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A schedule, says Jerry Householder, is like a list, except that it shows you the flow between items. In Scheduling for Builders, Householder shows how to use bar charts, arrow diagrams and "precedence networks" to plan and schedule your work, and monitor inprocess tasks. The benefits include lower overhead (when construction is sped up), less interest payments, and better relations with your subs. According to Householder, planning means outlining required steps and noting such variables as long lead times. Based on your plan, you can schedule events using any technique. Bar charts use a calendar format and therefore require a time estimate for each phase. Arrow diagrams show the relationships between elements, and allow differentiation between "hard" constraints (such as not