TR/19 Guide to good practice. Internal cleanliness of ventilation systems. 2nd edition
Establishes a level of particulate cleanliness verification for both new and existing ventilation systems and an indication of when it is considered appropriate to clean systems in use. Includes a section on kitchen extract systems. Establishes levels of grease surface deposit at which it is appropriate to clean a kitchen extract ventilation system and at which post-clean verification is achieved. Includes guidelines to ensure that new ductwork systems remain protected during the installation period and prior to commissioning.
Supersedes TR19 Guide to good practice. Internal cleanliness of ventilation systems. (HVCA, 2005). First published as DW/TM2 (1991 and TR/17 (1998). Second edition (2002), TR/19 (2005) and TR/19 (2013).
Building and Engineering Services Association
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).
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