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Power Plant : Coal to Natural Gas Conversion - U.S.A

Power Plant : Coal to Natural Gas Conversion - U.S.A

(OP)
What code would all of the new piping welds inside of the power plant be made to ? Is it A.P.I 1104 or does it change to something else ? I was told that it is 1104 until it gets to a distribution skid , then changes to B31.1 to the burners but that doesn't sound right to me .


Thank you for your time

RE: Power Plant : Coal to Natural Gas Conversion - U.S.A

Start hanging around with a more experienced group...

Read the first section of ASME B31.1 (Scope, I believe) for a better definition of piping code boundaries.

MJCronin
Sr. Process Engineer

RE: Power Plant : Coal to Natural Gas Conversion - U.S.A

Generally the process side(converting coal to syngas)is done to B31.3 and the final fuel gas to CTG and/or steam system and ancillary cooling & lube oil systems are designed per B31.1.

RE: Power Plant : Coal to Natural Gas Conversion - U.S.A

(OP)
Thank you weldstan

RE: Power Plant : Coal to Natural Gas Conversion - U.S.A

MJCronin nailed it.
Each code has a section that defines its jurisdictional limits. Be careful to check with all stakeholders, sometime other entities get involved, for instance, DOT may require B31.4 inside the fence-line to the first vessel the pipeline is hooked up to.

RE: Power Plant : Coal to Natural Gas Conversion - U.S.A

What I stated was based on bidding two recent plants (one in construction and the other shelved) and providing maintenance services on one of the most recently completed and operating units.

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