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  • Users: zacharialamsyah
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  1. zacharialamsyah

    API 570 exam, ASME B 16.5 question

    Dear All I'm having difficulties to solve the problem below (which i get from API 570 exam sample), can someone (API 570 Inspector) explain how to solve these problem, it is refer to formula areas of subminimum thickness with formula at paragraph 6.1.2 Fitting Local Areas at ASME b 16.5...
  2. zacharialamsyah

    HDD Pipeline vs Boring Pipeline

    Dear all Kindly need your answer with question below: 1. What the difference between HDD (Horizontal Directional pipeline) and Boring Pipeline? Is it same Terminology or not? 2. How much the deepest HDD technology can be applied? 3. The last, what is function of Pipe reamer and swivel in...
  3. zacharialamsyah

    Cold Flare Vs Dry Flare

    Dear Eng Tips Community Kindly any of you can explain briefly the different between Dry Flare and Cold Flare, it is associated with HP or LP flare? Is the Ignition system between them different? I googling, but still not get good definition of that terms. Thanks for your response and answer...
  4. zacharialamsyah

    How to measure corrosion rate from corrosion Probe

    Dear All I have question regarding to corrosion probe Is there corrosion rate reading from Cor probe can be monitored in real time monitoring (on stream monitor) or the corrosion rate is only can be measure only form remote digital controller or handheld corrosion monitor, so we must remove...
  5. zacharialamsyah

    Dry Insulation pipe in pipe

    I find some reference about Dry Insulation , it tells that it relates to Pipe in pipe (PiP) insulation. My question are 1.Where the dry insulation placed? Outer pipe, inner pipe or both? 2.What advantages of dry insulation compared with wet insulation? 3.Can dry insulation applied in Single...
  6. zacharialamsyah

    Rentis Vs Reel Lay Method

    Dear all Can anyone tell the differences between "Rentis Installation Pipeline Method" and "Reel Lay Method"..These two method involving pipeline welding in onshore yard and the sent to offshore pipeline by Barge..But I cannot find clear difference between two of the them..Can anyone explain...
  7. zacharialamsyah

    Quad/Hex/Collar weld

    Dear all I read some article about J lay pipeline installation, and i found some terms about Quad/Hex/Collar weld, which i not clearly understand 1.What is the definitions of quadruple, hex weld or collar weld which are related to J Lay pipe installation? Can someone explain ? Thank you for...
  8. zacharialamsyah

    Sphere Tee vs Barred Tee

    Dear all What are the differences between Sphere Tee and Barred tee related to Pig Launcher/Receiver? Are they have some functions?.. what is the advantages and disadvantages ? Thank you for answer and response, Regards, Zachari Alamsyah
  9. zacharialamsyah

    Grout annulus vs Crown Shim

    What is the difference of the method of connecting platform jacket to pile between "grout annulus" and "crown shim"? Could anybody explain the advantages and disadvantages of these method?
  10. zacharialamsyah

    Quadruple , hex, and collar weld

    Dear all, when I read article about J lay pipe installation I found some terms that I have difficulties to find what the meaning is 1.What is the definitions of quadruple, hex weld or collar weld which are related to J Lay pipe installation? Can someone explain to me with picture? 2.Is the...
  11. zacharialamsyah

    Hybrid riser pipeline

    Dear all, I find difficulties to find one terms of pipelines system , related to hybrid riser, it might be basic knowledge..hope your input will be enlightening me 1.What specifically Hybrid riser means? I searching by google, hybrid riser means the integration (in one bundle) consist of Rigid...
  12. zacharialamsyah

    Double joint weld definition

    Sorry, my question might be basic knowledge. I try to find searching by google..but still getting any confuse My question is about double joint welding , which commonly used in offshore pipeline installation. 1.What the definition of double joint, can someone to give brief explanation? 2. Is...
  13. zacharialamsyah

    Stainless Steel Storage Tank as Crude Oil Storage

    Is that correct action to replace Stainless Steel Storage Tank which previously dedicated as Chemical Injection Storage Tank to be CRUDE OIL Storage Tank (which commonly constructed by Carbon Steel). Is there any hazard if Stainless Steel is used to store Crude Oil? Any Reactions will occur...
  14. zacharialamsyah

    Stainless Steel Material as Crude Oil Storage Tank

    Is that suitable to replace Stainless Steel Storage Tank which function as Chemical Injection Storage Tank to be CRUDE OIL Storage Tank (which commonly constructed by Carbon Steel). Is there any hazard if Stainless Steel is used to store Crude Oil? Any Reactions will occur? and what the...
  15. zacharialamsyah

    SPAR, TRUSS SPAR AND TLP

    I have simple problem about floating offshore platform type I’m not clearly understand the different between “SPAR”, “TRUSS SPAR” and “TLP” (Tension leg Platform), from the shape, function, range depth of sea level, riser protection , and other. Can someone explain the advantages and...
  16. zacharialamsyah

    Dog leg pipe in Offshore riser

    I have some problem to design dog leg pipe in offshore riser - Can the dog leg pipe constructed like “L” shape or 90 degree bend , because the term dog leg pipe usually related to Z shapes or 45 Deg bend pipe, what international code or standard accommodate this design? - What the protection...
  17. zacharialamsyah

    Material pipe of geothermal facility

    Dear All I have facing problem to design Geothermal facility Most all of reference tells that the common material pipe of Geothermal facility are Polyethylene, High Density Polyethylene (HDPE), PVC, and CPVC . Can we replace Carbon steel or Stainless steel instead? What the advantage...
  18. zacharialamsyah

    Breather valve replacing Frangible Joint

    Dear All I having some problem in facility about storage tank Can Breather valve per API-2000 (Venting Atmospheric and Low-pressure Storage Tanks) replace the requirement of Frangible roof to shell Joint. If the construction of Frangible Joint cannot applicable per API-650 . Thank you for...
  19. zacharialamsyah

    Reverse Acting RD

    Dear all When we must use Rupture Disc type Reverse acting? Is this type can withstand higher pressure instead of Direct Acting? More hazardous chemical? What the advantages and disadvantages of this type? Highly appreciate for your response and answer Best Regards Zachari Alamsyah
  20. zacharialamsyah

    Tensile Test Failure in Weld Metal

    Dear All In tensile test, Failure or Break should occur in Base Metal, because the Weld Metal shall have greater strength than weld metal. But, when i searching in some reference and even occur in my fabrication, failure could be located in Weld Metal and the result was OK (acceptable) What...

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