STP-083-1(085), Wetland Enhancement at JCNWR

The Hawaii Department of Transportation Highways Division is requesting proposals for wetland enhancement at James Campbell National Wildlife Refuge (JCNWR) under Federal-Aid Project STP-083-1(085), with proposals due November 13, 2026 at 2:00 p.m. Hawaii Standard Time. Bidders must possess a valid State of Hawaii General Engineering "A" or Specialty Contractors "C-27" license prior to award.

The scope includes removal of specified invasive plants, restoration of native wetland vegetation, and follow-up maintenance and monitoring at Pond F-Mauka and the Punamano Unit reference site near Kahuku on Oahu. Work is subject to Davis-Bacon Act prevailing wage requirements; all laborers and mechanics must be paid weekly at rates specified in applicable wage determinations, with weekly certified payrolls submitted on Optional Form WH-347. The prime contractor must perform at least 30 percent of work with its own organization, excluding specialty items.

The estimated construction cost is between $1.12 million and $1.68 million. Performance and payment bonds are required. The project is federally funded through Surface Transportation Block Grant Program highway funds and is subject to 49 CFR Parts 21 and 26 nondiscrimination and Disadvantaged Business Enterprise program requirements, Contract Work Hours and Safety Standards Act provisions, and Clean Air Act and Federal Water Pollution Control Act compliance. All work must meet federal, state, and local safety, health, sanitation, and OSHA standards. Compliance certifications regarding debarment, lobbying, and use of United States-flag vessels for oceanic shipments at 50 percent gross tonnage threshold are required.

A virtual pre-bid conference is scheduled for October 21, 2026 at 2:00 p.m. on Microsoft Teams; interested bidders must contact Project Manager Andrew Hirano at andrew.j.hirano@hawaii.gov no later than five working days prior. Requests for Information and Substitution Requests are due October 28, 2026 at 2:00 p.m. HST through the Hawaii eProcurement System (HIePRO). Proposals must be submitted through HIePRO.