This is bunker PL 10-2 of the sector Pontisse-Lixhe in the 4th line PFL (la Position Fortifiée de Liège) of defense for the city of Liège and belongs to fort Pontisse.
Just 25 meters form PL 10-2, bunker PL 10 is located. This bunker was to guard the road. (Bunker PL 10 was to guard the river Meuse).
As shown on the map, the bunkers support eachother in defending the area.
On juist 30 meters from bunker PL 10-2 the third bunker (PL 10-3) was located to guard the Albert channel. This bunker has been demolished.
The walls and ceiling of the bunkers from the PFL were standard 1.30 m. thick and of reinforced concrete. They had to be able to withstand shells of 150 mm. To illustrate, the caliber of shells a Königstiger could fire was caliber 88 mm. Thus, only heavier caliber field guns could penetrate the concrete and potentially destroy the bunker.
The bunkers were built in the 1930s.
After the war, when the bunkers lost their strategic value for the Belgian army, the plots of land on which they stood were sold. All the metal of the hatches and doors was sold as scrap metal. Hence the that most bunkers are now on private plots.
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