1. 1 Boiler and Pressure Vessel Code (2001 ), Section XI, ASME.
2. 2 BS 5500 , Specification for unfired fusion welded pressure vessels , British Standard Institution (Also PD 6550).
3. 3 A16 (1995 ) Guide for defect assessment and leak before break . Rapport DMT 95/659.
4. LBB for KWU-plants