Wellington City Council

Grosvenor Terrace Retaining Walls Seismic Strengthening

This Request for Tenders (RFT) is an invitation to submit a Tender for the seismic strengthening of the two retaining walls RW237 and RW243 along Grosvenor Terrace in Wadestown contract opportunity. Wellington City Council (WCC) has a strategy to enhance the resilience of its transportation networks and manage the risks from natural hazards that can potentially affect its road network system. Wadestown route has been identified as a key alternative route for emergency response to the Wellington Urban Motorway between Thorndon and Johnsonville, where the route carries about 6,900 vehicles a day. The alternate access routes are more vulnerable to failure and hence are less resilient and not expected to be available immediately after a major earthquake. This procurement relates to strengthening of the existing Grosvenor Terrace retaining walls Wall I.D.s 16139 and 16140(on the Wadestown access route) to improve its performance in natural hazard events, particularly earthquakes, and minimise the consequential disruption to the route and the community at large