Retaining Walls

Spiral Drillers Civil constructs timber, steel and composite retaining walls. All piles can be driven or cast in situ encased piles. The piles can be raked and placed at an angle as per design.

Types

Application

  • Retaining structures
  • Noise walls
  • Slip repairs

Projects

Project Name - Timber Retaining Wall, Howick

Project description

Retain along boundary of property, excavate driveway and construct further retaining wall for new right of way

Machine used

EX40

Special difficulties

Creating right of way for new subdivision behind existing house

Timber Retaining Wall, Howick
Project Name - Drake Street, Auckland

Project description

Soldier pile retaining wall on boundary of construction site, topdown construction used to create basement for new high rise building

Machine used

Soilmec CM39 & Volvo 14T

Special difficulties

Restricted access, limited workspace, drilling against existing buildings and restricted work hours due to residential properties in the vicinity.  Old water wells on property had to be cased and cleaned out to enable location of new piles

Project Name - Vale Road, St Heliers

Project description

Construct steel UB retaining wall on boundary using topdown construction with round unilogs and grouted anchor tiebacks

Machine used

PC200