As suggested by Jose the modification must be under R stamp,if u hv completed MDR & registered with NB.
On Wednesday, October 2, 2019 at 10:36:12 AM UTC+5:30, nvkkumar wrote:
-- Modification is possible as per customers requirements.Also PWHT after modifications may not be required if WPS/PQR is available.
On Wednesday, October 2, 2019 at 10:36:12 AM UTC+5:30, nvkkumar wrote:
Dear Gentleman,We have received two vessels as per drawing. ASME U stamp done on both vessels, there is one bottom outlet nozzle of 6"NB in both vessels. Now client is asking us to remove the flange of the nozzle and hook up with piping. My doubt is1. Whether we have to take approval from authorized inspector before going to do any modification.2. After hook up we have to do PWHT for that hook up jointPlease clarify, if possible please provide code reference.Line SERVICE not call any PWHTConstruction code for vessel is ASME Sec VIII, Div 1, piping construction code is B 31.3.Thanks in advance,
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