Carpenter Substation Stage 03 South Dakota

The contract is for Carpenter Substation Stage 03 in South Dakota, issued as a sealed bid under solicitation number 89503426BWA000066 by the U.S. Department of Energy’s Western Area Power Administration, with a response deadline of July 7, 2026. The project is a firm fixed price construction contract categorized under NAICS code 237130 and set aside exclusively for small businesses, requiring full compliance with SBA small business designation rules and affirmative action obligations for protected veterans under 38 U.S.C. 4212. The work involves installing a 230/115kV transformer bay, rerouting the 230kV Watertown #1 line, installing a new 115kV bay with associated equipment, and demolishing an existing 230kV take-off structure and foundation. All work must adhere to WAPA’s construction standards, standard drawings, and electrical equipment specifications, with detailed requirements outlined in CRP Project Specifications and Drawings dated May 7, 2026, along with accompanying geotechnical reports and a general decision document. The period of performance is 360 days after notice to proceed, with performance at the WAPA construction office in Huron, South Dakota. Bids must be submitted electronically through FedConnect by 3:30 p.m. local time on June 26, 2026, and must include a bid guarantee of 20 percent of the bid price or $3 million, whichever is less. Bids that fail to include all line items, exceed a five percent mobilization cost cap, or contain materially unbalanced pricing will be rejected as nonresponsive. Invoices must be submitted electronically via the Treasury’s IPP system after undergoing review through Procore, and paper submissions are strictly prohibited. All correspondence and submittals, including RFIs and certified payrolls, must be uploaded to Procore using specified formats such as PDF, DWG, and Excel. The contract mandates performance and payment bonds at 100 percent of the contract value, compliance with OSHA standards 29 CFR 1910, 1925, and 1926, and adherence to the Buy American Act for construction materials. Contractors must also comply with HSPD-12 identity verification requirements, secure prior approval for foreign nationals accessing WAPA facilities,