Dcs are shown on the contract drawings, they shall be constructed as though. Hvac system quality installation rater checklist guidebook. Hvac air distribution products construction materials sweets. Center tie rod tie rods are 12 emt if mpt midpoint tie rods are used, the reinforcement spacing is based on 212 references. Ansismacna 0062006 hvac duct construction standards. The standard contains tables and details for constructing ductwork. The third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and institutional duct construction. The va office of construction and facilities management cfm supports the departments mission through development and application of standards as a. Lowvelocity design will lead to larger duct sizes, but it may be worth since, doubling of duct diameter.
Air flow problems have plagued the hvac industry for years. Hvac plans are used to make and maintain systems of heating and air conditioning. This section provides for furnishing and installing low velocity and high velocity ductwork and includes duct construction and accessories. The table below can be used to compare equivalent diameters for rectangular and round circular ducts, ductwork sizing, friction loss, sheet metal gauges, etc. Download free mep calculation excel sheets, autocad. It is important to read the entire installation manual prior to beginning. Air conditioning and ventilating systems sheet metal and air conditioning contractors national association smacna smacna 1966 2005 hvac duct construction standards metal and flexible, 3rd edition smacna 1987 2006 hvac duct. Aqc industries, 2920 centre pointe drive, roseville, mn 551, 8777831520 2. Where fittings of configurations not shown in the hvac. However, if satisfactory duct system performance is to be achieved, it is important for the system designer to calculate hvac loads on a roombyroom basis and to size ducts. This american national standard ansismacna 0062006 contains tables and details for constructing ductwork for. These documents were the source for many of the recommendations made in these guidelines. Integration of hvac system design with simplified duct distribution building america research has provided critical guidance for designing hvac systems in highperformance homes with low heating and cooling loads. Smacnahvac duct construction standardsmetal and flexible, third edition 2005.
The heating, ventilation, and airconditioning hvac system is arguably the most complex. Expect installation times to vary widely from job to job, from crew to crew, and even for the same crew from day to day. Offers guidance on hvac equipment early startup and duct cleanliness for new construction. 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. This guide for home energy raters presents guide details that serve as a visual reference for each of the line items in the hvac system quality installation qi rater checklist. Smacna standard ansismacna 006 hvac duct construction. The standard contains tables and details for constructing ductwork for. If duct cleaning is determined to be the best option. Test methods for pressure sensitive tapes pressure sensitive tape council. Lowvelocity ductwork design is very important for energy efficiency in air distribution systems. Product detail sheet metal and air conditioning contractors. Download hvac duct construction tables according to smacna and rule of thumbs pdf.
Provide balancing dampers at supply, return, and general exhaust branches when connected to larger ducts, as required, for air balancing. Duct sizing and construction tables according to smacna pdf. Figure 3 interior duct chase, with supply register interior duct system design and construction considerations developing standardized design and detail guidelines usually an interior duct system is installed either in a furdown chase below the ceiling insulation or in a furup chase in the attic and insulated with the ceiling. Ansismacna 0062006 hvac duct construction standards eli p. Standard for safetyfactorymade air duct materials and air duct connectors ul 181 underw riters laboratories, inc. Hvac plan is an important part of building planning. 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. Hvac duct construction standards metal and flexible rs34. Resin used shall be the hetron 197 for its fire retardant and corrosion resistant properties. Hvac duct construction standards, metal and flexible, 1 st edition, 1985smacna hvac air duct leakage test manual, 1 st edition, 1985smacna. Smacna hvac phenolic duct construction standards part 2 products 2. The purpose of residential ductwork design is to properly distribute. 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. Provide flexible duct connection on all rotating equipment.
You can twist an electrical wire into a pretzel and it will still transmit electricity. Smacna hvac duct construction standardsmetal and flexible, third edition 2005. Advantages high strength, rigidity, durability, rust resistant, availability, nonporous, workability and weldability. Clicking on a companys name will take you to their web site. No manhour estimate fits all jobs because every construction project is unique. Metal and flexible 2nd edition 1995, and the current smacna duct construction standard hvac duct construction standards. This 2017 va hvac design manual for the department of veterans affairs va healthcare facilities is the only detailed design requirements manual for va.
It is developed for private family houses as well as for apartment and public buildings. Acces pdf smacna duct construction standards 2005 smacna duct construction standards 2005 if you ally obsession such a referred smacna duct construction standards 2005 books that will give you. Transition duct sizes gradually, not exceeding 20 degrees divergence and 30 degrees convergence. Highvelocity hv duct systems are characterized by air velocities in the range of 2500 to 3500 fpm. Pdf smacna commercial duct design vuong le academia. Howard, iii sheet metal and air conditioning contractors national association.
Related commercial resources ashrae handbook hvac systems and equipment chapter. All information provided in this document is to be used as a guideline only. Duct construction 91599 international training institute 1 duct constructionduct construction commonly used materials galvanized steel applications widely used as duct. The research also led to the development of the smacna hvac air duct leakage test manual 1st edition. Smacna design smacna duct construction smacna round duct smacna testing adjusting balancing smacna sheet metal manual smacna hvac duct construction. Understanding basic residential ductwork design please note. Hvac duct construction standards, and the national electrical code. Manhour estimates in this book will be accurate for some jobs and inaccurate for others. This american national standard ansismacna 0062006 contains tables and details for constructing ductwork. Ducts conforming to nfpa 90a or 90b shall meet the following requirements. Free ductwork tables for sizing and construction of hvac air ducts. Dec 5, 2018 download hvac duct construction tables according to smacna pdf free ductwork tables for sizing and construction of air ducts. In keeping with its policy of disseminating information and providing standards of design and construction, the sheet metal and air conditioning contractors national association, inc. Hvac duct construction bob wasilewski project manager, technical.
Hvac duct construction standards metal and flexible. The purpose of residential ductwork design is to properly distribute the airflow, produced by your heatingcooling system, to your house. Hvac plans how to create a hvac plan hvac business. Provide balancing dampers at supply, return, and exhaust branches when connected to larger ducts, as required, for air balancing.
Pdf smacnahvac duct construction standards darrell. Integration of hvac system design with simplified duct. Hvac duct construction standards metal and flexible smacna. Smacna, offers this comprehensive fundamental hvac systems. The third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and. Overall hvac duct system design issues are beyond the scope of this standard. Pressure duct construction standards third edition 1975duct liner. Edition 2005 smacna round duct smacna 2005 3rd edition smacna duct construction smacna testing adjusting balancing smacna hvac duct construction. The following tests of rectangular duct sections and transverse joints were conducted in accordance with section vii of the smacna hvac duct construction standards, 2nd ed. Hvac ducting principles and fundamentals 2012 instructor. Ductwork diy heating and cooling product sales for the doityourself home owner.
Fibrous glass insulated hvac duct systems 3 sheet metal ducts lined with fibrous glass insulation fibrous glass duct liner insulation is designed for application to the interiors of commercial and residential sheet metal heating, ventilating, and airconditioning ducts. Fibreglass duct board is insulated and sealed as part of its construction. Nepereny smacna the sheet metal and air conditioning contractors national association, inc. Principle of duct design in hvac systems cedengineering. Download hvac duct construction tables according to smacna pdf free ductwork tables for sizing and construction of air ducts. Master specifications division 23 heating ventilating and air. Guidelines for inspection of commercial hvac duct systems for compliance with smacnas hvac duct construction standards, metal and flexible, and smacnas fibrous glass duct construction standards. The standard contains tables and details for constructing ductwork for 12 to 10 wg positive and negative pressures. Hvac duct construction standards smacna subscriptions.
This section provides for furnishing and installing low velocity and high velocity ductwork and includes duct construction. Qduct exterior ductwork is to be a double layered duct system using the pal phenolic duct. Download hvac duct construction tables according to smacna. Duct construction 91599 international training institute 1 duct constructionduct construction commonly used materials galvanized steel applications widely used as duct material for most air handlinggy systems. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct.
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