Bertha, the SR99 Alaskan Way Viaduct Replacement Scheme’s 17.52m diameter Hitachi Zosen EPBM has successfully completed its 2.7km long drive…
Bertha, the SR99 Alaskan Way Viaduct Replacement Scheme’s 17.52m diameter Hitachi Zosen EPBM has successfully completed its 2.7km long drive…