ML19289F871
| ML19289F871 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 05/09/1979 |
| From: | Herr J, King J Gilbert Associates, Metropolitan Edison Co |
| To: | Lainas G Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 7906200510 | |
| Download: ML19289F871 (17) | |
Text
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SPECIFICATION FURNISiiING AhT PLACING NONSiiRINK PORT!aND CD*lNT GROUT 7pae Nice 5i. i=~s /-)ve e. m h -70 ~
%'" E (STATION NAE AND UNITS)
SP-
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(D/.?S )
r WWr*wvou s7YAs
/ S O sd (CLIENT NAS)
/
WW I kJ fr -
h (CLIENT LOCATION) d C k'~u / J c. M=ze-CRIGINATOR DATE 1
A/ N APIIt0VED - PROJF.CT ENGINF.ER DATE APPROVED - ENGINEIRING DEPARTMENT MANAGER PATE 7 9 0 6 20 0 5!c d5N -
Gilbert Associates, Inc.
P.O. Box 1498 W.O. C7 % 4 8 7 3-C 0 0 Beading, Pennsylvania a ela G52-
/
/
4 11 (SP-NLMBER)
(DATE) cggENTS Sectios Title Pace
/D D
m USE" NOTE:
Sgand3rd :mefions usegt._ specific p(roj ectjou TFbrincluded here.
/
V FURNISHING AND PLACING NONSHRINK PORTLAND CEME.NT GROUT
_ -1 through _-12
^
A WER 4 y 1d/o p Kcti ppl ATTAC?T!T3 f
USED.iOTE :
If project s
..i 'ations to beJ attac5te M dicat the::: k b/y numbe tie, and d e.
V f
OY
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O 240 053 i
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- - - - - ~
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b SECTION CONTENTS Article Title Pave
{. 01 Scope of Work
_- 1
$.02 Work Included
-l
[.03 Work Not Included
_- 2
- h. 04 Codes and Standards
-2
- b. 05 Materials
-3 1 06 Qualification Requirements
_- 5
~
[.07 Design Mixes
__- 7 r
,V_. 08 Mixing and Placing
_- 7 e
p_. 09 In-Process Testing
_-11 j
f M.10 Quality Assurance Requirements
_ 12 A SER NOTE:
7 e CONTENTS p y rema M s is or the inapplic' Je Artic' f
titles s on1 be rec 6ved in the/ final te' a ruf "N App a le" not af ter the num/ber.
.n orde/r o avo d rrors inp r referencing tb
.srticle oers s[o s
not be ch ged in either case.
d
~
_- 1 240 054 6
a 13 t
(SP-NUMEER) o (DATE)
I SECTION l
l.
FURNISHING AND PI. ACING NONSHRINK PORTI.AND CEN GROUT 1.-
l
.01 SCOPE OF t'ORK The Work perfor=ed in accordance with this Section shall include furnishing all labor, materials, equipment, services, and accessories necessary to furnish, deliver, and install nonshrink portland cecent grouts for use un+ r ; g.,
2_y,;.;_ _. M eph e, _adu-x
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p t ' c '_ - -. _ _,
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, _..; tn py R. o u u n-pepr f ru t p-fr-7's" : FoR 2u f
D a 'N nent AEm o vez a vs re r7.
_. 02 WORK INCLUDED
- y. ~7 and]renumerL1 wing it,gdo n
- ppp,
,138ER WTE:
If the th p aun y.nn paragrap s The Work shall include at least the following:
i 1.
Qualification and certification of required =aterials.
2.
Supplying materials necessary to produce the specified grout.
3.
Providing and qualifying grout design mixes.
4.
Storage of materials.
5.
Cleaning and preparation of areas for grout placement.
6.
Providing materials and construction of necessary for= work.
7.
Placement of grcut.
8.
Cleaning and remov::1 of forms.
l 9.
Finishing, curing, and protection of exposed grout surfaces.
l
/
/
/
/
l
,US E NOTF:
(Ify ropis ttsting i-o be don y'Othere dde te ibparagraph '.
Coord' te wit.
pa2ag ap b.09
's
/
l 10.
Providing in process testing.
240 055-i
-1 t
b f
14
.03 WOPI NOT INCLUDED c.m e' # # # a '#-in The following items will be provided by Others,o:
cre nth.
o f th h Sp = G f a c ;.
2
.11 d' live. y are
'rt:ded in this Ijf.-ete
^._ooseopkionB deleteIA f
USER NOTF.:
e Spr.ci q icu Otherwise' cose option' nd delete B.
s p-Ps. tr< E
,,M.
Concrete wil' i; p W c' L, 0 -h fMW W
c: -r:E-A"G.J M G hivu r J
2.
E= bedded items and accessories.
~
D M L3-Tt:8aE U "- W f
Gront'iir patching and filling.
M L9.ondedTt W % W M Te G d AV g Grout for use unde-baseplate supporting aquipment where the nanufacturer's guarantee is contingent uir a using his specified grout and/or grouting procedures.
p Creur fo-q2is so,nsT, tunne.1 -Ei 3pMon_
a-generr[ purpose wors[
f for p d ic@y7 di USFJt" NOTE:
-If in-rocess test,i g iss inclu M uhe Wo ',
j d
e subparagr/aph 9.
s V
M p.rA7fe.ys.S g g(.04 CODES AND STANDARDS P
t the Work only The following codes and standards wi'Al be applicable where specified herein:
~
1.
American Concrete Institute 301-72, revised 1975 (ACI 301),.
" Specifications for Stnictural Concrete for Buildings."
2.
American Public Health Association (APEA), " Standard Method for Detemination of Total Solids."
240 056
-2
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15 5
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p.,=~~.-
3.
American Society for Testing and Materials:
C 31-69 (1975) (ASTM C 31), " Standard Method of Test for a.
Making and Curing Concrete Test Specimens in the Field."
b.
C 33-78 (ASTM C 33), " Standard Specification for Concrete Aggregates."
c.
C 109-77 (ASTM C 109), " Standard Method of Test for Compressive Strength of Hydraulic Cement Mortars."
d.
C 150-78a { ASTM C 150), " Standard Specification for
- Po rtland sCement._". ~ ~~. _.i...,. _ '.J...,. ~,.
~
C 227-71 (1976) (ASTM C 227), " Standard Method of Test for e.
Potential Alkali Reactivity of Cement-Aggregate Combinations (Mortar-Bar Method)."
f.
C 309-74 (ASTM C 309), " Specification for Liquid
~
~ Membra,ne-Forning Cocpounds for Curing Concrete."
g.
C 404-76 (ASTM C 404), " Standard Specification for Aggregates for Masonry Grout."
h.
C 451-75 (ASTM C 451), " Standard Method of Test for Early Stiffening of Portland Cement (Paste Method)."
i.
D 156-64 (1977-) (ASTM D 156), " Test for Saybolt Color of Petroleum Products (Saybolt Chronometer Method)."
j i
j.
D 512-67 (1974) (ASTM D 512), " Tests for Chloride Ion in I
Water and Waste Water."
I 4
U.S. Ar.sy Corps of Engineers:
l i
i CRD-C79-58 (CRD-C79), " Method of Test for Flow of Grout a.
Mixtures."
b.
CRD-C588-76 (CRD-C588), " Specification for Nonshrink Grout."
i
.05 MATERIALS
~
.05.1 Grout shall consist ofje,nc sfa h: 4
1 "
g Jr pre mixed, Mackaged portland cement grout which requires only the addition of waterg -
rec :gp %
~
e--
e v f [d'd1 at of and c
, agg.reggt
-r, and A e
a ive
.eferred o as "jld>--ffoport: toned". g Y&S 7t x._ Ft.o w ]l.3 " ): )
rr n i /W7u n-:'D Cf 5 Swr S nr*1-t.
6C rte rra. b on. o w o.a-E Q.uju..
_-3 240 057
.// -
/
16
/pC1 '".$
s' Q p.oo -
-f s
Y.
L% -
weei.s 2.._ _ m
- a. h shall be delivered to the site in the manufacturer's original containers.
Each package of premixed grout shall be accompanied by printed instructions from.its manufacturer for mixing, placing, and curing.and s'ci_'
_n r1 Ide--
n t-empec. m l w o & ns f ar _ce 4th o
h er chall7tintorf J.n- _ 4 a p h
S. , ; igae ag:. '. c f-thts-Spes-i-f--i-h.
[,,.:;c+5T~
Mal,1 cemfis.t#de follouing VFor-J:rnd-cem-:rf:
PortlanFcement shall conform *o ASTM C 15Gr'Ty~ Pe I, II, IV, or
_ V, an( minimum 5 ", l ch6ical recuirementfinal ye d ation f,o d alse
' 951.
The loca of maximum'0.60%
alkalies required'if the finedad coarse aggrIgates are -no't shownfo be nonre' active in acc'ordance witir ASTM C 227~~ as interpreted by' ASTM C 33/
~
[ Fine 'l;greg_ ate: _...
Sas onform @ AS W O
[ Ckr.se-agare [
KD-@J M h A 1 d _.
/, O $~, [ M Water and ice:
Water and ice shall conform to ACI 301,, cxc y a=&w a.
. f. _ac=r.a
- b 1 a; Q 1 b:-r2?c s th_di F 'M 2
c2m s
e
/~
/
NU NOTE:
Delui{rsub q r d b.
a ~ ~
i,f-t'es tyg. '
g
(
s egr ssive.
/
b.
The pH of the water shall be between 6.0 and 8.0.
c.
Water shall not contain more than 250 p/m of sulfate ion in accordance with ASTM D 156.
d.
Water shall have a tota) solids content not exceeding 2000 p/m in accordance with APHA " Standard Method Ior Determination of Total Solids."
gMade:
g a.
The e-ing ad e shall F anuf r use and y u grouting.
_4 240 058
L 17 L
The expandi addit jv 7 all be use Q trictly in i
h f
a cco rd.adce th cafuf acturerMcoc:mendat6n's.' Th
^,
expadsiv ec,hanism sh'a d t be th d s-liberar I metal-or34ifing type.
V 1.
Ge ral purpose grout (GPG):
i General purpo[se grout ll sh 1 be used un convibratory equipmentduchas tank and column ba.
s.
It shall-also be i
used far' setting anchor bolts and/. sleeves in condete slabs and whils.
Grout / ype GPG conta' ing coarse agg;e' gate will
}
hav[the letter T" added to e designation PG-T).
,/'.
[ibratory/
- 2.
chine grout ( G):
m 1
Vibrat'ocy machine g[r5U.shall be used'to._ support equipment exp te'd to vibrate such as =achines co aining-rotaYimg or re procating co=,enentis and crane rail.
This grout hall' a,.so be used for sett'ing bolts anchor-g vibrating e uipment.
I It shall contain a dine metallic a
.egate, which d'oes not create expansion by oxidation or, gas liberatio to add fatigue resistance to th'e grout.
Grout / type VMG conta'ining coarse aggregate wilIhave the lette/"T" added to/the des'ignation (VMG-T).
?
[ Dyad h
t:
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/
3, 1
, pack grout shall be used only where specified on the entract Drawings.
/
/
/
For filling areas where the =axi=um clear vertical dimension is notove'r6 inches,[thhgrout shall be e GPG or VMG.
fillingare)s
[
typ/
I
- S.
To
-here the least vertical dimension is greater a
thin 6 inches ind the ma i=um not over 12' inches, the grout shall be type GPG-T o G-T.
I e'*6.
For filling areas tIeaere the least vertical dimensi15n is betwe -
~
[
w L
2 and 6, inches,f GP6T or VP CONTRACTOR may-submit a
- ziz for6 approval.
i grout
[
_. 06 QUALIFICATICN REQUIRFlENTS i.' (
Y i
M.06.1 Grout-sN%4% shall ~ meet the following requirements when 1(
n-mixed to a fluid consistency of 2712 seconds in accordance with CRD-C79:
y
- 1.
Maxi =um chloride ion content of 250 p/m.
I i
l
~
240 059 i
~5 lJ ;
4' 18 i
.6 2.
No shrinkage at 28 days when prepared and tested in accordance with CRD-C588.
83.
Maximum 0.20". expansion at 28 cays wnen prepared in accordance with CRD-C588, with the expansion at 3 or 14 days not exceeding tae.28-day expansion.
0 fs00 Minimum cube strength of M lb/in at 28 days when prepared 2
J f
and tested in accordance with CRD-C588.
fL-
__.: ;c -
.c.-
r: _-
- T -
No -1.1bl teedi ror up to ^
ours a#*
1/2 gallor
. gro "
mix at 4"
.5 F, po into gallon can ered'wi a
a gl,as pla*
to preven vapora*'
n, and til at 10-mi te inter-s to obse - any bl a water at
- e lower ed e.
i bl observati can sha-be immerse to half-pth i water 45* 15* I.:.. :.... _- -
._ s 1 -
g ~No vi le bleed' g by
- t in__subpara japh 5. a lait of pot
.e of gr Gro sha e contiduously
.tated du ing holdin-eriod ess erwise ecommen by the manu,acture.
Limi of pot
.fe is d ed as gr t Isist no d ss than 30*. by
- e flow tab _, ASTM C 109j sectief8.3/except th table s' 1 he drop d five t4 s in 3 pe'condsfifter fil, g the afd to withi 1/2 incb of M op, puddlipgwithglove[1# finger [overfillin, and cupdn excess.
'.2 G gr typec N and VMG-Lshall conra '
tdeast coarse ydggrep e bv eight s all m irem paragrap _.06 ' at bparagraph'. of this,C_o e of 130 **
the ASTv 1
a co e'
S-MIif '
ion.
~.06.1, tabl as
. led by n
.a ph
/
_.06.[ " M grout prepared with only enough water to meet the following Dry pack grout shall consist of factory premixed W 2.
. _ J CZ _ c requirements when a sample of the mixed grout is pressed in the fist as tightly as possible:
1.
No water shall squeere out from between the fingers.
2.
When the fist is opened, the palm of the hand shall be dacp but not wet, and the sample shall retain its shape.
3.
The sample shall break clean, without powdering or crumbling.
te h
A
~
240 ogg
~
_- 6 e
a
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19 A/
p.06.[
Test results indicating cor.for=ance with this paragraph shall be submitted for all materials and each type of grout intended for use in the k'o rk.
If materials have been tested by Others and meet the requirements of this paragraph, only evidence of such testing is required to be submitted.
.07 DESIGN MIXES 4,.07.1 Design mixes shall be prepared for each type of fluid or flowable grout to be used.
The mixes shall be designed for use at 70" 110 I and for such hot and cold weather placement extremes as are anticipated.
e,07.2 Design mixes for dr7 packed grout, if specified on the Contract f'
Drawings, shall be prepared to determine proportions of cement and sand needed to meet strength requirements at dry-pack consistency.
u t.
/
/
^
US' JOTE.:
Cho<Cse opp A-or B.
e tion cho sen'.
Se entary
- this,p agraph d%.0 For h
e of luid o :lowabledrout to he'used, dats relating
/
/
. /
/
/
p ater-.e=ixe grout water : cem/ent rat:4 cocpressive s t r en gt'h,
an
.lowab4 ity sh he submitted bef de a,ny grout/ s pladed.
i ese data'sha oe obtain[d for three degrees o[flowabIlity
[
'ofwh[ff sha be abov one belcI, and one w[ thin th'e requi
- ran _ o sowabilit for the y'pe of groutiested/ Simil I data spallbe'submitt-for dry k grout,e'Ixcept t/at th
_hree t. d shalL be made at as near/the require.d consistency as f eas ihl-6I s-t A*\\ 'g 07.3 For each type of fluid or flowable grout to be used, the proposed mix design, water: grout or water: cement ratio, and cube strength shall be submitted before any grout is placed.
h em for gt t ax e
w /
~.m
~c-or wa e - ement ra t1 t which e grout 3 ifies.
.08 MIXING AND PI. ACING c
f.t_W D g.08.1 Factory premixed grouts shall be mixed in accordance with the y
nuh :turc;'; r;c =:ndaticas f=u t c o u s ~ o-F" Acc e o v rz E
- f,0.hst
[7m&t a d 7l3 in en n w c-c-.~ mitv E R_.
XuuL SAG of
- 2. />o n r, m u rue-n ( vewwe a) mov~ r o p-w m s~o ice (oo
~ < - -
a-o o ice n w,m-.<_ em i r-e>
-: 04-5 v x a.
d LI & s u s. 3:wpz.en..nu1.en.
Y !a-ca o n.n. c, r1 t 1-o u rt L S t
- v '~
an z
l% 4 '~' 0 0 N M L A. c <-m y.
w o r-H.- rti ~ 1 a v r
n t >u ~ s--
M'~ r-DF w E-(1 s ~ Ls T E.
kr-rrn.
rns w c DFS G n.a.o r
.5 m+L G * " "
- f:Lu i D co*Jansf'Sucy o s: 3 8 Tb Z,7 s e t.m d> o S w N o *
- hE W'd 00_ C #
fo u f 7 7}E' r-'s L f--E'O G-K uv T-i r# To W f-- b l W D L oV %
('u t-i P.
7~gt n t T~*~' "--
S "' -
5 E A'~ "
" ~
__- 7 240 061
e 20
_.08.2 16byr'oportidned grou,t'shall be mixed in,accordance with the y y
[folIowing,grocedure/unless the':anuf actuter,cdhe exp nston almixtute recocm dds otherwiIe:
/
Th[mixerssIh'a1N1e'TaTdiatpf orts
~ ~ -
1.
i f s.
-9dther s
dechanical ruers ofM'n/ table,ypacity gug mixing u
cement-san [ grout //
' Suffi;d mi,x;ng[fapacity enable
~
/b-
<ieQo 2.
tinuabs 7out acecedt (not =o-an 5.-min M ay r as by th M itive ma#cnIacturer, $_cween N mes).
recomm M
3.
'" Ire ing redient e hall be added
- the mixer (mm g) in the follocin
.cer/ All mexarements shall-di n 3.5-.o.de rec [i-weigy oyenh ingredi-M V
a[ Mixin -vatGy wei kMing int s Ma.
conteht ofaIgre if/use Exp/and-ing [dmixture."
b.
P[
a d cemen.
c.
d.
.r in agg gate Coarse aggregy, if a,ny e.
- c. -
t sh-sT' be mixed for 3 minutes or [ng The gr?
p.
as
.I recem=end'ed by the/ add'itive-canu:actura-s req tred to-f.
/
u 7-
/
s.
/
- om lump / p produce a smooth, cr-acy mixture, s.
.08.3 Trial Placements:
1.
The CONTRACTOR shall submit procedures intended to be used to satisfy the requirements of this Specification.
2.
Prior to the placement of any grout in the job, the CONTRACTOR shall carry out trial placements for each grout mix proposed, using intended procedures.
Trial placements shall be made AnovN o PIM e r orw.,4 pa re. -r-# e h r,:1h o f the '.u c _- e-4 size..rto be grouted in the Work, shimmed and anchored to Iconcrete M 1 2 _
J.; :ff the e M
..m tem.
e, p u e --
- a not greater than the leas" I-
~ Space to be grouted in the W d ywd ft & rr w T~~
3.
The CONTPACTOR shall M the trial
_,c_ yl b to check the condition of the grout.2c' th: 'p J -.t c - wk # -%
L e *b-
--w
, a -3 c_h-p If there are any voids exceeding I inch in diameter, if the contact area is less than 90%, or if bleeding, segregation, or aggregate settlement is observed, either the design mix or procedure,.or both, shall be revised and another trial '-
,' u placement made until these conditions are satisfied.
240 062
.______-w
21 ithe cBu [ k h C M Y M of
- h< hM COS2ACT7e'Eav duri
-[,A-p.a'ra g,%,aptL[c t t [d pariq A
e 0
. ap h.@grQs sa ti al e d, th e gr,gyt:-
7 saati b /rea andre % aced.
.08.4 Surface Preparation,ddk-4mV f
a s - o =,c r e o p y come v ru c t.
- 1.
The surface of the concrete shall be #i+humnJb-l a s ted, bush j
' - - - ~ '
'- il.; d := present a sounda :-7 surface free of i
laitance, cil, and other contamination.
E
_ _ _ it is -+ cleev-s kwa k---
p ', r -d kn'-e i r t : --whi4'W cr ; alt s-b,.
3--,,
oa._ 2 a ; - w g a 3..
n
--,,3 e.,ed,na s x
-t e rgh e
e h
- ^
' ' ~;-u :.l.au..e e n :
-4 a i _ 3. ~ tc.d ch:11 be
{
sealed 'r'i-**'
c; -.lon of salicd h '"
- ba-2 3.
4.
_b "
- M C t 27 i.6A-The a[g ve fe-e rn.rrrra a A ssEt,ot 'l
~
2.
ng 1_1
~___
f--. shall be cleaned of loose rust, mill 4
scale, oil, grease, and other foreign material before being set into place.
3.
The concrete surface _.-
shall be thoroughly saturated by being maintained visibly wet for 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> imiediately before grout is placed.
Standing water _
+
w.
ee - 19 ', shall be e c u before grout is placed.
D A A' ^' C o r
j rh' e' top o f' the nla te o r-Sordall be fixed around each'd
- 44 basGlate the level of o
I ibe#e the ev11 of
- Iapped'/
7
/ar/ /eas unu/er the,y/ 'a/ N 61che/
\\
/N. /
/
ver
.s h\\gner.7t orms on,the/
l te pduring/ side f de
^
late /shaIl b'e'rais'ed 'ro-p'e/eIidd [a f flowund'er th 'pl$te Fb sufficient d/fo de gront to
\\
shall/by/' calked ed th' in.s Ide to pre 4entDenIIge,/using/the /~
prout male [ial/Is is to be pour,ed but dixed 't'o a p'lastic j
sam f
co'n istency.t./
/ i
(;_,,,, y, L.o v o ? P & WAM "M NA'?
D V
7p p u c. e -,f '2 VP W 6 0 5'
_.08.5 lac o{
C r-e' 1.
Ancdor bolJ shall'he filledffirst.
hole If interference from f - ork 's ant cipated anchor bolt holes riay be 'fi,Iled a ay two i adva ce provi ed pres king of the cener *e is as se/n as th holes h e been filled.
resume
/'.
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[
i r
2.
Grou shall e pour from o y one side of the plate, s ta rting er and mo,ving acr ss the same side o the ther
/
at e co co er, til the tire sp ce is fi2ded and the g'r t is y
. f, sible n the op osite s' e at the o
he pig e.
flo/
/pof
'j
/
/
i,
- 3.
e gr<
- t. may b kept wable dur u g short-pauses in pourin by wo ing it v th flit Etee.1 s'baps ('no t/ chains) prefera y i
v v
inserted frcm t e pouring side. O 240 0.63
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2-Kwa D iz-e, rv punp, eoui:-
a.x.a u r, ~ =
r= ?s e,,
% rfw r ? u r1 P.
fu N P 0>- ic o u 7 ro t~ n r c=
u n 71 c.
GILO u T.
C o M i tv-c-o u r 6-ti o u T-y--s.5 ?
l= est.s S i es t L nt.
.p
}, p / cx, p../.A LL cr it o u r a e t. u res rno er.
p T~rt-Y;-r I rv t^ ' M n~
Pve P A~o i+v s e M
6 u~ : "
D'3 d M.
f C'~O I lL cc T-f= tat o r yL o r-1 G-k. O u 7
}-}-o 3 C--
FL & ci R. c uLk7 n.
.. -; u-So N C-c-r L-o u r L i r,.o e-
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kT h~o ^
v J y-L v G--
j= T
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5 I M C'.
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Grout shall not be vibrated or placed in areas that are vibrating.
Grout shall not be placed when the temperature of air, plate, or foundation concrete is below 45 F.o.
_h-
^_ _._ ; ; ure' c,: if M - -- M aetur :, -h.id euc __ h6n The te:perature of the grout shall be =aintained at a minimum of 45" F C r :::.2 3a=
3 "- th: m a n fw _ _. u.
2 u a u
.___,r__
___; w for 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after the grout has been placed.
Thercafter, it shall be maintained above f reezing until-the grout has attained a compressive strength of 3000 lb/in'.
or for 6 days,,
whichever occurs first.
p &e r rxu ~jpo ~ y 6.
.If the ambient temperature exceeds 80* F, the.1> m l m t e a n d',, s v e n. o s m ~ <s-y concrete shall be cooled by =eans such as
' ' #,g m d pl m c. i a. c. v u r,u.
r suu m ; burl::t
- tu bse l2te L..
3.~_.i i
c o c.. u ac, w h yn.p. su c-W 7~n-S=
c. n. o v r > n t--
S Y S MM.
i 7.
Mienever sufficient handling and placing time is desired at ambient temperatures near 80 F, iced mixing water may be used in place of some of the batch water to extend the usable life of the grout, provided the temperature of the grout after
=tixing is not below @ I.
The total of water plus ice shall not exceed the mixjiesign water content.
L4/O "
[ I. =ax4 A placingh(fitsexceeding# inches PG and VMG excee ing/6 inch'e's in type r ts be a,4ed lifts ot
~
g g
rndy ' 5polts).hT$ere sia/liftsg ot
_x c e e'd in'g/
de o-P -T e j oute 7
I #nc es Jex _y aNea fo-anc pt
!.3kurcc.ng period between lift placements.
_.08.6 Mmng and Placing Dry-Pack Grout:
1 1.
_f. dent-and fine q m gat n:11 fi.
.':c thertughly -ixed se hetory packaged WhJWgrout shall be used.
Coarse aggregate shall not be added.
2.
The grout shall be mixea by hand on mortar board with water added as needed to provide the consistency described in paragraph g.06.3". 2.
3.
A handful or two of grout shall be placed
. -.. : ^ r - _ :
ne;ct t)>E ru-e
.st e e ~-
c.
the space to be filled and rac=ned into place ka..,7- ~- "e f = ;
t' 1-p-u.-.cm-L w'
.~,_
W 1-i30 Ofj l250- ht
'.211 c"u'
~
.,%g3pg r
a= a -
u
..a.~f.m__ u.~15; uu e -.,
C_ - :.- Care shall be taken to avoid e-4-3-~
--%d' a
,1, %u u. w*i--
,noc r b :1*.s.
O n 1 P L. At N C-.
72td /4 /7?
.s t. c===v E.
4.
Grout shall not be retempered by the addition of water.
Grout f
that will not hold its shape when squeezed in the fist shall be
/
1 discarded.
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240 0.5
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23 5.
Grout shall not be placed when the tecnerature of air, plate, or foundation concrete is below 45 F.
The te=perature of the grout shall be maintained at a minimum of 45* F for 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after the grout has been placed; thereafter, it shall be maintained above freezing until thq grout has attained.a compressive strength of 3000 lb/in' or for 6 days, whichever i
occurs first.
k.08.7 Finishing and Curing:
TtfG Cv g ou1~ *
- L t_
tu o T* f, G Ee-P 0 5 cm RND /V o ( *N
'm f*g po:,Jfou h.
Ok, l
-4 u. - all h c e.i as.ollows, uni._ 4.,
u _ J.. c t._ : _
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{ 'f '..,, w sg
- p. :=-tn.u l G- &0 ht" f 5 MM G M 1 5 "M 0 N*T p; n ou n g u u T1t G-st.a,.> r Mrs W M '* w f~~
C ' '1 P A.*~3 s i v 5'-
o I"
k c c cc a s--.g - " * * ' -' a r ini*i
f etirh that grout is not j
-a*
damaged by wet clo th o r b ur.lanl-al l ar csed e rf ar.:-es-s L a u Te q
covere 4th v % ~or burlan
^1 shall be maintained i
Ay wet _;. y u._
..y, 4 to, p mo3sture 1{
~*-
1oss frort geSiit.
g % W *sr_;a= W A g sja 41_-
1
'~
_b M ed w tgl.otyr._.bu:dap-fcr-4a-troheash
{
.l fV
(
i g
c 2.
When-t has
'ipned suffjicie:rtly to be trowelled, any G c as s,p2-lfe'd over/and ac " tria Ee d on op of bl 7 mess grou at oved until/gro
- flush' the pr at shall e
- . s t
o the e.
Th aring cloth saf e removed te=po,rarily for P !
this purpose.
c.
3
-as shal' o be removed or grout disturbed _.helow th level gron* I suf#ic I tfa rd' o th nders/deo' -me plade unt 4' f
_ penetrat/d the go dt of M ad-he f a it ca t
trowel.
Dv SteyGoval
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ur G
curing c,o M f ing with
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[.09 IN-PROCESS TESTING
~
USER NOTE:
f testing 4s by 0 rs, delet so
/09.1
/
which ers r ing o
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.09.1 Each fluid or flowable grout mir shall be sampled at least twice in each day's work for strength testing in accordance with CRD-C588.
Samples shall be taken from grout as mixed in the Work.
Specimens shall be molded in accordance with section 10.3 of CRD-C588 and 240 06s
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protected and cured initially in accordance with section 7.2 of ASTM C 31.
Specimens shall be undisturbed during initial curing.
At 20 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after molding, speci= ens shall be transported, witn as little disturbance as possible, to the laboratory and protected until testing in accordance with section 10.3 of CRD-C588.
Z h.09.2 The consistency of dry packed grout shall be measured for each batch by the procedure described in paragraph 1.06.2 Samoles for strength tests shall be taken from job mixes as they are being placed at least twice in each day's work and molded in accordance with ASTM C 109.
Protection, curing, and testing of the specimens shall conform to paragraph [.09.1 of this Specification.
k.10 QUALITY ASSURANCE REQUIRE.%VIS
~ '
The CONTRACTOR shall provide certification that each shipment of premixed grout or caterials used in j ob-mixed grout comply with the requirements of this Specification. The CONTRACTOR shall also certify that each batch of grout has been mixed in accordance with the requirements.of this Specification.
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