Provide a grounding and lightning protection system in accordance with the details. We create a lightning protection and earthing concept including drawings, mounting details, detailed descriptions, tender specifications and bills of material. When an aerial cable is set up, the cable should be. Industrial lightning protection for businesses is vital to their success. The standard practice of using external lightning protection system is to handshake with the downward. State of the art for the installation of lightning protection systems 0. Most electrical utilities have standards covering the protection of their facilities and. Lightning, surge protection and earthing of electrical. Roof rods called air terminals that are shorter than 24 tall should be spaced no more than 20 apart along ridges and flat roof perimeters. The final date to file an appeal on this annual 2019 consent standard is april. This lightning protection study was done based on the protection of equipment in the. A risk analysis does not only allow to determine the class of lps, but also to create a complete protection. Lightning protection systems what they do and dont do.
A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. A lightning protection systems only purpose is to ensure safety to a building and its occupants if lightning happens to hit it directly, a task accomplished by providing a good, safe path to ground for the lightning to follow. Use current division to control the dissipation of lightning strike energy on an antenna tower grounding system through multiple paths. Prevectron system details national lightning protection. The lightning phenomenon lightning is the phenomenon which accompanies the discharge of atmospheric charges from cloud to cloud or from cloud to earth. Protecting equipment from lightning strikes lightning rods are commonly used on telecom or radio towers, but are they best for protecting expensive electronic equipment. Csi divisions division 26 26 41 00 facility lightning protection manufacturers of facility lightning protection browse companies that make facility lightning protection and view and download their free cad details, revit bim files, specifications and other content relating to facility lightning protection as well as other product information formated for the architectural community. Specification lightning protection systems general. No such departures shall be made without prior written acceptance of the ae.
Ingesco has an online tool which allows the calculation of risk and the implementation of protective measures quickly and easily. American national standard for tree care oper ations tree, shr ub and other w oody plant maintenance standard pr actices american national standard ansi a3001995 1 available from u. Use current division to control the dissipation of. Downloads lightning and surge protection, safety equipment. The two ends of this metal pipe should be grounded. Rods should be placed within 2 of ends of ridges and outside corners of roofs. Introduction to lightning protection system design. Introductory lightning protection design per nfpa 780 a pdh. The main components of a lightning protection system are air terminals, down conductors and ground rods. Provide and install a complete lightning protection system in compliance with the specifications and standards of the most current editions of the national fire protection associations lightning protection code nfpa780 and underwriters laboratories lightning protection code ul96a. Details are available in autocad and adobe acrobat formats.
Lightning protection theory schirtec lightning protection. Dehnconcept planning of lightning protection systems brochure. Corresponding to the four lightning protection levels, in iec 62305 3 2 four classes of lps i, ii, iii, iv are defined. Contractor, details of such departures and reasons, shall be submitted as soon as practicable to the ae for acceptance. The effects of lightning currents and surge voltages are many and varied. Department of labor, 200 constitution avenue, nw, washington, dc 20210.
Detail drawings of supporting masts, down conductors, ground systems, and bonding applications for the prevectron 4 electronically activated streamer emission ease lightning. American national standard for tree care oper ations tree, shr ub and other w oody plant maintenance standard pr actices american national standard ansi a3001995 1 available. What links here related changes upload file special pages permanent link page. Outdoor lightning protection system design specifications. Further details are cited in the references in section 7. Once the need for lightning protection has been established, loss of life and property can be avoided by the installation of an approved lightning protection system. In this case, lightning current arresters for power supply and information technology lines do not have to be installed arresters 1 and 4 are not required. The basis of conventional lightning protection technology. Lightning protection archives lightning eliminators and. Pdf lightning protection guide 3rd updated edition. Following tools shall be arranged before starting the work for earthing, bonding and lightning protection system installation and testing.
If no external lightning protection system is installed, the bus devices must be protected by surge arresters. Download free cad detail of a lightning protection air terminal to be used in your architectural construction cad drawings. The use by third parties of the contact details published in. Lightning system dwg detail for autocad designs cad.
The following lightning protection study, with its associated drawings, is intended to display the level of protection and suggested lightning protection that should be added to the new ring bus substation. Standard for the installation of lightning protection systems. The links provide access to design and hardware suppliers. The lightning protection industry began in the united states when benjamin franklin postulated that lightning was electricity, and a metal rod could be used to carry the lightning. The book had to be revised and enlarged due to changes in standardisation and technical progress. Eritech system 2000 lightning protection products this catalog details the eritech system 2000 lightning protection products to meet the needs of points 1 and 2 of the six point plan. Pdf lightning protection zones created by traction. In the highest class of lps i the induction coefficient is fixed to ki 0,08 and reduced to ki. The following lightning protection study, with its associated drawings, is intended to display the level of protection and suggested lightning protection that should be added to the new ring bus substation configuration in the scope of the umkc substation project. Material shall be stored in a covered dry space at all.
For example, if air terminals a common form of strike. Lightning protection guide every specialist who has to do with lightning and surge protection appreciates our indepth lightning protection guide. As illustrated positive electrical charges gather in the clouds and negative. It starts with a specified arrester in a buildings primary supply or subdistribution. A risk analysis does not only allow to determine the class of lps, but also to create a complete protection concept including the necessary lemp protection measures. Standard for the installation of lightning protection. The first lightning rod was invented by benjamin franklin in 1749 and over 250 years later is still the standard component in most lightning protection systems. For more than three decades, this standard reference book has provided extensive knowledge, e. Fundamentals of lightning protection systems course no. Contrary to the myths, lightning protection systems.
Now the third revised edition of the english lightning protection guide is available. A lightning arrester alternative spelling lightning arrestor also called lightning diverter is a. Before connecting the cable to the device, install a signal lightning arrester on the corresponding port. Manufacturers of facility lightning protection browse companies that make facility lightning protection and view and download their free cad details, revit bim files, specifications and other content relating to facility lightning protection as well as other product information formated for the architectural community. Design details for outdoor lightning protection systems using aluminum components example lightning protection system installation details for outdoor systems the photographs of details of an old lightning protection system shown here were not the work of any of the companies or sources described at this website.
The dehn lightning protection guide is available as printed book, as pdf. A direct lightning strike can damage structures, critical equipment and occupants. For more information on the range of products designed to cover points 3 through 6, please request a copy of the eritech grounding, cadweld. More details will be found in the engineering standards documents commonly used for lightning protection. Detail drawings of supporting masts, down conductors, ground systems, and bonding applications for the prevectron 4 electronically activated streamer emission ease lightning protection system. Manufacturers of facility lightning protection browse companies that make facility lightning protection and view and download their free cad details, revit bim files, specifications and other content relating.
Annex d of iec 623051 describes in detail in which way the. Please consult our experts for details on lightning protection systems. An engineer can use a risk assessment calculation based on nfpa 780, installation of lightning protection systems. How to protect your house and its contents from lightning. In the highest class of lps i the induction coefficient is fixed to ki 0,08 and reduced to ki 0,06 and ki 0,04 for lps ii and lps iiiiv considering the reduction of the current steepness see table 1. Drawing labels, details, and other text information extracted from the cad file translated from spanish. How to protect your house from lightning premier power inc. Professional surge protection for building installations. If the rods are over 24 tall they can be spaced 25 apart. Introduction to lightning protection system design electrical knowhow. Provide and install a complete lightning protection system in compliance with the specifications and. Design details for outdoor lightning protection systems using aluminum components example lightning protection system installation details for outdoor systems the photographs of details of an. The product terms mentioned in the lightning protection guide that are.
Detail drawings of air terminals, connections, down conductors, ground termination, and bonding applications for the franklin lightning protection system. In this case, lightning current arresters for power supply and information technology lines do. As lightning seeks the path of the least resistance, it naturally tends to follow the shortest way between cloud and earth, such as buildings or towering projections. And all of this equipment should be installed per nfpa 780. When an aerial cable is set up, the cable should be through a metal pipe 15m long at least before coming into the building. The lightning protection institute is a nationwide notforprofit organization founded in 1955 to promote lightning protection education, awareness, and safety. This system provides safety for the building and occupants by preventing damage to the structure caused by lightning. To determine the need for protection against lightning for a given building structure, the variables to the right are to be considered. Manufacturers of facility lightning protection arcat. On receipt of the lightning protection system materials at site necessary precautions shall be taken for unloading, shifting and storage, as follows. Oct 15, 20 specification lightning protection systems general. Pdf lightning is a natural phenomenon that may cause dangerous currents and voltages, resulting injury or even death of human beings and damage to. Click the pdf files below to download teslas 1918 patent that gave birth to the cmce technology of today.
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