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my client has a 8' dia. SA240- 316 API 650 storage tank with what I call a false interior bottom , built in 1985 just started leaking in a crack in bottom plate , the floor is 12" above the bottom of the shell and is 1/4" thick with no grillage or ribbed support just flat plate welded to...

well fi anyone up and working : we have a vessel built to ASME VIII fabricated in 1972 , MAWP 900psi @ 265 F , tested to 1429 psi, inspected and signed off by AI group in 1972. , undergone two API 510 inspections most recent last year all components per original drawings and materials ...

do you know of a source where I could get some sort of copy of your reference

Im looking at a vessel fabricated in 1972 ,heads and shells SA516-70 mawp 900 psi @ 265 F, shell and head normalized and PWHT , 18" LWN 400# flange manway with blind , pressuer tested to 1429 psi signed off and accepted , all other small 2" nozzles were 600# , my calcs. and charts show a...

I'm looking at at section VIII vessel built in 1972 , shell and heads SA516-70 , they used a LWN 18" manway using SA-105 II anybody tell me what this is in current context

what are the current referenced standard for NDE personnel doing inspection on vessel built under that standard, we see SNT-TC-1A or CP-189 what is actually written in the rule I cant find it Thanks

trying to determine moment of tank footing , ist timer , associate ran his software which I reviewed , I noticed his system loaded a value for Ss & S1 , which was used to generate a value for SDs and SD1, which in turn is used to generate a value for Ai in equation E4.6.1-1 and Ac in E4.6.1-4 ...

I'm looking a good sample problem which determined the Seismic moment induced on a footing , I need to review a existing footing for a new tank install

I have to prepare a RT procedure for MIL-STD-1032 " arc welding Armor Grade steel " I cant find a reference for the Hole type IQI , I downloaded E1025-18 which only covers manufacture of IQI, I usually do RT of ASME/AWS projects , looking at RT of 1/4" plate . Thanks

we're putting a WPS together for a military standard 3040, pretty clear on the PQR requirements, my question is I don't see any note if the welder who made the PQR test plate welds which require xray as a part of the qualification process for the WPS would also be qualified production welds.In...

I need to weld a A 572 plate , AWS D1.1 has a prequalified SWPS FCAW procedure it references applicable to P1 & 2 materials I need to locate some data showing A 572 group 50 is P1 & P 2 Thanks Bob

trying to work thru Section 1 , I'm familiar with VIII, looking at shell opening calcs. is "Compensation " the same as reinforcement.

looking for a little help interpreting the Flaw acceptance chart in API 620 for carbon steel materials

My proposal is to install 1 continuous vertical insert plate over the three shell plates versus installing 3 separate plates which will require more welding , I do not see any prohibition to that route, meeting the vertical spacing requirements and sizing the plate thickness to meet API...

I have a client that has a above ground storage tank , a chemical spill damaged a area of the shell 10" wide 18' vert. the shell plate is three different thickness . My interpretation of Section 9 allows for removal of the damaged shell plate and 1 continuous insert plate to be welded back...