River Engineering & Restoration
Skenfrith Weir Restoration
Keywords: Condition Assessment, Civil Engineering Design & Costing Waterside Development, Flood Risk Assessment of Breach FEH & ISIS.
Skenfrith Weir - Breach Cross Section
Client, Architect & Other Organisations
Monmouthshire Rural Community Action
Monmouthshire County Council
JYA Ltd (now Edenvale Young) was appointed to undertake a feasibility study into the restoration of the weir at Skenfrith. In 2000 the weir was breached which has continued to develop during periods of high flow on the River Monnow. The breach has led to a significant alteration in the alignment of the River Monnow and erosion threatens to affect the highway bridge downstream of the weir.
The weir is directly adjacent to the village and the historic Norman castle which has a history of regular flooding. Residents of the village were particularly concerned with the impact of the weir on flooding. The mill at Skenfrith also dates back to the 15th Centuary and historic context of the weir is important. The scope of work included: a condition assessment of the existing weir structure; preliminary designs and cost estimates for the restoration / reconstruction of the weir including the incorporation of a fish pass and micro hydro-power; n assessment of the impact of the weir on flooding to the village and an environmental scoping study.