Item 12 - Service Extension Request No. 6039 for Wastewater Services — original pdf

Backup

Item 12 Water & Wastewater Commission: July 15, 2026 Council: July 23, 2026 Posting Language ..Title Recommend approval to authorize negotiation and execution of a cost participation agreement with Vanterra Capital Group, LLC for the City to reimburse the developer an amount not to exceed $5,720,080 for design and construction costs associated with oversizing a wastewater lift station, force main, and gravity wastewater main and appurtenances related to Service Extension Request No. 6039 that will provide wastewater service to a proposed mixed-use development located in the City’s extraterritorial jurisdiction south of Killingsworth Lane, west of Cameron Road and north of Howard Lane. Funding: $5,720,080 is available in Capital Budget of Austin Water. Fiscal Note Funding of $5,720,080 is available in Capital Budget of Austin Water. Council Committee, Boards and Commission Action: July 15, 2026 – To be reviewed by the Water and Wastewater Commission. Additional Backup Information: The Fossil Creek project consists of approximately 16 acres of land located south of Killingsworth Lane, west of Cameron Road and north of Howard Lane (Property). The Property is located entirely within the City’s two-mile extraterritorial jurisdiction, Impact Fee Boundary, Austin Water’s wastewater service area, the Desired Development Zone, and the Gilleland Creek Watershed. A map of the Property location is provided. Vanterra Capital Group, LLC (Owner) is proposing to develop approximately 195 single-family townhomes and approximately 200 multi-family units. The Owner requested that the City provide wastewater utility service to the Property as proposed in Service Extension Request (SER) No. 6039. Austin Water will also provide retail water service to the Property as proposed in SER No. 6398. In accordance with City Code Chapter 25-9, the City has asked the Owner to oversize the gravity wastewater main, lift station, and force main to serve additional properties within the Gilleland Creek drainage basin 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 gravity wastewater main, lift station, and force main. The proposed oversized improvements include construction of: • • • a 1,075 gallons per minute (gpm) lift station located at an appropriate low point within the boundaries of the Property, approximately 3,100 feet of force main from the proposed lift station northwest through the Property and then southwest across an unnamed tributary of Gilleland Creek to the existing 8-inch force main located outside the Coomer Path Lift Station site, and approximately 3,000 feet of 18-inch gravity wastewater main from the proposed lift station northwest through the Property and then southwest across an unnamed tributary of Gilleland Creek to the existing 15-inch gravity wastewater main located outside the existing Coomer Path Lift Station site. The City will reimburse the Owner for an overall total amount not to exceed $5,720,080 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.  Item 12 Water & Wastewater Commission: July 15, 2026 Council: July 23, 2026 The City’s cost participation by project component is as follows: • For costs of the 1,075 gpm lift station and force main (the minimum pumping capacity of 164 gpm required to serve the Property increased to an oversized pumping capacity of 1,075 gpm) and appurtenances, the City’s maximum participation consists of: (1) hard costs in an amount not to exceed 84.74 percent of the hard costs of the lift station, force main, and appurtenances, and (2) soft costs in an amount not to exceed 15 percent of the City’s hard cost participation amount. • For costs of the 18-inch gravity wastewater main (the minimum pipe diameter of 8-inches required to serve the Property increased to an oversized 18-inch) and appurtenances, the City’s maximum participation consists of: (1) hard costs in an amount not to exceed 56 percent of the hard costs of the 18-inch gravity wastewater main and appurtenances, and (2) soft costs in an amount not to exceed 15 percent of the City’s hard cost participation amount. 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 the City’s extraterritorial jurisdiction in zip code 78660, near City Council District 1. File ID: 26-2047 R35 N S H 1 3 0 S V R D N B N S H 1 3 0 S B I M P A C T W A Y R34 KILLIN G S W O RTH LN R33 GREGG MANOR RD D N R O R E M A C R32 ROUTENBURN ST GRAYMONT DR P35 N R L A ZIB N A Z RENDOVA LN BUMBLEBEE DR Q35 LOCATION MAP Fossil Creek Wastewater SER-6039 KILLINGSWORTH LN E PFENNIG LN City of Austin Council Meeting Backup: July 23, 2026 N N L O N T E L LIP TIM M A E R D D U R A R S Y D S E D R R E B W D W E D R O L L O Y H P E E L S R E D G RID Y Z A L MAGIC HILL DR SERENITY DR TOPAZ RD PERIDOT RD SPINEL RD NIGHTVIEW DR DENNY LN D L R Q34 E U N SANDROCK BND A M IM MILLHOUSE DR R L D MIL Y H P34 R T D N E M T S E V IN R LOURIS LN CRYSTAL BEND DR PIA D M D LY E R LEAFY LN O D K R P R O E D H N MID A G B R RID R G D R E B D D D RIDIN S N K U N C A O L T S TOTLEY RD G IS N O L AMADORA WAY HALITE BND HOLLOWAY DR CARVIN WAY MABLO RIDGE DR HASKIN RIDGE LN E W E L L S B R A N C H P K W Y SLAB CIR LF B D N N L L R RIL E P HIS W E C R E T T H Y S HIN D WIN Q33 LEVY LN Y A Y A W O L L I D A N A R G D R R E G A W U L UIL F A P Q IM N A R A T D A R T N E SCHWARTZ LN D G R R T D NIN UIS R Q E B O B R A D R R TA N A C EGAN DR KOTCHE ST COUCH DR ORTMAN DR T K S R E L C R N D D E L L R FIE O M Y LIS E AIL B TULLY DR HANDSOME DR R N D R A S D M STIRRAT ST E N N R N A E E H K R T D R T T U D S S TAT R S S Y O S E A L D L R L A M A A G U K H O H M C Q32 N D L R A Y E T Y S G O L O H T N A D VIN R O F X O GREGG LN Y W K H P C N A R RIS B R A H H A R RIS B P33 R A N C H C R E E K R R N D L D O G HIL Y N A MIN HIP C R A S H KIN C P32 E YAGER LN P31 D LV G B N U S M A S / 0 ESTORIA LN D Y R E S L U H T N S E D Y FAY S R T R CIR A V O N IN N R L E G E YA COLINTON AVE LIBERTON LN SILICON DR Q31 E PARMER LN T M S NIU TITA R31 Grid Subject Tract E HOWARD LN Full-Purpose City Limit 2-Mile ETJ N L L HIL 5-Mile ETJ Limited-Purpose City Limit Unincorporated County City of Pflugerville Full Purpose City of Pflugerville ETJ R30 1,000 2,000 4,000 Feet 6,000 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. 6/22/2026 City of Austin, Council Meeting Backup: July 23, 2026 File ID: 26-2047 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P!P[7L!STAFF PROPOSEDOVERSIZEDLIFT STATIONSTAFF PROPOSEDAPPROPRIATELY SIZEDWASTEWATER EASEMENTFOR FUTURE UPPERGILLELAND INTERCEPTORSTAFF PROPOSED ABANDONEXISTING PUBLIC LIFT STATIONSTAFF PROPOSEDAPPROXIMATELY 3,100 FEETOF APPROPRIATELY SIZEDFORCE MAINSTAFF PROPOSED APPROXIMATELY3,000 FEET OF OVERSIZED 18-INCHWASTEWATER INTERCEPTOR(MINIMUM 0.4% SLOPE)CLERKSTLEVYLNEGANDRKOTCHESTMACQUARIEDRBAILEYFIELDDRYEOMANSTHEIDHORNDRCOUCHDRBELZERDRLISMORELNHEYWOODDRNIDDRYDRGEELONGDRBRYWOODDRDAMPIERPASSCANTARRADRKIRKGATETRLCOOMERPATHBEECHMONTDRCRYSTALBENDDRNESKARDRPOGBAPATHQUARRYBANKDRORTMAN DRCLERKCVTEESDALECVPERTHPASSSTEPHANSST600610620590630580650640660570570600630620630600590590590590610610600590620600600630Q33Q32COOMER PATH LS1628"DI6"PVC12"PVC8"PVC8"PVC8"PVC8"PVC12"PVC12"PVC12"PVC8"PVC8"PVC8"PVC8"PVC8"PVC8"PVC8"PVC8"PVC8"PVC8"PVC8"PVC12"PVC8"PVC8"PVC8"PVC8"PVC8"PVC8"PVC8"PVC8"PVC8"PVC8"PVC8"PVC8"PVC12"PVC8"PVC8"PVC8"PVC8"PVC8"PVC8"PVC8"PVCW.W. S.E.R. Name: Fossil CreekW.W. S.E.R. Number: 6039.Utility Development Services Plotted 10/28/202405001,0001,500250FeetSubject Tract100-yr FEMA FloodplainCritical Water Quality ZoneFull-Purpose City Limit2-Mile ETJThis 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 relativelocation 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.