Task: Site welding of the bridge steel superstructure
Client: WKS Skanska
Time: February 2015
Site welding of S355 grade steel tubes (100% UT tested), plates (100% UT tested) and suspension line eyes (100% X-ray tested). Tubes 400mm – 500mm dia., 20mm-30mm wall thickness. Plates 30mm-40mm thick. Suspension line eyes 100mm thick. Welding methods: 135 and 136. Man-hours: 1 000. Main challenge: Adverse weather. Winter conditions had to be tackled to eliminate welding nonconformities.