The purpose of this amendment is to upload the following document: B11 MISC (Contractor Questions - NPS Response) and to change the bid opening date from 7/11/2023 to 7/18/2023, Call information is as follows: BID OPENING INFORMATION: Public Bid Opening. Bid Opening will be performed via conference call. Interested parties may attend the bid openings by using the call-in information below: Bid Opening Date/Time: July 18, 2023 @ 11am CDT Conference Line: 877-950-6929 Passcode: 2908571 HOME, Rehabilitate Quarters 3, 140P6023B0007 This solicitation is an Invitation for Bid (IFB) for construction work at Homestead National Monument, Quarters 3. This is a Sealed Bid. The complete specifications, drawing, provisions, and clauses are available . The work consists of: The existing 2000 square foot, single family residential, slab on grade house was constructed in 1961 and a kitchen addition was added in 2004. The current house is in good condition but requires updates to life cycle items. The existing house is not currently ADA / ABA accessible, and the sprinkler system does not meet current park standards. The approximately 2000 square foot house will have full floor, wall, and ceiling finish upgrades. Work includes but is not limited to converting an existing 125 square foot bedroom into an ADA / ABA accessible bathroom with shower. Replacement of all existing door assemblies and framing to accommodate accessibility and modernize. Replacement of an existing window with a new accessible double door at rear entrance patio as part of an accessible egress. Entrance to have a new structural stoop to frost. Upgrades to Mechanical, Electrical, Plumbing, and Fire Protection to meet current park standards. PROJECT LOCATION: Homestead National MonumentEducation Center, 8523 NE-4, Beatrice, NE 68310 Magnitude of Construction: Between $100,000 and $250,000. BONDS: A bid guarantee is required 20%. Bid bond is required to be submitted on a Standard Form 24. Performance and Payment bonds/protection in the amount of 100% of final contract award amount. NAICS: The associated NAICS Code is 236118. The small business size standard is $45.0M. IMPORTANT NOTICE: New size standards were updated effective December 19, 2022. Businesses registered in System for Award Management (SAM.gov) must update their SAM registration in order to have their small business status updated based on the new size standards. SAM profiles will continue to display the small business status under the old size standards until SAM registration is updated. NOTICE OF SET ASIDE: This project is set-aside for Total Small Business Set-Aside. SCHEDULE: 150 calendar days. See 52.211-10 Commencement, Prosecution, Training and Completion of Work. The final performance period start date is contingent on issuance of Notice to Proceed. Background: The existing 2000 square foot, single family residential, slab on grade house was constructed in 1961 and a kitchen addition was added in 2004. The current house is in good condition but requires updates to life cycle items. The existing house is not currently ADA / ABA accessible, and the sprinkler system does not meet current park standards. QUESTIONS: All questions pertaining to this solicitation shall be submitted IN WRITING via email to adam_kircher@nps.gov. All questions must be submitted in writing no later than 5 days following the scheduled site visit