Moor Cut Trial Digging

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Moor Cut Trial Digging

  1. 1. Moor Cut Trial Pit 26th November 2013 Proof of survey technique
  2. 2. Moor Cut channel bed, beneath A4/St Cloud Way – a twin foul main lies somewhere below….but how deep?
  3. 3. Track way and safety barriers set up
  4. 4. Delivering equipment to site
  5. 5. More equipment
  6. 6. ….and more
  7. 7. ‘Wise’ heads ponder the levels
  8. 8. … the ‘big beast’ arrives - a U Mole (trench-less digger)
  9. 9. Not forgetting the safety gear (a lifebouy ...?)
  10. 10. How deep did you say the pipes are….?
  11. 11. Extending the suction pipework
  12. 12. The ‘big beast’ …sucking up
  13. 13. As ground water seeps in … action pumps!
  14. 14. Are we there yet…?
  15. 15. That will be them ….. 2 off 300mm dia foul pumped sewer pipes..!
  16. 16. Separating water from reusable spoil for infill
  17. 17. • Task Cost £7.9k (plus VAT) • Contractor McNicholas • Survey/trial results awaited • Next step TW review of results • Complete twin main survey if technique accepted by TW

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