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<br /> <br /> <br />INTER-OFFICE MEMORANDUM <br /> <br /> DEPARTMENT OF PUBLIC WORKS <br /> DIVISION OF ENVIRONMENTAL SERVICES <br /> <br /> <br />TO: Members of the Board of Public Works <br />Michael Schmidt, Assistant City Attorney Public Works <br />Theresa Heffner, Clerk of the Board of Public Works <br />FROM: Jacob M. Klosinski, P.E., Assistant City Engineer <br />SUBJECT: Title Sheet and Request to Advertise <br />Wastewater Treatment Plant WAS Thickening Improvements <br />Project No. 123-031B / DFO PROJ00000435 <br />DATE: February 27, 2025 <br /> <br />The Department of Public Works, Division of Engineering and Division of Water Works request <br />the Board of Public Works approval of the Title Sheet and Requests to Advertise for Project No. <br />123-031B Wastewater Treatment Plant WAS Thickening Improvements. at the Board of Public <br />Works Regular Meeting on March 11, 2025. <br /> <br />Project 123-031B is the second phase of the subject project and the scope of work is focused <br />on interior building and process equipment replacements at Building #6 at the Wastewater <br />Treatment Plant. The three (3) existing Dissolved Air Floatation (DAF) Units will be replaced <br />with two (2) Gravity Belt Thickeners (one duty and one standby). In addition, SCADA <br />instrumentation, process pipe improvements, electrical modifications, and a new polymer feed <br />system will be installed to complete the new system installation. Many different forms of waste <br />activated sludge thickening technologies were evaluated during design, and the choice do <br />change from Dissolved Air Floatation Units to Gravity Belt Thickeners was driven by both cost <br />and operation and maintenance considerations. <br /> <br />Equipment for this project will have a long lead time and actual construction activities are <br />expected to begin in Q3/Q4-2025 with completion in Q2-2026. <br /> <br />Tentative Bidding Schedule: <br /> March 14, 2025 First Advertisement <br /> March 21, 2025 Second Advertisement <br /> March 27, 2025 Pre-Bid Meeting, at 10:00 AM at Wastewater Treatment Plant Conf. <br />Room <br /> April 22, 2025 Bid Opening <br /> May 13 or May 27, 2025 Project Award <br /> <br />Notice to Bidders will be provided to the Board Clerk in MS Word format once virtual meeting <br />links are updated in the Notice to Bidders documents. <br /> <br />For questions regarding the subject Agenda Request or project scope of work, contact <br />Jacob M. Klosinski (Ext. 9496) at the Division of Engineering.