Tourle St Bridge Demolition Project - Jan 2010 to Oct 2010

Client: Roads and Traffic Authority of NSW (RTA)

Description: Demolition of 7 x 45m spans of steel truss bridge over the Hunter River between Mayfield and Kooragang Island. Demolition of 6 bridge piers supported by numerous 1m DIA Benoto piles cut 1m below mud level under strict environmental controls. Demolition of bridge superstructure using a temporary bridge for Pin jib crane access (two 250T pin jib crawler cranes with dual lift of each span under detailed lift plans) Demolition of over 200 original falsework piles embedded in mud. Relocation of direct buried fibre optic cables. Commendation by RTA for using three innovative techniques for bridge demolition over water without using barges and cutting of large steel encased and steel reinforced Benoto piles 1m below mud level and under 3 m of water without using explosives. Design and fabrication of innovative pile cutting device currently under patent.