What is a firefighting lobby?
Firefighting lobbies are spaces in buildings which are enclosed in fire resisting construction. They normally separate horizontal and vertical circulation spaces (e.g. corridor and stairs or lifts) and/or separate circulation spaces from accommodation spaces (e.g. between flats and corridors).
What is ventilation in a fire?
Fire ventilation means that fire gases must be vented out, but also that fresh air will flow in (generally). This supply of air normally affects the fire in such a way that the rate of heat release from the fire increases or the fire spreads faster.
What is mechanical ventilation in fire fighting?
Mechanical fans can be used to provide positive pressure ventilation when used in tandem with either existing openings such as windows, skylights or heat/smoke vents on the roof; or by cutting new exhaust vents in the building.
What are the two main types of ventilation on building fires?
There are two types of ventilation we deal with all the time at fires: horizontal and vertical. Within that subset, horizontal ventilation can be broken down further into two areas: venting for life and venting for fire. In my experience, venting for life always presents the greatest hazard.
What is a stair lobby?
these lobbies provide access to the stairway (either above or below the ground floor level), but not directly to a final exit from the building.
What is a fire main?
marine. A sea water supply system for fire hydrants. It consists of sea inlets, suction piping, fire pumps and a distributed piping system supplying fire hydrants, hoses and nozzles located throughout the vessel.
What are the 3 causes of fire?
5 Leading Causes of House Fires
- Cooking. Cooking fires are the leading cause of home fires by far, accounting for 48% of all reported residential fires.
- Heating. Portable heaters are the second-leading cause of home fires and home fire injuries.
- Electrical Fires.
- Smoking.
- Candles.
Do I need a protected staircase?
Generally, every internal escape stair should be a protected stairway. They should be relatively free of potential sources of fire and so should not be used for anything else, other than providing a lift well or housing an electricity meter.
What is fire escape staircase?
A fire escape stair is a special kind of emergency exit, usually mounted to the outside of a building or occasionally inside but separate from the main areas of the building. It provides a method of escape in the event of a fire or other emergency that makes the stairwells inside a building inaccessible.
What fire hydrant means?
: a pipe usually in the street that provides water especially for putting out fires.
What does it mean to have a firefighting lobby?
A firefighting lobby is: A protected lobby that provides access from a firefighting stair to the accommodation area and to any associated firefighting lift.
What does it mean to have a firefighting lift?
A firefighting lift is ‘…a lift with additional protection and with controls that enable it to be used by the fire and rescue service when fighting a fire . Approved documents . Building regulations . Fire .
When do you need ventilating in a building?
Ventilating fire-fighting lobbies is an essential part of the fire-safety strategy When fire fighters arrive at a multi-storey building, they are going to need clear access to whatever level the fire is on.
What is the meaning of smoke stop lobby?
Definition of smoke-stop lobby. 2.0. A smoke stop lobby, including fire-fighting lobby, which acts as buffer space for entry into the protected staircase and use by fire fighters during emergency, shall be maintained as common property. Purpose of smoke-stop lobby. 3.0.
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