DSP DW/154 Specification for plastics ductwork
Relates to the manufacture and installation of rectangular and circular ductwork constructed from plastics.
Replaces DW/151. Rebranded to BESA.
Heating and Ventilating Contractors' Association
Now known as Building and Engineering Services Association. The Heating and Ventilating Contractors' Association represented those responsible for the design, installation, commissioning and maintenance of heating, ventilating, air conditioning and refrigeration products and equipment. HVCA changed name to the Building and Engineering Services Association (B&ES) on Thursday 1 March 2012.
34 Palace Court