5.3. SR 05-09-2005 - Laserfiche WebLink

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Mayor and City Conncil April 29, 2005 Page 3 F. Development Timing Obviously if the area east of County Road 40 is brought into the Urban Service Area, it cannot develop immediately because sanitary sewer and water service are not to County Road 40 at this time. In discussing with Mr. Dulak his desires for initial development of his 260 acres, he has indicated that he can proceed with no building permits being issues until 2008. This would give the Orrin Thompson River Park plat a three-year head start to develop and market their lots. The area south of Mr. Dulak's down to CSAH 12 would be dependent on other areas west of County Road 40 developing and bringing utilities to County Road 40 to make it readily available to these properties. This would likely be in the 2008 or beyond time frame. G. River Park Infrastructure Sizing Staff expects to see final construction plans for the first phase of the River Park development within the next several weeks. It will be important to know whether or not east of County Road 40 is to be allowed into the Urban Service Area at some time in the future as we are reviewing those plans for appropriate sizing and depth of sanitary sewer and water infrastructure. If the River Park plat is allowed to develop without a firm decision on the area east of County Road 40, it may ultimately preclude or make significantly more expensive the ability to bring the area lying east of County Road 40 into the Urban Service District in the future because of the need for deeper and larger utility infrastructure. H. Ultimate WWTP Capacity The ability to provide sanitary sewer service to all areas lying east of Trunk Highway 169 is limited by the ability of the major lift station located near the Wal-Mart development to pump sewage, collected east of Trunk Highway 169 to the W astewater Treatment Plant. If additional capacity is allocated to the area lying east to County Road 40, this will mean that there is less additional sanitary sewer capacity to allocate elsewhere, such as the Cargill land in the future. It does not mean that there will be no capacity for the Cargill area. At a June 2004 City Council presentation we estimated that if the area east of County Road 40 were to be brought into the Urban Service Area, it would generate 250,000-300,000 gallons a day of sewage flow when fully developed. That would leave approximately the same amount of sewage capacity for the Cargill area. Generally, textbook numbers for commercial or industrial sewage flow generation are 1,000 gallons per acre, so 300,000 gallons of capacity for the Cargill area would relate to approximately 300 acres of commercial/industrial development. I will be in attendance at your May 9th Council workshop to discuss this issue further. Sincerely, .c- ~~ T~urer, PE City Engineer S:\Engineer\200S cc memos\04 29 OS East Co Rd 40.doc