Biện pháp thi công (Manner of Execution hoặc construction method statement) là trình tự và cách thi công 1 công trình cụ thể từ lúc bắt đầu thi công đến lúc kết thúc và bàn giao công trình, trong đó biện pháp thi công (BPTC) phải đề ra được: hiệu quả về thời gian, hiệu quả về phòng chống (như: tai nạn, phòng cháy…)
Saigon M&C Tower Project Method Statement For Fire Stopping Công ty Cổ phần Dịch vụ & Kỹ thuật CƠ ĐIỆN LẠNH R.E.E REE M&E CO.,JSC 364 Cong Hoa Street – Tan Binh District HCM City – VIET NAM Tel:38100017 * Fax: 84-8-38100337 Email: ree@reecorp.com.vn C.T.PHUONG N.A.KIET L.Q.KHANH JRP METHOD STATEMENT FOR MECHANICAL PIPING SYSTEM INSTALLATION WORK 51 N.T.S M C R E E 26/08/2009 T + M S G + Page of 51 Page FOR CONSTRUCTION G E N 0 B Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work APPROVAL STATUS Document Ref No.: MC / REE / T+ / MS / G+ / GEN / 006 / B Review by INDEPENDENT CHECKING ENGINEER on this Method Statement is required not required NOTE: * – state N/A when external approval is not required – tick as appropriate REE INTERNAL REVIEW: PREPARED BY: INTERNAL APPROVAL: Reviewed & Endorsed by: COMPANY REE NAME N A Kiet POSITION QA/QC Engineer REE REE REE REE C.T Phuong L Q Khanh Site Manager Project Manager P M Giang P K Tung Site Engineer Safety Manager External Review and Approval* SIGNATURE DATE JRP / BBI INTERNAL REVIEW: External INTERNAL Review and APPROVAL: Approval* Reviewed & Endorsed by: COMPANY NAME POSITION JRP BBI BBI BBI C.Abrogina P C Thuong T L Cong P V Hien Project Manager M&E Engineer QSE Manager SIGNATURE DATE Page 22 of of 51 49 BBI BBI OWa JDE Safety M&E Project Manager Manager Manager Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work DOCUMENT STATUS Details of Revision: Revision Rev Date Sections Amendment Source and/or Details - 26-08-09 All First issue for endorsement A 17-06-10 All For Construction Follow comment sheet No.: SMC-BBI-ACTCOM-2237 issued by transmittal 009034 on date16-06-2010 B 01-11-10 All For Construction after add installation details of Cast Iron pipe under basement Status of Page Revision: Rev No Ö Page No ° 10 11 12 13 14 15 16 17 18 19 20 21 A X X X X X X X X X X X X X X X X X X X X X Page 33 of of 51 49 B C D Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Page 44 of of 51 49 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work CONTENTS 1.0 Scope 2.0 Documents Reference 3.0 QSE Classification for Subcontractors / Suppliers 4.0 Material / Sequence of work 5.0 Organization chart & Responsibilities 43 6.0 Risk Assessment 44 7.0 Specific Safety Requirements & Precaution Measures 47 8.0 Inspection and Test Plan 48 9.0 Repair / Remedial methods 48 10.0 Plants & Equipments 49 11.0 Training Plan 49 B 01/11/10 FOR CONSTRUCTION C.T.P N.A.K L.Q.K J.R.P A 17/06/10 FOR CONSTRUCTION Follow comment sheet No.: SMC-BBI-ACT-COM-2237 issued by transmittal 009034 on date 16-06-2010 C.T.P N.A.K L.Q.K J.R.P FIRST ISSUE FOR ENDORSEMENT C.T.P N.A.K L.Q.K J.R.P - 26/08/09 Page of 51 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work 1.0 Scope of works: The scope of this method statement is to provide a guideline for the implementation of all piping system installation works for inside and outside of the SAIGON M&C TOWER Project building 2.0 Documents Reference: ¾ Approved materials: PTS # : MC-REE-TA-TD-TR-GEN-111 PTS # : MC-REE-TA-TD-G+-GEN-112 PTS # : MC-REE-TA-TD-G+-GEN-113 PTS # : MC-REE-TF-TD-TR-GEN-051 PTS # : MC-REE-TP-TD-G+-GEN-031 PTS # : MC-REE-TP-TD-G+-GEN-032 PTS # : MC-REE-TP-TD-G+-GEN-081 PTS # : MC-REE-TP-TD-G+-GEN-082 ¾ Standards Required by Statutory Regulations: Decree 06/ND-CP dated 20th January 1995 issued by Government to detail some clauses of Labour Code regarding to Occupational Health and Safety Decree 209-2004_ND-CP dated 16th December 2004 related to Quality Management on Construction Works Vietnamese Standard TCVN 6156 – 1986 Vietnamese Standard TCVN 6151 – 2002 Vietnamese Standard TCVN 3146 – 1986 Vietnamese Standard TCVN 5308 – 1991 Vietnamese Standard TCVN 296 – 2004 Vietnamese Standard TCXD 394 – 2007 Page of 51 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work 3.0 Type of Materials / Suppliers: The main suppliers used in this work or package is as following: SUB-CONTRACTOR’s Material Classification Type of Material (s) Supplier M1 uPVC pipe & fittings De nhat / Snow / Nanya M1 Galvanized / Black steel pipe & fittings SeAH / Chunghung / Shijazhuang M1 Cast iron pipe & fittings Knack M1 Ductile iron pipe & fittings M1 Copper pipe & fittings M2 The sub-materials using to install piping system PA Haliang-China VN - M1 : Materials that must be submitted to the Client or its Representative for review and approval - M2 : Temporary works materials that not need to be submitted to the Client or its Representative However, M2 shall be checked by BBI/JRP Engineer In Charge when delivery on site 4.0 Materials / Sequence of work: 4.1 Material: - uPVC pipe & fittings: Used for soil, waste, vent, storm water pipe and condensate water pipe - Ductile iron pipe & fittings: Used for plumbing & drainage system - Cast iron pipe & fittings: Used for drainage system - Galvanized / black steel pipe & fittings: Used for fire protection system - Galvanized steel pipe & fittings: Used for condensate water pipe system - Black steel pipe & fittings: Used for chilled water pipe system - Copper pipe & fittings: Used for refrigerant pipe system - Braid, end cap, G.I cover, collar, rockwool, sealant, thread rod, clamp, rubber gasket, welding rod, soldering stick (silver, brass), oxyacetylen, N2 gas… - Curved steel 30x5mm, steel plate 300x300x10mm, paint, adhesive, sealing tape (Teflon), bolt, nut, washer, accessories…etc 4.2 Preparation - Task launch meeting will be held by Ree’s engineer in charge of the works with all the staff concerned by this activity to explain and remind for the Method Statement (MS), Inspection & Testing Plan (ITP), Safety Page of 51 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work - uPVC, PPR, cast iron, ductile iron, galvanized/black steel pipe, fittings and accessories… are brought to the site and inspected by authorized person (BBI/JRP Engineer) 4.3 Sequence of work 4.3.1 Methodology a.) General: - Ensure that all pipes have correct diameter, approval of material prior to start works - All pipes smaller than Ø65mm will have screwed connections - All pipes and joints with Ø65mm and above shall be welded or mechanical coupling except at valves where flanged connections shall be used - Pipe shall be cut by power hacksaw, circular cutting machine with abrasive wheel, hand hacksaw Metallic wheel cutters shall not be permitted - Welded joint shall be used for branch connections from Ø25mm diameter to smaller than Ø65mm diameter with main pipes - During period work is not in progress, pipe, fitting shall be temporarily capped to prevent entry of foreign materials - All equipments and valve connections shall be fitted with union joints if pipe diameter smaller than Ø65mm and flange joints if pipe diameter over Ø65mm - Each piping system shall be thoroughly flushed until proven clean before connecting to plant or equipment For carbon steel pipe, water must be filled in pipe after finishing pipe leakage test or flushing in order to avoid the corrosion - Pipe work will follow the arrangement shown on the approved shop drawings b.) Pipe joint : - If welded joints are impractical to be performed, flange joints or mechanical coupling shall be used for Ø65mm pipe and above where necessary - If screwed joints are impractical to be performed for pipe size smaller than Ø65mm, approved steel socket steam union may be used i Screwed joint - Do not damage fittings surface, remove burrs and ream smoothly Apply teflon tape to the male thread All excess jointing material must be cleaned thoroughness ii Flanges joint - Use matched flange faces and 3-4mm thick compressed gaskets Page of 51 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work iii Soldered joint - Remove burrs and ream smooth Clean outside of pipe and inside of the fittings with sand cloth Apply flux and move flame evenly to joint position Clean joint of excess flux leaving a fillet around of the fittings & pipes iv Brazed joint - Prepare & clean joint surface Apply flux evenly to tube end and fitting socket when wrought copper fittings are used Ensure that heat joints must be required about uniform temperature and apply filler metal Clean joint of excess brazing flux with wet brush or swab v Welded joint - Butt welded joints shall be open type by electric arc - When welding is carried out in the proximity of inflammable material, special precautions shall be taken - Upon completion of pipe joint, all welded joints shall be thoroughly cleaned off with stiff wire brush and painted with a coat of anti-corrosion paint vi PP-R pipe joint - PP-R pipe joint shall be show on item installation of PP-R pipe and fittings 4.3.2 General step by step for realization a.) Preparation of Work for Site Fabrication - Preparation work shall be carried out by workers - Cut pipe to the required length - All joints as mechanical coupling, welded joints, screwed or flanged connection shall be used for piping system - Define the piping, fittings, accessories location and marking on concrete slab, floor or wall if necessary - Before execution of pipe works, all pipes and fittings must be cleaned, unobstructed and free of any damage - Upon completion of piping system, all pipe works shall be flushed with clean water prior to carrying out pressure testing Page of 51 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work b.) Pipe Work Process Flow Chart SUPPLIER PROCUREMENT NO DELIVERY MAT'L INSPECTION WORKSHOP/ STORAGE YES SUPPORTS & BRACKETS INSTALLATION PIPING WORK INSTALLATION NO PIPE WELDING NO PRESSURE TEST NO INSULATION & JACKETING NO INSTALL INSPECTION YES TESTING COMMISSIONING YES PROCESS END Page 10 of 51 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work Table 7: Necessary Length of Solder Copper pipe size (mm) 10 15 5/8B 20 25 32 Necessary Length (mm) - L 13 22 30 60 90 Maximum Length (mm) - Lmax 12 19 32 42 82 123 * Diameter of solder is 2mm If other diameter is used, Change the length in accordance with this table Soldering iron Flame Copper pipe Copper pipe Soldering stick (by silver or brass) Detail for soldering copper pipe # Notes: - During heating and applying solder, N2 gas must pass through inside pipe on going in order to avoid making oxide coating Oxide coating will be cause of corrosion by reaction with Refrigerant pipe - Solder must be melted by the heat of surface - Heat the pipe surface by burner until the color of pipe surface become pink and color of frame become lime green Page 37 of 51 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work 4.3.9 Lift method for heavy pipe system a.) Typical lift and installation procedure for horizontal pipe - Define the center of pipe - Check and install hoist - Move pipe to the installed position - Tug the pipe up to the necessary elevation - Install support for heavy pipe - Modify pipe to get right elevation as per approved drawings - Remove hoist and accessories Typical lift for heavy pipe at 6th floor Page 38 of 51 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work Locate and install heavy pipe Typical details b.) Typical lift and installation procedure for vertical pipe - Lift and installation work for vertical pipe in technical shaft shall be showed on drawing below Page 39 of 51 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work Typical lift & installation for heavy pipe on technical shaft Page 40 of 51 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work 4.3.10 Testing Method for pipe system a.) Testing Procedures The hydrostatic test shall be applied on all chilled water pipes and condenser pipes, fire protection pipes, plumping pipes The water filling test shall be applied on all A/C drainage pipes, sewage drainage pipe, fire hydrant drainage pipes, sprinkler drainage pipes The test medium shall be water The test pressure shall be 1.25 times of the system working pressure The holding time of the hydrostatic test should be to hours Visual inspection shall be carried on welded joints and connections (valves or flanges) Water filling test shall be done for floor by floor after pipe installation finished Finish pressure shall not show a drop of more than 5% in comparison with initial pressure at the end of test time Water level in pipe system for filling test shall not change after agreed time Results of tests shall be recorded in approved form of Main Contractor (BBI), Consultant Engineer (JRP) b) Hydrostatic testing method Used equipments for pressure test are electric motor pump & manual hand pump Install 02 (two) water pressure gauge (range 0-15Kg/Cm2 ), one fixed at the high point and another one at low far point of pipe First fill water into the pipe to be tested, then used electric pump to increase the pressure inside the pipe to half the pressure required Use the manual hand pump to increase pressure to the final test pressure requirement A air relief valve shall be installed at the highest position to released the remaining air inside the pipe Test duration: hours or longer (depending on each pipe system Record water pressure at starting time and 2~4 hours later final test time with no pressure drop to confirmed no leakage, record ambient temperature (if any) Page 41 of 51 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work After testing, release the water pressure to 0Kg/Cm2 c) Water filling test method Before water filling test, all pipes end must be capped Water shall be filled inside all tested pipes at each floor Making water level between water surface and top of pipe, then cover at top of pipe by end cap Test duration: 2h Check interval change by visual check After testing, no change of water level to confirmed no leakage, record ambient temperature (if any) # Notes: - For internal piping where by distance shorter and pipe smaller in size, manual handle pump shall be used to set pressure - During hydrostatic test, change in the teperature shall be mentioned - Water pressure gauge shall be checked and stamped of Quality Assurance & Testing Center 4.3.11 Inspections & Testing Procedures - The inspection work for pipe system shall be execuated by visual inspection and measure during the installation - The method of testing shall be visual inspection and hydrostatic test - The procedure and checklist for inspection and testing shall be prepared and submited to Main Contractor (BBI) before working started - Inspection and testing shall be performed by REE and to be inspected by Consultant Engineer (ACT), Main Contractor (BBI) and M&E Consultant (JRP) - Test and inspection results shall be archived and documented in appropriate record forms and shall be made available upon request - Detail for installation of piping shall be showed on approved shop drawing - Installation for support, hanger rod shall be indicated in method statement for M&E support system installation work MC-REE-T+-MS-G+-GEN-005 # Notes: Page 42 of 51 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work 5.0 Organization chart & Responsibilities: 5.1 Organization chart Project Manager Le Quoc Khanh Denote key personnel for the work Installation team Support team Electrical Site Manager Eng P.D Man In-charge Engineer Mechanical Site Manager Eng C.T Phuong In-charge Engineer N.N.K Van (Podium area) T.P Vu (HVAC) T.Q Minh (Residential area) L Quang (Fire protection) N.N Ha (Officel area) P.N.D Khiem (Plumbing) H.N Phuc (Basement area) P.M Giang (Basement area) N.C Duc (BMS) D.V Thang (Residential area) V.T Hai (FA & PA) H.V Quy (Office area) Installation teams General Coordinator Eng H.Q Do In-charge Engineer H.D Thanh (Mech shop dwg) Installation teams Page 43 of 51 V.D Thien (Combine dwg) V.L.G.H Son (Combine dwg) N.M Tri (Combine dwg) L.L.L Dinh (Cad engineer) L.H Ngoc (Cad engineer) Installation teams Administration Ms H.L.B Van QA/QC Eng N.A Kiet Safety Manager P.K Tung Financial Dept BA N.A Tuan Material control & Site store L.V Nhan Admins staff Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work 6.0 Risk Assessment: Prepared by Reviewed and endorsed by: Approved by Name N A Kiet P M Giang P.K.Tung C.T Phuong L Q Khanh Position QA/QC Engineer Site Engineer Safety Manager Site Manager Project Manager Company REE REE REE REE REE Signature Date 6.1 Standard safety risks: Assessment BEFORE measure Identified risks Assessment AFTER measure Prevention and monitoring measure Preventive action to improve to create S E P total OK 3 18 2 16 Wear safety harness 16 32 Method drawing 64 Personnel equipped with safety harness 2 16 2 16 3 S E P total Due to the handling 12 Falling from mobile scaffold 4 48 Fall from a height 4 64 Wear gloves, safety helmet and safety shoes Worker must wear harness attached to lifeline Falling from work platform 4 64 Fall from a height due to gaps 4 Acrobatic works 4 1) RISKS ARISING FROM WORK SITUATION Operate without visibility 4 32 Operation leader equipped with a flag and reflective vest, work leader always present at any time Access to work platform 2 12 Provide good access to work platform 2 2 16 3 2 12 2) RISKS ARISING FROM THE EQUIPMENT OPERATION No wear personal protective equipment 4 64 Wear personal protective equipment (PPE) when working and whenever on site Equipments (welding machine, cutting machine, drilling machine ) are in bad condition 3 18 Replace & repair equipment Page 44 of 51 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work Poor equipments maintenance / service 3 Poor set-up of scaffolding 4 48 Worn accessories 4 32 Cut with circular saw 12 Cut wounds with cutters Bad usage of the equipment & not correct instruction (welding machine, drilling machine, hammer…) Foreign matters, dust in the eyes when cutting, welding Material, tools put not correctly on assigned area Check maintenance log before use 2 3 18 3 12 Saw equipped with protection 2 12 Lay-out of work station and training 2 3 Training of using equipment + power tools 3 18 Wear eye protection 2 48 Instruction for arrange, storage per modify area 2 16 Inspection and tag for assembled scaffold before use Regular control of the condition of the equipment / tools 3 3) RISK ARISING FROM THE USE OR HANDLING OF PRODUCTS AND MATERIALS Allergy, skin disease 4 48 Inform workers of the risks during task launch meeting Wear gloves and working gears 3 18 Unaware of the storage and conservation rules (epoxy, glue, paint…) 4 48 Instruct storage & maintain material per rules Refer to MSDS 3 18 Legend: S: Severity E: Exposure P: Probability 6.2 Quality risks: Identified risks Prevention and monitoring measures ITP reference Position, size, level of piping are not correct with approved shop drawing Check approved shop drawing Jointing, connection… are not installed properly Check jointing, connection per approved shop drawing, spec Hangers, supports are not firmly secured Check firmly secure as specification Welded joint is not good condition Check welded joint per spec, welding procedure MC-REE-T+-MS-G+GEN-006 MC-REE-T+-MS-G+GEN-006 Spacing, length of piping, support are not correctly installed Measure spacing, length according to approved shop drawing MC-REE-T+-MS-G+GEN-006 Cleaning works Check that cleaning works are properly done all along the task duration MC-REE-T+-MS-G+GEN-006 Page 45 of 51 MC-REE-T+-MS-G+GEN-006 MC-REE-T+-MS-G+GEN-006 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work 6.3 Environment risks: Environmental aspects (activities) Materials, equipments, tools delivery to site Materials waste include: rubber, gasket, teflon, G.I sheet, braid, screw, bolt, nut, rod, soldering stick, rockwool, glasswool…etc Metal, steel, PVC pipe and fittings consumption Environmenta l impacts Concerned populations (risks) Exterior Risk of traffic jam Neighbourhood, road Soil, water , air pollution Neighborhood / Environment Environment pollution Natural envionment Electrical, water consumption serve for installation, testing, and operation work Exhaustion of natural ressources Neighborhood / Environment Production, installation of noise during piping work Neighborhood Neighborhood Leakage of sealant when use Environment pollution Natural envionment Emission of dust, smoke during operation of equipments as cutting, welding machine, grinder… Dispatch of hazardous products in water and soil in case of flood due to important rainfall Neighborhood/ Environment Air pollution Soil and water pollution Natural envionment Interior Prioritisation Action F G FxG 2 Avoid, limit in rush hour when delivery to site Cleans up at the end of every day after installation work and give rubbish into correct place Proper fabrication, installation as per method to avoid wastage Worker / labour Worker / labour Control of electrical, water consumption, Good plannification for use and remove as per procedure and process on site Avoid, limit work on rest time, control or good coordination of work time 2 Regular and proper use of sealant to avoid leakage Spraying of water on floor surface or protect smoke areas during operation of equipments Direct recovery and cleaning of all kind of waste, products …after use, when it rain, there is the properly storage for all the wastes 2 Legend: F: Frequency G: Gravity Note: Ree will classify harmful waste, recyclable scrap and discard as per site regulation The wastes shall be collected and treated by certified process by others Page 46 of 51 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work 7.0 Specific Safety Requirements & Precaution Measures: 7.1 General precautions: - All safety equipment, personal protective equipments (PPE) such as clothes, safety shoes, helmet, gloves, safety harness, safety glasses shall be provided before entry the site and regularly checked during construction - Tools and equipments as cutting machine, drilling machine, welding machine, rivet machine, hacksaw, grinder, wrench …shall be inspected by authorized person before carrying out to work - Scaffolding is erected by competent rigger, inspection by safety team and inspection tag must be displayed on scaffold to use - When using diamond cutter, workers must wear gloves, eyes goggle and face shield - Rough edges and burrs shall be removed from inside and outside surfaces - Inside edges shall be reamed smooth by reamer or sand paper - Pipes shall be cut using a mechanical cutter or a power tool using an abrasive wheel - Piping will be arranged in a proper manner for easy retrieval and to avoid obstruction to circulation 7.2 Requirement & Precaution for Welding work - Welding area must be covered by vinyl sheet to keep away water and dust - Welding machine must be checked carefully before using - Welding rod keeps in secure at not humid area - Grounding wire for the electric arc process must be provided and wet cloths, protective glasses and long sleeve cloth must be imposed to worker - Fire extinguisher shall be provided by M&E contractor at the welding area and safety check-provision of the fire extinguisher must be done - Welding bead must be cleaned with manual grind equipment or chipping hammer or scratch brush - Use welding rod and butt weld around the pipe until full penetration is achieved - Welding shall not be done when the quality of the completed weld would be impaired by the prevailing weather conditions - Wind breakers and tents shall be provided for the welding work when bad weather - The welding surface can not be touched after the reaction - Paint welded face and adjacent area with approved anti rust paint - After welding, all welded areas shall be cleaned by wire brush and grinder - Visual inspection shall be carried out on welded joints Page 47 of 51 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work 8.0 Inspection and Test Plan: - Please refer to attached Inspection and Test Plan 9.0 Repair / Remedial methods: - All piping, fittings, accessories…will be repaired and replaced or reinstalled if it is not correct size, diameter, thickness, position, level…per approved shop drawing - If leakage found at welded joints and connections, pipes joints shall be repaired and hydrostatic test will be conducted again - Check the bevel in accordance with pipe thickness If bevel is not correct, it shall be revised by grinder - Any imperfections which exceeding acceptance criteria under welding specifications, detected visually or by hydrostatic test shall be remade - Any unacceptable welding defects such as slag inclusion, porosity, lack of side wall fusion, etc shall be removed by means of grinding and chipping - The repair of welding defects shall be accomplished in a planned coordinated manner and shall be executed according tot the welding procedure to deposit the original weld - Visual inspection shall be done to ensure that weld joints are free from cracks, inadequate penetration, burn-through and other defects and must present a neat workmanlike appearance Ú Repair method for PP-R pipe - Damaged pipes may be repaired by mean of fusion - In addition to this the offers the possibility of the pipe repair stick - The installation: same step for weld-in saddle Heat-up Install repair stick and cutting Page 48 of 51 Saigon M&C Tower Project Method Statement for Mechanical Piping System Installation Work 10.0 11.0 Plants & Equipments: - Welding machine - Cutting machine - Drilling machine - Electric arc machine - Soldering iron - Borax - Oxyacetylen torch - Grinder - Sizing tool - Hammer - Hacksaw - Wrench - PVC, copper pipe cutter - Wire brush - Reamer, sand paper - Rivet machine - Extension wire and socket - Vinyl tape, measurement tape - Marker pen - Hoist - Trolley - Chain - Wood - Ladder - Scaffold - Accessories… Training Plan: ¾ Safety induction for all workers, supervisors, labor related to this work by site safety supervisor ¾ Task Launch Meeting for all workers working on this task and direct supervisors ¾ Specific training for welding work and welding procedure by supervisors and site safety supervisor Page 49 of 51 SAIGON M&C TOWER Inspection and Test Plan Ho Chi Minh City, Vietnam Reference Document: PROCESS: MC / REE / T+ / MS / G+ / GEN / 006 / A MECHANICAL PIPING SYSTEM INSTALLATION WORK ITP Revision History: Rev Date A 26/08/2009 Page B 19/05/2010 of RESPONSIBILITY: No Activity TOC Subcontractor Consultant C/W/H ROI C/W/H ROI BBI QSE C/W/H ROI BBI Production C/W/H ROI Inspection or Test Method (or Reference) ACT C/W/H Acceptance Criteria (or Reference) Type of Record ROI A Material Checking PP-R pipe, uPVC pipe, Cast iron pipe, Ductile iron pipe, Galvanized/Black steel pipe, Copper pipe & fittings (quality, quantity, size, thickness, condition of material) I C E C E H E C E W I Visual & Measure PTS / Method statement Inspection report Cover, collar, end cap, support, paint (quality, quantity, size, condition of material) I C E C E H E C E W I Visual & Measure PTS / Method statement Inspection report Accessories (quality, condition of material) I C E C E H E C E W I Visual PTS / Method statement Inspection report B Document Approval Drawings (SD/CD) DR H E H E H E C E H I Review SD/CD Approval/Comment sheet Method statement (including ITP) DR H I H I H E C E H I Review Method statement Approval/Comment sheet Purchasing Technical Specification (PTS) DR H I H I H E C E H I Review PTS Approval/Comment sheet C Installation Inspection Work Approved brand , size, type and material used I C E H E C E C 50% W E Visual & Measure SD / Method statement / PTS Inspection report Position and level as per shop drawing I C E H E C E W 50% W E Visual & Measure SD / Method statement Inspection report Bracket support (Material, Spacing, Size, Washer and Nut) are in order as per SD / MS I C E H E C E W 50% W E Visual & Measure SD / Method statement / Spec Inspection report Proper fitting has been used I C E H E C E W 50% W E Visual & Measure SD / Method statement Inspection report Jointings and connections per specification I C E H E C E W 50% W E Visual & Measure SD / Method statement / Spec Inspection report Weld pipe joints and fittings by certified welder I C E H E C E W 50% W E Visual Method statement / Spec Inspection report Welded points are painted I C E H E C E W 50% W E Visual Method statement / Spec Inspection report Pipe installed as per approved co-ordination drawing I C E H E C E W 50% W E Visual & Measure SD / Method statement / Spec Inspection report Final painting and labeling as per specification I C E H E C E W 50% W E Visual & Measure SD / Method statement / Spec Inspection report I C E H E C E W 50% W E Visual Method statement / Spec Inspection report As-built Approval/Comment sheet 10 Clean, free from dirt, grease, and rusty D Final inspection Cleaning works after installed As-built drawings I C E C E C E W 50% W E Visual DR H E H E H E C E H E Review Company Name : Name of Rep / In-charge : Position : Remarks: Subcontractor(s)-in-charge and/or involve for the above process: BBI's Engineer-in-charge: BBI Site Engineer REVIEWED & ENDORSED BY BBI/JRP: PREPARED BY: APPROVED BY BBI Name : N.A.KIET C.Abrogina T L Cong Olivier WALON Jacques DEVAUX Position : QA/QC Manager Project Manager QSE Manager M&E Manager Project Manager Company : REE JRP BBI BBI BBI Signature : Date : L E G E N D S: TOC DR = TYPE OF CONTROL Doc Review I = T = Inspection Test ROI I % = = RATE OF INSPECTION Initially E = Percentage Responsibility W = Witness Point (activity shall proceed if parties invited not arrive in time) C = Control Point (routine control; parties invited must come but are not allowed to stop activity) QSE Ref No MC‐BBI‐QA‐QF‐G+‐GEN‐004. ITP H = Hold Point (activity shall not proceed without completion of this control) Page 50 of 51 Each Inspection report Inspection Zone : Khu vực nghiệm thu : Date: Time: Ngày: Thời gian: Storey : Tầng : BASEMENT KHU TẦNG HẦM Discipline : Hệ thống : DRAINAGE SYSTEM HỆ THỐNG NƯỚC THẢI Work Item : Hạng mục cơng việc PIPING LEAKAGE TEST THỬ NGHIỆM RỊ RỈ HỆ THỐNG ĐƯỜNG ỐNG 5th BASEMENT SLAB SÀN HẦM Location : Vị trí : UNDER CORE RAFT DƯỚI KHU LÕI PIPING LEAKAGE TESTING RECORD (LTR) BIÊN BẢN THỬ NGHIỆM RÒ RỈ ĐƯỜNG ỐNG A - Method of statement for the leakage testing: Phương pháp thử nghiệm rò rỉ: The method of statement for leakage testing is water filling test Phương pháp để kiểm tra rò rỉ thử nghiệm nước The water filling test shall be done for floor by floor after pipe installation finished Thử nghiệm nước làm theo tầng sau ống lắp đặt hoàn thành The water filling test shall be applied on all A/C drainage pipes, sewage drainage pipe, vent pipe, fire hydrant drainage pipes, sprinkler drainage pipes Thử nghiệm nước áp dụng cho tất ống nước xả hệ thống ĐHKK, hệ thống nước thải vệ sinh, ống thông h ơi, ống nước xả hệ thống chữa cháy vách tường, ống nước xả hệ thống chữa cháy tự động Before water filling test, all pipes end must be capped or covered tightly Trước tiến hành thử nghiệm nước, tất điểm cuối ống phải đ ược bịt hay che đậy kín Clean water shall be filled inside all tested pipes to 1.3m H 20 at each floor/area Nước đổ đầy vào bên ống thử nghiệm đến cao độ 1.3m nước tầng/khu vực Making and measuring water level between water surface and top of pipe edge, then cover at top of pipe by end cap Đánh dấu đo mực nước đỉnh ống bề mặt nước, sau dùng phụ kiện che kín miệng ống Test duration: hours to hours Thời gian thử nghiệm: 2h đến 4h Check interval change by visual check Kiểm tra thay đổi mực nước mắt thời gian thử nghiệm After testing time, no change of water level to confirmed no leakage, record ambient temperature (if any) Sau thời gian thử nghiệm, mực nước không thay đổi so với ban đầu đ ược chấp thuận, ghi báo cáo thử nghiệm ảnh hưởng nhiệt độ xung quanh (nếu có) Note: Ghi chú: PROJECT: SAIGON M&C TOWER Dự Án: INSPECTION NO MC-BBI-T+-LIR-BA-005-001 Nghiệm thu số : During water filling test, change in the teperature shall be mentioned Trong suốt thời gian thử nghiệm có tính đến thay đổi nhiệt độ ACT/BBI/JRP check: Kiểm tra ACT/BBI/JRP: Start time: Thời gian bắt đầu: Final time: Thời gian kết thúc: Ambient temperature at start time: Ảnh hưởng nhiệt độ thời điểm ban đầu: Comments: Ý kiến: Water level: Mực nước ban đầu: Water level: Mực nước sau cùng: Ambient temperature at finish time: Ảnh hưởng nhiệt độ thời điểm kết N/A Passed Đạt No mm N/A Failed Thử lại Comments Những ý kiến dẫn Engineer Instruction Chỉ dẫn kỹ sư B mm Date Schedule Ngày dự định Date Done Ngày thực Signature Kí tên REE JRP BBI C Attached Drawings : Các vẽ kèm theo: D Reference Attachment : Tài liệu tham khảo APPROVED Chấp thuận APPROVED with COMMENTS Chấp thuận với ý kiến NOT APPROVED (Re-inspection required) Không chấp thuận (Nghiệm thu lần nữa) Subcontractor's Representative ( REE ) Đại diện thầu phụ (REE) Name: Date: Consultant's Representative ( JRP ) Đại diện tư vấn (JRP) Name: Date: ` Main Contractor's Representative ( BBI ) Đại diện thầu (BBI) Name: Date: Engineer's Representative (ACT) Đại diện chủ đầu tư (ACT) Name: Date: Page 51 of 51 ACT