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MN Dept of HealthMINNESOTA DEPARTMENT OF HEALTH Division of Environmental Health PLAN REVIEW APPROVAL Plans and specifications on watermain: Minnetonka Country Club Third Addition, Shorewood, Hennepin County, Plan No. 180299 OWNERSHIP: Shorewood City Council, c/o City Clerk, Shorewood City Hall, 5755 Country Club Road, Shorewood, Minnesota 55331 -8927 SUBMITTER(S): Mattamy Homes, LLC, 7201 Washington Avenue, Suite 201, Edina, Minnesota 55439 Carson McCain, Inc., 3890 Pheasant Ridge Drive Northeast, Suite 100, Blaine, Minnesota 55449 Date Received: February 8, 2018 Date Reviewed: February 9, 2018 APPROVED: The plan and specifications are approved based on the information provided to our office for review. Approval is contingent upon meeting all of the requirements listed below. It is the project owner's responsibility to retain the plans at the project location. SCOPE: This report covers the project design's effect on the safety and sanitary quality of the drinking water. This report applies to this project only, and not to any additional parts of the water system. The examination of plans is based on the assumption that the information provided is accurate and complete and that the owner has the necessary legal authority to construct the project. The project designer is responsibile for, but not limited to, the structural features, material selection, sizing of materials and equipment, equipment effectiveness, and installation methods. Plans and specifications are examined with regard to the location, construction, and operational features of the design and maintenance of all parts of the system, which may affect the safety and sanitary quality of the water. Examination is based on the standards of this department. COMPLIANCE: Construction must be according to the approved plans and specifications. If changes are made to the approved plans, Minnesota Department of Health (MDH) approval must be obtained before such changes are made. Otherwise, the construction will be considered as installed without proper approval. A separate correspondence will be issued for changes or addenda. INSPECTIONS: It is the responsibility of the owner or owner's agent to contact MDH for any inspections that are listed in the requirements of this report. Minnetonka Country Club Third Addition Watermain Plan No. 180299 Page 2 February 9, 2018 This project consists of the installation of the following watermains: 1. 50 lineal feet of 6 -inch ductile iron watermain 2. 680 lineal feet of 8 -inch ductile iron watermain Requirement(s): 1. Disinfection of the watermain shall be performed according to AWWA Standard C651. However, if the tablet or continuous feed methods are used, the completed watermain shall be disinfected with at least 50 ppm available chlorine, rather than the 25 ppm dose specified in AWWA Standard C651. 2. When temporary watermains and water services are used, the following requirements must be met: Piping used for temporary watermain shall meet the requirements of MDH. The temporary watermain shall be disinfected in accordance with AWWA Standard C651, with the exception that a minimum chlorine residual of 50 ppm shall be used. The watermain and service lines must be tested for bacteriological quality prior to use in accordance with AWWA Standard C651. b. The temporary water service piping shall be approved by the local administrative authority. MDH requires that the temporary water service line meet the National Sanitation Foundation (NSF) Standard 61. Otherwise, the service line material must meet the requirements of the Plumbing Code, Minnesota Rules, chapter 4714, and must be approved by the manufacturer for above ground use. The temporary water service lines must be disinfected in accordance with either AWWA Standard C651 (with the exception listed above), or the Minnesota Plumbing Code, Minnesota Rules, chapter 4714.609.9. The watermain and service lines must be tested for bacteriological quality prior to use in accordance with AWWA Standard C651. The approval for construction of this project is valid for 2 years from the date of this letter. If project construction has not begun within the two -year period, plans and specifications must be resubmitted to MDH for approval before any construction takes place. While the project has been approved, additional recommendations or requirements may be made to the project when changed conditions, additional information, or advanced knowledge make improvements necessary. Minnetonka Country Club Third Addition Watermain Plan No. 180299 Page 3 February 9, 2018 If you have any questions regarding information contained in this report, please contact me at 651 - 201 -4684. Approved: David Weum, P.E. Public Health Engineer Section of Drinking Water Protection P.O. Box 64975 St. Paul, Minnesota 55164 -0975 DW:ak cc: Mattamy Homes, LLC Carson McCain, Inc.