Power Plant Construction and QA/QC Section General Features of Hydro Electric Project Engineering Technology Division

2 Section General Features of Hydro Electric Project Overview Hydroelectric converts water potential energy into work Energy output is based on head – difference in height Hydroelectric power is a renewable resource Water is “fuel” but still needs management Typically power is transmitted over longer distances China is now the production leader with the 3 Gorges dam.

3 Section General Features of Hydro Electric Project Types of Development Run of the River – Flow Rate and Volume of River Reservoir Ponding – Peak Use Seasonal Storage – Dry Time Use - Summer Long Term Storage – Base Load Pumped Storage Pure Pumped Storage – Between two reservioris Pump-Back Pumped Storage – River and Storage Seasonal Pumped Storage – Demand and River Flow

4 Section General Features of Hydro Electric Project Planning Process 1.Establishment of Goals, Objectives and Standards – Measure, Power, Attractiveness 2.Feasibility Study Design 3.Inventory – Needs, Opportunities, Resources 4.Analysis and Forecasts – Life of Plant 5.Formation of Alternate Plans – Functionality and Physicality 6.Evaluation of Alternate Plans – 1 to 3 to Explore 7.Selection and Definition of Next Course of Action Output - Feasibility Study

5 Section General Features of Hydro Electric Project Implementation Process Contracting Methods Unit Price Bid Price per Quantity and Total Price Lump Sum One Price, All inclusive Design/Build Drawings and Engineering part of Bid – Turn Key – “Architect Engineer” – Sub Contract Pricing Time and Materials Firm Price

6 Section General Features of Hydro Electric Project General Arrangement Diversion Dam Storage Dam Spillway Outlet Works Intake

7 Section General Features of Hydro Electric Project Environmental Considerations Flora and Fauna Down Stream Habitation Cities Industry Upstream Lost Land Habitation Oxygenation Open Water Winter Environment Water Sports

8 Questions? Section General Features of Hydro Electric Project