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12000DWT焊接原则工艺
12000DWT heavy lift carrier Principle welding workmanship JZ419-100-002GY 标记 数量 修改单号 姓名 日期 编 制 标 记 重 量 比 例 校 对 标 检 共 4 页 第 1 页 审 核 批 准 Jiangxi jiangzhou union shipbuilding Co. ltd 描 图 一.general
1、Description
The vessel is designed as a single screw , DO engine driving ,multipurpose container carrier with bulbous bow, raked stem and transom stern.
Engine room aft and superstructure are arranged on fore ship.
The vessel has two cargo hold, No. 2 hold is equipped with tween deck.
For heavy load operations the vessel will be equipped with two heavy lift cranes with a capacity of abt. 400t each. Additionally the vessel will be equipped with one general cargo crane of a capacity of abt. 80t.
Fuel oil tanks will be arranged in cargo area away from side shell, and in engine room, water ballast in double bottom, side tanks as well as in fore and aft peak tanks.
2.Main Dimensions
Length over all: appr. 153.80 m
Length betw. perp. appr. 145.50 m
Breath moulded: appr. 23.20 m
Depth to main deck, mld. appr. 12.80 m
Scantling draught appr. 8.50 m
Design draught appr. 8.20 m
Frame space:
after~FR14: 600mm
FR14~ FR54: 650mm
FR54~FR194: 750mm
FR194~FR212: 600mm
3.hull construction arrangement
The vessel is provided with forecastle and poop deck, main deck as free board deck.
The engine room is located after, wheel house and superstructure at forecastle deck.
The cargo hold is provided with wide opening and non-symmetrical portside and starboard side, width of portside is 9 m and starboard side 10m, total 19 m.
Fore hold is 12.75 m long and after hold is long of 83.75 mm.
二、Main technical requirements
1. The vessel is built according to GL rules, welding of construction and fittings is to be supervised by GL.
2. Standard of welding quality has to comply with requirement and drawings approved by GL.
3.Size of all welding seams of co
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