Specification for sheet metal ductwork low, medium and high pressure/velocity air systems. Second edition (Withdrawn)
Ductwork Specification DW/144
Document Status
Withdrawn
Supplement
Core Supplement
Series
Ductwork Specification
Abstract
Divided into eight main parts; scope; technical information to be provided by the designer; rectangular ducts; circular ducts; flat oval ducts; hangers and supports; ductwork related information and; appendices. Now includes expanded content related to: supports and hangers, smoke and fire dampers, external ductwork, internal duct linings, thermal insulation, air terminal units, fire-resisting ductwork and ductwork for swimming pools.
History
Superseded by DW/144 Specification for sheet metal ductwork. 3rd edition (BESA, 2016). Supersedes DW/144 Specification for sheet metal ductwork: low, medium and high pressure/velocity air systems (Appendix M revision 2002) (HVCA, 1998). DW/144 incorporates BES publication: Acceptance scheme for new products: rectangular cross joint classification (DW/TM1), which establishes performance ratings for both air leakage and deflection for cross-joints.
ISBN
9780903783644
Subjects
- Ducts/flues/pipes
- Ducts
- Building services
Publisher History
Now known as Building Engineering Services Association (BESA). Building and Engineering Services Association was the UK's leading professional body for building engineering services contractors. Founded in 1904, it added value to members' businesses by providing quality services, promoting excellence and shaping the commercial environment through representation and leadership. Represented the interests of firms active in the design, installation, commissioning and maintenance of heating, ventilating, air conditioning and refrigeration (hvacr) products and equipment. Formerly known as Heating and Ventilating Contractors' Association (HVCA).
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.