Guidance for the design and maintenance of stepped spillways

This project researched the safety of stepped spillways made of masonry, following similar structures failing at Boltby and Ulley reservoirs.

• From: Department for Environment, Food & Rural Affairs, Flood and Coastal Erosion Risk Management Research and Development Programme, and Environment Agency
• Published: 22 February 2021

• Category: Whole life asset management
• Topics: Alternative construction materials, Asset maintenance, Asset performance, Design and build, Deterioration, Health, safety and wellbeing, Reservoirs, Resilient infrastructure
• Project status: Completed
• Project code: SC080015
• Date of completion: 31 October 2010

Documents

Guidance for the design and maintenance of stepped spillways - final report (10 MB) PDF

Guidance for the design and maintenance of stepped spillways - technical summary (1 MB) PDF

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Details

This project researched the safety of stepped spillways made of masonry, after similar structures failed at Boltby and Ulley reservoirs. The project produced this technical report which includes guidance on the design and maintenance of stepped masonry spillways. It also includes good practice for structural inspections to prevent future failures.

The project started in June 2008 and was completed in October 2010.

Published 22 February 2021