Biện Pháp Thi Công Cẩu Tháp (Bản eng)

Biện pháp thi công móng, lắp dựng, tháo dỡ, tính toán chuyển lực lắp dựng cẩu tháp cho nhà cao tầng, ống khói, Silo tro bay bản tiếng anh tại hạng mục silo tro bay tại dự án nhiệt điện Sông Hậu I thực hiện theo hợp đồng EPC+Điều chỉnh giá

DOCUMENT SUBMISSION STATUS: FOR CONSTRUCTION 25.07.2017 FOR CONSTRUCTION T.M.CƯỜNG T.Q.KHƯƠNG N.D.VIET A 05.07.2017 FOR APPROVAL T.M.CƯỜNG T.Q.KHƯƠNG N.D.VIET REV DATE DESCRIPTION PREPARED CHECKED APPROVED PROJECT TITLE SONG HAU THERMAL POWER PLANT (2x600MW) OWNER OWNER’S CONSULTANT FICHTNER GmbH & Co KG PV ENGINEERING VIETNAM OIL AND GAS GROUP (PVN) EPC CONTRACTOR EPC CONTRACTOR’S CONSULTANT VIETNAM MACHINERY TOKYO ELECTRIC POWER SERVICES INSTALLATION COMPANY LIMITED -(LILAMA) TEPSCO CORPORATION CONTRACTOR SUB-CONTRACTOR HANCORP ICON4 DATE SIGN DOCUMENT TITLE Prepared 25.07.2017 T.M.CƯỜNG Method Statement for Construction of Checked 25.07.2017 T.Q.KƯƠNG Tower crane Foundation( For Approved 25.07.2017 N.D.VIET construction of Fly Ash Silo) DOCUMENT NO REV SH1-HNC-P0100-C-C14-PRO-0051A SONG HAU THERMAL POWER PLANT PROJECT 2X600MW TABLE OF CONTENTS 1.INTRODUCTION 2.SCOPE OF WORKS THE METHOD STATEMENT ASSIGNS RESPONSIBILITY AND DEFINES PROCEDURES FOR CONTROLLING THE TEMPORARY TOWER CRANE ERECTION WORK BY SYSTEMATIC ACTIONS 3.REFERENCES DOCUMENT 4.RESPONSIBILITIES 4.1 PROJECT MANAGER: 4.2 SITE MANAGER 4.3 CONSTRUCTION MANAGER 4.4 HSSE MANAGER/ OFFICER 4.5 QA/QC MANAGER 4.6 QC SUPERVISORS 4.7 CONSTRUCTION SUPERVISOR (ENGINEER) 4.8 SITE ORGANIZATION CHART 4 6 5.WORKING PREPARTION 5.1 CONSTRUCTION LAYOUT PLAN 5.2 MANPOWER AND EQUIPMENT MOBILIZATION 10 Table – 1: Construction equipment 10 Table – 2: Construction equipment 10 6.ERECTION METHOD OF TOWER CRANE 11 6.1 FOUNDATION CONSTRUCTION 11 6.1.3 Calculation of pit foundation excavation 11 7.CERTICATION 11 8.ENVIRONMENT, HELTH AND SAFETY 11 9.JOB SAFETY ANANLYSIS (JSA) 13 10.APPENDIX 14 10.1 APPENDIX A – SCM TOPKIT FO/23B – PA 664 TOWER CRANE SPECIFICATION 10.2 APPENDIX B - CALCULATE TOWER CRANE FOUNDATION 10.3 APPENDIX C – LAYOUT PLAN DRAWING TOWER CRANE ARRANGEMENT 10.4 APPENDIX D – DRAWING TOWER CRANE FOUNDATION METHOD STATEMENT FOR CONSTRUCTION OF TOWER CRANE FOUNDATION 14 14 14 14 Page SONG HAU THERMAL POWER PLANT PROJECT 2X600MW INTRODUCTION This method statement describes the procedure and sequence of activities to be carried out during the Temporary Tower Crane erection & dismantle for Fly Ash Silo in order to ensure that the work is planned and performed in accordance with the manufacture & supplier’s installation and manual at Song Hau Thermal Power Plant Tower Crane Specification: - Model: SCM TOPKIT FO/23B – PA 664 - Max Capacity: 57,8 Ton - Working Radius: + Min.: 4.3 M + Max.: 51.7 M - Max Height: 59.8 M For more detail please refer Appendix A – SCM TOPKIT FO/23B – PA 664 Tower Crane Specification SCOPE OF WORKS - This method statement describes steps to be followed before, during and after Tower Crane erection to ensure compliance with manufacturer’s manual - The method statement assigns responsibility and defines procedures for controlling the Temporary Tower Crane erection work by systematic actions REFERENCES DOCUMENT - After installing, must check, loading test according to regulated safety norm on lifting equipment - Article 6.3 TCVN 4244 – 2005 - Project HSSE Management Plan (Doc No.: SH1-LLM-P0001-HS-G01-PRO-0001) - Scaffolding Procedure (Doc No.: SH1-LLM-P0001-HS-G01-PRO-0009) - Lifting Equipment’s Operation Manual RESPONSIBILITIES 4.1 Project Manager: The Project Manager shall ensure that the erection work is performing to the required Project quality standard and Schedule The Project Manager is also responsible for managing the erection work of consultants, civil and fabricating resources in an efficient manner The Project Manager is responsible for the following: - Planning: looking ahead to implementation and determining the elements of the project for each element, scheduling durations, resources, costs and etc Organizing: selecting the project team and determining the team’s responsibilities; Managing: coordinating activities of the project team, contractors, consultants, clients, and/or financing agency; Supervising: implementing control techniques for design reviews, construction checks, milestone assessments, progress meetings, and reports, both informal and formal; and METHOD STATEMENT FOR CONSTRUCTION OF TOWER CRANE FOUNDATION Page SONG HAU THERMAL POWER PLANT PROJECT 2X600MW - Financial controlling: administering financial aspects such as invoice approvals, progress certificates, payment of accounts, etc Etc 4.2 Site Manager The Site Manager has the responsibilities for the application of this Method Statement and detail technical aspects, which is defined in this procedure inclusive of ensuring that all safety measures are implemented Site Manager shall: - Monitoring and implement the construction phase Health & Safety plan Ensure works are executed within legislative and Project requirements Manage the Subcontractors, Risk Assessments and Method Statements as applicable Approve Method Statements and JSA Prepare Risk Assessments and Method Statements for directly operatives Maintain a working knowledge of H&S legislation including changes to the legislation Carry out audits of H&S as required by Project HSSE procedures Advising others of H&S requirements as required Determining the scope of the package in conjunction with the Project Manager Monitoring and controlling the progress of the subcontractors by means of established control methods (progress meetings, short‐term programmes etc) Monitoring progress of works based on Contract Programme and record as necessary Ensuring Company operating systems are adhered to in all respects Setting up the required operating systems at project commencement Maintenance of daily records Providing records to support Project Manager Attending meetings as required Report on changes which are affective to works and comment on day works Identification and discussing with Project Manager possible commercial opportunities arising from client information / changes or subcontract information /changes Etc 4.3 Construction Manager Construction Manage shall overall take construction management of the Project - Planning, developing and organizing to the construction plan and schedule of erection work to implement the execution in accordance with the approved Project Schedule Be responsible for implementation of the scope of work related to construction/ fabrication and erection in accordance with the approved Project Schedule Monitoring and reporting to Project Manager project details, including progress, risks and opportunities in a timely manner Ensuring that all changes to specifications, work scope and drawings are documented Defining clear roles & responsibilities and deliverable requirements in terms of both scope and schedule to all the team members Reviewing man-hours and duration forecasts for completion onshore construction and man-hours, duration and manning forecasts for offshore hook-up and offshore installation durations and resource requirements METHOD STATEMENT FOR CONSTRUCTION OF TOWER CRANE FOUNDATION Page SONG HAU THERMAL POWER PLANT PROJECT 2X600MW - - Monitoring construction productivity and schedule performance and investigate reasons for less than satisfactory performance Provide recommendations and institute measures for improvement by modification to operating procedures/work instructions Etc 4.4 HSSE Manager/ Officer HSSE Manager takes responsibility of all ESSH (Environmental Safety Security and Health) activities at site HSSE Manager/ Officer shall: - - Ensure that work is carried out in safe manner and also ensure that tool box talks, pre talk ESSH meetings are conducted by concerned supervisors and shall ensure proper mode of communication in case of emergency Ensure personnel adhere to method statement, hazards and sequence of work Ensure that all the activities are carried out in accordance with the relevant safety regulations Practice safe working techniques and re-enforce the safety policies, guidelines, and procedures as setting out by the Company Provide daily guidance and direction in EHS programs for the employee / supervisor level to ensure a common and effective approach; Be responsible for assisting the identification of possible losses; evaluating the risk such as losing exposure; developing and implementing plan to correct or prevent loss and audit the plan to ensure its effectiveness − Ensure that contractor personnel working on the property are in compliance with Avalon policies and safety requirements - - - Maintain and update as needed SOP’s for all safe work practices, equipment and utilize them in the day to day training Provide advice, assist, and audit line management to ensure that effective EHS is implemented and working Perform and contribute to the Site Training Plans by conducting employee orientations; emergency response training; and coordination of modular training programs for the Operation Ensure inspections by regulatory agencies which are coordinated and deficiencies minimized and corrected Coordinate with VP, Operations and General Manager on facility deficiencies and monthly safety inspections Maintain all logs and documentation associated with permits and regulatory requirements; Assist with maintaining the Site Preparedness and Emergency Plans & Procedures Be responsible for coordinating regulatory programs and its applications and help support the compliance process; supporting and providing relief for the environmental department Be accountable for researching and writing permit applications and work with environmental group and be compliant in completing permit reporting requirements METHOD STATEMENT FOR CONSTRUCTION OF TOWER CRANE FOUNDATION Page SONG HAU THERMAL POWER PLANT PROJECT 2X600MW - Review accidents and incidents which occur in the area of responsibility and conduct field audits, reporting and managing the corrective actions Maintain filing systems regarding worker training and safety; Maintain working relationships with Regulatory Agencies and chair or co- chair and lead the Safety Committee for the Operation Manage Team Base Risk Assessments and the process and regularly conduct training needs analysis Lead the Emergency Response Team and comply with all Company policies and procedures The above duties and responsibilities are representative of the nature and level of work assigned and are not necessarily all-inclusive Travel to site including cooperating and operational offices and perform any additional duties as required 4.5 QA/QC Manager The QA/QC Manager shall be responsible for ensuring that these activities complied with the relevant standard procedures and designer’s recommendations Quality control engineer shall take responsible for the documentation and inspection in accordance with the QA/QC manual and specifications QA/QC Manager shall: - - Lead and manage the QA/QC team and expertise to the overall Quality Management System, policies and standards to support properly and smoothly execution of all Quality related to activities in meeting of the Project which specified standards and requirements Ensure all work meets or exceeds the Project specifications and standard Ensure all materials meet or exceed the contract specifications To be able to document, monitor, track, and submit laboratory data Coordinate and schedule field testing and performance QA/QC inspections Monitoring daily construction activities and materials delivered to the site Review all special inspection and material testing perform by third parties Provide documentation all inspection and testing in QC reports To implement preventive measure and corrective action for non-conforming works Be responsible for production testing of raw material and other related testing and ensure testing is in compliance to internationally accepted guidelines Be able to demonstrate implementation, documentation & monitoring experience in the development & application of ISO 9001, ISO 14001, OHSAS 18001 and other Etc 4.6 QC Supervisors - QC Supervisors are responsible to directly observe/ control the quality of each working team Detail of organization diagram shall be determined in construction stage QC Supervisors instruct to working team about technical requirement, to internal inspection and report to QA/QC manager for final inspection QC Supervisors provide the requests for inspection (RFI) of work, and attend the inspection at site in corporate with DHI/ LLM/ Owner/ PMC METHOD STATEMENT FOR CONSTRUCTION OF TOWER CRANE FOUNDATION Page SONG HAU THERMAL POWER PLANT PROJECT 2X600MW - QC Supervisors provide the QA/QC documentation 4.7 Construction Supervisor (Engineer) - - Supervisor shall supervise closely the activities in accordance with method statement and project specification and ensures that required instructions are followed and all necessary work permits are placed prior to commencing the work and safety procedures of project are strictly adhered to the requirements of the project Taking necessary precautions to protect the safety and health of workers under their supervision; Ensuring that workers comply with safety and health procedures and use safety equipment, clothing, and devices; Advising workers of safety and health hazards in the work area; Cooperating with the workplace safety and health committee or representative; Cooperating with other people on workplace safety and health matters Comply with the of Project HSSE Regulation 4.7.1 Crane and Equipment Operator The crane and equipment operator shall be qualified and certified (Where is available for any certification from the authority in Vietnam) and fully trained to operate the crane and equipment before starting works and also getting approval as per related site regulation at site And keeping the related site requirements such as ESSH requirement 4.7.2 Foreman Foreman shall be fully experienced on the related works who has the responsibility of supervising a team at a construction site A foreman is in charge of making sure that projects are completed safely and comply with building regulations and legal requirements They also monitor the progress of projects and ensure that the work is completed to the highest standard And keeping the related site requirements such as ESSH requirement 4.7.3 Workers Workers shall be properly carried out on the related works who has the responsibility of doing the work as per supervisor’s, foreman’s and any other’s instructions and related technical specifications such as drawing, document and etc also, any kind of worker groups shall be as per related code/specification and site regulations And keep the related site requirements such as ESSH requirement METHOD STATEMENT FOR CONSTRUCTION OF TOWER CRANE FOUNDATION Page SONG HAU THERMAL POWER PLANT PROJECT 2X600MW 4.8 Site Organization chart Lilama organization chart Mr Nguyen Nhu Binh Position : Cons Manager Email : binh.nn@lilama-sh1.com.vn Mobile : +84-0913 399 822 Mr Vu Nhu Hung Position: Deputy Cons Manager Email : ung.vn@lilama-sh1.com.vn Mobile : +84-0913 399 822 Mr Luong Van Khuong Position : Team leader Email : hung.vn@lilama-sh1.com.vn Mobile : +84-0913 399 822 Mr Tran Quan Mr Phan Huu Quyen Mr Pham Cong Hoang Position : Supervisor Email : quantv1@gmail.com Mobile : +84-0944 689 783 Position : Supervisor Email : hoangthicong@gmail.com Mobile : +84-0963 014 289 Mr Nhu Dinh Thien Position : Supervisor Email : dinhthienhd@gmail.com Mobile : +84-0914 662 029 Position : Supervisor Email : huuquyen20071987@gmail.com Mobile : +84-0979 182 207 Mr Phan Van Phuc Position : Supervisor Email : hucphansvxd91@gmail.com Mobile : +84-0947 354 991 METHOD STATEMENT FOR CONSTRUCTION OF TOWER CRANE FOUNDATION Page SONG HAU THERMAL POWER PLANT PROJECT 2X600MW Hancorp organization chart ICON4 organization chart Tran Tuan Tu Position : Site Manager Email : trantuantu0778@gmail.com Mobile : +84-0915 245 885 Trinh Van Thanh Position : Manager Email : thanhnuce90@gmail.com Mobile : +84-0973 897 856 Le Trung Hau Bui Khac Nhat Quang Position : MS Manager Email : hau110718@gmail.com Mobile : +84-0931 777 869 Position : QA/QC Manager Email : nhatquang0290@gmail.com Mobile : +84-0939 017 886 Than Duc Quang Position : Supervisor Email : QuangB11205555@gmail.com Mobile : +84-0963 880 032 WORKING PREPARTION 5.1 Construction Layout Plan METHOD STATEMENT FOR CONSTRUCTION OF TOWER CRANE FOUNDATION Page SONG HAU THERMAL POWER PLANT PROJECT 2X600MW Temporary Tower Crane for Fly Ash Silo will be erection according to lay-out plan as Appendix C – Layout Plan Drawing Tower Crane Arrangement 5.2 Manpower and Equipment Mobilization 5.2.1 Manpower - All personnel taking part in installation must be studied and seized fully the installation measures - Estimated manpower:  Site manager: 01  Engineer: 01  Safety : 01  Foreman: 01  Crane operator: 03  Rigger: 04  Worker: 10  Electrical: 01 5.2.2 Equipment Table – 1: Construction equipment No Specification of materials Unit Quantity Volume Crane Kobelco 150ton pcs Crane 60ton pcs Trailer 30ton pcs Remark Table – 2: Construction equipment No Item/Equipment Back crawler excavator 0.7 Truck Unit Quantity set set Three phase current wire = 3000m Two phase current wire = 2000m Three phase currents 3,5 HP = set Two phase currents 1,5 HP = set Water pipe = 1000m Electric wire m Pump machine & water pipe Geodetic measuring instrument set Gradiometer set Remark set set METHOD STATEMENT FOR CONSTRUCTION OF TOWER CRANE FOUNDATION Page 10 SONG HAU THERMAL POWER PLANT PROJECT 2X600MW - These are the essential equipment, it may change according to actual site condition ERECTION METHOD OF TOWER CRANE 6.1 Foundation construction 6.1.1 Based on actual geographical data in foundation location to perform foundation construction in accordance with drawings provided by the manufacturer 6.1.2 Foundation shall be prepared to manufacturer’s instruction refer to APPENDIX D -Drawing Tower Crane Foundation 6.1.3 Calculation of pit foundation excavation Table 1:Volume excavation No Excavate Excavate by Length by manual mechanical Section Section foundation Section ditch m2 40.02 m2 2.48 0.32 m 22.0 42.4 Sum Volume of excavate by mechanical m3 880.44 Volume of excavate by manual Total (m3) m3 54.56 13.57 948.57 Table 2:Volume sub- material No Section Unit Quantity Geotextile Sand bag Construction Lighting Hard Barricade M2 Bao/50kg Bộ m 1500 500 100 CERTICATION 7.1 Pre-Operation Inspection - After finishing erection, proper inspection and load test shall be conducted by a third party 7.2 Operation - To ensure the safety in operation, the tower crane shall be operated by qualified, trained and certified operator ENVIRONMENT, HELTH AND SAFETY The tower crane erection work is “high risk work”, involving the operation of a variety of plant and the use of certain skills Those workers operating cranes and other particular plant must have the appropriate license before anyone can perform high risk work For implement the erection work, we propose the method to control / minimize the injury or accident as following: METHOD STATEMENT FOR CONSTRUCTION OF TOWER CRANE FOUNDATION Page 11 SONG HAU THERMAL POWER PLANT PROJECT 2X600MW − Anyone who is being trained, in order to obtain a licence, must be directly supervised if operating the relevant equipment or carrying out specific works without a license, to ensure that the work is carried out safely All Crane Operator shall be fully experiences, skilled and always perform lifting in accordance with Crane’s manufacture recommendation while working − One of the most critical factors of lifting operation in planning is to ensure that selected lifting equipment for the job has been sufficient lifting capacity and reached to handle the intended load In the case of a tower, mobile, crawler or lorry crane, the lifting capacity is dependent on the load radius of the crane boom Hence, it is important in the selection of the crane that the distance from the load to the crane is known The loading and uploading points in the worksite must be carefully considered in relation to the location of the crane For lifting operations involving multiple loads of different shapes and sizes, the capacity of the crane shall be selected based on the weight of the heaviest load to prevent overloading − Tower crane erection works shall be carried out in accordance with approved Project Environment, Health & Safety Management Plan (Document No.SH1-DHI-P0ZEN-PMM01-PLN-0002.) and local environmental regulation − Carry out the work in such a manner as to minimize noise, vibration and other disturbance Comply with all current regulations and environmental controls − Necessary barricades, safety signboard and warning lamps shall be installed to warn on crossroad between public road and access road Signalman shall be directly involved in the works − Safety net will be provided and should secure enough quantity and install the safety net timely The quantity shall be calculated to cover the whole area considering each tier dimension − Safety activities shall be carried out according to the safety plan − All site engineers and workers will be trained as stated in the safety plan The contact numbers of the hospital, police stations and any other related authorities will be given to the foreman and the engineers to take required actions on the spots − All workers must wear the standard PPE in accordance with the relevant safety regulations − Standard PPE as site requirement should be worn while welding to avoid electric shock − Minimum safe distance from operating equipment shall be maintained − Any others in accordance with the relevant safety regulations − For safe lifting, please refer to Guidance in Appendix − To get the safety, communication between rigger and crane operator shall be done by walkie-talkie during lifting work METHOD STATEMENT FOR CONSTRUCTION OF TOWER CRANE FOUNDATION Page 12 SONG HAU THERMAL POWER PLANT PROJECT 2X600MW JOB SAFETY ANANLYSIS (JSA) JOB SAFETY ANANLYSIS Song Hau Thermal Power Plant List of All Job Steps List of All Known Hazards How to Eliminate Hazards A Workers A.1 Not properly equipped with PPE Properly equipped with PPE "A.2 Worker abnormal physical condition (drunken fatigue) “ A.1 Instructing to wear proper PPE A.2 Make the worker to take enough rest B Transportation of equipment & delivery of materials B.1 Crash/ traffic accident B.2 Material fall from truck/trailer B.1 Check the access road before passing the area B.2 Designate a signalman who wear the red suit and safety helmet and control the work B.3 Secure the material on trucks/trailers with suitable lashing/chains minimum at places C Ground Assembly C Crushing accident during assembly work C.1 Clearance of safety access road C.2 Communication with the Signal man C.3 Provide proper support to the steel columns while these were kept on the ground to avoid tipping over the workers during ground assembly C Adequate and tighten lifeline (Static line) shall be installed at proper location on ground D Heavy Lifting Works D Crushing may cause fatal injury or permanent disability D.1 Preparation of a rigging lift list and plans for lifts of twenty (20) tones or greater D.2 Only a qualified and Certified operators Signalman should be in-place D.3 Do not stand beneath the lifting areas D.4 Ensure loads are fixed with sling belt correctly D.5 All lifting equipments must be in good conditions D.6 Experienced lifting supervisor at all times D.7 Only monthly checking color attached lifting tools allowed to use D.8 All lifting tools must have identification tag (including serial number, certification number, SWL inspection date and due date) D.9 Provide safe entrance and exit access road for the labors Passing D.10 Provide barricades around the lifting radius D.11 Hand held sirens shall be used to warn the workers in surrounding areas when lifting operation start D.12 Lifeline (Static line) shall be fixed to steel structure as soon as finishing installation (Priority shall be given to fix the static life line on the ground before lifting of steel structure to minimize the risk of fall) D 13 After erection (Heavy lifting), Safety net and side safety net shall be installed to prevent fall incidents E Unloading Equipment and Materials E.1 Falling accident E.2 Falling accident of material E.3 Squeezed by the materials F Equipment and material preparation for F.1 Collision between machines Overturning may cause death or permanent disability E.1 Proper equipping of PPE E.1 Proper use the harness (2 lanyards) and life line over meters E.1 Checking the signal of signal man and checking the direction of the material lifting direction E.1 All worker who work over 1.8 meters must be trained the working At height training E.2 Visual inspection of all lifting tools E.2 Prohibiting man access under the lifting area E.2 Strong canvas bags should be used to keep the tools, nuts, bolts and other light weight materials on higher elevations E.3 Keeping the left over material properly stacked on the ground E.3 Analyzing the loads (weight, shape, lifting points, etc.…) and lifting device to suit the crane capacity E.3 Keep material Properly arranged and stacked in leveled conditions F.1 Always keep the site clear of any obstructions F.1 Tool-box talks on a daily basis F.1 Adequate warning signboards METHOD STATEMENT FOR CONSTRUCTION OF TOWER CRANE FOUNDATION Page 13 SONG HAU THERMAL POWER PLANT PROJECT 2X600MW Temp facilities F.1 Checklist on all vehicles must be provided every day F.2 Unnecessary movements of equipments towards a person that causes injury and damage to materials F.2 Designate a signalman who wear the red suit and safety helmet and control the work F.2 Heavy machinery should have backward movement warning light and beacon F.2 Equipment used to clear the site should be controlled and sorted by a banksman F.2 Provide safe entrance and exit for the workers going to the area F.2 All vehicles entering on the site must turn-on their headlights day and night time F.3 Daily check of the equipments prior to work F.3 Equipment oil leakage during operation G Working Operation During Night Time H Welding and cutting works G.1 Working operation of the equipments may cause injury to personnel due to poor visibility of the area H.1 Electric shock, fire, burn to body and injury to eye may cause death or permanent disability G.1 Must provide sufficient lightings on the entire working area G.1 All equipments must ensure all lights are operational and not obscured by dirt or mud G.1 Supervisor must always be present for the entire working operation G.1 All workers must be wearing proper PPE G.1 Ambulance and nurse must be available in first aid station G.1 Must use industrial socket and plug G.1 Electric cabinet should not affect any water and it shall be locked H.1 Proper earthing and connection of welding machines and generators H.1 Flashback arrestor and gauge should be installed prior to use cutting cylinders H.1 Proper PPE to be worn at all times H.1 Must use and connect core codes electric wire and separate distribution panel (must pass arrangement of ELCB) and avoid any water affect H.1 Must use industrial socket and plug H.1.Weather proof Electrical DBs shall be use H.1 In case of using AC welding machine, a safety device called VRD (voltage reduction device) shall be used H.2 Daily check of the equipments prior to start of work H.2 Regular monitoring of the equipment in order to control and prevent oil leakage and other engine trouble H.2 Provide secondary containment protection under the equipment to prevent contamination of the soil by oil spillage H.2 If oil leakage, must remove the oil and contaminated soil immediately H.3 Diesel/chemical shall be stored in secondary containment and MSDS requirements shall be communicated with all concerned H.2 Generator(diesel) equipment oil leakage during operation H.3 Oil/chemical storage 10 APPENDIX 10.1 Appendix A – SCM TOPKIT FO/23B – PA 664 Tower Crane Specification 10.2 Appendix B - CALCULATE TOWER CRANE FOUNDATION 10.3 Appendix C – Layout Plan Drawing Tower Crane Arrangement 10.4 Appendix D – Drawing Tower Crane Foundation METHOD STATEMENT FOR CONSTRUCTION OF TOWER CRANE FOUNDATION Page 14 ... PA 664 TOWER CRANE SPECIFICATION 10.2 APPENDIX B - CALCULATE TOWER CRANE FOUNDATION 10.3 APPENDIX C – LAYOUT PLAN DRAWING TOWER CRANE ARRANGEMENT 10.4 APPENDIX D – DRAWING TOWER CRANE FOUNDATION. .. PA 664 Tower Crane Specification 10.2 Appendix B - CALCULATE TOWER CRANE FOUNDATION 10.3 Appendix C – Layout Plan Drawing Tower Crane Arrangement 10.4 Appendix D – Drawing Tower Crane Foundation. .. WORKING PREPARTION 5.1 Construction Layout Plan METHOD STATEMENT FOR CONSTRUCTION OF TOWER CRANE FOUNDATION Page SONG HAU THERMAL POWER PLANT PROJECT 2X600MW Temporary Tower Crane for Fly Ash Silo