St Marys Wheeler St Boat Ramp Launch Dock Gangway

The City of St. Marys, Georgia is requesting sealed bids for the fabrication and installation of a new aluminum gangway at the Wheeler Street Boat Ramp Launch Dock, with bids due May 25, 2023 at 2:00 p.m. (Addendum #1 moved the opening from May 9). The project is located at GPS coordinates 3043'12.16"N 8133'0.35"W on St. Marys Street West at the south end of Wheeler Street in Camden County.

The scope encompasses design, fabrication, and installation of an 80-foot ADA-compliant aluminum gangway with truss construction, ribbed decking, bilateral handrails, guardrails, and non-skid walking surface. The gangway must be fabricated from aluminum alloy 6061-T6 with 300-series stainless steel hardware suitable for saltwater service. It must support a minimum uniform live load of 100 pounds per square foot with allowable deflection of L/240, accommodate tidal water-level fluctuations with a maximum slope of 8.33 percent, and include UHMW polyurethane rollers with stainless steel axles. All work must comply with the Aluminum Association's ADM-1, American Welding Society standards (AWS D1.1/D1.1M and AWS D1.2/D1.2M), and ASTM specifications. The design must be sealed by a Georgia-registered Professional Engineer with a minimum $250,000 professional liability insurance policy. Acceptable manufacturers are Ravens Marine, Gator Dock & Marine, or design-criteria-professional-approved equivalents; contractors must have minimum five years' experience in comparable gangway systems with at least three years of successful installation elsewhere. The gangway must be designed for a 20-year life expectancy with a five-year warranty covering materials and workmanship.

Contract duration is 90 consecutive calendar days from Notice to Proceed, with work commencing within 10 calendar days. Liquidated damages are $1,000 per day for failure to complete on time. Bid security equal to 5% of the bid amount is required, along with Performance and Payment Bonds each equal to the total contract amount. The contractor must maintain Commercial General Liability of $1 million per occurrence, Commercial Automobile Liability of $1 million per occurrence, and Workers' Compensation with $1 million per-accident Employers Liability limits. Monthly payments are made on certified estimates less 10% retainage. RFIs are due by May 18, 2023. Site visits are encouraged to assess local conditions.