BS Specification for identification of pipelines and services. Method of test for fire propagation for products.Īll penetrations of the duct shall be fitted with suitable seals where necessary. DW standard – Pro-Duct Cleanįire dampers must not be used. Appendix M revised August They should be able to provide competent information, but this should be checked too.
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The contract should clearly indicate: A CDM Co-ordinator has to be appointed by the client if a project lasts more than 30 days or involves more than person days of work, and he is required to advise and assist the client on how to fulfill their duties.ĪDB gives guidance on fire safety information if required at building completion or occupation – whichever is earlier. During application and any curing, consideration should be given to ambient temperature and humidity requirements. Flexible ducts shall be securely fastened at each end using a proprietary band such as a plastic tie-wrap. This is because, if a duct under a negative pressure fails a leakage test, it is impossible to identify the leakage paths.
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Kent Ductwork manufactures standard galvanised ducting to the DW specifications, which achieves all of the current BS, EN & ISO standards. DW/ is recognised throughout the UK as the Standard Specification for ductwork manufacture and installation. HVCA DW August 16, | Author: pheed5 | Category: Duct (Flow), Specification (Technical Standard), Screw, Building, Building Engineering.
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