Some thing similar to this will be my bug out base.♠Eric♠ Tunnel Characteristics,The first characteristic of a tunnel complex is normally superb camouflage. Entrances and exits are concealed, bunkers are camouflaged and even within the tunnel complex itself, side tunnels are concealed, hidden trapdoors are prevalent, and dead-end tunnels are utilised to confuse the attacker. Trapdoors were utilised extensively, both at entrances and exits and inside the tunnel complex itself, concealing side tunnels and intermediate sections of the main tunnel. In many cases a trapdoor would lead to a short change-of-direction or change-of-level tunnel, followed by a second trapdoor, a second change-of-direction and a third trapdoor opening again into the main tunnel.Trapdoors were of several types; concrete covered by dirt, hard packed dirt reinforced by wire, or a basin type consisting of a frame filled with dirt. This latter type was particularly difficult to locate in that probing would not reveal the presence of the trapdoor unless the outer frame was actually struck by the probe. Trapdoors covering entrances were generally a minimum of 100 meters.In some cases these complexes were multileveled, with storage and hiding rooms generally found on the lower levels. Entrance was often gained through concealed trapdoors and secondary tunnels. In the deeper complexes, foxholes were dug at intervals to provide water drainage. Main tunnel length was approximately 700-meters Longest straight stretch was 10-meters Shortest stretch was 1-meter Every 50-meters there was a 50-foot side tunnel, or offshoot Average tunnel size was 2-feet wide and 2.5 to 3-feet high Air shafts were spaced at intervals throughout the system and were generally conical in shape, approximately 12-inches at the base and 2-inches at the top About every 100-meters there was a room, approximately 4 x 6-feet and 3-feet in height with shelves along one wall together with seating.These rooms were also found at the end of secondary, offshoot tunnels At 30 to 40-meter intervals in the main tunnel wall, small offshoots were noted with bamboo backwalls.There are aslo excavation shafts leading to the surface from behind the bamboo wall with the shafts being filled in with dirt after the adjacent tunnel section had been completed. Bunker raised three feet with four firing ports.
Posted on: Thu, 19 Jun 2014 06:13:43 +0000
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