How To Design Staircase Pressurization

Characteristics the staircase pressurization system is made of a. Stairways are fire escape routes nowadays stairwells have better fire ratings than the rest of the building. Download staircase pressurization fan cfm calculation sheet free excel sheets xls download free mep calculation excel sheets autocad drawings and training courses for hvac firefighting plumbing and electrical systems design.
how to design staircase pressurization

The pressurized air helps people escape the fire and firefighters battle the fire.

The smoke detector shall be located at the entrance of each exit staircase at every storey including the non residential floors.

How to design staircase pressurization. Pressurization system is the most widely selected design option. Systems as part of the design procedure. This course discusses the smoke control systems and examines the design considerations associated with stairwell pressurization systems. In case of fire in a high rise building a stair pressurization fan spf uses clean outside air to pressurize the air in stairwells.

One person bedrooms one person bedroom a pressurization system should function in two different settings to prevent smoke to enter a staircase. A system must be installed which is capable of automatically and safely supplying the two air flows. It gives test procedures for the systems used as well as describing relevant and critical features of the installation and commissioning procedures needed to implement the calculated design in a building. At the same time excessive air flow to the staircase must be prevented so that children or less able occupants can open the access door to the staircase during an evacuation.

Where pg ii building is provided with a mechanical ventilation system or pressurisation system for its staircase storey shelter an automatic smoke detection system complying with ss cp 10 shall be installed. Design that may offer a solution for the difficulties in the design of pressurized stairs.