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HomeMy WebLinkAbout190813_Flood Risk Reduction at 4801 East SunnyslopeExperience is what you get when you didn’t get what you wanted. And experience is often the most valuable thing you have to offer. -Randy Pausch Reducing Flood Risk 4801 East Sunnyslope Road Edina, MN R. Lehmann Flood Risk Reduction Strategy Taskforce 8/6/2019 Risk Assets 3 The Risk Triangle •Health •Financial •Quality of life 4 Goal: Reduce Risk to Protect Assets Use tactics to reduce weaknesses Use strategies to reduce threats Risk Assets W T TacticsWeaknesses Threats StrategiesHomeowner CityWTTS 5 Passive drain tile system Yard grade Water on patio Standing water in side yard Sandbag time suck Loss of electrical power at outlet Our travel Install active drain tile system with emergency backup pump and battery pack Increase yard slope to creek Slope patio floor away from house; make gap between stone pavers permeable Plant grove of birch to promote filtration in side yard Add retaining wall and drain tile system at patio Buy generator; rewire electrical panel to support generator Develop on-call plan for when we’re away Climate change –increased snowmelt and rainfall (intensity and duration) Land use change –in city and upstream Increased runoff flow to creek from new storm water management in city and upstream Loss of control at Grays Bay Dam Ageing sanitary system Electrical outage Study weather patterns and respond to forecasts Manage new construction by enforcing current -and considering new -restrictions Monitor and mitigate over-burdening creek by partnering with MCWD and others upstream Protect sanitary system by maintaining and upgrading Develop “first-on” electricity policy to protect homes at risk -Passive drain tile system-Yard grade-Water on patio-Standing water in side yard-Sandbag time suck-Loss of electrical power-Our travel Weaknesses 6 Risk Assets W Install active drain tile system Increase yard’s slope to creek Slope patio away from house; make gap between pavers permeable Plant grove of birch Add retaining wall and drain tile system at patio Buy generator; rewire electrical panel to support generator Develop on-call plan for when we’re away Tactics for Reducing Weaknesses 7 Risk Assets W 88 Threats -Climate change-Land use change-Increased runoff flow to creek from storm water management changes -Loss of control at Grays Bay Dam-Aging sanitary system-Electrical outage Risk Assets T 99 Reducing Threats Study weather patterns and respond to forecasts-Manage new construction by enforcing current and considering new restrictions-Monitor and mitigate over-burdening creek by partnering with MCWD and others upstream-Protect sanitary system by maintaining and upgrading-Develop “first-on” electricity policy to protect homes at risk Risk Assets 10 Goal: Progress To Date -4801 East Sunnyslope Seven tactics employed to reduce weaknesses One strategy employed to reduce threats Risk Assets