Portland Community College | Portland, Oregon

Course Number:
LAT 224
Course Title:
Grading and Drainage
Credit Hours:
Lecture Hours:
Lecture/Lab Hours:
Lab Hours:
Special Fee:

Course Description

Covers the interpretation of design documents to lay out grading and drainage projects. Includes the design and installation of drainage elements per site requirements. Introduces tools and methods for grading landscape sites based on design documents and field measurements. Prerequisites: LAT 236 and LAT 223, or instructor permission. Audit available.

Intended Outcomes for the course

Upon completion of the course students will be able to:

  1. Lay out a grading plan in the field.
  2. Grade and contour a site based on design documents and site characteristics.
  3. Recommend solutions to existing grade problems.
  4. Design, plan and evaluate landscape drainage solutions.
  5. Install drainage features on a landscape site.

Outcome Assessment Strategies

  1. Midterm and final exams
  2. Portfolio
  3. Weekly assignments
  4. In-lab projects

Course Content (Themes, Concepts, Issues and Skills)

  1. Reading grading plans and relative construction documents
  2. Identify and safely operate tools and equipment for grading and drainage installation
  3. Materials and supplies for grading and drainage
  4. Site layout for grading
  5. Grading landscape sites
  6. Site evaluation for grading and drainage
  7. Evaluation of existing grading and drainage