for additional requirement for Class 9b buildings, Open link in same pagePart H1; and
certain Class 2, 3 or 9c buildings in Open link in same pageC1.5; and
Each building element must comply with Open link in same pageSpecification C1.1 as applicable.
|Rise in storeys||
Class of building 2, 3, 9
Class of building 5, 6, 7, 8
|4 or more||A||A|
The Open link in same pagerise in storeys is the sum of the greatest number of Open link in same pagestoreys at any part of the Open link in same pageexternal walls of the building and any Open link in same pagestoreys within the roof space—
above the finished ground next to that part; or
if part of the Open link in same pageexternal wall is on the boundary of the allotment, above the natural ground level at the relevant part of the boundary.
A Open link in same pagestorey is not counted if—
it is situated at the top of the building and contains only heating, ventilating or lift equipment, water tanks, or similar service units or equipment; or
it is situated partly below the finished ground and the underside of the ceiling is not more than 1 m above the average finished level of the ground at the Open link in same pageexternal wall, or if the Open link in same pageexternal wall is more than 12 m long, the average for the 12 m part where the ground is lowest.
For the purposes of calculating the Open link in same pagerise in storeys of a building—
two or more Open link in same pagemezzanines are regarded as a Open link in same pagestorey in that part of the building in which they are situated if they are at or near the same level and have an aggregate Open link in same pagefloor area more than 200 m2 or more than 1/3 of the Open link in same pagefloor area of the room, whichever is the lesser.
In a building of multiple classifications, the Type of construction Open link in same pagerequired for the building is the most Open link in same pagefire-resisting Type resulting from the application of Open link in same pageTable C1.1 on the basis that the classification applying to the top Open link in same pagestorey applies to all Open link in same pagestoreys.
In a building containing a Class 4 part on the top Open link in same pagestorey, for the purpose of Open link in same page(a), the classification applying to the top Open link in same pagestorey must be—
when the Class 4 part occupies part of the top Open link in same pagestorey, the classification applicable to the adjacent part.
A building having a Open link in same pagerise in storeys of 2 may be of Type C construction if—
For the Type of construction Open link in same pagerequired by Open link in same pageC1.3, a Class 4 part of a building requires the same FRL for building elements and the same construction separating the Class 4 part from the remainder of the building as a Class 2 part in the same Type of construction.
An Open link in same pageopen spectator stand or indoor sports stadium may be of Type C construction and need not comply with the other provisions of this Part if it contains not more than 1 tier of seating, is of Open link in same pagenon-combustible construction, and has only changing rooms, sanitary facilities or the like below the tiered seating.
In Open link in same page(a), one tier of seating means numerous rows of tiered seating incorporating cross-overs but within one viewing level.
that is Open link in same pagerequired to have an FRL; or
for a lift Open link in same pageshaft, stair Open link in same pageshaft or service Open link in same pageshaft or an Open link in same pageexternal wall bounding a Open link in same pagepublic corridor including a non Open link in same pagefire-isolated passageway or non Open link in same pagefire-isolated ramp, in a spectator stand, sports stadium, cinema or theatre, railway station, bus station or airport terminal.
the covering is not in continuous contact with the column, then the void must be filled solid, to a height of not less than 1.2 m above the floor to prevent indenting; and
the column is liable to be damaged from the movement of vehicles, materials or equipment, then the covering must be protected by steel or other suitable material.
The flooring and floor framing of lift pits.
A Open link in same pageshaft, being a lift, ventilating, pipe, garbage, or similar Open link in same pageshaft that is not for the discharge of hot products of combustion, that is non-Open link in same pageloadbearing, must be of Open link in same pagenon-combustible construction in—
a building Open link in same pagerequired to be of Type A construction; and
A Open link in same pageloadbearing Open link in same pageinternal wall and a Open link in same pageloadbearing Open link in same pagefire wall, including those that are part of a Open link in same pageloadbearing Open link in same pageshaft, must comply with Open link in same pageSpecification C1.1.
Termite management systems.
Glass, including laminated glass.
Thermal breaks associated with glazing systems.
Perforated gypsum lath with a normal paper finish.
Fibre-reinforced cement sheeting.
Bonded laminated materials where—
each lamina, including any core, is Open link in same pagenon-combustible; and
each adhesive layer does not exceed 1 mm in thickness and the total thickness of the adhesive layers does not exceed 2 mm; and
Floor linings and floor coverings.
Wall linings and ceiling linings.
Other materials including insulation materials other than Open link in same pagesarking-type materials.
The requirements of Open link in same page(a) do not apply to a material or assembly if it is—
plaster, cement render, concrete, terrazzo, ceramic tile or the like; or
a timber-framed Open link in same pagewindow; or
a solid timber handrail or skirting; or
a timber-faced door; or
an electrical switch, socket-outlet, cover plate or the like; or
a material used for—
a roof insulating material applied in continuous contact with a substrate; or
an adhesive; or
a damp-proof course, flashing, caulking, sealing, ground moisture barrier, or the like; or
a paint, varnish, lacquer or similar finish, other than nitro-cellulose lacquer; or
a clear or translucent roof light of glass fibre-reinforced polyester if—
the material is used as part of the roof covering; and
it is not closer than 1.5 m from another roof light of the same type; and
each roof light is not more than 14 m2 in area; and
the area of the roof lights per 70 m2 of roof surface is not more than 14 m2; or
a face plate or neck adaptor of supply and return air outlets of an air handling system; or
a face plate or diffuser plate of light fitting and emergency Open link in same pageexit signs and associated electrical wiring and electrical components; or
a joinery unit, cupboard, shelving, or the like; or
any other material that does not significantly increase the hazards of fire.
This clause has deliberately been left blank.
the building is—
a separate building; or
a part of a building—
the building has an Open link in same pageeffective height of not more than 25 m; and
the building has a sprinkler system (other than a FPAA101D or FPAA101H system) throughout complying with Open link in same pageSpecification E1.5; and
cavity barriers are provided in accordance with Open link in same pageSpecification C1.13.
An Open link in same pageancillary element must not be fixed, installed or attached to the internal parts or external face of an Open link in same pageexternal wall that is Open link in same pagerequired to be Open link in same pagenon-combustible unless it is one of the following:
A gutter, downpipe or other plumbing fixture or fitting.
A grate or grille not more than 2 m2 in area associated with a building service.
An electrical switch, socket-outlet, cover plate or the like.
A light fitting.
A Open link in same pagerequired sign.
achieves a Open link in same pagegroup number of 1 or 2; and
does not extend beyond one Open link in same pagestorey; and
does not extend beyond one Open link in same pagefire compartment; and
An awning, sunshade, canopy, blind or shading hood other than one provided under Open link in same page(a) that—
meets the relevant requirements of Open link in same pageTable 4 of Specification C1.10 as for an internal element; and
A part of a security, intercom or announcement system.
A paint, lacquer or a similar finish.