In accordance with the SMACNA Duct Performance Test Standard No. of the SMACNA HVAC Duct Construction Standards, Third Ediction, the C.L. THIRD EDITION – SHEET METAL AND AIR HVAC Duct Construction Standards Metal and Flexible • Third Edition SMACNA expresses appreciation to the many who have offered suggestions for constructive improvement in the fab-. AND. SUBMITTAL DATA. ENGINEERING SPECIFICATIONS. Revised to be in compliance with SMACNA HVAC. Duct Construction Standards, 3rd ed., 8th.

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This edition clarifies design criteria, improves consistency in symbols from different reference technical papers, and provides guidance for reinforcement of stack openings, as well as construction in the soft metric system. Identified as DALT by some government agencies. The manual incorporates the current technology available for contractors and designers to provide a state-of-the-art system. This handbook is a compilation of accepted industry practices for the construction of duct systems designed to convey air and gases that usually contain particulate or corrosive aerosols.

Included are new tables for stainless steels and aluminum, plus expanded chapters on materials, welding practices, and a guide specification.

Checklists are included for ductwork and fire dampers. The manual also updates the technical aspects of IAQ with regard to typical contaminants found in today’s facilities. Metric units have been provided in a smana convenient format, as well as an updated inspection checklist. Also covered are forced air heating, heat pumps, automatic control thermostats, flues and sound and vibration.

It gives guidance in understanding these synthetic materials, as well as assistance in determining their strengths, corrosion resistance and standars over other materials.

To be used as a supplement to the unit atandards specific installation instructions. In addition to generic detail drawings, design data and the appendixes will help users to adapt the drawings to local climate and project conditions.

The new edition includes a more extensive list of bracing options and has been revised to comply with current building codes all within a single document for user convenience. This publication is intended to assist the designer, euct and plant engineer in understanding and solving the complexities involved in the design, fabrication and installation of sheet metal lagging systems.

It contains negative pressure construction for 4″ w. This publication and the wealth of information it contains are intended to assist contractors, estimators and shop supervisors in profitably managing the welding activity in a sheet metal shop.


Can be used for positive and negative pressure tests. Variable air volume, multi-zone, dual duct and exhaust air systems are examples of the systems specifically covered and time-saving forms are included for precise record keeping during the conduct of a TAB project.

This calculator, complete with detailed instructions, enables HVAC system designers to design an average duct system without additional references. Provides guidance for HVAC system selection, operation, and design. A thorough explanation of recommissioning leads conztruction through the preliminary investigation, survey and documentation phase, the design and installation of system modifications, and the actual recommissioning test.

It applies to the commercial industrial and institutional markets. It reviews materials and reinforcement of duct systems, as well as assembly and supports of ducts.

Sections include load calculations, duct design, duct construction, insulation, vents, air terminals, control applications, system specifications and other updated industry equipment and methods for residential systems. The guide assists TAB technicians with preplanning and constructuon teams so that energy use is minimized etandards the work is done in new or existing buildings.

This user-friendly revised edition uses figure numbers – not plates. Timesaving IAQ tracking forms can be modified to meet specific contractor needs. Also covered are 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. This new manual provides building owners, facility managers, contractors, and system designers with the tools needed to evaluate an existing facility for energy savings potential.

An invaluable inspection resource for owners of standing seam, batten seam, or Bermuda-type roofs. The only calculator in the industry to include the 0. About Us Benefits and Services. A companion to HVAC Duct Construction Standard – Metal and Flexible, this manual contains duct construction leakage classification, expected leakage rates for sealed and unsealed ductwork, duct leakage test procedures, recommendations on use of leakage testing, types of test apparatus and test setup and sample leakage analysis.

HVAC Duct Construction Standards – Metal and Flexible 3rd Ed by Smacna (, CD-ROM) | eBay

Updated coverage of welding processes; flux-cored wire guidelines; and the latest equipment. Clarifies and segregates the design of copings versus gravel stop and fascia. This guide provides contractors an overview of a variety of HVAC aftermarket business opportunities, allowing them to select those that might provide the greatest return on investment consistent with market forces in their local area.

Individual chapters detail system information for controls, multizone, dual duct, terminal reheat, variable air volume, induction and special applications such as dedicated outside air and thermal energy storage. 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 systems handling corrosives, and spiral lockseam pipe.


Other topics covered are testing and identification and source mitigation. New sections covering VFD, DDC, lab hood exhaust balancing, and the latest changes in balancing equipment and procedures are included.

HVAC Duct Construction Standards – Metal and Flexible

Also included is an appendix that provides application details for the seismic bracing of food service equipment. Emphasizes the importance of regular and appropriately timed inspections because a small problem discovered early can be fixed at a low cost, preventing minor damage from becoming a substantial problem until the cost of repair and remediation becomes excessive.

This CD contains all figures in DXF format that are used to illustrate the best practices in architectural sheet metal work. This fully illustrated manual provides full construction details and standards for PVC ducts of 2″, 4″, and 10″ w.

The process works effectively for projects both large and small, simple as well as complex. This American National Standard ANSI expands the scope of the version, updating original text to incorporate a revised theory of design, new materials and more “user friendly” tables.

This publication is intended to assist the designer, contractor and plant engineer in understanding and solving the complexities involved in the design, fabrication and installation of sheet metal lagging systems 1st Edition,52 pages: 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.

The appendices on smoke control and smoke detectors have been revised to reflect the current technology and requirements for those applications. The manual shows how very low- and very high-risk areas of the country can be accommodated.

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The new edition has been updated from the edition and includes updated code references, NFPA references, and expanded guideline notes as to the details of damper installation. Building Systems Analysis and Retrofit Manual. Contractors will find this book a valuable resource to provide owners or facility managers along with the standard building completion documents.