wall or ceiling with vandal-resistant screws.]
[c.
Security ceiling diffusers shall be secured to ceiling with
vandal-resistant screws.]
]3.2
FIELD QUALITY CONTROL
Administer and direct tests. Furnish instruments, equipment, connecting
devices, and personnel for the tests. Notify Contracting Officer [_____]
days before inspection or testing is scheduled. Correct defects in work.
Repeat tests until work is in compliance.
3.2.1
Duct Air Leakage Testing
Requirements for duct air leakage testing is indicated and specified in
Section 15950N HVAC TESTING/ADJUSTING/BALANCING.
3.3
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.
Ducts
Pressure Classes
= 3 inches of water
= 750 Pa
= 4 to 10 inches
= 1000 to 2500 Pa
of water
b.
Duct Lining
Thickness
= one inch
= 25 mm
c.
Fibrous Glass Ducts
Minimum Thickness
= one inch
= 25 mm
d.
Smoke Damper
Operating Temperature
= 180 degrees F
= 82 degrees C
-- End of Section --
SECTION 15810N
Page 28
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