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Question DetailsAsked on 3/20/2017

how much does it cost to replace a 275 gal basement oil tank

the legs of the oil tank are rusted and the oil company states the entire tank has to be replaced

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1 Answer


Sounds like you may be ini a situation where they are trying to sell you a new tank. If the legs are just rusty, andno evidence of deep scale on the tank itself or structural damage to the legs (badly rusted), then it may be a sand or shot-blasting or wire brushing (with proper tank grounding and explosive vapor suppression) and repainting is all that is needed. if only surface rust (determinable with hand wire brushing) then a rust conversion product or rusty metal primer and painting may be all that is needed to remove the "apparent indication of possible structural or regulated materials containment compromise" as I recall the regulation phrasing, which made them refuse to fill the tank (assuming that is what happened). Typically around $250 to have that done - though of course if it turns out the rust has noticeably penetrated into the metal of the tank or compromised the structural integrity of the legs you are out that money and still ahve to replace it.

Here are some links on the total replacement issue:

Answered 3 years ago by LCD

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