Design of Floors for Acceptable Dynamic Performance

 

Joists and floor beams not supporting walls have been designed to satisfy dynamic performance. Our sources for design are:

Depending on the member, we have used a number of criteria from these sources:

Design SituationJoist Criteria
Floor Beam Criteria
Timber member with timber floorA, C, DA, D
Timber member with concrete floor  Not allowedNot allowed
Steel member with timber floorA, C, D A, D
Steel member with concrete floor A, C, D  A, B, E

 

Minimum Floor Frequencies

Building type Area use Minimum floor frequency (Hz)
Apartment Apartment bedroom 8
Apartment Balcony 8
Apartment Boiler room 4
Apartment Car park for vehicles above 2.5 tonnes 4
Apartment Car park for vehicles less than 2.5 tonnes 4
Apartment Communal assembly with fixed seating 4
Apartment Communal assembly without fixed seating 4
Apartment Dining rooms or cafeterias 8
Apartment Kitchen (communal) 8
Apartment Kitchen (private) 8
Apartment Laundry (communal) 4
Apartment Laundry (private) 4
Apartment Motor room or fan room 4
Apartment Public corridor or hallway without wheeled vehicles 8
Apartment Public corridors including wheeled vehicles less than 300kg in weight 8
Apartment Toilet or bathrooms 4
Auditorium Area for equipment 4
Auditorium Assembly area with physical activities or overcrowding e.g. bars, public lounges 8
Auditorium Assembly areas (public) with fixed seats or tables 8
Auditorium Balcony 4
Auditorium Boiler room 4
Auditorium Car park for vehicles above 2.5 tonnes 4
Auditorium Car park for vehicles less than 2.5 tonnes 4
Auditorium Dining rooms or cafeterias 8
Auditorium Dressing room 4
Auditorium File room 4
Auditorium Kitchen (communal) 4
Auditorium Library reading area 4
Auditorium Library stacking areas up to 3 meter ceiling 4
Auditorium Mobile filing 4
Auditorium Motor room or fan room 4
Auditorium Public corridor or hallway without wheeled vehicles 4
Auditorium Public corridors including wheeled vehicles less than 300kg in weight 4
Auditorium Stage 8
Auditorium Storage (cold) 4
Auditorium Storage (general storage and warehousing up to 3 meter ceiling) 4
Auditorium Storage (stationery and packed book storage upto 3 meter ceiling) 4
Auditorium Toilet or bathrooms 4
Bank Balcony 4
Bank Boiler room 4
Bank Car park for vehicles above 2.5 tonnes 4
Bank Car park for vehicles less than 2.5 tonnes 4
Bank Dining rooms or cafeterias 8
Bank File room 4
Bank Kitchen (communal) 4
Bank Library reading area 4
Bank Library stacking areas up to 3 meter ceiling 4
Bank Mobile filing 4
Bank Motor room or fan room 4
Bank Office 4
Bank Public corridor or hallway without wheeled vehicles 4
Bank Public corridors including wheeled vehicles less than 300kg in weight 4
Bank Storage (cold) 4
Bank Storage (general storage and warehousing up to 3 meter ceiling) 4
Bank Storage (stationery and packed book storage upto 3 meter ceiling) 4
Bank Toilet or bathrooms 4
Bank Vaults or strong rooms 4
Boarding House Apartment bedroom 8
Boarding House Balcony 4
Boarding House Boiler room 4
Boarding House Car park for vehicles above 2.5 tonnes 4
Boarding House Car park for vehicles less than 2.5 tonnes 4
Boarding House Communal assembly with fixed seating 4
Boarding House Communal assembly without fixed seating 4
Boarding House Dining rooms or cafeterias 8
Boarding House Kitchen (communal) 4
Boarding House Kitchen (private) 4
Boarding House Laundry (communal) 4
Boarding House Laundry (private) 4
Boarding House Motor room or fan room 4
Boarding House Public corridor or hallway without wheeled vehicles 4
Boarding House Public corridors including wheeled vehicles less than 300kg in weight 4
Boarding House Toilet or bathrooms 4
Carpark Balcony 4
Carpark Boiler room 4
Carpark Car park for vehicles above 2.5 tonnes 4
Carpark Car park for vehicles less than 2.5 tonnes 4
Carpark Motor room or fan room 4
Carpark Public corridor or hallway without wheeled vehicles 4
Carpark Public corridors including wheeled vehicles less than 300kg in weight 4
Carpark Repair workshop 4
Carpark Toilet or bathrooms 4
Church Area for equipment 4
Church Assembly area with physical activities or overcrowding e.g. bars, public lounges 8
Church Assembly areas (public) with fixed seats or tables 8
Church Balcony 4
Church Boiler room 4
Church Car park for vehicles above 2.5 tonnes 4
Church Car park for vehicles less than 2.5 tonnes 4
Church Dining rooms or cafeterias 8
Church Dressing room 4
Church File room 4
Church Kitchen (communal) 4
Church Library reading area 4
Church Library stacking areas up to 3 meter ceiling 4
Church Mobile filing 4
Church Motor room or fan room 4
Church Public corridor or hallway without wheeled vehicles 4
Church Public corridors including wheeled vehicles less than 300kg in weight 4
Church Stage 8
Church Storage (cold) 4
Church Storage (general storage and warehousing up to 3 meter ceiling) 4
Church Storage (stationery and packed book storage upto 3 meter ceiling) 4
Church Toilet or bathrooms 4
College Assembly area (Institutional) with fixed seats or tables e.g. classrooms, lecture theatres 4
College Assembly area with physical activities or overcrowding e.g. bars, public lounges 8
College Balcony 4
College Bedrooms or wards 8
College Boiler room 4
College Car park for vehicles above 2.5 tonnes 4
College Car park for vehicles less than 2.5 tonnes 4
College Dining rooms or cafeterias 8
College Dressing room 4
College Drill Room or drill hall 8
College File room 4
College Kitchen (communal) 4
College Laundry (communal) 4
College Library reading area 4
College Library stacking areas up to 3 meter ceiling 4
College Mobile filing 4
College Motor room or fan room 4
College Office 4
College Operating theatre 4
College Public corridor or hallway without wheeled vehicles 4
College Public corridors including wheeled vehicles less than 300kg in weight 4
College Stage 8
College Storage (cold) 4
College Storage (general storage and warehousing up to 3 meter ceiling) 4
College Storage (stationery and packed book storage upto 3 meter ceiling) 4
College Toilet or bathrooms 4
College Utility room 4
Conference Centre Area for equipment 4
Conference Centre Assembly area with physical activities or overcrowding e.g. bars, public lounges 8
Conference Centre Assembly areas (public) with fixed seats or tables 8
Conference Centre Balcony 4
Conference Centre Boiler room 4
Conference Centre Car park for vehicles above 2.5 tonnes 4
Conference Centre Car park for vehicles less than 2.5 tonnes 4
Conference Centre Dining rooms or cafeterias 8
Conference Centre Dressing room 4
Conference Centre File room 4
Conference Centre Kitchen (communal) 4
Conference Centre Library reading area 4
Conference Centre Library stacking areas up to 3 meter ceiling 4
Conference Centre Mobile filing 4
Conference Centre Motor room or fan room 4
Conference Centre Public corridor or hallway without wheeled vehicles 4
Conference Centre Public corridors including wheeled vehicles less than 300kg in weight 4
Conference Centre Stage 8
Conference Centre Storage (cold) 4
Conference Centre Storage (general storage and warehousing up to 3 meter ceiling) 4
Conference Centre Storage (stationery and packed book storage upto 3 meter ceiling) 4
Conference Centre Toilet or bathrooms 4
Department Store Balcony 4
Department Store Boiler room 4
Department Store Car park for vehicles above 2.5 tonnes 4
Department Store Car park for vehicles less than 2.5 tonnes 4
Department Store Dining rooms or cafeterias 8
Department Store File room 4
Department Store Kitchen (communal) 4
Department Store Laundry (communal) 4
Department Store Mobile filing 4
Department Store Motor room or fan room 4
Department Store Office 4
Department Store Public corridor or hallway without wheeled vehicles 4
Department Store Public corridors including wheeled vehicles less than 300kg in weight 4
Department Store Retail sales area 4
Department Store Storage (cold) 4
Department Store Storage (general storage and warehousing up to 3 meter ceiling) 4
Department Store Storage (stationery and packed book storage upto 3 meter ceiling) 4
Department Store Toilet or bathrooms 4
Department Store Vaults or strong rooms 4
Drill Hall Area for equipment 8
Drill Hall Assembly area with physical activities or overcrowding e.g. bars, public lounges 8
Drill Hall Assembly areas (public) with fixed seats or tables 8
Drill Hall Balcony 4
Drill Hall Boiler room 4
Drill Hall Car park for vehicles above 2.5 tonnes 4
Drill Hall Car park for vehicles less than 2.5 tonnes 4
Drill Hall Dining rooms or cafeterias 8
Drill Hall Dressing room 4
Drill Hall File room 4
Drill Hall Kitchen (communal) 4
Drill Hall Library reading area 4
Drill Hall Library stacking areas up to 3 meter ceiling 4
Drill Hall Mobile filing 4
Drill Hall Motor room or fan room 4
Drill Hall Public corridor or hallway without wheeled vehicles 4
Drill Hall Public corridors including wheeled vehicles less than 300kg in weight 4
Drill Hall Stage 8
Drill Hall Storage (cold) 4
Drill Hall Storage (general storage and warehousing up to 3 meter ceiling) 4
Drill Hall Storage (stationery and packed book storage upto 3 meter ceiling) 4
Drill Hall Toilet or bathrooms 4
Factory Balcony 4
Factory Boiler room 4
Factory Car park for vehicles above 2.5 tonnes 4
Factory Car park for vehicles less than 2.5 tonnes 4
Factory Dining rooms or cafeterias 8
Factory Industrial factory floor or workshop 4
Factory Kitchen (communal) 4
Factory Laboratory 4
Factory Laundry (communal) 4
Factory Mobile filing 4
Factory Motor room or fan room 4
Factory Office 4
Factory Printing plant or type storage 4
Factory Public corridor or hallway without wheeled vehicles 4
Factory Public corridors including wheeled vehicles less than 300kg in weight 4
Factory Storage (cold) 4
Factory Storage (general storage and warehousing up to 3 meter ceiling) 4
Factory Storage (stationery and packed book storage upto 3 meter ceiling) 4
Factory Toilet or bathrooms 4
Factory Vaults or strong rooms 4
Factory Workrooms (light) 4
Garage Balcony 4
Garage Boiler room 4
Garage Car park for vehicles above 2.5 tonnes 4
Garage Car park for vehicles less than 2.5 tonnes 4
Garage Motor room or fan room 4
Garage Public corridor or hallway without wheeled vehicles 4
Garage Public corridors including wheeled vehicles less than 300kg in weight 4
Garage Repair workshop 4
Garage Toilet or bathrooms 4
Hospital Assembly area (Institutional) with fixed seats or tables e.g. classrooms, lecture theatres 4
Hospital Assembly area with physical activities or overcrowding e.g. bars, public lounges 8
Hospital Balcony 4
Hospital Bedrooms or wards 8
Hospital Boiler room 4
Hospital Car park for vehicles above 2.5 tonnes 4
Hospital Car park for vehicles less than 2.5 tonnes 4
Hospital Dining rooms or cafeterias 8
Hospital Dressing room 4
Hospital Drill Room or drill hall 8
Hospital File room 4
Hospital Kitchen (communal) 4
Hospital Laundry (communal) 4
Hospital Library reading area 4
Hospital Library stacking areas up to 3 meter ceiling 4
Hospital Mobile filing 4
Hospital Motor room or fan room 4
Hospital Office 4
Hospital Operating theatre 4
Hospital Public corridor or hallway without wheeled vehicles 4
Hospital Public corridors including wheeled vehicles less than 300kg in weight 4
Hospital Stage 8
Hospital Storage (cold) 4
Hospital Storage (general storage and warehousing up to 3 meter ceiling) 4
Hospital Storage (stationery and packed book storage upto 3 meter ceiling) 4
Hospital Toilet or bathrooms 4
Hospital Utility room 4
Hotel Apartment bedroom 8
Hotel Balcony 4
Hotel Boiler room 4
Hotel Car park for vehicles above 2.5 tonnes 4
Hotel Car park for vehicles less than 2.5 tonnes 4
Hotel Communal assembly with fixed seating 4
Hotel Communal assembly without fixed seating 4
Hotel Dining rooms or cafeterias 8
Hotel Kitchen (communal) 4
Hotel Kitchen (private) 4
Hotel Laundry (communal) 4
Hotel Laundry (communal) 4
Hotel Laundry (private) 4
Hotel Motor room or fan room 4
Hotel Public corridor or hallway without wheeled vehicles 4
Hotel Public corridors including wheeled vehicles less than 300kg in weight 4
Hotel Toilet or bathrooms 4
House - domestic dwelling Car park for vehicles less than 2.5 tonnes 4
House - domestic dwelling General eg living rooms, bedrooms, corridors, kitchen, toilets, study, rumpus 8
House - domestic dwelling House balcony 1m or less above ground 8
House - domestic dwelling House balcony other 8
House - domestic dwelling Nothing 0
Industrial Workshop Balcony 4
Industrial Workshop Boiler room 4
Industrial Workshop Car park for vehicles above 2.5 tonnes 4
Industrial Workshop Car park for vehicles less than 2.5 tonnes 4
Industrial Workshop Dining rooms or cafeterias 8
Industrial Workshop Industrial factory floor or workshop 4
Industrial Workshop Kitchen (communal) 4
Industrial Workshop Laboratory 4
Industrial Workshop Laundry (communal) 4
Industrial Workshop Mobile filing 4
Industrial Workshop Motor room or fan room 4
Industrial Workshop Office 4
Industrial Workshop Printing plant or type storage 4
Industrial Workshop Public corridor or hallway without wheeled vehicles 4
Industrial Workshop Public corridors including wheeled vehicles less than 300kg in weight 4
Industrial Workshop Storage (cold) 4
Industrial Workshop Storage (general storage and warehousing up to 3 meter ceiling) 4
Industrial Workshop Storage (stationery and packed book storage upto 3 meter ceiling) 4
Industrial Workshop Toilet or bathrooms 4
Industrial Workshop Vaults or strong rooms 4
Industrial Workshop Workrooms (light) 4
Motel Apartment bedroom 8
Motel Balcony 4
Motel Boiler room 4
Motel Car park for vehicles above 2.5 tonnes 4
Motel Car park for vehicles less than 2.5 tonnes 4
Motel Communal assembly with fixed seating 4
Motel Communal assembly without fixed seating 4
Motel Dining rooms or cafeterias 8
Motel Kitchen (communal) 4
Motel Kitchen (private) 4
Motel Laundry (communal) 4
Motel Laundry (private) 4
Motel Motor room or fan room 4
Motel Public corridor or hallway without wheeled vehicles 4
Motel Public corridors including wheeled vehicles less than 300kg in weight 4
Motel Toilet or bathrooms 4
Museum Area for equipment 4
Museum Assembly area with physical activities or overcrowding e.g. bars, public lounges 8
Museum Assembly areas (public) with fixed seats or tables 8
Museum Balcony 4
Museum Boiler room 4
Museum Car park for vehicles above 2.5 tonnes 4
Museum Car park for vehicles less than 2.5 tonnes 4
Museum Dining rooms or cafeterias 8
Museum Dressing room 4
Museum File room 4
Museum Kitchen (communal) 4
Museum Library reading area 4
Museum Library stacking areas up to 3 meter ceiling 4
Museum Mobile filing 4
Museum Motor room or fan room 4
Museum Public corridor or hallway without wheeled vehicles 4
Museum Public corridors including wheeled vehicles less than 300kg in weight 4
Museum Stage 8
Museum Storage (cold) 4
Museum Storage (general storage and warehousing up to 3 meter ceiling) 4
Museum Storage (stationery and packed book storage upto 3 meter ceiling) 4
Museum Toilet or bathrooms 4
Office Balcony 4
Office Boiler room 4
Office Car park for vehicles above 2.5 tonnes 4
Office Car park for vehicles less than 2.5 tonnes 4
Office Dining rooms or cafeterias 8
Office File room 4
Office Kitchen (communal) 4
Office Library reading area 4
Office Library stacking areas up to 3 meter ceiling 4
Office Mobile filing 4
Office Motor room or fan room 4
Office Office 4
Office Public corridor or hallway without wheeled vehicles 4
Office Public corridors including wheeled vehicles less than 300kg in weight 4
Office Storage (cold) 4
Office Storage (general storage and warehousing up to 3 meter ceiling) 4
Office Storage (stationery and packed book storage upto 3 meter ceiling) 4
Office Toilet or bathrooms 4
Office Vaults or strong rooms 4
Prison Assembly area (Institutional) with fixed seats or tables e.g. classrooms, lecture theatres 4
Prison Assembly area with physical activities or overcrowding e.g. bars, public lounges 8
Prison Balcony 4
Prison Bedrooms or wards 8
Prison Boiler room 4
Prison Car park for vehicles above 2.5 tonnes 4
Prison Car park for vehicles less than 2.5 tonnes 4
Prison Dining rooms or cafeterias 8
Prison Dressing room 4
Prison Drill Room or drill hall 8
Prison File room 4
Prison Kitchen (communal) 4
Prison Laundry (communal) 4
Prison Library reading area 4
Prison Library stacking areas up to 3 meter ceiling 4
Prison Mobile filing 4
Prison Motor room or fan room 4
Prison Office 4
Prison Operating theatre 4
Prison Public corridor or hallway without wheeled vehicles 4
Prison Public corridors including wheeled vehicles less than 300kg in weight 4
Prison Stage 8
Prison Storage (cold) 4
Prison Storage (general storage and warehousing up to 3 meter ceiling) 4
Prison Storage (stationery and packed book storage upto 3 meter ceiling) 4
Prison Toilet or bathrooms 4
Prison Utility room 4
Public Hall Area for equipment 4
Public Hall Assembly area with physical activities or overcrowding e.g. bars, public lounges 8
Public Hall Assembly areas (public) with fixed seats or tables 8
Public Hall Balcony 4
Public Hall Boiler room 4
Public Hall Car park for vehicles above 2.5 tonnes 4
Public Hall Car park for vehicles less than 2.5 tonnes 4
Public Hall Dining rooms or cafeterias 8
Public Hall Dressing room 4
Public Hall File room 4
Public Hall Kitchen (communal) 4
Public Hall Library reading area 4
Public Hall Library stacking areas up to 3 meter ceiling 4
Public Hall Mobile filing 4
Public Hall Motor room or fan room 4
Public Hall Public corridor or hallway without wheeled vehicles 4
Public Hall Public corridors including wheeled vehicles less than 300kg in weight 4
Public Hall Stage 8
Public Hall Storage (cold) 4
Public Hall Storage (general storage and warehousing up to 3 meter ceiling) 4
Public Hall Storage (stationery and packed book storage upto 3 meter ceiling) 4
Public Hall Toilet or bathrooms 4
School Assembly area (Institutional) with fixed seats or tables e.g. classrooms, lecture theatres 4
School Assembly area with physical activities or overcrowding e.g. bars, public lounges 8
School Balcony 4
School Bedrooms or wards 8
School Boiler room 4
School Car park for vehicles above 2.5 tonnes 4
School Car park for vehicles less than 2.5 tonnes 4
School Dining rooms or cafeterias 8
School Dressing room 4
School Drill Room or drill hall 8
School File room 4
School Kitchen (communal) 4
School Laundry (communal) 4
School Library reading area 4
School Library stacking areas up to 3 meter ceiling 4
School Mobile filing 4
School Motor room or fan room 4
School Office 4
School Operating theatre 4
School Public corridor or hallway without wheeled vehicles 4
School Public corridors including wheeled vehicles less than 300kg in weight 4
School Stage 8
School Storage (cold) 4
School Storage (general storage and warehousing up to 3 meter ceiling) 4
School Storage (stationery and packed book storage upto 3 meter ceiling) 4
School Toilet or bathrooms 4
School Utility room 4
Shop Balcony 4
Shop Boiler room 4
Shop Car park for vehicles above 2.5 tonnes 4
Shop Car park for vehicles less than 2.5 tonnes 4
Shop Dining rooms or cafeterias 8
Shop File room 4
Shop Kitchen (communal) 4
Shop Laundry (communal) 4
Shop Mobile filing 4
Shop Motor room or fan room 4
Shop Office 4
Shop Public corridor or hallway without wheeled vehicles 4
Shop Public corridors including wheeled vehicles less than 300kg in weight 4
Shop Retail sales area 4
Shop Storage (cold) 4
Shop Storage (general storage and warehousing up to 3 meter ceiling) 4
Shop Storage (stationery and packed book storage upto 3 meter ceiling) 4
Shop Toilet or bathrooms 4
Shop Vaults or strong rooms 4
Supermarket Balcony 4
Supermarket Boiler room 4
Supermarket Car park for vehicles above 2.5 tonnes 4
Supermarket Car park for vehicles less than 2.5 tonnes 4
Supermarket Dining rooms or cafeterias 8
Supermarket File room 4
Supermarket Kitchen (communal) 4
Supermarket Laundry (communal) 4
Supermarket Mobile filing 4
Supermarket Motor room or fan room 4
Supermarket Office 4
Supermarket Public corridor or hallway without wheeled vehicles 4
Supermarket Public corridors including wheeled vehicles less than 300kg in weight 4
Supermarket Retail sales area 4
Supermarket Storage (cold) 4
Supermarket Storage (general storage and warehousing up to 3 meter ceiling) 4
Supermarket Storage (stationery and packed book storage upto 3 meter ceiling) 4
Supermarket Toilet or bathrooms 4
Supermarket Vaults or strong rooms 4
Theatre Area for equipment 4
Theatre Assembly area with physical activities or overcrowding e.g. bars, public lounges 8
Theatre Assembly areas (public) with fixed seats or tables 8
Theatre Balcony 4
Theatre Boiler room 4
Theatre Car park for vehicles above 2.5 tonnes 4
Theatre Car park for vehicles less than 2.5 tonnes 4
Theatre Dining rooms or cafeterias 8
Theatre Dressing room 4
Theatre File room 4
Theatre Kitchen (communal) 4
Theatre Library reading area 4
Theatre Library stacking areas up to 3 meter ceiling 4
Theatre Mobile filing 4
Theatre Motor room or fan room 4
Theatre Public corridor or hallway without wheeled vehicles 4
Theatre Public corridors including wheeled vehicles less than 300kg in weight 4
Theatre Stage 8
Theatre Storage (cold) 4
Theatre Storage (general storage and warehousing up to 3 meter ceiling) 4
Theatre Storage (stationery and packed book storage upto 3 meter ceiling) 4
Theatre Toilet or bathrooms 4
Warehouse Balcony 4
Warehouse Boiler room 4
Warehouse Car park for vehicles above 2.5 tonnes 4
Warehouse Car park for vehicles less than 2.5 tonnes 4
Warehouse Dining rooms or cafeterias 8
Warehouse Industrial factory floor or workshop 4
Warehouse Kitchen (communal) 4
Warehouse Laboratory 4
Warehouse Laundry (communal) 4
Warehouse Mobile filing 4
Warehouse Motor room or fan room 4
Warehouse Office 4
Warehouse Printing plant or type storage 4
Warehouse Public corridor or hallway without wheeled vehicles 4
Warehouse Public corridors including wheeled vehicles less than 300kg in weight 4
Warehouse Storage (cold) 4
Warehouse Storage (general storage and warehousing up to 3 meter ceiling) 4
Warehouse Storage (stationery and packed book storage upto 3 meter ceiling) 4
Warehouse Toilet or bathrooms 4
Warehouse Vaults or strong rooms 4
Warehouse Workrooms (light) 4