The purpose of this method is to describe the methodology and sequence involved in construction work for CCB building and to detail out the steps to be taken in order to meet the technical requirement of Van Phong 1 thermal power plant project
AP APPROVED Approved AC APPROVED WITH COMMENT Contractor to revise the correction and resubmit NA NOT APPROVED Revise the correction and resubmit before proceeding For ApprovalREVIEWED RE Information acknowledged with no comment RC REVIEWED WITH COMMENT Information acknowledged with comments Note: Approval or comment does not relieve the Contractor of all obligations covered under contract Discipline: Architectural 10 Jul 20 Date: A 25-Jun-2020 For Approval J.H CHOI K.S KIM M.S KIM REV DATE DESCRIPTION Approved Checked Prepared OWNER VAN PHONG POWER COMPANY LIMITED PROJECT Van Phong 1BOT Thermal Power Plant Project Status □Approved □Approved with Comment □Not Approved □Reviewed OWNER’S ENGINEER Pöyry Switzerland Ltd EPC CONTRACTORS IHI–TESSC–CTCI–DHI CONSORTIUM PROJECT DOCUMENT No REV VP1-0-L4-A-UCB-20015 A DOCUMENT TITLE METHOD STATEMENT FOR GENERAL FINISHING WORK FOR CCB EPC EPC DOCUMENT No VP1-0-L4-A-UCB-20015 Doosan Heavy Industries and Construction REV A Page |1 VPCL VP1 Consortium VP1 BOT Thermal Power Plant CONTENTS PURPOSE 2 REFERENCE DOCUMENTS TOOLS & EQUIPMENTS RESPONSIBILITIES MATERIAL PROCEDURE AND SEQUENCE 6.1 CONCRETE BLOCK WORK 6.2 PLASTERING WORK 6.3 TILING WORK 6.4 RAISED FLOOR WORK 10 6.5 CEILING WORK 12 6.6 DRY WALL PARTITION 13 6.7 PAINTING WORKS 14 6.8 DOOR AND WINDOWS WORKS 16 QUALITY CONTROL 24 ENVIRONMENT, HEALTH AND SAFETY (EHS) 24 8.1 RESPONSIBILITIES AND INSTRUCTIONS 24 8.2 SAFETY (PPE) 25 8.3 ENVIRONMENTAL 25 8.4 JOB SAFETY ANALYSIS 30 Page |2 METHOD STATEMENT FOR GENERAL FINISHING WORK PURPOSE - The purpose of this method is to describe the methodology and sequence involved in construction work for CCB building and to detail out the steps to be taken in order to meet the technical requirement of Van Phong thermal power plant project - Plant Project/Project: Van Phong BOT Thermal Power Plant Project - Company/Owner: Van Phong Power Company Limited (VPCL) - Contractor: EPC - This method statement describes the work procedures to be carried out during an execution stage of finishing works as below No Contents of Finishing Work Concrete block work Plastering work Tiling work Raised floor work Celling work Dry wall partition Painting works Door & windows work REFERENCE DOCUMENTS - Project technical requirement 02 Part III-2 Exhibit B1 Tech Spec Section Part III-2 Exhibit B1 Appendix G - Civil Structural Technica VP1-0-L4-A-UYX-00101 ~ 00105, Architecture General Drawings TOOLS & EQUIPMENTS In accordance to requirement for each working procedures RESPONSIBILITIES - It is overall responsibility of Project Manager / Engineering Manager to organize resources prior to perform construction activities as per project specification in compliance with quality, schedule & safety requirements - It is the responsibility of Construction Manager/Site Manager that construction activities are executed according to the relevant project specification in compliance with quality, schedule & safety requirements - EHS Manager will ensure coordination with Site Engineer that all measures/construction taken shall be maintained till completion of job - The QC Inspector will ensure that the works are executed according to the requirements of dossier are fulfilled MATERIAL - According to approved MAS (or reviewed) by Owner for each finish item work - All Material shall be of commercial quality and of proper, free from defects impairing strength and/or durability Page |3 METHOD STATEMENT FOR GENERAL FINISHING WORK comply with approved material by Owner - Materials shall be comply with Technical Specification to ensure required Quality (If any case Material shall/or follow manufacture recommend contractor will submit for Owners approval) - Sampling sequence: depend on each type of material and each building PROCEDURE AND SEQUENCE 6.1 CONCRETE BLOCK WORK 6.1.1 CONSTRUCTION OF BLOCK MASONRY - Please supplement: - How much the thickness of mortar layer is - Allowable tolerance for surface checking after brick laying? - Wire net shall be installed at the contiguous area of block and column or girder and how width it is Before installation hollow block all walls will be survey and marking location at construction approved drawing by surveyor and checking by supervisor by daily All walls shall be built true to dimensions, plumb and square (in accordance to approved Drawing) - The hollow block will be fill by cement mortar at the location that mentioned on mix design - Surface shall be cleaned before installation - From the established site datum level, periodically check course levels, window or sill levels, lintel level and roof level - All accessories for block works shall be installed as per standard drawing - Erect walls to comply with specified construction tolerances, with course accurately spaced and coordinated with other construction(in accordance to approved Drawing) - Scaffolding shall be properly planned and designed by the subcontractor It shall be approved by Engineer before commencement of work Sufficiently strong so as to withstand all loads likely to come upon it and having two sets of vertical supports, shall be provided 6.1.2 MORTAR FOR BLOCK WORK - Mixing of Mortar shall be in measured with proper method and checked before mixing - The blocks should be laid on full mortar bedding and in such a way that no cracks are formed [Concrete Hollow Block Mortar Bedding Concept] 6.1.3 REINFORCEMENT INSTALLATION - Place reinforcement in accordance with the size, type and location as per approved Standard Drawing - The contact places of masonry with concrete structures shall be reinforced with proper mesh to prevent the cracks and the mesh will be overlaped 100mm before plastering - Filler board and sealant shall be applied on joint between structure and block wall as per standard drawing Page |4 METHOD STATEMENT FOR GENERAL FINISHING WORK Accessories as per approved Standard Drawing 6.1.4 REINFORCED CONCRETE SUPPORT Page |5 METHOD STATEMENT FOR GENERAL FINISHING WORK 6.2 PLASTERING WORK 6.2.1 WORKMAN SHIP 6.2.2 Surface Preparation and Installation of Plaster Accessories - Surfaces to receive cement plaster shall be cleaned of all projections, dust loose particles, grease and other foreign matter Plaster shall not be applied directly to - Concrete or masonry surfaces that have been coated with bituminous compound, Surfaces that have been painted or previously plastered - Before the plaster work is started, masonry surfaces shall be wetted thoroughly with fog spray of clean water to produce a uniformly moist condition Accessories shall be checked carefully for alignment before work is started - All Accessories shall be prepared and installed in accordance to approved Standard Drawings - All undercoats shall be scratched to form an adequate key for the next coat - Level Guides shall be provided up to required thickness as per approved Drawings - Plastering shall proceed only when the masonry block works are completed 6.2.3 Application of Plaster - Cement plaster shall be applied in accordance to Specification the thickness as per approved drawing, mortars will be used to make landmarks with adequate size square and thickness as per requirement - For external plaster, the plastering operations shall be started from the floor and carried downwards Page |6 METHOD STATEMENT FOR GENERAL FINISHING WORK [Concept for External Plastering] - The internal plaster, the plastering may be started wherever the building frame, roofing and brick work are ready - The rough plaster shall be started from top to bottom It’s no needed smoothing surface but the tight press up tile and allowed to dry sufficiently not rapidly - Curing shall be spraying with water as often as necessary to keep the plasterwork damp - Plaster work shall be level finished, plumbed, square and true within specified tolerance without waves, cracks, blister pits, crazings, discolorations, projects or other imperfections Plaster work shall be formed carefully around angles contours, and well up to screeds Special care shall be taken to prevent sagging and consequent dropping of applications There shall be no visible junction marks in the finish coat where one day's work adjoint another - Several types of requirements for plastering work: + Normal condition: Cement plaster shall be applied in two coats 1) Brown Coat - Shall be applied with sufficient pressure to fill the grooves in hollow block or concrete to prevent air pockets and secure a good bond Brown coat shall be lightly scratched 2) Finish Coat - Just before the application of the finish coat, brown coat shall again be evenly moistened with fog spray Finish coat shall be floated first to a true and even surface then troweled in a manner that will force the sand particles down into the plaster Plastered surfaces shall be smooth and free from rough area, trowel marks, cracks and blemishes + Wet condition: Cement plaster with liquid waterproofing Page |7 METHOD STATEMENT FOR GENERAL FINISHING WORK + Chemical resistant finishing: Cement plaster with chemical resistant 6.2.3.1 Smooth finished cement plaster Finishing for Plaster Surface The proportions of sand and cement shall be as specified and shall cover all irregularities, undulations, depressions due to chasing etc in the surface to be plastered Straight edges shall be freely used to ensure a perfectly even surface The finished surface shall be true and even and present uniform texture throughout and all joining marks shall be eliminated All corners, edges and angles shall be made perfectly to line, plane and plumb All exposed angles and junctions of walls, doors, windows, beams, slabs etc shall be carefully finished so as to furnish a neat and even surface Plastering items amongst all other things as described in various items also include - Curing cement plaster by maintaining in a moist condition for one day following application Keep enclosed and fog spray (after initial set) as required to prevent dry-out Preparation of surfaces to receive the plaster, providing cement plaster of the specified average thickness and proportions - All labor, materials, scaffolding, use of tools and equipment to complete the plastering work as per specifications - Curing as per Specification and requirement - Cleaning the surface of doors, windows, floors or any other surfaces where plastering might have splashed - Finishing the portion of plaster left above the terrazzo, plain cement tiles, iron or any type of skirting work to be finished rounded or as directed by the Engineer separate operation after laying of floor tiles skirting Page |8 METHOD STATEMENT FOR GENERAL FINISHING WORK 6.2.3.2 Plaster Accessories - Strip metal lath centered over junctions of dissimilar backing materials and casing beads terminations of plaster finish shall be installed - Corner and horizontal beads shall be level, vertical beads, plumb, straight and true, assuming proper plaster thickness - Plaster Stop shall be used where called for or as required to stop plaster surface against a dissimilar to form a neat and definite joint - At all control joint locations install back to back square nosed casing beads 6.2.3.3 Cutting, Patching & Repairing - Cut out & repair all damaged plaster and all fine cracks, pits, checks waves, blisters and other defects which in the opinion of the Owner will impair the appearance and the life and usefulness of the finish surfaces - All repairs shall be used approved material 6.2.3.4 Housekeeping / Cleaning - Site will be kept clean and tidy during the works and all the debris / waste material will be cleaned and carted away to approved dumping area 6.3 TILING WORK 6.3.1 Surface preparation - Substrate shall be prepared as described hereunder irrespective of the tiling system used - Manufacturer Technical Data shall be followed - The substrate must be structurally sound, cement laitance free, clean and free from dirt, oil grease or other containments and loose or friable particles - Weak concrete and/or cement laitance must be removed preferably by brush and/or vacuum - Any large repair to the substrate, filling of blowholes / voids etc, must be carried out using appropriate product as described under approved concrete repair procedure; and the substrate shall be saturated thoroughly with water (not applicable for PVC tiles), to achieve a surface saturated dry condition prior to application - Variation in level must be in accordance to approved Inspection and Test Plan - Levelling and Slope shall be provided in accordance to approved Drawing and location of any drain to prevent ponding after construction 6.3.2 Tile Installation [Cutting and Openings around M&E outlets] - Cutting Procedure Page |9 METHOD STATEMENT FOR GENERAL FINISHING WORK Treatment around M&E Outlets [Wall Tile Installation] - Installation of wall tiles shall start from bottom and progress upwards in true line, plane and vertically - Once the adhesive has been applied evenly on prepared surface, soaked tile (not applicable for PVC tiles) shall be pressed firmly into adhesive mortar by assuring uniform bonding and any adjustments shall be done within the time specified in technical data for each type of adhesive - Even joints shall be provided with the help of plastic spacers and no defective tiles shall be used - Proper bonding shall be assured by using right tools for application and combining the cement material on the plastered walls - The joints will be cleaned immediately after installation prior to setting of material and tiles shall be kept clean all the times, any stains will be cleaned prior to set or dry - Control Joints, Expansion Joints, Column wall and Beam wall joints shall be provided as per the construction drawings [Floor Tile(Stone) Installation] - Full bonding is requested and any tile with hollow-sounding shall be replaced This is the critical condition for inspection Please state it out The area where tile work to be done shall be barricaded with warning tapes to avoid foot traffic and other trades activities in that area - Defective tiles(Stones) shall be segregated and not be used in permanent work except as selected cut pieces where required - Tiles(Stones) shall be laid in true plane in the given elevation by skilled tile fixers within the allowable tolerances as per approved Inspection and Test Plan Page |10 METHOD STATEMENT FOR GENERAL FINISHING WORK + All required accessories, including friction stays, handles, locking devices, fixing, etc should be delivered together with the main components Materials could be packed in either steel pallets or skids Upon delivery on site, the materials should be checked for damages during transportation and that the delivered materials are in compliance with the specifications + Any damaged or incorrect materials should be returned to the factory - Storage: + Delivery of materials should be carefully planned according to the installation schedule so that only the required quantity of materials is stored on site, where the possibility of damages is higher Just-in-time (JIT) inventory management system is effective in minimizing unnecessary handling, storage and damages to the materials Proper site storage is important in preventing damages to the window components + Suitable storage location should be Sheltered from weathering and fallen objects and Located for ease of material handling and distribution Components should be placed on timber bases to avoid direct contact with the floor + Glass panels should be stored in pallets with individual glass panel separated from one another by protective sheets to avoid scratches and other damages The glass panels should also be protected from exposure to water which may result in “rainbow” effect and jeopardize the visual properties of the glass + In addition, the various components should be arranged according to the installation sequence to facilitate ease of retrieval, i.e to minimize searching and unnecessary shifting of material which may lead to damages - Handling: Large window units and components which cannot be delivered via staircases should be hoisted (or other suitable Equipment) in pallets to each floor before distributing to the different areas for installation In cases where window frames need to be hoisted without the pallet, the frame should be handled only at the designed strong points 6.8.5 - Preparation Proper dimensional control and setting out of the wall opening are critical in ensuring the quality of window installation Precast facades provide superior dimensional control than the cast in-situ RC walls and brick walls and require less preparatory works - The use of cement grout to fill up large gaps should be avoided as this may lead to cracks in the grout which would lead to water seepage through the building envelope 6.8.6 - Marking Reference line (R.L) should be set up at appropriate location to facilitate proper alignment of the wall openings and installation of the window frames 6.8.7 - Opening size Close dimensional control on wall opening should be exercised to ensure the gap between the wall and window frame is within the range of 7-25mm wide 6.8.8 - Installation All parts of the work shall be of the materials, design and dimensions herein specified Unless otherwise specifically directed, however, assembly and installation shall be at the discretion of the fabricator Page |18 METHOD STATEMENT FOR GENERAL FINISHING WORK SKETCH FRAME ANCHOR LOCATION - Window frame installation: + Check the window measurements: Start by making sure that your aluminium window is going to fit into the hole in the wall Double check the height and length of your window and the height and length of the opening in the wall to make sure the fit will be right + Lift the aluminium window into place: Depending on the size of your aluminium window, you’ll need at least two people to help you lift it into place One to help you lift the window and the other to make sure the window doesn’t fall through the other side As you lift window into place, try to make it as level to the inside wall as possible + Check that the window is level: Once your window is in position, make sure you have it level Place your spirit level on the window ledge to see if it’s flat If it needs to be raised, rather than lift the whole window Page |19 METHOD STATEMENT FOR GENERAL FINISHING WORK frame, put a packer under the spirit level until it is flat Then put the packer under the bottom reveal and snap it off + Make sure the window is flush with the wall: Once you’ve got your window level, you need to make sure it’s also flush to the inside wall To this, line up your set square against the wall and either push the window out or get a person outside to push it in, until the wall and window are level + Attach the window frame to the wall: Pre-drill three holes into each side of the reveal at the top, middle and bottom Use your set square to make sure the frame stays flush with the wall Then drill in three screws to attach one side of the reveal to the wall Now you have one side of the window attached, you won’t need help to hold the window in place - Door frame installation: + Drill block wall + Insert anchors into wall + Measure then weld frame bracket into wall + Install door leaf, mortar filling as per standard drawing + Install hardware - All hardware shall be installed in a neat, craftsman like manner following the manufacturer's instructions Fasteners are supplied together with the hardware in place Appropriate and applicable fasteners shall be used for securing hardware to masonry or concrete surfaces Thru- bolts shall be used where specified or where necessary for satisfactory installation - After installation, all finish hardware shall be protected from paints, stains, blemishes and damage - All hardware shall be properly adjusted and checked out in the presence of the Owner to see that the hinges, locks, catches, closers, etc.(in accordance to requirement) operate properly After the hardware is checked, keys shall be tagged, identified and delivered to the Owner as per contract requirement Page |20 METHOD STATEMENT FOR GENERAL FINISHING WORK - Any error in cutting and fitting, or any damage to an adjoining work shall be repaired to the full satisfaction of the Owner - All work shall be installed plumb and true and secured with proper fastenings so as to make all work rigid and firm - After installation, all finishing hardware shall operate and function smoothly and efficiently in strict accord with their respective expected operating performance All works which are to receive hardware shall be inspected and any defect must first be rectified before installing finishing hardware - After has been properly fitted, all exposed items such as knobs, plates, pulls, locks, etc Shall be removed until final coat of finish has been applied, and then hardware installed 6.8.9 - Glazing and sealing For better quality, glazing work should, as far as possible, be carried out by skilled installers in the factory The gasket used should be of a continuous length, with splices made at appropriate locations for good fitting around the corners of the glass panel When assembling frames, ensure that gasket fits properly to the glazing and the frames are properly aligned - The gaps between the window frame and wall must be properly sealed to prevent water seepage at these locations Depending on the size of the gap, waterproof sealant can be used + All exterior aluminium-to-aluminium field joints shall be sealed with one part sealing compound + All exterior/interior aluminum to concrete/masonry joints shall be caulked with two parts sealing compound + Glazing compound shall be oil-based glazing compound (or any other approved by Owner), performed as sealing materials 6.8.10 - Application of sealant All uses of sealing materials, both in the shop and at the site, shall be in strict accordance with the specific recommendation supplied by the manufacturer of the material - Sealant could be used to seal the gap between wall and window frame if the gap size is between 3-12.7mm Before the application of sealant, clean the window frame with white spirit using clean rag The frame and wall surfaces around the gap should be protected with masking tape to prevent the sealant from staining these surfaces and to obtain a neat sealant joint - Backer rod should be used to achieve better compactness of the applied sealant To obtain complete seal, apply sealant by pushing the bead forward into the joint cavity The joint should have continuous caulking to ensure that all areas are filled Remove the excess sealant and tool the joint to achieve a smooth surface + Masking Tape - Areas adjacent to joint shall be masked to assure neat sealant lines Do not allow masking tape to attach clean surface to which the silicone sealant is to adhere + Tooling shall be completed in one (1) continuous stroke immediately after sealant application and before a skin forms Masking shall be removed immediately after tooling + Sealant shall be applied in a continuous operation A positive pressure adequate to properly fill and seal the joint width shall be employed Tool or strike the building sealant with light pressure to spread the material against the back-up material Page |21 METHOD STATEMENT FOR GENERAL FINISHING WORK + A tool with a concave profile is recommended to keep the building sealant with the joint Excess sealant shall be cleaned from non-porous surfaces, before curing, using a commercial solvent(if required in accordance to manufacture recommend) On porous surfaces, excess sealant shall be allowed to cure and then be removed by abrasion or other mechanical means The sealant shall not be disturbed for at least 48 hours 6.8.11 - Installation of window glazing Material shall be applied in accordance to approved MAS from Owner For all windows, doors, transoms shall be of the best quality of its respective kinds and free from internal or surface defects Thickness of glass shall be approved by the Owner - It is recommended that glazing work for inner glass panels are carried out in the factory, where higher work quality can be achieved Where this is not possible, glazing work must be carried out on site with proper handling and good workmanship For fixed glass panels, glazing is usually done on site - This section will discuss the good practices to be adopted when carrying out glazing works on site - Preparatory works before glazing - The protective tapes should only be removed when glazing works is to be carried out The following verification works should be carried out prior to glazing work: + Inner frame and associated hardware should be checked for defects and damaged frames or hardware should be replaced Inner frame should be cleaned and free from dust and debris + The glass shall be prevented from all contact with metal or any hard or sharp metals by using resilient shims placed at quarter points + Resilient sealants shall be used(or any Material approved by Contractor) + Glass shall be installed only in openings that are rigid, plumb and square + Allow sufficient clearance at edges of glass to compensate for some settlement of the building Clearance shall be 6.0 mm from edge to frame and 3.0 mm for face + Marking, banners, posters and other decal shall not be applied directly to glass surface as these could cause thermal stress + Removal of putty or glazing compound smears from glass shall be performed by the contractor to the complete satisfaction of the Owner 6.8.12 - Installation of shutter door As per the manufacturer’s standard and installation manual Page |22 METHOD STATEMENT FOR GENERAL FINISHING WORK Page |23 METHOD STATEMENT FOR GENERAL FINISHING WORK Page |24 METHOD STATEMENT FOR GENERAL FINISHING WORK - After finished installation, the roller shutter door was test operation to be smooth and functioning QUALITY CONTROL - The Site Inspection and Test Plan (ITP) for this work summarize various characteristics to be checked The concerned Site Engineer/Foreman will be responsible to ensure stage wise compliance for these operations and the Site QA/QC Engineer/Inspector will carry-out quality control checks and report the inspection results ENVIRONMENT, HEALTH AND SAFETY (EHS) 8.1 RESPONSIBILITIES AND INSTRUCTIONS - PM/EHSS Officer shall ensure that all work is undertaken in accordance with the specified work scope - Safety training should be conducted to all personnel assigned at site prior to commence any work - All personnel should know the locations of fire extinguishers, communications, manual alarms & - ESD points - All personnel should be aware of assembly points, escape routes, emergency contact numbers - Personal Protective Equipment (PPE) shall be worn at all times - Good housekeeping shall be observed in work areas - Construction wastes shall be segregated and disposed to an approved dump yard area - Adequate lighting equipment when working night time - Ensure all workers and equipments working overtime are properly accounted and obtained permit/approval from Doosan EHS Manager prior to carry-on works - Periodic refresher trainings, tool box talk and audit shall be conducted Page |25 METHOD STATEMENT FOR GENERAL FINISHING WORK 8.2 SAFETY (PPE) - Personal Protective Equipment (PPE) will be issued to all workers such as safety shoes, hard hat, working gloves, earplug, safety goggles, reflective vest and safety harness for workers who will be assigned - Wearing of the basic PPE will be enforced fully - All new recruits will undergo proper orientation and safety induction before they could deployed at site for work 8.3 ENVIRONMENTAL - The work will be carried with full protection to environment - Working area shall be clean, not slippery and free from any debris Page |26 METHOD STATEMENT FOR GENERAL FINISHING WORK 8.4 JOB SAFETY ANALYSIS JOB SAFETY ENVIRONMENT ANALYSIS (JSEA) There is only JSEA in this document, PHÂN TÍCH MƠI TRƯỜNG AN TỒN CƠNG VIỆC there is no risk assessment, how come Project: VAN PHONG BOT THERMAL POWER PLANT the JSEA is prepared dự án: Doosan risk assessment procedure said Subcontractor: that a risk assessment which cover all Nhà thầu phụ: the task mentioned in this method Job Location: statement shall be prepared based on Vị trí làm việc: sequence of construction work and the Job Details: Pouring concrete JSA is only prepared for the residual Chi tiết công việc: Đổ bê tông risk higher than It seem no Doosan HSSE team's review Permit Required: YES NO OTHERS: on this document Đúng Yêu cầu giấy phép: Không Date: Ngày: JSEA No: Số JSEA: No of workers: Số lượng công nhân: Work Duration / Thời gian làm việc: From / Từ: To / Dến: Khác: Excavation / Đào đất Confined Space / Không gian hạn chế Road Closure / Đường đóng cửa Diving Work / Cơng việc lặn Night Work / Holiday Work Làm việc ban đêm/Làm việc kỳ nghỉ Electrical Work / LOTO Công việc điện / LOTO Grating Removal Work Công việc loại bỏ lưới Radiography Works Cơng việc chụp ảnh phóng xạ Hot Work / Cơng việc nóng Crane Operating / Vận hành cẩu PPE Required: Yêu cầu PPE: Head Cái đầu NAME Ear Tai Eye Con măt Pulmonary Phổi Face Mặt POSITION Work Over Water / Làm việc nước Foot Chân COMPANY Leg Chân Whole Body Cả người SIGNATURE Others / Khác: Others: khác DATE (Subcon Manager) (Subcon EHS) (Subcon Supervisor) (DHI Construction) (DHI EHS) Page |27 METHOD STATEMENT FOR GENERAL FINISHING WORK JOB SAFETY ENVIRONMENT ANALYSIS (JSEA) ATTENDANCE LIST PHÂN TÍCH MƠI TRƯỜNG AN TỒN CƠNG VIỆC (JSEA) DANH SÁCH THAM DỰ NAME / TÊN COMPANY / CÔNG TY SIGNATURE / CHỮ KÝ DATE / NGÀY 10 11 12 13 14 15 16 Page |28 METHOD STATEMENT FOR GENERAL FINISHING WORK STEP NO SỐ BƯỚC JOB STEP / BƯỚC CÔNG VIỆC HAZARD NGUY HIỂM CONTROL MEASURES CÁC BIỆN PHÁP KIỂM SOÁT ACTION BY DIỄN BỞI Impact, Clamp - Concrete trucks run into workers when moving or backing up - Workers get involved in collisions without working safety equipment, such as safety helmets - Machinery and equipment bump into workers due to no access restriction measures - When backing vehicles carrying fresh concrete, it is necessary to arrange supervisors and restrict workers to approach equipment - Workers must use labor protection equipment when working - Install fences to restrict access to construction areas Safety staff Site Engineer Falling object - The lever of the excavator truck falls down while pumping concrete - Need a concrete pump truck falling while checking hydraulic unit - When a concrete pump truck enters the construction site, it is necessary to check the pump rod and documents relate to equipment - Take safety measures to avoid the need to fall down while repairing the hydraulic unit of a concrete pump truck Safety staff Site Engineer Falldown - Workers fell while under construction on trucks carrying concrete without safety belts - Safety hardness must be used when working above concrete trucks Safety staff Site Engineer Electric shock - Electric shock while mounted concrete pump trucks due to hit high-voltage power lines - When installing concrete pump truck, it is required to install high-voltage transmission line isolation grid, arrange supervisors and keep a safe distance from electric line Safety staff Site Engineer Put into place concrete processing Page |29 METHOD STATEMENT FOR GENERAL FINISHING WORK Pouring concrete Concrete maintanance Impact, Clamp - Touch the motor of the concrete finishing machine - Install the cover for the motor of the finishing machine Safety staff Site Engineer Falldown - Worker falls because there is no safety barricades at the edge of floor, gap around concrete pumping area - Install safety barricades around the edge of floor and cover holes Safety staff Site Engineer Concrete splashes - An accident occurred due to the expansion of the connection between a hose and a concrete pipe - Make sure to connecting hose and concrete pipes Safety staff Site Engineer Electric shock - Electric shock due to failure of anti-leakage device in vibrator - Earthing-fix and anti-leakage device to the vibrator Safety staff Site Engineer Others - Workers with skin disease not use boots, gloves and helmets - Provide enough labor protection equipment such as boots, gloves and helmets etc… Safety staff Site Engineer Falldown - The worker falls because not install the safety barricades at the edge of the floor, covers the holes around the concrete maintanance place - Install safety barricades on the edge of floor, cover the holes where concrete maitanance Safety staff Site Engineer Electric shock - Worker was electric shock due to the lack of grounding wire, electric leakage protection device at the fan - Electrical equipment, such as fans, must be grounded and protected to avoid electrical leakage Safety staff Site Engineer Other - Worker suffocates when entering concrete maintenance place without labor protection equipment such as oxygen mask - Asphyxiation caused by toxic gases when using ladders - Equip oxygen mask when entering concrete curing place - Measure CO2 concentration and gas concentration before entering concrete maitanance place Safety staff Site Engineer Page |30 METHOD STATEMENT FOR GENERAL FINISHING WORK Prepare the workforce for the task - HSE Induction and confined space training not completed Workers not familiar with the scope of works or workplace hazards Inadequate skill specific training for the employees involved in the task - - Pre-start Checks to be carried out on all equipments and materials prior to start any work - Defective / Faulty machinery; materials, tools and equipment - - - Use of Compressor - Damaged / Defective Equipment Sudden release or whipping of hoses Noise Eye injury Dust inhalation Slip and Trip - All personnel must have completed the FADHILI EHS Safety Induction and confined space training prior to commencing work JSA to be read & signed by all workers Scope of work to be discussed with the employee and the hazards of each task Install fences to restrict access to construction areas Register of Trainings and Workshop to be kept and maintained by project HSE Safety staff Site Engineer Ensure all required Pre-start checklist are carried out prior to start any work (generator, welding machines,etc.) Defects to be documented in the daily log and reported to the supervisor Employees to inspect all gear prior to use to ensure integrity All guard and safety features are to be operable, Ensure that the guard and handle are secure Safety staff Site Engineer Workers are to check the condition of the equipment for defects prior to use: hose, fuel indicator, and inspection tag Ensure airline hose connections are secured with whip check or safety cable whips Ensure nobody is near the hose connection and barricade the compressor Wear hearing protection (ear plug) to reduce noise level Use safety glasses with side shield or safety goggles Keep others away from activity Ensure workers are wearing respiratory protection, dust mask Ensure after work, all hoses are rolled or kept properly Wear a respirator and other PPE as recommended on the MSDS Safety staff Site Engineer Page |31 METHOD STATEMENT FOR GENERAL FINISHING WORK Wear a respirator and other PPE as recommended on the MSDS - Wear long-sleeved, loose fitting clothing that covers all exposed skin - Wash exposed areas thoroughly with soap and water after handling (Refer to MSDS) - Do not wash skin or hands with paint thinner or lacquer thinner, use hand cleaner - Use Appropriate PPE (Painting Gloves) Wash work clothes separately from other clothing; rinse washer after thoroughly after use - 10.3.2 Use Appropriate PPE (Apron) - Wear goggles that seal eyes from paint (Safety Glass) - Properly store paints, not mix with other combustible materials - Properly dispose of dirty rags into hazardous waste Safety staff Site Engineer All tools & equipment is to be returned to the appropriate storage area Housekeeping to be done by all workers before, during and after work To be monitored by their corresponding supervisor Waste accumulated to be segregated and be disposed properly (wood, steel, general waste and hazardous waste) Loose clothing, exposed jewelry, and uncontained long hair are not permitted to work under pre-ops area Safety staff Site Engineer - Touch-up Painting - Inhalation of paint, lung damage Skin Irritation Contamination of clothing Eye Irritation Fire - Clean Up - Poor Housekeeping / Slips & Trips - - Page |32