API 653 Data Sheets-Dimensions Group 1

  1. Linings- Typically anchor profile of steel surface required for the installation of a tank bottom lining   652:  7.5
    1.5-4.0 mils
  2. Welds- Maximum undercut of a vertical weld & nozzle weld   650:  8.5.2.b
    1/64"
  3. Welds- Maximum undercut of a horizontal weld 650:  8.5.2.b
    1/32"
  4. Welds- Maximum diameter of a surface porosity cluster   650:  8.5.2.c
    3/32"
  5. Weld Qualification- Max allowed discontinuity in a bend test  IX:  QW-163
    1/8"
  6. Nameplates- Minimum size of name plate letters   650:  10.1.1 &  653:  13.1.1.1
    5/32"
  7. Bottoms- Minimum external projection of bottom plate on an existing tank (from toe of shell-to-bottom FW)  653:  4.4.5.7
    3/8"
  8. Reconstruction- Max amount of peaking allowed in vertical welds  653:  10.5.4
    1/2"
  9. Shell Calcs- When calculating tmin for shell LTA, minimum distance away from a weld where "E" is always 1.0   653:  4.3.3.1 (definitions)
    > 1" or 2t
  10. Shell Patch- Minimum overlap of shell lap-patch used to cover a hole (edge of hole to edge of patch)   653:  9.3.2.3
    1"
  11. NDE- When performing a PT examination, minimum distance to clean beyond the area to be examined     V: T-642.b
    1"
  12. NDE- When performing a MT examination, minimum distance to clean beyond the area to be examined   V:  T-741.1.b
    1"
  13. Reconstruction- Maximum amount of banding allowed in a horizontal weld   653:  10.5.5
    1"
  14. Bottoms- Minimum overlap required for single-welded lap joints   650:  5.1.3.5
    1"
  15. Bottoms- Minimum external projection of bottom plate on a new tank   650:  5.4.2
    2"
  16. Vacuum Box- Minimum overlap of previously test surfaces when using a vacuum box650:  8.6.5
    2"
  17. Bottom Patch- Minimum overlap of bottom lap-patch fillet weld to the nearest existing bottom weld   653:  Fig. 9.13
    2"
  18. Bottom Patch- Minimum distance bottom lap-patch fillet weld to the nearest existing bottom weld   653:  Fig. 9.13
    2"
  19. Shell Patch- Minimum radius of a shell lap-patch   653:  9.3.1.4
    2"
  20. Reconstruction- If reusing bottom plates, minimum distance to cut from existing bottom welds (if plates are not deseamed) 653:  10.3.2.1
    2"
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egf4201
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328279
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API 653 Data Sheets-Dimensions Group 1
Description
API 653 Data Sheets-Dimensions Group 1
Updated