Hvac duct construction standards - metal and flexible pdf

This reference contains tables and details for constructing duct work from. Resin used shall be the hetron 197 for its fire retardant and corrosion resistant properties. Book by sheet metal and air conditioning contractors national association, 2005. The hvac duct construction standards 3rd edition is the guide you need for commercial and institutional duct construction. Existing metal ducts shall be permitted to be used where cooling coils are added to a heating system, provided the first 10 feet 3048 mm of the duct or plenum measured from the cooling coil discharge are constructed of metal of the gauge thickness in accordance with smacna hvac duct construction standards metal and flexible. Smacna hvac duct construction standards metal and flexible, 3rd ed. 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. Overall hvac duct system design issues are beyond the scope of this standard. 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. The third edition of the hvac duct construction standards u metal and flexible is intended primarily for commercial and institutional duct construction.

The third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and institutional duct construction. Hvac duct construction standards metal and flexible. Codes and standards that are standard at the university. This edition improves upon the second edition with expanded pressure class tables, separate tables for tdctdf construction and. 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.

Since all flexible ducts are not alike, use the flexible duct manufacturers air friction loss data to size the ducts whenever possible. The majority of ducts are constructed of metal and installed by tradesmen called sheet metal workers. Comply with smacnas hvac duct construction standards metal and flexible, chapter 3, round, oval, and flexible duct, based on indicated staticpressure class unless otherwise indicated. This american national standard ansismacna 0062006 contains tables and details for constructing ductwork for. Hvac duct construction standards metal and flexible, 3rd edition 2006 smacna. Hvac duct construction standards metal and flexible snips.

Naima fibrous glass duct construction standards smacna hvac duct construction standards, metal and flexible ul heating, cooling, ventilating and cooking equipment directory ul standard 181 factorymade air ducts and air connectors ul standard 181b closure systems for use with flexible air ducts and air connectors. Smacna duct construction standards download smacna standards for duct construction, metal and flexible for hvac systems. Use the minimum length of flexible duct needed to make the connections. Diffusion council adc publication, flexible duct performance and installation standards. Smacna duct construction free download as pdf file. If no data is available, use the generic flexible duct friction loss chart in acca manual d. Available in pdf or cd only 1st edition, 2009, 146 pages. This edition improves upon the second edition with expanded pressure class tables.

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. The standard contains tables and details for constructing ductwork for. Fibrous glass duct liner standard hvac duct construction. Fabricate, support, install, and seal in accordance with smacnas hvac duct construction standards, metal and flexible. When installing rectangular ducts using flexible liner, metal nosings shall be used on the upstream edges of. Smacna standard ansismacna 006 hvac duct construction. Hvac duct construction standards metal and flexible rs34. Hvac ducting principles and fundamentals 2012 instructor. Hvac duct construction standards metal and flexible s second. Ansismacna 0062006 hvac duct construction standards eli p. Seismic restraint manual guidelines for mechanical oshpd.

Smacnahvac duct construction standardsmetal and flexible, third edition 2005. Ansismacna 0062006 hvac duct construction standards. Sheet metal and air conditioning contractors national. Schedules have been standardized on minimum thickness rather than nominal thickness of sheet metal a major change. Certified copies of these tests are available upon request. Hvac sound and vibration manual, 1st edition 2002 smacna.

Download smacna standards for duct construction, metal and flexible for hvac systems. A comprehensive duct layout indicating sizes, design airflows, pressure class. Hvac duct construction standards metal and flexible smacna. Hvac systems testing, adjusting and balancing, 3rd edition. Vertical riser supports shall be installed at maximum spacing intervals of. Hvac duct construction standards, metal and flexible. Offers guidance on hvac equipment early startup and duct cleanliness for new construction. Air flow problems have plagued the hvac industry for years.

Smacna 1981 pdf smacna 2005 pdf smacna duct construction smacna third edition 2005 smacna 2005 3rd edition smacna round duct smacna hvac duct construction smacna testing adjusting balancing smacna standard 3rd edition. Smacna 0062006 hvac duct construction standards metal and. Hvac duct construction standards march, 2010 presented by. Fibrous glass duct liner standard hereinafter referred to as naima fgdls, or of the sheet metal and air conditioning contractors national association hvac duct construction standards metal and flexible hereinafter referred to as smacna hvac dcs or the manufacturers recommendations. Smacna hvac duct construction standards metal and flexible, third edition 2005. The standard contains tables and details for constructing ductwork for 12 to 10 wg positive and negative pressures. Documents preceding 3rd edition hvac dcs hvac duct construction standards metal and flexible. Hvac duct systems inspection guide, 3rd edition 2004 smacna. This american national standard ansismacna 006 contains tables and deta. Hvac duct construction standards metal and flexible, 3rd. Hvac duct construction standards metal flexible smacna.

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. Smacna duct construction standards metal and flexible. Where fittings of configurations not shown in the hvac dcs are shown on the contract drawings, they shall be constructed as though they were therein. This american national standard ansismacna 0062006 contains tables and details for constructing. Smacna sheet metal and air conditioning contractors. The standard contains tables and details for constructing ductwork for o to 10o wg positive and negative pressures. Smacna sheet metal air conditioning contractors national association hvac duct.

Ducting may be categorized according to the materials of construction and are either metallic or nonmetallic ducts. Smacna hvac duct constructions standards questions. As an ansiaccredited standards developing organization, 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. This american national standard ansismacna 006 contains tables and details for constructing ductwork for. In fact, sheet metal use in hvac is greater than all other materials combined. Smacna hvac duct constructions standards questions part 1 1. Howard, iii sheet metal and air conditioning contractors national association.