3.2
PAINTING
All ferrous metal equipment shall be cleaned, primed, and given two coats
of machinery enamel at the factory. Fiberglass, stainless steel, and
galvanized components need not be painted. Field painting shall be in
accordance with Section 09900 PAINTS AND COATINGS.
3.3
EQUIPMENT INSTALLATION
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NOTE: Coordinate with Section 13234A FLOATING COVER
FOR SLUDGE-DIGESTION TANKS.
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Equipment shall be installed where indicated and in accordance with the
manufacturer's written instructions and under the supervision of the
manufacturer's representative. Sufficient clearances shall be provided
around all equipment to allow for proper operation and maintenance.
Connections with or protrusions through the digester cover or walls shall
be gastight. Special attention shall be given to the proper installation
of gas and fuel systems to insure safe operation. [Equipment installed on
floating digester covers shall be counterbalanced to insure proper
operation of the cover.]
3.4
TESTING
3.4.1
Gas Piping Test
Gas piping shall be tested by subjecting it to pneumatic pressure of not
less than 105 kPa 15 psi for 6 hours. During the test the system shall be
disconnected from the source of pressure and, with corrections made for
barometric and temperature changes, the pressure shall remain constant for
the test period, as indicated by a test gauge.
3.4.2
The piping system and heat exchanger shall be isolated and shall be tested
for a period of at least 6 hours at a hydrostatic pressure of 310 kPa 45 psi.
3.4.3
Operational Test
The entire gas, heating, and mixing system shall be subjected to an
operational test to demonstrate satisfactory functional efficiency.
3.4.4
Boiler and Heat Exchanger Test
Boiler and heat exchanger shall be tested as specified in Section [15990A
TESTING, ADJUSTING, AND BALANCING OF HVAC SYSTEMS] [15950N HVAC
TESTING/ADJUSTING/BALANCING].
3.5
MANUFACTURER'S SERVICES
Services of a manufacturer's representative who is experienced in the
installation, adjustment, and operation of the equipment specified shall be
provided. The representative shall supervise the installation, adjustment,
and testing of the equipment.
SECTION 11380
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