IMPORTANT PROJECTSTRANSPORTATIONINFRASTRUCTURE AND ENVIRONMENTBUILDINGSGEOLOGIC AND GEOTECHNICAL 3-DECK GREAT ISTANBUL TUNNEL, TURKEY ISTANBUL POTABLE WATER AND SEWERAGE MASTER PLAN, TURKEY CHARDAM RAILWAY, INDIA 3rd BOSPHORUS BRIDGE, TURKEY MARMARAY, TURKEY ZORLU CENTER, TURKEY ISTANBUL METRO LINES, TURKEY ALGERIA TRAMWAYS