wi t h a s i gned modi f i cat i on i ssued by t he Cont r act i ng Of f i cer .

1. 22 CONTI NUI TY OF WORK

No payment wi l l be made f or wor k done i n an ar ea desi gnat ed by t he Cont r act i ng Of f i cer unt i l t he f ul l dept h r equi r ed under t hi s Cont r act i s secur ed i n t he whol e of t hi s ar ea, unl ess pr event ed by l edge r ock, nor wi l l payment be made f or excavat i on i n an ar ea not adj acent t o and i n pr ol ongat i on of ar eas wher e f ul l dept h has been secur ed except by deci s i on of t he Cont r act i ng Of f i cer . I f a non- adj acent ar ea i s excavat ed t o f ul l dept h dur i ng t he oper at i ons car r i ed on under t hi s Cont r act , payment f or t he wor k t her ei n may be def er r ed unt i l t he r equi r ed dept h has been r eached i n t he ar ea i nt er veni ng. The Cont r act or may be r equi r ed t o suspend dr edgi ng when t he gages or r anges cannot be seen or pr oper l y f ol l owed.

1. 23 ACCOMMODATI ONS AND MEALS FOR I NSPECTORS

I f t he Cont r act or mai nt ai ns on t hi s wor k an est abl i shment f or t he subsi st ence of i t s empl oyees, i t shal l , when r equi r ed, f ur ni sh t o i nspect or s empl oyed on t he wor k, and t o al l Gover nment agent s who may vi s i t t he wor k on of f i c i al busi ness, meal s of an appr oved qual i t y. The meal s f ur ni shed wi l l be pai d f or by t he Gover nment at a r at e of $6. 00 per per son f or each meal .

PART 2 PRODUCTS

2. 1 BRI DGE- TO- BRI DGE RADI OTELEPHONE EQUI PMENT

Dr edge and sel f - pr opel l ed at t endant f l oat i ng pl ant shal l be r adi ot el ephone equi pped t o compl y wi t h t he pr ovi s i ons of t he Vessel Br i dge- t o- Br i dge Radi ot el ephone Act ( Publ i c Law 92- 63) . Thi s wi l l r equi r e, as a mi ni mum, t he r adi ot el ephone equi pment capabl e of t r ansmi t t i ng and r ecei v i ng on

156. 65 MHz ( Channel 13) . Mul t i - channel equi pment wi l l al so r equi r e 156. 8 MHz ( Channel 16) . Dr edge t ugs and t ender s wi l l be consi der ed t owi ng vessel s wi t hi n t he meani ng of t he Act .

SECTI ON 35 20 23. 12 45 Page 10

2. 2 LOOKOUTS AND RADI O COMMUNI CATI ONS

The Cont r act or shal l have a l ookout per son post ed i n t he dr edge cont r ol r oom at al l t i mes t o v i sual l y moni t or t he movement of vessel s ar ound t he dr edge pl ant and t o per f or m r adi o communi cat i ons wi t h company wor kboat s and t o del i ver passi ng ar r angement s wi t h ot her commer ci al , f i shi ng, and r ecr eat i onal vessel s. The l ookout shal l be compet ent i n U. S. Coast Guar d and Feder al Communi cat i ons Commi ssi on r adi o communi cat i on pr ocedur es and r equi r ement s, and al so t r ai ned i n t he Vessel Br i dge t o Br i dge Radi ot el ephone Act . The l ookout shal l mai nt ai n up t o t he mi nut e i nf or mat i on on t he st at us of each company wor kboat as wel l as appr oachi ng vessel s and wi l l communi cat e t hi s i nf or mat i on as r equi r ed t o pr event col l i s i ons. Each company wor kboat shal l check i n wi t h t he l ookout when ar r i v i ng at t he dr edge and shal l r ecei ve r adi o c l ear ance f r om t he l ookout bef or e depar t i ng t he dr edge.

FAI LURE TO COMPLY WI TH THI S REQUI REMENT WI LL BE CONSI DERED A VI OLATI ON OF

THE SAFETY PROTOCOL ESTABLI SHED HEREI N. PURSUANT TO THE DI RECTI ON OF THE

CONTRACTI NG OFFI CER, THE CONTRACTOR MAY BE REQUI RED TO CEASE OPERATI ONS

UNTI L THI S PROVI SI ON I S COMPLI ED WI TH. ANY SUSPENSI ON, DELAY OR

I NTERRUPTI ON OF WORK ARI SI NG FROM NON- COMPLI ANCE OF THI S PROVI SI ON SHALL

NOT CONSTI TUTE A BREACH OF THI S CONTRACT AND SHALL NOT ENTI TLE THE

CONTRACTOR TO ANY PRI CE ADJUSTMENT UNDER THE CONTRACT CLAUSE ENTI TLED

SUSPENSI ON OF WORK OR ANY OTHER MANNER UNDER THI S CONTRACT.

PART 3 EXECUTI ON

3. 1 DREDGI NG METHOD AM#1

Al l excavat i on wi t hi n speci f i ed channel shal l t hat i s t o be per f or med wi t h a Hopper Dr edge must be t r anspor t ed t o t he desi gnat ed ODMDS.

3. 2 ESTI MATED QUANTI TY OF MATERI AL

Wi t hi n t he l i mi t s of avai l abl e f unds, t he Cont r act or wi l l be r equi r ed t o excavat e t he ent i r e quant i t y of mat er i al necessar y t o compl et e t he wor k speci f i ed whet her t he quant i t i es i nvol ved ar e gr eat er or l ess t han t hose est i mat ed. The wor k i s t o be done i n accor dance wi t h t hi s Cont r act and at t he Cont r act pr i ce or pr i ces, subj ect t o t he pr ovi s i ons of t he Par agr aph t i t l ed VARI ATI ONS I N ESTI MATED QUANTI TI ES - DREDGI NG.

3. 2. 1 Quant i t y Summar y

The quant i t i es l i s t ed i n ATTACHMENT 1 - QUANTI TY SUMMARY TABLE. The quant i t i es l i s t ed i n t hi s t abl e i ncl ude t he vol umes pr esent at t he t i me of t he sur veys i ndi cat ed on t he Cont r act dr awi ngs, pl us ant i c i pat ed shoal i ng bef or e dr edgi ng begi ns. For t he pur pose of accept ance, t he dr edgi ng wor k i n t he Bi d Schedul e i s di v i ded i nt o t he Sect i ons l i s t ed i n t he Quant i t y Summar y Tabl e.

3. 2. 2 Requi r ed Dr edgi ng Templ at e

The t ot al est i mat ed amount of mat er i al t o be r emoved f r om wi t hi n t he speci f i ed l i mi t s, i ncl udi ng si de and end sl opes and i ncl udi ng ant i c i pat ed shoal i ng occur r i ng pr i or t o t he dat es of t he " bef or e- dr edgi ng" sur veys but excl udi ng over dept hs, i s l i s t ed i n Appendi x 1 - QUANTI TY SUMMARY TABLE. Requi r ed Dr edgi ng Templ at e i s shown as t he ar ea above t he Al l owabl e Over dept h ar ea and i nsi de t he sl opes as shown i n t he cont r act cr oss sect i ons.

SECTI ON 35 20 23. 12 45 Page 11

3. 2. 3 Al l owabl e Over dept h

Al l owabl e Over dept h i s shown on t he Cont r act cr oss sect i ons t o cover unavoi dabl e i naccur aci es of t he dr edgi ng pr ocess. Mat er i al act ual l y r emoved f r om t he desi gnat ed Al l owabl e Over dept h ar ea wi l l be measur ed and pai d f or at f ul l Cont r act pr i ce. The maxi mum amount of al l owabl e over dept h dr edgi ng i s est i mat ed i n At t achment 1 - QUANTI TY SUMMARY TABLE.

3. 2. 4 Si de And End Sl opes

Dr edgi ng of t he s i de and end sl opes shal l f ol l ow as c l osel y as pr act i cabl e t o t he l i nes i ndi cat ed or speci f i ed. Al l mat er i al above t he r equi r ed dr edge t empl at e shal l be r emoved, i ncl udi ng t he si de and end sl opes. Onl y mat er i al wi t hi n t he r equi r ed dr edgi ng t empl at e and al l owabl e over - dept h i s payabl e.

3. 2. 5 Excessi ve Dr edgi ng

Mat er i al t aken f r om beyond t he l i mi t s as speci f i ed wi l l be deduct ed f r om t he t ot al amount dr edged as excessi ve over dept h dr edgi ng or excessi ve s i de or end sl ope dr edgi ng, f or whi ch payment wi l l not be made. Not hi ng her ei n shal l be const r ued t o pr event payment f or t he r emoval of shoal s per f or med i n accor dance wi t h t he appl i cabl e pr ovi s i ons of t he Par agr aph t i t l ed FI NAL EXAMI NATI ON AND ACCEPTANCE or Par agr aph t i t l ed SHOALS.

3. 2. 6 Channel Sur veys

Cont r act or i s r esponsi bl e f or per f or mi ng sur veys f or qual i t y cont r ol pur poses dur i ng dr edgi ng. Near compl et i on of each payment sect i on, per f or m suf f i c i ent sur veys t o accur at el y depi ct t hose por t i ons of t he accept ance sect i on r equi r i ng c l ean- up.

3. 3 AREAS TO BE DREDGED

Based on i nf or mat i on cur r ent l y avai l abl e t o t he Gover nment , ar eas known t o r equi r e dr edgi ng ar e as shown i n t he dr awi ngs.

3. 4 BED LEVELI NG

Bed l evel i ng by dr aggi ng t he bot t om wi t h a dr ag bar or ot her appar at us shal l be al l owed onl y i n t he ar eas t hat ar e desi gnat ed f or dr edgi ng i n t he dr awi ngs. Dr aggi ng i n ar eas out si de of t he desi gnat ed dr edgi ng ar eas i s pr ohi bi t ed wi t hout wr i t t en appr oval . Rel ocat i on t r awl i ng as speci f i ed i n t he Sect i on 35 20 23. 14 45 PROTECTI ON OF ENDANGERED SPECI ES, i s not r equi r ed i n conj unct i on wi t h bed l evel i ng oper at i ons.

3. 5 CONDUCT OF DREDGI NG WORK

3. 5. 1 Pr e- Oper at i ons Saf et y Coor di nat i on Meet i ng

Pr i or t o ar r i val on l ocat i on and commenci ng dr edge oper at i ons, t he Cont r act or shal l at t end a pr e- dr edgi ng saf et y coor di nat i on meet i ng bet ween t he dr edge oper at or s, pi l ot s, t owi ng i ndust r y r epr esent at i ves, VTS, and t he af f ect ed por t . I t i s t he Cont r act or ' s r esponsi bi l i t y t o cont act t he U. S. Coast Guar d ( USCG) t o coor di nat e and schedul e t hi s meet i ng.

Cont act or i s t o i nf or m t he Gover nment at l east 48 hour s pr i or t o t he schedul ed meet i ng so t hat a Gover nment Repr esent at i ve may at t end.

Cont r act or shal l compl y wi t h al l USCG pr e- dr edgi ng r equest s i ncl udi ng

SECTI ON 35 20 23. 12 45 Page 12 submi t t al of a channel obst r uct i on r equest , af f i r mat i on of secur i t y, and/ or ai ds t o navi gat i on r el ocat i on r equest s, as appl i cabl e. Cont r act or shal l accommodat e any r equest s by USCG t o pl ace a USCG member onboar d dr edgi ng vessel s dur i ng passage of any vessel s consi der ed by USCG t o be a " Movi ng Secur i t y Zone. "

3. 5. 2 Pr ot ect i on of Exi st i ng Wat er ways

Conduct dr edgi ng oper at i ons usi ng a met hod t hat wi l l ensur e t hat mat er i al or ot her debr i s ar e not pushed out si de of t he dr edgi ng l i mi t s or ot her wi se deposi t ed i n exi st i ng s i de channel s, basi ns, docki ng ar eas, or ot her ar eas bei ng used by vessel s. The Cont r act or wi l l be r equi r ed t o change i t s met hod of oper at i ons t hat may be r equi r ed t o compl y wi t h t he above r equi r ement s. I f bot t om mat er i al or ot her debr i s ar e bei ng pushed i nt o ar eas not ed above, as a r esul t of t he Cont r act or ' s oper at i ons, t he same shal l be pr ompt l y r emoved by and at t he expense of t he Cont r act or t o t he sat i sf act i on of t he Cont r act i ng Of f i cer .

3. 5. 3 Adj acent Pr oper t y and St r uct ur es

Thi s wor k wi l l r equi r e dr edgi ng wi t hi n c l ose pr oxi mi t y t o exi st i ng i mpr ovement s, i ncl udi ng docks, bul kheads, pi l es, and shor el i ne pr ot ect i on. Cont r act or i s r esponsi bl e f or ensur i ng t hat t he dr edge does not come i nt o cont act wi t h t hese exi st i ng f eat ur es. Any dr edgi ng t hat i s r equi r ed wi t hi n 25 f eet of an exi st i ng st r uct ur e shal l be coor di nat ed wi t h t he Cont r act i ng Of f i cer i n advance. Cont r act or i s r esponsi bl e f or pr epar i ng a wor k pl an as r equi r ed under Sect i on 01 33 00 SUBMI TTAL PROCEDURES. Thi s pl an shal l out l i ne t he measur es t hat wi l l be t aken t o ensur e adj acent pr oper t y and st r uct ur es ar e avoi ded. Damage t o pr i vat e or publ i c pr oper t y or st r uct ur es r esul t i ng f r om t he di sposal or dr edgi ng oper at i ons shal l be r epai r ed pr ompt l y by and at no addi t i onal cost t o t he Gover nment . Damage t o st r uct ur es as a r esul t of Cont r act or ' s negl i gence wi l l r esul t i n suspensi on of dr edgi ng and r equi r e pr ompt r epai r at no addi t i onal cost t o t he Gover nment as a pr er equi s i t e t o t he r esumpt i on of dr edgi ng.

3. 5. 4 Pr e- Dr edgi ng Hazar d Sur vey

Pr i or t o commenci ng dr edgi ng, Cont r act or shal l per f or m a hazar d sur vey over t he ent i r e ar ea t o be dr edged ( i . e. , al l of t he Accept ance Sect i ons) t o sear ch f or sur f ace debr i s, unchar t ed pi pel i nes, and/ or ot her anomal i es on t he and bel ow t he exi st i ng seaf l oor . At a mi ni mum t he pr e- dr edge hazar d sur vey shal l consi st of a magnet omet er sur vey wi t h sur vey passes of 100 f eet or l ess. Cont r act or shal l suppl ement t he magnet omet er sur vey wi t h s i de- scan sonar , sub- bot t om pr of i l er , pr obi ng, and/ or s i mi l ar met hods as r equi r ed t o accur at el y det er mi ne l ocat i on, dept h, and composi t i on of bot t om debr i s and unchar t ed hazar ds/ obst r uct i ons. Pr obi ng shal l be coor di nat ed wi t h ut i l i t y owner s. Cont r act or shal l be sol ey r esponsi bl e f or det er mi ni ng necessar y ext ent and met hods of pr e- dr edge hazar d sur vey.

1. Cont r act or ’ s pr e- dr edge hazar d sur vey shal l be per f or med at qual i t y l evel B as def i ned by ASCE 38- 02 ( St andar d Gui del i nes f or t he Col l ect i on and Depi ct i on of Exi st i ng Subsur f ace Ut i l i t y Dat a) .

2. Cont r act or shal l adher e t o t he most cur r ent publ i cat i on of “ Recommended Best Pr act i ces Gui de f or Saf e Dr edgi ng Near Under wat er Gas and Hazar dous Li qui d Pi pel i nes” devel oped by Coast al and Mar i ne Oper at or s Pi pel i ne I ndust r y I ni t i at i ve ( CAMO) and t he Lake Pont char t r ai n Basi n Foundat i on ( LPBF) , SECTI ON 35 20 23. 12 45 Page 13

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Pl anned scope of pr e- dr edge hazar d sur vey shal l be summar i zed i n Hazar d Sur veyi ng Pl an. Resul t s of t he pr e- dr edge hazar d sur vey shal l be pr ovi ded wi t h a summar y of f i ndi ngs, i nt er pr et at i on of any l ocat ed anomal i es, and consi der at i ons f or dr edgi ng. I n addi t i on t o per f or mi ng pr e- dr edge hazar d sur vey, Cont r act or shal l l ocat e and avoi d pi pel i nes, cabl es, and ot her hazar ds pr i or t o anchor i ng, spuddi ng, l ayi ng/ r emovi ng dr edgi ng pi pel i ne, et c. t hr oughout t he cour se of t he Wor k. Cont r act or shal l al so per f or m subsur f ace i nvest i gat i ons i n accor dance wi t h Sect i on 02 30 00 SUBSURFACE I NVESTI GATI ON. I f ut i l i t y damage occur s as a r esul t of dr edgi ng oper at i ons, Cont r act or shal l suspend dr edgi ng unt i l t he damage i s r epai r ed and appr oved. Cost s of t hese r epai r s and downt i me of t he dr edge and at t endant pl ant shal l be Cont r act or ' s r esponsi bi l i t y .

3. 6 PLACEMENT OF EXCAVATED MATERI AL

3. 6. 1 Gener al

Mat er i al excavat ed i s t o be t r anspor t ed t o and deposi t ed i n t he Ocean Dr edged Mat er i al Di sposal Si t e ( ODMDS) desi gnat ed. I nspect t he ODMDS t o ensur e t hat usi ng t he ar ea f or pl acement oper at i ons wi l l not pl ace i t i n v i ol at i on of t he appl i cabl e Feder al , St at e, or l ocal st at ut es concer ni ng f i sh and wi l dl i f e. Par t i cul ar st at ut es whi ch t he Cont r act or ar e t o consi der i ncl ude, but ar e not l i mi t ed t o t he Feder al Mi gr at or y Bi r d Tr eat y Act and t he Endanger ed Speci es Act of 1973.

3. 6. 2 Ocean Dr edged Mat er i al Si t e ( ODMDS)

( 1) Al l mat er i al dr edged f r om t he channel shal l be pl aced i n t he assi gned ODMDS' shown on t he Dr awi ngs.

( 2) Al l pl acement of dr edged mat er i al wi t hi n t he ODMDS shal l be per f or med wi t h a Hopper Dr edge, or scow. No hydr aul i c or pi pel i ne di schar ge shal l be per f or med wi t hi n t he ODMDS.

( 3) Dr edged mat er i al shal l be deposi t ed wi t hi n t he l i mi t i ng l i nes of t he ODMDS. Cont r act or shal l per f or m pl acement oper at i ons i n a manner t hat pr event s t he mat er i al f r om f l owi ng beyond t he l i mi t i ng l i nes of di schar ge. Mat er i al deposi t ed t o a hei ght of 1 f oot or gr eat er beyond t he l i mi t i ng l i nes of t he di schar ge boundar y shal l be r emoved by Cont r act or at no addi t i onal cost t o Owner . Ref er t o t he Dr awi ngs f or addi t i onal di sposal r equi r ement s i ncl udi ng moundi ng l i mi t at i ons.

( 4) Di sposal sequence shal l be sel ect ed by Cont r act or t o compl y wi t h t he di sposal r equi r ement s st at ed on t he Dr awi ngs. Cont r act or shal l submi t Di sposal Sequence Pl an t o Engi neer pr i or t o const r uct i on.

( 5) The USACE Gal vest on Di st r i ct Repr esent at i ve ( Li sa Fi nn or desi gnee) shal l be not i f i ed wi t hi n 24 hour s ( or t he next busi ness day) i f any appar ent l eaki ng or spi l l i ng of dr edged mat er i al occur s as i ndi cat ed by an aver age l oss of dr af t dur i ng t r ansi t f r om t he dr edgi ng ar ea t o t he di sposal r el ease zone( s) i n excess of 2. 0 f eet . An aver age l oss of dr af t t r ansi t i s def i ned as f or war d dr af t l oss pl us af t dr af t l oss di v i ded by 2. I f l oss occur s, t he Cont r act or wi l l f ol l ow up i n a t i mel y manner wi t h a

SECTI ON 35 20 23. 12 45 Page 14 l et t er of j ust i f i cat i on, i ncl udi ng how t he i nci dent occur r ed, how t he i ssue wi l l be addr essed, per t i nent dat es, and cor r ect i ve act i ons t o be i mpl ement ed t o pr event r epet i t i on i n t he f ut ur e.

( 6) Post Di sposal Summar y Repor t : Cont r act or shal l pr epar e and submi t a Post Di sposal Summar y Repor t wi t hi n 30 days af t er compl et i on of dr edged mat er i al pl acement i n t he ODMDS. Gover nment wi l l t hen submi t t hi s r epor t t o t he EPA f or r evi ew. Ref er t o ATTACHMENT 2 - POST DI SPOSAL SUMMARY REPORT TEMPLATE of t hi s speci f i cat i on f or t he r equi r ed Post Di sposal Summar y Repor t t empl at e.

a. The Post Di sposal Summar y Repor t shal l i ncl ude t he f ol l owi ng i nf or mat i on:

i . Dr edgi ng Pr oj ect Ti t l e i i . Per mi t number and expi r at i on dat e ( i f appl i cabl e) i i i . Cont r act number i v . Name of cont r act or ( s) conduct i ng t he wor k

v. Name and t ype of vessel ( s) v i . Di sposal t i mef r ames f or each vessel v i i . Dr edged mat er i al vol umes pl aced wi t hi n t he ODMDS vi i i . Number of l oads t o t he ODMDS i x. Type of mat er i al di sposed at t he ODMDS

x. Dat es of i ni t i al , mont hl y, and f i nal bat hymet r i c sur veys of t he ODMDS x i . I dent i f i cat i on by l oad number of any mi spl aced mat er i al x i i . Nar r at i ve di scussi ng any vi ol at i on( s) x i i i . Bat hymet r i c maps wi t h cont our s showi ng i ni t i al , mont hl y, and f i nal sur veys xi v. I sopach map compar i ng i ni t i al and f i nal sur veys ( r ef er t o par agr aph 3. 6. 3)

b. The r epor t shal l be i n t he f or m of a nar r at i ve wi t h t he f ol l owi ng sect i ons:

i . I nt r oduct i on i i . Descr i pt i on of dr edgi ng and di sposal oper at i ons i i i . Pl ot s of i ni t i al and f i nal bat hymet r y i ncl udi ng synopsi s of f i ndi ngs, and a summar y.

i v . The summar y shal l i ncl ude a t abl e wi t h t he f ol l owi ng col umns: I D ( r ow i dent i f i er ) , ODMDS, dat e of di sposal , gr oss cubi c yar ds pl aced, and di schar ge l ocat i ons ( Lat i t ude ( Nor t h) and Longi t ude ( West ) ) . An exampl e of a Post Di sposal Summar y Repor t al ong wi t h gui dance i s pr ovi ded i n ATTACHMENT 2 - EPA REGI ON 6 POST DI SPOSAL SUMMARY REPORT TEMPLATE of t hi s speci f i cat i on.

c. The r epor t shal l al so i ncl ude a descr i pt i on of any v i ol at i on( s) i ndi cat i ng t he t i me t hey occur r ed, t he c i r cumst ances sur r oundi ng t he vi ol at i on, and speci f i c measur es t aken t o pr event r eoccur r ence.

d. The Post Di sposal Summar y Repor t shal l be accompani ed by t he i ni t i al and f i nal…