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Dawson Wam

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Contiguous Piling

DAWSON-WAM are capable of installing contiguous piled retaining walls ranging from 300mm to 1200mm in diameter to depths of up to 30m. They are most suited for applications were the retaining wall is only required to support soil and there is no requirement for water tightness. Individual bored piles are installed with a small gap between each pile. Examples of such applications include:

  • Retaining walls
  • Road & embankment retention
  • Launch & reception pits for tunnelling operations
  • Strong retaining structures to aid excavation

The contiguous piled walls can either be designed to stand in cantilever, or were the height to be retained is excessive, they can be capped with a reinforced concrete beam and restrained by means of ground anchors. DAWSON-WAM offer a complete design and construct service taylored to each client's individual requirements.


Please browse our case studies for recent projects and examples of varying applications.


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Featured Projects

Belle Vue Centre
Balmoral Eye Clinic
A921 Aberdour
Belle Vue Centre
Stroud, Gloucestershire
Balmoral Eye Clinic
A921 Aberdour
DAWSON-WAM was contracted by EG Carter to design and construct a retaining wall and load bearing piles for a new education facility in Stroud. The steeply sloping site was in an area with a history of landslides so an extensive design was completed by DAWSON-WAM for both permanent and temporary conditions.
DAWSON-WAM completed the installation of 140 linear metres of contiguous pile wall.
DAWSON-WAM were appointed as main contractor to undertake the installation of a contiguous piled retaining wall.
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