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  • Users: ceasar20
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  1. ceasar20

    Close interval potential surveys (CIPS)

    Dear Expert, we are working on construction pipeline project (2km), I want to know if the Close interval potential surveys (CIPS) are mandatory or not ? Type of cathodic protection: sacrificial anode. Coating type. 3LPE Number of test Point 6. Thank you in advance for comments.
  2. ceasar20

    Pipeline lowering with 2 crane

    Hello Mates, we will start the activities of Pipeline lowering (L 300m D 12 inches thx 8 mm X 52 trench depth 1.70 m ) with two cranes every crane have 2 lift points. I want to ask about: Two cranes are sufficient? Recommended distance between lift points ? The distance between...
  3. ceasar20

    welding activity pipeline

    Hello ; We work for welding activity pipeline 12” X52 thickness 8.38 mm Root / hot pass GTAW Filling / cap SMAW In order to optimize production Contractor propose to proceed with GTAW first , for example for he weld first 10 weld joint GTAW after that he...
  4. ceasar20

    Leak ball valve issue

    Dear mates , After first leak test with helium we was found leakage in valve 24 inch (from 20 bars ) between nut and stud (pos 21& pos 22) see attachment . we changed the lip seal (pos 24 ) and the graphite gasket (POS23) but the leakage persist . service pressure of valve : 80 bars...
  5. ceasar20

    Insulating joint (cable lugs)

    dear all, in order to connect surge Surge Diverter , its possible to add and weld cable lugs on pipeline insulating joint (thickness 8.6 mm) ? thanks in advance

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