Specifications include, but are not limited to:. The Invitation for Bids contemplates the potential award of a three (3) year contract for sewer rehabilitation of “known and unknown” eight (8)-inch to thirty (30)-inch diameter mainline gravity sewers and six (6)-inch service chimneys and laterals using various rehabilitation methods, including but not limited to full length cured-in-place liners, pipe joint and service lateral test and seal methods, excavated point repairs and sewer replacement, and cured-in-place liner point repairs; and the rehabilitation of “known and unknown” sewer manholes using various rehabilitation methods, including but not limited to chemical grout sealing of active leaks, repairs of precast concrete and brick manhole structures, manhole lining, frame and cover repairs/replacement, and inflow frame inserts. The project also includes sewer main CCTV inspection and cleaning in all sewers to be rehabilitated and where directed by the Owner.