Systematic Approach for Determining Construction Contract Time: A Guidebook (2022) / Chapter Skim
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Pages 104-117
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104 e FHWA (2014) recommends that DOTs periodically review internal procedures for determining contract time and include a comparison of actual construction time against the originally estimated contract time for completed projects to determine whether the procedures used resulted in appropriate contract time performance.
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Post-Construction Contract Time Evaluation and Feedback Loop 105 Measures for the Accuracy of Contract Time e accuracy of the contract time of a project can be evaluated by the percentage error (see Equation 1)
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106 Systematic Approach for Determining Construction Contract Time: A Guidebook ∑ = = (7) 1Modified percentage error of M MPE n i jj n i i ese overall percentage errors are then used to make comparisons among di erent CTD methods.
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Post-Construction Contract Time Evaluation and Feedback Loop 107 6.2 Post-Construction Contract Time Feedback Loop e highway construction sector is o en regarded as an experience-based industry because most decisions in this sector, including establishing the contract time of a project, are typically made based on professional experience and engineering judgment on readily available information. However, despite its heavy reliance on experiential knowledge, the sector doesn't always have ecient knowledge management and transfer.
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Figure 6-2. Contract time feedback loop along the project delivery process.
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Post-Construction Contract Time Evaluation and Feedback Loop 109 Some capture LLs at the end of a project but seem to never do anything with them. Some do store these LLs, but the lessons are scattered across numerous project folders, and no easy means of retrieving the lessons exist.
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110 Systematic Approach for Determining Construction Contract Time: A Guidebook Step 1: Collect. The collection of learning opportunities should not be limited to occur at the end of a project.
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Post-Construction Contract Time Evaluation and Feedback Loop 111 Step 1 -- Collect The methods and tools used in this step.
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112 Systematic Approach for Determining Construction Contract Time: A Guidebook Step 2: Analyze. The main purpose of this step is to transform raw data into actionable recommendations.
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Post-Construction Contract Time Evaluation and Feedback Loop 113 Step 2 -- Analyze The methods and tools used in this step.
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114 Systematic Approach for Determining Construction Contract Time: A Guidebook Step 3: Archive. Archiving not only encompasses the storing aspect of data and/or lessons, it requires the stored information to be easily accessible and support the need for future projects.
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Post-Construction Contract Time Evaluation and Feedback Loop 115 Step 4: Disseminate. Knowledge dissemination is the most important element in completing the feedback loop because lessons are of little benefit unless they are distributed and used by people who will benefit from them.
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116 Systematic Approach for Determining Construction Contract Time: A Guidebook Step 4 -- Disseminate The methods and tools used in this step.
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Post-Construction Contract Time Evaluation and Feedback Loop 117 6.2.3 Additional Guidance on an Effective LLs Program Learn from Both Failures and Successes It is crucial to recognize that maximum learning potential is only attained when an organization learns from both its failures and its successes. Most DOTs understand they are bound to repeat similar situations if they do not learn from their mistakes.
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