B 116
CAP. 123]
Building (Construction) Regulations
[1985 Ed.
[Subsidiary]
L.N. 294/76.
TABLE XLIII
3
Use
Volume, or floor area in any 1 storey (as the case may be)
Fire resistance period
Bulk storage or warehouse purposes.
(a) More than 700 m3 but not more than 1 400 m3 in volume.
1 hour.
(b) More than 1400 m3 but not more than 3 500 m3 in volume.
1 hour.
(c) More than 3 500 m3 but not more than 7000 m3 in volume.
2 hours.
2 Trade or manufacture.
(a) More than 1400 m3 but not more than 3 500 m3 in volume.
1 hour.
(b) More than 3 500 m3 but not more than 7000 m3 in volume.
(i) not more than 700 m2 in floor area in any 1 storey:
1 hour.
(ii) more than 700 m2 in floor area in any storey.
2 hours.
3 Office or domestic purposes; schools; hospitals.
(a) (i) More than 1 400 m3 but not more than 3 500 m3 in volume: or
1 hour.
(ii) More than 90 m2 but not more than 230 m2 in floor area in any 1 storey.
1 hour.
(b) 1 hour.
4 Partly for office purposes and partly for trade or manufacture. any part used for trade or manufacture.
(a) (i) More than 3 500 m3 in volume: or (ii) More than 230 m2 in floor area in any 1 storey.
(b) (i) Not more than 1800 m3 in volume.
(ii) More than 1 800 m3 but not more than 3 500 m3 in volume.
1 hour.
1 hour.
5 Partly for domestic purposes and partly for manufacture, any part used for trade or manufacture.
(a) (i) More than 3 500 m3 but not more than 7 000 m3 in volume.
2 hours.
(b) (i) Not more than 230 m2 in floor area in any 1 storey.
1 hour.
(ii) More than 230 m2 but not more than 460 m2 in floor area in any 1 storey.
(iii) More than 460 m2 in floor area in any 1 storey.
(a) (i) Not more than 900 m3 in volume.
(ii) More than 900 m3 but not more than 1 800 m3 in volume.
(iii) More than 1 800 m3 in volume.
1 hour.
1 hour.
2 hours.
(b) (i) Not more than 90 m2 in floor area in any 1 storey.
1 hour.
(ii) More than 90 m2 but not more than 230 m2 in floor area in any 1 storey.
(iii) More than 230 m2 in floor area in any 1 storey.
1 hour.
2 hours.