This project consists of advancing the Project from engineering work completed in Phase I to final design, permitting, and preparation of bid-ready construction documents in accordance with IDOT and applicable requirements through a CMAQ/TAP-L grant. Phase II will include design of the paved trail, pedestrian bridge, and elevated boardwalks; preparation of cost estimates, and coordination to secure all required permits and approvals. Scope of Services This scope of services is provided as a guide and will be used as a basis to evaluate proposals that are submitted to the District. Consultants may wish to clarify, separate, or subcontract work items to meet their firm’s particular qualifications or expertise. A. Phase II – Engineering: Final Design Task 1. Geotechnical Investigation a. The Consultant shall perform soils investigations as required for final design of the trail, bridge, and boardwalk. b. The Consultant shall provide direction to the boring company. c. The Consultant shall provide the District with two (2) hard copies and one (1) PDF of the geotechnical report Task 2. Hydraulic and Drainage Studies a. The Consultant shall evaluate existing drainage patterns and develop final drainage design for the proposed improvements, including major and minor drainage crossings. b. The Consultant shall perform hydrologic and hydraulic analyses and modeling as required for culvert, bridge, and other waterway crossings consistent with IDOT, IDNR, USACE, and Will County requirements. c. The Consultant shall evaluate floodplain and floodway impacts, including encroachments, compensatory storage needs, and mitigation measures as required. Identify potential comp storage locations where needed. d. The Consultant shall evaluate detention/retention requirements, if applicable, and identify feasible detention/retention locations and concepts. e. The Consultant shall prepare required text, calculations, and exhibits to support permitting and project report documentation, and shall coordinate agency review through approval. Task 3. Permitting and Coordination a. The Consultant shall coordinate with Will County, ComEd, IDOT, Will County Highway Department, IDNR, Will/South Cook SWCD, IEPA, Army Corps of Engineers, local municipalities, and any other local agencies necessary, to comply with any codes and permit requirements. The Consultant shall prepare permit applications and supporting exhibits and coordinate submittals and fees with the District. b. The Consultant shall meet with local City, District, County, and any other regulatory agencies to initiate this project, review progress, and discuss issues through the duration of the contract. The Consultant shall provide meeting minutes for each meeting.
