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CASE STUDY

PILING MAT AND COMPOUND AT THE ISLINGTON PUMPING STATION, KINGS LYNN

PILING MAT AND COMPOUND AT THE ISLINGTON PUMPING STATION, KINGS LYNN

 

The background

Geobind were approached by Balfour Beatty for a piling and compound solution required for the upgrade of a historic pumping station in Norfolk as part of ongoing water utility improvement works in the region.

The challenge

The works were situated in an area with single track farm access meaning the minimisation of deliveries was key to meet programme. Working close to the water would also require a dust free solution to prevent harm to the water courses and it was also a requirement that the land utilised for the compound area must be returned to DEFRA indices for pH and Nutrient.

The solution

Geobind installed their standard stone surface design in the areas of compound due to the short lifetime requirement of one year. For the piling mat, a traditional stone design would require 600mm of stone and removal of soils from site however Geobind undertook a category 3 check to prove a 350mm design covered with 100mm of stone. This design was ultimately signed off and installed at site.

Award recognition

The piling mat undertaken by Geobind received recognition by Balfour Beatty under their new regional initiative, Construction Excellence. This was due to the saving of £65,000.00 attained by Balfour Beatty over the 6,000m2 area alongside the great environmental benefits achieved across the project.

The result

  • £65,000.00 Cost Saving
  • Strengths far exceeded 260kN/m2 requirement
  • 6,000m2 Piling mat complete and in use within 4 days
  • Primary aggregate reduction of 80%
  • Vehicle movement reduction of 79%
  • Associated carbon emissions reduced by 79%
  • Compound to be fully decommissioned on completion of works to DEFRA pH and Nutrient Indices
  • 79% reduction in wagon movements 79% 79%
  • 79% reduction in associated carbon emissions 79% 79%
  • 80% reduction of primary quarried aggregate 80% 80%
  • 100% reduction in export disposal 100% 100%
Edenbridge-181018-231
Edenbridge-181018-231
Edenbridge-181018-231

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