Public contracting authority: Anhua County Water Company
Construction company: Hunan Xingda Construction Group Co. Ltd
Length: 11.5 KM
Application: Reservoir water diversion
This is the reconstruction project for the Hongyan water supply pipeline and use DI pipes to replace the original DN500 PE pipes which has been scrapped.
- Big difficulty in construction due to the 110 meters height difference from Hongyan reservoir.
- Complex construction environment including overhead line, culvert, inverted siphon, across and along the road, laying along river bed, etc.
- The pipeline that lay along river will be submerged in the river during the flood season.
- Use BFS cement lining and 200g/m2 Zn coating to resist the corrosion in the complex construction environment.