Agenda Packets - 2011/11/14 - Laserfiche WebLink

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Mounds View City Council October 10, 2011 Regular Meeting Page 7 Mayor Flaherty suggested Staff seek out the warranty information on the City Hall roof and the 1 projected life expectancy for the Community Center’s new roof. 2 3 Council Member Stigney expressed concern that the new roof had only a ten year warranty 4 considering this was a high quality roof. 5 6 MOTION/SECOND: Gunn/Hull. To Waive the Reading and Adopt Resolution 7837, 7 Authorizing INSPEC, Inc. to Perform Engineering Design and Prepare Bidding Documents for 8 the 2012 Reroofing of Community Center and Water Treatment Plant No. 1 Project. 9 10 Council Member Mueller commented the City had $265,000 programmed for the roof 11 replacement in 2012. She questioned if the engineering plans would be good in 2013 or 2014 if 12 the necessary funds were not available in 2012. Finance Director Beer stated the 2012 budget 13 was not set and the amount could be increased to $500,000. He stated $1.2 million was available 14 in the Special Projects Fund to cover the additional expense. 15 16 Mayor Flaherty thanked the Council for the detailed discussion on this item. 17 18 Ayes – 5 Nays – 0 Motion carried. 19 20 G. Resolution 7838, Authorizing Barr Engineering Company to Perform a 21 Sediment Survey and Prepare an Evaluation Report for Silver View Pond. 22 23 Public Works Director DeBar commented Silver View Pond was a key pond in the City’s 24 stormwater system. He stated the pond was excavated in 1982 and was 9.3 acres in water surface 25 area. The pond provided stormwater storage for the developments in this area with three bays 26 offering sediment removal. He indicated the pond also provided flood protection. 27 28 Public Works Director DeBar explained the MPCA requires that stormwater ponds be surveyed 29 when a pond is suspected of reaching 50% of its storage capacity. He explained the last study on 30 this pond was completed in 1989. The report came back stating the pond was functioning fine. 31 However, the pond was now closer to 30 years in age and may need to be dredged. Given the age 32 of the pond, Staff recommended Barr Engineering Company perform a sediment survey and 33 prepare an evaluation report for Silver View Pond. This information would provide the City with 34 an assessment of how the pond was functioning. 35 36 Council Member Mueller questioned how much the additional core samples may cost the City. 37 Public Works Director DeBar stated after the sediment survey was completed, the PCA has 38 requirements on how core sample were to be taken. He noted dredging estimates would also be 39 included in the evaluation report. 40 41 Finance Director Beer asked if the City had any other alternatives to dredging the pond. Public 42 Works Director DeBar felt the pond would have to be dredged but snow removal practices and 43 construction silt fences would assist in keeping the pond more clear going into the future. 44