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Task 2 – Final Design Phase <br />Subtask 2.1 – 60% Design <br />Design documents will be advanced to 60% design for process mechanical and site/civil <br />design, incorporating Owner and IDEM comments. The use of Revit 2025 for 3D modeling of <br />tanks and buildings is planned. Updated design calculations and coordination with <br />vendors for equipment and instrumentation will occur. <br />·Process Mechanical: Progress on the preliminary detailed design documents, work <br />includes building, access road, and utility layouts in coordination with other <br />disciplines; hydraulic profiles; process flow diagrams; and updated vendor <br />proposals based on design refinements. Prepare layouts, plans, sections, and <br />details for major process structures and equipment, including diversion structure, <br />screens, washer-compactors, storage tanks, disinfection and flushing systems, <br />electrical/control building, chemical storage building, and junction chambers. <br />Define chemical building layout, chemical selection, delivery options, and storage <br />requirements. Provide plans and sections for plant piping, valves, and <br />appurtenances, update the Basis of Design Report (60%), and develop technical <br />specifications. <br />·Site/Civil Design: Prepare site layout grading and yard piping plans depicting <br />influent, e.luent, air, gas, water, power, and control conduits; storm sewer and <br />stormwater management plans; typical roadway sections and general details; <br />temporary and permanent erosion control plans; and a Stormwater Pollution <br />Prevention Plan. Technical specifications will be included for all civil components. <br />Deliverables that will be included on this subtask: <br />·Wastewater process design with layouts, hydraulic profiles, process flow diagrams, <br />updated vendor proposals, and technical specifications. <br />·Site/civil design with site grading, yard piping, storm sewer design, erosion control, <br />and Stormwater Pollution Prevention Plan. <br />·Updates from the Hydraulic design and CFD to be implemented in the process <br />mechanical design. <br />·Deliverable 60% process mechanical design and site/civil design drawings, and <br />selected specifications. A total of 91 60% design drawings is anticipated for this <br />amendment.