Manufacturers must submit evidence that unit
specimen have passed the specified salt spray fog
test. A 125 hour test will be specified in a
noncorrosive environment and a 500 hour test will be
specified in a corrosive environment.
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Unless otherwise specified, equipment and component items, when fabricated
from ferrous metal, shall be factory finished with the manufacturer's
standard finish, except that items located outside of buildings shall have
weather resistant finishes that will withstand [125] [500] hours exposure
to the salt spray test specified in ASTM B 117 using a 5 percent sodium
chloride solution. Immediately after completion of the test, the specimen
shall show no signs of blistering, wrinkling, cracking, or loss of adhesion
and no sign of rust creepage beyond 3 mm 1/8 inch on either side of the
scratch mark. Cut edges of galvanized surfaces where hot-dip galvanized
sheet steel is used shall be coated with a zinc-rich coating conforming to
ASTM D 520, Type I.
2.7
SUPPLEMENTAL COMPONENTS/SERVICES
2.7.1
Condenser Water Piping and Accessories
Condenser water piping and accessories shall be provided and installed in
accordance with Section 15181 CHILLED, CHILLED-HOT, AND CONDENSER WATER
PIPING SYSTEMS.
2.7.2
Water Treatment
Water treatment shall be provided and installed in accordance with Section
15181 CHILLED, CHILLED-HOT, AND CONDENSER WATER PIPING SYSTEMS.
PART 3
EXECUTION
3.1
INSTALLATION
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NOTE: Designer will determine in the initial stages
of design the approximate distances required for
maintenance clearances of all new equipment. The
maintenance clearances will be used in determining
the final layout of the equipment.
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Work shall be performed in accordance with the manufacturer's published
diagrams, recommendations, and equipment warranty requirements. Equipment
and piping arrangements shall fit into space allotted and allow adequate
acceptable clearances for installation, replacement, entry, servicing, and
maintenance. Equipment shall be properly leveled, aligned, and secured in
place in accordance with manufacturer's instructions. Field painting is
required for surfaces not otherwise specified, and finish painting of items
only primed at the factory; paints are specified in Section 09900 PAINTS
AND COATINGS.
3.2
CLEANING AND ADJUSTING
Equipment shall be wiped clean, with all traces of oil, dust, dirt, or
paint spots removed. System shall be maintained in this clean condition
until final acceptance. Bearings shall be properly lubricated with oil or
SECTION 15645A
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