SOS: presentation — original pdf

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Brodie Oaks Redevelopment SOS Amendment 4107 S Capital of Texas Highway C814-2021-0099 Leslie Lilly Environmental Program Coordinator Watershed Protection What is an SOS Amendment • 1992 Save Our Springs ordinance adopted by citizen initiative • Per 25-8-515, variances to SOS are not allowed • Supermajority of Council must approve amendments to SOS • Council Resolution 20221011-076 on October 13, 2022: • “ The City Manager is directed to initiate site specific variances ….. Brodie Oaks Planned Unit Development • A Planned Unit Development (PUD) is a type of site development and regulatory process established by city ordinance for a tract of land. • The SOS amendment is being considered concurrent with the Brodie Oaks PUD ordinance • SOS Initiative prohibits the ability of a PUD Ordinance to modify SOS Full Purpose Jurisdiction Barton Springs Watershed Barton Springs Zone Edwards Aquifer Recharge Zone 37.6 Acres 84% Impervious Cover Edwards Aquifer Recharge Zone SOS Requirements • Impervious cover in the Edwards Aquifer Recharge Zone is 15% NSA, 20% NSA in the Contributing Zone undeveloped conditions. • Water Quality Controls required for runoff from all impervious cover to meet Land Use Plan for Brodie Oaks PUD Water Quality for Brodie Oaks PUD SOS Amendment • Section A of 25-8-514 (Pollution Prevention Required) shall be modified to allow a maximum impervious cover for the site of 54% net site area. PUD Ordinance • • • • 25-8-341 shall be modified to allow cut not to exceed a maximum of fourteen (14) feet as indicated on Exhibit G. 25-8-342 shall be modified to allow fill not to exceed a maximum of fourteen (14) feet as indicated on Exhibit G. 25-8-281 shall be modified to allow encroachment into CEFs as indicated on Exhibit F. ECM 1.6.7.5 (D) shall be modified to allow captured runoff for beneficial reuse Critical Environmental Features Grading Plan Staff Recommendation Recommended with the following conditions provided in Brodie Oaks PUD Ordinance: • Reduction in impervious cover from 86% NSA to 54% NSA • Bring the site into compliance with SOS water quality treatment requirements • Clustering impervious cover 100-300’ away from Barton Creek • Provides rainwater harvesting for landscape irrigation of not less than 50% of the landscaped • Restoring 2 acres of the tract to native vegetation • Provide 100% GSI for water quality controls. area. • Provides superior tree protections. • Complies with Austin Green Building 3-star rating • Provide superior opens pace and parkland dedication • Exceed landscaping requirements. Questions? Contact Information: Leslie Lilly leslie.lilly@austintexas.gov