Placing of Concrete
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Transcript of Placing of Concrete
Tc
Atin. :
lvt/s Costain lnternationa Limited
P
O
Box 1029
Al-Jubail 3i
951
Mr A Cockerill
Project Manager
A -Yarnamah Hunter
Project.
Phase-l
I i
f',tethod
Staternent
-
Placing
Concrete
Packages
A
&
B
Subject:
Centlenren,
We
enclose
for
lrour
infoi'maticn
our Method Statement
nesrnc
&
slfod
contracting
co,ltd.
for
Piacing
Concrete.
Ycurs faithfuill,,
fcr- LFSt,'\,\ &
Aifadl Conti'aci ng
Co Ltd
o
//
//
]
RCCER MALEK
Area
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NA/CIUHP/202/265lrdm
24
July
1996
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NESMA
&
ALFADL
Contractir:rg
ComPanY
Limited
Project
Phase
III
METHOD
STATEMENT
FLACI}{G
COI{CRETE
7.2
i.0
1.1
7.4
2,1
11
PREAMBLE
This
Method
Statement
sha1l
be
read
i'n
IA.44C
Placing
Concrete
:
General"
and
1nnrIlir
Crew
A :
Crew
B
:
conjunction
with
"CIL/DMS/
is
only
tmended
to
add
detaii
Additionaliy
:
Concrete
crews
u'ill be
formed
for
main
activities
examples
of
which
are
:
Fcundation
Bases,
ground bearns,
floor
slabs
Cclumns.
\\ralis
(
F
Orher
crews
wili be
formed
of,d
job-specific
basis
preferably
by
splitting
an existing
cre\v(s)
and
supplementing
both
from
newly
arrived
labour
having
due
regaici
to their
previous experience.
PREPPJ-{TIOI'{
in
seneral,
"CIL/DMS/
i0.440 Section
2.0
Preparaticn
before
pouring"
r,viii
be
followed.
*T:ltJii:'
i,r-nin.rr,s
inspecrion.
ihe
area comprising'ihe.
concrere
pour
iviil
be cieaned,by
an.v or
a
of
means
eg,. brushing,
Slveeping,
ccr:rllessgd
air.
:ic.
.Icints
in
fonas
rvil1
be
rapeci
o.,'cr
internally
and
at
exposed
construction
;.,its:g.
u'aiis
tr
bases.
lhe
exposed
face
will
be
"Seal-d"
by
placing
the
Slluiter
|iDOn or,,i'ilh
a
flexible
medium
eg. a
strip
of
compressi'iile
foam
nri-cer
so
as tc
til:'
io criifinise
wateri
grout
1oss.
rri
i.a-T\G
trOi-;;ji,lE\T
L^i r-,v
\< \rl
In
general
"CILIDI{Sr'10.+40 Section
3.0
Pl:icins
Equipment"
wiil be
io11owed.
ACditionally
:
Concrete
will
be
tiansfered
lo
ihe
concrete
pour
generally by
means
of
a
concrete
pump.
IJowever,
any
or
a comblnation
of meall5
eg.,
the
mixer
chute,
ciane
anci
skip
or
ciumpers
and
the
like
may
be
used.
Preferred
methods
are concrete
pump.
chute,
crane and
skip.
1._i
J.U
1l
MS Porrr l oc
"lt#
:
NESMA&ALFADL
Contracting
ComPanY
Limited
llunter
Project
Phase III
(
---_-----+r*tf
.-.;+-*ii
4.0 DEPOSITING
4.7
In
general,
"CIL/DMS
110.440 Section
4.0 Depositing"
will be followed.
Addirionaily
:
4.2
For large
or complicated
pours
a
diagram
of the
placement
pattern will be
prepared
prior
pouring
and
pouring
crew briefed
accordingly.
The
approximate
thickness
of
each layer in multi-layer
pours wili be shown.
4.3
Wherever
possible
concrete
will
be
deposited at the
required
point
of
placemont
commencing
at a corner and
thereafter
progressing away from
previousiy
placed
concrete
towards the
centre.
Where
a
concrete
pump is
used
ttre
free
end
of the flexible hose
will be
placed
as
close
as is
practically
possible
to the level
of the
la-.ler being
poured.
14.C
I.{IGHT
\\TOR.K
14.I In
eenerai,
"CIL/DMS110.440
Section
14.0 I'iight
Work" wili
be
foliowed.
.
.,
:ir...i
.. .A,dciiri'onrll_i
:
in: eih51.
.
-
.
;,
-^-"
'.
---
o:-.--'-'
'L42.
i):'I{orizonial"
fouis
eg..
bases,
qround
beaiirs,"siabs
and such like
are
proposed
ior
ea:li'
;norning sians.
and
'
ii)
"Veri:ai" pours
es..
columns.
walls,
and such iike.
are
proposed
ior'
.
afternoon
starts.