Evaluation of the Type 1 dependent loops suggested that 9 cases displayed a "potential air-lock
" condition, and 3 cases displayed a "probable air-lock
Operations director Simon Parry said today: "Low-secure is where we have an ordinary 6ft-high fence surrounding the area and we would have an air-lock
system, but it's more for the protection of patients rather than the public.
"The building should have been sealed off with an air-lock
for entry and exit, a ventilation filtration system installed and the workers should have worn specialist clothing and breathing apparatus.
A baffle from street noise, it also serves as an air-lock
entry and a source of sunlight.
The 16.5 by 12.5m Icebox has been supplied with 150mm insulated panels, a galvanized steel support frame, which is connected to a galvanized steel walkway, an air-lock
entrance, and it has independent temperature monitoring.
As an air-lock
entry, the glass box keeps furnace-warmed air from escaping from the main house when the front door is opened.
Cocoa nibs are fed through an air-lock
into the SCN pin mill.