Carruthers was awarded his prize at the Chartered Institute of Building awards, held on Tuesday last week.
The annual awards are judged by fellows of the CIOB, and reward good management on construction sites.
Carruthers was praised by the judges for having a broad range of skills as a project manager. The judges' citation said: "This blend of capabilities, versatility and interpersonal skills are seldom found in one individual."
Other winners at this year's award ceremony, held at the London Hilton on Park Lane, included:
- Nigel Cole of Mace, who won the category for projects worth £3-17m for the Terminal 3 redevelopment at Heathrow Airport, London
- Charles Amoo-Gottfried of HBG Special Contracts, who came top of the under-£3m category for the Cine UK fit-out at Tower Field Leisure in Huntingdon
- Simon Webb of Carillion, who won the BT award for technological innovation for his work on 16 Old Bailey in London
- Calum Stewart of Richmond Homes, who was named housing constructor of the year for Barley Riggs in Dalgety Bay.
The runners-up for these awards included managers from Bovis Lend Lease and Mace (projects over £17m); Laing and Wates Construction (projects worth £3-17m); Wates and HBG Special Contracts (projects under £3m); and David Wilson Homes and Berkeley Homes (housing constructor of the year).
