1. CH_2M Hill is to provide technical advisory and site supervision of construction services in support of the Scottish Water's £100M Shield-hall Strategic Tunnel project in central Scotland. 2. Costain has the contract for United Utilities' (UU) £34M tunneling project to help improve sewer overflows in Manchester. The 1.8km-long tunnels are part of UU's UID (unsatisfactory intermittent discharge) scheme to clean up the long-troubled Salteye Brook in Salford.
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