Amendment 0001 Full Spec Sections.pdf

Lower Pool 10 HREP St age 3 Cont r act No. W912ES26BA009

SECTI ON TABLE OF CONTENTS

DI VI SI ON 01 - GENERAL REQUI REMENTS

GSECTI ON 01 00 00. 00 13

GENERAL

PART 1 GENERAL

1. 1 ORGANI ZATI ON OF SPECI FI CATI ONS

1. 2 USE OF REFERENCES

PART 2 PRODUCTS

2. 1 RECYCLED/ RECOVERED MATERI ALS

PART 3 EXECUTI ON

3. 1 DI SPOSAL OF DEBRI S AND WASTE

3. 1. 1 Bur ni ng

3. 1. 2 Di sposal of f s i t e f or usef ul pur poses

3. 1. 3 Di sposal i n a l ocal l y oper at ed sani t ar y l andf i l l

3. 1. 4 Di sposal of Sol i d Const r uct i on Debr i s and Wast e

3. 2 SCHEDULI NG

3. 2. 1 Gener al

3. 2. 2 Not i f i cat i on

3. 2. 3 Lock and Dam Oper at i ons

3. 3 OTHER CONTRACTS AND WORK

3. 3. 1 Li st of ot her cont r act s

3. 4 Ot her Wor k

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

SECTI ON 01 00 00. 00 13 Page 1

GSECTI ON 01 00 00. 00 13

GENERAL

PART 1 GENERAL

Thi s speci f i cat i on i s f or t he const r uct i on of r ock s i l l s , r ock mounds, shor el i ne pr ot ect i on, and i s l and enhancement f eat ur es wi t hi n Lower Pool 10 of t he Mi ssi ssi ppi Ri ver . Al l pr oj ect l ands ar e i n Feder al owner shi p and ar e managed by t he U. S. Fi sh and Wi l dl i f e Ser vi ce ( USFWS) as par t of t he Upper Mi ssi ssi ppi Ri ver Nat i onal Wi l dl i f e and Fi sh Ref uge ( NWFR) . I t wi l l r esul t i n r est or at i on of backwat er and mai n channel connect i v i t y, t he r et ur n of nat ur al f l oodpl ai n, and wat er qual i t y i mpr ovement .

Gr anul ar f i l l f r om t he st ockpi l e at McMi l l an I s l and, mai n channel dr edgi ng, and access dr edgi ng, as wel l as f i ne f i l l mat er i al s f r om habi t at dr edgi ng, and access dr edgi ng, wi l l be used t o compl et e t he st r uct ur es shown. The Cont r act or wi l l pr ovi de r i pr ap and pl ace i t al ong t he shor e t o pr ot ect t he i s l and; t hi s r ock i s t o be obt ai ned f r om Gover nment appr oved of f - s i t e sour ce( s) . The Cont r act or wi l l al so l ocat e, har vest , and pl ant wi l l ow cut t i ngs; and est abl i sh t ur f as shown and speci f i ed.

1. 1 ORGANI ZATI ON OF SPECI FI CATI ONS

The speci f i cat i ons whi ch gover n t he mat er i al s and equi pment t o be f ur ni shed and t he wor k t o be per f or med under t hi s cont r act ar e l i s t ed i n t he Tabl e of Cont ent s. No at t empt has been made i n t he speci f i cat i ons t o segr egat e wor k t o be per f or med by any t r ade, cr af t , or subcont r act or . Any segr egat i on bet ween t he t r ades or cr af t s shal l be sol el y a mat t er f or agr eement bet ween t he Cont r act or , Cont r act or ' s empl oyees, and subcont r act or s.

1. 2 USE OF REFERENCES

Ref er ence t o t he st andar ds, speci f i cat i ons, or codes of any t echni cal soci et y, or gani zat i on, or associ at i on, or l ocal , St at e, or Feder al aut hor i t y shal l mean t he speci f i c edi t i on or r evi s i on l i s t ed.

Var i ous publ i cat i ons ar e r ef er enced i n ot her sect i ons of t he speci f i cat i ons t o est abl i sh r equi r ement s f or t he wor k. Any r ef er enced publ i cat i on i s t o be used sol el y f or t echni cal r equi r ement s. Measur ement and payment and any ot her mat t er s r espect i ng t he admi ni st r at i on of t hi s cont r act shal l be gover ned by t he t er ms of t hi s cont r act wi t hout consi der i ng any r ef er enced publ i cat i on. These r ef er ences ar e i dent i f i ed i n each sect i on by document number , dat e and t i t l e. The addr esses, phone number s, and I nt er net addr esses ( i f avai l abl e) f or r ef er ences ci t ed i n t hese speci f i cat i ons ar e l i s t ed i n t he Uni f i ed Faci l i t i es Gui de Speci f i cat i on: UFGS 01 42 00 SOURCES FOR REFERENCE PUBLI CATI ONS. The UFGS 01 42 00 i s avai l abl e on t he TECHI NFO page of t he U. S. Ar my Cor ps of Engi neer s Hunt svi l l e Di st r i ct I nt er net s i t e:

ht t p: / / www. hnc. usace. ar my. mi l / Mi ssi ons/ Engi neer i ng- Di r ect or at e/ TECHI NFO/ .

PART 2 PRODUCTS

2. 1 RECYCLED/ RECOVERED MATERI ALS

Gover nment pr ocur ement pol i cy i s t o acqui r e, i n a cost ef f ect i ve manner , SECTI ON 01 00 00. 00 13 Page 2 i t ems cont ai ni ng t he hi ghest per cent age of r ecycl ed and r ecover ed mat er i al s pr act i cabl e consi st ent wi t h mai nt ai ni ng a sat i sf act or y l evel of compet i t i on wi t hout adver sel y af f ect i ng per f or mance r equi r ement s or exposi ng suppl i er s ' empl oyees t o undue hazar ds f r om t he r ecover ed mat er i al s. The Envi r onment al Pr ot ect i on Agency ( EPA) has desi gnat ed cer t ai n i t ems whi ch must cont ai n a speci f i ed per cent r ange of r ecover ed or r ecycl ed mat er i al s. EPA desi gnat ed pr oduct s speci f i ed i n t hi s cont r act compl y wi t h t he st at ed pol i cy and wi t h t he EPA gui del i nes. The Cont r act or shal l make al l r easonabl e ef f or t s t o use r ecycl ed and r ecover ed mat er i al s i n pr ovi di ng t he EPA desi gnat ed pr oduct s and i n ot her wi se ut i l i z i ng r ecycl ed and r ecover ed mat er i al s i n t he execut i on of t he wor k.

PART 3 EXECUTI ON

3. 1 DI SPOSAL OF DEBRI S AND WASTE

The Cont r act or ' s at t ent i on i s di r ect ed t o Sect i on 01 57 20. 00 13 ENVI RONMENTAL PROTECTI ON and t o t he f ol l owi ng CONTRACT CLAUSES: 52. 236- 7 PERMI TS AND RESPONSI BI LI TI ES; 52. 236- 9 PROTECTI ON OF EXI STI NG VEGETATI ON, STRUCTURES, EQUI PMENT, UTI LI TI ES, AND I MPROVEMENTS; 52. 236- 10 OPERATI ONS

AND STORAGE AREAS; and 52. 236- 12 CLEANI NG UP. Bur ni ng wi l l not be per mi t t ed at t he pr oj ect s i t e and debr i s or wast e shal l not be l ef t on t he s i t e. Di sposal of debr i s and wast e shal l be by one of t he f ol l owi ng met hods:

3. 1. 1 Bur ni ng

Bur ni ng wi l l not be per mi t t ed at t he pr oj ect s i t e.

3. 1. 2 Di sposal of f s i t e f or usef ul pur poses

I n t he i nt er est of conser vat i on, i t i s r equi r ed t hat t he Cont r act or make a r easonabl e ef f or t t o di spose of t he mat er i al of f s i t e f or some usef ul pur pose. For exampl e, t i mber may be cut i nt o conveni ent l engt hs and ut i l i zed f or maki ng saw l ogs, post s, cor dwood, wood chi ps f or paper maki ng or ot her uses, or ot her s i mi l ar use.

3. 1. 3 Di sposal i n a l ocal l y oper at ed sani t ar y l andf i l l

Cont r act or shal l sel ect t he di sposal s i t e wi t h t he appr oval of t he Cont r act i ng Of f i cer . The Cont r act or shal l secur e t he r equi r ed per mi t s f or di sposal and pr ovi de copi es of t he per mi t t o t he Cont r act i ng Of f i cer .

3. 1. 4 Di sposal of Sol i d Const r uct i on Debr i s and Wast e

Di sposal of Sol i d Const r uct i on Debr i s and Wast e shal l consi st of r emoval f r om t he const r uct i on s i t e and di sposal i n compl i ance wi t h Feder al , St at e, and l ocal r equi r ement s f or sol i d wast e di sposal . Cont r act or shal l sel ect t he di sposal s i t e wi t h t he appr oval of t he Cont r act i ng Of f i cer .

3. 2 SCHEDULI NG

3. 2. 1 Gener al

I t shal l be t he r esponsi bi l i t y of t he Cont r act or t o schedul e and execut e t he wor k, i ncor por at i ng t he necessar y r equi r ement s set f or t h i n t hese speci f i cat i ons. The Cont r act or shal l devel op and submi t a schedul e i n accor dance wi t h Sect i on 01 32 01. 00 13 PROJECT SCHEDULE and CONTRACT

SECTI ON 01 00 00. 00 13 Page 3

CLAUSE: 52. 236- 15 SCHEDULES FOR CONSTRUCTI ON CONTRACTS.

3. 2. 2 Not i f i cat i on

The Cont r act or shal l i nf or m t he Gover nment i n wr i t i ng, at t he pr e- const r uct i on conf er ence, as t o whi ch hour s of t he day and days of t he week f or whi ch wor k wi l l be per f or med. The Cont r act or must not i f y t he Gover nment i n wr i t i ng at l east 24 hour s bef or e wor k i s t o be conduct ed on over t i me, i n mul t i pl e shi f t s, on weekends, or on Feder al Gover nment hol i days and subj ect t o appr oval by t he Cont r act i ng Of f i cer .

3. 2. 3 Lock and Dam Oper at i ons

The Cont r act or shal l not i nt er f er e wi t h nor mal l ock and dam oper at i ons.

Lock and Dam per sonnel wi l l not accept del i ver i es, phone cal l s, or mai l or del i ver messages f or t he Cont r act or .

3. 3 OTHER CONTRACTS AND WORK

The Gover nment may under t ake, awar d, or have ot her on- goi ng cont r act s and wor k i n t he ar ea of t hi s pr oj ect . The Cont r act or shal l coor di nat e t hei r wor k wi t h t he ot her Cont r act or s t o pr event del ays t o t hi s pr oj ect and i nt er f er ences wi t h t hose cont r act s. The Cont r act or shal l expect del ays and r eschedul i ng due t o t hese ot her cont r act s and wor k. I n addi t i on, Uni t ed St at es Ar my Cor ps of Engi neer s ( USACE) may need t o ut i l i ze McMi l l an I s l and f or dr edge mat er i al pl acement f or up t o t wo weeks per year dur i ng t he unl oad cont act , at whi ch t i me t he Cont r act or shal l suspend t hei r oper at i ons. Coor di nat i on shal l be t hr ough t he Cont r act i ng Of f i cer . The ot her cont r act s and wor k i n t he ar ea of t hi s pr oj ect ar e l i s t ed bel ow.

These cont r act s wi l l be consi der ed i n accor dance t o CONTRACT CLAUSE:

52. 236- 8 OTHER CONTRACTS.

The use of t he McMi l l an I s l and dr edge di sposal st ockpi l e wi l l not be al l owed f or use by t he Lower Pool 10 HREP St age 3 cont r act unt i l compl et i on of t he Lower Pool 10 HREP St age 1 cont r act . The cur r ent cont r act compl et i on dat e f or t he Lower Pool 10 HREP St age 1 cont r act i s 25 November 2027, pendi ng any t i me ext ensi ons ar i s i ng f r om unf or eseen del ays.

The Cont r act or shal l be awar e t hat Lower Pool 10 St age 1 and St age 2 const r uct i on oper at i ons may over l ap wi t h St age 3 const r uct i on oper at i ons.

The Cont r act or shal l coor di nat e wi t h t he Cont r act i ng Of f i cer and ot her cont r act or s as needed t o schedul e oper at i ons and avoi d conf l i c t s dur i ng const r uct i on oper at i ons of concur r ent pr oj ect .

Access Channel s BL- 1 and BL- 2 may be used by St age 1 and St age 2 const r uct i on oper at i ons. The Cont r act or shal l mai nt ai n access channel s BL- 1 and BL- 2 St at i on 00+00 - 28+66 i f usi ng t he Bussey Lake Landi ng st agi ng ar ea.

3. 3. 1 Li st of ot her cont r act s

( 1) Hydr aul i c and Mechani cal mai nt enance dr edgi ng per f or med or cont r act ed by U. S. Ar my Cor ps of Engi neer s.

( 2) Addi t i onal wor k at McMi l l an I s l and per f or med or cont r act ed by U. S.

Ar my Cor ps of Engi neer s.

( 3) Mechani cal Unl oadi ng I DI Q, Cont r act No. W912ES22D0010 was awar ded t o Legacy Cor por at i on of I L. : wi t h base year i n 2023 and opt i on year s

SECTI ON 01 00 00. 00 13 Page 4 t hr ough t he 2024- 2026 navi gat i on seasons. Thi s cont r act or a s i mi l ar cont r act ar e ant i c i pat ed t o be i n ef f ect dur i ng t he ent i r e l engt h of t he const r uct i on pr oj ect .

( 4) Mechani cal Dr edgi ng I DI Q, Cont r act No. W912ES24D0008 was awar ded t o LS Mar i ne, I nc. : wi t h base year i n 2024 and opt i on year s t hr ough t he 2025- 2028 navi gat i on seasons. Thi s cont r act or a s i mi l ar cont r act ar e ant i c i pat ed t o be i n ef f ect dur i ng t he ent i r e l engt h of t he const r uct i on pr oj ect .

( 5) Lower Pool 10 HREP St age 1 Pr oj ect , Cont r act No. W912ES24C0017 awar ded t o Legacy Cor por at i on of Mol i ne, I L i n 2024.

( 6) Lower Pool 10 HREP St age 2 Pr oj ect , t o be awar ded i n a separ at e cont r act .

( 7) Sny Magi l l Ef f i gy Mounds, t o be awar ded i n a separ at e cont r act .

( 8) Lock and Dam 10 Upst r eam Moor i ng Cel l , t o be awar ded i n a separ at e cont r act , l ocat ed at appr oxi mat e r i ver mi l e 615. 4.

3. 4 Ot her Wor k

The Cont r act or shal l cont act t he ot her l ocal uni t s of gover nment f or wor k t hey may have goi ng on i n t he ar ea and coor di nat e wor k and schedul es t o pr event any del ays i n t hi s cont r act .

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

SECTI ON 35 20 23

DREDGI NG

PART 1 GENERAL

1. 1 REFERENCES

1. 2 THE PLANT

1. 3 SUBMI TTALS

1. 4 EFFLUENT WATER QUALI TY

1. 5 MATERI AL BALANCE PLAN

1. 6 CLASSI FI CATI ON OF SOI L MATERI ALS

1. 7 HI STORI C BORI NGS

PART 2 PRODUCTS

2. 1 MATERI ALS

2. 1. 1 Sat i sf act or y Mat er i al s

2. 1. 2 Unsat i sf act or y Mat er i al s

2. 1. 3 Fi ne Mat er i al and Gr anul ar Mat er i al

2. 1. 4 Const r uct i on Pads

2. 1. 5 Woody Mat er i al

2. 1. 6 Aquat i c Veget at i on

2. 2 CHARACTERI STI CS OF DREDGED MATERI AL

2. 2. 1 Fi ne Fi l l

2. 2. 2 Gr anul ar Fi l l

2. 2. 3 Random Fi l l

2. 3 COMMUNI CATI ON

2. 3. 1 Pl ant Communi cat i on

2. 3. 2 Mar i ne Tr af f i c Communi cat i on

2. 4 I NSPECTI ON BOAT

PART 3 EXECUTI ON

3. 1 GENERAL REQUI REMENTS

3. 2 DI SPOSAL OF WOODY MATERI AL ONSI TE

3. 3 CONFI NED DI SPOSAL FACI LI TY ( CDF) BERMS

3. 4 CONSTRUCTI ON PAD( S)

3. 4. 1 Const r uct i on Pad f or SP- H4

3. 5 SLI DES

3. 6 TOLERANCES

3. 7 PI PELI NES

3. 8 NAVI GATI ON

3. 9 PROTECTI ON OF STRUCTURES, UTI LI TI ES AND DREDGED AREAS

3. 10 PLANT REMOVAL

3. 11 ATTACHMENTS

SECTI ON 35 20 23 Page 1

SECTI ON 35 20 23

DREDGI NG

PART 1 GENERAL

Thi s sect i on cover s t he mechani cal and/ or hydr aul i c dr edgi ng and t r anspor t at i on of f i ne mat er i al obt ai ned f r om access and habi t at dr edgi ng as wel l as gr anul ar mat er i al obt ai ned f r om McMi l l an I s l and and mai n- channel dr edgi ng and access dr edgi ng.

1. 1 REFERENCES

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

ASTM I NTERNATI ONAL ( ASTM)

ASTM D2487 ( 2017) St andar d Pr act i ce f or Cl assi f i cat i on of Soi l s f or Engi neer i ng Pur poses ( Uni f i ed Soi l Cl assi f i cat i on Syst em)

ASTM D2488 ( 2017; E 2018) St andar d Pr act i ce f or Descr i pt i on and I dent i f i cat i on of Soi l s ( Vi sual - Manual Pr ocedur e)

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

EM 385- 1- 1 ( 2024) Saf et y - - Saf et y and Occupat i onal Heal t h ( SOH) Requi r ement s

1. 2 THE PLANT

The pl ant i s def i ned as al l mar i ne and l and based equi pment necessar y t o accompl i sh t he wor k.

The pl ant shal l be subj ect t o t he i nspect i on of t he Cont r act i ng Of f i cer at al l t i mes. The Cont r act or i s r esponsi bl e f or super vi s i on and di r ect i on of al l oper at i ons, i ncl udi ng t he saf e and ef f i c i ent oper at i on of t he pl ant .

Mai nt ai n t he pl ant t o meet t he r equi r ement s of t he wor k. I nf or mat i on about t he pl ant shoul d be i ncl uded i n ei t her t he Hydr aul i c Dr edgi ng Pl ant submi t t al or t he Mechani cal Dr edgi ng Pl ant submi t t al .

1. 3 SUBMI TTALS

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

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

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

SECTI ON 35 20 23 Page 2

Hydr aul i c Dr edgi ng Pl ant ; G

Submi t i nf or mat i on on t he f ol l owi ng i t ems t o be used on t hi s cont r act :

1. Dr edge: Name, l engt h, beam, dr af t , and mobi l i zat i on speed.

2. Boost er pumps: hor sepower , di amet er , l ocat i on, and number of pumps.

3. Avai l abl e pi pe: l engt h of each di amet er & mat er i al combi nat i on.

4. Cut t er : t ype, hor sepower , and l adder l engt h.

5. Tender s.

6. Spuds.

Mechani cal Dr edgi ng Pl ant ; G

Submi t i nf or mat i on on t he f ol l owi ng i t ems t o be used on t hi s cont r act :

1. Excavat or ( s) : Name, Model , Bucket s i ze.

2. Excavat i on Si t e( s) Suppor t Equi pment : Name, Model .

3. Fl oat i ng Pl ant : Bar ge Si zes and Suppor t Equi pment .

Wor k and Excavat i on Pl an; G

The Wor k and Excavat i on Pl an shal l be a det ai l ed pl an of t he excavat i on and mat er i al handl i ng f or al l oper at i ons i ncl udi ng t he f ol l owi ng:

1. Pi pel i ne ( hydr aul i c) r out e i ncl udi ng l ocat i ons of f l oat i ng and submer ged, pi pe mat er i al , anchor i ng met hods, and met hods f or maki ng f l oat i ng pi pel i ne and r ecr eat i onal boat cr ossi ngs.

2. Bar ge r out e ( mechani cal ) .

3. Schedul e - Sequence of wor k wi t h t i me l i ne f or al l dr edgi ng oper at i ons.

4. Fi ne Fi l l ( Topsoi l ) Sour ce( s) - Locat i ons ar e shown on t he dr awi ngs and quant i t y i s based on Pr e- Const r uct i on sur vey of dr edgi ng ar ea. Aquat i c veget at i on can be i ncor por at ed i nt o t he f i ne f i l l .

5. Gr anul ar Fi l l Sour ce( s) - Locat i on and quant i t y f r om McMi l l an I s l and and f r om each appr oved mai n channel dr edgi ng si t e f r om t he at t achment s f r om Sect i on 35 20 23 DREDGI NG.

6. Conf i ned Di sposal Faci l i t i es ( CDFs) f or hydr aul i cal l y dr edged f i nes - Pr ovi de t ype, l ocat i ons and conf i gur at i ons of CDFs. I f ber ms ar e t o be used f or per i met er and/ or i nt er i or ber m mat er i al s, pr ovi de l ocat i ons, conf i gur at i ons, hei ght s and const r uct i on means and met hods. I f ot her means and met hods ar e pr oposed f or cont ai ni ng and/ or dr yi ng t he f i nes, such as geot ubes or mechani cal pl ant s, pr ovi de det ai l s r egar di ng t he l ocat i ons and conf i gur at i ons and oper at i on of any such means and met hods.

7. St agi ng Ar ea - Shal l i ncl ude t he st agi ng ar eas f or mat er i al s, equi pment , suppl i es, f i el d of f i ces, and par ki ng.

Thi s pl an shal l addr ess Eagl e Nest i ng Wor k Rest r i ct i ons and

SECTI ON 35 20 23 Page 3 r est r i ct i ons associ at ed wi t h Mussel Bed ar eas shown on t he dr awi ngs wi t hi n Excl usi on Zones.

Pr epar e and submi t t he wor k and excavat i on pl an i n conj unct i on wi t h wor k and pl acement pl an and t he wat er qual i t y pl an as out l i ned under Sect i on 35 20 23. 40 13 PLACEMENT OF DREDGED AND STOCKPI LED FI LL MATERI AL and submi t t ed as one package f or Gover nment r evi ew.

Access Dr edgi ng Pl an; G

Submi t t he Access Dr edgi ng Pl an f or Gover nment appr oval . The Access Dr edgi ng Pl an must be appr oved pr i or t o commencement of access dr edgi ng. The Access Dr edgi ng pl an shal l i ncl ude a det ai l ed pl an and nar r at i ve of t he excavat i on and mat er i al handl i ng i ncl udi ng t he f ol l owi ng i t ems:

1. Access dr edgi ng cor r i dor s ar e shown on t he dr awi ngs. Submi t pr oposed access dr edgi ng l ocat i ons and pl acement l ocat i ons.

Access dr edgi ng shal l compl y wi t h pr ovi s i ons of Par agr aph Gener al Requi r ement s

2. How l i mi t s of access dr edgi ng wi l l be mar ked and how mar ker s wi l l be mai nt ai ned.

3. Schedul e - Sequence of wor k wi t h t i me l i ne.

4. Cut l engt h, wi dt h, dept h, est i mat ed quant i t y, and mat er i al char act er i st i cs based on pr e- dr edgi ng sur vey.

5. Addr ess al l cont r act and per mi t r est r i ct i ons and r egul at i ons.

6. Descr i pt i on of access dr edgi ng equi pment , handl i ng and di sposal met hods.

7. Descr i pt i on of aquat i c veget at i on r emoval means and met hods, handl i ng and di sposal met hods.

8. I dent i f y l ocat i on and di r ect i on of out f al l f l ow. Out f al l f l ow shal l not be di r ect ed t owar ds t he Mai n Channel of t he Mi ssi ssi ppi Ri ver or t o mussel bed wat er s.

Pr epar e t he pl an i n conj unct i on wi t h t he wor k and pl acement pl an and t he wat er qual i t y pl an as out l i ned under Sect i on 35 20 23. 40 13 PLACEMENT OF DREDGED AND STOCKPI LED FI LL MATERI AL and submi t i t as one package f or Gover nment r evi ew.

Per f or m and pr ovi de sur veys pr i or t o access dr edgi ng, and af t er access dr edgi ng i s compl et e. Sur veys shal l be compl et e i n enough det ai l t o accur at el y ver i f y pr e and post access dr edgi ng ar eas, and shal l be conduct ed i n accor dance wi t h Sect i on

01 71 23. 05 13 CONTRACTOR SURVEYS.

Wat er Qual i t y Pl an; G

Pr epar e a pl an i n accor dance wi t h Par agr aph: EFFLUENT WATER QUALI TY

Mat er i al Bal ance Pl an; G

SECTI ON 35 20 23 Page 4

Pr epar e a pl an i n accor dance wi t h Par agr aph: MATERI AL BALANCE PLAN

SD- 06 Test Repor t s

Dai l y Repor t For ms

Submi t dai l y r epor t f or ms t o t he Cont r act i ng Of f i cer on a r egul ar basi s as di r ect ed ( t hi s may i ncl ude sendi ng dai l y f acsi mi l es/ emai l s of t he pr evi ous day' s r epor t t o t he Cont r act i ng Of f i cer ) . Fr equent t r ansmi t t al of dai l y r epor t s do not need t o f ol l ow f or mal submi t t al pr ocedur es. The Cont r act or ' s st andar d f or m may be subst i t ut ed, pr ovi ded i t cont ai ns t he basi c i nf or mat i on i ndi cat ed on t he dai l y dr edgi ng r epor t l ocat ed i n t he RMS CM modul e. Thi s r epor t i s i n addi t i on t o t he Dai l y Cont r act or ' s Qual i t y Cont r ol ( QC) Repor t .

1. 4 EFFLUENT WATER QUALI TY

The Cont r act or i s r equi r ed t o meet t he wat er qual i t y st andar ds as st at ed i n t he St at e of I owa SECTI ON 401 WATER QUALI TY CERTI FI CATI ON f or dr edgi ng and pl acement of f i ne f i l l , whet her obt ai ned by mechani cal or hydr aul i c dr edgi ng met hods.

Thi s per mi t i s l ocat ed i n Sect i on 01 57 20. 00 13 ENVI RONMENTAL PROTECTI ON.

The Cont r act or shal l submi t f or appr oval a Wat er Qual i t y Pl an addr essi ng t he r equi r ement s of t he per mi t .

Hydr aul i c car r i age wat er sampl i ng, t est i ng, moni t or i ng r equi r ement s and ef f l uent l i mi t at i ons must be met i n accor dance wi t h t hi s t abl e:

Li mi t f or : Met at : Lab Sampl e Fr equency On Si t e Sampl e Fr equency

200 mg/ l TSS Di schar ge f r om out f al l st r uct ur e or di schar ge f r om cont ai nment cel l

3x/ week, r epor t ed weekl y i n wr i t i ng ( anal yze sampl es wi t hi n 5 days f r om col l ect i on)

Dai l y set t l i ng t est t o be conduct ed when di schar gi ng

* Set t l i ng t est uses 100mL of car r i age wat er i n gr aduat ed cyl i nder , aci di f i ed t o pH of 3.

Submi t f or appr oval a Wat er Qual i t y Pl an addr essi ng t he wat er qual i t y r equi r ement s of t he per mi t s. Car r i age wat er di schar ge associ at ed wi t h cont ai nment cel l ef f l uent s must be moni t or ed f or t ot al suspended sol i ds.

Repor t moni t or i ng r esul t s t o t he Cont r act i ng Of f i cer i n wr i t i ng on a weekl y basi s.

The Cont r act or i s r esponsi bl e f or al l sampl i ng, t est i ng and r epor t i ng of wat er qual i t y l i mi t s as st at ed i n t he per mi t s.

Pr i or t o di schar gi ng t he hydr aul i c dr edgi ng car r i age wat er f r om t he si t e, t he Cont r act or i s r equi r ed t o meet t he ef f l uent wat er qual i t y st andar ds as st at ed i n t he t abl e above. Cease car r i age wat er di schar ge i mmedi at el y dur i ng per i ods when ef f l uent wat er qual i t y st andar ds ar e obvi ousl y not bei ng achi eved.

1. 5 MATERI AL BALANCE PLAN

The mat er i al bal ance pl an wi l l show how t he Cont r act or wi l l bal ance al l mat er i al ( gr anul ar , r andom, and f i ne) such t hat t her e i s no excess or

SECTI ON 35 20 23 Page 5 shor t age of any t ype of mat er i al . Thi s pl an shal l i ncl ude cal cul at i ons of quant i t i es i ncl udi ng shr i nkage f act or s. I t i s t he r esponsi bi l i t y of t he Cont r act or t o bal ance t he mat er i al .

1. 6 CLASSI FI CATI ON OF SOI L MATERI ALS

Cl assi f i cat i on of soi l mat er i al s shal l be per f or med by t he Cont r act or i n accor dance wi t h ASTM D2488. The Cont r act i ng Of f i cer r eser ves t he r i ght t o r evi se t he Cont r act or c l assi f i cat i ons. I n t he case of di sagr eement , t he Cont r act i ng Of f i cer ' s c l assi f i cat i on wi l l gover n unl ess t he soi l s ar e c l assi f i ed i n accor dance wi t h ASTM D2487.

1. 7 HI STORI C BORI NGS

The hi st or i c bor i ng l ogs f or t he 1990 bor i ngs i n Bussey Lake can be f ound i n t he at t achment s at t he end of t hi s sect i on. The 1990 bor i ng ar e i n ver t i cal dat um MSL 1912 and t he conver si on t o NAVD 88 i s MSL- 0. 62 f eet .

PART 2 PRODUCTS

2. 1 MATERI ALS

2. 1. 1 Sat i sf act or y Mat er i al s

Sat i sf act or y mat er i al s shal l be of a char act er and qual i t y appr opr i at e f or t he pur pose i nt ended. Sat i sf act or y mat er i al shal l be f r ee of i ce, snow, f r ozen ear t h, t r ash and debr i s.

2. 1. 2 Unsat i sf act or y Mat er i al s

Mat er i al s whi ch do not compl y wi t h t he r equi r ement s f or sat i sf act or y mat er i al s ar e unsat i sf act or y. Unsat i sf act or y mat er i al s al so i ncl ude man- made f i l l s ; t r ash; r ef use; backf i l l s f r om pr evi ous const r uct i on; and mat er i al c l assi f i ed as sat i sf act or y whi ch cont ai ns r oot and ot her or gani c mat t er or f r ozen mat er i al . Not i f y t he Cont r act i ng Of f i cer when encount er i ng any cont ami nat ed mat er i al s.

2. 1. 3 Fi ne Mat er i al and Gr anul ar Mat er i al

Fi ne mat er i al used as t opsoi l shal l be obt ai ned f r om access and habi t at dr edgi ng and shal l have a mi ni mum of 60 per cent by wei ght of mat er i al passi ng t he No. 200 US St andar d Si eve. Dr edgi ng f or f i ne mat er i al shal l occur pr i mar i l y i n Habi t at Ar ea DR- H4, or f r om access dr edgi ng channel s shown on t he dr awi ngs and as i dent i f i ed i n t he Cont r act or ' s appr oved dr edgi ng pl an.

Gr anul ar mat er i al ( sand) used as gr anul ar f i l l i n const r uct i ng t he bases of i s l ands and shor el i ne pr ot ect i on ar eas shal l be obt ai ned f r om t he access dr edgi ng f i r st , t hen f r om mai n- channel dr edgi ng wi t h pr i or i t y shown i n t he at t achment s at t he end of t hi s sect i on, and t hen f r om McMi l l an I s l and Dr edge Di sposal Ar ea per Speci f i cat i on 01 00 00. 00 13 GENERAL.

Mat er i al shal l have a maxi mum of 10 per cent by wei ght of mat er i al passi ng t he No. 200 US St andar d.

2. 1. 4 Const r uct i on Pads

Mat er i al f or Const r uct i on Pads must meet t he r equi r ement s f or gr anul ar f i l l .

SECTI ON 35 20 23 Page 6

2. 1. 5 Woody Mat er i al

Woody mat er i al i s def i ned as st umps, br anches, l ogs, and/ or r oot bal l s.

2. 1. 6 Aquat i c Veget at i on

Aquat i c veget at i on i s def i ned as al gae and ot her pl ankt on, f l oat i ng pl ant s, submer ged pl ant s, and emer gent pl ant s.

2. 2 CHARACTERI STI CS OF DREDGED MATERI AL

Soi l bor i ngs have been t aken and ar e i ncl uded i n t he dr awi ngs and i n t he at t achment s at t he end of t hi s speci f i cat i on. The bor i ngs i ndi cat e t he mat er i al condi t i ons at t hei r r espect i ve l ocat i ons at t he t i me t he bor i ng wer e compl et ed.

The Cont r act or i s r esponsi bl e f or maki ng i t s own det er mi nat i on as t o t he char act er i st i cs of t he exi st i ng mat er i al t o t he ext ent necessar y f or i t s own pur poses bef or e commenci ng excavat i on wor k.

Based on bor i ngs, f i ne mat er i al consi st s pr i mar i l y of s i l t s , c l ays, and or gani cs.

Based on past pr oj ect s, t he dr edge ar eas may cont ai n ot her mat er i al s i ncl udi ng, but not l i mi t ed t o, st ones, r ocks, r ubbl e, st eel bar r el s, wi r e r ope, sand bags, pl ast i c sheet i ng, st umps, t r ees and ot her debr i s. These ot her mat er i al s shal l be di sposed of as speci f i ed el sewher e.

2. 2. 1 Fi ne Fi l l

Fi ne f i l l mat er i al consi st s pr i mar i l y of s i l t t o f i ne ( c l ay) mat er i al .

Obt ai n f i ne f i l l f r om access dr edgi ng and habi t at dr edgi ng as l i s t ed i n Par agr aph: Fi ne Mat er i al and Gr anul ar Mat er i al , as needed t o meet t he cont r act dr awi ngs. Sat i sf act or y mat er i al meet s t he i nt ent of f i ne f i l l f or t opsoi l and may be used f or t hose f eat ur es as f i ne f i l l , wi t h except i ons i dent i f i ed i n Par agr aph: Sat i sf act or y Mat er i al s.

2. 2. 2 Gr anul ar Fi l l

Gr anul ar f i l l consi st s pr i mar i l y of f i ne t o medi um sand wi t h some gr avel wi t h l ess t han 10 % f i nes passi ng t he 200 US St andar d s i eve. Obt ai n gr anul ar f i l l f r om McMi l l an I s l and, access dr edgi ng, or f r om t he desi gnat ed bor r ow si t e( s) l i s t ed i n Par agr aph: Fi ne Mat er i al and Gr anul ar Mat er i al and shal l meet r equi r ement s of Par agr aph: Sat i sf act or y Mat er i al .

2. 2. 3 Random Fi l l

Random f i l l shal l be def i ned as mi ner al soi l s obt ai ned f r om access dr edgi ng t hat i s f r ee of i ce, snow, f r ozen ear t h, t r ash and debr i s t hat does not meet t he gr adat i on r equi r ement s of ei t her f i ne mat er i al or gr anul ar mat er i al .

2. 3 COMMUNI CATI ON

2. 3. 1 Pl ant Communi cat i on

The pl ant shal l be equi pped wi t h r adi os or cel l phones t o pr ovi de communi cat i on bet ween t he dr edge oper at or , t ender , ot her vessel s, and t he

SECTI ON 35 20 23 Page 7 cr ew at t he pl acement s i t e.

2. 3. 2 Mar i ne Tr af f i c Communi cat i on

The pl ant shal l be equi pped wi t h r adi os t o pr ovi de f or communi cat i ons bet ween t he pl ant and ot her passi ng vessel s. The Cont r act or shal l moni t or mar i ne r adi o channel s 13 and 16 and pr ovi de t o passi ng vessel s t i mel y i nf or mat i on on del ays and ot her s i t uat i ons cr eat ed by t he wor k, and r ecommended passi ng i nst r uct i ons.

2. 4 I NSPECTI ON BOAT

The Cont r act or shal l pr ovi de an i nspect i on boat wi t h an oper at or . The boat and oper at or shal l be avai l abl e f or t he dur at i on of t he wor k t o 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 wor k ar eas and dr edgi ng pl ant f or i nspect i ng, super vi s i ng and sur veyi ng t he wor k. The boat shal l conf or m t o t he appl i cabl e r equi r ement s of t he Cor ps of Engi neer s Saf et y and Occupat i onal Heal t h Requi r ement s EM 385- 1- 1. The boat and oper at or shal l al so be avai l abl e f or use by t he Gover nment or i t s desi gnee t o obt ai n sampl es f or t he wat er qual i t y moni t or i ng pr ogr am.

PART 3 EXECUTI ON

3. 1 GENERAL REQUI REMENTS

Dr edgi ng r egar dl ess of mat er i al encount er ed, shal l be per f or med wi t hi n t he l i nes and gr ades, and wi t hi n t he l i mi t s shown on t he dr awi ngs, unl ess ot her wi se appr oved by t he Cont r act i ng Of f i cer .

Access dr edgi ng shal l onl y be al l owed i f wat er l evel s do not per mi t di r ect access by t he Cont r act or ’ s equi pment t o a speci f i c dr edge ar ea. The use of access dr edgi ng shal l r equi r e t he appr oval of t he Cont r act i ng Of f i cer bef or e const r uct i on commences and shoul d be i ncl uded i n t he Access Dr edgi ng Pl an.

Dr edgi ng of Access Channel BL- 1 shal l r equi r e t he appr oval of t he Cont r act i ng Of f i cer and wi l l onl y be al l owed i f t he cont r act or ut i l i zes Bussey Lake l andi ng t o l oad r i p r ap mat er i al s t o t he pr oj ect f eat ur es.

Dr edged mat er i al shal l not be r ehandl ed i n t he wat er .

Pushi ng or nosi ng i nt o exi st i ng ber ms, i s l ands, or shal l ow ar eas wi t h mar i ne equi pment shal l be done onl y at s i t es appr oved by t he Cont r act i ng Of f i cer i n or der t o avoi d exi st i ng mussel beds as much as possi bl e.

The Cont r act or shal l per f or m pr e- and post - habi t at and access dr edgi ng sur veys accor di ng t o Sect i on 01 71 23. 05 13 CONTRACTOR SURVEYS. Dai l y r epor t f or ms wi l l be submi t t ed t o t he Cont r act i ng Of f i cer on a r egul ar basi s.

3. 2 DI SPOSAL OF WOODY MATERI AL ONSI TE

As appr oved by t he Cont r act i ng Of f i cer , t he Cont r act or shal l di spose of woody mat er i al encount er ed dur i ng dr edgi ng al ong t he edge of t he downst r eam si de of t he access channel s and/ or edge of habi t at dr edgi ng ar eas f or f i sher i es habi t at . The r emai ni ng downed t r ees shal l be di sposed i n accor dance wi t h SECTI ON 35 20 23. 40 13 PLACEMENT OF DREDGED AND

SECTI ON 35 20 23 Page 8

STOCKPI LED FI LL MATERI AL. St umps encount er ed dur i ng dr edgi ng oper at i ons can be pl aced al ong t he downst r eam edge of access channel s, except al ong t he access dr edge channel on t he sout h and west s i des of Abel I s l and, al ong t he shor el i ne of const r uct ed i s l ands or al ong t he edge of habi t at dr edge cut s.

3. 3 CONFI NED DI SPOSAL FACI LI TY ( CDF) BERMS

CDF Ber ms shal l be const r uct ed wi t hi n t he f oot pr i nt of t he par t i cul ar I s l and bei ng const r uct ed. Const r uct CDF Ber ms of mat er i al s i n accor dance wi t h appr oved Wor k and Excavat i on Pl an.

Ber m mat er i al s shal l gener al l y be const r uct ed wi t h ei t her gr anul ar mat er i al or dr i ed f i nes. Ot her mat er i al s, such as st r aw bal es may be used i f i ncl uded i n t he appr oved Wor k and Excavat i on Pl an. I f gr anul ar mat er i al s ar e used above t he pl an el evat i on of t he gr anul ar f i l l at any I s l and, t he gr anul ar f i l l shal l be r emoved t o 18 i nches bel ow t he Pl an f i ni shed gr ade of t he I s l and i n quest i on and r epl aced wi t h 18 i nches of dr edged f i ne f i l l ( t opsoi l ) .

Gr anul ar mat er i al t hat i s r emoved f r om CDF Ber ms shal l be st ockpi l ed and used f or ot her ar eas of t he pr oj ect as gr anul ar f i l l , or r emoved f r om t he pr oj ect s i t e.

3. 4 CONSTRUCTI ON PAD( S)

The const r uct i on pad( s) ( wher e shown) ar e not r equi r ed but may be necessar y f or pr oper pr osecut i on of wor k under t hi s cont r act and ar e at t he opt i on of t he Cont r act or . The Cont r act or may const r uct t he t empor ar y f eat ur e( s) onl y at t he l ocat i ons shown on t he cont r act dr awi ngs, i n accor dance wi t h SECTI ON 35 20 23. 40 13 PLACEMENT OF DREDGED AND STOCKPI LED FI LL MATERI AL, and as appr oved by t he Cont r act i ng Of f i cer .

I f t he Cont r act or chooses t o const r uct t he t empor ar y f eat ur e( s) shown on t he dr awi ngs, t he Cont r act or must r euse t he mat er i al on an i s l and. A spoi l s i t e f or t he t empor ar y f eat ur e mat er i al wi l l not be pr ovi ded by t he Gover nment . Cont r act or may el ect t o l eave a const r uct i on pad i n pl ace bet ween const r uct i on seasons but must f ol l ow t he pr ot ect i on r equi r ement s i n Sect i on 35 20 23. 40 13 Par agr aph 3. 11.

Const r uct i on Pad Removal Tol er ances:

Remove const r uct i on pads ( i f used) t o 0 f eet t o 0. 5 f eet above pr econst r uct i on dept hs.

3. 4. 1 Const r uct i on Pad f or SP- H4

Cont r act or may const r uct up t o 3 const r uct i on pads al ong f eat ur e SP- H4 wi t h pr i or Cont r act i ng Of f i cer appr oval .

3. 5 SLI DES

I n t he event of a s l i de i n an access channel or habi t at dr edge ar ea pr i or t o accept ance, r emove al l mat er i al as a r esul t of a s l i de t o exi st i ng condi t i ons and r ebui l d t hat por t i on of t he channel or habi t at ar ea si de cut at no addi t i onal cost t o t he Gover nment .

SECTI ON 35 20 23 Page 9

3. 6 TOLERANCES

Unl ess ot her wi se st at ed, t ol er ances f or dr edgi ng shal l be pl us or mi nus si x ( 6) i nches.

3. 7 PI PELI NES

Al l pi pel i nes shal l be i n accor dance wi t h t he suppl ement ar y condi t i on r equi r ement s f or OBSTRUCTI ON OF CHANNEL, and SI GNAL LI GHTS i n sect i on 00 73 00 of t he cont r act .

Fl oat i ng pi pel i nes shal l be l i ght ed i n accor dance t o Coast Guar d Regul at i ons and at a mi ni mum vi s i bl e f r om a di st ance of 2, 000 f eet at t he wat er l i ne.

Submer ged pi pel i nes shal l be mar ked i n accor dance t o Coast Guar d Regul at i ons.

Submer ged pi pel i nes shal l be adequat el y anchor ed t o r est on t he bot t om of t he channel wi t hout movi ng or l i f t i ng. The submer ged pi pe shal l be moni t or ed t o ensur e t hat adequat e hor i zont al and ver t i cal c l ear ances ar e bei ng mai nt ai ned.

I n t he mai n channel , a mi ni mum cl ear ance of 12' shal l be mai nt ai ned at al l t i mes, f r om t he Low Cont r ol Pool El evat i on t o t he t op of t he submer ged pi pel i ne, i ncl udi ng t he anchor s and bal l ast .

Pi pel i nes shal l not be per mi t t ed t o f l uct uat e bet ween t he wat er sur f ace and t he channel bot t om, or l i e par t i al l y submer ged.

Pi pel i nes shal l be of good qual i t y and sound mat er i al . Pi pel i nes shal l be mai nt ai ned i n good condi t i on and f r ee of damage t hr oughout t he dur at i on of t he wor k. I f a br eak or l eak occur s, di scont i nue dr edgi ng unt i l t he pi pel i ne i s r epai r ed. Al l di schar ged mat er i al due t o l eaks or br eaks shal l be r emoved and pl aced as di r ect ed by t he Cont r act i ng Of f i cer .

Al l anchor s and r el at ed mat er i al shal l be r emoved when t he submer ged pi pe i s r emoved.

3. 8 NAVI GATI ON

The Cont r act or shal l mi ni mi ze i nt er f er ence wi t h navi gat i on of commer ci al and r ecr eat i onal wat er cr af t . The dr edgi ng equi pment and pi pel i ne shal l not i nt er f er e wi t h bar ge t r af f i c .

The Cont r act or shal l f ur ni sh and mai nt ai n navi gat i on war ni ng si gns al ong t he pi pel i ne i n accor dance t o Coast Guar d Regul at i ons.

3. 9 PROTECTI ON OF STRUCTURES, UTI LI TI ES AND DREDGED AREAS

The Cont r act or shal l t ake al l necessar y pr ecaut i ons t o ensur e t he pr ot ect i on and st abi l i t y of pi er s, bul kheads, and ot her st r uct ur es wi t hi n or adj acent t o t he wor k.

The Cont r act or shal l i dent i f y and l ocat e al l pi pel i nes and ot her ut i l i t i es i n t he v i c i ni t y of t he wor k and t ake al l necessar y pr ecaut i ons t o ensur e t he pr ot ect i on of t hose ut i l i t i es. The Gover nment does not war r ant t hat ut i l i t y i nf or mat i on shown on t he dr awi ngs i s cur r ent or compl et e.

SECTI ON 35 20 23 Page 10

The Cont r act or shal l t ake al l necessar y pr ecaut i ons t o pr ot ect newl y cr eat ed access channel and habi t at s i de s l opes f r om er osi on. Pr i or t o accept ance, r epai r any ar eas t hat have er oded or s l i d due t o any r eason.

Re- est abl i sh t he gr ades, el evat i ons, and sl opes accor di ng t o t he dr awi ngs. Conduct al l wor k i n accor dance wi t h t he envi r onment al pr ot ect i on r equi r ement s of t he cont r act .

Cont r act or i s r esponsi bl e f or est abl i shi ng t empor ar y er osi on cont r ol bet ween const r uct i on seasons

3. 10 PLANT 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. 11 ATTACHMENTS

1990 Hi st or i c Bor i ng Logs

Lower Pool 10 HREP Bor r ow Sour ces f r om McMi l l an I s l and and Channel Dr edgi ng

SECTI ON 35 20 23 Page 11

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

SECTI ON 35 20 23. 40 13

PLACEMENT OF DREDGED AND STOCKPI LED FI LL MATERI AL

PART 1 GENERAL

1. 1 THE PLANT

1. 2 SUBMI TTALS

1. 3 EFFLUENT WATER QUALI TY

PART 2 PRODUCTS

2. 1 DEFI NI TI ONS

2. 1. 1 Sat i sf act or y Mat er i al s

2. 1. 2 Unsat i sf act or y Mat er i al s

2. 1. 3 Const r uct i on Pads

2. 2 MATERI ALS

2. 2. 1 Fi ne Fi l l ( Topsoi l )

2. 2. 2 Gr anul ar Fi l l

2. 2. 3 Random Fi l l

PART 3 EXECUTI ON

3. 1 GENERAL

3. 2 FOUNDATI ON SETTLEMENT AND DI SPLACEMENT

3. 3 FOUNDATI ON PREPARATI ON

3. 4 PLACEMENT

3. 4. 1 Di r ect i on of Wor k

3. 4. 2 Const r uct i on Pad( s)

3. 4. 3 Mat er i al Tr anspor t

3. 5 RANDOM FI LL

3. 6 COMPACTI ON

3. 6. 1 Gr anul ar Fi l l

3. 6. 2 Fi ne Fi l l

3. 7 TOLERANCES

3. 7. 1 Excess Mat er i al Out si de Tol er ances

3. 7. 2 Const r uct i on Pad Removal Tol er ances

3. 8 FI NI SHI NG

3. 9 MUD WAVE

3. 10 SLI DES

3. 11 PROTECTI ON

3. 12 ATTACHMENTS

SECTI ON 35 20 23. 40 13 Page 1

SECTI ON 35 20 23. 40 13

PLACEMENT OF DREDGED AND STOCKPI LED FI LL MATERI AL

PART 1 GENERAL

Thi s sect i on cover s f i l l i ng, gr adi ng and ot her r el at ed wor k f or t he pl acement of gr anul ar f i l l obt ai ned f r om channel dr edgi ng and f i ne f i l l obt ai ned f r om access and habi t at dr edgi ng.

1. 1 THE PLANT

The pl ant i s def i ned as al l mar i ne and l and based equi pment necessar y t o accompl i sh t he wor k.

The pl ant shal l be subj ect t o t he i nspect i on of t he Cont r act i ng Of f i cer at al l t i mes. The Cont r act or i s r esponsi bl e f or super vi s i on and di r ect i on of pl acement oper at i ons, i ncl udi ng t he saf e and ef f i c i ent oper at i on of t he pl ant . The Cont r act or shal l mai nt ai n t he pl ant t o meet t he r equi r ement s of t he wor k. Submi t i nf or mat i on on al l t he pl ant equi pment t o be used f or t he pl acement of al l f i l l mat er i al s.

1. 2 SUBMI TTALS

Gover nment appr oval i s r equi r ed f or submi t t al s wi t h a " 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

Pl ant Equi pment ; G

Submi t i nf or mat i on on al l t he pl ant equi pment t o be used f or t he pl acement of al l f i l l mat er i al s.

Wor k and Pl acement Pl an; G

Submi t t he Wor k and Pl acement Pl an det ai l i ng t he pl acement and mat er i al handl i ng f or al l oper at i ons i ncl udi ng t he f ol l owi ng:

1. The pl acement and/ or di sposal of excess mat er i al f r om access dr edgi ng.

2. Const r uct i on Pads and St agi ng Ar eas - Pr oposed l ocat i on, di mensi ons, and r emoval .

3. Schedul e - Sequence of wor k wi t h t i me l i ne.

4. Tempor ar y St r uct ur es.

5. The Cont r act or shal l devel op a dr edge mat er i al pl acement and cont ai nment pl an f or pl acement of dr edge mat er i al al ong wi t h a

SECTI ON 35 20 23. 40 13 Page 2 wat er qual i t y pl an f or ar eas pl aced usi ng hydr aul i c dr edgi ng and submi t f or Gover nment Appr oval .

Pr epar e t he pl an i n conj unct i on wi t h t he wor k and excavat i on pl an and wat er qual i t y pl an and submi t as one package f or Gover nment r evi ew.

Wat er Qual i t y Pl an; G

The Cont r act or shal l pr epar e a pl an i n accor dance wi t h Par agr aph:

EFFLUENT WATER QUALI TY

1. 3 EFFLUENT WATER QUALI TY

The Cont r act or i s r equi r ed t o meet t he wat er qual i t y st andar ds as st at ed i n t he St at e of I owa SECTI ON 401 WATER QUALI TY CERTI FI CATI ON f or dr edgi ng and pl acement of f i ne f i l l , whet her obt ai ned by mechani cal or hydr aul i c dr edgi ng met hods.

Thi s per mi t i s l ocat ed i n Sect i on 01 57 20. 00 13 ENVI RONMENTAL PROTECTI ON. The Cont r act or shal l submi t f or appr oval a Wat er Qual i t y Pl an addr essi ng t he r equi r ement s of t he per mi t .

Hydr aul i c car r i age wat er sampl i ng, t est i ng and moni t or i ng r equi r ement s and ef f l uent l i mi t at i ons must be met i n accor dance wi t h t he f ol l owi ng t abl e:

Li mi t f or : Met at : Lab Sampl e Fr equency On Si t e Sampl e Fr equency

200 mg/ l TSS Di schar ge f r om out f al l st r uct ur e or di schar ge f r om cont ai nment cel l

3x/ week, r epor t ed weekl y i n wr i t i ng ( anal yze sampl es wi t hi n 5 days f r om col l ect i on)

Dai l y set t l i ng t est t o be conduct ed when di schar gi ng

* Set t l i ng t est uses 100 mL of car r i age wat er i n gr aduat ed cyl i nder , aci di f i ed t o pH of 3

Submi t f or appr oval a wat er Qual i t y Pl an Addr essi ng t he wat er qual i t y r equi r ement s of t he per mi t s. Car r i age wat er di schar ge associ at ed wi t h cont ai nment cel l ef f l uent s must be moni t or ed f or t ot al suspended sol i ds.

Repor t moni t or i ng r esul t s t o t he Cont r act i ng Of f i cer i n wr i t i ng on a weekl y basi s.

The Cont r act or i s r esponsi bl e f or al l sampl i ng, t est i ng and r epor t i ng of wat er qual i t y l i mi t s as st at ed i n t he per mi t .

Pr i or t o di schar gi ng t he hydr aul i c dr edgi ng car r i age wat er f r om t he si t e, t he Cont r act or i s r equi r ed t o meet t he ef f l uent wat er qual i t y st andar ds as st at ed i n t hi s per mi t . Car r i age wat er di schar ge shal l cease i mmedi at el y dur i ng per i ods when ef f l uent wat er qual i t y st andar ds ar e obvi ousl y not bei ng achi eved.

PART 2 PRODUCTS

2. 1 DEFI NI TI ONS

2. 1. 1 Sat i sf act or y Mat er i al s

Sat i sf act or y mat er i al s shal l be of a char act er and qual i t y appr opr i at e f or

SECTI ON 35 20 23. 40 13 Page 3 t he pur pose i nt ended. Sat i sf act or y mat er i al shal l be f r ee of i ce, snow, f r ozen ear t h, t r ash, aquat i c veget at i on, and debr i s.

2. 1. 2 Unsat i sf act or y Mat er i al s

Mat er i al s whi ch do not compl y wi t h t he r equi r ement s f or sat i sf act or y mat er i al s ar e unsat i sf act or y. Unsat i sf act or y mat er i al s al so i ncl ude man- made f i l l s , t r ash, r ef use; backf i l l s f r om pr evi ous const r uct i on; and mat er i al c l assi f i ed as sat i sf act or y whi ch cont ai ns r oot and ot her or gani c mat er i al or f r ozen mat er i al .

2. 1. 3 Const r uct i on Pads

Mat er i al f or Const r uct i on Pads shal l meet t he r equi r ement s f or gr anul ar f i l l .

2. 2 MATERI ALS

2. 2. 1 Fi ne Fi l l ( Topsoi l )

Fi ne f i l l shal l consi st of sat i sf act or y f i ne mat er i al as descr i bed i n Sect i on 35 20 23 DREDGI NG.

2. 2. 2 Gr anul ar Fi l l

Gr anul ar f i l l shal l consi st of sat i sf act or y gr anul ar mat er i al obt ai ned f r om t he desi gnat ed McMi l l an I s l and and channel dr edgi ng si t es f or gr anul ar f i l l . Gr anul ar f i l l consi st s pr i mar i l y of f i ne t o medi um sand wi t h some gr avel , wi t h l ess t han 10% f i nes passi ng a No. 200 US St andar d Si eve.

2. 2. 3 Random Fi l l

Random f i l l shal l be def i ned as mi ner al soi l s obt ai ned f r om access dr edgi ng t hat i s f r ee of i ce, snow, f r ozen ear t h, t r ash and debr i s t hat does not meet t he gr adat i on r equi r ement s of ei t her f i ne mat er i al or gr anul ar mat er i al .

PART 3 EXECUTI ON

3. 1 GENERAL

Pl acement of f i l l shal l be per f or med t o t he l i nes and gr ades, and t o t he l i mi t s shown on t he dr awi ngs.

3. 2 FOUNDATI ON SETTLEMENT AND DI SPLACEMENT

Si gni f i cant set t l ement and di spl acement i s expect ed i n most f i l l ar eas.

The Cont r act or shal l r epor t t o t he Cont r act i ng Of f i cer any sof t condi t i ons di scover ed dur i ng t he pr e- const r uct i on sur vey and/ or af t er r evi ew of exi st i ng bor i ngs t hat val i dat e or i nval i dat e set t l ement and di spl acement assumpt i ons.

3. 3 FOUNDATI ON PREPARATI ON

Pr i or t o t he pl acement of f i l l , c l ear t he f oundat i on ar ea of woody mat er i al t hat coul d pr event pr oper pl acement of f i l l . Thi s may i ncl ude dead t r ees and/ or l i ve t r ees on t he edge of a pr oj ect f eat ur e. Al l woody

SECTI ON 35 20 23. 40 13 Page 4 mat er i al r equi r i ng r emoval f or const r uct i on of a f eat ur e must be r emoved and di sposed of f s i t e. As an al t er nat i ve t o of f s i t e t r ee di sposal , f r eshl y f el l ed or on- si t e t r ee t r unks t hat ar e not r ot t en can be ut i l i zed wi t hi n habi t at dr edgi ng ar eas t o cr eat e t r ee pi l i ng l oaf i ng st r uct ur es, at no addi t i onal cost t o t he gover nment . These ver t i cal t r ee st r uct ur es pr ovi de essent i al habi t at and suppor t f or var i ous wi l dl i f e speci es, par t i cul ar l y f i sh. Tr ee pi l i ngs must be i nst al l ed ver t i cal l y i nt o t he habi t at dr edge subst r at e t o ensur e st abi l i t y and pr event movement or l eani ng. I ndi v i dual pi l i ngs must be spaced appr oxi mat el y t hr ee f eet apar t , wi t h l oaf i ng st r uct ur es pl aced at l east 25 f eet f r om habi t at dr edgi ng benches and 75 f eet f r om adj acent l oaf i ng st r uct ur es. Coor di nat i on wi t h t he Cont r act i ng Of f i cer f or sui t abl e l ocat i ons i s r equi r ed t o ensur e pr oper pl acement of t r ee pi l i ngs. Tr ee pi l i ngs must adher e t o speci f i c el evat i on gui del i nes, wi t h cent er pi l i ngs pl aced bet ween 612. 8’ –614. 8’ ( 3’ –5’ above LCP) and shor t pi l i ngs bet ween 605. 8’ –607. 8’ ( 2’ –4’ bel ow LCP) . Pl acement wi t hi n t he habi t at dr edgi ng ar eas wi l l onl y be al l owed when al l dr edgi ng i s compl et e and ver i f i ed by sur vey and appr oved by t he Cont r act i ng Of f i cer .

Exampl es of pl acement wi t hi n habi t at dr edgi ng ar eas ar e pr ovi ded i n t he At t achment s t o t hi s sect i on. Por t i ons of l ar ger t r ee l i mbs may be r et ai ned f or pi l i ng pl acement , pr ovi ded t hey do not compr omi se t he i nt egr i t y of t he l oaf i ng st r uct ur es.

To pr omot e nat ur al r eveget at i on, t he Cont r act i ng Of f i cer may al l ow cer t ai n t r ees t o r emai n. Root s may be l ef t i nt act and i n pl ace. Al l veget at i on shal l be c l ear ed wher e set t l ement / di spl acement gages ar e t o be pl aced.

3. 4 PLACEMENT

3. 4. 1 Di r ect i on of Wor k

The Cont r act i ng Of f i cer may r equi r e t he speci f i c or der of pl acement of f i l l mat er i al t o af f ect a pr oper di sposi t i on t hat i s consi st ent wi t h envi r onment al const r ai nt s and wat er qual i t y st andar ds.