Z--PLUM ORCHARD MANSION GUTTERS AND FLASHING REPLACEM

The solicitation 140P5426R0025, titled “Z—PLUM ORCHARD MANSION GUTTERS AND FLASHING REPLACEMENT,” is a firm fixed-price construction contract issued by the U.S. Department of the Interior, National Park Service, through the SER South MABO office in Homestead, Florida, and is set aside entirely for small businesses. The work involves the replacement of gutters and flashing at Plum Orchard Mansion and Davisville Housing on Cumberland Island National Seashore, requiring strict environmental compliance, historic preservation standards, and adherence to federal safety and regulatory codes including ANSI A10.6, NFPA, and OSHA. All proposed work must align with the detailed Statement of Work in Attachments 001 and 002, and contractors must submit Product Data Sheets, Safety Data Sheets, Job Hazard Analyses, project schedules, warranty documentation, and certified waste disposal records. Performance is scheduled from October 5, 2026, to January 8, 2027, with work to commence within 10 calendar days of award and be completed within 90 days. Material delivery must occur directly to the site on Cumberland Island and be verified by the Contracting Officer’s Representative prior to payment, and all invoicing must be submitted electronically through the U.S. Treasury’s Invoice Processing Platform. Evaluation of proposals will follow a trade-off process, where technical merit—assessed through Technical Approach and Past Performance—is significantly more important than cost, with only substantially equal technical proposals considered for cost comparison. Non-cost factors will be rated using adjectival scales: Outstanding, Good, Acceptable, Marginal, or Unacceptable, and past performance will be judged by confidence levels ranging from Substantial to No Confidence. The contract incorporates numerous FAR clauses related to construction performance, safety, payment, disputes, subcontracting, labor standards, environmental compliance, and anti-kickback provisions, and mandates adherence to the Buy American Act for materials, though with deviation noted. Offerors must hold a valid SAM.gov registration with a certified small business status and provide their UEI number on submissions, and must also comply with prohibitions against texting while driving on official business, as required by Executive Order 13513. The due date for questions has been extended to August 10, 2026, at 1:00 PM ET, with a forthcoming amendment expected around August 13, 202