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Technical Discussions
Richard Ledingham
Richard Ledingham
02:15 Feb-05-2002
In-Service Steel Tank Floor Inspections

Looking for Inspection Techniques/Methods for the inspection of Steel Tank Floors without taking the tanks out of service. I am aware of Acoustic Emission, TANKPAC etc... but, are there any new techniques out there? Long Range UT, ACFM?!? Any of these able to do the job?

rajeev chaudhari
NDT Inspector
offshore testing & inspection services (I) pvt ltd, India, Joined Dec 2000, 17

rajeev chaudhari

NDT Inspector
offshore testing & inspection services (I) pvt ltd,
Joined Dec 2000
04:37 Feb-05-2002
Re: In-Service Steel Tank Floor Inspections
You can contact pndt for your need. Pndt has carried out extensive work in tank inspection. If you need any further details you may contact me at otislab@vsnl.net

John O'Brien
Consultant, -
Chevron ETC , USA, Joined Jan 2000, 278

John O'Brien

Consultant, -
Chevron ETC ,
Joined Jan 2000
05:59 Feb-19-2002
Re: In-Service Steel Tank Floor Inspections
You really need to look at what you want to achieve.

All of the techniques you mention have some role to play in an on-stream storage tank inspection. They all also have limitations.

If you want in inservice snapshot of the condition of a tank floor in service you are probably limited to Acoustic Emission or an In Service Tank Robot.

Differing methods in terms of data and cost so you need to examine cost benefit analysis.

You could start with an RBI study and then apply in service techniques on high risk.

If annular problems are suspected long range ultrasonics will fill a need.

For more information consider attending Asia Bulk Liquid Storage Tanks & Terminals March 26/27 Singapore check www.ibc-asia com/bulkliquid.htm


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