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Stepping Stones to Year-Round Bicycling and Walking: Tackling Winter Maintenance-Steve Sanders
- 1. •Minneapolis Campus 360 acres •St. Paul campus 540 acres •265 buildings •46 miles of sidewalk and plaza •16 miles of streets •Stairs, many stairs University of Minnesota Winter Maintenance
- 2. University of Minnesota Winter Maintenance Seasonal snowfall avg. - 54 inches 2013/2014 – 70 inches At least 1 inch of snow on ground from 12/4/13 – 4/4/14
- 3. University of Minnesota Winter Maintenance 53 days below zero Coldest day -23F
- 4. University of Minnesota Winter Maintenance
- 5. University of Minnesota Winter Maintenance •Trace of snow – sidewalks mechanically broomed & stairs swept/shoveled •1” of snow – tops of parking ramps plowed •2” of snow – parking lots plowed •3” of snow – streets plowed Snow Removal Guidelines
- 6. University of Minnesota Winter Maintenance Snow Removal Personnel •25 FT Landcare employees •50 student employees •50 custodial staff •30 snow-removal vendor staff •10 Parking staff
- 7. University of Minnesota Winter Maintenance Snow Removal Equipment •6 skid steers •2 Toolcats •6 Polar Cats •2 Walk-behind Contractor Mechanical Brooms •30 – 35 pickups with plows Blade-equipped Shovels, lots and lots of shovels •Front-end loaders, dump trucks, road graders
- 8. University of Minnesota Winter Maintenance What happens when this happens?
- 9. University of Minnesota Winter Maintenance •If snow is forecast and temperature is in the range of 15F to 32F, streets and sidewalks pre-treated with 23% salt brine solution •Pre-treatment helps prevent snow/ice from bonding to pavement •If temperatures below 15F, calcium chloride w/beet solution used. Beet solution reduces corrosiveness •Solutions spread using vehicles with 2,500 gallon tanks
- 10. University of Minnesota Winter Maintenance
- 11. University of Minnesota Winter Maintenance Excessive use of snow-melt chemicals
- 12. University of Minnesota Winter Maintenance All hands on deck at 3:00 a.m. for forecast snow of 3 + inches
- 13. University of Minnesota Winter Maintenance
- 14. University of Minnesota Winter Maintenance
- 15. University of Minnesota Winter Maintenance
- 16. University of Minnesota Winter Maintenance Where does all the snow go?
- 17. University of Minnesota Winter Maintenance As a practical matter, what does it all mean?
- 18. University of Minnesota Winter Maintenance •University estimates 80,000 visitors a day – 3rd largest trip generator in state •Even in the depths of winter 1,000 + bikes a day on campus •Tunnel and skyway system takes many people indoors, but usually results in longer trip time
- 19. University of Minnesota Winter Maintenance 0 100 200 300 400 500 600 700 800 900 1000 September 2013 October 2013 November 2013 December 2013 January 2014 February 2014 909 766 573 191 115 146 Z A P S
- 20. University of Minnesota Winter Maintenance Steve Sanders - Alternative Transportation Manager http://www1.umn.edu/pts/bike/bikeRFID.html sande017@umn.edu – 612-625-1333