Current
Core Supplement
Technical Report
Focuses on improving indoor air quality in buildings, covering the risks to human health resulting from airborne pathogens and particulate matter.
Supersedes TR 19: 'Guide to good practice. Internal cleanliness of ventilation systems. 3rd edition' (BESA, 2019). DW/TM2 first edition published 1991. TR17 second edition published 1998. TR19 third edition published 2005. TR19 revised edition published 2013. TR19 revised edition excluding kitchen extract information published 2019. TR19 Grease first edition - a new standalone document published 2019. TR19 Air first edition - a new standalone document published 2024. Version 1 dated April 2024.
9781739187316
A trade organisation meeting the needs of building engineering services contractors involved with design, installation, commissioning, maintenance, control and management of engineering systems and services in buildings. It was established in 1904 as the National Association of Master Heating and Domestic Engineers and has been through a few name changes since, including: Heating and Ventilating Contractors' Association (HVCA) and from 2012 it was the known as the Building and Engineering Services Association (BES).
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.
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.