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Landscape drainage

Equal access

Requirements for the integration of equal access for all users

The Disability Discrimination Act (DDA) defines ‘premises’ as the whole of the built environment and includes existing buildings, new or proposed buildings, transport systems, car parks, pathways, and public parks and gardens.

Note: Consult an access consultant accredited by the Association of Consultants in Access Australia (ACAA).

Elements required for equal access

  • Embellishments must be designed in accordance with AS 1428 Design for access and mobility.
  • Ensure that landscape drainage structures are visible for persons with vision impairment by installing bollards or guide posts to delineate the path/trail edge, where required. Bollards, where installed must have a luminance factor of not less than 30% with the background they are viewed against. 
  • Install landscape drainage structures at a minimum 500 mm offset from the edge of a pathway, to provide safe clearance for pedestrians and cyclists.
  • Avoid finished height difference between a concrete slab and adjoining surfaces to prevent trip hazards and to prevent ‘tramlining’ of pram, bicycle and wheelchair wheels.
  • Where finished height differences between the path/trail and drainage structures are unavoidable, select a drainage material which provides a luminance contrast with adjacent materials, to alert persons with vision impairment.
  • Cyclist paths surface tolerance is maximum 20 mm perpendicular to the direction of travel.  See Austroads Part 6A for further guidance.
  • Pedestrian paths surface tolerance is maximum 5.0 mm deviation from a 500 mm straight edge laid anywhere on the surface. See Austroads Part 6 for further guidance.
  • Grates must be designed to resist entry of high heeled shoes. Maximum grate hole size in least dimension to be 8 mm. American Society of Mechanical Engineers (ASME) A112.6.3 Floor and Trench Drains.
  • Slotted grate openings allowable up to 13 mm wide and 150 mm long.  Openings to be oriented so that the long dimension is perpendicular to path of travel.  See AS 1428.1 – Design for access and mobility set for further guidance.
  • Use bicycle safe grates which do not trap or ‘tramline’ bicycle wheels.  See AS 3996 – Access covers and grates for further guidance.
  • Ensure a flush transition from drainage grate to adjoining surface. Construction tolerances ±3 mm vertical, ±5 mm bevelled or rounded edges.

Visual/sensory wayfinding

  • For people with a vision impairment, provide a minimum 30% luminance contrast between objects and the background they are viewed against, for ease of identification.
    • Where luminance contrast may not be achieved (such as grey aluminium furniture on grey concrete), luminance contrast can be addressed by introducing colour into the ground surface providing a minimum 30% luminance contrast with the embellishment base, resulting in the embellishment being more visible for people who have low vision.

See the following for further guidance:

  • AS 1428.1 – Design for access and mobility Part 1: General requirements for access – New building work for test criteria.
  • Figure 18: Typical – grated drain across a  path of travel.


Figure 18: Typical – grated drain across a  path of travel
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Sunshine Coast Open Space Landscape Infrastructure Manual (LIM) DISCLAIMER

Disclaimer

Information contained in this document may change without notice and you should use the current material available from Council’s website and not rely on material previously printed or stored by you.

All figures and diagrams are intended to be used as an aid to design and include Council’s preferred elements but they are not intended to be prescriptive and may need to be varied as dictated by site specific factors. While Council has exercised reasonable care in preparing this document, it does not warrant or represent that it is accurate or complete. The Council will not accept responsibility for any loss, damage, cost or expense that you may incur as a result of the use of or reliance upon any material contained in this document.

This document is produced to convey general information and is not intended to constitute advice whether professional or legal. Any reference to legislation in this document is not an interpretation of the law. It is to be used as a guide only. Consult relevant authority websites for current documents, revisions and amendments.

Where a particular product or supplier is profiled in this document, Council is NOT nominating this product or supplier as the selected choice. Product/supplier information has been provided to allow users to source products which contain the correct elements required for Council embellishments. Each product profiled states ‘or equivalent’ which means that different products may be supplied provided they satisfy the identified performance criteria, recommended standards, equal access guidance and product specifications.

Product design, manufacture and installation requires appropriately qualified people to provide site specific solutions to ensure the embellishment is appropriately adapted to local conditions and data.

This document does not override requirements stipulated in a development approval. Project specific variations may be appropriate as a result of site, environmental or other constraints. Any variations to these standards must be approved in writing by council prior to commencement of variation works. Components of this document may be used within a contract document but users should undertake their own investigations to confirm the information is suitable for this purpose.

Drawings contained in this document are NOT FOR CONSTRUCTION.

Details in this document are deemed to be the minimum standard and the user may wish to apply a higher standard subject to approval by council.

Acknowledgements

Council wishes to thank all contributors and stakeholders involved in the development of this document.

Copyright

Sunshine Coast Regional Council (Council) supports and encourages the distribution of its material however, copyright protects this document. Council has no objection to this material being reproduced but only if council is recognised as the owner of the copyright and this material remains unaltered.

https://www.sunshinecoast.qld.gov.au[email protected]07 5475 7272

Sunshine Coast Open Space Landscape Infrastructure Manual (LIM)

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© LIM 2024 – 2026

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Version 0.0.38.beta

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Last Updated: 01/04/2026 12:27 AM

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