20200219-006a: Lantana Project Consent Agreement — original pdf

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ITEM FOR ENVIRONMENTAL COMMISSION AGENDA COMMISSION MEETING DATE: NAME & NUMBER OF PROJECT: February 19, 2020 Lantana PCA NAME OF APPLICANT OR ORGANIZATION: Michael Whellan Armbrust & Brown, PLLC LOCATION: 7415 Southwest Parkway COUNCIL DISTRICT: 8 ENVIRONMENTAL REVIEW STAFF Atha Phillips, Environmental Officer’s Office (512)974-2132, atha.phillips@austintexas.gov WATERSHED: REQUEST: STAFF RECOMMENDATION: RECOMMENDED CONDITIONS: Williamson Creek Watershed, Barton Springs Zone, Drinking Water Protection Zone Consider a Project Consent Agreement waiving provisions of City Code Chapters 25-7 (Drainage) and 25-8 (Environment), including Chapter 25-8, Article 13 (Save Our Springs Initiative), to allow construction of a mixed-use residential project located at 7415 Southwest Parkway in the East Oak Hill Neighborhood Planning Area. This action concerns land located in the Barton Springs Zone. Staff recommended with conditions. 1. Applicant will provide additional acreage of 3.098 acres to meet the Hill Country Roadway requirement of 40% undisturbed natural area per 25-2-1025 and development on this lot will be restricted to only allow trails. 2. Impervious cover for the project will be capped at 17.5 acres (49% of current site plan SP-2014-0262C(XT2)). Project Consent Agreement Lantana (PCA) Briefing to the Environmental Commission Atha Phillips Environmental Officer’s Office February 19, 2020 What is a PCA? • PCA = Project Consent Agreement • PCAs are part of the 245 process detailed in 25-1-544 • PCAs are considered when the extent of a project’s vested rights are unclear and for incentivizing projects with clearly established vested rights to achieve greater compliance with current regulations • The 245 process lives within the Development Services Department • DSD has determined that this project is a candidate for a PCA Site Data: • Williamson Creek Watershed • Barton Springs Zone (SOS Applies) • Drinking Water Protection Zone • Contributing Zone of the Edwards Aquifer • Full-Purpose • Existing approved site plan (SP-2014-0262C(XT2)) • Existing project has vested rights under 245 • Existing site plan wants to change zoning from Office to Mixed Use • Mixed Use would allow for multi-family use • Existing Preliminary Plan referenced within the vesting documents limits multi-family Site Location Austin ETJ Austin City Limits Edwards Aquifer Recharge Zone Edwards Aquifer Contributing Zone Hwy 290 West Site Location Barton Creek Watershed Williamson Creek Watershed Watershed Boundary Site Location Site Location Site Location Current Code Amendments: Modification to 25-8 Environmental: 1. 25-8-301 Restricts driveways of slopes greater than 15% • Project shall not exceed 65% impervious cover on slopes 10-20%, nor 25% on slopes greater than 20% 25-8-302 Restricts building on certain slopes • Project shall not exceed 65% impervious cover on slopes 10-20%, nor 25% on slopes greater than 20% 25-8-341 Cut requirements-Allows up to 4’ of cut • Project is allowed 12’ 25-8-342 Fill requirements-Allows up to 4’ of fill • Project is allowed 12’ 2. 3. 4. Save Our Springs(SOS) Amendment: 1. Impervious cover over the allowable amount of 25% NSA • Project is allowed up to 60% 2. SOS water quality • Project has existing sedimentation/filtration pond that does not meet the non-degradation requirement outlined in SOS Tract 1 6.326 acres 3.098 acres towards 40% Natural Area Development within this area will be restricted to trails Staff Recommendation Recommendation: Recommended with conditions 1. Impervious cover will be capped at 17.5 acres (49% of current site plan SP-2014-0262C(XT2)) 2. Applicant will provide additional acreage of 3.098 acres to meet the Hill Country Roadway requirement of 40% undisturbed natural area per 25-2-1025 and development within this are will be restricted to only allow trails Questions? Contact Information: Atha Phillips Environmental Officer’s Office (512) 974-2132 Atha.Phillips@austintexas.gov