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he underground structure
involved a massive civil engineering task in those dark, austere
post war days.
Design of the Bunker
The design demanded a 40-metres deep hole with a "shock-absorbing"
foundation of gravel. The outershell of the building was constructed
with a n outer shell of 3 meter's of solid concrete reinforced
every 15cm with 2.5cm thick tungsten rods.
Finally the whole structure was lined with brick, covered
with netting and soaked to form an outer casing.
The guardhouse was built to resemble a traditional Scottish
farmhouse but secretly reinforced with concrete and steel
girders. This building concealed the access to the bunker
and provided accommodation for the security guards detailed
to protect it from prying eyes.
After landscaping there was little to give away the secret
from above ground.
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