FuelsManager Defense
288 Administrator Manual
Separated strapping
and water tables
example
• Water volume = Measured water level lookup in water table
• Product volume = Measured product level lookup in product table
Floating
Roof Adjustment (FRA)
Tanks with floating roofs require a correction to offset the effect of the
displacement of the floating roof.
Default
This correction is calculated in the following manner.
If no floating roof or level is <= Roof Landed Height:
If floating roof is not included in the strap table:
If floating roof is included in the strap table:
Japanese correction methods
If the user selects any of the correction methods designated 'Japan' the floating
roof correction is calculated in the following manner:
If the 4th digit after decimal point of density is Zero such as
ρ15 = X.XXX0
FRA = 0
No Correction Required.
FRA = Roof Mass/ProductDensity
FRA = (RoofMass/StrapDensity) – (RoofMass/ProductDensity)
FRA = FRW / ρ15
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