BS-6399-1-1996
Table 1 — Minimum imposed floor loads | ||||
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Type of activity/occupancy for part of the building or structure | Examples of specific use | Uniformly distributed load kN/m2 | Concentrated load kN |
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A Domestic and residential activities (Also see category C) | All usages within self-contained single family dwelling units Communal areas (including kitchens) in blocks of flats with limited use (For communal areas in other blocks of flats, see C3 and below) | 1.5 | 1.4 | |
Bedrooms and dormitories except those in single family dwelling units and in hotels and motels | 1.5 | 1.8 | ||
Bedrooms in hotels and motels Hospital wards | 2 | 1.8 | ||
Toilet areas | ||||
Billiard rooms | 2 | 2.7 | ||
Communal kitchens except in flats | 3 | 4.5 | ||
Balconies | Single family dwelling units and communal areas in blocks of flats with limited use | 1.5 | 1.4 | |
Guest houses, residential clubs and communal areas in blocks of flats except as covered by note 1 | Same as rooms to which they give access but with a minimum of 3.0 | 1.5/m run concentrated at the outer edge | ||
Hotels and motels | Same as rooms to which they give access but with a minimum of 4.0 | 1.5/m run concentrated at the outer edge | ||
B Offices and work areas not covered elsewhere | Operating theatres, X-ray rooms, utility rooms | 2 | 4.5 | |
Work rooms (light industrial) without storage | 2.5 | 1.8 | ||
Offices for general use | 2.5 | 2.7 | ||
Banking halls | 3 | 2.7 | ||
Kitchens, laundries, laboratories | 3 | 4.5 | ||
Rooms with mainframe computers or similar equipment | 3.5 | 4.5 | ||
Machinery halls, circulation spaces therein | 4 | 4.5 | ||
Projection rooms | 5 | To be determined for specific use | ||
Factories, workshops and similar buildings (general industrial) | 5 | 4.5 | ||
Foundries | 20 | To be determined for specific use | ||
Catwalks | — | 1.0 at 1 m centres | ||
Balconies | Same as rooms to which they give access but with a minimum of 4.0 | 1.5/m run concentrated at the outer edge | ||
Fly galleries | 4.5 kN/m run distributed uniformly over width | — | ||
Ladders | — | 1.5 rung load | ||
C Areas where people may congregate C1 Areas with tables | Public, institutional and communal dining rooms and lounges, cafes and restaurants | 2 | 2.7 | |
Reading rooms with no book storage | 2.5 | 4.5 | ||
Classrooms | 3 | 2.7 | ||
C2 Areas with fixed seats | Assembly areas with fixed seating | 4 | 3.6 | |
Places of worship | 3 | 2.7 | ||
C3 Areas without obstacles for moving people | Corridors, hallways, aisles, stairs, landings etc. in institutional type buildings (not subject to crowds or wheeled vehicles), hostels, guest houses, residential clubs, and communal areas in blocks of flats not covered by note 1. | Corridors, hallways, aisles etc. (foot traffic only) | 3 | 4.5 |
Stairs and landings (foot traffic only) | 3 | 4 | ||
Corridors, hallways, aisles, stairs, landings, etc. in all other buildings including hotels and motels and institutional buildings | Corridors, hallways, aisles, etc. (foot traffic only) | 4 | 4.5 | |
Corridors, hallways, aisles, etc., subject to wheeled vehicles, trolleys etc. | 5 | 4.5 | ||
Stairs and landings (foot traffic only) | 4 | 4 | ||
Light duty walkways — (access suitable for one person, walkway width approximately 600 mm) | 3 | 2 | ||
General duty walkways — (regular two-way pedestrian traffic) | 5 | 3.6 | ||
Heavy duty walkways — (high density pedestrian traffic including escape routes) | 7.5 | 4.5 | ||
Museum floors and art galleries for exhibition purposes | 4 | 4.5 | ||
Balconies (except as specified in A) | Same as rooms to which they give access but with a minimum of 4.0 | 1.5/m run concentrated at the outer edge | ||
Fly galleries | 4.5 kN/m run distributed uniformly over width | — | ||
C4 Areas with possible physical activities �(See clause 5, Note 1, Note 2 and Note 3)®I | Dance halls and studios, gymnasia, stages | 5 | 3.6 | |
Drill halls and drill rooms | 5 | 9 | ||
C5 Areas susceptible to overcrowding (See clause 5, Note 1, Note 2 and Note 3) | Assembly areas without fixed seating, concert halls, bars and places of worship (See Note 4) | 5 | 3.6 | |
Stages in public assembly areas | 7.5 | 4.5 | ||
D Shopping areas | Shop floors for the sale and display of merchandise | 4 | 3.6 | |
E Warehousing and storage areas. Areas subject to accumulation of goods. Areas for equipment and plant. | General areas for static equipment not specified elsewhere (institutional and public buildings) | 2 | 1.8 | |
Reading rooms with book storage, e.g. libraries | 4 | 4.5 | ||
General storage other than those specified | 2.4 for each metre of storage height | 7 | ||
File rooms, filing and storage space (offices) | 5 | 4.5 | ||
Stack rooms (books) | 2.4 for each metre in storage height but with a minimum of 6.5 | 7 | ||
Paper storage for printing plants and stationery stores | 4.0 for each metre of storage height | 9 | ||
Dense mobile stacking (books) on mobile trolleys, in public and institutional buildings | 4.8 for each metre of storage height but with a minimum of 9.6 | 7 | ||
Dense mobile stacking (books) on mobile trucks, in warehouses | 4.8 for each metre of storage height but with a minimum of 15.0 | 7 | ||
Cold storage | 5.0 for each metre of storage height but with a minimum of 15.0 | 9 | ||
Plant rooms, boiler rooms, fan rooms, etc., including weight of machinery | 7.5 | 4.5 | ||
Ladders | — | 1.5 rung load | ||
F | Parking for cars, light vans, etc. not exceeding 2500 kg gross mass, including garages, driveways and ramps | 2.5 | 9 | |
G | Vehicles exceeding 2500 kg. Driveways, ramps, repair workshops, footpaths with vehicle access, and car parking | To be determined for specific use |