newmarket viaduct replacement staged viaduct construction / deconstruction process project delivery...
Post on 16-Dec-2015
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Newmarket Viaduct ReplacementSTAGED VIADUCT CONSTRUCTION / DECONSTRUCTION PROCESS
PROJECT DELIVERY BY NGA NEWMARKET
Stage one
EXISTING NEWMARKET VIADUCT
Existing 3 southbound lanes – width reduced
Existing southbound light poles and guard rail (LHS) removed
Temporary lighting added
Stage one
SOUTHBOUND TRAFFIC ON NEW SOUTHBOUND LANES
New 3 lanes southbound (3.1m widths) in use
Existing southbound lanes vacated
Construction for 4th lane tie-ins at north and south approaches
Stage four
DECONSTRUCTION OF EXISTING NORTHBOUND LANES
Northbound traffic relocated to new structure
Widen all new lanes to final width
New 4 lanes southbound: 3.5m widths
New 3 lanes northbound: 3.1m widths
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