heaters in place with high temperature (454 degrees C850 degrees F) glass
tape or other means acceptable to the Contracting Officer. Completely
cover the throat heater with the glass tape prior to lagging.
3.10
WIRE NUMBERS
Provide wire numbers on both ends of each wire appearing on the elementary
diagram. Use space terminals for terminations. Markers shall be white
plastic sleeves with black letters.
3.11
GALVANIC CORROSION PREVENTION
To prevent galvanic corrosion, prevent permanent contact of aluminum casing
with copper, copper alloy, tin, lead, nickel, or nickel alloy including
Monel metal. Where it is necessary to attach the casing to carbon steel or
low alloy steel, paint the steel with zinc chromate primer. Then paint
with aluminum paint suitable for surface temperatures encountered. Do not
use lead base paint.
3.12
PAINTING
Provide field painting of those surfaces of the following equipment not in
contact with the flue gas stream: precipitators, cyclones, fans, and
breeching. Field paint as specified in Section 09900 PAINTS AND COATINGS.
Paint other equipment provided in this section; either field paint with
paint systems conforming to Section 09900 PAINTS AND COATINGS or paint with
factory or shop painting systems conforming to the requirements specified
in Section 15050N BASIC MECHANICAL MATERIALS AND METHODS.
3.13
SCHEDULE
Some metric measurements in this section are based on mathematical
conversion of inch-pound measurements, and not on metric measurements
commonly agreed on by the manufacturers or other parties. The inch-pound
and metric measurements shown are as follows:
Products
Inch-Pound
Metric
a.
[_____
_____
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-- End of Section --
SECTION 15862N
Page 46
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