K-3 - Professional Services Agreement with MSA - Highway 6 Reconstruction

PROJECT DESCRIPTION US Highway 6 (USH 6) Reconstruction project consists of full road reconstruction from 200 ft west of Main Street, west, to the limits of the roundabout at U.S. Highway 6 and North Park Rd (See ATTACHMEN B – CONCEPT PLANS). The project length is approximately 3,800 feet. A description of the project as MSA currently understands is outlined below: 1. Reconstruction of USH 6 (Marengo Rd) from a 2-lane rural cross section to a 3-lane cross section with a shared center left-turn lane. A 5’ sidewalk will be constructed on the south side of USH 6 from the beginning of the project to Kimberlite St. 2. Installation of permanent traffic signals at intersection of USH 6 and Kimberlite St. 3. Right-of-way acquisition is anticipated and will be acquired by the Iowa Department of Transportation (Iowa DOT). 4. Storm sewer design for urban section portions of project. 5. Reinforced concrete box-culvert design. 6. Water main and sanitary sewer replacement/extension is anticipated within project limits. 7. Soil borings with recommendations for pavement type and subsurface improvements will be conducted by project subconsultant. 8. Public involvement meetings will be required to inform stakeholders and general public of project impacts. 9. USH 6 is a part of the Iowa DOT’s primary system, coordination of design elements with Iowa DOT District 6. throughout the project will be required. 10. Project will follow City of Tiffin & Iowa DOT Highway and Bridge design manual, specifications, and standard drawings. 11. Project will be let through the Iowa DOT 12. Construction administration and contract management will be completed by the Iowa DOT.