Tributary 6 Storm Sewer Improvements - Ladue, MO

The City of Ladue is seeking sealed bids for the design‑build installation of a new storm sewer system and associated roadway improvements along Clayton Road. The work includes placing a 48‑inch storm pipe, installing additional 10‑27‑inch storm and sanitary sewers, constructing a precast junction chamber, removing existing sewer lines and steel guardrail, replacing approximately 300 ft of concrete sidewalk and curb (including curb ramps), repairing bituminous pavement, re‑grading and rock‑lining about 140 ft of open channel, and installing new manholes and inlets. The contract also requires compliance with prevailing‑wage rules, OSHA 10‑hour safety training, and DBE participation. • Install ~180 ft of new 48″ diameter storm sewer and ~140 ft of 10‑27″ storm/sanitary sewers. • Remove existing sewer infrastructure and ~137 ft of steel guardrail; replace 300 ft of concrete sidewalk/curb. • Re‑grade and rock‑line 140 ft of open channel; provide new manholes, inlets, and a precast junction chamber. • Must submit sealed bids by 11:00 am on 31 Mar 2026; prevailing‑wage and safety training requirements apply.