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ORDINANCE #89- 21 <br />CITY OF RAMSEY <br />ANOKA COUNTY <br />STATE OF MINNESOTA <br />AMENDMENT TO CHAPTER 150.01 known as the Sewage Disposal Systems <br />Chapter of the City Code. <br />AN ORDINANCE AMENDING SECTION 150.01 of the City Code. <br />The City of Ramsey ordains: <br />SECTION 1. AMENDMENT <br />Section 150.01 of the Ramsey City Code pertaining to on site <br />treatment systems is amended to read as follows: <br />150.01.4E DOSING DEVICES FOR PRESSURE DISTRIBUTIONS <br />1. The dosing device shall be a pump which is cast iron or <br />bronze fitted and with stainless steel screws or constructed of <br />sound, durable and corrosion - resistant materials. <br />2. The pump discharge capacity shall be at least seven and <br />one -half gallons per minute for each 100 square feet of soil <br />treatment area. <br />3. The pump discharge head shall be at least five feet <br />greater than the head required to overcome pipe friction losses and <br />the elevation difference between the pump and the distribution <br />device. <br />4. The quantity of effluent delivered for each pump cycle <br />shall be no greater than 25 percent of the one day's sewage flow. <br />5. An alarm device shall be installed to warn of pump <br />failure. <br />6. A siphon will not be allowed as a dosing device to deliver <br />effluent to a pressure distribution system. <br />7. The dosing chamber for a pressure distribution system <br />shall either include a two pump system or shall be sized to include <br />a minimum reserve capacity of 75 percent of the daily design flow. <br />Section 150.01.4H of the Ramsey City Code pertaining to <br />alternative treatment systems in the urban service areas is amended <br />to read as follows: <br />