FFS I hope they're awefully damn careful!
The huts are quite old and probably highly flamable.
I can see it now -- M'Lord of Co(r)e swaggering in as he does.
Torch comes in, in the pass it gets dropped and all the code breakers huts go up in flames. In a fit of stupidity the fire service sees an orange glow and sprays water on Colossus and it is also lost forever.
I can certainly suggest a few better places to "place the torch" M'Lord