Power Plant Construction and QA/QC

1. Engineering Technology Division Power Plant Construction and QA/QC Section 7.2 – Dams, Spillways, Water Conductors and Power Houses

2. Section 7.2 – Dams, Spillways, Water Conductors and Power Houses Overview • Dams are Potential Storage Devices • Design Based on Water Pressure – 33 ft = 14.7 psi • Keys - Head (height) and Water Quantity • Material – Dependent on Type and Head • Spillways – excess water – prevent overtopping • Water Conductors – Piping or Penstock • Power House – Electric Generators

3. Section 7.2 – Dams, Spillways, Water Conductors and Power Houses Dam Types • Roller Compacted Concrete • Concrete Gravity • Buttress • Rockfill • Earth • Arch

4. Section 7.2 – Dams, Spillways, Water Conductors and Power Houses Spillways Side Channel Siphon Overflow Tunnel Chutes

5. Section 7.2 – Dams, Spillways, Water Conductors and Power Houses Water Conductors • Underground • Timber Lining • Steel Pipe • Concrete • Concrete Lining • Bare Rock

6. Section 7.2 – Dams, Spillways, Water Conductors and Power Houses Power Houses • Contain all the equipment to generate electrical power • Surface Type • Sub Surface Type

7. Section 7.2 – Dams, Spillways, Water Conductors and Power Houses Power Houses Conventional Integral Intake

8. Section 7.2 – Dams, Spillways, Water Conductors and Power Houses Pressure

9. Section 7.2 – Dams, Spillways, Water Conductors and Power Houses Questions?