NCC 2022 Volume Three - Plumbing Code of Australia
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C2

Part C2 Sanitary drainage systems

Part C2 Sanitary drainage systems

Introduction to this Part

This Part sets out the requirements for any part of a sanitary drainage system of a property including from sanitary fixtures, appliances and sanitary plumbing systems from the point of connection to an approved disposal system.

Objectives

2019: CO2
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Functional Statements

2019: CF2.1
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2019: CF2.2
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Performance Requirements

2019: CP2.1
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2019: CP2.2

State variations

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2019: CP2.1
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2019: CP2.1
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2019:CP2.1
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2019: CP2.1
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2019: CP2.1
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NCC Blurbs

Where a point of connection to a Network Utility Operator's sewerage system is not available, an on-site wastewater management system must be designed, installed and maintained in accordance with the requirements and agreement of the relevant authority having jurisdiction.

NCC Title

No point of connection

NCC State
VIC
NCC Variation Type
Insertion
NCC SPTC Current
No point of connection

Verification Methods

2019: CV2.1
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2019: CV2.2

State variations

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New for 2022
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Deemed-to-Satisfy Provisions

2019: C2.1
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2019: C2.2
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2019: C2.3
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2019: C2.4

State variations

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NCC Blurbs

(1) A sanitary drainage system must provide ventilation in accordance with AS/NZS 3500.2.

(2) A sanitary drainage system which connects to an on-site wastewater management system must have—

  1. a secondary vent within 10 metres of the on-site wastewater management system; or
  2. where (a) cannot be achieved, a low level (ground) vent at the sanitary drainage point of connection.

(3) A sanitary drainage system which connects to an on-site wastewater management system must have inspection openings that—

  1. are located at the point of connection to an on-site wastewater management system; and
  2. terminate at or above finished surface level.

Explanatory information

See TAS Figure C2D6 Alternative venting arrangements

Insert TAS figure (C2D6 (explanatory)) as follows:
TAS Figure C2D6 (explanatory): Venting requirements
image-C2D6-venting-requirements-TAS.svg
NCC Title

Venting requirements

NCC State
TAS
NCC SPTC Current
Venting requirements

Explanatory information: Cross-volume considerations

NCC Volumes One and Two deal with a number of areas of on-site construction which are relevant to a sanitary drainage system. These include, but are not limited to, those listed in Table C2.

Table C2 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