What is the regulatory standard for trenching and excavation?
The employer must comply with the trenching and excavation requirements of 29 CFR 1926.651 and 1926.652 or comparable OSHA-approved state plan requirements. Trenches 5 feet (1.5 meters) deep or greater require a protective system unless the excavation is made entirely in stable rock.
What is Trenching and shoring?
Trench shoring is the process of bracing the walls of a trench to prevent collapse and cave-ins. The phrase can also be used as a noun to refer to the materials used in the process. Shoring is designed to prevent collapse, whilst shielding is only designed to protect workers should collapse occur.
What are 3 safety rules to follow while working in trenches and excavations?
How is Excavation Done Safely?
- Inspect trenches daily before work begins.
- Check weather conditions before work, be mindful of rain and storms.
- Keep heavy equipment away from trench edges.
- Be mindful of the location of utilities underground.
- Always wear proper protective equipment.
- Don’t work beneath raised loads.
What are the OSHA requirements for trenches?
OSHA requires employers to provide ladders, steps, ramps, or other safe means of egress for workers working in trench excavations 4 feet (1.22 meters) or deeper. The means of egress must be located so as not to require workers to travel more than 25 feet (7.62 meters) laterally within the trench.
What do trench protective systems include?
OSHA identifies three basic types of protective systems: shielding (devices designed to protect workers in the event of a collapse, such as trench boxes); shoring (bracing designed to prevent collapse, such as hydraulic shoring or slide-rail systems); and sloping or benching trench walls away from the trench bottom at …
How much does Trench Shoring cost?
Trenching Prices Per Foot
| Equipment (Trencher) | $1.75 – $2.50 |
|---|---|
| Labor* | $2.25 – $9.50 |
| Total Per Linear Foot | $4 – $12 |
| Total Per 100 Linear Feet | $400 – $1,200 |
What is trenching in construction?
Trenching is an important part of any construction project. It involves digging and removing the dirt, forming a narrow depression into the ground, which is then utilized for a variety of projects. They’re used for a wide variety of civil and engineering projects, including laying pipes and telephone wire.
What are the three main protection methods against cave ins?
To prevent cave-ins:
- SLOPE or bench trench walls.
- SHORE trench walls with supports, or.
- SHIELD trench walls with trench boxes.
What is trench protection?
Trench protection is required when workers must enter trenches that are five feet deep, or more. Trench boxes are a common form of trench protection, providing strong walls and a frame that protect workers inside from cave-ins. An improperly constructed trench box, though, will not protect workers in the trench.