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Marine Corps Support Facility - Blount Island, Maintenance Dredging, 38-Foot Project
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W912EP-19-B-0003
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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

MARINE CORPS SUPPORT FACILITY- BLOUNT ISLAND, MAINTENANCE DREDGING, 38-FOOT

PROJECT, DUVAL COUNTY, FLORIDA

A. See Continuation Sheet for Amendments details.

B. The Proposal Due Date Remain Unchanged 1 Mar 2019 @ 2:00 PM Local Time.

C. All other Terms and Condition main uchanged

1. CONTRACT ID CODE PAGE OF PAGES

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 9A. AMENDMENT OF SOLICITATION

NO. W912EP19B0003

X 9B. DATED (SEE ITEM

11) 1 Feb 2019

10B. DATED (SEE ITEM 13)

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, 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 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

CODE

USA ENGINEER DISTRICT, JACKSONVILLE

CONTRACTING DIVISION

701 SAN MARCO BLVD

JACKSONVILLE FL 32207-8175

W912EP 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

X

K3CTCWW9

Typewritten Text 26 Feb 2019

K3CTCWW9

Typewritten Text

K3CTCWW9

Typewritten Text

K3CTCWW9

Typewritten Text

SF 30 CONTINUATION SHEET

Marine Corps Support Facility – Blount Island, Maintenance Dredging, 38-Foot Project, Duval County, Florida

W912EP19B0003 2 Amendment 0003

SUMMARY OF CHANGES

1. SPECIFICATIONS:

CHANGES TO SPECIFICATIONS

DELETE Section 00 31 32 (separate document) and REPLACE with the accompanying revised Section 00 31 32 (separate document).

DELETE Section 35 20 23 and REPLACE with the attached revised Section 35 20 23.

2. DRAWINGS:

DELETE Sheet ID C-01 and REPLACE with the attached revised Sheet ID C-01.

DELETE Sheet ID C-03 and REPLACE with the attached revised Sheet ID C-03.

DELETE Sheet ID C-04 and REPLACE with the attached revised Sheet ID C-04.

(End of Summary of Changes)

The text changes have been updated with additions noted by underlined text and deletions noted by line/ cross-outs, and pertain only to changes made by this amendment. The entire section is replaced if there is any change. The Project Table of Contents and Submittal Register are replaced without underlines and cross-outs if there are changes to these documents. New sections are added without underlines and cross-outs.

Mar i ne Cor ps Suppor t Faci l i t y - Bl ount I s l and Mai nt enance Dr edgi ng, 38- Foot Pr oj ect

SECTI ON TABLE OF CONTENTS

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

SECTI ON 35 20 23

DREDGING

PART 1 GENERAL

1. 1 SCOPE

1. 2 REFERENCES

1. 3 SUBMI TTALS

1. 4 DREDGI NG RESTRI CTI ONS

1. 4. 1 Or der of Wor k

1. 4. 1. 1 Mar i ne Cor ps Suppor t Faci l i t y - Bl ount I s l and ( MCSF- BI )

Mai nt enance Dr edgi ng

1. 4. 2 Hopper Rest r i ct i on

1. 4. 3 Rehandl i ng Faci l i t y

1. 5 SPECI AL I NSTRUCTI ONS

1. 6 PUMPI NG OF BI LGES

1. 7 HI STORI CAL PERI OD SHI PWRECK SI TES

1. 8 UTI LI TY CROSSI NGS

1. 8. 1 Gener al

1. 9 PERMI TS

1. 10 FUEL OI L TRANSFER OPERATI ONS

1. 11 SI GNAL LI GHTS

1. 12 NOTI CE TO MARI NERS - - DREDGI NG CONTRACTS

1. 13 FI NAL CLEANUP

1. 14 WORK VI OLATI ONS

PART 2 PRODUCTS ( NOT APPLI CABLE)

PART 3 EXECUTI ON

3. 1 NOTI FI CATI ON OF COAST GUARD

3. 1. 1 Rel ocat i on of Navi gat i on Ai ds

3. 1. 2 Dr edgi ng Ai ds

3. 2 WORK AREA

3. 2. 1 Access

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

3. 2. 3 Adj acent Pr oper t y and St r uct ur es

3. 2. 4 Subaqueous Cabl e Cr ossi ngs

3. 3 DREDGE LOCATI ON CONTROL

3. 4 DI SPOSAL OF EXCAVATED MATERI AL

3. 4. 1 Gener al

3. 4. 1. 1 Di sposal Ar ea Det ai l s

3. 4. 2 Locat i on of Pi pel i ne Di schar ge Ar ea

3. 4. 3 Upl and Di sposal Ar ea Management

3. 4. 3. 1 Maxi mum Hei ght of Dr edged Mat er i al s at D/ A- D

3. 4. 3. 2 D/ A- D Wei r Oper at i ons

3. 4. 3. 3 Exi st i ng Dr edge Pi pe Segment

3. 4. 4 Pl aci ng of Dr edged Mat er i al

SECTI ON 35 20 23 Page 1 W912EP19B0003 Amendment 0003

3. 4. 5 Dr edge Pi pel i nes

3. 4. 5. 1 Dr edge Di schar ge Pi pel i ne

3. 4. 5. 2 Submer ged Pi pel i ne

3. 4. 5. 3 Fl oat i ng Pi pel i ne

3. 4. 6 Boost er Pumps

3. 4. 7 Mi spl aced Mat er i al

3. 5 REQUI RED DEPTH, ALLOWABLE OVERDEPTH, AND SI DE SLOPES

3. 5. 1 Requi r ed Dept h

3. 5. 2 Al l owabl e Over dept h

3. 5. 3 Si de Sl opes

3. 5. 4 Excessi ve Dr edgi ng

3. 5. 5 Ar eas t o be Dr edged

3. 5. 6 Accept ance Sect i ons

3. 6 SURVEYS

3. 6. 1 Gener al

3. 6. 2 Cont r act or Repr esent at i ve

3. 6. 3 Sur vey Conf l i c t I dent i f i cat i on, Not i f i cat i on and Resol ut i on

3. 6. 4 Ti de Dat a

3. 6. 4. 1 Real Ti me Ki nemat i c ( RTK) GPS

3. 6. 4. 2 Ki nemat i c Ti dal Dat um ( KTD Dat a Fi l e)

3. 6. 4. 3 Non- Oper at i onal Ref er ence St at i on

3. 7 I NSPECTI ON

3. 7. 1 Qual i t y Assur ance Repr esent at i ve ( QAR)

3. 7. 2 Fai l ur e t o Compl y

3. 8 FI NAL EXAMI NATI ON AND ACCEPTANCE

3. 8. 1 Fi nal Exami nat i on of Wor k

3. 8. 2 Bed Level i ng

3. 8. 2. 1 Repor t i ng and Document i ng

3. 8. 3 Fi nal Accept ance

3. 9 SHOALI NG

3. 10 CONTI NUI TY OF WORK

3. 11 NOI SE CONTROL

3. 12 DREDGE CERTI FI CATI ON

3. 13 CERTI FI CATI ON OF ATTENDANT AND AUXI LI ARY PLANT

3. 14 CONSTRUCTI ON FORMS AND DETAI LS

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

SECTI ON 35 20 23 Page 2

SECTI ON 35 20 23

DREDGING

PART 1 GENERAL

1. 1 SCOPE

The wor k cover ed by t hi s sect i on consi st s of f ur ni shi ng al l l abor , mat er i al s, and equi pment , and per f or mi ng al l excavat i on and di sposal of al l mat er i al as speci f i ed her ei n or i ndi cat ed on t he dr awi ngs. Thi s scope al so i ncl udes al l necessar y measur es f or pr ot ect i on of t he envi r onment .

Envi r onment al pr ot ect i on r equi r ement s under t hi s cont r act ar e as i mpor t ant t o over al l compl et i on of t he wor k as ot her t echni cal aspect s. Fai l ur e t o meet t he r equi r ement s of t hese speci f i cat i ons f or envi r onment al pr ot ect i on may r esul t i n wor k st oppages or t er mi nat i on f or def aul t . No par t of t he t i me l ost due t o any such wor k st oppages shal l be made t he subj ect of c l ai ms f or ext ensi ons of t i me or f or excess cost s or damages by t he Cont r act or . I f t he Cont r act or f ai l s or r ef uses t o pr ompt l y r epai r any damage caused by v i ol at i on of t he pr ovi s i ons of t hese speci f i cat i ons, t he Cont r act i ng Of f i cer may have t he necessar y wor k per f or med and char ge t he cost t her eof t o t he Cont r act or .

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 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 Saf et y and Heal t h Requi r ement s Manual

EM 1110- 1- 1000 ( 1993) Phot ogr ammet r i c Mappi ng

EM 1110- 1- 1002 ( 1990) Sur vey Mar ker s and Monument at i on

EM 1110- 1- 1003 ( 1996) NAVSTAR Gl obal Posi t i oni ng Syst em Surveying

EM 1110- 1- 2909 ( 1998; Chg 2) Geospat i al Dat a and Syst ems

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

EM 1110- 2- 1009 ( 2002) St r uct ur al Def or mat i on Sur veyi ng

FLORI DA BOARD OF PROFESSI ONAL SURVEYORS AND MAPPERS ( FBPSM)

FBPSM Mi ni mum Techni cal St andar ds, Chapt er s 177, 472, 61G17

TRI - SERVI CE STANDARDS ( TSS)

TSS ( 2006) A/ E/ C CADD St andar ds

SECTI ON 35 20 23 Page 3

1. 3 SUBMITTALS

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 Sect i on 01 33 00 SUBMI TTAL PROCEDURES:

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

Not i ce of I nt ent t o Dr edge

Pr i or t o commencement of wor k on t hi s cont r act , t he Cont r act or shal l not i f y t he Commander , Sevent h Coast Guar d Di st r i c t of hi s i nt ended oper at i ons t o dr edge and r equest t hat i t be publ i shed i n t he Local Not i ce t o Mar i ner s. Thi s not i f i cat i on must be gi ven i n suf f i c i ent t i me so t hat i t appear s i n t he Not i ce t o Mar i ner s at l east t wo weeks pr i or t o t he commencement of t hi s dr edgi ng oper at i on. A copy of t he not i f i cat i on shal l be pr ovi ded t o t he Cont r act i ng Of f i cer .

Rel ocat i on of Navi gat i on Ai ds

The Cont r act or shal l not 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 any ai d t o navi gat i on. Wi t hi n 7 cal endar days f ol l owi ng r ecei pt of Not i ce of Awar d, t he Cont r act or shal l not i f y t he Commander , Sevent h Coast Guar d Di st r i c t , Mi ami , Fl or i da, of hi s pl an t o dr edge adj acent t o any ai ds whi ch r equi r e r el ocat i on t o f aci l i t at e dr edgi ng. The not i f i cat i on shal l be sent v i a Fax t o 305- 415- 6757, ATTN: Mr . Gene St r at t en. Thi s not i f i cat i on shal l be i mmedi at el y f ol l owed by a f or mal wr i t t en r equest wi t h a copy t o t he Cont r act i ng Of f i cer . The Cont r act or shal l al so cont act t he U. S.

Coast Guar d, 305- 415- 6750, f or i nf or mat i on concer ni ng t he posi t i on t o whi ch t he ai ds wi l l be r el ocat ed.

SD- 02 Shop Dr awi ngs

Dr ag Bar ; G, RO

Submi t 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 i ndi cat ed i n t he par agr aph FI NAL EXAMI NATI ON AND ACCEPTANCE bel ow.

Accept ance Sect i ons Pl an; G, DO

Submi t an accept ance sect i ons pl an f or appr oval by t he Gover nment pr i or t o commencement of wor k. See subpar agr aph " Accept ance Sect i ons" i n par agr aph REQUI RED DEPTH, ALLOWABLE OVERDEPTH, AND SI DE SLOPES bel ow.

Dr edgi ng and Di sposal Pl an; G, AO

For Base wor k, t he Cont r act or shal l submi t a dr edgi ng and di sposal pl an t hi r t y ( 30) days pr i or t o commencement of dr edgi ng, t o be appr oved by t he Cont r act i ng Of f i cer pr i or t o t he commencement of dr edgi ng. For wor k r equi r ed i n opt i ons, t he Cont r act or shal l submi t a dr edgi ng and di sposal pl an t hi r t y ( 30) days pr i or t o commencement of dr edgi ng, t o be appr oved by t he

SECTI ON 35 20 23 Page 4

Cont r act i ng Of f i cer pr i or t o t he commencement of dr edgi ng. The dr edgi ng and di sposal pl an must i ncl ude t he dr edgi ng pl ant t he Cont r act or i nt ends t o use on each bi d i t em and a schedul e i ndi cat i ng st ar t i ng and compl et i on dat es f or each dr edgi ng sect i on. The Cont r act or ' s dr edgi ng and di sposal pl an as wel l as oper at i ons pl an shal l ensur e t he f ol l owi ng:

a. Suf f i c i ent pondi ng ar ea wi t hi n t he di sposal ar ea( s) f or pr oper ef f l uent wat er qual i t y .

b. Dr edge si ze and pr oduct i on r at es sui t abl e t o t he di sposal ar ea( s) s i ze and pr oper ef f l uent di schar ge r at es.

c. The dr edgi ng pl an shal l al so i ncl ude ( but i s not l i mi t ed t o) t he f ol l owi ng:

( 1) A descr i pt i on and schedul e of al l oper at i ons t hat wi l l be 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 wi l l be per f or med.

( 2) A descr i pt i on of al l pl ant ( i ncl udi ng names of dr edges) and equi pment t hat wi l l be 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 .

( 3) Pl ant t o be used i n each sect i on.

( 4) A descr i pt i on of t he pl an of oper at i on of t he wei r , i ncl udi ng whi ch wei r s wi l l be used dur i ng dr edgi ng oper at i ons.

d. The Cont r act i ng Of f i cer must appr ove t he oper at i ons pl an pr i or t o mobi l i zat i on and any oper at i on pl an modi f i cat i ons pr i or t o t hei r i mpl ement at i on. The oper at i ons pl an must be expl i c i t and must i ncl ude, but i s not l i mi t ed t o t he f ol l owi ng:

( 1) Shi f t s and cr ew si zes.

( 2) Communi cat i ons.

( 3) How t he dept h and hor i zont al posi t i oni ng of t he dr edge head wi l l be moni t or ed and how t he dept h measur ement wi l l be cal i br at ed.

Dr edge Equi pment Posi t i on And Dept h

Submi t as i ndi cat ed i n par agr aph DREDGE LOCATI ON CONTROL bel ow.

SD- 07 Cer t i f i cat es

Equi pment and Per f or mance Dat a

The Cont r act or shal l f ur ni sh pr oof of el ect r oni c posi t i oni ng equi pment cal i br at i on t o t he Cont r act i ng Of f i cer . See par agr aph DREDGE LOCATI ON CONTROL bel ow.

Hi st or i cal Per i od Shi pwr eck Si t es

The Cont r act or shal l i mmedi at el y not i f y t he Cont r act i ng Of f i cer i f any shi pwr eck, ar t i f act , or ot her obj ect s of ant i qui t y t hat have sci ent i f i c or hi st or i cal val ue, or ar e of i nt er est t o t he

SECTI ON 35 20 23 Page 5 publ i c, ar e di scover ed, l ocat ed, and/ or r ecover ed.

Surveys

The Cont r act or shal l gi ve 10 days advance not i ce, i n wr i t i ng, t o t he Cont r act i ng Of f i cer of t he need f or a pr e- dr edgi ng sur vey or af t er - dr edgi ng sur vey f or f i nal accept ance f or each accept ance section.

Dai l y/ Mont hl y Repor t of Oper at i ons

The Cont r act or shal l pr epar e on RMS and submi t one ( 1) har d copy of t he Dai l y Repor t of Oper at i ons, usi ng ENG For m No. 4267, f or each dr edge and/ or unl oader wor ki ng. Thi s r epor t shal l be submi t t ed on a dai l y basi s and not i n gr oups ( gr oups = mul t i - days r epor t s packaged t oget her at one t i me) . I n addi t i on t o t he dai l y r epor t , t he Cont r act or shal l pr epar e a Mont hl y Repor t of Oper at i ons f or each mont h or par t i al mont h' s wor k on ENG For m No.

4267. The mont hl y r epor t shal l be submi t t ed on or bef or e t he 7t h of each mont h, consol i dat i ng t he pr evi ous mont h' s wor k. Upon compl et i on of t he j ob, t he Cont r act or shal l submi t a consol i dat ed j ob r epor t , combi ni ng t he mont hl y r epor t s. The Cont r act or shal l di st r i but e one copy of each r epor t t o t he Di st r i c t Engi neer ;

ATTN: CESAJ- EN- C; U. S. Ar my Engi neer Di st r i c t , Jacksonvi l l e, P. O.

Box 4970; Jacksonvi l l e, Fl or i da 32232- 0019. Repor t s shal l be submi t t ed on a mont hl y basi s wi t h dai l y r epor t s accompanyi ng t he mont hl y r epor t and j ob r epor t .

Addi t i onal l y, one copy of t he f or m( s) shal l be mai nt ai ned by t he Cont r act or on t he dr edge( s) f or t he Cont r act i ng Of f i cer ' s i nspect i on pur pose. Fur t her i nst r uct i ons on t he pr epar at i on of t he r epor t s wi l l be f ur ni shed at t he Pr econst r uct i on Conf er ence.

Mi spl aced Mat er i al

The Cont r act or shal l not i f y t he U. S. Coast Guar d Mar i ne Saf et y Of f i ce of any mi spl aced mat er i al as st at ed i n t he Cl ause OBSTRUCTI ON OF NAVI GABLE WATERWAYS of Sect i on 00700 CONTRACT CLAUSES i n Vol ume 1.

Decl ar at i on of I nspect i on f or Ref uel i ng

Ref er t o par agr aph FUEL OI L TRANSFER OPERATI ONS bel ow f or submittal.

1. 4 DREDGI NG RESTRI CTI ONS

1. 4. 1 Or der of Wor k

The Cont r act or shal l per f or m t he Or der of Wor k as di r ect ed by t he Cont r act i ng Of f i cer . I ncomi ng Naval Vessel s move i nt o and out at any t i me wi t hout not i ce; t her ef or e, dr edgi ng oper at i ons may have t o move i f so di r ect ed by t he Cont r act i ng Of f i cer .

1. 4. 1. 1 Mar i ne Cor ps Suppor t Faci l i t y - Bl ount I s l and ( MCSF- BI ) Mai nt enance Dredging

Ther e i s no or der of wor k speci f i ed f or dr edgi ng r el at i ve t o per f or mance of t he dr edgi ng.

SECTI ON 35 20 23 Page 6

1. 4. 2 Hopper Rest r i ct i on

The use of hopper dr edges i s pr ohi bi t ed f or t hi s l ocat i on.

1. 4. 3 Rehandl i ng Faci l i t y

No agi t at i on dr edgi ng i s per mi t t ed.

1. 5 SPECI AL I NSTRUCTI ONS

Dr edgi ng of i nsi t u r ock i s not r equi r ed; but i f encount er ed, t he l ocat i on and ext ent of any i nsi t u r ock above gr ade or r equi r ed dept h shal l be r epor t ed t o t he Cont r act i ng Of f i cer . Al l debr i s encount er ed dur i ng t he dr edgi ng pr ocess shal l become pr oper t y of t he Cont r act or and shal l be r emoved and di sposed i n an of f s i t e l andf i l l sel ect ed by t he Cont r act or and appr oved by t he Cont r act i ng Of f i cer .

1. 6 PUMPI NG OF BI LGES

Cont r act or s ar e war ned t hat pumpi ng oi l or bi l ge wat er cont ai ni ng oi l i nt o navi gabl e wat er s, or i nt o ar eas whi ch woul d per mi t t he oi l t o f l ow i nt o such wat er s, i s pr ohi bi t ed by Sect i on 13 of t he Ri ver and Har bor Act of 1899, appr oved 3 Mar ch 1899 ( 30 St at . 1152; 33 U. S. C. 407) . Vi ol at i on of t hi s pr ohi bi t i on i s subj ect t o t he penal t i es under t he r ef er enced Act s.

1. 7 HI STORI CAL PERI OD SHI PWRECK SI TES

I f any shi pwr eck, ar t i f act , or ot her obj ect s of ant i qui t y t hat have sci ent i f i c or hi st or i cal val ue, or ar e of i nt er est t o t he publ i c, ar e di scover ed, l ocat ed, and/ or r ecover ed, t he Cont r act or acknowl edges t hat :

a. The si t e( s) , ar t i c l es, or ot her mat er i al s ar e t he pr oper t y of t he St at e of Fl or i da, wi t h t i t l e vest ed i n t he Depar t ment of St at e, Di v i s i on of Hi st or i cal Resour ce; and t hat ,

b. They wi l l i mmedi at el y not i f y t he Cont r act i ng Of f i cer .

1. 8 UTI LI TY CROSSI NGS

1. 8. 1 General

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 al l ut i l i t y cr ossi ngs. The Cont r act or shal l t ake pr ecaut i ons agai nst damages whi ch mi ght r esul t f r om hi s 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 any damage occur s as a r esul t of hi s 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 by t he Cont r act i ng Of f i cer . Cost s of such r epai r s and downt i me of t he dr edge and at t endant pl ant shal l be at t he Cont r act or ' s expense.

1. 9 PERMITS

The Cont r act or ' s at t ent i on i s di r ect ed t o t he Cl ause PERMI TS AND RESPONSI BI LI TI ES of Sect i on 00700 CONTRACT CLAUSES i n Vol ume 1 and t he par agr aph PERMI TS AND AUTHORI ZATI ONS of Sect i on 01 57 20 ENVI RONMENTAL

PROTECTION.

SECTI ON 35 20 23 Page 7

1. 10 FUEL OI L TRANSFER OPERATI ONS

I n accor dance wi t h U. S. Coast Guar d r egul at i ons ( 33 CFR 156. 120) , coupl i ngs used i n f uel oi l t r ansf er oper at i ons on any vessel wi t h a capaci t y of 250 or mor e bar r el s of oi l shal l be ei t her a bol t ed or f ul l - t hr eaded connect i on; or a qui ck- connect coupl i ng appr oved by t he Commandant ; or an aut omat i c back- pr essur e shut of f nozzl e used t o f uel t he vessel . An execut ed f uel oi l t r ansf er ( Decl ar at i on) f or m si gned by t he t anker oper at or shal l be submi t t ed t o t he Cont r act i ng Of f i cer f or each r ef uel i ng oper at i on. The U. S. Coast Guar d shal l al so be not i f i ed pr i or t o any r ef uel i ng. A copy of t he Decl ar at i on of I nspect i on f or Ref uel i ng i s on t he web si t e i ndi cat ed i n t he par agr aph CONSTRUCTI ON FORMS AND DETAI LS bel ow.

1. 11 SI GNAL LI GHTS

The Cont r act or shal l di spl ay s i gnal l i ght s and conduct 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 Coast Guar d gover ni ng l i ght s and day s i gnal s t o be di spl ayed by t owi ng vessel s wi t h t ows on whi ch no s i 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, l i ght s t o be di spl ayed on dr edge pi pe l i nes, and 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 , 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 Commandant U. S. Coast Guar d I nst r uct i on M16672. 2, Navi gat i on Rul es: I nt er nat i onal - I nl and ( COMDTI NST M16672. 2) , or 33 CFR 81 Appendi x A ( I nt er nat i onal ) and 33 CFR 84 t hr ough 33 CFR 89 ( I nl and) as applicable.

1. 12 NOTI CE TO MARI NERS - - DREDGI NG CONTRACTS

Shoul d t he Cont r act or , dur i ng oper at i ons, encount er any obj ect s on t he channel bot t om whi ch coul d be a hazar d t o navi gat i on, t he Cont r act or shal l i mmedi at el y not i f y t he Cont r act i ng Of f i cer as t o t he l ocat i on of sai d obj ect and shal l pr ovi de any ot her per t i nent i nf or mat i on necessar y f or t he Cont r act i ng Of f i cer t o pr epar e and i ssue a Not i ce t o Mar i ner s.

1. 13 FI NAL CLEANUP

Fi nal c l eanup, as st at ed i n t he par agr aph COMMENCEMENT, PROSECUTI ON, AND COMPLETI ON OF WORK of Sect i on 00700 CONTRACT CLAUSES i n Vol ume 1, shal l i ncl ude t he r emoval of al l t he Cont r act or ' s pl ant and equi pment ei t her f or di sposal or r euse. Pl ant and/ or equi pment and/ or mat er i al s t o be di sposed of shal l onl y be di sposed i n a manner and at l ocat i ons appr oved by t he Cont r act i ng Of f i cer . Unl ess ot her wi se appr oved by t he Cont r act i ng Of f i cer , t he Cont r act or wi l l not be per mi t t ed t o abandon any equi pment i n t he di sposal ar ea or ot her ar eas adj acent t o t he wor ksi t e. Fai l ur e t o pr ompt l y r emove al l pl ant , pi pel i ne, equi pment , and mat er i al s upon compl et i on of t he dr edgi ng wi l l be consi der ed a del ay i n t he compl et i on of t he f i nal c l eanup and demobi l i zat i on wor k. I n such case, t he Gover nment wi l l exer ci se i t s r i ght as st at ed i n Cl ause DEFAULT ( FI XED- PRI CE CONSTRUCTI ON) of Sect i on 00700 CONTRACT CLAUSES i n Vol ume 1 t o r emove any pl ant and/ or equi pment and/ or mat er i al s at t he Cont r act or ' s expense.

1. 14 WORK VI OLATI ONS

Wor k done i n v i ol at i on of t hese speci f i cat i ons or a ver bal or wr i t t en st op or der of t he Cont r act i ng Of f i cer wi l l be consi der ed as unsat i sf act or y pr ogr ess f or pur poses of pr ogr ess payment s i n accor dance wi t h Cl ause

SECTI ON 35 20 23 Page 8

PAYMENTS UNDER FI XED- PRI CE CONSTRUCTI ON CONTRACTS of Sect i on 00700 CONTRACT CLAUSES i n Vol ume 1.

PART 2 PRODUCTS ( NOT APPLI CABLE)

PART 3 EXECUTI ON

3. 1 NOTI FI CATI ON OF COAST GUARD

3. 1. 1 Rel ocat i on of Navi gat i on Ai ds

Navi gat i on ai ds l ocat ed wi t hi n or near t he ar eas r equi r ed t o be dr edged wi l l be r emoved, i f necessar y, by t he U. S. Coast Guar d i n advance of dr edgi ng oper at i ons. The Cont r act or shal l not 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 any ai d of navigation.

3. 1. 2 Dr edgi ng Ai ds

The Cont r act or shal l obt ai n appr oval f r om t he U. S. Coast Guar d f or al l buoys, dr edgi ng ai d mar ker s t o be pl aced i n t he wat er , and dr edgi ng ai d mar ker s af f i xed wi t h a l i ght pr i or t o t he i nst al l at i on. Dr edgi ng ai d mar ker s and l i ght s shal l not be col or ed or pl aced i n a manner t hat t hey wi l l obst r uct or be conf used wi t h navi gat i on ai ds.

3. 2 WORK AREA

The Cont r act or wi l l be per mi t t ed t o excl ude t he publ i c f r om t he wor k ar eas i n t he i mmedi at e v i c i ni t y of hi s dr edgi ng, t r anspor t i ng, and di sposal oper at i ons. The Cont r act or shal l pr event publ i c access t o t he di schar ge end of t he pi pel i ne. The Cont r act or shal l er ect , mai nt ai n, and move as necessar y, a r est r i c t i ve bar r i er ar ound t he di schar ge of t he hydr aul i c pi pel i ne. The bar r i er shal l be const r uct ed so as t o pr event t he publ i c f r om appr oachi ng t he di schar ge f r om any di r ect i on c l oser t han 40 f eet . The Cont r act or shal l post s i gns i n a conspi cuous l ocat i on wi t h t he wor di ng " DANGER - HI GH PRESSURE DI SCHARGE FROM DREDGE" . Enf or cement shal l be t he Cont r act or ' s r esponsi bi l i t y at no addi t i onal cost t o t he Gover nment . The enf or cement shal l be coor di nat ed wi t h l ocal enf or cement agenci es and wi l l be subj ect t o appr oval of t he Cont r act i ng Of f i cer .

3. 2. 1 Access

The Cont r act or shal l be r esponsi bl e f or pr ovi di ng and mai nt ai ni ng access necessar y f or hi s equi pment and pl ant t o and f r om t he wor k s i t e, moor i ng ar ea, and di sposal ar ea. The Cont r act or shal l ascer t ai n t he envi r onment al condi t i ons whi ch can af f ect t he access such as c l i mat e, wi nds, cur r ent s, waves, dept hs, shoal i ng, and scour i ng t endenci es.

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

The Cont r act or shal l conduct hi s oper at i ons i n such a manner t hat mat er i al or ot her debr i s ar e not pushed out s i de of 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 ut i l i zed by vessel s. The Cont r act or wi l l be r equi r ed t o change hi s met hod of oper at i ons as may be r equi r ed t o compl y wi t h t he above r equi r ement s. Shoul d any bot t om mat er i al or ot her debr i s be pushed i nt o ar eas descr i bed above, as a r esul t of t he Cont r act or ' s oper at i ons, t he same must 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 .

SECTI ON 35 20 23 Page 9

3. 2. 3 Adj acent Pr oper t y and St r uct ur es

Mat er i al i s r equi r ed t o be r emoved adj acent t o ber t hi ng st r uct ur es.

Dr edgi ng adj acent t o any st r uct ur e wi l l not be per mi t t ed any c l oser t han 15 f eet of t he st r uct ur es. Det ai l s f or dr edgi ng adj acent t o st r uct ur es ar e shown on t he cont r act dr awi ngs. Any 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 t he Cont r act or at hi s expense. Any 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 t he Cont r act or ' s expense as a pr er equi s i t e t o t he r esumpt i on of dr edgi ng.

3. 2. 4 Subaqueous Cabl e Cr ossi ngs

The Cont r act or shal l be r esponsi bl e f or ver i f y i ng t he l ocat i ons and dept hs of al l ut i l i t y cr ossi ngs and t ake pr ecaut i ons agai nst damages whi ch mi ght r esul t f r om hi s oper at i ons, especi al l y t he s i nki ng of dr edge spuds and/ or anchor s i nt o t he channel bot t om, i n t he v i c i ni t y of ut i l i t y cr ossi ngs. I f any damage occur s as a r esul t of hi s 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 by t he Cont r act i ng Of f i cer . Cost s of such r epai r s and downt i me of t he dr edge and at t endant pl ant shal l be at t he Cont r act or ' s expense.

3. 3 DREDGE LOCATI ON CONTROL

The Cont r act or shal l have, i n cont i nuous oper at i on on t he dr edge, el ect r oni c posi t i oni ng equi pment t hat wi l l accur at el y and cont i nuousl y comput e and pl ot t he posi t i on and t he deepest penet r at i on of t he dr edge.

Dr edges shal l meet al l of t he f ol l owi ng r equi r ement s, and t hi s i nf or mat i on ( dr edge equi pment posi t i on and dept h) shal l be compi l ed and submi t t ed t o t he Cont r act i ng Of f i cer bi - weekl y:

a. The Cont r act or i s r equi r ed t o have el ect r oni c posi t i oni ng equi pment t hat shal l hor i zont al l y l ocat e t he dr edge when oper at i ng on t he pr oj ect , as wel l as det er mi ne t he dept h of dr edgi ng. Cont i nuous l ocat i ons of t he dr edge shal l be made at al l t i mes dur i ng dr edgi ng.

b. A col or - coded pl ot , i n t he pr oj ect r ef er ence dat um of t he cut t er head, or ot her hydr aul i c or mechani cal dr edgi ng devi ce shal l al so be r ecor ded dai l y depi ct i ng t he ver t i cal and hor i zont al l i mi t s of t he mat er i al dr edged t hat day. Any hor i zont al or ver t i cal dr edge vi ol at i ons shal l be c l ear l y def i ned.

c. The Cont r act or i s r equi r ed t o cal i br at e t he equi pment as r equi r ed by t he manuf act ur er or as r equi r ed by t he Cont r act i ng Of f i cer . Pr oof of cal i br at i on, equi pment and per f or mance dat a, shal l be submi t t ed t o t he Cont r act i ng Of f i cer .

d. For Hor i zont al cont r ol , t he l ocat i on of t he dr edge i s t o be comput ed by coor di nat es wi t h a pr obabl e r ange er r or not t o exceed +/ - 3 f eet . The Cont r act or ' s met hod of hor i zont al l ocat i on of t he dr edge shal l be submi t t ed f or r evi ew. LORAN- C shal l not be per mi t t ed f or l ocat i on cont r ol .

e. The Cont r act or i s al so r equi r ed t o have a dept h of dr edgi ng i ndi cat or accur at e t o wi t hi n one f oot . The i nst r ument used shal l i ndi cat e t he dept h of dr edgi ng at al l t i mes. Thi s equi pment shal l i ncl ude r eal - t i me measur ement of t he wat er ( t i de) l evel . The r epor t ed

SECTI ON 35 20 23 Page 10 el evat i on of dr edgi ng shal l be adj ust ed by t he measur ed wat er l evel el evat i on and shal l have a pr obabl e r ange er r or not t o exceed 1- f oot vertical.

f . I f t he dr edge i s out s i de t he dr edgi ng l i mi t s , t he Cont r act or shal l pr ovi de r eason t he dr edge i s out s i de t he dr edge l i mi t s i n t he Cont r act or ' s Qual i t y Cont r ol Repor t f or each occur r ence.

3. 4 DI SPOSAL OF EXCAVATED MATERI AL

3. 4. 1 General

Mat er i al excavat ed shal l be t r anspor t ed t o and deposi t ed i n t he di sposal ar ea desi gnat ed on t he dr awi ngs. The pl acement of dr edged mat er i al wi l l be at Dayson I s l and Di sposal Ar ea ( D/ A- D) . The appr oxi mat e maxi mum and aver age di st ances i n st at ut e mi l es t o whi ch t he mat er i al wi l l have t o be t r anspor t ed i s as f ol l ows:

Di sposal Ar eas Maxi mum Di st ance Aver age Di st ance

D/ A- D 2. 8 mi l es 2. 6 mi l es

3. 4. 1. 1 Di sposal Ar ea Det ai l s

The Cont r act or shal l pl ace dr edged mat er i al i n t he D/ A- D at t he l ocat i on shown on t he dr awi ngs and as i ndi cat ed i n Sect i on 01 11 00 SUMMARY OF WORK. The access gat e t o D/ A- D i s t o be l ocked at al l t i mes dur i ng const r uct i on of t hi s pr oj ect .

3. 4. 2 Locat i on of Pi pel i ne Di schar ge Ar ea

The pi pel i ne di schar ge ar ea shal l be pl aced at t he l ocat i on shown on t he pr oj ect dr awi ngs as agr eed t o by t he Cont r act i ng Of f i cer . Any devi at i on f r om t he appr oxi mat e pi pel i ne di schar ge ar ea shown on t he dr awi ngs must be appr oved by t he Cont r act i ng Of f i cer pr i or t o pl acement of t he dr edge pi pe i n t he di sposal ar ea. The Cont r act i ng Of f i cer may di r ect per i odi c movement of t he pi pel i ne di schar ge ar ea as necessar y t o ef f i c i ent l y mai nt ai n t he di sposal ar ea.

3. 4. 3 Upl and Di sposal Ar ea Management

The dr edged mat er i al shal l be pl aced i n t he Dayson I s l and Di sposal Ar ea ( D/ A- D) i n such a manner as t o not scour out or damage t he cr own and si de s l opes of t he exi st i ng di kes. Damages t o di kes or scour i ng of t he cr own and si de s l opes shal l be r epai r ed by t he Cont r act or t o t he or i gi nal pr e- awar d condi t i on at no addi t i onal cost t o t he Gover nment . Upon compl et i on of di sposal oper at i ons, t he Cont r act or shal l pr oceed t o r emove t he ponded wat er f r om t he di sposal ar ea usi ng wei r oper at i ons or pumpi ng met hods t hat i ncor por at e di schar gi ng wat er t hr ough t he wei r out f l ows. Bot h of t hese met hods shal l be r equi r ed t o pr oduce an ef f l uent qual i t y meet i ng t he t ur bi di t y r equi r ement s speci f i ed i n Sect i on 01 57 25 TURBI DI TY AND

DI SPOSAL MONI TORI NG.

3. 4. 3. 1 Maxi mum Hei ght of Dr edged Mat er i al s at D/ A- D

Dr edged mat er i al s and/ or wat er shal l not be pl aced hi gher t han 23 f eet , NAVD88, i n t he upl and di sposal ar ea. The Cont r act or shal l const ant l y moni t or t he wat er hei ght whi l e pumpi ng t o i nsur e t hat t hi s c l ear ance i s mai nt ai ned. Mat er i al s deposi t ed i n t he di sposal ar ea above t he maxi mum

SECTI ON 35 20 23 Page 11 hei ght or out s i de t he di sposal ar ea wi l l r esul t i n suspensi on of dr edgi ng oper at i ons and r equi r e t he r emoval of such mat er i al s as a pr er equi s i t e t o t he r esumpt i on of dr edgi ng.

Dr ai nage of ar eas adj acent t o t he di ked di sposal ar ea shal l not be bl ocked or i mpai r ed i n any manner by t he Cont r act or ' s oper at i ons. The Cont r act or shal l excavat e and mai nt ai n di t ches necessar y t o pr event bl ocki ng or i mpai r i ng dr ai nage. The di t ches shal l be of adequat e number and si ze t o el i mi nat e al l bl ockage or i mpai r ment of dr ai nage adj acent t o t he di ked di sposal ar ea.

3. 4. 3. 2 D/ A- D Wei r Oper at i ons

The Cont r act or shal l oper at e and adj ust t he wei r s i n or der t o ensur e t hat wat er di schar ges meet i ng t he t ur bi di t y r equi r ement s speci f i ed i n Sect i on 01 57 25 TURBI DI TY AND DI SPOSAL MONI TORI NG or as di r ect ed by t he Cont r act i ng Of f i cer . The Cont r act or shal l wedge t he r i ser boar ds i n pl ace and seal t he j oi nt s bet ween t he r i ser boar ds, as needed, t o st op f i l l mat er i al or suspended mat er i al f r om passi ng t hr ough t he wei r s.

a. The exi st i ng wei r s shal l be oper at ed by t he Cont r act or t o cont r ol di schar ge of di sposal ar ea ef f l uent dur i ng di sposal and decant i ng oper at i ons. Ri ser boar ds f or t he wei r s ar e st or ed on s i t e i n a secur e l ocat i on. Access t o t he r i ser boar ds wi l l be pr ovi ded by t he Cont r act i ng Of f i cer ' s Repr esent at i ve.

b. The Cont r act or shal l i nst al l r i ser boar ds i n t he wei r s t o a cr est el evat i on whi ch pr oduces an ef f l uent qual i t y meet i ng t he t ur bi di t y r equi r ement s speci f i ed i n Sect i on 01 57 25 TURBI DI TY AND DI SPOSAL MONI TORI NG. Addi t i onal l y, t he wei r cr est el evat i on shal l pr ovi de a mi ni mum of t wo t o t hr ee f eet of pondi ng at t he wei r s dur i ng dr edgi ng.

The Cont r act or shal l wedge t he r i ser boar ds i n pl ace and seal t he end and bet ween- boar d j oi nt s as needed t o pr event soi l s l ur r y and t ur bi d wat er f r om passi ng t hr ough t he wei r s.

c. Upon compl et i on of di sposal oper at i ons, t he Cont r act or shal l pr oceed t o dewat er t he cont ai nment di ke unt i l t he edges of t he ponded wat er have r eceded t o a mi ni mum di st ance of 25 f eet f r om t he c l osest poi nt on t he cont ai nment di ke t oe. Dewat er i ng oper at i ons may be accompl i shed by di t chi ng, pumping or decant i ng t o convey t he ponded wat er f r om t he di sposal ar ea. Decanting Dewat er i ng oper at i ons shal l cont i nue f or a mi ni mum of 15 days dur i ng whi ch t i me t he Cont r act or shal l adj ust t he el evat i ons of t he cr est s t o pr ovi de f or dr ai nage of pondi ng whi l e mai nt ai ni ng pr oper t ur bi di t y l evel s wi t hi n t he ef f l uent .

The el evat i on adj ust ment t o t he wei r s shal l be t he same on al l wei r s i n t he di sposal ar ea. The wei r r i ser boar ds shal l be r emoved one r ow at a t i me. The next r ow of boar ds shal l not be r emoved unt i l t he wat er l evel i s dr awn down t o not mor e t han one i nch above t he wei r s ' cr est .

Thi s pr ocess shal l be cont i nued unt i l t he i nt er f ace wi t h t he suspended dr edged mat er i al i s r eached. Al t er nat el y, i f t he suspended sedi ment i nt er f ace l i es bel ow t he wei r i nver t , decanting dewat er i ng wi l l be consi der ed compl et e when t he wat er sur f ace has been l ower ed t o t he wei r i nver t . Af t er t he i nt er f ace i s r eached, t he Cont r act or shal l cont i nue t o i nspect t he di sposal ar ea unt i l compl et i on of t he wor k under t hi s cont r act , and shal l r emove anot her r ow of boar ds each t i me t he mat er i al has consol i dat ed suf f i c i ent l y so t hat i t wi l l not f l ow f r om t he di sposal ar ea. The ef f l uent f r om t hi s f i nal dr ai nage f or el i mi nat i ng pondi ng shal l meet t he appl i cabl e r equi r ement speci f i ed i n Sect i on 01 57 20 ENVI RONMENTAL PROTECTI ON and/ or Sect i on 01 57 25 TURBI DI TY AND

SECTI ON 35 20 23 Page 12

DI SPOSAL MONI TORI NG.

3. 4. 3. 3 Exi st i ng Dr edge Pi pe Segment

A segment of pi pel i ne has been per manent l y i nst al l ed on t he Dayson I s l and DMPF at t he appr oxi mat e l ocat i on shown on t he dr awi ngs t o pr ovi de vehi cul ar access over t he dr edge di schar ge l i ne dur i ng di sposal oper at i ons. The Cont r act or may connect t o t he end st r uct ur es of t hi s pi pel i ne at t he appr oxi mat e l ocat i on shown on t he dr awi ngs. The exact l ocat i on of t he pi pel i ne segment wi l l be shown t o t he Cont act or i n t he f i el d by t he Cont r act i ng Of f i cer . The t ype of pi pe t he Cont r act or may connect t o i s 24- i nch Duct i l e I r on Pi pe Si ze ( DI PS) Pol yet hyl ene ( PE) 4710 mat er i al wi t h a Di mensi on Rat i o ( DR) of 11 and a wei ght of 76. 229 pound per f oot . The aver age Out si de Di amet er ( OD) i s 25. 80 i nches and t he I nsi de Di amet er ( I D) i s 20. 828 i nches. The mi ni mum wal l t hi ckness i s 2. 345 i nches. See t he Appendi x at t ached af t er t he end of t hi s sect i on f or pi pe and connect i on i nf or mat i on. The pi pel i ne segment i s appr oxi mat el y 100 l i near f eet . The Cont r act or shal l pr ovi de al l t he necessar y equi pment f or oper at i ons wi t hi n t he DMPF t o di schar ge mat er i al at t he l ocat i on shown on t he dr awi ngs.

3. 4. 4 Pl aci ng of Dr edged Mat er i al

Dur i ng pl acement of dr edged mat er i al i n t he desi gnat ed di sposal ar eas, t he Cont r act or wi l l be r equi r ed t o pr ovi de const ant r adi o cont act bet ween t he dr edge and t he di sposal ar eas and conduct a mi ni mum of t wo i nspect i ons per day of pi pel i ne and di ke. Thi s wi l l enabl e t he Cont r act or ' s per sonnel at t he di sposal ar eas t o i mmedi at el y not i f y t he dr edge i n t he event of di ke or pi pel i ne f ai l ur e. I n t he event of di ke or pi pel i ne f ai l ur e, t he dr edgi ng oper at i ons shal l be i mmedi at el y suspended and r equi r e pr ompt r epai r of t he di ke or pi pel i ne as a pr er equi s i t e t o t he r esumpt i on of dr edgi ng. Dr edgi ng shal l not be r esumed unt i l t he necessar y di ke r epai r or pi pel i ne r epai r s have been compl et ed. The Cont r act or shal l i nf or m t he Cont r act i ng Of f i cer dai l y of condi t i ons of any pr obl ems associ at ed wi t h t he di kes, pi pel i ne, and di sposal ar ea di schar ge. The Cont r act or shal l i nf or m t he Cont r act i ng Of f i cer at what t i me t he pr obl ems wer e f ound and t i me when act i on was t aken t o cor r ect t he pr obl ems. Pl ant down t i me t o meet t he wat er qual i t y st andar ds or t o make di ke or pi pel i ne r epai r s wi l l be at no added cost t o t he Gover nment or a basi s f or t i me ext ensi on.

3. 4. 5 Dr edge Pi pel i nes

3. 4. 5. 1 Dr edge Di schar ge Pi pel i ne

The Cont r act or shal l pl ai nl y mar k t he pi pel i ne access r out es wi t h conspi cuous st akes, t ar get s and/ or buoys t o be mai nt ai ned t hr oughout t he cont r act oper at i ons. A t i ght dr edge di schar ge pi pel i ne shal l be mai nt ai ned t o pr event spi l l i ng of dr edged mat er i al or dr edge wat er out s i de of t he di sposal ar ea. The Cont r act or shal l pr ovi de and mai nt ai n r adi o communi cat i on bet ween t he dr edge and t he di sposal ar eas and t he dr edge and t he Cont r act i ng Of f i cer . The pi pel i ne shal l be i nspect ed at l east t wi ce dai l y f or l eaks. Fai l ur e t o i mmedi at el y r epai r l eaks i n t he di schar ge pi pel i ne wi l l r esul t i n suspensi on of dr edgi ng oper at i ons and r equi r e pr ompt r epai r of pi pel i ne as a pr er equi s i t e t o t he r esumpt i on of dr edgi ng.

Any damage t o pr i vat e or publ i c pr oper t y r esul t i ng f r om t he Cont r act or ' s oper at i ons shal l be r epai r ed by t he Cont r act or at hi s expense. At t he Dayson I s l and Di sposal ar ea, t he dr edge di schar ge pi pel i ne shal l not be pl aced on t he di sposal ar ea di ke cr est except at t he l ocat i on wher e i t cr osses t he di ke f or di sposal i nt o t he i nt er i or or t he Cont r act or may ut i l i ze t he Exi st i ng Dr edge Pi pe Segment descr i bed i n Sect i on " Exi st i ng

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Dr edge Pi pe Segment " above. The Cont r act or shal l pr ovi de an ear t hen r amp over t he dr edge pi pel i ne at t he cr ossover l ocat i on t o al l ow f or passage of vehi cul ar t r af f i c .

3. 4. 5. 2 Submer ged Pi pel i ne

I n t he event t he Cont r act or el ect s t o submer ge hi s pi pel i ne, t he pi pel i ne shal l r est on t he bot t om, and t he t op of t he submer ged pi pel i ne and any anchor secur i ng t he submer ged pi pel i ne shal l be no hi gher t han t he r equi r ed pr oj ect dept h f or t he channel i n whi ch t he submer ged pi pel i ne i s pl aced.

Shoul d t he Cont r act or el ect t o use a pi pel i ne mat er i al whi ch i s buoyant or semi - buoyant , such as PVC pi pe or s i mi l ar l ow densi t y mat er i al s, t he Cont r act or shal l secur el y anchor t he pi pel i ne t o pr event t he pi pel i ne f r om l i f t i ng of f t he bot t om under any condi t i ons. The Cont r act or shal l make dai l y i nspect i ons of t he submer ged pi pel i ne t o ensur e buoyancy has not l oosened t he anchor s nor l eaked any spoi l mat er i al . Any l eakage of mat er i al must be r epor t ed t o t he Cont r act i ng Of f i cer i mmedi at el y. The Cont r act or shal l r emove al l anchor s when t he submer ged pi pel i ne i s r emoved. The l ocat i on of t he ent i r e l engt h of submer ged pi pel i ne shal l be mar ked wi t h s i gns, buoys, l i ght s, and f l ags conf or mi ng t o U. S. Coast Guar d regulations.

3. 4. 5. 3 Fl oat i ng Pi pel i ne

Shoul d t he Cont r act or ' s pi pel i ne not r est on t he bot t om, i t wi l l be consi der ed a f l oat i ng pi pel i ne and shal l be v i s i bl e on t he sur f ace and cl ear l y mar ked. I n no case wi l l t he Cont r act or ' s pi pel i ne be al l owed t o f l uct uat e bet ween t he sur f ace and t he bot t om, or l i e par t l y submer ged.

Li ght s shal l be i nst al l ed on t he f l oat i ng pi pel i ne as r equi r ed i n par agr aph SI GNAL LI GHTS above. The l i ght s shal l be suppor t ed ei t her by buoys or by t empor ar y pi l i ng, pr ovi ded by t he Cont r act or and appr oved by t he Cont r act i ng Of f i cer . Wher e t he pi pel i ne does not cr oss a navi gabl e channel , t he f l ashi ng yel l ow al l - ar ound l i ght s shal l be spaced not over 200 f eet apar t , unl ess c l oser spaci ng i s r equi r ed by U. S. Coast Guar d per sonnel , i n whi ch case t he r equi r ement s of t he U. S. Coast Guar d shal l gover n, at no addi t i onal cost t o t he Gover nment .

3. 4. 6 Boost er Pumps

Any boost er pumps i nst al l ed by t he Cont r act or shal l be l ocat ed at l east 300 f eet f r om any r esi dent i al - t ype bui l di ng or house. Boost er pumps, t hei r pr i me mover s, and any auxi l i ar y equi pment shal l be f i t t ed or equi pped wi t h muf f l er s, noi se cont r ol encl osur es, or ot her engi neer i ng noi se cont r ol met hods, measur es, and f eat ur es such t hat st eady noi se emanat i ng f r om t hi s equi pment does not exceed 85 deci bel s on t he A scal e at s l ow r esponse, and i mpul s i ve noi se does not exceed 140 deci bel s. Such i t ems shal l be mai nt ai ned t hr oughout t he cour se of t he wor k.

3. 4. 7 Mi spl aced Mat er i al

Mat er i al s deposi t ed out s i de of t he desi gnat ed di sposal ar ea( s) wi l l be c l assi f i ed as mi spl aced mat er i al and wi l l r esul t i n a suspensi on of dr edgi ng oper at i ons. Redr edgi ng of such mat er i al s wi l l be r equi r ed as a pr er equi s i t e t o t he r esumpt i on of dr edgi ng unl ess t he Cont r act i ng Of f i cer , at hi s di scr et i on, det er mi nes t hat r edr edgi ng of such mat er i al i s not pr act i cal . I f r edr edgi ng of such mat er i al i s not r equi r ed t hen t he quant i t y of such mi spl aced mat er i al shal l be deduct ed f r om t he Cont r act or ' s pay quant i t y.

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3. 5 REQUI RED DEPTH, ALLOWABLE OVERDEPTH, AND SI DE SLOPES

3. 5. 1 Requi r ed Dept h

The mat er i al act ual l y r emoved f r om t he desi gnat ed ar eas t o be dr edged, t o a dept h of not mor e t han t he r equi r ed dept h shown on t he dr awi ngs, wi l l be est i mat ed and pai d f or i n accor dance wi t h t he pr ovi s i ons cont ai ned i n t he subpar agr aphs " Measur ement " and " Payment " of Sect i on 01 22 00 MEASUREMENT

AND PAYMENT.

3. 5. 2 Al l owabl e Over dept h

To cover t he 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 ar eas t o be dr edged, t o a dept h bel ow t he r equi r ed dept h of not mor e t han t he al l owabl e over dept h shown on t he dr awi ngs, wi l l be measur ed and pai d f or i n accor dance wi t h t he pr ovi s i ons cont ai ned i n t he subpar agr aphs " Measur ement " and " Payment " of Sect i on

01 22 00 MEASUREMENT AND PAYMENT.

3. 5. 3 Si de Sl opes

Al t hough dr edgi ng of s i de s l ope mat er i al may be necessar y t o pr ovi de t he r equi r ed pr oj ect channel di mensi ons ( dept h and wi dt h) , the al l s i de s l opes shown on t he dr awi ngs ar e pr ovi ded f or payment pur poses onl y. Si de s l opes may be f or med by box cut t i ng, st ep cut t i ng, or dr edgi ng al ong t he s i de s l ope. Mat er i al act ual l y r emoved, wi t hi n t he l i mi t s appr oved by t he Cont r act i ng Of f i cer , t o pr ovi de f or f i nal s i de s l opes not f l at t er t han t hat shown on t he cont r act dr awi ngs, but not i n excess of t he amount or i gi nal l y l y i ng above t hi s l i mi t i ng s i de s l ope, wi l l be measur ed and pai d f or i n accor dance wi t h t he pr ovi s i ons cont ai ned i n subpar agr aphs " Measur ement " and " Payment " of Sect i on 01 22 00 MEASUREMENT AND PAYMENT. Such amount wi l l be est i mat ed and pai d f or whet her dr edged i n or i gi nal posi t i on or by box cut dr edgi ng wher eby a space i s dr edged bel ow t he al l owabl e s i de s l ope pl ane on t he bot t om of t he s l ope f or upsl ope mat er i al capabl e of f al l i ng i nt o t he cut . End sl opes and t r ansi t i on s l opes wi l l not be est i mat ed or pai d f or under t hi s cont r act . I n such cases, a 0 hor i zont al on 1 ver t i cal wi l l be used wi t h no upsl ope al l owance pr ovi s i on appl i ed out s i de t he r equi r ed pr i sm.

3. 5. 4 Excessi ve Dr edgi ng

I t i s r ecogni zed t hat t he l i mi t s of dr edgi ng need t o ext end beyond t he pay pr i sm i n or der t o r emove mat er i al f r om wi t hi n t he pay pr i sm.

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