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SMACNA: Sheet Metal and Air Conditioning Contractors' National Association

SMACNA, the Sheet Metal and Air Conditioning Contractors’ National Association is an international trade association and ANSI-accredited standards developing organization representing 1,834 member firms in 103 chapters throughout the United States, Canada, Australia, and Brazil. SMACNA standards and manuals address all facets of the sheet metal industry, from duct construction and installation to air pollution control, energy recovery, and roofing. Standards from SMACNA are available both individually, directly through the ANSI webstore, and as part of a Standards Subscription. If you or your organization are interested in easy, managed, online access to standards that can be shared, a Standards Subscription may be what you need - please contact us at: StandardsSubscriptions@ansi.org or 1-212-642-4980 or Request Proposal Price.

Below are SMACNA's best-selling standards. To find additional standards, please use the search bar above.

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SMACNA 1966-2005

HVAC Duct Construction Standards - Metal & Flexible

The third edition of the HVAC Duct Construction Standards û Metal and Flexible is intended primarily for commercial and institutional duct construction. The standard contains tables and details for constructing ductwork for ╜ö to 10ö wg positive and negative pressures. This edition improves upon the second edition with expanded pressure class tables, separate tables for TDC/TDF construction and expanded tables for round duct construction including 6ö wg positive and negative pressure and sizes up to 96ö. New in this edition is an engineering and design chapter to provide additional information to design professionals, double-wall construction details, new casing construction details and additional accessory items. The standard is applicable for construction using uncoated steel, galvanized and stainless steels and a limited range of aluminum ducts. This standard has been adopted in the ICC International Mechanical Code. Includes soft metrics.


SMACNA 016-2012

HVAC Air Duct Leakage Test Manual

This American National Standard, ANSI/SMACNA 016-2012, covers revised leakage criteria and builds on the proven methods for testing ductwork for air leaks from the first edition. Contains updates to the expected leakage rates for ductwork constructed to the SMACNA HVAC Duct Construction StandardsùMetal & Flexible, duct leakage test procedures, recommendations on use of leakage testing, types of test apparatus and test setup and sample leakage analysis. Includes a new educational chapter for designers and specifiers, to aid in the specification and implementation of duct leakage and testing methods.


SMACNA 1108-2008

Accepted Industry Practice For Industrial Duct Construction

This guide is a compilation of accepted industry practices and construction reinforced or unreinforced, for operation from 4 in. to 20 in. wg positive or negative pressure, and from ambient to 650 F for carbon or stainless steel, 400 F for galvanized steel, and 120 F for aluminum. Also rectangular duct fabricated from panels from a few inches up to 5 ft wide, all welded, Pittsburgh, grooved seam pipe lock or standing seam joined duct, for operation from 4 in. to 20 in. wg positive or negative pressure, and for the same materials and temperature limits as round duct. Also includes chapters on industrial applications, material properties, hangers and supports, fittings, vents, doors, discharge ducts (small stacks) and surface preparation of metals.


SMACNA 1520-1999

Round Industrial Duct Construction Standards

This edition expands the scope of the 1977 version, updating original text to incorporate a revised theory of design, new materials and more ôuser friendlyö tables. Offers a standardized, engineered basis for design and construction of industrial ducts of Classes 1 to 5. Includes a spiral duct chapter for Classes 1 and 2, covers design pressures ranging from 30ö wg negative to 50ö wg positive, plus carbon and galvanized steel tables. Changes to the manual include expanded tables for stainless steel and aluminum, expanded tables for duct sizes up to 96 inches in diameter, introduction of a new Duct Class 5 for systems handling corrosives, and spiral lockseam pipe. As alternatives to table use, the publication has a manual calculation procedure using equations and fully developed examples, and offers optional calculation software. Includes soft metrics.


SMACNA 008-2007

IAQ Guidelines For Occupied Buildings Under Construction

An authoritative source of project management guidance in maintaining satisfactory indoor air quality (IAQ) of occupied buildings undergoing renovation or construction. Covers how to manage the source of air pollutants, control measures, quality control and documentation, as well as communication with occupants. Includes example projects, tables, references, resources, and checklists; plus more extensive appendices, references, resources, planning and inspection checklists, and model specifications. Offers guidance on HVAC equipment early start-up and duct cleanliness for new construction. Methods to identify and remediate lead, asbestos, or other materials that are classified as hazardous materials are not intended to be within the scope of this standard.


SMACNA 1120-2012

Architectural Sheet Metal Manual

This completely updated publication contains the most comprehensive recommended practices available for proper design and installation of custom-fabricated architectural sheet metal including roof drainage system design for scuppers, gutters and downspouts. Features an expanded historical restoration section covering skylights, cornices, domes, and spires; new moisture and maintenance guide on underlayments; mechanical fasteners and soldering qualification guidance; and updated metals selection data. Offers new construction techniques and alternative methods of design and installation reflecting climatic conditions and rainfall rates. An upfront, fast ôlook-upö key speeds information retrieval. Also covers flashing, metal roofs, copings, gravel-stop fascia. Includes wind uplift pressure test reports confirming superior performance of custom-fabricated metal roofing. Applies to commercial, industrial, and residential buildings.


SMACNA 1167-2011

Guide For Free Standing Steel Stack Construction

Contractors, designers, and engineers will find this guide a very valuable resource, as tables containing hundreds of stacks are detailed and ready to go. This new publication updates the 1996 Guide for Steel Stack Construction, second edition, incorporating text and tables. New are design considerations for free standing stacks under resonant vibration, established limits on stacks fitted with testing platforms, larger stack selection diameters, and consideration of custom designed anchoring systems instead of a standardized schedule. Includes tables for selection of free standing stacks from 20 feet to 120 feet high, and diameters to 120 inches, companion flange, stiffener sizes and stacks with access ladders and platforms.


SMACNA 1767-2001

Kitchen Ventilation Systems And Food Service Equipment Fabrication Installation Guidelines

A basic reference guide to industry-accepted practices for fabrication and installation of commercial kitchen ventilation systems and custom-built food preparation equipment. Assists the designer, contractor and code officials in understanding the complexities of designing, installing, constructing and balancing both the exhaust and make-up air systems required in commercial kitchen ventilation. The food service equipment section offers practical guidelines for designing, fabricating, evaluating and installing a wide range of custom-built food service equipment. Includes tables, shelves and wall lining details as well as minimum dimension and metal thickness standards for constructing light, medium and heavy-duty kitchen equipment that should provide owners with years of trouble-free usage. Developed in accordance with ANSI/NSF-2-1996. Also included is an appendix that provides application details for the seismic bracing of food service equipment.


SMACNA 1819-2002

Fire, Smoke And Radiation Damper Installation Guide For HVAC Systems

An application and installation study guide for architects, engineers, code officials, manufacturers and contractors outlining their respective responsibilities mandated by the model codes. Covers fire dampers, breakaway connections, combination fire and smoke dampers, framing of structural openings, contract plan marking, installation instructions and special applications. Also contains information on active and passive smoke control systems and smoke detectors, plus soft metrics. The appendices on smoke control and smoke detectors have been revised to reflect the current technology and requirements for those applications.


SMACNA 1858-2004

HVAC Sound And Vibration Manual

Contractors charged with resolving complaints related to sound and vibration will find the first edition of SMACNAÆs HVAC Sound and Vibration Manual an in-depth HVAC-specific guide in the art of sound and vibration measurement and mitigation. This comprehensive book covers mechanical vibration, acoustical design of mechanical systems, sound generation and attenuations associated with ducts and fittings, mechanical equipment sound and vibration specifications and inspections, plus sound and vibration instrumentation and measurements.


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