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  1. payaam2000

    Open book cost estimation

    Hi In a document i faced to 2 expressions DA PA As it was wroten in the text, these 2 expressions related to "Open book cozt estimation" I could not find out what DA and PA stand for. Could anybody help me please Thanks
  2. payaam2000

    Open book cost estimation

    Hi In a document i faced 2 expressions as below DA PA As it was wroten in the text, these 2 expressions related to "Open book cozt estimation" I could not find out what DA and PA stand for. Could anybody help me please Thanks
  3. payaam2000

    Open book cost estimation

    Hi In a document i faced to 2 expressions DA PA As it was wroten in the text, these 2 expressions related to "Open book cozt estimation" I could not find out what DA and PA stand for. Could anybody help me please Thanks
  4. payaam2000

    Aluminum geodesic dome roof weight

    IFRs Do you have any suggestion regarding cost of procurement/construction of these type of roofs? I mean if aluminuim price is a$ per ton, then how much cost could it be supposed for peocurement and construction of roof. Thanks
  5. payaam2000

    Aluminum geodesic dome roof weight

    IFR Thank you for your comprehensive explanation
  6. payaam2000

    Aluminum geodesic dome roof weight

    IFRs Hi, I have a question. Is 3 lb per ft2, for Aluminuim? It seems heavier than expected? Thank you
  7. payaam2000

    Aluminum geodesic dome roof weight

    Thank you IFRs Great guide Sufficient for cost estimation
  8. payaam2000

    Aluminum geodesic dome roof weight

    Hi I am dealing with cost estimation of a 72 meter diameter storage tank which its roof could be geodesic aluminum dome roof. Woud any one please tell me how much will be the weight of roof.( order of magnitude and approximately) If any body knows a sample as installed geodesic aluminum dome...
  9. payaam2000

    waist-high supports

    Hi, following is part of "pipeline rule of thumb" book (page 49 FIFTH EDITION ) "Linear feet of pipelay per ten (10) hour day on waist-high supports on level ground" would you please describe what is "waist-high supports". it would be highly appreciated if any real picture could be attached...
  10. payaam2000

    double random joint pipe

    Hi would you please describe, what is "double random joint pipe" thanks
  11. payaam2000

    piping dia inch calculation

    thank you IRstuff, this is a proposal. the lay outs are not complete and the bid closing date is very soon!
  12. payaam2000

    piping dia inch calculation

    Hi, I have to estimate dia-inch of a piping system, regarding a chemical plant. But the client has only "material take off" from piping. ( a list containing 2" up to 24" pipe length only) is there any table which could give me a relation between length of pipe and approximate piping dia-inch...
  13. payaam2000

    Screw compressor, oil flooded or oil free

    Dear All Please advise me if I can use oil flooded screw compressor for a contaminated sour gas with high content of H2S (for recycling the sweep gas). Some suppliers recommend to use oil free compressor but I doubt they desire to sell a more expensive oil free compressors. Is there any body...
  14. payaam2000

    budgetary price for crude oil pump

    Thanks a lot. You are right. As per my investigations 2500 to 3000 USD per one horse power. Thank you very much for your kind consideration.
  15. payaam2000

    budgetary price for crude oil pump

    Dear All I need a budgetary price for following pumps. Q= 12000 barrels per day Power = 2700 HP (Diesel engine) QTy: 12 ------------------------ Q= 1200 barrels per day Power = 950 HP (Diesel engine) QTy: 140 Is there anybody who can help me?? Best Regards
  16. payaam2000

    budgetary price for crude oil pump

    Dear All I need a budgetary price for following pumps. Q= 12000 barrels per day Power = 2700 HP (Diesel engine) QTy: 12 ------------------------ Q= 1200 barrels per day Power = 950 HP (Diesel engine) QTy: 140 Is there anybody who can help me?? Best Regards
  17. payaam2000

    CEPCI index 2000

    Dear All Would you please help me to find CEPCI 2000 in detail of each equipment. I mean that CEPCI 2000 for pumps , heat exchangers and ... individually! Thanks in advanced
  18. payaam2000

    ferrite inclusion test

    Dear all We are responsible for a pressure vessel with inconel625 overlay and C.S base metal. our main client has requested from us to perform ferrite inclusion test after machining. would you please explaine what is ferrite inclusion test and why it is needed for cladded productions...
  19. payaam2000

    Ferrite inclusion test

    Dear all We are responsible for a pressure vessel with inconel625 overlay and C.S base metal. our main client has requested from us to perform ferrite inclusion test after machining. would you please explaine what is ferrite inclusion test and why it is needed for cladded productions. tanks...
  20. payaam2000

    pwht of cladded vessel

    Dear Metengr / Dear Edstainless thanx for your explanation. in the joint between nozzle and shell, Inconel 625 buttering will be performed. Also would you please advise me regarding below questions: 1- suppose that Shell has no nozzle. In this case is it necessary to perform PWHT due to...

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