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ta <br />www.FinanceDTA.com <br />APPENDIX C <br />PROPOSED INFRASTRUCTURE <br />IMPROVEMENTS <br />Community Benefits of land development infrastructure improvements include the <br />following: <br />1. The Storm Drain Master Plan recommends upgrades to the City's storm drain system <br />at Sunflower Avenue (54-inch and 60-inch to a 72-inch) and S. Plaza Drive (36-inch <br />and 42-inch to 42-, 54-, and 60-inch). <br />2. LID BMPs will be implemented through site design measures and source controls to <br />reduce pollutants in storm water discharges. LID BMPs are engineered facilities that <br />are designed to retain or biotreat runoff on the Project site. <br />3. Modular wetlands are included as a method of biotreatment. Modular wetlands are <br />proprietary biotreatment systems that utilize multi -stage treatment processes <br />including screening media filtration, settling, and biofiltration. <br />4. The existing 12-inch waterline in Callen's Common will be replaced and new <br />connections will be provided for the proposed on -site water facilities. The existing <br />connections of the waterline in Callen's Common at South Plaza Drive and South <br />Bristol Street will be replaced with new connections to the existing mains. <br />5. As part of Project implementation, an administrative police substation (no transfers <br />or bookings) will be located within the Specific Plan area. <br />6. Projects to be developed within the Specific Plan area will pay statutory school fees <br />at the time of building permits unless otherwise provided for as part of an agreement <br />with the Santa Ana School District. Based upon preliminary unit sizes and assuming <br />school fees do not escalate, the residential school impact fee is estimated to be about <br />$15,000,000 and the commercial school fee is estimated to be $273,000. <br />Anticipated improvements for the South Bristol Street public right of way include the <br />following: <br />1. Widened parkway, tree -lined streets, and planted setback areas; <br />2. New curb cuts for ingress/egress to/from Bristol Street; <br />3. Potential right-of-way dedication for deceleration lanes; <br />4. Potential median modifications; <br />5. Potential signalization of the driveway between Callen's Common and Sunflower <br />Avenue; and <br />6. Construction of bikeway improvements per the City's design. <br />Planned improvements for West MacArthur Boulevard include the following: <br />1. Addition of an intersection for a new north/south local neighborhood street (Bristol <br />Paseo); <br />2. Curb cut at the intersection of the residential shared street; <br />Related Bristol at 3600 South Bristol Street <br />Community Benefits Analysis Report <br />Exhibit 10 <br />September 2Z 2023 <br />