City of Fargo

Mickelson Field Area FloodRisk Management –

Project 5902

Public Information Meeting

July 12, 2012

Agenda

Past Flood Fight Strategy (i.e. 2009,2010,…)

Assessment of Flood Risk Overview of Project Objectives Recommended Plan Project Schedule / Financing Questions

Mickelson Flood Risk Management

2009 Spring Flood – Mickelson Area

2009 Spring Flood – Mickelson Area

2010 Spring Flood – Mickelson Area

Existing vs. Preliminary FEMA Floodplain

EXISTING – RS 38.3±

PROPOSED – RS 39.5±

Assessment of Flood Risk

River Stage 25.0ft

River Stage 35.0ft

Assessment of Flood Risk

Oak Street Dike – Action Stage RS 30 –

Inundation 34.6

River Stage 37.0ft

Assessment of Flood Risk

Emergency Dike Closure – Action Stage RS 31 –

Inundation 36.0±

River Stage 38.0ft

Assessment of Flood Risk

River Stage 39.0ft

Assessment of Flood Risk

River Stage 40.0ft

Assessment of Flood Risk

FEMA 100-yr Flood Stage 39.5

River Stage 41.0ft

Assessment of Flood Risk

2009 Spring Flood – RS 40.8

River Stage 42.0ft

Assessment of Flood Risk

River Stage 42.5ft

Assessment of Flood Risk

USACE Recent Evaluation – 1% Flood in Fargo is 42.4?

Reduced Reliance on Temporary Flood Protection

– Clay levees, closures, and etc. Existing Storm Sewer Lift Station

Improvement – Reduce Internal Flooding Potential– Redundant Pumping Capacity

Overview of Project Objectives

Construct Earthen Levee (RS 39.5+4.5’)

Abandon Lift Stations 29, 37, and 38 Construct New Combined Lift Station Storm Sewer Outlet Structure Storm Sewer Improvements Dry Stormwater Pond General Landscaping / Grading Impacts to Existing Park Facility – Fargo

Park District Future Modifications

Recommended Plan

Mickelson Flood Risk Management

Mickelson Flood Risk Management

Mickelson Flood Risk Management

FENCED RECYCLE AREA

Mickelson Flood Risk Management

Mickelson Flood Risk Management

NEW LIFT STATION

Mickelson Flood Risk Management

Recommended Plan– Approximately $4.5 M± (Construction)

Preliminary Funding Plan – FEMA – HMGP Funding – Pending (75%)– Local Cost Share – City (25%)

Project Schedule / Financing

Project Schedule / Financing Schedule

– HMGP Grant Submittal Application Submitted (April 2012) Anticipated Decision (March 2013)

– Recommended Project Design– Public Informational Meeting (tonight)

Public Comment Period (Until 7/20)

– Final Plans / Specifications / Cost Estimates (8/10)

– Right-of-way / Park District Approval (TBD – Aug/Sept?)

– Recommendation to City Commission (Spring 2013)

– Permitting/Construction Bidding/Award Contract (TBD)

– Anticipated Construction Begins (TBD – Summer 2013?)

– Anticipated Construction Ends (TBD - Fall 2014?)

Comment Form

Questions / Discussion

www.cityoffargo.com\Engineering

Mickelson Area Flood Risk Management – Project 5949