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Started by: whups (13264)
chris you were a surveyor at golborne & know how this works . high pressure breaking rock will enevitally create gaps in the strata . it will undoubtly collapse & cause subsinece . if you get the time chris then look for a dvd called gastown by johnathon fox . watch it then get back to me on our blog in places .
Replied: 30th Oct 2018 at 12:38