Transcription of No.47 Shipbuilding and Repair Quality Standard - IACS
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No.47 Shipbuilding and Repair Quality Standard - IACS
Shipbuilding and Repair Quality Standard (1996). (Rev. 1, 1999). ( , Dec. 2004). ( , Nov. 2006). ( , Aug. 2008). ( , Oct. 2010). Part A Shipbuilding and Remedial Quality Standard for New Construction Part B Repair Quality Standard for Existing Ships PART A - Shipbuilding AND REMEDIAL Quality standards FOR NEW CONSTRUCTION. 1. Scope 2. General requirements for new construction 3. Qualification of personnel and procedures Qualification of welders Qualification of welding procedures Qualification of NDE operators 4. Materials Materials for structural members Surface conditions 5. Gas Cutting 6. Fabrication and fairness Flanged longitudinals and flanged brackets Built-up sections Corrugated bulkheads Pillars, brackets and stiffeners Maximum heating temperature on surface for line heating Block assembly Special sub-assembly Shape Fairness of plating between frames Fairness of plating with frames Preheating for welding hull steels at low temperature 7. Alignment 8. Welding Joint Details Typical butt weld plate edge preparation (manual welding and semi-automatic welding).
- 5 - Imperfection surface area Ratio (%) is obtained as influenced area / area under consideration (i.e. plate surface area) x 100%. For isolated surface discontinuities, influenced area is obtained by drawing a continuous line which follows the
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