After a period of heavy rainfall, which caused widespread problems across the North West, the spillway at Toddbrook reservoir was damaged and was at risk of collapse. As part of a multi-agency response, Kier responded to an emergency call-out on 1st August 2019 under its framework with the Canal & River Trust. The challenge was to secure the integrity of the spillway and to prevent the inundation of Whaley Bridge.
A further challenge was to ensure that Kier and its suppliers and sub-contractors worked in conjunction with other outside agencies such as the Fire Service, Police and the Military.
During the course of the emergency, 1500 people were evacuated from Whaley Bridge and the surrounding area in the event that the dam failed. At the time it was hailed as the biggest evacuation of civilians in peacetime.
Over the course of 7 days 1 billion litres of water was pumped out of the reservoir. An RAF Chinook helicopter dropped over 500 one tonne bags of aggregate onto the damaged section of the dam and grout was poured around the bags to bind them and further strengthen the dam. Kier was mobilised by the Canal & River Trust to provide access routes to the site for the emergency services, and to mobilise and install pumps to remove the water. Kier provided coordinated with, and provided aggregate to the RAF personnel. Kier also carried out the grouting works to seal the dam.
At the same time as the works to the dam, Kier were involved in creating a temporary structure at the head of the reservoir and also worked to divert the feeds of water into the reservoir to prevent it filling back up if further weather events occurred.
The emergency response was a complete success with the dam being saved from collapse and temporary repairs effected to ensure that the inundation of Whaley Bridge was prevented and the potential flooding and other damage caused by failure of the dam was averted.
The emergency response showed that the emergency procedures put in place by Kier and the Canal & River Trust were robust and adequate to cope with such a large incident.
It also proved that the Kier Regional Civils team was able to work effectively in conjunction with blue light and the military services successfully.
" We would like to thank Kier and its supply chain who reacted very quickly to this emergency and worked tirelessly to reduce water levels and stabilise the dam. "CEO Canal & River Trust
" Your people have been excellent at every stage, nothing has been too much trouble. You should be very proud, you were right on the frontline saving Whaley Bridge. "Derbyshire’s chief fire officer
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