The fee shall be $13 per
drip pan, humidifier, whirlpool tub, combustion air fixture, vent
or stack. For the purpose of computing this fee, "fixtures, vents
or stacks" shall include, but not be limited to, water closets, urinals,
bidets, lavatories, sinks, showers, floor drains, washing machines,
dishwashers, hose bibs, drinking fountains, indirect waste or water
connections, residential solar systems, roof drains, storm drains,
leaders, sump pumps and conductors.