Design for Access & Mobility AS1428.1 Building Code of Australia (BCA) 2009 Use for the majority of clients Gradient Gradient Height Height Distance before Kerb Width Length min Length max Handrail required Landing required min max min max landing: max required Not if No max 15m (for 1:20) ground Not if ground Not for shallower than Walkway 1000mm 1:20 specified 25m (for 1:33) abutting is abutting is level 1:33 level 9m (for 1:14) Ramp 1000mm 1:14 1:20 190mm Yes Both sides Yes 15m (for 1:20) Both side, or if not, Step ramp 1000mm 1:10 1:10 35mm 190mm 280mm 1900mm Yes Yes then high kerb No. Tapered Threshold Not spec 1:8 1:8 35mm 450mm edges Not specified No required No 1000mm turn:1200mm Where possible for Between Landing AS Fig 31 at Turn:1500mm continuous path of ramps doorway Fig 31 at travel doorway Landing BCA Not spec 750mm Not spec No No 300mm Handrail 865mm 1000mm beyond ramp/step Yes = Tread + required Stairs AS 1000mm BCA BCA As per BCA Both sides circulation space Yes = Tread + required Stairs AS 1000mm BCA BCA As per BCA Both sides circulation space Goings BCA Not spec 240mm 355mm
Use for the majority of clients Design for Access & Mobility AS1428.1 Building Code of Australia (BCA) 2009 Width Gradient min Gradient max Height min Height max Length min Length max Distance before landing: max Kerb required Handrail required Landing required Walkway 1000mm 1:20 No max specified 15m (for 1:20) 25m (for 1:33) Not if ground abutting is level Not if ground abutting is level Not for shallower than 1:33 Ramp 1000mm 1:14 1:20 190mm 9m (for 1:14) 15m (for 1:20) Yes Both sides Yes Step ramp 1000mm 1:10 1:10 35mm 190mm 280mm 1900mm Yes Both side, or if not, then high kerb Yes Threshold Not spec 1:8 1:8 35mm 450mm No. Tapered edges required Not specified No Landing AS 1000mm Fig 31 at doorway No turn:1200mm Turn:1500mm Fig 31 at doorway Between ramps Where possible for continuous path of travel Landing BCA Not spec 750mm Not spec No No Handrail 865mm 1000mm 300mm beyond ramp/step Stairs AS 1000mm BCA BCA As per BCA Both sides Yes = Tread + required circulation space Stairs AS 1000mm BCA BCA As per BCA Both sides Yes = Tread + required circulation space Goings BCA Not spec 240mm 355mm
Access-and-mobility-reference-charts-AS1428-1.docx