Table A2.2 Minimum imposed floor loads (based on BS 6399 Part 1 1996)
Type of activity/occupancy
for part of the building or
structure
A Domestic and
residential activities
(Also see category C)
B Offices and work
areas not covered
elsewhere
Examples of specific useAll usages within self-contained dwelling units
Communal areas (including kitchens) in
blocks of flats with limited use (See note 1)
(For communal areas in other blocks of flats,
see C3 and below)
Bedrooms and dormitories except those in
hotels and motels
Bedrooms in hotels and motels
Hospital wards
Toilet areas
Billiard rooms
Communal kitchens except in flats covered by
note 1
Balconies Single dwelling
units and
communal areas in
blocks of flats with
limited use (See
note 1)
Guest houses,
residential clubs
and communal
areas in blocks of
flats except as
covered by note 1
Hotels and motelsOperating theatres, X-ray rooms, utility rooms
Work rooms (light industrial) without storage
Office for general use
Banking halls
Kitchens, laundries, laboratories
Rooms with mainframe computers or similar
equipment
Machinery halls, circulation spaces therein
Projection roomsFactories, workshops and similar buildings
(general industrial)
FoundriesCatwalks
BalconiesFly galleriesLaddersUniformly distributed load
kN/m^21.51.52.02.0
3.01.5Same as rooms to
which they give access
but with a minimum of
3.0Same as rooms to
which they give
access but with a
minimum of 4.0
2.0
2.5
2.5
3.0
3.0
3.54.0
5.05.020.0—
Same as rooms to which
they give access but
with a minimum of 4.0
4.5 kN/m run distributed
uniformly over width
—Concentrated load
kN1.41.81.82.7
4.51.41.5/m run
concentrated at the
outer edge1.5/m run
concentrated at the
outer edge4.5
1.8
2.7
2.7
4.5
4.54.5
To be determined for
specific use
4.5To be determined for
specific use
1.0 at 1 m centres
1.5/m run concentrated
at the outer edge—- 5 rung load
Appendix 2241