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TBRR Workshop, University of Washington
- 1. Reservoir Construction Case: Tampa Bay Regional Reservoir By Franz Campero, PhD, PE, MBA
- 2. Project Background New Port Richey Pinellas Co. Pasco Co. Tampa St Petersburg •2 Million Residents Served •250 mgd Average Daily Demand Hillsborough Co.
- 3. Project Background Enhanced Surface Water System • Three sources – Alafia River, Tampa Bypass Canal & Hillsborough River (197 mgd pumping capacity) • One treatment plant (66 mgd capacity) • One storage element (15 billion gallons)
- 5. Project Background Enhanced Surface Water System To Regional System Hillsborough River Tampa Bypass Canal Pump Station Treatment Plant Pump Station Alafia River Reservoir
- 6. Project Background - Components Tampa Bypass Canal Pump Station • Hillsborough River High Water – Minimum 65 mgd over Tampa Dam – Withdrawals increased from 10% to 30% of total flow • Tampa Bypass Canal – Minimum 7 mgd over downstream structure – Withdrawals of 80% of total flow • Total Design Capacity – – 145 mgd
- 7. Project Background - Components Alafia River Pump Station Alafia River – Minimum 80 mgd Flow in River – Withdrawals of 10% of total flow, up to 52 mgd
- 8. Project Background - Components • Capacity 66 mgd • Water Sources – Alafia River – Hillsborough River – Tampa Bypass Canal • Constructed through a DBO process Tampa Bay Regional Water Treatment Plant
- 10. Tampa Bay Regional Reservoir Project • November 1998 Start of Design Activities • May 2002 Groundbreaking Ceremony • June 2002 Started Construction • March 2005 Construction Completed
- 11. The Reservoir Reservoir Site and Pipeline Route
- 12. The Reservoir • • • • • Earthen Structure – 1,000 acres – 15 billion gallons Total Project Site – 5,229 acres Connecting Pipeline – 42,000 feet of 84-inch diameter Wetland Mitigation – 450 acres Upland Preservation – 600 acres
- 13. The Reservoir: Property Boundaries & Mitigation Areas
- 14. The Reservoir: Major Permits • Hillsborough County Department of Health Permits – Local • EPCHC Wetland Authorization – Local • FDEP Environmental Resource Permit - State • SWFWMD Water Use Permit - State • Environmental Impact Statement R.O.D. Federal • USACOE 404 Dredge and Fill Permit - Federal
- 15. Site During Phosphate Mining Operations 1957
- 16. Site Conditions Prior To Construction
- 23. Completed Project March, 2005 Construction Progress December, 2002
- 24. The Reservoir: Elements of Embankment Design
- 25. Reservoir Embankment •Up to 65 ft High •12,000,000 cy •45,000 cy/day
- 26. Collection/Management of Soil Test Data Using GIS/GPS • ESRI ArcPad 6.0 • Data Collected with Laptops and WAAS Enabled GPS Units • Data Downloaded Daily • Merged into Database to Evaluate Data and Plot Using ArcMap 8.0 • Report Generator • Spatial Evaluation Using 3-D Analysis
- 27. ArcPad 6.0 • Types of Hardware – Laptop Computer – GPS Unit – Personal Digital Assistant (PDA)
- 28. ArcPad 6.0 Customized Data Forms
- 30. Proctor Test Locations Through November 2002
- 31. Soil Density Test Locations Through November 2002
- 32. Tailing Sand Blanket Drain 12” Toe Drain 12” Interior Drain Blanket Drain Interior/ Toe Drain •250,000 CY Tailing Sand •54,000 LF Drain Pipe
- 35. Soil-Bentonite Cut-Of Wall •25,500 LFT •890,000 SQFT •7,000 SQFT/DAY
- 39. Waste Clay and Unsuitable Soils Removal •1,000,000 CY
- 42. Upstream Geomembrane Seepage Control System •4,000,000 SQFT •25,500 LFT Tie-In to SBCW
- 56. Soil-Cement Upstream Slope Erosion Protection •105,000 CY Stair-Step •260,000 CY Flat-Plate
- 64. Questions?
Hinweis der Redaktion
- Just to orient you, Tampa Bay Water is… a special district of the State of Florida formed to supply wholesale water to the cities of St. Petersburg, Tampa and New Port Richey as well as Hillsborough, Pasco and Pinellas counties. Our members, in turn, provide water to nearly 2 million people in the Tampa Bay region Largest wholesale water supplier in Florida and the Southeast
- Describe the New projects under construciton Surface Water Regional Water Treatment Plants 66 surface and Groundwater Off Stream Reservoir Limited New Ground water Seawater desalination Describe projects for 2008 Desal Cone Ranch Work with Industrial users