United Utilities has completed a multi-million pound scheme to upgrade four massive water mains supplying water to around 400,000 people in Liverpool which have been supplying the city since Dickensian times.
The decision to replace the four massive pipes, the oldest of which was laid in 1856, followed two catastrophic bursts on the water network in Huyton and Knowsley in 2007 and 2008.
The pipes which run from Prescot Water Treatment works towards the city centre, vary in size from 36-inch to 44-inch.
Dan Smith, from United Utilities, said the mains had been patched-up over the years and were given a new inner coating in the early 1990s.
“Overhauling pipes of this size, whilst keeping taps flowing for thousands of customers, took careful planning and meant that each pipeline had to be decommissioned, replaced, tested and commissioned as separate pieces of work, almost creating four projects in one.” he added.
The four mains have now all been modernised in a multi-million pound project, which has seen engineers sliding the new pipes through the old ones.
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