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  1. gradfire

    STACOM Fire

    Thanks Krisys for reply. I have been through files on google for IGBT based transformer.it does pose risk of explosion, not a major one though, but certainly can damage the unit and collateral damage could be fire situation. I am struggling to find a literature or case studies which can help to...
  2. gradfire

    STACOM Fire

    Guys, what is the level of fire risk in IGBT based STATCOM facility. Does converter module pose fire risk ? Some quick inputs would be brilliant .
  3. gradfire

    capacitor bank

    Thanks a lot Krisys.Would there be any fire risks involve in STATCOM as well. My research indicates low fire risks. Cheers.
  4. gradfire

    capacitor bank

    Dear All, As a fire risk assessor, i wiuld like to seek some expert inputs from Electrical engineers on these forum regarding capacitor bank and associated fire hazards. Simply if anyone could put following in easily understandable perspective. -What could go wrong in capacitor which in turn...
  5. gradfire

    water demand assessment for high rise hotel building

    Currently,I am designing a high rise hotel building which is going to be protected by sprinkler system throughout. Proposed pump size is 1000 GPM to serve standpipe and sprinkler. Now, It seems building would required to be protected with private hydrants. In this would we have to add 1000 GPM...
  6. gradfire

    Ways to determine the requirement of Standpipe system

    Thanks a lot for all replies. Below is what NFPA technical question responder had to say about this: Dear PRAKASH AHIR, 1) Section 55.4 of NFPA 5000 tells you all the conditions that require standpipes. You are correct in your interpretation that buildings less than 4 stories do not...
  7. gradfire

    Ways to determine the requirement of Standpipe system

    Core question is that - In what conditions ( mainly for what floor size) I should recommend to provide horizontal standpipe. In UAE code, up 900 square meter area of single largest floor or largest compartment only Dry riser system is required. Above 900 Wet riser is required. IS THERE ANYTHING...
  8. gradfire

    Ways to determine the requirement of Standpipe system

    Yeah but NFPA 101 and NFPA 5000 should have something to guide us.
  9. gradfire

    Ways to determine the requirement of Standpipe system

    Greetings to all. Here in UAE, I am currently working on a project where i have got number of detached buildings for different usages such as assembly, business, storage etc with some of them are only one or two storey and having floor areas ranging from 500-800 square meter. Regarding...
  10. gradfire

    Spacing between fire hydrants

    Many Thanks for the reply, mate. cheers
  11. gradfire

    Spacing between fire hydrants

    Dear All, Is there anywhere in NFPA codes mention of spacing between two respective fire hydrants for different occupancies. I have not been able to find one, so far. If someone can help please. Cheers Mates.
  12. gradfire

    NFPA 101 query

    Thanks for the reply mates. I am still on with my research. will comment soon. cheers lads
  13. gradfire

    NFPA 101 query

    Could anyone please tell me difference between smoke barrier and smoke partition as per what they have defined in NFPA ? for me both are same thing since both said to be terminating into false floor or ceiling. still I need experts input here. Many Thanks and regards, Prakash
  14. gradfire

    Enclosed staircase in steel billet casting plant area

    Hello Everyone, As part of code compliance, Is it really required to enclose staircases to be used for accessing control room, walking platform for furnace area, rooms like electrical room etc. alternating tread devices could be used which is applicable to machinery area not having occupant...
  15. gradfire

    fire rating of the roof assembly

    Thank you sir for your response. here code allows non fire rated roof assembly for occupancies other than industrial and storage occupancy with ordinary or high hazard contents. here occupancy has got ordinary hazard classification so mentioned clause can not be used. Best Regards.
  16. gradfire

    fire rating of the roof assembly

    Hello everyone, could any one please help me with below query. Query Is to give fire rating for roof of steel billet casting plant which falls under TYPE II(222) considering large shed area. Here required fire resistance is 1 hour. And height of the roof is 25 meter. Plant has got exterior...
  17. gradfire

    Fire protection systems in steel billet casting industry using induction furnace

    Hello to Everyone here, Could anyone please provide me with reference links, fire codes or E-Book using which i can prepare risk analysis/fire protection measures for steel billet casting plant. Here they are going to use scrap steel metal. melting in electrical induction furnace and than...

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