How do you work safely in an excavation?

What are the safety precautions in excavation work?

03. Safety Precaution while Excavation Work:

  • Prepare firm and broad approach road. …
  • The nail should not be lying around, after the completion of layout work.
  • Barricade the site to restrict the entry of animal and the unauthorised person on site.
  • Ensure that workers are wearing personal protective equipment.

23.01.2017

What are two safety concerns regarding excavation work?

More excavation-related hazards

  • falls into trenches or excavations.
  • tripping over equipment, debris and spoil.
  • excavated material or other objects falling on workers.
  • exposure to underground services or overhead electrical cables.
  • unstable adjacent structures.
  • mishandled or poorly placed materials.

17.04.2020

What is a good safety practice when working around trenches?

Trenches deeper than 5 feet need to have a protective system in place unless they are made of stable rock. Don’t place any excavated soil/material within 2 feet of the trench edge. Don’t stand near any vehicle being loaded or unloaded. Always wear proper safety equipment.

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Which hazards should be prevented for working in or near excavations?

Excavated spoil, plant or materials should not be stored close to the sides of excavations as loose material can fall in. The extra loading can make the sides of the excavation more likely to collapse. Prevent people from falling into excavations by substantial barriers around the edges.

What are the three methods of excavation?

Types of excavation

  • 3.1 Cut and fill excavation.
  • 3.2 Trench excavation.
  • 3.3 Basement excavation.
  • 3.4 Road excavation.
  • 3.5 Bridge excavation.
  • 3.6 Dredging.
  • 3.7 Over excavation.

5.10.2020

How do you protect deep excavation?

Those methods are sloping, benching, and shoring or shielding. Sloping: Sloping is a viable option as a protective system. Sloping is often the most cost-effective way to protect employees from potential trenching and excavation hazards.

How dangerous is excavation?

Trenching and excavation work presents serious hazards to all workers involved. Cave-ins pose the greatest risk and are more likely than some other excavation-related incidents to result in worker fatalities. One cubic yard of soil can weigh as much as a car. An unprotected trench can be an early grave.

What are some dangers of excavation?

Top 5 excavation safety hazards

  • Cave-ins. Trench collapses kill an average of two workers every month, making this a serious threat to worker safety. …
  • Falls and falling loads. Workers and work equipment can fall into an excavated area. …
  • Hazardous atmospheres. …
  • Mobile equipment. …
  • Hitting utility lines.

12.02.2018

Why is excavation dangerous?

Every year people are killed or seriously injured by collapses and falling materials while working in excavations. They are at risk from: Excavations collapsing and burying or injuring people working in them; material falling from the sides into any excavation; and.

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At what depth do the most accidents occur in trenches?

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Some common excavation works associated with trench-related accidents involve sewer, water, communication, and power line constructions. OSHA data reveal that most trench-related accidents occur below 10 feet.

What are 3 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.

At what depth does a trench require shoring?

Trenches 5 feet (1.5 meters) deep or greater require a protective system unless the excavation is made entirely in stable rock. If less than 5 feet deep, a competent person may determine that a protective system is not required.

What is the primary concern for excavation?

The main hazards associated with excavation work include: Surface encumbrances. Excavation collapse. Loose rock or soil.

What you should do before you begin an excavation?

What you should do before you begin an excavation?

  • Identify the soil type(s) related to the excavation or trench you are going to dig. …
  • Look for the legislative requirements that apply in your jurisdiction and the type of protective measures to be taken.
  • Locate all buried services.

21.12.2016

What is the safest way of entering and exiting a deep excavation?

Prevent people and materials falling in – with barriers strong enough not to collapse if someone falls against them. Keep plant and materials away from the edge. Avoid underground services – use relevant service drawings, service locating devices and safe digging practice. Provide ladder access to get in and out.

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Special equipment and operation