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I 2 3 4 5 6 7 8 9 10 I I 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 City Council Regular Meeting Minutes February 26, 2013 Page 2 Mayor Pro Tem Stille opened the public hearing at 7:03 p.m. City Engineer Hubmer explained that the 2013 street and utility improvement project will take place on 36 th Avenue from Roosevelt to Silver Lake Road and on Edward Street from 36th to 35 th Avenues. He stated the sanitary sewer improvements include replacing the existing clay tile along Edward Street and segments of 36th Avenue noting these improvements will help reduce the City 's 1&1. He stated the project will also replace the existing 6" cast iron water main with 8" ductile iron pipe and the concrete streets will be replaced with asphalt. He indicated other improvements include drainage improvements at the intersection of Roosevelt and 36th to deal with water ponding in the intersection and these improvements have been included based on the request of several residents. He stated there are two water quality improvement projects under consideration to meet the requirements of the Rice Creek Watershed District and one of the projects involves improvements at Salo Park adding that City staff will be meeting next week to determine if the maintenance costs associated with the Salo Park improvements are in line with the benefits of the project. He stated the other water quality project is located at the Industrial Custom Products building and involves the installation of an in-line treatment system similar to the system located at Village Pub. He advised that residents will not have access to their homes while utility construction is taking place in front of their driveway and requested that residents inform the City of any special events planned during construction. He also requested that residents inform the contractor of any sprinkler systems or invisible fencing. He stated that temporary water service will be in place during construction and asked residents not to mow or weed whip next to the temporary water service. He advised that the City will replace approximately 15' of driveways and residents can replace the remainder of their driveway at their expense if they choose; bid prices for asphalt are $34 per square yard and $43 per square yard for concrete. He indicated construction is scheduled to begin in April or May with substantial completion in October 2013. He stated the total project cost is $1 ,803 ,196.62 with $1 ,078 ,164.03 for street reconstruction , $160,483.90 for sanitary sewer improvements, $308 ,025.55 for water main improvements, $156,523.14 for storm sewer improvements , and $100,000 for water quality improvements. He stated the amount assessable to residents is $379,200.40 and explained how assessments are calculated for standard and corner lots. He indicated residents can either pay their assessment in full or paid over a fifteen-year period with interest otherwise the amount will go on the property taxes and assessed over fifteen years. Mayor Pro Tem Stille requested further information regarding the costs associated with the water quality improvement options and asked if the costs are comparable. City Engineer Hubmer advised there are advantages and disadvantages to both options and stated the City is considering a system to remove soluble materials from the ponds so that phosphorus is not in the water going into Silver Lake. He indicated this system has chemical costs every year as well as sewage costs. He stated the other system is a mechanical separator that will remove large particles but this system will not eliminate soluble phosphorus nutrients and will need to be cleaned out once or twice per year. He noted there are maintenance costs with both options but it will improve the water quality in Silver Lake. He added the budget will remain the same whichever option the City chooses . Councilmember Roth asked if there would be any benefit to doing both projects.