Saturday, 31 December 2016

Possible Sources of Ignition and Potential fuel hazards

Possible Sources of Ignition are:-
  • Defective electrical fittings and defective or misuse of electrical apparatus - light bulbs and fluorescent tubes too close to combustible materials, misuse or defective electrical extension leads and adapters, faulty or damaged wiring.
  • Matches, Lighters, Candles and Smoking materials. 
  • Flame or sparks from a work process such as welding, cutting, grinding or the use of a hot air gun. 
  • Sources of frictional heat.
  • Electrostatic discharges. 
  • Ovens, kilns, open hearths, furnaces or incinerators. 
  • Boilers, engines and other oil burning equipment.
  • Portable heaters.
  • Cooking equipment, including deep fat fryers. 
  • The threat of arson must not be overlooked and the malicious firing of combustible materials. 

The above list is by no means exhaustive and is provided merely as a guide.

Potential fuel hazards:

  • Any combustibles - These can be divided into two main groups; combustible fuels such as paper, wood, cardboard, etc.; and highly combustible fuels such as thinners, solvents, polyurethane foam, etc. 
  • Any unsafe procedures or acts - Persons undertaking unsafe acts such as smoking next to combustible materials.
  • Any unsafe conditions - These are hazards that may assist a fire to spread in your workplace, e.g. if there are large areas of hardboard or polystyrene tiles etc., or open stairs that can cause a fire to spread quickly, trapping people and involving the whole building. 
  • One hazard that is often overlooked is bad housekeeping and is the easiest to correct. It is responsible for many small fires either starting or certainly spreading and involving far more of the premises than was necessary. 
An ideal method of identifying and recording these hazards, is by means of the scaled single line plan. Checklists maybe also be useful.

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Wednesday, 28 December 2016

Fire Prevention and Controls

Control Measures to Minimise the Risk of Fire in a Workplace:
  • Elimination of, or reduction in, the use and storage of flammable and 
  • Combustible materials 
  • Control of ignition sources, fuel and sources of oxygen 
  • Systems of work 
  • Good housekeeping 

Fire Detection, Fire Warning and Fire Fighting Equipment:
  • Portable Fire Fighting Equipment: siting, maintenance and training requirements
  • Extinguishing Media: water, foam, dry powder, vaporising liquids, gaseous 
  • Means of Escape: doors, emergency lighting, exit and directional signs, assembly points 
  • Emergency Evacuation Procedures: role of fire marshals, fire drills, roll call, provisions for vulnerable people

Saturday, 24 December 2016

Common Fire Hazards in the Workplace

Fire is a chemical reaction known as combustion which occurs when fuel and oxygen are brought together with sufficient heat to cause ignition

Oxygen: Approximately 16% oxygen is required to support combustion. Normal air contains 21% Oxygen - more than enough and it is readily available. Some fuels contain sufficient oxygen with their makeup to promote combustion. 


Heat Sources: To reach ignition temperature: Open flame, hot surface, sparks and arcs, friction, chemical reaction, electrical energy, compression of gases.
  • WOOD 
  • PAPER 
  • PLASTIC 
  • POLYSTYRENE 
  • PETROL 
  • PAINT 
  • ACETYLENE 
  • BUTANE 
  • MAGNESIUM 
  • COOKING OILS ANDFATS 
  • COOKING OILS 
  • PROPANE 
  • METHANE 
  • TITANIUM 
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Tuesday, 20 December 2016

Types of Cranes

There are many types of crane and a detailed classification is given in ISO 4306. However, the vast majority of cranes used in industry can be classed as:
  • Lorry Loaders, (HIABs), which are suitable for delivery purposes and routine lifting operations associated uniquely with the vehicle on which they are fitted; 

  • Truck Mounted Cranes, which are suitable for short duration operations where mobility around site is important;
  • Crawler Cranes, which are suitable for longer duration operations and 'pick and carry duties' and for use on some types of terrain where a wheel mounted crane would not be appropriate; 
  • Tower Cranes are suitable for semi-permanent installation for covering large areas whilst taking up relatively little room at ground level.

Selection of Cranes

While economic factors may influence the choice of a crane, it is essential that the crane selected is capable of lifting ALL loads that it would be expected to handle, within its capacity and stability limits. Manufacturers supply duty charts, which show the SWLs for specific duties. 

These are a good guide but are often compromised by many factors such as the design of the structure to be constructed, the characteristics of the individual loads to be lifted and site and environmental constraints.

Ideally a procedure for the procurement of lifting appliances and equipment should be outlined detailing how it is to be done and who is authorised to do it. The Lifting Equipment Engineers Association or most lifting equipment hire centres can provide advice on the selection, suitability, inspection and testing of lifting equipment and gear.

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Saturday, 17 December 2016

MOBILE ELEVATED WORKING PLATFORMS (MEWPS)

MEWPs divide into two categories;
  • Boom-type Mobile Elevating Work Platforms (cherry pickers), and
  • Scissor lifts
The most common causes of death with MEWPs are falls from height and the second most common cause of serious injuries at work. This guidance is aimed at those who use or control the operations of boom type MEWPs, used across a range of industries including construction. 


The most common accident causes were:

  • Unsuitable ground conditions;
  • Critical parts of the MEWP failing or malfunctioning; or 
  • The MEWP being struck by another vehicle.
Consequently it is critical that these issues are eliminated or properly controlled.

Mobile elevating work platforms can provide excellent safe access to high level work. When using a MEWP make sure that:

  • Whoever is operating it is fully trained and competent; 
  • The work platform is provided with guard rails and toe boards or other suitable barriers; 
  • It is used on firm and level ground. The ground may have to be prepared in advance; 
  • Its tyres are properly inflated; 
  • Any outriggers are extended and chocked as necessary before raising the platform; and 
  • Everyone knows what to do if the machine fails with the platform in the raised position.
Do not:
  • Operate MEWPs close to overhead cables or other dangerous machinery;
  • Allow a knuckle, or elbow, of the arm to protrude into a traffic route when working near vehicles; 
  • Move the equipment with the platform in the raised position unless the equipment is designed to allow this to be done safely (check the manufacturer's instructions). 

Some MEWPs are described as suitable for 'rough terrain'. This usually means that they are safe to use on some uneven or undulating ground - but check their limitations in the manufacturer's handbook before taking them onto unprepared or sloping ground.

Wearing a harness with a fall restraint lanyard attached to the platform can provide extra protection against falls, especially while the platform is in motion.

The selection and use of appropriate personal fall protection equipment used as part of a suitable personal fall protection system. A personal fall protection system is an assembly of individual components. for example, a full body harness and lanyard with or without a shock absorber pack. A variety of equipment is available to prevent a person falling (work restraint) or to save them once they have fallen (fall arrest). 



Fall protection should not be relied upon as the only means of control because if the MEWP is pushed over or falls over being attached to it by a fall protection system is unlikely to prevent you from being injured or killed. For this reason, advice on controlling the risk by ensuring safe site, safe plant and safe operator are an essential part of this guidance.

In the case of scissor lifts fall protection is not normally required, unless a person needs to lean over the guardrail. In this instance, the sections of the guidance that relate to a safe plant, safe site and safe operator is relevant to preventing falls from scissors lifts due to overturning incidents.

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Tuesday, 13 December 2016

CONVEYORS - TRANSPORT SAFETY

These are sometimes used to transport materials e.g. minerals, metals, slates and tiles from one place to another, for example from the ground level to the roof of the structure.

Hazards
  • Nips or traps between moving parts
  • Traps between moving and fixed part
  • Traps and nips created by the drive mechanism
  • Sharp edges of guard rails
  • Entanglement
  • Electricity
  • Noise



Precautions

It is important to ensure the safe use of conveyor belts, and we will discuss the precise type of machine guarding required for each different type of conveyor belt after we have examined the general points to be considered to ensure the safe use of conveyor belts

Provision of arrangements for lubrication whilst allowing guards to remain in position e.g. through suitably positioned small openings for maintenance access which do not permit access to the danger zone. 

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Wednesday, 7 December 2016

Safety of Site personnel

On sites operating fork lifts, all personnel must be fully instructed in the safe systems of work laid down for their protection, and must observe them at all times. Some of the points which should be covered by safe systems of work are:

Everyone not directly involved in fork lift operations should keep well clear of the machine. The carrying of passengers on fork lifts should be forbidden.


Persons acting as banksmen, or guiding the driver in removing his forks from the pallet, should:
  • keep a safe distance from the machine and its load
  • Never stand under the elevated load of a fork lift
  • Never stand between the load and any exposed floor edge, or between the load and a fixed object
  • Wear conspicuous clothing, reflective jackets should be worn during poor visibility 



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Friday, 2 December 2016

Fuel and Fuelling - Transport Safety

FLT can fuelled by, diesel, gas, battery.

Depending upon the fuel type, the hazards and precautions vary, as follows;

                Fuel
Hazards
    Precautions
Diesel
Dermatitis, carbon monoxide poisoning fire and explosion
Training / barrier creams / gloves selection of FLT suitable for Task
Gas
Gas explosion, manual handling of cylinders
Training / lifting equipment / no smoking / carbon monoxide poisoning
Battery
Electrical explosion during charging, acid burns hydrogen build up, electrocution
Training / PPE / No smoking / charge timers, use of RCD's


Hazards

There are numerous hazards associated with the use of FLT, and they may be minimised by the use of competent staff, sound equipment, and good design of the workplace. Below are the main categories of hazard, and their causes.


                      Hazard
                           Causes
Contact with vehicles, fixed plant, racks
poor layout/operation
Collision with people and other vehicles
lack of room, poor operation, poor layout
Overturning of vehicle
operator error
Load falling
broken pallets, poor stacking, unstable loads
Mechanical failure
poor maintenance, exceeding SWL
Operator error
poor training and/or supervision
Refuelling
poor system, poor supervision


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Wednesday, 30 November 2016

Flammable and Combustible Materials

Flammable and Combustible Materials

Ignitable liquids generate vapors that burn. Vapors may travel significant distances before reaching a heat source or build up in an enclosed space and cause an explosion. Minimizing the amount of fuel in your areas and properly storing materials you have, are two important ways of preventing fires.



Ignitable liquids are designated as flammable or combustible, depending on flash point and boiling point. Flammable and combustible materials are further designated as Class I or Class II. This is important, as different storage rules apply to each class.

All flammable and combustible liquids must be stored in approved, sealed containers. Approvedcontainers include the original (factory) container or designated safety can.


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Saturday, 26 November 2016

Fire and Safety Engineering Course

Fire and Safety Engineering Course as a career option is fast catching up with the students in India. Whereas in abroad, Safety is an integral part of most of university programs.


Fire Engineering and Safety Management is getting its underlying foundations quickly as a profession option in India. It is just in nowadays that a large portion of the general population of our nation are getting to know it, though in abroad fire eng. what's more, wellbeing administration is a vital piece of a large portion of college projects.

Job Prospects

  • Fire Officer/Fire Protection Technician/Safety Supervisor,
  • HSE Engineer/ HSE Advisor,
  • Safety Officer / Safety Manager,
  • HSE / EHS Officer/ Manager
  • Fire Men / Officer Safety Steward
  • Safety Assistant / Environmental Engineer

Gulf is the biggest fire prone area in the world, because it has the largest storage of oil. Undoubtedly the highest budget of fire prevention and fire protection spent in the world is in the Gulf. They prevent fire by increasing the safety awareness of the people. That translates into thousands of job openings in the field of Safety as Safety Engineers, officers & Supervisors.

Eligibility Criteria:
 +2 Completion / Diploma

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Wednesday, 23 November 2016

International Diploma in OSH - GRAD IOSH

Gain recognition for health and safety expertise worldwide with BSC IDipOSH. This diploma is suitable for delegates who wish to set their long term career in Health and Safety. The course covers risk management, health and safety culture and Occupational health.

BSC IDIPOSH is recognised by IOSH, on successful completion of BSC IDipOSH, delegates fulfil the requirement to become a Graduate Member of IOSH (Grad IOSH), the first step to become a Chartered Health and Safety Practitioner as a Chartered Member of IOSH (CMIOSH). 



Delegates with level 6 Diploma may also apply for full membership of (International Institute of Risk and Safety Management - IIRSM).

The syllabus comprises of Three Core units:
  • Unit 1: Principles of health and safety Management.
  • Unit 2: Safeguarding People's Health in the Workplace.
  • Unit 3: Promoting a Positive Health and Safety Culture in the Workplace.
Course Modules
  • Unit 1 - Element A: Fundamentals of Health and Safety Management
  • Unit 1 - Element B: Applied Health and Safety Management
  • Unit 2 - Element A: Occupational Health
  • Unit 2 - Element B: Risks to Health at Work
  • Unit 3 - Element A: Developing a Positive Health and Safety Culture
  • Unit 3 - Element B: Developing the Business Case for Health and Safety
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Saturday, 19 November 2016

NEBOSH Examination Question Words

The following words are commonly used in NEBOSH examination questions. Make sure you understand what they mean.


QUESTION WORD

REQUIREMENT
Define
Provide a generally recognized or accepted definition.
Describe
Give a word picture.
Explain
Give a clear account, or reasons for.
Give
Provide without explanation (used normally with the instruction to ‘give an example [or examples] of…’
Identify
Select and name.
List
Provide without explanation.
Outline
Give the most important features of (less depth than either ‘explain’ or ‘describe’, but more depth than ‘list’).
Sketch
Provide a simple line drawing using labels to identify specific features.
State
A less demanding form of ‘define’, or where there is no generally recognized definition.

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Wednesday, 16 November 2016

IOSH MS Course in Chennai - POSHE

Institution of Occupational Health and Safety is a premier organisation for health and safety membership in the world and the only Chartered body for health and safety professionals with more than 45,000 members in 100 countries.

IOSH Managing Safely is designed for managers and supervisors from any domain/organization. It is specifically designed for the managers to accelerate on the ground actions they are held responsible to handle health and safety within the team. The delegates can think about what they are learning - build confidence and energy level within him and put it into practice when they are back to their workplace.




What does the course cover?

IOSH Managing safely covers the health and safety management system basics, the responsibilities of a health and safety manager and common workplace hazards and a risk assessment project based on your theory/board game/workplace.

Managing Safely covers:
Module 1: Introducing Managing Safely
Module 2: Assessing Risks
Module 3: Controlling Risks
Module 4: Understanding your responsibilities
Module 5: Identifying Hazards
Module 6: Investigating Accidents and Incidents
Module 7: Measuring Performance
Module 8: Protecting our Environment


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Monday, 7 November 2016

Fire Safety Tips - Workplace


  • Do not utilize electrical gear that is in poor condition or that has a harmed line. 
  • Do not over-burden circuits or electrical lines, read makers determinations. 
  • Utilize affirmed control bars rather than circuit splitters. 
  • Keep all warmth delivering machines far from the divider and far from anything that may blaze.  
  • Leave a lot of space for air to circle around gear that typically emits warm. 
  • Guarantee little apparatuses, for example, warmers, fans and so forth are closed off before leaving the building. 
  • Ensure all apparatuses, for example, espresso producers and hot plates, are killed when not being used. 
  • Toasters and microwave broilers ought to be situated in kitchen regions as it were. 
  • Maintain a strategic distance from profound fat broiling, or utilize an indoor regulator controlled apparatus and never abandon it unattended. 
  • Keep every single flammable material, for example, paper towels and fabrics, at a protected separation from warmth sources. 
  • Keep stockpiling zones, stairway arrivals and other out-of-way areas free of waste paper, exhaust containers, filthy clothes and other material that could fuel a fire. 
  • Guarantee office entryways and subordinate office entryways, for instance, document room and lobby entryways, are shut while leaving the building. 
  • Guarantee warm registers are clear of burnable things, for example, paper at all times.

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Thursday, 3 November 2016

Common Causes of Fire in Businesses

Open Flames
  • negligence in conducting hot work, such as welding, cutting or grinding; 
  • improper use of candles;
  • improper handling of flammable or combustible liquids or flammable gases in near-to-potential ignition sources; and
  • matches and cigarettes that are improperly disposed of, or left unattended near combustibles.
Electrical
  • damaged electrical conductors, plug wires or extension cords;
  • use of faulty, modified or unapproved electrical equipment;
  • insufficient space or clearance between electrical heating equipment and combustibles;
  • short or overloaded circuits;
  • loose electrical connections; and lighting.
Cooking
  • deep frying in pots or pans on stove tops;
  • unattended cooking appliances; and
  • combustibles located dangerously close to cooking equipment.
Spontaneous Ignition and the Ignition of Waste Materials
  • improper disposal of materials susceptible to spontaneous combustion, such as oily rags from wood finishing or polishing;
  • accumulation of organic materials, such as green hay, grain or woodchips; and
  • accumulation of waste combustible materials near potential sources of ignition.

Monday, 31 October 2016

Gas Safety

Gas through the mains is highly dangerous and explosive if not used correctly.
  • Only competent persons can touch either gas installations or gas-fuelled equipment.
  • They must be Corgi Registered to carry out the tasks required (Domestic or Commercial).
Control measures include:
  • Having a gas leak (or suspected gas leak) procedure
  • Equipment must be regularly serviced
  • All defects to equipment or installations must be reported - may need to follow gas leak procedures
  • The gas shut off valve (which switches off the main gas supply) must be in an accessible position
  • The room or area in which the gas appliance is situated must have good ventilation
  • The equipment must be sited/used in a well-lit area
  • Staff must receive information, instruction and training
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Friday, 28 October 2016

Electrical Safety

Approximately 30 people at work die every year as a result of electrocution. The majority of these deaths are caused by contact with overhead or underground cables.

The main hazards from electricity:

Electric shock - the effect on the body and central nervous system produced by the passage of the electric current. Common cause of death is ventricular fibrillation (spasm of the heart muscle). The vascular system ceases to function and the victim dies of suffocation. It’s the current that kills.

Burns - a current passing through a conductor (the person) produces heat. Burns can be caused by contact with hot conductors, e.g. metal, or by the passage of the electric current through the body.



Explosions - electrical short-circuiting or sparking from the electrical contacts in switches or other equipment. There needs to be combustible material, e.g. flammable vapours, dusts or gas.

Eye injuries - exposure to ultraviolet rays from accidental arcing in a process such as welding

Accumulators and batteries - hydrogen gas may be produced as a by-product of battery charging. This results in a potentially explosive atmosphere.

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Monday, 24 October 2016

Electricity - Fire Safety

Safe Systems of Work

Where work is to be undertaken on electrical apparatus or part of a circuit, a formally operated, safe system of work is essential. This commonly takes the form of a Permit to Work system, which ensures the following procedures and precautions:



  • Switching off and locking out the electricity supply, i.e. isolation;
  • Checking by the use of an appropriate voltage detection instrument that the circuit, that part of same to be worked on, is dead before work commences;
  • High levels of supervision and control to ensure that work is undertaken correctly and that Permit to Work procedures are followed;
  • Paying particular attention to the precautions where electrical installation or maintenance work is to be undertaken in wet surroundings, in external areas and in confined spaces;
  • Examining appliances by a competent person on a regular basis, including the leads, and any extension leads used that may have become damaged;
  • Implementing physical precautions, such as the erection of barriers and signs restricting access to the area; and
  • Formal cancellation of the Permit to Work once the work is completed satisfactorily and return to service of the appliance, plant or system in question.


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Wednesday, 19 October 2016

Extinguish Fire - Fire Safety

How do you extinguish fires?

This involves the elimination of one side of the fire triangle.
Starvation - remove the fuel, e.g. turn off the gas supply, drag burning pallets away from the fire.

Smothering - remove the oxygen supply or adding inert gas (without oxygen) to the burning mixture, e.g. fire blanket onto a pan, or using a foam extinguisher. Main risk is that the fire may reignite when foam (wet chemical used for fat fryers) or blanket is removed as heat will still be present.

Carbon dioxide is commonly used in extinguishers and nitrogen is used in the petrochemical industry. Smothering is only effective when the source of oxygen is air. It is ineffective when the substance that is burning contains oxygen.

Cooling - commonest, cheapest and most effective method. For example,water sprayed onto a fire, will cause the temperature to be lowered. The steam produced acts as a blanket to smother reducing the potential for further ignition. Dry powder extinguishers rapidly absorb the heat and also smother.

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