City Engineer's Report

City of Tiffin January 8, 2026 PROJECT UPDATE MSA is looking for direction on the following: 2. Pursue investigations internally and with IaDOT and suitability for HAWK Signal at Stephens St. SYSTEMWIDE SANITARY SEWER MODEL – ERIC THOMPSON An MSA surveying team was onsite in early December to survey locations within the sanitary system that had questionable inverts and/or bidirectional flow. The recorded changes were integrated back into the PCSWMM model and documented so that the GIS dataset can also be corrected with the new survey information (not yet completed). The Park Rd and DOT lift stations were also updated based on plans and best available information. Dry weather flow calibration has been completed, and wet weather calibration is underway. Due to the weather patterns this summer, the final deliverable will be slightly delayed and is planned to be provided in early February. NORTH PARK ROAD IMPROVEMENTS – JAMES WATTERS MSA staff continues to monitor the site. Traffic and erosions control measures remain functioning and in compliance. No new work has been performed on-site. Design work is currently being done on the adjustments required to accommodate the Homemakers site on the northeast corner of the project. One entrance on the north side of the project will be moved south, an additional entrance will be designed across from Mopar Drive, and several storm sewer changes will be required. Time for this work is being tracked as a separate item, and all quantity changes will be managed with change orders subject to City approval. Payment Applications will be submitted each month throughout the winter when/if work has been done. If no work is done, the City will be informed that no Payment Application is required. VILLAGE DRIVE & ROBERTS FERRY ROAD SIGNAL DESIGN – CHAD WAGNER MSA has completed a supplementary analysis report evaluating how future development could impact the intersections. The draft plans and both operational analysis reports have been sent to Iowa DOT to notify them of the City’s plans. The team is now proceeding with the final design. PROJECT UPDATE Page 2 of 5