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Waiohine Gorge Road Washout Restoration

Details

RFx ID : 19374193
Tender Name : Waiohine Gorge Road Washout Restoration
Reference # : LNI-0-082
Open Date : Wednesday, 17 January 2018 2:00 PM (Pacific/Auckland UTC+13:00)
Close Date : Monday, 26 February 2018 12:00 PM (Pacific/Auckland UTC+13:00)
Department/Business Unit :
Tender Type : Request for Tenders (RFT)
Tender Coverage : Sole Agency  [?]
Categories :
  • 72000000 - Building and Facility Construction and Maintenance Services
  • 95000000 - Land and Buildings and Structures and Thoroughfares
Regions:
  • New Zealand
Required Pre-qualifications : None
Contact : DOC Procurement Team
Procurement@doc.govt.nz
Please direct all communication through GETS
Alternate Physical Delivery Address  : N/A
Alternate Physical Fax Number  :
Overview

To restore road access to the Waiohine Gorge Camping area, construction works are required to restore the road carriageway to a safe width, and to remedy stormwater discharge patterns to ensure damage of a similar nature cannot reoccur. This involves two phases; firstly, the construction of a 11m long, 4m high driven rail, anchored retaining wall and stormwater drainage improvements to complete permanent repairs and protection to this section of the route. Secondly, the replacement of an existing 900mm culvert 60 meters south of the current failure with a concrete ford.
The new ford along with the associated earthworks is intended to contain overland flows and prevent flow from extreme storm events from diverting into the road carriageway along with consequential risk of further washouts.