Description
Objectives
Learning Objective 1 – List safety considerations for trenches and excavations.
- List safety guidelines when working in and around foundation excavations.
- Identify safety hazards when working in and around trenches.
- Describe various shoring, shielding, and sloping systems used for trenches and excavations.
Learning Objective 2 – Identify the different types, bearing capacities, and classifications of soils.
- Explain how soils are classified.
- Describe soil composition and how it relates to density.
- Explain the purpose of fill in a construction project.
Learning Objective 3 – Describe the methods of compacting and testing soil.
- Describe how moisture content affects soil compaction.
- Explain why soil is compacted in lifts.
- Describe how soil compaction is tested.
Learning Objective 4 – Explain surface water, groundwater, and rock mitigation as related to concrete.
- Describe how surface water and groundwater are mitigated.
- Describe how rock is mitigated.
Performance Tasks
Performance Task 1 (Learning Objective 1) – Draft a job hazard/safety analysis for an excavation according to instructor’s specifications.
