![]() ![]() Should the integrity of the pressurisation be added to a Building Management System with failure alarms? ![]() What needs to happen if the negative room exhaust fan fails as the room may suddenly become unintentionally positive? Medical personnel must have a documented procedure. What needs to happen if the positive room pressurisation fan fails as the room may suddenly become unintentionally negative? Medical personnel must have a documented procedure. If so then ensure that an emergency open device is included so that both doors can be quickly opened for emergency evacuation. Should the lobby outer and inner doors be interlocked so that only one door can be open at any time? ![]() Opening the door for medical personnel to access the patient will temporarily stop the pressure difference which could then result in contaminants entering or leaving.Ī small entrance lobby should be included in the design of these rooms to ensure that there is always the correct pressure gradient between the patient room and the outer space or corridor. However things are not as simple as they seem.
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