Description
The City of Tybee Island is soliciting qualified contractors to design, supply, and install a 42 kW photovoltaic solar array on the flat roof of the Marine Science Center (approximately 40 ft × 80 ft). The project requires UL‑certified PV modules (Q‑Cell, USA‑made) and SMA Sunny Boy string inverters, installation on an existing TPO roof without voiding the warranty, compliance with wind‑loading (141 mph) and all applicable building codes, and provision of a one‑year warranty, production monitoring, and detailed documentation. The contractor must coordinate with GAF for roof‑warranty amendment, use GAF‑certified mounting systems (OMG Power Grip System Plus, Polar Bear III HD), and handle all permitting, inspections, and grid interconnection (240 V single‑phase). Submissions are due Nov 3, 2026, with an optional pre‑proposal meeting on Oct 13, 2026.
• Minimum system size: 42 kW (≈ 105 panels @ 400 W each)
• Roof dimensions: 40 ft × 80 ft, TPO roof (GAF)
• Required inverters: SMA Sunny Boy (string)
• Required modules: Q‑Cell, UL‑listed, made in USA
• Warranty: 1‑year on all components & workmanship
• Documentation: production monitoring, MWh annual generation estimate, three references for marine‑environment installations
• Permit & inspection fees: $600 pre‑inspection, $600 post‑inspection (to be included in bid)
• Delivery & installation schedule to be proposed
• All work must meet city, county, state, and federal regulations, including E‑Verify and SAVE program compliance.