New Zealand: AUCKLAND CBD REINFORCEMENT PROJECT
 
  • Cable tunnel 9.200 m long, of which 6.500 m bored by double shield TBM Robbins-Grandori mod. 1111-234, excavation diam. 3,56 m; internal finished diam. 3,130 m; lining with precast segments for 6.500 m and in situ concrete lining for 2.700 m.
  • The tunnel carries HV power cables from a major substation on the outskirts of Auckland city into the Central business district and generally follows existing motorway and city roads. The tunnel is serviced by three shafts, two at substations and one at approximately mid point for in tunnel services controls and additional access.

   



S.E.L.I. SPA - Via Achille Campanile n. 73 - 00144 ROMA - Italia
Tel. +39.06.87724100 * Fax +39.06.87724199 selispa@selitunnel.com
P.IVA 00857631006