M-8 - City Engineer Report

City of Tiffin February 28, 2024 PROJECT UPDATE Reverse Osmosis Water Treatment Plant Design – Clint Wienen The Geotechnical Report is expected to be completed by March 1, 2024. A couple of items worth noting: • The existing fill material that will be underneath the footings of the RO Building will need to be removed and replaced with engineered fill (approximately 7’). • Significant settlement (2-3”) is expected once the new fill is placed (2-3”). However, the settlement is expected to be rapid (2-3 weeks). Drawings from Harn for the RO skids were received on February 23. We are expecting to have 30% design drawings completed by the end of March and will schedule a meeting with City staff members at that time. Trail Connection between Roundabout and Parking Lot – Andrew Inhelder Final punch list walkthrough was performed on February 27th. • MSA is monitoring seed growth, contractor will reseed if needed and erosion control will be removed after seed has established. • Contractor will paint markings as per plan when temperatures allow. • Electrical repair of Bella Salla sign is pending electricians schedule. Pedestrian light (RRFB) on eastern leg of roundabout at Hwy 6 & Park Road.– Andrew Inhelder Iowa DOT has provided comments stating that they would be in support of RRFBs on this side of the roundabout as long as they are MUTCD compliant. MSA has solicited several contractors for pricing on an RRFB and are waiting for responses. PROJECT UPDATE Page 2 of 3