final bid specs 09328.pdf - Freese and Nichols, Inc.

D. Bituminous Paint: Cold-applied asphalt emulsion complying with ASTM D 1187.
2.03 FABRICATION, GENERAL
A. Fabricate frames to fit in openings of sizes indicated, with allowances made for fabrication
and installation tolerances, adjoining material tolerances, and perimeter sealant joints.
B. Join frame members to each other and to louver blades with fillet welds, threaded fasteners,
or both, as standard with louver manufacturer, concealed from view.
2.04 FIXED, EXTRUDED-ALUMINUM LOUVERS
A. Drainable-Blade Louver:
1. Basis-of-Design Product: Ruskin; extruded aluminum stationary louver; ESD-403 or a
comparable product.
2. Frame and Blade Nominal Thickness: Not less than 0.080 inch (1.5 mm) for blades and
0.080 inch (2.0 mm) for frames.
3. Performance Requirements:
a. Free Area: Not less than 8.0 sq. ft. (0.74 sq. m) for 48-inch- (1.2-m-) wide by 48-
inch- (1.2-m-) high louver.
b. Point of Beginning Water Penetration: Not less than 1000 fpm (5.1 m/s).
c. Air Performance: Not more than 0.15-inch wg (37-Pa) static pressure drop at 950-
fpm (4.8-m/s) free-area velocity.
4. AMCA Seal: Mark units with AMCA Certified Ratings Seal.
2.05 COMBINATION, EXTRUDED-ALUMINUM LOUVERS
A. Dual-Blade, Drainable-Blade, Combination Louver: Fixed drainable blades and adjustable
plain blades combined in single frame.
1. Basis-of-Design Product: Ruskin; extruded aluminum combination louver; ELC6375D or
a comparable product.
2. Louver Depth: 6 inches (150 mm)
3. Performance Requirements:
a. Free Area: Not less than 7.0 sq. ft. (0.65 sq. m) for 48-inch- (1.2-m-) wide by 48-
inch- (1.2-m-) high louver.
b. Point of Beginning Water Penetration: Not less than 1000 fpm (5.1 m/s).
c. Air Performance: Not more than 0.10-inch wg (25-Pa) static pressure drop at 900-
fpm (4.6-m/s) free-area velocity.
d. Air Leakage: Not more than 0.45 cfm per sq. ft. of louver gross area at a differential
static pressure of 0.15-inch wg (37 Pa) with adjustable louver blades closed.
4. AMCA Seal: Mark units with AMCA Certified Ratings Seal.
B. Electrical Operators:
1. Electrical operators shall have two (2) positions: power open, spring close, operating on a
120 volt control circuit.
2. Electrical operators shall be surface mounted near the louver with connecting rods and
linkage exposed to the inside space.
2.06 LOUVER SCREENS
A. General: Provide screen at interior face of each exterior louver.
Louvers and Vents 08 90 00 - 2
DPR09328