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1.1.1 Definitions

1.1.1.1

*  *  *  *  *

This clause has deliberately been left blank.

1.1.1.2

In the Open link in same pageHousing Provisions, unless the contrary appears:

Alpine area means land—
  1. likely to be subject to significant snowfalls; and
  2. in New South Wales, ACT or Victoria more than 1200 m above the Australian Height Datum; and
  3. in Tasmania more than 900 m above the Australian Height Datum.
Explanatory information:

See Open link in same pagePart 3.7.5 for map of Open link in same pagealpine areas.

Alteration, in relation to a building, includes an addition or extension to a building.
Alternative Solution means a Open link in same pagePerformance Solution.
Appropriate authority means the relevant authority with the statutory responsibility to determine the particular matter.

STATE AND TERRITORY VARIATIONS

Definition of appropriate authority has been replaced in New South Wales as follows:

Appropriate authority means the relevant authority with the responsibility to determine the particular matter.

Articulated masonry means masonry construction in which special provisions have been made for movement by articulation.
Assessment Method means a method that can be used for determining or establishing that a Open link in same pagePerformance Solution or Open link in same pageDeemed-to-Satisfy Solution complies with the Open link in same pagePerformance Requirements.
Automatic, applied to a fire door, smoke door, solid core door, fire shutter, fire Open link in same pagewindow, smoke-and-heat vent, sprinkler system, alarm system or the like, means designed to operate when activated by a heat, smoke or fire sensing device.
Average recurrence interval, applied to rainfall, means the average or expected interval between exceedances for a 5 minute duration rainfall intensity.
Boiler means a vessel or an arrangement of vessels and interconnecting parts, wherein steam or other vapour is generated, or water or other liquid is heated at a pressure above that of the atmosphere, by the application of fire, the products of combustion, electrical power, or similar high temperature means, and—
  1. includes superheaters, reheaters, economisers, Open link in same pageboiler piping, supports, mountings, valves, gauges, fittings, controls, the Open link in same pageboiler settings and directly associated equipment; but
  2. excludes a fully flooded or pressurised system where water or other liquid is heated to a temperature lower than the normal atmospheric boiling temperature of the liquid.
Building Solution means a solution which complies with the Open link in same pagePerformance Requirements and is a—
  1. Open link in same pagePerformance Solution; or
  2. Open link in same pageDeemed-to-Satisfy Solution; or
  3. combination of (a) and (b).
Breaking surf means any area of salt water in which waves break on an average of at least 4 days per week but does not include white caps or choppy water.
Explanatory information:

Breaking surf normally occurs in areas exposed to the open sea. Open link in same pageBreaking surf does not normally occur in sheltered areas, such as that which occurs around Port Phillip Bay, Sydney Harbour, Swan River, Derwent River and similar locations.

STATE AND TERRITORY VARIATIONS

In South Australia insert brush fence as follows:

Brush fence means a fence or gate that is primarily constructed of Broombrush (Melaleuca Uncinata).

Cavity means a void between 2 leaves of masonry, or in masonry veneer construction, a void between a leaf of masonry and the supporting frame.
Cavity wall, for the purposes of Open link in same pageV2.2.1, means a wall that incorporates a drained cavity.
Certificate of Accreditation means a certificate issued by a State or Territory accreditation authority stating that the properties and performance of a building material or method of construction or design fulfil specific requirements of the Open link in same pageHousing Provisions.
Certificate of Conformity means a certificate issued under the ABCB scheme for products and systems certification stating that the properties and performance of a building material or method of construction or design fulfil specific requirements of the Open link in same pageHousing Provisions.
Clad frame means timber or metal frame construction with exterior timber or sheet wall cladding that is not sensitive to minor movement and includes substructure masonry walls up to 1.5 m high.
Climate zone, for the purposes of Open link in same pagePart 2.6 and Open link in same pagePart 3.12, means an area defined in Open link in same pageFigure 1.1.4 and in Open link in same pageTable 1.1.2 for specific locations, having energy efficiency provisions based on a range of similar climatic characteristics.

 

Figure 1.1.4- CLIMATE ZONES FOR THERMAL DESIGN

Show Full Sized ImageFig1-4-1 CLIMATE ZONES FOR THERMAL DESIGN

Notes:

  1. This map can be viewed in enlargeable form on the ABCB website at www.abcb.gov.au.
  2. A Zone 4 area in South Australia, other than a council area, at an altitude greater than 300 m above the Australian Height Datum is to be considered as Zone 5.

    These areas have been defined in an enlarged format on the following maps produced by the Department of Planning, Transport and Infrastructure:

    Adelaide Hills Council Climate Zone Map

    Barossa Council Climate Zone Map

    Regional Council of Goyder Climate Zone Map

    These maps can be viewed on the Government of South Australia website at www.sa.gov.au

  3. Locations in climate zone 8 are in alpine areas.

Table 1.1.2 Climate Zones for Thermal Design - Various Locations

Location Climate Zone Location Climate Zone Location Climate Zone Location Climate Zone
Australian Capital Territory Canberra 7    
New South Wales
Albury 4 Byron Bay 2 Lord Howe Island 2 Tamworth 4
Armidale 7 Cobar 4 Moree 4 Thredbo 8
Batemans Bay 6 Coffs Harbour 2 Newcastle 5 Wagga Wagga
4
Bathurst 7 Dubbo 4 Nowra 6 Williamtown
5
Bega 6 Goulburn 7 Orange 7 Wollongong
5
Bellingen Shire - Dorrigo Plateau 7 Grafton 2 Perisher Smiggins 8 Yass
6
Bellingen Shire - Valley & Seaboard 2 Griffith 4 Port Macquarie 5

Bourke 4 Ivanhoe 4 Sydney East 5

Broken Hill
4  Lismore  2  SydneyWest 6    
Northern Territory
Alice Springs 3 Elliot 3 Renner Springs 3 Darwin 1
Katherine 1 Tennant Creek 3  
Queensland
Birdsville 3 Cunnamulla 3 Maryborough 2 Toowoomba 5
Brisbane 2 Longreach 3 Mount Isa 3 Torrens Creek 3
Bundaberg 2 Gladstone 2 Normanton 1 Townsville 1
Cairns 1 Labrador 2 Rockhampton 2 Warwick 5
Cooktown 1 Mackay 2 Roma 3 Weipa 1
South Australia
Adelaide 5 Kingscote 6 Marree 4 Port Lincoln 5
Bordertown 6 Leigh Creek 5 Mount Gambier 6 Renmark 5
Ceduna 5 Lobethal 6 Murray Bridge 6 Tarcoola 4
Cook 4 Loxton 5 Oodnadatta 4 Victor Harbour 6
Elliston 5 Naracoorte 6 Port Augusta 4 Whyalla 4
Tasmania
Burnie 7 Flinders Island 7 Launceston 7 Rossarden 7
Bicheno 7 Hobart 7 New Norfolk 7 Smithton 7
Deloraine 7 Huonville 7 Oatlands 7 St Marys 7
Devonport 7 King Island 7 Orford 7 Zeehan 7
Victoria
Anglesea 6 Bright 7 Horsham 6 Swan Hill 4
Ararat 7 Colac 6 Melbourne 6 Traralgon 6
Bairnsdale 6 Dandenong 6 Mildura 4 Wangaratta 7
Ballarat 7 Echuca 4 Portland 6 Warrnambool 6
Benalla 6 Geelong 6 Sale 6 Wodonga 6
Bendigo 6 Hamilton 7 Shepparton 4    
Western Australia
Albany 6 Cocos Island 1 Kalgoorlie- Boulder 4 Port Hedland 1
Balladonia 4 Derby 1 Karratha 1 Wagin 4
Broome 1 Esperance 5 Meekatharra 4 Wyndham 1
Bunbury 5 Exmouth 1 Northam 4

Carnarvon
3
Geraldton
5
Pemberton
6

Christmas Island
1 Halls Creek 3  Perth  5    
Combustible
  1. applied to a material — means Open link in same pagecombustible under AS 1530.1; or
  2. applied to construction or part of a building — means constructed wholly or in part of Open link in same pagecombustible materials.
Common wall means a wall that is common to adjoining buildings other than Class 1 buildings.
Conditioned space means a space within a building that is heated or cooled by the building’s Open link in same pagedomestic services, excluding a non-Open link in same pagehabitable room in which a heater with a capacity of not more than 1.2 kW or 4.3 MJ/hour is installed.
Construction activity actions means actions due to stacking of building materials or the use of equipment, including cranes and trucks, during construction or actions which may be induced by floor-to-floor propping.
Controlled fill means material that has been placed and compacted in layers with compaction equipment (such as a vibrating plate) within a defined moisture range to a defined density requirement.
Cooling load means the calculated amount of energy removed from the cooled spaces of the building annually by artificial means to maintain the desired temperatures in those spaces.
Damp-proof course (DPC) means a continuous layer of impervious material placed in a masonry wall or pier, or between a wall or pier and a floor, to prevent the upward or downward migration of water.
Deemed-to-Satisfy Provisions means provisions which are deemed to satisfy the Open link in same pagePerformance Requirements.
Deemed-to-Satisfy Solution means a method of satisfying the Open link in same pageDeemed-to-Satisfy Provisions.
Defined flood event (DFE) means the flood event selected for the management of flood hazard for the location of specific development as determined by the Open link in same pageappropriate authority.
Defined flood level (DFL) means the flood level associated with a Open link in same pagedefined flood event relative to a specified datum (see Open link in same pageFigure 1.1.5).

Figure 1.1.5

IDENTIFICATION OF DEFINED FLOOD LEVEL, FLOOD HAZARD LEVEL AND FREEBOARD

Show Full Sized ImageFigure 1.1.5 IDENTIFICATION OF DEFINED FLOOD LEVEL, FLOOD HAZARD LEVEL AND FREEBOARD
Designated bushfire prone area means land which has been designated under a power in legislation as being subject, or likely to be subject, to bushfires.

STATE AND TERRITORY VARIATIONS 

Definition of designated bushfire prone area has been replaced in New South Wales as follows:

Designated bushfire prone area means land that:

  1. has been designated under legislation; or
  2. has been identified under an environmental planning instrument, development control plan or in the course of processing and determining a development application,

as land that can support a bushfire or is likely to be subject to bushfire attack.

Design wind speed means the design gust wind speed for the area where the building is located, calculated in accordance with AS/NZS 1170.2 or AS 4055 (see Open link in same pageTable 1.1.1 for wind classes).

Table 1.1.1 WIND CLASSES

Wind Classes
Non-cyclonic Region A and B Cyclonic Region C and D
N1 N2 N3 N4 N5 N6 C1 C2 C3 C4

Notes:

  1. Wind classification map identifying wind regions is contained in Open link in same pagePart 3.10.1 (see Figure 3.10.1.4).
  2. Information on wind classes for particular areas may be available from the Open link in same pageappropriate authority.
  3. Shaded areas denote wind classes covered by Open link in same pagePart 3.10.1, High Wind Areas.
  4. "N” = non-cyclonic winds and “C” = cyclonic winds.
Direct fix cladding wall, for the purposes of Open link in same pageV2.2.1, means a wall with cladding attached directly to the wall framing without the use of a drained cavity.
Domestic services means the basic engineering systems that use energy or control the use of energy; and—
  1. includes—
    1. heating, air-conditioning, mechanical ventilation and artificial lighting; and
    2. pumps and heaters for Open link in same pageswimming pools and spa pools; and
    3. heated water systems; but
  2. excludes cooking facilities and portable appliances.
Envelope, for the purposes of Open link in same pagePart 2.6 and Open link in same pagePart 3.12, means the parts of a building’s Open link in same pagefabric that separate artificially heated or cooled spaces from—
  1. the exterior of the building; or
  2. other spaces that are not artificially heated or cooled.
Equivalent means equivalent to the level of health, safety and amenity provided by the Open link in same pageDeemed-to-Satisfy Provisions.
Expert Judgement means the judgement of an expert who has the qualifications and experience to determine whether a Open link in same pagePerformance Solution or Open link in same pageDeemed-to-Satisfy Solution complies with the Open link in same pagePerformance Requirements.
External wall means an outer wall of a building which is not a Open link in same pageseparating wall.
Fabric, for the purposes of Open link in same pagePart 2.6 and Open link in same pagePart 3.12, means the basic building structural elements and components of a building including the roof, ceilings, walls and floors.
Finished ground level, for the purposes of Part 3.2, means the ground level adjacent to footing systems at the completion of construction and landscaping.
Fire-protective covering means—
  1. 13 mm fire-protective grade plasterboard; or
  2. 12 mm cellulose cement flat sheeting complying with AS/NZS 2908.2 or ISO 8336; or
  3. 12 mm fibrous plaster reinforced with 13 mm x 13 mm x 0.7 mm galvanised steel wire mesh located not more than 6 mm from the exposed face; or
  4. other material not less fire-protective than 13 mm fire-protective grade plasterboard, fixed in accordance with the normal trade practice for a Open link in same pagefire-protective covering.
Fire-resistance level (FRL) means the grading periods in minutes determined in accordance with Specification A2.3 of BCA Volume One, for—
  1. Open link in same pagestructural adequacy; and
  2. Open link in same pageintegrity; and
  3. Open link in same pageinsulation,

and expressed in that order.

Explanatory information:

A dash means there is no requirement for that criterion. For example, 90/–/– means there is no FRL for integrity and insulation.

Fire-resisting , applied to a Open link in same pagestructural member or other part of a building, means having the FRL Open link in same pagerequired for that Open link in same pagestructural member or other part.
Flammability Index means the index number determined under AS 1530.2.
Flashing means a strip or sleeve of impervious material dressed, fitted or built-in to provide a barrier to moisture movement, or to divert the travel of moisture, or to cover a joint where water would otherwise penetrate to the interior of a building.
Flood hazard area means the Open link in same pagesite (whether or not mapped) encompassing land lower than the Open link in same pageflood hazard level which has been determined by the Open link in same pageappropriate authority.

STATE AND TERRITORY VARIATIONS

In Victoria the definition of flood hazard area is replaced as follows:

Flood hazard area means the Open link in same pagesite (whether or not mapped) encompassing land in an area liable to flooding within the meaning of Regulation 802 of the Building Regulations 2006.

Flood hazard level (FHL) means the flood level used to determine the height of floors in a building and represents the Open link in same pagedefined flood level plus the Open link in same pagefreeboard (see Open link in same pageFigure 1.1.5).
Flight means that part of a stair that has a continuous series of Open link in same pagerisers, including Open link in same pagerisers of Open link in same pagewinders, not interrupted by a Open link in same pagelanding or floor (see Open link in same pageFigure 1.1.7).
Explanatory information:

A Open link in same pageflight is the part of a stair that has a continuous slope created by the nosing line of treads. The length of a Open link in same pageflight is limited to restrict the distance a person could fall down a stair. Quarter Open link in same pagelandings, as shown in Open link in same pageFigure 1.1.7, are considered sufficient to halt a person’s fall and therefore are considered for the purposes of this document not to be part of the Open link in same pageflight.

Figure 1.1.7

IDENTIFICATION OF STAIR FLIGHTS — Plan view

Show Full Sized ImageFigure 1.1.7 IDENTIFICATION OF STAIR FLIGHTS — Plan view
Floor area means, in relation to a room, the area of the room measured within the finished surfaces of the walls, and includes the area occupied by any cupboard or other built-in furniture, fixture or fitting (see Open link in same pageFigure 1.1.1).

Figure 1.1.1

IDENTIFICATION OF FLOOR AREA OF A ROOM

Show Full Sized ImageFigure 1.1.1 IDENTIFICATION OF FLOOR AREA OF A ROOM
Foundation means the ground which supports the building (see Open link in same pageFigure 1.1.2).

Figure 1.1.2

IDENTIFICATION OF FOUNDATION

Show Full Sized ImageFigure 1.1.2 IDENTIFICATION OF FOUNDATION
Footing means construction that transfers the load from the building to the Open link in same pagefoundation.
Freeboard means the height above the Open link in same pagedefined flood level as determined by the Open link in same pageappropriate authority, used to compensate for effects such as wave action and localised hydraulic behaviour (see Open link in same pageFigure 1.1.5).

STATE AND TERRITORY VARIATIONS

In Victoria the definition of freeboard is replaced as follows:

Freeboard means the minimum height of the level of the lowest floor of a building above the Open link in same pagedefined flood level, regulated by the relevant planning scheme, or specified or otherwise determined by the relevant council under Regulation 802 of the Building Regulations 2006 (see Open link in same pageFigure 1.1.5).

Glazing, for the purposes of Open link in same pagePart 2.6 and Open link in same pagePart 3.12, means a transparent or translucent element and its supporting frame located in the external Open link in same pagefabric of the building, and includes a Open link in same pagewindow other than a Open link in same pageroof light.
Going means the horizontal dimension from the front to the back of a tread less any overhang from the next tread or Open link in same pagelanding above (see Open link in same pageTable 3.9.1.1).
Habitable room means a room used for normal domestic activities, and—
  1. includes a bedroom, living room, lounge room, music room, television room, kitchen, dining room, sewing room, study, playroom, family room, home theatre and sunroom; but
  2. excludes a bathroom, laundry, water closet, pantry, walk-in wardrobe, corridor, hallway, lobby, photographic darkroom, clothes-drying room, and other spaces of a specialised nature occupied neither frequently nor for extended periods.
Heating load means the calculated amount of energy delivered to the heated spaces of the building annually by artificial means to maintain the desired temperatures in those spaces.
High wind area means a region that is subject to Open link in same pagedesign wind speeds more than N3 or C1 (see Open link in same pageTable 1.1.1).
House energy rating software means software accredited under the Nationwide House Energy Rating Scheme and is limited to assessing the potential thermal efficiency of the dwelling envelope.
Explanatory information:

The Nationwide House Energy Rating Scheme (NatHERS) refers to the Australian governments' scheme that facilitates consistent energy ratings from software tools which are used to assess the potential thermal efficiency of dwelling envelopes.

Housing Provisions means the requirements for Class 1 and 10 buildings contained in Volume Two of the Building Code of Australia as published by the Australian Building Codes Board.
Illuminance means the luminous flux falling onto a unit area of surface.
Illumination power density (W/m 2 ) means the total of the power that will be consumed by the lights in a space, including any lamps, ballasts, current regulators and control devices other than those that are plugged into socket outlets for intermittent use such as floor standing lamps, desk lamps or work station lamps, divided by the area of the space.
Explanatory information:
  1. Open link in same pageIllumination power density relates to the power consumed by the lighting system and includes the light source or luminaire and any control device. The power for the lighting system is the illumination power load. This approach is more complicated than the Open link in same pagelamp power density approach but provides more flexibility for a dwelling with sophisticated control systems.
  2. The area of the space refers to the area the lights serve. This could be considered a single room, open plan space, verandah, balcony or the like, or the total area of all these spaces.
Insulation, in relation to an FRL, means the ability to maintain a temperature on the surface not exposed to the furnace below the limits specified in AS 1530.4.
Integrity, in relation to an FRL, means the ability to resist the passage of flames and hot gases specified in AS 1530.4.
Lamp power density (W/m 2 ) means the total of the maximum power rating of the lamps in a space, other than those that are plugged into socket outlets for intermittent use such as floor standing lamps or desk lamps or work station lamps, divided by the area of the space.
Explanatory information:
  1. Open link in same pageLamp power density is a simple means of setting energy consumption at an efficient level for Class 1 and associated Class 10a buildings.
  2. Lamp refers to the globe or globes that are to be installed in a permanently wired light fitting. The maximum power of a lamp is usually marked on the fitting as the maximum allowable wattage.
  3. The area of the space refers to the area the lights serve. This could be considered a single room, open plan space, verandah, balcony or the like, or the total area of all these spaces.
Landing means an area at the top or bottom of a Open link in same pageflight or between two Open link in same pageflights.
Lightweight construction means construction which incorporates or comprises—
  1. sheet or board material, plaster, render, sprayed application, or other material similarly susceptible to damage by impact, pressure or abrasion; or
  2. concrete and concrete products containing pumice, perlite, vermiculite, or other soft material similarly susceptible to damage by impact, pressure or abrasion; or
  3. masonry having a thickness less than 70 mm.
Loadbearing means intended to resist vertical forces additional to those due to its own weight.
Loadbearing wall, for the purposes of Part 3.2, means any wall imposing on the footing a load greater than 10 kN/m.
Low rainfall intensity area means an area with a 5 minute rainfall intensity for an Open link in same pageaverage recurrence interval of 20 years of not more than 125 mm/hour.
Explanatory information:

Rainfall intensity figures can be obtained from Open link in same pageTable 3.5.2.1.

Mixed construction means a building consisting of more than one form of construction, particularly in double-storey buildings.
Non-combustible
  1. applied to a material — means not deemed Open link in same pagecombustible under AS 1530.1 — Combustibility Tests for Materials; and
  2. applied to construction or part of a building — means constructed wholly of materials that are not deemed Open link in same pagecombustible.
Other property means all or any of the following—
  1. any building, whether or not on the same or an adjoining allotment; and
  2. any adjoining allotment; and
  3. a road.
Outdoor air means air outside the building.
Outfall means that part of the disposal system receiving Open link in same pagesurface water from the drainage system and may include a natural water course, kerb and channel, or soakage system.
Performance Requirement means a requirement which states the level of performance which a Open link in same pagePerformance Solution or Open link in same pageDeemed-to-Satisfy Solution must meet.
Performance Solution (Alternative Solution) means a method of complying with the Open link in same pagePerformance Requirements other than by a Open link in same pageDeemed-to-Satisfy Solution.
Perimeter of building, for the purposes of Open link in same pagePart 3.6, means the external envelope of a building.
Piping means an assembly of pipes, with or without valves or other fittings, connected together for the conveyance of liquids.
Pressure vessel means a vessel subject to internal or external pressure. It includes interconnected parts and components, valves, gauges and other fittings up to the first point of connection to connecting piping, and—
  1. includes fire heaters and gas cylinders; but
  2. excludes—
    1. any vessel that falls within the definition of a Open link in same pageboiler; and
    2. storage tanks and equipment tanks intended for storing liquids where the pressure at the top of the tank is not exceeding 1.4 kPa above or 0.06 kPa below atmospheric pressure; and
    3. domestic-type hot water supply heaters and tanks; and
    4. pressure vessels used for fire suppression.
Primary building element , for the purposes of Open link in same pagePart 3.1.3, means a member of a building designed specifically to take part of the building loads and includes roof, ceiling, floor, stairway or ramp and wall framing members including bracing members designed for the specific purpose of acting as a brace to those members.
Explanatory information:

The loads to which a building may be subjected are dead, live, wind, snow and earthquake loads. Further information on building loads can be found in the 1170 series of Standards.

STATE AND TERRITORY VARIATIONS

In Queensland delete definition of primary building element and replace with the following:

Primary building element means—

  1. a member of a building designed specially to take part of the building loads and includes roof, ceiling, floor, stairway or ramp and wall framing members including bracing members designed for the specific purpose of acting as a brace to those members; and
  2. door jambs, window frames and reveals, architraves and skirtings.
Private bushfire shelter means a structure associated with, but not attached to, or part of a Class 1a dwelling that may, as a last resort, provide shelter for occupants from immediate life threatening effects of a bushfire.
Private garage means—
  1. any garage associated with a Class 1 building; or
  2. any separate single storey garage associated with another building where such garage contains not more than 3 vehicle spaces.
Professional engineer means a person who is—
  1. if legislation is applicable — a registered Open link in same pageprofessional engineer in the relevant discipline who has appropriate experience and competence in the relevant field; or
  2. if legislation is not applicable—
    1. a Corporate Member of the Institution of Engineers, Australia; or
    2. eligible to become a Corporate Member of the Institution of Engineers, Australia, and has appropriate experience and competence in the relevant field.
R-Value (m2.K/W) means the thermal resistance of a component calculated by dividing its thickness by its thermal conductivity.
Reference building means a hypothetical building that is used to determine the maximum allowable Open link in same pageheating load and Open link in same pagecooling load for the proposed building.
Reflective insulation means a building membrane with a reflective surface such as a reflective foil laminate, reflective barrier, foil batt or the like capable of reducing radiant heat flow.
Explanatory information:
  1. Typical Open link in same pageR-values achieved by adding Open link in same pagereflective insulation are given in the explanatory information accompanying Open link in same pageFigures 3.12.1.1, Open link in same page3.12.1.3 and Open link in same page3.12.1.4. Information on specific products may be obtained from Open link in same pagereflective insulation manufacturers.
  2. The surface of Open link in same pagereflective insulation may be described in terms of its emittance (or infra-red emittance) or in terms of its reflectance (or solar reflectance). Generally, for the surface of a particular Open link in same pagereflective insulation – emittance + reflectance = 1.
  3. Some types of Open link in same pagereflective insulation may also serve the purposes of waterproofing or vapour proofing.
Registered Testing Authority means—
  1. an organisation registered by the National Association of Testing Authorities (NATA) to test in the relevant field; or
  2. an organisation outside Australia registered by an authority recognised by NATA through a mutual recognition agreement; or
  3. an organisation recognised as being a Open link in same pageRegistered Testing Authority under legislation at the time the test was undertaken.
Reinforced masonry means masonry reinforced with steel reinforcement that is placed in a bed joint or grouted into a core to strengthen the masonry.
Renewable energy means energy that is derived from sources that are regenerated, replenished, or for all practical purposes cannot be depleted and the energy sources include, but are not limited to, solar, wind, hydroelectric, wave action and geothermal.
Resistance to the incipient spread of fire , in relation to a ceiling membrane, means the ability of the membrane to insulate the space between the ceiling and roof, or ceiling and floor above, so as to limit the temperature rise of materials in this space to a level which will not permit the rapid and general spread of fire throughout the space.
Explanatory information:

Resistance to the incipient spread of fire refers to the ability of a ceiling to prevent the spread of fire and thermally insulate the space between the ceiling and the roof or floor above. "Open link in same pageResistance to the incipient spread of fire" is superior to "fire-resistance" because it requires a higher standard of heat insulation (see Open link in same page1.2.5).

The definition is used in Volume Two for separating floors/ceilings for a Class 1a dwelling located above a non-appurtenant Open link in same pageprivate garage.

Riser means the height between consecutive treads and between each Open link in same pagelanding and continuous tread.
Rolled fill means material placed in layers and compacted by repeated rolling by an excavator.
Roof light, for the purposes of Open link in same pagePart 2.6, Open link in same pagePart 3.8.4 and Open link in same pagePart 3.12, means a skylight, Open link in same pagewindow or the like installed in a roof—
  1. to permit natural light to enter the room below; and
  2. at an angle between 0 and 70 degrees measured from the horizontal plane.
Sanitary compartment means a room or space containing a closet pan or urinal (see Open link in same pageFigure 1.1.6).

Figure 1.1.6

IDENTIFICATION OF A SANITARY COMPARTMENT

Show Full Sized ImageFigure 1.1.6.1 IDENTIFICATION OF A SANITARY COMPARTMENT

Show Full Sized ImageFigure 1.1.6.2 IDENTIFICATION OF A SANITARY COMPARTMENT

Sarking-type material means a material such as a Open link in same pagereflective insulation or other flexible membrane of a type normally used for a purpose such as waterproofing, vapour proofing or thermal reflectance.
Self-closing, applied to a door or Open link in same pagewindow, means equipped with a device which returns the door or Open link in same pagewindow to the fully closed and latched position immediately after each manual opening.
Separating wall means a wall that is common to adjoining Class 1 buildings (see Open link in same pageFigure 1.1.3).

Figure 1.1.3

SEPARATING WALL

Show Full Sized ImageFigure 1.1.3 SEPARATING WALL
Note: May also be known as a party wall and typically is Open link in same pagerequired to be Open link in same pagefire-resisting construction (see Open link in same pagePart 3.7.1).
Shower area means the area affected by water from a shower, including a shower over a bath.
Single leaf masonry means outer walls constructed with a single thickness of masonry unit.
Site means the part of the allotment of land on which a building stands or is to be erected.
Sitework means work on or around a Open link in same pagesite, including earthworks, preparatory to or associated with the construction, Open link in same pagealteration, demolition or removal of a building.
Smoke-Developed Index means the index number for smoke developed under AS/NZS 1530.3.
Spiral stairway means a stairway with a circular plan, winding around a central post with steps that radiate from a common centre or several radii (see Open link in same pageFigure 3.9.1.2).
Spread-of-Flame Index means the index number for spread of flame under AS/NZS 1530.3.
Standard Fire Test means the Fire-resistance Test of Elements of Building Construction as described in AS 1530.4.
Structural adequacy, in relation to an FRL, means the ability to maintain stability and adequate Open link in same pageloadbearing capacity under AS 1530.4.
Structural member means a component or part of an assembly which provides vertical or lateral support to a building or structure.
Surface water means all naturally occurring water, other than sub-surface water, which results from rainfall on or around the Open link in same pagesite or water flowing onto the Open link in same pagesite.
Swimming pool means any excavation or structure containing water and principally used, or designed, manufactured or adapted to be principally used for swimming, wading, paddling, or the like, including a bathing or wading pool, or spa.
Tapered tread means a stair tread with a walking area that grows smaller towards one end.
Total energy load means the sum of the Open link in same pageheating load and Open link in same pagecooling load divided by the conditioned Open link in same pagefloor area (MJ/m2 conditioned Open link in same pagefloor area. annum).
Total R-Value means the sum of the Open link in same pageR-Values of the individual component layers in a composite element including any building material, insulation material, airspace and associated surface resistances.
Total System Solar Heat Gain Coefficient (SHGC) means the fraction of incident irradiance on Open link in same pageglazing or a Open link in same pageroof light that adds heat to a building’s space.
Total System U-Value (W/m2.K) means the thermal transmittance of the composite element allowing for the effect of any airspace and associated surface resistances.
Unique wall, for the purposes of Open link in same pageV2.2.1, means a wall which is neither a Open link in same pagecavity wall nor a Open link in same pagedirect fix cladding wall.
Unobstructed opening, for the purposes of Open link in same pagePart 3.6, means a glazed area that a person could mistake for an open doorway or clearway and walk into the glazed panel.
Unreinforced masonry means masonry that is not reinforced.
Ventilation opening means an opening in the Open link in same pageexternal wall, floor or roof of a building designed to allow air movement into or out of the building by natural means including a permanent opening, an openable part of a Open link in same pagewindow, a door or other device which can be held open.
Verification Method means a test, inspection, calculation or other method that determines whether a Open link in same pagePerformance Solution complies with the relevant Open link in same pagePerformance Requirements.
Vessel, for the purposes of Open link in same pagePart 3.8.1, means an open, pre-formed, pre-finished concave receptacle capable of holding water, usually for the purpose of washing, including a basin, sink, bath, laundry tub and the like.
Waffle raft means a stiffened raft with closely spaced ribs constructed on the ground and with slab panels supported between ribs.
Waterproof means the property of a material that does not allow moisture to penetrate through it.
Water resistant means the property of a system or material that restricts moisture movement and will not degrade under conditions of moisture.
Wet area means an area within a building supplied with water from a water supply system, which includes bathrooms, showers, laundries and sanitary compartments and excludes kitchens, bar areas, kitchenettes or domestic food and beverage preparation areas.
Winders means treads within a straight Open link in same pageflight that are used to change direction of the stair (see Open link in same pageFigure 1.1.7).
Window includes a roof light, glass panel, glass block or brick, glass louvre, glazed sash, glazed door, or other device which transmits natural light directly from outside a building to the room concerned when in the closed position.