SH15 BSN0656 Mangakahia Bridge Strengthening

2026-11-03

NZ Transport Agency Waka Kotahi is seeking Registrations of Interest from suitably qualified Suppliers for the strengthening (physical works) of the SH15 Mangakahia River Bridge at Titoki, Northland. The bridge is a critical two-lane state highway structure that has been temporarily converted to single-lane operation under traffic signals following identification of significant shear cracking in the bridge beams.The scope of work includes:• Development and implementation of the required temporary traffic management• Establishment of the contractor on-site and stakeholder liaison• Installation of temporary works including scaffolding to allow the works to be undertaken with no disruption to traffic• Site investigations and surface preparation for the strengthening works• Concrete repairs of spalled and cracked concrete• Supply and Installation of Carbon Fibre Reinforced Polymer (FRP) including U-wraps and anchors• Installation of external post-tensioning including coring of piers, anchors, stands and deviators• Dis-establishment and site reinstatementThe ROI is the first stage of a two-stage procurement process. Respondents are asked to provide information on their proposed Fibre Reinforced Polymer strengthening system, including FRP materials and anchor system, so that compliant systems can be evaluated and shortlisted before a closed second-stage tender process.The ROI requires the submission of a completed ROI Response Form, supported by relevant evidence addressing the evaluation criteria.Final tendering of the contract will be by invitation to suppliers shortlisted through this ROI process.ROI submissions are to be uploaded to the GETS eTender box in a single file (pdf format)The GETS file upload limit is 50 MB. The file should be labelled as:• 14690 - Supplier Company Name – ROI SubmissionTenderers should refer to the GETS website for instructions on uploading their ROI fileshttps://www.gets.govt.nz/SupplierUserTenderHelp.htm

New Zealand

2026-10-09