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MEMORANDUM <br />Rice Creek Commons Water Distribution System Modeling Results Update <br />January, 2025 <br />Page 5 <br />H:\KIMLEYHO_PR\0T4133552000\2_Preliminary\C_Reports\Preliminary Design Report Update\Report Update\Water Preliminary Engineering Analysis\Memo-Rice Creek Commons Water <br />Distrib Sys Modeling Results Update Final Draft 01.24.2025.docx <br />Test <br />*Measured <br />Static Pressure <br />*Modeled <br />Static <br />Pressure <br />Modeled <br />Static <br />Pressure Model <br />No. Location (PSI)(PSI)(PSI)Node <br />1I35W & HWY96 95 94 98 J-170 <br />2 I35W & TransferRd 100 100 99 J-17 <br />3 Snelling Ave. & McClung Dr 85 87 90 J-114 <br />4 Royal Lane & FloralDr.70 72 70 J-407 <br />5 Pleasant Lk. Dr. & Darth LkDr 78 73 78 J-292 <br />6 Lexington Ave & Red FoxRd 58 54 59 J-620 <br />7 Chatham Ave W of Chatham Ct.62 63 68 J-332 <br />8 Cty Rd F & Moundsview HS 70 71 72 J-298 <br />9 Cty Rd E & Tony Schmidt Park 83 84 88 J-111 <br />10 Cleveland Ave & Kattie Lane 71 71 70 J-378 <br />11 Hamline Ave. & Tiller Lane 79 78 86 J-364 <br />12 Lexington Ave. & LakeviewAve.62 64 69 J-437 <br />13 Cleveland Ave. & Glen PaulAve 75 75 75 J-458 <br />14 Lake Johanna Ave. & Glen Paul Ave.68 67 69 J-100 <br />15 Hamline Ave. & Glenhill Rd.76 84 77 J-46 <br />*Obtained from Exhibit 3 in the 1990 Water System Master Plan by Maier Stewart and Associates, Inc. <br />Comparisons were also made to numerous hydrant tests provided by Arden Hills. Generally, the model <br />results were similar to the information contained in the hydrant tests. However, some of the supplied <br />hydrant tests were very old and, in some cases, significant modifications to the distribution system <br />have been constructed since the hydrant testing was accomplished, which could significantly affect <br />the interpretation of theseolder results. Another general uncertainty with hydrant test data is that <br />tank levels, pump operations, and flow conditions were not recorded at the time of the field data <br />collection, which could also significantly affect the interpretation of these results. <br />These results indicate a reasonable comparison between the model results and the provided field <br />data. <br />The model was then used to evaluate the integration of the proposed TCAAP redevelopment site to <br />determine the system’s ability to meet consumptive water use and its ability to provide water for <br />firefighting purposes on the expanded system. As part of the evaluation, pipe sizes, new storage <br />facilities and improvements to the existing system were analyzed to develop all of the components <br />required to meet the demands of the system. <br />Modeling for Evaluation of TCAAP Redevelopment Site <br />The TCAAP/RCC development site was added to the updated model based on the latest land use <br />(included in Appendix B), demand estimates, planning layout, and development phases. The TCAAP/RCC <br />development site was examined under steady-state and extended period simulation (EPS) to determine