United Utilities Water is seeking a contractor for £120m of works at its wastewater treatment facilities in Blackburn and Darwen.
The project will see the design, construction and commissioning of a new process treatment plant in Blackburn, and engineering updates to the site in Darwen to deliver improved capacity.
Works include the construction of additional storm storage capacity, transfer sewers, brewery waste, screening and liquor treatment facilities, and the installation of new power engines.
The Blackburn wastewater treatment works is United Utilities seventh largest in the UK, and serves a population of 260,000. The facility has been at its current site since the 1800s, with most of the current assets built in the 1960s.
The deadline for receipt of tenders is 10 October 2014.