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ITEM 3.1_attachmentReview No. 1 ENGINEERING REVIEW Hai anson Commercial Lot for the City of Otsego C1Cii'Oil by Hakanson Anderson Submitted to: Honorable Mayor and City Council cc: Lori Johnson, Administrator Tami Loff, City Clerk Dan Licht, City Planner Andy MacArthur, City Attorney Chad Weeks, Arrow Companies Todd W. McLouth, P.E., Loucks Associates Reviewed by: Ronald J. Wagner, P.E. Brent M. Larson, P.E. Date: January 14, 2016 Proposed Development: Great River Centre 4th Addition — Block 1 Lot 1 Street Location A portion of the NW 1/4 of the SW 1/4 of Section 23, T121N, of Property: R23W, South of 85th St and East of Quaday Ave Applicant: P & F Machining Developer: Arrow Companies Owners of Record: City of Otsego Purpose: Great River Centre 4th Addition — Block 1 Lot 1 is a proposed 54,400 gross square foot single light industrial building located on 6.17 acres of Outlot A of Great River Centre 3rd Addition 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 industrial 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), and (but not limited to) Minnesota Pollution Control Agency (sanitary sewer) TABLE OF CONTENTS INFORMATION AVAILIBLE FINAL PLAT — completed by the City of Otsego SCHEMATIC DESIGN SET EXISTING CONDITIONS (C1-1) SITE PLAN (C2-1) GRADING PLAN (C3-1) STORM WATER POLLUTION PREVENTION PLAN AND DETAIL (C3-2 - C3-4) UTILITY PLAN (C4-1) DETAIL SHEET (C8-1) LANSCAPE PLAN (L1-1& L1-2) HYDROLOGY/STORMWATER SUMMARY AND/OR RECOMMENDATION PAGE 2 C:\Users\TamiWppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\L723WOXW\ot2500-2015 PF RVW1.doc INFORMATION AVAILABLE Final Plat for Great River Centre 4th Addition, by Hakanson Anderson Original Great River Centre Information Final Plat for Great River Centre 3rd Addition Original Hydrology Report/Storm Sewer Design for Great River Centre, by RLK June 2006 Updated Hydrology Report/Storm Sewer Design for Great River Centre, by Hakanson Anderson October 2009 Additional Information City of Otsego Engineering Manual City of Otsego Zoning and Subdivision Ordinances National Wetland Inventory Map PAGE 3 C:\Users\TamiWppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\L723WOXW\ot2500-2015 PF RVW1.doc SCHEMATIC DESIGN SET Cover Sheet 1) Cover Sheet is required with location map, north arrow, property owner, developer name and address, architect and engineer information, and City Engineer approval signature block. Existing Conditions Plan (Sheet CM) 1) Final plat has only one lot and one outlot. See attached Final Plat. 2) PID, property owners name and current zoning is not shown for two of the properties immediately to the west of the site. 3) Provide the normal and 100 year flood elevations for the regional storm pond to the east of the property. (NWL = 856.5 and HWL = 859.4) Site Plan (Sheet C2-1) 1) Strongly recommend moving south entrance to final location and constructing drive around south side of building in final location to minimize future disruption and future costs. 2) Legend for pavement types should reference standard plates. 3) Add Concrete pavement to legend for area under trash and recycle bins. Grading Plan (Sheet C3-1) 1) City requires articulating block mat, fleximat or cabled concrete rather than riprap. Basin overflow standard plate calls rip rap in one location and articulating block in another. SWPP Plan (Sheet C3-3 — C3-3) 1) No comments Utility Plan (Sheet C4-1) 1) CB1 may need to be larger than 48" standard manhole due to number, location and size of three entry and one outlet pipes. Note manhole size if larger than 48" diameter. 2) Hydrant coverage is insufficient. No hydrants shown on property. Details (Sheet C8.1 — 8.2) 1) Heavy Duty and Light Duty Loucks Standard Plates both labeled Site 30 PAGE 4 C:\Users\TamiWppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\L723WOXW\ot2500-2015 PF RVW1.doc 2) Loucks Standard Plate STRM-3 references Loucks STRM-4. Should reference Otsego Standard Plate 500. 3) Otsego Standard Plate 307 is unnecessary. No sanitary manholes within lot. 4) All rip rap shall be articulated block or approved equal per Otsego Standard Plates. 5) The pavement section shall be per a geotechnical engineers recommendation. Currently date and by on standard plates are blank. Landscape Plan (Sheet L2.1 - L2.2) 1) No comments HYDROLOGY/STORMWATER 1) No comments SUMMARY AND/OR RECOMMENDATION We recommend approval contingent upon the above comments being addressed. PAGE 5 C:\Users\TamiWppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\L723WOXW\ot2500-2015 PF RVW1.doc