Description
The Northern Wasco County People’s Utility District is soliciting competitive sealed bids for the design‑build construction of the Columbia Heights Substation in The Dalles, OR. The contract covers two‑phase substation construction, including civil site work, foundation and oil‑containment systems, masonry perimeter walls, conduit and grounding, installation of owner‑furnished transformers and control buildings, and all related electrical and structural steel work. The scope also requires delegated design of certain components, removal and salvage of existing equipment, and compliance with Oregon testing and permitting requirements. Bidders must provide a lump‑sum bid, a 5 % bid bond, and may propose alternate manufacturers by the mandatory question deadline. The estimated construction cost is $1‑$2 million, with the overall project scheduled for substantial completion by August 2028.
• Phase‑1 and Phase‑2 construction with detailed milestones (2027‑2028)
• Required pre‑bid conference/site walk on 23 Sep 2026 (mandatory)
• Owner‑furnished equipment valued at ~$8.5 M (transformers, breakers)
• Mandatory RFI deadline 30 Sep 2026; bid submission 13 Oct 2026