2018-05-23 CC Packet - Laserfiche WebLink

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of water511ed-wide development. LOO-Year,24-Hour E—nt 100A. ACID 31 Main Trunk lvloderete Culvert under Kettle River Boulevard is the Control.Some potential structure inundation near Kettle River&oulevard. 1006 ACI]10.22.32 Main Trunk Low Culvert under 1-35W is the control.No damage is likely to result-ditch section here is deep. 100C JD 4 Main Trunk L.- It appears that the new realignment channel is adequate to convey future flaws. This developing area is served only by a small diameter(12 1001) Upstream of JD d Main Trunk the Moderate tile.Add it i u nal con veva nce and{or storage is required to enable the zoned land use jsimilar to ACD 55)- Existing structure Inundation in this location may be LODE JD 2 upstream of Elmcrest Ave. High exacerbated.Increasing the culvert sixes under 16Sth Ave. may assist in mitigating this issue. No Structures are Currently inundated in thi5 area,and a peak 10OF JD 2 upstream of Hwy.61 Low flood elevation increase of less than 1-foot will not likely change that_This area contains a substantial uolume of flood sto rate. No structures are m dose proximity Lo the wilting Floodplain. lOOG Jct 3 Main Trunk Low However.changes in floodplain may have same effect on development of adjacent.lots. No 5trar[tu res are in close proximity to the existing ti o o d pla l n. 100H Farmer ACD 41 Low Howeverr changes in floodplain may have same effect on development of adjacent lots. Development is challenged by the lack of an adequate outlet. 18tl1 ACO 55&72 Moderate Cl ty of Lina Lakes Is cu r re nt ly developing a plan to address these challe,ees. 11. Table 8.1 Stormwater Capital Improvements:Table should set forth, by year, details of each planned capital improvement that includes the schedule, estimated cost, and funding source. 12. Section 10.2 Amendment Procedures:The City should update this section to reflect that LWP updates are now on the Comprehensive Plan cycle.The City should also specify that major plan amendments will be sent to RCWD and the Metropolitan Council for review prior to City approval. The provided comments below offer grammatical and formatting suggestions for the LWP: 1. Section 1.0,third paragraph: Recommend revising language to: "the City will work with RCWD to review land development projects" and "The RCWD has regulatory authority to enforce its rules and regulations to ensure water protection in the City." 2. Section 2.3:This should be updated to reflect the current M.S. 10313.235 and MN Rule 8410 requirements. 3. Section 3.3, last sentence& Section 3.8, last paragraph: Recommend the City add "of" between "most the." 4. Section 6.1, bottom of pg 6.21: Recommend correcting "City is directly responsibility"to "City is responsible." 5. Section 6.4, second paragraph: Recommend revising"implementing RCWD rules"to "RCWD implementing its rules and the City meeting..." 6. Section 8.4 underneath dredging equation: Recommend revising "estimate of cost for dredging" to "cost estimate for dredging." The RCWD appreciates the opportunity to comment on the City's plan. We look forward to reviewing a revised draft for consideration by the RCWD Board of Managers. If you have any questions please contact me at (763) 398-3078 or Isam edro@Zriicecreek.org. Sincerely, Lauren Sampedro District Technician Cc: Judy Sventek-Metropolitan Council Sam Paske-Metropolitan Council Mark Statz-City of Centerville 75