Item 2: 5811 Southwest Parkway SOS Amendment Applicant's Presentation — original pdf

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Austin Environmental Commission Sarah B. Faust, attorney Faust Law PLLC Lauren Ross, Environmental Engineer Glenrose Engineering August 19, 2026 Proposed SOS Amendment for 5811 Southwest Parkway SPC-2025-0066C Parcel Location: 5811 Southwest Parkway Development Plan: Day Care Facility to serve 250 children with covered play area, and sport court Reduces car trips and vehicles on roadways Meets an outstanding environmental design standards City Council Resolution: 31 January 2019 City Council Resolution 2019131-040 Resolution Provision No increase in existing site impervious cover. Compliance Yes. If feasible, decrease impervious cover. Yes. An impervious area reduction of 688 sf. Provide Water Quality Treatment consistent with 25-8-26. Incorporates additional environmental and resource efficient strategies. Meets Hill Country Roadway regulation requirements. Yes. Water quality treatment meets the SOS standard of no increase in average annual pollutant loads provided for the entire site. Yes. Discussed in detail below. Yes. Project is dedicating 17 feet to SW Parkway ROW. Parking is 110- feet offset from dedicated ROW. Building is 175 feet from dedicated ROW and meets height restrictions. §25-8-26 Redevelopment Exception in the Barton Springs Zone Code Requirement No increase in existing site impervious cover. Compliance Yes. No increase in non-compliance with CWQZ, CEFs, Wetlands, or WQTZ. Yes. None of these sensitive areas present on site. Compliance with Environmental Resource Inventory Requirement. Yes. No sensitive features Compliance with all construction phase environmental requirements. Yes. Water quality treatment must be equal to or greater than previously provided. Yes. Historically there was no water quality treatment. The proposed system will mee the highest City standards for the entire site. §25-8-26 Redevelopment Exception in the Barton Springs Zone Code Requirement Compliance Redevelopment prohibited within the Erosion Hazard Zone without protective works. Yes. No Erosion Hazard Zone on the site. Mitigation land requirement for sedimentation/filtration water quality treatment. Not Applicable. Water quality treatment fully meets SOS referendum standard on site. Existing Abandoned Mobile Home Park 44,684 sf Impervious Area Dilapidated Onsite Septic Sewage Systems and Failing Drain Fields  Image here Proposed Site Plan 2 Electric Vehicle Charging Stations Additional Project Environmental Enhancements Dark Skies Lighting Design Informative Environmental Signage 4-inch caliper minimum Enhanced Landscape Design Native Plants And Grasses Native grass and plant landscape Sidewalk/ Boardwalk along Southwest Parkway to provide future bike/ pedestrian connectivity. Elevated boardwalk along Southwest Parkway to preserve heritage tree roots As Recommended by the Environmental Commission: Replacement trees increased from 32 to 42 As Recommended by the Environmental Commission: landscape plan will be updated to require bird-friendly, native species Questions Impervious Area: ADA Access Fire Lane Staff Parking (33) Family Drop Off (18) Accessible Spaces (2) Impervious Area History Condition Area sq ft Impervious Area Reduction sq ft % Impervious Site Area (sf) 131,813 Base Impervious Area : January 2019 48,647 ~ ~ ~ 36.9% Base Impervious Area: September 2026 44,684 3,963 33.9% Site Plan Impervious Area 44,013 671 33.4% 5811 Southwest Parkway Property Entrance – Eastbound SW Pkwy