Khirdalan-Khojahasan-Sulutapa Tunnel type sewer collector

Project Status: Completed

Project Description: 7,5-km tunnel project is a new and essential project for Azerbaijan. A Tunnel Boring Machine was manufactured for this project in Germany by Herrenknecht. The tunnel consisted of 9 shafts. The entrance shaft was made up of 138 piles which were 22 meters long and 1 meter in diameter.

Project details:

  • Internal diameter of the tunnel – 2.850mm
  • External diameter of the tunnel – 3.550mm
  • Total length of the tunnel – 7.531 m
  • Depth of the shaft – 296 m
  • Number of shafts – 9

A modern camp was built in the scope of this project, which included dormitory and dining hall for 250 personnel, storage, workshop for manufacturing concrete segments, electrical transmission station and green areas.