Collapsed Drain

A S & D Drainage Services Case Studies of Yeovil District Hospital

Project Info:

  • Completed on: 27 November 2014
  • Client: Yeovil District Hospital
  • Location: Yeovil
A heavily used foul drain taking waste from the hospital office facilities was found to have dropped by 50mm approximately 1metre upstream of the very deep manhole situated
behind and under the steps at a depth of approximately 2 metres.

It was totally impractical to excavate so a platform was constructed in the manhole and access to the pipe made by breaking through the wall of the chamber and pulling the broken pipe out and pushing a new UPVC pipe back in. There was no way of reaching the far end of this to install a coupling and the remainder of the drain was poor with many cracks and fracture so the run was lined with a high performance inverted “Brawoliner” that rectified the faults and formed an internal coupling. This operation prevented major disruption to a very busy thoroughfare and avoided the engineering concerns that would have

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