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Recent content by ifran31

  1. ifran31

    Is there a means (tool) to reduce the pressure ?

    Good morning, Thank you for your best suggestions, I will apply for this project. Regarding our organization in this project, we are a team in several specialties (Process, HSE, mechanical, electrical, instrumentation and civil engineers) who work in accordance with interface engineering...
  2. ifran31

    Is there a means (tool) to reduce the pressure ?

    Biginch hello, Actually, the fire is a very serious problem, which is why I chose the code. For industrial safety, without the code you can’t make a design of a reliable installation, In my previous mesages, when I told a friend, this is not a joke, it's legal contract between us, I do not...
  3. ifran31

    Is there a means (tool) to reduce the pressure ?

    Hi, Thank you for your effective cooperation. I am a mechanical engineer (thermal) trying to dimension a fire protection hydraulic system for a friend. Regarding my previous questions, I am going to use a pressure differential on upstream DN 80 piping system (here is enclosed pdf file), For...
  4. ifran31

    Is there a means (tool) to reduce the pressure ?

    Good morning everybody, I have a piping design which has the following data: 1) Main piping: DN 150 and 11 bars pressure 2) secondary piping: DN80, 11 bars pressure water arrives from piping DN150 and feeds the DN 80 system ,as shown in the enclosed diagram, Each sprinkler supports a...
  5. ifran31

    Main electrical pump installation

    Hello, Please, I would like your opinion on the fire pump installation, flow for the main pump (electrical)is equal to 128 m3 / h, flow calculed as per APSAD R1, For the installation, I must installed a pump (flow=128 m3 / h) or two (02) pumps 60m3 / h each in parallel? Thank you in advance...
  6. ifran31

    operating philosophy of fire pump

    Good morning LCREP, Thank you sir for your good collaboration, for information, my case is a network of firefighting of a Cannery boxes of sardines plant, thank you in advance and good luck to all intevenant, R.B (Mechanical Engineer) (Note: sorry for my english)
  7. ifran31

    operating philosophy of fire pump

    Hello, Please, I need your comment about the operating philosophy of a group of fire pump: Setting the pressostat: The pressostat connected to the jockey pump (1) should be set to: - A starting pressure of 9.5 bara - A shut-off pressure of 11 bara The pressostat connected to the pump jockey...
  8. ifran31

    Prefabrication And Erection Piping Cost

    Hello, austsa & hahor thanks for your answers, hahor I will try to get a copy of "Estimators Piping Man-Hour Manual", thank you and have a nie day R.B
  9. ifran31

    Prefabrication And Erection Piping Cost

    Hello, Please advise me, concerning the cost of prefabrication and erection work of CS (carbon steel) and SS (stainless steel) piping. A bad welder welds one joint of welding (pipe 2'' diameter) per day???? Correct me please. Is there a website to clarify my concern? Thank you in advance...
  10. ifran31

    Cost Of Prefabrication And Erection Work

    Hello, Please advise me, concerning the cost of prefabrication and erection work of CS (carbon steel) and SS (stainless steel) piping. A bad welder welds one joint of welding (pipe 2'' diameter) per day???? Correct me please. Is there a website to clarify my concern? Thank you in advance...
  11. ifran31

    Good morning, Please, I need to

    Hi, sanjaygail77 & TD2K tanks for your help, Questions: Can I take (12.5 %) of falling in the thickness? Can I refer to B31.3 code, paragraph 304.1.1? Is there anyone who can help me to list the steps that the inspection section is changeable? Regards and have a nice day R.B (Mechanical...
  12. ifran31

    Good morning, Please, I need to

    Good morning, Please, I need to know what percentage of falling thickness it is said that pipes must be changed. Piping case (process and power), Regds R.B (Mechanical Engineer)
  13. ifran31

    Fire Protection tank

    My installation is to protect floating roof tanks (six (06) tanks), the tanks presents the same capacity (50 000 m3) and the same liquid (crude oil), the type of roof is a floating roof double deck, My concern is to choose the code to calculate the flow of cooling water and foam, At the moment...
  14. ifran31

    Fire Protection tank

    Good morning experts, thank you for the message you sent for my preoccupation cited above Concerning firefighting calculation, I opted the following codes: - NFPA 11, 15 et 30 - API650 édition (Annex C) The worst case scenario is: The worst case is to calculate the firefighting flow...
  15. ifran31

    Fire Protection tank

    Dear members, What are the design guidelines in the design of Fire Protection tank (fixed and floating roof)? thanks in advance, R.B (Mechanical Engineer)
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