Systematic Approach for Determining Construction Contract Time: A Guidebook (2022) / Chapter Skim
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A-1 A P P E N D I X A Tools CHAPTER 2. CTD GUIDE FOR DESIGN-BID-BUILD PROJECTS T2.1: Project Duration Estimation Methods What Is It?
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A-2 Systematic Approach for Determining Construction Contract Time: A Guidebook The pros and cons provided by the tool will be particularly helpful for those DOTs that are planning to adopt any of these methods. By understanding the strengths and limitations of each method, DOTs can make a better decision on which method to adopt that will fit best with their current practices and risk tolerance.
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Tools A-3 T2.2: Project-Specific Production Rates What Is It? Project-specific production rate is necessary for establishing a reliable estimate of project duration.
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A-4 Systematic Approach for Determining Construction Contract Time: A Guidebook phasing, (6) working time restrictions, (7)
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Tools A-5 Note: The Montana DOT has a production rate (PR) estimation tool considering district, location type (urban or rural)
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A-6 Systematic Approach for Determining Construction Contract Time: A Guidebook T2.3: Generic Tool for Production Rate Estimation (GENPRET)
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Tools A-7 How to Use It? Steps for tool development: 1.
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A-8 Systematic Approach for Determining Construction Contract Time: A Guidebook T2.4: Influential Factors on Project Duration Estimation and Contract Time Determination What Is It? The majority of DOTs have a formal contract time determination (CTD)
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Tools A-9 To use this tool as a checklist, evaluate whether each factor has been considered in the CTD and perform the following: • Select "Yes" to indicate the factor has been accounted for. The factor will then be highlighted in green.
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A-10 Systematic Approach for Determining Construction Contract Time: A Guidebook T2.5: From PDE to CTD (PD2CT)
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Tools A-11 • Shutdown periods and specific non-working days. • Constraints on the completion date.
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A-12 Systematic Approach for Determining Construction Contract Time: A Guidebook T2.6: Montana DOT's Production Rate Estimation Tool (MDT-PRET)
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Tools A-13 3. Enter the quantities of controlling activities relevant to the project in Column D of the "Production Rate Estimates" sheet.
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A-14 Systematic Approach for Determining Construction Contract Time: A Guidebook T2.7: Wisconsin DOT (WisDOT) Productivity Estimation Tool (PET)
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Tools A-15 How to Use It? For more detailed instructions, please refer to the user guide of this tool (see Tips)
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A-16 Systematic Approach for Determining Construction Contract Time: A Guidebook CHAPTER 3.
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Tools A-17 What Does It Do? CA4PRS has a user-friendly interface.
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A-18 Systematic Approach for Determining Construction Contract Time: A Guidebook Table A-2. CA4PRS results for the I-15 Devore project near Los Angeles by Caltrans.
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Tools A-19 Tips CA4PRS can help agencies prepare strategies (including the PS&E package) for highway projects by: • Estimating working days and CPM schedules.
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A-20 Systematic Approach for Determining Construction Contract Time: A Guidebook T3.2: Primavera P6 What Is It? Primavera P6 is designed to handle large-scale, highly sophisticated, and multifaceted projects.
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Tools A-21 How to Use It? Primavera P6 can be a powerful tool in developing well-devised scheduling and resource allocation plans for large complex transportation projects, which many urban projects are.
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A-22 Systematic Approach for Determining Construction Contract Time: A Guidebook Khwaja, N
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Tools A-23 T3.3: QuickZone What Is It? QuickZone is a user-friendly, spreadsheet-based traffic analysis tool developed by FHWA.
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A-24 Systematic Approach for Determining Construction Contract Time: A Guidebook • Data on the roadway facility under construction and adjacent alternative routes in the travel corridor. • Data on the work zone strategy and phasing plan, including anticipated capacity reductions due to the work zone.
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Tools A-25 T3.4: CO3 What Is It? The Construction Congestion Cost System (CO3)
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A-26 Systematic Approach for Determining Construction Contract Time: A Guidebook T3.5: KY-CTDS What Is It? KY-CTDS is a regression-based contract time determination (CTD)
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Tools A-27 T3.6: Illinois Construction Scheduling Expert System What Is It? The Illinois Construction Scheduling Expert System (ICSES)
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A-28 Systematic Approach for Determining Construction Contract Time: A Guidebook For more information, please visit IDOT documentation of ICSES: http://www.idot.illinois.gov/Assets/uploads/files/Doing-Business/Manuals-Guides-&Handbooks/Highways/ICSES/ExpertSystemUserManual03_01_2015.pdf. Tips This tool was developed specifically for IDOT and references production and climate historic records particular to Illinois.
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Tools A-29 CHAPTER 4. CTD GUIDE OF ALTERNATIVE PRR OJECT DELIVERY METHODS T4.1: Preconstruction Activity Duration Checklist What Is It?
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A-30 Systematic Approach for Determining Construction Contract Time: A Guidebook T4.2: Preconstruction Period Estimation Tool What Is It? Alternative project delivery methods, such as design-build (DB)
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Tools A-31 The first step will help users to identify design work packages that need to be included in the preconstruction period. Then, users will list out major preconstruction activities associated with each of the preconstruction work packages, as well as any milestones that will constrain the preconstruction schedule.
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A-32 Systematic Approach for Determining Construction Contract Time: A Guidebook CHAPTER 5. RELATIONSHIP OF CONTRACT TIME TO RISK MANAGEMENT T5.1: Risk Breakdown Structure What Is It?
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Tools A-33 Figure A-3. Exemplary risk breakdown structure.
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A-34 Systematic Approach for Determining Construction Contract Time: A Guidebook Example An Excel template was developed for reference. The categorization in the exemplary Excel sheet is not a standard one because each DOT may have its own way of classification.
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Tools A-35 T5.2: Risk Mitigation Plan What Is It? A risk mitigation plan (RMP)
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A-36 Systematic Approach for Determining Construction Contract Time: A Guidebook Figure A-5. Risk register and mitigation plan template.
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Tools A-37 CHAPTER 6. POST-CONSTRUCTION CONTRACT TIME EVALUATION AND FEEDBACK LOOP T6.1: Post-Construction Contract Time Performance Evaluation Checklist What Is It?
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A-38 Systematic Approach for Determining Construction Contract Time: A Guidebook What Does It Do? This checklist aims to help DOTs assess their performance in determining and executing the contract time of a project.
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