F-2 LA ZONING PRESENTATION — original pdf

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Lake Austin (LA) Zoning - City of Austin Susan Barr Board of Adjustment Board Meeting – September 13, 2021 Building a Better Austin Together F-2/1-PRESENTATIONPURPOSE • The purpose of the Lake Austin (LA) Zoning and the Lake Austin (LA) Overlay District: is to protect the scenic, recreational, and environmental benefits of Lake Austin by restricting the scale and intensity of development near the lake Building a Better Austin Together F-2/2-PRESENTATIONPURPOSE § 25-2-551 LAKE AUSTIN (LA) DISTRICT REGULATIONS. (A) In this section: (1)SHORELINE means the 492.8 topographic contour line along the shores of Lake Austin. (2)SHORELINE SETBACK means a line parallel to the shoreline and at a distance from the shoreline that is prescribed in this section. (3)SHORELINE SETBACK AREA means an area between the shoreline and the shoreline setback. (B)This subsection specifies shoreline setbacks in a Lake Austin (LA) district. (1)The shoreline setback is: (a)75 feet; or (b)25 feet, if: (i)the lot is located in a subdivision plat recorded before April 22, 1982, or is a legal tract exempt from the requirement to plat; and (ii)the distance between the shoreline and the front lot line, or the property line of a legal tract, is 200 feet or less. (2)A shoreline setback area is excluded from impervious cover calculations. (3)No structures are allowed in a shoreline setback area, except that: (3)For a lot included in a subdivision plat recorded before April 22, 1982, or a tract that is not required to be platted, impervious cover may not exceed: (a)a chord width of not less than 33 feet at the front lot line; (b)a width of not less than 60 feet at the front yard setback line; and (c)a width of not less than 100 feet at all points 100 feet or more behind the front lot line. (2)For a lot included in a subdivision plat recorded after April 22, 1982, impervious cover may not exceed: (a)20 percent, on a slope with a gradient of 25 percent or less; (b)10 percent, on a slope with a gradient of more than 25 percent and not more than 35 percent; or (c)if impervious cover is transferred under Subsection (D), 30 percent. (a)35 percent, on a slope with a gradient of 15 percent or less; (b)10 percent, on a slope with a gradient of more than 15 percent and not more than 25 percent; (c)5 percent, on a slope with a gradient of more than 25 percent and not more than 35 percent; or (d)40 percent, if impervious cover is transferred under Subsection (D). (D)This subsection authorizes the transfer of impervious cover in a Lake Austin (LA) district. (1)Impervious cover may be transferred only: (a)between tracts within an LA district; and (b)from land with a gradient of 35 percent or less, to land with a gradient of 15 percent or less. (a)a bulkhead, retaining wall, fence, dock, public boat ramp, non-mechanized pedestrian access facility, or marina may be constructed and maintained in accordance with applicable regulations of this title; and (b)an on-site sewage facility may be constructed and maintained in accordance with the applicable regulations of Chapter 15-5 (Private Sewage Facilities). (C)This subsection specifies lot width and impervious cover restrictions in a Lake Austin (LA) district. (1)If a lot fronts on a cul-de-sac and is included in a subdivision plat recorded after April 22, 1982 or is exempt from the requirement to plat it must have: (2)Land from which impervious cover is transferred must remain undisturbed, if the land exists in a natural condition, or be restored to a natural condition as prescribed by the Environmental Criteria Manual. (3)A transfer of impervious cover must be documented in a manner approved by the director and documented in the county deed records. (E)This subsection specifies additional development standards based on slope gradient in a Lake Austin (LA) district. (1)On a slope with a gradient of more than 15 percent: (a)vegetation must be restored with native vegetation, as prescribed by the Environmental Criteria Manual, if it is disturbed or removed as a result of construction; and (b)construction uphill or downhill from the slope must comply with the Environmental Criteria Manual. (2)On a slope with a gradient of more than 35 percent, development is prohibited except for the construction of a fence, driveway, road or utility that cannot be reasonably placed elsewhere, or a non-mechanized pedestrian facility, such as a foot path, sidewalk, or stairs. (F)In an LA district, a person may transfer impervious cover in accordance with this subsection. (1)Impervious cover may be transferred only: (a)between tracts within an LA district; and (b)from land with a gradient of 35 percent or less, to land with a gradient of 15 percent or less. (2)Land from which impervious cover is transferred may not be developed. The land must either remain undisturbed or be restored to a natural state. (3)A transfer of impervious cover must be described in a restrictive covenant that runs with the land, is approved by the city attorney, and is recorded in the county deed records. Source: Section 13-2-631; Ord. 990225-70; Ord. 031211-11; Ord. No. 20140626-113, Pt. 2, 7-7-14 ; Ord. No. 20160922-048 , Pt. 1, 10-3-16. Building a Better Austin Together F-2/3-PRESENTATIONLake Austin (LA) Zoning 25-2-551 - LAKE AUSTIN (LA) DISTRICT REGULATIONS. (A) In this section: (1) SHORELINE means the 492.8 topographic contour line along the shores of Lake Austin. Building a Better Austin Together F-2/4-PRESENTATIONLake Austin (LA) Zoning 25-2-551 - LAKE AUSTIN (LA) DISTRICT REGULATIONS. (A) (2) SHORELINE SETBACK (492.8’ elevation contour line) (A) (3) SHORELINE SETBACK AREA (B) (2) shoreline setback area is excluded from impervious cover calculations 25-1-22 - Measurements (A) Lot area…excluding the portion… (2) that is located below 492.8’ of elevation above sea level, if adjacent to Lake Austin. Shoreline Shoreline Setback Property stats: • Property is legal tract exempt from plat • distance between the shoreline and the front lot line is 200 feet or less • 25’ shoreline setback Building a Better Austin Together F-2/5-PRESENTATIONLake Austin (LA) Zoning (i) the lot is located in a subdivision plat recorded before April 22, 1982, or is a legal tract exempt from the requirement to plat; and (ii) the distance between the shoreline and the front lot line, or the property line of a legal tract, is 200 feet or less. (B) (1) Shoreline Setback: (a) 75 feet; or (b) 25 feet, if: Property stats: • Property is legal tract exempt from plat • distance between the shoreline and the front lot line is 200 feet or less • 25’ shoreline setback where distance is 200’ or less, 75’ where >200’ 212’ 199’-11” 192’ Building a Better Austin Together F-2/6-PRESENTATIONLake Austin (LA) Zoning (B) (1) Shoreline Setback: (a) 75 feet; or (b) 25 feet, if: (i) the lot is located in a subdivision plat recorded before April 22, 1982, or is a legal tract exempt from the requirement to plat; and (ii) the distance between the shoreline and the front lot line, or the property line of a legal tract, is 200 feet or less. Building a Better Austin Together F-2/7-PRESENTATIONLake Austin (LA) Zoning Slope Map requirements: (C) (2) For a lot included in a subdivision plat recorded after April 22, 1982, impervious cover may not exceed: (a) 20 percent, on a slope with a gradient of 25 percent or less; (b) 10 percent, on a slope with a gradient of more than 25 percent and not more than 35 Date LA zoning became code. percent; or (c) if impervious cover is transferred under Subsection (D), 30 percent. (C) (3) For a lot included in a subdivision plat recorded before April 22, 1982, or a tract that is not required to be platted, impervious cover may not exceed: (a) 35 percent, on a slope with a gradient of 15 percent or less; (b) 10 percent, on a slope with a gradient of more than 15 percent and not more than 25 percent; percent; or (c) 5 percent, on a slope with a gradient of more than 25 percent and not more than 35 (d) 40 percent, if impervious cover is transferred under Subsection (D). Building a Better Austin Together F-2/8-PRESENTATIONLake Austin (LA) Zoning Slope Map per (C) (3) : (a) 35 percent, on a slope with a gradient of 15 percent or less; (b) 10 percent, on a slope with a gradient of more than 15 percent and not more than 25 percent; (c) 5 percent, on a slope with a gradient of more than 25 percent and not more than 35 percent; or (d) 40 percent, if impervious cover is transferred under Subsection (D). Add’l development standards on slope gradient: (E) (1) slope with a gradient >15%: (a) vegetation must be restored with native vegetation per Environmental Criteria Manual (ECM); and (b) construction uphill or downhill from the slope per ECM (2) slope with a gradient >35%, development is prohibited except for the construction of a fence, driveway, road or utility that cannot be reasonably placed elsewhere, or a non-mechanized pedestrian facility, such as a foot path, sidewalk, or stairs. Building a Better Austin Together F-2/9-PRESENTATIONLake Austin (LA) Zoning Slope Transfer: (D)/(F) (1) Impervious cover may be transferred only: (a) between tracts within an LA district; and (b) from land with a gradient of 35 percent or less, to land with a gradient of 15 percent or less. (2) Land from which impervious cover is transferred may not be developed. The land must either remain undisturbed or be restored to a natural state. (3) A transfer of impervious cover must be described in a restrictive covenant that runs with the land, is approved by the city attorney, and is recorded in the county deed records. Building a Better Austin Together F-2/10-PRESENTATIONLake Austin (LA) Overlay District Building a Better Austin Together F-2/11-PRESENTATIONLake Austin (LA) Overlay District 25-2-180 – Lake Austin (LA) Overlay District (B) …land that is located within 1,000’ of the shoreline of Lake Austin and is: (1) Located within LA, I-LA, DR, PUD, RR or I-RR; or (2) Located on a site of one acre or more that is: (i) Comprised of 2 or more lots on or after June 24th,2014; and (ii) Zoned or rezoned SF-1, SF-2, SF-3, SF-4A, SF-5, or SF-6. 25-2-647 – Lake Austin (LA) Overlay District Regulations …must comply with 25-2-551 and the minimum lot size, minimum lot width and setbacks for LA under 25-2-491 Date overlay became code. Building a Better Austin Together F-2/12-PRESENTATIONLake Austin (LA) Overlay District (B) …land that is located within 1,000’ of the shoreline of Lake Austin and is: (1) Located within LA, I-LA, DR, PUD, RR or I-RR; or (2) Located on a site of one acre or more that is: (i) Comprised of 2 or more lots on or after June 24th,2014; and (ii) Zoned or rezoned SF-1, SF-2, SF-3, SF-4A, SF-5, or SF-6. Property stats: • (2) individual lots, each over 1 acre. • Would need to comply with the LA • overlay if they were being developed together as a site. If developed individually, they would not need to comply with the LA overlay Building a Better Austin Together F-2/13-PRESENTATIONTHANK YOU F-2/14-PRESENTATION