Central City Storm Tunnel Robin Hutcheson Director, Public Works - PowerPoint PPT Presentation

CITY OF MINNEAPOLIS Central City Storm Tunnel Robin Hutcheson Director, Public Works June 5, 2019 1

Minneapolis Storm Tunnel Locations 2

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Buildings Served by Central City Tunnel Xcel Energy Hennepin County Government Center Minneapolis Central Library Minnesota Orchestra Hall Target Corporate Headquarters U.S. Courthouse, Minneapolis US Bancorp Center Building Foshay Tower Marquette Plaza IDS Center Valspar Corporate Campus WCCO – CBS Capella Tower Oracle Wells Fargo Center Marriot City Center US Bank Plaza Orpheum Theater RBS Plaza Ameriprise Financial Corporate Headquarters Cowles Center for Dance and the Performing Arts

Minneapolis Stormwater System 5

Aging Infrastructure Challenge Minnesota Historical Society 6/15/1883 6

Pressurized Tunnels 7

Pressurized Tunnels 8

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Pressurized Tunnels • Majority of tunnels operate in a pressurized state.

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Tunnel Rehab 12

Central City Project • Prioritized in 2015 comprehensive assessment • Rehab/rebuild 3.9 miles of downstream tunnel 13

Central City Project • Design and construction 2019 – 2023 • Estimated price $38 million • Proposed stormwater utility rate increases Land Use Property Example 2017 2023 Residential Single family $12.36 $14.79 Church Bethlehem Lutheran $571.90 $680.34 Hospital Abbott Northwestern $3,171.21 $3,801.03 Industrial/Commercial United Parcel Service $5,817.23 $6,966.09 Retail Calhoun Square $1,854.65 $2,218.50 Apartment 2514 Park Ave $298.86 $354.96 14

Questi tions? s? 15