Draw up Gantt Chart with utility data1
Click Plot AOA2 -to automatically draw an editable Activity-on-Arrow Network Diagram with critical path for normal schedule, via https://mermaid-js.github.io/mermaid-live-editor
This diagram should aid you in fully considering the project plan as distinct from the project schedule (although it does also define the critical path). After network compression the critical path may change.
Automatically revised Gantt Chart – fully crashed (after running Plot TimeCostCurve App)
Click and follow the prompts: Plot TimeCostCurve3
Click Plot AOA (for revised fully-crashed network diagram)
CONGRATULATIONS! In a few clicks you just solved the time-cost problem.
DAYS AND DOLLARS: By inspection you now know the optimal schedule can save this project 22 work days (18% time saving) and $2,365 (6.5% cost saving) by crashing the activities as noted by their ID’s on the TimeCostCurve above (by 1 or more days).
The critical path for the fully crashed schedule is indicated in the AOA network diagram (left)
You also have summary data of 23 schedules to justify your next project planning decision.
Disclaimer: timecostcurves.com apps are not intended for narrow use cases but rather to draw you into solving one of the broadest problems in project planning
Utility data is available for import into tccB01.mpp file from: https://docs.google.com/spreadsheets/d/1Y0s9vW-Ypz6wumSi55E6VQLnO8SBrS_Qe7MjTg-BDCs/edit#gid=0↩︎
Plot TimeCostCurve app available from the ribbon of tccB01.mpp file↩︎
Antill, J. M. (1990). Critical Path Methods in Construction Practice Fourth Edition. John Wiley & Sons Inc. p.57↩︎