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9.d) 2016-2-16 Engineering Updates�N 8, 1 , 1 h m i n n_ s, t a City ofScandia Engineering Updates 2/16/2016 Engineering • 2016 Street Improvements (236t" Street N, Novak Ave N, 237t" Street N, Oldfield Ave N) 1. Bid Opening is scheduled for February 24, 2016, at 10:00am, City Hall 2. Potential Bid Award, March 15, 2016 City Council Meeting Watershed District Projects: 1. 197t" Street Ravine Stabilization Project — Remaining work will be completed in the spring/summer. 2. Sand Lake Iron Enhanced Sand Filter Project —All work that can be completed at this time has been completed. Remaining work will resume in the spring and anticipated to be completed by June. The Watershed representatives have engaged in close coordination with property owners and they have received positive feedback and support of the improvement. January 20t" I attended a mid -project update from the USGS Research. The first statement from most of the speakers was, "no results are being discussed today because the work is still ongoing. Below are the highlights of the presentation; 1. In 2016, projects either are underway or have initiatives: 1. USGS research on groundwater/surface water 2. White Bear Lake Augmentation Concept Cost Report (DNR) 3. Washington County Municipal Water Coalition Report 4. White Bear Lake settlement milestones (DNR, Cities) 5. NE Metro Groundwater Management Area Plan Implementation (DNR) 6. Local Water Supply Plans due for NE communities (DNR, Met Council) USGS hoping to obtain a better understanding on the following 1. Why do Lake levels fluctuation between lakes 2. Better understanding of groundwater/surface water interaction in deeper parts of lakes USGS Provided Overview of Work Being Completed on White Bear Lake and area Lakes. Closest lake to City was Big Marine. 1. Water borne geophysics (determines sediments on bottom of lakes) 2. Lake - sediment coring (determine thickness and permeability of organic lake sediments) 3. Piezometer (gives lake elevations overtime) 4. Seepage Meters (obtains flow readings) 5. Still developing and calibrating the Groundwater -Flow Model 4. USGS Schedule 1. Finalize Report, May 2016 — October 2016 2. Release Final Report —October 2016 • Washington County has notified the City they will be doing a Pavement Preservation Project on County Road 52 between Hwy 97 and Hwy 95 in 2017. This project is intended to extend the life of existing pavement.