The refurbishment, designed by architects MoreySmith, included specialist glazing contractor OAGc replacing the dated glass facade in a GBP2 million engineering and installation contract.
OAG undertakes the installation of architectural glazing at the Cannon Place project in London.
Interserve, the international support services and construction group, has been awarded the British Safety Council International Safety Award 2013 for its industrial services work.
Interserve win contracts to refurbish overhead lines for ScottishPower Energy Networks as part of a significant investment b to modernise the existing infrastructure supplying homes and businesses.
Major £5m contract includes Interserve providing pipework fabrication and mechanical services for a new gas storage facility in Stublach, Cheshire.