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Page 3 of 4 <br />C.O.E. # <br />Date <br />VENTILATION AND INDOOR AIR QUALITY <br />� <br />// .� Source speciiic fans are required in each kitchen, bathroom, water closet, laundry faciliry, indoor <br />v swimming pool, spa, and other rooms where excess water vapor or c�oking odor is produced. <br />Specify the fan locations and sizes at minimum of 50 cfm at 0.25" water gauge for bathrooms <br />and laundries and 100 cfm at 0.25" for kitchens. <br />2. Specify on the plans which whole house ventilation system is used, single whole house exhaust <br />fan, combined source specific fans for whole house exhause, integration with forced-;ur systems <br />or dedicated heat recovery ventilation system. <br />The whole house system must be capable of providing at least 0.35 air changes ner t�our but not <br />less than 15 cubic feet per minute. Indicate the minimum efm of the system on the plans. <br />4. For whole house exhaust by fan, specify the fan location(s), size(2), and sone rating of 1.5 at <br />0.1" water gauge or less (for fans within four feet of the interior intake grille). <br />Specify that the integrated forced-air ventilation system has a 6" diameter outdoor a'v inlet duct <br />connecting a terminal element on the outside of the building to the return plenum of the forced <br />air system including a damper. This system must be performance tested prior to final inspection <br />with the intake duct labeled with the installer, tester and the actual CFM's measured at intake. <br />6. Specify all duct work in heat recovery ventilation systems not less than 6" diameter, and <br />balancing dampers and flow measurement grids installed on the supply and return. <br />� Outdoor air is required to be supplied to all habitable rooms for all whole house ventilation <br />systems. Specify the type of outdoor air system including individual outdoor air inlets, forced- <br />air heating system, ducting or equivalent means. <br />Show outdoor air inlet type and locations on the plans with screened and secure opening not less <br />than four square inches. 302.6 <br />� Note on the plans that outdoor air inlets shall not be placed ir the foUowing locations: <br />a. closer than 10' from an appliance vent outlet, unless such vent outlet is 3' above the outdoor <br />air inlet. <br />b. Where it will pick up objectionable odors, fumes or flammable vapors. <br />c. A hazardous or unsanitary location. <br />d. A room or space having any fuel-buming appliances. <br />