03 11 13.00 10.pdf

Ti nker AFB, OK TAFB Techni cal Spr ci f i cat i ons 2019

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STRUCTURAL CAST- I N- PLACE CONCRETE FORMI NG

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 I NTERNATI ONAL ( ACI )

ACI 117 ( 2010; Er r at a 2011) Speci f i cat i ons f or Tol er ances f or Concr et e Const r uct i on and Mat er i al s and Comment ar y

ACI 301 ( 2010; ERTA 2015) Speci f i cat i ons f or St r uct ur al Concr et e

ACI 347 ( 2004; Er r at a 2008; Er r at a 2012) Gui de t o For mwor k f or Concr et e

ASTM I NTERNATI ONAL ( ASTM)

ASTM C578 ( 2015b) St andar d Speci f i cat i on f or Ri gi d, Cel l ul ar Pol yst yr ene Ther mal I nsul at i on

1. 2 SUBMITTALS

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

submi t t al s not havi ng a " G" desi gnat i on ar e f or Cont r act or Qual i t y Cont r ol appr oval . 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- 02 Shop Dr awi ngs

For mwor k; G For m Removal Schedul e; G

SD- 03 Pr oduct Dat a

For m Mat er i al s

SD- 04 Sampl es

Fi ber Voi ds; G

SD- 05 Desi gn Dat a

Calculations

SD- 06 Test Repor t s

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Inspection

SD- 07 Cer t i f i cat es

Fi ber Voi ds

1. 3 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 SYSTEM DESCRI PTI ON

The desi gn, engi neer i ng, and const r uct i on of t he f or mwor k i s t he r esponsi bi l i t y of t he Cont r act or . Desi gn f or mwor k i n accor dance wi t h met hodol ogy of ACI 347 f or ant i c i pat ed l oads, l at er al pr essur es, and st r esses, and capabl e of wi t hst andi ng t he pr essur es r esul t i ng f r om pl acement and vi br at i on of concr et e. Compl y wi t h t he t ol er ances speci f i ed i n Sect i on 03 30 00 CAST- I N- PLACE CONCRETE, par agr aph TOLERANCES FOR FORM CONSTRUCTI ON. However , f or sur f aces wi t h an ACI Cl ass A sur f ace desi gnat i on, l i mi t t he al l owabl e def l ect i on f or f aci ng 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 t o 0. 0025 t i mes t he span. Desi gn t he f or mwor k 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. Moni t or t he adequacy of f or mwor k desi gn and const r uct i on 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. Submi t 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. Submi t at l east 10 days ei t her bef or e f abr i cat i on on si t e or bef or e del i ver y of pr ef abr i cat ed f or ms.

2. 2 FORM MATERI ALS

Submi t manuf act ur er ' s dat a, i ncl udi ng l i t er at ur e descr i bi ng f or m mat er i al s, accessor i es, and f or m r el easi ng agent s.

2. 2. 1 Formwork

Compl y wi t h ACI 301 Sect i on 2. Pr ovi de f or sur f aces not exposed t o publ i c v i ew a sur f ace f i ni sh SF- 1. 0. Pr ovi de f or sur f aces exposed t o publ i c v i ew a sur f ace f i ni sh SF- 3. 0. Pat ch hol es and def ect s i n accor dance wi t h ACI 301. Submi t f or m r emoval schedul e i ndi cat i ng el ement and mi ni mum l engt h of t i me f or f or m r emoval .

2. 2. 2 Ret ai n- I n- Pl ace Met al For ms

Use r et ai n- i n- pl ace met al f or ms f or concr et e s l abs and r oof s as speci f i ed i n Sect i on 05 30 00 STEEL DECKS.

2. 2. 3 Pan- For m Uni t s

Use f act or y- f abr i cat ed pan- f or m uni t s of t he appr oxi mat e sect i on i ndi cat ed f or one- way or t wo- way concr et e j oi st and sl ab const r uct i on. Uni t s must consi st of st eel or mol ded f i ber gl ass concr et e f or m pans. Fur ni sh c l osur e uni t s as r equi r ed.

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2. 2. 4 Fi ber Voi ds

Fi ber voi ds must be t he pr oduct of a r eput abl e manuf act ur er r egul ar l y engaged i n t he commer ci al pr oduct i on of f i ber voi ds. Const r uct t he voi ds of doubl e f aced, cor r ugat ed f i ber boar d. Fabr i cat e t he cor r ugat ed f i ber boar d of wet st r engt h paper l i ner s, i mpr egnat ed wi t h par af f i n, and l ami nat ed wi t h moi st ur e r esi st ant adhesi ve, wi t h a boar d st r engt h of 275 psi . Voi ds whi ch ar e i mpr egnat ed wi t h par af f i n af t er const r uct i on, i n l i eu of bei ng const r uct ed wi t h par af f i n i mpr egnat ed f i ber boar d, ar e accept abl e. Desi gn voi ds t o suppor t not l ess t han 1000 psf . To pr event separ at i on dur i ng concr et e pl acement f i ber voi ds, assembl e wi t h st eel or pl ast i c bandi ng at 4 f eet on cent er maxi mum, or by adequat e st apl i ng or gl ui ng as r ecommended by t he manuf act ur er . Fi ber voi ds pl aced under concr et e s l abs and t hat ar e 8 i nches i n dept h may be heavy dut y " waf f l e box" t ype, const r uct ed of par af f i n i mpr egnat ed cor r ugat ed f i ber boar d.

Submi t one sampl e uni t of f i ber voi ds pr i or t o i nst al l at i on of t he voi ds and cer t i f i cat es at t est i ng t hat f i ber voi ds conf or m t o t he speci f i ed requirements.

2. 3 FI BER VOI D RETAI NERS

2. 3. 1 Pol yst yr ene Ri gi d I nsul at i on

Pol yst yr ene r i gi d i nsul at i on must conf or m t o ASTM C578, Type V, VI , or VI I , squar e edged. Si ze: 1- 1/ 2 i nches t hi ck by 16 i nches i n hei ght by 3 f eet i n l engt h, unl ess ot her wi se i ndi cat ed.

2. 3. 2 Pr ecast Concr et e

Pr ecast concr et e uni t s must have a compr essi ve st r engt h of not l ess t han 2500 psi , r ei nf or ced wi t h 6 i nch by 6 i nch by W1. 4 WWF wi r e mesh, and 12 i nches ( hei ght ) by 3 f eet ( l engt h) by 1- 5/ 8 i nches ( t hi ckness) i n s i ze unl ess i ndi cat ed.

PART 3 EXECUTI ON

3. 1 INSTALLATION

3. 1. 1 Formwork

Compl y wi t h ACI 301 Sect i on 2 wi t h sur f ace t ol er ances i n accor dance wi t h

ACI 117.

3. 1. 2 Fi ber Voi ds

Pl ace voi ds on a smoot h f i r m dr y bed of sui t abl e mat er i al , t o avoi d bei ng di spl aced ver t i cal l y, and set t i ght , wi t h no buckl ed car t ons, i n or der t hat hor i zont al di spl acement cannot t ake pl ace. Seal t he ends of each sect i on of voi d by di ppi ng i n par af f i n, wi t h any addi t i onal cut t i ng of voi ds at t he j obsi t e f i el d di p i n t he same t ype of seal er , unl ess l i ner s and f l ut es ar e compl et el y i mpr egnat ed wi t h par af f i n. Pr i or t o pl aci ng r ei nf or cement , cover t he ent i r e f or med ar ea f or s l abs wi t h a 4 x 8 f eet mi ni mum f l at sheet s of f i ber voi d cor r ugat ed f i ber boar d. Seal j oi nt s wi t h a moi st ur e r esi st ant t ape havi ng a mi ni mum wi dt h of 3 i nches. I f voi ds ar e dest r oyed or damaged and ar e not capabl e of suppor t i ng t he desi gn l oad, r epl ace pr i or t o pl aci ng of concr et e.

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3. 1. 3 Fi ber Voi d Ret ai ner s

I nst al l f i ber voi d r et ai ner s, cont i nuousl y, on bot h s i des of f i ber voi ds pl aced under gr ade beams i n or der t o r et ai n t he cavi t y af t er t he f i ber voi ds bi odegr ade.

3. 2 INSPECTION

I nspect f or ms and embedded i t ems i n suf f i c i ent t i me pr i or t o each concr et e pl acement 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. Repor t t he r esul t s of each i nspect i on 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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