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MGD flow to north barrier island communities within IRCDUS service area, additional 1.0 MGD to JI, an additional 0.153 MGD for the Shores and River Club, and additional flow allocation for the COVB service area determined below: D-1. (refer to Appendix C, p. EX -10). Existing 16" transmission line on CR 510 to A -1-A, which feeds a new 16" Transmission line south to Sea Oaks and a new tank (3 MG). New Pumps at Sea Oaks to distribution mains: 8" exist line north to Windsor, 12" new line south to Old Winter Beach Road -(Bridge : 10.6 psi / Tank delivery : 15.3 psi / Windsor : 7.3 psi / JI : 64.8 psi) - (Max Capacity: 4.34 MGD: 1.964 MGD IRCDUS SA, 1.0 MGD JI, 0.153 MGD Shores/ River Club, 1.22 MGD additional for COVB SA) D-2. (refer to Appendix C, p. EX -11). Existing 16" transmission line on CR 510 to A -1-A, which feeds an existing 8" line north to Windsor, and a new 16" line south to Sea Oaks and a new tank (3 MG). New pumps to distribution mains: 8" exist line north to Disney, 12" new line south to Old Winter Beach Road. - (Bridge : 27.5 psi / Tank delivery : 43 psi / Windsor ; 5.0 i / JI : 74.4 psi) -(Max Capacity: 3.51 MGD: 1.964 MGD IRCDUS SA, 1.OJilGD JI, 0.153 MGD Shores/River Club, 0.39 MGD additional for COVB SA) D-3. (refer to Appendix C, p. EX -12). All reuse to island fed from Hobart Tank and pumps. There is not a new tank or pumps at Sea Oaks. xistang 16" transmission line on CR 510 to A -1-A, which feeds the existing 8" line north to Win~ o , and feeds both the new 16" line and existing 8" line south to Sea Oaks (parall -1 a'ns), whir, reduces to a new 12" line from Sea Oaks south to Old Winter Beach Road. -(Bridge : 27.5 psi / No Tank / Wi dsor : . ' : 34.1 psi) -(Max Capacity: 3.51 MGD: 1.9 • ' IR D S SA, 1.0 MGD JI, 0.153 MGD Shores/ River Club, 0.39 MGD additional fo Note: D-1 provides the highest same 3.51 MGD capacity However, D-3 provides th cap city of 4.34 MGD. While D-2 and D-3 provide the s hh gher and more consistent delivered pressures. w without a tank or pumps, but at very low pressures. Comprehensive Reuse System Improvements The ability for IRCDUS to deliver additional reuse water to the North Barrier Island will require meeting several system needs: 1. Adequate available reuse water: Currently the total available reuse water quantity is 4.68 MGD from all the IRCDUS wastewater treatment plants. With 0.52 MGD diverted from the artificial wetlands to the Hobart storage tank, under current operating conditions, there is 1.097* MGD available that can be pumped to the North barrier Island. (Existing IRCDUS service area customers on the barrier island currently receive 0.577 MGD, which results in 0.512 MGD of unallocated flow that is available to John's Island or other potential customers on the island. There is an estimated 4.22 MGD maximum potential demand from existing and proposed communities on the North Barrier Island, but 1.097 MGD* available. IRCDUS may want to pursue the availability of other water sources, such as mixing surface waters with the reuse waters from the IRFWCD or other sources or re -allocating the distribution of reuse water. 159 9