City Council

SPECIAL CITY COUNCIL MEETING AGENDA November 15, 2022 – 5:30 PM City Council Chambers 400 East Military, Fremont NE SPECIAL CITY COUNCIL MEETING AGENDA 5:30 PM MEETING CALLED TO ORDER ROLL CALL 1. Presentation and discussion regarding Dodge County – Elkhorn Township Drainage Improvement (Project Background, Study Process and Findings, Alternatives Development and Next Steps) ADJOURNMENT Agenda posted at the Municipal Building on November 9, 2022 and online at www.fremontne.gov. Agenda distributed to the Mayor and City Council on November 9, 2022. This meeting is preceded by publicized notice in the Fremont Tribune on November 10, 2022 and the agenda, including any notice of study session or public hearing, is displayed in the Municipal Building and is open to the public. The official current copy is available at City Hall, 400 East Military, City Clerk’s Office. The City Council reserves the right to go into Executive Session at any time. A copy of the Open Meeting Law is posted in the City Council Chambers for review by the public. The City of Fremont reserves the right to adjust the order of items on the agenda. §2-109 Audience / Participant; Rules of Conduct. The following rules are established for audience members and participants at a Council meeting: 1. At the discretion of the presiding officer, any person may address the Council, on any agenda item; however, questions to City officials or staff, other speakers, or members of the audience are not permitted and will not be answered. 2. Any person wishing to address the Council shall first state their name and address 3. Remarks shall be limited to five minutes unless extended or limited by the Presiding Officer or majority vote of the Council. 4. No person will be permitted to address the Council more than once during discussion of a particular agenda item. Rebuttal comments are not permitted. 5. Repetitive or cumulative remarks may be limited or excluded by the Presiding Officer or majority vote of the Council. 6. Profanity or raised voice is not permitted. 7. Applause, booing, or other indications of support or displeasure with a speaker are not permitted. 8. Any person violating these rules may be removed from the Council Chambers. The following additional rules are established and applicable for public participants at an Open Public Comment Period or Study Session meeting: 9. At the direction of the presiding officer, Open Public Comment Period Speaker Topics will be limited to those not covered by a published agenda for any Study Session, or any regular City Council meeting. 10. A priority to speak at Open Public Comment Periods and Study Session shall be given to those speakers who reside within the  City limits, or within the ETJ (Extra-Territorial Jurisdiction – a two (2) mile radius of the City limits) of Fremont, and then, as time allows, to those who do not. 11. Member of the public wishing to speak at a Study Session will be required to limit their comments to those that are directly related to the Publicly Noticed Study Session agenda topic(s). 12. Written letters addressed to the City Council will be accepted, as will comment cards that will be made available and collected from those who attend Open Public Comment Period and Study Session meetings who do not wish to speak publicly, but have an issue or concern that they believe the Council should be made aware of. Dodge County – Elkhorn Township Drainage Improvement Project Sponsor Update Meeting Fremont City Council Dodge County Board Lower Platte North NRD Board Meet the Team Kevin Kruse, PE SENIOR PROJECT MANAGER 402-450-3598 kkruse@jeo.com  Agenda 01 Project Background Current Project Funding Source Project Goals & Objectives Relationship to Other Flood Risk Reduction Projects 02 Study Process and Findings Existing Conditions Analysis Deficiency Identification 03 Alternatives Development Alternate Improvement Screening Preferred Alternative Project Benefits 04 Project Costs Next Steps  Project Background 01 Project Background ‒ Following 2019 Flooding ‒ Joint Water Management Advisory Board (JWMAB) ‒ Hazard Mitigation Grant Program (FEMA) – Advanced Assistance ‒ Elkhorn Township (Eastern Fremont/Southeastern Dodge County) ‒ Project Screening and Scoping ‒ Locally Led Consultant Selection Process – May 2021 ‒ Evaluation Process Began – July 2021 Project Background ‒ Project Goals and Objectives “A project study will be completed to assess Fremont's internal drainage needs and examine the out-letting drainage ditch system in the Elkhorn Township area east of Fremont. This project will assess the holistic situation and propose project alternatives to be pursued.” Develop a FEMA eligible project to reduce flood risk. Study Process and Findings Study Process and Findings Study Process and Findings Study Process and Findings Alternatives Development ‒ Alternative Development of a FEMA Eligible Project ‒ Flood Risk Reduction ‒ Meets Benefit Cost Analysis Criteria ‒ Alternatives investigated ‒ Alternate outlet channel to the Platte River ‒ Groundwater de-watering system (wells) ‒ Rural ditch/creek improvements ‒ Storm sewer improvements ‒ Large regional detention pond ‒ Rural ditch/creek cleanout/maintenance Alternatives Development ‒ Alternative Outlet Channel to Platte River ‒ Platte River flood elevations are higher than Elkhorn River (water would need to flow uphill) ‒ Significant utility and roadway impacts going South to Platte River ‒ Ruled out from further consideration Alternatives Development ‒ Groundwater De-watering System ‒ Network of connected high-capacity wells pumping continuously ‒ Discharge would still need to be conveyed safely ‒ Very little redundancy ‒ Better application for addressing wet basements little impact to flood risk reduction from surface water ‒ Ruled out from further consideration Alternatives Development ‒ Rural Ditch/Creek Cleanout and Maintenance (ONLY) ‒ Develop a dedicated, long term effort to clean out existing channels ‒ Restore to original shape ‒ Remove trees/debris/log jams ‒ No channel widening/only cleaning ‒ Does have minimal impact in rural areas for small, high-frequency events, BUT ‒ Little to no improvement for urban areas ‒ Larger storm events (2 year event and larger) still inundate rural areas Study Recommendations ‒ INSERT DITCH ONLY ANALYSIS MAP Alternatives Development ‒ Storm Sewer Only Improvement ‒ Trunk line storm sewer improvements for each of the major systems ‒ Without downstream channel improvements little to no reduction in flood extents Alternatives Development ‒ Detention Pond(s) Only Improvement ‒ Publicly owned and/or undeveloped properties reviewed for detention (west of Highway 275) ‒ Depending on the location/size of detention, there may be some reduction of flood risk downstream – but very little improvement upstream Alternatives Development ‒ Preferred Alternative ‒ Detention facility east of Highway 275 ‒ Channel improvements west of detention facility ‒ Culvert improvements at US 275 and Union Pacific Railroad ‒ Storm sewer improvements ‒ 1st St from Luther Rd to Clarmar St ‒ Clarmar St. from 1st St to 3rd St ‒ Channel/Culvert maintenance on 5th St. from Clarmar to Luther Rd ‒ Operation and Maintenance on rural ditch network that isn’t improved Alternatives Development Study Recommendations Location of detention facility not yet finalized. Location of detention facility not yet finalized. Alternatives Development ‒ FEMA Project Eligibility ‒ Several programs available ‒ Hazard Mitigation Grant Program (HMGP) ‒ Flood Mitigation Assistance (FMA) ‒ Building Resilient Infrastructure in Communities (BRIC) ‒ Benefit Cost Analysis ‒ FEMA methodology ‒ Project Benefits ‒ Structural Damage Avoidance ‒ Social Damage Avoidance ‒ Project Costs ‒ Design/Permitting/Administration ‒ Real Estate Acquisition ‒ Construction ‒ Long Term O&M Alternatives Development Preferred Alternative Project Benefits Urban Flood Risk Reduction ~300 urban properties for 5 year event Rural Flood Risk Reduction 105 acres for 5 year event Structural Damage Avoidance $65 million to $75 million Social Damage Avoidance $1.5 million to $2.0 million Environmental Benefits $2.0 million to $7.5 million Total Preliminary Benefits $70 million to $85 million Preliminary Benefit Cost Ratio 1.27 - 1.55 Additional benefits to be considered Impacts to utilities Impacts to publicly or non-profit owned property Impacts to City/County road network Loss of agricultural production Alternatives Development Preferred Alternative Conceptual Opinion of Costs Phases Construction Estimate * Professional Services ** Land Acquisition/Easements *** Total Segment 1 - Detention Pond $ 6,374,000.00 $ 1,619,000.00 $ 950,000.00 $ 8,943,000.00 Segment 2 - Highway 275 to Luther Rd. $ 18,372,000.00 $ 4,668,000.00 $ 308,000.00 $ 23,348,000.00 Segment 3 - Luther Rd. to Clarmar $ 18,425,000.00 $ 4,631,000.00 $ 36,000.00 $ 23,092,000.00 $ 43,171,000.00 $ 10,918,000.00 $ 1,294,000.00 $ 55,383,000.00 * Construction estimates include major items of construction (2022 estimates) as well as 30% contingency. ** Professional Services includes budgetary estimates for design engineering, survey, construction administration, legal, fiscal and permitting services. *** Land Acquisition includes budgetary estimates for ROW acquisition @ $20,000/acre, Temp Easement @ $3,000/acre and Spoils Disposal @ $3,000/acre. Next Steps (Project Team) ‒ Advance FEMA BRIC Grant Application ‒ Nearly complete application developed June 2023 ‒ Work with NEMA/FEMA on responses for additional information as needed ‒ Development of funding plan ‒ Identify other funding mechanisms if NEMA/FEMA grant is not received ‒ Real Estate and Regulatory Review of Preferred Alternative ‒ Title Searches to determine existing County owned easements ‒ Wetland delineations and regulatory fieldwork ‒ Facilitation with Port Authority, NDOT, and UPRR ‒ Public Engagement ‒ One on One discussions with property owners – January-February 2023 ‒ Public Open House – February-March 2023 Next Steps (Sponsors) ‒ Cost distribution and commitment ‒ When final application is submitted a financial commitment letter will be needed ‒ Development standards and practice ‒ City of Fremont has already adopted development standards (storm sewer, detention etc) ‒ Any development adjacent to any existing channel should be reviewed very closely to ensure enough room for future channel work ‒ Floodplain management best practices Next Steps Questions? Kevin Kruse, PE Senior Project Manager 402-450-3598 kkruse@jeo.com www.jeo.com