Green Quarter Manchester


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The contract involved a ground works package, which included bulk excavations, deep drainage, concrete works, waterproofing and backfilling to basement structures.

The schemes involved the following work elements:

  • Bulk excavations facilitating the installation of the Larson piles and associated struts and props to enable the reduced dig to basement level
  • The drainage package consisted of both surface water and foul systems, which had to be piped from basement level and connected into the existing live Systems
  • Reduce dig to formation and concrete blind with steel Foat finish ready to except waterproof membrane
  • Waterproof tanking to external basement walls with Fibreboard protection
  • Back filling operations were the most challenging aspect of the groundwork’s package. This was due to the width and height restrictions imposed by the Larson pile propping system