AS 1428.1-2009 PWD Code.pdf

                                                                                                                                                                                   AS 1428.1—2009
© Standards Australia



                                                                                        TABLE C1 (continued)

                                                                                                                                               Maximum               Clause/
                          Component       Gradient          Width            Height         Length             Landing spacing
                                                                                                                                            camber/crossfall         Figure
                         Ramp           Steeper than    1000 mm        See Premises        N/A        Ramp gradient     Landing spacing To be level               10.1 and 10.3
                         (straight)     1 in 20 and not minimum        Standards/BCA for
                                                                                                     1 in 14           9 m maximum
                                        steeper than    unobstructed   maximum height of a
                                        1 in 14                        series of connected           1 in 20           15 m maximum
                                                                       ramps
                                                                                                     Between 1 in 14   By interpolation
                                                                                                     and 1 in 20
                         Ramp           Steeper than    1500 mm        See Premises        N/A       Ramp gradient     Landing spacing    N/A                     10.1 and 10.4
                         (curved)       1 in 20 and not minimum        Standards/BCA for
                                                                                                     1 in 14           9 m maximum
                                        steeper than    unobstructed   maximum height of a
                                        1 in 14                        series of connected           1 in 20           15 m maximum
                                                                       ramps
                                                                                                     Between 1 in 14   By interpolation
                                                                                                     and 1 in 20
                         Step ramp      Not steeper    1000 mm         190 mm maximum     1900 mm    N/A                                  To be level             10.1 and 10.6




                                                                                                                                                                                   108
                                        than 1 in 10   minimum                            maximum
                                                       unobstructed
                         Kerb ramp      Not steeper    1000 mm         190 mm maximum     1520 mm    N/A                                  To be level             10.1 and 10.7
                                        than 1 in 8    minimum                            maximum
                                                       unobstructed
                         Threshold      Not steeper    Minimum width of 35 mm maximum     280 mm     N/A                                  N/A                     10.5
                         ramp           than 1 in 8    opening between                    maximum
                                                       door jambs
                                                       unobstructed
                         Landing with   Not steeper     1000 mm        N/A                1200 mm    Refer to walkways and ramps          A camber or crossfall    10.1 and 10.8
                         no change of   than 1 in 40 or minimum                           minimum                                         not steeper than
                         direction      1 in 33 where unobstructed                                                                        1 in 40 or 1 in 33 where
                                        the surface is                                                                                    the surface is bitumen.
                                        bitumen                                                                                           At doorways no
                                                                                                                                          crossfall or camber
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                                                                                                                                                                     (continued)