Blue Book. Fire resisting ductwork. Tested to BS 476 Part 24. 3rd edition. Volume 2 of 2 - Rules for assessment
Document Status
Current
Supplement
Core Supplement
Abstract
Intended to ensure that fire resisting ductwork (including smoke outlet/extraction ductwork) is correctly designed and installed in accordance with current UK legislative requirements. Provides information on current British Standard fire resistance and reaction-to-fire tests, together with recommended methods for appraisal systems for both direct and extended fields of application, and requirements for duct systems incorporating penetration seals, support systems and ancillary items. Identifies limitations in the scope of the guidance.
History
Supersedes Fire resisting ductwork - tested to BS 476 Part 24 (Blue book). British Standard version. 2nd edition (ASFP, 2011). See also, "Fire resisting ductwork - classified according to BS EN 13501 Parts 3 and 4 - European version (Blue book). 1st edition. (ASFP, 2009)". Amendment sheet: 31/08/17. Section All. New volume 3 produced to include all of existing assessment rules which were included in second edition of the Blue Book (BS) but which were omitted from third edition. 1/9/23. Section All. Text edited to correct a number of cross references (section 3 to 6). Table of duct sizes edited to correct mistake. Equations edited in 3.2.1.11 and 3.2.2.10 (d wrongly stated as L). Updated title and location of PFPF guide. Title amended to Vol 2 of 2, given withdrawal of data sheet volume. This document comprises 2 volumes.
ISBN
9781870409469
Subjects
- Ducts
- Ducts/flues/pipes
- Special subject areas
- Fire
- Smoke control
- Building services
- Health and safety
- Fire protection
Publisher History
Formed in 1975, the Association for Specialist Fire Protection currently represents the major U.K. based specialist manufacturers and installers of structural passive fire protection systems. They produce technical information to ensure built in fire protection in buildings.
Information
NBS
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
Accuris
We connect trusted knowledge to customers' workflows – mitigating risk, increasing efficiency and accelerating innovation For more than 60 years, leading R&D and engineering-intensive organizations have relied on us to achieve on-time, on-budget delivery of complex projects and new products. We deliver an unparalleled combination of technical content and Artificial Intelligence (AI) technologies to surface answers from the vast universe of technical knowledge, both inside and outside the organization. In a single interface, we connect the dots between information scattered across many different sources, allowing technical professionals to make better, more informed decisions faster.