Specifications include, but are not limited to: Installing new waterlines at Barton Park. Clackamas County is soliciting quotes from qualified contractors to install and hook up replacement water lines at its Barton Park day use facility. This is Phase 1 of a multiphase project to replace an aging main drinking water line system and install new lines and hooking up to the existing potable water tanks. Clackamas County Parks will consider quotes using 2” clear Wirsbo PEX tubing, Ultra High Molecular Weight Polyethylene (UHMWPE), or comparable NSF 61 rated material appropriate to drinking water systems. Clackamas County Parks will consider proposals using directional boring, pipe-bursting, traditional trenching, or other approaches appropriate to the site and the work to be done.