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Ranney Collector Construction

Ranney Collector Construction. Ranney Collector Overview. Pump Station Central Reinforced Concrete Caisson Horizontal Well Screens. Primary Phases of Collector Well Construction. Caisson Construction Lateral Projection Screen Installation and Development Performance Testing.

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Ranney Collector Construction

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  1. Ranney Collector Construction

  2. Ranney Collector Overview • Pump Station • Central Reinforced Concrete Caisson • Horizontal Well Screens

  3. Primary Phases of Collector Well Construction Caisson Construction Lateral Projection Screen Installation and Development Performance Testing

  4. Caisson Construction L1 L1 L2 Grade Grade Grade L1 L1 STEP 1 STEP 2 STEP 3

  5. Initial Caisson Lift with Cutting Shoe, Toledo Bend Reservoir

  6. Inner and Outer Forms

  7. Caisson Lift with Ports, Lake Havasu City

  8. Clam Shell Excavation, Louisville

  9. Clam Shell Excavation, Lake Havasu City

  10. Floor Reinforcing, Iowa City

  11. Completed Caisson

  12. Primary Phases of Collector Well Construction Caisson Construction Lateral Projection Screen Installation and Development Performance Testing

  13. Lateral Projection Grade SWL Caisson Lateral A Lateral B Ports

  14. Hydraulic Jacking Machine

  15. Lateral Projection, Iowa City

  16. TYPICAL BORE PILOT • Minimize Friction • Remove Material • Provide Horizontal Bore

  17. Projection Pipe and Sand Line

  18. Laterals Installation Bore Pilot & Projection Pipe Centered On Port Assembly

  19. Lateral Installation Projection Pipe Advancement

  20. Lateral Installation Projection Pipe Advancement

  21. Primary Phases of Collector Well Construction Caisson Construction Lateral Projection Screen Installation and Development Performance Testing

  22. Screen Installation Grade SWL Caisson Lateral A Lateral B (Wire-Wrap Screen) (Wire-Wrap Screen)

  23. Wire-Wrapped Screen

  24. Wire-Wrapped Screen

  25. Development By Overpumping Q Grade SWL Caisson Pump Laterals

  26. Development By Surging

  27. Sand Content Measurement

  28. Primary Phases of Collector Well Construction Caisson Construction Lateral Projection Screen Installation and Development Performance Testing

  29. Performance Testing, Sonoma County

  30. Top Slab Installation

  31. Ranney Collector Conceptual Design and Yield

  32. Equations to Quantify Yield

  33. Input Parameters / Design Assumptions T = 482,600 gpd/ft S = 0.313 K = 5602 gpd/ft sq B = 86 feet A = 700 feet Zi = 75 feet Laterals – 10 to 12 Lateral Radius – 0.5 ft Lateral Length – 200 ft Caisson Radius – 8 ft Pumping Level – 15 ft above laterals

  34. Conceptual Design

  35. Yield With Recharge

  36. Yield Without Recharge

  37. Characteristics of Ranney System • $12.6 to $16.0 million for Total System • 100% of Construction and Maintenance On Shore • Yield Remains High When River Migrates • Pilot Testing to Confirm Yield

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