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Associate

Join Date: Dec 2013
Posts: 25

Generator Room Fire Fighting System

12/28/2013 4:35 AM

Please explain the system of fire fighting that is to be used in generators room.

Also please clarify whether the same is to be automatic or manual?

CO2 or FM200?

Thanks

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#1

Re: Senior Electrical Engineer , Consultant

12/28/2013 7:47 AM

holy smokes!

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#2

Re: Senior Electrical Engineer , Consultant

12/28/2013 7:50 AM

you scare me, are you qualified to be even near this room? if you flood a room with CO2 and anyone is in that room you'll kill them regardless if the triggering mechanism is auto or manual. go with Halon!

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Associate

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#3
In reply to #2

Re: Senior Electrical Engineer , Consultant

12/28/2013 8:06 AM

Thank you very much.

You kindly have enhanced my idea as I had a difference with some people

Best Regards

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#4

Re: Senior Electrical Engineer , Consultant

12/28/2013 9:31 AM

I would be forever grateful if you told us how you came about calling yourself a "Senior Electrical Engineer, Consultant".

What qualifications are required before one calls themselves a "Senior Electrical Engineer, Consultant" in the country where that title is recognized, if any?

What would happen if you had a manual fire suppression system and nobody was there when a fire started? The type of extinguishing agent would be moot, wouldn't it?

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#5

Re: Senior Electrical Engineer, Consultant

12/28/2013 12:19 PM

Seems as tho we have another student stumped with a home work assignment, hoping to be come a "Senior Electrical Engineer, Consultant"

CO2 or FM200? How about trying, BS-101.LOL? The chemical make up should fit the bill. As far as automatic or manual system? Go with automatic, you already have it place.

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#6

Re: Senior Electrical Engineer, Consultant

12/28/2013 11:25 PM

Shall we start at the beginning??

Do you know what the fire triangle is?

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Participant

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#7

Re: Senior Electrical Engineer, Consultant

12/28/2013 11:58 PM

sprinkler - automatic as always. you may want to add novec 1230 to your choices.

regards

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#8

Re: Senior Electrical Engineer, Consultant

12/29/2013 12:28 AM

Sprinklers may be inadvisable around electrical equipment.
CO2 can work, but needs a prior alarm to alert people to leave.
Halon® or the like can work, but may be a problem if ingested into combustion equipment. See details for whatever specific chemical.
N2, like CO2, needs a prior alarm, even more critically.
Steam may even be a possibility in some cases, again with prior alarm.

It probably should be automatic, plus manually operable.

Local regulations will apply. Fire extinguisher suppliers can usually give good advice.

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#10
In reply to #8

Re: Senior Electrical Engineer, Consultant

12/29/2013 12:41 AM

Thank you very much.The most useful reply so far received.

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#9

Re: Senior Electrical Engineer, Consultant

12/29/2013 12:34 AM

I see this kind of questions asked all the time, somebody needs help with a requirement which has code requirements to follow and asks an engineering forum for answers.

What comes to mind when I see this is the following and I'm not alone on this:

  • A student is working on an assignment and is looking for easy answers, little or no studying.
  • A small time employee or contractor exploited by investors who are keen enough to know that the applicant or bidder will lie to get the job or contract. If anything goes wrong (such as lead found in toys) the one who lied about their qualifications will take the blame and another sucker will be found.
  • A supervisor who doesn't have enough skilled and qualified people who can be or is willing to give trust.
  • An employee who is not trusting that a fellow co worker or boss will fill in or capable of filling in gaps in knowledge without blame.
  • You are looking to apply for this kind of job and you want to convince the hiring person that you know what you are doing but lack essential skils and/or ability.

Be aware that here in the US, Engineers have had to face prison time for fraudulent practices and in China there have been executions when top leaders have to get involved. You may be in a region where there will be enough cover up to protect you but be aware that safety is not guaranteed to you or those affected by your choices in life.

I sure hope I'm wrong.....

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#11
In reply to #9

Re: Senior Electrical Engineer, Consultant

12/29/2013 8:01 AM

plenty of student questions, yes. but sadly most of the time it's an under qualified person looking for a forum to do their heavy lifting........they simply don't know the answer and want a freebie rather than taking the time to educate themselves or see someone else get paid for work they can pick up. when it comes to code requirements they are NOT universal. most of the members here either know USA or UK code. even a correct answer that applies to the US market might not fit code in a different country.usually the person asking the question just wants the answer thats the fastest and cheapest, not necessarily the correct one

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Active Contributor

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#12

Re: Senior Electrical Engineer, Consultant

12/29/2013 8:26 AM

First thing with fire fighting is to remove the source of flammable material. That means an automatic cut-off valve for the fuel supply, the valve being outside the containment area and an assessment being made of what happens when the Generator Stops.

If there are multiple generators they should be separately housed then each needs to be fire detected and cut-off arrangements to be individual to each.

Remote installations with no alternate power supply needs careful consideration of emergency power requirements, sufficient batteries (with auto switch over) to allow safe evacuation as a bare minimum, preferably sufficient to cover the mobilisation and arrival of fire fighting services which carry their own lighting and generators.

Several naval Personnel have been killed by CO2 systems, this is no longer used because of the risks involved.

Do a risk assessment first. All the information is available, you just need to ask the right questions.

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#13
In reply to #12

Re: Senior Electrical Engineer, Consultant

12/29/2013 9:06 AM

Thank you very much.

Very informative reply.

Best Regards

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#14

Re: Senior Electrical Engineer, Consultant

12/29/2013 1:47 PM

for generator rooms ,foam suppression system is mostly used . this because foam system is more suitable for fuel fires which is normally exist in generator rooms.

for electrical control rooms, FM 200 is more suitable.

both systems can be controlled and activated either automatic or manually

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#15
In reply to #14

Re: Senior Electrical Engineer, Consultant

12/29/2013 11:28 PM

Thank you very much.

Very valuable advice.

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Guru

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#16
In reply to #15

Re: Senior Electrical Engineer, Consultant

12/30/2013 9:10 PM

One breath of CO² will knock you out and then you suffocate. CO² clouds obscure vision so with whatever air is in your lungs and bloodsteam you have enough time to drop to the floor and follow the paint line to the exit or die. That's why Halon replaced CO².

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