What work does not require a permit? “Ordinary maintenance” does not require a permit

This does NOT include paneling; Wall papering at ANY location; Glass (replacement) in ANY window or door, being of a type and quality that complies with code; ANY window or door (replacement), including storm windows, storm windows and garage doors, in the same opening without altering the dimensions or framing of the original opening. [...] In ALL cases, the repair or replacement of polypropylene siding shall not be ordinary maintenance; 1 ANY PART of a deck, porch, or stoop (repair or replacement)that does not provide structural support for any roof or portion of a building. [...] This does not include relining of fixtures (which would not be considered to be ordinary maintenance); ANY ball cock replacement as long as they are an approved anti-siphon type; ANY repair of leaks involving the replacement of piping; ANY clearance of stoppages; ANY faucet replacement or working parts of faucets; ANY valve replacement, including shower or combination bath/shower valves;. [...] Fire Replacement of ANY sprinkler or smoke alarm, smoke detector, or heat detector head with a like device; Repair or replacement of ANY component of a fire alarm or smoke and heat detection equipment (other than the replacement of a fire alarm control panel); Installation of ANY battery-powered smoke alarm; and Installation of ANY battery-powered or plug-in type carbon monoxide alarm. [...] 3 HVAC Replacement of ANY motor, pump and fan of the same capacity; Repair and replacement of ANY heating, supply and return piping and radiation elements, which does not require rearrangement of the piping system; Repair and replacement of ANY duct work; Repair of ANY air conditioning equipment and system; Repair or replacement of ANY control device for heating and air conditioning equi.