Government / public works • Confirm status with Jonuz
• Install/replace the fire-suppression (sprinkler) system — a separate project from the roof/HVAC job at the same library • Selective demolition of existing utility materials/valves and ceiling (gypsum plaster on gypsum lath) • New CPVC fire-suppression piping (NFPA 13) with fittings; schedule-10 steel pipe and ductile-iron grooved fittings • Pressure-relief valves and sprinkler system components; brass sprinkler heads with escutcheons; sprinkler head cabinet • New 4″ reduced-pressure-principle backflow preventer with OS&Y valves • Electrical demolition of existing fire-alarm control panel, annunciator panel, and flow switch
Government / public works • Confirm status with Jonuz
