Contract 202158902 2021 Preventative and Critical Lining

The City and County of Denver awarded a $3.69 million contract for preventive and critical lining of its municipal sewer system using Cured‑In‑Place‑Pipe (CIPP) technology. The work includes extensive trenchless rehabilitation of approximately 92,000 linear feet of deteriorated sewer pipe, bypass pumping, grinding, tap cutting, pipe‑end seal kit installation, traffic control, and laboratory testing. Insituform Technologies, LLC was the sole successful bidder, meeting an 8 % MWBE participation goal. The contract’s performance period is one year (365 days) and the scope covers pipe diameters from 8 inches up to 36 inches, with critical items requiring higher‑risk or expedited execution. • Primary scope: CIPP liner installation for 8″–30″ sewer pipes, including bypass pumping and re‑activation of service. • Critical scope: Additional high‑capacity bypass pumping and larger‑diameter liners (up to 36″) with manhole cone replacement. • Ancillary services: Grinding, extended tap cutting, seal‑kit installs, traffic control, CIPP laboratory testing, and mobilization.