Orange County NC Website
DocuSign Envelope ID: E9612703-F25B-492D-9C8C-EC3F9728ECE6 <br /> Exhaust ductwork shall be un-insulated. <br /> B. BLANKET INSULATION: <br /> Blanket type insulation shall be 3/4 lb. density fiberglass having a vapor barrier jacket of.002 inch <br /> high aluminum foil laminated and reinforced with paper or glass fibers (minimum R= 8.0). Duct <br /> insulation, including jacketing and adhesives when used shall have a flamespread rating not to <br /> exceed 25 and a smoke developed rating not to exceed 50 when insulation assembly is tested as a <br /> composite product. <br /> Vapor barrier jacket shall be overlapped not less than 2 inches at all joints by cutting back insulation <br /> and lapping jacket to form a smooth tight joint scaled and cemented down with a suitable <br /> noncombustible adhesive. Insulation shall be secured to ducts with weld pins or metal stick clips <br /> and speed washers spaced at not over 12" o.c. each way. <br /> 15822 AUTOMATIC 'TEMPERATURE CONTROLS: <br /> Generally all equipment to be furnished with packaged controls per schedules and <br /> information on drawings. Mechanical Contractor shall be responsible for setup and <br /> programming of all controls per manufacturer's recommendations. All occupancy <br /> schedules to be coordinated with the Owner. Information below is for guidance only— <br /> refer to specific equipment/products installed and match systems and performance to the <br /> fullest extent possible. <br /> Units shall be furnished with packaged control equipment. Wire in strict accordance with Provide <br /> solid state heating-cooling auto-changeover,7-day programmable thermostats for space temperature <br /> control for gas furnaces (with split, dx cooling) and multi-mini split split systems. Therniostats to <br /> have dual setpoints (heating/cooling). <br /> Thermostats shall be equipped with switches to provide for continuous fan operation, or Auto fan <br /> operation and system Off-Heat-Cool-Auto,and be compatible with equipment furnished. Fan shall <br /> run continuously for all rtu's during"occupied"periods. <br /> Program control for designated toilet exhaust fans to be via associated zone programmable <br /> thermostat (wired—in at auxiliary contact(s)). <br /> Units shall be furnished with packaged control equipment. Wire in strict accordance with <br /> manufacturer's recommendations,providing any and all wiring and conduit required to connect the <br /> various components together. System shall meet all N.C. Energy Code and ASHRAE 90-89 <br /> requirements. <br /> Any control devices shall be located for convenient access and function if not specifically located on <br /> 15H-30 <br />