Fire Dampers can be used for avoiding fire, so proper steps ought to be taken for correct repair off these dampers. It will pay to avoid multiplication of fireplace which can be caused in the ductwork and in addition prevent transmission of flame where ductwork penetrate fire barriers.
Initially, proper testing should be carried out during its installation which is operational testing should be carried out of fireplace damper to make sure it is functional then there is full usage of it too since it's components, verification ought to be done that the products are placed properly within their spots, along with other important verifications. All of this testing done should then be documented that has all detailed information about the fire damper and instructions regarding its installation.
After the amount of 12 months of installing fire and smoke dampers, it is crucial to become inspected based on the National Fire Protection Standard and so the frequency should be every 4 years and 6 years for hospitals.
The following activities must be performed during inspection:-
1] The fusible link 165 degree where it really is applicable ought to be removed for testing purpose.
2] All dampers ought to be operated so as to verify that they close properly and fully to avoid spread of fireplace.
3] When the latch is being provided than it needs to be checked and moving parts lubricated if needed.
4] There isn't any interference due to rust, misalignment, damaged frames or blades, defective hinges or parts, or bent tracks should be confirmed.
5] All inspections done of fireplace and smoke dampers ought to be documented properly including the details just like the location of inspection, date of inspection, inspector, and applicable deficiencies.
6] When the damper isn't operating properly than the repairs shall begin without having done any any delay.
Smoke dampers are meant for installation in ducts and air transfer openings which are specially designed to resist the passage of air and smoke. Other security precautions which needs to be taken care of are:-
• It must be checked over a proper basis the external components of each damper for signs and symptoms of physical damage, obstructions preventing proper functioning, defective and missing parts, and proper labeling.
• Verification ought to be done regarding the proper sealing with the damper.
• Be sure that the damper is able close fully.
• There shouldn't be blockage in the closure and must not penetrated by foreign objects as it affects fire damper operations.
• It must be ensured when fusible link is damaged compared to being substituted for a link of the size, temperature, and load rating.
Thus testing and safety measures are necessary to become done so concerning ensure that it works at its best during fire and life safety event where it is most critical to operate. It is necessary for doing inspections regularly in order that the system is always ready because we can't predict once the unexpected event is going to occur.