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Okruh Debrník - utajená obrana

Permanent devices for destruction

In order to make the enemy´s progress on communications most difficult in case of war, there were built already in times of peace the so-called “permanent devices for destruction” of road bodies and bridges (including railway bridges). The objects for roads and paths destruction were constructed at suitable locations usually within the whole range of the field defense zone, while the devices for bridges destruction were constructed at large strategic points throughout the country, usually already during the bridge construction if its area exceeded 30 m2. Outside the border zone, its maintenance was carried out by local communications management. The objects for roads and paths destruction usually consisted of a concrete shaft (a well) recessed below the ground level, in which a bomb could have been inserted. The number of shafts for bombs insertion depended on the size of the road body and usually there were two or four wells. In times of peace, the concrete rings making the shaft to store the explosives covered with massive concrete cover. The devices for bridges destruction were always designed according to the specific type of the bridge and it was most often made of a chamber formed in the supporting pillars or flanges´ pockets for bombs storage. The construction of permanent devices on communications within the defense zone was carried out, as well as the fortification objects, by locally deployed shooting (later also motorized) regiments. Preparation and adjustments of charges in the event of war conflict were provided by military sapper teams. If the objects were located in the border zone, then by the Border Guard units. Nonetheless, these objects were never used in combat, and most wells in the road bodies were gradually covered by newly constructed asphalt surfaces. Combat engineering, regarding state border defense formation preoccupation, included laying anti-tank minefields according to plans made in advance. Mines for this purpose were stored at appropriate Border Guard platoons.

GPS position

N 49° 7.712', E 13° 13.285'



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