In a fire due to weld sparks on top floor of a shrimp feed factory falling on the plastic bags kept below causes injuries to six employees and property damage worth Rs 10 crore. Three workers fainted due to smoke from the fire and another three were injured due to fall while climbing down. It is reported that fire extinguishers in the factory did not function at the time of the incident, indicating poor upkeep of safety systems.
Any hazardous work in a factory requires following safety permit systems which helps in hazard assessment and taking suitable safety measures for the work. Weld sparks can fly off about 15 m distance and hence the area within this should be free from combustibles. It is better to spray water in this area before hot work. If it is not possible to remove combustibles within this area, they should be covered with fire resistant cloth.
In this incident, sparks fell on the combustible material in the floor below. As the extent of damage is huge and fire extinguishing took about 5 hours, it indicates lack of supervision.
There should be a program to check fire extinguishers at regular intervals, say, once in a quarter. In extinguishers containing CO2 cartridge, the quality of these should be checked as it is likely that any defect renders fire extinguisher useless.
Regular training of all employees or identified employees and ensuring their availability atleast in minimum number in every shift also must be ensured.
Feb 26, 2012
Bath tub paint stripper is harmful
Methylene chloride (MC) is used to remove the paint of bath tub for renovation. It is reported that 13 deaths occurred while using this. The main hazards stated are from inhalation and skin exposure and it is a carcinogen.
http://www.osha.gov/SLTC/methylenechloride/
Permissible exposure is 25 ppm (TLV-TWA) for 8 hr and 125 ppm (TLV-STEL) for 15 minute period
It is anaesthetic and inhalation can cause mental confusion, light-headedness, nausea, vomiting, headache. Continued exposure may cause increased light-headedness, staggering, unconsciousness, and even death. High vapor concentrations may also cause irritation of the eyes and respiratory tract. Exposure to MC may make the symptoms of angina (chest pains) worse. Skin exposure to liquid MC may cause irritation. If liquid MC remains on the skin, it may cause skin burns. Splashes of the liquid into the eyes may cause irritation.
Long-term (chronic) exposure: Studies on rats, mice indicate MC causes cancer.
OSHA interprets results to mean that there is suggestive (but not absolute) evidence that MC is a human carcinogen.
Generally bathrooms are small and the ventilation in it will be poor. While cleaning, it is likely that the doors also will be closed and persons working inside will be exposed to vapors.
One has to wear suitable respiratory protection and skin protection and someone must keep watch on the person doing the cleaning job.
Many chemicals used for cleaning jobs at home cause skin burns or atleast itching and not much awareness is seen in this aspect. I saw some books for home safety. But, every chemical can/container for home use shall have hazards and safety precautions printed in readable font size so that users can take care of themselves.
http://www.osha.gov/SLTC/methylenechloride/
Permissible exposure is 25 ppm (TLV-TWA) for 8 hr and 125 ppm (TLV-STEL) for 15 minute period
It is anaesthetic and inhalation can cause mental confusion, light-headedness, nausea, vomiting, headache. Continued exposure may cause increased light-headedness, staggering, unconsciousness, and even death. High vapor concentrations may also cause irritation of the eyes and respiratory tract. Exposure to MC may make the symptoms of angina (chest pains) worse. Skin exposure to liquid MC may cause irritation. If liquid MC remains on the skin, it may cause skin burns. Splashes of the liquid into the eyes may cause irritation.
Long-term (chronic) exposure: Studies on rats, mice indicate MC causes cancer.
OSHA interprets results to mean that there is suggestive (but not absolute) evidence that MC is a human carcinogen.
Generally bathrooms are small and the ventilation in it will be poor. While cleaning, it is likely that the doors also will be closed and persons working inside will be exposed to vapors.
One has to wear suitable respiratory protection and skin protection and someone must keep watch on the person doing the cleaning job.
Many chemicals used for cleaning jobs at home cause skin burns or atleast itching and not much awareness is seen in this aspect. I saw some books for home safety. But, every chemical can/container for home use shall have hazards and safety precautions printed in readable font size so that users can take care of themselves.
Feb 21, 2012
Plan in advance to fill vacant posts
In any organization, manpower attrition is a continuous phenomenon. People retire and new persons fill in those posts. However, there will be a gap when we do not get persons as skilled as those who retired or moved out. It may be difficult to find who will be resigning, as generally, we do not get information in advance. However, we know who is going to retire as per the organization's service norms. If we fill the posts after the retirement, then there will be skill gap and plant operations will be at risk.
To avoid such issues and also to take care of attrition due to resignations/deaths, it is better to have a reserve strength (like bench in software companies) to make use of these persons any time as the need arises.
Therefore, it is always preferable to have posts, say 5 % of total organizations strength, particularly in technical field as reserve/bench. The cost of maintaining this reserve strength with needed skills though, may appear costly / avoidable to the finance managers, will prove to be advantageous when we are in neck deep trouble because of lost productivity, or regulatory issues arising from incidents resulting due to poor skills of freshly recruited persons employed in place of experience hands, etc.
Afterall, one can't compromise with safety.
Feb 16, 2012
Prison fire in Honduras
A prison fire in Honduras caused more than 300 deaths. Reports say that fire was initiated on Tuesday night by an inmate by burning the mattress. The jail is overcrowded at the time of the incident. Some died in the cells due to burns and or suffocation before they could be freed. More than 475 escaped. Delayed justice is shown as the reason for overcrowding of prisons in the country. It is stated that some inmates escaped by pushing roof panels.
Though the fire started by burning mattress, it is not clear how it could have spread without presence of combustibles in the entire prison in continuity. Else, fire could have been limited to the cell in which it was initiated. This shows lack of monitoring by jail staff or there could have been some help within. It is also not clear whether any fire detection and sprinkler system is available in all cells which is required as per NFPA for residential and commercial buildings.
Though the fire started by burning mattress, it is not clear how it could have spread without presence of combustibles in the entire prison in continuity. Else, fire could have been limited to the cell in which it was initiated. This shows lack of monitoring by jail staff or there could have been some help within. It is also not clear whether any fire detection and sprinkler system is available in all cells which is required as per NFPA for residential and commercial buildings.
Feb 15, 2012
Office safety
An article in smartplanet.com states that those working for long hours in offices are likely to have increased levels of polyfluorinated compounds (PFCs) in their blood. Though the sample size of 31 is small, if we look at it in a spirited manner, the study says that those in new buildings wherein use of furniture with PFC is more, have more PFC in their blood stream compared to others.
Hence, if the sample is size is more, the percentage of persons exposed to PFC may be high or low. Whatever the statistics say, even if a fraction is exposed and risks the health of the persons, then measures have to be taken to protect these people.
Apart from this, it is well known that carpets are a major source for germs that affect the health of the persons. Further, in closed buildings, where air is recirculated will also have an effect on the health of the persons. When we enter conference rooms that are not in regular use and where ventilation is switched only before use, we get foul smell. Added to these, the new finding of PFCs will add to workers woes in offices.
Hence, if the sample is size is more, the percentage of persons exposed to PFC may be high or low. Whatever the statistics say, even if a fraction is exposed and risks the health of the persons, then measures have to be taken to protect these people.
Apart from this, it is well known that carpets are a major source for germs that affect the health of the persons. Further, in closed buildings, where air is recirculated will also have an effect on the health of the persons. When we enter conference rooms that are not in regular use and where ventilation is switched only before use, we get foul smell. Added to these, the new finding of PFCs will add to workers woes in offices.
Feb 11, 2012
Product safety - recall of coffee makers
http://www.claimsjournal.com/news/national/2012/02/10/200823.htm
A coffee maker agency is recalling its equipment as there were reported incidents of splashing of coffee during brewing causing burns. I think, research departments of manufacturers should test thoroughly their products before releasing into the markets to adhere to the deadlines. Heavens will not fall if deadlines are skipped for genuine reasons. However, the initiative of recall is good on the part of the agency.
A coffee maker agency is recalling its equipment as there were reported incidents of splashing of coffee during brewing causing burns. I think, research departments of manufacturers should test thoroughly their products before releasing into the markets to adhere to the deadlines. Heavens will not fall if deadlines are skipped for genuine reasons. However, the initiative of recall is good on the part of the agency.
Some maths on environment damage costs in China
As per reports, in the year 2011, there were 542 environment related accidents out of which 60% are from road and process related accidents. It is estimated that the loss due to these accidents resulting in environment damage is about US$ 220 billion and this cost does not take into account of impact on public health and loss of productivity from farm land contamination. The number of accidents causing damage to environment is on rise.
I am not an economist and can't think much. But, it appears that countries while setting ambitious export targets are overusing the available limited natural resources and giving less importance to safety of employees and environment protection. When everybody tries to flood markets with their products, costs will come down, but this will also lead to wasting of resources and loading the environment.
One of the units to measure development in an area is that of per capita energy consumption. This unit neither takes into account of effective use of energy not actual need for the energy consumed.
Instead of craving for tags/labels of development, one should use available resources judiciously to provide necessary comfort for all.
Tech strives to raise awareness, minimize risks after series of laboratory explosions | Lubbock Online | Lubbock Avalanche-Journal
Tech strives to raise awareness, minimize risks after series of laboratory explosions | Lubbock Online | Lubbock Avalanche-Journal
http://www.diamondbackonline.com/news/chem-labs-now-stricter-to-prevent-accidents-1.2761539#.TzaJS8Xro2c
After three incidents in the university laboratory, several measures like forming a lab safety committee, regular meetings, forming guidelines to handle the chemicals safely, safety inspections, identification of hazards, identification incompatible chemicals and disposal, labeling of chemicals, location of chemicals at proper places, color coding, disposal of unused chemicals lying for a long time, enforcing use of full hand lab coat instead of apron while working in lab, having full shoe, emergency plan, linking safety awareness to career progress, etc were taken to avoid future accidents.
LINK
http://www.diamondbackonline.com/news/chem-labs-now-stricter-to-prevent-accidents-1.2761539#.TzaJS8Xro2c
After three incidents in the university laboratory, several measures like forming a lab safety committee, regular meetings, forming guidelines to handle the chemicals safely, safety inspections, identification of hazards, identification incompatible chemicals and disposal, labeling of chemicals, location of chemicals at proper places, color coding, disposal of unused chemicals lying for a long time, enforcing use of full hand lab coat instead of apron while working in lab, having full shoe, emergency plan, linking safety awareness to career progress, etc were taken to avoid future accidents.
LINK
Feb 9, 2012
Lab safety: Stringent safety measures in place to avoid life-threatening accidents
ISAT: Stringent safety measures in place to avoid life-threatening accidents - The Breeze: News
The above is an article about lab safety. Many do not think of following safety rules while working or doing experiments in a laboratory. But, we have to understand that those working in the laboratory do not have any practical knowledge and are unable to assess the magnitude of the danger which they will be exposed to. Many universities developed lab safety procedures. But many more do not consider safety in lab as an essential practice.
The above is an article about lab safety. Many do not think of following safety rules while working or doing experiments in a laboratory. But, we have to understand that those working in the laboratory do not have any practical knowledge and are unable to assess the magnitude of the danger which they will be exposed to. Many universities developed lab safety procedures. But many more do not consider safety in lab as an essential practice.
Feb 5, 2012
Job-related injuries and illnesses estimated to cost nation $250 billion per year
Job-related injuries and illnesses estimated to cost nation $250 billion per year
The cost is several times more than that of cancer, diabetes, strokes.
The cost is several times more than that of cancer, diabetes, strokes.
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