. Sanitary and Storm Sewer (Conveyance) Design AVANT’s engineering staff provides a full range of utility services to assist our clients in evaluating, designing, permitting, building, rehabilitating, and operating their conveyance systems for sanitary wastewater and storm water. Our comprehensive array of sewer-design and related services include the following: Sanitary sewer system design and construction Storm sewer system design and construction Force main and pump station design and construction Combined sewer overflow (CSO) storage Sewer separation design and construction Sewer rehabilitation cost estimation and design Smoke testing, dye tracing, televising and I/I reports Flow monitoring and sampling equipment design and construction IDEM construction permit applications Other Services for Manufacturers Environmental compliance services Water Resource Design and Management Industrial wastewater treatment and pretreatment Engineering and construction services Phase I and II environmental site assessments Environmental monitoring UST investigations, closures, & remediations State voluntary remediation assistance Wetland delineation & hydrology Remediation design & construction Operation & maintenance of soil & ground-water remediation systems Health-based risk assessments Hydrogeologic & contamination investigations Asbestos and lead-paint inspections .

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