This is the official solicitation synopsis for the Design and Repair Switchgear Substations contract at Offutt AFB, NE. This will be a single award, firm-fixed price contract.The Contractor shall be responsible to provide all materials, labor, transportation, and supervision necessary to complete a design and construction efforts to replace existing switchgear, transformers, fuses, enclosures, relays, controls, and cabling for substations 1, 2, and 3 at Building 457. This installation of means to monitor or check critical heater circuits by connecting to the base EMCS out lined in the Statement of Objectives (SOO).This acquisition will be solicited as a 100 percent small business set aside, utilizing Best Value, Tradeoff Procedures. The North American Industry Classification System (NAICS) Code is 236210, size standard is $45.0 million. The Product Services Code (PSC) is Z2PZ.The magnitude of proposed construction is between $1,000,000.00 and $5,000,000.00, reference FAR 36.204(f). A pre-proposal site visit will be conducted: Wednesday, 7 August 2024 at 1000 Local at the Bennie Davis Maintenance Facility (Building 457). Please see clause FAR 52.236-27 Site Visit (construction) Alt I, for more information. Amendment posting 0001 (29 Jul 24): Adding (substation_NCIC Screening Pass Request) for interested parties to fill out and return for the site visit. Amendment Posting 0002(official SF30 amendment 0001): Replaced Attachment 5, SOO, with Revision 1. Added Attachments 9 and 10, which are drawings. Question due date is 12 August 2024 at 1600 (4:00 pm) Central time. Amendment Posting 0003 (official SF30 amendment 0002): Replaced Attachment 5, SOO, with Revision 2. Question due date is now Friday 16 August 2024 at 1600 (4:00 pm) Central time. The proposal due date is now Tuesday, 03 Sept 24 at 1000 (10:00 am) Central. Amendment Posting 0004, attaching the signin sheet for the preproposal site visit. Additionally, all questions received have been sent in to the appropriate office to get answered. Due to the amount of questions and some information that is required, it could be until 29 August before answers are received. Depending on when they are given, the solicitation will be extended. Amendment Posting 0005(official SF30 amendment 0003): Added Attachment 11 (Question and Answers), Attachment 12 (Electrical Drawings), and Attachment 13 (Electrical Study), and extended the proposal due date to Thursday 12, September at 1500 (3:00 pm) Central. Amendment Posting 0006 (official SF30 amendment 0004): Increasing page limit for past performance from10 pages to 20. Amendment Posting 0007 (official SF30 Amendment 0005): Extending the proposal due date to: Tuesday, 17 September 2024 at 1000 Central. Amendment Posting 0008 (Official SF30 Amendment 0006): Extending the proposal due date to Monday, 23 September 2024 at 1000 Central. Additionally, changed the proposal acceptance date from 180 calendar days to 90 calendar days; along with a checklist.