WC (Ambulant) Building Codes & Rules

All Building Classes

NCC 2022 F4D5 [2019 F2.4]

May 2023

• Provision of access for people with disabilities in compliance to NCC Part F4 & AS 1428.1
• Withstand 1100N force in any direction^{AS 1428.1:2009, 17 (c)}
• Dimensions
• Ø 30 to 40mm^{AS 1428.1:2009, 17 (a)}
• Ø ≥ 5mm exposed edges & corner^{AS 1428.1:2009, 17 (b)}
• Clearances^{AS 1428.1:2009, 17 (d)}
• 50 to 60mm to adjacent surface
• 600mm above
• 50mm below
• Exemption at fixing points
• 270°^{AS 1428.1:2009, 17 (e)} clearance along the top arc
• ≥ 50mm around a vertical grabrail

• Ø 30 to 40mm^{AS 1428.1:2009, 16.2AS 1428.1:2009, 17 (a)}
• Securely fixed

400

to

450^{AS 1428.1:2009, 16.2}

30° to 45°^{AS 1428.1:2009, 16.2}

≥ 700^{AS 1428.1:2009, 16.2}

≤ 300^{AS 1428.1:2009, 16.1}

610 to 660^{AS 1428.1:2009, 16.1}

610 to 660^{AS 1428.1:2021, 13.1}

900 x 900^{AS 1428.1:2021, 13.1}

Clearance Zone

Grabrail both sides

Partition Height^{NCC 2025 Vol 1, F4D8}

• ≥ 1.8m generally
• Full height in a unisex bathroom
• ≥ 1.5m if used by primary school children

Standard WC Suite

900

to

920^{AS 1428.1:2021, 13.1}

Coat hook^{AS 1428.1:2021, 13.5}

• 1.35 to 1.5m high within the cubicle

200 to 250^{AS 1428.1:2021, 13.2}

≤ 700^{AS 1428.1:2021, 13.1AS 1428.1:2021, 13.2}

Door^{AS 1428.1:2021, 13.3}

• May swing in or out
• swing path must be clear of clearance zone
• 900 x 900mm clearance zone also required outside the cubicle

Finished line of Wall or Partition

Toilet Roll Holder

460

to

480^{AS 1428.1:2021, 13.1}

800

to

820^{AS 1428.1:2021, 13.1AS 1428.1:2021, 13.2}

450

to

460^{AS 1428.1:2021, 12.2.8.1}

30° to 45°^{AS 1428.1:2021, 13.2}

400

to

450^{AS 1428.1:2021, 13.2}

400 to 450^{AS 1428.1:2021, 13.2}

400 to 450^{AS 1428.1:2021, 13.2}

300^{AS 1428.1:2021, 13.1}

≥ 700^{AS 1428.1:2021, 13.3}

Clear

Grabrails

• Ø 30 to 40mm^[1][2]
• Securely fixed

Grabrail RULES

NCC 2022 V3

AS 1428.1:2009, 17 (c)

AS 1428.1:2009, 17 (a)

AS 1428.1:2009, 17 (b)

AS 1428.1:2009, 17 (d)

AS 1428.1:2009, 17 (e)

AS 1428.1:2021, 13.2

AS 1428.1:2021, 14. (a)