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NI-wide·Technical Booklet E Fire Safety

A building shall be designed and constructed with a suitable automatic fire suppression system. This regulation applies only to— (a) a building, containing one or more flats, with a storey more than 1

NI-wide·Technical Booklet E Fire Safety

It is the view of the Department that the requirements of Regulation 37B in Part E will be met when a suitable automatic fire suppression system is provided where it is necessary. The key characteris

NI-wide·Technical Booklet E Fire Safety

Firefighting lift – a lift designed to have additional protection, with controls that enable it to be used under the direct control of the Fire and Rescue Service when fighting a fire.

NI-wide·Technical Booklet E Fire Safety

Firefighting lobby – a protected lobby for providing access from a firefighting stairway to the accommodation area and to any associated firefighting lift.

NI-wide·Technical Booklet E Fire Safety

Firefighting shaft – a protected enclosure containing a firefighting stairway, firefighting lobbies and, if provided, a firefighting lift together with its machinery.

NI-wide·Technical Booklet E Fire Safety

Firefighting stairway – a protected stairway communicating with the accommodation area only through a firefighting lobby.

NI-wide·Technical Booklet E Fire Safety

Places of special fire hazard – oil-filled transformer and switchgear rooms, boiler rooms, storage space for fuel or other highly flammable substances and rooms housing a fixed internal combustion eng

NI-wide·Technical Booklet E Fire Safety

Unprotected area – in relation to a side or external wall of a building means – (a) a window, door or other opening; (b) any part of the external wall which has less than the relevant fire resistance

NI-wide·Technical Booklet E Fire Safety

For performance classifications where there is no specific standard for extended application, assessment reports should be produced in accordance with the principles of BS EN 15725 and should include

NI-wide·Technical Booklet E Fire Safety

Regulation 23(2) limits components used in or on the external walls of relevant buildings to materials achieving European Classification A2-s1, d0 or Class A1 (see Section 5). Assessments cannot be us

NI-wide·Technical Booklet E Fire Safety

A material of limited combustibility is under European classification – (a) any material or product classified as non-combustible under paragraph 1.8(a) or (b); or (b) a material or product classified

NI-wide·Technical Booklet E Fire Safety

To find the width of the stairs serving floors 1 to 9 – P = 1200/2 = 600, n = 9 From the formula: 600 = 200w + 50 (w - 0.3) (9 - 1) 600 = 200w + (50w - 15) (8) 600 = 200w + 400w - 120 720 = 600w w = 1

NI-wide·Technical Booklet E Fire Safety

In certain buildings it may be advantageous to design the escape stairways on the concept of phased evacuation. With phased evacuation the first people to be evacuated are those on the floor of the fi

NI-wide·Technical Booklet E Fire Safety

In such a building, or part of a building – (a) every escape stairway should be approached through a protected lobby or protected corridor at each storey, other than at a top storey consisting exclusi

NI-wide·Technical Booklet E Fire Safety

Diagram 2.12 Refuge in a stair Provision where access to the wheelchair space is counter to the access flow within the stairway

NI-wide·Technical Booklet E Fire Safety

Diagram 2.13 Refuge formed by compartmentation Storey divided into two refuges by compartment wall (stairways not provided with wheelchair space). Note: Persons occupying the left-hand compartment wou

NI-wide·Technical Booklet E Fire Safety

The following are examples of satisfactory refuges – (a) an enclosure such as a protected stairway (see diagram 2.12) or protected lobby, protected corridor or compartment (see diagram 2.13); and (b)

NI-wide·Technical Booklet E Fire Safety

Each refuge should provide an area accessible to a wheelchair of at least 900 mm x 1400 mm in which a wheelchair user can await assistance. Where a refuge is in a protected stairway or protected lobby

NI-wide·Technical Booklet E Fire Safety

Refuges and evacuation lifts should be clearly identified by appropriate signs. Where a refuge is in a lobby or stairway the sign should be accompanied by a blue mandatory sign worded "Refuge - keep c

NI-wide·Technical Booklet E Fire Safety

To facilitate the effective evacuation of people temporarily waiting in each refuge an emergency voice communication system should be provided. It is essential that the occupants of each refuge are ab

NI-wide·Technical Booklet E Fire Safety

In general, it is not appropriate to use a lift when there is a fire in the building. However, in some circumstances a suitably sited and protected lift containing certain safety features may be used

NI-wide·Technical Booklet E Fire Safety

For general provisions relating to the fire protection of lift installations, see paragraphs 2.99 and 2.100.

NI-wide·Technical Booklet E Fire Safety

Where a pressurization system is installed in a protected stairway all mechanical ventilation and air conditioning systems in the building should be compatible with it when operating under fire condit

NI-wide·Technical Booklet E Fire Safety

A room used for the storage of waste or containing a waste chute should be – (a) separated from other parts of the building by fire-resisting construction; (b) located outside protected stairways and

NI-wide·Technical Booklet E Fire Safety

A thermoplastic lighting diffuser should not be incorporated in a fire-protecting or fire-resisting ceiling unless it has been satisfactorily tested as part of a luminaire within a ceiling assembly th

NI-wide·Technical Booklet E Fire Safety

Diagram 3.1 Limitations on groups of Class 3 plastic rooflights and TP(b) thermoplastic rooflights and lighting diffusers in suspended ceilings see para 3.14(b), 3.16(b) and Table 3.2 note (1) and (4)

NI-wide·Technical Booklet E Fire Safety

Table 4.1 Specific provisions of test for fire resistance of elements of structure and other components of a building Part of building | Minimum provisions when tested to the relevant part of BS 476

NI-wide·Technical Booklet E Fire Safety

Table 4.1 Specific provisions of test for fire resistance of elements of structure and other components of a building (cont'd) Part of building | Minimum provisions when tested to the relevant part o

NI-wide·Technical Booklet E Fire Safety

Table 4.3 Limitations of fire-protecting suspended ceilings Height of building or separated part (m) | Type of floor | Fire resistance of floor required by Table 4.2 (minutes) | Type of suspended cei

NI-wide·Technical Booklet E Fire Safety

Ceiling type Description W Surface of ceiling exposed to the cavity should be Class 0 or Class 1 (National Class) or Class C-s3,d2 or higher (European Class). X Surface of ceiling exposed to the cavit

NI-wide·Technical Booklet E Fire Safety

Any access panels provided in fire-protecting suspended ceilings of Type Y or Z should be secured in position by releasing devices or screw fixings, and they should be shown to have been tested in the

NI-wide·Technical Booklet E Fire Safety

Within the void behind the external face of rain screencladding at every floor level, and on the line of compartment walls abutting the external wall, of buildings which have a floor more than 18 m ab

NI-wide·Technical Booklet E Fire Safety

The ceiling should – (a) have at least 30 minutes fire resistance; (b) be imperforate except for an opening described in paragraph 4.42; (c) extend throughout the building or compartment; and (d) not

NI-wide·Technical Booklet E Fire Safety

upper ceiling surface – Class 1 (National class) or Class C-s3,d2 (European class) lower ceiling surface – Class 0 (National class) or Class B-s3,d2 or higher (European class)

NI-wide·Technical Booklet E Fire Safety

Alternative arrangements for corridor enclosure: (a) Section showing use of cavity barriers above the corridor enclosure as required by Table 4.6 (b) Alternative arrangement plan showing subdivision o

NI-wide·Technical Booklet E Fire Safety

In all cases flue walls should have a fire resistance of at least one half of that required for the compartment wall or compartment floor and be of non-combustible construction.

NI-wide·Technical Booklet E Fire Safety

Where a building has a storey the floor of which is 18 m or more above ground level, any insulation material, and any filler material (such as the core materials of metal composite panels, sandwich pa

NI-wide·Technical Booklet E Fire Safety

Table 5.1A Reaction to fire performance of external surface of walls Building Type | Building height | Less than 1m from the relevant boundary | 1m or more from the relevant boundary 'Relevant build

NI-wide·Technical Booklet E Fire Safety

Regulation 23(2) applies to any building with a storey at least 18m above ground level and which contains one or more dwellings; an institution; or a room for residential purposes (excluding any room

NI-wide·Technical Booklet E Fire Safety

The above includes any building with a storey at least 18m above ground level that contains student accommodation, care homes, nursing homes, sheltered housing, hospitals, dormitories in boarding scho

NI-wide·Technical Booklet E Fire Safety

The requirement in Regulation 23(2) is limited to materials achieving European classification Class A2-s1, d0 or Class A1. Therefore materials achieving limited combustibility cannot be deemed to meet

NI-wide·Technical Booklet E Fire Safety

Regulation 8 provides that, where the use of a building is changed such that the building becomes a building described in Regulation 23(4), the construction of the external walls, and specified attach

NI-wide·Technical Booklet E Fire Safety

membranes used as part of the external wall construction should achieve a minimum classification of European Class B-s3, d0;

NI-wide·Technical Booklet E Fire Safety

Any part of an external wall which has less fire resistance than that required by Section 4 should be considered to be an unprotected area. Where an external wall has the appropriate fire resistance

NI-wide·Technical Booklet E Fire Safety

An external wall situated 1 m or more from any point on its relevant boundary may have unprotected areas provided that their total area does not exceed that given by the most favourable calculation me

NI-wide·Technical Booklet E Fire Safety

Table 5.9 TP(a) and TP(b) plastic rooflights – Limitations on use and boundary distance Minimum classification on lower surface (1) | Space which rooflight can serve | Minimum distance (m) from any p

NI-wide·Technical Booklet E Fire Safety

In low rise buildings without deep basements fire and rescue personnel access requirements will be met by a combination of the normal means of escape in the building and the measures for vehicle acces

NI-wide·Technical Booklet E Fire Safety

A building should be provided with a firefighting shaft or shafts, to serve all storeys, where – (a) it has a storey more than 18 m above fire and rescue access level; (b) it is a building of Purpose

NI-wide·Technical Booklet E Fire Safety

However, a firefighting shaft provided under (a) or (b) need not serve a basement storey unless (c) or (d) applies and similarly a firefighting shaft provided under (c) or (d) need not serve an upper

NI-wide·Technical Booklet E Fire Safety

NOTES: 1. Outlets from a fire main should be located in the firefighting lobby or, in the case of a shaft serving flats, in the firefighting stairway (see Diagram b). 2. Smoke control should be provid