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  1. turnaroundeng

    Hydrocarbon decontamination best practice?

    Thanks, Equipment steaming (for gas freeing)is a lengthy process for vessels with internal parts (towers with trays) so I was wondering what else can be done to accelerate the process for towers especially
  2. turnaroundeng

    Oil Refinery vessel internal Surface preparation for inspection best practice?

    Hi, I would like to know the best practices for the preparation of internal surfaces of oil refinery equipment (vessel/tower/reactor shells) for visual inspection? currently we use HP washing (10,000 psi) but the inspection dept always complain and demand 2nd or 3rd attempts which results in...
  3. turnaroundeng

    Hydrocarbon decontamination best practice?

    Hi, I would like to know what are common practices for decontamination of oil refinery plants in preparation for a turnaround. Currently, our operations department uses regular steaming (175#) for most pipelines and vessels, however at times i've seen heavy oil systems steamed with detergent...
  4. turnaroundeng

    horizontal crack on clay block wall

    The wall is an infill wall (hollow clay blocks held together with cement + red sand mortar, then plastered). There may have reinforced concrete framing at the corners of the building. I didnt check, I took that for granted. It's a load bearing wall, it supports the center of a gable roof...
  5. turnaroundeng

    horizontal crack on clay block wall

    Concretemasonry, the wall is constructed of hollow 4" x 6" clay blocks held together with mortar and plaster. Yes the building was constructed 22 years ago. The crack you are seeing in the picture is also the same on the other side of the wall i.e cracked straight through.
  6. turnaroundeng

    horizontal crack on clay block wall

    Folks, I am interested in purchasing a house but there a quite a few cracks at various areas. The walls area constructed using clay blocks. I've attached a photo of one of the worst cracks. It starts from the corner of a door frame and runs horizontally where it meets another crack from the...
  7. turnaroundeng

    Slab on grade crack cause and repair

    Thank you all for your advice! (even you Ingenuity- I have trimmed my nails since then lol) dik: A few of the neighbours claimed that they do not have any cracking whatsoever. Ron: The crack shown in the picture is in one of the bedrooms. All the other bedrooms all have similar cracks at all...
  8. turnaroundeng

    Slab on grade crack cause and repair

    Good day, I recently purchased a house and after removing the carpet i realized there were cracks at every corner of every room. Some of the cracks sound hollow. The house is a flat house constructed in 1991 and is approx 1600 sq.ft covered area, sitting on flat (reclaimed) land approx 4100...
  9. turnaroundeng

    Straighten Stainless Steel Bubble Cap Trays in Columns

    Good Day, I am a maintenance engineer in a oil refinery. We are currently repairing the fractionator column on one of the crude distillation units. The column had undergone a majot disruption in service and many of the trays were bent/distorted and partially collapsed. We are attempting to...
  10. turnaroundeng

    sealant to be used in conjunction with fibreglass tape bubble cap tray gasket to pass leak test

    Folks, I am a maintenance engineer in an oil refinery. One of our crude distillation units is currently under turnaround and the fractionator column had undergone a major disruption in operation sometime ago. More trays have been damaged than we expected so we had to straighten/repair some of...

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