Appendix B: Comprehensive Sanitary Sewer Plan Update - 2017

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• Projected development rates used in 2012 study (through 2030) were as follows: - 260 Residential Units/Year (25% High Density) - 25 Commercial/Industrial Acres/Year • Projected development rates (through 2040) are anticipated to be as follows: - 160 Residential Units/Year (50% High Density) - 10 Commercial/Industrial Acres/Year The projected Residential development rate was lowered by 38.5% to 80 Units/Year, the projected Commercial/Industrial development rate was lowered by 15 Acres/Year (-60%), while the projected number of high density units increased from 65 Units/Year to 80 Units/Year (+23%). Based on these considerations, the Residential Equivalent Units (connections) is conservatively estimated at 160 per year. The 2017 sewer connection charge is $1,154 per residential unit and $3,475 per commercial/industrial acre. E. ANALYSIS Many factors impact the actual fee required to sustain and expand the trunk sanitary sewer facilities. We have included a more comprehensive spreadsheet analysis of the sanitary sewer expenses and revenues. Assumption made in the spreadsheet are: • Anticipated revenue from utility billings of $1,528,683 were used for 2017 and then inflated at 1% per year. • Trunk Connection charges and SAC fees were set at $1,154 and $2,485 for 2017 and then inflated at 2.5% per year. • Operating expenses were set at $1,014,301 for 2017 and then inflated at 3% per year. • Capital expenditures for 2016 to 2020 were taken from the City's current Capital Improvement Plan. • Capital expenditures for 2021 to 2040 was determined as described in Section 3 of this report. The information provided in this report should be considered when setting sanitary sewer connection charges within the City. City of Ramsey, Minnesota — R16.110056 Page 3 Comprehensive Sewer Plan Update Prepared by Bolton & Menk, Inc.