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Project Goals

Novato Sanitary District Wastewater Facilities Upgrade Presenter: Beverly James, Manager-Engineer Board of Directors: James Fritz, President Michael Di Giorgio, President Pro Tem Arthur Knutson William Long George Quesada. Project Goals. Energy Efficient Design Low Cost State Loan

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Project Goals

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  1. Novato Sanitary District Wastewater Facilities UpgradePresenter: Beverly James, Manager-EngineerBoard of Directors:James Fritz, PresidentMichael Di Giorgio, President Pro TemArthur KnutsonWilliam LongGeorge Quesada

  2. Project Goals Energy Efficient Design Low Cost State Loan Low-Impact Construction • Replace aging, failure-prone, unsafe facilities • Provide full secondary treatment to all flows – NO BLENDING • Meet regulatory requirements • Reduce carbon footprint • Cost-effective

  3. After almost 60 years of Service Novato Sanitary District breaks ground for a new plantSeptember 2006

  4. Novato Sanitary District Energy Efficient Design Low Cost State Loan Low-Impact Construction • Serves about 60,000 residents. • 200 miles of sewers, 40 pump stations • Two wastewater treatment plants, • 0.5 mgd tertiary recycled water treatment plant • 820 acres of ponds and irrigated pasture.

  5. Novato Sanitary District Service Area Ignacio Tributary Area Novato Tributary Area

  6. Project Overview • New transfer pump station and equalization basins replace Ignacio Treatment Plant • Pipeline from Ignacio Pump Station to Novato Plant • New Activated Sludge Plant at the Novato Plant site Average Dry Weather Flow 7 mgd Average Wet Weather Flow 10.3 mgd Peak 3-hour Flow 52 mgd

  7. Project Overview

  8. Treatment Process Schematic Gravity Bypass Septage Headworks Primary Clarifier ActivatedSludge Secondary Clarifier UV Effluent Influent Thickening Digestion Disposal

  9. Project Schedule

  10. Construction designed for minimum impact • Most construction takes place on existing treatment plant sites • Horizontal drilling through environmentally sensitive areas • Pipeline route selected to minimize traffic disruption • Archaelogical and biological monitors onsite during work in sensitive locations

  11. Project Cost

  12. Project Financing • State Revolving Fund Loan $81,329,083 • Revolving Line of Credit $30,000,000(5 year Bridge loan at 4.34%) • Certificates of Participation $16,000,000or Revenue Bonds • PG&E Savings by Design $80,000Grant

  13. Greenhouse Gas Emissions • Evaluated the greenhouse gas footprint of current treatment facilities and each alternative • Selected the process with the lowest greenhouse gas footprint (0.0066 lbs CO2 equivalent/year/mgd capacity) • New facility represents a 13% reduction in greenhouse gas footprint over existing facility. • Evaluated individual equipment based on energy use.

  14. Horizontal Drill

  15. Pipe Layout for Horizontal Drill

  16. Directors Jim Fritz and Bill Long Inspecting Construction

  17. Ignacio Equalization Basin Project Overview Approach Energy Efficient Design Energy Production Summary

  18. Ignacio Pump Station

  19. Project Team • Project Manager: Sandeep Karkal, NSD • Planning and Design: RMC Water • Environmental: ESA • Value Engineering: HDR & Covello • Constructability Review: HDR & Covello • Construction Management: HDR & Covello • Contractors:Pre-loading: Ghilotti Brother’s ConstructionIgnacio Pump Station: Maggiora & GhillottiIgnacio Pipeline: Ghilotti ConstructionNovato Treatment Plant: Monterey Mechanical

  20. Thank YouQuestions? Contact Information: Novato Sanitary District500 Davidson Street (415)892-1694 www.novatosan.com Beverly James: bevj@novatosan.com

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