1 / 20

City of Cedar Park, TX

Water Reuse Program & Brushy Creek Sports Park Irrigation Eric Rauschuber, P.E., Director of Utilities. City of Cedar Park, TX. Location. TCEQ Region 11 TWDB Region G (Brazos) (officially) Region K (20%). History. 1 st PWS 1972 – Cedar Park Water Supply Corporation

binh
Download Presentation

City of Cedar Park, TX

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Water Reuse Program & Brushy Creek Sports Park Irrigation Eric Rauschuber, P.E., Director of Utilities City of Cedar Park, TX

  2. Location • TCEQ Region 11 • TWDB Region G (Brazos) • (officially) • Region K (20%)

  3. History • 1st PWS 1972 – Cedar Park Water Supply Corporation • City Incorporates 1973, Assumes CPWSC • Creates WW System in 1983 w/ EPA grant • 1st 5/5/2/1 in Texas • 1st Organic phosphorus removal process in TX • Co-owner of Brushy Creek Regional Utility Authority - 2007 • Co-owner of Brushy Creek Regional Waste Water System - 2006

  4. Water SystemFrom 30,000’ • 83,887 people • 22,000 connections • 30% Commercial • 18,000 Ac-Ft Firm w/ LCRA • 138 GPCD • 324 miles of mains • 30.6 MGD Capacity (combined)

  5. Brushy Creek Sports Park • Opened in March 2009 • 2 ~ Baseball Diamonds • 3 ~ Soccer Fields • Skate Park • Basketball Court • Brushy Creek Regional Trail • Concept: Construct water reuse system 53 Ac-Ft / Yr (17.3 MG/Y)

  6. Source Reuse Water • Cedar Park Water Reclamation Facility • “Bed and Banks” permit existed for Avery Ranch Golf • Converted WRF to a Type II (by permit only, no CIP required)

  7. Reuse Path – Plant to Park Brushy Creek Road “DA”-PARK Parmer WRF EXTRACTION ERIC’S OFFICE BED & BANKS AVERY RANCH GOLF DISCHARGE POINT

  8. Specification Team • Whitney Milberger-Laird • Irrigation Design / Sizing / Grant / Mastermind • Non-evil Genius • TJ Dawkins, PE • Pumping System, Backflow & Pipeline Design • Kenneth Wheeler, PE • Permit modifications • Eric Rauschuber, PE • Structural Design / Administrative / Signed the checks / reads the meter

  9. Demand Sizing &Engineering – Existing Park

  10. Performance and Life • Design Life – 10 years with only manufacturer’s routine M&O • Pumping Efficiencies desired • 100 ~ Year FEMA FIRM shows 25 & 100 yr special flood hazard • (park has submerged in the past – Sept 2010) • So, system must be sufficiently durable over life in flood plain • Energy: 460+ volt is available – field lighting has capacity if irrigation and lights are not concurrently used • Displace all potable irrigation with reuse (530 Ac-Ft @ yr 10)

  11. Okay, now how much?Pros and Cons – Submersible v. FixedAgricultural v. Municipal Standard • Fixed Structure Submersible would cost more than $300,000 • Portable Agricultural Submersible < $100,000

  12. Selection and Specification

  13. Details of Grant Financing / Proposal Total estimated program cost = $85,550.00 Cost-share request1: $42,775.00 (50% minimum customer contribution of total; $61,480.00 based on $1,160 x 53 acre-feet saved annually) B2b Estimated Cost per Acre-Foot Savings Estimated water saved per year = 53 acre-feet Estimated lifetime savings: 530 acre-feet, assuming a 10-year life cycle Cost per acre-foot saved over lifetime of project2: $209 LCRA cost share funding per acre-foot1: $104 Customer cost share funding per acre-foot: $105 1 Assumes LCRA up-front cost of $1,160 per acre-foot saved, or $150 over 10 yr lifetime of project with 50% minimum customer contribution. 2 Using a discount rate of 5 percent.

  14. Financial • Project Budget $85,550 • Applied for grant with LCRA • Grant provides matching funds • Grant Amount $42,775 • City Cash (4B Community Dev.) • $42,775 • In-House Engineering & PM • In-House Construction / Install • 2011, 53 AC-Ft = 17,270,000 gal = $8,635 / year • 10-year savings = $86,350 (– electrical, m&o) • Break-even at 5 years w/ grant or 10 years without

  15. Grant Award • LCRA approved grant • Equipment $2,976 • Labor $11,100 • Materials and Supplies $71,474 • Total $85,550 • 50% LCRA $42,775 • 50% Cedar Park $42,775

  16. Procurement • Because the City Portion was < $50,000, state law required written competitive quotes from three vendors for material procurement, or product selection of cooperative purchasing agency. • The lowest pump & control package was $48,000 • In-house labor • Balance of equipment purchased from cooperatives

  17. ProductDelivery

  18. Signage / Notification

  19. Next: Milburn Park, LCP, Twin Creeks, CP High • 8,000 LF of 8” pipe under Construction • 4,000-10,000 additional needed • Pumping Station @ WRF • 2016-2019 target • Grant opportunity

  20. Credits • LCRA • City of Cedar Park Community Development Corporation, Inc. (4B) • City of Cedar Park Employees Questions

More Related