Modular weir gate design slashes time to complete project Case Study: 050 Cookham lock has seen renovation work carried out in 1869, 1957 and more recently in 2016 thanks to the support of ECS Engineering Services. The Nottinghamshire based fabrication and water control experts were contacted by Jackson Civil Engineers, working for the Environment Agency to replace 10 weir gates and install two fish passes at Cookham Weir, ensuring the continued reliable control of water levels at the tourist hotspot for years to come.and installed two Larinier fish pass channels in redundant gate bays to allow the movement of fish up and downstream. Fish are channelled into a ‘ladder’ which incorporates ‘rungs’ that the fish can move through, with each rung offering fish a chance to r

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