WATER utility Severn Trent has appointed Costain as preferred bidder for a design and build contract to replace its largest covered service reservoir sited at Fritchley in Derbyshire. The project is worth around £27m.Ambergate reservoir is an asset of key strategic importance to Severn Trent Water with the capacity to supply mains water to approximately 590,000 customers across the East Midlands. The scheme will see the construction of two covered reservoirs of 90 and......for the full story register now for free or login below...