NCC 2022 Volume Two - Building Code of Australia Class 1 and 10 buildings
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Classification
Building class 1a Building class 1b Building class 2 Building class 3 Building class 4 Building class 5 Building class 6 Building class 7a Building class 7b Building class 8 Building class 9a Building class 9b Building class 9c Building class 10a Building class 10b Building class 10c

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Classification
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H1

Part H1 Structure

Part H1 Structure

QLD H1P2 Buildings in flood areas

This clause been deliberately left blank
Building work in designated flood hazard areas is regulated by the Building Act 1975 and Development Code 3.5 - Construction of buildings in flood hazard areas.

QLD H1P3 Termite management measures2019: QLD P2.1.3

Insert QLD clause H1P3 in clause H1P3 as follows:

(1) The risk of primary building element in a Class 1 or 10 building being damaged by subterranean termites must be adequately minimised by the use of a suitable termite management measure that—

  1. if it serves a non-temporary Class 1 building, has a design life of at least 50 years; or
  2. if it serves a building not specified in (a), has a design life of at least 50 years or the specified design life of the building, whichever is the lesser; or
  3. is easily and readily accessible for replenishment or replacement and is capable of being replenished or replaced.

(2) A termite management measure required by (1), to the degree necessary, must—

  1. be accessible to enable the installation, maintenance and inspection of the termite management measure to be carried out; and
  2. incorporate suitable measures to adequately minimise the risk of the termite management measure inadvertently being damaged, bridged or breached.

Explanatory information

QLD H1P3(1) requires a termite management measure in Queensland to have a design life of at least 50 years unless it is easily and readily accessible for replenishment or replacement and is capable of being replenished or replaced. In recognition that some buildings other than non-temporary Class 1 buildings may be designed to last less than 50 years, the option of the termite management measure having a design life at least equal to that specified for the building is given. If this option is used, the design life of the building should be agreed upon by all relevant stakeholders at the design stage and should form part of the documentation kept by the appropriate authority. It should not be assumed that the design life of 50 years in QLD H1P3(1)(a) and (b) applies to any other provisions of the BCA, unless stated.

An example of a termite management measure that may satisfy QLD H1P3(1)(c) is a chemical reticulation system beneath a concrete floor slab laid directly on the ground, provided that the system is easily and readily accessible for replenishment and is capable of being replenished.

An example of a termite management measure that may not satisfy QLD H1P3(1) for a non-temporary Class 1 building is a hand-sprayed chemical beneath a concrete floor slab laid directly on the ground if the chemical does not have a design life of at least 50 years. The concrete floor slab being laid directly on the ground would prevent the area beneath the slab from being easily and readily accessible for replenishment or replacement of the termite management measure.

An example of a termite management measure being inadvertently bridged or breached is when a person places a garden or mulch over the top of or above the level of a termite management measure enabling termites to bypass the measure.

QLD H1D3 Site preparation2019: 3.1.1, 3.1.2, 3.1.4

Delete subclause H1D3(3) and insert QLD H1D3(3) as follows:

(3) Compliance with Part 3.4 of the ABCB Housing Provisions satisfies Performance Requirement H1P1 and QLD H1P3.

QLD H1D6 Framing2019: 3.4.0, 3.4.2-3.4.4

Delete subclause H1D6(4) and insert QLD H1D6(4) as follows:

(4) Performance Requirement H1P1 is satisfied for a timber frame if it is designed and constructed in accordance with the following, as appropriate:

  1. Design of timber structures: AS 1720.1.
  2. Design of nailplated timber roof trusses: AS 1720.5.
  3. Residential timber-framed construction – non-cyclonic areas: AS 1684.2.
  4. Residential timber-framed construction – cyclonic areas: AS 1684.3.
  5. Residential timber-framed construction – non-cyclonic areas (simplified): AS 1684.4.
  6. Installation of particleboard flooring: AS 1860.2.
  7. Timber species: In addition to sub-clauses (a) to (f) above, timber used for structural purposes must be a species scheduled for the appropriate use in Schedules A, B or C of Book 2 of the December 2017 version of the "Queensland Government, Department of Agriculture, Fisheries and Forestry - Construction timbers in Queensland, Book 1 and Book 2: Properties and specifications for satisfactory performance of construction timbers in Queensland - Class 1 and 10 buildings (Houses, carports, garages, greenhouses and sheds)".

QLD H1D10 Flood hazard areas

This clause been deliberately left blank
Building work in designated flood hazard areas is regulated by the Building Act 1975 and the Queensland Development Code 3.5 - Construction of buildings in flood hazard areas.