Council bosses have admitted it is “not practical” to predict where mining shafts could open up after a 45ft-deep hole appeared in a Bradford park this week.

The admission came after the hole leading into a 19th Century mine shaft opened up under a groundsman’s mower as he rode over it while carrying out maintenance work in Harold Park, Low Moor.

The groundsman was uninjured in the incident on Tuesday, but when the mower was moved, the 45ft deep and 9ft wide hole was revealed. Bradford Council and the Coal Authority have now both admitted there is little they can do to predict which areas may become dangerous.

Following concerns from the public, the Telegraph & Argus yesterday asked the Council:

  • If it was undertaking any work with the Coal Authority to identify other areas or mine shafts which could be at risk of falling through.
  • If it was aware of any other areas in the park it believes to be at risk, or where holes have already appeared.
  • If a new survey could be carried out so the Council had a full record of where mine shafts were in the district.
  • What assurances it could offer it is safe for the public to use Harold Park.

In response, a Council spokesman said: “Any former mining area will have problems with periodic subsidence as the ground settles into former shafts and tunnels.

“However, it is not practically possible to predict where the subsidence will take place.

“All we can do as a local authority is constantly monitor the land we are responsible for and as soon as a problem occurs, react as swiftly as possible.”

The T&A yesterday reported how Councillor Val Slater (Lab, Royds) said she expected the Coal Authority would be taking steps to identify any other hazards in the area and “dealing with them before any other unfortunate accident occurs”.

John Delaney, the Coal Authority’s corporate services manager, said the organisation reacted to reports of holes appearing. As part of the Mine Entry Inspection Programme, it inspected properties known to have mine entries underneath.

He said: “There may be no sign of any problem, but if any problem does arise we would make the damage good.”

Mr Delaney said the authority held records on around 170,000 mines in the country, although believes there could be up to 300,000 mines dating back to Roman times.

He said: “As soon as anything is reported, we will respond straight away, event though it might not always be coal-mining related.”

Mr Delaney said the authority made maps available to councils on its website. He added: “We do liaise with the local authority and we do make interactive maps available to them.