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<br />City of Everett <br />3rd Ave SE Water Quality Treatment Page 2 of 3 <br /> <br />No remaining services for this task. <br /> <br />Task 3 – Preliminary Design and Data Collection <br /> <br />No remaining services for this task. <br /> <br />Task 4 – Design Plans and Specifications <br /> <br />The Consultant will develop the selected water quality treatment construction documents consisting of <br />Plan, Specification and Cost Estimate (PSE) through Final (Bid Ready) stages, including Design Report <br />submittals to Ecology. Constructability and Quality Management review will be completed at each stage <br />prior to submittal. <br />Additional Design Services: <br />• Custom water quality treatment system design to account for site complexities and shallow <br />conveyance system including walls, pretreatment hydraulics and water quality facility <br />conveyance details. <br />o The original contract listed “the water quality treatment will be provided at a single end <br />of pipe solution based on standard propriety systems. A custom treatment facility will not <br />be required.” <br />• Water quality and pretreatment details added to the plans set for unique design elements. <br />o The original contract listed “standard details will be included as an appendix to the <br />specifications.” <br />• Utility pothole coordination and contracting with vendor. <br />o Original contract listed “utility potholed to be provided by the City crews.” <br />• Additional utility owner coordination including evaluation of relocation options with Snohomish <br />County Public Utility District (SnoPUD) for buried electrical conduits with site visit to review <br />setback distances <br />o Original contract included limited utility owner coordination. <br />• Specifications added to include relocation of water line and hydrant crosses as part of <br />construction improvements <br />o Original contract listed “utility relocation design will be completed by the utility <br />owners.” <br />• Contract special provision updates after 90% submittal per City’s new template files provide in <br />6/2024. <br />o Original contract listed edits to the City’s Special Provisions will be based on WSDOT <br />Standard Specifications, 2021 Edition. <br />• Design of grading details for three ADA ramps due to drainage improvements impacts require <br />two additional detail sheets <br />o Pedestrian improvements were excluded from original contract with total sheets <br />estimated at up to 8 sheets <br />• Design revision after 90% submittal for one additional ADA sidewalk and ramp layouts, profile <br />revisions for AWWD 30-in water main conflicts, system hydraulic updates, and revised Ecology <br />Report