The information below is intended to reflect the preferred practice of Main Roads Western Australia ("Main Roads"). Main Roads reserves the right to update this information at any time without notice. If you have any questions or comments please contact Minhdu Nguyen by e-mail or on (08) 9323 4541.
To the extent permitted by law, Main Roads, its employees, agents, authors and contributors are not liable for any loss resulting from any action taken or reliance made by you on the information herein displayed.
All culvert installations should be carried out in accordance with Main Roads Standard Culvert Drawings and Main Roads Specifications 404 Culvert and Stormwater Drains and relevant Australian Standards.
3.1.1 Pipe culverts
3.1.2 Box Culverts
3.2.1 Embankment Condition
3.2.2 Trench Condition
ReferencesMain Roads Specifications 404, Culverts & Piped DrainsAS 3725, Loads on Buried Concrete Pipes; (1989).