Managing a Project Assignment: Scenario Cell Phone Design Process You work for Motorola in the global cell phone group. You have been made operations/project manager for the design of a new cell phone model. Your supervisors have already scoped the project so you have a list showing the work breakdown structure and this includes major activities. You must plan the production schedule and calculate production duration. Your boss wants the schedule on his desk tomorrow morning! You have been given the information below. It includes all of the activities required and the duration of each activity. Also, dependencies between the activities have been identified. Remember that the preceding activity must be fully completed before work on the following activity can be started. It is divided into five major production processes. Process "P" involves developing specifications for the new cell phone. decisions related to such things as battery life, size of the phone and features need to be determined. These details are based on how a customer uses the cell phone. These user specifications are redefined in terms that have meaning to the subcontractors that will actually make the new cell phone in Process "S" supplier specifications. These involved engineering details for how the product will perform. The individual components that make up the product are the focus of Process "D". Process "I" brings all of the components together and a working prototype is built and tested. Finally in Process "V", vendors are selected and contracts are negotiated. 1. Produce a network diagram that includes all of the activities. What is a network diagram and why is it important? 2. Produce a Gantt chart that includes all of the activities. What is a Gantt Chart and why is it important? 3. Calculate start and finish times for each activity. Assuming a start date of 10/1/2015, what is the finish date? 4. What is the total number of weeks for completing the process? 5. Which activities have slack? What is slack? 6. Which activities are on the critical path? Why do we use the critical path in scheduling? 7. Your boss would like you to suggest changes that could be made to production that would significant shorten it. What would you suggest? MAN 4504 Operational Decision Making Activities ID Predecessor Duration (days) Product Specifications (P) Overall Product Specifications P1 - 20 Hardware Specifications P2 P1 25 Software Specifications P3 P1 25 Market Research P4 P2, P3 10 Supplier Specifications (S) Hardware S1 P2 25 Software S2 P3 30 Market Research S3 P4 5 Product Design (D) Circuits D1 S1, D7 40 Battery D2 S1 5 Display D3 S1 10 Outer Cover D4 S3 20 User Interface D5 S2 20 Camera D6 S1, S2, S3 5 Functionality D7 D5, D6 20 Product Integration (I) Hardware I1 D1, D2, D3, D4, D6 15 Software I2 D7 25 Prototype Testing I3 I1, I2 25 Subcontracting (V) Vendor Selection V1 D7 50 Contract Negotiation V2 I3, V1 10