C-3 C15-2020-0043 PRESENTATION PART1 — original pdf

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LAKE AUSTIN OVERLAY  ZONING (LA) IMPERVIOUS  COVER VARIANCE REQUEST Part 1 Address: 4708 Colorado Crossing, Austin 78731 Case Number:  C15‐2020‐0043 Applicant: Katherine Loayza C-3/1-P14708 Colorado Crossing, Austin 78731 Case Number:  C15‐2020‐0043 • Variance from the Lake Austin Overlay zoning slope impervious cover restrictions, Section 25-2- 551(c) to allow an additional 80.6 square feet of impervious cover for the construction of a 348 sq. foot swimming pool. • Other impervious cover included in the variance request (144 square feet) for an existing play scape (51 sq. ft.) and play house (93 sq. ft.) which do not require a building permit. • Lot size is 11,643 sq. ft. or 26% of one acre, the minimum lot size in the LA zoning overlay district – the LA overlay was adopted in 1984, after the property was platted in 1982 • 74% of the lot is on slopes 15% - >35% – the LA zoning only allows a total of 413 square feet of impervious cover on this area of the property and 1,074 square feet on 0-15% slopes • The existing house was built subject to SF-2 zoning impervious cover standards, not LA zoning. The BOA granted an increase in impervious cover in 2015 to allow improvements to the rear deck area. AUSTIN |  DALLAS |  FORT WORTH  |  HOUSTON  |  SAN ANGELO  |  SAN ANTONIO | TEXARKANA C-3/2-P14708 Colorado Crossing, Austin 78731 Case Number:  C15‐2020‐0043 Summary of variance request: Increase the allowed LA zoning slope impervious cover by: •37.3 square feet in the 0-15% slope category – play scape – existing impervious cover 56.1%/proposed 57.3% •31.6 square feet in the 15%-25% slope category – some of the play scape – existing impervious cover 73.4%/proposed 74.4% •27.5 square feet in the 25%-35% slope category – pool coping and some of the play house – existing impervious cover 17.1%/proposed 18.6% •127.5 square feet in the >35% slope category – pool coping and some of the play house – existing impervious cover 9.4%/proposed 13% •Total Increase in impervious cover 225 square feet (rounded up) – 40.2% - 42.2% of the total lot AUSTIN |  DALLAS |  FORT WORTH  |  HOUSTON  |  SAN ANGELO  |  SAN ANTONIO | TEXARKANA C-3/3-P1ZONING MAP OF THE NEIGHBORHOOD 4708 Colorado Crossing, Austin 78731 Case Number:  C15‐2020‐0043 AUSTIN |  DALLAS |  FORT WORTH  |  HOUSTON  |  SAN ANGELO  |  SAN ANTONIO | TEXARKANA C-3/4-P1AERIAL VIEW 4708 Colorado Crossing, Austin 78731 Case Number:  C15‐2020‐0043 AUSTIN |  DALLAS |  FORT WORTH  |  HOUSTON  |  SAN ANGELO  |  SAN ANTONIO | TEXARKANA C-3/5-P1C-3/6-P1