Third Party Inspection for Ground Storage Tank-

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            Reference Documents- 1.     Design code 2.     Purchase order specification 3.     Purchaser's standards 4.     Approved drawings 5.     API 650 6.     API 620 7.     API 653 8.     BS 2654 Inspection Activities from start to finish-              Material Inspection            Fabrication Inspection            Plate Preparation            Shell Courses and Base Plates containing Welded Seams            Post Weld Heat Treatment of Hot Formed Components            Assembly Inspection             Painting and Coating              ...
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Important Point For Pressure Vessel Inspector-E-4

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 STATIC HEAD

The inspector must be able to compensate for the pressure resulting from static head. All static head will be based upon a Specific Gravity of 1.0. The inspector should be able to:

a) List the static head/pressure conversion factor (0.433 psi/ft);

b) Know the difference between vessel MAWP and vessel part MAWP (UG-98);

c) Calculate static head pressure on any vessel part;

d) Calculate total pressure (MAWP + static head) on any vessel part;

e) Calculate maximum vessel MAWP given vessel parts MAWP and elevations

Static head calculations may also be required during the internal pressure calculations if static head data is given in the examination problem

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