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Recent content by gabriel2902

  1. gabriel2902

    loss in elevation

    thanks for answering I know how much pressure to reach nesecito each floor caul is the pressure on the 4th floor   cal pressure is on the 3rd floor pressure which is on the 2nd floor pressure which is on 1st floor example to the fourth floor need a pressure of = L * 0.433 + lost +...
  2. gabriel2902

    loss in elevation

    hello people.    first of all very interested in being on this forum and have read super bright people and that encouraged me to continue studying the nfpa 13, I do not speak much English but I'll try to ask my question. 1) elevation     If I have a 5 story building total area of 5 floor is...

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