7.4.1 - Introduction
A sauna is a room in which the air is heated
to a high temperature, humidity usually being very low,
but occasionally increasing when water is deliberately poured
over the heater. People using a sauna are usually unclothed
and often wet (mainly due to perspiration), the absence
of clothing (particularly shoes) removing much of their
protection from shock (see{3.4.2}).
Special Regulations for saunas are new
in the 16th Edition. As with bathrooms and swimming pools,
zones are again classified, but this time they are concerned
more with temperature levels than contact with water.
Zone A
The volume within 0.5 m horizontally from the Sauna
heater and extending from the floor up to within
0.3 m from the ceiling.
Zone B
The volume covering the whole of the sauna room outside
zone A up to 0.5 m above the floor
Zone C
The volume directly above zone B and extending upwards
to within 0.3 m from the ceiling.
Zone D
The volume covering the whole floor area of the room
and extending down from the ceiling for a distance
of 0.3 m, including the space in this volume directly above
the sauna heater.
The extents of the four zones are shown
in {Fig 7.4}.
Fig 7.4 - Definition
of zones for sauna rooms
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