Click here to purchase the full version from the ansi store. Seismic restraint manual guidelines for mechanical oshpd. Linx industries ductwork is designed and constructed in accordance with the requirements of this duct construction standard. 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. Exhaust ducts must withstand a negative pressure of 1. The american national standard ansi smacna 0112017 contains language. The majority of this standard is based on the model building code evaluation service 2 acceptance criteria titled acceptance criteria for grease duct enclosure assemblies, ac101, which was created in 1994. Static pressure plus velocity pressure equals total pressure. Smacna round industrial duct construction standards. In addition to the above any variable air volume system duct of 1 and. Other radii and vaned elbows are available as needed. Hvac duct systems inspection guide, 3rd edition 2004 smacna. Advice to consult the smacna hcva air duct leakage test manual was entered. According to smacnas website, the standard expands.
Smacna cad standard second edition v notice to users of this publication 1. Available in pdf or cd only 1st edition, 2009, 146 pages. Standard test methods for fire resistive grease duct. Rectangular industrial duct construction standards. The research also led to the development of the smacna hvac air duct leakage test manual 1st edition. Duct construction, including sheet metal thicknesses, seam and joint. Principle of duct design in hvac systems cedengineering. Earlier this month, smacna announced the availability of the revised round industrial duct construction standards, 3rd edition, 20, an american national standard, ansismacna 00520. Ansismacna 0062006 hvac duct construction standards. This american national standard ansi smacna 0062006 contains tables and details for constructing ductwork for. Smacna technical manuals pmsmca plumbing mechanical sheet. In this context, indoor air quality is becoming more of an. Disclaimer of warranties a the sheet metal and air conditioning contractors national association smacna provides its product for informational. The current 2014 state of the art for air leakage in.
This american national standard ansismacna 0062006 contains tables and details for constructing ductwork for. Hvac ductwork design must ensure the transportation of sufficient amounts of heated and cooled air to keep indoor spaces comfortable. Also, both options have been shown, so as to provide this manual as a quick reference to smacna standards. Furnish duct listed by ul at flame spread rate of not over 25 and smoke developed rate of not over 50, and complying with nfpa. Revised to be in compliance with smacna hvac duct construction standards, 2nd ed. Standards even includes a test procedure where all joints are surveyed for audible leaks that can immediately be. Ashrae spc215p takes duct testing to a new level by specifying the methods of duct testing to be used to determine leakage.
Smacna 0062006 hvac duct construction standards metal. This edition improves upon the second edition with expanded pressure class tables, separate tables for tdctdf construction and expanded tables for round duct construction including 6 wg positive and negative pressure and. Source book for efficient air duct systems in europe. However, proprietary products such as the aircon flange 4 bolt system represent advances in the. Hvac duct construction standards metal and flexible. Hvac duct construction standards metal and flexible rs34. Resin used shall be the hetron 197 for its fire retardant and corrosion resistant properties. Ductwork taps shall be conical or clinch collar with 45. Smacna round industrial duct construction standards updated. Smc tdc, slipdrive and raw sheet metal connectors, inc. However, proprietary products such as the aircon flange 4 bolt system represent advances in the construction of ductwork which are not included in. Smacna hvac duct construction standards contains all the construction standards for duct construction including rerated rectangular, round, oval and flexible duct constructions for positive or negative pressures up to 10 inches water gage 2500 pa. This special edition of the smacna seismic restraint manual oshpd edition has been developed to meet the specific requirements of the california office of statewide health planning and development oshpd for hospital and health care facilities construction.
The results of these certified tests which permit the variation are shown on the back page of this manual. To retrace your path within a pdf document, click the. If local documents are more stringent than smacna standards, they should be used as the duct standard for any particular project. If the designer does not designate pressure class for duct construction on the contract drawings, the basis of compliance with the smacna hvac duct construction standards is as follows. Mechanicalheating, ventilation, and air condition ing return ducts to be demolished. The seismic hazard tables with this special edition are. Hvac duct construction standards metal and flexible, 3rd.
This edition improves upon the second edition with expanded pressure class tables. Research proved that duct leakage could be well defined as a function of the static pressure and the surface area of the duct. Rectangular duct construction standards aircon flange. 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. Provide balancing dampers at supply, return, and general exhaust branches when connected to larger ducts, as required, for air balancing. Hvac duct construction standards metal and flexible, 3rd edition 2006 smacna. Thermoset frp duct construction manual, 2nd edition 2012 smacna. Thirty of smacna s most requested technical manuals are conveniently located in pdf format with searchable indexes on one cdrom. Includes a spiral duct chapter for classes 1 and 2, covers design pressures ranging from 30 wg negative to 50 wg positive, plus carbon and galvanized steel tables. Ashrae, smacna, latest code updates for industry duct leakage. 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. Corporate headquarters sheet metal connectors, inc. The standard is applicable for construction using uncoated steel, galvanized and stainless steels and a limited range of aluminum ducts. Ductwork taps shall be conical or clinch collar with 45 degree or boot connections.
Pressure in the ductwork is measured in inches of water column inwc. In addition smacna 2005 stipulates the required wire size, rod, or strap required for proper support. Fibrous glass duct construction standards insulation institute. This edition improves upon the second edition with expanded pressure class tables, separate tables for tdctdf construction and expanded tables for round duct construction including 6 wg positive and negative pressure and sizes up. Ehgs ductwork is designed and constructed in accordance with the requirements of this duct construction standard. The north american insulation manufacturers associa tion naima presents this. Gustafsons ductwork is designed and constructed in accordance with the requirements of this duct construction standard. A number of duct fittings are used to illustrate airflow movement variations through a duct system. Deliver all materials andor fabricated, insulated duct sections and fittings to the job site and store in a safe, dry place. Tima test procedure ahs 15176t thermal performance astm d93. With, you can upload files to the internet and share them to users via websites, forums, social networks facebook, twitter, etc. The third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and institutional duct construction.
According to smacnas website, the standard expands the scope of the. This authoritative manual is one that design engineers, industrial engineering departments, pollution control authorities, fiberglass manufacturers and installation contractors can rely upon for the proper selection, manufacture, and installation of frp duct systems. Smacna 1922 rectangular industrial duct construction standards inchpound version ansi 0022011 standard by sheet metal and air conditioning contractors national association, 08012004. Duct construction standard metal and flexible 2nd edition 1995, and the current smacna duct construction standard hvac duct construction standards.
All round spiral duct and fittings shall be manufactured from g90 galvanized steel, conforming to astm and smacna standards. Rectangular duct construction standards the duct construction standards manual provided to the sheet metal industry by smacna is the most widely used construction guide for engineers and contractors. Typical materials used to make up ductwork are galvanized steel that. Fibrous glass duct liner standard hvac duct construction. This new guideline reflects the industrys growing understanding of the major role duct leakage plays in overall building. It adopts a tiered approach to testing first test 20% of the ductwork. Standard material for the inner shell of fittings is solid steel. The standard gauges also required by smacna 2005 are also required. Section 233300 air duct accessories for dampers, soundcontrol devices, ductmounting access doors and panels, turning vanes, and flexible ducts.
Smacna 0062006 hvac duct construction standards metal and. The american national standard ansismacna 0112017 contains language. Smacna hvac duct construction standards free download. Smc manufactures coil line ductwork in 456 lengths. This standard has been adopted in the icc international mechanical code. Predicted leakage rates in unsealed ducts were omitted. The standard contains tables and details for constructing ductwork for. Ashrae, smacna, latest code updates for industry duct. About is a free online file hosting and file sharing service founded in 2014. Smacna hvac duct construction metal and flexible 2005 table 52 allows for a maximum spacing of 12 feet. Use a supply duct rated at a minimum positive working pressure of 112 inches of water. Spiral pipe 3 16 26 18 26 24 28 40 22 42 50 20 52 84 18 gauge schedule.
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