Portland Community College | Portland, Oregon

Course Number:
LAT 108
Course Title:
Landscape Irrigation I
Credit Hours:
Lecture Hours:
Lecture/Lab Hours:
Lab Hours:
Special Fee:

Course Description

Covers materials, installation, and maintenance for residential and small commercial spray and drip irrigation systems. Includes applied math calculations used for basic hydraulics and system layouts. Includes installation of sprinklers and drip zones. Prerequisites: WR 115, RD 115 and MTH 20 or equivalent placement test scores. Audit available.

Addendum to Course Description

Through hands-on labs students will install a zone or more of sprinkler and drip irrigation.

Intended Outcomes for the course

Upon completion of the course students will be able to:

  • Identify commonly used sprinkler heads and explain how they operate.
  • Explain how an automatic valve works.
  • Understand how hydraulics affect an irrigation system's performance and be able to perform friction loss calculations.
  • Identify and appropriately apply irrigation fittings.
  • Understand the steps involved in installing an underground sprinkler system.
  •  Program digital and electromechanical controllers.
  • Identify drip components.

Outcome Assessment Strategies

  • Written mid-term and final exams.
  • Completion of skill competencies.

Course Content (Themes, Concepts, Issues and Skills)

  • Basic hydraulics
  • Irrigation components
  • Pipes and fittings
  • Backflow prevention
  • Irrigation installation
  • Irrigation troubleshooting 
  • Microirrigation
  • Water conservation strategies