| FUNCTIONAL SPACE | FACTOR (m2/person) | REMARK |
| Amusement park | 1 | excluding machine areas |
| Apartment, residential Area of refuge | 15 | calculated on habitable areas |
| ambulatory health care centre | 1.4 | |
| custodian care facility | 1.4 | |
| hospital | 2.8 | |
| Gymnasium | 3.5 | |
| Health club/centre | 5 | |
| Hobby room | 1.5 | |
| Housekeeping | 10 | |
| Indoor games room | 1.5 | |
| Indoor sport hall | ||
| School with multi-purpose hall | 3 | |
| School without multi-purpose hall | 1 | |
| others | 3 | |
| accessible floor area of the | ||
| Karaoke lounge | 1.5 | lounge (including dine & dance areas) |
| Kitchen/service area | 10 | |
| Laboratory | ||
| healthcare occupancy | 20 | |
| schools/colleges/tertiary institutions | 5 | |
| others | 5 | |
| theatres/cinemas/concert halls | 5 | |
| others | 5 | |
| Loading/unloading area | 4 per bay | |
| Lobby Locker room | – – | non-simultaneous non-simultaneous |
| Lounge | 2.5 | |
| Machine/printing room | 10 | |
| Admin/general | 10 | |
| director/manager room | 15 | |
| drafting roorn/area | 5 | |
| Operation theatre | 7.5 | |
| Orchestral p~ | 1.5 | |
| Out-patient waiting area | 1.5 | |
| Packing/distribution area | 10 | |
| Pantry | non-simultaneous | |
| with commercial activities | 2 | aboveground or underground |
| with commercial activities | – | non-simultaneous |
| schoolslcollegesltertiary institutions theatres/cinemas/concert halls | 3 – | non-simultaneous |
| storage / store room | 30 | |
| Swimming pool | ||
| condominium/apartment | 5 | |
| hotel private club | — – | |
| public sports complex | 2.5 | |
| public swimming complex | 2.5 | |
| serviced apartment | – | |
| Ticketing office Toilet | 10 – | non-simultaneous |
| Trading noor | 2 | |
| Trading gallery | 1.5 | |
| Training area | ||
| public sports complex | 3 | |
| public swimming complex | 3 | |
| stadium | 3 | |
| others | 3 | |
| Treatment room | 5 | |
| Viewing gallery | 1.5 | |
| Visitors lounge | 3 | |
| Waiting area | 3 | |
| Warden’s accommodation | 15 | |
| Workshop | ||
| institutional buildings | 5 | |
| industrial buildings | 10 | |
