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Table 13.7: Projected Wastewater Flows in RTC CommerciaFService Development <br /> <br />Co:erciaI (Ex~t~g H~. 10) 32.2 2,000 64,400 <br />Co:ercial I 1.6 2,000 23,200 <br />,(59 ice/Conye:ence) <br />Co:ercial (Shopp~g) 24.4 1,600 39,040 <br />Mixed Use (RetaiVOffice) 30.6 2,300 70,380 <br />C:vic Center 3.6 13,300 47,880 <br />Business Entel:se 35.9 t,330 47,747 <br />Tr~sit 4.5 1,330 5,985 <br />Pubtic/~en Space 58.2 1,500.. 87,300 <br />Total Developed Area 201 1,920® 385,932 <br /> <br />(1) Projected water usage based on average cresting demand per day including irrigation. <br />(2) Average per acre water usage. <br /> <br />Appendix I shows the water usage and pumping rates for 2002. This information is <br />combined with the above water usage projections for the RTC site plus the projected <br />water use for the undeveloped Urban Growth Area to determine total projected water <br />demand at 2020 and is summarized in Table 13.8. The projected water use for the <br />undeveloped areas, excluding the RTC site, were based on the wastewater flow <br />projections contained in Item 18 and Appendix G (Wastewater Data) and include a <br />premium for irrigation. <br /> <br />Table I3.8:2020 Urban Growth Area Projected Water Use <br /> <br />RTC Development:xj 1.631 595 <br />Furore No~hwest Sub-dis~ct 0.160 58 <br />Fu~e Sou~west Sub-district 0.839 306 <br />~mre R~ ~ver Dis~ct Usage 0.677 247 <br />Sub-total Future Usage 3.307 1,207 <br />Existing Se~ice ~ea Usage 1.198 437 <br />2020 PRO~CTED USAGE 4.505 1,645 <br /> <br />(1) Future usage estimated based on projected land use and includes irrigation <br />(2) Sum of totals from Tables 18.6 and 18.7. <br /> <br />Discussion of Results: Historic records show that overall per capita water usage <br />(including both residential and commercial/industrial) in Ramsey averages between 130 <br />and 150 ~d per capita. The total projected water usage for the RTC development is <br />est/mated to be about ~.631 MGD. Dividing this number by the upper usage of 150 gpd <br />yields an equivalent design population for the RTC of approximately 10,900. Tiffs <br /> <br />-44- 1.3-6 <br /> <br /> <br />