The Criteria for Inspection, Life Extension and Rehabilitation of Circular Corrugated Metal Culverts is a manual for the inspection, risk management, maintenance, life extension and rehabilitation of corrugated metal culverts. The manual is a merger and update of the department's Design Criteria for Rehabilitation of Circular Corrugated Metal Culverts and Appendix 14A Inspection and Treatment of Metal Culverts of the Road Drainage Manual.
indicates required fields
Help us improve the content on our website or tell us what is working well. Contact us if you need a response.
your privacy
Please provide your phone number or email address if you are happy for us to contact you with any follow-up questions.
Please use our complaints and compliments online form to provide feedback about a service.