Character building | Archive Titles

Table 1: Control strategy for the vertical louvres enclosing the lightwells
Conditions	Louvre position
Dry and hot	All louvres - full open, all faces
Dry and warm	Half louvres - full open, all faces
Dry and cold	Louvres shut
Rain and high wind	Louvres shut
Rain, hot with no or low wind	Lee side louvres open, upstream louvres half open
Rain, warm with no or low wind	Half lee side louvres open, half upstream louvres half open
Rain and cold	Louvres shut
Fire condition	Lee side louvres open, upstream louvres shut
Notes: fireman's control panel has override on all louvres. Low wind speed – below 3·5 m/s; high wind speed – above 10·0 m/s. Cold – 12°C; warm – 14-21°C; hot – 24°C.