11/21/2024 11:40:25 AM	WWTR 124 Course Outline as of Fall 2025	Changed Course
CATALOG INFORMATION
Discipline and Nbr:  WWTR 124	Title:  PUMPS AND MOTORS
Full Title:  Pumps and Motors
Last Reviewed:9/23/2024

Units		Course Hours per Week			Nbr of Weeks	Course Hours Total
Maximum	3.00	Lecture Scheduled	2.75		17.5 max.	Lecture Scheduled	48.13
Minimum	3.00	Lab Scheduled	.75		6 min.	Lab Scheduled	13.13
		Contact DHR	0			Contact DHR	0
		Contact Total	3.50			Contact Total	61.25
		Non-contact DHR	0			Non-contact DHR Total	0

Total Out of Class Hours:  96.25

Total Student Learning Hours: 157.50

Title 5 Category:  AA Degree Applicable
Grading:  Grade or P/NP
Repeatability:  00 - Two Repeats if Grade was D, F, NC, or NP
Also Listed As: 
Formerly:  ENVT 124

Catalog Description:

Students will learn the basic theory of hydraulics, motors, and pumping systems  including operation, types, troubleshooting, general safety procedures, maintenance and repair of pumps and pumping systems. A field trip to a wastewater treatment facility during regular class hours is required.

Prerequisites/Corequisites:

Recommended Preparation:

Limits on Enrollment:

Schedule of Classes Information
Description:

Students will learn the basic theory of hydraulics, motors, and pumping systems  including operation, types, troubleshooting, general safety procedures, maintenance and repair of pumps and pumping systems. A field trip to a wastewater treatment facility during regular class hours is required.

(Grade or P/NP)
Prerequisites:
Recommended:
Limits on Enrollment:
Transfer Credit:
Repeatability:00 - Two Repeats if Grade was D, F, NC, or NP

ARTICULATION, MAJOR, and CERTIFICATION INFORMATION

Associate Degree:		Effective:		Inactive:
Area:
CSU GE:	Transfer Area			Effective:	Inactive:
IGETC:	Transfer Area			Effective:	Inactive:
CSU Transfer:		Effective:		Inactive:
UC Transfer:		Effective:		Inactive:
C-ID:

Certificate/Major Applicable: Both Certificate and Major Applicable

COURSE CONTENT

Student Learning Outcomes:
At the conclusion of this course, the student should be able to:

1. Explain water system hydraulics including the types and uses of pumps.

2. Describe the electrical control of pumping systems.

3. Perform basic installation, maintenance, troubleshooting, and repair of pumps.

 

Objectives:

At the conclusion of this course, the student should be able to:

1. List main types, features, and uses of centrifugal and hydraulic pumps.

2. Select, install, and maintain pipe, pipe fittings, and valves in water and wastewater systems.

3. Explain various pump operation theories.

4. Perform hydraulic calculations and measurements.

5. Install and operate centrifugal and hydraulic pumps.

6. Describe pump control using Supervisory Control and Data Acquisition (SCADA).

7. Maintain, troubleshoot, and repair of centrifugal and hydraulic pumps.

8. Define electrical terms, principles, equations, and safety procedures.

9. Perform electrical calculations and measurements involving power, voltage, amperage, and electrical resistance.

10. Describe the types of motors and starters including uses, and principles of operation.

11. Maintain, troubleshoot, and repair electrical motors and starters.

12. Describe pump station operations, maintenance, and safety procedures.

Topics and Scope

I. Introduction to Pumps and Hydraulics

    A. History

    B. Vocabulary

    C. Classification and operational differences

         1. Centrifugal (dynamic) pumps

         2. Hydraulic (positive displacement) pumps

    D. Applications water and wastewater systems

II. Piping and Valves

    A. Suction and discharge piping selection and installation

    B. Control valves: types, installation, maintenance, and repair

    C. Sealing and priming of pumping systems

III. Basic Electronics

    A. Electrical terms, formulas, and circuits

     B. Determining power, voltage, amperage, and electrical resistance

    C. Wiring and wiring tools

IV. Meters and Test Equipment

    A. Metering equipment

    B. Amp testing

     C. Megohmmeter testing

     D. Testing pressure gauges

V. Motors and Starters

    A. Types and uses

    B. Principles of operation

    C. Energy optimization and efficiency

    D. Maintenance and troubleshooting

    E. Disassembly and repair

VI.  Hydraulics Computations

    A. Hydraulics theory basics

     B. Horsepower and efficiency

    C. Total Dynamic Head (TDH)

    D. Net Positive Suction Head (NPSH)

    E. Pump curves

    F. Affinity laws

          1. Impeller trim and speed change effects

         2. Capacity, head, and horsepower requirements

VII. Centrifugal and Hydrostatic Pumps

    A. Types and principles of operation

    B. Installation and operation

    C. Maintenance and troubleshooting

    D. Disassembly and repair

VIII. Pump Station Maintenance and Safety

    A. Preventive and planned maintenance

     B. Appropriate intervals and triggers

    C. General safety procedures

 

All Topics are covered in the lecture and lab portions of the course.

Assignments:

Lecture-related Assignments:

1. Reading assignments (20 pages per week)

2. Problem solving homework assignments (10-15)

3, Quizzes (2-15)

4. Midterm and Final exam

5. Field trip report (3-5 pages)

 

Lab-related Assignments:

1. Write-ups (10-15)

Methods of Evaluation/Basis of Grade.

Writing: Assessment tools that demonstrate writing skill and/or require students to select, organize and explain ideas in writing.		Writing 5 - 10%
Field trip report
Problem solving: Assessment tools, other than exams, that demonstrate competence in computational or non-computational problem solving skills.		Problem Solving 30 - 55%
Homework problems and lab write-ups
Skill Demonstrations: All skill-based and physical demonstrations used for assessment purposes including skill performance exams.		Skill Demonstrations 0 - 0%
None
Exams: All forms of formal testing, other than skill performance exams.		Exams 30 - 55%
Quizzes, midterm, and final
Other: Includes any assessment tools that do not logically fit into the above categories.		Other Category 0 - 10%
Attendance and participation

Representative Textbooks and Materials:

Pumps and Pumping. 8th ed. Arasmith, Skeet. ACR Publication. 2000. (classic).

Instructor prepared materials

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