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Dear Sudhir Sir, Sorry for late reply. I shall try to adopt the PUC checkups for our employees. Dear Raghu Sir, Thank you for the links. These are good and informative AITES
From India, Nasik
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We all pay lip service initially and then the whole episode is forgotten. I carry out fire evacuation and prevention training for the builders I am working for across India. Every time, it's a task getting all the tenant companies to participate as they have more important issues like business meetings, teleconferences, or training. It's high time our government stepped in to cancel all occupancy certificates of buildings without fire NOC.

Thanks, Dipil, for starting this thread.

From India, Bangalore
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Dear all,

A very good discussion on this topic.

We are talking about compliance. It's good and needed. Additionally, we need to address another topic that I heard about: a news story where hospital staff and doctors ran away from the hospital during an incident, showing no concern for the patients.

Now, why did this happen? Were the hospital staff adequately trained to act during emergencies and follow the emergency evacuation procedures? If they had been trained properly, they might have saved some lives, which could have made a difference.

We need to ensure that proper training is made mandatory for everyone so they can act during emergencies and save at least some lives.

Dear Mr. Sudhir,

I was really excited to see your inputs. Your compliance is motivating.

I also think about the idiot drivers who use high beam lights on small roads without the common sense to use low beams. At night, many two-wheelers and cyclists are blinded by this.

Your point gave me the idea of implementing the PUC check at our site as well. I will propose the same to my management.

From India, Delhi
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Dear All,

I have been observing the discussion from the beginning. Really very sad... incidence. As per the data available yet, the suspected root cause of this incident is "Flammable material stored in the basement of the building" and the reason for death is "The poisonous smoke was sucked by air conditioning ducts, spread into all rooms, and further the oxygen deficiency."

Let us continue this discussion to know the exact root cause which will help to suggest the appropriate preventive measures. Hence, I request all members to come forward with the details whenever available to them.

From India, Hyderabad
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dipil
730

Dear All Sharing one presentation received containing some more information on AMRI Fire... For information and implementation of the learnings...
From India
Attached Files (Download Requires Membership)
File Type: ppt AMRI_FIRE.ppt (1.61 MB, 151 views)

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dipil
730

Dear All,

In the 5th Slide of the attached presentation, it was mentioned as follows:

"AC damper did not function. If the AC damper had worked properly, death due to suffocation could have been avoided."

Can anyone validate this sentence? Whether this is correct or not?

From India
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Dear Dipil,

As you raised a good question I have bit experience in HVAC because one of my close friend has working as a HVAC Engg I was learned something while we was in iraq.

They mentioned in Presentation its wrong it’s not a damper its ‘’FIRE DAMPER’’. . .

See the below definition which I got from web hope it will solve your query.

DAMPER:

A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air handling equipment. A damper may be used to cut off central air conditioning (heating or cooling) to an unused room, or to regulate it for room-by-room temperature and climate control.

FIRE DAMPER:

Fire dampers are passive fire protection products used in heating, ventilation, and air conditioning (HVAC) ducts to prevent the spread of fire inside the ductwork through fire-resistance rated walls and floors. Fire/Smoke dampers Are similar to Fire Dampers in fire resistance rating, and also prevent the spread of smoke inside the ducts. When a rise in temperature occurs, the fire damper closes, usually activated by a thermal element which melts at temperatures higher than ambient but low enough to indicate the presence of a fire, allowing springs to close the damper blades. Fire dampers can also close following receipt of an electrical signal from a fire alarm system utilizing detectors remote from the damper, indicating the sensing of heat or smoke in the building occupied spaces or in the HVAC duct system.

Note: Do you remember Mr.Nadhan https://www.citehr.com/339848-car-c-...must-read.html. He is a HVAC Engg was participate on our most of threads specially HVAC related issues just now I wrote a mail to him regarding this hopefully he will add his inputs soon.

Keep on sharing. . .

From United States, Fpo
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Dear dipil, Forget to say thanks for your presentation. Dear KVS, Srinivasa Rao, Jude mayne, Thanks for your inputs on this thread. Keep on shring. . .
From United States, Fpo
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First, we have to understand that HVAC system is comprised of electrical, mechanical, and instrumentation components. If any one of them fails, it will not work properly.

Fire/smoke dampers are electromechanical systems that prevent fire from spreading inside the ducts. These systems include safety sensors such as temperature sensors and smoke detectors. If the air temperature rises above a certain level, the damper will close via the temperature sensor. If there is smoke detected in the ducting system, the damper will close through the smoke detector. Even in the case of a false alarm from the fire safety systems, the dampers will be closed.

Fire-rated sealants and cements are used in the construction of fire dampers to prevent fire around them.

There is a possibility of damper malfunction due to a lack of preventive maintenance.

It is evident that fire/smoke dampers play a crucial role in preventing the spread of fire/smoke through the AC ducting system. The HVAC system should be designed so that in the event of a fire emergency, the supply air from AHUs should be stopped, and the exhaust system should run continuously at full RPM to remove smoke from the buildings. The exhaust system should be powered by emergency sources. With this design, the chances of fire/smoke spreading through the AC ducting system are minimized.

In the presentation, it was mentioned that the fire safety system was inactive. This could be why the smoke/fire dampers did not work, possibly due to a lack of maintenance practices.

It is true that when fire/smoke dampers are operational and closed, the chances of fatalities due to suffocation are significantly reduced.

From China, Shanghai
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Dear Kanathan,

First of all, let me welcome you to the EHS Forum. Thank you for sharing your opinion, which will educate our members about the importance of maintaining Fire Protection Equipment at all times. According to your viewpoint, if the temperature or smoke sensor had been functioning properly, the number of casualties might have been reduced or even prevented.

Keep participating and share your feedback, ideas, and comments in all safety-related threads.

Thank you.

From India, Kumbakonam
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