Description
Total Hardness
[_____]
Dissolve Solids
[_____]
[_____]
[_____]
2.8.12
Chemicals
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NOTE: Choose one of the following options.
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[Provide same chemicals used for treatment at station's other towers.]
[Provide chemicals in accordance with requirements of United States
Environment Protection Agency, and the equipment manufacturer's
recommendations. Chemicals shall have no detrimental effects on the
materials in the systems. No chromium, zinc, or other heavy metal will be
permitted. Chemicals shall be designated by chemical composition and also
described by brand name.]
2.9
COATINGS FOR FINNED TUBE COILS
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NOTE: Research project location conditions to
determine the environmental effects on finned tube
coils. The research should include a survey of
existing similar equipment. Prepare project
specifications based on the conclusions of the
research. Consideration should be given to the
following combinations based on past experience of
these materials in dealing with the local conditions.
1.
Copper tube and aluminum fins, coated
2.
Copper tube and copper fins, coated
3.
Aluminum tube and aluminum fins, coated
4.
Aluminum tube and aluminum fins, uncoated
5.
Copper tube and copper fins, uncoated
6.
Copper tube and aluminum fins, uncoated.
Include this article when coating of finned tube
coils is required by the equipment specification
paragraphs.
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Where expressly stipulated in equipment specification paragraphs in this
section, finned tube coils of the affected equipment items shall be coated
as specified below.
2.9.1
Phenolic Coating
Coating shall be applied at the premises of a company specializing in such
work. Coils shall be degreased and prepared for coating in accordance with
SECTION 15601N
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