F22-11-105 - 2022 TRENCHLESS MAIN AND COLLECTION Rehabilitation

The City of Greeley Water and Sewer Department (W&S) has a need to rehabilitate some of its sewer collections
system by means of cured-in-place pipe lining (CIPP). This can be achieved by either of two methods: Thermal
Curing or Ultraviolet Light Curing, with specifications 00620 and 00621 included as Attachments A and B of this
document. Many of the City’s older, mostly clay sewer mains are deteriorating and allowing infiltration into the
system. The City has had success in the past rehabilitating portions of their sewer and stormwater systems
through CIPP methods and would like to expand this effort to include almost two miles of additional sewer in this
first year of a three-year contract. Future years’ scopes will be determined by budget constraints and risk
evaluations and be added as Work Orders.