Costain wins Severn Trent deal

London-listed engineering firm Costain yesterday said it has been hired by Severn Trent Water to upgrade the firm’s infrastructure and facilities in the midlands and mid-Wales, which supply over 4.2m households and businesses. The agreement with FTSE 100-listed Severn Trent lasts from 2015 to 2020, is worth around £250m and builds on an existing contract between the two companies, the firm said in a statement.