The second case describes three delay events the accumulation of which does impact the project completion date. Figs. 3 and 4 show the as-planned and as-built schedules, respectively. As shown in Fig. 4, the contractor delays the submission of shop drawings by 20 days in the early time frame and later delays the steel fabrication by 30 days. The total number of days of delay attributed to the contractor equals 50, a full 25 days beyond its allowable total float