BSI - CP 413
Code of Practice for Ducts for Building Services
|Publication Date:||31 July 1973|
|ICS Code (Protection against fire in general):||13.220.01|
|ICS Code (Ventilation and air-conditioning systems):||91.140.30|
Deals with the design and construction of subways, crawlways, trenches, casings and chases for the accommodation of services within buildings and external ducts. Position , dimensions, safety precautions and control of hazards. Fire precautions in builders' or structural ducts and, as an appendix, fire precautions for ventilation ductwork.