Provides a reminder for employers who operate electrical power generation facilities of potential explosion hazards during boiler startup, operation, and shutdown. Practical electrical substation safety for engineers. Training is one of the most important safety practices, without which all other safety measures remain ineffective. List some electrical safety tips that all workers must adhere to when working with any of the following. This document supports the power system safety rules and its requirements assembled under work in substations general category 3. Pdf importance analysis of power plant safety systems.
Mapping safety and environmental management policies, procedures, or operations using this document does not guarantee. Never assume that a wire is safe to touch even if it is down or appears to be insulated. Industrial electrical safety inspections presented by. Industrial electrical safety inspections vpppa, inc. Safety and health topics osha assistance for the electric power. Consider all floors as conductive unless covered with insulating matting of suitable type for electrical work.
Electrically powered equipment can pose a significant hazard to workers, particularly when mishandled or not maintained. Esfi encourages you to use this presentation and our other fire prevention week resources to increase fire and electrical safety awareness in your community, school or workplace. Prevent failures and ensure a safe working environment with independent. Student manual centers for disease control and prevention. Power plant safety management uniper services uniper energy. Many electrical devices have high voltage or high power requirements, carrying even more risk. Electric generating plants with franchise, which are under board of power and waterworks b.
Safety and reliability for electrical power author. These regulations are contained in title 8 of the california code of regulations t8ccr. Electrical safety electrical hazards can cause burns, shocks and electrocution death. Understand the safety threats that abound in the work environment. A substation provides a protected area for switching power circuits and may include transforming power from one voltage to another. Accessibility is a key aspect that heavily influences the security of the substation, its infrastructure, and the safety of its occupants.
In many occupations, a level of danger is expected because it is inherent to the job, but this is only more reason for companies to take employee safety seriously. The manual is a modest attempt to formulate safety guidelines for ehv. Ensure that contractors andor sub contractors conducting work activities for or on your behalf comply with all safe work practices and procedures or have a safety system in place that meets or exceeds the requirements of your country, state or county. Mersen, electrical power, electrical protection and control, solutions for power management, safety reliability. Safety factors to consider for substation accessibility. Maintenance of electrical plants and electrical lines regulations, 2011. National electrical safety code part 1 rules for the installation of electric supply stations and equipment part 2 safety rules for the installation and maintenance of overhead electric supply and communication lines part 3 safety rules for the installation and maintenance of underground electric supply and communication lines. This manual on electric power distribution systems is one of a series developed to aid utility supervisory personnel at shore establishments in the performance of their duties. Ensure that only trained, qualified and competent people carry out work on electrical systems. Electrical safety and safety standards for pv installations represent a particular challenge for the operator like every complex technical installation, a pv installation can also produce hazards. Pdf this paper is concerned with the evaluation of safety measures inside three.
Whenever you work with power tools or on electrical circuits, there is a risk of electrical hazards. Part 2safety management schemes electricity safety management regulations 2009 s. An introduction to electric power transmission table of content toc glossary. The 2017 nescr handbook, premier edition, is an essential companion to the code. Page 6 of 49 efcog electrical safety improvement project 1. Call the electric utility company to report fallen. Electrical safety management training electrical safety. Over 2000 workers are sent to burn centers each year with severe arcflash burns.
Scott young, cusp, has worked in the power industry since 1978. The type of fflame retardant colthing that will be required will. Do not pull or jerk the cord to unplug the equipment. Arcflash and other electrical safety hazards 27 electrical safety hazards 27 electric shock 27 arcflash and arc blasts 28 arcflash metrics 29 arcblast effect 31 light and sound effects 31 electrical hazard analysis 32 shock hazard analysis 32 approach boundaries 32 flash hazard analysis 34 arcflash calculations 35. Hse and electrical safety electrical safety at work. Explain the objectives and precautions of electrical safety, effects of shocks and their prevention. Removal of an isolating circuit element such as a fuse blocking of a controlling switch opening of an extra disconnecting device. Safety and reliability for electrical power mersen. For the purposes of this discussion, substation refers to substations and switching stations. Ts not measurement sensitive doehdbk109298 january 1998 doe handbook electrical safety u.
Most of the electrical health and safety regulations can be found in t8ccr, chapter. Pdf the operator of a power block must prove its safety to the state authority. Insulation and its role in safety enclosures for safety ip classification adverse thermal effects and prevention isolation and blocking of switching to prevent hazards role of standards in safety the program electrical substation safety is an important issue in. Thermal electrical power plants safety technology 10.
Sub stations on site have a ground grid located under the rocks, but if an individual is located outside this area and while standing on the earth, touches a ground or a grounded object, a difference in potential may exist during a ground fault. Sep 10, 2019 training is one of the most important safety practices, without which all other safety measures remain ineffective. All personnel in electric substations shall wear protective clothing, including hard hats, safety glasses, steeltoed shoes, and flame retardant clothing. Our customers for substation safety equipment regularly pose questions relating to safety protection during substation operation and maintenance. Csa group is a recognized leader in advancing worker safety and wellbeing in a variety of areas from personal protective equipment, to occupational health and safety management, to psychological health and safety in the workplace. Is the location of electrical power lines and cables overhead, underground, under floor, other side of. Electrical safety management system electrical estimating. Electrical safety means to avoid accidents caused due to electrical hazards. This article deals with the modeling of safety systems using the. An introduction to electric power transmission presentation. Hazards identification and risk assessment in thermal.
Jul 02, 2010 ensure that contractors andor sub contractors conducting work activities for or on your behalf comply with all safe work practices and procedures or have a safety system in place that meets or exceeds the requirements of your country, state or county. Power lines bring electricity from generating plants to our communities and into our homes. Explain the objectives and precautions of electrical. Switching station a part of an electrical transmission system that ties two or more electric circuits together through switches, to permit a circuit to be disconnected, or to change. Do not handle electrical equipment when hands, feet or body are wet or perspiring, or when standing on a wet floor. Insulation and its role in safety enclosures for safety ip classification adverse thermal effects and prevention isolation and blocking of switching to prevent hazards role of standards in safety the program electrical substation safety is an important issue in utility networks as well as large industrial installations. Power management bus bars over current protection for semiconductors. Appreciate the importance of ppe, use and maintain each piece in a proper manner. Is the location of electrical power lines and cables. Each employers safety management system will be different. Manual for transmission lines and substation construction and maintenance activities volume i best management practices volume ii permits prepared for prepared by hdr engineering, inc 701 xenia avenue south, suite 600 minneapolis, minnesota 55416 february 2007. Do unplug electrical equipment by grasping the plug and pulling. Feb 29, 2016 our customers for substation safety equipment regularly pose questions relating to safety protection during substation operation and maintenance.
Do plug power equipment into wall receptacles with power switches in the off position. Personal protective equipment is a very important part of substation safety. The document describes instructions for general work in substations and is complementary to the power system safety rules, advising on how to apply these principles for different types of work. For further information refer to part 5 of the electrical safety regulation 20 and the electrical safety code of practice 2020 working near overhead and underground electric lines pdf, 476. Electrical safety michigan water environment association. He is a certified substation technician and circuit breaker technician. Dec 17, 2019 substations are potentially highrisk environments. Read on to find out what safety factors should be taken in to consideration for substation accessibility. No service or power supply shall be connected to any electrical installation until the necessary final inspection and a safety certificate or permit issued by regional labor office or authorized representative 3. This handbook includes text directly from code which provides users an easy reference back to the code, rulingbyruling. Calosha regulations on electrical safety require california employers to provide workers with a safe and healthful workplace. There are a number of hazards unique to substations. It was developed through extensive research with vocational instruc. The table above does not fully detail exclusion zone dimensions and other requirements.
This course provides an introduction to electrical safety when working around substations and switchgear. Safety tips have all electrical work done by a qualified electrician. Many companies have been implementing process safety management psm systems to assess the risks. Safety awareness for substations incident prevention. All power circuits and electrical equipment shall be deenergized before work is done on such circuits and equipment, except when necessary for trouble shooting or testing. This code covers basic provisions for safeguarding of persons from hazards arising from the installation, operation, or maintenance of 1 conductors and equipment in electric supply stations, and 2 overhead and underground electric supply and communication lines. Write a howto paragraph on how to be safer during a thunderstorm. It has been prepared to provide a uniform set of electrical safety guidance and information for doe installations to effect a reduction. The manual is prepared on the basis of power safety rules handbook and gerc power system safety standard by making necessary modifications. This student manual is part of a safety and health curriculum for secondary and postsecondary electrical trades courses. Safety training must ensure that substation personnel.
Electrical safety handbook presents the department of energy doe safety standards for doe field offices or facilities involved in the use of electrical energy. Among the most common hazards to power plant workers are electrical shocks and burns, boiler fires and explosions, and contact with. Whenever you work with power tools or electrical circuits there is a risk of electrical hazards, especially electrical shock. They are a vital part of the electrical transmission and distribution system, but they can also be dangerous.
Manual for transmission lines and substation construction. In addition, due to its nature a pv installation places high requirements on the system safety technology with its large voltage. The power in electrical safety product overview solutions for nfpa and csa based markets bender group. Safe work practices on high voltage substation apparatus. Electrical safety management open electivei subject code. Young owns industrial safety institute in tampa, fla. Do not drape power cords over hot pipes, radiators or sharp objects. Process safety management psm in biofuels refineries. Grantee materials by topic occupational safety and. It explains how to properly guard energized equipment and energized parts, and how to work around steam boilers, chlorine systems, coal, and ash. Having safe systems of work is a legal requirement according to regulation 43 of the electricity at work regulations. Electric substation ppe safety toolbox talks meeting topics.
They are a vital part of the electrical transmission. Safe work practices on high voltage substation apparatus summary this document supports the power system safety rules and its requirements assembled under high voltage substation apparatus category 5. Under uk law the health and safety at work etc act 1974 hsw act in great britain or the health and safety at work northern ireland order 1978 in northern ireland employers are responsible for ensuring the safety and health of their employees and also the public, if they are at risk from those work activities. Grantee materials by topic occupational safety and health. This safety handbook has been compiled by econtractors to provide a.
It includes information obtained from extensive research of current literature on the subject and preferred practices based on practical experience. The manual is designed to engage the learner in recognizing, evaluating, and controlling hazards associated with electrical work. Electrical safety basic awareness provides basic electrical hazard awareness information in accordance with osha 29 cfr 1910 subpart s. This is best achieved through an integrated electrical safety management system which can be designed and maintained by electrical safety uk ltd.
Beyond training, the best way to prevent power boiler accidents is through proper maintenance and testing of safety devices. All the accidents due to electrical equipments are categorized under electrical hazards. However, we need to be cautious and keep safety in mind. Place in sequence the process of getting to a safe place when confronted with a thunderstorm situation.
I am here with some of the electrical safety tips for home. The mechanical energy of turbine is converted as electrical energy in a generator. This course is vital, as electrical safety is part of two of oshas 10 most frequently cited violations. Promoting electrical safety and the statutory requirements of the electricity ordinance through a wide variety of publicity activities ranging from announcements on tv, radio and newspapers, poster displays, talks, seminars and carnivals, to the distribution of safety guidelines, information leaflets, newsletters, educational videos and.
Your electrical safety resource n complete listings of products with comparisons, documen tation, datasheets, and technical information n industry specific knowledge to help you pick the right product n your electrical safety questions answered in our extensive knowledgebase with application notes n product selection tools. At the end of the course the student shall be able to 1. National electric safety code ansi c2 nesc 2012 edition jim tomaseski edison electric institute ibew director of safety and health occupational safety and health conference 2012 astm f18 and ieee standards affecting electric utility work on energized power lines. Electrical this presentation is designed to assist trainers conducting osha 10hour construction industry o.
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