Case Study

Hobson Bay Sewer Tunnel

Hobson Bay Sewer Tunnel

Pages 2 Pages

Main contractor: Concrete segment precaster: Date of construction Consultant: Products used: Client: CASE HISTORY Ref: INT / CH / TL 002 OM - Rev:03, June 11 TUNNELLING: PRECAST CONCRETE SEGMENTS Product: Wirand ® FF3 structural steel fibres HOBSON BAY SEWER TUNNEL AUCKLAND, NEW ZEALAND Problem For over 90 years a reinforced concrete sewer pipe has graced the Hobson Bay near Auckland in New Zealand. Not only the location and the

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