When the designer has only required leakage tests to be conducted in accordance with the smacna hvac air duct leakage test manual for verification that the leakage classifications in table 1 have been met and has given no other criteria and scope, he is deemed to have not fulfilled the responsibilities outlined in section 2. This has included active participation in technical and standards committees for professional organizations that serve the hvac industry, such as ashrae, astm, amca, and smacna. Smacna 11082008 accepted industry practice for industrial duct construction. Hello everyone, i am new to revit, and working in hvac field.
The updated 88page manual provides the performance characteristics for fibrous glass board as determined by the north american insulation manufacturers association naima and underwriters laboratories ul as well as specifications for closures and illustrations of how to construct the full range of fittings. Consideration must be given with restraining ducts to avoid development of excessive internal duct. Where fittings of configurations not shown in the hvacdcs are shown on the contract drawings, they shall be constructed as though they were therein. Smacnas hvac duct construction standards, 4th edition. Smacna standards and manuals address all facets of the sheet metal industry, from duct construction and installation to air pollution control, from energy recovery to roofing. Hvac duct construction standards metal and flexible smacna. Access the most uptodate standards from sheet metal and air conditioning. Contains guidelines for inspection of commercial hvac duct systems for compliance with smacna ansi hvac duct construction standards, metal and flexible, 3rd edition and fibrous glass duct construction standard 7th edition. I dont know if anyone besides paid revit teachers use that autoroute feature. This is the first edition of the smacna phenolic duct construction standard.
Smacna hvac duct construction standards metal and flexible, 3rd ed. Smacnas hvac duct construction standards, 4th edition, ready. Smacna technical manuals pmsmca plumbing mechanical sheet. Howard, iii sheet metal and air conditioning contractors national association.
Duct hangers and supports shall withstand the effects of gravity loads. The guidelines apply to duct fabricated of hotrolled and coldrolled carbon steel, galvanized sheet steel, stainless steel and aluminum in accordance with smacna standards 5. No changes in these ahri smacna guidelines shall be made without the approval of ahri and smacna. Ansi smacna 0062006 hvac duct construction standards eli p. Rectangular industrial duct construction standards ip version, 2004.
Duct construction standards metal and flexible and. The third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and institutional duct construction. The standard contains tables and details for constructing ductwork for. Every above ground duct installation needs hangers or supports of some kind. We have considered the span distance between hangers, working. It is intended to provide basic phenolic duct fabrication and installation standards to the industry. Accepted industry practice for industrial duct construction. In general, the current smacna 2005 gauges are suitable for spans up to 30 feet. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. Smacna hvac air duct leakage manual why smacnas method for leakage testing is the correct method.
Us duct makes a full line of duct hangers and supports. Hvac duct construction standards smacna subscriptions. Smacna hvac air duct leakage manual why smacna s method for leakage testing is the correct method. Hvac duct construction standards metal and flexible third edition. The updated 88page manual provides the performance characteristics for fibrous glass board as determined by the. Code notes 5 duct insulation and sealing requirements in commercial buildings continued ashrae 90. This is the first edition of the smacna phenolic duct construction standards. Accepted industry practice for industrial duct construction order no. The seismic experience data show that hvac duct and damper systems.
Its a dayandahalf program, and is geared primarily for mainstream hvac duct fabricators because we focus on the technical and coderelated standards surrounding duct construction, said mark terzigni, smacna director of engineering and technical resources, who led the program with smacna project managers shawn ohara and delaine deer. Hvac duct construction standards metal and flexible third edition iii foreword this third edition of the smacna commercial metal and flexible duct construction standards is another in a long line dating from the 1950s. Smacna duct construction standards metal and flexible. Continuing to build on the history of the duct construction standards, this new edition represents the stateoftheart in sheet metal duct fabrication and installation.
Documents preceding 2nd edition hvacdcshigh pressure duct construction standards third edition 1975duct liner. This american national standard ansi smacna 0222015 contains instruction, tables and details intended to provide basic phenolic duct fabrication and installation standards to the industry. The standard includes model project specifications, duct performance characteristics, specifications and closures, fittings. Hvac duct construction bob wasilewski project manager, technical resources smacna. Supports are available in any of the version in revit inbuilt or have to d. These documents were the source for many of the recommendations made in these guidelines.
Smacna 1987 2006 hvac duct systems inspection guide, 3rd edition. Contains guidelines for inspection of commercial hvac duct systems for compliance with smacna ansi hvac duct construction standards, metal and flexible, 3rd edition and fibrous glass duct construction standards 7th edition. Guidelines for seismic verification of hvac duct and. This guide is a compilation of accepted industry practices and construction reinforced or unreinforced, for operation. Disclaimer of warranties a the sheet metal and air conditioning contractors national association smacna provides its product for informational. Sign up for 3 days of free access to select titles to try out smacna subscriptions. This third edition of guide for free standing steel stack construction formerly known as guide for steel stack construction is intended for use by contractors, fabricators, and designers of heating. Shop fabricate ductwork of gages and reinforcement complying with smacna low pressure duct standards 5th edition. Hvac duct construction standards metal and flexible third edition iii foreword this third edition of the smacna commercial metal and flexible duct construction standards is another in a long line. All ductwork shall be designed, constructed, supported and sealed in accordance with smacna. Smacna approved duct supports shall be utilized in accordance with smacna standards for phenolic duct. A quick overview of the changes is provided in the front of this manual.
Steel items shall be plated, galvanized, painted, or coated. Also, both options have been shown, so as to provide this manual as a quick reference to smacna standards. Where fittings of configurations not shown in the hvac. Guidelines for seismic verification of hvac duct and damper. Fabricate, support, install, and seal in accordance with smacna s hvac duct construction standards, metal and flexible. Hvac duct construction standards metal and flexible third edition vii duct construction ductwork and supports shall conform to the hvac duct construction standards, metal and flexible, third edition, 2005. Fabricate duct fittings to match adjoining ducts, and to comply with duct requirements as applicable to fittings. Nepereny smacna the sheet metal and air conditioning contractors national association, inc. Smacnas technical university sells out smacna greater chicago. Codes and standards that are standard at the university. Smacna expresses appreciation to the many who have offered suggestions for constructive improvement in the fab rication and installation of duct systems.
These standards provide a simple threestep procedure for the selection of. This guide is a compilation of accepted industry practices and construction reinforced or unreinforced, for operation from 4 in. This document or publication is prepared for voluntary acceptance and use within the limitations of application defined herein, and. Book by sheet metal and air conditioning contractors national association, 2005. Smacna hangers and supports free download as pdf file. The support distance for ductwork is typical based upon deflection, stress and cylinder buckling analysis. Penetration into the qduct system duct is not permitted. Hvac ducts are suspended from hangers 12 inches 305 mm or less in length with hangers detailed to avoid significant bending of the hangers and their attachments, or. Hvac training what is smacna standards for ducting. The standard includes model project specifications, duct performance characteristics, specifications and closures. Support systems for ductwork may provide restraint in three directions against displacement and rotation. The results of these certified tests which permit the variation are shown on the back page of this manual. Do not use black steel devices, components, fasteners, etc. Fibrous glass duct construction standards rs36 10 cfr 434.
Chapter 4 rectangular duct hangers and supports hangers and supports hanging fittings vertical riser support. Us duct offers a wide variety of hangers to accomplish the task. Ansismacna 0062006 hvac duct construction standards. The guidelines are applicable to any hvac duct and damper system at any elevation in a plant where the nuclear. Guide for free standing steel stack construction, 2011. Design duct for maximum negative pressure practical to accommodate improper operation or poor maintenance.
In addition, a variety of options are offered for the ductwork support which are more stringent than the smacna 2005. Seismic supports are not required for hvac ductwork with ip 1. When the designer has only required leakage tests to be conducted in accordance with the smacna hvac air duct leakage test manual for verification that the leakage classifications in table 1 have. Seismic supports are not required for hvac ductwork when the i p 1. Continuing to build on the history of the duct construction standards. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct.
Mcgill airflow receives many inquiries each year from contractors, who are performing leak tests in the. Smacna 2005 also directs you to utilize smacna round industrial duct construction standards ridcs for longer spans. Smacnas manual, entitled round industrial duct construction standards, includes information on all of these types of materials. Smacna 11082008 american national standards institute. Smacna cad standard second edition v notice to users of this publication 1. Spiral duct and fittings construction standards air distribution corporation air distribution corporation spiral duct and fittings are manufactured in accordance with applicable smacna, ashrae and spida standards. Contains guidelines for inspection of commercial hvac duct systems for compliance with smacnaansi hvac duct construction standards, metal and flexible, 3rd edition and fibrous glass duct construction standard 7th edition. Ansismacna 0062006 hvac duct construction standards eli p. Smacna duct construction standards metal and flexible contains tables and details for all of your needs when it comes to commercial and institutional duct construction. Consideration must be given with restraining ducts to avoid development of excessive internal duct stresses caused by expansion or contraction due to temperature variations. Foreword this third edition of the smacna commercial metal and flexible duct construction standards is another in a long line dating from the 1950s. Round industrial duct construction standards, 2nd edition. See a list of many of our standard hangers below and if our standard hangers do not fit your ductwork application, we will fabricate what you need.
Smacna ridcs 1st edition 1977 has convenient tables for the material gauges for increased spans. Guidelines for seismic verification of hvac duct and damper systems p. This american national standard ansismacna 0062006 contains tables and details for constructing ductwork for. Ducts shall be supported at each change of direction and in accordance with smacna hvac duct construction standardsmetal and flexible.
If you like to sign up for a quick demo, please fill out our registration form, email us at. Hvac duct support smacna standard autodesk community. By conducting joint performance testing as described in section vii of the smacna hvac duct construction standards, 2nd ed. Dcs are shown on the contract drawings, they shall be constructed as though. Fabricate duct fittings to match adjoining ducts, and to comply with duct. Fibrous glass duct construction standards order no. Duct insulation and sealing requirements in commercial buildings continued ashrae 90. The structural components of a typical hvac duct system include the sheet metal ducts, stiffeners for the ducts, duct supports, and other inline components such as duct heaters, dampers, etc. Scribd is the worlds largest social reading and publishing site. Comply with ashrae fundamentals handbook and ashrae systems and equipment for design and fabrication of ductwork. Sheet metal and air conditioning contractors national. This guide is a compilation of accepted industry practices and construction techniques having received wide acceptance for the fabrication and installation of industrial duct. Rectangular industrial duct construction standards ip.
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