8/11/2019 Method of Statement - Repair Honeycomb

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DINDINGS CONSTRUCTION SDN BHD

METHOD OF STATEMENT FOR RECTIFICATION OF HONEYCOMBS

1.0 OBJEVTIVE

1.1 To outline the method statement for rectification of Loose Concrete and

honeycombs.2.0 SCOPE

2.1

This method of statement applies to all activities associated with grouting works at

site of our scope.

3.0 PURPOSE

3.1 This method of statement describes the procedure and inspection instructions to be

followed during application of Grouting works. This has to ensure that all activities

are in full compliance with requirements as per manufacturers standards.

4.0 SOURCES

4.1

SikaGrout-215 (Product Data Sheet)

5.0 WORK SEQUENCE

5.1 Identify the loose concrete and honeycombs defective area

5.2

The affected defective area is cleaned, brushed, hammered or chiselled to remove

the loose concrete and small particle such as sands and dusts.

5.3

Hack off all the loose concrete until sound and solid concrete is achieved.

5.4 All the leftover concrete dust is then washed away with water or blown using

compressed air. This is to ensure good bonding between the concrete and the repair

material.

5.5

Ensure that the surface is clean and free from oil, grease or any loose material.

5.6

Non-shrink grout SikaGrout 215 is then mixed according to the suppliers

instructions:i. Pre-dose the required volume of clean water into a clean mixing vessel. For

a flowable mix, use 3.60l 4.00l of water per 25kg bag. Add the powder

slowly into the pre-measured clean water and mix mechanically for at least

3 minutes with a slow speed mixer or until a smooth, uniform consistency is

achieved.

ii.

Place about 70% - 80% of the premeasured clean water (depending on

consistency required - refer to mix ratio) into a clean container and gradually

add the whole bag of SikaGrout215 into it while continuously mixing. Add

the remaining water until the desired consistency is obtained.

iii.

Mix for 2 to 3 minutes with a slow speed drill (500 rpm max).

5.7 Using a masonry trowel, a layer of the non-shrink grout is then applied onto the

surface of the affected area.

5.8 Level the surface to the required shape and finishing. The affected area shall be

brushed / trowel smoothly.

5.9 The repaired area will be hardened after about 4 to 5 hours.

6.0 MACHINERY, EQUIPMENT, TOOLS AND MATERIAL

6.1

Brush

6.2 Non-Shrink Grout (SikaGrout-215)

6.3 Hammer

6.4

Chisel6.5

Electrical Breaker

8/11/2019 Method of Statement - Repair Honeycomb

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6.6

Plain Water

6.7 Trowel

7.0 LABOUR INVOLVED

7.1 Supervisor : 1 person (according to the respective PIC)

7.2 Worker : 5 workers (3hacking, 2Patching)

8.0 SAFETY

8.1 All relevant personnel shall be made familiar to this method of statement.

8.2 All related personnel must be wearing necessary PPEs.

8.3 All necessary precautions must be taken for working with high places and necessary

scaffoldings.

8.4

Material contains cement, which may produce an allergic effect. Keep out of reach

of children.