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Title: Dehumidification for coating and lining projects

Conference ·
OSTI ID:378106
 [1]
  1. Enviro-Air Control Corp., Houston, TX (United States)

When owners make the decision to refurbish tanks or vessels, quality workmanship that insures the long life of the coating or lining, and quick turnaround become paramount issues. However, if the tank is empty merely because the painting/lining contractor can not complete the project due to adverse weather conditions, something can be done to remedy the problem. Namely, include the use of dehumidification in the project specifications. Such a specification will enable an owner to receive his tank on a timely basis--the contractor will be able to optimize his personnel--and the material supplier will have his material applied in a more ideal condition. All components of the painting project will benefit and should be accomplished with little or no increase in cost of the lining project. However, if the intangible cost factor of not receiving the tank back for operation as per the contract is included in the cost analysis the incorporation of dehumidification actually becomes a cost savings. This environmental control can be realized, and utilized, even when the substrate is typically considered to be an external surface. For example, should the contractor have to enclose the work area--a bridge, a high rise tower, or even a ground storage tank to comply with external environmental regulations (dust from blasting operations, lead based paint removal, or even normal paint overspray), this created enclosure can be considered a tank. A closed loop system can be employed here and will be discussed in more detail in the formal paper. Therefore, the author will use the term enclosure throughout the paper with the definition of enclosure being the actual interior of the tank or any volume of air that exists between a tank and a plastic (or canvas) shroud that is used to enclose a blast area.

OSTI ID:
378106
Report Number(s):
CONF-9606194-; ISBN 1-877914-94-0; TRN: IM9643%%380
Resource Relation:
Conference: NACE international storage tanks conference and exhibitions, Anaheim, CA (United States), 4-6 Jun 1996; Other Information: PBD: 1995; Related Information: Is Part Of Storage tanks ASTs and USTs; Krause, D.E.; Lehmann, J.A. [eds.]; PB: 394 p.
Country of Publication:
United States
Language:
English