Interior restrictions
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List of interior restrictions (Building Standards Act Enforcement Ordinance, Articles 128, 129 and 112)
| Land / structure / scale classification | Total floor area of the portion to be used for the application | Interior restrictions | ||||
|---|---|---|---|---|---|---|
| In case of fire resistant building | In case of quasi fire resistant building | In case of other kinds of building | Living space etc. | Main corridor, stairway, aisle leading to the ground | ||
| 1 | Theater / movie theater / entertainment hall / audience space / public hall / meeting place | (Audience seat) 400m2 or more |
(Audience seat) 100m2 or more |
Noncombustible material* Quasi noncombustible material Flame retardant material (The ceiling of a room of a building having a living space on the third floor or higher floor intended for the purpose detailed in this section shall be noncombustible or quasi noncombustible.) |
Noncombustible material Semiincombustible material |
|
| 2 | Hospitals / clinics (with accommodation facilities for patients) / hotels / inns / lodging houses / dormitories / apartments / retirement houses / child welfare facilities etc. (Refer to Building Standards Act Enforcement Ordinance Article 19 Clause 1) |
(3 floors or more) 300m2 or more (except if compartmentalized with fire partition wall every 100m2 (or 200m2 in case of dwelling unit of an apartment), this also applies to the column to the right) | (2 floors or more) 300m2 or more (Hospitals and clinics are limited only when there is a patient accommodation facility on the second floor) | 200m2 or more | ||
| 3 | Department store / market / exhibition hall / cabaret / cafe / night club / ballet hall / dance hall / amusement center / public bath / waiting room / restaurant / eatery / commercial stores(Except 10m2 or less) | (3 floors or more) 1000m2 or more |
(2 floors or more) 500m2 or more |
200m2 or more | ||
| 4 | In the living space in the ground floor or underground part of the building to be used for the purpose of 1.2.3 | Entire floor area | Noncombustible material Quasi noncombustible material |
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| 5 | Automobile garage / automobile repair shop | Entire floor area | ||||
| 6 | Windowless room for living area (Refer to Building Standards Act Enforcement Ordinance Article 128 Clause 3 Item 2) |
Entire floor area (except those with a ceiling height exceeding 6m) | ||||
| 7 | Depending on the number of floors and the scale of the building |
|
Noncombustible material* Quasi noncombustible material Flame retardant material |
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| 8 | Room for indoor fire usage | Housing: A room for indoor fire usage located on the floor other than the top floor in a building with number of floors of 2 or more | Quasi noncombustible material | － | ||
| Other than housing: all of the rooms for indoor fire usage (except those whose main structural parts are fire resistant structures) | Quasi noncombustible material | |||||
| 9 | Those with number of floors of 11 or more* 1*1 *1 |
Parts of the building compartmentalized with fire partition walls with an area of 100m2 or less | － | |||
| Parts of the building compartmentalized with fire partition walls (excluding those with Type-B Fire Door) with an area of 200m2 or less | Noncombustible material / quasi noncombustible material (also applies to the underground part of the building) | |||||
| Parts of the building compartmentalized with fire partition walls with an area of 500m2 or less | Noncombustible material (also applies to the underground part of the building) | |||||
| 10 | Underground shopping area | Parts of the building compartmentalized with fire partition walls with an area of 100m2 or less | *2 | Noncombustible material (also applies to the underground part of the building) |
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| Parts of the building compartmentalized with fire partition walls with an area of 200m2 or less | Noncombustible material Quasi noncombustible material (also applies to the underground part of the building)* |
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| Parts of the building compartmentalized with fire partition walls with an area of 500m2 or less | Noncombustible material (also applies to the underground part of the building) |
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| 11 | Lobby for entering/exiting emergency elevator | Entire floor area | Noncombustible material (also applies to the underground part of the building) | |||
| ＊1 | According to the provisions of No. 9, no restrictions on the materials used are listed for parts compartmentalized with fire partition walls with an area of 100m2 or less. However, these restrictions are applicable to the provisions of No. 7 depending on the number of floors and the scale of the building. |
|---|---|
| ＊2 | According to the provisions of No. 10, no restrictions on the materials used are listed for parts compartmentalized with fire partition walls with an area of 100m2 or less. However, restrictions specified in No.4 are applicable to the parts of the building intended for purposes specified in No. 1, 2 and 3. |
This table only provides a general overview. For details, please check the latest applicable laws and regulations.