complete list of spare parts and supplies, with current unit prices and
source of supply, and a list of the parts recommended by the manufacturer
to be replaced after [1] and [3] years of service.
PART 2
PRODUCTS
2.1
BOILERS
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NOTE: Specify steam outlet temperature in cases
where the boiler includes a superheater.
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Each boiler shall have the capacity indicated. The equipment design and
accessory installations shall permit accessibility for maintenance and
service. Boilers shall be designed for a maximum allowable working
pressure of [_____] Pa psig with an operating pressure of [_____] Pa psig.
Design conditions shall be as follows:
a.
Rated capacity, [_____] kg/hour pounds/hour.
b.
Steam outlet temperature, [_____] degrees C degrees F.
c.
Site elevation, [_____] m feet.
d.
Ambient air temperatures, [_____] to [_____] degrees C degrees F.
e.
Reference air temperature, 27 degrees C 80 degrees F.
The boiler shall be capable of operating continuously at maximum specified
capacity without damage or deterioration to the boiler, setting, firing
equipment, or auxiliaries. The boiler shall be capable of automatically
controlled operation while burning the fuel specified.
2.1.1
Capacity
Rated capacity shall be the capacity at which the boilers will operate
continuously without exceeding the specified furnace heat release and
transfer rates, furnace exit temperature, and gas exit temperature. Boiler
auxiliaries including fans, motors, drives, and similar equipment shall be
provided with at least 10 percent excess capacity to allow for field
variations in settings and to compensate for any unforeseen increases in
pressure losses in appurtenant piping and ductwork. [Stoker and grate
capacities shall also be provided with 10 percent excess capacity to allow
for variations in coal analysis.]
2.1.2
Electrical Equipment
Electric motor-driven equipment specified shall be provided complete with
motors and necessary motor control devices. Motors and motor control
devices shall be in accordance with Section 16402 INTERIOR DISTRIBUTION
SYSTEM including requirements for hazardous area locations. Unless
otherwise indicated, motors of 1 hp and above shall be high efficiency type.
2.1.2.1
Motor Ratings
Motors shall be suitable for the voltage and frequency provided. Motors
373 W 1/2 horsepower and larger shall be three phase, unless otherwise
indicated. Ratings shall be adequate for the duty imposed, but shall not
SECTION 15559A
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