T312 (2025) Provision of Construction, Refurbishment & Restringing of Transmission Overhead Lines

Tender description

The purpose of this Procurement is to identify and assess potential contractors with a view to awarding Framework Agreements to provide transmission overhead line Works throughout Northern Ireland. The Works required under the Framework Agreement will be carried out on 33kV (tower lines only), 110kV and 275kV steel and woodpole structures and will include asset replacement, refurbishment, uprate and new build type works as well as facilitating fault & emergency works. The Works will include but not limited to the following: Lot 1: Transmission Rolling Programme Works including but not limited: i) Refurbishment of 275kV steel tower overhead lines; ii) Refurbishment of 110kV steel tower overhead lines (single and dual circuit); iii) Refurbishment of 110kV wood pole overhead lines iv) Transmission wood pole replacement; v) Refurbishment of 33kV steel tower overhead lines (single and dual circuit); vi) Provision of day rate resources; and vii) Fault & emergency works. Lot 2: Projects can include but not limited to the following: i) New build works on single and dual circuits operating at 33,110 & 275kV voltages; ii) Asset replacement works on single and dual circuits operating at 33,110 & 275kV voltages; iii) Uprate works on single and dual circuits operating at 33,110 & 275kV voltages; iv) Provision of day rate resources; and v) Fault & emergency works. The total estimated value, excluding VAT, for the full Framework Agreement duration (8 years) for both Lot 1 and Lot 2 is up to £222.8m.