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check the anchor bolts or anchor bolt pocket distance are according to equipment .

check the anchor bolts or anchor bolt pocket verticality.

set the pad plate according to equipment G A drawing prior to install padding should be cured and all above points verified and inspected by equipment QC.

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Pipe flange bolt holes lined up with machinery nozzle bolt holes within 1.5 millimeters (1/16 inch) maximum offset from bolt hole center .

The machine and piping flange faces parallel to less than 10 micrometers per centimeter (0.001 inch per inch) of pipe flange outer diameter up to a maximum of 750 micrometers (0.030 inches) If piping flange outer diameters are smaller than 25 centimeters (10 inches), are the flanges parallel to 250 micrometers (0.010 inch) or less.

Flange face separation within the gasket spacing plus or minus 1.5 millimeters

(1/16 inch).

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Coupling spacer distance or DBSE TOL + / – 0.25 mm.

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Prepared by; M.Balasubramanian Assist Superintendent Mechanical, Tank farm P-6 SATORP.