20200205-006b: Aspen Heights Multifamily SER #4629 Memo — original pdf

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ITEM FOR ENVIRONMENTAL COMMISSION AGENDA COMMISSION MEETING DATE: February 5, 2020 NAME & NUMBER OF PROJECT: Aspen Heights Multifamily Wastewater Service Extension Request #4629 NAME OF APPLICANT OR ORGANIZATION: Caitlin Kuglen, P.E., Kimley Horn Associates LOCATION: 11210 N FM 620 RD, Austin, TX 78726 COUNCIL DISTRICT: Austin 2-Mile Extraterritorial Jurisdiction PROJECT FILING DATE: November 18, 2019 WPD/ENVIRONMENTAL STAFF: Kaela Champlin, Environmental Officer’s Office (512) 974-3443, kaela.champlin@austintexas.gov WATERSHED: REQUEST: STAFF DETERMINATION: Lake Travis Watershed, Water Supply Rural and Bull Creek Watershed, Water Supply Suburban, Edwards Aquifer Recharge Zone, Drinking Water Protection Zone Wastewater Service Extension Recommended 1 MEMORANDUM January 27, 2020 Kaela Champlin, Environmental Officer’s Office Linda Guerrero, Chair, and Members of the Environmental Commission TO: FROM: DATE: SUBJECT: Aspen Heights Multifamily Wastewater Service Extension Request #4629 Service Extension Requests (SER) located in the Drinking Water Protection Zone and outside of the City of Austin’s full purpose jurisdiction require Council approval and review by the Environmental Commission. Watershed Protection Department staff has completed the review for Aspen Heights Multifamily Wastewater SER #4629 and recommend approval of the request. Site Overview The site consists of one tract of approximately 14.70 acres, located at 11210 FM 620 Road in the City of Austin’s 2-mile extraterritorial jurisdiction. The site is in the City of Austin’s Limited Purpose Jurisdiction The site is currently operating as a driving range without water or wastewater service. The applicant is proposing to develop a multifamily development with three four-story buildings with a total of 215 units, with associated leasing and amenity centers. Development Impacts Water: City water will be provided to the site, but a water SER is not required because water is in the front of the property along FM 620. Wastewater: The Applicant shall construct approximately 125 feet of appropriately sized gravity wastewater main from the existing 8-inch gravity wastewater main (Project No. 2015-0850) on the east side of N FM 620 and extend west across N FM 620 Rd to the subject tract, as approximately shown on the attached map. The applicant shall also construct an appropriately sized upgrade to the existing Volente Lift Station (approximately 220 gpm firm capacity). Upgrades shall include, but are not limited to, replacement of existing pumps, generator, and starters. 2 Environmental Impacts The property is split between the Lake Travis watershed, classified as Water Supply Rural, and the Bull Creek watershed, classified as Water Supply Suburban. The site is in the Drinking Water Protection Zone, and the Edwards Aquifer Recharge Zone, and drains to occupied Jollyville Plateau Salamander habitat. An Environmental Resource Inventory was conducted by the applicant, and no known recharge critical environmental features or critical environmental features were found onsite. Recommendation Staff recommends approval of Wastewater SER #4629. Staff review determined that there are no significant environmental risks to extend service to the site. The proposed project is consistent with Austin Water’s business plan and located within the Council-approved impact fee boundary. Additionally, previous SERs have been approved by Council within a one-mile radius of the site. cc: Kevin Critendon, P.E., Austin Water Colleen Kirk, P.E., Austin Water Katie Frazier, P.E., Austin Water Chris Herrington, P.E., Watershed Protection Department 3 WATER AND WASTEWATER SERVICE EXTENSION REQUEST FOR CONSIDERATION Name: Aspen Heights Multifamily Service Requested: Wastewater SER-4629 Hansen Service Request Number 823588 Date Received: 10/17/2019 Location: 11210 N FM 620 RD AUSTIN TX 78726 Acres: 14.70 Land Use: MULTI FAMILY LUE: 152 Alt. Utility Service or S.E.R. Number: City of Austin Water Service Available Quad(s): E38 Reclaimed Pressure Zone: N/A DDZ: NO Drainage Basin: BULL Pressure Zone: NORTHWEST C DWPZ: YES Flow (Estimated Peak Wet Weather): 111 GPM Cost Participation: $0.00 % Within City Limits: 0 % Within Limited Purpose: 0 Description of Improvements: Applicant shall construct approximately 125 feet of appropriately sized gravity wastewater main from the existing 8-inch gravity wastewater main (Project No. 2015-0850) on the east side of N FM 620 and extend west across N FM 620 to the subject tract, as approximately shown on the attached map. Applicant shall also construct an appropriately sized upgrade to the existing Volente Lift Station (approximately 220 gpm firm capacity). Upgrades shall include, but are not limited to, replacement of existing pumps, generator, and starters. NOTE: Wastewater flow based on engineering calculations received from Caitlin E. Kuglen, P.E. of Kimley-Horn and Associates, Inc. on 10/17/2019. Approval of this Service Extension Request is subject to completion and acceptance of the improvements described above and the conditions set forth below: 1) Construction of all Service Extensions is subject to all environmental and planning ordinances. 2) Service Extensions are subject to the guidelines established in the Land Development Code, Chapter 25-9, Water and Wastewater Utility Service. 3) An approved Service Extension is not a reservation of capacity in the system, but is an acknowledgment of the intent to serve. Available capacity shall be confirmed at the time a development application is submitted. 4) The level of service approved by this document does not imply commitment for land use. 5) Public utility mains must meet City of Austin Design and Construction Criteria and must be approved by Austin Water Engineering Review. 6) Proposed public wastewater improvements will be dedicated to the City of Austin for ownership, operation, and maintenance. 7) Proposed public wastewater improvements must be placed in the public right-of-way or approved utility easements. Utility easements must be approved by Austin Water Engineering Review and must be in place prior to construction plan approval. 8) The approved Service Extension will automatically expire 180 days after date of approval unless a development application has been accepted by the Development Services Department. The Service Extension expires on the date the development expires, or if approved, on the date the development application approval expires. 9) Approval by the City Council will be required based on Austin City Code § 25-9-35. R E T Y D N I W 954 9 3 0 946 982 2 7 9 970 974 9 7 4 966 962 9 9 6 9 8 4 ANDERSON MILL RD 2 3 9 9 3 6 9 3 8 978 9 6 4 958 9 6 6 948 986 9 8 6 9 9 4 1 0 3 2 6 2 0 1 1028 0 2 0 1 1022 2 1 0 1 0 2 0 1 8 2 0 1 1032 1 0 3 4 1 0 3 6 1 0 3 4 1034 1034 1 0 3 4 1032 1034 1026 1 0 3 0 1030 1028 2 3 0 1 2 3 0 1 STAFF PROPOSED UPGRADE TO VOLENTE LIFT STATION 960 9 7 6 9 6 8 0 8 9 982 E38 988 992 9 9 0 99 8 1 0 0 0 1 0 0 2 1 0 1 4 1 0 1 4 1 0 1 6 1018 1 0 2 0 1 0 1 4 1018 1 0 1 6 \ \ % \ 2 \\\ " P \ V \ % C \ \\ \ % % !P % !P$. % \\ 2" P V C \ !P !P % % 1032 1030 1 0 2 6 % 8" PVC !P !P % % % %% !P 1034 8" P 8" PV C % N F M 620 R D 4" DI \ \ \ \ \ !P % V C % %% !P !P % !P \ \ \ % \ \ % 1024 1024 10 24 1022 1020 4 2 0 1 % !P % !P % \ \ \ \ \ \ \ % \ \\ 1 0 1 8 % !P \ % \ $. % !P \ \ \ % 8" P V C % % !P 8" P V C ! ! % $. !P !P ! !! !!% % !P % 1 0 0 0 \\ \ % % !P \ \ VOLENTE LS \ "J[7L \ !P %% !P 994 \ % 1 0 0 8 9 9 6 1 0 0 2 99 4 9 8 4 980 2 1 0 1 1 0 0 6 1014 1 0 1 4 !P !P !% % ! ! ! ! ! ! ! ! 8 0 0 1 ! ! % ! ! ! ! ! 6 0 0 1 6 0 0 1 !P % ! ! ! ! ! ! ! C V % " P 8 ! 9 8 6 9 9 4 9 9 2 A L O E V E R % 1 0 1 6 E L S 1 0 2 0 A LID O P K W 4 2 0 1 !P % % !P ALO E VE R A TRL !P % Y % !P 1012 % % !P 1018 % 8" P V C 1 0 1 8 % !P 10 24 8" PV C % 1030 1030 % !P % 8" P V C V % !P C % !P 8 " P 28 10 C % V P " 8 % !P 1 0 L R T R A R B E SHOW BARN CV L G N A T !P % !P % 2 6 I O M S O N C WILLIA T R A VIS C 1022 O U N U N TY T Y % 8 % " P V C % % !P 1 0 1 8 1 0 1 6 % 9 9 8 N L R E L T N A 1 0 1 4 0 1 0 1 !P ! % !! ! ! !P % % C V " P 8 !P !% !! FO 0 1 0 1 8 8 9 UNDATIO 4 0 0 1 N RD STAFF PROPOSED APPROXIMATELY 125 FEET OF APPROPRIATELY SIZED GRAVITY WASTEWATER MAIN N R L E L T N A 9 7 8 4 0 0 1 9 9 0 4 8 9 9 7 4 2 7 9 966 9 6 8 2 6 9 TU R TLE LN 982 9 7 6 960 9 4 4 9 3 4 9 4 2 9 5 6 950 952 940 0 6 9 946 9 3 4 9 2 0 926 9 3 0 918 922 8 3 9 9 6 2 % 958 954 0 7 9 958 9 9 2 3 4 9 6 4 8 916 932 % !P % C V P " !P % 8 L A !P % U R E L C R E % E K 9 2 8 !P!P % R C I !P % % % 1 0 0 0 1 0 0 8 0 1 0 1 1 0 1 2 1 0 1 2 2 1 0 1 4 1 0 1 0 250 500 1,000 1,500 Feet W.W. S.E.R. Name: Aspen Heights Multifamily W.W. S.E.R. Number: 4629 Utility Development Services Plotted 11/15/2019 Subject Tract Full-Purpose City Limit 2-Mile ETJ Limited-Purpose City Limit Cedar Park City Limits Cedar Park ETJ This product is for informational purposes and may not have been prepared for or be suitable for legal, engineering, or surveying purposes. It does not represent an on-the-ground survey and represents only the approximate relative location of the property boundaries. This product has been produced by the City of Austin for the sole purpose of geographic reference. No warranty is made by the City of Austin regarding specific accuracy or completeness. W IN D Y RID G E R D D38 1 0 0 4 992 9 8 8 9 9 2 994 9 8 0 9 8 4 6 9 9 972 8 7 9 2 8 9 E37 9 9 8 9 9 4 D37 0 9 9 6 8 9 . DRAFT