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The estimated Port days field in the Estimate is calculated using the following formula:
EstPD = [((Cgo Qty / LD disch rateL/D Qty/ L/D Rate) + TT) ] x SHEXTerms
Where.
Estimated Port Days = EstPD
Loaded or Dischared Cargo quantity = Cgo L/D Qty
Loading/Discharging rate = LD disch rate
Turn Time = TT
Sunday Holiday excluded = SHEX
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Laytime Terms = SHEX, SHINC etc.
The Laytime Terms are defined in the Data Center by Veson and they are measured by a Factor.
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Example:
The below screenshot displayed the port itinerary in a Voyage Estimate.
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EstPD = [(L/D Qty/ L/D Rate) + TT] x Terms, which translates in: 5.09 days = [(80,000 mts/ 20,000 mts per day) + 0] x 1.2727
Depending on the cargo terms of the business scenario, you may need to alter the calculation formula by enabling the Configuration Flag, CFGVoyapiNoShexFactorOnTurntime.
Doing so , will alter the way the estimated port days is calculated:
EstPD = ((Cgo Qty / LD disch rate) x SHEXLaytime Term) + TT