These are the initial buildability assessments for the downstream defence proposals associated with the Bridgwater Tidal Barrier Scheme. They are based on the initial outline design and will be subject to change as the design is further developed. There are many alternative methods and sequences that could be adopted to construct the downstream defences. The chosen methods described in the assessments are based on experience of previous schemes and current best practice.
Thank you for your responses to the Bridgwater Tidal Barrier public consultation.
We have collated a summary of the feedback received from all of the stakeholder and public events that were held in the autumn, available here: Bridgwater Tidal Barrier feedback summary [164.74KB]
The next stakeholder meeting and public consultation will be held in the spring when we hope to share the preferred option and information on the design of the gate. If you have any questions about the scheme, please email: firstname.lastname@example.org
This strategy (2010) initiated plans for a tidal barrier and ongoing investment in tidal flood banks downstream of Bridgwater. It will be updated in due course to account for the earlier delivery timescale for the Bridgwater Tidal Barrier
The built up banks of the River Parrett provide defences against tidal flooding coming up the river. These protect approximately 10,000 homes and over 600 businesses in Bridgwater and surrounding villages, plus the low lying land up and downstream of Bridgwater. The 2009 report concluded that the best approach from a flood risk management perspective was to maintain the existing defences, before supplementing them at some point between 2030 and 2050 with a tidal surge barrier constructed somewhere between Chilton Trinity and Dunball. This review was commissioned to re-examine the previous studies, to determine whether the recent flooding, updated data or other evidence might influence the preferred option or timescale for such an intervention.
Previous studies and research have identified that a tidal surge barrier is the best long-term solution to protect approximately 10,000 properties and over 600 businesses from the risk of tidal flooding in Bridgwater and the Somerset Levels and Moors.
The construction of a tidal surge barrier in the Parrett Estuary will be a major civil engineering project and careful design and planning is essential to ensure that Bridgwater is protected against extreme tidal events for the next 100 years or more.
Consultants, CH2MHill, were appointed in December 2015 by the Environment Agency and Sedgemoor District Council to continue detailed technical work. Over the next 18 months, they will be looking at a range of locations, gate arrangements and operating regimes for the barrier. This study will cover the management of water levels, silt and navigation and assess the environmental benefits and impacts.
There will be a full programme of information events for interested parties to attend. The first of these events was held in March 2016. There was a technical workshop for invited stakeholders; followed by a public drop-in information session. Over 200 people attended and fed back their views and suggestions, based on the information boards (below). There will be a further consultation in the summer.
Flood Risk Management Review: Protecting Bridgwater and the Somerset Levels & Moors from Tidal Flooding - Flood Risk Management Review [1.67MB]
FRMR - figure 4: Flood Risk Management Review Figure 4 [4.98MB]
FRMR - figure 5: Flood Risk Management Review Figure 5 [3.5MB]
There will be a full programme of information events for interested parties to attend. The first of these events was held in March 2016. There was a technical workshop for invited stakeholders; followed by a public drop-in information session. Over 200 people attended and fed back their views and suggestions, based on the information boards and presentations (below). There will be a further consultation in the summer of 2016.
Information Panels - March 2016: Bridgwater Barrier Information Boards [5.06MB]
Presentation 1: Bridgwater Tidal Barrier Presentation (1) March 2016 [989.19KB]
Presentation 2: Bridgwater Tidal Barrier Presentation (2) March 2016 [2.32MB]
Presentation 3: Bridgwater Tidal Barrier Presentation (3) March 2016 [2.33MB]
Summary of Feedback from March 10th workshop and drop-in session: March 10th workshop feedback [127.31KB]
Location presentation display [7.39MB] Information boards from the drop-in session, regarding locations for the proposed barrier.