MOORES CREEK TRUNK SEWER BRIDGE CHRIS SHIELDS - JUNE 2016
THE LOCATION 2 IPWEAQ CQ BRANCH CONFERENCE
THE LOCATION 3 IPWEAQ CQ BRANCH CONFERENCE
THE NEED 4 IPWEAQ CQ BRANCH CONFERENCE
THE NEED 5 IPWEAQ CQ BRANCH CONFERENCE
THE NEED 6 IPWEAQ CQ BRANCH CONFERENCE
THE APPROACH • More robust replacement – not like for like • Minimal impact on tidal area • Close consideration of constructability (fabricate / transport / erect) • Safety in Design for the whole life-cycle • All pointed to a box girder truss bridge 7 IPWEAQ CQ BRANCH CONFERENCE
THE DESIGN CHALLENGES • Tides & the elements (corrosion protection) • High flowrate / velocities in storm conditions • Floating debris impact & debris mat loading • Thermal expansion of truss elements (fixed / roller) & PE pipe • Pipe material selection & connections • Abutment load bearing and overturning considerations • Crane outrigger loading • Vandalism prevention / safety • Satisfying Council / DILGP / Aurizon requirements • Constructability (civil & structural) 8 IPWEAQ CQ BRANCH CONFERENCE
THE DESIGN 9 IPWEAQ CQ BRANCH CONFERENCE
THE DESIGN 10 IPWEAQ CQ BRANCH CONFERENCE
THE DESIGN 11 IPWEAQ CQ BRANCH CONFERENCE
THE CONSTRUCTION CHALLENGES • Access (tides) • Asbestos removal & alteration • Crocs • Coordination with nearby levee works • Acid Sulphate Soils • Abutment bolt assembly location • Raw sewage (especially when the bungs let go!) • Crane selection & the lift 12 IPWEAQ CQ BRANCH CONFERENCE
THE CONSTRUCTION 13 IPWEAQ CQ BRANCH CONFERENCE
THE CONSTRUCTION 14 IPWEAQ CQ BRANCH CONFERENCE
THE CONSTRUCTION 15 IPWEAQ CQ BRANCH CONFERENCE
THE CONSTRUCTION 16 IPWEAQ CQ BRANCH CONFERENCE
THE CONSTRUCTION 17 IPWEAQ CQ BRANCH CONFERENCE
THE CONSTRUCTION 18 IPWEAQ CQ BRANCH CONFERENCE
THE CONSTRUCTION 19 IPWEAQ CQ BRANCH CONFERENCE
THE CONSTRUCTION 20 IPWEAQ CQ BRANCH CONFERENCE
THE SECRET TO SUCCESS • Thinking outside the box early • Making constructability & SiD top priority • Working collaboratively between Council, Consultants & Contractor 21 IPWEAQ CQ BRANCH CONFERENCE
THANK-YOU 22 IPWEAQ CQ BRANCH CONFERENCE
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