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Modifications/Changes

in this updateDepartment of Veterans Affairs Office of Construction &

Facilities Management

DATE SUBMITTED: 10/01/12

DESCRIPTION OF DOCUMENT: (previous secio! i"e# !u$%er &!' '&e

0) )0 00 C&s*I!*P"&ce Co!cree (0)*11

C+AN,ES MADE:

Modifications include updating references, and the following:

Clarified testing for trial concrete mix by contractor

Revised requirements for moisture vapor emissions to allow alternatives to the moisture

vapor emissions sealer, and added moisture testing.Revised fly ash testing submittal requirements.

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SECTION 03 30 00

CAST-IN-PLACE CONCRETE

SPEC !"#E! $O#E% Delete et'een (( -- ((

if not applicale to pro)ect* Also +elete

an, oter item or paragrap not applicale

in te section an+ renumer te

paragraps*

PART - !ENERAL

" #ESCRIPTION$

#is section specifies cast-in-place structural concrete an+ materials

an+ mi.es for oter concrete*

"% RELATE# &OR'$

A* Materials testing an+ inspection +uring construction% Section 01 / 2

#ES#"$3 4A5O!A#O!6 SE!V"CES*

5* Concrete roa+s 'al7s an+ similar e.terior site 'or7% Section 82 0 28

CEME$# A$D CO$C!E#E FO! E9#E!"O! "MP!OVEME$#S*

"3 TESTIN! A!ENC( )OR CONCRETE MI* #ESI!N$

A* #esting agenc, for te trial concrete mi. +esign retaine+ an+ reimurse+

, te Contractor an+ appro:e+ , !esi+ent Engineer* For all oter

testing refer to Section 01 / 2 #esting 4aorator, Ser:ices*

5* #esting agenc, maintaining acti:e participation in Program of Cement an+

Concrete !eference 4aorator, ;CC!4< of $ational "nstitute of Stan+ar+s

an+ #ecnolog,* (( Accompan, re=uest for appro:al of testing agenc, 'it

a cop, of !eport of 4atest "nspection of 4aorator, Facilities ,

CC!4*((

C* #esting agenc, sall furnis e=uipment an+ =ualifie+ tecnicians to

estalis proportions of ingre+ients for concrete mi.es*

"+ TOLERANCES$

A* Form'or7% AC" 11> e.cept te ele:ation tolerance of forme+ surfaces

efore remo:al of sores is ?0 mm ;?0 inc< an+ -20 mm ;-8(/ inc< use+ as column ties or

stirrups is ?0 mm ;?0 inc< an+ -18 mm ;-1(2 inc< 'ere gross ar

lengt is less tan 800 mm ;12 feet

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#olerance of tic7ness of eams more tan 800 mm ;12 inc< ut less tan

00 mm ;8 feet< is ?20 mm ;?8(/ inc< an+ -10 mm ;-8(B inc

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participation in program of Cement an+ Concrete !eference 4aorator,

;CC!4< of $ational "nstitute of Stan+ar+s an+ #ecnolog, (( an+ cop, of

report of latest CC!4 "nspection of 4aorator,* ((

F* #est !eport for Concrete Mi. Designs% #rial mi.es inclu+ing 'ater-cement

(( fl, as (( ratio cur:es concrete mi. ingre+ients an+ a+mi.tures*

3* Soring an+ !esoring Se=uence% Sumit for appro:al a soring an+

resoring se=uence for flat sla(flat plate portions prepare+ , a

registere+ Professional Engineer* As a minimum inclu+e timing of form

stripping resoring numer of floors to e re-sore+ an+ timing of re-

sore remo:al to ser:e as an initial outline of proce+ures su)ect to

mo+ification as construction progresses* Sumit re:isions to se=uence

'eter initiate+ , !esi+ent Engineer ;see FO!MO!G< or Contractor*

SPEC !"#E! $O#E% Delete splitting tensile

strengt test of ligt'eigt concrete if

no ligt'eigt concrete or if onl, use+on metal +ec7 slas*

* #est reports on splitting tensile strengt ;Fct< of ligt'eigt

concrete*

"1 #ELI2ER( STORA!E AN# 4AN#LIN!$

A* Conform to AC" 80/* Store aggregate separatel, for eac 7in+ or gra+e

to pre:ent segregation of si@es an+ a:oi+ inclusion of +irt an+ oter

materials*

5* Deli:er cement in original seale+ containers earing name of ran+ an+

manufacturer an+ mar7e+ 'it net 'eigt of contents* Store in suitale

'atertigt uil+ing in 'ic floor is raise+ at least 800 mm ;1 foot IStan+ar+ Specification for

Cast-"n-Place Arcitectural ConcreteJ to

te Applicale Pulications section*

"6 MOC'-P$

A* "n a++ition to te oter specifie+ samples an+ tests construct a moc7-

up using te materials reinforcing forming s,stem an+ construction

meto+s propose+ for use in e.pose+ arcitectural concrete*

5* Construct te moc7-up 'it at least a 2* m , 2* m ;B feet , B feet>(A>>M-0***********Stan+ar+ Specification for Kinc Coate+

;3al:ani@e+< Steel 5ars for Concrete!einforcement

A>>(A>>M-0>***********Stan+ar+ Specification for Epo., Coate+

!einforcing Steel 5ars

AB20-11*****************Stan+ar+ Specification for Steel Fiers for

Fier !einforce+ Concrete

A(AM-0***********Stan+ar+ Specification for !ail Steel an+ A.le

Steel Deforme+ 5ars for Concrete !einforcement

C81(C81M-10*************Stan+ar+ Practice for Ma7ing an+ Curing Concrete

#est Specimens in te fiel+

C88(C88M-11A************Stan+ar+ Specification for Concrete Aggregates

C8(C8M-12*************Stan+ar+ #est Meto+ for Compressi:e Strengt of

C,lin+rical Concrete Specimens

C/(C/M-12*************Stan+ar+ Specification for !ea+, Mi.e+ Concrete

C1/8(C1/8M-10***********Stan+ar+ #est Meto+ for Slump of ,+raulic

Cement Concrete

C10-11*****************Stan+ar+ Specification for Portlan+ Cement

C1>1-0>*****************Stan+ar+ Specification for Seet Materials for

Curing Concrete

C1>2-10*****************Stan+ar+ Practice for Sampling Fresl, Mi.e+

Concrete

C1>8-10*****************Stan+ar+ #est Meto+ for Air Content of Fresl,

Mi.e+ Concrete , te Volumetric Meto+

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C12(C12M-0>***********Stan+ar+ Practice for Ma7ing an+ Curing Concrete

#est Specimens in te 4aorator,

C281-10*****************Stan+ar+ #est Meto+ for Air Content of Fresl,

Mi.e+ Concrete , te Pressure Meto+

C20-10*****************Stan+ar+ Specification for Air Entraining

A+mi.tures for Concrete

C80-11*****************Stan+ar+ Specification for 4i=ui+ Memrane

Forming Compoun+s for Curing Concrete

C880-0*****************Stan+ar+ Specification for 4igt'eigt

Aggregates for Structural Concrete

C//(C//M-11***********Stan+ar+ Specification for Cemical A+mi.tures

for Concrete

C1B-12*****************Stan+ar+ Specification for Coal Fl, As an+ !a'

or Calcine+ $atural Po@@olan for se in ConcreteC(CM-08;!200B

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D/8>-10****************Stan+ar+ Specification for Pol,et,lene Seeting

for Construction "n+ustrial an+ Agricultural

Applications

E11-;!200B

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lose more tan 1 percent of teir original strengt after eing

completel, sumerge+ in 'ater for 2/ ours an+ ten air +rie+*

F* Form 4ining%

1* ar+oar+% A$S"(AA A18*/ Class 2 'it one ;S1S< smoot si+e*

8* Ma.imum si@e of coarse aggregates not more tan one-fift of

narro'est +imension et'een si+es of forms one-tir+ of +ept of

slas nor tree-fourt of minimum clear spacing et'een reinforcing

ars*

D* 4igt'eigt Aggregates for Structural Concrete% AS#M C880 #ale 1*

Ma.imum si@e of aggregate not larger tan one-fift of narro'est

+imension et'een forms nor tree-fourt of minimum clear +istance

et'een reinforcing ars* Contractor to furnis certifie+ report to

:erif, tat aggregate is soun+ an+ +urale an+ as a +urailit, factor

of not less tan B0 ase+ on 800 c,cles of free@ing an+ ta'ing 'en

teste+ in accor+ance 'it AS#M C*

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E* Fine Aggregate% AS#M C88* Fine aggregate for applie+ concrete floor

topping sall pass a /*> mm ;$o* /< sie:e 10 percent ma.imum sall

pass a 10 Nm ;$o* 100< sie:e*

F* Mi.ing ater% Fres clean an+ potale*

3* A+mi.tures%

1* ater !e+ucing A+mi.ture% AS#M C// #,pe A an+ not contain more

clori+e ions tan are present in municipal +rin7ing 'ater*

2* ater !e+ucing !etar+ing A+mi.ture% AS#M C// #,pe D an+ not

contain more clori+e ions tan are present in municipal +rin7ing

'ater*

8* ig-!ange ater-!e+ucing A+mi.ture ;Superplastici@er

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;0*8Bmm< 1mil :apor arrier for a++e+

moisture protection*

* Vapor 5arrier% AS#M D/8> ((0*2 mm ;10 mil0 controls te amountof caron an+ oter elements in or+er to

minimi@e rittle failures +ue to

cr,stalli@ation of te ase metal*

G* !einforcing 5ars to e el+e+% AS#M A>0*

4* 3al:ani@e+ !einforcing 5ars% AS#M A>>*

M* Epo., Coate+ !einforcing 5ars% AS#M A>>*

SPEC !"#E! $O#E% AB2 is use+ for spiral

ties in columns particularl, in seismic

regions*

$* Col+ Dra'n Steel ire% AS#M AB2*

((O* !einforcement for Concrete Fireproofing% 100 mm . 100 mm . 8*/ mm

+iameter ;/ . /-1*/ . 1*/< 'el+e+ 'ire faric secure+ in place to

ol+ mes 20 mm ;8(/ inc< a'a, from steel* Mes at steel columns sall

e 'ire+ to $o* 10 ;$o* 8< :ertical corner steel ars* ((

P* !einforcement for Metal Pan Stair Fill% 0 mm ;2 inc< 'ire mes eiter

e.agonal mes at *BGg(m2 ;1* poun+s per s=uare ,ar+ poun+s per s=uare ,ar+

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V* 4i=ui+ ar+ener an+ Dustproofer% Fluosilicate solution of magnesium

fluosilicate or @inc fluosilicate* Magnesium an+ @inc ma, e use+

separatel, or in comination as recommen+e+ , manufacturer* se onl, on

e.pose+ sla* Do not use 'ere floor is co:ere+ 'it resilient

flooring paint or oter finis coating*

* Moisture Vapor Emissions & Al7alinit, Control Sealer% 100 acti:e

colorless a=ueous siliconate solution concrete surface*

1* AS#M C181 #,pe 1 Class A an+ AS#M C80 #,pe 1 Class A penetrating

pro+uct to a:e no less tan 8/ soli+ content lea:ing no seen

:olatile organic compoun+ ;VOC< content rating as re=uire+ to suite

regulator, re=uirements* #e pro+uct sall a:e at least a fi:e ; +a,s

after placing e.cept 'et curing perio+ for ig-earl,-strengt concrete

sall e not less tan 8 +a,s* Geep 'oo+ forms continuousl, 'et to

pre:ent moisture loss until forms are remo:e+* Cure e.pose+ concrete

surfaces as +escrie+ elo'* Oter curing meto+s ma, e use+ if

appro:e+ , !esi+ent Engineer*

1* 4i=ui+ curing an+ sealing compoun+s% Appl, , po'er-+ri:en spra, or

roller in accor+ance 'it te manufacturerQs instructions* Appl,

imme+iatel, after finising* Ma.imum co:erage 10m2(4 ;/00 s=uare feet

per gallon< on steel tro'ele+ surfaces an+ >*m2(4 ;800 s=uare feet

per gallon< on floate+ or roome+ surfaces for te curing(sealing

compoun+*

2* Plastic seets% Appl, as soon as concrete as ar+ene+ sufficientl,

to pre:ent surface +amage* tili@e 'i+est practical 'i+t seet an+

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o:erlap a+)acent seets 0 mm ;2 inces at no

a++itional cost to te 3o:ernment*

3"% CONCRETE SR)ACE PREPARATION$

A* Metal !emo:al% nnecessar, metal items cut ac7 flus 'it face of

concrete memers*

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5* Patcing% Maintain curing an+ start patcing as soon as forms are

remo:e+* Do not appl, curing compoun+s to concrete surfaces re=uiring

patcing until patcing is complete+* se cement mortar for patcing of

same composition as tat use+ in concrete* se 'ite or gra, Portlan+

cement as necessar, to otain finis color matcing surroun+ing

concrete* #orougl, clean areas to e patce+* Cut out one,come+ or

oter'ise +efecti:e areas to soli+ concrete to a +ept of not less tan

2 mm ;1 inc

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means appro:e+ , !esi+ent Engineer an+ , ruing ligtl, 'it a

fine arasi:e stone or one* se ample 'ater +uring ruing 'itout

'or7ing up a later of mortar or canging te.ture of concrete*

8* "nterior an+ e.terior e.pose+ areas finise+% 3i:e a grout finis of

uniform color an+ smoot finis treate+ as follo's%

a* After concrete as ar+ene+ an+ laitance fins an+ urrs remo:e+

scru concrete 'it 'ire ruses* Clean staine+ concrete surfaces

, use of a one stone*

* Appl, grout compose+ of one part of Portlan+ cement one part fine

san+ smaller tan a 00 Nm ;$o* 80< sie:e* or7 grout into

surface of concrete 'it cor7 floats or fier ruses until all

pits an+ one,coms are fille+*

c* After grout as ar+ene+ sligtl, ut 'ile still plastic scrape

grout off 'it a sponge ruer float an+ aout 1 our later ruconcrete :igorousl, 'it urlap to remo:e an, e.cess grout

remaining on surfaces*

+* "n ot +r, 'eater use a fog spra, to 7eep grout 'et +uring

setting perio+* Complete finis of area in same +a,* Ma7e limits

of finise+ areas at natural rea7s in 'all surface* 4ea:e no

grout on concrete surface o:ernigt*

/* #e.ture+% Finis as specifie+* Ma.imum =uantit, of patce+ area 0*2

m2 ;2 s=uare feet< in eac 8 m2;1000 s=uare feet< of te.ture+

surface*

SPEC !"#E! $O#E% 5e sure tat sla finis

re=uirements are so'n on te +ra'ings*

5* Sla Finises%

1* Monitoring an+ A+)ustment% Pro:i+e continuous c,cle of placement

measurement e:aluation an+ a+)ustment of proce+ures to pro+uce slas

'itin specifie+ tolerances* Monitor ele:ations of structural steel

in 7e, locations efore an+ after concrete placement to estalis

t,pical +eflection patterns for te structural steel* Determine

ele:ations of cast-in-place sla soffits prior to remo:al of sores*

Pro:i+e information to !esi+ent Engineer an+ floor consultant for

e:aluation an+ recommen+ations for suse=uent placements*

2* Set perimeter forms to ser:e as scree+ using eiter optical or laser

instruments* For slas on gra+e 'et scree+s ma, e use+ to estalis

initial gra+e +uring stri7e-off unless !esi+ent Engineer +etermines

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tat te meto+ is pro:ing insufficient to meet re=uire+ finis

tolerances an+ +irects use of rigi+ scree+ gui+es* ere 'et scree+s

are allo'e+ te, sall e place+ using gra+e sta7es set , optical

or laser instruments* se rigi+ scree+ gui+es as oppose+ to 'et

scree+s to control stri7e-off ele:ation for all t,pes of ele:ate+

;non sla-on-gra+e< slas* Di:i+e a,s into al:es or tir+s , ar+

scree+s* A+)ust as necessar, 'ere monitoring of pre:ious placements

in+icates unsore+ structural steel +eflections to oter tan a le:el

profile*

8* Place slas monoliticall,* Once sla placement commences complete

finising operations 'itin same +a,* Slope finise+ sla to floor

+rains 'ere te, occur 'eter so'n or not*

/* se straigte+ges specificall, ma+e for scree+ing suc as ollo'

magnesium straigte+ges or po'er stri7e-offs* Do not use pieces of+imensione+ lumer* Stri7e off an+ scree+ sla to a true surface at

re=uire+ ele:ations* se optical or laser instruments to cec7

concrete finise+ surface gra+e after stri7e-off* !epeat stri7e-off

as necessar,* Complete scree+ing efore an, e.cess moisture or

lee+ing 'ater is present on surface* Do not sprin7le +r, cement on

te surface*

* "mme+iatel, follo'ing scree+ing an+ efore an, lee+ 'ater appears

use a 8000 mm ;10 foot< 'i+e ig'a, straigte+ge in a cutting an+

filling operation to acie:e surface flatness* Do not use ull floats

or +ar,s e.cept tat +ar,ing ma, e allo'e+ for narro' slas an+

restricte+ spaces*

* ait until 'ater seen +isappears an+ surface stiffens efore

procee+ing furter* Do not perform suse=uent operations until

concrete 'ill sustain foot pressure 'it ma.imum of mm ;1(/ inc* Scratc Finis% Finis ase sla to recei:e a on+e+ applie+

cementitious application as in+icate+ ao:e e.cept tat ull floats

an+ +ar,s ma, e use+* #orougl, coarse 'ire room 'itin t'o ours

after placing to rougen sla surface to insure a permanent on+

et'een ase sla an+ applie+ materials*

B* Float Finis% Slas to recei:e unon+e+ toppings steel tro'el

finis fill mortar setting e+s or a uilt-up roof an+ ramps

stair trea+s platforms ;interior an+ e.terior

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* Areas tat 'ill e e.pose+ recei:e tin-set tile or resilient

flooring or roof areas +esigne+ as future floors%

1< Sla on gra+e%

a< Specifie+ o:erall :alue FF 8(F4 20

< Minimum local :alue FF 2/(F4 1

2< 4e:el suspen+e+ slas ;sore+ until after testing< an+ topping

slas

a< Specifie+ o:erall :alue FF 80(F4 20

< Minimum local :alue FF 2/(F4 1

8< nsore+ suspen+e+ slas%

a< Specifie+ o:erall :alue FF 80

< Minimum local :alue FF 2/

/< 4e:el tolerance suc tat B0 percent of all points fall 'itin

a 20 mm ;8(/ inc< en:elope ?10 mm -10 mm ;?8(B inc -8(Binc< from te +esign ele:ation*

c* RSpecifie+ o:erall :alueR is ase+ on te composite of all

measure+ :alues in a placement +eri:e+ in accor+ance 'it AS#M

E11*

+* RMinimum local :alueR ;M4V< +escries te flatness or le:elness

elo' 'ic repair or replacement is re=uire+* M4V is ase+ on te

results of an in+i:i+ual placement an+ applies to a minimum local

area* Minimum local area oun+aries ma, not cross a construction

)oint or e.pansion )oint* A minimum local area 'ill e oun+e+ ,

construction an+(or control )oints or , column lines an+(or

alf-column lines 'ice:er is smaller*

12* Measurements

a* Department of Veterans Affairs retaine+ testing laorator, 'ill

ta7e measurements as +irecte+ , !esi+ent Engineer to :erif,

compliance 'it FF F4 an+ oter finis re=uirements*

Measurements 'ill occur 'itin >2 ours after completion of

concrete placement ;'ee7en+s an+ oli+a,s e.clu+e+

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3", APPLIE# TOPPIN!$

A* Separate concrete topping on floor ase sla of tic7ness an+ strengt

so'n* #opping mi. sall a:e a ma.imum slump of 200 mm ;B inces< for

concrete containing a ig-range 'ater-re+ucing a+mi.ture

;superplastici@er< an+ 100 mm ;/ inces< for con:entional mi.* $eatl,

e:el or slope at +oor openings an+ at slas a+)oining spaces not

recei:ing an applie+ finis*

5* Placing% Place continuousl, until entire section is complete struc7 off

'it straigte+ge le:ele+ 'it a ig'a, straigte+ge or ig'a, ull

float floate+ an+ tro'ele+ , macine to a ar+ +ense finis* Slope to

floor +rains as re=uire+* Do not start floating until free 'ater as

+isappeare+ an+ no 'ater seen is :isile* Allo' +r,ing of surface

moisture naturall,* Do not asten , R+ustingR 'it cement or san+*

3" RESR)ACIN! )LOORS$!emo:e e.isting flooring areas to recei:e resurfacing to e.pose e.isting

structural sla an+ e.ten+ not less tan 2 mm ;1 inc< elo' ne'

finise+ floor le:el* Prepare e.pose+ structural sla surface ,

rougening room cleaning an+ +ampening* Appl, specifie+ on+ing

grout* Place topping 'ile te on+ing grout is still tac7,*

SPEC !"#E! $O#E% Cec7 4an+scape

Arcitectural Di:ision to +etermine if

retaining 'alls are to e specifie+ in

Site or7 Concrete*

3"1 RETAININ! &ALLS$

A* se air-entraine+ concrete*

5* E.pansion an+ contraction )oints 'aterstops 'eep oles reinforcement

an+ railing slee:es installe+ an+ constructe+ as so'n*

C* E.pose+ surfaces finise+ to matc a+)acent concrete surfaces ne' or

e.isting*

D* Place porous ac7fill as so'n*

3"5 PRECAST CONCRETE ITEMS$

Precast concrete items not specifie+ else'ere* Cast using 2 MPa ;8000

psi< air-entraine+ concrete to sapes an+ +imensions so'n* Finis to

matc correspon+ing a+)acent concrete surfaces* !einforce 'it steel for

safe an+ling an+ erection*

- - - E $ D - - -