Uber would like to develop a new driver portal to help better manage their drivers. The task requires a several teams that need to coordinate together in order to deploy the app in a timely manner.

• Tasks:

  • The tasks of developing a new driver-side app requires creating UI wireframes, developing a smartphone app (i.e., develop driver portal of app), user acceptance testing (UAT), fixing bugs, and deploying the app onto a production server for all to use.

• Costs:

  • Graphic team to develop UI framework: $50/hr per designer; requires 1 designer

  • Web developers to create app and fix bugs: $100/hr per developer; requires 2 developers

  • Product managers to UAT: $85/hr per manager; requires 1 manager

  • Dev Ops engineers to deploy app onto production server: $100/hr per engineer; requires 1 engineer

• Timeline

  • The project will start on 06/01/2020. Skip the weekends and any holidays to calculate the end date of the project.

ID	Task Name		Predecessor Task	Duration (days)
1	Create UI wireframe		-	5
2	Develop driver portal of app	1	Create UI wireframe	20
3	UAT	2	Develop driver portal of app	5
4	Fix bugs	3	UAT	10
5	Deploy to production	4	Fix bugs	2

Instructions:

• Create a precedence diagram

  • Perform a forward pass and backward pass

  • Calculate the float/slack

  • Identify the critical path

• How much would this entire project cost?

• Which role costs the most on this project (e.g., product manager, web developers, etc)?

• What date will the project end? Assuming it starts on 06/01/2019 and your team is only working weekdays.