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7. PLUMBING 7.7 Water heaters which depend on the <br /> combustion of fuel for heat shall not <br /> Provide water distribution sizing be installed in a room used or <br /> calculations because of the size and designed to be used for sleeping <br /> complexity of the system (see purposes,bathroom,clothes <br /> attached form). closets or in a closet or other <br /> confined space opening into a <br /> 7.2 Note on the plan that the hosebibbs bathroom or bedroom,unless <br /> and lawn sprinkler systems shall direct vent water heater. UPC, <br /> have approved backflow prevention Section 509.0 <br /> devices. UPC,Section 602.1. <br /> 7.8 Indicate that shower valves shall be <br /> 7.3 Dimension on the plans, the 30" an individual control valve of the <br /> clear width for water closet pressure balance or thermostatic <br /> compartments and 24" clearance in mixing valve type. Handle position <br /> front of water closet. UPC Section stops shall be provided on such <br /> 408.6. valves to limit the mixed water to a <br /> maximum temperature of 120 <br /> Detail seismic anchorage of water degrees Fahrenheit. UPC Section <br /> heater. See attached details. UPC, 420.0 <br /> Section 510.5. <br /> 7.9 Note on drawing that an approved <br /> 7.5 T & P valve shall discharge at metallic waste and vent system is <br /> exterior of building point down required in buildings of three or <br /> within 24" to 6" above ground. more stories. CPC Section 701.0. <br /> UPC,Section 608.5. <br /> 7.6 In a water heater enclosure, provide <br /> a minimum clear area of 50 square <br /> inches of combustion air vent within <br /> 12" of floor and ceiling or size <br /> openings per UPC Table 5-2. <br /> 16 <br />