MS 1099 0002 Concrete Repair

7/24/2019 MS 1099 0002 Concrete Repair

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LINDE AG - GAS AND ENGINEERING

CONSOLIDATED

CONTRACTORS CO.

AL JUBAIL HAYCO AMMONIA PLANT

PROJECT NO.: 2410 A049

PROJECT CODE: AL JUBAIL to

METHOD

STATEMENT

FOR

CONCRETE REPAIR

111S 1099 0002

comments:

Opt.:

Name:

nit JJf1 f GRf.illP:

, ) 2 .0 $% ~ 4 > ' ' - k = ,

~ t ~

SITE MASTER

SA oD ~

T

1 3 AUG

2 13

Date:

eee -

DeG

JHP PROJECT


PO

XO

No further submission.

Document accepted as final.

Incorporate comments and

resubmit document.

Document not accepted and

rejected.

This

review does

not

constiMe acceptance or a p p r o J ~ 1 of deSlgl

details, calculatioos, analysis.

test methods

or t e n ~ s

developed

or

selected by

the

supplier

and does

not

eheve

suppti6r from full collliiance

with

spedfications and

contractual

obliaations.

Linde Engineering Middle East

Dale: 12. Aug 2013 Dept _E_N_D

Name:

Binu

Kumar

o

Issued for

Review

Approval

Rev Desrription

Page 1

of

AI

JUBAIL HYCO / AMMONIA PLANT

23.10.2012

Date

Prepared

By

Checked

By

Verified By


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Page 2 of

LINDE

AG GAS

AND

ENGINEERING

CONSOLIDATED CONTRACTORS CO.

AL JUBAIL HAYCO/AMMONIA

PLANT

PROJECT NO : 2410 A049

PROJECT

CODE JUBAIL 10

INDEX

PURPOSE

SCOPE

DEFINITIONS

REFERENCE DOCUMENTS

RESPONSIBILITIES

PROCEDURES

RESOURCES

SAFETY

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I

CONSOLIDATED

CONTRACTORS CO.

LJUB IL

HAYCO/AMMONIA PLANT

PROJECT NO.: 2410 A049

PROJECT CODE : LJUB IL

1

1.0 Purpose

The purpose of this Method Statement is to set guidelines and

methodology to be followed while repairing poured Concrete.

2.0 Scope

j % 0 ~

'h 7

~ i : t e

This method statement covers all works related to concrete repair in the

JUABIL HJyCO AMMONIA project unless their very special cassis is not

covered in 'this method.

3.0

Responsibilities

3.1

Construction Manager - To ensure that all work is executed as per

Project procedure, standard, and specification. Also he should make

sure that all project SADARA safety requirements are applied during

construction.

3.2 Site or section engineer - Responsible for the implementation of

This procedure as describe in this method

and

to mange, coordinate all

Activates / . ,

3.3 Site Foreman - Responsible for the execution and site control of the

works

on

site.

3.4 QC Engineer - Responsible to ensure that all activities are carried out as

per the QC reqUirements of the project.

3.5 HSE Engineer - Responsible to ensure that all activities are carried out

safely and in compliance with SADARA regulations and the project

safety procedures. Also he is responsible to make sure that all permits

are obtained for any activity as SADARA requirements.

4.0

Definitions

4.1- Clint: LINDE AG - GAS ENGINEERING

4.2 Contractor: CONSOLIDATED Contractor Company

4.3 JHAP: JUBAIL HYCO\ AMMONIA PLANT PROJECT

5.0

REFERENCES

Page 3 of

5.1 AA-C-ZA-10001,001 STANDERD DRAWING CIVIL WORK

5.2 CCC-Q-PA-1230(QCP-1099-230) Quality Control plan for

Concrete work

5.4 CCC-Q-PB-1233(ITP-1099-233) lTP FOR CONCRETE WORK


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CONSOLIDATED

CONTRACTORS CO.

AL JUBAIL HAYCO/AMMONIA PLANT

PROJECT NO.: 2410 A 49

PROJECT CODE: ALJUBAIL 10

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Page 5 ofa

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{ PUtt j t O U f

LINDE AG - G S ND ENGINEERING

CONSOLID TED CONTR CTORS CO.

iiMttK@ f.:;j , Y.->", {

AL JUBAIL

HAYCO/AMMONIA

PLANT

PROJECT

NO : 2410 A049

10

If major honeycombs apparent on any orientation

and

the

reinforcement are exposed:

1

Break out the area until a sound homogenous substrate

has been reached.

2

Wash the substrate with potable water to remove all dust

deposits.

3 Make sure the reinforcement is clean and paint it with

Zinc-Rich epoxy bonding agent for

all

rebar sides.

4

Develop a form system which permits placement from

the

top of the void with the form extending above the void by

at least a few inches.

5 Apply a shrinkage controlled fluid micro-concrete

continuously Roding to ensure a sound placement.

The

concrete shall be placed to extend above the void area.

6

Upon initial set remove the form and chip excess

concrete from the repaired surface.

7 Cure the repaired area for 48 hours.

Honey Comb

Provide

Undercut

for Key

Form

Extended

Above Void


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Page 6 of8

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6.3 Cracks

AL

JUBAIL HAYCO/AMMONIA PLANT


PROJECT CODE AL JUBAIL 10

- for minor (surface) cracks, repair

will

be as follow:

1. Cracks equal to or less than O.2mm (Hair crack) which

are the capillary cracks will not need any repair

2. Cracks more than 0.2mm and less than 0.5mm (line

crack) will be repaired by open the crack using the

grinder.

3. Cracks between 0.5 and

3mm

the crack should be

opened

in

V shape.

4. Wash the substrate with potable water to remove all dust

deposits

5. Thoroughly soak the substrate with potable water

approximately one hour prior to application of repair.

6. Apply approved material of fine non-shrinkage grout.

7. Cure the repaired area for 48 hours.

-

for major

(deep) cracks, repair will be as follow:

Deep cracks shall be studied on a case by case basis and the

corrective plan shall be proposed and agreed with LINDE prior

to commencement of work at site

6 4closing tie rod hole's concrete

1. Remove the plastic cones.

2.

Thoroughly soak the hole with potable water

approximately one hour prior to application of non

shrinkage grout and cement mortar.

3. Apply cement mortar in the middle and non-shrinkage

grout in the edges of a depth of 20mm.

4.

Compact the cement mortar into the tie rod hole by

trowel, and finish with a steel trowel.

5. Cure the exposed surface area for 48 hours.

\.

CEMENT NON-SHRINKAGE

MORTAR GROUT


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Page 7 of 8

LINDE AG -

GAS

AND ENGINEERING


AL JUBAIL HA YCO/AMMONIA PLANT

PROJECT

NO : 2410 A049

PROJECT CODE AL JUBAIL 10

6.5 Repair the edge

of joint

1. Detect poor finished surface and mark it.

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am'


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LINDE AG

- GAS AND ENGINEERING

CONSOLIDATED CONTRACTORS

CO.

AL

JUBAIL

HAyeO/AMMONIA PLANT


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7 0

RESOURCES:

Page 8

of8

7 1 Hand tools

7.2 Manpower

8.0 SAFETY

Drill.

Electrical mixer.

Trowel.

Hammer.

Chisel.

Supervisor/foreman

Mason

laborer.

All materials shall be stored handled and used in a safe and proper

manner and as advised by the material safety data sheet.

Contents

of

Material safety data sheet for a certain product shall be

explained to the workers in a Tool Box Talk prior to using this

product.

All personnel involved

in

the above activity shall follow the

construction HSE Plans/Procedure as well as SADARA relevant

HSE manuals.

All safety measures defined in the relevant procedures shall be

implemented.

In case of contact with skin rinse with plenty

of

clean water then

cleanse thoroughly with soap and water.

In case

of

contact with eyes rinse immediately with plenty

of

clean

water and seek medical advice.

All personnel involved shall wear PPE.

MS 1099 0002 Concrete Repair

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