AS 1428.1-2009 PWD Code

AS 1428.1—2009                                    32



       10.4 Curved walkways, ramps, and landings
       Curved ramps, walkways and landings shall comply with the following:
       (a)    The gradient of curved ramps and walkways shall comply with Figure 20.
       (b)    Landings shall comply with Clause 10.8.
       (c)    The length of a curved ramp shall be measured horizontally along its centre-
              line.
       (d)    Curved ramps and walkways shall have a width of not less than 1500 mm.
       (e)    Any crossfall shall be towards the centre of curvature.




                                       DIMENSIONS IN MILLIMETRES

                        FIGURE 20 CURVED RAMP AND WALKWAY GRADIENTS

       10.5 Threshold ramps
       Threshold ramps at doorways on a continuous path of travel shall have—
       (a)    a maximum rise of 35 mm;
       (b)    a maximum length of 280 mm;
       (c)    a maximum gradient of 1:8; and
       (d)    be located within 20 mm of the door leaf which it serves,
       as shown in Figure 21.




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