Building Lightning Protection Requirements

Lightning strikes can severely injure or kill workers whose jobs involve working outdoors. LPI-175 Lightning Protection Installation Code. "Anytime you have a building near the water, you should consider lightning protection," said Robert Cooper, owner of Associated Lightning Rod Company, which handled the work on the city-owned. All metal objects must be bonded to ground including cabinets, racks, PDUs, CRACs, cable pathway, and any raised floor systems. BS6651 covers all aspects of Lightning Protection but sections 31-34 are of particular relevance for testing and maintenance. Industrial Lightning Protection. 1 CAN/CSA-B72-M87(R1992) Installation Code for Lightning Protection Systems These reference documents may be available for reference purposes in the Technical Resources and Standards Division Library, Alberta Infrastructure, 3rd Floor, 6950 - 113 Street, Edmonton; Telephone: (780) 427-7924. Photovoltaics in Buildings Guide to the installation of PV systems 2nd Edition the department for Enterprise DTI/Pub URN 06/1972 73376 COVERS 17/10/06 3:10 pm Page 2. The National Electrical Code, 250. Lightning protection for metal pole building I got into a discussion with some friends concerning lightning protection for metal pole barns. Hi Jake, Thank you for your question regarding the mandatory bonding of steel rebar, It is our pleasure to help. Large boats with cabins, especially those with lightning protection systems properly installed, or metal marine vessels offer a safer but not risk-free environment. 1 SABS CODE FOR LIGHTNING AND SURGE PROTECTION Installation of surge arresters is optional. However, the Electricity at Work Regulations 1989 do apply to most businesses. Amdt 1 2 Normative references. Indoor need not be weather resistant if building provides weather protection. For high rise buildings, all the part of the building above 120m should also be provided with this lateral protection. general building heights and areas; separation of occupancies. ) NFPA 780, Standard for the Installation of Lightning Protection Systems o Industry standard for lightning protection o Chapter 4 -General requirements for ordinary facilities. Lightning up to 2 km away can cause damage to sensitive electronics and thus it is most important to install internal lightning and overvoltage protection for the equipment. Outdoor cables should be buried and paved to the indoor through basement. However, a building owner or a project's architect/engineer (A/E) may be concerned lightning protection will impact the building's aesthetic. All Lightning Protection Systems and Static Earthing systems must be fully inspected and tested by competent personnel using calibrated test equipment. 1 Definition of Commissioning The demands of building users regarding the built environment are growing. The purpose of this procedure is to define the step by step method to implement the correct practices for the precommissioning, testing & commissioning of Lightning Protection System through the guidelines contained herein so as to ensure that the job execution complies with the project requirements and serves the intended function to satisfactory level. All other components shown on the Drawings, specified or required for a fully operational grounding system. This Section includes lightning protection for buildings and associated structures and requirements for lightning protection system components. Description: UFC 3-575-01 provides policy and guidance for design criteria and standards regarding static electricity protection, lightning protection systems and related. 1 This document shall cover traditional lightning protection system installation requirements for the following: (1) Ordinary structures (2) Miscellaneous structures and special occupancies (3) Heavy-duty stacks (4) Structures containing flammable vapors, flammable gases, or liquids that can give off flammable vapors (5) Structures housing explosive materials (6) Wind turbines (7) Watercraft (8) Airfield lighting circuits (9) Solar arrays 1. If there is a significant increase in the value of the earth resistance from previously measured values,. Some common bonds include interconnections with downspouts, railings, water pipes, door tracks, etc. ts 64 Figure 35-Lightning protection for domestic properties 65 Figure 36 - Lightning protection fur tents 68. The building can only be occupied when a CSC or TOP is granted. According to RC 35 'Protection of buildings against lightning strikes', a risk control publication, it is not a legal requirement for all buildings and structures to have lightning protection. Partial systems are not covered by this standard. Take advantage of our free lightning protection appraisal including computerised risk assessments to establish whether your building or structure requires lighting protection, and if required, to what level of protection as determined by BSEN62305:2006. The relevant clause from our local standards for lightning protection states: "Cranes and other tall lifting appliances used for building construction purposes, shipyards and port installations should also be bonded to earth. Part 1: Will your station survive the effects of lightning strikes or electromagnetic pulse (EMP) generated by nuclear explosions? The information in this series will help you harden your radio system. chapter 1: general requirements. Grounding and Lightning protection as per NFPA 780 & 70. It classifies the sources and types of damage to be evaluated and introduces the risks or types of loss to be anticipated as a result of lightning. minimum standards and requirements in the area of wiring design and protection, wiring methods and materials, as well as equipment for general use with the overall goal of providing safe electrical distribution systems and equipment. KEY ELEMENTS NECESSARY FOR THE PROTECTION OF EQUIPMENT & PERSONNEL FROM LIGHTNING. Most lightning protection systems serve two purposes: to channel lightning’s electrical energy to a suitable ground, and to keep lightning energy from entering your home. Lightning Strike Protection For Composite Structures Composite structures are more vulnerable to damage than metal, but today's LSP products offer proven protection. Contrary to the myths, lightning protection systems:. 3 These requirements shall not apply to adjacent structures. 1—Sustainable buildings guideline 1. The high rise buildings lightning protection design has become a growing issue for two decades. 25(a) (Housekeeping) addresses impalement hazards from debris, including protruding nails in form and scrap lumber by requiring employers to keep the worksite clear of these. IEC/BS EN 62305-3 provides the requirements for the protection of a structure against physical damage, by means of a lightning protection system, and for protection against injury to living beings due to touch and step voltages, in the vicinity of an LPS. Everdo Earthing provides a market leading comprehensive range of services for the design, supply, installation and maintenance of earthing, lightning and surge protection systems. The spire also houses communications equipment. chapter 8. Many contractors who provide equipment and supplies for Lightning Protection Systems can offer valuable support services - and some even have software packages to help with certain elements of the standard. Construction & Building and certification services to ensure lightning protection system compliance with nationally-recognized safety standards. Lightning Protection Design The purpose of lightning protection design is to safeguard valuable equipment and assets from the hazards arising from exposure to lightning. Construction is a high hazard industry that comprises a wide range of activities involving construction, alteration, and/or repair. IEEE Guide for Direct Lightning Stroke Shielding of Substations 1. Lightning protection installation according the standard UNE 21186:2011. If national regulations such as building regulations, special regulations or special directives require lightning protection measures, they must be implemented. Part 1: Will your station survive the effects of lightning strikes or electromagnetic pulse (EMP) generated by nuclear explosions? The information in this series will help you harden your radio system. Compliant Roof VentsAirflow is very important when personnel has to enter the tank for routine maintenance or cleaning. At Aplicaciones Tecnológicas S. This booklet contains nine sets of detailed construction specifications for lightning protection systems for most types of buildings. Brick-and-mortar buildings. Online building codes are becoming widely available due to their convenience and the ability to keep them updated without having to issue addenda. The top of the light terminal shall be installed at least 2 meters over the area that it protects (including antennas, refrigerating towers, roofs and tanks). These specifications meet or exceed all standard requirements and industry standards. To satisfy the requirements of the standards, the mechanical and electrical characteristics of a lightning protection system must be maintained over its entire life. The book had to be revised and enlarged due to changes in standardisation and technical progress. Try British standards. Lightning Protection UK Limited are an independent company, specialising in the design, supply and installation of lightning protection and specialist low resistance earthing systems. Lightning Safety When Working Outdoors. In addition to the NFPA 780, there are references cited therein. As Singapore is exposed to the elements and inclement weather all year round, stringent codes for lightning protection are enforced. Many fixed-seating buildings such as theatres, stadiums, and arenas contain balconies or mezzanines that are greater than 3m above a lower area. Building Ground Rings (counterpoise. As one of the largest and most respected companies providing these services in south-east England, we are approved contractors to many local authorities, national bodies and major. Protection against lightning strikes on process plant located outside buildings is required since lightning is a potential ignition source especially for fires involving storage tanks. During Construction: Where possible, lightning protection should be designed during the planning stage of the building along with other systems, and should be installed during building construction. LIGHTNING PROTECTION CHECKLIST. A lightning protection system does. L-ion Lightning Protection, New Brunswick. We offer a design and installation service for the Safe Strike Early Streamer Emission (ESE) lightning protection systems. While the need for lightning protection in high-tech manufacturing, research, data processing, telecommunications, and similar fields are obvious candidates for lightning protection, one should not overlook the need for LPSs on buildings in more traditional brick-and-mortar industries. You therefore need specialist surge protection to prevent equipment damage from LEMP (lightning electro-magnetic impulse). Thomas Mason, PE. facsimile machines, modems, computers) from overvoltages resulting from a lightning strike to the building or its associated services. We also specialize in maintenance of existing lightning protection systems and do soil resistivity testing according the SANS 10313:2013 and SABS 10313:2013 standards. o Provides changes to lightning protection requirements (chap 12) o Adds requirements from the Munitions Rule (para 13-29 and chap 19). Amdt 1 2 Normative references. A direct strike to a building or structure will seek a path to ground either via the structure's lightning protection system or via any other metallic path via a series of. Flat or Side Mount Base with Lightning Rod. lightning protection systems Inspections, tests, and maintenance shall be performed in accordance with the manufacturer's instructions and NFPA 780 (latest edition). In Intra-building Lightning Immunity (GR-1089) and ESD. " I have asked two of my associates to contribute to this and have decided to yet split it one more time into 2 parts, because each part covers different aspects of Standards and how they apply to Lightning Eliminator's products and technologies. Online building codes are becoming widely available due to their convenience and the ability to keep them updated without having to issue addenda. If national regulations, e. The lightning protection code is designed to help educate and enforce good workmanship in the lightning protection industry and keep Moms and Dads coming home to their kids every night, and protecting your home so that you can sleep well knowing disaster won't strike in the form of a lightning bolt at night. components of lightning protection systems and the applicable codes and standards in order to facilitate a reasonably safe and code-compliant installation. Lightning arresters can be commonly seen mounted on tall buildings, monuments, towers, water tanks etc. The Florida Building Code identifies 3 occupancy types that require a lightning protection system in compliance with the NFPA 780. Small, light, or open-air structures such as picnic shelters, sheds, car ports, garages, golf shelters, tents, greenhouses, and baseball dugouts are NOT considered safe buildings. Lightning Protection Consultant Handbook ERICO® is dedicated to providing a cost-effective lightning protection solution for any given application. Adequate protection is therefore es- sential. Automatic Lightning Protection is the Premier Supplier of USA made and UL Approved lightning rod parts and equipment. Lightning Protection UK Limited are an independent company, specialising in the design, supply and installation of lightning protection and specialist low resistance earthing systems. o Volume 2 contains electrical and LPS safety standards o Selects NFPA 780 as the LPS criteria for AE facilities (V2. The cost data, summarized below, confirm that lightning protection is economical and can be justified on a cost-to-benefit basis in at-risk buildings. NFPA 30-2008: Basic Requirements for Storage Tanks New York City Metro Chapter Society of Fire Protection Engineers New York, NY — February 22, 2011. When located on a parapet mount atop a building, a camera essentially becomes a lightning rod. Ground differentials at the level normally encountered (which can be several volts even within a building) are no problem. We stock a range of electrical earthing and lightning protection products, protecting critical systems and buildings in the event of over-voltage lightning strikes. ERICO manufactures, using the ERITECH® trade name, lightning protection systems in full accordance with more than twelve national and international. Apply all the steps for Lightning Protection System Design Process, Perform the Risk Assessment Study, Size Air Termination System Components, Apply methods for the Best Positioning of Air Terminals, Determine the Number Of Down Conductors, Design earth termination system, Write specifications for the designed LPS. Lightning Protection for Historic Buildings by Tim Donlon. Most installations involve some form of lightning protection system which is connected to an earth electrode. During Construction: Where possible, lightning protection should be designed during the planning stage of the building along with other systems, and should be installed during building construction. Protection against lightning strikes on process plant located outside buildings is required since lightning is a potential ignition source especially for fires involving storage tanks. Fully updated to reflect the latest protection methods, devices, and safety challenges, the 2014 NFPA 780: Standard for the Installation of Lightning Protection Systems is essential for designers, installers, insurance professionals, AHJs, and anyone responsible for protecting lives and property from fire and related dangers associated with. The Design Guide for the Fire Protection of Buildings has been prepared to allow architects and designers to take into account business risk management issues in relation to the fire protection of buildings. Zone of protection is described in the lightning Standards using a 150 feet (46 meters) radius sphere model to identify items under the protection of higher system elements or building extensions to distances that require further protection by additional strike terminals. The point of strike on the protective system may be raised to a high potential with respect' to adjacent metal. Bonding Jumper. This guide will assist you in determining if your building is at risk for a lightning strike. Here in Florida, lightning protection is only required for three occupancy types as indicated in the Florida Building Code. Buildings most at risk are those at high altitudes, on hilltops or hillsides, in isolated positions and tall towers and chimneys. Figure 33 -Vertical air termination for protection of explosive stores 61 Figure 34 - Exceptional protection against overvoltlges induced by lightning in incoming supplies to buildings with explosive or highly flammable conten. Part 1 : Lightning Protection System Design Certification I certify that the design of the above-mentioned lightning protection system complies with the requirements of the Building Control Regulations 2003, SS:555 and the relevant Singapore Standard Code of Practice. If the building is fitted with a lightning protection system (as per IEC 62305), a Type 1 SPD should be installed. Code requires a building safety ground to have a ground resistance of 25 Ohms or less. building regulations, special regulations. Lightning Protection Systems: Welcome to UL's Lightning Protection Services website! You are not logged in. Protection against Atmospheric Discharges Given that a lightning is a natural phenomenon and as one it is unpredictable, it is impossible to avoid its incidence on the structures or people 100% of the times, what a protection system does is attract the lightning that otherwise will strike in an undesired area. The top of the light terminal shall be installed at least 2 meters over the area that it protects (including antennas, refrigerating towers, roofs and tanks). Zone of protection is described in the lightning Standards using a 150 feet (46 meters) radius sphere model to identify items under the protection of higher system elements or building extensions to distances that require further protection by additional strike terminals. Insurers set high standards for lapas. This would be the ideal condition, one that, however, is not necessarily true in practice. While the need for lightning protection in high-tech manufacturing, research, data processing, telecommunications, and similar fields are obvious candidates for lightning protection, one should not overlook the need for LPSs on buildings in more traditional brick-and-mortar industries. The objectives of this study were to determine (1) to what extent these selected federal agencies use applicable lightning protection standard(s) to help protect buildings they own from lightning strikes; (2) how these selected federal agencies assess the need for lightning protection systems on their buildings; (3) what practices and lightning. I Igweonu2 and B. IStructEDesign recommendations for multi-storey and underground car parks(3rd Edition) 1 The Institution of Structural Engineers June 2002 Design recommendations for multi-storey and underground. Scope This guideline provides information on the QDC requirements as they apply to a. 9-STD also requires that wires and connectors on lightning protection systems not be painted. Lightning Protection. was constructed from inside the building and jacked to its full height of over 200 m (660 ft). of Lightning Protection Systems, and other standards. SABS is a leading global provider of standards, management systems, business improvement and regulatory approval information. Reflecting the latest protection methods, devices, and safety challenges, the 2017 edition of NFPA 780: Standard for the Installation of Lightning Protection Systems is the new industry benchmark for protecting lives and property from fire and related dangers associated with lightning events. Lightning protection standards indicate that, besides the roof, for buildings higher than 60 meters the 20% upper part should be protected with an air termination system. A minimum angle of 45 degrees taken from the highest tip of the mast to ground zero is prescribed. The Code permits a ground ring, which will function properly as the grounding electrode where installed in accordance with the requirements of 250. This will divert the electricity from lightning strikes induced on to the fence to the earth before it does any damage to the controller. chapter 8. One thing that you can be sure of is that at some stage your equipment will definitely be exposed to surge and lightning induced voltages and currents. To facilitate this process, UL has expanded the existing membership of its Standards Technical Panel (STP) 96 (on lightning protection. If boating and you cannot get back to land to a safe building or vehicle: On a small boat, drop anchor and get as low as possible. Each piece of electrical equipment in an electrical system needs to be protected from voltage surges. All other components shown on the Drawings, specified or required for a fully operational grounding system. As large parts of the lightning protection system may be hidden or inaccessible after completion, it is particularly important, and indeed a requirement of the code, that each component of a lightning protection system. Once a decision is made that lightning protection is necessary, Section 4 provides details on interception lightning protection for the building or structure. The purpose of the amendment is to update and modernize the rules, eliminate unnecessary or outdated requirements, and ensure the rules encourage modern professional practice. The point of strike on the protective system may be raised to a high potential with respect' to adjacent metal. L-ion Lightning Protection, New Brunswick. We will review our catalog and help you select the right part. Earthing & Lightning Protection. The possible types of damage are injury to living beings due to step and touch voltage; physical damage (fire, explosion, mechanical destruction, chemical and radiological release) due to lightning current effects and failure of internal systems due to lightning. The NEC also covers minimum requirements for special occupan cies including hazardous locations and. This will make it easier to protect the system from mechanical displacement and environmental effects. The mechanics and. 9-STD also requires that wires and connectors on lightning protection systems not be painted. lightning protection systems Inspections, tests, and maintenance shall be performed in accordance with the manufacturer's instructions and NFPA 780 (latest edition). covers the earthing of temporary scaffolding and the protection of scaffolding from lightning. How to connect a TV or Radio Antenna while protecting your home from lightning dammage. special detailed requirements based on use and occupancy. PART 2: PRODUCTS. standards for lightning protection, transient surge protection, grounding, bonding, shielding configurations and procedures, and control of electrostatic discharge (ESD). Lightning Protection UK Limited are an independent company, specialising in the design, supply and installation of lightning protection and specialist low resistance earthing systems. Three types of building protection are used: The lightning rod (simple rod or with triggering system) The lightning rod is a metallic capture tip placed at the top of the building. Nor is an antenna system installed according to this standard a substitute for a lightning protection system of a building or structure. Prior to this was BS CP326, first published in 1965. Lightning Protection UK Limited are an independent company, specialising in the design, supply and installation of lightning protection and specialist low resistance earthing systems. In addition to the NFPA 780, there are references cited therein. A direct strike to a building or structure will seek a path to ground either via the structure’s lightning protection system or via any other metallic path via a series of. Lightning bolts occur when the voltage differential between two locations in the atmosphere or the earth’s surface reaches a critical level. 2 Building Lightning Protection- A critical extension of grounding. The minimum length of each earth electrode at the base of each down-conductor is specified in BS EN 62305 and the table below. 100(A)(4)] helps reduce differences in potential between communications circuits and other metallic systems during lightning events. find out more Cuttings provide the highest calibre of service to ensure that your buildings are fully protected in the event of a lightning strike. NFPA 780: Standard for the Installation of Lightning Protection Systems, 2017 Edition. Scope This guideline provides information on the QDC requirements as they apply to a. The Lightning Protection Workgroup will seek to develop a package of consensus-based recommendations for submittal to the Florida Building Commission. Lightning strikes aren’t particularly predictable, so permanent readiness is a pre. PART 1 - GENERAL. The effective ethernet protector has a earthing wire. (b) The protection of a variety of buildings or structures, including those with explosive or highly-flammable contents, and mines. A solution that delivers effective life safety, together with long lasting, reliable protection of a structure and the electronic systems within. 2 REFERENCES A. Lightning Protection Ireland is one of the leading providers of lightning protection systems in Ireland. Lightning Protection Blog Week 78 | March 14, 2014 As promised, here is Part III in the "Misspelled, Misunderstood and Manhandled Series. Air terminals -- the rods themselves -- must project at least 10 inches above the building's highest point. Lightning rods come in many different forms, including hollow, solid, pointed, rounded, flat strips, or even bristle brush-like. We stock a range of electrical earthing and lightning protection products, protecting critical systems and buildings in the event of over-voltage lightning strikes. The same is also implemented in new National Building Code – 2016, Part -8, Section 2 which also clearly defines the need of the measures to be taken care for planning, erection, testing and maintenance of lightning protection system. Separate the antenna tower from the equipment building by a minimum of 30 feet. The Lightning Protection Workgroup will seek to develop a package of consensus-based recommendations for submittal to the Florida Building Commission. terminals on the roof, the conductor to connect a metal object on or above roof level that is. Annual system inspection checklist. 2* This document shall address. Without the lightning protection system, when a building is struck the lightning attempts to find a path to ground. This edition of the code referenced the NFPA 780-1997 for compliance. Installation in the pre-meter area makes it possible to arrest dangerous lightning currents virtually instantly as they hit the building. Second, do not earth equipment. This standard is intended to provide requirements, within the limits of the. declare that their lightning protection systems comply with national standards, making it difficult for you to determine if systems are truly compliant, properly installed or perform as claimed. Additionally, if you have metal objects within a few feet of the roof itself, such as metal structures on a nearby porch, or large yard equipment, you may. Lightning struck a group of modular classroom buildings at a middle school in Maryland yesterday, setting ten classrooms on fire. As expected a few opinions were given whether one should have some type of lightning rod, grounding, etc. v) Protection of Building and allied structures against lightning shall be as per IS:2309. 1 Substation lightning protection systems must protect substations (plant equipment and buildings) from harmful effects of direct lighting strikes. types of construction. 2 These requirements apply to lightning protection systems that are complete and cover all parts of a structure. A lightning protection system does. Everdo Earthing provides a market leading comprehensive range of services for the design, supply, installation and maintenance of earthing, lightning and surge protection systems. TC81 has achieved its first cycle of work when issuing a standard (IEC 62305) in four parts (IEC 62305-1 to 4) listed below. SUMMARY OF REVISIONS: This directive supersedes NWSM 30-4106, "Lightning Protection, Grounding, Bonding, Shielding, and Surge Protection Requirements", dated July 16, 2014. Standard requirements for LPS inspection. PART 1 - GENERAL. ) Install a lightning diverter (commonly referred to as a lightning arrestor) between the fence and the fence controller. Summary guidance: basic requirements for testing of lightning protection systems. Paying attention to weather conditions and forecasts allows time to plan for threatening weather and to react appropriately. Manufacturers: Only firms regularly engaged. • Requirements of standards and codes of practice EARTHING DESIGN • Earthing and bonding for electrical safety • Protection against lightning • Earthing system and electromagnetic compatibility • Static electricity protection • Influence of LV earthing schemes on lightning overvoltages • Resistance to earth. Data center equipment grounds must be independent of all other building grounds (such as lightning protection systems). 3 These requirements shall not apply to adjacent structures. Then, with astonishing speed, an ionized, conductive path is established and there is a flow of electrical current that is often powerful. Description: UFC 3-575-01 provides policy and guidance for design criteria and standards regarding static electricity protection, lightning protection systems and related. This Technical Reference is intended to provide a framework for DPI officers to assess coal operation arrangements for electrical protection and earthing as part of the Electrical Engineering Management Plan. The thickness of the metal surface is sufficient to protect the airplane’s internal spaces from a lightning strike. Ensure all personnel remain clear of the machine and its hooks. Amendments to the building regulations and to the building standards system are made to ensure the aims of the system continue to be met and that the system meets the needs of the people of Scotland. Most lightning protection systems serve two purposes: to channel lightning’s electrical energy to a suitable ground, and to keep lightning energy from entering your home. Proper disaster planning should consider the possibility of all active fire systems failing. building code: chapter 1. The Application and Selection of Lightning Arresters. To protect yourself, home, and your radio equipment you need to install some basic lightning protections into your antenna system. Lightning protection is not mandated under national building codes but is required in some local codes, by government agencies and by an increasing number of sophisticated building owners. and internal lightning protection. The Regulation sets out requirements for fall protection under section 11. The importance of the LPS can only be realised in the event of a direct strike to the building and this may only happen once every few years [18]. Then, with astonishing speed, an ionized, conductive path is established and there is a flow of electrical current that is often powerful. This is primarily done using lightning rods, which offer a "path of least resistance" for the. Lightning Protection 101 Anytime outside plant (OSP) copper cable is on a bill of materials (BOM) or a project bid, the project will require lightning protection The following types of products on a typical Bill of Material might indicate a lightning protection opportunity:. This system is used in. A UK guide to the practical application of BS EN 62305 building and other to do this will the requirements for protection against lightning be delivered in a. The safest place to be during a thunderstorm is in a well-constructed building. Passive Fire Protection Measures. Basic guide for external lightning protection installation. PLP-CAT Fast Deployment Catenary Lightning Protection Systems are designed to protect large objects or buildings in a broad area by utilizing an appropriate number of special PLP-series masts and catenary wires between mast pairs. between the outside (LPZ0A) to the inside of a building (LPZ1) -SPD fitted in a consumer unit. facsimile machines, modems, computers) from overvoltages resulting from a lightning strike to the building or its associated services. chapter 8. Most lightning protection systems serve two purposes: to channel lightning’s electrical energy to a suitable ground, and to keep lightning energy from entering your home. How Surge Protection Devices (SPDs) work. This is primarily done using lightning rods, which offer a "path of least resistance" for the. It looks in detail at the requirements for the inspection, testing and certification of Lightning Protection Systems. When revising requirements in industry safety standards, consideration must be given to how the scopes of such standards are impacted and whether or not the proposed revisions to the contained requirements are a viable solution to the real problem. Perform the required inspections, testing and maintenance at specified intervals per the requirements of this Chapter, for all fire protection and life. But when lightning strikes, the electricity needs to move to the ground. Width of footway 39. A lightning protection system's 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. Because current standards and codes governing building entrance protection are ambiguous in their requirements for. Title: Lightning protection. Air terminal shall be a minimum of 12 inches in. Underwriter laboratories—. Relevant good practice is provided by the BS EN 62305 series of standards, Protection against lightning. Requirements of this section apply to electrical grounding and bonding work specified elsewhere in these specifications. In fact, a home or other substantial structure like an office building serves as the best protection from a lightning strike. Static grounds are not part of a n electrical power system, but if an equipment grounding. BS6651 covers all aspects of Lightning Protection but sections 31-34 are of particular relevance for testing and maintenance. The ALLTEC Protection Pyramid® is the framework used to visualize, design, and implement comprehensive facility protection using grounding, surge suppression, and lightning protection. In the 2014 NEC, Article 700. 8 was added to address the reliability of emergency power systems. A lightning strike is one of the most costly and damaging incidents that can happen to factory equipment, damaging high-tech electronic equipment like computers, microprocessors and programmable logic controls (PLCs) used to automate manufacturing systems at industrial sites. We offer a design and installation service for the Safe Strike Early Streamer Emission (ESE) lightning protection systems. If your building includes one or more of these features, your insurer may apply a credit to your property insurance rate. 3 pertaining to facilities that handle or process combustible or explosive dust now presents specific references to NFPA® standards addressing dust hazards,. This guide will assist you in determining if your building is at risk for a lightning strike. Standard for Installation Requirements for Lightning Protection Systems, UL 96A, 2001. Lightning Protection Systems: Advantages and Disadvantages Donald W. The main roof perimeter lightning protection ring must contain at least two down conductors connected to the grounding electrode. 2 MB Name Updated Size Drawing 01 56 00-01, Tree Protection Fencing. However, the Electricity at Work Regulations 1989 do apply to most businesses. Lightning protection standards indicate that, besides the roof, for buildings higher than 60 meters the 20% upper part should be protected with an air termination system. Lightning protection systems should be added to this list of related work. To provide standards for all electrical schematic diagrams for the Large Hadron Collider (LHC) and its detectors. The spire also houses communications equipment. LI GH TN ING SA FE TY WA RN IN G. ANSI/CAN/UL Standard for Lightning Protection Components BURNING CHARACTERISTICS OF BUILDING MATERIALS AND ASSEMBLIES Requirements for Protection Devices for. Earthing & Lightning Protection. All other components shown on the Drawings, specified or required for a fully operational grounding system. Out of Sight, Not Out of Mind. A lightning-protection system on a residential home is basically comprised of the same materials and installed in the same way as a larger building, but the larger building may have multiple rods and several conductors running to the ground. Lightning Protection Systems. By providing access to the right information at the right time in the right way, our specification and collaboration, building product and construction knowledge tools and services enable you to deliver outstanding projects in an informed, collaborative and efficient way. This paper presents an overview of how the lightning strikes and their e ects on power distribu-. Section 3 provides advice on the protection of persons from lightning, mainly relating to the behaviour of persons when not inside substantial buildings. Indeed, the use of lightning protection level I (or I+) is preferred in oil and gas industrial plants where the environment and contents are exceptionally sensitive to the effects of lightning, unless in such regions where the infrequency of lightning activity is proved. Fortunately, it is very easy. It includes the following major additions: a. With average lightning currents of 20 to 30 kilo amps and heat energy in excess of 20,000°C, the need for improved lightning. For SPD installed at the incoming end of the installation, the IEC 60364 installation standards lay down minimum values for the following 2 characteristics:. Buildings most at risk are those at high altitudes, on hilltops or hillsides, in isolated positions and tall towers and chimneys. The connection between AC, DC, Bonding, Grounding, and Lightning Protection systems. A list of the FREE codes that we are aware of is included below. Currently, this project is active. For a finite period, BS EN/IEC 62305 and BS 6651 ran in parallel, but as of BS EN IEC 62305 Lightning protection standardAugust 2008, BS 6651 has been withdrawn and now BS EN/IEC 63205 is the recognized standard for lightning protection. A session at the upcoming NAB Broadcast Engineering Conference. Zipse, Fellow, IEEE Abstract-The successful 200-year-old method of using a (Franklin) rod to collect, control, and convey to earth the awesome and destructive power of lightning has produced other controversial, potential alternate methods. 6 m gain in lead distance. ) Install a lightning diverter (commonly referred to as a lightning arrestor) between the fence and the fence controller. Lightning protection requirements have been included in the Florida Building Code (FBC) since the very first edition. Lightning Protection ‹ General Conditions And Requirements in Electrical Construction Contract up Grounding or Earthing System In Electrical Construction Works › Log in or register to post comments. Proper TV or radio tower grounding is the key to lightning protection and good reception. BS 7430 applies only to land-based installations in and around buildings. Hi Jake, Thank you for your question regarding the mandatory bonding of steel rebar, It is our pleasure to help. the design and installation of LPS (Lightning Protection Systems) for structures and buildings, the protection against lightning of services entering the buildings and the protection of electrical and electronic systems. Amendments to the building regulations and to the building standards system are made to ensure the aims of the system continue to be met and that the system meets the needs of the people of Scotland. One effect of a direct lightning strike is increased ground potential – when the lightning strikes a building or a lightning rod,. The appropriate standards for lightning protection in these markets are: - UL 96 Lightning Protection Components - UL 467 Grounding and Bonding Equipment - NFPA 780 Standard for the Installation of Lightning Protection Systems - UL 96A Installation Requirements for Lightning Protection Systems. Once the building is struck, lightning current can cause damage either by spark over or intrusion through service lines Power System-Lightning Effects Slide 13: Lightning generates strong electromagnetic radiation in a broad band of frequencies Power System-Lightning Effects. lightning protection grounding electrode system. Lightning Master Corporation is a UL Certified Lightning Protection System Installer and offers a QA/QC program to satisfy the above requirements. The basics of surge protection We don't just want to support you with convincing solutions, but also to be on hand with help and advice. Lightning Protection Design The purpose of lightning protection design is to safeguard valuable equipment and assets from the hazards arising from exposure to lightning. KEY ELEMENTS NECESSARY FOR THE PROTECTION OF EQUIPMENT & PERSONNEL FROM LIGHTNING. Access from a street 36. Lightning protection systems on many factory buildings, especially in European countries, use lightning receptors mounted at regular intervals on the roof. MIL-B-5087B classifies bonds according. Installation of a Lightning Protection System should ideally be done during construction as the AS1768 Lightning Protection Standard specifies that the conventional design should be designed and installed during construction, as this type of Lightning Protection System can be difficult to retrofit to existing buildings, and would require down conductors to be installed vertically on the external walls every 20 metres. protection needs and operating requirements, taking into account the anticipated threat level. these AE safety standards and serves as the primary source document for this Manual. Lightning protection throughout the world is now governed by national and international standards which stress the need for a comprehensive solution. (c) The protection of sensitive electronic equipment (e. Surge arrestor gives the protection against surge currents or voltages in a circuit. Building codes are published to meet the needs of local jurisdictions charged with enforcement of building standards for construction and use, and are updated to reflect the latest standards of life-safety and construction technology. All electrical installations shall be carried out in accordance with the best International Standards and Codes of Practice specifically with the current issue of the IEE Regulations (BS 7671) and the requirements of the supply authority. The lightning protection standard is an IEC standard and was therefore incorporated in the standards of the CENELEC * members under consideration of national requirements. Courtesy of the Lightning Protection Association. In the 2014 NEC, Article 700. The basic planning of the electrical works in high rise buildings starts with identifying the various requirements of the occupiers of the building, as well as the requirements of the statutory regulations. 4 Adjacent structures shall be considered separate structures. UL 96A Lightning Protection Systems Standards for Installation. Lightning protection systems - What they do and don't do. Design of Lightning Arresters for Electrical Power Systems Protection Shehab Abdulwadood ALI Department of Physics, College of Saber, University of Aden, 867 Street 10B, Sheikh Othman, Aden, Yemen [email protected]