Activity Activity Description No Duration (months) Predecessors Detailed site investigation and survey 2 - Detailed planning ABCDEFGHIK Н LMNPORSTO Q Detailed design Preparation of site Relocate services Re-align overhead track electrification Access road and ramp construction Piling Construct foundations and abutments Construct temporary supports to support bridge deck during construction Fabrication planning of structural steel components Manufacture structural steel components (off-site) Transport structural steel components and erect on-site Erect pylons and fill with concrete Construct main span deck on pre-cast concrete beams Install stay-cables and lift the bridge deck off temporary supports Remove temporary supports Electrical system installation U Roadway surfacing (paving) V Finishing and ancillaries Commissioning-cut-over Formal hand-over & ceremony W X Y Project sign-off Z AA Project End Administrative closure 256434123 2221231 TABCC DCH F,G C L M J H, K, N, P R 3 1 1 S 2 S 2 T, U 1 V W X W 0 (milestone) Y, Z Activity No Activity Description Resources A Detailed site investigation and survey B Detailed planning C Detailed design Ꭰ E Preparation of site Relocate services F Re-align overhead track electrification Surveyors, Engineering, Project Manager Project Manager, Engineering, Construction, Contractors Engineering Construction Engineering Engineering, Contractors G Access road and ramp construction Construction H Piling Construction, Contractors J Construct foundations and abutments Engineering, Construction K Construct temporary supports to support bridge deck during construction Engineering, Construction L Fabrication planning of structural steel components Engineering, Manufacturer M Manufacture structural steel components (off-site) N Transport structural steel components and erect on-site Engineering, Manufacturer Transporter, Engineering P Erect pylons and fill with concrete Construction, Engineering Q Construct main span deck on pre-cast concrete beams Construction, Engineering R Install stay-cables and lift the bridge deck off temporary supports Construction, Engineering S Remove temporary supports Construction, Engineering T Electrical system installation U Roadway surfacing (paving) V W X Y Z Finishing and ancillaries Commissioning-cut-over Formal hand-over & ceremony Project sign-off Administrative closure Construction, Engineering Contractor, Engineering Contractors, Engineering Project Manager, Engineering, Construction, Contractors Project Manager, Engineering, Construction, Contractors AA Project End Project Manager, Engineering Engineering Project Manager