August 12, 2019 1:30 pm McLeod County North Complex Redetermination - PowerPoint PPT Presentation

COMBINED DITCH MEETING JD 18 SM JD 17 MS JD 32 SM Sibley CD 65 August 12, 2019 1:30 pm McLeod County North Complex

Redetermination • Background • JD 18 SM completed redetermination in November of 2016 • Concerns with • Outlet fee for JD 17 MS, paying over 9% of the benefits • Watershed boundaries do not match up to those previously redetermined • CD 65 boundary was extended to include portions of JD 18 SM • Redetermination stays in effect until another redetermination is complete • Total cost of the project was $1,033,395.89 • Cost less seeding and damages was $92,167.32

Redetermination • Proposed • Do a redetermination on JD 18 SM, JD 17 MS, JD 32 SM, Sibley CD 65 • Upon completion they are combined into 1 large system

Redetermination Including: • Process • Cost • Timeframe

Redetermination RECAP: • Eliminates current outlet fees • All 4 ditch systems, big or small, pay for the maintenance of the others • All acres are part of the system and watershed boundaries become seamless • CD65 and JD 18 SM boundary would no longer be an issue • Need to pay for the redetermination again • Drainage authority would be realigned to reflect the new benefit percentages • All expenses incurred up until ROB is final are spread on current benefits • Current debt on JD 18 SM is $647,637.50

Repair Projects Culvert Locations

Repair Projects Repair 18-176 256 th Lane Crossing

Repair Projects Repair 18-163 Heinz

Repair Projects Repair 18-081 Frauendienst

Repair Projects

Repair Projects

Repair Projects

Repair Projects

Repair Projects Contractor with lowest responsible bid: Wuetherich Drainage, Brian Wuetherich Sibley County culvert pieces have been delivered to the Gaylord area and are being assembled. Cost of pieces for 3 culverts: $49,551.000

256 th Lane Crossing • Significant flooding most springs • Impacts farm land upstream from culvert • Impacts farm land downstream from culvert • Impacts drivability of driveway east of 256 th Lane

256 th Lane Crossing March 20, 2019- looking east down 256 th Lane

256 th Lane Crossing March 20, 2019- looking NW into submerged ditch

256 th Lane Crossing March 22, 2019- looking south of 256 th Lane

256 th Lane Crossing March 22, 2019- looking east down 256 th Lane

256 th Lane Crossing March 22, 2019- looking NW into submerged ditch

256 th Lane Crossing May 28, 2019- looking west along 256 th Lane

256 th Lane Crossing • Solutions • Fix current 256 th Lane • Reroute the driveway

256 th Lane Crossing • Fix current 256 th Lane • 3 options from ISG Culvert Analysis, 2019 Option 1: • Install a 10’ x 8’ dual box culvert • Pros: • Increase the capacity of the crossing • Lower the peak flood elevations upstream of the crossing by up to 3’ • Will protect the culvert which currently only has .89’ of cover • Total width of channel at culvert will be 22.5’ (currently 20’) • Cons: • Will not effect frequency of the road overtopping • Will overtop the road with any 25 year rain event • Cost: $152,840

256 th Lane Crossing • Fix current 256 th Lane • 3 options from ISG Culvert Analysis, 2019 Option 2: • Leave existing culvert • Pros: • Culvert is in good condition • Cons: • Will continue to flood

256 th Lane Crossing • Fix current 256 th Lane • 3 options from ISG Culvert Analysis, 2019 Option 3: • Raise the road 2 feet from elevation of 988 to 990 & install box culvert • Pros: • Increase the capacity of the crossing • Lower the peak flood elevations upstream of the crossing by up to 3’ • Will protect the culvert which currently only has .89’ of cover • Total width of channel at culvert will be 22.5’ (currently 20’) • The lowest spot is the driveway is 300’ east of the culvert location, so building it up would prevent further flooding • Cons: • Will overtop the road with any 50 year rain event • Cost: $176,675

256 th Lane Crossing • Reroute the driveway • Pros: • Increase the capacity of 1895 the crossing • Lower the peak flood elevations upstream of the crossing by up to 3’ • The lowest spot is the driveway is 300’ east of the culvert location, so building it up would prevent further flooding • Cons: • Will overtop the road with any 50 year rain event • Cost: $60,000 minimum for construction • Maintain it perpetually

FEMA • Aaron met with Ryan from the Dept of Homeland Security & Emergency Management in May • Photos and hydraulic analysis have been sent to FEMA • FEMA hopes to be out as early as September to take a look at the damage/repairs • Improvements typically aren’t allowed unless it is more cost effective

Delta Feasibility Study

Two-Tier Ditches

Bonding Remaining principal & interest balance of debt: JD 18 SM – Redetermination: $234,150 (5 year, final payment 2/1/2023) Cleanout: $413,487.50 (20 year, final payment 2/1/2038) JD 32 SM – Improvement: $95,637.50 Call date: February 1, 2025 Bond defeasance is only option prior to this date, but fees/penalties

Bonding Future Bonding: Based on: $100,000 for redetermination $500,000 for culvert repairs $600,000 5 years at 1.5% up to 20 years at 2.25% Reimbursement Resolution: Look back 60 days from the date of the resolution & 18 months forward

COMBINED DITCH MEETING JD 18 SM JD 17 MS JD 32 SM Sibley CD 65 August 12, 2019 1:30 pm McLeod County North Complex