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Innovative new material


Will you spot this material in use?

Throughout the water and wastewater industries, stoplogs are used for level control and to provide a safe and secure working area when carrying out maintenance operations on water control devices. In the main these are fabricated from steel in order to provide the required strength to hold large volumes of water at bay. ECS Engineering Services is now offering a more durable, engineered alternative using fibre reinforced polymer (FRP).

The majority of water control structures, such as sluices and lock gates, are unique in their dimensions and so if a set of stoplogs is required they are generally built to order and designed specifically for a particular location. In addition, due to the locations of these structures, the stoplogs are usually stored in the open, exposed to the elements.

Clearly, since maintenance engineers rely on the stoplogs to hold back the water, these essential devices must be properly maintained to prevent any corrosion or damage to the seals caused by the weather.

The use of fibre reinforced polymers or composites is not new, but FiberCore Europe has developed a dedicated technology , known as Infracore® Inside, that enables FRP structures to be used in load bearing structures, in many cases without additional steel reinforcement. This technology has enabled the company to design and build bridges, bridge decks and lock gates using FRP.

The new FRP stoplog design will have a number of advantages over the traditional steel construction:
Greatly improved durability with excellent resistance to corrosion and UV
Considerably lighter than steel, greatly reducing the capacity of lifting equipment required
Little or no maintenance requirement
An expected design life of 100 years and a 50 year warranty

The new stoplog designs will be engineered to fit each specific location and where necessary they can be adapted to fit existing structures, minimising the installation time for the project. In addition, both the delivery time and cost are comparable with the traditional steel structures, as well as the knowledge that FRP is less attractive to metal thieves.