Sound Transmission Loss of Building
Partitions and Elements
ASTM E 96
(2000e1) Water Vapor Transmission of
Materials
NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)
NFPA 90A
(2002) Installation of Air Conditioning
and Ventilating Systems
SHEET METAL AND AIR CONDITIONING CONTRACTORS' NATIONAL ASSOCIATION
(SMACNA)
SMACNA FGDCS
(2003, 7th Ed) Fibrous Glass Duct
Construction Standards
SMACNA HVAC Duct Const Stds
(1995, 2nd Ed) HVAC Duct Construction
Standards - Metal and Flexible
SMACNA Seismic Restraint Mnl
(1998, 2nd Ed) Seismic Restraint Manual:
Guidelines for Mechanical Systems
UNDERWRITERS LABORATORIES (UL)
UL 181
(2005) Factory-Made Air Ducts and Air
Connectors
UL 555
(1999; Rev thru Jan 2002) Fire Dampers
UL 555S
(1999; Rev thru Apr 2003) Smoke Dampers
UL 723
(2003) Test for Surface Burning
Characteristics of Building Materials
1.2
RELATED REQUIREMENTS
Section 15050N BASIC MECHANICAL MATERIALS NAD METHODS, applies to this
section with the additions and modifications specified herein.
1.3
PRESSURE CLASSIFICATION
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NOTE: In the contract drawings, the designer must
identify the portion of each duct system to be
constructed for a particular pressure classification
or the entire system to be assigned a pressure
classification. Where no designations are provided,
the 250 Pa one inch water gage is the basis of
compliance, except variable air volume (VAV) ducts
upstream of VAV boxes has a 500 Pa two inch water
gage basis of compliance.
**************************************************************************
SMACNA HVAC Duct Const Stds, Section 1, and as indicated.
1.4
SYSTEM DESCRIPTION
Provide ductwork systems including ductwork, ductwork hangers and supports,
SECTION 15810N
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