NCC 2022 Volume Three - Plumbing Code of Australia
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C3

Part C3 On-site wastewater management

Part C3 On-site wastewater management

TAS C3P5 General requirementsNew for 2022

Delete clause C3P5 and insert TAS C3P5 as follows:

On-site wastewater management systems that facilitate on-site storage, treatment, disposal or re-use of wastewater must be designed and constructed—

  1. with required treatment and storage capacity for the volume and make up of waste and frequency of discharge for disposal; and
  2. with required size, strength and rigidity for the nature, flow rates, volume of wastes and/or waste products which must be processed; and
  3. using materials which are impervious both to the waste for which disposal is required and to water; and
  4. to avoid the likelihood of surface water and stormwater entering the system; and
  5. so that access or inspection openings provided for desludging and maintenance terminate at or above finished surface level.
  6. so that the installation throughout its serviceable life will continue to satisfy the requirements of C3P1 to C3P9.

Explanatory information

For alternative venting arrangements, see clause C2D6 in sanitary drainage.

TAS C3D6 Land application systems2019: HP1.4

Delete clause C3D6 and insert TAS C3D6 as follows:

(1) An On-site wastewater management system and associated land application system must avoid the following:

  1. Damage from root penetration, superimposed loads or ground movement.
  2. Entry of water, foul air or gasses from the system into buildings.
  3. Entry of stormwater into the system.
  4. Blockage and unintended or uncontrolled discharge.

(2) An On-site wastewater management system and associated land application system must provide the following:

  1. Protection against internal contamination.
  2. Access for maintenance and cleaning.
  3. Ventilation to avoid foul air and gasses accumulation in the system.

(3) A facility must continue to satisfy the requirements of C3D6(1) and C3D6(2).