Amendment_0001_Revised_Specifications_and_Plans.pdf

Michigan City Harbor Dredging Fiscal Year 2019 W912P619B0005

AMD #0001

PROJECT TABLE OF CONTENTS

DIVISION 00 - PROCUREMENT & CONTRACTING REQUIREMENTS

00 10 00 SOLICITATION

00 21 00 INSTRUCTIONS

00 22 13 SUPPLEMENTARY INSTRUCTIONS TO BIDDERS

00 45 00 REPRESENTATIONS AND CERTIFICATIONS

00 70 00 CONDITIONS OF THE CONTRACT

00 73 00 SUPPLEMENTARY CONDITIONS

WAGE RATES

DIVISION 01 - GENERAL REQUIREMENTS

01 10 00 GENERAL PROVISIONS

01 11 00 SUMMARY OF WORK

01 22 00.00 10 PRICE AND PAYMENT PROCEDURE

01 33 00 SUBMITTAL PROCEDURES

01 35 26 GOVERNMENT SAFETY REQUIREMENTS

01 42 00 SOURCES FOR REFERENCE PUBLICATIONS

01 45 00.10 20 QUALITY CONTROL FOR MINOR CONSTRUCTION

01 45 00.15 10 RESIDENT MANAGEMENT SYSTEM CONTRACTOR MODE (RMS CM)

01 57 20.02 03 ENVIRONMENTAL PROTECTION FOR INDIANA

01 58 00 PROJECT IDENTIFICATION

DIVISION 35 – WATERWAY AND MARINE CONSTRUCTION

35 20 23 DREDGING

35 21 23.13 NATIONAL DREDGING QUALITY MANAGEMENT PROGRAM

SCOW – MONITORING PROFILE

-- End of Project Table of Contents –

Mi chi gan Ci t y Har bor Dr edgi ng FI scal Year 2019 W912P619B0005

SECTI ON TABLE OF CONTENTS

DI VI SI ON 01 - GENERAL REQUI REMENTS

SECTI ON 01 22 00. 00 10

PRI CE AND PAYMENT PROCEDURES

08/15

PART 1 GENERAL

1. 1 SI NGLE JOB PAYMENT I TEMS

1. 1. 1 MOBI LI ZATI ON ( Bi d I t em 0001AA)

1. 1. 1. 1 Payment

1. 1. 1. 2 Uni t of Measur e

1. 1. 2 DEMOBI LI ZATI ON ( Bi d I t em 0001AB)

1. 1. 2. 1 Payment

1. 1. 2. 2 Uni t of Measur e

1. 1. 3 PREPLACEMENT AND POSTPLACEMENT SURVEYS OF BEACH ( Bi d I t em

0001AD and Opt i onal Bi d I t ems 0002AB, 0003AB, 0004AB, 0005AB, 0006AB, 0007AB, 0008AB)

1. 1. 3. 1 Payment

1. 1. 3. 2 Uni t of Measur e

1. 1. 4 PERFORMANCE AND PAYMENT BONDS ( Bi d I t em 0001AE and Opt i onal Bi d

I t ems 0002AC, 0003AC, 0004AC, 0005AC, 0006AC, 0007AC, 0008AC)

1. 1. 4. 1 Payment

1. 1. 4. 2 Uni t of Measur e

1. 2 UNI T PRI CE PAYMENT I TEMS

1. 2. 1 MAI NTENANCE DREDGI NG AND DI SPOSAL ( Bi d I t em 0001AC and Opt i onal

Bi d I t ems 0002AA, 0003AA, 0004AA, 0005AA, 0006AA, 0007AA, 0008AA)

1. 2. 1. 1 Payment

1. 2. 1. 2 Measur ement

1. 2. 1. 3 Uni t of Measur e

PART 2 PRODUCTS ( NOT USED)

PART 3 EXECUTI ON

3. 1 CONTRACT COST BREAKDOWN

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

SECTI ON 01 22 00. 00 10 Page 1

AMD #0001 - 05/ 23/ 19

SECTI ON 01 22 00. 00 10

PRI CE AND PAYMENT PROCEDURES

08/15

PART 1 GENERAL

1. 1 SI NGLE JOB PAYMENT I TEMS

Payment i t ems f or t he wor k of t hi s cont r act f or whi ch cont r act j ob payment s wi l l be made ar e l i s t ed i n t he SCHEDULE and descr i bed bel ow. Al l cost s f or i t ems of wor k, whi ch ar e not speci f i cal l y ment i oned t o be i ncl uded i n a par t i cul ar j ob or uni t pr i ce payment i t em, ar e i nc l uded i n t he l i s t ed j ob i t em most c l osel y associ at ed wi t h t he wor k i nvol ved. The j ob pr i ce and payment made f or each i t em l i s t ed const i t ut es f ul l compensat i on f or f ur ni shi ng al l pl ant , l abor , mat er i al s, and equi pment , and per f or mi ng any associ at ed Cont r act or qual i t y cont r ol , envi r onment al pr ot ect i on, meet i ng saf et y r equi r ement s, t est s and r epor t s, and f or per f or mi ng al l wor k r equi r ed f or whi ch separ at e payment i s not ot her wi se pr ovi ded.

1. 1. 1 MOBI LI ZATI ON ( Bi d I t em 0001AA)

1. 1. 1. 1 Payment

Payment wi l l be made f or cost s associ at ed wi t h mobi l i zat i on, as def i ned i n Speci al Cl ause PAYMENT FOR MOBI LI ZATI ON AND DEMOBI LI ZATI ON. The cont r act or wi l l be compensat ed f or t he t ot al i t y of i t s act i v i t i es needed t o mobi l i ze i t s equi pment and l abor f or ce t o t he pr oj ect s i t e. The Gover nment wi l l pay al l cost s f or t he mobi l i zat i on of al l of t he Cont r act or ' s pl ant and equi pment at t he j ob pr i ce f or t hi s i t em. The Cont r act i ng Of f i cer Repr esent at i ve may r equi r e t he Cont r act or t o f ur ni sh cost dat a t o j ust i f y i t s bi d pr i ce f or t hi s i t em i f t he Cont r act i ng Of f i cer deems t her e i s no r easonabl e r el at i onshi p t o t he cost of t he wor k i n t hi s cont r act . Fai l ur e t o j ust i f y t he l i ne i t em pr i ce t o t he sat i sf act i on of t he Cont r act i ng Of f i cer wi l l r esul t i n payment det er mi ned by t he Cont r act i ng Of f i cer of t he act ual cost , whi ch i s not subj ect t o appeal .

1. 1. 1. 2 Uni t of Measur e

Uni t of measur e: JOB

1. 1. 2 DEMOBI LI ZATI ON ( Bi d I t em 0001AB)

1. 1. 2. 1 Payment

Payment wi l l be made f or cost s associ at ed wi t h demobi l i zat i on, as def i ned i n Speci al Cl ause PAYMENT FOR MOBI LI ZATI ON AND DEMOBI LI ZATI ON. The cont r act or wi l l be compensat ed f or t he t ot al i t y of i t s act i v i t i es needed t o demobi l i ze i t s equi pment and l abor f or ce t o t he pr oj ect s i t e. The Gover nment wi l l pay al l cost s f or t he demobi l i zat i on of al l of t he Cont r act or ' s pl ant and equi pment at t he j ob pr i ce f or t hi s i t em. The Cont r act i ng Of f i cer Repr esent at i ve may r equi r e t he Cont r act or t o f ur ni sh cost dat a t o j ust i f y i t s bi d pr i ce f or t hi s i t em i f t he Cont r act i ng Of f i cer deems t her e i s no r easonabl e r el at i onshi p t o t he cost of t he wor k i n t hi s cont r act . Fai l ur e t o j ust i f y t he l i ne i t em pr i ce t o t he sat i sf act i on of t he Cont r act i ng Of f i cer wi l l r esul t i n payment det er mi ned by t he

SECTI ON 01 22 00. 00 10 Page 2

Cont r act i ng Of f i cer of t he act ual cost , whi ch i s not subj ect t o appeal .

1. 1. 2. 2 Uni t of Measur e

Uni t of measur e: JOB

1. 1. 3 SCOW SI LENT I NSPECTOR ( Bi d I t em 0001AC and Opt i onal Bi d I t ems 0002AA, 0003AA, and 0004AA)

1. 1. 3. 1 Payment

Payment wi l l be made f or cost s associ at ed wi t h at t he cont r act pr i ce f or t he payment i t em " Si l ent I nspect or " and t he pr i ce must const i t ut e f ul l compensat i on f or al l l abor , equi pment , t ool s, and i nci dent al s necessar y t o i nst al l , oper at e and mai nt ai n t he syst em i ncl udi ng dat a t r ansmi ssi ons as speci f i ed i n Sect i on 35 21 23. 13 NATI ONAL DREDGI NG QUALI TY MANAGEMENT ( DQM) PROGRAM SCOW, Scow Tr acki ng Pr of i l e f or t he dur at i on of t he dr edgi ng oper at i ons i ncl udi ng Opt i on Bi d I t ems. Fi f t y per cent of t he JOB bi d must be f or pr ovi di ng t he necessar y equi pment and 50 per cent of t he amount bi d must be f or oper at i ng and mai nt ai ni ng t he syst em. Any down t i me due t o f aul t of t he Cont r act or or Cont r act or ' s equi pment wi l l be an amount det er mi ned by per cent age of t i me deduct ed f r om 50 per cent of t he bi d amount .

1. 1. 3. 2 Uni t of Measur e

Uni t of measur e: JOB

1. 1. 3 PREPLACEMENT AND POSTPLACEMENT SURVEYS OF BEACH ( Bi d I t em 0001AED and Opt i onal Bi d I t ems 0002ACB, 0003ACB, and 0004ACB, 0005AB, 0006AB, 0007AB, 0008AB)

1. 1. 3. 1 Payment

Payment wi l l be made f or t he pr epl acement and post pl acement sur vey of t he beach i n accor dance t o Sect i on 35 20 23 DREDGI NG. Payment f or t he f ence/ bar r i er r equi r ed at t he di sposal ar eas t o separ at e t he const r uct i on ar eas f r om t he beach shal l al so be pai d under t hi s bi d i t em.

1. 1. 3. 2 Uni t of Measur e

Uni t of measur e: JOB

1. 1. 4 PERFORMANCE AND PAYMENT BONDS ( Bi d I t em 0001AFE and Opt i onal Bi d I t ems 0002ADC, 0003ADC, 0004ADC, 0005AC, 0006AC, 0007AC, 0008AC)

1. 1. 4. 1 Payment

Payment wi l l be made f or t he per f or mance and payment bonds t hat ar e r equi r ed as par t of t hi s cont r act . The Gover nment wi l l pay t he act ual cost of t he bonds or t he Cont r act or ' s bi d pr i ce, whi chever i s l ess, af t er r ecei v i ng evi dence of payment ( pai d i nvoi ce) f r om t he bondi ng company or agency.

1. 1. 4. 2 Uni t of Measur e

Uni t of measur e: LOT

SECTI ON 01 22 00. 00 10 Page 3

1. 2 UNI T PRI CE PAYMENT I TEMS

Payment i t ems f or t he wor k of t hi s cont r act on whi ch t he cont r act uni t pr i ce payment s wi l l be made ar e l i s t ed i n t he SCHEDULE and descr i bed bel ow. The uni t pr i ce and payment made f or each i t em l i s t ed const i t ut es f ul l compensat i on f or f ur ni shi ng al l pl ant , l abor , mat er i al s, and equi pment , and per f or mi ng any associ at ed Cont r act or qual i t y cont r ol , envi r onment al pr ot ect i on, meet i ng saf et y r equi r ement s, t est s and r epor t s, and f or per f or mi ng al l wor k r equi r ed f or each of t he uni t pr i ce i t ems.

1. 2. 1 MAI NTENANCE DREDGI NG AND DI SPOSAL ( Bi d I t em 0001ADC and Opt i onal Bi d I t ems 0002ABA, 0003ABA, and 0004ABA, 0005AA, 0006AA, 0007AA, 0008AA)

1. 2. 1. 1 Payment

Payment f or dr edgi ng, handl i ng and di sposal of dr edged mat er i al s wi l l be made at t he cont r act uni t pr i ce per cubi c yar d as descr i bed i n Sect i on 35 20 23 DREDGI NG. Exi st i ng condi t i ons shown on t he dr awi ngs i ndi cat e condi t i ons at t he t i me of sur vey. Act ual condi t i ons may var y. Mont hl y par t i al payment s wi l l be based on appr oxi mat e quant i t i es det er mi ned by t he pr ogr ess payment quant i t y sur veys t aken by t he Cont r act or or ot her means accept abl e t o t he COR. ( See Par agr aph " Pr i or , Af t er , and Quant i t y Sur veys" of Sect i on 01 10 00 GENERAL PROVI SI ONS) .

1. 2. 1. 2 Measurement

The Cont r act or must , i n t he pr esence of t he COR, t ake soundi ngs af t er dr edgi ng t o conf i r m t hat t he pr oposed dr edgi ng dept hs have been compl et ed.

Per f or m sur vey i n accor dance t o Sect i on 35 20 23 DREDGI NG. The pr ogr am and met hods f or cal cul at i ng quant i t i es f or pr ogr ess payment s must be submi t t ed i n t he dr edgi ng pl ans and agr eed t o pr i or t o pr e- dr edgi ng sur vey by t he Contractor.

1. 2. 1. 3 Uni t of Measur e

Uni t of measur e: Cubi c Yar d ( CY)

PART 2 PRODUCTS ( NOT USED)

PART 3 EXECUTI ON

3. 1 CONTRACT COST BREAKDOWN

The Cont r act or must f ur ni sh wi t hi n 30 cal endar days af t er t he dat e of Not i ce t o Pr oceed, and pr i or t o t he submi ssi on of i t s f i r st par t i al payment est i mat e, a br eakdown of i t s s i ngl e j ob pay i t em or i t ems whi ch wi l l be r evi ewed by t he Cont r act i ng Of f i cer as t o pr opr i et y of di st r i but i on of t he t ot al cost t o t he var i ous account s. Any unbal anced i t ems as bet ween ear l y and l at e payment i t ems or ot her di scr epanci es wi l l be r evi sed by t he Cont r act i ng Of f i cer t o agr ee wi t h a r easonabl e cost of t he wor k i nc l uded i n t he var i ous i t ems. Thi s cont r act cost br eakdown wi l l t hen be ut i l i zed as t he basi s f or pr ogr ess payment s t o t he Cont r act or .

- - End of Sect i on - -

SECTI ON 01 22 00. 00 10 Page 4

SECTI ON TABLE OF CONTENTS

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

SECTI ON 35 20 23

DREDGING

01/19

PART 1 GENERAL

1. 1 SCOPE

1. 2 DEFI NI TI ONS

1. 2. 1 Har d Mat er i al

1. 2. 2 Dr edgi ng Li mi t s

1. 2. 3 Requi r ed Dr edgi ng Pr i sm Dept h

1. 2. 4 Requi r ed Dr edgi ng Pr i sm Li ne

1. 2. 5 Requi r ed Dr edgi ng Pr i sm

1. 2. 6 Al l owabl e Dr edgi ng Pr i sm Li ne

1. 2. 7 Al l owabl e Dr edgi ng Pr i sm Dept h

1. 2. 8 Al l owabl e Dr edgi ng Pr i sm

1. 3 REFERENCES

1. 4 SUBMI TTALS

1. 5 MATERI AL TO BE REMOVED

1. 5. 1 Har d Mat er i al

1. 6 SOUNDI NG EQUI PMENT DESCRI PTI ON AND CALI BRATI ON DATA

1. 7 UTI LI TY PLAN

1. 8 DREDGI NG DEPTH

1. 9 DREDGI NG, CONVEYANCE AND PLACEMENT PLAN

1. 10 DAI LY REPORT OF DREDGI NG OPERATI ONS

1. 11 DI SPOSAL AREA CONDI TI ONS

1. 12 DELI VERY OF PLANT AND ORDER OF WORK

1. 13 HOURS OF OPERATI ON

1. 14 ARTI FI CI AL OBSTRUCTI ONS

1. 15 SHOAL REMOVAL

1. 16 SOUNDI NGS

1. 17 VOLUME CALCULATI ONS

1. 18 MONTHLY PARTI AL PAYMENTS

1. 19 CONTI NUI TY OF WORK

1. 20 ALLOWABLE PAY OVERDEPTH AND SI DESLOPES

1. 20. 1 Over dept h Dr edgi ng

1. 20. 2 Si desl opes

1. 20. 3 Excessi ve Dr edgi ng

1. 21 PERMI TS

1. 21. 1 NI PSCO Road Access Li cense Agr eement

1. 22 BASI S FOR BI DS

PART 2 PRODUCTS

2. 1 DREDGI NG EQUI PMENT

2. 1. 1 Hydr aul i c Equi pment

2. 2 OTHER EQUI PMENT

PART 3 EXECUTI ON

SECTI ON 35 20 23 Page 1

3. 1 DELI VERY OF PLANT

3. 2 DREDGI NG

3. 2. 1 Hydr aul i c Dr edgi ng

3. 3 OBSTRUCTI ONS

3. 4 I NSPECTI ON

3. 5 CONDUCT OF DREDGI NG WORK

3. 5. 1 Or der of Wor k

3. 5. 1. 1 I nt er f er ence wi t h Navi gat i on

3. 5. 1. 2 Dr edgi ng Si t es

3. 5. 2 Li ght s

3. 5. 3 Ranges, Gages, and Li nes

3. 5. 4 Pl ant

3. 5. 5 Di sposal of Dr edged Mat er i al

3. 5. 5. 1 Met hod of Di sposal

3. 5. 5. 2 Di sposal i n I ndi cat ed Di sposal Ar eas

3. 5. 5. 3 Mi spl aced Mat er i al

3. 5. 6 Condi t i on of Pi pel i nes

3. 5. 7 Navi gat i on War ni ngs

3. 5. 8 Met hod of Communi cat i on

3. 5. 9 Sal vaged Mat er i al

3. 5. 10 Saf et y of St r uct ur es

3. 5. 11 Pl ant Removal

3. 6 PREPLACEMENT AND POSTPLACEMENT SURVEYS

3. 6. 1 Pr epl acement Sur veys of Beach

3. 6. 2 Post pl acement Sur veys of Beach

3. 7 CONTRACTOR QUALI TY CONTROL

3. 8 GOVERNMENT I NSPECTI ON

3. 8. 1 Gauge Mai nt enance

3. 8. 2 Faci l i t i es

3. 8. 3 Tr anspor t at i on

3. 8. 4 Compl i ance

3. 9 MEASUREMENT

3. 9. 1 Met hod of Measur ement

3. 9. 2 Gover nment Ut i l i zat i on of Mul t i - beam and Si ngl e Beam Sounder s f or Quant i t y and Cl ear ance Sur veys

3. 10 FI NAL EXAMI NATI ON AND ACCEPTANCE

3. 10. 1 Exami nat i on

3. 10. 2 Accept ance

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

SECTI ON 35 20 23 Page 2

SECTI ON 35 20 23

DREDGING

01/19

PART 1 GENERAL

1. 1 SCOPE

The wor k cover ed under t hi s sect i on i ncl udes f ur ni shi ng al l pl ant , l abor , and equi pment , r equi r ed f or dr edgi ng. Thi s sect i on al so cover s t r anspor t at i on and di sposal of al l dr edged mat er i al s f r om Mi chi gan Ci t y Har bor Appr oach Channel and Out er Har bor t o t he pr oposed dept hs, el evat i ons, and si de s l opes shown on t he dr awi ngs. The dr edged mat er i al shal l be t r anspor t ed and deposi t ed i n t he speci f i ed ar eas shown on t he dr awi ngs. See Sect i on 01 57 20. 02 03 ENVI RONMENTAL PROTECTI ON FOR I NDI ANA f or per mi t and St or mwat er Pol l ut i on Pr event i on Pl an r equi r ement s.

1. 2 DEFINITIONS

1. 2. 1 Har d Mat er i al

Har d mat er i al i s def i ned as mat er i al r equi r i ng t he use of speci al equi pment f or economi cal r emoval , and i ncl udes boul der s or f r agment s t oo l ar ge t o be r emoved i n one pi ece by t he dr edge.

1. 2. 2 Dr edgi ng Li mi t s

The dr edgi ng l i mi t s ar e shown on t he dr awi ngs. As r equi r ed, t hese l i mi t s may be adj ust ed when t he pr e- dr edge soundi ngs ar e conduct ed.

1. 2. 3 Requi r ed Dr edgi ng Pr i sm Dept h

Synonymous wi t h dr edgi ng dept h.

1. 2. 4 Requi r ed Dr edgi ng Pr i sm Li ne

Synonymous wi t h dr edgi ng dept h wi t h s i de and end s l opes of 1 ver t i cal on 2 horizontal.

1. 2. 5 Requi r ed Dr edgi ng Pr i sm

Al l mat er i al s l y i ng wi t hi n t he dr edgi ng l i mi t s and bet ween t he exi st i ng bot t om sur f ace and t he r equi r ed dr edgi ng pr i sm l i ne.

1. 2. 6 Al l owabl e Dr edgi ng Pr i sm Li ne

1 f oot bel ow t he r equi r ed dr edgi ng pr i sm l i ne wi t h 1 ver t i cal on 2 hor i zont al s i de and end sl opes.

1. 2. 7 Al l owabl e Dr edgi ng Pr i sm Dept h

Synonymous wi t h al l owabl e dr edgi ng pr i sm l i ne.

1. 2. 8 Al l owabl e Dr edgi ng Pr i sm

Al l owabl e dr edgi ng pr i sm i s def i ned as t he vol ume of mat er i al bet ween t he

SECTI ON 35 20 23 Page 3 r equi r ed dr edgi ng pr i sm and t he al l owabl e dr edgi ng pr i sm l i ne. Ther e i s a one 1 f oot al l owabl e dr edgi ng pr i sm di r ect l y bel ow t he r equi r ed dr edgi ng pr i sm f or ar eas wi t hi n t he speci f i ed wor k l i mi t s t hat have mat er i al above t he dr edgi ng dept h. Ar eas wi t h no r equi r ed dr edgi ng do not have an al l owabl e dr edgi ng pr i sm.

1. 3 REFERENCES

The f ol l owi ng publ i cat i ons of i ssues 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 1110- 2- 1003 ( 2013) Engi neer i ng and Desi gn - - Hydr ogr aphi c Sur veyi ng Manual

1. 4 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 . Submi t t he f ol l owi ng 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

Soundi ng Equi pment Descr i pt i on and Cal i br at i on Dat a

Ot her Equi pment

Ut i l i t y Pl an; G, CS

Dr edgi ng, Conveyance and Pl acement Pl an; G, CS

Dr edgi ng Pl acement Saf et y Pl an; G, CS

Not i ce Of St ar t Of Dr edgi ng; G, CS

SD- 02 Shop Dr awi ngs

Pr epl acement Sur veys; G, CS

Post pl acement Sur veys; G, CS

SD- 03 Pr oduct Dat a

Dr edgi ng Equi pment ; G, CS

SD- 06 Test Repor t s

Dai l y Repor t of Dr edgi ng Oper at i ons; G, CS

Soundings ; G, CS

SD- 11 Cl oseout Submi t t al s

Mat er i al Di sposal Recor ds

SECTI ON 35 20 23 Page 4

1. 5 MATERI AL TO BE REMOVED

The mat er i al t o be r emoved i s s i l t , f i ne sands and mud.

1. 5. 1 Har d Mat er i al

The r emoval of har d mat er i al i s not i ncl uded. Shoul d t he Gover nment di r ect i n wr i t i ng t hat har d mat er i al be r emoved, t he wor k shal l be per f or med and an adj ust ment i n t he cont r act pr i ce or t i me f or compl et i on, or bot h, wi l l be made i n accor dance wi t h FAR 52. 236- 2 Di f f er i ng Si t e Condi t i ons. I f har d mat er i al i s t o be r emoved, bl ast i ng wi l l not be per mi t t ed.

1. 6 SOUNDI NG EQUI PMENT DESCRI PTI ON AND CALI BRATI ON DATA

Ver i f i cat i on t hat t he Cont r act or ' s soundi ng equi pment has been cal i br at ed t o cor r espond wi t h t he Gover nment ' s Hydr ogr aphi c Sur veyi ng Manual EM 1110- 2- 1003, soundi ng equi pment shal l be submi t t ed pr i or t o commenci ng wor k. Submi t t he descr i pt i on of t he Cont r act or ' s soundi ng equi pment and t r ansducer f r equency pr i or t o commenci ng wor k.

1. 7 UTI LI TY PLAN

Gener al l ocat i ons of appl i cabl e exi st i ng ut i l i t i es based upon l at est i nf or mat i on avai l abl e t o t he Gover nment ar e shown on t he dr awi ngs.

However , i t i s t he Cont r act or ' s obl i gat i on t o est abl i sh t he exact hor i zont al and ver t i cal l ocat i on and si ze of al l exi st i ng ut i l i t y l i nes whi ch ar e l ocat ed wi t hi n t he r equi r ed wor k ar ea. The Cont r act or shal l submi t a ut i l i t y l ocat i ng pl an f or l ocat i ng exi t i ng ut i l i t i es and a copy of i t s ut i l i t y l ocat i on f i ndi ngs pr i or t o commenci ng wor k on t he s i t e. Any ut i l i t y l i nes whi ch ar e not f ound by t he Cont r act or , but whi ch ar e known t o exi st a t he pr oj ect s i t e, shal l 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 i ng Of f i cer wi l l have t he opt i on of di r ect i ng commencement of wor k at t he s i t e or r equi r i ng t he Cont r act or t o submi t f ur t her pl ans f or l ocat i ng t he ut i l i t y l i nes. I f t he Cont r act or damages any exi st i ng ut i l i t y l i ne, a r epor t t her eof shal l be made i mmedi at el y t o t he Cont r act i ng Of f i cer . I n any event , exi st i ng ut i l i t y l i nes, shal l be pr ot ect ed f r om damage, and i f damaged, shal l be r epai r ed by t he Cont r act or at i t s own expense.

1. 8 DREDGI NG DEPTH

The dr edgi ng dept h i s mi nus 14 Low Wat er Dat um ( LWD) i n t he Mi chi gan Har bor Appr oach Channel . Al l l ocat i ons f or t hi s cont r act ar e l ocat ed at t he Mi chi gan Ci t y Har bor . Ref er t o dr awi ngs f or exact l ocat i ons. The Cont r act or i s not expect ed t o dr edge t o dept h any ar eas of har d c l ay or r ock encount er ed above t he dr edgi ng dept h, but shoul d not i f y t he Cor ps of t he l ocat i ons of t hese ar eas.

1. 9 DREDGI NG, CONVEYANCE AND PLACEMENT PLAN

Pr i or t o br i ngi ng equi pment t o t he pr oj ect s i t e, submi t a Dr edgi ng, Conveyance and Pl acement Pl an ( DCPP) no l at er t han 30 cal endar days pr i or t o t he st ar t of dr edgi ng. The DCPP must i ncl ude but not be l i mi t ed t o t he equi pment ( e. g. , submer ged pi pel i ne) t o be used f or dr edgi ng. and t he met hods of l oadi ng t he bar ge or scow. The DCPP must i ncl ude Best Management Pr act i ces ( BMPs) f or mi ni mi zi ng t he r esuspensi on of sedi ment .

The DCPP shal l i ncl ude t he conveyance and pl acement oper at i ons. The DCPP shal l speci f i cal l y addr ess how spi l l age of dr edged mat er i al s wi l l be pr event ed i ncl udi ng met hods of cont ai ni ng and capt ur i ng any spi l l age dur i ng

SECTI ON 35 20 23 Page 5 t r anspor t , r ehandl i ng, and di sposal .

1. 10 DAI LY REPORT OF DREDGI NG OPERATI ONS

Repor t of Oper at i ons f or ms ( ENG FORM 4267 or ENG FORM 27A) , as appr opr i at e t o t he t ype of wor k bei ng per f or med, ar e i n Qual i t y Cont r ol Syst em/ Resi dent Management Syst em ( QCS/ RMS) and shal l be compl et ed and f ur ni shed dai l y.

Each r epor t shal l cont ai n i n t he " REMARKS" space at t est i ng t hat no over f l ow or di schar ge occur r ed f r om t he dr edgi ng vessel ( s) whi l e dr edgi ng and whi l e i n t r ansi t f r om t he dr edgi ng ar ea t o t he unl oadi ng ar ea. I n t he event an over f l ow or di schar ge occur s whi l e dr edgi ng or whi l e i n t r ansi t , an or al not i f i cat i on shal l be made, and compl et e wr i t t en r epor t on t he i nci dent shal l be made t o t he Cont r act i ng Of f i cer i n shor t est possi bl e t i me. When appr opr i at e qual i t y cont r ol compl i ance i nspect i ons may be r epor t ed under t he " REMARKS" i t em on t he f or m i n RMS.

1. 11 DI SPOSAL AREA CONDI TI ONS

The l i mi t s of t he di sposal ar ea ar e shown i n t he dr awi ngs. Dr edged mat er i al s pl aced out s i de of t he l i mi t s of t he di sposal ar ea shal l be r emoved at no addi t i onal cost t o t he Gover nment and deposi t ed wi t hi n t he ar ea appr oved f or di sposal of dr edged mat er i al s.

1. 12 DELI VERY OF PLANT AND ORDER OF WORK

Pr i or t o br i ngi ng equi pment t o t he pr oj ect s i t e, t he cont r act or shal l submi t a DCPP descr i bi ng i n det ai l how i t pl ans t o accompl i sh t he wor k wi t hi n t he r equi r ed per i od of per f or mance.

1. 13 HOURS OF OPERATI ON

Oper at i on of t he dr edge i s al l owed at any t i me 24 hour s a day pr ovi ded t hat al l saf et y r equi r ement s and noi se emi ssi on st andar ds ar e met . Dr edgi ng oper at i ons shal l not occur f r om 31 Jul y 2019 t hr ough 4 August 2019 i n accor dance wi t h t he l ocal por t aut hor i t y.

1. 14 ARTI FI CI AL OBSTRUCTI ONS

The Gover nment has no knowl edge of exi st i ng wr ecks, wr eckage, or ot her mat er i al of such s i ze or char act er as t o r equi r e t he use of expl osi ves or speci al or addi t i onal pl ant f or i t s economi cal r emoval . Pr i or t o dr edgi ng, t he Cont r act or shal l r ake t he dr edge ar eas and shal l r emove debr i s encount er ed. Debr i s r emoved f r om t he dr edged ar ea shal l be r emoved f r om t he wat er . Di sposal shal l be t he r esponsi bi l i t y of t he Cont r act or and di sposal shal l be out s i de t he l i mi t s of gover nment pr oper t y. I n case t he act ual condi t i ons di f f er f r om t hose st at ed or shown, or bot h, an adj ust ment i n cont r act pr i ce or t i me of compl et i on, or bot h, wi l l be made i n accor dance wi t h FAR 52. 236- 2 Di f f er i ng Si t e Condi t i ons.

1. 15 SHOAL REMOVAL

I f , bef or e t he wor k i s compl et ed, shoal i ng occur s i n any sect i on pr evi ousl y accept ed by t he Gover nment , i ncl udi ng shoal i ng i n t he f i ni shed channel , because of t he nat ur al l ower i ng of t he s i de s l opes or ot her nat ur al causes, r edr edgi ng at t he Cont r act uni t pr i ce, wi t hi n t he l i mi t of avai l abl e f unds, may be per f or med i f agr eed upon by bot h t he Cont r act or and t he Cont r act i ng Officer.

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1. 16 SOUNDINGS

The dr awi ngs r epr esent t he condi t i ons exi st i ng at t he t i me of sur vey.

Det er mi nat i on of quant i t i es r emoved wi l l be made f r om pr i or and af t er dr edgi ng soundi ngs t aken by t he gGover nment . Cal cul at i ons wi l l be made based on t he bef or e and af t er sur vey dat a and wi l l be used t o det er mi ne t he quant i t i y of i n- pl ace sedi ment r emoved. Af t er t he Gover nment has made a det er mi nat i on of t he quant i t i es t o be pai d, i t wi l l not r eopen except on evi dence of col l usi on, f r aud, or obvi ous er r or .

1. 17 VOLUME CALCULATI ONS

Al l pl ot s of soundi ngs pr ovi ded t o t he Cont r act or dur i ng admi ni st r at i on of t hi s cont r act shal l be a gr aphi cal r epr esent at i on onl y and shal l NOT be used f or vol ume cal cul at i ons. Al l sur vey dat a used f or vol ume comput at i ons shal l be avai l abl e t o t he Cont r act or upon r equest .

Sur veys shal l ext end a mi ni mum of 150 f eet or t hr ee cr oss sect i ons upst r eam and downst r eam of t he def i ned pr oj ect ar ea wher e al l owabl e. The ext ended sur vey out s i de t he pr oj ect ar ea wi l l be used t o cal cul at e t he possi bl e amount of i nf i l l mat er i al or shoal i ng t hat coul d occur f r om ar eas out s i de of t he cont r act ar ea. I nf i l l and/ or Shoal i ng i s speci f i ed i n t he Par agr aph ent i t l ed “ SHOAL REMOVAL” .

1. 18 MONTHLY PARTI AL PAYMENTS

Mont hl y par t i al payment s wi l l be based on quant i t i es det er mi ned by dai l y soundi ngs t aken by t he Cont r act or or ot her means accept abl e t o t he Cont r act i ng Of f i cer . ( See CLAUSE 52. 236- 16 ent i t l ed, " QUANTI TY SURVEYS" . ) Soundi ng sur veys f or par t i al payment shal l be conduct ed i n t he same manner speci f i ed i n t he Par agr aph ent i t l ed " PRI OR, AFTER, AND QUANTI TY SURVEYS" i n sect i on 01 10 00, unl ess ot her wi se aut hor i zed or di r ect ed.

1. 19 CONTI NUI TY OF WORK

Mont hl y par t i al payment s wi l l be made f or wor k per f or med pr i or t o f i nal exami nat i on and accept ance. However , as f i nal dr edgi ng i s bei ng per f or med f or f i nal exami nat i on and accept ance, no payment wi l l be made f or such f i nal dr edgi ng wor k per f or med i n any ar ea unt i l t he dept h r equi r ed under t he cont r act i s secur ed i n t he whol e of such ar ea, unl ess pr event ed by l edge r ock, or i gi nal mat er i al , or ot her obst r uct i ons, whi ch cannot be r emoved by t he pl ant speci f i ed i n t he accept ed bi d, or t he equi val ent of such pl ant , wi t hout bl ast i ng or speci al appar at us. No payment wi l l be made f or f i nal excavat i on i n any 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 nonadj acent ar ea i s excavat ed t o f ul l dept h dur i ng t he day t o day oper at i ons car r i ed on under t he cont r act , payment f or al l 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 secur ed i n t he ar ea i nt er veni ng.

1. 20 ALLOWABLE PAY OVERDEPTH AND SI DESLOPES

The t ot al est i mat ed dr edgi ng quant i t y shown on t he Pr i ce Schedul e i ncl udes onl y t he r equi r ed dept h mat er i al , not t he al l owabl e over dept h mat er i al and al l owabl e s i desl ope mat er i al . The al l owabl e pay over dept h quant i t y i s comput ed f or t he al l owabl e over dept h pr i sm i mmedi at el y bel ow t he mat er i al r equi r ed t o be dr edged.

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1. 20. 1 Over dept h Dr edgi ng

To cover i naccur aci es of t he dr edgi ng pr ocess, mat er i al s act ual l y r emoved f r om wi t hi n t he channel l i nes t o a dept h of not mor e t han one f oot bel ow t he r equi r ed dr edgi ng pr i sm l i ne wi l l be measur ed and pai d f or at t he cont r act uni t pr i ce. However , t he maxi mum quant i t y of over dept h mat er i al s t o be pai d f or wi l l be equi val ent t o t hat quant i t y pr esent wi t hi n t he one foot over dept h pr i sm i mmedi at el y bel ow t he r equi r ed mat er i al s t o be r emoved as det er mi ned f r om t he pr i or t o dr edgi ng soundi ngs. Any dr edgi ng bel ow t he allowed one f oot wi l l be consi der ed as excessi ve dr edgi ng.

1. 20. 2 Sideslopes

Mat er i al s act ual l y r emoved, wi t hi n l i mi t s shown on t he dr awi ngs, t o pr ovi de f or f i nal s i de s l opes not f l at t er t han one ver t i cal on t wo hor i zont al , per pendi cul ar t o t he channel l i ne or dr edge l i mi t l i ne, whi chever i s appl i cabl e, but not i n excess of t he amount or i gi nal l y l y i ng bel ow t he s i de s l ope al l owabl e dr edgi ng pr i sm l i ne wi l l be cal cul at ed and pai d f or . The pr ovi s i ons of t hi s Subpar agr aph al so appl y t o end sl opes at t he upst r eam and downst r eam dr edgi ng l i mi t s of t he channel .

1. 20. 3 Excessi ve Dr edgi ng

Any mat er i al r emoved bel ow t he over dept h al l owance wi l l be consi der ed excessi ve dr edgi ng and wi l l not be pai d f or . Mat er i al s t aken f r om beyond t he l i mi t s speci f i ed i n Subpar agr aphs " Al l owabl e Pay Over dept h" and " Si de Sl opes" , wi l l be excl uded f r om t he comput ed t ot al amount dr edged as excessi ve channel dr edgi ng or excessi ve s i de s l ope dr edgi ng and f or whi ch payment wi l l not be made. The f i nal det er mi nat i on of t he amount s of excessi ve dr edgi ng wi l l be based whol l y on t he sur veys made f or f i nal exami nat i on and accept ance. See Par agr aph ent i t l ed " FI NAL EXAMI NATI ON AND

ACCEPTANCE".

1. 21 PERMITS

The Cont r act or shal l compl y wi t h condi t i ons and r equi r ement s of t he Cor ps of Engi neer s Per mi t s and r eal est at e i nst r ument s, and ot her St at e or Feder al per mi t t i ng r equi r ement s. Per mi t s and r eal est at e i nst r ument s f or dr edgi ng and di sposal of mat er i al ar e at t ached as i ndi cat ed. The Cont r act or i s r esponsi bl e f or obt ai ni ng any addi t i onal per mi t s as necessar y t o per f or m t he wor k.

1. 21. 1 NI PSCO Road Access Li cense Agr eement

Ther e i s an agr eement est abl i shed bet ween Nor t her n I ndi ana Publ i c Ser vi ce Company( NI PSCO) and t he Gover nment whi ch al l ows f or t he Cont r act or t o ut i l i ze an access r oad t hr ough NI PSCO pr oper t y. The r oad pr ovi des access t o t he beach si t e near Mt . Bal dy wher e pl acement of dr edged sedi ment i s r equi r ed. The Cont r act or shal l adher e t o t he Road Access Li cense Agr eement at t ached at t he end of t hi s sect i on.

1. 22 BASI S FOR BI DS

Base bi ds on t he quant i t y of dr edgi ng i ndi cat ed. Shoul d t he t ot al quant i t y of dr edgi ng var y 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 FAR 52. 243- 4 Changes. The dr edgi ng 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

SECTI ON 35 20 23 Page 8 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 .

PART 2 PRODUCTS

2. 1 DREDGI NG EQUI PMENT

Dr edgi ng shal l be accompl i shed hydr aul i cal l y . Equi pment ( s) used f or dr edgi ng, t r anspor t and deposi t i on of mat er i al shal l be pr ovi ded by t he Cont r act or . Hydr osur vey capabi l i t y usi ng el ect r oni c posi t i oni ng and soundi ng equi pment must be used whi l e meet i ng t he r equi r ement s, Par agr aph " Pr i or , Af t er , and Quant i t y Sur vey" of Sect i on 01 10 00 and i n accor dance to EM 1110- 2- 1003.

2. 1. 1 Hydr aul i c Equi pment

The hydr aul i c dr edgi ng equi pment shal l be of a s i ze suf f i c i ent t o meet t he r equi r ement s of t he wor k and shal l be kept i n ef f i c i ent wor ki ng condi t i on at al l t i mes. The t r anspor t equi pment shal l be capabl e of t r anspor t i ng t he dr edged mat er i al by pi pel i ne wi t h or wi t hout a pump st at i on t o t he di sposal s i t e as shown on dr awi ngs. The Bi d must be based on pr ovi di ng equi pment capabl e of meet i ng t hi s r equi r ement .

2. 2 OTHER EQUI PMENT

Pr ovi de al l ot her equi pment , oper at or s, l abor , mat er i al s, f uel and i nci dent al s necessar y t o compl et e al l mobi l i zat i on, mechani cal dr edgi ng, and demobi l i zat i on t o compl et e t hi s pr oj ect .

Submi t al l ot her equi pment speci f i cat i ons and oper at i ng par amet er s f or r evi ew and appr oval by t he Cont r act i ng Of f i cer pr i or t o Mobi l i zat i on. No addi t i onal compensat i on shal l be consi der ed i f al t er nat i ve equi pment i s allowed.

PART 3 EXECUTI ON

3. 1 DELI VERY OF PLANT

Unl ess ot her wi se di r ect ed by t he COR, t he Cont r act or shal l per f or m t he r equi r ed wor k, mobi l i ze and demobi l i ze or move t he dr edgi ng pl ant and equi pment as necessar y t o meet al l owabl e dr edgi ng per i ods speci f i ed i n Cl ause 1. 1, " COMMENCEMENT, PROSECUTI ON AND COMPLETI ON OF WORK" of Sect i on 00800. The Cont r act or shal l coor di nat e wi t h t he Por t Aut hor i t y ( see cont act i nf or mat i on bel ow) an appr opr i at e l ocat i on f or wor ker ' s vehi c l e par ki ng ar ea and dr edge/ bar ge access dock. Al l cost s associ at ed wi t h t he devel opment , mai nt enance, secur i t y, r emoval and cl ean- up of t hi s par ki ng/ moor i ng ar ea shal l be consi der ed i nci dent al t o t he MOBI LI ZATI ON work.

Mi chi gan Ci t y Por t Aut hor i t y Poi nt of Cont act : Ti m Fr ame Tel #: 219- 872- 1712

3. 2 DREDGING

Four t een cal endar days pr i or t o any dr edgi ng wor k bei ng per f or med t he cont r act or shal l pr ovi de wr i t t en not i ce of st ar t of dr edgi ng t o t he

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Cont r act i ng Of f i cer so t hat t he Gover nment can schedul e and per f or m pr i or soundi ngs. The Cont r act or shal l per f or m al l dr edgi ng wor k t o r emove mat er i al t o t he r equi r ed dept hs wi t hi n t he l i mi t s shown on t he dr awi ngs as speci f i ed. Any mat er i al s i n t he al l owabl e over dept h pr i sm and al l owabl e s i de s l opes ar e not r equi r ed t o be r emoved. Rocks, cobbl es ( t hr ee i nches to 12 i nches) and boul der s ( over 12 i nch) may be encount er ed near br eakwat er s, r evet ment s and pi er heads and shal l not be r emoved i f t hey ar e par t of t he har bor st r uct ur es nor shal l t oe st ones be under mi ned.

I ndi cat ed r equi r ed dr edgi ng ar eas wi t hi n r equi r ed downst r eam and upst r eam dr edgi ng l i mi t s wi l l be r evi sed by t he Gover nment , af t er obt ai ni ng t he bef or e ( pr i or t o) dr edgi ng soundi ngs. The Cont r act or may be r equi r ed t o suspend dr edgi ng at any t i me when f or any r eason t he gauges or r anges cannot be seen or pr oper l y f ol l owed.

3. 2. 1 Hydr aul i c Dr edgi ng

Mat er i al excavat ed f r om t he l ake bot t om shal l be t r anspor t ed by submer ged pi pel i ne i n s l ur r y f or m t o t he di sposal s i t e wi t hout t he use of r e- handl i ng basi ns. Al l pi pel i nes shal l be kept i n good condi t i on at al l t i mes, and any l eaks or br eaks al ong t hei r l engt h shal l be pr ompt l y and pr oper l y r epai r ed. I f auxi l i ar y boost er pump st at i ons ar e r equi r ed, t hey shal l be bar ge- mount ed and anchor ed at l ocat i ons accept abl e t o t he Cont r act i ng Officer.

3. 3 OBSTRUCTIONS

Shoul d or i gi nal mat er i al , l edge r ock, boul der s, cobbl es, r ock f r agment s, wr ecks, scr ap mat er i al s, snags, st umps, pi l es, debr i s or ot her mat er i al be encount er ed whi ch cannot be r emoved by t he pl ant speci f i ed i n t he accept ed bi d, or equi val ent pl ant , wi t hout bl ast i ng or speci al appar at us, t he Cont r act or shal l r emove t her ef r om al l over l y i ng mat er i al wi t hi n t he r equi r ed dr edgi ng pr i sm whi ch i n t he j udgment of t he Cont r act i ng Of f i cer can be r emoved by t he use of t he pl ant speci f i ed i n t he accept ed bi d or equi val ent pl ant .

3. 4 INSPECTION

I nspect t he wor k, keep r ecor ds of wor k per f or med, and ensur e t hat gages, t ar get s, r anges, and ot her mar ker s ar e i n pl ace and usabl e f or t he i nt ended pur pose. Fur ni sh, at t he r equest of t he Cont r act i ng Of f i cer , boat s, boat men, l abor er s, and mat er i al s necessar y f or i nspect i ng, super vi s i ng, and sur veyi ng t he wor k. When r equi r ed, pr ovi de t r anspor t at i on f or t he Cont r act i ng Of f i cer and i nspect or s t o and f r om t he di sposal ar ea and bet ween t he dr edgi ng pl ant and adj acent poi nt s on shor e.

3. 5 CONDUCT OF DREDGI NG WORK

3. 5. 1 Or der of Wor k

The Cont r act i ng Of f i cer wi l l di r ect t he Cont r act or on t he or der of wor k.

The Gover nment r eser ves t he r i ght t o change t he or der of wor k at any t i me.

3. 5. 1. 1 I nt er f er ence wi t h Navi gat i on

Mi ni mi ze i nt er f er ence wi t h t he use of channel s and passages. The Cont r act i ng Of f i cer wi l l di r ect t he shi f t i ng or movi ng of dr edges or t he i nt er r upt i on of dr edgi ng oper at i ons t o accommodat e t he movement of vessel s and f l oat i ng equi pment , i f necessar y.

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3. 5. 1. 2 Dr edgi ng Si t es

The dr edgi ng s i t es ar e shown i n t he Mi chi gan Har bor Appr oach Channel and Out er Har bor . The Cont r act or must dr edge t he ar eas shown i n t he dr awi ngs.

The opt i onal ar eas ar e not t o be dr edged unt i l appr oval f r om COR i s r ecei ved. Remove mat er i al f r om t he s i t es unt i l t he cont r act l i ne i t ems quant i t i es ar e obt ai ned. The Gover nment r eser ves t he r i ght t o change t he or der of wor k at any t i me.

3. 5. 2 Lights

Each ni ght , bet ween sunset and sunr i se and dur i ng per i ods of r est r i c t ed v i s i bi l i t y , pr ovi de l i ght s f or f l oat i ng pl ant s, pi pel i nes, r anges, and mar ker s. Pr ovi de l i ght s f or buoys t hat coul d endanger or obst r uct navi gat i on. When ni ght wor k i s i n pr ogr ess, mai nt ai n l i ght s f r om sunset t o sunr i se f or t he obser vat i on of dr edgi ng oper at i ons. Li ght i ng shal l conf or m t o Uni t ed St at es Coast Guar d r equi r ement s f or v i s i bi l i t y and col or .

3. 5. 3 Ranges, Gages, and Li nes

Fur ni sh, set , and mai nt ai n r anges, buoys, and mar ker s needed t o def i ne t he wor k and t o f aci l i t at e i nspect i on. Est abl i sh and mai nt ai n gages i n l ocat i ons obser vabl e f r om each par t of t he wor k so t hat t he dept h may be det er mi ned. Suspend dr edgi ng when t he gages or r anges cannot be seen or f ol l owed. The Cont r act i ng Of f i cer wi l l f ur ni sh, upon r equest by t he Cont r act or , sur vey l i nes, poi nt s, and el evat i ons necessar y f or t he set t i ng of r anges, gages, and buoys.

3. 5. 4 Plant

Mai nt ai n t he pl ant , scows, coami ngs, bar ges, pi pel i nes, and associ at ed equi pment t o meet t he r equi r ement s of t he wor k. Pr ompt l y r epai r l eaks or br eaks al ong pi pel i nes. Remove dr edged mat er i al pl aced due t o l eaks and breaks.

3. 5. 5 Di sposal of Dr edged Mat er i al

Al l naut i cal vessel s, pi pel i nes and l and based t r anspor t and conveyance syst ems shal l be oper at ed, l oaded and unl oaded i n such manner as t o pr event over f l ow, spi l l s , l eaks, wast e, or ot her l oss of dr edged mat er i al s bet ween poi nt of pi ck- up and poi nt of deposi t i on wi t hi n t he di sposal ar ea. Haul i ng vessel s shal l have suf f i c i ent s i dewal l hei ght and i nt egr i t y t o pr event dr ai nage over or t hr ough t he s i des and bot t om dur i ng haul i ng.

3. 5. 5. 1 Met hod of Di sposal

The met hod empl oyed by t he Cont r act or i n conveyi ng dr edged mat er i al s t o t he di sposal ar ea shal l be as appr oved by t he Cont r act i ng Of f i cer at al l t i mes. Tempor ar y dumpi ng or pl acement of mat er i al s out s i de of t he di sposal ar ea f or subsequent r ehandl i ng i nt o t he di sposal ar ea i s pr ohi bi t ed unl ess ot her wi se appr oved by t he Cont r act i ng Of f i cer .

Submit Mat er i al Di sposal Recor ds t o COR.

3. 5. 5. 2 Di sposal i n I ndi cat ed Di sposal Ar eas

Pr i or t o pl acement of dr edge mat er i al , t he Cont r act or wi l l submi t a Dr edgi ng Pl acement Saf et y Pl an, descr i bi ng i n det ai l t he means and met hods t o be ut i l i zed t o pr ovi de f or t he publ i c saf et y at t he di sposal ar ea, al l

SECTI ON 35 20 23 Page 11 i n accor dance wi t h t he Acci dent Pr event i on Pl an. The dr edged mat er i al s shal l be deposi t ed wi t hi n t he Gover nment - f ur ni shed di sposal ar ea shown on t he dr awi ngs. The Gover nment - f ur ni shed di sposal ar ea has suf f i c i ent capaci t y t o cont ai n al l mat er i al s t o be dr edged under t he cont r act .

Pl acement of t he dr edged mat er i al s wi t hi n t he di sposal ar ea shal l be as speci f i ed and shown except as ot her wi se di r ect ed by t he Cont r act i ng Of f i cer . Except as ot her wi se aut hor i zed by t he Cont r act i ng Of f i cer i n wr i t i ng, no di sposal shal l be per f or med unl ess a r epr esent at i ve of t he Cont r act or f or Qual i t y Cont r ol i s pr esent at t he t i me. The met hod empl oyed by t he Cont r act or i n deposi t i ng dr edged mat er i al s i n t he di sposal ar ea shal l be as appr oved by t he Cont r act i ng Of f i cer at al l t i mes.

3. 5. 5. 3 Mi spl aced Mat er i al

Any mat er i al t hat i s deposi t ed el sewher e t han i n t he pl aces desi gnat ed or appr oved by t he Cont r act i ng Of f i cer wi l l not be pai d f or . The Cont r act or shal l be r equi r ed t o r emove at i t s own expense and deposi t i t i n t he pl ace desi gnat ed on dr awi ngs or as appr oved by t he Cont r act i ng Of f i cer .

3. 5. 6 Condi t i on of Scows, Hopper s, and Pipelines

Al l scows and hopper s used f or t r anspor t i ng t he dr edged mat er i al shal l be kept i n good condi t i on wi t h coami ngs i n r epai r . Door s of dump vessel s shal l be mai nt ai ned i n good r epai r and seal ed i n a pr oper manner t o pr event t he l oss of dr edged mat er i al . Decks of vessel s shal l be c l eaned of dr edged mat er i al bef or e l eavi ng t he dr edgi ng ar ea. Pi pel i nes i n hydr aul i c dr edgi ng syst ems shal l be kept i n good condi t i on, f r ee of l eaks.

3. 5. 7 Unl oadi ng of Scows

When scow unl oadi ng i s per f or med wi t h t he use of a c l amshel l or bucket , t he di sposal ar ea encl osur e shal l be r et ur ned t o i t s or i gi nal condi t i on by r emovi ng al l mat er i al deposi t ed t her eon t o t he sat i sf act i on of t he Cont r act i ng Of f i cer .

3. 5. 7 Navi gat i on War ni ngs

Fur ni sh and mai nt ai n navi gat i on war ni ng s i gns al ong t he pi pel i ne.

3. 5. 8 Met hod of Communi cat i on

Pr ovi de a syst em of communi cat i on bet ween t he dr edge cr ew and t he cr ew at t he di sposal ar ea. A por t abl e t wo- way r adi o i s accept abl e.

3. 5. 9 Sal vaged Mat er i al

Anchor s, chai ns, f i r ear ms, and ot her ar t i c l es of val ue, whi ch ar e br ought t o t he sur f ace dur i ng dr edgi ng oper at i ons, shal l r emai n or become t he pr oper t y of t he Gover nment and shal l be deposi t ed on shor e at a conveni ent l ocat i on near t he s i t e of t he wor k, as di r ect ed.

3. 5. 10 Saf et y of St r uct ur es

The pr osecut i on of wor k shal l ensur e t he st abi l i t y of pi er s, bul kheads, and ot her st r uct ur es l y i ng on or adj acent t o t he s i t e of t he wor k, i nsof ar as st r uct ur es may be j eopar di zed by dr edgi ng oper at i ons. Repai r damage r esul t i ng f r om dr edgi ng oper at i ons, i nsof ar as such damage may be caused by var i at i on i n l ocat i ons or dept h of dr edgi ng, or bot h, f r om t hat i ndi cat ed or per mi t t ed under t he cont r act .

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3. 5. 11 Pl ant Removal

Upon compl et i on of t he wor k, pr ompt l y r emove pl ant , i ncl udi ng r anges, buoys, pi l es, and ot her mar ker s or obst r uct i ons.

3. 6 PREPLACEMENT AND POSTPLACEMENT SURVEYS

The Cont r act or shal l per f or m pr epl acement and post pl acement sur veys as speci f i ed bel ow. The cont r act or shal l pr oduce di gi t al cr oss sect i ons i n t he CADD f or mat pr ovi ded by t he gover nment pr i or t o commencement of t he f i el d wor k.

3. 6. 1 Pr epl acement Sur veys of Beach

Compl y wi t h t he f ol l owi ng pr epl acement sur veys of beach r equi r ement s:

a. Pr i or t o di sposal of dr edged mat er i al , t he Cont r act or shal l sur vey beach pr of i l e l i nes as speci f i ed her ei n f or t he pl acement ar ea.

Pr of i l e l i nes shal l be sur veyed per pendi cul ar t o t he basel i ne as shown on cont r act dr awi ngs, i n 100 f oot i nt er val s begi nni ng at St at i on 315+75. 10 and endi ng at St at i on 338+50. 00. Readi ngs shal l be t aken at 25 f oot i nt er val s and at br eaks i n gr ade al ong t he pr of i l e l i nes.

Pr of i l e l i nes shal l ext end t o t he boundar i es of t he pl acement ar eas.

Lake l evel el evat i ons ar e t o be r ecor ded and pl ot t ed al ong each pr of i l e l i ne. Pr of i l e pl ot s ar e t o be at a scal e of 2V: 1H and submi t t ed on st andar d D si ze ( 34-inches by 22-inches ) sheet s.

b. Pr epl acement pr of i l es wi l l be cont ai ned i n a separ at e desi gn f i l e whi ch can have t he post pl acement sur veys at t ached as a r ef er ence f i l e.

c. The f or mat i n whi ch sur vey not es ar e r ecor ded shal l be appr oved by t he COR pr i or t o any sur vey wor k bei ng per f or med. Dat a shal l be submi t t ed i n har d copy and i n ASCI I t abul ar f or mat or anot her f or mat appr oved by t he COR.

3. 6. 2 Post pl acement Sur veys of Beach

Compl y wi t h t he f ol l owi ng post epl acement sur veys of beach r equi r ement s:

a. The Cont r act or shal l conduct post pl acement pr of i l e sur veys af t er compl et i ng di sposal oper at i ons t o ensur e t hat t he dr edged mat er i al i s pl aced at t he speci f i ed el evat i on. Pr of i l e l i nes shal l be sur veyed per pendi cul ar t o t he basel i ne as shown on cont r act dr awi ngs, i n 100 f oot i nt er val s begi nni ng at St at i on 315+75. 10 and endi ng at St at i on 338+50. 00. Readi ngs shal l be t aken at 25 f oot i nt er val s and at br eaks i n gr ade al ong t he pr of i l e l i nes. Pr of i l e l i nes shal l ext end t o t he boundar i es of t he pl acement ar eas. Lake l evel el evat i ons ar e t o be r ecor ded and pl ot t ed al ong each pr of i l e l i ne. Pr of i l e pl ot s ar e t o be at a scal e of 2V: 1H and submi t t ed on st andar d D si ze ( 34-inches by 22-inches ) sheet s.

b. Post pl acement pr of i l es shal l be cr eat ed as a separ at e desi gn f i l e wher e t hey can be at t ached t o a pr epl acement desi gn f i l e as a r ef er ence f i l e.

c. The f or mat i n whi ch sur vey not es ar e r ecor ded shal l be appr oved by t he COR pr i or t o any sur vey wor k bei ng per f or med. Dat a shal l be submi t t ed i n har d copy and i n ASCI I t abul ar f or mat or anot her f or mat appr oved by t he COR.

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3. 7 CONTRACTOR QUALI TY CONTROL

The Cont r act or shal l est abl i sh and mai nt ai n a qual i t y cont r ol syst em f or dr edgi ng and pl acement oper at i ons t o assur e compl i ance wi t h t he Cont r act r equi r ement s and pr ovi de a Dai l y Repor t of Dr edgi ng Oper at i ons by compl et i ng t he appr opr i at e f or m and compl et i ng al l i nspect i ons of i t ems under t hi s syst em, i ncl udi ng, but not l i mi t ed t o, t he f ol l owi ng:

a. Layout of wor k, and pl acement ar eas;

b. Pr oper dr edgi ng dept hs and pl acement hei ght s;

c. Conveyance and pl acement oper at i ons;

d. Removal of mi spl aced mat er i al ; and

e. Saf et y r equi r ement s.

3. 8 GOVERNMENT I NSPECTI ON

3. 8. 1 Gauge Mai nt enance

The Cont r act or shal l mai nt ai n i t s gauges, 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. The pr esence of a Gover nment i nspect or shal l not r el i eve t he Cont r act or of i t s 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 and dr awi ngs.

3. 8. 2 Facilities

The Cont r act or shal l f ur ni sh, on t he r equest of t he Cont r act i ng Of f i cer or any i nspect or , t he use of such boat s, boat oper at or s, 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 necessar y i n i nspect i ng t he wor k. However , t he Cont r act or wi l l not be r equi r ed t o f ur ni sh such f aci l i t i es f or t he sur veys pr escr i bed i n t he Par agr aph " FI NAL EXAMI NATI ON AND ACCEPTANCE" .

3. 8. 3 Transportation

The Cont r act or shal l f ur ni sh, on t he r equest of t he Cont r act i ng Of f i cer or any i nspect or , sui t abl e t r anspor t at i on f r om desi gnat ed poi nt s on shor e t o and f r om t he var i ous pi eces of of f - shor e pl ant and of f - shor e pl acement areas.

3. 8. 4 Compliance

Shoul d t he Cont r act or r ef use, negl ect , or del ay 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 any amount s due or t o become due t he Cont r act or .

3. 9 MEASUREMENT

The mat er i al r emoved wi…