Workforce Training Network - Non-credit classes designed to develop the knowledge, skills, and attitudes required in today’s workforce.
Workforce Training Network

Plumber Apprenticeship

HVAC Apprenticeship

Length of Program

Eight (72 hour) semesters of related training, plus 8,000 hours of documented work experience.

Location of Program

Classes are held on the campus of the College of Southern Idaho (Twin Falls, Idaho), and Wood River High School (Hailey, Idaho). The work experiences are at various job sites for the practical portion of the training.

Entrance Requirements

To have the classes count toward the State of Idaho's Requirements for Apprenticeship training, you must meet the following requirements:

  • Be at least 16 years of age
  • Be registered with the State of Idaho, Department of Labor and Industrial Services
  • Be working in the trade under the constant on-the-job supervision of a journeyman
  • Take the CSI placement test and complete CSI application
  • Contact Christy Horton at ext. 6282 for registration
  • Renew registration each semester
  • A valid First Aid/CPR card is required throughout the course of the 4-year program. A photocopy of the First Aid/CPR cards need to be turned into Christy Horton at the College of Southern Idaho. If this requirement in not met, students will not receive their Letter of Completion at the end of each school year until it is received.

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Class Time

Classes are three(3) hours per evening, two(2) nights per week, for a minimum period of twelve(12) weeks each semester. Classes will vary as to which evenings they are held depending on the location and the year level of apprentice.

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Starting Time

Fall Semester

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Approximate Cost of Program (starting Fall 2006)

Registration: $275.00 each semester (Fall and Spring)
Books: Books can be purchased through the CSI Bookstores--see the below book list

Plumbing Year 1:
Worksheet Packet
Illustrated UPC 2003 Code Book
Residential Construction Academy Plumbing Book
NCCER Core Curriculum Intro to Construction Math Module 00102-04
Current Copy of Idaho Code & Administrative Rules Pamphlet (students must go online and copy themselves at http://adm.idaho.gov/adminrules/rules/idapa07/07.02index.htm)
Materials: 30/60/90 degree angle
               Calculator (Home Project Calc or one that will add feet & inches)
               Architect Ruler
               Metal Tape Measurer -any size
Optional:  T – Square

Plumbing Year 2:
Worksheet Packet (Twin Falls or Hailey class specific)
UPC 2003 Code Book
**Illustrated UPC 2003 Code Book
Blueprint Reading for Plumbers, Residential & Commercial


Plumbing Year 3:
Worksheet Packet (Twin Falls or Hailey class specific)
**UPC 2003 Code Book
**Illustrated UPC 2003 Code Book
UPC 2003 Study Guide


Plumbing Year 4:
Worksheet Packet (Twin Falls or Hailey class specific)
**UPC 2003 Code Book
**Illustrated UPC 2003 Code Book


**Will have books from previous years.

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Course Description

The apprenticeship course is designed to provide related training in the plumbing trade that will give students the proper course work in safety, Uniform Plumbing Code and a knowledge of the trade. The plumbing apprentice years 1 and 2 cover basic plumbing math, blueprint reading, tools, and basic plumbing skills. years 3 and 4 cover sizing vents, storm drain size, sizing water and sewer drains, servicing plumbing fixtures, traps, combination waste and vent systems as well as the Uniform Plumbing Code and Idaho State Law. This is a required program for anyone working toward a plumbing journeyman license. Completion must be documented each year with the State of Idaho Plumbing Bureau (208)332-7127 before the journeyman exam can be taken.

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Correspondence Courses in Electrical and Plumbing Apprenticeship

The State of Idaho offers correspondence training in Electrical and Plumbing Apprenticeship through Boise State University. Certain qualifications must be met for a person to take correspondence as opposed to the regular training. The main criteria needing to be met is the student must live at least 50 miles from the CSI Twin Falls, Burley, and Hailey classes. Other special circumstances may also be considered.

To apply for correspondence students should contact Christy Horton, at (208) 732-6282 for more information.

THIS CLASS IS OPEN TO BOTH MEN AND WOMEN. THE COLLEGE OF SOUTHERN IDAHO IS AN EQUAL OPPORTUNITY AFFIRMATIVE INSTITUTION

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