K-5 - Professional Services Predesign Agreement with DOT - Highway 6 Improvements

January 2023 a. Grant Street: South side of U.S. 6, reconstructed with PCC pavement with curb and gutter b. Main Street: South side of U.S. 6, reconstructed with PCC pavement with curb and gutter c. Summerhays Street: South side of U.S. 6, reconstructed with PCC pavement with curb and gutter d. South Brown Street: South side of U.S. 6, reconstructed with PCC pavement with curb and gutter e. Stephans Street: Both sides U.S. 6, reconstructed with PCC pavement with curb and gutter f. Croell Avenue: Both sides of U.S. 6, reconstructed with PCC pavement with curb and gutter g. Kimberlite Street: Both sides of U.S. 6, reconstructed with PCC pavement with curb and gutter, including left and right turn-lanes c. The LPA shall be responsible for 100% of the costs for the following improvements: (1) Storm sewers, estimated cost $946,633 (2) Traffic signals at the intersection of U.S. 6 and Kimberlite Street, estimated cost $327,608 (3) Sidewalks, estimated cost $305,819 (4) Extending one existing culvert, estimated cost $147,916 (5) Water main and all associated appurtenances, estimated cost $330,480 d. The LPA shall be responsible for 50% of the costs for the following improvements: (1) Mobilization, Temporary Traffic Control, and Erosion Control, estimated cost $282,683 e. The LPA shall be responsible for 48% of the costs for the following improvements: (1) Miscellaneous and Contingency, estimated cost $627,000 f. The DOT shall bear all costs except those allocated to the LPA under other terms of this Agreement. 3. Project Design a. The LPA or its consultant shall be responsible for the design of all proposed improvements. b. The project plans, specifications and engineer's cost estimate shall be prepared and certified by a Professional Engineer licensed to practice in the State of Iowa. c. All proposed highway or street improvements shall be designed using the American Association of State Highway and Transportation Officials (AASHTO) "Policy on Geometric Design of Highways and Streets" (latest edition), or other equivalent generally recognized engineering or safety standard, criteria, or design theory. d. The project design shall comply with the "Manual on Uniform Traffic Control Devices for Streets and Highways", by the Federal Highway Administration, as adopted by DOT per 761 Iowa Administrative Code, Chapter 130. 4. Environmental, Right of Way, Permits and Other Requirements a. Subject to the provisions herein, the LPA, in accordance with 761 Iowa Administrative Code Chapter 150, Rules 150.3(1)(c) and 150.4(2), shall remove or cause to be removed (within the corporate 2025-P-001_Tiffin 2