- During hostilities an overpressure was maintained in
the fighting blocks. When the whole of the fortress was in full
activity, a consumption of 80000 m³ of air was necessary; to allow for
this huge demand in fresh air two main air inlets had been foreseen :
blocks Jonckay and Waucomont.
- These two blocks were equipped with enormous steel
tubes (60cm in diameter) : 12m in length for block Jonckay and 18m in
length for Waucomont; these tubes could be levered to the outside in
order to take in fresh air above a possible gas cloud in case of attack
by heavy poisonous gases (keeping 1914 in mind).
- A filter room (using active charcoal filters) had
been built in the underground, to be able to purify the air in the
underground troop buildings if necessary.
- To ensure a constant overpressure in the fighting
blocks, a lock-chamber had been installed at the entrance to each of
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Created on 2000/02/27