British Standart 9999:2008 covers Inspection and maintenance of ventilation and air conditioning ductwork and states that:
“… all fire dampers to be tested by a competent person on completion of the installation and at regular intervals not exceeding 2 years. Spring-operated fire dampers should be tested annually and fire dampers situated in dust-laden and similar atmospheres should be tested much more frequently at periods suited to the degree of pollution”.
Fire Safety Legislation Compliance
Fire safety law changed in October 2006 with the introduction of the Regulatory Reform (Fire Safety) Order 2005. It is now employer’s responsibility to maintain their fire safety systems.