Would you like to inspect the original subtitles? These are the user uploaded subtitles that are being translated: 1 1 00:00:01,230 --> 00:00:02,900 Now, let's take a closer look 2 2 00:00:02,900 --> 00:00:04,370 at the critical path, 3 3 00:00:04,370 --> 00:00:06,010 one of the most important things 4 4 00:00:06,010 --> 00:00:07,610 for the project manager to know. 5 5 00:00:08,820 --> 00:00:12,460 The critical path can be defined three ways, 6 6 00:00:12,460 --> 00:00:16,750 as the longest path of back-to-back deliverables 7 7 00:00:16,750 --> 00:00:17,883 driving the schedule, 8 8 00:00:19,020 --> 00:00:21,690 or as the shortest amount of time 9 9 00:00:21,690 --> 00:00:23,760 in which the project can be done. 10 10 00:00:23,760 --> 00:00:26,560 It can't be done in any less time than the longest path. 11 11 00:00:27,680 --> 00:00:31,230 And if any critical path deliverables delay, 12 12 00:00:31,230 --> 00:00:32,793 the end date slips. 13 13 00:00:34,810 --> 00:00:37,460 The rest of the deliverables have some float, 14 14 00:00:37,460 --> 00:00:39,580 sometimes also called slack. 15 15 00:00:39,580 --> 00:00:41,490 Float and slack are really the same word, 16 16 00:00:41,490 --> 00:00:44,030 just spelled and pronounced differently. 17 17 00:00:44,030 --> 00:00:48,020 They mean the amount of time a deliverable can delay 18 18 00:00:48,020 --> 00:00:49,890 before it becomes critical, 19 19 00:00:49,890 --> 00:00:51,640 and starts pushing out the end date. 20 20 00:00:52,680 --> 00:00:55,070 Therefore, by definition, 21 21 00:00:55,070 --> 00:00:58,493 all deliverables on the critical path have zero float. 22 22 00:01:00,240 --> 00:01:01,430 Knowing the critical path 23 23 00:01:01,430 --> 00:01:03,973 is enormously useful for the project manager. 24 24 00:01:05,130 --> 00:01:07,370 The PM can focus most of their attention 25 25 00:01:07,370 --> 00:01:09,030 on the critical path, 26 26 00:01:09,030 --> 00:01:12,760 since delays there drive increases in schedule, cost, 27 27 00:01:12,760 --> 00:01:14,863 and brand new risks. 28 28 00:01:16,240 --> 00:01:19,600 And if the project is having schedule difficulties, 29 29 00:01:19,600 --> 00:01:21,430 the project manager can move resources 30 30 00:01:21,430 --> 00:01:23,490 from non-critical path deliverables 31 31 00:01:23,490 --> 00:01:26,250 to help with critical path deliverables, 32 32 00:01:26,250 --> 00:01:27,900 assuming there is a skills match. 33 33 00:01:30,010 --> 00:01:33,990 The project manager's job is getting easier and easier. 34 34 00:01:33,990 --> 00:01:36,250 You aren't managing at the activity level. 35 35 00:01:36,250 --> 00:01:39,220 That's the job of the deliverable owners. 36 36 00:01:39,220 --> 00:01:40,470 And you don't even have to worry 37 37 00:01:40,470 --> 00:01:42,240 about all the deliverables. 38 38 00:01:42,240 --> 00:01:43,400 If you spend most of your time 39 39 00:01:43,400 --> 00:01:45,610 managing the deliverables on the critical path, 40 40 00:01:45,610 --> 00:01:47,280 you are focusing your effort 41 41 00:01:47,280 --> 00:01:49,643 on the work of highest priority. 3420