Class 1b buildings used for short-term holiday accommodation include cabins in caravan parks, tourist parks, farm stay, holiday resorts and similar tourist accommodation. Such props and scenery are often also stored in backstage areas, which adds to the fire load. Some establishments claim to sell goods to both the wholesale and retail markets. Class 1b is one or more buildings which together constitute, a boarding house, guest house, hostel or the like that, would ordinarily accommodate not more than 12 people; and, have a total area of all floors not more than 300 m2 (measured over the enclosing walls of the building or buildings); or. A Class 1 building includes one or more of the following sub-classifications: Class 1a is one or more buildings, which together form a single dwelling including the following: One of a group of two or more attached dwellings, each being a building, separated by a fire-resisting wall, including a row house, terrace house, town house or villa unit. applies to all Class 9b buildings which are enclosed, regardless of their size. The 3 main hazzard classifications are : Light Hazard Ordinary (OH1 - OH3) Also, any sized building can be classified as Class 1 or Class 2 if it is used to house any number of unrelated people who jointly own or rent it, or share it on a non-rental basis with an owner or tenant. It must be correctly undertaken to achieve NCC aims as appropriate to each building in each circumstance. Volume Three of the NCC covers plumbing and drainage requirements for all building classifications. Figure 1: Identification of Class 1 buildings, Figure 2: Typical Class 1 building configurations, Figure 3: Domestic allotment Classification of buildings and structures, Figure 4: Section showing a typical configuration of Class 1 and Class 2 buildings (with non-combustible roof coverings), Figure 5: Elevation showing a single storey of Class 2 with a common area below, Figure 6: Examples of Class 10 buildings and structures, Part A5 Documentation of design and construction, Specification C1.13a Fire-protected timber, Part D3 Access for people with a disability, Specification E1.5a Class 2 and 3 buildings not more than 25 m in effective height, Part E2 Smoke hazard management (Performance Requirements), Part E2 Smoke hazard management (Deemed-to-Satisfy Provisions), Specification E2.2a Smoke detection and alarm systems, Specification E2.2b Smoke exhaust systems, Specification E2.2d Residential fire safety systems, Part E4 Visibility in an emergency, exit signs and warning systems (DtS), Part F2 Sanitary and other facilities (DtS), Part F5 Sound transmission and insulation (DtS), Specification F5.2 Sound insulation for building elements, Part G1 Minor structures and components (DtS), Part G2 Boilers, pressure vessels, heating appliances, fireplaces, chimneys and flues (DtS), Specification G2.2 Installation of boilers and pressure vessels, Specification G3.8 Fire and smoke control systems in buildings containing atriums, Part G4 Construction in alpine areas (DtS), Part G5 Construction in bushfire prone areas (DtS), Part J5 Air-conditioning and ventilation systems, Specification J1.5a Calculation of U-Value and solar admittance, Specification J1.5b Spandrel panel thermal performance, Specification J1.6 Sub-floor thermal performance, Specification J6 Lighting and power control devices, NSW Part H101 Entertainment venues other than temporary structures and drive-in theatres, Tas Part H114 Premises for manufacture or processing of glass reinforced plastics, 1.4 Design scenarios: NCC Performance Requirements, A6.0 Determining a building classification, However if that office area takes up 12% of the, the residential parts of hotels and motels; and, hotel or motel caretakers', managers' or owners' flats, noting that under certain circumstances such dwellings could be Class 1, Class 2 or Class 3 buildings; and, dormitory accommodation, in schools or elsewhere, noting that a dormitory is generally (but not always) considered to be a, bed and breakfast accommodation, a boarding house, guest house, hostel, or lodging house; and, a building which houses elderly people or other people who require special care. market or sale room, showroom, or service station. Where there is any conflict between what requirements the part should comply with, the more stringent requirement applies. A Class 3 building is a residential building providing long-term or transient accommodation for a number of unrelated persons, including the following: A boarding house, guest house, hostel, lodging house or backpacker accommodation. non habitable building or structure - Class 10aa private garage, carport, shed or the like. Sorry, you need to enable JavaScript to visit this website. Therefore, if 4 or more single dwellings are located on the one allotment and used for short-term holiday accommodation, each single dwelling would be classified as a Class 1b building regardless of the floor area of each dwelling or the combined floor area of all of the dwellings. A building may have parts that have been designed, constructed or adapted for different purposes. . Class 1 buildings are not located above or below another dwelling, or another class of building other than a private garage. To enable safe egress from the stage and backstage areas of a theatre. A Class 2 building is one that includes more than one dwelling, each of which is generally solely occupied by one or more people to the exclusion of others. The NCC provisions for Class 9c buildings are based on minimal on duty on-site staff being available at any time. (In some States or Territories it is not acceptable for a Class 1b building to be used to house elderly people or other people who require special care - it is recommended the local building regulatory body be consulted. A habitable outbuilding which is appurtenant to another building is generally part of that building. Class 10 A non-habitable building or structure. In the past, such progression often necessitated the transfer of a hostel resident (Class 3) to a nursing home (Class 9a). These concessions allow people to rent out rooms in a house, or run a bed and breakfast, without having to comply with the more stringent Class 3 requirements. In the spirit of reconciliation the Australian Building Codes Board acknowledges the Traditional Custodians of country throughout Australia and their connections to land, sea and community. The Class 1b classification can attract concessions applicable to Class 3 buildings. A small toolshed, used for trade-related hobbies for non-commercial purposes or home repairs, on the same allotment as a Class 1 building, would be classified as a Class 10 building. Unless another classification is more suitable an occupiable outdoor area must have the same classification as the part of the building to which it is associated. Stages used for live performances can contain high fire loads due to the props, scenery, lighting, and the like used in such productions. Class 10a - A private garage, carport, shed or the like. Concessions to specific Deemed-to-Satisfy Provisions apply to farm buildings and farm sheds in recognition of their often low risk features, and it is recommended that reference is made to the definitions of "farm building" and "farm shed" for further guidance which may assist determination of an appropriate NCC classification. A Class 6 building is a building where goods or services are directly sold or supplied to the public. In most cases, each of these parts is a separate classification. However, a building could be a mixture of Class 3 and another Class. Figures H1.4(1) and (2) illustrate methods of complying with H1.4(a) and (b). In general, an assessment will be based on the most likely use of the building by appropriate authorities. A Class 9 building is a building of a public nature that includes one or more of the following sub-classifications: Class 9a a health-care building including any parts of the building set aside as laboratories, and includes a health-care building used as a residential care building. The Deemed-to-Satisfy Provisions for a Class 7 or Class 8 farm building or farm shed do not prevent the ability to consider or develop a Performance Solution for a particular building where the requirements may not be considered appropriate or are viewed as too stringent. NSW Part J(A)3 Air-Conditioning and ventilation systems. For example, if a Class 8 commercial poultry building meets all the criteria to be considered a farm building under the Deemed-to-Satisfy Provisions other than the maximum floor area criteria, a Performance Solution could be developed to demonstrate that the concessions for a farm building under the Deemed-to-Satisfy Provisions are appropriate. Building designers should note that Class 3 buildings include hostels for the accommodation of the aged, and Class 9a buildings include nursing homes. Distance between the seats should ordinarily be measured: METHOD OF COMPLIANCE WITH H1.4(b) IF DIFFERENCE BETWEEN LEVELS IS 400-600 MM. A stage and backstage area of a theatre or public hall has a high fire load due to the storage of props and scenery/etc. This means, for example, that it is permissible to classify part of a building as a Class 6/7 building, or a Class 5/6 building, or whatever is appropriate. Advice on such matters should be sought from the relevant authority. H1.7 applies to every enclosed Class 9b building. This means that it applies to theatres, open-deck spectator stands, sporting stadiums, and the like, wherever the public is seated to view an event. The bar includes the bar area and associated standing and seating areas. Unlike a Class 1b building described in A6.1(2)(a), a Class 1b building described in A6.1(2)(b) does not have any floor area limitation. Buildings used for farming-type purposes are often very diverse in nature, occupancy, use and size. Class 2 buildings can be attached to buildings of another Class. See to determine which buildings need to comply with . A Class 2 building is a building containing two or more sole-occupancy units. When making their decision they consider the building's size, purpose, operations and the extent to which people are employed in the building. CLASS 9b: An assembly building in which people may gather for social, theatrical, political, . Class 10b structures are non-habitable structures. A building may have more than one classification (see A6.11). These concessions allow people to rent out rooms in a house, or run a bed and breakfast, without having to comply with the more stringent Class 3 requirements. Class 9b buildings are assembly buildings. H1.4(a) deals with the height difference between the floors supporting seats in a theatre and the like. The expression service station is not intended to cover buildings where panel beating, auto electrical, muffler replacement, tyre replacement and the like are solely carried out. Class 4 classification applies to some types of accommodation located within a Class 5-9 building. Exemption 1 does not apply where the minor use of a building is a laboratory or a Class 2, 3 or 4 part of a building. Advice on such matters should be sought from the relevant authority. in a room in a Class 9b building; or (b) in an auditorium, conference room, meeting room, room for judicatory purposes, or a room in a Class 9b building; or . Part of a building can also have more than one classification. Buildings used for farming-type purposes are often very diverse in nature, occupancy, use and size. Multi-care level facilities are for residents who may require the full range of care services outlined by the Aged Care Act. Apart from their use, the primary difference between Class 1a and Class 1b buildings is that the latter is required to have a greater number of smoke alarms and in some circumstances, access and features for people with a disability. For example, if a Class 8 commercial poultry building meets all the criteria to be considered a farm building under the Deemed-to-Satisfy Provisions other than the maximum floor area criteria, a Performance Solution could be developed to demonstrate that the concessions for a farm building under the Deemed-to-Satisfy Provisions are appropriate. theatres, cinemas and halls, churches, schools, early childhood centres, kindergartens, preschools and child-minding centres; and, indoor cricket, tennis, basketball centres and sport stadiums; and, nightclubs, discotheques, bar areas providing live entertainment and/or containing a dance floor, public halls, dance halls and other places of entertainment; and. A single Class 1 dwelling can be made up of more than one building. The classification of a building or part of a building is determined by the purpose for which it is designed, constructed or adapted to be used. Depending upon whether the criteria in the definition of farm shed or farm building have been met, the associated Deemed-to-Satisfy Provisions in NCC Volume One Part H3 may apply. Accommodation for the aged, children, or people with disability. The Performance Requirements for Part H1 are contained in Sections C, D and E. Part H1 contains additional Deemed-to-Satisfy Provisions for Class 9b buildings. A6.9(2) excludes any parts of the building that are of another Class. 500 mm if the distance to an aisle is more than 3.5 m. To enable the evacuation of an audience from the seating area. The audience must be protected from this fire source by either: A proscenium wall must comply with Specification H1.3. See Figure 6 for an indication of some Class 10 building configurations. Services. Where there is any common space below such dwellings, they are Class 2 (and cannot be Class 1) irrespective of whether the space below is a storey or not (see Figure 5). The NCC has definitions of "farm building" and "farm shed" which are certain Class 7 and 8 buildings used for farming purposes. It is also a potential fire source due to stored props, scenery, lighting, special effects, and the like. It is expected that this approach may be taken by a builder who is uncertain of what the precise use of a building will be after its sale, or to maximise the flexibility of the building's use. Accordingly, such dwellings are either classified as Class 1, Class 2 or Class 3, depending on the circumstances of the building proposal. the gradient of the floor surface must not be steeper than 1 in 8, or the floor must be stepped so that, a line joining the nosings of consecutive steps does not exceed an angle of 30 to the horizontal; and, the height of each step in the stepped floor is not more than 600 mm; and, the height of any opening in such a step is not more than 125 mm; and, if an aisle divides the stepped floor and the difference in level between any 2 consecutive steps, exceeds 230 mm but not 400 mm an intermediate step must be provided in the aisle; and, exceeds 400 mm 2 equally spaced intermediate steps must be provided in the aisle; and, the going of intermediate steps must be not less than 270 mm and such as to provide as nearly as practicable equal treads throughout the length of the aisle; and, the clearance between rows of fixed seats used for viewing performing arts, sport or recreational activities must be not less than, 300 mm if the distance to an aisle is not more than 3.5 m; or.