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<br />11241 Willows Road NE, Suite 200 | Redmond, WA 98052 | Phone 425.822.4446 | otak.com <br />s:\1common\utility projects\up 3814 water main replacement y\100 project management\110 consulting <br />contracts\prelschmilestones_032023.docx <br />Memorandum <br />To: Amie Roshak, PE, Senior Engineer <br />From: Mark Cole, PE, Project Manager <br />Project No.: Otak 21001A <br />Date: February 20, 2023 <br />Subject: Preliminary Milestone Schedule <br />Water Main Replacement “Y” Improvements, UP #3814 <br /> <br /> COMPLETED <br /> <br />Notice to Proceed ....................................................................................................... April 19, 2023 <br /> <br />1. Site Investigation and Data Collection (April – July) <br /> Kick-off Meeting .............................................................................................. April 24, 2023 <br /> Review existing available project data (1-Week) ............................................ April 28, 2023 <br /> Research/obtain existing utility records (3-Weeks) ........................................... May 5, 2023 <br /> Perform surveying & mapping (7-Weeks) ...................................................... June 16, 2023 <br /> Perform geotechnical engineering/investigation (7-Weeks) ............................ July 21, 2023 <br /> <br />2. Preliminary Design (30%) (June - August) <br /> Evaluate replacement options and utility/design considerations (5-Weeks). . June 30, 2023 <br /> Preliminary review/discussion w/city staff (1-Week) .......................................... July 9, 2023 <br /> Prepare design drawings and technical memorandum (3-Weeks). ................ July 28, 2023 <br /> City review and comment on design documents (2-Weeks) ....................... August 11, 2023 <br /> <br />3. Final Design and Construction Document Preparation (September – January(’24)) <br />60% Design and construction documents <br /> Design/preparation of construction documents (6-Weeks) ..................... Sept. 29, 2023 <br /> City document review and comment (2-Weeks) ....................................... Oct. 13, 2023 <br /> Obtain project permits and agency approvals (4-Weeks) .......................... Nov. 9, 2023 <br />90% Design and construction documents <br /> Design/preparation of construction documents (7-Weeks) ...................... Nov. 20, 2023 <br /> City document review and comment (3-Weeks) ....................................... Dec. 12, 2023 <br />100% Design and construction documents <br /> Design/preparation of construction documents (3-Weeks) ........................ Jan. 9, 2024 <br /> City document review and comment (1-Week) ........................................ Jan. 17, 2024 <br /> <br />4. Construction Bid Solicitation and Contract Award (Feb. 2024 – April 2024) <br /> Assemble final PS&E and city authorization to bid (3-Weeks) ....................... Feb. 15, 2024 <br /> Project-Ad and Bid Opening (4-Weeks) ....................................................... March 12, 2024 <br /> Bid evaluation and award construction contract (4-Weeks) .............................. April 5, 2024 <br /> <br />5. Project Construction (May 2024 – October 2024) <br /> NTP and construction start ............................................................................... May 1, 2024