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The boom/mast and boom/mast support system are lowered sufficiently to meet the requirements of this paragraph.
The clearances specified in Table T of this section are maintained.

Table T-Minimum Clearance Distances While Traveling With No Load
(nominal, kV, alternating current)
While traveling-minimum clearance distance (feet)
up to 0.75 4
over .75 to 50 6
over 50 to 345 10
over 345 to 750 16
Over 750 to 1,000 20
Over 1,000 (as established by the utility owner/operator or registered professional engineer who is a qualified person with respect to electrical power transmission and distribution).
The effects of speed and terrain on equipment movement (including movement of the boom/mast) are considered so that those effects do not cause the minimum clearance distances specified in Table T of this section to be breached.
1926.1411(b)(4) Dedicated Spotter
If any part of the equipment while traveling will get closer than 20 feet to the power line, the employer must ensure that a dedicated spotter who is in continuous contact with the driver/operator is used. The dedicated spotter must:
Be positioned to effectively gauge the clearance distance.
Give timely information to the operator so that the required clearance distance can be maintained.
Where necessary, use equipment that enables the dedicated spotter to communicate directly with the operator.
1926.1411(b)(5) Additional Precautions for Traveling in Poor Visibility
When traveling at night, or in conditions of poor visibility, in addition to the measures specified in paragraphs (b)(1) through (4) of this section, the employer must ensure that:
The power lines are illuminated or another means of identifying the location of the lines is used.
1926.1411(b)(5)(ii) A Safe Path of Travel Is Identified and Used
[75 FR 48145, August 9, 2010]

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