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FFI-RAPPORT 16/00707
125
does not cause the entire structure to collapse, as the stacking of the
piqlBins help to keep it upright.
Box
The piqlBoxes that are in contact with the flames and in their near
proximity will be severely affected by the fire. The PP in the piqlBoxes
has a melting temperature of 170° Celsius, and regular room fires can
reach between 600 and 1200° Celsius. The PP will therefore melt fairly
quickly, especially when exposed to fire for a longer period of time as
the extreme temperatures are sustained. The once hard plastic will turn
into a thick, sticky mass. If the piqlBoxes come in contact with the
melted aluminium of the grid, that will cause more damage as well.
The piqlBoxes which do not melt have still been subjected to extreme
temperatures. They will need replacing, as their structural integrity has
been compromised and their longevity can no longer be guaranteed.
Film
The piqlFilms that are in contact with the flames and in their near
proximity will be severely affected by the fire. The PET in the piqlFilms
has a melting temperature at approximately 260
o
Celsius, but already at
a temperature of 75° Celsius the properties of the PET will change a lot.
What happens is the same as when glass is heated; it will get softer and
more viscous. If the piqlBox serves to protect the Films from some of
the heat, it may well be that the melting PP of the Box will damage the
film where the materials come in contact.
The piqlFilms which do not melt have still been subjected to extreme
temperatures. This will also affect the readability of the piqlFilm, as
everything will get blurred.
Power/energy supply
The forest fire causes a general power outage in the area near the
piqlVault, but the generator which the piqlVault is fitted with manages
to keep up other functions, such as ventilation. When the fire reaches the
building, however, the electrical wiring short-circuits and all power
supply is lost.
Divergence from
ISO standard
The temperature in the storage room naturally increases rapidly once the
fire breaks out as flames generate and release large amounts of heat. The
flames, of course, do the most damage, but the rise in temperature in the
confined space will increase the negative effect on the remaining
piqlFilms.
Security mechanisms
Integrity
The piqlFilms that are in close proximity to the fire will be beyond
repair and the data will be lost. It will no longer be possible to verify the
integrity of the information. The information on the piqlFilms that are
subjected to the extreme heat may blur, depending on the proximity to
the fire source.
The damage, however, would have been far greater without the oxygen