[magnetic-across-the-line] [reduced-voltage] [part-winding] [wye-delta]
type with [general-purpose] [water-resistant] [watertight]
[explosion-proof] enclosure.
2.10
ROOF CURBS
Factory-fabricated sheet-steel structural members. Provide minimum 100 mm
4 inch cants for built-up roofing, 50 by 150 mm 2 by 6 inch
factory-installed wood nailers, and fully mitered end sections. Provide
welded 18 gage galvanized steel shell, base plate, and counterflashing and
provide stiffness required to eliminating deflection.
2.11
CORROSION PROTECTION FOR MARINE ENVIRONMENTS
2.11.1
Corrosion Protection for Marine Environments
**************************************************************************
NOTE: Indicate specific equipment for such special
finish in the drawings. This paragraph applies only
primarily to Pacific islands, Atlantic islands, or
other similar marine environments.
**************************************************************************
Provide a special finish on the interior of the equipment and the exterior,
where indicated. Apply coating at the premises of a company specializing
in such work.
2.11.1.1
Mild Steel and Factory Primed Surfaces
a.
Synthetic Resin Primer: 36 percent, plus or minus 6 percent,
solids content by volume; 1 coat, 0.076 mm 3 mils minimum dry film
thickness.
b.
Vinyl Copolymer: 23 percent, plus or minus 4 percent, solids
content by volume; 2 coats, 0.038 mm 1 1/2 mils minimum dry film
thickness per coat.
2.11.1.2
Nonferrous Heat Exchanger Fin Coil Surfaces
Vinyl copolymer, 4 coats, 0.038 mm 1 1/2 mils minimum dry film thickness
per coat.
2.11.1.3
Galvanized Surfaces
a.
Polyamide Epoxy Primer: 48 percent, plus or minus 2 percent,
solids content by volume; 1 coat, 0.051 mm 2 mils minimum dry film
thickness.
b.
Vinyl Copolymer: 23 percent, plus or minus 4 percent, solids
content by volume; 2 coats, 0.038 mm 1 1/2 mils minimum dry film
thickness per coat.
2.11.1.4
Aluminum Surfaces Other than Fin Coil Surfaces
a.
Polyamide Epoxy Primer: 48 percent, plus or minus 2 percent,
solid contact by volume; 1 coat, 0.051 mm 2 mils minimum dry film
thickness.
b.
Vinyl Copolymer:
23 percent, plus or minus 4 percent, solids
SECTION 15720N
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