city of fargo meadow creek area flood risk management – project 5944 public information meeting
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City of Fargo Meadow Creek Area Flood Risk Management – Project 5944 Public Information Meeting June 21, 2010. Agenda Recent Flood Fight Strategy (2009/2010) 2010/11 Proposed City Flood Risk Management Projects Assessment of Flood Risk Overview of Project Project Schedule / Financing. - PowerPoint PPT PresentationTRANSCRIPT
City of Fargo
Meadow Creek Area FloodRisk Management – Project
5944
Public Information Meeting
June 21, 2010
Agenda Recent Flood Fight Strategy (2009/2010) 2010/11 Proposed City Flood Risk
Management Projects Assessment of Flood Risk Overview of Project Project Schedule / Financing
Meadow Creek Flood Risk Management
Agenda Recent Flood Fight Strategy (2009/2010) 2010/11 Proposed City Flood Risk
Management Projects Assessment of Flood Risk Overview of Project Project Schedule / Financing
Meadow Creek Flood Risk Management
2009 Spring Flood – Meadow Creek Drive
2009 Spring Flood – Meadow Creek Area
2009 Flood Information Probabilistic Stage Predictions as of 3/11/2009 Actual Crest 3/28/2009
Approx.50% Chance
of 36.0-ftand
10% Chance of 38.5-ft
6
Approx.50% Chance of
38-ft10% Chance of
40-ftActual Crest
40.8- ft
2010 Flood Information Probabilistic Stage Predictions as of 3/9/2010 Actual Crest – 3/21/2010
Approx.50% Chance
of 36.0-ftand
10% Chance of 38.5-ft
7
Approx.50% Chance of
38.0-ftand
10% Chance of 42.7-ft
Actual Crest36.99-ft
Current Flood Fight Strategy
Predicted Crest - RS
Top with Freeboard -
RS
Estimated Sandbags Required
35 37 036 38 10037 39 7,60038 40 32,80039 41 79,30040 42 138,30041 43 221,10042 44 314,90043 45 435,100
2009 Flood Fight - Meadow Creek Drive
Sandbagging Effort
Agenda Recent Flood Fight Strategy (2009/2010) 2010/11 Proposed City Flood Risk
Management Projects Assessment of Flood Risk Overview of Project Project Schedule / Financing
Meadow Creek Flood Risk Management
Potential Flood Risk Reduction Projects.• Total Est.
Cost $35 Million
Agenda Recent Flood Fight Strategy (2009/2010) 2010/11 Proposed City Flood Risk
Management Projects Assessment of Flood Risk Overview of Project Project Schedule / Financing
Meadow Creek Flood Risk Management
Assessment of Flood Risk
River Stage 37.0ft
Insert MapSandbag Estimate – 7,600
Assessment of Flood Risk
River Stage 38.0ft
Insert MapSandbag Estimate –
32,800
Assessment of Flood Risk
River Stage 39.0ft
Insert MapSandbag Estimate –
79,300
Assessment of Flood Risk
River Stage 40.0ft
Insert MapSandbag Estimate –
138,300
Assessment of Flood Risk
River Stage 41.0ft
Insert MapSandbag Estimate –
221,100
Assessment of Flood Risk
River Stage 42.0ft
Insert MapSandbag Estimate –
314,900
Assessment of Flood Risk
River Stage 42.5ft
Insert MapFEMA 100-yr Flood Stage 39.5
USACE Recent Evaluation – 1% Flood in Fargo is 42.4?
Sandbag Estimate – 375,000
Agenda Recent Flood Fight Strategy (2009/2010) Assessment of Flood Risk Overview of Project Project Schedule / Financing
Meadow Creek Flood Risk Management
Bike Path (East and
West)
Permanent Storm Water
Pond
Channel Relocation
Low Flow Storm Sewer Extension
Low Flow Storm Sewer Extension and Channel Re-
grade
Completion of Timberline
Levee
Earthen Flood Control Levees to
RS 43+1ft
VISUALIZATION
Modified Long 720.wmv
Agenda Recent Flood Fight Strategy (2009/2010) Assessment of Flood Risk Overview of Project Project Schedule / Financing
Meadow Creek Flood Risk Management
Preliminary Construction Cost Estimate:– Approximately $2.0M
Preliminary Funding Plan – City of Fargo Flood Control Sales Tax– ND State Water Commission (50%)– Potential Special Assessments
Project Schedule / Financing
Conceptual Planning Preliminary Geotechnical Review Preliminary Design City/Park District Meetings Public Informational Meeting(tonight)
Detailed Geotechnical Analysis Hydraulic Analysis / Impacts Final Plans / Specifications / Cost Estimates Permitting Construction Bidding Anticipated Construction Begins (Fall 2010)
Project Schedule / Financing
Comment Form
Questions / Discussion
www.cityoffargo.com\Engineering
Meadow Creek Area Flood Risk Management – Project 5944