Thuyết minh biện pháp thi công nhà xưởng bằng tiếng anh

Thuyết minh biện pháp thi công nhà xưởng tiếng anh BY ADMIN · MARCH 25, 2016 TECHNIQUE EXECUTION METHODS AND CONSTRUTION WORK PROGRESS Project: NienHsingGarment Location: Thaibinh province INDEX Content Page Part A: Technique and progress content Execution method explanation A.I.1 Introduction A.I.2 Preparation work A.I.3 Arrange plan A.I.4 Execution method A.I A.I.4.1 Foundation execution method A.I.4.2 Concrete execution method for body part Execution of wall, concrete, steel, pit floor Reinforcement assembling Contruction 17 Completion methods for finishing work 19 Plaster 19 Pressing and plastering work 19 Painting work 20 Glazing execution 21 Door installation 21 Electricity, thunder proctection 22 Drainage and supply water system 23 Damp-roof work 23 A.II Construction execution progress and construction progress guarantee 24 A.III Guarantee method of construction quality 25 A.III.1 General explanation 25 A.III.2 The explanation about material and machine supply Contractor will appply works standard guarantee quality 25 A.I.4.3 acccording to design Main materials 25 Equipments 25 Human resource arrangment 26 Technical supervisors 26 Technical engineers and workers in work 26 Workers 26 A.III.4 Equipments for execution 26 A.III.5 Execution arrangment 27 A.III.6 Acceptance 27 A.III.7 Material supply 27 A.III.8 List of main materials used in construction 28 A.III.9 Technical method to guarantee work quality 29 Reinforcement 29 Concrete execution 29 Formwork excution 30 Construction 30 A.III.3 A.III.10 Apply progressive science and techonology in construction A.III.11 List of main machine and equipment in construction execution 30 31 A.IV Maintenace commiment 32 Part B: Fire fighting method, safety-insurance bid environental hygiene safely for surrounding work 33 Fire fighting method, safety-insurance bid environental hygiene safely for surrounding work 33 B.I.1 General explanation 33 B.I.2 Safety –insurance for worker, risk of contractor 33 B.I.3 Material safety, equipment 34 B.I.4 Security 34 B.I.5 Environment sanitation 34 B.I.6 Fire ,earthquake, flood and storm prevention method 34 Safety for surrounding work 35 Part C: Conclusion 35 Part D: Drawing 36 B.I B.II PART A TECHNIQUE AND PROGRESS CONTENT A.I:EXECUTION METHOD EXPLANATION A.I.1: INTRODUCTION Project :NienHsing-Gament Location: Thai Binh -Province Content of bidding package Construction work is built on the area DaiTin Industrial –Thai Binh Province Contruction work includes 20 articles Main factory has size 403×60 m Moreover, It has some articles such as : guard house, birk shed Construction work has great denstity, thus in construction progress, it is necesar to locate plan reasonably A.I.2: PREPARATION WORK Contractor confirms preparation with large decision to quality of construction After searching for drawing contractor sees that this work requires high quality art, these are some preparation of contractor before execution Document After searching for contractor’s drawing which manage quality work, setting up legal document management is through out from company to construction site such as: employee document includes labor contract, labor safety commitment; material equipment management file includes tested material quality results, checking equipment; completion certificate In Contractor office, there a team of skillful engineer who sets up solution method execution progress for each work in details Pursuant to execution progress file, contractor has planed to prepare manpower, materials, and construction equipments Document is proceeded by contractor and finished when starting execution Human Resource Contractor will appoint a vice director who controls execution directly _ Technology department of contractor has an experienced team of staff who regularly follows up quality of construction work _ Manpower: Contractor has been executing many project of Taiwan, China, Korea and Japan, so contractor has a skillful and responsible team in construction work However, contractor still confirm quality of human resource to the success of contractor Hence, staffs are still trained to enhance ability and especially, 100% of workers are must work with good health skills and safety _ Human resource: Contractor arranges human resource depend on work, especially main work like concrete building, plaster will be guaranteed for production line Professional labor team divided into plaster, building, plaster, steel, concrete, electricity, water supply, equipment installation is combined tightly with each other in execution to ensure progress Material, equipment _ Material and supply: Investor must test material before using, quality of main material must be tested Material must be estimated to be suitable for progress and construction plan in each period In this work contractor focuses on concerning about things for high quality and artic construction work _ Equipment: Contractor has plan to use equipment reasonably, depends on work amount and progress, to supply on execution time, right standard Plan Plan preparation affects to execution progress and construction work quality significantly To arrange reasonable plan, contractor will proceed survey and search for plane, confirming plan of execution, set up execution progress in detail for each category to define office location, store, material ground, mixing machine area and entrance during execution time Contractor proceeds preparation such as locating construction, calculating material transport road, transport land, necessary area for mixing concrete ground, small structure, installation, mixing mortar, brick ground and formworks, steel ground and ensure arranged reasonable plan After calculating for necessary, contractor proceed to protect from dust for environment  Main requirement After calculating above floor limiting fallen materials as well as dust After executing floors, Contractor will proceed to spread A.I.3-ARRANGE PLAN Plan must be installed electricity, water supply, control office, tent, depot, other tents are arranged to be convenient for execution Construction concrete is fresh concrete and use concrete pump Requirements when arranging execution plan When arranging the execution plane, contractor will calculate to ensure following factors:        Offices and depots: Ensure enough area, satisfy functions of office Store floor is embanked high and chocked for damp-proof to cement Inflammable materials are put separately and packet in buckets Fire extinguishers in offices and depots Security office: Near the entrance and observable to everywhere in the construction site Fixed telephone, fire extinguishers, security equipments in security office Reinforcement executing ground: Tent floor is built high and have satchels Formwork assembling ground: Contractor uses most of corrugated ion formwork The system to support formwork is log of wood and steel log Contractor is responsible for maintaining formwork Contractor also uses both steel and wooden formwork Thus, processed formwork must be far away from depots Water supply Contractor must contact with investor and local government to have water for execution Water supply system is tight in the ground and far from road Sewage system Contractor installs a temporary sewage system, connect water from many areas and pump water to gas hole Electricity Contractor supplies electricity and private wire to electricity box Moreover, contractor prepares generator to guarantee electricity Using rubber covered cables with phases or cores There is electricity clock to measure electricity numbers There are main power sources:   For equipments and machines For other activities Contractor installs tension pole across roads, wire is larger than or equal m Lighting system Contractor installs headlights around the work, Light system to protect and serve for execution at night Moreover, contractor supplies another dynamo.40KVA ensures lighting of work and serve machines in case of power cut or executing process at night Arrange plan, contractor guarantee the standard of work, environment, security and safety A.I.4 EXECUTION METHOD GENERAL REQUIREMENT Guarantee execution steps as same as design Guarantee safety for people, machines and work Guarantee surrounding environment Avoid making noise Clean transport means when leaving the work Contractor covers the boot of bike when going out the wor   Execution method Base on the drawing, contractor gives the method presented following Survey method Other material Other material using in construction will be guaranteed about quality according to investor  Equipments Contractor will have plans to supply motor bike, detail execution equipment to each period according to the amount of work Contractor guarantees to have the best effect and right process Contractor will add more amount of motor bike in necessary case according to work and process Contractor will contact directly and have necessary permission to transport all type material and machine to construction Contractor supplies the amount of scaffold, formwork in right demand A.III.3 HUMAN RESOUCE ARRANGMENT Technical supervisors Construction engineers, responsible skillful and experienced supervisors includes: +Technical engineers (Machine, Construction equipment) : person + Construction technical engineers (plan, materials) person :1 + Supervisor persons :2 + Construction engineers (Execution) persons :2 Execution methods for each specific work, check working procedure of workers Combine with controllers to check and take over works, set up checking certificate, completion document Checking quality of materials, safety Engineers, technical engineers and workers in work Arranging technical staffs in work who are generic, experienced, and healthy These staffs guide and check work regularly work + Geodesic engineers : 01 person + Electric and water engineers : 02 persons + Construction engineers : 03 persons + Architect : 03 persons Checking and taking over inside between supervisors of company and water construction company After finishing, investor concludes Set up construction work document diary, other certificates Workers Skillful workers have grade of more than 3/7 and are trained about construction field This team took part in many works A.III.4 EQUIPMENT FOR EXECUTION Equipments are equipped for execution of workers; ensure quality, capacity as following: + Mason:   Ruler , hard aluminum ruler Plumb bob Nivo  Square angle ruler  Nylon line  Steel scaffold  Brick and concrete cutting machines + Home decorated carpenters are quipped:  Electric– saw, planer, air compressor, nail gun, rulers, and plumb bob + Steel man is equipped: Cutting machine, curved steel machine, wielding machine Use all general equipments to serve execution effectively and fast like: using excavation machine, car, steel scaffold, formwork in execution and equip light system at night… Equip computers, telephone, fax, mobile phone… + Survey department Arrange staffs, survey engineer with experience Use measurement machines for survey: 02 theodolite machines  02 water box machines  Steel ruler with length of 100m These kinds of machines must be tested and licensed  Survey team must be in construction work Survey team must be in construction work from the beginning to completing work Set up axis center, construction work center, border Serve completion work, measure to complete the work A.III.5 EXECUTION ARRANGEMENT Plan execution progress in detail every week; combine between concrete, raw construction, plaster, ashlar pave Combine execution works to avoid overlapping Prepare space reasonably, avoid making noise and dirty to surrounding works A.III.6 ACCEPTANCE Check and take over according to order, from inside contractor to contractor and technical supervisor At last, transfer work Basis of taking over is: Tested design document  Technical regulations and instructions of producers to maintain materials  Test results, experiment and equipment volume are done during construction process A.III.7.MATERIAL SUPPLY  Choose high -quality material factories and supply sources Quality material test: It is very important to guarantee work quality Materials must be tested before transferring to the work and investor to test quality Main materials must be tested: – Reinforcement – Concrete – Cement – Brick … ( Serve for building, plasting…) A.III.8 LIST OF MAIN MATERIALS USED IN CONSTRUCTION No Main material Manufactured source PC30 cement Hoang Mai, Bim Son, Nghi Son or so on White cement Hai Phong white cement or so on Mixed rete Mixed station Steel types Thai Nguyen steel Thread brick Label A1 type factory>=75 Sand types Vietnam standard fresh sand Macadam types Grinder by machine standard rock Kien Khe-Phu L Paint KOVA paint, Mexilitex or so on Pressing non-slip brick Viglacera brick 10 Plastering ceramic brick Viglacera, Long Hau, Hong Ha brick 11 Door types Depend on design type 12 Material and equipment electricity According to design 13 Material and equipment drainage According to design 14 Casing, formwork Fixative corrugated casing and wooden pressing 15 Scaffold, satchel PAL, Minh Khai scaffold; steel constriction satche Besides, all material will be supplied into construction according to design and investor’s demand A.III.9.TECHNICAL METHOD TO GUARANTEE WORK QUALITY General explanation Contractor is responsible for work execution according to agreement, guarantee work quality according to technical drawings, procedure and execution, construction standard, construction quality Contractor guarantees high quality to any articles concerning to work, from space preparation, land survey, dimension precise, material quality and work completion Contractor notices to investor to consider and deal with if there is any problem Contractor deals with by themselves After discussing with investor, contractor prepares and dismounts Contractor notices to investor if there is any problem in design document as well as petition method for contractor to consider and approve Materials are transferred in work like: cement, reinforcement, sand, rock, brick Concrete must are tested Materials for damp- proof must be tested Materials have resources At last, all materials must be allowed by contractor and Supervisor Once more time, contractor confirms each work quality Reinforcement Read, look at design drawing: pivot, beam, floor, stair… Use right type of reinforcement designed in drawings and only using when having certificate Test dimension of reinforcement Execution following to restriction, technical standard processed by Vietnam Reinforcement is processed, installed according to drawings Workers have grade and experience Provide equipments fully for reinforcement Reinforcement in concrete must be tested and accepted by engineer supervisor Forbid cutting concrete by Acetylene Concrete execution Concrete execution plays an important role in deciding tonnage burden of work Check landslide degree in concrete pour place and note in document (responsibility of contractor) Cast concrete sample in concrete place (sample volume according to restrictions) Press concrete sample done in laboratory (Age result days and 28 days) Form of cement, sand, rock and concrete samples are noted full Concrete pour and concrete beam are done according to restrictions of supervisors, investors and contractors Concrete meets to standard in Vietnam Concrete maintenance is done after 24h from pouring time, then, maintain within days continuously  Use pump to water Use equipments to cover direct light  Distribute people to maintain everyday Largest height for concrete is 1.5m Using pipe to pour concrete when structure is greater than 30cm  Thickness of structure is larger than 60 cm, pour, and beam into each layer of 30 cm thick Forbid using additive having Canxi Formwork combination Untie reinforcement, steel columns with steel beam and wooden satchel with dimension of more than 10*12 cm Formwork used with thickness of more than cm Thickness of corrugated ion formwork is 1.5 to cm Adjust partition formwork by method: Soft line with tender Use theololite to check straight degree of formwork system before pouring or using plumb bob to adjust Use water box machine to check beam formwork system Clean before pouring concrete Use bolt and clip instead of nail Construction Use survey to place the position to build wall on the space Bricks have right types, grade Water bricks before construction from 20 to 30 minutes Mix mortar by machine according to grade Mixed materials are calculated carefully Use nylon line to create square angles Circuit meets to requirement Full mortar between bricks A.III.10 APPLYING PROGRESSIVE SCIENCE AND TECHNOLOGY IN CONSTRUCTION Contractor applies progressive science and technology to execute construction in order to guarantee process and quality Contractor uses execution machine at maximum level to improve work quality and reduce process time – Contractor uses fixative steel type with materials such as: scaffold, satchel, casing to improve work quality and reduce process time – Contractor uses elevator system to transport material to high position This system is tidy and have high feature – Contractor uses experienced engineer and employee to execute this construction – Contractor supplies adequate amount of fixative formwork, scaffold of all floors on time to guarantee process of construction – Supply adequate material on time according to design – Set up and control process of each detail work – Contractor will equip communication and electricity system in order to guarantee about regular contact A.III.11 LIST OF MAIN MACHINE AND EQUIPMENT IN CONSTRUCTION EXECUTION No Machine, equipment name Quantity Parameter Made in I Main execution equipment KOBELCO tire digger 01 Vg=0.8 m3 Japan IFA, KAMAZ lorry 07 5-12 ton German, R Sperm compressor 02 20 Cv China Concrete mixing machine 02 2.8 Kw; 250l China Mortar mixing concrete 03 150l China Concrete pumping car 01 80m3/h German 10 Concrete rammer- drilling rammer 05 1.1 KW China 11 Concrete rammer- floor rammer 03 1.5 KW China 12 Iron cutting machine 02 1998 China 13 Iron curving machine 02 1998 China 14 Wielding machine 02 24 KVA Vietnam 15 Electric generator 01 40 KVA Japan 16 Concrete driller 02 2.5 KW German 17 Theodolite 02 Japan 02 Japan 18 19 Pump 03 15-30 m3/h Korea, Itali 20 MISAKA rammer 02 60-80 Kg Japan 21 Handle machine 20 Japan, Kore China, Viet 22 Minh Khai finish machine 1200 single unit Vietnam 23 PAL combination scaffold 600 single unit Vietnam 24 D68 steel satchel 300 Vietnam 25 Casing types 5000m2 26 Safe net, sign 02 unit Vietnam II Experiment check equipment 02 unit Vietnam Plywood, metal Vietnam Shape casting concrete 06 unit Vietnam Pressing experiment concrete machine 01 Spain Pouring concrete spout 01 Switzerland Experiment steel machine 01 China All machines are proved to guarantee process Contractor commits to supply adequate all machines and equipment for execution and have more machines if necessary A.IV MAINTENANCE COMMITMENT Contractor is always concerning about quality, technology, and progress of the project This is the important factor to decide success and development of company In project:” Golf club house –Chuong My District- Ha Tay Province” We commit to warrantee construction work within 12 months from hand–over date In maintenance time, we allow staffs to help you to solve problems Part B FIRE FIGHTING METHOD SAFETY-INSURANCE –ENVIRONMENTAL HYGIENNE SAFETY FOR SURROUNDING WORK B.I FIRE FIGHTING METHOD-SAFETY-INSURANCE – ENVIRONMENTAL HYGIENNE SAFETY FOR SURROUNDING WORK B.I.1.GENERAL EXPLANATION Fire fighting method, Safety- Insurance –Environmental hygiene, Safety for surrounding works is the leading objective of contractor in execution To guarantee requirement of investor, contractor will execute these steps: B.I.2 SAFETY-INSURANCE FOR WORKER, RISK OF CONTRACTOR * Separate work site with surrounding site by fence B40.Entrance have lock People that are not concerning about the work are not allowed to go into * There is signpost in construction site * There regulation table to note working hour * There is safety network from company to construction team * Workers are trained regulations, safety methods and equipped safety equipments * There are safety equipments when connecting or combining * From the date of starting work to maintenance, contractor buys insurance for workers, materials, equipments, risk insurance for contractor * In stairwell, lobby, floor, ceiling…there are temporary handrail system to cover and signpost * Stretch guard-net B40 when executing secondary floor Its width is 3m and carried by U400 column We always have enough equipment to cover * Check strict and conduct to take over * Prohibit smoking, drinking while working * Workers have heath certificates * B40 guard- net is stretched to prevent pollution, dust… * Under ground electricity systems * Equipments are checked in periodically * Check and supervise workers regularly * There are medical staffs in work B.I.3 SAFETY FOR EQUIPMENTS AND MATERIALS – Control materials Avoid putting materials on the transport road – Cover and protect materials and equipments carefully – Check machines and safety systems before using – Arrange fire fighting equipments like water, fire-extinguisher, CO2 in inflammable places – Check all equipments before using B.I.4 SECURITY – Workers must sign labor contract before executing in construction work They must have clear resume and experience in company Avoid employing labors that not have resume – There is entrance – There are entrance card for labors – Avoid breaking the law, company commits to co-ordinate with local security to execute B.I.5 ENVIRONMENTAL SANITATION – All transport means are covered; avoid dust, pollution for surrounding environment — Clean them before leaving the environment – Avoid cutting trees – Limit noise Gather materials while there are little people – Distribute a team to clean – Contractor and investor repair damage in case of flood, earthquake B.I.6.Fire, earthquake, flood and storm preventing method   All of employees working in construction must be trained to have enough knowledge about preventing fire All employees have the same action against fire Safeguard is also a fireman Have sign about forbidding fire At construction, beside water container, it must have pump, rubber pipe 50, stair and other tools Arrange CO2 pot, sand bucket, water container in dangerous position Electricity transport wire has enough capacity and right uses Don’t use additional charge  Need a periodic check and have comments timely  Set up and train preventing team Register address to nearest fighting office Set up regulation about fire preventing  Check regularly fighting fire tools such as: bamboo ladder, pump, bucket…  Set up temporary thunder protection system when construction is executed B.II SAFETY FOR SURROUNDING WORK Contractor survey the plan before starting Placing surrounding works, underground works  Base on practical plan, contractor makes sure that execution procedure does not affect to works, activities Contractor contact with investor to solve problems + Contractor hangs guard-net to cover and prevent surrounding works from dust, noise + Clean regularly, reduce noise in execution Part C: CONCLUSION We gave main execution methods for symbolic construction With energy and experience, we believe that if we build construction work: “Golf Club House – Chuong My District- Ha Tay Province, we will meet your demand [...]... height of wooden satchel of girder and floor The thickness of corrugated – iron formwork Contractor arranges the executing formwork team based on the amount of work The system of PAL and Minh Khai scaffold will be put upon the jack system to adjust height The foot jack will be put upon the thick casing to avoid its concentrating force to concrete casing Minh Khai scaffold will be used to plaster and... concrete is 1 cm bigger than one of floor Then, compacting carefully until there is an appearance of concrete layer This the time, contractor stops compacting and conducting to complete the concrete surface To confirm the thickness of floor concrete, contractor uses a stick connected to a bar The thickness of concrete commits to standard when when concrete surface meets the bar Besides checking method, contractor... and column structure bases on casing structure, commit to following requirement: 1 – Guarantee right size and sharp – Guarantee tight to avoid loss of cement This affects to execution progress and work quality significantly Contractor uses Pal and Minh Khai scaffold casing combining with wooden formwork so that work gets high quality and execution process The system is installed to guarantee the high... contractor estimate, design using casing and recycling during work Reinforcement assembling Tie block concrete with the same thickness as protected concrete and grade as one of structure concrete Preliminary acceptance for reinforcement Drill concrete floor to hammer steel to fix wall thickness Formwork assembling in one side only Pour concrete for wall 2 Reinforcement assembling Before install steel for... is not up to 60min after being finished This method is to cut concrete pouring work in order to not be concentrated; therefore, concrete will not be separated Moreover, after pouring the later concrete layer, the previous begins Pour the floor concrete, contractor applies myriopod method When pouring each layer, contractor uses stick to cover in order to the thickness of concrete is 1 cm bigger than... Combine one side corrugated iron form work Install steel boxes into 3 lines: Line 1: 20cm from bottom of concrete wall Line 2: 60cm from Line 1 Line 3: 15cm from wall surface Boxes control thickness of concrete wall If thickness of wall always commit to standard, casing will not be deformed After installing and fixing boxes bar, conducting to tie concrete block into other steel wall side Then, clean wall... to wall edges 1-1.5 cm The length of mortar layer leads to length of each brick (in the drawings) Knock on the brick to subside the mortar Put the brick on the subsided mortar layer Thickness of mortar vein is 1.2-1.5 cm Thickness of mortar vein is 1.5 cm Use trowel to dredge two veins of wall to make it deeper 0.5 cm e Construction blocks demands: Contractor ensures all construction block to be built... mortar, contractor waters on walls, make wall surface and mortar adhesive Mortar layer do not elastic Mortar follows to design, thickness depends on structure Create drainage ditches to sink wire column and technical box Mortar surface must be equal and solid Type of mortar and thickness of mortar base on design standard 15-20mm and divide mortar into 2 periods Vertical deviation is 0.5% and horizontal... installation follow steps: – Base on electricity drawings, line electricity map on the wall  – Cut pipe to help install pipes on right position – Contractor puts plated corrugated or zinc pipe with thickness of 15mm Thickness is equal to length of wall or floor Contractor uses cement mortar to keep wall or floor – Guarantee distance between hot pipes and other heat surface is 15cm After installing pipes,... mark on the surface of middle layer concrete Proceeding steel installation when the concrete commit to the hardness Use block for small concrete with the same depth as concrete layer for steel Label of this is equal to one of foundation concrete After reinforcement assembling, installing casing used iron formwork Foundation formwork commit to designed type Foundation casing is kept by steel column which