Fire alarm system
Brayford Designs were engaged by a commercial customer to develop a fire detection and alarm system that would operate a failsafe to trigger automatic opening of magnetically locked doors. The plans had to comply with Approved Document Part B (fire safety) and be approval by the Fire department.
The premises had undergone a transformation into a series of escape room scenarios, with many rooms being sub divided to offer a staged progression through the experience. Many of the doorways linking to sub divided rooms were controlled by magnetic locks.
These were released as certain challenges were completed. This posed a challenge when designing a safe method of evacuation as some occupants may be behind a door that is magnetically sealed. This was overcome by automatic opening systems being interlinked with the detection devices.
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We also designed manual release buttons beside each door to provide a secondary release measure. The building had another unique feature as it was spread over 4 floors and different parts of the building were accessed by separate stairwells.
The 2 stairwells had to be linked to ensure a safe escape route the to ground floor exit could be created and separated from rooms using fire rated construction materials. Ensuring a 30 minute fire resistance is achieved thereby giving sufficient time for all occupants to descend the stairs safely.
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Our solution was development in collaboration with Lincoln city building control and they were consulted at every stage along the way. This ensured that the final design was fit for purpose and detailed all the requirements of the approved building regulation documentation.