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EXHIBIT A1 <br />City of Everett – Replacement of Reservoir 3 <br />Contract Amendment No 1 3 Scope of Services <br />Task 300 – Phase 1 Design Phase Services <br />Task Objective <br />The purpose of this task is to design and prepare contract documents for one 8 MG ground <br />storage reservoir while the existing 20 MG reservoir remains in service throughout the duration <br />of Phase 1 construction. <br />Consultant Services <br />1. Consultant will prepare 60% design contract documents and prepare a Class 3 Opinion <br />of Probable Construction Cost (OPCC) for City’s review based on the updated Final <br />Preliminary Design Report (PDF). The additional design efforts include the following: <br />a) Review and evaluate previously performed hydraulic analysis based on the new <br />single 8 MG ground storage reservoir location. <br />b) Revise previously submitted 30% drawings based on new single 8 MG ground <br />storage reservoir location. <br />c) Evaluate shoring and grading requirements needed to construct and access the <br />foundation of the new single 8 MG ground storage reservoir at the current fire <br />training facility without impacting adjacent utilities such as the Alderwood Water and <br />Wastewater District (AWWD) water transmission mains. <br />d) Soils conditions at the revised reservoir site have different bearing capacities than <br />the previously considered site requiring a more complex mat slab foundation. <br />Consultant services include the design of this foundation. <br />2. Provide an update of the Stormwater TM as part of 30% Design Submittal based on new <br />single 8 MG ground storage reservoir location. <br />3. Provide a draft PFAS Analysis Technical Memorandum (TM) based on the soil samples <br />performed under Subtask 700.5 which consists of the following: <br />a) Prepare site map(s) depicting soil boring locations, <br />b) Compile laboratory analytical results in tabular format, <br />c) Compare soil analytical results to State of Washington regulatory screening criteria, <br />d) Discuss alternatives for contaminated soil management, as applicable. <br />e) Implement design changes to support the preferred alternative of onsite stockpiling <br />and reuse. <br />4. Implement City requested design changes beyond the anticipated scope of the project <br />as follows: <br />a) Combined inlet and outlet flow metering. <br />b) Connection from the Bypass Line to AWWD PS 2 Suction Line. <br />c) Installation of a new AWWD PS 2 service meter. <br />d) Replacement of existing sanitary sewer between under site access off of Evergreen <br />Way. <br />e) Decant storage for stormwater and associated geotechnical support to assess <br />construction adjacent to steep slopes.