Like any large concern Port of Seattle has some very complex data recording and billing systems. One of these is the billing system for crane usage. Large cranes are used to move containers from the numerous cargo ships that visit the Port daily. These cranes are billed based on any number of criteria specific to the user of that crane. Some may bill by time, others by count or a combination of these.
Originally this data was gathered by had, proofed by hand, audited by numerous spreadsheets, billed, then audited again. ... Click to read more