Arbitrator Mittenthal describes steps he often takes to assure an efficient hearing but thorough hearing: a prehearing request for the cba and written grievance file, in order to be better prepared at the start of the hearing. During the hearing, avoiding redundant evidence and repetitive testimony; clarifying arguments in order to better focus on the matters in dispute; and remaining alert fot the opportunities for mediation or settlement. At the conclusion of the hearing, requesting written briefs were advisable.