exercises
Exercises are self-motivated activities to keep fit. Here at the CPM tutor, exercises are provided to assist you to practice what you have learned in previous sections of the tutorial. The exercises in Chapter 7 are provided to assist you to assess your understanding of sequence and duration as described by arrow diagrams, precedence diagrams, and fenced-bar charts.
exercise 5 - build the warehouse
Using the set of tasks, their sequence and duration, shown below, build an arrow diagram, a precedence diagram, and a fenced-bar chart.
| ID | Activity | Following Activity |
Duration (work days) |
|---|---|---|---|
| 1 | Order and Deliver Rebar | 8 | 25 |
| 2 | Order and Deliver Structural Steel | 11, 14 | 20 |
| 3 | Order and Deliver Windows | 13 | 55 |
| 4 | Order and Deliver Equipment | 14 | 70 |
| 5 | Deliver Site Trailer | 6 | 5 |
| 6 | Clear and Grade Site | 7 | 5 |
| 7 | Excavate Footings | 8 | 10 |
| 8 | Place Rebar in Footings | 9 | 5 |
| 9 | Place Concrete in Footings | 10, 11 | 10 |
| 10 | Cast and Cure Slab on Grade | 13, 14 | 20 |
| 11 | Erect Walls | 12, 13 | 25 |
| 12 | Erect Roof | 14 | 10 |
| 13 | Install WIndows | 14 | 5 |
| 14 | Install Equipment | 15 | 10 |
| 15 | Final Inspection | none | 5 |
Extra Credit
Assume that the you are building 3 warehouses. How many days will the project require?
If you assumed that all 3 buildings were close to each other, what difference would it make if the buildings were several miles apart?
Would there be a difference in construction method if you built the project in the summer or winter?