04 SP-2022-0567C - RBI Austin Youth Development Complex; District 1 - Applicant Report Part 2

Zoning and Platting Commission – Sept. 2, 2025

04 SP-2022-0567C - RBI Austin Youth Development Complex; District 1 - Applicant Report Part 2 — original pdf

Backup

Thumbnail of the first page of the PDF — Page 1 of 28 pages

LOYOLA LANE INT# 7964 INT# 7965 DETENTION POND 1 N E D R A G N A R I DETENTION POND 2 2 9 5 2 - 8 9 2 ) 2 1 5 ( x a F 4 8 2 3 - 8 9 2 ) 2 1 5 ( . l e T 4 2 0 2 t h g i r y p o C © C L L , C M E a z r a G 9 2 6 4 1 - F # E P B T 5 3 7 8 7 s a x e T , n i t s u A 5 2 1 e t i u S l , . d v B o t l a R 8 0 7 7 i I N O S V E R I EXISTING PROPOSED DESCRIPTION LEGEND 05/01/2024 . O N E T A D DETENTION POND 3 BIOFILTRATION POND 1 I N O T A R T L I F EDUCATION 2,189 SF FFE: 498.98 OFFICE 2,189 SF FFE: 498.98 RECREATIONAL 2,189 SF FFE: 498.98 FIRE ROOM COVERED PRACTICE FIELD 30,516 SF FFE: 499.75 / I N O T A T N E M D E S I 1 D N O P BASEBALL FIELD 101,352 SF F F E : 5 0 2 . 5 0 5 7 5 S F P R E S S B O X 1 3 5 S F , D U G F F E : 4 9 7 O U T 1 . 2 5 DUG OUT 2 135 SF, FFE: 498.85 I I T B H X E P A M L L I F - T U C X E L P M O C T N E M P O L E V E D D L I H C N T S U A I I B R E N A L A L O Y O L 1 0 4 7 I S E T R E P O R P E T A L P E M O H 1 0 0 0 0 - 6 1 6 3 1 1 : . O N T C E J O R P : Y B D E N G S E D I : Y B N W A R D : C Q / A Q SHEET EXH 01 OF . M A 5 3 0 1 4 2 : , 9 1 r a M n o w e h e a y b d e l i f i . d o m g w d P A M L L F - T U C I \ I I I - T B H X E S T B H X E D A C - 0 0 \ l i \ I i v C \ 1 0 0 0 0 - 6 1 6 3 1 1 \ : V ELEVATION TABLE FOR CITY USE ONLY: DOOLEY TRAIL 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 11 of 28 LOYOLA LANE INT# 7964 INT# 7965 DETENTION POND 1 N E D R A G N A R I DETENTION POND 2 2 9 5 2 - 8 9 2 ) 2 1 5 ( x a F 4 8 2 3 - 8 9 2 ) 2 1 5 ( . l e T 4 2 0 2 t h g i r y p o C © C L L , C M E a z r a G 9 2 6 4 1 - F # E P B T 5 3 7 8 7 s a x e T , n i t s u A 5 2 1 e t i u S l , . d v B o t l a R 8 0 7 7 i I N O S V E R I EXISTING PROPOSED DESCRIPTION LEGEND . O N E T A D I N A L P D O O L F R Y 0 0 1 P A M L L F - T U C I DETENTION POND 3 BIOFILTRATION POND 1 I N O T A R T L I F EDUCATION 2,189 SF FFE: 498.98 OFFICE 2,189 SF FFE: 498.98 RECREATIONAL 2,189 SF FFE: 498.98 FIRE ROOM COVERED PRACTICE FIELD 30,516 SF FFE: 499.75 / I N O T A T N E M D E S I 1 D N O P BASEBALL FIELD 101,352 SF F F E : 5 0 2 . 5 0 5 7 5 S F P R E S S B O X 1 3 5 S F , D U G F F E : 4 9 7 O U T 1 . 2 5 DUG OUT 2 135 SF, FFE: 498.85 FOR CITY USE ONLY: DOOLEY TRAIL ELEVATION TABLE X E L P M O C T N E M P O L E V E D D L I H C N T S U A I I B R E N A L A L O Y O L 1 0 4 7 I S E T R E P O R P E T A L P E M O H M P 2 1 : 4 4 2 , 0 2 y a M n o w e h e a y b d e l i f i . I d o m g w d P A M L L F - T U C N A L P D O O L F R Y 0 0 1 I I I I \ - T B H X E S T B H X E D A C - 0 0 \ l i \ I i v C \ 1 0 0 0 0 - 6 1 6 3 1 1 \ : V 1 0 0 0 0 - 6 1 6 3 1 1 : . O N T C E J O R P : Y B D E N G S E D I : Y B N W A R D : C Q / A Q SHEET EXH 01 OF . DESCRIPTION: 0.52% NET FILL OFFLOODPLAIN STORAGEVOLUME04 SP-2022-0567C - RBI Austin Youth Development Complex; District 12 of 28 PROPOSED SITE PLAN(TREE SURVEY INCLUDED INEXHIBIT 4 - TOPOGRAPHIC MAP)04 SP-2022-0567C - RBI Austin Youth Development Complex; District 13 of 28LOYOLA LANE INT# 7964 INT# 7965 DETENTION POND 1 N E D R A G N A R I DETENTION POND 2 DETENTION POND 3 BIOFILTRATION POND 1 I N O T A R T L I F EDUCATION 2,189 SF FFE: 498.98 OFFICE 2,189 SF FFE: 498.98 RECREATIONAL 2,189 SF FFE: 498.98 FIRE ROOM COVERED PRACTICE FIELD 30,516 SF FFE: 499.75 / I N O T A T N E M D E S I 1 D N O P BASEBALL FIELD 101,352 SF F F E : 5 0 2 . 5 0 5 7 5 S F P R E S S B O X 1 3 5 S F , D U G F F E : 4 9 7 O U T 1 . 2 5 DUG OUT 2 135 SF, FFE: 498.85 PARKING SUMMARY SITE DATA TABLE TYPE SPACES ZONING QTY. OFFICE BUILDING SITE DATA TABLE EDUCATIONAL BUILDING EXISTING PROPOSED DESCRIPTION LEGEND RECREATIONAL BUILDING COVERED PRACTICE FIELD PRESS BOX DUGOUT 1 DUGOUT 2 SITE PLAN RELEASE NOTES: ACCESSIBILITY NOTES: GENERAL NOTES: FOR CITY USE ONLY: CRITICAL WATER QUALITY ZONE TABLE COMPATIBILITY NOTES: ADDITIONAL MEASURE TO IMPROVE CONNECTIVITY 2 9 5 2 - 8 9 2 ) 2 1 5 ( x a F 4 8 2 3 - 8 9 2 ) 2 1 5 ( . l e T 5 2 0 2 t h g i r y p o C © C L L , C M E a z r a G 9 2 6 4 1 - F # E P B T 5 3 7 8 7 s a x e T , n i t s u A 5 2 1 e t i u S , . l d v B o I N O S V E R I t l i a R 8 0 7 7 02/24/2025 . O N E T A D I N A L P E T S L L A R E V O I S E T R E P O R P E T A L P E M O H E N A L A L O Y O L 1 0 4 7 X E L P M O C T N E M P O L E V E D D L H C N T S U A I I I B R 1 0 0 0 0 - 6 1 6 3 1 1 : . O N T C E J O R P : Y B D E N G S E D I : Y B N W A R D : C Q / A Q SHEET 12 64 OF SP 2022-0567C M A 5 1 : 9 5 2 , 8 1 b e F n o z e m o g j y b I d e i f i d o m g w d . E T S - 1 0 0 0 0 - 6 1 6 3 1 1 \ D A C - 0 0 \ l i i v C \ 1 0 0 0 0 - 6 1 6 3 1 1 \ : V 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 14 of 28 ENVIRONMENTAL MAP04 SP-2022-0567C - RBI Austin Youth Development Complex; District 15 of 28LOYOLA LANE INT# 7964 DETENTION POND 1 N E D R A G N A R I DETENTION POND 2 DETENTION POND 3 BIOFILTRATION POND 1 I N O T A R T L I F EDUCATION 2,189 SF FFE: 498.98 OFFICE 2,189 SF FFE: 498.98 RECREATIONAL 2,189 SF FFE: 498.98 FIRE ROOM COVERED PRACTICE FIELD 30,516 SF FFE: 499.75 / I N O T A T N E M D E S I 1 D N O P BASEBALL FIELD 101,352 SF F F E : P R E S S 5 7 5 5 0 2 . 5 0 S F B O X 1 3 5 S F , D U G F F E : 4 9 7 O U T 1 . 2 5 DUG OUT 2 135 SF, FFE: 498.85 INT# 7965 INT# 29431 LOYOLA LANE I N O S V E R I 2 9 5 2 - 8 9 2 ) 2 1 5 ( x a F 4 8 2 3 - 8 9 2 ) 2 1 5 ( . l e T 5 2 0 2 t h g i r y p o C © C L L , C M E a z r a G 9 2 6 4 1 - F # E P B T 5 3 7 8 7 s a x e T , n i t s u A 5 2 1 e t i u S l , . d v B o t l a R 8 0 7 7 i CEF BUFFER DETENTION POND MITIGATION AREA 07/23/2025 . O N E T A D EXISTING PROPOSED DESCRIPTION LEGEND I I I N O T A G T M N A L P D O O L F I X E L P M O C T N E M P O L E V E D D L I H C N T S U A I I B R E N A L A L O Y O L 1 0 4 7 N A L P I S E T R E P O R P E T A L P E M O H M P 2 2 6 5 2 : , 5 1 l u J n o w e h e a y b d e l i f i DOOLEY TRAIL FOR CITY USE ONLY: WEST TRACT FLOODPLAIN MODIFICATION OUTSIDE CWQZ 17,269 SF 0.396 AC FLOODPLAIN MODIFICATION INSIDE CWQZ 63,421 SF 1.456 AC FLOODPLAIN RESTORATION AREA INSIDE CWQZ 35,070 SF 0.805 AC FLOODPLAIN RESTORATION AREA OUTSIDE CWQZ 5,782 SF 0.133 AC 1 0 0 0 0 - 6 1 6 3 1 1 : . O N T C E J O R P : Y B D E N G S E D I : Y B N W A R D : C Q / A Q SHEET 37 63 OF SP 2022-0567C . I I I d o m g w d N O T A G T M D O O L F - 1 0 0 0 0 - 6 1 6 3 1 1 \ D A C - 0 0 \ l i i v C \ 1 0 0 0 0 - 6 1 6 3 1 1 \ : V 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 16 of 28 ENVIRONMENTALRESOURCEINVENTORY04 SP-2022-0567C - RBI Austin Youth Development Complex; District 17 of 28Case No.: (City use only) Environmental Resource Inventory For the City of Austin Related to LDC 25-8-121, City Code 30-5-121, ECM 1.3.0 & 1.10.0 The ERI is required for projects that meet one or more of the criteria listed in LDC 25-8-121(A), City Code 30-5-121(A). 1. SITE/PROJECT NAME: RBI Austin Youth Development Facility 2. COUNTY APPRAISAL DISTRICT PROPERTY ID (#’s): 0218310606 3. ADDRESS/LOCATION OF PROJECT: Loyola Lane, Austin, Travis County, Texas 4. WATERSHED: Walnut Creek 5. THIS SITE IS WITHIN THE (Check all that apply) Edwards Aquifer Recharge Zone* (See note below) .................. (cid:133)YES (cid:133)No Edwards Aquifer Contributing Zone*.................................. (cid:133)YES (cid:133)No Edwards Aquifer 1500 ft Verification Zone* ....................... (cid:133)YES (cid:133)No Barton Spring Zone* .......................................................... (cid:133)YES (cid:133)No *(as defined by the City of Austin – LDC 25-8-2 or City Code 30-5-2) ✔ ✔ ✔ ✔ Note: If the property is over the Edwards Aquifer Recharge zone, the Hydrogeologic Report and karst surveys must be completed and signed by a Professional Geoscientist Licensed in the State of Texas. 6. DOES THIS PROJECT PROPOSE FLOODPLAIN MODIFICATION?.......(cid:133)YES** (cid:133)NO ✔ If yes, then check all that apply: (cid:13) (1) The floodplain modifications proposed are necessary to protect the public health and safety; (cid:13) (2) The floodplain modifications proposed would provide a significant, demonstrable environmental benefit, as determined by a functional assessment of floodplain health as prescribed by the Environmental Criteria Manual (ECM), or (cid:13) (3) The floodplain modifications proposed are necessary for development allowed in the critical water quality zone under LDC 25-8-261 or 25-8-262, City Code 30-5-261 or 30-5-262. (cid:13) (4) The floodplain modifications proposed are outside of the Critical Water Quality Zone in an area determined to be in poor or fair condition by a functional assessment of floodplain health. ** If yes, then a functional assessment must be completed and attached to the ERI (see ECM 1.7 and Appendix X for forms and guidance) unless conditions 1 or 3 above apply. 7. IF THE SITE IS WITHIN AN URBAN OR SUBURBAN WATERSHED, DOES THIS PROJECT PROPOSE A UTILITY LINE PARALLEL TO AND WITHIN THE CRITICAL WATER QUALITY ZONE? ......................................................... (cid:133)YES*** (cid:133)NO ✔ ***If yes, then riparian restoration is required by LDC 25-8-261(E) or City Code 30-5-261(E) and a functional assessment must be completed and attached to the ERI (see ECM1.5 and Appendix X for forms and guidance). 6 8. There is a total of (#’s) Critical Environmental Feature(s)(CEFs) on or within150 feet of the project site. If CEF(s) are present, attach a detailed DESCRIPTION of the CEF(s), color PHOTOGRAPHS, the CEF WORKSHEET and provide DESCRIPTIONS of the proposed CEF buffer(s) and/or wetland mitigation. Provide the number of each type of CEFs on or within 150 feet of the site (Please provide the number of CEFs ): 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 18 of 28 0 (#’s) Spring(s)/Seep(s) (#’s) Point Recharge Feature(s) 6 (#’s) Canyon Rimrock(s) (#’s) Wetland(s) 0 0 0 (#’s) Bluff(s) Note: Standard buffers for CEFs are 150 feet, with a maximum of 300 feet for point recharge features. Except for wetlands, if the standard buffer is not provided, you must provide a written request for an administrative variance from LDC 25-8-281(C)(1) and provide written findings of fact to support your request. Request forms for administrative variances from requirements stated in LDC 25-8-281 are available from Watershed Protection Department. 9. The following site maps are attached at the end of this report (Check all that apply and provide): All ERI reports must include: ✔ ✔ (cid:13) Site Specific Geologic Map with 2-ft Topography (cid:13) Historic Aerial Photo of the Site (cid:13) Site Soil Map (cid:13) Critical Environmental Features and Well Location Map on current ✔ ✔ Aerial Photo with 2-ft Topography Only if present on site (Maps can be combined): (cid:13) Edwards Aquifer Recharge Zone with the 1500-ft Verification Zone(cid:3) (cid:3) (cid:3) (Only if site is over or within 1500 feet the recharge zone) (cid:13) Edwards Aquifer Contributing Zone(cid:3) (cid:13) Water Quality Transition Zone (WQTZ) (cid:13) Critical Water Quality Zone (CWQZ)(cid:3) (cid:13) City of Austin Fully Developed Floodplains for all water courses with ✔ (cid:3) (cid:3) (cid:3) (cid:3) (cid:3) (cid:3) (cid:3) (cid:3) (cid:3) (cid:3) up to 64-acres of drainage 10. HYDROGEOLOGIC REPORT – Provide a description of site soils, topography, and site specific geology below (Attach additional sheets if needed): Surface Soils on the project site is summarized in the table below and uses the SCS Hydrologic Soil Groups*. If there is more than one soil unit on the project site, show each soil unit on the site soils map. Soil Series Unit Names, Infiltration Characteristics & Thickness *Soil Hydrologic Groups Definitions (Abbreviated) Soil Series Unit Name & Subgroup** Group* Thickness (feet) Ferris-Heiden complex, 8-20% slopes, severely eroded(FhF3) Tinn clay, 0-1% slopes, frequently flooded (Tw) D D 5 6.6 A. Soils having a high infiltration rate when thoroughly wetted. B. Soils having a moderate infiltration rate when thoroughly wetted. C. Soils having a slow infiltration rate when thoroughly wetted. D. Soils having a very slow infiltration rate when thoroughly wetted. **Subgroup Classification – See Classification of Soil Series Table in County Soil Survey. WPD ERM ERI-2014-01 Page 2 of 6 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 19 of 28 Description of Site Topography and Drainage (Attach additional sheets if needed): Topography on the subject site is flat to slightly sloping. Surface elevation ranges from approximately 478 to 540 feet above mean sea level (COA, 2012), with surface water flow in a western direction towards Walnut Creek. An unnamed tributary of Walnut Creek crosses the subject site with a pond located on the southern portion of the subject site (USGS, 1988). List surface geologic units below: Group Geologic Units Exposed at Surface Formation Pecan Gap Chalk (Kpg) Ozan Formation (Ko) (continued in Attachments) Member Brief description of site geology (Attach additional sheets if needed): Pecan Gap Chalk (Kpg) - Chalk in lower part grading upward to chalky marl with microgranular calcite in clay matrix, well-rounded quartz grains in lower part, medium gray, weathers light gray and white; thickness 200± feet, grades laterally in places to marl (UT-BEG, 1995). Ozan Formation (Ko) - Clay, marly, calcareous content decreases upward, montmorillonitic, some glauconite, phosphate pellets, and hematite and pyrite nodules, variable amount of silt-sized quartz and calcite fragments, become more abundant upward, block with conchoidal fracture, light gray to brown; weathers light gray to grayish orange and white, develops poor fissility; thickness 600± feet (UT-BEG, 1995). Wells – Identify all recorded and unrecorded wells on site (test holes, monitoring, water, oil, unplugged, capped and/or abandoned wells, etc.): There are 0 (#) wells present on the project site and the locations are shown and labeled 0 0 0 (#’s)The wells are not in use and have been properly abandoned. (#’s)The wells are not in use and will be properly abandoned. (#’s)The wells are in use and comply with 16 TAC Chapter 76. 1 There are (#’s) wells that are off-site and within 150 feet of this site. WPD ERM ERI-2014-01 Page 3 of 6 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 110 of 28 11. THE VEGETATION REPORT – Provide the information requested below: Brief description of site plant communities (Attach additional sheets if needed): The subject site is located within the Blackland Prairie ecological area of Texas (Gould, 1975) and the Silver Bluestem-Texas Wintergrass Grassland vegetational area of Texas (McMahan et al., 1984). The vegetation community is dominated by woodland and grassland species. There is woodland community on site …………………….(cid:133)YES (cid:133) NO (Check one). If yes, list the dominant species below: ✔ Woodland species Common Name Ashe juniper sugarberry cedar elm Chinese privet Scientific Name Juniperus ashei Celtis laevigata Ulmus crassifolia Ligustrum sinense There is grassland/prairie/savanna on site……………..(cid:133)YES (cid:133) NO (Check one). If yes, list the dominant species below: ✔ Grassland/prairie/savanna species Common Name Scientific Name King Ranch bluestem Bothriochloa ischaemum var. songarica giant ragweed tall goldenrod Ambrosia trifida Solidago altissima There is hydrophytic vegetation on site ………………..(cid:133)YES (cid:133) NO (Check one). If yes, list the dominant species in table below (next page): ✔ WPD ERM ERI-2014-01 Page 4 of 6 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 111 of 28 Hydrophytic plant species Common Name Scientific Name green ash broadleaf cattail duckweed black willow flatsedge marshelder Fraxinus pennyslvanica Typha latifolia Lemna minor Salix nigra Cyperus difformis Iva annua Wetland Indicator Status FacW- Obl Obl FacW+ Obl Fac A tree survey of all trees with a diameter of at least eight inches measured four and one- half feet above natural grade level has been completed on the site. ✔ (cid:3) (cid:133)YES (cid:133) NO (Check one). 12. WASTEWATER REPORT – Provide the information requested below. Wastewater for the site will be treated by (Check of that Apply): (cid:13) On-site system(s) (cid:13) City of Austin Centralized sewage collection system ✔ (cid:13) Other Centralized collection system Note: All sites that receive water or wastewater service from the Austin Water Utility must comply with City Code Chapter 15-12 and wells must be registered with the City of Austin The site sewage collection system is designed and will be constructed to in accordance to all State, County and City standard specifications. ✔ (cid:3) (cid:133)YES (cid:133) NO (Check one). Calculations of the size of the drainfield or wastewater irrigation area(s) are attached at the end of this report or shown on the site plan. (cid:133)YES (cid:133) NO (cid:133) Not Applicable (Check one). ✔ Wastewater lines are proposed within the Critical Water Quality Zone? ✔ (cid:3) (cid:133)YES (cid:133) NO (Check one). If yes, then provide justification below: WPD ERM ERI-2014-01 Page 5 of 6 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 112 of 28 Is the project site is over the Edwards Aquifer? (cid:133)YES (cid:133) NO (Check one). ✔ If yes, then describe the wastewater disposal systems proposed for the site, its treatment level and effects on receiving watercourses or the Edwards Aquifer. 13. One (1) hard copy and one (1) electronic copy of the completed assessment have been provided. Date(s) ERI Field Assessment was performed: 15 November 2018 Date(s) My signature certifies that to the best of my knowledge, the responses on this form accurately reflect all information requested. Tamura Dunbar Print Name Signature Horizon Environmental Services, Inc. Name of Company 512-328-2430 Telephone tamura_dunbar@Horizon-esi.com Email Address 20 November 2018 Date For project sites within the Edwards Aquifer Recharge Zone, my signature and seal also certifies that I am a licensed Professional Geoscientist in the State of Texas as defined by ECM 1.12.3(A). P.G. Seal WPD ERM ERI-2014-01 Page 6 of 6 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 113 of 28 City of Austin Environmental Resource Inventory - Critical Environmental Feature Worksheet 1 2 3 4 9 Project Name: RBI Austin Youth Development Facility Project Address: Loyola Lane, Austin, Travis County Site Visit Date: 15 November 2018 Environmental Resource Inventory Date: 20 November 2018 FEATURE TYPE {Wetland,Rimrock, Bluffs,Recharge Feature,Spring} FEATURE ID (eg S-1) 5 6 7 8 Primary Contact Name: Scott Flesher Phone Number: (512) 328 2430 Prepared By: Tamura Dunbar Email Address: scott_flesher@horizon-esi.com FEATURE LONGITUDE (WGS 1984 in Meters) FEATURE LATITUDE (WGS 1984 in Meters) WETLAND DIMENSIONS (ft) coordinate notation coordinate notation RIMROCK/BLUFF DIMENSIONS (ft) Length Avg Height RECHARGE FEATURE DIMENSIONS Y Z Trend X Springs Est. Discharge cfs Wetland Wetland Wetland Wetland Wetland Wetland W-1 W-2 W-3 W-4 W-5 W-6 30.295963 30.295141 30.294510 30.294141 30.293732 30.293024 -97.638747 -97.639413 -97.63294510 -97.638610 -97.638089 -97.637815 X 15 30 100 120 150 10 Y 340 520 350 220 180 100 City of Austin Use Only CASE NUMBER: Wetland For rimrock, locate the midpoint of the segment that describes the feature. Rimrock Recharge Feature Spring Seep For wetlands, locate the approximate centroid of the feature and the estimated area. DMS DD For a spring or seep, locate the source of groundwater that feeds a pool or stream. YES NO GPS Surveyed Other sub-meter (cid:3508) (cid:3508) (cid:3508) Professional Geologists apply seal below (cid:3508) (cid:3508) (cid:3508) > 1 meter meter Please state the method of coordinate data collection and the approximate precision and accuracy of the points and the unit of measurement. Method Accuracy WPD ERM ERI-CEF-01 Page 7 of 8 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 114 of 28 ENVIRONMENTAL RESOURCE INVENTORY ATTACHMENTS RBI AUSTIN YOUTH DEVELOPMENT FACILITY LOYOLA LANE, AUSTIN, TRAVIS COUNTY, TX HJN 180272.001 ERI 180272.001 ERI Worksheet Attachments 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 115 of 28 DATA RESOURCES USED IN COMPLETING THIS ERI (COA) City of Austin. GIS Data Sets, Year 2012 2-foot contours of the City of Austin and ETJ only, <ftp://ftp.ci.austin.tx.us/GIS-Data/Regional/coa_gis.html>. Updated by City of Austin 2012. ______. GIS Data Sets, Water Quality Creek Buffers, <ftp://ftp.ci.austin.tx.us/GIS- Data/Regional/coa_gis.html>. Updated by City of Austin 2015. ______. Property Profile, <http://www.austintexas.gov/gis/propertyprofile/>. Accessed 9 November 2018. Gould, F.W. Texas Plants – A Checklist and Ecological Summary. College Station: Texas A&M University. 1975. McMahan, Craig A., Roy G. Frye, and Kirby L. Brown. The Vegetation Types of Texas – Including Cropland. Austin: Texas Parks and Wildlife Department. 1984. (Nearmap) Nearmap Aerial Maps and High Resolution <https://go.nearmap.com/>. 29 May 2018. Imagery. Available at (NRCS) Natural Resources Conservation Service (formerly Soil Conservation Service), US Department of Agriculture. Web Soil Survey, <http://websoilsurvey.nrcs.usda.gov /app/WebSoilSurvey.aspx>. Accessed 9 November 2018. (TWDB) Texas Water Development Board. Water Information Integration and Dissemination System. TWDB Groundwater Database (ArcIMS), <http://wiid.twdb.state.tx.us/ ims/wwm_drl/viewer.htm?>. Accessed 9 November 2018. (USGS) US Geological Survey. Digital Orthophoto Quarter-Quadrangle, Austin East, Texas. 1988. ______. Aerial Photography, Travis County, Texas. 1995. (UT-BEG) University of Texas Bureau of Economic Geology, C.V. Proctor, Jr., T.E. Brown, J.H. McGowen, N.B. Waechter, and V.E. Barnes. Geologic Atlas of Texas, Austin Sheet, Francis Luther Whitney Memorial Edition. 1974; reprinted 1995. 180272.001 ERI Worksheet Attachments 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 116 of 28 ERI WORKSHEET SECTION 8: CRITICAL ENVIRONMENTAL FEATURES CEF Descriptions Descriptions of Proposed Buffers Color Photographs 180272.001 ERI Worksheet Attachments 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 117 of 28 Critical Environmental Features CEFs observed on or within 150 feet from the subject site include: Springs/Seeps: 0 Point Recharge Features: 0 0 Bluffs: 0 Canyon Rimrocks: 6 Wetlands: The first wetland (W-1) consisted of a fringe wetland within and along the banks of a waterway that included bushy bluestem (Andropogon glomeratus) and flatstem spikerush (Eleocharis compressa). W-2 consisted of a linear wetland that included bushy bluestem, broadleaf cattail (Typha latifolia), and spikerush. W-3 consisted of a wetland north of the impoundment berm that included spikerush, cattail, flatsedge (cyperus difformis), green ash (Fraxinus pennsylvanica) and black willow (Salix nigra). W-4 consisted of a man-made impounded pond with fringe wetland that included duckweed (Lemna minor), cattail, flatsedge, green ash, and black willow. W-5 consisted of a forested wetland that was dominated by green ash. W-6 consisted of a fringe wetland within and along the banks of a channelized drainage feature that included spikerush, flatsedge, and green ash. Proposed Buffers Standard City of Austin buffers for CEFs are 150 feet. Horizon recommends CEF buffer averaging and/or compensatory mitigation to reduce the CEF buffer within the CWQZ. 180272.001 ERI Worksheet Attachments 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 118 of 28 PHOTO 1 Typical vegetation located on the subject site PHOTO 2 View of wetland (W-4) located on the subject site PHOTO 3 View of wetland (W-2) located on the subject site PHOTO 4 View of wetland (W-2) located on the subject site 180272.001 ERI Photopage 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 119 of 28 PHOTO 5 Typical upland vegetation located on the subject site PHOTO 6 View of wetland (W-3) located on the subject site PHOTO 7 View of wetland (W-5) located on the subject site PHOTO 8 View of wetland (W-6) located on the subject site 180272.001 ERI Photopage 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 120 of 28 ERI WORKSHEET SECTION 9: SITE MAPS Figure 1. Site-Specific Geologic Map Figure 2. Historical Aerial Photo Figure 3. Site Soil Map Figure 4. Critical Environmental Features and Well Locations Map Figure 5. Water Quality Zone Map 180272.001 ERI Worksheet Attachments 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 121 of 28 0 49 5 3 2 8 4 5 546 4 54 2 54 5 4 4 4 4 5 5 4 6 4 4 5 5 3 6 0 2 5 5 2 8 524 522 6 2 5 8 1 5 6 5 1 514 5 2 0 5 1 0 8 0 5 4 . 9 5 0 494 502 498 496 512 506 504 492.8 488 2 9 4 6 8 4 0 9 4 4 9 0 4 8 4 8 . 2 9 4 Ko 500 496 484 4 8 2 0 8 4 0 8 4 2 8 4 0 48 8 47 47 6 476 8 1 5 4 51 5 2 8 5 2 6 516 5 4 0 4 3 5 5 4 0 542 538 5 1 6 492 504 502 510 494 496 Parkway 496 498 Hills 4 8 6 S e n dero 5 0 6 2 1 5 5 2 4 4 7 8 4 7 8 486 484 478 480 482 4 8 6 5 0 4 . 9 4 8 6 4 8 8 Loyola 4 8 8 Lane 0 0 5 4 9 4 Kpg 6 52 6 3 5 4 4 5 5 2 4 516 52 2 518 502 50 0 4 9 8 512 4 51 500 4 9 8 4 9 4 50 2 4 9 6 5 0 4 510 5 0 4.9 8 3 5 2 4 5 2 3 5 4 3 5 5 0 6 524 5 0 8 53 0 8 1 5 5 2 2 5 2 0 530 5 5 4.5 5 5 0 5 5 2 4 5 5 0 6 5 564 2-Foot Contours 548 550 Subject Site 2 55 8 5 5 Kemp Clay, Corsicana Marl, Neylandville Formation, and Marlbrook Marl, undivided (Kknm) 562 4 7 4 4 7 8 4 7 8 8 7 4 482 8 48 51 4 0 1 5 8 0 5 0 1 5 2 1 5 514 8 1 5 0 2 5 8 2 5 Legend 8 2 5 5 2 4 5 2 2 2 5 1 5 0 8 5 1 4 510 0 3 5 524 4 1 5 5 0 8 8 1 5 5 1 8 6 3 5 538 5 4 0 548 548 544 548 54 6 5 3 8 546 5 4 8 5 4 2 0 4 5 Kknm 534 5 3 6 5 4 6 544 Copyright nearmap 2015 4 4 5 5 4 2 Ozan Formation (Ko) 556 0 4 5 6 4 5 Pecan Gap Chalk (Kpg) 6 55 5 6 6 5 7 0 572 568 Date: Drawn: 11/09/2018 TED HJN NO: 180272.001 ERI Source: COA, 2012; Nearmap,2018; UT-BEG, 1995 180272 -RBI Austin Youth Development Facility\Graphics\180272-001ERI_01A_Geo.mxd 4 3 5 2 2 5 Figure 1 Site-Specific Geologic Map RBI Austin Youth Development Facility Loyola Lane Austin, Travis County, Texas 0 I 200 Feet 400 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 122 of 28Parkway Hills S e n dero Loyola Lane Legend Subject Site Date: Drawn: 11/09/2018 TED HJN NO: 180272.001 ERI Source: USGS, 1995 Figure 2 1995 Historical Aerial Photo RBI Austin Youth Development Facility Loyola Lane Austin, Travis County, Texas 0 I 200 Feet 400 180272 -RBI Austin Youth Development Facility\Graphics\180272-001ERI_02A_Historic.mxd 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 123 of 28Parkway Hills S e n dero Loyola Lane Tw FhF3 Legend Ferris-Heiden complex, 8-20% slope(cid:86), severely eroded (FhF3) Tinn clay, 0-1% slopes, frequently flooded (Tw) Subject Site Date: Drawn: 11/09/2018 TED HJN NO: 180272.001 ERI Source: Nearmap, 2018; NRCS, 2018 Figure 3 Site Soil Map RBI Austin Youth Development Facility Loyola Lane Austin, Travis County, Texas 0 I 200 Feet 400 Copyright nearmap 2015 180272 -RBI Austin Youth Development Facility\Graphics\180272-001ERI_03A_Soil.mxd 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 124 of 280 0 5 49 6 8 9 4 4 9 4 4 9 2 . 8 492 484 4 8 4 2 9 4 0 9 4 4 9 0 4 8 6 8 8 4 2 9 4 0 9 4 4 8 2 0 8 4 2 8 4 4 1 5 520 540 8 3 5 536 532 530 528 526 5 1 8 5 1 6 5 1 4 0 48 478 0 48 47 6 476 4 7 8 0 1 5 4 9 6 4 8 4 506 502 492.8 486 4 2 5 6 1 5 5 2 2 2 1 5 4 . 9 0 5 5 0 8 5 3 4 8 0 5 496 49 2 4 7 8 Parkway 498 4 7 8 Hills S e n dero 5 0 6 2 1 5 5 2 4 4 7 8 W-1 48 6 48 0 478 482 482 Loyola 4 0 9 Lane W-2 534 8 3 5 0 54 4 8 6 4 8 8 5 0 4 4 8 6 4 8 8 4 9 4 W-3 5 4 6 5 4 2 6 3 5 544 5 1 8 5 0 0 5 0 4 . 9 51 0 514 516 52 2 518 520 4 9 4 5 0 2 W-4 498 5 0 0 W-5 W-6 5 5 0 6 2 5 512 4 51 5 0 2 0 4 5 8 3 5 2 4 5 4 4 5 4 3 5 0 3 5 8 2 5 6 3 5 2 3 5 Legend 5 4 500 4 9 8 4 9 4 50 2 4 9 6 510 5 0 4 5 0 6 2-Foot Contours 5 6 4 8 5 5 2 CEF Wetland 0 5 5 Subject Site 554.5 5 5 4 53 0 5 2 2 518 0 2 5 524 5 0 8 Date: Drawn: 11/19/2018 TED HJN NO: 180272.001 ERI Source: COA, 2012; Nearmap, 2018 536 5 2 4 Figure 4 Critical Environmental Features and Well Locations Map RBI Austin Youth Development Facility Loyola Lane Austin, Travis County, Texas Copyright nearmap 2015 8 3 5 I 150 Feet 300 0 180272 -RBI Austin Youth Development Facility\Graphics\180272-001ERI_04A_CEF_Well.mxd 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 125 of 28Parkway Hills S e n dero CWQZ Loyola Lane Legend Critical Water Quality Zone (CWQZ) Subject Site Date: Drawn: 11/09/2018 TED HJN NO: 180272.001 ERI Source: COA, 2015; Nearmap, 2018 Figure 5 Critical Water Quality Zone Map RBI Austin Youth Development Facility Loyola Lane Austin, Travis County, Texas 0 I 200 Feet 400 180272 -RBI Austin Youth Development Facility\Graphics\180272-001ERI_05A_CWQZ.mxd 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 126 of 28SECTION 10 ADDITIONAL DATA Surface geologic units, continued from ERI worksheet, Section 10: Group Geologic Units Exposed at Surface Formation Kemp Clay, Corsicana Marl, Neylandville Formation, and Marlbrook Marl, undivided (Kknm) Member Brief description of site geology, continued from ERI worksheet, Section 10: Kemp Clay, Corsicana Marl, Neylandville Formation, and Marlbrook Marl, undivided (Kknm) - Upper part—clay, calcareous, locally silty, massive, thinly laminated, conchoidal fracture, medium dark gray; weathers medium gray; Neylandville Formation present only in northernmost part of map. Lower part—clay, dominantly montmorillonitic, silt- size quartz becomes more abundant upward, calcite fragments common, glauconitic, disseminated pyrite, blocky with conchoidal fracture, strikingly uniform throughout, light medium gray, weathers light brown to light gray and becomes slightly fissile. Thickness about 600± feet (UT-BEG, 1995). 180272.001 ERI Worksheet Attachments 04 SP-2022-0567C - RBI Austin Youth Development Complex; District 127 of 28 SITE PHOTOS04 SP-2022-0567C - RBI Austin Youth Development Complex; District 128 of 28