westchester county presentation at 2013 long island sound citizens summit

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22 nd Annual Long Island Sound Citizens Summit Experiences From Super Storm Sandy at Yonkers Joint WWTP G. Michael Coley, P.E., Deputy Commissioner Westchester County Department of Environmental Facilities Iona College April 26, 2013 April 26, 2013

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Page 1: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

22nd AnnualLong Island Sound Citizens Summit

Experiences From Super Storm Sandy p p yat Yonkers Joint WWTP

G. Michael Coley, P.E., Deputy CommissionerWestchester County

Department of Environmental Facilities

Iona College April 26, 2013April 26, 2013

Page 2: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

13 Sewer Di t i tDistricts

7 WWTP’s

43 Pumping43 Pumping Stations

Page 3: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

Start of Super Storm SandyStart of Super Storm Sandy

Page 4: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

Flooding Through Storm DrainsFlooding Through Storm Drains

Page 5: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

Flood Reaching Entrance to Administration BuildingFlood Reaching Entrance to Administration Building

Page 6: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

Primary Tunnel FloodingPrimary Tunnel Flooding

Page 7: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

Administration Lobby FloodingAdministration Lobby Flooding

Page 8: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

Water Entering Administration BasementWater Entering Administration Basement

Page 9: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

Administration Basement FloodedAdministration Basement Flooded

Page 10: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

Polymer SpillPolymer Spill

Page 11: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

Concrete Block Wall FailureConcrete Block Wall Failure

Page 12: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

Damage EvaluationDamage Evaluation

Page 13: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

Screen and Grit Building AftermathScreen and Grit Building Aftermath

Page 14: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

Secondary Control RoomSecondary Control Room

Page 15: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

Entry to Secondary Digester BasementEntry to Secondary Digester Basement

Page 16: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

Secondary Digester BasementSecondary Digester Basement

Page 17: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

Cleanup OngoingCleanup Ongoing

Page 18: Westchester County Presentation at 2013 Long Island Sound Citizens Summit

Mamaroneck WWTPMamaroneck WWTP