1. Doc. Title Method Statement of Building
Works –Structural Concrete Repair TOA-TOYO JOINT VENTURE
Doc. No CM – MS – BW - Rev. No. 0 Date July, 2012
Construction of Port Facilities and Buildings for Cai Mep International Container Terminal
CAI MEP INTERNATIONAL CONTAINER TERMINAL
METHOD STATEMENT
FOR
STRUCTURAL CONCRETE REPAIR WORKS
Page 1

2. Doc. Title Method Statement of Building
Works –Structural Concrete Repair TOA-TOYO JOINT VENTURE
Doc. No CM – MS – BW - Rev. No. 0 Date July, 2012
Construction of Port Facilities and Buildings for Cai Mep International Container Terminal
CONTENT
1. Purpose Page 3
2. Scope of Work Page 3
3. Work Flow Chart Procedure Page 3
4. Safety Control Page 6
Attachment 1
Page 2

3. Doc. Title Method Statement of Building
Works –Structural Concrete Repair TOA-TOYO JOINT VENTURE
Doc. No CM – MS – BW - Rev. No. 0 Date July, 2012
Construction of Port Facilities and Buildings for Cai Mep International Container Terminal
1. PURPOSE
The Main purpose of this Method Statement is to outline the repair procedure of structural
concrete works for all building works in compliance with all the required specifications,
standards, and proper construction procedures.
2. SCOPE OF WORK
This document covers the work for the repair of structural concrete as follows:
2.1 Repair of structural concrete surface due to honeycomb, tie rod holes and other
imperfections of concrete surface.(Sikatop 121)
2.2 Repair of structural concrete due to concrete surface cracking.( Sikadur 752/Sikadur
731)
2.3 Repair of structural concrete due to water leak.(Sika Top Seal 107)
3. WORK FLOW CHART
MAPPING
SURFACE
PREPARATION
DEFECT CATEGORY
IDENTIFICATION AND METHOD OF
TREATMENT
TREATMENT
APPLICATION
CURING
Page 3

4. Doc. Title Method Statement of Building
Works –Structural Concrete Repair TOA-TOYO JOINT VENTURE
Doc. No CM – MS – BW - Rev. No. 0 Date July, 2012
Construction of Port Facilities and Buildings for Cai Mep International Container Terminal
3.1 MAPPING
A sketch of the surface defect shall be prepared indicating the location as reflected in the
drawing. All surface defects shall be given ID number for easy reference.
3.2 SURFACE PREPARATION
Surface preparation shall be done in accordance with the materials manufacturer’s
recommendation as indicated in this method of statement, technical data sheet as per
attachment.
3.4 DEFECT CATEGORY IDENTIFICATION AND TREATMENT METHOD
After surface preparation of affected area, types of defects and classification of treatment shall
be established as follows:
Category Surface Defect Classifications Illustration Treatment Material
I
Spalling ( Surface voids or
irregularities/HoneyComb/
Cone Holes
a. Surface
defect up to
5mm
Patching
Sika Top
121
b. Srface
defect from
5mm ~80mm
or up to rebar
surface
Bonding
Coat: Sika
Top 121
Repair
Mortar:Sika
Monotop
615 HB
II
Severe Voids and
Honeycomb
Surface defect
until exposed
rebars
Grouting Flowable
Grout: Sika
Monotop R
Page 4

5. Doc. Title Method Statement of Building
Works –Structural Concrete Repair TOA-TOYO JOINT VENTURE
Doc. No CM – MS – BW - Rev. No. 0 Date July, 2012
Construction of Port Facilities and Buildings for Cai Mep International Container Terminal
3.5 TREATMENT APPLICATION
Mixing,application and curing shall be done in accordance with the manufacturer’s
recommendation as indicated in this method of statement. technical data sheet as shown in
attachment 1.
Page 5
III CRACKS
a.Hairline/Shrinkage
Cracks width up to
0.15mm
No Repair N/A
V-cut and
Sealing
Sikadur 731
b.Crack width from
0.15mm to 0.30mm
Pressure
Injection
Sealing:
Sikadur 731
Injection
:Sikadur
752
c.Crack with over
0.30mm

6. Doc. Title Method Statement of Building
Works –Structural Concrete Repair TOA-TOYO JOINT VENTURE
Doc. No CM – MS – BW - Rev. No. 0 Date July, 2012
Construction of Port Facilities and Buildings for Cai Mep International Container Terminal
3.6 EQUIPMENT TO BE USED
Category Equipment Quantity
I & II
Concrete Cutter
Hand Chipping or chisel and
Hammer
Grinder
Water Jet
Mixing paddle
As Defined in actual site
Condition
III b
Crack Scale
Grinder
Mixing paddle
III c
Crack Scale
Grinder
Mixing Paddle
Injection Machine
4. SAFETY CONTROL
Prior to commencement of the works, TTJV will ensure that technical specifications of each
product was carefully carried out to avoid any problem at site.
4.1 Personal Protective Equipment
¨ All required PPE such as helmet and safety shoes shall be provided and
maintained for all workers doing the repair works.
¨ For the porpose of protecting workers eye injury and flying particles, eye
protector such as safety glass,face shield and goggles shall be provided
engaged in the related work.
¨ Mask and rubber gloves are required to workers involved in mixing and
application as per MSDS requirements.
4.2 Barricades,signs and Materials to be used
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7. Doc. Title Method Statement of Building
Works –Structural Concrete Repair TOA-TOYO JOINT VENTURE
Doc. No CM – MS – BW - Rev. No. 0 Date July, 2012
Construction of Port Facilities and Buildings for Cai Mep International Container Terminal
¨ Safety and warning signboards in dual language shall be installed.
¨ Barricades shall be erected to isolate the working area with suitable and
sufficient access.
¨ Materials required for this work shall be properly stored and identified at areas
designated for this purpose.
¨ All Scaffolding to be used, if any shall be inspected prior to use.
Page 7

8. Doc. Title Method Statement of Building
Works –Structural Concrete Repair TOA-TOYO JOINT VENTURE
Doc. No CM – MS – BW - Rev. No. 0 Date July, 2012
Construction of Port Facilities and Buildings for Cai Mep International Container Terminal
Attachment 1
SIKA PRODUCTS
Sika Monotop 615HB
Sika Monotop R
Sikadur 731
Sikadur 752
Sika seal 107
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