B-12 CORRECTED (C8-2019-0112 - Twilight Garden Preliminary; District 8)

Planning Commission – April 14, 2020

B-12 CORRECTED (C8-2019-0112 - Twilight Garden Preliminary; District 8) — original pdf

Backup

Thumbnail of the first page of the PDF — Page 1 of 3 pages

SUBDIVISION REVIEW SHEET LOT(S): 20 (Jerry Perales, P.E.) P.C. DATE: April 14, 2020 (Andrey Derevianko) CASE NO.: C8-2019-0112 SUBDIVISION NAME: Twilight Gardens Preliminary Plan AREA: 17.92 acres OWNER/APPLICANT: Twilight Estates, LLC. AGENT: Perales Land Development ADDRESS OF SUBDIVISION: 8316 Twilight Terrace Dr. WATERSHED: Williamson Creek EXISTING ZONING: SF-1-CO-NP NEIGHBORHOOD PLAN: West Oak Hill PROPOSED LAND USE: Residential VARIANCES: none DEPARTMENT COMMENTS: The request is for the approval of the Twilight Gardens Preliminary Plan composed of 20 lots on 17.92 acres. The applicant is proposing to subdivide the property into a 20 lot subdivision for residential use. STAFF RECOMMENDATION: Staff recommends approval of the case, the plan meets applicable State and City of Austin LDC requirements. CASE MANAGER: Cesar Zavala Email address: cesar.zavala@austintexas.gov PHONE: 512-974-3404 JURISDICTION: Full COUNTY: Travis 1 of 3B-121 of 3Location: 8316 Twilight Terrace Austin, Texas 78737 2 of 3B-122 of 3SF-1-CO-NP MOBILE HOMES 9 4 0 6 0 1 L 9 3 0 505.0000 7 1 1 L SF-1-CO-NP MOBILE HOMES 2234.7500 6 1 1 L 5 1 1 L 1 LOT 3 5' P.U.E. 0.50 AC. LOT 4 0.50 AC. L155 L157 L154 9 1 0 1 1 1 L 9 2 0 4 1 1 L 2 1 1 L 2' 1.3 5 2 3 6.6"E 1 1 1 L 8' 3 d 1 8 N 2 LOT 5 0.50 AC. LOT 6 0.50 AC. LOT 7 0.50 AC. LOT 8 0.50 AC. LOT 9 0.50 AC. L158 L152 L153 955.3 4663.2500 1452.8029 9 5 0 L 1 6 0 LOT 2 0.50 AC. L133 L 1 3 2 LOT 1 DRAINAGE LOT AN DRAINAGE EASEMENT 0.10 AC. 15' D L163 SF-1-CO-NP SINGLE FAMILY 0 4 9 L159 S 5 8 d 4 2' 2 L 1 6 2 C31 W L164 2" W 6 3 8.9 C29 0' C30 0 3 9 C32 C 3 3 4 3 C R 6 0 ' W W W OP. 8" WL OP. 6" W PR WL 9 3 1 L W PR W W 8 2 C C 2 7 5 3 C C37 L151 0 5 1 L L156 W RY SKY CT. (50' R.O.W.) W W 9 4 1 L 8 3 1 L 8 4 1 L PR R W OP. 8" WL STA 7 3 1 L W W W 10.5' 50' R.O.W W W 6 3 1 L WL W OP. 6" W 7 4 1 L PR W W 5 3 1 L K L T A N W E E M E S A E 5'SID 1 5' SID K L A W E L141 5 4 1 L 6 4 1 L W OP. 8" WL W 4 W WL 3 1 L PR W OP. 6" W PR C26 R60' 5 2 C C 2 4 9 3 C L 1 7 8 AN DRAINAGE EASEMENT LOT 13 D DRAINAGE LOT 2.19 AC. L142 LOT 15 0.50 AC. L140 LOT 14 0.50 AC. 5 2 1 L 5 6 1 L 0 2 9 AN DRAINAGE EASEMENT LOT 13 D DRAINAGE LOT 2.19 AC. L 1 6 1 L 1 2 3 15' LOT 19 0.50 AC. 9 1 0 0 3 1 L L131 LOT 18 0.50 AC. L144 9 2 1 L L143 LOT 17 0.50 AC. 8 2 1 L LOT 16 0.50 AC. 7 2 1 L 5.2' 0 2 900 5.7"E 1 8' 3 d 1 8 N 2 6 2 1 L SF-2-NP SINGLE FAMILY SF-2-NP 8 9 0 SINGLE FAMILY SF-2-NP SINGLE FAMILY SF-2-NP SINGLE FAMILY 891.2 SF-2-NP SINGLE FAMILY W 933.1 SF-2-NP SINGLE FAMILY SF-2-NP SINGLE FAMILY SF-2-NP SINGLE FAMILY W W W HOT SPRINGS DR. 71 71 290 Twilight Terrace 6 2 8 M 1 F SITE nt Blvd. e m Escarp Davis Ln. Convict Hill Rd. Beckett Rd. 1 W. William Cannon Dr. W S l a u g h t e r L n . VICINITY MAP 840 840 PLAN LEGEND BOUNDARY LINE LOT LINE EASEMENT EDWARDS AQUIFER BOUNDARY CURB AND GUTTER SIDEWALK EXISTING CONTOUR PROPOSED CONTOUR CURB INLET CREEK CENTERLINE 100 YR. FLOODPLAIN LINE SF-2-NP SINGLE FAMILY NOTES: 1. BUILDING SETBACK LINES SHALL BE IN CONFORMANCE WITH CITY OF AUSTIN ZONING ORDINANCE REQUIREMENTS. 2. ALL ACTIVITIES WITHIN THE CEF BUFFER MUST COMPLY WITH THE CITY OF AUSTIN LAND DEVELOPMENT CODE. THE NATURAL VEGETATIVE COVER MUST BE RETAINED TO THE MAXIMUM EXTENT PRACTICABLE; CONSTRUCTION IS PROHIBITED; AND WASTEWATER DISPOSAL OR IRRIGATION IS PROHIBITED. 890.4 3. THE WATER AND WASTEWATER UTILITY SYSTEM SERVING THIS SUBDIVISION MUST BE IN ACCORDANCE WITH THE CITY OF AUSTIN UTILITY DESIGN CRITERIA. THE WATER AND WASTEWATER UTILITY PLAN MUST BE REVIEWED AND APPROVED BY AUSTIN WATER. ALL WATER AND WASTEWATER CONSTRUCTION MUST BE INSPECTED BY THE CITY OF AUSTIN. THE LANDOWNER MUST PAY THE CITY INSPECTION FEE WITH THE UTILITY CONSTRUCTION. 4. NO LOT SHALL BE OCCUPIED UNTIL THE STRUCTURE IS CONNECTED TO THE CITY OF AUSTIN WATER AND WASTEWATER UTILITY SYSTEM. 5. THE PROPOSED WATER AND WASTEWATER ALIGNMENTS, SIZING, AND EASEMENTS SHOWN ON THE PRELIMINARY PLAN EXHIBIT HAVE NOT BEEN APPROVED BY AUSTIN WATER. PROPOSED LIFT STATION LOCATIONS, LOT ASSIGNMENTS, AND FORCE MAIN ROUTING HAVE NOT BEEN APPROVED BY AUSTIN WATER. FINAL EASEMENTS MUST BE APPROVED BY AUSTIN WATER AS TO FORM, TYPE, AND WIDTH. SF-2-NP SINGLE FAMILY 6. PRIOR TO CONSTRUCTION ON LOTS IN THIS SUBDIVISION, DRAINAGE PLANS WILL BE SUBMITTED TO THE CITY OF AUSTIN FOR REVIEW. RAINFALL RUN-OFF SHALL BE HELD TO THE AMOUNT EXISTING AT UNDEVELOPED STATUS BY PONDING OR OTHER APPROVED METHODS. W W E X. 8 " P V C W G A S L 2 0 0 1-0 5 0 8 W W W W G A S W W G A S SF-2-NP SINGLE FAMILY GAS WW WW W W TWILIGHT TERRACE TWILIGHT TERRACE W W EX. 8" PVC WWL 2001-0508 WW WW GAS GAS GAS GAS 912.5 912.5 GAS 911.6 911.6 W W W SF-2-NP SINGLE FAMILY L 2 0 7 SF-2-NP SINGLE FAMILY W W W W W W W W W W W W W W W W W W L201 5 0 2 L L206 L 2 0 2 4 0 L203 2 L W W W W W W W W W W W W W W W W W W W W SF-2-NP SINGLE FAMILY R.O.W. SHADOW RIDGE CROSSING SECTION 12 RECORDED AS DOCUMENT # 200000133 OF THE TRAVIS COUNTY PLAT RECORDS. THE R.O.W. WILL BE DESIGNED AND CONSTRUCTED WITH THE FINAL PLAT SUBDIVISION CONSTRUCTION DRAWING PRIOR TO FINAL ACCEPTANCE OF THE SUBDIVISION AND PRIOR TO ISSUANCE OF ANY CERTIFICATES OF OCCUPANCY. RR-NP SINGLE FAMILY W W W W S W T W W W A W R ( 5 0 L ' I R O G W W W W W ) H W T W W W W D 8 0 2 L W W W W D 1 0 0-Y V E E R F L O U P E L L Y D F L W W O O D P L AIN 1 0 0-Y R F L O O D P L AIN WW W W W W C W QZ SF-1-CO-NP SINGLE FAMILY W W CWQZ SF-1-CO-NP UNDEVELOPED W W RR-NP OPEN SPACE 1 0 0 - Y R F U L L Y D E V E L O P E D F L O O D P L A I N CWQZ W W L266 890.2 890.2 L265 L268 L 2 6 4 D R A I N A G E E A S E M E N T SF-2-NP SF-2-NP SINGLE FAMILY SINGLE FAMILY SF-2-NP SINGLE FAMILY SF-2-NP SINGLE FAMILY SF-2-NP SINGLE FAMILY W W SF-2-NP SINGLE FAMILY W W W W W W W Q T Z R . W W W W W W W W W W Q T Z P P R R O O P P . . 6 8 " " W W W W W W W W L L W W W W 0 1 1 L 5' P.U.E. 1 L 1 1 8 9 0 1 L LOT 10 0.51 AC. 0' P.U.E. 5 L 1 0 5 C W Q Z C22 C 4 0 W W PROP. 6" W WL STARLIGHT DR. (50' ROW) WW C41 W W W W W W W 0 ' 5 W W 8 0 1 L 7 0 1 L 0' P.U.E. 5 W W L250 W W L D 2 R 5 1 A I N 1 0 0-Y A L252 G E E R F L O O D A S L E 2 M P L 5 E 3 N T AIN L 2 5 4 6 6 1 L W W W W 0' P.U.E. 5 C21 W WW . W O . R 0' 5 C 3 6 C20 W C42 C 4 3 R.O.W. 0.22 AC. C 23 LOT 11 3.03 AC. D R A I N 1 0 0 - Y A G L255 E E R F L O A S E O D M E P L N T A I N 7 6 2 L W W W W 100-YR FLO DRAINAGE EASEMENT ODPLAIN L263 (P TH A R KLA E CITY O C N LO D D F A T 12 DIC E U W SF-2-NP SINGLE FAMILY S 62d 50' 43.41"E 638.17' SF-2-NP SINGLE FAMILY WQTZ W W ATE STIN) 3.77 A D T O C. Q D R Z A I 1 N 0 A 0 - G Y L262 E R E F A L S O E O M D E P N L T A I N SF-2-NP SINGLE FAMILY SF-2-NP SINGLE FAMILY V I A C O R R W W W E T O D R . L261 8 8 0 RR-NP OPEN SPACE C W Q Z W W W Q T Z L177 1 2 1 L 0 6 2 L L259 L 1 7 6 W Q T Z CWQZ D 880 E V 1 E L 0 0-Y O P E R F D F L U L L Y O RR-NP O D P OPEN SPACE L AIN 7. A PORTION OF THIS TRACT IS WITHIN THE BOUNDARIES OF THE 100 YEAR FLOOD PLAIN OF ANY WATERWAY THAT IS WITHIN THE LIMITS OF STUDY OF THE FEDERAL FLOOD INSURANCE ADMINISTRATION FIRM PANEL # 48453C0560H, DATED 9-26-2008 FOR AUSTIN, TRAVIS COUNTY, TEXAS AND THE 100 YEAR FLOODPLAIN IS CONTAINED WITHIN THE DRAINAGE EASEMENT(S) SHOWN HEREON. 8. SLOPES IN EXCESS OF 15% EXIST ON LOTS 3, 18 AND 19. CONSTRUCTION ON SLOPES IS LIMITED PER THE LAND DEVELOPMENT CODE. 9. NO BUILDINGS, FENCES, LANDSCAPING OR OTHER OBSTRUCTIONS ARE PERMITTED IN DRAINAGE EASEMENTS EXCEPT AS APPROVED BY THE CITY OF AUSTIN OR TRAVIS COUNTY. 10. ALL DRAINAGE EASEMENTS ON PRIVATE PROPERTY SHALL BE MAINTAINED BY THE PROPERTY OWNER OR ASSIGNS. 11. PROPERTY OWNER SHALL PROVIDE FOR ACCESS TO DRAINAGE EASEMENTS AS MAY BE NECESSARY AND SHALL NOT PROHIBIT ACCESS BY GOVERNMENTAL AUTHORITIES. 12. APPROVAL OF THIS PRELIMINARY PLAN DOES NOT CONSTITUTE APPROVAL OF ANY DEVIATION FROM THE CITY’S LAND DEVELOPMENT REGULATIONS IN THE FINAL PLAT, CONSTRUCTION PLAN OR SITE PLAN STAGE, UNLESS SUCH DEVIATIONS HAVE BEEN SPECIFICALLY REQUESTED IN WRITING AND SUBSEQUENTLY APPROVED IN WRITING BY THE CITY. SUCH APPROVALS DO NOT RELIEVE THE ENGINEER OF THE OBLIGATION TO MODIFY THE DESIGN OF THE PROJECT IF IT DOES NOT MEET ALL OTHER CITY LAND DEVELOPMENT REGULATIONS OR IF IT IS SUBSEQUENTLY DETERMINED THAT THE DESIGN WOULD ADVERSELY IMPACT THE PUBLIC’S SAFETY, HEALTH, WELFARE OR PROPERTY. 13. WATER QUALITY CONTROLS ARE REQUIRED FOR ALL DEVELOPMENT PURSUANT TO THE LAND DEVELOPMENT CODE. 14. PUBLIC SIDEWALKS, BUILT TO CITY OF AUSTIN STANDARDS, ARE REQUIRED ALONG THE FOLLOWING STREETS AND AS SHOWN BY A DOTTED LINE ON THE FACE OF THE PLAT: [STARLIGHT DRIVE, STARRY SKY CT.]. THESE SIDEWALKS SHALL BE IN PLACE PRIOR TO THE LOT BEING OCCUPIED. FAILURE TO CONSTRUCT THE REQUIRED SIDEWALKS MAY RESULT IN THE WITHHOLDING OF CERTIFICATES OF OCCUPANCY, BUILDING PERMITS, OR UTILITY CONNECTIONS BY THE GOVERNING BODY OR UTILITY COMPANY. 15. STREETS WILL BE CONSTRUCTED TO CITY OF AUSTIN STANDARDS AND WILL BE DEDICATED AS PUBLIC R.O.W. WITH THE FINAL PLAT. 16. THIS SITE IS LOCATED OVER THE EDWARD'S AQUIFER CONTRIBUTING ZONE ACCORDING TO THE CITY OF AUSTIN'S DETERMINATION 17. TREE AND TOPOGRAPHIC SURVEY PERFORMED BY KFW SURVEYING ON 11-02-2016 18. LOTS 1 , 12, AND 13 SHALL NOT BE USED FOR RESIDENTIAL DEVELOPMENT. 19. THE MAXIMUM PORTION OF ANY COMMERCIAL, MULTI-FAMILY, OR SINGLE FAMILY/DUPLEX LOT THAT MAY BE ESTABLISHED AS TURF OR LANDSCAPE IS 15 PERCENT. HOWEVER, NO LOT SHALL BE RESTRICTED TO LESS THAN 2000 SQUARE FEET OF TURF OR LANDSCAPE AREA. UNDISTURBED NATURAL AREAS OR AREAS RESTORED TO NATURAL CONDITIONS SHALL NOT BE CONSIDERED LANDSCAPE OR TURF. 20. THE COVENANTS, CONDITIONS AND RESTRICTIONS (CCRS)HAVE BEEN RECORDED AS DOC #__________________ OF THE OFFICIAL PUBLIC RECORDS OF TRAVIS COUNTY. THE HOMEOWNERS ASSOCIATION BYLAWS HAVE BEEN RECORDED AS DOC #__________________ OF THE OFFICIAL PUBLIC RECORDS OF TRAVIS COUNTY. “THE MAXIMUM PORTION OF ANY COMMERCIAL, MULTI-FAMILY, OR SINGLE FAMILY/DUPLEX LOT THAT MAY BE ESTABLISHED AS TURF OR 21. LANDSCAPED IS 15 PERCENT. HOWEVER, NO LOT SHALL BE RESTRICTED TO LESS THAN 2000 SQUARE FEET OF TURF OR LANDSCAPED AREA. UNDISTURBED NATURAL AREAS OR AREAS RESTORED TO NATURAL CONDITIONS SHALL NOT BE CONSIDERED LANDSCAPING OR TURF.” APPROVAL OF THIS SUBDIVISION PRELIMINARY PLAN DOES NOT IMPLY APPROVAL BY THE ENVIRONMENTAL REVIEWER OF ANY 22. GRADING THAT MIGHT BE NECESSARY TO ACHIEVE THE PROPOSED LOT AND ROADWAY LAYOUT. SHADOW RIDGE CROSSING SECTION 12 RECORDED AS DOCUMENT # 200000133 OF THE TRAVIS COUNTY PLAT RECORDS. THE R.O.W. 23. WILL BE DESIGNED AND CONSTRUCTED WITH THE FINAL PLAT SUBDIVISION CONSTRUCTION DRAWINGS PRIOR TO FINAL ACCEPTANCE OF THE SUBDIVISION AND PRIOR TO ISSUANCE OF ANY CERTIFICATES OF OCCUPANCY. A MINIMUM 5-FOOT SIDEWALK SHALL BE CONSTRUCTED WITHIN THE SIDEWALK, TRAIL, AND RECREATIONAL EASEMENT [AS SHOWN 24. ON THE PLAT OR DOCUMENT NUMBER _____ ]ACCORDING TO CITY OF AUSTIN STANDARDS AT THE TIME OF THE SUBDIVISION CONSTRUCTION APPLICATION. PARKLAND DEDICATION IS REQUIRED PER CITY CODE 25-1-601, AS AMENDED, PRIOR TO APPROVAL OF A FINAL PLAT IN THIS 25. SUBDIVISION. THE AREA TO BE DEDICATED IS SHOWN ON THIS PRELIMINARY PLAN AS LOT 12, BLOCK A. 26. CWQZ AND WQTZ WILL BE RESTORED PER AN APPROVED RESTORATION PLAN TO BE REVIEWED DURING THE PERMITTING OF THE CONSTRUCTION PLAN. APPROVAL OF THE RESTORATION PLAN IS REQUIRED PRIOR TO CONSTRUCTION OF ANY LOTS. EXECUTION OF THE RESTORATION PLAN SHALL TAKE PLACE IN CONJUNCTION WITH THE CONSTRUCTION PLANS. SEQUENCE OF CONSTRUCTION WILL BE REVIEWED DURING THE CONSTRUCTION PLANS REVIEW. . C . L . L , T N E M P O L E V E D D N A L S E L A R E P i s e c v r e S g n i t l u s n o C l a t n e m n o r i v n E d n a t n e m p o e v e D d n a L l 3 3 9 0 2 - F # . E . P . S . T N A L P Y R A N I M I L E R P S N E D R A G T H G I L I W T 7 3 7 8 T 7 , s N a I x T e S U A , E V I R D E C A R R E T T H G I L I W T 6 1 3 8 STREET TABLE ACCORDING TO TCM, FIGURE 1-22 R.O.W. LENGTH PAVEMENT WIDTH STREET CLASSIFICATION CURB BASIS SIDEWALK STARLIGHT DRIVE 50' 623.1 LF 27' LOG - LOG ASMP LEVEL 1 10' 5' PAVED SIDEWALK STARRY SKY CT. 50' 1062.1 LF 27' LOG - LOG ASMP LEVEL 1 10' 5' PAVED SIDEWALK CURB TYPE STD. 6" CURB & GUTTER STD. 6" CURB & GUTTER LAND USE SUMMARY: GROSS ACREAGE ZONING: SF-1 CO-NP THIS SUBDIVISION IS IN THE BARTON SPRINGS ZONE AND SUBJECT TO 25-8 CODE REQUIREMENTS FOR THE BARTON SPRINGS ZONE FLOODPLAIN INFORMATION: 17.92 ACRES ACCORDING TO THE FEMA FLOOD INSURANCE RATE MAP FOR TRAVIS COUNTY, TEXAS, MAP NO. 48453C0560H, EFFECTIVE DATED SEPTEMBER 26, 2008, A PORTION OF THE PROJECT SITE IS LOCATED WITHIN THE 100-YEAR FLOODPLAIN. WATER SERVICE INFORMATION: THIS PROJECT IS LOCATED IN THE WILLIAMSON CREEK WATERSHED AND IS CLASSIFIED AS BARTON SPRINGS ZONE BY THE CITY OF AUSTIN. THE PROJECT WILL BE DEVELOPED, CONSTRUCTED AND MAINTAINED IN CONFORMANCE WITH THE TERMS AND CONDITIONS OF THE CITY OF AUSTIN WATERSHED DEVELOPMENT ORDINANCE. THE APPLICABLE WATER QUALITY ORDINANCE IS CHAPTER 25-8 OF THE CITY LAND DEVELOPMENT CODE. THIS SITE IS LOCATED IN THE CONTRIBUTING ZONE OF THE EDWARDS AQUIFER AS DEFINED BY THE TCEQ SHEET 1 OF 1 C8-2019-0112 3 of 3B-123 of 3