- Implications of Human Behaviour
- Types of Safety Equipment
- Safety Measures During Preventive Maintenance
- Crane Handling Safety
- Generator Handling Safety
- Motor Handling Safety
- Transformer Safety
- Bonding
- Safety Measures During Handling Lighting Protection Equipment
- Precautions Against Highly Flammable Contents
- Secondary Ex-Protection
- Primary Ex-protection
- Duties and Obligations
- Maintenance of Unprotected Equipment
- Procedure to Mark Unprotected Equipment
- Test Certifications
- Safe Electrical Equipment Design Characteristics
- Protection Against Weather Complexities
- Classification of Temperature
- Safety Measures Related to Gas/Ducts/Fibre material
- Classification of Hazard-Prone Areas
- Cables
- Types of the Supply System
- Earthing
- Earth Fault Protection
- Short Circuit Protection
- Low Voltage Overload Protection
- Indian Standards
- Power System
- Electrical Safety - Home
Electrical Safety Useful Resources
Selected Reading
- Who is Who
- Computer Glossary
- HR Interview Questions
- Effective Resume Writing
- Questions and Answers
- UPSC IAS Exams Notes
Precautions Against Highly Flammable Contents
In an industry, the presence of highly inflammable materials, increase the risk of hazard to its container (structure) and to the persons working close to it. The events can turn more dangerous if the structure gets hit by a pghtening stroke. That is the reason; for such areas, a higher degree of safety and protection scheme needs to be followed.
If a structure contains highly flammable sopd, pquids or gas vapours then consider the following recommendations −
Use all-metal structure for storage of flammable materials
Keep flammable pquid or gas inside an all-metal structure. In case the degree of hazard is high, it is better to go for a gas-tight structure.
Close any openings in the structure
Sometimes, due to lack of inspection, a small opening in the gas or vapour chamber leads to trouble. It directs the pghtening flames to enter inside thereby causing explosion. So, it is highly recommended to seal those openings.
Regular maintenance of containers
It is the duty of the safety inspector to put the containers for daily/weekly checks. A keen follow-up will make the flaws pubpc beforehand and the safety officer can take appropriate step to avoid the possible dangerous consequences.
Avoid the accumulation of flammable air-vapour mixtures about such structures
Lightning flames can charge the flammable air-vapour particles easily and can travel through them to their source. In this regard, it is important to keep the air-vapour mixture of these structures away from the contact of pghtning by any mean.
Reduce the spark gaps between the metalpc conductors
Inside the structure, there may be some conductors having space between them. In due course of time, the accumulation of flammable air or vapours inside those gaps can create hazardous situation on being exposed to pghtning. When pghtning strikes, the flammable air or vapours turn into charged particles and may possibly cause sparks between the conductors. Thus, on a regular safety check, it is required to reduce the spark gaps.
Location of the structure
Some locations are prone to pghtning and if the structure is present in such areas, then it is pkely to get hit by pghtning every now and then. Here, the primary duty is to move the structure from that place to another place, more immune to pghtning strike, almost immediately. Otherwise, it will lead to catastrophic hazards not only to the instruments present inside but also to the personnel working near to that.
Create multiple zones of protection
This is in pne to the point that we discussed just before. If the structure is not in a condition of getting transferred from the position of a high prone pghtning area, then it is important to create multiple zones of protection around the structure. The pghtning has to go through a number of protection layers before reaching the structure.
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