NPS/masi-replace epdm roof at general grant mausol

The National Park Service Northeast Region seeks replacement of an EPDM roof system at the General Grant Mausoleum in New York City, with proposals due July 8, 2026. The procurement is a total small business set-aside and firm fixed-price contract with a rough order of magnitude between $1 million and $1.5 million.

Place of performance is West 122nd Street & Riverside Drive, New York, NY 10027. Period of performance runs July 30, 2026, through July 30, 2027, with work to begin within 10 calendar days of notice to proceed and completion required within 365 calendar days. A mandatory site visit is scheduled for June 11, 2026, from 10:00 AM to 12:00 PM; offerors must acknowledge receipt of Amendment 0001 by June 26, 2026.

The roofing system requires a 90-mil non-reinforced white EPDM membrane per ASTM D4637, rigid polyisocyanurate insulation, 90 PSF wind uplift load capacity, Class A fire rating, and ENERGY STAR listing with minimum 0.70 solar reflectance and 0.75 emissivity. The manufacturer must provide a 30-year warranty on materials and components; the installer must provide a 2-year warranty. Flood testing per ASTM D5957 and mock-ups per specification Section 04 03 43 are required. Work includes stone dome and porch repointing totaling up to 5,920 linear feet, roof drain replacement with custom soldered copper sleeves, and removal of existing EPDM, sealants, and flashing. Option A covers preparation and painting of structural steel (152 LF stone support girders, 880 LF girders, 300 LF tie-rods, 115 LF lattice ring, 12 LF apex steel); Option B covers porch stone roof cleaning and repointing.

Key personnel must include a project manager with 5 years' experience, superintendent with 5 years' roofing experience, historic preservation specialist with 5 years' experience, quality control manager with 3 years' roof/QC experience, and site safety manager with 3 years' experience. A/E services, masonry, and roofing firms (5 years' minimum experience each) must be identified. Performance and payment bonds are required at 20 percent of bid price or $3 million, whichever is less. Work must comply with the Secretary of the Interior's Standards for Historic Preservation and prevailing wage rates under NY20260003 (effective 05/21/2026). NAICS code is 236220, Commercial and Institutional Building Construction; PSC is Z2QA, Repair or Alteration of Restoration of Real Property. Evaluation criteria weigh technical approach and schedule, management approach, project experience, and past performance equally against each other, with combined weight equal to price. The Government reserves the right to award without discussions. Contracting Officer Matthew Keith (matthew_keith@ios.doi.gov), Contract Specialist Nathan Jones (nathan_jones@ios.doi.gov), and Contracting Officer's Representative Chris Wang (Christopher_Wang@nps.gov, 202-807-8684) manage the procurement.