Schedule Risk Analyses

What is Schedule Risk Analysis?

Managing risks on Construction and Engineering projects is a fundamental requirement in ensuring successful outcomes.

Schedule Risk Analysis is a method for analysing and managing time related risks on such projects.

Schedule Risk Analyses can be:

  • Deterministic analyses,  producing single fixed results, or
  • Probabilistic analyses, producing a range of results.

Why undertake Schedule Risk Analyses?

Schedule Risk Analyses can assist in:

  •  Determining levels of confidence of achieving project milestones;
  •  Determine which time risks have the greatest impact to those milestones;
  •  Potential critical paths based on the risks associated with them;
  •  Validation of Project Programmes/Schedules and Time related risks;
  •  Incorporation of results into time related expenses eg. overheads.

 Whats needed to run Schedule Risk Analyses?



To conduct a Schedule Risk Analysis, the underlying Programme/Schedule, against which risks will be analysed, needs to meet required criteria, including:


  • It represents the scope of work for the project against which risks will be analysed
  • Has been soundly built and robust to respond accurately when impacted by risks.



To conduct a Schedule Risk Analysis, risks need to be identified, assessed and quantified for inclusion in the analysis, including:


  • Documentation as part of the overall Project Risk Register
  • Identification of the time impact of risks

When to conduct Schedule Risk Analyses?


Provided that the Programme/Schedule and Risk criteria are met, Schedule Risk Analyses can be performed as often as required.

Suggested situations to conduct an analyses are:

  •  Programme/Schedule progress updates;
  •  Significant changes to project scope or delivery methodology;
  •  Changes to a project’s risk profile;

Conducting regular Schedule Risk Analyses can also validate the forecast dates represented by a Programme/Schedule.

How can Australasian Project Planning help?

Summary (High Level) Programme/Schedule Development and Analysis
Ideally suited to early-phase project planning, Australasian Project Planning can provide facilitation of Summary (level 1/Level 2) Programme/Schedule development, using the Graphical Path Method of Planning.

This unique planning methodology allows Programmes/Schedules to be developed collaboratively, in weekly or monthly periods, and enables Schedule Risk Analyses to also be conducted at those levels.

Programme/Schedule Development
Should your project require Programme/Schedule development, Australasian Project Planning can provide selected assistance in preparing such Programmes/Schedules.
Programme/Schedule Validation and Preparation
If your project already has a Programme/Schedule, Australasian Project Planning can very rapidly confirm its adequacy for Schedule Risk Analyses, recommend the modifications that may be required and/or undertake the modifications in preparation for Analyses.
Time Related Risk Identification and Quantification
Australasian Project Planning can assist in preparing the Risk Register for Time related risks. This can be undertaken by :

  • Facilitating Time Risk Workshops to collaboratively identify Time Risks.
  • Interviewing or meeting with relevant staff members,
  • Reviewing existing Risk Registers and amending for Time Impacts

More Info

For more information, use the Contact page

Schedule Risk Articles

Read the latest Articles relating to Schedule Risk Analyses below

QRA Simulation

Quantitative Risk Analysis Simulation Quantitative Cost and Schedule Risk Analysis often uses the Monte Carlo method of simulation to model the impacts of various risks. By using variable rather than fixed (deterministic) values, the simulation generates random values...

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Correlation in Schedule Risk – Example

Introduction A key issue when undertaking Schedule Risk Analyses (SRA) is understanding correlation and its significance on results, this article aims to provide a simple example to illustrate correlation, and how SRA results are effected. Dr David Hulett, an expert...

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