10607182Water Supply and Sewerage
Course Information
Description
This course will provide the student with an understanding of the principles involved in the design of municipal water supply, municipal sanitary sewerage and private on-site waste treatment (POWTS) systems.
Total Credits
2
Prior Learning Assessment
  • Exam-College Developed Challenge Exam
Course Competencies
  1. Explore density and specific gravity as it relates to water and wastewater system operations.
    Assessment Strategies
    Written Product
    Written Objective Test
    Criteria
    You calculate gallons when cubic feet is known.
    You calculate the weight of a liquid from pounds per cubic feet into a total weight when gallons are known.
    You calculate density when specific gravity is known for a liquid.
    You calculate pounds of water when gallons of water is known.
    You calculate density when specific gravity is known for a solid.
    You calculate specific gravity of a solid when weight in pounds per cubic feet is known.
    You calculate pounds of a liquid when specific gravity and gallons is known.

  2. Examine pressure and force in water and wastewater systems.
    Assessment Strategies
    Written Objective Test
    Written Product
    Criteria
    You calculate gauge pressure when water level is known.
    You calculate height of water when pressure is known.
    You calculate water capacity and pressure when rectangular tank size is known.
    You calculate water capacity and pressure when diameter and depth is the known.
    You calculate water depth when pressure is known.
    You calculate multiple pressures and height of water when elevation is known.
    You calculate force when psi and square feet are known
    You calculate pressure when pounds per square inch and variable elevations are known.
    You calculate force when surface pressure and surface size is known.
    You explain the difference between absolute pressure and gauge pressure.
    You summarize the energy equation and its application in water and wastewater systems.

  3. Evaluate piezometric surface and hydraulic grade line in water and wastewater system operations.
    Assessment Strategies
    Written Objective Test
    Written Product
    Criteria
    You calculate pressure when piezometric surface is known.
    You calculate height of water and conversion factor when pressure is given.
    You explain the meaning of the term hydraulic grade line (HGL)
    You graph the HGL for a situation where the water is static.
    You explain the meaning of a sloping HGL.
    You calculate the HGL when pressure is known.
    You summarize the difference between flowing and non-flowing artesian wells.

  4. Analyze hydraulic head measurements in water and wastewater systems.
    Assessment Strategies
    Written Objective Test
    Written Product
    Criteria
    You summarize the difference between pressure head, elevation head, and velocity head.
    You calculate pressure head and conversion when gauge pressure is known.
    You calculate velocity head when velocity is known.
    You calculate pressure head at valves when pressure is known.
    You calculate velocity head when flow rate is known.
    You calculate pressure head when static elevations are known.
    You calculate velocity head, pressure head, elevation head and total head when elevation and flow is known.

  5. Examine head loss in water and wastewater systems.
    Assessment Strategies
    Written Objective Test
    Written Product
    Criteria
    You calculate head loss when pump information is known.
    You calculate total friction head loss when pipe and flow data is known.
    You calculate friction head loss for aged pipes.
    You compare head loss data for various pipe and fitting combinations
    You calculate equivalent flow rate when pipe and flow data is known.
    You calculate total friction head loss when pipe and flow data is known.
    You calculate head loss equivalent or minor head losses when system data is known.
    You calculate total head loss when system data is known.
    You summarize the difference between friction head loss and minor head loss.
    You explain how head loss data is used in water systems.
    You summarize Bernoulli s Theorem and its application in water and wastewater systems.
    You discuss in an overview, Bernoulli's Theorem.
    You explain the general use principle of Bernoulli's Theorem.
    You site at a minimum, two specific examples of application of Bernoulli's Theorem

  6. Explore pumping problems in water and wastewater systems.
    Assessment Strategies
    Written Objective Test
    Written Product
    Criteria
    You calculate pumping rate when totalizer readings are known.
    You calculate pumping rate when venturi data is known.
    You calculate pumping rate and capacity when pump and tank data is known.
    You calculate pump time when pump and tank data is known.
    You calculate flow rate and conversion when tank data is known.
    You summarize static suction head, static suction lift, static discharge head, and total static head.
    You calculate dynamic suction head, dynamic discharge head, and total dynamic head when pump pressures are known.
    You calculate total static head, friction and minor head losses when pump pressures are known.
    You calculate water horsepower and brake horsepower when pump conditions are known.
    You calculate pump efficiency and motor horsepower when pump data is known.
    You differentiate between pump curves and explain which one would fulfill the application.
    You analyze hydraulic systems
    You summarize findings of a hydraulic system analysis.
    You identify equipment used in water and wastewater hydraulic systems.
    You explain the relevancy of identified equipment used in water and wastewater hydraulic systems.

  7. Assess flow rate problems in water and wastewater systems.
    Assessment Strategies
    Written Objective Test
    Written Product
    Criteria
    You calculate flow rate when pipe and velocity data is known.
    You calculate flow rate when channel data is known.
    You calculate flow rate when velocity and channel data is known.
    You calculate velocity when flow rate and pipe data is known.
    You calculate velocity when channel float travel is known.
    You calculate velocity and flow rate when channel and float travel data is known.
    You explain the three measurements required to measure flow in a Parshall flume using a nomograph.
    You summarize when a corrections graph is used during flow measurement in a Parshall flume.
    You identify the similarities in principle between venturi meters and orifice plates.

  8. Analyze thrust forces and thrust restrains in water supply systems.
    Assessment Strategies
    Written Objective Test
    Written Product
    Criteria
    You explain the reasons for thrust control.
    You summarize the two primary causes of thrust.
    You identify the direction of thrust.
    You identify devices used to control thrust.
    You explain the factors that dictate the size and shape of the thrust control device
    You calculate thrust block size when pipe and pressure data is known.

  9. Explore trench-less rehabilitation methods for water and wastewater systems.
    Assessment Strategies
    Written Objective Test
    Written Product
    Criteria
    You describe the advantages of trench-less construction over open-cut construction
    You identify three trench-less pipe rehabilitation methods.
    You differentiate between pipe bursting and sliplining
    You describe the cured-in-place liner process
    You describe how service laterals are re-established for various trench-less methods.
    You describe the difference between minimum dig and no-dig construction.