About Us|News|Brochures|Recruitment|Technical|CKD|Control Panels|Case Histories|Market Segments

Latest News

YorPower Announce Foss Barrier Contract

UK Environment Agency Chooses YorPower Generators for Upgrades to River Foss Barrier in York

YorPower is pleased to announce that it has been awarded the contract to supply Cummins powered standby diesel generators for the new Foss Barrier and Pumping Station in York, UK. The contract, worth in excess of £1m, was won in the face of stiff competition and naturally the company and all its staff are delighted with the win.


The River Foss flood alleviation scheme consists of a floodgate coupled with a Pumping Station straddling the River Foss at its confluence with the River Ouse in York, just south of the city centre. The Scheme was opened in 1988 after flooding from the Foss and two other becks caused more damage to properties in the city than when the Ouse was in flood. The purpose of the barrier is to prevent floodwater from backing up from the Foss when it meets the surge water of the Ouse and cannot drain away. The pumps adjacent to the barrier move water from the River Foss into the River Ouse.


The barrier weighs more than 16 tonnes and is operated as a turnover lift gate. When open it is held horizontally above the river so that boats and barges may pass underneath whilst regular and efficient maintenance may also be performed.


The electrically driven barrier takes four minutes to lower into position. Eight electrically driven pumps transfer a massive amount of water from the River Foss into the River Ouse through a side culvert. These pumps maintain the water level of the Foss at around 6.5 metres. When the flood subsides and the level of the Ouse drops to 6.5 metres the levels in both rivers are equalised and the barrier may be opened

Recent Events

Following severe flooding on Boxing Day in December 2015 the decision was taken to upgrade the capacity of the pumps and to install new generators on top of the structure to ensure that the barrier and pumps could be operated, even if floodwater caused a mains power failure.

The Future

The Environment Agency has said that the new pumps will be 25% more powerful than the old ones, capable of moving over 40 cubic metres of water per second compared with the 30 cubic metres a second of the old pumps. The Environment Agency said: "Normally, this type of work would take three to four years to carry out but we are looking at doing it in two."

Standby Generators

Standby generators are required to power the pumps (and the pump station house loads) for a varying loading condition from one pump operating at minimum speed up to 8 pumps running at up to full load. A smaller standby generator is also required to support the pump station house loads in the event of a loss of mains power when the pumps are not required to run. The generator equipment is being located on a raised platform, above flood level, and adjacent to the main electrical plantroom of the pump station.

Electrical loading requirements - Some interesting facts…

• The new pumps are capable of moving in excess of 48 cubic metres of water every second

• The maximum continuous electrical demand of the Pumping Station is 4,180kW

• The average demand over 24 hours will not normally exceed 70% of this demand.

• The generators are able to deliver in excess of 1.2 Mega Watts each

• All four generators including containers and fuel will weigh a combined total of 120 tonnes

• The generators will be situated at least 11m above the normal level of the Ouse

• Each generator will have sufficient fuel to run continuously and without interruption for 48 hours


When looking for a supplier for the new generators the Environment Agency’s main contractor, J.N. Bentley invited tenders from all the major suppliers in the UK. YorPower, working closely with Cummins, demonstrated their design and manufacturing capability to deliver proven high quality gensets, within the deadline required and importantly to, or above, the stringent specification set. YorPower, who are based less than 20 miles from the centre of York, have senior system designers dedicated to the project working closely with the Bentley team. The YorPower special projects division and engineering team will be installing and commissioning the sets on site.

YorPower MD, Ian Thompson, said “We are naturally delighted to be awarded this prestigious contract and it demonstrates our capability and strength in depth when it comes to standby power engineering. What was particularly pleasing was that YorPower, a leading independent diesel generator specialist, won the contract in a very competitive environment and against all of the major players in the industry including CAT, FG Wilson and SDMO. The combined approach and strategy to partner with Cummins played a major part in winning the confidence of the main contractor and design team, CH2M.”


• JN Bentley: http://www.jba-bentley.co.uk/FossBarrier

• Foss Barrier Investigation Report:https://www.gov.uk/government/news/publication-of-the-foss-barrier-investigation-report

• Government Press release on New Pumps: https://www.gov.uk/government/news/milestone-in-foss-barrier-improvement-programme

• Flood Briefing: https://floodbriefing.com/55375/foss-barrier-upgrade-on-track-for-december

• Environment Onsite: https://environmentonsite.com/47453/ch2m-lays-out-flood-plan-for-foss-barrier


For more information please contact: Mr Ian Thompson, YorPower, 01977 688155 or sales@yorpower.com

15th August 2017

YorPower Announce Foss Barrier Contract
YorPower Announce Foss Barrier Contract
YorPower Announce Foss Barrier Contract
Original diesel generators, engine parts and spares available for all the following manufacturers
UK Diesel Generators UK Diesel Generators Diesel Generators Bangladesh Diesel Generators Bangladesh Diesel Generators Egypt Diesel Generators Egypt Diesel generators Ghana Diesel generators Ghana Diesel generators Kenya Diesel generators Kenya Diesel Generators Libya Diesel Generators Libya Diesel generators Mexico Diesel generators Mexico Diesel generators Nigeria Diesel generators Nigeria Diesel Generators Russia Diesel Generators Russia Diesel Generators South Africa Diesel Generators South Africa Diesel Generators Sudan Diesel Generators Sudan Diesel Generators Zimbabwe Diesel Generators Zimbabwe Generators Venezuela Generators Venezuela