Activity Number Activity Description Duration (Months) Predecessors A Detail site investigation 2 and survey Detail Planning Detail design Preparation of site E Relocate services Re-align overhead track electrification G Access road and ramp construction H Piling rim Construct foundations and abutments K Construct temporary N F.G supports to support bridge deck during construction L Fabrication planning of N C structural steel components M Manufacture structural steel components (off-site) N Transport structural steel M components and erect on-site P Erect pylons and fill with concrete Construct main span deck H. K. N. P on pre-cast concrete beams R Install cable-stays and Q lift deck off temporary supports S Remove temporary R supports T Electrical system installation U Roadway surfacing (paving) V Finishing and ancillaries W Commissioning-cut-over V Formal hand-over and W ceremony Project Sign-off X Administrative closure W Project End 0 (milestone) Y. Z