Ceramic Tiles, Terrazzo Tiles and Mosaics Method Statement
This procedure outlines the system of control and inspections to be adopted for the fixing on site of tiles and mosaics.
PROJECT: PROJECT NAME / Ref No. FINI/05PAGE 1 OF 3
SECTION:
FINISHING / DATE OF ISSUE
Dec. 2012
SUBJECT: / BY:
QA/QC ENGINEER
Ceramic Tiles, Terrazzo Tiles And Mosaics Method Statement / APPROVED BY:
QEHS MANAGER
ACTION / VERIFY
1.SCOPE
This procedure outlines the system of control and inspections to be adopted for the fixing on site of tiles and mosaics.
2.PROCEDURE
.1A method statement shall be prepared and approved. It shall include:
i)Acceptance conditions for laying e.g. maximum moisture content of substrate, levelness, soundness, cleanliness, environment.
ii)Surface preparation and bonding e.g. bonding agent, bed mix proportions, adhesives.
iii)Specific requirements with regard to setting out, alignment of joints and cutting.
iv)Method of protecting finished work.
v)Source documents for tiles, adhesive
.2A sample of tiles shall be prepared on the wall in accordance with the specifications laid down in the contract and approved by the Consultant.
.3Storage of tiles:
i)Tiles shall be delivered to site palletised, on a clean hard surface free from contamination by mud or surface water.
ii)Ensure that manufacturer’s instructions in respect of storage conditions of adhesives are strictly followed.
.4The Project Director/Manager or his designate will confirm that materials are in compliance with contract specification requirements.
.5In the case of internal wall tiling, work will not proceed until all concealed conduits, pipes, electrical cables and boxes etc. that penetrate the tiling have been fixed securely in position and making good is complete. Obtain written clearance from MEP Co-ordinator that all their works in that area is clear for taking up the tiling work. / Project
Manager
Project
Engineer
Store-
keeper
Project
Manager
Project
Engineer / Method
Statement
Sample
approval
Instructions
FINI/05/A
FINI/05/A
PROJECT: PROJECT NAME / Ref No. FINI/05
PAGE 2 OF 3
SECTION:
FINISHING / DATE OF ISSUE
Dec. 2012
SUBJECT: / BY:
QA/QC ENGINEER
CERAMIC TILES, TERRAZZO TILES AND MOSAICS / APPROVED BY:
QEHS MANAGER
ACTION / VERIFY
.6Site operatives must observe the following while fixing tiles in addition to the specifications laid down in the contract document.
i)In the case of internal wall tiles, the setting out course or layout course is established.
ii)The level and events of the wall surface should not exceed the allowable tolerance as specified in the contract. Any such defect should be rectified before proceeding further.
iii)While setting out for floor tiling, establish a datum level for the finished floor and control the overall level of the finished floor by means of series of spot levels. The Site Engineer will involve Consultant’s representative while fixing levels.
iv)Avoid cutting tiles as far as possible. If cutting cannot be avoided locate cut tiles where they will be least noticeable, if in doubt refer to specification.
v)The sequence of fixing tiles shall be as follows unless specified otherwise in the contract:
- Floor tiles - from the centre of room
- Internal walls - Upward from the setting out course up to the specified height (in case of false ceiling) otherwise from top and downwards up to starting level.
- External walls - always from top to bottom covering one horizontal strip after another but preferably to be done in bays.
vii)Before placing the next tile take care to allow correct joint width by placing the correct spacers in all corner joints.
viii)Do not start joint grouting work till tiles are properly fixed to the surface. Normally the time period varies between 24 hrs to 48 hrs.
.7Protection and Cleaning:
i)Protect external tiling and mosaics from rain and sun until the bed and joints have set. Continue the protection for the period specified. / Gen.
Foreman
Gen.
Foreman / FINI/05/A
FINI/05/A
PROJECT: PROJECT NAME / Ref No. FINI/05
PAGE 3 OF 3
SECTION:
FINISHING / DATE OF ISSUE
Dec. 2012
SUBJECT: / BY:
QA/QC ENGINEER
CERAMIC TILES, TERRAZZO TILES AND MOSAICS / APPROVED BY:
QEHS MANAGER
ACTION / VERIFY
ii)Do not allow tiling and mosaics to be wetted in shower bath areas for the period as specified, until the bedding and joints have set and hardened.
iii)Do not permit any traffic at all on the flooring till the tiles are set afterwards permit light foot traffic only.
iv)For general protection spread white no-staining saw dust over the floor but not earlier than the period during which grout is hardened.
PROJECT: PROJECT NAMESITE NO.:
CERAMIC TILES, TERRAZZO TILES AND MOSAICS / Sheet No.
SUBCONTRACTOR: CLIENT
SECTION OF WORK ______LOCATION ______
STAGE / ITEM / Checked
by / DATE
PREPARATION / 1. Method statement approved. / PE
2. Materials to specification (including suitability of adhesive). / SE
3. Check storage condition of materials. / SK
4. Establish line and level. / SU
5. Check moisture content of substrate. / GF
6. Liaise with MEP section for completion of theirworks. / PE/MEP
7. Acceptance of substrate / GF
8. Sample area acceptable. / PE
APPROVAL TO PROCEED WITH LAYING / QA/QC
INSTALLATION / 9. Check setting-out / SU
10. Check line and level. / SU
11. Check mixing, colour and application of grout. / GF
12. Check sequence of fixing tiles. / SE
APPROVAL TO PROCEED / QA/QC
POST / 13. Check initial cleaning of work. / GF
INSTALLATION / 14. Check protection applied correctly. / GF
APPROVAL TO PROCEED / CM
CM – Construction Manager, QA/QC – Quality Assurance/Quality Control, PE – Project Engineer, SE – Site Engineer, SU - Surveyor, GF – General Foreman, SK – Storekeeper
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