The National Academies

NCHRP 08-114 [Final]

Systematic Approach for Determining Construction Contract Time: A Guidebook

  Project Data
Funds: $500,000
Research Agency: Texas A&M University
Principal Investigator: David Jeong, Ph. D.
Effective Date: 7/27/2018
Completion Date: 8/30/2020
Comments: Work completed under NCHRP 08-114A and published as NCHRP Research Report 979

The objective of this research was to develop a guidebook that DOTs can use to establish and maintain a systematic approach to determining credible and defensible contract times for projects using conventional and alternative contracting methods (e.g., design-bid-build without or with completion incentives and disincentives, design-build, construction-manager/general-contractor (CMGC), and other variations). The guidebook should address at least the following topics:
  • Key factors that influence contract time duration and uncertainty, for example construction production rates, regional conditions, involvement of utilities, project priority or significance, technology advancement, and contracting strategy
  • ·A framework for defining and evaluating the components of contract time, such as construction methods, site conditions, and project scope and complexity
  • Definition and measurement of effectiveness of techniques and processes for contract time determinations
  • Methodologies for making credible and defensible estimates of contract time
  • The relationship of contract time to risk management
  • Strategies for post-project contract-time evaluation and other methods to improve effectiveness of contract time determination
  • Strategies for developing, maintaining, and effectively applying experience and knowledge of contract-time determination throughout the agency

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