Repair Transformer Vault 6 at Tinker Air Force Base, Department of Defense

Update

12 March 2026: Amendment 1 is issued to extend the proposal due date and time to

25 March 2026 at 1600 CST. RFI responses are not complete and the extension is to give additional time for RFI response completion and posting. THIS POSTING IS FOR TINKER AFB - MAC BOA HOLDERS ONLY Updated

4 March 2026 Government response to Pre-bid RFIs have been attached. Question 21 is still awaiting a response. Once we have received the response, we will upload it. Current due date for proposals is Friday, March 13 at 1400CST (4:00pm). February 19, 2026: Solicitation posted to SAM THIS POSTING IS FOR TINKER AFB - MAC BOA HOLDERS ONLY Updated

2 February 2026 Initial Site Visit is set for Thursday, 05 February, 2026 at 1300 (1:00 pm) CST on Tinker AFB, B9001. Meeting location will be at B9001 in the Administration Entrance on the south end. This entrance is by the flagpole. THIS POSTING IS FOR TINKER AFB - MAC BOA HOLDERS ONLY Project Solicitation Number: FA813726R0008 Project Title: WWYK150083 - Repair Transformer Vault 6, B9001 Project Location: Tinker AFB, B9001 IAW FAR 36.204 the magnitude of this project is between $1,000,000 and $5,000,000 Repair to building 9001 transformer room #6 located at column X37 to Y38 on the roof. The work to be performed under the terms of this Order consists of furnishing all materials, labor, plant, tools, transportation, equipment, testing services, quality control and incidentals required to accomplish the repair by replacement of the two gas filled 2000KVA transformers, associated 480V switch gear labeled #6C and #6D, all 15KV switches, and the original 3000A tie bus which have exceeded their rated life expectancy. Repair by replacement the interior lighting, add visual fire alarm notification devices(s) as required to meet ABA

requirements, and repair the vault’s exterior at Tinker Air Force Base (AFB), Oklahoma (reference the project drawings for additional location information). Project specific documents are attached to this posting. If you experience any difficulty at receiving or accessing the project specific documents, send an email request to Contracting Points of Contact listed to have a DoD Safe document transmission sent to your email. In the email, please provide email addresses for Prime Contractors points of contact ONLY, to have a DoD Safe link sent to. Do not include any sub-contractor email addresses. Currently, the Solicitation - Request for Proposal (RFP) is in the draft stage and will be posted once available. THIS POSTING IS FOR TINKER AFB - MAC BOA HOLDERS ONLY After review of the project specific documents, if you are a Tinker AFB - MAC BOA Holder, please send an email to the Contracting Points of Contact as an RSVP stating you are interested in attending the Initial Site Visit. Your RSVP email must be received by noon on