68-22 - Sewer and Stormwater Relining (Rehabilitation)

Summary and scope

The Contractor is to rehabilitate various sewer main and stormwater assets through the use of an in-situ structural liner, patch or civil works (i.e. excavation) where required. The purpose of the rehabilitation is to restore structural and service condition as well as to prevent infiltration and exfiltration in the network and/or hydraulic capacity. In addition to the above practical works, the Contractor is also to provide professional advice regarding rehabilitation methodologies for a number of sewer mains that are experiencing various defect types. This is to include, but is not limited to, an analysis of current asset condition and a recommendation of how rehabilitation can be efficiently and cost-effectively achieved. GRC will not consider an offer submitted for only one or two portion’s of the work. It is the intent that the entire scope of work is awarded to a single Contractor.