Safety 1st Advancer Manuel de l'opérateur télécharger pdf (Page 12)

Environmental Remediation Drilling

Safety Guideline

Page 12 of 132

Term Definition

Non-Invasive GPR

Ground penetrating radar is a geophysical device that uses radar to search for

underground structures without physically penetrating the ground.

Operations Foreman

Operations personnel managing/supervising a construction/installation project

involving subsurface activities (another term for this position is tool-pusher).

Paving Scars

Scars left on pavement by the drill rig stabilizers.

Pinch Points

Any locations in a drilling operation where body parts may be pinched or

crushed.

Post-Hole

A hole dug before drilling to search for underground structures or utilities.

Receptor Survey

Identification of utility vaults, monitoring wells, private and public supply wells,

surface water bodies, basements, or any other subsurface exposure pathways.

Refusal

When the augers or drill cannot be advanced because of some subsurface

blockage.

Rig

The mast, draw-works, and attendant surface equipment of a drilling unit.

Rotary Drilling

A drilling method in which a hole is made by a rotating bit to which a downward

force is applied and cuttings are brought to the surface. The bit is fastened to and

rotated by the drill stem, which also provides a passageway through which the

drilling fluid is circulated. Additional “joints” of drill pipe are added as drilling

progresses.

Safety Hammer

A hydraulically driven automatic hammer that advances a sampling tool. Used

instead of a slide hammer.

Sampling Tools

Tools that capture and retrieve subsurface soil samples such as a shelby tube,

sample extruder, or split barrel sampler.

Sheaves

A grooved pulley over which tape, wire, or cable rides.

Site-specific Health

and Safety Plan

(HASP)

That document which is designed to recognize potential risks, and identify

precautions appropriate to the task. The document typically contains directions to

the hospital, emergency contact information and health risk information. The plan

will identify potential risks associated with field work, air monitoring

requirements, environmental concerns (climate, insects, snakes, etc.), potential

exposure to contaminants of concern, and provides requirements and thresholds

for use of personal protective equipment to be employed during field operations.

The plan may also address: worker training, waste characterization, contingency

plans and other health and safety issues.

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