日本验船师全套培训资料Block-Inspection.pptx

Blocks in E/R double bottomSide shell blockTop side tank blockJoining two blocksScope of block inspectionProper use of materialContinuity of structure(1/3)Continuity of structure(2/3)Standard of lap length30Continuity of structure(3/3)Assembly accuracyLug connectionClip connectionSnip connectionBracket connection(lap)Bracket connection(butt)Required strength vs end connectionZreq=7CShl2 S:space h:head l:spanEngine girderWorkmanship for engine girderGenerator engine bedDouble bottom constructionSure touchDefect around prepared edgeContinuous fillet weld(1/3)Continuous fillet weld(2/3)Continuous fillet weld(3/3)Defect at circumference of block(1/4)Defect at circumference of block(2/4)Defect at circumference of block(3/4)Defect at circumference of block(4/4)Inner groove for small angleWithout“water cut weld”With“water cut weld”Air hole&drain holeCharging to tankDischarging from tankChecking off of block planStern frame(for“A”type)Stern frame(for“D”type)Fabrication of shoe piece(1/2)Fabrication of shoe piece(2/2)Air test of shoe pieceWelding of stern frameAccuracy in stern frameAlignment of rudder center line(1/5)Alignment of rudder center line(2/5)Alignment of rudder center line(3/5)Alignment of rudder center line(4/5)Alignment of rudder center line(5/5)Accuracy in hatch cover block