B4 Backup — original pdf

Backup

Plaza Volente Residential – N FM 620 & Anderson Mill SER #4652 Full Purpose Aspen Heights 215 Unit MF Project SER #4629 approved in 2020 Limited Purpose Subject Property 2-Mile ETJ Zoning and Annexation • The 9.4 Acre tract was rezoned to MF-2 and voluntarily annexed into full purpose COA on June 4, 2020. • Neighborhood Support was given based on 200’ building setback along eastern property line and Hill Country Roadway landscaping compliance on the 25 acre tract in the ETJ. • Developer committed to future voluntary annexation of the 25 acre tract currently in the ETJ (Resolution No. 20200611-097). Copy of Resolution attached in the next two slides. • Water Supply Suburban will control allowable impervious cover. Environmental Protection • WPD Staff, including Hydrogeologist and Wetlands Biologist, visited the property on multiple occasions since August 2020. • At the request of Staff, the project is maintaining existing storm water drainage patterns to the CEF features (wetlands). • On-site and off-site storm water flows are collected using a series of water quality controls including rain gardens and biofiltration ponds that recharge the wetland CEFs to promote & sustain healthy wetland ecology within the CEF buffer areas. • This enhanced recharging of the wetland features goes beyond current conditions that exist today and should benefit downstream, off-site habitat of the Jollyville salamander in Bull Creek. • The 25 acre tract is already in the BCCP and the 9.4 acre tract will be submitted in the future. Site Plan Review (SP-2020-0427C) • No environmental variances requested. • Standard CEF setbacks maintained. • New karst CEF accounted for in plan that was not previously shown on historical site plans. • Hill Country Roadway landscaping requirements imposed along ETJ frontage. • Tree Care Plan will be implemented with the Certified Arborist. • City of Austin Watershed Protection and Environmental Staff performed multiple site visits to the property for field inspection of ERI report findings. • Site plan heavily coordinated with Watershed Protection and COA Drainage to ensure wetland CEF features are adequately recharged. Site Plan Review 246 units on 25 Acres and 126 units on 9.4 Acres Wastewater SER #4652 • Requires $2.5 - $3MM in off-site WW upgrades within the full purpose COA • Proposed wastewater connection located within 9.4 acre full purpose COA contiguous to Plaza Volente lift station • ERI & Geologic Assessment completed along the SER proposed WW alignment which included off-site review. o No CEFs present Site History (25 Acres Only) • Previous cases proposed development within CEF buffers and Critical Water Quality Zone requiring environmental variances. • No criteria outlined for Staff to formally support a request of this nature 336 units on 25 acres Aspen Heights Multifamily Project