A junior college is dealing with an unsure future after a chalk mine was found beneath it.
Geological surveys have discovered an “unacceptable threat” that the bottom under the Pinner Wooden Faculty, in Pinner, north-west London, might develop into unstable, Harrow Council mentioned.
Pupils of the first college have been advised they will be unable to return to the positioning till additional discover.
However it is usually potential they’ll by no means be capable of return to their college.
Harrow Council mentioned courses would relocate to different academic settings for the summer season time period whereas extra checks had been carried out to evaluate the positioning’s situation and security.
Laser imaging of the beforehand uncharted and unknown tunnels reveal they stretch beneath the varsity buildings and that mine roofs have collapsed in sure locations.
However the surveys might take months and it’s potential the bottom beneath the varsity can be deemed so unsafe that the varsity can by no means reopen in its present location.
The chief of Harrow Council, Sachin Shah, mentioned: “With the proof now we have found prior to now few days, we’re sure that that is the best choice.
“We want to stress that the upcoming threat to the varsity buildings is believed to be small.”
Dr Clive Edmonds, accomplice at Peter Brett Associates, which carried out the geotechnical surveys, mentioned it was probably that the mines dated from the early 1800s.
“As is frequent for chalk mines of this age there are not any mine abandonment plans and the mine workings are in a state of breakdown, as confirmed by the laser survey, posing a hazard to floor stability.”