(ShareCast News) - International Public Partnerships said it will commit £210m to a Thames sewerage project as part of a consortium.The FSTE 250 firm is part of the Bazalgette Consortium which was named preferred bidder for the £4.2bn Thames Tideway Tunnel project.Allianz, Amber Infrastructure Group, Dalmore Capital Limited, DIF and Swiss Life Asset Managers are also part of the group picked to build the 25km tunnel located 65 metres below the river Thames.International Public Partnership chairman Rupert Dorey said the selection as preferred bidder was testament to the company's ability to source primary assets from the market that ultimately provide value to investors.