Crossmolina Sewerage Scheme
Client: Mayo County Council
Engineer: Ryan Hanley Consulting Engineers
Architect: N/A
Value: c €6M
Period: 2001 - 2003


Construction of wastewater treatment works of 3,150pe, including;

  • Construction of three pumping stations and control buildings
  • New sewers to replace and extend the existing systems
  • Surface water pipelines
  • Water mains (part of advanced works for Ballina RWS)
  • Repairs and rehabilitation to existing system
  • Demolition of existing treatment works
  • Refurbishment of three existing pumping stations
  • Renewal of town centre streetworks

Special operations included:

  • Traffic management in urban environment
  • Permanent and temporary works in River Deal
  • Use of structural sheet piled cofferdam
  • Construction of pre-cast, post-tensioned tanks