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  1. Vicky07

    Pressurized aluminum domes

    Hi. Can someone pls explain elaborately how the flashing area of the dome will be covered fully in the case of pressurised domes. Thanks Vicky
  2. Vicky07

    AIFR

    Thank you @ IFR's presence and locations of float lines on the pontoons, visible in an out-of-service inspection. The float lines are normal. All the floats are 50% submerged. This is why the doubt occurs that how the product is oozing over the deck?(observation of stain marks) Self-drilling...
  3. Vicky07

    AIFR

    Thank you @LittleInch. I've never seen Kl/hr before - 600 m3/hr? what size pipe and velocity? Yes. It is 600 m3/hr. The inlet size is 12" and its velocity is around 2.3 m/s. How is the roof monitored/operated when it gets to low level / sat on legs? At low levels, the flow is restricted to...
  4. Vicky07

    AIFR

    Hi. I came across an aluminium IFR that has 8 " floats. The floats are placed linearly and not around the rim sections. There are product stains on the deck panel around the emergency drains, legs and deck seams. The inlet flow rate is around 600 Kl/hr. No diffuser is instaled in the inlet...
  5. Vicky07

    Full contact Hybrid AIFR

    Hi. Is it possible to have a full contact (honeycomb) hybrid AIFR (SS&Aluminum) for ethanol storage? Is this combination possible? Thanks Vicky.
  6. Vicky07

    Roof drain for Aluminium IFR

    Thanks IFRs & stephen
  7. Vicky07

    Roof drain for Aluminium IFR

    Hi all. Can a swivel roof drain be fixed with an Aluminum IFR? Is a Swivel roof drain required in a IFR tank? Thanks Vicky
  8. Vicky07

    CS cone roof corrosion

    Hi all. Most of the CS cone roof tanks that are located near sea shore regions are getting corroded rapidly. Are there any other means by which the corrosion rate can be reduced? Replacing the CS roofs by aluminium dome roofs will not be a great idea since aluminium too will get galvanically...
  9. Vicky07

    Welding of dissimilar metals

    Hi all. We need to weld 16 gauge SS plate with 6mm CS plate. We are using TIG welding process with SS 309L as filler rod. Problem is that the SS material is getting melted during welding and the filler material is not at all getting deposited on SS. Kindly share your thoughts and give some...
  10. Vicky07

    AIFR panel laying method

    Hi all. Till date I have seen laying of AIFR panels with the support of temporary wooden frames between the girders. Is there any other means of laying the deck panels such as unrolling it fully throughout the girder length and stiffening / pulling the ends with some special machines? Kindly...
  11. Vicky07

    LEL and HEL

    Hi Need we clarity in the LEL and HEL of gasoline . What type of instrument is required for measuring the LEL and HEL in an AIFR installed gasoline storage tank?What is the permissible limit of the levels and what will happen if the readings cross the permissible limit? Thanks
  12. Vicky07

    Structural frame stability

    Hi all. Need a clarification on designing and fabricating a grip hoist supporting structural member. We have decided to fabricate a structural member as shown in the attached document. We will be lifting a load of 3 MT through this setup. The lifting capacity of the grip hoist is 3.2 ton...
  13. Vicky07

    Geodesic aluminium dome installation

    Hi all. A geodesic dome that has 5 rings is to be installed on a steel floating roof tank. We have decided to install the first our rings of the dome by keeping the floating roof down. After installing the dome panels upto the fourth ring, we have planned to take the floating roof to its...
  14. Vicky07

    shell to node distance

    Hi all. In an aluminium geodesic dome, after erecting the last ring of the dome we have only 80mm gap between the tank shell and the edge of the bottom node of the last ring. we couldn't even fix the top node of the last ring. We have erected this dome inside a 30 m dia tank and we have planned...

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