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Contract No. 10/WSD/13 Preventive Maintenance Works, Upgrading Works and Associated Ground Investigations for WSD Slopes, 2012-2013 Programme

Provision of all supervision, labour, materials, plant, tools, implements, general obligations, and everything required for the satisfactory execution of the preventive maintenance works, upgrading works, emergency works and ground investigation for natural terrains, disturbed terrains, slopes and retaining walls.

 

The preventive maintenance works, upgrading works and emergency works include installation of soil nails, construction of retaining walls, cutting back of slopes to a gentler angle, recompaction of fill slopes , treatment works to rock slope, improving drainage, slope surfacing and landscaping. The ground investigation include excavation of trial pits and trial trenches, rotary drilling (drillholes and coreholes), stripping of slope surface protection, field (in-situ) testing, taking of disturbed and undisturbed Common Ground samples, obtaining cores (both rock and man-made materials), installation of instruments in the field, laboratory testing of soil and rock samples.

 

Key Features

  • preventive maintenance works
  • upgrading works
  • emergency works
  • soil nail
  • retaining wall
  • slope works
  • landscape works
  • ground investigation works

Client
Water Supplies Department

Construction Period
Dec 2014 to Aug 2018






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