Considerate Constructors' top award for 2006 goes to construction managers Mace for extension to Wellcome Trust's research campus.

Mace has won Considerate Constructors' top award for 2006 for its second year of work as management contractor for Southfield Project.

Southfield is an extension to the Wellcome Trust's genome research campus at Hinxton, Cambridgeshire, comprising of research laboratories, data centre, offices and support facilities.

After receiving a Considerate Constructors gold award for Southfield in 2005, Mace went one better at today's ceremony in the City of London.

The top 7% of sites registered with Considerate Constructors, which is funded by members to improve the industry's image, were recognised with bronze, silver and gold awards at a series of ceremonies culminating in today's event.

Announcing the winner, Considerate Constructors' chief executive David Hardy praised Mace for its commitment to reducing the environmental impact of the scheme by conducting regular audits of nearby wetlands and monitoring run-off water.

Its success in gaining the trust and cooperation of the Hinxton residents also contributed to the award, said Hardy.

"This is a great achievement for an enlightened client and a great project team," said Mark Barford, Mace Project Manager for Southfield. "The Cam runs through the site and making sure we didn't pollute it was a constant concern. The Wellcome Trust made a big difference by investing a lot in making proper access provisions."

The project team at Southfield included engineers Faber Maunsell, architects NBBJ and quantity surveyors Turner & Townsend.