Committee approves contract amendment for Washington and Calumet sanitary sewer plan verification
Council approved an amendment to the Heirs contract to perform additional surveying and elevation checks for sanitary sewer plans on Washington and Calumet streets to avoid costly rework; staff noted the work is an insurance policy for accurate grades.
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Engineering staff told the committee that inconsistencies between GIS data and other records required additional field surveying and elevation verification for the Washington and Calumet sanitary sewer profiles. Heirs proposed extra work to confirm grades and laterals to avoid potential six‑figure rework costs if issues are discovered during construction.
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