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Transmission towers carry high voltage powerlines. The voltage will differ from 415V(low voltage) to 66kV (high voltage). If it is not moderately practicable for the electricity supply to the property to be quickly remoted, they should agree on who will method the property proprietor for written consent for scaffolding to be erected close to the overhead line and for the roofer to work between 0.5 m and four m from the road. They have contractors who're able to isolate (disconnect) the electricity provide to a property on request. If tag is red with a inexperienced insert - the wires are dwell. The color of the tag indicates how close staff can get to the low voltage overhead electric line. See Section 10 and Appendix 3 of this information for information about Close Approach Consent Forms. See Your rights and obligations for info and hyperlinks to reality sheets in English, Māori, Chinese, Hindi, Samoan and Tongan.

Electrical security tags hooked up to scaffolding can clearly display safety data. Tags must be positioned on - or as close as doable to - the low voltage overhead electric line. Appendix three has an example of an in depth Approach Consent Form. Use the checklist in Appendix 2 as a place to begin. You might need to use a cable location service to find them. Use this guidelines earlier than and through work near low voltage overhead electric strains. If greater than 4 m: work can begin. Section 1: to be completed by the enterprise carrying out the work (if more than one business is concerned, the primary contractor should obtain consent). As nicely as the insulation options described in Section 5 of this guide, using non-conductive scaffolding or insulated elevating work platforms may help to minimise danger. Reinforced insulation: A single insulation system utilized to live parts that gives a level of protection in opposition to electric shock equivalent to double insulation. For example, if the insulation has been broken. When a work health and security concern is raised (for example, by a worker or a worker’s consultant) the people involved must make cheap efforts to achieve a timely, final, and efficient resolution. However, individuals working close to an overhead line could nonetheless obtain an electric shock even when the line is insulated.

They could obtain an electric shock if they contact a stay low voltage overhead electric line. The property proprietor can't give consent for work to be carried out lower than 0.5 m from the overhead line. If mobile plant is probably going to be used close to a low voltage overhead electric line, low voltage power line the proprietor or operator of the plant must repair an accredited warning notice in an obvious place as near as practicable to the operator’s position. The discover ought to be easy to see and read. Figure eight shows how close to the line scaffolding or any other non permanent construction may be positioned if the property proprietor has offered written consent (see Section 10 of this guide). Figure 4 exhibits the MAD between a low voltage overhead electric line and a worker who has consent to work up to 0.5 m from the road. A reliable individual who is danger aware and who repeatedly observes a worker who is working near a low voltage overhead electric line to make sure that safety procedures are being adopted. The authorised individual ought to check that the required control measures are in place.

However a threat assessment should nonetheless be carried out and control measures put in place. Work must be carried out at the least four m away from the overhead line. First, visit Before You Dig to seek out out if there are any underground lines in the world. They're large steel structures, which are often discovered on the sting of or outside metropolitan areas. Stobie poles are steel bolstered concrete poles that hold up the electrical wires. Transmission strains are usually mounted on steel towers. 275 kV powerlines are usually mounted on tall steel towers. The PCBU ought to check control measures typically to confirm that they're successfully managing risk. Side Two (Figure 11) might be used to record checks on control measures and any modifications or fixes made. The distances proven in Figure 8 also apply when setting up, altering or dismantling scaffolding. Written consent from the property owner is required for work to happen inside sure distances from a low voltage overhead electric line. The property owner should ask the electrical worker to confirm that they've a present New Zealand practising licence and the related expertise to provide advice about work near a low voltage overhead electric line.