Water Tower interior
Water Tower interior
(OP)
I've got a client with a 500,000 gal. stand pipe. Coating systems on the exterior and interior have failed. The stand pipe is the base for three cell towers so the clint receives significant rental income. They want to drain it and take it out of service, but not demo it because of the income. The problem is that they only want to paint the outside of the tank. I'm concerned about the future corrosion of the interior surfaces. Should I worry?





RE: Water Tower interior
I would re-coat the interior with with a NSF 61 approved or state approved system.
The water system clients might object to excessive rust if not coated and the tank will likely fail and there goes the rental income too.
One problem you have is the water level in the stand pipe flucuates causing a wet/dry cycle on the interior.
RE: Water Tower interior
Steel will last for a long time if kept dry. Witness the cars out in the dry desert. If you remove the moisture, then the standpipe will last for a long time too. Don't forget to do periodic inspections.
RE: Water Tower interior
RE: Water Tower interior
Dehumidification is a proven technique to prevent rusting of equipment.
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RE: Water Tower interior
RE: Water Tower interior
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Many water and wastewater treatment facilities are adding dehumidification to prevent corrosion. Dehumidification doesn't require a continuous source of power. The power cost would be minimal if the tower is closed and would only be necessary part of the year depending on the climate. It is much less expensive than repainting.
RE: Water Tower interior