Trench Safety and Utility Cuts
Road Scholar Eligibility
This class is a fills a Electives requirement.
Description
Length: 4 hours
Objective:
- Proper Trench backfill and compaction is important in utility trenches in order to maintain a smooth and serviceable road.
- A cut trench's effect on road service life
- How a trench cut reduces capacity of surrounding trench walls
- Excavation Safety
- Types of Soil and their effect
- Dewatering excavations
- Proper backfill and compaction around utilities
- Compaction layer thicknesses
- Dealing with saturated wet soils
- Recutting paving beyond the excavation