Bunker SB B is located a mere 25 meters from the edge of the road in a meadow between the villages of Ménobu and Becco. The bunker belongs to sector Sougné-Becco (SB) of the 1st line of defense for the city of Liège, la Posistion Fortifiée de Liège 1, (PFL 1).
It a smaller bunker with one gun opening for a machine gun or cannon. The bunker is not accessible. It's located right along a manure pile. The walls of the bunker are 1.3 meters thick on all sides, of reinforced concrete.
Although the bunker is almost completely overgrown with ivy, it can be assumed that it is the same type of bunker as bunker SB A. There seem to be no ventilation holes above the gun opening. Again, as with several bunkers in this line, the bunker will have had 'open doors'. These would have been a lamella door on the inside, and a barred door as the outside door. These were smoke gas-permeable. The smoke gases generated when firing the machine gun could escape in this way. See, for example, bunker SB 9 for what these doors looked like. Also missing are the openings for the grenade gully's for proximity defense.
As with most bunkers, after the war when the bunkers had lost their strategic value, the metal hatches and doors were removed and sold as scrap metal. It also happened that during the war the bunkers were stripped of iron by the Germans and melted down for other purposes. If cast-iron observation turrets were present, they were reused at the atlantikwal, among others.
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