Headquarters Building (HQB) Mechanical and Electrical Upgrades at the Mike Monroney Aeronautical Center (MMAC), Oklahoma City, OK.

ed with this SIR, incorporate new AMS Clause 3.6.2-50, Implementation of E.O. 14398(INTERIM April 2026) and incorporate revised AMS Clauses 3.6.1-4 Small Business Subcontracting Plans (INTERIM April 2026) and 3.10.1-15, Changes-Construction, Dismantling, Demolition, or Removal of Improvements (INTER

IM April 2026), revise the Minimum Offer Acceptance Period on Page 1, Block 11 of the SIR and AMS Clause 3.2.2.3-2, Minimum Offer Acceptance Period, revise the date for submission of Questions and extend the closing date of the SIR.