Item 19 - Agreements for On-Call Engineering Services

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PROPOSAL rOR On -Call Engineering Design Services permitting. All submittals described herein will be provided in the form of a PDF digital copy (full-size). We have included the proposed sheet counts for the 10%, 30%, 60%, 90% and 100% design. The design phases will include the following items: A. ❑raft. Design Report (10% Design Submittal) Tetra Tech will create a Preliminary Design Report (PDR) based on the Planning Study for each treatment site requested by the City. The PDR will be considered a 10% design level package for the project in which the IX wellhead treatment project goals and design criteria are addressed with alternatives, analysis, and potential risks. The following design drawings will be provided: • General (3 Sheets) • Civil (3 Sheets) ■ Structural (2 Sheet) ■ MechanicallProcess (4 Sheets) • Electrical (3 Sheets) • instrumentation (4 Sheets) B. Final Design Report (30% Design Submittal) After the City defines the major design elements of the project and refines the project's scope, schedule and budget expressed in the PDR, we will develop the Final Design Report. The Final Design Report will be considered a 30% design level package for the project which provides a refined project budget, cost estimate and project schedule that the City can commit to. Land acquisitions, fatal flaws, and the finalized design criteria will be incorporated into the Final Design Report. The following design drawings will be provided: • General (3 Sheets) ■ Civil (3 Sheets) • Structural (2 Sheets) ■ Mechanical/Process (4 Sheets) ■ Electrical (3 Sheets) ■ Instrumentation (4 Sheets) C. 60% Design Submittal After receiving and incorporating comments provided by the City on the 30%n Design Submittal, the Tetra Tech will provide an updated 60% Design Submittal in which expectations and objections are finalized of the project as well as confirmation of constructability and permit requirements. Tetra Tech will also provide plans and specifications as well as an engineering cost estimate. Our team will also implement acceptable value engineering requirements (If applicable) and identify preferred PFAS Treatment Systems equipment and materials. The following design drawings will be provided: • General (4 Sheets) • Civil (8 Sheets) • Structural (4 Sheets) • Mechanical/Process (8 Sheets) • Electrical (6 Sheets) • Instrumentation (6 Sheets) D. 90% Design Submittal Tetra Tech will provide 90% Design Plans with the complete project design, including plans and specifications, subject to review comments by the City and any other potential stakeholders. The 90% Design Package will confirm the bid availability of the project, possess an engineer's cost estimate for the bid, and finalize the building permit package (when applicable). Tetra Tech will also provide a Commissioning Plan in the 90% Design Submittal in which the goals, systems, and commissioning processes are identified. The following design drawings will be provided: ■ General (6 Sheets) + Civil (11 Sheets) ■ Structural (7 Sheets) • Mechanical/Process (13 Sheets) • Electrical (9 Sheets) ■ Instrumentation (6 Sheets) ■ Traffic Control (3 Sheets) E. Final Design (100% Design Submittal) In the final design submittal, Tetra Tech will incorporate all comments and requests made by the City in previous design submittals. The following design drawings will be provided: ■ General (6 Sheets) ■ Civil (11 Sheets) ■ Structural (7 Sheets) ■ MechanicallProcess (13 Sheets) ■ Electrical (9 Sheets) ■ Instrumentation (6 Sheets) • Traffic Control (3 Sheets) In addition, the following items will be provided with the final design, as requested in the City's RFP: • Cost Estimate, Specifications and Project Schedule • Structural System ■ Civil Site Plan System • Mechanical System ■ Electrical System • Instrumentation and Control System TETRA TECH Page 118