(a) All thermal dryer system control panels constructed after June
30, 1971 shall be located in an area which is relatively free of moisture and
dust and shall be installed in such a manner as to minimize vibration.
(b) A schematic diagram containing legends which show the location of
each thermocouple, pressure tap, or other control or gaging instrument in the
drying system shall be posted on or near the control panel of each thermal
(c) Each instrument on the control panel shall be identified by a
nameplate or equivalent marking.
(d) A plan to control the operation of each thermal dryer system
shall be posted at or near the control panel showing a sequence of startup,
normal shutdown, and emergency shutdown procedures.