【正文】 Preheating temperature is to be kept within the limits as defined in table 1115 Table 1115 mm項目Items 允許極限 limits 備注Remarks 預熱溫度1. 高強度鋼2．低碳鋼Preheating temperature 2. High strength steel3. Mild steel空氣溫度≤0℃空氣溫度≤－5℃Air temperature ≤0℃Air temperature≤－5℃按認可的焊接工藝標準進行預熱Preheating according to the approved welding procedure standard. 焊縫尺寸偏差限定按表11。177。177。25（以每10m寬計）（per 10m of breadth）. 13 吃水和干舷 Draft and freeboard marks 吃水和干舷的偏差按表1114。30橫向上翹或下垂Transversely warpingup or saggingdown177。40船體變形Deformation of hull艏艉上翹Warpingup艉上翹Cockingup of stern177。20艏艉上翹Warpingup 艏上翹Cockingup of bow177。35相鄰橫艙壁之間Distance between adjacent transverse bulkhead177。％D—D……設計型深D……designed moulded breadth船體變形Deformation of hull 船體基線繞度Deflection of keel centerline首尾尖艙之間的全長范圍內(nèi)Within whole length between fore and aft peak tanks 177。％L—L……設計兩柱間長L……designed length between perpendiculars型寬Moulded breadth 177。15—定位高度Height of position 177。5—按甲板肋位線為準According to deck frame lines起重柱、雷達架、主桅Deck crane post, radar frame, main mast垂直度（中心線上下重合度）Perpendicularity （centerline superposition upper and lower）177。10177。10177。4177。8177。3—彎曲度Camber177。8肋位重合度Frame superposition177。8垂直度（縱艙壁）Perpendicularity (longitudinal bulkhead)＜% h and ＜10＜% h and＜12h艙壁高度h is the height of bulkhead.船臺合攏時分段定位精度Position accuracy of block at erection on shipway舷側(cè)分段Side subassembly 高度Height 177。6按中心線處的理論線標高Leveled according to theoretic line of centerline 左右水平偏差Levelness deviation right/left177。20艙 壁Bulkhead 艙壁高度（縱、橫）Height of bulkhead (longitudinal, transverse)177。20艉立體分段Aft block 分段末端中心線與船臺中心線的偏差Deviation between centerline of block end and shipway centerline ≤3—指船底末端End of bilge 艉軸孔中心線與船臺中心線的偏差Deviation between aft shaft centerline and shipway centerline ≤5≤8復核尺寸Check dimension 舵桿中心線與船臺中心的偏差Deviation between rudder stock and shipway center ≤10—控制尺寸Control dimension 分段前后端標高偏差Levelness deviation of block both ends≤5≤10指兩端點基線撓度的差值Deviation of baseline deflection from two end points大接頭肋距Frame spacing of great joints177。12指包括分段的扭曲Including twist of block大接頭肋距Frame spacing of great jointsTable 1112(end) mm分類Classify分段裝配Fixing and assembling項目Items 標準范圍Standard 允許極限limits 備 注Remarks 船臺合攏時分段定位精度Position accuracy of block at erection on shipway艏立體分段Bow block 分段中心線與船臺中心線的偏差Deviation between block centerline and shipway centerline ≤23指底部中心線Bottom centerline艏柱中心線與船臺中心線的偏差Deviation between bow post centerline and shipway centerline ≤10指頂部中心線Top centerline 分段末端標高偏差Levelness deviation of block end ≤510指兩端點基線撓度的差值Deviation of baseline deflection from two end points大接頭肋距Frame spacing of great joints177。6其它尺寸Others 同立體分段Compared with block船臺合攏時分段定位精度Position accuracy of block at erection on shipway雙 層 底Double bottom分段兩端中心線與船臺中心線的偏差Deviation between centerline of both side of block and shipway centerline ≤3≤5按船底部基準中心線為準According to bilge reference centerline分段兩端高度偏差Height deviation of both sides of block按標準船臺坡度標尺為準According to standard shipway gradient dimension 分段兩端水平偏差Levelness deviation of both sides of block177。10機座縱桁與中心線的偏差Deviation between M/E foundation girder and centerline177。8高度偏差Deviation of height 177。10 軸殼后端與尖艙艙壁距離bDistance between aft edge of boss and aft peak bulkhead, b分段歪斜cInclination of subassembly, c510舵柱中心線與軸中心線偏差dDeviation of rudder post centerline from shaft centerline, d≤4≤8其它尺寸Other dimensions, same as blocks同立體分段Compared with block主 機 座M/E foundation 基座面板平面度Flatness of face plate of M/E foundation≤5≤10基座面板長度及寬度Length and breadth of face plate of M/E foundation177。10超差者修正Those exceeding limit are to be modified.其它項目同平面分段6項Others, same as in item ——按平面分段偏差標準According to deviation standard of flat block包括艉柱的立體分段Block, including stern frame舵承之間尺寸aDistance between upper and lower carrier, a177。6超差者修正Those exceeding limit are to be modified.兩個水平面結(jié)構(gòu)間高度偏差Height of members at two different levels177。6超差者修正胎架Shipway of those exceeding limit are to be modified.其余項目同平面分段5項Others, same as for those in item ——按平面分段偏差標準According to deviation standard of flat block Table 1112(continued) mm分類Classify 分段裝配Fixing and assembling項目Items 標準范圍Standard 允許極限limits 備 注Remarks 分 段 制 造 尺 寸 精 度Dimension accuracy of block constructionBlock上、下中心線差Centerline of upper and lower Flat block ≤5≤10超差者修正Those exceeding limit are to be modified.Curved block ≤7≤15上、下肋位線差Frame line of upper and lower Flat block ≤5≤10超差者修正Those exceeding limit are to be modified.Curved block ≤7≤15分段扭曲度（指大型剛性立體分段）Twist assembly(For large block assembly)Flat block 1020超差者修正Those exceeding limit are to be modified.Curved block 1525同一水平面結(jié)構(gòu)基準偏差Height of members at same level177。5超差者修正內(nèi)部結(jié)構(gòu)Internal structure of those exceeding limit are to be modified. 胎架四角水平度Levelness of shipway four corners 177。5超差者拆裝Those exceeding limit are to be refixed.雙層底高度偏差Height deviation of double bottom 177。5超差者拆裝Those exceeding limit are to be refixed.上、下平面肋位線偏差Frame line of upper and lower planes 177。4超差者拆裝Those exceeding limit are to be refixed.雙層底分段（包括半立體分段）Double bottom block (including cubic block)上、下平面中心線偏差Centerline of upper and lower planes 177。5超差者拆裝Those exceeding limit are to be refixed.6. 腹板上緣橫傾位置偏差Transverse incline position deviation of upper edge of web plate177。83. 分段正方度Squareness of subassemblyFlat 48指最終劃線的對角線Diagonals of