My reply to his email was as follows:
I understand that you have encountered some resistance from a consultant who insists on using only the Time Impact Analysis (TIA) method.
I will provide you with a detailed explanation of the main reasons you can use to help the consultant understand the benefits of combining the “Impacted as Planned” (IAP) method with the TIA method.
1. Comprehensive Analysis: The combination of IAP and TIA allows for a more understanding and comprehensive analysis of delays.
By starting with an overall schedule based on the project’s baseline, which incorporates all potential events that may cause delays, you can visually demonstrate the overall impact on the project timeline.
This gives a bird-eye view of the potential delays and their cumulative effect. Also using Impacted as planned as well as Time impact analysis method allows you to build your case on the baseline, which is a verified document from all parties.
This method also will keep us away from the headache of verifying the updates and checking every update value.
2. Identification of Specific Events: After creating the overall schedule, you can then break it down into smaller schedules (Windows) to analyze the impact of each event individually.
This step is important in understanding the specific causes of delays and assessing their effect on the project.
It provides a detailed breakdown of each event’s contribution to the overall delay, allowing for more accurate analysis and potential mitigation strategies.
3. Evidence and Documentation: The combination of IAP and TIA helps in providing solid evidence and documentation to support your delay claims.
By utilizing the IAP method, you can establish a clear baseline and demonstrate how the project was initially planned.
Comparing this baseline with the other schedules based on the TIA method allows you to showcase the impact of events on the project timeline, supporting your claims with concrete evidence.
4. Mitigation Strategies: Another advantage of using both techniques is the ability to develop effective mitigation strategies.
By analyzing the individual impact of each event, you can identify critical activities and potential mitigation measures -In case that you are the main reason of some delays, and you want to mitigate them-.
This detailed understanding helps in developing realistic and effective strategies to minimize delays and their impact on the project’s overall schedule.
It is important to note that while the TIA method is widely used and recognized by many consultants, combining it with the IAP method provides a more comprehensive and accurate analysis of project delays.
The IAP method helps establish the project’s initial plan and baseline, while the TIA method allows for a detailed assessment of delays and their impact.
When discussing this with the consultant, I suggest focusing on the benefits mentioned above, emphasizing the comprehensive analysis, evidence-based approach, and potential for developing effective mitigation strategies.
If you have any further questions or need additional guidance, please do not hesitate to reply to this topic.