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Item 3.1 RL Carriers RVW1 Prel Plat (City_Engineers_Report) Review No. 1 ENGINEERING REVIEW Residential Subdivision Preliminary Plat for the City of Otsego by Hakanson Anderson Submitted to: Honorable Mayor and City Council cc: Adam Flaherty, City Administrator/Finance Director Audra Etzel, City Clerk Dan Licht, City Planner Dave Kendall, City Attorney Stan Richards, R+L Carriers, inc. Joe Lovinelli and Matt Parks, Manhard Consulting, LTD Reviewed by: Ronald J. Wagner, P.E. Brent M. Larson, P.E. Date: November 8, 2021 Proposed Development: R+L Carriers - Otsego Development Location: A portions of the N ½ of the NE ¼ Section 35, T121, R23. South of 70th Street and East of Queens Avenue Applicant: Stan Richards, R+L Carriers, inc. Developer: R+L Carriers, inc. P.O. Box 800 600 Gillam Road Wilmington, OH 45177 Owners of Record: Midwest Station II, inc. Purpose: R+L Carriers is a proposed industrial development on approximately 46.8 acres in the City of Otsego, Wright County, Minnesota. The proposed development will be served with municipal water, sanitary sewer, storm sewer, and public streets typical of an urban setting. Jurisdictional Agencies: City of Otsego, Wright County, Minnesota Department of (but not limited to) Health, Minnesota Department of Natural Resources, Minnesota Pollution Control Agency, Wright Soil and Water Conservation District. Permits Required: NPDES, Minnesota Department of Health (water), (but not limited to) Minnesota Pollution Control Agency (sanitary sewer), and Wright County PAGE 2 S:\Municipal\Aotsego25xx\2500\2021\R+L Carrires TABLE OF CONTENTS INFORMATION AVAILABLE COVER SHEET OVERALL GEOMETRIC PLAN GRADING PLAN UTILITY PLAN SOIL EROSION AND SEDIMENT CONTROL PLAN FINAL PLAT TRAFFIC MANAGEMENT COMMENTS OTHER CONSIDERATIONS SUMMARY AND/OR RECOMMENDATIONS PAGE 3 S:\Municipal\Aotsego25xx\2500\2021\R+L Carrires INFORMATION AVAILABLE Preliminary Plans for R+L Carriers, dated 10/14/2021, Manhard Consulting, LTD Preliminary Plat for R+L Carriers, dated 10/22/2021, by Sunde Land Surveying Additional Information Minnesota Rules, Chapter 4410 – EAW Requirement City of Otsego Engineering Manual City of Otsego Zoning and Subdivision Ordinances National Wetland Inventory Map PAGE 4 S:\Municipal\Aotsego25xx\2500\2021\R+L Carrires COVER SHEET 1. No comments. OVERALL 2. An additional easement shall be obtained from the property owner to the south of the development for sanitary sewer access or reroute within City ROW. GEOMETRIC PLAN 3. No comments. GRADING PLAN 4. A 20’ wetland buffer shall be placed around all wetlands. The buffer must be entirely with the outlots. Wetland buffer is considered a no mow zone to promote filtering of runoff before it enters the wetland. 5. It appears a retaining wall is planned along the west end of the docks but is not indicated on the plans. Please indicate if that is the case. Also, any retaining wall in excess or 4’ must be designed by a licensed MN professional engineer. UTILITY PLAN 6. The watermain shall loop with existing 12” watermain stub located to the west of Quenroe and just north of CSAH 38. This will negate the need for north water connection shown on Queens Ave. 7. A 12” watermain stub shall be provided to the east property line. 8. A 20’ wide utility easement is required on the final plat over all water line and hydrants. The City will own and maintain the watermain and hydrants. 9. All hydrants within the pavement shall be protected either by curb or bollards. 10. Watermain shall be constructed to minimize length by relocating closer to hydrants. 11. Elevations of sanitary sewer lines is required at each MH. 12. A profile of all utility lines (water, sanitary, and storm sewer) is required to ensure proper coverage, slope, and to review potential conflicts. 13. The two center flared end sections at the east end of the parking lot are not necessary as they projected into a hill. The northern flared end section can be shortened to match the proposed contours. PAGE 5 S:\Municipal\Aotsego25xx\2500\2021\R+L Carrires SOIL EROSION AND SEDIMENT CONTROL PLAN 14. Normal Water Level and High Water Level elevations shall be provided for all wetlands. FINAL PLAT 15. 65 feet of right of way “ROW” from centerline shall be provided along 70th Street NE “CSAH 38”. 16. The county road north of the property is CSAH 38. 17. Watermain easement shall be provided. TRAFFIC MANAGEMENT COMMENTS 18. From a traffic stand point – Queens Ave is a two-lane street with a continuous left turn lane for much of the industrial guided or zoned area and was constructed with industrial type traffic projected out for 20 years. The existing traffic levels (2016) are 1050 per day at the north end and 1450 at the south end. A two lane with continuous left turn lane can handle up to 15000 and 17500 vehicle per day before falling below LOS D and a single lane can handle up to 1900 vph during peak and currently the amount would be less than 150 vph during peak. During design of Queens Avenue, guided land uses were used to determine full development traffic. Queens Ave was anticipated to handle up to 9744 industrial vehicles (not all trucks – this is mostly passenger type vehicles going to and from work) and 2300 from residential uses or 12044 vehicles per day at full build out. Actual resultant numbers seem to indicate the existing uses are generating less than anticipated. In fact, some land guided as industrial has been platted as single family residential (Harvest Run). The higher number on design is due to using a general industrial number that included the potential for manufacturing while actual use has been primarily distribution warehouse. CSAH 36 and CSAH 38 are the primary outlets for Queens Ave and those are County Highways. They are designed and constructed with regional traffic levels in mind. As levels of traffic increase Wright County will need to accommodate the additional traffic, but the level the existing County highways can handle is not close to being breached as east of TH101 CSAH 38 is 1150 vehicles per day and CSAH 36 east of is 2200 vehicles per day for 2016. Those highways can be anticipated to handle up to 15000 vpd with dedicated left turn and right turn lanes. 19. R+L Carriers planned use is an office (4000 sq ft) and ultimate warehouse (90,000 sq ft). Those uses would be anticipated to generate a combined total of 367 vehicles per day according to ITE 9th Edition (a mix of trucks and passenger vehicles). The same area, if it were single family homes, would be anticipated to generate approximately 660 vehicles per day (primarily passenger vehicles). Peaks generated by single family would also be much higher as industrial is spread out throughout the work day. PAGE 6 S:\Municipal\Aotsego25xx\2500\2021\R+L Carrires OTHER CONSIDERATIONS 20. Wetland Determination is in process. 21. A Storm Water Management Report has been submitted and we will review and comment separately. 22. Please submit a Geotechnical Report for review. SUMMARY AND/OR RECOMMENDATION We recommend approval contingent upon the above items being addressed.