Test
Requirements
Test Method
Caliper
0.14 to 0.15 mm
ASTM D 374M,
Method A
Tensile, dry
18 minutes
TAPPI T404 CM
Tensile, wet
25 percent of dry
TAPPI T456 OM
after 1 minute age
at 110 degrees C
Absorption
19 mm to 28 mm
ASTM D 202
Fungus resistance
Satisfactory at 2
TAPPI T487 PM
weeks incubation
Test
Requirements
Test Method
Basis weight
24 by 36, 500
47 lb. plus or
TAPPI T410 OM
sheets
minus 1 lb.
Mullen
42 minutes
TAPPI T403 OM
Caliper
0.0054 to
ASTM D 374,
0.0058-inch
Method A
Tensile, dry
18 minutes
TAPPI T404 CM
Tensile, wet
25 percent of dry
TAPPI T456 OM
after 1 minute age
at 230 degrees F
Absorption
12/16 inch to
ASTM D 202
18/16 inch
Fungus resistance
Satisfactory at 2
TAPPI T487 PM
weeks incubation
PART 3
EXECUTION
3.1
INSTALLATION
Installation of evaporative coolers shall conform with NFPA 90A, SMACNA
HVAC Duct Const Stds, recommendations and printed instructions of the
manufacturer, and details and notes indicated. Provide mounting and
supporting of thermostats, ducts, piping, roof curbs, equipment,
accessories, and appurtenances, including but not limited to structural
supports, hangers, vibration isolators, stands, clamp and brackets, and
access doors. Electric isolation shall be provided between dissimilar
metals for the purpose of minimizing galvanic corrosion. Electrical work
shall conform with NFPA 70 and Division 16, Electrical. Equip electric
motor-driven equipment with motor starters, fused-disconnect switches, and
controls. Provide manual or automatic control, protective devices, and
control wiring for operations as indicated.
3.2
FIELD TESTING AND BALANCING
Adjust evaporative coolers to produce air quantities at the conditions
SECTION 15721N
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