This is bunker CTF 22.
The bunker is located within the sector Les Margarins-Neufchateau of the first line of defense for the city of Liège, la Position Fortifiée de Liège 1, PFL 1.
CTF stands for 'Centraux téléphoniques' which can be translated as a bunker for telephone exchange. The bunker was not intended as a bunker in de line of defense or shelter. Within the PFL area there were 34 CTF-bunkers. They provided communication between the forts and the bunkers.
typical for this kind of bunkers is that they do not have gunopenings. On first sight one might think dat the opening next to the door was for a cannon or machinegun. But this is an escape hatch. The bunker is almost comletely covered in ivy. It is locatet al a privat plot and the entrance and escapehatch are covered with soil.
Telephone lines were burried as deep as 2 meters in between bunkers and the forts. Outside the forts the lines were burried even as deep as 6 meters. Out of precaution for the expected shelling of the forts with heavy artillary. At this depht the lines would be less vurnerable for the shells.
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