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Rehabilitation design

Downley Consultants designs rehabilitation solutions for projects around the world for a large range of clients and applications:

  • Water, sewer, gas, district heating & industrial pipelines.
  • Pressure pipe, gravity sewer and rising main liner design.
  • Hydraulic and structural design of all liner types and replacement pipe materials.
  • Conceptual and detailed design of rehabilitation solutions.
  • Design of non-circular pipe renovation solutions.
  • CIPP Design to ASTEE (France), ASTM (USA), ATV (Germany) and WRC (UK) methods.
  • Designs are insurance-backed and are verified and signed off by a Chartered Engineer (MICE).
  • Decision on optimum solutions to be adopted.
Forces acting on gravity sewer
Forces acting on gravity sewer

Rehabilitation solutions in our design portfolio

To support the correct implementation of the rehabilitation solutions and designs we write technical specifications for the works.

  • Performance and prescriptive specifications to achieve optimum risk allocation in the works.
  • Technical specification to achieve required level of performance and service life.
  • Standard technical specifications for rehabilitation methods for application by utilities across all projects.
  • QA/QC protocols for materials and installation.

To support the correct implementation of the rehabilitation solutions and designs we write technical specifications for the works.

  • Performance and prescriptive specifications to achieve optimum risk allocation in the works.
  • Technical specification to achieve required level of performance and service life.
  • Standard technical specifications for rehabilitation methods for application by utilities across all projects.
  • QA/QC protocols for materials and installation.
Gap spanning close-fit liner
Gap spanning close-fit liner
Spiral lining of brick sewer
Spiral lining of brick sewer