CNW Bridge Replacements

Summary

ARTC’s FY20 Annual Works Plan (AWP) includes a structures component within the Hunter Valley Rail Corridor. Part of this  work is for the replacement of the following bridges within the Hunter Valley network:

• Merrygoen 408.791km
• Premer 530.997km
• Premer 531.466km
• Premer 532.250km

Scope of Works

• Precast and cast insitu concrete works;
• Supply and haulage of all precast elements for the works;
• Track removal and replacement;
• Regrading of drainage lines and installation of scour protection;
• Demolition and replacement of existing timber bridge structure at Merrygoen approximately 20m long and 4.5m high;
• Demolition and replacement of three existing timber bridge structures at Premer approx. 55m long and 1.5m high;
• Install of culverts at Merrygoen, approximately 42t each; and
• Install of culverts at Premer, approximately 18t each.

Achievements

• Successfully managing the delay on the Premer project due to flooding immediately prior to the scheduled possession;
• Successfully managing the rescheduling of the Merrygoen project due to COVID-19 restrictions; and
• Working around the wet and soft ground conditions at Merrygoen requiring a last minute change to the foundation design prior to the works and diversion of ongoing creek flows during installation.