Buffalo Wild Wings

SECTION 15800 - DUCTWORK MATERIALS AND METHODS
PART 1. - GENERAL
1.1 SUMMARY
A. All above ground ductwork material and construction shall be galvanized steel, installed
in accordance with the Standards described in the latest edition of the ASHRAE
(American Society of Heating, Refrigeration and Air Conditioning Engineers) Guide and
Data Book, SMACNA (Sheet Metal and Air Conditioning Contractor’s National
Association) and Local governing mechanical codes.
B. Changes in direction, elevation or shape shall be made by gradual methods such as
radiused elbows of diverging or converging reducing fittings. Changes in dimension shall
not exceed 20° diverging angle. Elbow radii shall be at least equal to the width of the duct
in the plane of the bend.
PART 2. – PRODUCTS
2.1 A. Approved Manufacturers:
1. Registers, Grilles and Diffusers and Terminal Air Devices: Anemostat, Titus,
Price, J & J, Krueger, Tuttle and Bailey, Cames, Lima, Nailor, Metalaire, Agitair,
Reliable Metal, Connor, Air Devices, Inc.
2. Louvers: Cesco, Air Balance, Arrow United, Louvers & Dampers, Inc., Safe-Air.
3. Fire and Smoke Dampers: Prefco, Ruskin, Greenheck, Cesco, United Air,
American Warming, Safe-Air, Nailor, Acme.
B. Registers, Grilles and Diffusers: Unless indicated, otherwise wall and ceiling R, C, D’s
shall be white; floor registers shall have plain aluminum finish. Color finishes shall be
approved by the Architect.
1. See drawings for grilles and diffusers schedule.
C. Dampers.
1. Where dampers separate outdoors from indoors, they shall meet the following
standards: Use no damper blade that is wider than 6 inches. Construct damper
frames from at least 16 gauge, hot dipped galvanized steel. Fit each blade with
double sided, inflatable, field replaceable, extruded vinyl edge seals that lock into
slots in the blade. Size each blade to fit tightly between flexible, compressible,
metal jamb seals. Set nylon bearings in stainless steel sleeves. Use hexagonal
shafts for positive blade control. Conceal damper linkage inside the frames and
out of the air stream. The entire assembly shall not rattle or vibrate. A closed
damper shall not leak more than 6 SCFM per square foot of face area when
tested in accordance with AMCA Standard 500 for a damper selected at 2000
FPM and tested at 4 inches of water column pressure across the face.
06/25/09 DUCTWORK MATERIALS AND METHODS
15800-1