The inevitable consequence of a pipeline reaching the end of its economic or service life is the need for its replacement with a new pipe (maybe larger or in a different location) or the rehabilitation of the existing pipe using one of extensive range of trenchless technologies.

The trenchless technologies offer significant benefits in relation to the outcomes that can be achieved, cost savings, minimisation of surface disruption and safety benefits. Spot repairs, using trenchless technologies or open-cut can also be a very cost-effective way of extending the life of a pipeline and improving its overall cost-effectiveness.

Assetlife Alliance has extensive experience that can guide and assist asset owners through this process to ensure that high quality, cost effective outcomes are consistently achieved. This assistance encompasses the following:

• Condition assessment and determination of need for intervention
• Determining most appropriate intervention including repairs, rehabilitation or renewal
• Investigations, design and plans
• Contract and tender evaluation and documentation
• Specifications for trenchless technology solutions

• Site supervision of rehabilitation works (safety, customer and traffic impacts, etc.)
• Quality assurance of rehabilitation works
• Contract administration (meetings, reports, variations, payments, certificates, as-builts and warranties, etc.)
• Commissioning and hand-over
• Contract close-out