8.2 WELDING AND HOT TAPPING
8.2.1 GENERAL All repair and alteration welding shall be done in accordance with the principles of ASME B31.3 or the code to which the piping system was built. Any welding conducted on piping components in operation shall be done in accordance with API 2201. The inspector shall use as a minimum the ‘Suggested Hot Tap […]
8.1 REPAIRS AND ALTERATIONS
8.1.5 NON-WELDING REPAIRS (ON-STREAM) Temporary repairs of locally thinned sections or circumferential linear defects may be made on-stream by installing a properly designed and applied enclosure. E.g bolted clamp, non-metallic composite wrap, metallic and epoxy wraps, or other non-welded applied temporary repair. During turnarounds or other appropriate opportunities, temporary leak sealing and leak dissipating devices, […]