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FIRE 0073 - Fire Hydraulics

http://catalog.sierracollege.edu/course-outlines/fire-0073/

Catalog Description DESCRIPTION IS HERE: Hours: 54 lecture Description: Investigate the principles and characteristics of water and water flow, water supply systems, fire apparatus and pumps, and fire streams. Review of applied mathematics; hydraulic laws; and application of formulas and mental calculation to hydraulics and water supply problems, as applied to the fire service. (CSU-with unit limitation) Units 3 Lecture-Discussion 54 Laboratory By Arrangement Contact Hours 54 Outside of Class Hours Course Student Learning Outcomes Analyze the extinguishing properties of water including the Law of Specific Heat and the Law of Latent Heat of Vaporization. Define hydraulics and demonstrate the ability to formulate pump pressures. Generate the correct engine pressure for various pumping situations. Explain how to flow test a fire hydrant and calculate the available water. Course Content Outline I. Principles of Water and Water Flow A. Water as an Extinguishing Agent 1. Basic Characteristics of Water 2. Basic Extinguishing Properties of Water B. Water at Rest: Hydrostatics 1. The Five Basic Principles of Pressure 2. Head 3. Potential Energy C. Water in Motion: Hydrokinetics 1. Principles of Kinetics Energy 2. The Principles of Pressure 3. The Principles of Friction Loss 4. Determining Friction Loss in Piping Systems 5. The Darcy-Weisbach Formula II. Water Supply Systems and Water Flow Analysis A. Water Distribution Systems 1. Water System Fundamentals 2. Water System Capacities 3. Sources of Water Supply 4. Water Treatment Facilities 5. Means of Moving Water 6. Water Distribution Systems 7. Water Main Valves 8. Fire Hydrants 9. Private Water Supply Systems B. Water Flow Analysis 1. Why Water Flow Analysis is Necessary 2. Water Supply Analysis Equipment 3. Determining Available Water Supply 4. Determining Volume of Flow From Hydrants C. Calculating Required Fire Flows 1. Required Fire Flow for Manual Fire Fighting Operations 2. Required Fire Flow for Automatic Sprinkler Systems 3. Required Fire Flow for Standpipe Systems III. Fire Apparatus and Pumps A. Apparatus Equipped With a Fire Pump 1. Fire Department Pumpers 2. Wildland Fire Apparatus 3. Mobile Water Supply Apparatus 4. Aerial Apparatus Equipped With Fire Pumps 5. Rescue Vehicles Equipped With Fire Pumps 6. Aircraft Rescue And Fire Fighting Apparatus B. Fire Service Pump Design 1. Positive Displacement Pumps 2. Centrifugal Pumps 3. Pump Mounted and Drive Arrangements 4. Fire Pump Components 5. Pump Panel Instrumentations C. Fire Department Pumper Testing 1. Preservice Testing 2. Service Testing IV. Fire Streams A. Types of Fire Streams 1. Fire Stream Production 2. Solid Streams 3. Fog Streams 4. Broken Streams B. Fire Hose Nozzles 1. Solid Stream Nozzles 2. Fog Stream Nozzles 3. Broken Stream Nozzles 4. Nozzle Pressure and Nozzle Reaction V. Fire Service Pressure Calculations A. Principles of Fire Service Pressure Calculations 1. Historical Method of Friction Loss Calculations 2. Determining Your Own Friction Loss Coefficients 3. Determining Elevation Pressure 4. Hose Layout Applications 5. Fireground Calculations 6. Condensed "Q" Formula B. Determining Pump Discharge Pressure 1. Simple Hose Layouts 2. Complex Hose Layouts 3. Aerial Master Streams 4. Determining Net Pump Discharge Pressure C. Relay Pumping 1. Relay Apparatus, Equipment, and Terminology 2. Relay Pumping Operational Concepts 3. General Guidelines for Relay Operations D. Supporting Sprinkler System Operations 1. Automatic Sprinkler System Operations 2. Standpipe Operations Course Objectives Course Objectives 1. Analyze the extinguishing properties of water including the Law of Specific Heat and the Law of Latent Heat of Vaporization; 2. investigate the Five Principles of Pressure; 3. define hydrokinetics; 4. differentiate between Principles of Kinetic Energy, Principles of Pressure, and Principles of Friction; 5. investigate water supply systems; 6. compare various fire service apparatus and pumps; 7. define hydraulics and demonstrate the ability to formulate pump pressures; 8. compare the volume of water needed to extinguish a fire by estimating BTU's absorbed and steam generated; 9. compare and differentiate between force and pressure; 10. examine the basic principles of Bernoulli's theorem; 11. compare and contrast the Darcy-Weisbach Formula and the Hazen-Williams Formula; 12. differentiate between velocity and flow; 13. calculate water flow given area of discharge and velocity; 14. discuss the origins of the formula used to calculate gallons per minute of fire flow; 15. compare the four laws of hydraulics governing friction loss; 16. analyze the laws of physics that permit pumps to draft; 17. identify pump capacity limitations as discharge pressure increases; 18. investigate what properties are essential for an effective fire stream; 19. determine the correct engine pressure for various pumping situations; 20. calculate actual nozzle pressure, flow, and friction loss when hose lines are over pumped and under pumped; 21. evaluate sources of water for firefighting; 22. diagram a municipal water system; 23. flow test a fire hydrant and calculate the available water; 24. compare the concepts and principles of standpipe and sprinkler systems; and 25. evaluate a sprinkler system for proper performance. Methods of Evaluation Objective Examinations Problem Solving Examinations Reports Reading Assignments 1. The student will read the material in the textbook on Bernoulli's theorem and and be prepared to discuss in class how Bernoulli's equation and Torricelli's equation are inter-related. 2. The student will read the chapter on pump theory in the textbook and then complete the provided work sheet showing the water flow through a single stage pump and a dual stage pump in both the series and parallel setting. Writing, Problem Solving or Performance 1. Prepare a list comparing and contrasting positive displacement pumps, rotary vane pumps, rotary lobe pumps, axial flow pumps, and radial flow pumps. 2. Weekly homework exercises utilizing specific formulas to solve various water flow problems. Other (Term projects, research papers, portfolios, etc.) Methods of Instruction Lecture/Discussion Distance Learning Other materials and-or supplies required of students that contribute to the cost of the course.