There
are several standards and codes followed while building
a bomb shelter right from the minimum load capacity to
lighting and even drinking water supply to sanitation. The most
significant ones are the ventilation and temperature control of the
shelter according to the size and structure which should also comply
with the set standards as per the state. There must be a minimum of
supply of fresh air, which is ideally 3 cu. ft. per minute for each
occupant of the fallout shelter. This will prevent oxygen layer
depletion along with carbon dioxide buildup within the shelter.
Temperature
inside the shelter should be not less than 500 F or 100
C during the period of occupancy. On the other hand temperature
inside the shelter should not be more than 820 F or 280
C at all times. This average effective temperature standard should
have at least 90% reliability for safe and healthy occupancy. All
this can be achieved with a carefully designed ventilation system
keeping the outside air intake point 2 ft. above any surface on which
radioactive fallout can be deposited.
At
Northwest Shelter Systems we follow the exact standards set while
designing the products. We are the leader in underground shelter
construction and have already installed such units in several homes.
Just give us a call for a free site evaluation, estimation and let
our expert crew handle the rest. We even design underground concrete
bunkers and blast doors even so that tyou are well protected from any
chemical or bio-chemical threats.
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