Plumbing, heating, electrical, ventilating, air-conditioning, refrigerating,
cooking, fire-protection and radiation-production equipment, elevators,
dumbwaiters, escalators and other mechanical additions, installations
or systems for the use of the building shall be installed, located
and maintained so that under normal conditions of use such equipment
and systems will not be a danger to health or welfare, a danger because
of structural defects, a source of ignition or a radiation hazard
and will not create excessive noise or otherwise become a nuisance.
Equipment and systems include, but are not limited to, apparatus,
devices, fixtures, piping, pipe hangers, pipe covering, wiring, fittings
and materials used as part of, or in connection with, such installations.