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Mr. Ward  <br />January 15, 2018  <br />Page 3   <br /> <br />S:\1Planning Commission\2018\02262018\Village Development - Plan Review - 021318-engineer.docx <br />2. Provide 4” thickness of insulation at watermain and storm sewer crossings where storm sewer <br />and drainage structures provide less than 3.5 feet of cover (not 2.0’) over the watermain. <br /> <br />3. Verify an 8” watermain as proposed will provide adequate fire flow and pressure to serve the <br />number of units and building elevations being proposed. <br /> <br />4. Water and sanitary sewer connections to buildings must conform to the plumbing code as <br />interpreted by the local building officials. <br /> <br />5. The applicant shall include a drain tile system behind the curbs to convey sump pump discharge <br />from the units as detailed in the City Standard Specifications. <br /> <br />6. The proposed 24” pipe between Ex. Structure 16 and MH 1 appears to be oversized assuming it <br />is proposed to take the existing 9” line from the west and the proposed 10” line from the <br />development. <br /> <br />7. Due to the depth, this pipe should be shown as SDR 26 with the construction plans and the <br />adjacent storm sewer should be shown as being impacted with construction. <br /> <br />8. Provide for granular bedding for installed utility pipe in unsuitable materials per the applicable City <br />standard detail plate. <br /> <br />9. Show and call out the size and material of the existing waterlines where the development is <br />connecting on the west and south. <br /> <br />10. The Independent Senior Living facility is shown with an 8” DIP service while the other facilities <br />were shown with 6” DIP services. Was this done by design? <br /> <br />11. Provide 45-degree bends in lieu of 90-degree bends near the western connection with the <br />existing watermain. <br /> <br />12. Place a hydrant at the original proposed location along Kenzie Terrace near the connection to the <br />existing watermain on the south side of the development. The main can be capped/plugged at <br />that point. <br /> <br /> <br />Detail Sheet <br /> <br />1. Include all applicable standard detail plates from the most recent edition (2018) of the City of St. <br />Anthony’s General Specifications and Standard Detail Plates for Street and Utility Construction <br />for project construction. <br /> <br /> <br />Thank you for the opportunity to provide comments on this project. If you have any questions, please do <br />not hesitate to contact me at 763-287-7182. <br /> <br />Sincerely, <br />WSB & Associates, Inc. <br /> <br /> <br /> <br /> <br />Todd Hubmer, PE <br />City Engineer