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City of Everett Sever Regulators R4 and R39 MOdificatiOnyi <br /> • An adjustable weir and overflow structure at R4. <br /> • Manhole on the 42-inch influent pipe with conveyance to the R4 structure. <br /> • Manhole on the 48-inch discharge line with conveyance to the R4 structure. <br /> • Manhole on the 30-inch bypass line with conveyance to the R4 structure. <br /> • Conveyance pipe between existing 30-inch inlet pipe and R4 structure. <br /> It is anticipated that the R39 Modifications will include the following components: <br /> • Remove existing manhole top slab and install new precast manhole top slab. Provide <br /> access hatch(es) in the new roof slab based on direction from City staff. <br /> • Install new weir, replace gates and replace grating inside the existing R39 structure. <br /> BHC Services <br /> 1. 60% Design — Prepare construction drawings, specifications (TOC and selected sections <br /> needing review by City) and opinion of probable construction cost. Quality control <br /> review of the 60% drawings, specifications, and opinion of probable cost will be <br /> performed. <br /> 2. 60% Design Workshop- Meet with the City staff to obtain review feedback on the 60% <br /> design documents. <br /> 3. 90% Design - Prepare construction drawings, specifications and opinion of probable <br /> construction cost. Incorporate comments from the City's 60% review. Quality control <br /> review of the 90% drawings, complete specifications, and opinion of probable cost will <br /> be performed. <br /> 4. 90% Design Workshop - Meet with the City staff to obtain review feedback on the 90% <br /> design documents, discuss adjustments to project material quantities, force account <br /> amount, flow bypassing issues, special construction constraints and construction <br /> duration. <br /> 5. Final Design - Prepare Final construction drawings, specifications and opinion of <br /> probable construction cost. Incorporate comments from the City's 90% review. Quality <br /> control review of the Final drawings, specifications, and opinion of probable cost will be <br /> performed. <br /> 6. Designs documents shall also address: location of existing utilities and coordination for <br /> relocation or conflict resolution, water main relocation design, street restoration including <br /> curbs, sidewalk and ADA curb ramps, storm drainage, construction sequence, temporary <br /> erosion control, etc. <br /> City of Everett Responsibilities <br /> 1. Provide timely input on all deliverables and information requests from the Consultant. <br /> Client reviews shall be completed within 2-weeks. <br /> 2. Provide consolidated review comments. <br /> 3. Actively participate in workshops to provide input and design recommendations and <br /> make decisions or furnish direction. <br /> 4. Provide desired input on features for new and upgraded facilities. <br /> Assumptions <br /> 1. Task 5 includes design assistance from Reid Middleton for traffic control and road <br /> restoration drawings. Please see the attached scope of work and budget from Reid <br /> Middleton. <br /> ■ <br /> Scope of Services 6 • <br /> ENSULTAN D0_2 <br />