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Hi What is the allowable evaporation rate in cylindrical petroleum products floating roof storage tank ? Thanks

Hi How often do we have to calibrate Prover tank? Thanks

vhengr Thanks a lot

Dear Mr.fegenbush Yes it is constructed to ASME Section VIII Division 2 The contractor is insisting on having UT instead of RT , I went through the standard and I was confused of categories ..so I asked for help. By the way ...I didn't understand what you've written: These projects are quite...

Hi Thanks for your answer....actually the spherical tank is shown in the attached filehttp://files.engineering.com/getfile.aspx?folder=60d12fe9-ef30-4602-b225-030728ec7c50&file=download_(4).jpg

Hi, Testing the welding during construction should it be RT or UT ? Thanks

Hello How can I decide how many plates I have to use in the bottom of petroleum tank with diameter = 20m , and the shells are ( 6x2 ) m Thanks

ASME Code,Section VII division 2

Hello Can you tell me please if is it OK to exam the tanks'welds by Ultrasonic method and not with radiographic method??? The tanks are 1000 -3000 m3 LPG Spherical . Thanks in advance

OK What if the tank is empty and clean ..What is the best quick procedure to repair the shells ?

The problem is that we have large petroleum tanks ( 15000 -50000 ) cubic meter capacity some tanks'shells are damaged ( corrosion , bullets ...) ,the tanks are in service and we have to repair the damaged shell !!!!! I read about a material ( paste ) that can be but on the hole and it fill...

Mr.JStephen Could you please tell me more about it ??

OK Thanks

Thanks for your answer. Is that OK to use while the tanks are on service?? Is it allowed according to standards???

Hi What is cold welding?? How can we repair on service large petroleum tank? Thanks.

Hi Can we weld extra filling pipes to the existing underground gasoline tank ? Thanks

Hi Is there any standard for the external floating roof drain hose ? Thanks

Thanks a lot Syahar1975 , bimr ....You helped me very mucu

Thanks Syahar1975 for your prompt reply. I still didn't get it ,do you have any photo can explain more ???

Dear sirs, I don't understand the following paragraph from API 650 - section 5-Design - 5.1.5.2 Vertical Shell Joints: b. Vertical joints in adjacent shell courses shall not be aligned, but shall be offset from each other a minimum distance of 5t, where t is the plate thickness of the thicker...