(pij/nij) of the theoretical operation processing time (pij) of a job j on amachinefromcapacitygroup i is accountedincaseof downstream operations,with nij being thepositionof i in thejob’s routing. Inthiscase,eachjobbeingreleasedwillincrease workload with pij/nij for eachcapacitygroupinitsroutingand after therespectiveoperationatacapacitygroupiscompleted, workload willdecreaseaccordingly