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The industry's comprehensive Specification for the manufacture and installation of sheet metal ductwork
DW/144 is the Standard Specification for ductwork manufacture and installation and is aligned to all current BS, BS EN ISO and other standards and regulations. It defines specifications for sheet metal ductwork for low, medium and high pressure/velocity air systems and covers ductwork application, materials, classification and air leakage. It highlights the technical information to be provided by system designers to ductwork contractors and looks in detail at rectangular, circular, and flat oval ductwork. It also contains updated information on hangers and supports, smoke and fire dampers, external ductwork, internal duct linings, thermal insulation, air terminal units, with many clear reference tables.
Hi, I am planning to purchase a digital copy, is it printable?
Posted by: Kin Wai CHAN at 2/28/2019 9:35:39 AM
Show Replies (1) Hide RepliesThere are no printing restrictions on the pdf so you are free to print as many copies as you wish for your company. However, please be mindful of the copyright laws if you distribute the publication externally.
Mark Oakes at 2/28/2019 10:12:12 AM
Hi is there any guide lines on what a self-employed ductwork pair should be on p/h
Posted by: Ross Cruickshank at 4/26/2019 7:45:12 PM
Show Replies (1) Hide RepliesUnfortunately, we do not negotiate on behalf of, or publish pay rates, for self-employed individuals. However, if you wish to know the hourly rates that we publish for directly employed individuals, then the latest of these are contained in JCC Letter 120 available on the BESA website https://www.thebesa.com/media/3225/jcc-letter-120-2018-2020-na-operative-wage-settlement-020718.pdf .
Mark Oakes at 4/29/2019 9:14:18 AM
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