NCC 2022 Volume Three - Plumbing Code of Australia
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B4

Part B4 Fire-fighting water services

Part B4 Fire-fighting water services

Introduction to this Part

This Part sets out requirements for any part of a fire-fighting water service from the point of connection or other acceptable source(s) of supply to the fire-fighting equipment, including hydrants, hose reels, sprinkler services, automatic fire suppression systems and wall drencher systems.

Objectives

2019: BO4
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Functional Statements

2019: BF4
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Performance Requirements

2019: BP4.1
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2019: BP4.1

State variations

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2019: BP4.1
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Deemed-to-Satisfy Provisions

2019: B4.1
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2019: B4.2

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Explanatory information: Cross-volume considerations

NCC Volumes One and Two deal with a number of areas of on-site construction which are relevant to fire-fighting water services. These include, but may not be limited to, those listed in Table B4.

Table B4 Cross-volume considerations
Item NCC Volume One Class 2 to 9 buildings NCC Volume Two Class 1 and 10 buildings
Excavations for pipework adjacent to a building and footings B1 Structural provisions H1 Structure
Termite management for attachments to buildings and penetrations through a slab B1 Structural provisions H1 Structure
Penetrations for pipework through a vapour barrier B1 Structural provisions H1 Structure
Pipework in timber bearers and joists of solid timber or engineered wood products B1 Structural provisions H1 Structure
Fittings, fixtures and pipework installations in steel framed construction B1 Structural provisions H1 Structure
Penetrations through a fire-resisting wall or floor C1 Fire resistance Performance Requirements and C4 Protection of openings H3 Fire safety
Fixtures and fittings in a wet area F2 Wet areas and overflow protection  H4 Health and amenity
Service pipework external to the building and penetrations through roof cladding in a bushfire prone area G5 Construction in bushfire prone areas H7 Ancillary provisions and additional construction requirements
Flues, chimneys, pipes, gas storage, domestic fuel tanks, cooling or heating appliances or other services C4 Protection of openings H3 Fire safety
Pipework sound insulation F7 Sound transmission and insulation H4 Health and amenity