(1)
Exhaust ducts or vents connected to laundry-drying equipment shall discharge directly to the outdoors.
(2)
Exhaust ducts connected to laundry-drying equipment shall be
(a)
independent of other exhaust ducts,
(b)
accessible for cleaning, and
(c)
constructed of a smooth corrosion-resistant material. (See Note A-9.32.1.3.(2))
(3)
Where collective venting of multiple installations of laundry-drying equipment is used, the ventilation system shall
(a)
be connected to a common exhaust duct that is vented by one central exhaust fan, and incorporates one central lint trap,
(b)
include an interlock to activate the central exhaust fan when laundry-drying equipment is in use, and
(c)
where required by Article 9.32.3.8., be provided with make-up air.