英文UT755建造方案書

1、building policy (preliminary) for mt6015 multipurpose field supply vessel b. floors pipe, fittings, duct layout requirements beautiful, reasonable, and the need to consider space and wall painting, the distance between the girder with bhd; c. arrangement of smooth duct, outlet layout is reasonable,

2、applicability better; and attention to increase the supply air flow of generator. d. installation of the pre-erection should be considered in funnel design; e. the order matching flange situation should be clearly indicated in the vent assembly plan. f. set the integrity of functional unit control r

3、oom design, production and overall hanger and installation. 5）auxiliary equipment a. piping layout and reasonable and modeling the entire region. b. pipe system tray divided by region and reasonable. 5）the electrical section a、 integrated electrical equipment unit plans to deck out the map layer, th

4、e remaining graph maximum limit maps to a2, a4 size as the main. b、 fixed pieces of electrical equipment and cable installation plan to the main deck level, cable pull required to open up parts of removable panels, should be a clear map of pai board c、 using a full pre-installed before and after the

5、 masts, complete wiring of all equipment installation (except for the radar antenna). d、 main switchboard, central control room sets and other equipment to take the bottom out of principle, all the cables into account. e、 electrical box using the whole foot, standardized design. f、 watertight cable

6、fire through some parts of the mct with removable modules. g、 690v, 400v, emc cable laying independence or separation. h、 fiber optic cable, network communication cable and power cable laid separately. 6）other a. perfect modeling standard library work and correspondence, pay attention to the work of

7、 modeling the database changes. b. pressure, temperature sensors or seat board level telemetry location coordinates in which the region under the work area by boat or plane loaded ok 12.712.7 designdesign focusfocus controlcontrol 1. the design should be improved of whole ship passage. 2. according

8、to the owners comments to change the cabins of accommodation and design optimization. 3. hull structural design to meet the requirements of dnv new specification. page 13 4. shaft strut optimization of the design. 5. engine room layout design. 6. auxiliary equipment layout design in engine room 7. e

9、xcellent design of foundation and outfitting. 8. standardization of first outfitting program. 9. hydraulic system modeling optimization. page 14 1313 constructionconstruction managementmanagement departmentdepartment operatingoperating policiespolicies 13.113.1 constructionconstruction targettarget

10、13.1.1 construction schedule target no.itemtarget 1construction period 2block manufacturing period 3berth period 4dock period 5 lay on keel to hull structure completed 6lay on keel to shaft align 7lunching to ge starting up 8lauching to me starting up 9lauching to sea trial 13.1.2 shipbuilding techn

11、ology target no.itemtarget 1 efficient welding percentage90% 2co2 welding percentage80% 3block pipe preassembling percentage80% 4block outfit preassembling percentage80% 5 conctruction dead weight every year per person 6 annual value of shipbuilding production per person 7 electric power consumption

12、 per 10000￥ value of shipbuilding production 13.1.3 construction working hours target no.itemtarget 1construction working hours in all 2 working hours from construction starting to laying on keel 3 working hours from laying on keel to lauching 4 working hours from lauching to delivery 13.1.4 accurac

13、y shipbuilding target no.itemtarget 1 block no excess fabricating percentage 40%（80%） 2block no excess erection percentage97% 3block erection cutting percentage20% 4working hours of hull blocks lifting260 page 15 13.1.5 plan management taret no.itemtarget 1design program completion percentage99% abo

14、ve 2 material distribution bimonthly plan completion percentage 98% above 3 pipe fabricating program completion percentage 99% above 4 outfit fabricating program completion percentage 98% above 5 sub-cotract bimonthly plan completion percentage 98% above 6 facilities guarantee plan completion percen

15、tage 90% above 7production monthly plan completion95% above 13.213.2 contralcontral targettarget 132.1 preparation process control target typeno.itemtarget 1production design periodno exceed 7.5 months 2 hull structural and nesting drawing finished no exceed 5 months 3 detail design summit for appro

16、val 5 months before starting 4drawing hull structure drawing finished before project starting, and the nesting covers 90% above. the drawing of the hull structure, superstructure outfit and welding outfit to be satisfied the production, all drawing finished as same as the project starting. 5 drawing

17、 error pecentage pipe and pipe outfit 7% below, steel outfit ,structure and electric outfit 5% below 6steel nesting ratio85% above 7e r area model finishedno exceed 3months 8 first vessel pipe and outfit nesting percentage superstructure 95%,cargo hold 95%,engine room 91% 9 percentage of opening in

18、structure(pipe hole and cable hole) 80% 10 pipe and outfit preassembling percentage 80% 11tray input system percentage100% 12 tray parts error percentage 3% below design 13tray design amount100% 1 block manufacturing period20 days 2panel/mid-assembly period20 days 3cutting period per ship30 days fab

19、ricate preparation 4block assembly period in jig10 days page 16 5 superstructure assembly period per deck 25 days per deck 6 block manufacturing amount per day 6.5 blocks every day 7block coating amount per day7 blocks above every day 8 blocks assembly lifting amount 4 blocks above every day 9steel

20、utilization ratio92% 10steel second utilization ratio3% above 11steel fabricate amount8000t above every month 12steel prefabricate amount9400t above every month 13pipe fabricate amount1600 pipes above every month 14 pipes inspection finished percentage 98% above 15outfit fabricate amount2475t per mo

21、nth 16 using of leftover material(8 mm thickness plates) 86% above 17pre-outfiting in workshop100% 18pipe tray finished percentage100% 19 steel outfit tray finished percentage 100% 20 electrical fastener tray finished percentage 100% 21 tray distribution guarantee percentage 100% 1order periodno exc

22、eed 4 months 2 casting steel order period and quality no exceed 4 months 3steel regular size180 below materials and facilities 4 materials and facilities supplyl percentage 98% above 13.313.3 constructionconstruction managementmanagement stepssteps 13.3.1 construction preparation first ，especially f

23、ocus on processes，keep the production design drawings completed on time and materials and facilities supplied on time. 13.3.2 keep in touch among the design department ,production department and management department before the production design, form a intergration in design, production and managem

24、ent, preparation first, process focused, conclusion at last, to improve the design quality. 13.3.3 pay attention to the process of project procedure, design plan ,production drawing plan, detail design drawing submited and approved plan and facilities arrival plan, make sure production drawing , mat

25、erials and facilities arrival on time. 13.3.4 order steel every month as per the request of three months, reduce the stoing period without affecting the production. 13.3.5 insist on focus on between product, perfect block fabricating orderly ,and insist on tray system conducts production ,to improve block integrity. page 17