Batching of Concrete Method Statement (2)

Batching Of Concrete Method Statement

•

Batching Of Concrete Method

Batching

Of

Concrete

Method

Statement

The scope of this procedure covers checks required to be carried out prior to and

during

the

PROJECT: PROJECT NAME

site

batching

of

concrete.

Ref No. CONC/09 PAGE 1 OF 4

SECTION:

D ATE

CONCRETING

Dec. 2012

OF

ISSUE

SUBJECT:

APPRO(ED

B):

Bac!"#$ Of Co#c%ee Me!o& Sae'e# *E+S MANAGER ACTION

(ERIF)

1.

SCOPE

ro&ect

The scope of this procedure ngineer 

Source

Certificates

covers checks required to be carried out prior to and during the site batching of concrete. Site

ngineer 

2.

PROCEDURE

.1

C!ec,- P%"o% o Co''e#ce'e# "ant

of

 -na"#sis

'eport

 -pprova"

Ac"": Operator  i)

Operation

Basic constituents of 

concrete

vi.

coarse

cement!

and

fine

Manua"!

aggregates sha"" comp"# $ith

the

contract

specifications. %n case of 

Supp"ier/s

"arge pro&ects and $here specified! a "aborator# $i"" be

set

up

conducting

at

site

tests

materia"s

and

product.

'efer

rocedure

instructions

for   on

ensured

Manufactu0

(ork

CO*C+1,. rers

ii)

-vai"abi"it# of potab"e

$ater and po$er sha"" be ensured. %n case of supp"# fai"ure

a"ternative

arrangements sha"" a"so be p"anned.

manua"

iii)

erif#

the

t#pe

of 

admiture if required! to be added. %f required! receive approva" from Consu"tant/s representative.

.2

+a#&"#$ a#& So%a$e of 

Mae%"a-:

Specia" care sha"" be taken for  proper

storage

materia"s

in

of

order

basic

to

avoid

contamination. 3n"ess other$ise specified!

the

fo""o$ing

measures sha"" be taken for  proper hand"ing and storage of  these

.,

materia"s4

Ce'e#

i)

The

"#

3,:

si"os

$eatherproof

sha"" and

be the

mechanism $i"" be c"eaned regu"ar"# $ith

in

accordance

manufacturer/s

manua".

ii)

The air fi"ter $i"" be

c"eaned

after

ever#

de"iver#.

iii)

Care sha"" be taken to

use stored cement in the

order

iv)

of

de"iver#.

Care sha"" be taken to

minimise the contact of  cement

v)

The

painted

$ith

si"o

sha""

$hite

air.

be and

$herever possib"e! shaded from

PROJECT: PROJECT NAME

sun.

Ref No. CONC/09 PAGE 2 OF 4

SECTION:

DATE

CONCRETING SUBJECT:

Dec. 2012 B):

OF

ISSUE

*A/*C ENGINEER APPRO(ED

B):

BATC+ING OF CONCRETE *+SE MANAGER ACTION

(ERIF)

.5

A$$%e$ae-:

"ant

Manufactu 0

i)

Storage of aggregates sha"" Operator 

be on c"ean6 permanent c"ean

rer/s

hard0standing

recom0

"aid

to

fa""

for  Store0

drainage.

mendation ii)

7ifferent sies of aggregates keeper 

sha"" be separated from each other in bins or compartments $ith rigid dividing $a""s etending

"ant

high enough to prevent different aggregates from being during

iii)

mied

batching.

%n

hot

c"imates

either 

shading or sprink"ing c"ean $ater  is required to reduce that fines and dust have not bui"t up at the "o$er "eve"s. %f this has occurred! contaminated aggregates sha"" be removed and $ashed or rep"aced $ith

iv)

c"ean

%f

materia".

aggregates

stockpi"es

sha""

be

are

$et

frequent"#

inspected to make sure that fines and dust have not bui"t up at the "o$er "eve"s. %f this has occurred! contaminated aggregates sha"" be removed and $ashed or rep"aced $ith

.8

A&'"53%e-:

c"ean

materia".

Operator 

i)

Storage of admiture sha"" be

as

per

the

manufacturer/s

recommendations.

ii)

The

containers

sha""

be

"eve""ed to indicate the contents! batch

number!

date

of  

manufacture! she"f "ife and an# other requirements for storage.

.9

6ae%:

i)

(ater sha"" be stored as coo"

as possib"e! particu"ar"# if it has been supp"ied b# road tanker or  sha""o$

ii)

$e""s.

(herever possib"e! storage

tanks

sha""

be

sited

be"o$

ground. %t this is not possib"e! the# shou"d be at "east be shaded from the sun and painted $hite.

iii)

Tank to be covered proper"#

to prevent the gro$th of a"gae.

iv)

:or coo"ing of $ater even

site coo"ing to$ers can be used $hich reduces the temperature up to 1; C or ice can be used. O

PROJECT: PROJECT NAME

Ref No. CONC/09 PAGE 7 OF 4

SECTION:

DATE OF ISSUE

CONCRETING

Dec. 2012 B):

SUBJECT: *A/*C ENGINEER APPRO(ED

B):

BATC+ING OF CONCRETE *E+S MANAGER

ACTION

(ERIF  )

.<

Pa#:

"ant

i)

Batching and miing p"ant sha"" be Operato

pained

ii)

$hite

and

kept

c"ean. r 

%f possib"e! miing and batching p"ant "ant

sha""

be

shaded

from

the

sun. Operato

iii)

rovision sha"" be made to prevent r 

dust

accumu"ating in the

p"ant and

immediate"# before it is used each da# =or  after

an#

substantia"

interruption

in

concreting) it sha"" be f"ushed out $ith $ater.

iv)

:eed be"ts and $eigh batchers sha""

be protected from the $ind so that cement

v)

can/t

be

b"o$n

a$a#.

nsure the accurac# of a"" $eighing

and

measuring

equipment

fa""s

$ithin > ,? un"ess specified other$ise ca"ibrate

.@

p"ant

Bac!"#$

i)

as

necessar#.



repare

gauge

(o3'e:

boes

or

simi"ar 

standard containers of a sie such that comp"ete

fi""ing

proportioning

ii)

C"ear $ritten

is

necessar#

$hen

materia"s.

instructions $i""

be

provided

to

the

"ant

operator

on

quantities of a"" materia"s to be batched and batching sequence for each mi required.

iii)

riming of interna" drum of mier to

be done at the time of "oading the first batch

iv)

of

materia"s.

Mi ingredients for sufficient time as

specified to ensure uniform distribution of  materia"s.

v)

Check the ero reading $hen hopper 

is

empt#.

vi)

Check the speed of mier drum once

a $eek and ad&ust to that given in the manufacturer/s

vii)

'egu"ar

manua".

maintenance

of moving

parts sha"" be done in accordance $ith the

viii)

manufacturer/s

Transport

the

manua".

concrete

$ith

minimum de"a# so that it is p"aced before it comes hardened and difficu"t to p"ace and

compact.

PROJECT: PROJECT NAME

Ref No. CONC/09 PAGE 4 OF 4

SECTION:

DATE OF ISSUE

CONCRETING

Dec. 2012 B):

SUBJECT: *A/*C ENGINEER APPRO(ED

B):

BATC+ING OF CONCRETE *E+S MANAGER

ACTION

(ERIF  )

,.

DOCUMENTATION

.1

:o""o$ing documents ma# be appropriate

as

a

minimum

requirement4 ro&ect

i)

Test certificates of cement! aggregates!

$ater

and

admitures.

nginee r 

ii)

iii)

Mi

design

detai"s.

Ca"ibration record of a"" equipment of 

batching

p"ant.