Grand Rapids Wastewater Treatment Plant Upgrade and Expansion Need for Upgrades and Expansion Faced with aging infrastructure, the potential expansion of a significant industrial user, and the desire to consolidate treatment facilities from two different sites to a single existing site, the Grand Rapids Public Utilities Commission (GRPUC) retained AE2S to plan, design, and administer construction of a WWTP upgrade and expansion project. The overall master plan divided the project into four phases. The first phase of the project is currently under construction at a total project cost of approximately $30 million. Phase I of the project included replacement of existing facilities that have reached the end of their useful life, including moving the existing primary facilities from the existi

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