Network Analysis - Classes of Uncertainty - Engineering Assignment Help

Assignment Task:

Analysis 1. Project description (maximum 1 page)

Give a short project description (descriptive) and highlight the most important aspects (the project scope, the client, the company, the challenge, …). Make this description as attractive as possible, and include graphics whenever desirable.

Analysis 2. Network analysis (maximum 2 pages)

A project network analysis includes a list of activities, precedence relations, resources (people working on the project) and estimates for durations and costs of activities. You should generate project data as follows:

• Construct a work breakdown structure with minimum 3 levels (preferably more), i.e. level “work items”, level “work packages” and level “activities”.

• Construct an activity-on-the-node network diagram.

• Each activity must have 1 single-point estimate for its duration and cost.

Analysis 3. Critical path analysis (maximum 2 pages)

Calculate the following CPM metrics (using the network or Gantt charts):

• Construct an earliest start schedule.

• Construct a latest start schedule.

• Calculate the activity slack.

• Draw conclusions.

Analysis 4. PERT analysis (maximum 2 pages)

Based on the network and critical path, extend the previous analyses to a PERT analysis, as follows:

• Define three estimates for each activity (worst-case, most-likely and best-case) (hint: if you make sure that the average (or expected) durations are exactly the same than the single point estimates of analysis 2, then your analysis will be easier, but it is not necessary!).

• Calculate the expected duration, standard deviations, the average critical path using the PERT method.

• Perform some statistical analyses with the results, and draw conclusions.

Analysis 5. Schedule risk analysis (maximum 2 pages)

Performing a static schedule risk analysis is not easy, since it requires knowledge about distributions for activity durations, and the use of Monte Carlo simulation tools. Therefore, this assignment consists of the following:

• Define classes of uncertainty based on your knowledge of the project, or your own creativity, and assign each activity to one of these classes.

• Carry out a schedule risk analysis (difficult part) by choosing one of the following options:

  • You can use a software tool and perform a simulation (but this requires that you have access to a software tool).

  • You can simulate the project data in MS Excel (but this requires some background in Excel).

  • Give estimates about the values of some sensitivity metrics (e.g. CI, SI and SSI) with reasonable arguments (of course, no exact values must be given, but rather whether you think the values will be low/medium/high for each activity (and why?)).

• Draw conclusions and discuss the use of the sensitivity metrics in a bottom-up control approach.

Analysis 6. Earned value analysis (maximum 2 pages)

You now assume that the project is in progress, and unexpected events occur (activity delays, activities ahead of schedule, budget overruns, budget underruns). Generate progress data, analyse the project status and draw conclusions, as follows:

• Make use of the schedule of analysis 3 (critical path schedule).

• Generate 3 progress periods imitating the project progress at different days.

• Calculate the earned value key metrics (planned value, actual costs, earned value).

• Calculate the project performance metrics (CPI, SPI, SPI(t), ES, …).

• Make predictions (the EAC formulas of EVM).

• Make suggestions to bring the project back on track (corrective actions) if you think this is necessary.

• Draw conclusions and discuss the use of the EVM performance metrics in a top-down control approach.

Analysis 7. Executive summary (maximum 1 page)

Write a single page executive summary indicating the highlights of the previous analysis, and make sure it contains the details that you want to communicate to your stakeholders

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