Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations waross on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Recent content by MACARTHUR

  1. MACARTHUR

    Tank external floating roof dismantling

    Is there any code for dismantling an EFR that is landed on legs and tank cleaned?? Or any experiences for such a job? Thanks
  2. MACARTHUR

    Lightning on AST roofs thin surfaces

    thread184-179878 NFPA mentions that AST metallic roofs that have a minimum of 3/16" thickness are inherently safe. What about the aLuminum domes structures made of high and thick beams and which provide the main "Faraday' structural protection and covered by thin aluminum plates ? I believe...
  3. MACARTHUR

    API 650 11th Edition and foam dams

    thread184-219005 Could someone tell me whether the API65011th Edition repeats the NFPA11 the exact wordings for foam dams design? And at which parag. / Annex? Thanks
  4. MACARTHUR

    New Crude Oil Storage Tank Floating Roof Membrane Rectifications

    Just a small contribution to this... 1- Yes if your skin and pontoon roof is designed as per API standards, no way to worry about 2- A skin is suposed to ''float'' on stored productand eneveness is common and normal 3- What I would worry about is correct sizing of main drain system in case of...
  5. MACARTHUR

    Foam fused ports on atmospheric storage tanks seals

    Thank you for tips... I found out the NFPA rules which seem very minimum though.. and the European EN 14 015 2004 standard mentionning this.. I must add that these foam traps are being a real safety issue as in case of fire and /or late foam delivery, these could be an additional source of...
  6. MACARTHUR

    Foam fused ports on atmospheric storage tanks seals

    Could anyone advise me whether there is any standard and/or code for specifying a foam port that can let the fire fighting foam go between the floating roof seals in case of fire..?? I heard about NFPA regulations every 3 meters along the secondary seal but what about the size of it and fusing...

Part and Inventory Search