WC (Accessible) 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
• Dimensions
• Ø 30 to 40mm
• Ø ≥ 5mm exposed edges & corner
• Clearances
• 50 to 60mm to adjacent surface
• 600mm above
• 50mm below
• Exemption at fixing points
• 270° clearance along the top arc
• ≥ 50mm around a vertical grabrail

• 50 to 60mm clearance to adjacent surface

Toilet Paper ZONE

• 700mm above floor level until seat level^{AS 1428.1:2021, 12.2.6}

1.1m^{AS 1428.1:2021, 12.2.5}

600^{NCC 2022 Vol 1, S27C4 (4) (a) (i)}

Accessibility

Compliant

WC Suite

All dimensions from finished surface

Front of seat

All dimensions from finished surface

300^{AS 1428.1:2021, 12.2.5}

800 ± 10^{AS 1428.1:2021, 12.2.7}

100

to

150

300^{AS 1428.1:2021, 12.2.6}

450 to 460^{AS 1428.1:2021, 12.2.2}

Toilet Paper ZONE

• 700mm above floor level until seat level^{AS 1428.1:2021, 12.2.6}

1.1m

500^{NCC 2022 Vol 1, S27C4 (4) (a) (ii)}

Top of seat

≤ 700^{AS 1428.1:2021, 12.2.6}

500^{AS 1428.1:2021, 12.2.5}

300^{AS 1428.1:2021, 12.2.6}

100

to

150^{AS 1428.1:2021, 12.2.7}

Front of seat

Top of seat

300

≥ 450

Backrest

Flush Button ZONE 1

• 50mm clear of Grabrail^{AS 1428.1:2021, 12.2.5}

Clear ZONE

• 50 to 60 mm clearance to Grabrail^{AS 1428.1:2021, 12.2.5}

Front of Seat

Toilet Paper ZONE

• 300mm from front of seat^{AS 1428.1:2021, 12.2.6}

Toilet paper ZONE

• 300mm from front of seat^{AS 1428.1:2021, 12.2.6}

800

to

810^{NCC 2022 Vol 1, S27C4 (7) (b) (i)}

800

to

810^{NCC 2022 Vol 1, S27C4 (7) (b) (i)}

600^{NCC 2022 Vol 1, S27C4 (4) (a) (i)}

≥ 450

Backrest

Flush Button ZONE 2

• Within the Blue ZONE

120 to 150^{AS 1428.1:2021, 12.2.4 (d)}

≥ 300^{AS 1428.1:2021, 12.2.7}

Flush Button ZONE 2

• 50mm clear of Grabrail^{AS 1428.1:2021, 12.2.5}

≤ 700^{AS 1428.1:2021, 12.2.6}

≤ 50^{AS 1428.1:2021, 12.2.7}

Clear ZONE

• 50 to 60 mm clearance to Grabrail^{AS 1428.1:2021, 14 (d)}

900 to 1050^{AS 1428.1:2021, 12.2.7}

120 to 150^{AS 1428.1:2021, 12.2.4 (e)}

Front of Seat

500^{NCC 2022 Vol 1, S27C4 (4) (a) (ii)}