Siding Replacement

The National Park Service, Interior Regions 3/4/5, Ohio Major Acquisition Buying Office is soliciting proposals for siding replacement, painting, roof replacement, and window replacement services at Indiana Dunes National Park in Porter, Indiana under solicitation number 140P6426B0003. This is a firm-fixed-price contract with a project magnitude between $500,000 and $1,000,000, classified under NAICS code 236220 (Commercial and Institutional Building Construction) with a $45.0 million size standard. Key contract requirements include compliance with Construction Wage Rate Requirements for Porter County, Indiana, prevailing wage determinations, performance and payment bonds due within 10 calendar days of award, and submission of a Limitations on Subcontracting Report documenting compliance with the 85 percent non-similarly situated subcontractor threshold. The solicitation incorporates Standard Form 1442 bids with itemized pricing, a 20 percent bid guarantee, and compliance with federal labor standards and the Buy American statute. All offers must be submitted electronically in PDF format to Contracting Officer Jarrod Brown (jarrod_brown@nps.gov, 234-571-7515), with the most recent deadline of April 22, 2026 at 12:00 PM EST following two amendments that extended the original April 15 deadline and revised specifications and bid schedules.

This solicitation is designated as a Total Small Business Set-Aside, requiring all bidders to be small businesses under the applicable NAICS size standard. The work involves three buildings at the Indiana Dunes National Park Headquarters in Porter, Indiana: Building B-101 (Ranger Station), Building B-104 (Headquarters), and Building B-105 (Pump House), located at 1100 Mineral Springs Road. The base bid siding work encompasses approximately 11,250 square feet across the three buildings, including demolition of existing T1-11 siding, estimated 10 percent OSB and stud replacement, installation of 2-inch ZIP System R-Sheathing with integrated weather-resistant barrier, and new fiber cement lap siding (James Hardie HZ5 or approved equal) with painting. Two optional bid items include roof replacement (approximately 5,540 square feet of EPDM roofing with R-30 minimum insulation for Buildings B-101 and B-105) and window replacement (22 aluminum-clad wood windows across Buildings B-101 and B-104). All work must be completed within 120 calendar days of receiving the Notice to Proceed, with an organized site visit scheduled for April 1, 2026 at 10:00 AM CT at the Indiana Dunes National Park Headquarters Building.