Figure 38 Recess or Enclosure with Fully Louvered Doors
6.5 Doors and Ventilation
If a recess is to have doors tted (to prevent unauthorized access) then the recess must have:
• Doors covering the full opening width to facilitate maintenance access.
• Doors constructed of re retardant material.
• Direct and adequate ventilation to outside atmosphere – maximum ventilation must be
achieved, preferably by the use of appropriately sized high and low ventilation to outside
atmosphere to achieve air circulation.
• Ventilation openings located so that adequate ventilation is achieved in all parts of the
enclosure (i.e., from oor to roof level).
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