A permit
must be obtained for the installation of any mechanical work. Exception:
any portable equipment, minor repairs, or self-contained refrigeration
systems.
It shall
be unlawful for any person to alter, disturb or change any equipment
or to permit any equipment to be altered, disturbed, or changed unless
done in conformity with the regulations in this Building Ordinance.
Exhaust
systems. Every bath and toilet room shall be ventilated by either
an exterior window opening to the outer air of not less than three
square feet in area or by a mechanical ventilation system vented directly
to the atmosphere. Bath exhaust fans shall not be vented to attic
or soffit areas. All exhaust vents shall terminate in an approved
fitting. All exhaust ductwork in an unconditioned space shall be insulated.
Equipment
installation. Heating equipment may not be installed in attic or crawl
space areas unless such equipment is installed within a conditioned
space.
Crawl. Any equipment installed in a crawl space must be installed
on a concrete slab which extend a minimum of three feet in width along
the control side of the equipment. All equipment located in a crawl
space shall be raised at least eight inches above the slab.