From Trailer to Tap

Trailer to Tap: Maintaining a City’s Water Supply While Replacing it’s 100-Year-Old-WTP Danielle Philbrick, Stantec Presenting at March 5, 2024 at 4:45 Meet the Team City of Lewiston and Owner’s Advisor, Brown and Caldwell Progressive Design-Build Project with IMCO Construction Partnered with Pall Corporation and Control Systems Technology (CST) Alternatives Considered Alternative 3: Alternative 1: New Plant Interior Site Along Retrofit Raw Water Pipeline Alignment Alternative 4: New Plant at Alternative 2: Existing Exterior Sludge Retrofit Lagoon Site New Plant on Existing Plant Footprint Benefits Risks / Fatal Flaws Meet City’s Budget of $27. City groundwater is inadequate million DEQ does not approve the New Plant on City-Owned mobile treatment trailers Property Clearwell disinfection in Future Expansion integrated inadequate within new building Geotechnical Issues Control integration with the entire Trailer Delays water system Supply water to City throughout construction Ease of construction with an unobstructed site IDEQ Coordination DEQ Requirements are the same for a “temporary” facility and a “permanent” facility Preliminary Engineering Report, plans, and specifications Conditional approval of PER Corrosion control plan Tracer study Start-up disposal water Continued coordination throughout temporary operation Contact: Danielle Philbrick Danielle.Philbrick@stantec.com Q U E S T I O N S ?