The contractor will perform structural repair, recapitalization, and/or demolition of Aids to Navigation (ATON) structures at multiple sites in New York, Connecticut, and Rhode Island, with an optional additional repair in Massachusetts. The base work involves specific tower/foundation replacements, repointing, and demolitions at seven identified locations, while the option covers window replacement and recoating at Chatham Light. The estimated contract value is between $1,000,000 and $5,000,000, with a 20% bid guarantee and performance/payment bonds required. The acquisition is 100% set aside for small businesses under NAICS 237990, and vendors must be registered in SAM. The base performance period is 300 calendar days from Notice to Proceed, with a 60-calendar-day option period at the Contracting Officer's discretion.