20220504-003a: Pinnacle at Wildhorse C8-2021-0152 Staff Presentation — original pdf

Backup

Pamela Abee-Taulli Environmental Program Coordinator Development Services Department PINNACLE AT WILDHORSE RANCH 12000 BLUE BLUFF RD, AUSTIN 78724 C8-2021-0152 PROJECT LOCATION Site Location Austin ETJ Austin City Limits Edwards Aquifer Recharge Zone Edwards Aquifer Contributing Zone 2 This product is for informational purposes and may not have been prepared for or be suitable for legal, engineering, or surveying purposes. It does not represent an on-the- ground survey and represents only the approximate relative location of property boundaries. This product has been produced by the Watershed Protection Department for the sole purpose of geographic reference. No warranty is made by the City of Austin regarding specific accuracy or completeness. [0510MilesPROJECT LOCATION Site Location 3 [PROPERTY DATA • Gilleland Creek Watershed • Suburban Classification • Desired Development Zone • Full Purpose Jurisdiction • Not located over Edwards Aquifer Recharge Zone • 2 Wetland Critical Environmental Features • Council District 1 4 [THE DEVELOPMENT • Single family residential lots. • Water quality and detention facilities. • Right of way. 5 [VARIANCE REQUESTS § 25-8-341 - CUT REQUIREMENTS. (A) Cuts on a tract of land may not exceed four feet of depth. 1. The variance request is to allow cut over 4 feet to15 feet. § 25-8-342 - FILL REQUIREMENTS. (A) fill on a tract of land may not exceed four feet of depth. 2. The variance request is to allow fill over 4 feet to 15 feet. 6 VARIANCE REQUESTS Grading 1. Cut to 15 2. Fill to 15 7 [VARIANCE REQUESTS Grading 1. Cut to 15 2. Fill to 15 8 [VARIANCE REQUESTS Grading 1. Cut to 15 2. Fill to 15 9 [VARIANCE REQUESTS Grading 1. Cut to 15 2. Fill to 15 10 [VARIANCE REQUESTS BACKGROUND Constraints • Slopes at or exceeding 15 percent grade. Site Location 11 [VARIANCE REQUESTS BACKGROUND Constraints • Slopes at or exceeding 15 percent grade. • Two wetland Critical Environmental Features (CEFs) Site Location Wetland Wetland buffer 12 [• Similar variances have been granted for projects with similar code Is necessitated by topographic features, not design choice; Is the minimum deviation from the code; and Is unlikely to result in harmful environmental consequences. • Water quality will be equal to water quality without the variance. VARIANCE RECOMMENDATION requirements. The variance • • • • 13 VARIANCE CONDITIONS Staff recommends the variances, with the following conditions. 1. The applicant will provide enhanced vegetation for the wetland critical environmental features. 2. Grading over 8 feet will be terraced or contained with walls. 3. Water quality requirements will be met by using biofiltration, a green storm water quality infrastructure. 14 THANK YOU Questions? THE DEVELOPMENT Site Location • Single family residential lots. • Water quality and detention facilities. • Right of way. [