Articles & Case Studies

Technocover’s Total Service solves towering challenge at Wessex Water reservoirs

Posted: Friday 28th February 2014

Technocover, the critical infrastructure protection specialist, has drawn on its full range of turnkey capabilities in completing security upgrades at two Wessex Water impounding reservoirs.

As well as designing and manufacturing a suite of high security access equipment to ‘harden’ valve towers at Luxhay and Leigh reservoirs, the company also acted as installer and principal contractor on the challenging water-borne project.

Working closely with Wessex Water’s site team, Technocover undertook detailed design and planning of products and installation to provide best value solutions addressing security, safety, operational and cost considerations. The project demanded plenty of flexibility to accommodate other factors such as planning permissions, land-owner views, welfare of wildlife and the need to minimise the visual impact.

The equipment package included a high security door and modular mesh building, with egress for bats, to secure tunnel access to Luxhay valve tower, as well as a high security escape hatch on top. Technocover also designed a high security access cover shielded within a high security cage for Leigh reservoir.

Technocover devised a pontoon to ‘ship’ materials and to create an 8m square work platform around the water-locked towers. This was carefully engineered from proprietary grid modules to ensure it would safely support steel components, a mechanical lifter and up to eight operatives.

Thanks to the close partnering with Wessex Water, Technocover completed the logistically demanding contract in just over two weeks despite being hit by adverse weather including snow.

Restricted operations

With extensive experience of restricted operations on utility projects, Technocover’s site team worked to exacting hygiene and safety procedures. These ranged from the chlorination of pontoon components, safety boats and equipment as they were moved around site, to complying with safety guidelines for working on water, at height and from a floating work platform. Using its comprehensive resources in total project management, including a fleet of utility vehicles and construction plant, Technocover undertook all necessary method statements and devised safe systems of work in compliance with CDM regulations.

Technocover also carried out groundworks and landscaping, including the design, manufacture and insitu concreting of a special galvanised steel former system as a secure foundation for the Ultrasecure building.

The works were part of a design and build contract of physical and electronic measures to enhance security of the Victorian reservoirs in compliance with current government guidelines and standards.

Ian Blair, Head of Health, Safety & Security at Wessex Water, said: “Enhancing security at the two reservoirs has been a challenge requiring careful planning and close liaison between all parties. The innovative security and installation solutions delivered by Technocover have improved both site security and employee safety at these sites.”

He added: “This work comes at the end of a three year project for Wessex Water that completes security upgrades at our water supply sites in accordance with regulatory standards that will increase the security of supply to our customers and their confidence in the drinking water quality.”

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