Requires microsoft excel and a copy of accas manual d residential duct systems. Repair torn or damaged vapor barrierjacket with duct tape listed and labeled to standard. Ductwork taps shall be conical or clinch collar with 45 degree or boot connections. The sheet metal and air conditioning contractors national associations smacna new architectural sheet metal manual contains the latest windtest reports for custom architectural sheet metal, and much more. Download smacna hvac system duct design 2006 draft pdf free shared files from downloadjoy and other worlds most popular shared hosts. Smacna hvac duct construction metal and flexible 2005 table 52 allows for a maximum spacing of 12 feet. A number of duct fittings are used to illustrate airflow movement variations through a duct system. Although the mb815 is the standard base for duct supports. Air duct leakage hvac 2011 technical paper pdf file smacna published the hvac air duct leakage test manual in conjunction with the smacna hvac duct construction standards. Cleanliness for ducts detailed in new smacna guidelines. Nonexclusive, royaltyfree permission is granted to government and private sector. Supports are available in any of the version in revit inbuilt or have to d. For sheet metal duct work the space between the hangers should not exceed the distances listed below. In addition smacna 2005 stipulates the required wire size, rod, or strap required for proper support.
Smacna round industrial duct construction standards updated. Are all runs of flexible duct as straight as possible and free from unnecessary loops or bends. The aes duct specification shall state that duct construction shall, at minimum, meet smacna duct construction standards the aes duct specification shall state tha. About smacna smacnas mission is to provide products, services, and representation to enhance members businesses, markets, and profitability. One final note on support bracket installation, the high point bracket should be installed. Our policy towards the use of cookies techstreet, a clarivate analytics brand, uses cookies to improve your online experience. Smacna hvac duct construction standards free download.
According to smacnas website, the standard expands the scope of the. Chantilly, va the sheet metal and air conditioning contractors national association smacna has made available free copies of the second edition of the smacna cad standard on its website. Download smacna hvac system duct design 2006 draft pdf tradl. In order to read a secure pdf, you will need to install the fileopen plugin on your computer. If the return flow is not free to exit the space, the pressure will build up in the. Research proved that duct leakage could be well defined as a function of the static pressure and the surface area of the duct. With, you can upload files to the internet and share them to users via websites, forums, social networks facebook, twitter, etc. The support distance for ductwork is typical based upon deflection, stress and cylinder buckling analysis.
Smacna round industrial duct construction standards. The smacna iaq guidelines for occupied buildings under construction, second edition ansismacna 0082008, is intended as an authoritative source for providing project management guidance in maintaining satisfactory indoor air quality iaq of occupied buildings undergoing renovation or construction. Air distribution system installation and sealing flexible nonmetallic ducts should not have an airpermeable core. Nonwelded grease duct systems installation, operation. Source book for efficient air duct systems in europe. Lateral motion will not cause loss of vertical support. Disclaimer of warranties a the sheet metal and air conditioning contractors national association smacna provides its product for informational. Terminal devices shall be supported independently of the flexible duct. Foreground white black red green blue yellow magenta cyan opaque semiopaque. Round industrial duct construction standards, 2nd edition. The third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and institutional duct construction. Provide balancing dampers at supply, return, and exhaust branches when connected to larger ducts, as required, for air balancing.
Flexible ducts must be stretched to their full length and cut to fit not compressed using the minimum length required to make the connection. The grease duct system includes all components for a complete exhaust system from the hood to the exhaust fan inlet. The duct shall be constructed of steel a minimum of 0. Even with the proper net free area and sizing of the return duct, airflow can be restricted by. The round industrial duct construction standards, 3rd edition, 20, is. Flat seam roofs used in lowno slope areas or areas subject to flooding or standing water typically made from 20 x 28 sheets relative geometry is important fro expansion and contraction, sheet use efficiency, and wind load. Where fittings of configurations not shown in the hvacdcs are shown on the contract drawings, they shall be constructed as though they were therein. Principle of duct design in hvac systems cedengineering.
The listed grease duct is suitable for use in commercial cooking installations for the removal of smoke and greaseladen vapors. This standard is intended to provide useful information to the professional service provider psp to establish a basis of design. Copper or stainless steel is recommended lock and seal all joints, solder joints on slopes less than 3. Smacna 0162012 hvac air duct leakage test manual, 2nd.
The gutter system will not accommodate a slope greater than 18 in 10 one section, nor more than 12 in 40. Duct support systems the mapa master base assembly is designed for use as the platform from which various support configurations may be manufactured. These numbers assume that the product is correctly installed. Flexible duct that is not fully stretched has high airflow resistance and tends to sag. 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.
Our filtering technology ensures that only latest smacna hvac system duct design 2006 draft pdf files are listed. Drm is included at the request of the publisher, as it helps them protect their by restricting file sharing. Duct hangers and support information have been expanded and organized into a separate chapter which now includes. Flex ducts consist of a duct inner liner supported on the inside by a helix wire coil. Hello everyone, i am new to revit, and working in hvac field. It is intended to help commercial duct installation contractors, engineers and building owners towards achieving a clean, full. Earlier this month, smacna announced the availability of the revised round industrial duct construction standards, 3rd edition, 20, an american national standard, ansismacna 00520. Grease duct installations require provisions for cleaning the interior of the duct. Duct construction, including sheet metal thicknesses, seam and joint construction, reinforcements, and hangers and supports, shall comply with smacnas hvac duct construction standards metal and flexible and performance requirements and design criteria indicated in duct schedule article. Secure pdf files include digital rights management drm software. Ansismacna 0162012 hvac air duct leakage test manual, 2nd edition. Lateral motion will not cause damaging impact with other systems. Smacnas technical resources department fields several thousand technical questions annually from architects, engineers, manufacturers and government personnel. To retrace your path within a pdf document, click the.
They were placed on your computer when you launched this website. This second edition of the smacna commercial metal and flexible duct construction. Fibrous glass duct construction standards insulation institute. The duct shall not have openings that communicate the corridor with adjacent spaces or rooms. The 660 pagebook includes expanded tables for stainless steel and aluminum, expanded tables for duct sizes up to 96 inches in diameter, plus class 5 systems handling corrosives and spiral lockseam pipe. Ductwork support spacing tech brief 1 questioncan we use 14 foot support spacing for round spiral ductwork. Also covers details for connections to equipment and air terminals, hanger schedules, reinforcement requirements, fabrication of rectangular duct and fittings, closures of seams and joints, channel and tie rod reinforcements, plus hangers and supports. Smacna cad standard second edition v notice to users of this publication 1. One of smacnas most popular publications, the architectural sheet metal manual is newly revised and may be purchased in the smacna bookstore. Hvac duct support smacna standard autodesk community. Linx industries ductwork is designed and constructed in accordance with the requirements of this duct construction standard.
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