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  1. genewarun

    Deluge system distances to transformers - NFPA 72??

    Hello everyone, Do you know whether there are certain rules in determining the minimum distances of deluge system fire actuators to transformers (electrical utility)? The so-called "deluge system fire actuators" are simple actuators that actuate with high pressure N2 gas. Whenever there's a...
  2. genewarun

    Nitrogen supply facilities for purging purposes

    First of all thanks for your posts. Indeed, this is going to be the first time that im gonna be involved in a gas compressor station, however i know all the utilites well from other projects except N2 plant. So, conceptually what is on my mind is how much capacity is needed, at what temperature...
  3. genewarun

    Pressure Vessel vs Pipe

    Indeed as far as i know, the piping codes (at least the oens i am familiar with such as B31.3 & B31.4) have originated from ASME code and there is a close relation between them. In any case heat exchangers, filters, scrubbers, and any equipment that is connected to a piping system with one or...
  4. genewarun

    Nitrogen supply facilities for purging purposes

    Hello everyone; I have been preparing an outline for a gas compressor station and have just found out that nitrogen supply for these facilites for inertization and purging purposes, and especially in isolated locations cryogenic tanks for liquid N2 storage and vaporization facilities (to obtain...
  5. genewarun

    Manpower planning for steel structure installation

    Hello everyone; It's not a technical question, but if anyone's interested, how many manhours are required to erect a ton of steel structure (roughly), and what is the distribution of this manpower (erector, helper, foreman, welder and so on) assuming that all the joints are bolted?

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