xviii UK Focus - Water / Wastewater Successful Flood Alert Siren Upgrade for Chesil Beach
Chesil Beach is located in Dorset, South Coast of England. The shingle beach is approximately 14 miles long and it is part of the Jurassic Coast World Heritage Site. The Chiswell settlement and the southern neck of Chesil Beach have been flooded many times and this is well documented. Many sea defence systems and flood drainages have been constructed at the Portland end of the Chesil Beach to try to alleviate the overtopping and flooding problems.
In addition to sea and flood defences, the Environment Agency replaced their legacy sirens with wide area disaster warning sirens designed and manufactured in the UK by E2S Warning Signals in London. The sirens are sited at intervals through the community.
The alarm sirens are intended to warn local residents and individuals present on the beach and nearby towns of a real danger of flooding so that evacuation can take place. In some locations people are advised to stay indoors when they hear the siren as waves come over the beach and sweep through the town.
The location is particularly demanding due to the high background noise levels, the extremely exposed position and the high potential for risk to life. In stormy conditions, the noise of the waves, wind and moving shingle is very loud at this location. Responding to these challenges, E2S teams worked closely with the Environment Agency to ensure a suitable solution was found.
The E2S sirens were sounded on five occasions in January and February 2014. On each sounding the equipment worked well, and was effective in that members of the public, who were putting their lives at whilst risk standing on the sea wall, were seen to retreat very quickly when the sirens were operated. The alarm sirens can be initiated either remotely from the Environment Agency’s incident room via the web, from the Environment Agency’s lookout post in the village by radio or independently using a key at each installation. There were many factors to take into account when choosing the right sirens including reliability, ruggedness and flexibility of operation. Under normal conditions, the audible distances of the A141 siren from E2S can reach over 1km.
Neal Porter, E2S, sales & marketing director comments, “Working closely with the Environment Agency we were pleased to be able to put forward a bespoke siren system to create an effective warning system that will help to save lives.”
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SWIG ‘Early Career Researcher Prize’ Scientific Poster Competition
The SWIG Early Career Researcher Prize is intended to raise awareness of technology development and novel applications related to water measurements and thereby promote innovation in sensor research and commercial application.
SWIG invites students and employees in the field of water sensor research to design a poster summarising their work. This is an opportunity for researchers within the water and environmental sectors to showcase their scientific talents and innovative thinking.
This year there are the following prizes: £1,000 1st prize, £200 2nd prize and £100 3rd prize.
The competition is open to all ‘early career researchers’ to include undergraduate and postgraduate students either in full time education or within the first 4 years of employment within their area of expertise.
All posters passing to the final judging phase will be printed and displayed at the WWEM 2014 conference and exhibition at Telford on 5-6 November, with the top 3 entrants being invited to give a short presentation as part of the seminar programme. Final judging will be based on the poster and presentation, with the winner being announced at the WWEM Gala Dinner on the 5th November.
The winner of the 2012 prize was Andy Nicholls of the University of Bradford, with his work on ‘Monitoring of Wastewater Flow by Remote Measurement of the Free Surface ‘Fingerprint’’. Andy says: “The SWIG early career researcher competition 2012 was great fun and it was fantastic to be selected as the winner. The award has enabled me to secure a post-doctoral position which will allow me to continue my research and develop the technology further. The event also generated a lot of interest in my research topic, and has opened several new avenues of collaborative work with partners both in industry and academia”
Full competition details are available at
www.swig.org.uk under ‘News/ECR Poster Competition’ or you can contact rosa.
richards@swig.org.uk for further information.
Pub Analytical Solution bis:Mise en page 1 1/08/14 10:51 Page 1
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A unique feature is a ‘reaction kit’ which prevents a torque kickback, ensuring valve movement is always fully controlled and preventing operator injury and fatigue. In addition, the variable torque output feature, which prevents excessive torque being applied, ensures proper and safe valve operation at all times.
Key features of the EasiDrive: Low cost alternative to permanent actuators, No permanent power supply required; Suitable for all climatic conditions; Wide band torque capability with variable torque adjustment as standard; Ideal for moving tight or partially-seized valves; Adaptable to any size/type of valve, Eliminates operator fatigue and greatly reduces the risk of injury; No ‘kickback’ often associated with other torque devices; Variable output torque – so no damage to valves by ‘over-torquing’; Fully portable – can manage banks of valves with a single drive tool.
EasiDrive is highly versatile and can be powered by air, electricity or battery, giving the user ultimate control over their preferred choice. It can also be custom designed to suit specific site requirements.
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