Method statement of Tiling work

CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation METHODSTATEMENT SMC Manufacturing (Vietnam) Factory-phase Project TILING WALL & FLOOR FACTORY No.1 Ref No: SMC-ACS-MS-01-TLW-001 ACSC- CONG TY CO PHAN XAY LAP THUONG MAI SMC-Factory No.1/MS-Tiling work Page CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation Revision History Revision 01 Date of issue 29/February/2016 Purpose of issue (approved/ revision) For Approval Submitted by ACSC Prepared by Reviewed by Approved by Name Lê Long Hậu Nguyễn Hoàng Trinh Nguyễn Văn Trung Position Deputy Site Manger Site Manager Project Manager Date Signature Approved by KOA Checked by QA-QC QA-QC HSE KDA Position Date Signature Reviewed by Approved by Approved by Client Name Prepared by Reviewed by SMC-Factory No.1/MS-Tiling work Position Page Date Signature CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation Contents SMC-Factory No.1/MS-Tiling work Page CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation INTRODUCTION 1.1 PURPOSE This method statement describes the methodology for tiling of wall and floor at SMC project Tiling work will be carried out after all constructions of relevant structures such as slab, columns, wall completed, but before painting and installing of sanitary wares The concrete work, brick work constructions were covered by another submittals, therefore they will no longer discussed in this method statement Before tiling work can start, all electrical and plumbing works inside the wall, if any, have been also completed, fully tested and approved All door, window frames have been installed as well Tiling work will start only the working drawing has been prepared Working drawing will be separate submitted with this document Tiling work will be divided into two stages: firstly tiling the wall then tiling the floor 1.2 DEFINITIONS: PROJECT PARTICULARS: Project name : SMC MANUFACTURING (VIET NAM) FACTORY-PHASE PROJECT Address : Long Duc Industrial Park, Long Duc Ward, Long Thanh District, Dong Nai Province, Viet Nam PARTY: Client/ Owner : SMC MANUFACTURING VIETNAM CO., LTD Contractor : KAJIMA OVERSEAS ASEA PTE LTD Responsible for the supervision of Contractors who will construct the podium and all related activities as outlined in this procedure SCOPE OF WORK The works to be carried out by Sub-Contractor (ACSC) and shall apply for works at Factory No.1of SMC MANUFACTURING (VIET NAM) FACTORY-PHASE PROJECT Construction Reinforcement Concrete Structure works included: a Pile head treatment b Earth work c Formwork d Reinforcement Steel Rebar work e Concrete work Finishing works included: SMC-Factory No.1/MS-Tiling work Page CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation a b c d Brick work Plaster work Painting work Tiling work (Wall & Floor) BUILDING DESCRIPTION: Location: Factory No.1 are located at the corner of Road No.D5 &N2-5 in Long Duc Industrial park as below Factory No Description: - Building purpose :Factory Foundation : Spun piles (D300, 350, 400 mm) Structure :RC structures + steel rafter; Slab on grade Dimensions: o Factory  140m long (14x10m); 60 (4x15m) - 69m wide  Ground Floor (FL 0.00m); 1st Floor (FL +7.25m)  Height : 11.40m o Utilities area: x (120m long, 4.5m wide) SMC-Factory No.1/MS-Tiling work Page CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation GROUND FLOOR PLAN - Floor load: o Factory Ground Floor o WC Ground Floor o Stair case o Storage/Utilities - Slab thickness: o Factory Ground floor slab : 300 mm thk o Storage/Utilities Ground Floor slab : 150 mm thk o 1st Floor slab : 140 mm thk - Area: o o : 40 KN/m2 : KN/m2 : KN/m2 : 10 KN/m2 Ground floor + Factory area + Storage/Utilities area 1st Floor SMC-Factory No.1/MS-Tiling work : 9561 m2 : 8400 m2 : 1161 m2 : 9561 m2 Page CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation ORGANIZATION CHART 3.1 Organization Chart (Factory No.1) Project Manager NGUYỄN VĂN TRUNG (MP: 090 330 7742) nguyenvantrung@acsc.com.vn Site Manager NGUYỄN HOÀNG TRINH (MP: 090 291 1235) nghoangtrinh@acsc.com.vn Deputy Site Manager Deputy Site Manager NGUYỄN TRÍ KHOA (MP: 093 722 9680) LÊ LONG HẬU (MP: 093 232 5944) ngtrikhoa@acsc.com.vn haull@acsc.com.vn Site Engineer QC engineer NGUYỄN MINH TUẤN (MP: 098 314 5069) PHAN QUỐC TRƯỜNG (MP: 098 314 5069) NGUYỄN VĂN HÀO (MP: 093 872 2730) quoctruong@acsc.com.vn Safety Supervisor Shop Drawing ĐỖ VŨ QUYỀN ANH (MP: 090 853 1908) NGUYỄN VĂN THIỆN (MP: 090 657 5516) vanthien@acsc.com.vn Construction Teams 3.2 Assignment Position Deputy Site manager Site Engineer QA&QC Engineer Safety Supervision SMC-Factory No.1/MS-Tiling work Factory No.1 NGUYỄN TRÍ KHOA Factory No.9 TRẦN AN TOÀN NGUYỄN MINH TUẤN NGUYỄN VĂN HÀO PHAN QUỐC TRƯỜNG ĐỖ VŨ QUYỀN ANH LÊ VĂN TUẤT PHẠM TRỌNG HÙNG NGUYỄN ANH ĐỨC PHẠM VĂN MẠNH Page CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation SCHEDULE Construction Schedule of tiling work on Ground Floor Toilets as below: Work Wall tiling Floor tiling Start 01/3/2016 07/3/2016 Duration days days Finish 06/3/2016 11/3/2016 Construction Schedule of tiling work on 1st Floor Toilets as below: Work Wall tiling Floor tiling Start 01/3/2016 11/3/2016 Duration days days Finish 06/3/2016 15/3/2016 SPECIFICSTANDARD Tiling floor and wall should be carried out in accordance with the requirements of: - SMC MANUFACTURING (VIET NAM) FACTORY-PHASE PROJECT Specification finishing works Current Vietnamese Construction Standards TCVN 7132-2002: Ceramic floor and wall tiles- Definition, classification, characteristics and marking TCVN 6415-2005: Ceramic floor and tile- Test method TCVN 6414-1998: Ceramic floor and tile- Specifications TCVN 8264-2009: Wall and floor tiles- Codes of practice and acceptance TCVN 9377-2012: Finish works in construction – Execution and acceptance Part 1: paving and smoothing works TCVN 9377-2012: Finish works in construction – Execution and acceptance Part 3: wall tiling works TCVN 7899-1-2008 Ceramic tiles - Grouts and adhesives – Part 1: Terms, definitions and specifications for adhesives Ceramic tiles – Grouts and adhesives – Part 2: Test methods for adhesives Adhesives for Tiles – Specifications and Testing Methods TCVN 7899-2-2008 TCXDVN 336- 2005 SMC-Factory No.1/MS-Tiling work Page CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation SCOPE OF WORKS: All tiling work of Factory No.1 designated for the Toilets (8 rooms) on Ground floor and st floor The tiling in Office area will be carried out by other Sub-Contractors This work includes screeding and tiling of wall and floor The toilets where tiling are applied TYPICAL FLOOR TILING TYPICAL WALL TILING SMC-Factory No.1/MS-Tiling work Page CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation FLOW CHART AND DIRECTION OF WORK The work sequence of tiling floor and wall are shown at the following flowchart Columns, slab, wall construction Installing door, window frame Electrical work, plumbing, waterproofing Start of Tiling Set up tile layout Wall tiling (plastering, applying) Floor Tiling (screeding, applying) Filling paste to the joints Cleaning tiles End SMC-Factory No.1/MS-Tiling work Page 10 Covered by previous submittal CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation PREPARATION WORKS 8.1 Cleaning and check Sub-base surface: - Remove any dust, dirt, foreign matter on the wall, floor - Damp the wall, floor surface with clean water Tiles: - Check dimensions, shape of tile to ensure their uniformities - Moisten all tiles by soaking in the water for a while 8.2 Mock up The mock-ups for tiling work on site will be done by ACSC before application for all toilets The location of mock-up with the plan layout drawings shall be proposed and submitted by ACSC to Kajima Vietnam for approval The location of mock-ups shall be chosen by KOA in such a way that the openings of a door and window, floor drains, penetrated pipes, floor and wall shall be involved 8.3 Forming the bed of tiling Wall tiling: - Check the distance of the walls to suit with the tile layout - Using theodolite to set up all finished planes of wall tile to ensure their plumbness, flatness and perpendicularity at the corners Mark the set up lines onto the walls - Using string to set base points for the plaster coat onto the walls by deduct the thickness of the tile - Apply the method of plaster work to plaster onto the wall to get true surfaces where the tiles will be applied Tile backing shall be cement plaster applied in conformity with requirements in the specification Floor tiling: - Based on level benchmark and designed slope of the floor, set up the finish surface of floor tiles then mark its intersection lines with the walls onto the wall surfaces - Using string to set base points for the screed layer onto the floor slab by deduct the thickness of the tile - Level pegs shall be installed by following marked lines on floor surface for water dividing lines to keep the floor slope at least one day before floor screed The spacing of level pegs shall be less than 2.0 m - For toilet floor areas which are waterproofed, a special care of protection to waterproof layers shall be taken by Subcontractor Material for installation of level pegs shall be screed mortar - Screed the mortar onto the slab then flatten with tool such as straight bar Mortar to bed is of cement to sand mixture and well mixed on the site - A straightedge tolerance of 2.0mm/2m shall be allowed for floor screed surface finish - Trowel by hand to get a true, flat finish surface SMC-Factory No.1/MS-Tiling work Page 11 CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation 8.4 Set up tiles layout - All check lines for walls of room and grid lines shall be re-marked on floor screed Marked lines such as check lines and grid lines on floor shall be matched to lines marked on walls - Room dimensions, wall corners, wall lines shall be checked for right angle based upon on the marked lines If any discrepancies are found then repair shall be carried out and accepted by Kajima Vietnam before tiling or other finish - For wall tiling, the Subcontractor shall ensure that the lines of FFL+1000 (Floor Finish Level) and the lines for the top layer and first layer of wall tiles to be marked sufficiently and correctly - Based on the working drawing, using the level machine, theodolite, measure tape to set up the tiles layout and mark the tile joints onto the wall or floor bed The dimensions of tiling area will include the width of the tiles and the joints which shall be uniform 2mm wide - Tiles will be arranged so that there will be no tile has the width smaller than the half width of their original dimensions They will also be set so that the center of any fitting such as floor drain, faucet will be right on the intersection of the joints CONSTRUCTION METHOD 9.1 Mortar & mixing mortar - Sand for mixed mortar shall be natural sand free from any deleterious materials such as clay, flaky or elongated particles, mica, shale or other laminated materials, organic impurities, iron pyrites Sand shall be clean, hard, durable, crushed It shall be thoroughly washed and all dirt, shells etc…removed before use - Water for brick work shall be clean and uncontaminated potable water from the city main supply or any other approved source free from harmful matter - Mortar type to be used shall be sand-cement mortar, class mark #100 (28days compressive strength 7.5 Mpa) with its proportion: part of cement: part of sand in volume - The mortar proportion will be verified with the result of trial mix on site and testing prior to be use - Mortar will be mixed by mixer which has capacity of 100 liters on site Material of mortar will be measured in containers with defined volume to maintain control and accuracy of proportion - Mix by placing one-half the water and sand in operating mixer Then add cement and remainder of sand and water Mix batch for not less than minutes after all ingredients are in the mixer - Workability or consistency of mortar on the board shall be sufficiently wet to be worked under the trowel 9.2 Tiling sequence: - Ceramic tiles shall be or soaked in water before installation - Tile will be installed by using thin set of tile grout to apply on the prepared bed surface The thickness of cement adhesive will not exceed 3mm - To ensure a uniform of joint width, PVC spacers shall be used to ensure joint width shall be 2.0 mm Wall tiling: - Wall tiling will start row by row from the bottom to the top SMC-Factory No.1/MS-Tiling work Page 12 8x250+2x7=2014 CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation DIRECTION OF TILING 2mm - PVC beads shall be installed at outer corners of wall and PVC tiling bead joint shall be butt or mitred at ends SMC-Factory No.1/MS-Tiling work Page 13 CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation 30 10 20 2 10 20 WALL TILE FINISH Tile size 2 30 Tile size WALL PVC ANGLE BEAD - At the inner corners, there will be joints 2mm wide The termination of wall tiling at inner corner of wall shall follow the principal of “Joint line of wall tiles at inner corners shall be invisible for the direction of view from room entrance” WALL TILE 2mm JOINT GRANITE STONE 80 20 180 80 20 2mm JOINT 30 WALL TILE 10 20 30 80 -Where tiles connect with door frame, there will be joint 5mm wide then filling with sealant SMC-Factory No.1/MS-Tiling work Page 14 CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation SEALANT 80 10 15 10 CERAMIC TILE 15 DOOR FRAME 200 RC STILLENER 40 20 - Permanently using straight bar to check the plumpness, flatness of the finished surface; square meter to check the perpendicularity at the intersection of the walls - Always cleaning the tile surface to ease the inspection of tiling Floor tiling: - Floor tiling should be carried out after the wall tiling completed Unless specified on the drawings, floor tiling joint lines and wall tiling joint lines shall be aligned and the wall tile installation must be completed before floor tiling - The floor tile arrangement for rows in perpendicular directions from start point on the floor shall be carried out to check the correctness between the drawings and the actual site condition - Where the floor is required to slope the Subcontractor shall check for floor tile joint line at water dividing line The level of installed tiles along the water dividing line shall be at the required level to ensure the design slope - Floor tiling shall start from the centre of the room In order to avoid any cumulative error of floor tile installation, the start of floor tiling from the room corner shall be avoided SMC-Factory No.1/MS-Tiling work Page 15 CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation - Permanently using straight bar to check the flatness of the finished surface; spirit level to check the slopping of the floor - Always cleaning the tile surface to ease the inspection of tiling Work sequence: - Preparing the right tile units Cutting, beveling them before, if necessary - Fully plastering the adhesive onto the back of the tiles - Placing the tile unit in position - Slightly move and press the tile to the bed surface - Using rubber hammer to slightly clap onto the tile - Insert the plastic stick the check the joint width and adjust the tile until get the true position - Using straight bar the check the flatness of the tile unit with the true surface - Repeat the clapping, adjusting the tile unit until it reach all requirements 9.3 Finishing: Filling the joints: - Using white cement grout to paste onto the wall, floor tiles to fill the joints - Before grout become set, using clothes or sponge to skillfully remove the excess grout to make the joint neat and clean - The surfaces of joints have to be flush with the tile surface SMC-Factory No.1/MS-Tiling work Page 16 CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation Cleaning, protecting: - Thoroughly remove any stains of grout, dust on the tile surface - Protect the tile from damages of any following construction activities Special cares should be taken with hard and heavy tools, equipment such as door, scaffolding, machine… 10 RESOURCES 10.1 TOOL & EQUIPMENT The equipment to be used for the construction of s is listed below No Specification 100 liters Description Concrete mixer Unit ea Q’ty 2 Cutting machine ea Tools (measure tape, rubber hammer, spirit level… etc) ea Theodolite, level machine ea Scaffolding set Remarks 10.2 MATERIALS Type of material: No Item Type Floor & Wall tiles Tiling bead Cement Description Size Origin Ceramic 300x300 (mm) Royal 302137 PVC 10x10x15 (mm) T10-W Package PC40 Fico, Nghi son Tile Grout (adhesive) Ready mixed 25kg/bag Striving method Joint filler (White) Ready mixed 1kg/bag Skymax Sand Fine Dong Nai As approved material Water Kajima Materials handling, storage and delivery - Tile: Tile will be sealed at firm and delivery to site by truck It should be keep in warehouse and level ground with the height not exceed 1.5m - Cement: SMC-Factory No.1/MS-Tiling work Page 17 CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation Cement bags delivered should be stored at enclosed storage with 100mm above ground level and covered by plastic protection in order to prevent the moisture The cement bags shall be stored in piles not more than bags high - Sand: Sand will be stock on site on the plastic sheet Before using, it will be screened to remove the rubbish and other impurities Other materials are keeping in storage and they are transported to the site work when they are in used 11 QUALITY CONTROL - - All tile should be procured from approved sources Tile will be delivered to site under control of the Procurement Section and attach certificate of origin clearly - All material (cement, sand) need to take sample and approve before order delivery The tolerance of tiling work will follow KOA ITP shown in Appendix Refer some tolerances for inspection in Contract Technical Specification Tolerance for flatness: Hollowness for installed floor tiles : Hollowness for installed wall tiles: Tolerance for verticality of installed wall tiles: Straightedge 2.0 mm/ 2.0 m Not allowed Maximum 10% at corners of installed tiles allowed but not exceed 10% of the wall area +/- 2.0 mm / 1.0 m high but not exceed 5.0 mm for the whole wall height Tolerance for level: +/- 2.0 mm Tolerance for alignment of tiling joint lines : Deviation between adjacent tiles : Tolerance for joint width: 2.0 mm/ 3.0 m long but not cumulative Tolerance for joint width: +/- 2.0 mm if joint width greater than 6.0 mm Not exceed 0.5 mm +/-1.0 mm if joint width less than 6.0 mm 12 APPENDIX Appendix-1: Inspection test plan Appendix 2: Checklist SMC-Factory No.1/MS-Tiling work Page 18 CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI Architects & Construction Service Corporation END SMC-Factory No.1/MS-Tiling work Page 19 [...]... straight bar to check the plumpness, flatness of the finished surface; square meter to check the perpendicularity at the intersection of the walls - Always cleaning the tile surface to ease the inspection of tiling Floor tiling: - Floor tiling should be carried out after the wall tiling completed Unless specified on the drawings, floor tiling joint lines and wall tiling joint lines shall be aligned and the... termination of wall tiling at inner corner of wall shall follow the principal of “Joint line of wall tiles at inner corners shall be invisible for the direction of view from room entrance” WALL TILE 2mm JOINT GRANITE STONE 80 20 180 80 20 2mm JOINT 30 WALL TILE 10 20 30 80 -Where tiles connect with door frame, there will be joint 5mm wide then filling with sealant SMC-Factory No.1/MS -Tiling work Page... start row by row from the bottom to the top SMC-Factory No.1/MS -Tiling work Page 12 8x250+2x7=2014 CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI 2 Architects & Construction Service Corporation DIRECTION OF TILING 2mm - PVC beads shall be installed at outer corners of wall and PVC tiling bead joint shall be butt or mitred at ends SMC-Factory No.1/MS -Tiling work Page 13 CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI 2 Architects... the design slope - Floor tiling shall start from the centre of the room In order to avoid any cumulative error of floor tile installation, the start of floor tiling from the room corner shall be avoided SMC-Factory No.1/MS -Tiling work Page 15 CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI 2 Architects & Construction Service Corporation - Permanently using straight bar to check the flatness of the finished surface;... onto the walls by deduct the thickness of the tile - Apply the method of plaster work to plaster onto the wall to get true surfaces where the tiles will be applied Tile backing shall be cement plaster applied in conformity with requirements in the specification Floor tiling: - Based on level benchmark and designed slope of the floor, set up the finish surface of floor tiles then mark its intersection... sufficiently wet to be worked under the trowel 9.2 Tiling sequence: - Ceramic tiles shall be or soaked in water before installation - Tile will be installed by using thin set of tile grout to apply on the prepared bed surface The thickness of cement adhesive will not exceed 3mm - To ensure a uniform of joint width, PVC spacers shall be used to ensure joint width shall be 2.0 mm Wall tiling: - Wall tiling will... ACSC to Kajima Vietnam for approval The location of mock-ups shall be chosen by KOA in such a way that the openings of a door and window, floor drains, penetrated pipes, floor and wall shall be involved 8.3 Forming the bed of tiling Wall tiling: - Check the distance of the walls to suit with the tile layout - Using theodolite to set up all finished planes of wall tile to ensure their plumbness, flatness... before tiling or other finish - For wall tiling, the Subcontractor shall ensure that the lines of FFL+1000 (Floor Finish Level) and the lines for the top layer and first layer of wall tiles to be marked sufficiently and correctly - Based on the working drawing, using the level machine, theodolite, measure tape to set up the tiles layout and mark the tile joints onto the wall or floor bed The dimensions of. .. The dimensions of tiling area will include the width of the tiles and the joints which shall be uniform 2mm wide - Tiles will be arranged so that there will be no tile has the width smaller than the half width of their original dimensions They will also be set so that the center of any fitting such as floor drain, faucet will be right on the intersection of the joints 9 CONSTRUCTION METHOD 9.1 Mortar... mixer which has capacity of 100 liters on site Material of mortar will be measured in containers with defined volume to maintain control and accuracy of proportion - Mix by placing one-half the water and sand in operating mixer Then add cement and remainder of sand and water Mix batch for not less than 3 minutes after all ingredients are in the mixer - Workability or consistency of mortar on the board