Project Overview 

ALISHAR CONTRACTING  executed the construction of a 73-kilometer underground potable water transmission line, with pipeline diameters ranging from 200mm to 500mm.

The scope of work included:

• Installation of ductile iron pipes, valves, and valve chambers
  
• Trench excavation, backfilling, compaction, dewatering, and re-asphalting
  
• Removal of excess materials and full surface restoration

Specialized works involved the installation of:

• Washout valve chambers in reinforced concrete
  
• Butterfly valves and flange connections adaptable to SCADA systems
• Air release valve chambers with reinforced concrete construction, fittings, steps, and protective measures