i.
Identify equipment such as fans, air pollution devices, heating
coils, and controls, that do not meet the design plans and
specifications.
j.
Obtain fan performance data.
k.
Verify that replacement air terminals including [diffusers]
[louvers] [grilles] [perforated plate] [perforated ductwork] are
installed according to design plans and specifications.
l.
Obtain the differential pressure data and maximum operating
pressures for air filtration devices including [dirty and clean
replacement air filters] [high efficiency particulate air filters]
[dust collectors] [mist eliminators] [wet scrubbers] [cyclone
separators] [electrostatic precipitators] [_____].
m.
Obtain the temperature and pressure control diagrams for the
supply [and exhaust] industrial ventilation system.
n.
Record the nameplate data from each fan, motor, [air cleaning
device] [vacuum system] and [_____].
o.
Record motor starter sizes and the type of thermal overload
p.
Verify the following requirements unless otherwise specified in
the individual section:
(1) Fan bearings have a minimum rated average life of 200,000
hours.
(2)
Fan bases are level.
(3)
Fan wheels are balanced and clear the housing.
(4) Fan shafts are of uniform diameter [and there are no step
down cuts at the bearings].
(5) Access to fan grease fittings and other routine maintenance
equipment.
(6)
Bearings are greased and the tube is full upon installation.
(7)
Safety equipment, such as fan belt guards, are in place.
[(8)
Drive alignment and belt tension are correct for each fan.]
3.2
FIELD TESTS
3.2.1
Provide instruments and consumable equipment required to test the
industrial ventilation system.
Before beginning the test:
a.
Close all windows and doors in the facility.
SECTION 15951N
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