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Code · CFR · Title 30 — Mineral Resources · Part 57 · § 57.14132

§ 57.14132. Horns and backup alarms for surface equipment.

125 words·~1 min read·/us/cfr/t30/s§ 57.14132·

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(a)Manually-operated horns or other audible warning devices provided on self-propelled mobile equipment as a safety device shall be maintained in a functional condition. (b)(1) When the operator has an obstructed view to the rear, self-propelled mobile equipment shall have---
(i)An automatic reverse-activated signal alarm;
(ii)A wheel-mounted bell alarm which sounds at least once for each three feet of reverse movement;
(iii)A discriminating backup alarm that covers the area of obstructed view; or
(iv)An observer to signal when it is safe to back up.
(2)Alarms shall be audible above the surrounding noise level.
(3)An automatic reverse-activated strobe light may be used at night in lieu of an audible reverse alarm.
(c)This standard does not apply to rail equipment.
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§ 57.14132
Horns and backup alarms for surface equipment.
Fed. Reg.×2
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