Construction Projects in Turkmenistan

Ashgabad Drainage – Communication Tunnel

2009 - 2012

Task

Lowering of groundwater level in most flooded areas of the city.

Collection and transport drainage water and sewage outside the boundaries of the city by gravity through the Karakum River

Installation of utilities – water pipes, electrical cables, low-voltage lines inside the tunnel.

General Information

Tunnel construction is carried out under complex hydro geological conditions in the city with already developed system of communication .

Seismicity of the area – up to 10 points The length of the tunnel with the outer

diameter of 6m – 16500km The length of the tunnel with the outer

diameter of 3.5m – 13820km There are 31 Construction Chamber which

were constructed by the method of “wall in the ground”

Construction of Drainage-communication tunnel

Fragments of construction chambers

Typical ChamberTotal 21

Karakum River Underground Passage

Construction Chamber

Impervius

Waterproofing & Anti-corrosion

Application Technique Impervius Anti-corrosion

Coatings

Work in Progress 2009

Training 2009

VIDEO PRESENTATION