This project will employ Cured-in-place pipe (CIPP) fiberglass lining installation with ultraviolet light [Felt lining installation with steam or water (thermal cured) will not be allowed in this Contract. All references associated with thermal curing in this Contract are considered not to be applicable.] to rehabilitate approximately 30,000 lineal feet of existing sanitary sewer, combined sewer and storm pipes at various locations in Seattle. The mainline pipes being rehabilitated are 6 inches to 24 inches in diameter. This Project consists of the following elements of work (but not limited to): traffic control, bypass pumping, cleaning and pre-construction closed circuit television (CCTV) video inspection of sewer pipe, removal of debris, removal of intruding lateral piping and other obstructions, installing pre-liners, installing and molding cured-in-place pipe (CIPP) liners to host pipes, reinstatement of laterals, and post-construction CCTV inspection.
