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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.


Basements Brochure

Featured Projects

Parliament Buildings Retaining Wall
Balmoral Eye Clinic
A921 Aberdour
Parliament Buildings Retaining Wall
Balmoral Eye Clinic
A921 Aberdour
DAWSON-WAM ltd was appointed by Whitemountain Construction Ltd to carry out the installation of a contiguous piled retaining wall to enable the construction of a new MLA’s carpark to the rear of parliament buildings and in the interim provide an area where mobile cranes could be erected to carry out essential repair work to the roof.
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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