Which of the following ways to avoid excavation hazards was mentioned in the construction?

Provide protection by one or more of the following: Set spoils and equipment at least 2 feet back from the excavation. Use retaining devices, such as a trench box, that will extend above the top of the trench to prevent equipment and spoils from falling back into the excavation.

Which of the following ways to avoid excavation hazards was mentioned in the construction Etool?

Pile soil close to the excavation site. Provide protections if water accumulation is a problem. Construct protective Systems. Provide safe access into and out of the excavation.

What are the major types of excavation hazards in construction?

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

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What is the main hazard when working in an excavation?

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.

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 the major types of caught in and caught between hazards in construction?

“Caught in-between” hazards kill workers in a variety of ways. These include: cave-ins and other hazards of excavation work; body parts pulled into unguarded machinery; standing within the swing radius of cranes and other construction equipment; caught between equipment & fixed objects.

What can create a caught between hazard?

Caught-in/between hazards are caused when a worker is compressed between or gets caught in equipment or objects. It also includes when a worker is killed by getting caught, struck or crushed from materials, equipment or a collapsing structure.

What are the hazard in excavation?

The specific hazards associated with excavations are as follows:

  • the collapse of the sides;
  • materials falling on workers in the excavation;
  • falls of people and/or vehicles into the excavation;
  • workers being struck by the plant;
  • specialist equipment such as pneumatic drills;
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20.03.2018

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

What are the types of excavation?

Types of Excavation

  • Earth excavation is removal of the layer of soil immediately under the topsoil and on top of rock. …
  • Muck excavation is removal of material that contains an excessive amount of water and undesirable soil. …
  • Unclassified excavation is removal of any combination of topsoil, earth, rock, and muck.

What is the primary concern for excavation?

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

What is the basic type of shoring?

Shoring systems consist of posts, wales, struts, and sheeting. There are two basic types of shoring, timber and aluminum hydraulic.

What is shoring in excavation?

Shoring is the provision of a support system for trench faces used to prevent movement of soil, underground utilities, roadways, and foundations. Shoring or shielding is used when the location or depth of the cut makes sloping back to the maximum allowable slope impractical.

What is scaffolding in safety?

A scaffold is a temporary structure erected to support access or working platforms. Scaffolds are commonly used in construction work so workers have a safe, stable work platform when work cannot be done at ground level or on a finished floor. … Scaffolding is classified as plant under Work Health and Safety (WHS) Act.

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.

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Special equipment and operation