Flue fed incinerators; spark arresters. Flue fed incinerators
shall be equipped with means for burning auxiliary fuel in sufficient quantity
to assure complete combustion of refuse. A flue serving an incinerator shall
be provided with a substantially constructed spark arrester.
Connections. Incinerators shall be connected to a suitable
noncombustible chimney, smokestack or flue. Connection to incinerators shall
provide free passage of refuse without clogging.
Signs. Durable signs with plainly legible letters prohibiting
disposal of highly flammable substances in incinerators shall be provided
near service openings.