DW/172 Specification For Kitchen Ventilation Systems

DW/172 is the definitive industry standard for designing, installing, and maintaining commercial kitchen ventilation systems. Published by the Building Engineering Services Association (BESA), it reflects current legislation, modern cooking techniques, and advancements in catering equipment design.

Background

Introduced initially as DW/171 in 1999 and revised to DW/172 in 2005, this specification has sold over 6,000 copies and is widely recognised across the UK and internationally as the authoritative reference for kitchen ventilation design.

The Second Edition (2018), updated by BESA’s Ventilation Group, incorporates major technical revisions to meet evolving industry requirements.

Key Updates In The 2018 Edition

• Expanded appliance coefficient schedules for improved airflow calculation.
• Revised grease separation methods to enhance safety and performance.
• Modernised lighting standards for kitchen environments.
• New sections cover solid fuel appliances, demand-controlled kitchen ventilation (DCKV), and recirculation systems.

Addendum May 2024: See Appendix D for updated guidance on fire-resisting and smoke-control ductwork (Section 19.1).

Who Should Use This Specification

Essential for building services engineers, kitchen designers, mechanical contractors, and professionals involved in the planning, design, installation, or maintenance of commercial kitchen ventilation systems.

Published Date: 1 October 2018
Number of Pages: 88
ISBN: 0-903783-29-0
Publisher: Building Engineering Services Association (BESA)

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