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2006-07-05 Engineering Premlim Plat Site & Utility Plan ReivewBO L-TON 8~ i~/I B N K , INC. Consulting Engineers & Surveyors 2638 Shadow Lane, Suite 200 Chaska, MN 55318 Phone (952) 448-8838 FAX (952) 448-8805 MEMORANDUM Date: July 5, 2006 To: Al Brixius, City Planner Cc: Larry Kruse, City Administrator Michael Couri, City Attorney Virgil Hawkins, P.E., Wright County Linda Fisher, Larkin Hoffman Daly & Lindgren, Ltd. Shari Ahrens, Westwood Professional Services, Inc. From: Adam Nafstad, P.E., Albertville Assistant City Engineer Subject: Phillip Morris Property Site & Utility Plan Review -Preliminary Plat City of Albertville, Minnesota BMI Project No. T15.21660 We have reviewed, the civil plans titled "Preliminary Site Improvement Plans for Albertville - Market Place", prepared by Westwood Professional Services, Inc, dated 6/13/06, and have the following comments: General 1. The plans and plat shall be submitted to the Wright County Highway Department for review and approval. An entrance permit and/or work within the right-of--way permit will be required. 2. The plans and plat shall be submitted to the State for review and comments. 3. The Developer will be responsible for all construction permits required for the improvements (sanitary, water, storm water, etc.). 4. No construction activity shall take place on adjacent properties without permission and/or easement from the respective property owner. 5. Add note to plan stating "All construction shall comply with City of Albertville engineering standards, the 2000 edition of the MnDOT standard construction specifications (including supplements), and all MPCA and MN Department of Health guidelines". Streets & Boulevards 6. Development should include reconstruction of County Road 37/60`h Street NE with a westbound left turn lane and an eastbound right turn lane, as directed by County. Constructions plans will be required for review. MANKATO, MN FAIRMONT, MN SLEEPY EYE, MN BURNSVILLE, MN WILLMAR, MN CHASKA, MN AMES, IA An Equal Opportunity Employer 39 EXHIBIT K 7. Signing and striping of the turn lanes, access roads and parking lots shall be in accordance with the latest edition of the MMUTCD and as required by fire regulations. The location of the proposed stop sign for vehicles approaching CSAH 37 / 60th Street is not correct. The location of this sign shall be revised per the MMUTCD and County requirements. 8. The proposed access road within the future Cityright-of--way shall be designed and constructed as a 9-ton section, as recommended by a geotechnical engineer. The following is the City's minimum standard fora 9-ton typical section: a. 1-1/2" MVWE45030B Bituminous b. 1-1/2" LVWE45030B Bituminous Binder c. 2-1/2" LVNW35030B Bituminous Base d. 8" Class 5 aggregate base (100% crushed) e. 18" Select Granular Material, MnDOT 3149.2B f. Geotextile fabric - Mirafi SOOX 9. Typical sections for the proposed roadways and parking areas shall be included in the plans. 10. The access road within the future City right-of--way shall be extended an additional 40-feet to allow for access to the lift station site. The location of the curb cut or point of access to the lift station site will be determined upon completion of design of the lift station facility. 11. All sidewalks and pedestrian ramps shall meet the requirements of ADA and MnDOT (truncated domes). 12. All boulevard and green spaces shall be restored with a minimum of 4-inches of topsoil. 13. Two type 3 barricades at the stub end of the access road shall be installed and noted on the plans. Sanitary Sewer and Watermain 14. It is recommended that the City design the required lift station facility. Upon completion of design of the facility, revisions pertaining to the layout/locations at which the sanitary sewer main and force main enter Outlot C, maybe required. 15. The tie-in/connection to the existing watermain and sanitary sewer shall be labeled on the plans as "connect to existing -verify in field". 16. Sanitary sewer main shall be SDR 35 or greater and noted on plans. 17. All sanitary sewer service pipe and fittings shall be SDR 26 and noted on plans. 18. An easement over all sanitary sewer and watermain will be required. The easement shall be a minimum of 20-feet in width and extend a minimum of 10-feet on each side of both sanitary and water mains. 19. Gate valves shall be added at the following locations: a. At the south leg of the tee adjacent to CBMH-13. b. At the east leg of the tee just south of the connection to the existing main. c. At the north leg of the tee adjacent to MH-105. 40 20. Tracer wire access boxes (valve boxes lettered SEWER) shall be installed at 300-foot intervals along the force main. 8-gauge solid coated copper tracer wire shall be installed along all force main and shall surface at all access boxes (note on plans). 21. If the buildings will have sprinkling type fire protection, separate water shutoffs and services for the fire line and for the domestic line will be required, as well as, easement over services and their shutoffs. 22. Hydrant spacing and water supply shall meet the requirements of the latest version of the Minnesota State Fire Code and that of Albertville's Fire Chief. 23. All watermain shall be PVC C9000 and fittings shall be epoxy coated, and noted on plans. 24. 8-gauge solid coated copper tracer wire shall be installed along watermain and surface through all gate valves and attached to the bottom flange of all hydrants (note on plans). 25. Gate valve adaptors for valve boxes and nut extensions shall be required and noted on plans. 26. Note on plans that all watermain shall have a minimum of 7.5-feet of cover. 27. Note on plans that a minimum of 3-feet of separation is required at all sewer and water crossings. 28. A hydrant shall be added south of CBMH-6a. 29. A temporary hydrant shall be added at the end of the watermain in place of the plug. 30. The proposed sanitary sewer clean-out for building C, shall be located in a boulevard or green space, or replaced with a manhole. 31. Repair to existing manhole invert and/or bench shall be performed as required and noted on plans. Grading, Drainage & Erosion Control 32. Proposed drainage calculations and pre- and post-development drainage area maps, that include pre- and post-development impervious calculations, shall be submitted for review and approval. 33. HWL of adjacent wetland shall be identified (all low floor elevations shall be a minimum of 2' above HWL). 34. Pond outlet skimmer structure shall have submerged inlet and details of structure shall be included on plan. 35. Guardrail/fence will be required along top of retaining walls adjacent to parking stalls. 36. A drainage and utility easement over the pond shall be provided and recorded. 37. No wetlands and/or impacts to non-exempt wetlands are indicated on plans. Developer shall be responsible for any disturbances to adjacent wetlands caused by development of site. 38. Developer shall submit a copy of storm water permit application (including SWPPP) and permit to City. 41