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Docusign Envelope ID: DA4FA5BF-D9AF-4543-AD49-B8F98E2726F6 <br /> Appendix A-Basis of Design <br /> • • <br /> • 0 0 0 0 • <br /> 0 200 0 160 120 �'• <br /> c° 440 150 320 360 1 <br /> • 690 330 334 600 <br /> 990 530 334 840 <br /> 1340 755 334 1080 •• <br /> 1690 980 334 1320 <br /> 0 2040 1205 334 1560 <br /> • 2390 1400 334 1800 <br /> • 2645 1 1400 334 1869 <br /> • <br /> The LUEs are used as an estimation of the typical wastewater flow produced by a single-family <br /> residence and each LUE is equal to 200 gallons per day for the purposes of this project Based on the <br /> actual progress of the residential developments,an updated LUE absorption schedule(s)will be <br /> maintained by the City and their Owner Advisor as the project progresses. <br /> Preliminary planning based described above has identified to need for a phased approach to <br /> construction of the Facility with an initial phase capable of treating a permitted ADF of at least 2.0 <br /> MGD.The need for future expansions to the Facility are expected based on the anticipated <br /> construction of additional residential developments,and total build-out of the proposed Facility is <br /> expected to be capable of treating a permitted ADF of 8.0 MGD.Each phase is expected to <br /> accommodate a peaking factor of 3.2 consistent with the City's wastewater master plan. <br /> Anticipated wastewater flows are expected to be primarily sourced from residential developments. <br /> Some commercial and pretreated industrial wastewater flows are expected as residential <br /> developments expand in the future.Anticipated wastewater characteristics for influent to the <br /> proposed Facility are based on the City's wastewater master plan and are included below in Table 2-3. <br /> Table 2-3 Expected Wastewater Influent Characteristics <br /> Influent Average Peak Load <br /> Characteristic Load (mg/L) (mg/L) <br /> CBOD5 218 225 <br /> TSS 172 270 <br /> NH3-N 34 39 <br /> TKN 6 7 <br /> 2.3 Effluent Quality & Discharge Permit <br /> A TPDES permit application is currently being prepared with submittal to TCEQ expected by the end <br /> of 2024.Pre-application coordination with TCEQ has been ongoing,and the expected TPDES permit <br /> MCLs anticipated are shown in Table 2-4. <br /> ARDURRA 2-3 <br />