Segment 10 —- Replace and Widen ADA Ramp Below Library
No TTG final engineering required.
Segment 11 — 58-60 Main Street Boardwalk and Ramp
11.1 Design the final boardwalk bracket connections for the building.
11.2 Design the transition corner from the bracketed boardwalk to the parking lot ramp.
11.3. Design the ramp boardwalk and supporting piles.
11.4 Evaluate riverbank slope protection for erosion and scour.
11.5 Prepare final drawings and specifications for City review and approval.
Segment 12 — Bicentennial Park Renovation
12.1 Coordinate and resolve the interface connection between the park and the 4 Water
Street boardwalk with Halvorson/Tighe & Bond.
12.2 Design the modified retaining wall and other foundation structures for the park —
4 Water Street interface including consideration of the existing underground
utilities.
12.3. Evaluate river erosion and scour potential at the retaining wall interface.
12.4 Prepare final design drawings and specifications.
Segment 13 — 4 Water Street Boardwalk
13.1 Design the boardwalk river piles and building connections.
13.2. Design boardwalk structural details and pile connections.
13.3. Coordinate the final design of the expanded boardwalk with Halvorson/Tighe &
Bond where Renaissance Park and the new floating dock gangway ramp meet.
13.4 Design the details of the expanded boardwalk section.
13.5 Design the new retaining wall and river pile supports for the expanded walkway.
13.6 Design the new floating dock river piles.
Final Engineering Design Proposal 05-11-22
4920
TURNER
GROUP
