Imposed Loadings

Please see Imposed Loadings to Eurocode 1 - BS EN 1991-1-1:2002.

 

Categories for residential, social, commercial and administration areas including additional sub categories in the UK.

Category of Loaded Area Specific Use Sub-Category Example Uniformly Distributed Load (qk - kN/m²) Concentrated Load (Qk-kN) 
A Areas for Domestic and Residential activities A1 All usages within self-contained dwelling units (a unit occupied by a single family or a modular student accomodation unit with a secure door and comprising not more than six single bedrooms and an internal corridor). Communal areas (including kitchens) in blocks of flats with limited use (see Note 1). For commual areas in other blocks of flats, see A5, A6 and C3 1.5 2.0
A2 Bedrooms and dormitories except those in self-contained single family dwelling units and in hotels and motels 1.5 2.0
A3 Bedrooms in hotels and motels; hospital wards; toilet areas 2.0 2.0
A4 Billiard/Snooker rooms 2.0 2.7
A5 Balconies in single family dwelling units and communal areas in blocks of flats with limited use (see Note 1) 2.5 2.0
A6 Balconies in hostels, guest houses, residential clubs and communal areas in blocks of flats except those covered by Note 1 Same as the rooms to which they give access but with a minimum of 3.0 2.0 (concentrated at the outer edge)
A7 Balconies in hotels and motels Same as the rooms to which they give access but with a minimum of 4.0 2.0 (concentrated at the outer edge)
B Office Areas B1 General use other than in B2 2.5 2.7
B2 At or below ground floor level 3.0 2.7
C Areas where people may congregate (with exception of areas defined under category A, B and D) C1 Areas with tables    
C11 Public, institutional and communal dining rooms and lounges, cafes and restaurants (see Note 2) 2.0 3.0
C12 Reading rooms with no book storage 2.5 4.0
C13 Classrooms 3.0 3.0
C2 Areas with fixed seats    
C21 Assembley areas with fixed seating (see Note 3) 4.0 3.6
C22 Places of worship 3.0 2.7
C3 Areas without obstacles for moving people    
C31 Corridors, hallways, aisles in institutional type buildings not subjected to crowds or wheeled vehicles, hostels, guest houses, residential clubs, and communal areas in blocks of flats not covered by Note 1 3.0 4.5
C32 Stairs, landings in institutional type buildings not subjected to crowds or wheeled vehicles, hostels, guest houses, residential clubs, and communal areas in blocks of flats not covered by Note 1 3.0 4.0
C33 Corridors, hallways, aisles in all buildings not covered by C31 and C32, including hotels and motels and institutional buildings subjected to crowds 4.0 4.5
C34 Corridors, hallways aisles in all buildings not covered by C31 and C32, including hotels and motels and institutional buildings subjected to wheeled vehicles, including trolleys 5.0 4.5
C35 Stairs, landings in all building not covered by C31 and C32, including hotels and motels and institutional buildings subjected to crowds 4.0 4.0
C36 Walkways - Light duty (access suitable for one person, walkway width approx 600mm) 3.0 2.0
C37 Walkways - General duty (regular two-way pedestrian traffic) 5.0

3.6

C38 Walkways - Heavy duty (high density pedestrian traffic including escape routes) 7.5 4.5
C39 Museum floors and art galleries for exhibition purposes 4.0 4.5
C4 Areas with possible physical activities    
C41 Dance halls and studios, gymnasiam stages (see Note 5) 5.0

3.6

C42 Drill halls and drill rooms (see Note 5) 5.0 7.0
C5 Areas susceptible to large crowds    
C51 Assembly areas without fixed seating, concert halls, bars and places of worship (see Note 4 and Note 5) 5.0 3.6
C52 Stages in public assembley areas (see Note 5) 7.5 4.5
D Shopping areas D1 Areas in general retail shops 4.0 3.6
D2 Areas in department stores 4.0

3.6

NOTE 1 Communal areas in blocks of flats with limited use are blocks of flats not more than three storeys in height and with not more than four self-contained dwelling units per floor accessible from one staircase.

NOTE 2 Where the areas described by C11 might be subjected to loads due to physical activities or overcrowding, e.g. a hotel dining room used as a dance floor, imposed loads should be based upon C4 or C5 as appropriate. Reference should also be made to Note 5.

NOTE 3 Fixed seating is seating where its removal and the use of the space for other purposes is improbable.

NOTE 4 For grandstands and stadia, reference should be made to the requirements of the approriate certifying authority.

NOTE 5 For structures that might be susceptible to resonance effects, reference should be made to NA.2.1.

 

Categories for storage and industrial areas

Category of Loaded Area Specific Use Sub-Category Examples Uniformly Distributed Load (qk - kN/m²) Concentrated Load (Qk - kN)
E1 Areas susceptible to accumulation of goods, including access areas E11 General areas for static equipment not specified elsewhere (institutional and public buildings) 2.0 1.8
E12 Reading rooms with book storage e.g. libraries 4.0 4.5
E13 General storage other than those specified (see Note) 2.4 per metre of storage height 7.0
E14 File rooms, filing and storage space (offices) 5.0 4.5
E15 Stack rooms (books) 2.4 per metre of storage height but with a minimum of 6.5 7.0
E16 Paper storage for printing plants and stationary stores 4.0 per metre of storage height 9.0
E17 Dense mobile stacking (books) on mobile trolleys, in public and institutional buildings 4.8 per metre of storage height but with a minimum of 9.6 7.0
E18 Dense mobile stacking (books) on mobile trucks, in warehouses 4.8 per metre of storage height but with a minimum of 15.0 7.0
E19 Cold storage 5.0 per metre of storage height but with a minimum of 15.0 9.0
E2 Industrial use - See PD 6688 for imposed loads on floors for areas of industrial use    

NOTE E13 is a general catergory, however, designers are encouraged to liaise with clients to determine more specific load values than the lower bound value given in this table.

 

Imposed loads on garges and vehicle traffic areas

Categories of Traffic Areas   Uniformly Ditributed Load (qk - kN/m²) Concentrated Load (Qk - kn)
F (gross vehicle weight k 30 kN) 2.5 10.0
G (30 kN < gross vehicle weight k160 kN) 5.0 To be determined for specific use

NOTE qk and Qk should not be applied simultaneously.

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