TE 09- Division 03 - Concrete.pdf

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PLANT- PRECAST CONCRETE PRODUCTS FOR BELOW GRADE CONSTRUCTI ON

05/16

PART 1 GENERAL

1. 1 REFERENCES

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

AMERI CAN CONCRETE I NSTI TUTE ( ACI )

ACI 211. 1 ( 1991; R 2009) St andar d Pr act i ce f or Sel ect i ng Pr opor t i ons f or Nor mal , Heavywei ght and Mass Concr et e

ACI 211. 2 ( 1998; R 2004) St andar d Pr act i ce f or Sel ect i ng Pr opor t i ons f or St r uct ur al Li ght wei ght Concr et e

ACI 305R ( 2010) Gui de t o Hot Weat her Concr et i ng

ACI 306. 1 ( 1990; R 2002) St andar d Speci f i cat i on f or Col d Weat her Concr et i ng

ACI 318 ( 2014; Er r at a 1- 2 2014; Er r at a 3- 5 2015;

Er r at a 6 2016; Er r at a 7- 9 2017) Bui l di ng Code Requi r ement s f or St r uct ur al Concr et e ( ACI 318- 14) and Comment ar y ( ACI 318R- 14)

AMERI CAN CONCRETE PI PE ASSOCI ATI ON ( ACPA)

ACPA 01- 102 ( 2000) Concr et e Pi pe Handbook

ACPA 01- 110 ( 1984) Desi gn Manual f or Sul f i de and Cor r osi on Pr edi ct i on and Cont r ol

ACPA QPC ( 202016) QCast Pl ant Cer t i f i cat i on Manual

AMERI CAN WELDI NG SOCI ETY ( AWS)

AWS D1. 1/ D1. 1M ( 2015; Er r at a 1 2015; Er r at a 2 2016) St r uct ur al Wel di ng Code - St eel

AWS D1. 4/ D1. 4M ( 2011) St r uct ur al Wel di ng Code - Rei nf or c i ng St eel

ASTM I NTERNATI ONAL ( ASTM)

ASTM A36/ A36M ( 2014) St andar d Speci f i cat i on f or Car bon St r uct ur al St eel

ASTM A153/ A153M ( 2016) St andar d Speci f i cat i on f or Zi nc Coat i ng ( Hot - Di p) on I r on and St eel

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Hardware

ASTM A615/ A615M ( 2016) St andar d Speci f i cat i on f or Def or med and Pl ai n Car bon- St eel Bar s f or Concr et e Reinforcement

ASTM A706/ A706M ( 2016) St andar d Speci f i cat i on f or Low- Al l oy St eel Def or med and Pl ai n Bar s f or Concr et e Rei nf or cement

ASTM A767/ A767M ( 2016) St andar d Speci f i cat i on f or Zi nc- Coat ed ( Gal vani zed) St eel Bar s f or Concr et e Rei nf or cement

ASTM A775/ A775M ( 2017) St andar d Speci f i cat i on f or Epoxy- Coat ed St eel Rei nf or c i ng Bar s

ASTM A884/ A884M ( 2019) St andar d Speci f i cat i on f or Epoxy- Coat ed St eel Wi r e and Wel ded Wi r e Reinforcement

ASTM A1064/ A1064M ( 2017) St andar d Speci f i cat i on f or Car bon- St eel Wi r e and Wel ded Wi r e Rei nf or cement , Pl ai n and Def or med, f or Concrete

ASTM C31/ C31M ( 2019) St andar d Pr act i ce f or Maki ng and Cur i ng Concr et e Test Speci mens i n t he Fi el d

ASTM C39/ C39M ( 2018) St andar d Test Met hod f or Compr essi ve St r engt h of Cyl i ndr i cal Concr et e Speci mens

ASTM C138/ C138M ( 2017a) St andar d Test Met hod f or Densi t y ( Uni t Wei ght ) , Yi el d, and Ai r Cont ent ( Gr avi met r i c) of Concr et e

ASTM C143/ C143M ( 2015) St andar d Test Met hod f or Sl ump of Hydr aul i c- Cement Concr et e

ASTM C171 ( 2016) St andar d Speci f i cat i on f or Sheet Mat er i al s f or Cur i ng Concr et e

ASTM C173/ C173M ( 2016) St andar d Test Met hod f or Ai r Cont ent of Fr eshl y Mi xed Concr et e by t he Vol umet r i c Met hod

ASTM C192/ C192M ( 2018) St andar d Pr act i ce f or Maki ng and Cur i ng Concr et e Test Speci mens i n t he Laboratory

ASTM C231/ C231M ( 2017a) St andar d Test Met hod f or Ai r Cont ent of Fr eshl y Mi xed Concr et e by t he Pr essur e Met hod

ASTM C309 ( 2011) St andar d Speci f i cat i on f or Li qui d Membr ane- For mi ng Compounds f or Cur i ng Concrete

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ASTM C443 ( 2012; R 2017) St andar d Speci f i cat i on f or Joi nt s f or Concr et e Pi pe and Manhol es, Usi ng Rubber Gasket s

ASTM C857 ( 2016) St andar d Pr act i ce f or Mi ni mum St r uct ur al Desi gn Loadi ng f or Under gr ound Pr ecast Concr et e Ut i l i t y St r uct ur es

ASTM C858 ( 2010; E 2012) St andar d Speci f i cat i on f or Under gr ound Pr ecast Concr et e Ut i l i t y Structures

ASTM C877 ( 2008) Ext er nal Seal i ng Bands f or Concr et e Pi pe, Manhol es, and Pr ecast Box Sect i ons

ASTM C891 ( 2011) I nst al l at i on of Under gr ound Pr ecast Concr et e Ut i l i t y St r uct ur es

ASTM C920 ( 2018) St andar d Speci f i cat i on f or El ast omer i c Joi nt Seal ant s

ASTM C923 ( 2008; R 2013; E 2016) St andar d Speci f i cat i on f or Resi l i ent Connect or s Bet ween Rei nf or ced Concr et e Manhol e St r uct ur es, Pi pes and Lat er al s

ASTM C990 ( 2009; R 2014) St andar d Speci f i cat i on f or Joi nt s f or Concr et e Pi pe, Manhol es and Pr ecast Box Sect i ons Usi ng Pr ef or med Fl exi bl e Joi nt Seal ant s

ASTM C1064/ C1064M ( 2017) St andar d Test Met hod f or Temper at ur e of Fr eshl y Mi xed Hydr aul i c- Cement Concr et e

ASTM C1107/ C1107M ( 2017) St andar d Speci f i cat i on f or Packaged Dr y, Hydr aul i c- Cement Gr out ( Nonshr i nk)

ASTM C1116/ C1116M ( 2010a; R 2015) St andar d Speci f i cat i on f or Fi ber - Rei nf or ced Concr et e

ASTM C1244 ( 2011; R 2017) St andar d Test Met hod f or Concr et e Sewer Manhol es by t he Negat i ve Ai r Pr essur e ( Vacuum) Test Pr i or t o Backfill

ASTM C1478 ( 2019) St andar d Speci f i cat i on f or St or m Dr ai n Resi l i ent Connect or s Bet ween Rei nf or ced Concr et e St or m Sewer St r uct ur es, Pi pes and Lat er al s

CSA GROUP ( CSA)

CSA A23. 4 ( 2016; Er r at a 2016) Pr ecast Concr et e - Mat er i al s and Const r uct i on

NATI ONAL PRECAST CONCRETE ASSOCI ATI ON ( NPCA)

NPCA QC Manual ( 2017) Qual i t y Cont r ol Manual f or Pr ecast

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1. 2 SUBMITTALS

Al l submi t t al s ar e t he r esponsi bi l i t y of t he pr ecast concr et e pr oducer .

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 al s wi t h an " S" ar e f or i ncl usi on i n t he Sust ai nabi l i t y eNot ebook, i n conf or mance t o Sect i on 01 33 29 SUSTAI NABI LI TY REPORTI NG. 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

Qual i t y Cont r ol Pr ocedur es

SD- 02 Shop Dr awi ngs

St andar d Pr ecast Uni t s; G Cust om- Made Pr ecast Uni t s; G Speci al Fi ni shes

SD- 03 Pr oduct Dat a

St andar d Pr ecast Uni t s Pr opr i et ar y Pr ecast Uni t s Embedded I t ems Accessories

SD- 05 Desi gn Dat a

Desi gn Cal cul at i ons; G Concr et e Mi x Pr opor t i ons

SD- 06 Test Repor t s

Test Repor t s

SD- 07 Cer t i f i cat es

Qual i t y Cont r ol Pr ocedur es

SD- 11 Cl oseout Submi t t al s

Recycl ed cont ent f or f l y ash and pozzol an; S Recycl ed cont ent f or Gr ound I r on Bl ast - Fur nace Sl ag; S Recycl ed cont ent f or Si l i ca Fume; S Recycl ed cont ent f or Synt het i c Fi ber Rei nf or cement ; S Recycl ed cont ent f or st eel ; S

1. 3 QUALI TY ASSURANCE

Demonst r at e adher ence t o t he st andar ds set f or t h i n NPCA QC Manual or ACPA QPC. Meet r equi r ement s wr i t t en i n t he subpar agr aphs bel ow.

1. 3. 1 NPCA and ACPA Pl ant Cer t i f i cat i on

The pr ecast concr et e pr oducer must be cer t i f i ed by t he Nat i onal Pr ecast

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Concr et e Associ at i on' s or t he Amer i can Concr et e Pi pe Associ at i on' s Pl ant Cer t i f i cat i on Pr ogr am pr i or t o and dur i ng pr oduct i on of t he pr oduct s f or t hi s pr oj ect .

1. 3. 2 Qual i f i cat i ons, Qual i t y Cont r ol and I nspect i on

1. 3. 2. 1 Qualifications

Sel ect a pr ecast concr et e pr oducer t hat has been i n t he busi ness of pr oduci ng pr ecast concr et e uni t s s i mi l ar t o t hose speci f i ed f or a mi ni mum of 3 year s. The pr ecast concr et e pr oducer must mai nt ai n a per manent qual i t y cont r ol depar t ment or r et ai n an i ndependent t est i ng agency on a cont i nui ng basi s.

1. 3. 2. 2 Qual i t y Cont r ol Pr ocedur es

Submi t qual i t y cont r ol pr ocedur es est abl i shed by t he pr ecast manuf act ur er i n accor dance wi t h NPCA QC Manual and ACPA QPC. Show t hat t he f ol l owi ng QC t est s ar e per f or med as r equi r ed and i n accor dance wi t h t he ASTM st andar ds indicated.

1. 3. 2. 2. 1 Slump

Per f or m a s l ump t est f or each 150 cu yd of concr et e pr oduced, or once a day, whi chever comes f i r st . Per f or m sl ump t est s i n accor dance wi t h

ASTM C143/ C143M.

1. 3. 2. 2. 2 Temperature

Measur e t he t emper at ur e of f r esh concr et e when sl ump or ai r cont ent t est s ar e made and when compr essi ve t est speci mens ar e made i n accor dance wi t h

ASTM C1064/ C1064M.

1. 3. 2. 2. 3 Compr essi ve St r engt h

Make at l east f our compr essi ve st r engt h speci mens f or each 150 cubi c yar ds of concr et e of each mi x i n accor dance wi t h t he f ol l owi ng St andar ds:

ASTM C31/ C31M, ASTM C192/ C192M, ASTM C39/ C39M.

1. 3. 2. 2. 4 Ai r Cont ent

Per f or m t est s f or ai r cont ent on ai r - ent r ai ned, wet - cast concr et e f or each 150 cu yd of concr et e, but not l ess of t en t han once each day when ai r - ent r ai ned concr et e i s used. Det er mi ne t he ai r cont ent i n accor dance wi t h ei t her ASTM C231/ C231M or ASTM C173/ C173M f or nor mal wei ght aggr egat es and ASTM C173/ C173M f or l i ght wei ght aggr egat es.

1. 3. 2. 2. 5 Uni t Wei ght

Per f or m t est s f or uni t wei ght a mi ni mum of once per week t o ver i f y t he y i el d of bat ch mi xes. Per f or m uni t wei ght t est s f or each 100 cu yd of l i ght wei ght concr et e i n accor dance wi t h ASTM C138/ C138M.

1. 3. 2. 3 Inspection

The Cont r act i ng Of f i cer may pl ace an i nspect or i n t he pl ant when t he uni t s cover ed by t hi s speci f i cat i on ar e bei ng manuf act ur ed. The bur den of payment f or pl ant i nspect i on wi l l be c l ear l y det ai l ed i n t he speci f i cat i on. The pr ecast concr et e pr oducer must gi ve not i ce 14 days

SECTI ON 03 42 13. 00 10 Page 5 pr i or t o t he t i me t he uni t s wi l l be avai l abl e f or pl ant i nspect i on.

Nei t her t he exer ci se nor wai ver of i nspect i on at t he pl ant wi l l af f ect t he Gover nment ' s r i ght t o enf or ce cont r act ual pr ovi s i ons af t er uni t s ar e t r anspor t ed or er ect ed.

1. 3. 2. 4 Test Repor t s

Submi t t he f ol l owi ng:

1. 3. 2. 4. 1 Mat er i al Cer t i f i cat i ons or Labor at or y Test Repor t s

I ncl ude mi l l t est s and al l ot her t est dat a, f or por t l and cement , bl ended cement , pozzol ans, gr ound gr anul at ed bl ast f ur nace sl ag, s i l i ca f ume, aggr egat e, admi xt ur es, and cur i ng compound pr oposed f or use on t hi s pr oj ect .

1. 3. 2. 4. 2 Mi x Test

Submi t r epor t s showi ng t hat t he mi x has been successf ul l y t est ed t o pr oduce concr et e wi t h t he pr oper t i es speci f i ed and wi l l be sui t abl e f or t he j ob condi t i ons. Such t est s may i ncl ude compr essi ve st r engt h, f l exur al st r engt h, pl ast i c or har dened ai r cont ent , f r eeze t haw dur abi l i t y , abr asi on and absor pt i on. Cl ear l y det ai l i n t he speci f i cat i ons speci al t est s f or pr ecast concr et e or cast - i n i t ems.

1. 3. 2. 4. 3 Sel f - Consol i dat i ng Concr et e

Submi t suf f i c i ent document at i on, when t he use of sel f - consol i dat i ng concr et e ( SCC) i s pr oposed, showi ng a mi ni mum of 30- days pr oduct i on t r ack r ecor ds demonst r at i ng t hat SCC i s appr opr i at e f or cast i ng of t he pr oduct .

1. 3. 2. 4. 4 I n- Pl ant QA/ QC I nspect i on Repor t s

Submi t i nspect i on r epor t s upon t he r equest of t he Cont r act i ng Of f i cer .

1. 4 DELI VERY, STORAGE, AND HANDLI NG

1. 4. 1 Delivery

Del i ver pr ecast uni t s t o t he s i t e i n accor dance wi t h t he del i ver y schedul e t o avoi d excessi ve bui l d- up of uni t s i n st or age at t he s i t e. Upon del i ver y t o t he j obsi t e, al l pr ecast concr et e uni t s wi l l be i nspect ed by t he Cont r act i ng Of f i cer f or qual i t y and f i nal accept ance.

1. 4. 2 Storage

St or e uni t s of f t he gr ound or i n a manner t hat mi ni mi zes pot ent i al damage.

1. 4. 3 Handling

Handl e, t r anspor t , and st or e pr oduct s i n a manner t o mi ni mi ze damage.

Li f t i ng devi ces or hol es must be consi st ent wi t h i ndust r y st andar ds.

Per f or m l i f t i ng wi t h met hods or devi ces i nt ended f or t hi s pur pose as i ndi cat ed on shop dr awi ngs.

PART 2 PRODUCTS

2. 1 SYSTEM DESCRI PTI ON

Fur ni sh pr ecast concr et e uni t s desi gned and f abr i cat ed by an exper i enced

SECTI ON 03 42 13. 00 10 Page 6 and accept abl e pr ecast concr et e manuf act ur er who has been, f or at l east t hr ee year s, r egul ar l y and cont i nuousl y engaged i n t he manuf act ur e of pr ecast concr et e wor k s i mi l ar t o t hat i ndi cat ed on t he dr awi ngs.

Coor di nat e pr ecast wor k wi t h t he wor k of ot her t r ades. Bel ow gr ade st r uct ur es must compl y wi t h ASTM C858.

2. 1. 1 St andar d Pr ecast Uni t s

Desi gn st andar d pr ecast concr et e uni t s t o wi t hst and i ndi cat ed desi gn l oad condi t i ons i n accor dance wi t h appl i cabl e i ndust r y desi gn st andar ds ACI 318, ASTM C857, and ACPA 01- 102, Chapt er 7- Desi gn f or Sul f i de Cont r ol . Desi gn must al so consi der st r esses i nduced dur i ng handl i ng, shi ppi ng and i nst al l at i on as t o avoi d pr oduct cr acki ng or ot her handl i ng damage.

I ndi cat e desi gn l oads f or pr ecast concr et e uni t s on t he shop dr awi ngs.

Submi t dr awi ngs f or st andar d pr ecast concr et e uni t s f ur ni shed by t he pr ecast concr et e pr oducer f or appr oval by t he Cont r act i ng Of f i cer . These dr awi ngs must demonst r at e t hat t he appl i cabl e i ndust r y desi gn st andar ds have been met . I ncl ude i nst al l at i on and const r uct i on i nf or mat i on on shop dr awi ngs. I ncl ude det ai l s of st eel r ei nf or cement s i ze and pl acement as wel l as suppor t i ng desi gn cal cul at i ons, i f appr opr i at e. Pr oduce pr ecast concr et e uni t s i n accor dance wi t h t he appr oved dr awi ngs. Submi t cut sheet s, f or st andar d pr ecast concr et e uni t s, showi ng conf or mance t o pr oj ect dr awi ngs and r equi r ement s, and t o appl i cabl e i ndust r y desi gn st andar ds l i s t ed i n t hi s speci f i cat i on.

2. 1. 2 Cust om- Made Pr ecast Uni t s

Submi t desi gn cal cul at i ons f or cust om- made pr ecast uni t s, pr epar ed and seal ed by a r egi st er ed pr of essi onal engi neer , f or appr oval pr i or t o f abr i cat i on. I ncl ude i n t he cal cul at i ons t he anal ysi s of uni t s f or l i f t i ng st r esses and t he s i z i ng of l i f t i ng devi ces. Submi t dr awi ngs f ur ni shed by t he pr ecast concr et e pr oducer f or appr oval by t he Cont r act i ng Of f i cer .

Show on t hese dr awi ngs compl et e desi gn, i nst al l at i on, and const r uct i on i nf or mat i on i n such det ai l as t o enabl e t he Cont r act i ng Of f i cer t o det er mi ne t he adequacy of t he pr oposed uni t s f or t he i nt ended pur pose.

I ncl ude det ai l s of st eel r ei nf or cement s i ze and pl acement as wel l as suppor t i ng desi gn cal cul at i ons, i f appr opr i at e. Pr oduce pr ecast concr et e uni t s i n accor dance wi t h t he appr oved dr awi ngs.

2. 1. 3 Pr opr i et ar y Pr ecast Uni t s

Pr oduct s manuf act ur ed under f r anchi se ar r angement s must conf or m t o al l t he r equi r ement s speci f i ed by t he f r anchi ser . I t ems not i ncl uded i n t he f r anchi se speci f i cat i on, but i ncl uded i n t hi s speci f i cat i on, must conf or m t o t he r equi r ement s i n t hi s speci f i cat i on. Submi t st andar d pl ans or i nf or mat i ve l i t er at ur e, f or pr opr i et ar y pr ecast concr et e uni t s. Make avai l abl e suppor t i ng cal cul at i ons and desi gn det ai l s upon r equest . Pr ovi de suf f i c i ent i nf or mat i on as t o demonst r at e t hat such pr oduct s wi l l per f or m t he i nt ended t ask.

2. 1. 4 Joi nt s and Seal ant s

Pr ovi de j oi nt s and seal ant s bet ween adj acent uni t s of t he t ype and conf i gur at i on i ndi cat ed on shop dr awi ngs meet i ng speci f i ed desi gn and per f or mance r equi r ement s.

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2. 1. 5 Concr et e Mi x Desi gn

2. 1. 5. 1 Concr et e Mi x Pr opor t i ons

Base sel ect i on of pr opor t i ons f or concr et e on t he met hodol ogy pr esent ed i n ACI 211. 1 f or nor mal wei ght concr et e and ACI 211. 2 f or l i ght wei ght concr et e. Devel op t he concr et e pr opor t i ons usi ng t he same t ype and br and of cement , t he same t ype and br and of pozzol an, t he same t ype and gr adat i on of aggr egat es, and t he same t ype and br and of admi xt ur e t hat wi l l be used i n t he manuf act ur e of pr ecast concr et e uni t s f or t he pr oj ect . Do not use cal c i um chl or i de i n pr ecast concr et e cont ai ni ng r ei nf or c i ng st eel or ot her embedded met al i t ems. At a mi ni mum of t hi r t y days pr i or t o pr ecast concr et e uni t manuf act ur i ng, t he pr ecast concr et e pr oducer wi l l submi t a mi x desi gn and pr opor t i ons f or each st r engt h and t ype of concr et e t hat wi l l be used. Fur ni sh a compl et e l i s t of mat er i al s, i ncl udi ng quant i t y, t ype, br and and appl i cabl e dat a sheet s f or al l mi x desi gn const i t uent s as wel l as appl i cabl e r ef er ence speci f i cat i ons. The use of sel f - consol i dat i ng concr et e i s per mi t t ed, pr ovi ded t hat mi x desi gn pr opor t i ons and const i t uent s meet t he r equi r ement s of t hi s speci f i cat i on.

2. 1. 5. 2 Concr et e St r engt h

Pr ovi de pr ecast concr et e uni t s wi t h a 28- day compr essi ve st r engt h ( f ' c) of 4, 500 psi .

2. 1. 5. 3 Wat er - t o- Cement Rat i o

Wher e exposed t o f r eezi ng and t hawi ng, f ur ni sh concr et e cont ai ni ng ent r ai ned ai r and wi t h a wat er - cement i t i ous r at i o of 0. 45 or l ess. Wher e not exposed t o f r eezi ng, but r equi r ed t o have a l ow per meabi l i t y , f ur ni sh concr et e wi t h a wat er - cement i t i ous r at i o of 0. 48 or l ess. Wher e exposed t o dei cer sal t s, br acki sh wat er , or seawat er , f ur ni sh concr et e wi t h a wat er - cement i t i ous r at i o of 0. 40 or l ess, f or cor r osi on pr ot ect i on.

2. 1. 5. 4 Ai r Cont ent

The ai r cont ent of concr et e t hat wi l l be exposed t o f r eezi ng condi t i ons must be wi t hi n t he l i mi t s gi ven bel ow.

AI R CONTENT PERCENT

NOMI NAL MAXI MUM AGGREGATE SI ZE EXPOSURE CLASS F1 EXPOSURE CLASSES F2

and F3

3/ 8 i nch 6.0 7.5

1/ 2 i nch 5.5 7.0

3/ 4 i nch 5.0 6.0

1. 0 i nch 4.5 6.0

1. 5 i nch 4.5 5.5

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AI R CONTENT PERCENT

NOMI NAL MAXI MUM AGGREGATE SI ZE EXPOSURE CLASS F1 EXPOSURE CLASSES F2

and F3

Not e: For speci f i ed compr essi ve st r engt hs gr eat er t han 5000 psi , ai r cont ent may be r educed 1 per cent

2. 1. 5. 5 Cor r osi on Cont r ol f or Sani t ar y Sewer Syst ems

Fol l ow desi gn r ecommendat i ons out l i ned i n Chapt er 7 of ACPA 01- 102 or t he ACPA 01- 110 when hydr ogen sul f i de i s i ndi cat ed as a pot ent i al pr obl em.

2. 2 MATERIALS

Except as ot her wi se speci f i ed i n t he f ol l owi ng par agr aphs, conf or m mat er i al t o Sect i on 03 30 00 CAST- I N- PLACE CONCRETE.

2. 2. 1 Mat er i al Sust ai nabi l i t y Cr i t er i a

For pr oduct s i n t hi s sect i on, wher e appl i cabl e and t o ext ent al l owed by per f or mance cr i t er i a, pr ovi de and document t he f ol l owi ng i n accor dance wi t h Sect i on 01 33 29 SUSTAI NABI LI TY REQUI REMENTS:

a. Recycl ed cont ent f or f l y ash and pozzol an

b. Recycl ed cont ent f or Gr ound I r on Bl ast - Fur nace Sl ag

c. Recycl ed cont ent f or Si l i ca Fume

d. Recycl ed cont ent f or Synt het i c Fi ber Rei nf or cement

e. Recycl ed cont ent f or st eel , 75 per cent mi ni mum

2. 2. 2 Pigments

Non- f adi ng and l i me- r esi st ant

2. 2. 3 Reinforcement

2. 2. 3. 1 Rei nf or c i ng Bar s

a. Def or med Bi l l et - st eel : ASTM A615/ A615M

b. Def or med Low- al l oy st eel : ASTM A706/ A706M

2. 2. 3. 2 Rei nf or c i ng Wi r e

a. Pl ai n Wi r e: ASTM A1064/ A1064M

b. Def or med Wi r e: ASTM A1064/ A1064M

2. 2. 3. 3 Wel ded Wi r e Rei nf or cement

a. Pl ai n Wi r e: ASTM A1064/ A1064M

b. Def or med Wi r e: ASTM A1064/ A1064M

2. 2. 3. 4 Epoxy Coat ed Rei nf or cement

a. Rei nf or c i ng Bar s: ASTM A775/ A775M

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b. Wi r es and Wel ded Wi r e: ASTM A884/ A884M

2. 2. 3. 5 Gal vani zed Rei nf or cement

Pr ovi de gal vani zed r ei nf or cement conf or mi ng t o ASTM A767/ A767M.

2. 2. 4 Synt het i c Fi ber Rei nf or cement

Pr ovi de f i ber r ei nf or ced concr et e i n accor dance wi t h ASTM C1116/ C1116M Type I I I , synt het i c f i ber r ei nf or ced concr et e, and as f ol l ows. Synt het i c r ei nf or c i ng f i ber s must be 100 per cent v i r gi n monof i l ament pol ypr opyl ene f i ber s. Pr ovi de f i ber s t hat have a speci f i c gr avi t y of 0. 9, a mi ni mum t ensi l e st r engt h of 70 ksi , gr aded per manuf act ur er , and speci f i cal l y manuf act ur ed t o an opt i mum gr adat i on f or use as concr et e secondar y r ei nf or cement . Toughness i ndi ces must meet r equi r ement s f or per f or mance l evel I .

2. 2. 5 I nser t s and Embedded Met al

Al l i t ems embedded i n concr et e must be of t he t ype r equi r ed f or t he i nt ended t ask, and meet t he f ol l owi ng st andar ds.

a. St r uct ur al St eel Pl at es, Angl es, et c. : ASTM A36/ A36M

b. Hot - di pped Gal vani zed: ASTM A153/ A153M

c. Pr opr i et ar y I t ems: I n accor dance wi t h manuf act ur er s publ i shed l i t er at ur e

2. 2. 6 Accessories

Submi t pr oper i nst al l at i on i nst r uct i ons and r el evant pr oduct dat a f or i t ems i ncl udi ng, but not l i mi t ed t o, seal ant s, gasket s, connect or s, st eps, cabl e r acks and ot her i t ems i nst al l ed bef or e or af t er del i ver y.

a. Rubber Gasket s f or Ci r cul ar Concr et e Sewer Pi pe and Cul ver t Pi pe:

ASTM C443.

b. Ext er nal Seal i ng Bands f or Nonci r cul ar Sewer , St or m Dr ai n and Cul ver t Pi pe: ASTM C877.

c. Pr ef or med Fl exi bl e Joi nt Seal ant s f or Concr et e Pi pe, Manhol es, and Manuf act ur ed Box Sect i ons: ASTM C990.

d. El ast omer i c Joi nt Seal ant s: ASTM C920

2. 2. 7 Pi pe Ent r y Connect or s

Pi pe ent r y connect or s must conf or m t o ASTM C923 or ASTM C1478.

2. 2. 8 Grout

Nonshr i nk Gr out must conf or m t o ASTM C1107/ C1107M. Cement i t i ous gr out must be a mi xt ur e of por t l and cement , sand, and wat er . Pr opor t i on one par t cement t o appr oxi mat el y 2. 5 par t s sand, wi t h t he amount of wat er based on pl acement met hod. Pr ovi de ai r ent r ai nment f or gr out exposed t o t he weat her .

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PART 3 EXECUTI ON

3. 1 FABRI CATI ON AND PLACEMENT

Per f or m f abr i cat i on i n accor dance wi t h NPCA QC Manual or ACPA QPC unl ess speci f i ed ot her wi se.

3. 1. 1 Forms

Use f or ms, f or manuf act ur i ng pr ecast concr et e pr oduct s, of t he t ype and desi gn consi st ent wi t h i ndust r y st andar ds and pr act i ces. They shoul d be capabl e of consi st ent l y pr ovi di ng uni f or m pr oduct s and di mensi ons.

Const r uct f or ms so t hat t he f or ces and vi br at i ons t o whi ch t he f or ms wi l l be subj ect ed can cause no pr oduct damage. Cl ean f or ms of concr et e bui l d- up af t er each use. Appl y f or m r el ease agent s accor di ng t o t he manuf act ur er s r ecommendat i ons and do not al l ow t o bui l d up on t he f or m cast i ng sur f aces.

3. 1. 2 Reinforcement

Fol l ow appl i cabl e ASTM St andar d or ACI 318 f or pl acement and spl i c i ng.

Fabr i cat e cages of r ei nf or cement ei t her by t y i ng t he bar s, wi r es or wel ded wi r e r ei nf or cement i nt o r i gi d assembl i es or by wel di ng, wher e per mi ssi bl e, i n accor dance wi t h AWS D1. 4/ D1. 4M. Posi t i on r ei nf or c i ng as speci f i ed by t he desi gn and so t hat t he concr et e cover conf or ms t o r equi r ement s. The t ol er ance on concr et e cover must be one- t hi r d of t hat speci f i ed but not mor e t han 1/ 2 i nch. Pr ovi de concr et e cover not l ess t han 1/ 2 i nch. Take posi t i ve means t o assur e t hat t he r ei nf or cement does not move si gni f i cant l y dur i ng t he cast i ng oper at i ons.

3. 1. 3 Embedded I t ems

Posi t i on embedded i t ems at l ocat i ons speci f i ed i n t he desi gn document s.

Per f or m wel di ng i n accor dance wi t h AWS D1. 1/ D1. 1M when necessar y. Hol d r i gi dl y i n pl ace i nser t s, pl at es, wel dment s, l i f t i ng devi ces and ot her i t ems t o be i mbedded i n pr ecast concr et e pr oduct s so t hat t hey do not move si gni f i cant l y dur i ng cast i ng oper at i ons. Submi t pr oduct dat a sheet s and pr oper i nst al l at i on i nst r uct i on f or anchor s, l i f t i ng i nser t s and ot her devi ces. Cl ear l y i ndi cat e t he pr oduct s di mensi ons and saf e wor ki ng l oad.

3. 1. 4 Synt het i c Fi ber Rei nf or ced Concr et e

Add f i ber r ei nf or cement t o t he concr et e mi x at t he bat ch pl ant i n accor dance wi t h t he appl i cabl e sect i ons of ASTM C1116/ C1116M and t he r ecommendat i ons of t he manuf act ur er . Use a mi ni mum of 1. 5 pounds of f i ber s per cubi c yar d of concr et e.

3. 2 CONCRETE

3. 2. 1 Concr et e Mi xi ng

Mi xi ng oper at i ons must pr oduce bat ch- t o- bat ch uni f or mi t y of st r engt h, consi st ency, and appear ance.

3. 2. 2 Concr et e Pl aci ng

Deposi t concr et e i nt o f or ms as near t o i t s f i nal l ocat i on as pr act i cal .

Keep t he f r ee f al l of t he concr et e t o a mi ni mum. Consol i dat e concr et e i n such a manner t hat segr egat i on of t he concr et e i s mi ni mi zed and honeycombed ar eas ar e kept t o a mi ni mum. Use vi br at or s t o consol i dat e concr et e wi t h

SECTI ON 03 42 13. 00 10 Page 11 f r equenci es and ampl i t udes suf f i c i ent t o pr oduce wel l consol i dat ed concr et e.

3. 2. 2. 1 Col d Weat her Concr et i ng

Per f or m col d weat her concr et i ng i n accor dance wi t h ACI 306. 1.

a. Pr ovi de adequat e equi pment f or heat i ng concr et e mat er i al s and pr ot ect i ng concr et e dur i ng f r eezi ng or near - f r eezi ng weat her .

b. Al l concr et e mat er i al s, r ei nf or cement , f or ms, f i l l er s, and gr ound wi t h whi ch concr et e i s t o come i n cont act must be f r ee f r om f r ost .

c. Do not use f r ozen mat er i al s or mat er i al s cont ai ni ng i ce.

d. I n col d weat her t he t emper at ur e of concr et e at t he t i me of pl aci ng must not be bel ow 45 degr ees F. Di scar d concr et e t hat f r eezes bef or e i t s compr essi ve st r engt h r eaches 500 psi .

3. 2. 2. 2 Hot Weat her Concr et i ng

Fol l ow r ecommendat i ons f or hot weat her concr et i ng i n ACI 305R. Dur i ng hot weat her , gi ve pr oper at t ent i on t o const i t uent s, pr oduct i on met hods, handl i ng, pl aci ng, pr ot ect i on, and cur i ng t o pr event excessi ve concr et e t emper at ur es or wat er evapor at i on t hat coul d i mpai r r equi r ed st r engt h or ser vi ceabi l i t y of t he member or st r uct ur e. The t emper at ur e of concr et e at t he t i me of pl aci ng must not exceed 90 degr ees F.

3. 2. 3 Concr et e Cur i ng

Commence cur i ng i mmedi at el y f ol l owi ng t he i ni t i al set and compl et i on of sur f ace f i ni shi ng.

3. 2. 3. 1 Cur i ng by Moi st ur e Ret ent i on

Pr event moi st ur e evapor at i on f r om exposed sur f aces unt i l adequat e st r engt h f or st r i ppi ng i s r eached by one of t he f ol l owi ng met hods:

a. Cover wi t h pol yet hyl ene sheet s a mi ni mum of 6 mi l s t hi ck i n accor dance with ASTM C171.

b. Cover wi t h bur l ap or ot her absor pt i ve mat er i al and keep cont i nual l y moist.

c. Use a membr ane- cur i ng compound, conf or mi ng t o ASTM C309 and appl i ed at a r at e not l ess t han 200 squar e f t / gal l on, or i n accor dance wi t h manuf act ur er s ' r ecommendat i ons.

3. 2. 3. 2 Cur i ng wi t h Heat and Moi st ur e

Do not subj ect concr et e t o st eam or hot ai r unt i l af t er t he concr et e has at t ai ned i t s i ni t i al set . Appl y st eam, i f used, wi t hi n a sui t abl e encl osur e, whi ch per mi t s f r ee c i r cul at i on of t he st eam i n accor dance wi t h CSA A23. 4. I f hot ai r i s used f or cur i ng, t ake pr ecaut i ons t o pr event moi st ur e l oss f r om t he concr et e. The t emper at ur e of t he concr et e must not be per mi t t ed t o exceed 150 degr ees F. These r equi r ement s do not appl y t o pr oduct s cur ed wi t h st eam under pr essur e i n an aut ocl ave.

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3. 2. 4 Sur f ace Fi ni sh

Fi ni sh unf or med sur f aces of wet - cast pr ecast concr et e pr oduct s as speci f i ed. I f no f i ni shi ng pr ocedur e i s speci f i ed, f i ni sh such sur f aces usi ng a st r i ke- of f t o l evel t he concr et e wi t h t he t op of t he f or m.

3. 2. 4. 1 For med Non- Ar chi t ect ur al Sur f aces

Cast sur f aces agai nst appr oved f or ms f ol l owi ng i ndust r y pr act i ces i n c l eani ng f or ms, desi gni ng concr et e mi xes, pl aci ng and cur i ng concr et e.

Nor mal col or var i at i ons, f or m j oi nt mar ks, smal l sur f ace hol es caused by ai r bubbl es, and mi nor chi ps and spal l s wi l l be accept ed but no maj or i mper f ect i ons, honeycombs or ot her maj or def ect s wi l l be per mi t t ed.

3. 2. 4. 2 Unf or med Sur f aces

Fi ni sh unf or med sur f aces wi t h a v i br at i ng scr eed, or by hand wi t h a f l oat .

Nor mal col or var i at i ons, mi nor i ndent at i ons, mi nor chi ps and spal l s wi l l be accept ed. Maj or i mper f ect i ons, honeycombs, or ot her maj or def ect s ar e not permitted.

3. 2. 4. 3 Speci al Fi ni shes

Tr owel ed, br oom or ot her f i ni shes must be accor di ng t o t he r equi r ement s of pr oj ect document s and per f or med i n accor dance wi t h i ndust r y st andar ds or suppl i er speci f i cat i ons. Submi t f i ni shes f or appr oval when r equi r ed by t he pr oj ect document s. The sampl e f i ni shes must be appr oved pr i or t o t he st ar t of pr oduct i on.

3. 2. 5 St r i ppi ng Pr oduct s f r om For ms

Do not r emove pr oduct s f r om t he f or ms unt i l t he concr et e r eaches t he compr essi ve st r engt h f or st r i ppi ng r equi r ed by t he desi gn. I f no such r equi r ement exi st s, pr oduct s may be r emoved f r om t he f or ms af t er t he f i nal set of concr et e pr ovi ded t hat st r i ppi ng damage i s mi ni mal .

3. 2. 6 Pat chi ng and Repai r

No r epai r i s r equi r ed t o f or med sur f aces t hat ar e r el at i vel y f r ee of ai r voi ds and honeycombed ar eas, unl ess t he sur f aces ar e r equi r ed by t he desi gn t o be f i ni shed.

3. 2. 6. 1 Repai r i ng Mi nor Def ect s

Def ect s t hat wi l l not i mpai r t he f unct i onal use or expect ed l i f e of a pr ecast concr et e pr oduct may be r epai r ed by any met hod t hat does not i mpai r t he pr oduct .

3. 2. 6. 2 Repai r i ng Honeycombed Ar eas

When honeycombed ar eas ar e t o be r epai r ed, r emove al l l oose mat er i al and cut back t he ar eas i nt o essent i al l y hor i zont al or ver t i cal pl anes t o a dept h at whi ch coar se aggr egat e par t i c l es br eak under chi ppi ng r at her t han bei ng di s l odged. Use pr opr i et ar y r epai r mat er i al s i n accor dance wi t h t he manuf act ur er ' s i nst r uct i ons. I f a pr opr i et ar y r epai r mat er i al i s not used, sat ur at e t he ar ea wi t h wat er . I mmedi at el y pr i or t o r epai r , t he ar ea shoul d be damp, but f r ee of excess wat er . Appl y a cement - sand gr out or an appr oved bondi ng agent t o t he chi pped sur f aces, f ol l owed i mmedi at el y by consol i dat i ng an appr opr i at e r epai r mat er i al i nt o t he cavi t y.

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3. 2. 6. 3 Repai r i ng Maj or Def ect s

Eval uat e, by qual i f i ed per sonnel , def ect s i n pr ecast concr et e pr oduct s whi ch i mpai r t he f unct i onal use or t he expect ed l i f e of pr oduct s t o det er mi ne i f r epai r s ar e f easi bl e and, i f so, t o est abl i sh t he r epai r procedure.

3. 2. 7 Shi ppi ng Pr oduct s

Do not shi p pr oduct s unt i l t hey ar e at l east f i ve days ol d, unl ess i t can be shown t hat t he concr et e st r engt h has r eached at l east 75 per cent of t he speci f i ed 28- day st r engt h, or t hat damage wi l l not r esul t , i mpai r i ng t he per f or mance of t he pr oduct .

3. 3 INSTALLATION

3. 3. 1 Si t e Access

I t i s t he Cont r act or ' s r esponsi bi l i t y t o pr ovi de adequat e access t o t he s i t e t o f aci l i t at e haul i ng, st or age and pr oper handl i ng of t he pr ecast concr et e pr oduct s.

3. 3. 2 Gener al Requi r ement s

a. I nst al l pr ecast concr et e pr oduct s t o t he l i nes and gr ades shown i n t he cont r act document s or ot her wi se speci f i ed.

b. Li f t pr oduct s by sui t abl e l i f t i ng devi ces at poi nt s pr ovi ded by t he pr ecast concr et e pr oducer .

c. I nst al l pr oduct s i n accor dance wi t h t he pr ecast concr et e pr oducer ' s i nst r uct i ons. I n t he absence of such i nst r uct i ons, i nst al l under gr ound ut i l i t y st r uct ur es i n accor dance wi t h ASTM C891. I nst al l pi pe and manhol e sect i ons i n accor dance wi t h t he pr ocedur es out l i ned by t he Amer i can Concr et e Pi pe Associ at i on.

d. Fi el d modi f i cat i ons t o t he pr oduct wi l l r el i eve t he pr ecast pr oducer of l i abi l i t y even i f such modi f i cat i ons r esul t i n t he f ai l ur e of t he product.

3. 3. 3 Wat er Ti ght ness

Wher e wat er t i ght ness i s a necessar y per f or mance char act er i st i c of t he pr ecast concr et e pr oduct ' s end use, wat er t i ght j oi nt s, connect or s and i nser t s shoul d be used t o ensur e t he i nt egr i t y of t he ent i r e syst em.

3. 4 FI ELD QUALI TY CONTROL

3. 4. 1 Si t e Test s

When wat er t i ght ness t est i ng i s r equi r ed f or an under gr ound pr oduct , use one of t he f ol l owi ng met hods:

3. 4. 2 Vacuum Test i ng

Pr i or t o backf i l l vacuum t est syst em accor di ng t o ASTM C1244.

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3. 4. 3 Wat er Test i ng

Per f or m wat er t est i ng accor di ng t o t he cont r act document s and pr ecast concr et e pr oducer ' s r ecommendat i ons.

- - End of Sect i on - -

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