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Level: Advanced
TCM Section(s):
6.4. Forensic Performance Assessment
7.2. Schedule Planning and Development
Venue: 2020 AACE International Conference & Expo
Abstract: Quantifying the impact of concurrent delays due to differing site conditions, weather, and quality issues transcends merely revising schedule durations. Differing site conditions typically occur early in the project, directly or indirectly impacting subsequent activities. When concurrent delays for weather and contractor quality problems are added to the mix, forensic analysis becomes complex. The issue is further complicated by the fact that the courts have recognized four different methods for using critical path method for forensic delay analysis. The paper demonstrates linear scheduling method as a tool to visualize the as-built and the as-planned schedules in a single graphic. The tool combines contractor daily work report data with visualizations of the geotechnical baseline report, actual weather data, and quality control reports. The paper demonstrates the approach by applying it to a delay claim found on an earthen dam project that was part of the Panamá Canal Expansion project. The paper concludes that the proposed tool furnishes a common ground for explaining contractor and owner-caused delays, providing a common foundation from which to negotiate schedule impact.
TCM Section(s):
6.4. Forensic Performance Assessment
7.2. Schedule Planning and Development
Venue: 2020 AACE International Conference & Expo
Abstract: Quantifying the impact of concurrent delays due to differing site conditions, weather, and quality issues transcends merely revising schedule durations. Differing site conditions typically occur early in the project, directly or indirectly impacting subsequent activities. When concurrent delays for weather and contractor quality problems are added to the mix, forensic analysis becomes complex. The issue is further complicated by the fact that the courts have recognized four different methods for using critical path method for forensic delay analysis. The paper demonstrates linear scheduling method as a tool to visualize the as-built and the as-planned schedules in a single graphic. The tool combines contractor daily work report data with visualizations of the geotechnical baseline report, actual weather data, and quality control reports. The paper demonstrates the approach by applying it to a delay claim found on an earthen dam project that was part of the Panamá Canal Expansion project. The paper concludes that the proposed tool furnishes a common ground for explaining contractor and owner-caused delays, providing a common foundation from which to negotiate schedule impact.