CO2541-33 unicom tower installation

The State of Hawaii Department of Transportation, Airports Division is soliciting bids for demolition of an existing UNICOM tower and installation of a pre-fabricated replacement tower at Kawaihapai Airfield, Mokuleia, Oahu under solicitation CO2541-33, with bids due October 22, 2026 at 2:00 p.m. Hawaii Standard Time and a pre-bid conference and site visit on September 29, 2026 at 10:30 a.m. at the Kawaihapai Airfield parking lot. A minimum of 80% Hawaii resident workforce is required under HRS 103B-3, and bidders with apprenticeship agreements receive a 5% bid adjustment.

Bidders must hold a valid State of Hawaii General Engineering "A" or General Building "B" license at the time of bidding. The scope encompasses selective demolition, concrete work, carpentry, roofing, siding, painting, and electrical installations. The new tower is a Panel Built, Inc. pre-fabricated modular structure with a 30-foot utility wood pole for antenna mounting, an electrical/storage building, site preparation including 2 inches of asphalt pavement overlay, and associated civil, structural, and electrical work. Work must occur primarily during off-peak nighttime hours to minimize airfield disruption; runway closures require two weeks' advance notice for NOTAM issuance. The contractor must obtain all required permits, employ a special inspector for concrete, reinforcing steel, field welding, and pre-engineered metal building construction, and comply with the State of Hawaii Building Code (2021 International Building Code), Fire Code (NFPA 1 2018), NEC electrical standards, FAA Advisory Circular 150/5370-2, and extensive airport operational area safety protocols.

The estimated construction cost ranges from $800,000 to $900,000. Bid security of a minimum 5% of the base bid and additive alternates is required. Proposals must be uploaded entirely to HIePRO prior to deadline; hard copy submissions are not required. Questions and substitution requests are due October 8, 2026 at 2:00 p.m. The contract will be awarded to the lowest responsible bidder.