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edition of the Great Lakes — Upper Mississippi River Board of State Sanitary Engineers (10 State Standards) or latest revision and as modified herein. 1. The Developer shall obtain all regulatory agency permits and approvals including those from the MPCA and Metropolitan Council Environmental Services prior to beginning of construction. 2. The number of capita per dwelling units used in design calculations shall be reviewed and approved by the city engineer. 3. Determination of sanitary sewer services size and design shall be done in accordance with the Department of Health, Minnesota Plumbing Code, and City of Roseville's Comprehensive Sanitary Sewer Plan. 4. Manholes shall be placed on street centerline to the greatest extend possible. Other locations outside the wheel paths (3' and 9' off centerline) may be allowed with City approval. 5. The maximum spacing between manholes is 400'. 6. Manholes are required on the terminus end of all stubs if the line will be active. 7. Any connections to existing manholes shall be core drilled. If the pipe diameters of the existing and proposed pipes are the same, then the invert elevations shall drop 0.10 feet through the manhole. If the pipe diameters are different, then the 8/10ths line of the two pipes shall match at the manhole. 8. Maintain a minimum of 10' of horizontal separation between sanitary sewer and watermain. 9. The minimum slopes for sanitary sewer shall be as follows: SIZE OF PIPE MINIMUM SLOPE 8" 0.40% 10" 0.28% 12" 0.22% 15" 0.15% 10. Show on the plans the existing and proposed sanitary sewer in plan and profile view along with other existing and proposed utilities in the construction zone. 11. Drop manholes are required when the pipe inverts are greater than 2' apart. 12. If the sanitary sewer is to be installed less than 10' deep within private property, the easement shall be a minimum of 20' wide with the pipe centered in the easement. If the sanitary sewer is 10' deep or greater, then the easement shall be at least twice as wide as the depth or as required by the City. Show these utility easements on the construction plans and final plat.