03_11_13.00_10.pdf

Gr een Br ook, Segment C- 1

AMENDMENT # 3

SECTI ON 03 11 13. 00 10

STRUCTURAL CAST- I N- PLACE CONCRETE FORMI NG

PART 1 GENERAL

1. 1 SCOPE

The wor k i ncl udes f ur ni shi ng, del i ver i ng, handl i ng, i nst al l i ng ( as appl i cabl e) al l mat er i al , l abor , equi pment , t ool s, f or m l i ner s and i nci dent al s necessar y t o compl et e t he wor k speci f i ed her ei n, i ncl udi ng f or mwor k r el at ed t o t he br i dge cul ver t , wi ngwal l s and channel s l ab.

1. 2 REFERENCES

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

AMERI CAN CONCRETE I NSTI TUTE I NTERNATI ONAL ( ACI )

ACI 347R ( 2014; Er r at a 1 2017) Gui de t o For mwor k f or Concr et e

APA - THE ENGI NEERED WOOD ASSOCI ATI ON ( APA)

APA PS1 ( 1995) Const r uct i on and I ndust r i al Pl ywood

( APA V995)

ASTM I NTERNATI ONAL ( ASTM)

ASTM C979/ C979M ( 2016) St andar d Speci f i cat i on f or Pi gment s f or I nt egr al l y Col or ed Concr et e

ASTM C1077 ( 2017) St andar d Pr act i ce f or Agenci es Test i ng Concr et e and Concr et e Aggr egat es f or Use i n Const r uct i on and Cr i t er i a f or Test i ng Agency Eval uat i on

ASTM C31/ C31M ( 2018a) 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

1. 3 DESI GN REQUI REMENTS

The desi gn, engi neer i ng, and const r uct i on of t he f or mwor k shal l be t he r esponsi bi l i t y of t he Cont r act or . St r uct ur al desi gn of f or ms shal l be per f or med i n conf or mance wi t h ACI 347R and t he Occupat i onal Saf et y and Heal t h Admi ni st r at i on ( OSHA) r egul at i ons. The f or mwor k shal l be desi gned f or ant i c i pat ed l i ve and dead l oads and shal l compl y wi t h t he t ol er ances speci f i ed i n Sect i on 03 31 01. 00 10 CAST- I N- PLACE STRUCTURAL CONCRETE FOR CI VI L WORKS, par agr aph CONSTRUCTI ON TOLERANCES. However , f or sur f aces wi t h an ACI Cl ass A sur f ace desi gnat i on, t he al l owabl e def l ect i on f or f aci ng

SECTI ON 03 11 13. 00 10 Page 1 mat er i al bet ween st uds, f or st uds bet ween wal er s and wal er s bet ween br aci ng shal l be l i mi t ed t o 0. 0025 t i mes t he span. The f or mwor k shal l be desi gned as a compl et e syst em wi t h consi der at i on gi ven t o t he ef f ect s of cement i t i ous mat er i al s and mi xt ur e addi t i ves such as f l y ash, cement t ype, pl ast i c i zer s, accel er at or s, r et ar der s, ai r ent r ai nment , and ot her s. The desi gn anal ysi s f or t he f or mwor k shal l be submi t t ed f or r evi ew. The adequacy of f or mwor k desi gn and const r uct i on shal l be moni t or ed pr i or t o and dur i ng concr et e pl acement as par t of t he Cont r act or ' s appr oved Qual i t y Cont r ol Pl an.

1. 4 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- 02 Shop Dr awi ngs

Formwork ; G, DO

Dr awi ngs and desi gn comput at i ons f or al l f or mwor k r equi r ed shal l be submi t t ed at l east 30 days ei t her bef or e f abr i cat i on on s i t e or bef or e del i ver y of pr ef abr i cat ed f or ms. I f r eshor i ng i s per mi t t ed, t he met hod, i ncl udi ng l ocat i on, or der , and t i me of er ect i on and r emoval shal l al so be submi t t ed f or r evi ew.

For m Removal Schedul e; G, DO

SD- 03 Pr oduct Dat a

Materials ; G, DO

Manuf act ur er ' s l i t er at ur e shal l be submi t t ed f or pl ywood, concr et e f or m har d boar d, f or m accessor i es, pr ef abr i cat ed f or ms, f or m coat i ng, and f or m- l i ni ng mat er i al s t o i ncl ude but not l i mi t ed t o f or mi ng mat er i al s of hi gh densi t y pol yet hel ene.

For ms and For m Li ner s G, DO

Submi t manuf act ur er ' s dat a f or a f l ut ed f i n f or m l i ner pat t er n no.

1707 Li ncol n Fl ut e 3/ 4 i nch deep smoot h r i b 6 i nch pat t er n r epeat pl ast i c l i ner .

For m Rel easi ng Agent s; G, DO

Manuf act ur er ' s r ecommendat i on on met hod and r at e of appl i cat i on of f or m r el easi ng agent s.

SD- 04 Sampl es

Sampl e Panel s; G, RO

Al l manuf act ur er r equi r ement s and di r ect i ons concer ni ng handl i ng, t r anspor t , st or age and i nst al l at i on of l i ner s ar e t o be f ol l owed.

SD- 05 Desi gn Dat a

Desi gn Anal ysi s; G, DO

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Desi gn anal ysi s and cal cul at i ons f or f or m desi gn and met hodol ogy used i n t he desi gn.

SD- 06 Test Repor t s

Inspection ; G, DO

The Cont r act or shal l submi t f i el d i nspect i on r epor t s f or concr et e f or ms and embedded i t ems.

For mwor k Not Suppor t i ng Wei ght of Concr et e; G, DO

I f f or ms ar e t o be r emoved i n l ess t han 24 hour s on f or mwor k not suppor t i ng t he wei ght of concr et e, t he eval uat i on and r esul t s of t he cont r ol cyl i nder t est s or mat ur i t y i nst r ument at i on shal l be submi t t ed t o and appr oved bef or e t he f or ms ar e r emoved.

1. 5 SHOP DRAWI NGS

The shop dr awi ngs and dat a submi t t ed shal l i ncl ude t he t ype, s i ze, quant i t y, and st r engt h of al l mat er i al s of whi ch t he f or ms ar e made, t he pl an f or j oi nt i ng of f aci ng panel s, det ai l s af f ect i ng t he appear ance, and t he assumed desi gn val ues and l oadi ng condi t i ons.

1. 6 SAMPLE PANELS

Const r uct t wo sampl e panel s ( one of each of t he t wo i ni t i al l y sel ect ed concr et e col or s) f or concr et e cul ver t as speci f i ed i n Sect i on

03 31 01. 00 10 - CAST- I N- PLACE STRUCTURAL CONCRETE FOR THE CONCRETE BRI DGE

CULVERT. Panel s shal l be 6 f eet l ong and 4 f eet wide t al l . The panel s shal l be const r uct ed t o t he pr oposed wal l t hi ckness cont ai ni ng t he f ul l al l ocat i on of r ei nf or c i ng st eel t hat wi l l be used i n t he st r uct ur e, wi t h t he f or mi ng syst em t hat dupl i cat es i n ever y det ai l t he one t hat wi l l be used i n const r uct i on of t he st r uct ur e. The same concr et e mi xt ur e pr opor t i on and mat er i al s, t he same pl acement t echni ques and equi pment , and t he same f i ni shi ng t echni ques and t i mi ng shal l be used t hat ar e pl anned f or t he st r uct ur e. For accur at e col or , t he quant i t y of concr et e mi xed t o pr oduce t he mock up shal l not be l ess t han 3 cubi c yar ds ( or not l ess t han 1/ 3 t he capaci t y of t he mi xi ng dr um on t he r eady- mi xed concr et e t r uck) .

Const r uct i on of cul ver t and wi ng wal l s Cl ass F f i ni sh wi l l not be per mi t t ed unt i l sampl e panel s have been appr oved. Sampl e panel s shal l be pr ot ect ed f r om const r uct i on oper at i ons i n a manner t o pr ot ect appr oved f i ni sh, and ar e not t o be r emoved unt i l al l Cl ass F cul ver t and wi ngwal l finish concrete has have been accept ed.

1. 7 DELI VERY, STORAGE, AND HANDLI NG

St or e f i ber voi ds above gr ound l evel i n a dr y l ocat i on. Keep f i ber voi ds dr y unt i l i nst al l ed and over l ai d wi t h concr et e.

PART 2 PRODUCTS

2. 1 MATERIALS

2. 1. 1 For ms and For m Li ner s

For ms and f or m l i ner s shal l be f abr i cat ed wi t h f ac i ng mat er i al s t hat wi l l pr oduce a f i ni sh meet i ng t he speci f i ed i r r egul ar i t i es i n f or med sur f ace

SECTI ON 03 11 13. 00 10 Page 3 r equi r ement s as def i ned i n ACI 347R. For ms and f or m l i ner s shal l be f abr i cat ed wi t h f aci ng mat er i al s as speci f i ed bel ow.

2. 1. 1. 1 Cl ass " A" Fi ni sh

Thi s c l ass of f i ni sh shal l appl y t o al l concr et e exposed t o publ i c v i ew, not speci f i ed t o r ecei ve Cl ass F. The f or m f aci ng mat er i al shal l be composed of new, wel l - mat ched t ongue- and- gr oove l umber or new pl ywood panel s conf or mi ng t o APA PS1, Gr ade B- B concr et e f or m, Cl ass I .

2. 1. 1. 2 Cl ass " B" Fi ni sh

Thi s c l ass of f i ni sh shal l appl y t o al l sur f aces except t hose speci f i ed t o r ecei ve Cl ass A, Cl ass C, Cl ass D or Cl ass F. The f or m f aci ng mat er i al shal l be composed of t ongue- and- gr oove or shi pl ap l umber , pl ywood conf or mi ng t o APA PS1, Gr ade B- B concr et e f or m, t emper ed concr et e f or m har d boar d or st eel . St eel l i ni ng on wood sheat hi ng wi l l not be per mi t t ed.

2. 1. 1. 3 Cl ass " C" Fi ni sh

Thi s c l ass of f i ni sh shal l appl y t o cur ved or war ped concr et e exposed t o publ i c v i ew not speci f i ed t o r ecei ve Cl ass F. The f or m f aci ng may be ei t her t ongue- and- gr oove l umber , pl ywood, concr et e f or m har d boar d or st eel . Wood f or m f aci ng f or cur ved or war ped sur f aces shal l be composed of spl i nes of l umber whi ch can be bent t o t he r equi r ed shape wi t hout spl i t t i ng or cr acki ng.

2. 1. 1. 4 Cl ass " D" Fi ni sh

Thi s c l ass of f i ni sh shal l appl y t o al l ot her concr et e not exposed t o publ i c v i ew. The f or m f aci ng may be of wood or st eel .

2. 1. 1. 5 Cl ass " F" Fi ni sh

Thi s c l ass of f i ni sh consi st s of a c l ass “ A” f i ni sh col or ed concr et e. The col or at i on of t he concr et e must be per f or med by use of pi gment s f or i nt egr al l y col or ed concr et e i n accor dance wi t h ASTM C979/ C979M. The col or sel ect i on shal l be submi t t ed and appr oved by t he COR.

2. 1. 1. 6 Cl ass " G" Fi ni sh

Thi s c l ass of f i ni sh consi st s of a c l ass " C" f i ni shed col or ed concr et e. The col or at i on of t he concr et e must be per f or med by use of pi gment s f or i nt egr al l y col or ed concr et e i n accor dance wi t h ASTM C979/ C979MASTM C979/ C979M. The col or sel ect i on shal l be submi t t ed and appr oved by t he COR.

2. 1. 2 For m Coat i ng

For m coat i ng shal l be commer ci al f or mul at i on t hat wi l l not bond wi t h, st ai n, cause det er i or at i on, or any ot her damage t o concr et e sur f aces. The coat i ng shal l not i mpai r subsequent t r eat ment of concr et e sur f aces dependi ng upon bond or adhesi on nor i mpede t he wet t i ng of sur f aces t o be cur ed wi t h wat er or cur i ng compounds. I f speci al f or m l i ner s ar e t o be used, t he Cont r act or shal l f ol l ow t he r ecommendat i on of t he f or m coat i ng manufacturer.

2. 2 ACCESSORI ES

Ti es and ot her s i mi l ar f or m accessor i es t o be par t i al l y or whol l y embedded

SECTI ON 03 11 13. 00 10 Page 4 i n t he concr et e shal l be of a commer ci al l y manuf act ur ed t ype. Af t er t he ends or end f ast ener s have been r emoved, t he embedded por t i on of met al t i es shal l t er mi nat e not l ess t han 2 i nches f r om any concr et e sur f ace ei t her exposed t o v i ew or exposed t o wat er . Pl ast i c snap t i es may be used i n l ocat i ons wher e t he sur f ace wi l l not be exposed t o v i ew. For m t i es shal l be const r uct ed so t hat t he ends or end f ast ener s can be r emoved wi t hout spal l i ng t he concr et e.

PART 3 EXECUTI ON

3. 1 I NSTALLATI ON

3. 1. 1 For m Const r uct i on

For ms shal l be const r uct ed t r ue t o t he st r uct ur al desi gn and r equi r ed al i gnment . The f or m sur f ace and j oi nt s shal l be mor t ar t i ght and suppor t ed t o achi eve saf e per f or mance dur i ng const r uct i on, concr et e pl acement , and f or m r emoval . The Cont r act or shal l cont i nuousl y moni t or t he al i gnment and st abi l i t y of t he f or ms dur i ng al l phases t o assur e t he f i ni shed pr oduct wi l l meet t he r equi r ed sur f ace c l ass or c l asses speci f i ed i n par agr aph FORMS AND FORM LI NERS and t ol er ances speci f i ed i n par agr aph DESI GN REQUI REMENTS. Fai l ur e of any suppor t i ng sur f ace ei t her due t o sur f ace t ext ur e, def l ect i on or f or m col l apse shal l be t he r esponsi bi l i t y of t he Cont r act or as wi l l t he r epl acement or cor r ect i on of unsat i sf act or y sur f aces. When f or ms f or cont i nuous sur f aces ar e pl aced i n successi ve uni t s, car e shal l be t aken t o f i t t he f or ms over t he compl et ed sur f ace t o obt ai n accur at e al i gnment of t he sur f ace and t o pr event l eakage of mor t ar .

For ms shal l not be r e- used i f t her e i s any evi dence of def ect s whi ch woul d i mpai r t he qual i t y of t he r esul t i ng concr et e sur f ace. Al l sur f aces of used f or ms shal l be c l eaned of mor t ar and any ot her f or ei gn mat er i al bef or e reuse.

3. 1. 2 For m Li ner s

For m l i ner s shal l be i nst al l ed as per t he manuf act ur er ' s r equi r ement s.

For m l i ner s shal l be f or t he ent i r e l i ngt h of t he wal l as shown on t he pl ans. The l i s t i ng shal l ext end as shown on t he pl ans.

3. 1. 3 Chamf er i ng

Al l exposed j oi nt s, edges and ext er nal cor ner s shal l be chamf er ed by mol di ng pl aced i n t he f or ms unl ess t he dr awi ngs speci f i cal l y st at e t hat chamf er i ng i s t o be omi t t ed or as ot her wi se speci f i ed. Chamf er ed j oi nt s shal l not be per mi t t ed wher e ear t h or r ockf i l l i s pl aced i n cont act wi t h concr et e sur f aces. Chamf er ed j oi nt s shal l be t er mi nat ed 12 i nches out s i de t he l i mi t of t he ear t h or r ockf i l l so t hat t he end of t he chamf er s wi l l be c l ear l y v i s i bl e.

3. 1. 4 Coat i ng

For ms f or exposed or pai nt ed sur f aces shal l be coat ed wi t h f or m oi l or a f or m- r el ease agent bef or e t he f or m or r ei nf or cement i s pl aced i n f i nal posi t i on. The coat i ng shal l be used as r ecommended i n t he manuf act ur er ' s i nst r uct i ons. For ms f or unexposed sur f aces may be wet wi t h wat er i n l i eu of coat i ng i mmedi at el y bef or e pl aci ng concr et e, except t hat , i n col d weat her when f r eezi ng t emper at ur es ar e ant i c i pat ed, coat i ng shal l be mandat or y. Sur pl us coat i ng on f or m sur f aces and coat i ng on r ei nf or c i ng st eel and const r uct i on j oi nt s shal l be r emoved bef or e pl aci ng concr et e.

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3. 2 FORM REMOVAL

For ms shal l not be r emoved wi t hout appr oval . The mi ni mal t i me r equi r ed f or concr et e t o r each a st r engt h adequat e f or r emoval of f or mwor k wi t hout r i sk i ng t he saf et y of wor ker s or t he qual i t y of t he concr et e depends on a number of f act or s i ncl udi ng, but not l i mi t ed t o, ambi ent t emper at ur e, concr et e l i f t hei ght s, t ype and amount of concr et e admi xt ur e, and t ype and amount of cement i t i ous mat er i al i n t he concr et e. I t i s t he r esponsi bi l i t y of t he Cont r act or t o consi der al l appl i cabl e f act or s and l eave t he f or ms i n pl ace unt i l i t i s saf e t o r emove t hem. I n any case f or ms shal l not be r emoved unl ess t he mi ni mum t i me or mi ni mum compr essi ve st r engt h r equi r ement s bel ow ar e met , except as ot her wi se di r ect ed or speci f i cal l y aut hor i zed. When condi t i ons ar e such as t o j ust i f y t he r equi r ement , f or ms wi l l be r equi r ed t o r emai n i n pl ace f or a l onger per i od. Al l r emoval shal l be accompl i shed i n a manner whi ch wi l l pr event damage t o t he concr et e and ensur e t he compl et e saf et y of t he st r uct ur e. Wher e f or ms suppor t mor e t han one el ement , t he f or ms shal l not be r emoved unt i l t he f or m r emoval cr i t er i a ar e met by al l suppor t ed el ement s. A f or m r emoval schedul e shal l be devel oped and al l necessar y r epai r s per f or med as speci f i ed i n Sect i on 03 31 01. 00 10 CAST- I N- PLACE STRUCTURAL CONCRETE FOR CI VI L WORKS. Evi dence t hat concr et e has gai ned suf f i c i ent st r engt h t o per mi t r emoval of f or ms shal l be det er mi ned by t est s on cont r ol cyl i nder s. Al l cont r ol cyl i nder s shal l be st or ed i n t he st r uct ur e or as near t he st r uct ur e as possi bl e so t hey r ecei ve t he same cur i ng condi t i ons and pr ot ect i on met hods as gi ven t hose por t i ons of t he st r uct ur e t hey r epr esent . Cont r ol cyl i nder s shal l be r emoved f r om t he mol ds at an age of no mor e t han 24 hour s. Al l cont r ol cyl i nder s shal l be pr epar ed and t est ed i n accor dance wi t h ASTM C31/ C31M and ASTM C39/ C39M at t he expense of t he Cont r act or by an i ndependent l abor at or y t hat compl i es wi t h ASTM C1077 and shal l be t est ed wi t hi n 4 hour s af t er r emoval f r om t he s i t e.

3. 2. 1 For mwor k Not Suppor t i ng Wei ght of Concr et e

For mwor k f or wal l s, col umns, s i des of beams, gr avi t y st r uct ur es, and ot her ver t i cal t ype f or mwor k not suppor t i ng t he wei ght of concr et e shal l not be r emoved i n l ess t han 24 hour s af t er concr et e pl acement i s compl et ed.

Cont r ol cyl i nder s shal l be pr epar ed f or each set of f or ms t o be r emoved bef or e 24 hour s. The st abi l i t y of t he concr et e shal l be eval uat ed by a st r uct ur al engi neer pr i or t o r emoval of t he f or ms.

3. 2. 2 For mwor k Suppor t i ng Wei ght of Concr et e

For mwor k suppor t i ng wei ght of concr et e and shor i ng shal l not be r emoved unt i l s t r uct ur al member s have acqui r ed suf f i c i ent st r engt h t o saf el y suppor t t hei r own wei ght and any const r uct i on or ot her super i mposed l oads t o whi ch t he suppor t ed concr et e may be subj ect ed. As a mi ni mum, f or ms shal l be l ef t i n pl ace unt i l cont r ol concr et e t est cyl i nder s i ndi cat e evi dence t he concr et e has at t ai ned at l east 70 per cent of t he compr essi ve st r engt h r equi r ed f or t he st r uct ur e i n accor dance wi t h t he qual i t y and l ocat i on r equi r ement s of Sect i on 03 31 01. 00 10 CAST- I N- PLACE STRUCTURAL

CONCRETE FOR CI VI L WORKS.

3. 3 INSPECTION

For ms and embedded i t ems shal l be i nspect ed i n suf f i c i ent t i me pr i or t o each concr et e pl acement by t he Cont r act or i n or der t o cer t i f y t o t he Cont r act i ng Of f i cer t hat t hey ar e r eady t o r ecei ve concr et e. The r esul t s of each i nspect i on shal l be r epor t ed i n wr i t i ng. Submi t f i el d i nspect i on r epor t s f or concr et e f or ms and embedded i t ems.

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2.1.2 Form Coating

2.2 ACCESSORIES

3.3 INSPECTION