METHOD STATEMENT FOR PLASTERING & SKIM COAT WORK
Rivera Point Condominium Development -DESIGN AND BUILD OF MAIN TENDER (PHASE 1A) FOR PROPOSED CONDOMINIUM DEVELOPMENT AT DISTRICT 7, HO CHI MINH, VIETNAM FOR M/S RIVIERA POINT LIMITED LIABILITY COMPANY Riviera Point Project METHOD STATEMENT FOR PLASTERING & SKIM COAT WORK Checked By Rev Prepared C SH Park Reviewed by Construction Manager Engineering Manager Design Manager QC/QA Manager Safety Manager OJ Cho YC An YH Kim H Thu A Duc Rev Date Description A 10-Nov-2012 B C Approved (by) Ssangyong ICIC KLV Safety RPLLC Issue for Acceptance SC Park M.Tan Bernarrd CM Leong 28-Dec-2012 Issue for Acceptance SC Park M.Tan Bernarrd CM Leong 28-Jan-2013 Issue for Acceptance SC Park Project : Riviera Point Condominium Development Produced by : Ssangyong E&C Preparing Duration : 7days Revision : C M.Tan Bernarrd CM Leong Document Reference and Revision: MS for Plastering & Skim Coat work Rev_A Submission Description: Plastering and Skim Coat Doc Rev Comment No Reviewer’s Name and Company Comments ① What is this (typical)? ② Revise the 5.1 Human Resources (revise No2, No11:why only one?) ③ Revise the 5.2.1 Summary Procedure ( a what is “checking following” b change “brick wall” c structure clearance? d what is “mixing of cement mortar check time to time inspection”? A Submission Date: ④ what is contract specification?(5.3) ⑤ a External mortar admixture? (5.4) b mix ratio?(5.4) ⑥ ⑦ Size of Metal mesh? (5.5) a How many layer? (5.6) b what kind of nail? c how to form in-corner bead?(5.6) ⑧ ⑨ What kind of Sika Latex? (5.7) a What is this drawing means?(5.8) b are you sure you want to install surface drainage if necessary? c what is this drawing means at 13page?(5.8) a can vinyl sheet last?(5.9), b mixing yard made of timber? c what is this description? / RPLLC Contractor’s Reply (and name) ① MoS can’t reflect all situations happened on job site, so represent general method, specification, rules when we the plastering & skim coat th ② Please refer to Rev_B page (so far, for basement plastering works, we have only one team scheduled According to progress, we submit additional teams for plastering & skim coat) th ③ Please refer to Rev_B page th (a deleted b changed to plastering works” c refer to 27 Page d changed “check mixing of cement mortar” ④ Please refer to Rev_B appendix ⑤ a We have no external admixture, Skim coat have functions to resist water th b please refer to Reb_B 10 page The size of width is 150, 75mm a layers b we submit the sample of nail, not yet approved c we will propose the detailed drawing before we make the mock up unit Bonding agent mixed with cement mortar, and use named th “ sika latex Refer to annex6 99 page” a The drawing shows transportation method by manpower b deleted c deleted ⑥ ⑦ ⑧ ⑩ ⑨ ⑩ ⑪ ⑪ ⑫ Project: Riviera Point Project Document No: RP_MOS -SUR _SSY_ 01 Date: Produced by: Leong How you check level in the centre?(5.10) a The amount allowed by hand mixing(5.11.1) b use concrete batching plant? c how to get uniform color? d how to check mixing time, duration of cement mortar? 19-Dec-12 ⑫ a the yard made of vinyl or plywood b the yard made of bricks or timber c it describes how to make mixing yard No.C is about “ procedure leveling peg installation” After we install leveling peg, we can check the center and both end’s plastering thickness a under 0.036M3 of mortar quantity can use hand mixing b mostly use mechanical mixer c we will use same company’s material(cement, sand)and A ① How many layers?, how thick?(5.11.2) ① ② Leveling peg: cement mortar or brick pat paste?(5.12) ③ Where is corner bead?(5.12) ④ a Render?, two coats, spattering dash coat & finished coat?(5.13) b To separate internal & external plastering c rc wall, brick wall? d greater than 3.2m, shall be provided stiffener colum? ② ③ ④ ⑤ Is this plastering works description?(5.14,15,16,17, 18,19,20,23,24) ⑥ a Test report?, b tolerance?(5.25) ⑤ ⑦ a What is all material t?(5.27) b tolerance ? mixing same time to get uniform color d we will train the workers who control the mechanical mixer 2layers, internal thk is19mm, external thk is 20mm Skim coat thk is 1~3mm depending on surface condition Cement mortar will be used as Leveling peg There is no corner bead a Render mean plastering, b one trade has combined into one MoS, if separate it has many duplicated pages internal and external plastering difference is only thk th c refer to Rev_B at 19 page d irrelevant description, deleted the description is for brick works deleted ⑥ a please refer to Rev_B’s appendix b please refer to Rev_B 23th page ⑦ a main materials as cement, sand, metal mesh, nail b moved to 5.25 Reviewer’s suggested status code for this revision only: ICIC Consultant TYLIN Structural Review Consultant JRP MEP Review Consultant KPK Cost Consultant Other (state) Oth er (stat e) Other (state) RPLLC This section is to record the reviewing party’s suggested status code only: the official status code for the submitted item is recorded on the first sheet of this document Project: Riviera Point Project Document No: RP_MOS -SUR _SSY_ 01 Date: Produced by: Leong Document Reference and Revision: MS for Plastering & Skim Coat work Rev_A Submission Description: Plastering and Skim Coat Doc Rev A Comment No Reviewer’s Name and Company Tan ICIC Project: Riviera Point Project Document No: RP_MOS -SUR _SSY_ 01 Date: Produced by: Leong Submission Date: Comments 19-Dec-12 Contractor’s Reply (and name) ① Page 10/121: showed strength of mortar with rate of cement/sand are 1/4.5 and 1/6 which one is correct? But item of Plastering Specification indicates 1/4 So comply with specification is required ① Cement : sand= 1:4 is correct according to Specification Clause “plastering & Wall Tiling” ② Based on item of Plastering Specification, there are two coats of plastering with total thickness is 19mm Why is your MOS 15mm (page 11/121)? ② Internal wall thk is 19mm, external wall thk is 20mm ③ Page 12/121: The cement bags are stored on slab with 05 bags height, it means that about 500kg/m2 Please check with allowed live load of design whether it is overloaded for slab? ③ Slab can bear 450kg/m2 according to structure th design brief page, so within 9bags in 1m2 is safe ④ Mortar which is used for spatter-dash has to mix with bonding agent Sika Latex ④ Revised Bonding agent mixed with cement mortar for plastering ⑤ Item 5.15; 5.16 are belonged to brick work MOS Why does SSY indicate in plastering MOS? ⑤ Deleted ⑥ Item 5.25: Tolerance in plane is 10mm per 3m is not accepted Since based on TCVN 5674-1992 it only allowed 2mm per 2m ⑥ Based on TCVN5674-1992 The tolerance is 3mm/2M - good plastering ⑦ Metal lath has to be applied before plastering at positions where brick wall is cut for installing concealed conduct Please show the typical detail of this case ⑦ Please refer to MoS for Brick Works Rev_D page at “detail C” ⑧ It is not allowed to apply dry mortar on wet mortar which has high slump in order to avoid crack and hollow ⑧ Noted ⑨ For RC wall without plastering: Please state how to control to plastered layer of brick wall and concrete bare surface of RC wall are in line? And please provide detail of joint between plastered layer of brick wall and concrete bare surface of RC wall? ⑨ Refer to annex 88 th Document Reference and Revision: Submission Description: Submission Date: 03-Jan-13 MS – Typical Plastering & Skim Coat Work Doc Rev Comment No Reviewer’s Name and Company 1 Lim, RPLLC Page 3/127 in item 4.1, provide the actual brand name of the materials for plastering skimming works Material brand is SEAMASTER Lim, RPLLC Page 10/127-what is purpose of showing brickwork workforce? It’s the proposal manpower configuratio (Pg.7) Lim, RPLLC Please separate the work method for plastering & skimming works Lim, RPLLC To describe how to mix the mortar Eg how many bags of cement, bucket of sand and how much water for batch We will prepare the separately method batch of plastering mortar includes: Cement bag, to be batched in buckets (the 18liters – bucket) Sand: buckets Water: 34 litre batch of binder mortar includes: Cement bag, to be batched in buckets (the 18liters – bucket) Sand: buckets Water: 29 litre Lim, RPLLC There are groove line for external wall, please include installation of groove line strips in external plastering works Bernarrd, RPLLC No more comment Tuan/Tan, ICIC Please use TCVN303-2006 to replace TCVN5674-1992 Tuan/Tan, ICIC Tuan/Tan, ICIC 10 Tuan/Tan, ICIC Comments Contractor’s Reply (and name) Inserted accordingly (Pg 78) We will comply Please use sand specification TCVN7570:2006 & TCXD127:1985 for mortar Please provide treatment tie line between plastered brick wall and bare concrete surface (without plastering) because shrinkage crack will be appearance SSY is required to test mortar (test result of trial mix) before using We will comply Inserted accordingly (Pg 79) We will comply Reviewer’s suggested status code for this revision only: ICIC Consultant TYLIN Structural Review Consultant Project: Riviera Point Project Document No: RP_MOS -ECSWI _SSY_ 01 Date: 15 Jan 2013 Produced by: Leong JRP MEP Review Consultant KPK Cost Consultant Other (state) Other (state) Other (state) RPLLC Rivera Point Condominium Development -DESIGN AND BUILD OF MAIN TENDER (PHASE 1A) FOR PROPOSED CONDOMINIUM DEVELOPMENT AT DISTRICT 7, HO CHI MINH, VIETNAM FOR M/S RIVIERA POINT LIMITED LIABILITY COMPANY CONTENTS Introduction Definition and Abbreviation Scope of Work Resources (Materials, Equipments & Human Resources) Sequence of Work Plant & Machinery Communication : Call-up List Power Lighting 10 Access and Egress 11 Emergency Preparedness 12 Risk and Control APPENDICES 1~8 (please refer to the next page) Project : Riviera Point Condominium Development Produced by : Ssangyong E&C Preparing Duration : 7days Revision : C Rivera Point Condominium Development -DESIGN AND BUILD OF MAIN TENDER (PHASE 1A) FOR PROPOSED CONDOMINIUM DEVELOPMENT AT DISTRICT 7, HO CHI MINH, VIETNAM FOR M/S RIVIERA POINT LIMITED LIABILITY COMPANY APPENDICES Appendix ……….… Risk Assessment & Job Safety Analysis Appendix ………… …………………………Organization Chart Appendix ………………………………………………… Drawings Appendix …………… ………………………… … Check list Appendix …………… ………………………… Specification Appendix …………… …………… Material safety data sheet Appendix …….…… ……………………………… First Aid Plan Appendix …….…………………………… Material Specification Project : Riviera Point Condominium Development Produced by : Ssangyong E&C Preparing Duration : 7days Revision : C Introduction This method statement relates to the Typical Plastering work & skim coat works The project site is located in District 7, HCMC of Vietnam We recognize that safety, health and environment (SHE) are primary premise in all decisions, being made for successful construction and shall comply with the relavant local authorities of Ho Chi Minh City, Socialist Republic of Vietnam We will develop the construction method with the focus to avoid any harm to the health and safety of owner’s personnel, contractor employees and the public and also to minimize adverse effect to the natural and around environment All necessary specifications, inspection and quality control will be complied with the contract documents, specification If there is any discrepancy in the descriptions below, it will be designated by RPLLC Definition & Abbreviation The abbreviations are used for this method statement, as shown below : 1) Project Definition - Project: Riviera Point Project (Phase 1A) - Main-Contractor: Ssangyong Engineering & Construction Co.Ltd 2) Project Abbreviation - SSY: Ssangyong engineering & Construction Co.Ltd - RPLLC: Riviera Point Limited Liability Company, KPLC: Keppel Land Construction - PM: Project Manager, CM: Construction Manager, SM: Site Manager - PD: Project Director, PJC: Project company, KPLS: Keppel Land Safety team - SCM: Senior Construction Manager, SEM: Senior Engineering Manager - SHE: Safety Health Environment, RFT: Raft, SAC: Safety Awareness Center - QA: Quality Assurance, QC: Quality Control, QS: Quality Surveyor - DWG: Drawing, BSMT: Basement, FDN: Foundation, BLK: Block, SsangYong E&C 1/126 28.01.2013 Scope of work The main scope of work is Typical Plastering & Skim coat work [ Site Location of Riviera Point Project ] SsangYong E&C 2/126 28.01.2013 Resources (Materials, Equipments & Human Resources) 4.1 Materials for Plastering work No Material Name Type Cement Approved Brand Mortar M1, M2 Concrete Normal Metal Lath Local Normal metal lath water City water Bonding Agent Sand Warning Tape 5cm Wooden stick many types Unit Notes If necessary Type Sika Latex Common 4.2 Equipments for Plastering work No Equipment name Production Unit Quantity Hoist 1500 kg / 1000 kg set 2009/201 Plastic formwork 2009 m2 800 Polywool with layer film 2010 m2 500 Normal polywool 2010 m2 500 Steel Coffa 2009 m2 1200 I beam, tube 2009 m 5000 Brace support 2009 pcs 200 Scaffolding 2009 frame 600 Cutting machine Hp 2010 set 10 Welding machine 150 - 300 A 2010 set 11 Drilling machine f10-f40 2010 set 12 Hacking machine 2010 set 13 Hand cutting machine 2010 set 10 SsangYong E&C 3/126 28.01.2013 l Contractor 2,~Af\t'$-Yf'N'~ Date Of Inspection Location f~k_ Type Of 1st Aid Bo)( AIBIC v Narne Of First Aider f~tMT~Tt~ Signature II' "I I tVJ )