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RISK ASSESSMENT & HAZOP STUDY OF CHEMICAL PLANTS
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- As an Employer it is YOUR responsibility to ensure:;
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Terms and Conditions. How It Works? IMEI Number. Exchange Discount Summary Exchange Discount -Rs. Final Price Rs. Apply Exchange. All electrical equipment and installations should be maintained to prevent danger. Healthy, safe and productive lives and enterprises. Managing Safety and Health in Schools. Teacher Support and Classroom Resources.
Safety and Health Initiatives in Education. Health and Safety Courses Online. Regulations and Orders. Codes of Practice. Workplace Complaint. Getting Started. Taking Care of Business. Workplace Transport Safety Load Securing.
Electricity in the Workplace
Accidents and Behaviour Bullying at Work. Strategy in Workplace Health Workplace Stress. Electricity in the Workplace Places of work generally have power nominally supplied at volt single phase and volt 3 phase although some larger workplaces will receive electricity at a higher supply voltage. The main hazards with electricity are: contact with live parts causing shock and burns faults which could cause fires; fire or explosion where electricity could be the source of ignition in a potentially flammable or explosive atmosphere, e. As an Employer it is YOUR responsibility to ensure: Extension cables and other flexible leads which are particularly prone to damage to plugs and sockets and to their connections are visually checked, maintained and where necessary replaced before using portable equipment.
Practical Industrial Safety, Risk Assessment and Shutdown Systems - 1st Edition
The ends of flexible cables should always have the outer sheath of the cable firmly clamped to stop the wires particularly the earth pulling out of the terminals Use the correct cable connectors or couplers to join lengths of cables together and do not allow taped joints. Controlling the Risk Reduce the Voltage Often portable equipment is available that is powered from a volt supply through a simple transformer and these are often centre tapped to earth so that the maximum voltage between a live conductor and earth the most common cause of electric shocks from equipment is limited to 55V.
Battery operated tools such as drills, screwdrivers etc can replace mains powered equipment Temporary and hand held lighting can be provided at 12, 25, 50 or volts. Ensure Fuses are correctly fitted The fuse protects the device from over current. It is important to ensure the correct fuse is used for the appliance.
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Part 1 of this standard provides safety requirements and guidance on the general principles of safety related parts of control systems. Part 2 specifies the validation process including both analysis and testing for the safety functions and categories for the safety-related control systems.
The purpose of the standard is to provide advice for decisions to be made on the safety of machinery. Now a technologist, Ishmael is working within the mines in Western Australia and[…]. Read more While there, we hosted a seminar about the trends in the engineering industries that are transforming Africa. The development of skills amongst young people in Namibia is vital.
While solar and wind energy seem to be the primary sustainable energy sources mentioned in the media, tidal energy is actually more predictable. Tides can be timed in perpetuity throughout the year, whereas predicting when the wind will blow and when the sun will shine is far harder. In a world-first, a data center in Scotland will set the bar for[…]. In Southern Africa, aging infrastructure and shortages of much-needed resources are stifling the electrical engineering sector.
Powering countries south of the equator is a topic much in focus in the last few years. Both Zimbabwe and South Africa have been seeing a need to balance power loads and load shed at their public energy utilities. However, Zimbabwean companies are starting[…]. Facebook Twitter YouTube. Download Chapter List Table of Contents. Here is a typical definition. Here are some of the other names in use: Trip and alarm system Emergency shutdown system Safety shutdown system Safety interlock system Safety related system more general term for any system that maintains a safe state for EUC Fig1.
Figure 1. This book is about instrumentation and control systems to support: The safety of people in their workplaces Protecting the environment against damage from industrial accidents Protecting businesses against serious losses from damage to plant and machinery Creating awareness of the good practices available for the delivery of effective Safety instrumented systems. Providing basic training in well established techniques for engineering of safety systems Assisting engineers and technicians to support and participate in the safety systems activities at their work with a good background knowledge of the subject Being aware of what can go wrong and how to avoid it 1.
Safety systems are reaching wider fields of application Safety requires a multidiscipline approach New standards and new practices have emerged There have been some steadily developing trends in the last 10 years which have moved the subject of so-called functional safety from a specialized domain of a few engineers into the broader engineering and manufacturing fields. Identification of hazards and specification of the protection requirements Technology choices Engineering of the protection systems Operations and maintenance including control of changes This subject is well supplied with specialized terms and abbreviations, which can be daunting and confusing.
What is a hazard and what is a risk? Tolerable risk: We would rather not have the risk but it is tolerable in view of the benefits obtained by accepting it. The cost in inconvenience or in money is balanced against the scale of risk and a compromise is accepted. This would apply to traveling in a car, we accept that accidents happen but we do our best to minimize our chances of disaster. Does it apply to Bungee jumping? Unacceptable risk: The risk level is so high that we are not prepared to tolerate it. The losses far outweigh any possible benefits in the situation.
For example: Suppose a plant has an average of 5 persons on site at all times and suppose that 1 explosion event is likely to cause 1 person to be killed.
Whenever there is a clear and obvious need for safety to be engineered into any activity it should be done properly and in a systematic manner 1.