Earl and the Aboveground Storage Tank Forum for fuel tanks, plastic tanks, fuel oil storage tanksWelcome to the aboveground storage tank forum, a bulletin board dedicated to tanks, fuel tanks, plastic tanks, fuel storage tanks, and above ground storage tanks (AST) API650, API653 & UL142 aboveground storage tanks (AST) and chemical plastic tanks. Remember the forum is made up of volunteers from experts to beginners. Unfortunately, we cannot allow free commercialism that promotes products, services, or sites.
 
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Earl

    • Cryogenic double wall tank internal inspection - required? - Thursday, March 15, 2012 - khaiis@yahoo.com [1313] 0 Stars
      Hi.. Ive double wall LPG storage tank suspended deck at inner tank sized 44m diameter which had never being internally inspected for 28 years. The inspection group had done the RBI and presented the case, which require the tank to immediately shutdown for internal inspection of course involved hugh cost & long duration. From design, the tank was designed to API 620 App. R.There are school of practise mentioned that double wall cryogenic tank is internally free maintenance, not require internal inspection if the temperature maintained at all time subzero. Is that so ? As for inspector, it poses extremely high risk especially to the inner tank suspended deck roof, fittings and the facts that it is ageing. Your opinion and sharing is appreciated.

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