Item 11 - Service Extension Request Number 5002 for Water Service — original pdf

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Item 11 Water & Wastewater Commission: January 14, 2026 Council: January 22, 2026 Posting Language ..Title Recommend approval to authorize negotiation and execution of a cost participation agreement with Lennar Homes of Texas, Inc. for the City to reimburse the developer an amount not to exceed $568,225 for design and construction costs associated with a water main and appurtenances related to Service Extension Request No. 5002 that will provide water service to a proposed single-family development located on FM 812, east of Highway 183 and west of FM 973. Funding: $568,225 is available in the Capital Budget of Austin Water. ..De Lead Department Austin Water. Fiscal Note Funding: $568,225 is available in the Capital Budget of Austin Water. Council Committee, Boards and Commission Action: January 14, 2026 – To be reviewed by the Water and Wastewater Commission. Additional Backup Information: The Wong Tract project consists of approximately 123 acres of land located on FM 812, east of Highway 183 and west of FM 973 (Property). The Property is located entirely within the City’s two-mile extraterritorial jurisdiction, Impact Fee Boundary, Austin Water’s service area, the Desired Development Zone, and the Cottonmouth and North Fork Watersheds. A map of the property location is attached. Lennar Homes of Texas, Inc. (Owner) is proposing to develop approximately 774 single-family homes and an amenity center. The Owner requested that the City provide water utility service to the Property as proposed in Service Extension Request (SER) No. 5002. Austin Water will also provide retail wastewater service to the Property as proposed in SER No. 5003. In accordance with City Code Chapter 25-9, the City has asked the Owner to oversize the water main to serve additional properties within the Central South water pressure zone consistent with the City’s long range planning goals for this area. If approved by City Council, the City will cost participate in this construction project only to the extent of the City’s proportionate share of the oversized main. The proposed oversized improvements include construction of approximately 4,570 feet of 16-inch water main from the existing 6-inch water main in FM 812, northwest along FM 812 to the existing 16-inch water main also located in FM 812. The City will reimburse the Owner for an overall total amount not to exceed $568,225 for hard costs and soft costs. Hard costs include, but are not limited to, construction and materials. Soft costs include, but are not limited to, preliminary engineering reports, surveying, geotechnical studies, design, and project management. The City’s cost participation by project component is as follows: • For costs of the 16-inch water main (the minimum pipe diameter of 12-inches required to serve the Property increased to an oversized 16-inch) and appurtenances, the City’s maximum participation consists of: (1) hard costs, in an amount not to exceed 25 percent of the hard costs of the 16-inch water main and appurtenances, and (2) soft costs, in an amount not to exceed 15 percent of the City’s hard cost participation amount.  Item 11 Water & Wastewater Commission: January 14, 2026 Council: January 22, 2026 To serve the Property, the Owner will additionally be required to construct, at their own cost: • approximately 4,745 feet of 16-inch water main from the proposed oversized 16-inch water main in FM 812 south and southeast through the Property to the existing 24-inch transmission main in FM 812 o This water main is also oversized, but the Owner has elected not to request cost participation for this portion of the proposed improvements Other terms of the agreement require that the Owner complete the following: • Pay all costs for financing, interest, fiscal security, accounting, insurance, inspections, permitting, easement acquisition, legal services, and other non-reimbursable soft costs associated with the project; • Conform to the City’s design criteria and construction standards; • Construct all improvements at their cost and, after the City’s final approval of the construction, dedicate the facilities to the City for ownership, operation, and maintenance; • Allow the City to use the project plans and specifications approved by the City to solicit and publish • invitations for bids for the construction of the improvements; and Follow the City’s standard bidding practices and procedures, including the minority-owned business enterprise procurement program found in Title 2 of the City Code, and Texas Local Government Code Chapters 212 and 252. The proposed project will be managed through Austin Water staff and is located in zip code 78719, near City Council District 2. Water and Wastewater Commission: January 14, 2026 Item 11 LOCATION MAP Wong Tract Water SER-5002 RESERVIST RD E V G A NIN W O R A B M M E M15 M14 SHAW LN L15 DIGNITY CIR BURLESON RD INDUSTRY WAY B N Y W H 3 8 1 S U S ONION CREEK D N E B L VIL E N N O B R D A R A K D E E G A B RIEL C LLIN S R D COTTAGE ROSE DR O L14 B S Y W H 3 8 1 S U S R D G N D O O G I HILLMOORE DR N15 N14 L P W O R E G D E H D R R E H C N F I P15 PEARCE LN P14 S SH 130 NB ELROY RD D LV G B SIN S O R S C E R O O M P13 G N A XI IN P M A C GEMMER ST APPERSON ST L G P WIN D R R VIE O O M D E E R C K13 L13 LAVA HILL RD E WILLIAM CANNON DR ALPHABET DR FINIAL DR FLATBUSH DR BOATHOUSE DR AUSBLICK AVE DINGO DR K11 D 5 R 2 6 M 1 F M12 L12 M13 FM 812 RD N13 D 3 R 7 M 9 S F LINDA VISTA DR 3 B 0 S H 1 S S N Y L R E W O T D AIN R B N12 B B D N D S R R V V 0 S 0 S 3 3 H 1 H 1 S S S S SAN JOSE AVE LONESOME LN T H S T E S D FAIT L L E O O G DRY CREEK EAST N11 MC KENZIE RD M11 D 3 R 7 M 9 S F CITATION AVE L11 E SLAUGHTER LN D 3 R 7 M 9 S F K10 L10 S U S 1 8 3 H W Y N N L O S P SIM K9 SHIVELY LN RODRIGUEZ RD L9 A CIR H A M M10 N10 MOORE RD N R L E K C O L B LAMBERT LN M9 N9 N8 P12 R O S S R D D S R U G N C A M P11 PILAND TRIANGLE P10 D S R M R D FA Grid N U L K R Subject Tract U B 2-Mile ETJ Full-Purpose City Limit P9 5-Mile ETJ Limited-Purpose City Limit Unincorporated County Village of Mustang Ridge Full Purpose Village of Mustang Ridge ETJ P8 / 0 1,500 3,000 6,000 M8 Feet 9,000 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 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. 11/25/2025 Water and Wastewater Commission: January 14, 2026 Item 11 530 6" È( ·. ·. ·. ·. È( D ·. R R 8" O AIRLINE TER O È( M ·. ·. ·. ·. D ·. E E R C 0 3 5 ·. 0 4 5 ·. STAFF PROPOSED APPROXIMATELY 4,570 FEET OF OVERSIZED 16-INCH WATER MAIN ·. È(È(È( ·. ·. ·. ·. ·. 8" M13 2.25" 0 5 5 È( 5 3 0 5 3 0 5 3 0 510 520 540 530 540 530 560 560 550 550 0 5 5 0 5 5 0 4 5 0 6 5 550 570 540 550 0 5 5 0 6 5 L13 ·( ·. ·( ·. 0 7 5 0 7 5 590 560 0 6 5 0 6 5 570 540 560 5 4 0 L12 M12 54 0 KINDER-MORGAN INC FM 812 RD 540 È( ·. PHILLIPS PIPELINE CO ·. È( ·. 5 7 0 560 550 C I T G O P R O D U C T S P I P E L I N E C O M P A N Y 560 530 530 520 STAFF PROPOSED APPROXIMATELY 4,745 FEET OF OVERSIZED 16-INCH WATER MAIN 530 560 L11 590 570 580 530 560 570 MC KENZIE RD M11 510 500 500 12" ·. È( ·. ·. D 24" 73 R ·. M 9 S F È( ·. ·. 570 ·. ·. ·. ·. 550 WILLIAMS PIPE LINE COMPANY ·. 6" 8" ·. 6" 560 D 36" 3 R 7 M 9 S F È( ·. ·. ·. ·. ·. ·. È( MC ANGUS RD È( ·. ·. ·. ·.·. ·. ·. ·. ·. ·. ·. ·. ·. È( ·. ·. È( ·. ·. 5 3 0 È( È( SAN JOSE AVE 8" ·. ·. È(È( ·. 5 1 0 0 4 5 È( ·. 530 520 ·. È( ·. ·. ·. ·. 0 4 5 È( ·. ·. È( È( ·.E ·. ·. ·. ·. ·. È( ·. " 4 2 È( ·.·. ·. ·. ·. 520 È( ·. 2 LONESOME LN 4 " ·.·. ·. ·. ·. 8" È( ·. ·. 8" ·. 500 520 510 È( ·. ·. ·. ·. È( ·. ·. 8" T H S AIT GUDRUN ST D F O ISSA ST O ZILLY ST G T E S L L E 8" È( ·. ·. ·. . 0 500 1,000 2,000 3,000 Feet W. S.E.R. Name: Wong Tract W. S.E.R. Number: 5002 Utility Development Services Plotted 3/25/2025 Subject Tract Full-Purpose City Limit 2-Mile ETJ Unincorporated County 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.