Safety 1st Advancer Manual del operador descargar pdf (Pagina 40)

Environmental Remediation Drilling

Safety Guideline

Page 40 of 132

• When overhead electrical power lines exist at or near a drilling site or project, consider all wires

energized.

• Watch for sagging power lines before entering a site. Do not lift power lines to gain entrance. Call

the utility and ask them to lift or raise the lines or de-energize (turn off) the power.

• Before raising the drill rig mast on a site in the vicinity of power lines, walk completely around the

drill rig. Determine what the minimum distance from any point on the drill rig to the nearest power

line will be when the mast is raised and while being raised. Do not raise the mast or operate the drill

rig if this distance is less than 20 feet (6 m) or, if known, the minimum clearance stipulated by

Federal, state, and local regulations.

• Keep in mind that both hoist lines and overhead power lines can be moved toward each other by the

wind.

• If there are any questions concerning the safety of drilling sites in the vicinity of overhead power

lines, call the power company. The power company will provide expert advice at the drilling site as a

public service and at no cost.

• Watch for overhead obstructions. Never travel between borehole locations with the mast, or feed

cylinders, in a raised position.

• Know the location(s) of any other heavy equipment moving or working on-site.

• Weekly, inspect the complete drive train of a carrier for loose or damaged bolts, nuts, studs, shafts,

and mountings.

• When travel takes you off road and into hill terrain, use the front axle (for 4x4, 6x6, etc. type

vehicles or carriers). If equipped with multiple speed transfer case, operate in low range. Always

refer to the manufacturer’s recommendations.

3.7.2 - Loading and Unloading Rigs

When loading or unloading a drill rig on a trailer or a truck, follow these precautions:

• Verify you are on level ground for loading and unloading

• Have someone on the ground guiding you.

• Before using a ramp, verify the brakes of the drill rig are in working order

• Ensure that any ramps used are designed for this purpose and provide a sturdy and solid enough base

to bear the weight of the drill rig with carrier including tooling.

• When the drill rig is on the trailer, verify the weight of the drill rig, carrier and tools are centered on

the centerline of the trailer. In addition, some of the trailer load should be transferred to the height of

the towing vehicle. Refer to the trailer recommendations for weight distribution provided by the

manufacturer.

• Verify the drill rig is secured to the towing vehicle with ties, chains, or load binders that can handle

the required weight.

• Inspect the trailer tires before loading or unloading. A flat tire will cause the rig and trailer to lean

and equipment could come off the trailer.

• When traveling on the road, be sure the rig’s slide base is in fully, that the rig is completely on the

trailer, in the proper position, and secured.

• Skidding the rig off the trailer and to boring locations requires forethought and caution. Do not ride

the skids when moving the rig. Avoid potential rollovers by skidding the rig perpendicular up a

slope, not parallel or at a shallow angle to the slope.

• Provide a secure base and use cribbing of the appropriate size to level the rig.

• Secure the rig to the pavement, floor, or ground with anchor bolts, frost augers, chains, cables, or as

appropriate.

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