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Chapter 11 - SUBPARTS V THROUGH Z AND RELATED SAFETY...

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1 SUBPARTS V THROUGH Z AND RELATED SAFETY PRACTICES CHAPTER 11 1
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2 OUTLINE Subpart V: Power Transmission and Distribution Subpart W: Rollover Protective Structures and Overhead Protection Subpart X: Stairways and Ladders Subpart Y: Commercial Diving Operations Subpart Z: Toxic and Hazardous Substances 2
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3 SUBPART V: POWER TRANSMISSION AND DISTRIBUTION General Requirements All line are considered energized unless tested All lines must be disconnected before work starts Complete and comprehensive training of Minimum distance based on Voltage Voltage Range (kV) Minimum distance (ft) 2-15 2 15-35 2.33 35-46 2.5 46-72.5 3 72.5-121 3.5 3
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4 SUBPART V: POWER TRANSMISSION AND DISTRIBUTION… CONT’D Tools and Equipments Proper Insulation and inspection on the handles of tools Conductive tools must be kept a safe distance away from source Rubber protected/protective equipments should be air- tested to identify holes and weak spots. Mechanical equipments must be grounded or barricaded or both All materials (cables, utility poles...etc) should be marked, tested before unloading and shall be stored with a safe distance from the energy source. 4
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5 SUBPART V: POWER TRANSMISSION AND DISTRIBUTION… CONT’D Overhead Lines When working on overhead lines, poles, and
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