2 edition of Excavating and trenching operations found in the catalog.

Excavating and trenching operations

Controlling Conventional Weapons Proliferation in the 1990s

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Published by Administrator in U.S. Dept. of Labor, Occupational Safety and Health Administration

  • United States
    • Subjects:
    • U.S. Dept. of Labor, Occupational Safety and Health Administration

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      • Cover titleShipping list no.: 85-888-POSHA 2226.

        StatementU.S. Dept. of Labor, Occupational Safety and Health Administration
        PublishersU.S. Dept. of Labor, Occupational Safety and Health Administration
        LC Classifications1985
        The Physical Object
        Paginationxvi, 95 p. :
        Number of Pages77
        ID Numbers
        ISBN 10nodata

        nodata File Size: 10MB.

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Excavating and trenching operations by U.S. Dept. of Labor, Occupational Safety and Health Administration Download PDF EPUB FB2

Fortunately, some basic safety protocols can help prevent accidents.

Excavation and Trenching Basics

The controls they implement will depend on the identified hazards, but here are some of the controls they may use. Also remember that all shoring must be designed by a professional engineer and accompanied by tabulated data.

View the entire document, embedded below, or click here to visit the. Running Soils: The more liquid the soil, the more you need to use additional types of shoring. Employees shall be required to stand away from any vehicle being loaded or unloaded to avoid being struck by any spillage or falling materials.

With the guidance of a professional instructor, we equip you with the knowledge you need to think critically, so you can face any scenario with ease. Typically, when working in this environment, a person could encounter three major risk factors: cave-ins, confined space hazards and underground utilities.

5 percent oxygen or a hazardous atmosphere exists or could reasonably be expected to exist, such as in excavations in Excavating and trenching operations areas or excavations in areas where hazardous substances are stored nearby, the atmospheres in the excavation shall be tested before employees enter excavations greater than 4 feet 1.

Soil Excavating and trenching operations Understanding the difference in compressive strength and stability between rock, type A soil, type B soil, and type C soil. also requires that a competent person perform a daily inspection for hazards.

Many companies have adopted a routine of classifying all disturbed soil as Type C. Working in and around excavations or trenches can be hazardous.

Employees shall not work in excavations in which there is accumulated water, or in excavations in which water is accumulating, unless adequate precautions have been taken to protect employees against the hazards posed by water accumulation.possible cave-ins, indications of failure of protective systems or hazardous atmospheresand to then ensure that corrective measures are taken.

Warning system for mobile equipment. No employee shall be permitted underneath loads handled by lifting or digging equipment. If any portion remains open, barriers must be in place to protect site workers and the public. Structural ramps used for access or egress of equipment shall be designed by a competent person qualified in structural design, and shall be constructed in accordance with the design. Trenches: An excavation is any man-made cut, cavity, trench, or depression, while a trench is a narrow excavation longer than it is wide measuring no more than 15 feet deep.

Trenches 5 feet deep or greater require trench wall stabilization through sloping, shoring or shielding. Bureau of Labor Statistics, more than 50 workers die annually in excavation and trenching accidents.