K-4 - Professional Services Agreement - Highway 6 Reconstruction - MSA

• Prepare a utility information letter to be distributed to utility owners within the corridor notifying them of the project scope, timeline, and requesting verification of their utilities with respect to location, size, type, and depth of burry. U03 – 1st Plan Submittal to Utilities • Note utility locations (as provided by utility companies and/or one-call locate) on the project plans. • Provide utility companies with preliminary and final plans for the project. • Prepare utility design meeting invite letters to utility owners. • Conduct one (1) utility coordination meeting as described under Meetings below. U10 – Utility Clearance • Prepare final plans and submit to utilities for final review. • Review and approval of utility work plans for relocations if necessary. Assumptions/Exclusion • One Utility coordination meeting is assumed for the project. PHASE 400: ENVIRONMENT, AGENCY COORDINATION, PERMITTING • Floodplain Investigation: Assess site for presence of floodplain and floodway and coordinate with City of Tiffin and Johnson County Zoning Department. • Agency Coordination: o Coordinate with IaDOT via emails, phone calls, and exhibits to assess environmental impacts and complete applicable environmental document. ▪ This project is assumed to be categorized as a Categorical Exclusion. o Coordinate with Iowa DNR on necessary permitting. • Permits: Prepare permit application and required attachments for: o Water Supply Permit with Iowa DNR for watermain extension. o Section 404 Nationwide general permit with Army Corp of Engineers for impacts to wetlands. o NPDES General Permit No. 2 for impacts greater than 1.0 acres. Assumptions/Exclusions The following event codes are to be completed by the IaDOT. Services related to completion of these event codes are not included as part of this contract. TE0 – Threatened & Endangered Species Desktop Review • Threatened and Endangered Species: Review T&ES through the US Fish and Wildlife IPaC website and coordination with the Iowa DNR. • Provide special provision language for inclusion in project specifications for environmental commitments relating to Federal or State listed threatened/endangered species found in project area. H00 – Cultural Resources Assessment • Cultural Resources Evaluation (CRE): Complete Cultural Resources Evaluation (CRE) and any required Phase I Archaeological Field Investigations. H06 – State Historic Preservation Office (SHPO)