Title: Identify the three classifications of soil, by soil type.
Course: Utility/Heavy Construction I (20052-I) > Section: Understanding Soils

Identification should include descriptions of the following:

- Stable rock
- Type A—cohesive soils with an unconfined compressive strength of 1.5 tons per square foot (tsf) or greater, such as clay, silty clay, sandy clay
- Type B—cohesive soils with unconfined compressive strength greater than .5 tsf but less than 1.5 tsf
- Type C— cohesive soils with unconfined compressive strength .5 tsf or lower

Teacher Resource:

- OSHA 1926 Subpart P App. A Soil Classification