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York upgrades city centre flood defences

07/02/2018 13:02:39
 
 
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ImagesClick Image for 300dpi jpg fileYork upgrades city centre flood defencesYork upgrades city centre flood defencesYork upgrades city centre flood defences

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Residents and business owners in Fishergate in the centre of York are celebrating the completion of Phase 1 of the Foss Barrier upgrade project, which will protect them against winter flooding. Fabrications for the £17m project have been undertaken by ECS Engineering Services.

The barrier was built in the 1980s in response to a particularly bad winter and has saved the area from many possible floods. However, 2015 was so wet that the defences were overwhelmed and many buildings were flooded out. In response to this and with the expectation of climate change bringing warmer but wetter winters, it was decided to look at ways to increase the capabilities of the installation.

Andy Swindells, ECS’s project manager for the Foss job, explains: “Two rivers, the Ouse and the Foss, flow through York and after a lot of rain the Foss can back up into the Ouse so that it overflows its banks to cause disruption and sustained flooding. The confluence of the two rivers is a pinch point where flooding is most likely to occur.”

The basic working principle of the installation is to drop a barrier into the Foss and to activate pumps to divert its waters into an overflow culvert. The culvert then carries water downstream to be released into the Ouse where it is wide enough to accommodate the extra flow.

An engineering survey showed that the barrier itself was generally in good working order and remained effective even after 30 years of service. It was decided to raise some of the embankment walls and replace all eight of the transfer pumps to increase total capacity 33% to 40 tonnes per second. It was also decided to relocate the control and operations room to a higher floor, above likely flood levels.

To accommodate these, ECS was commissioned to fabricate a steel framework that effectively added an extra storey to the barrier’s operations building. The frame required 100 tonnes of steel, and fabrication was completed at ECS’s state-of-the-art production facilities in Sutton-in-Ashfield. It was then transported 60 miles up the busy A1, through the suburbs of York and onto site. Here, ECS’s experienced erectors soon had the frame in place and fully assembled ready for cladding and fitting out.

Significantly, the barrier had to remain in operation throughout all these processes and careful scheduling made sure that the normal town centre activities were hardly disrupted at all.

The second and final stage of the project will be completed later this year. It will involve a new power supply being installed and, critically, the new high level control room will be brought into operation.

Andy Swindells concludes: “Naturally on a job of this size you expect a few changes to the plan along the way. Fortunately, we have the capacity and resources to accommodate any last-minute changes and still deliver the project on time.

“We, along with all the other contractors and organisations involved in the Foss Barrier renewal, worked hard so that we avoided any delays that would have left the centre of York vulnerable to the effects of a wet winter.”

Photo Captions:-

Pic 1:- Fabrications for the £17m project have been undertaken by ECS Engineering Services

Pic 2:-The frame required 100 tonnes of steel, and fabrication was completed at ECS’s state-of-the-art production facilities in Sutton-in-Ashfield

Pic 3:- ECS was commissioned to fabricate a steel framework that effectively added an extra storey to the barrier’s operations building.

“The image(s) distributed with this press release may only be used to accompany this copy, and are subject to copyright. Please contact DMA Europa if you wish to license the image for further use.”

About ECS Engineering Services

ECS Engineering Services has over 20 years experience in delivering high quality, reliable and cost effective engineering solutions, specialising in bespoke design and construction of water, energy and environmental processing and management projects.

In conjunction with key supply partners, ECS has the expertise and capacity to design and install a wide range of water control engineering projects. With in-house fabrication services, which have CE Marking approval to EXC3, well equipped and highly skilled engineers can also complete structural steelwork, bespoke fabrication work and access metalwork to the highest standard.

With a complete range of site services available, ECS offers a full turnkey project managed service for mechanical and electrical installations including managing civils contractors and supplying pipework, control and automation work to ensure that every installation is installed and commissioned to the highest standard. Existing clients include the majority of the UK Water Utility companies, Government Agencies and Internal Drainage Boards.

Editor Contact

DMA Europa Ltd. : Selina Price
Tel: +44 (0)1562 751436 Fax: +44 (0)1562 748315
Web: www.dmaeuropa.com
Email: selina@dmaeuropa.com

Company Contact

ECS Engineering Services Ltd : Jamie Wesley, Operations Director
Tel: +44 (0)1773 860001 Fax: +44 (0)1773 810003
Web: www.ecsengineeringservices.com
Email: jwesley@ecsengineeringservices.com

 
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