National Academies Press: OpenBook

Digital Model–Based Project Development and Delivery: A Guide for Quality Management (2025)

Chapter: Appendix C: Review Documentation Property Set

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Page 73
Suggested Citation:"Appendix C: Review Documentation Property Set." National Academies of Sciences, Engineering, and Medicine. 2025. Digital Model–Based Project Development and Delivery: A Guide for Quality Management. Washington, DC: The National Academies Press. doi: 10.17226/29171.
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APPENDIX C

Review Documentation Property Set

This appendix contains a collection of 3D modeling terms, definitions, references, synonyms, attributes, and metadata about the design and 3D model–review process and documentation (Table C-1). This vocabulary list can serve as a starting point for agencies to develop their own lists of synonyms. Agencies need to manage their own vocabularies so they can cross-reference different standards.

Table C-1. Review documentation property set.

Field 1 Project Identifier
Synonyms Project ID
Requirement Optional
Type String or Integer
Contents 6–40 alphanumeric characters (string) or 0–999,999,999 (integer)
Description A project number or another identifier that can be used to connect review documentation to the project dataset.
Field 2 Document Type
Synonyms N/A
Requirement Optional
Type String
Contents 3–40 alphanumeric characters
Description The type of document being reviewed (e.g., calculations, design model), which could come from a lookup list.
Field 3 Milestone
Synonyms N/A
Requirement Optional
Type String
Contents 6–40 alphanumeric characters (string)
Description The stage of the project development life cycle in which the review occurred. Should be populated by a lookup list.
Field 4 Discipline
Synonyms N/A
Requirement Optional
Type String
Contents 6–40 alphanumeric characters (string)
Description The discipline of the content being reviewed. Should be populated using a lookup list.
Page 74
Suggested Citation:"Appendix C: Review Documentation Property Set." National Academies of Sciences, Engineering, and Medicine. 2025. Digital Model–Based Project Development and Delivery: A Guide for Quality Management. Washington, DC: The National Academies Press. doi: 10.17226/29171.
×
Field 5 Functional Area
Synonyms N/A
Requirement Optional
Type String
Contents 6–40 alphanumeric characters (string)
Description The subdiscipline/functional area of the content being reviewed. Should be populated using a lookup list. Can use the “Functional Areas” taxonomy.
Field 6 Review Type
Synonyms Scope
Requirement Optional
Type String
Contents 6–500 alphanumeric characters (string)
Description A description of the review’s specific purpose. Could be populated using the “Review Type” taxonomy.
Field 7 Review Criteria
Synonyms N/A
Requirement Optional
Type String
Contents 6–500 alphanumeric characters (string)
Description The standard against which the review is executed (e.g., code, manual, checklist).
Field 8 Originator
Synonyms Designer, Drafter
Requirement Required
Type String
Contents 6–40 alphanumeric characters (string)
Description The name of the individual responsible for the content being reviewed. The project manager is responsible for implementing the quality management process, but a review may be initiated by a designee, such as a discipline lead or model author.
Field 9 Transmittal Date
Synonyms N/A
Requirement Required
Type Date or String
Contents Date or String
Description The date on which the originator submitted materials for review.
Field 10 Reviewer
Synonyms Checker
Requirement Required
Type String
Contents 6–140 alphanumeric characters (string)
Description The name of the individual responsible for reviewing the content.
Page 75
Suggested Citation:"Appendix C: Review Documentation Property Set." National Academies of Sciences, Engineering, and Medicine. 2025. Digital Model–Based Project Development and Delivery: A Guide for Quality Management. Washington, DC: The National Academies Press. doi: 10.17226/29171.
×
Field 11 Review Date
Synonyms N/A
Requirement Required
Type Date or String
Contents >1/1/2020 (date) or 6–40 alphanumeric characters (string)
Description The date on which the reviewer completed their review.
Field 12 Reviewer Title
Synonyms N/A
Requirement Optional
Type String
Contents 6–140 alphanumeric characters (string)
Description The reviewer’s professional title, included as a way to demonstrate the reviewer’s expertise to justify their position as a reviewer. Some DOTs have seniority requirements for conducting specific review types.
Field 13 Reviewer Credentials
Synonyms N/A
Requirement Optional
Type String
Contents 6–140 alphanumeric characters (string)
Description The reviewer’s credentials (i.e., certifications or other qualifications). Some DOTs require specific types of reviewers to be professional engineers.
Field 14 Back Checker
Synonyms N/A
Requirement Optional
Type String
Contents 6–140 alphanumeric characters (string)
Description The name of the person who goes over the reviewer’s comments and markup and resolves issues or areas of nonconcurrence. This person may be the originator. May not be required for early design reviews.
Field 15 Back Check Date
Synonyms N/A
Requirement Optional
Type Date or String
Contents > 1/1/2020 (date) or 6–40 alphanumeric characters (string)
Description The date the back checker completed the back check.
Field 16 Corrector
Synonyms N/A
Requirement Optional
Type String
Contents 6–140 alphanumeric characters (string)
Description The name of the person who made corrections in the design documents. This person may be the originator.
Page 76
Suggested Citation:"Appendix C: Review Documentation Property Set." National Academies of Sciences, Engineering, and Medicine. 2025. Digital Model–Based Project Development and Delivery: A Guide for Quality Management. Washington, DC: The National Academies Press. doi: 10.17226/29171.
×
Field 17 Verifier
Synonyms N/A
Requirement Optional
Type String
Contents 6–140 alphanumeric characters (string)
Description The name of the person who verified that corrections were adequately addressed. This person may be the reviewer.
Field 18 Verification Date
Synonyms N/A
Requirement Optional
Type Date or String
Contents > 1/1/2020 (date) or 6–40 alphanumeric characters (string)
Description The date that corrections were verified.
Field 19 Certifier
Synonyms N/A
Requirement Optional
Type String
Contents 6–140 alphanumeric characters (string)
Description The name of the discipline lead or design manager who certifies that the design was completed to the agency’s specifications and within a comprehensive quality management framework. Typically, only final deliverables are certified.
Field 20 Certification
Synonyms N/A
Requirement Optional
Type Boolean
Contents Yes/No
Description Yes/No, indicates whether the certifier has certified the design.
Field 21 Certification Date
Synonyms N/A
Requirement Optional
Type Date or String
Contents >1/1/2020 (date) or 6–40 alphanumeric characters (string)
Description The date on which the design was certified.
Field 22 Auditor
Synonyms N/A
Requirement Optional
Type String
Contents 6–140 alphanumeric characters (string)
Description The name of the person who audits the project’s quality documentation.
Field 23 Audit Date
Synonyms N/A
Requirement Optional
Type Date or String
Contents >1/1/2020 (date) or 6–40 alphanumeric characters (string)
Description The date on which the auditor audited the quality documentation.
Page 73
Suggested Citation:"Appendix C: Review Documentation Property Set." National Academies of Sciences, Engineering, and Medicine. 2025. Digital Model–Based Project Development and Delivery: A Guide for Quality Management. Washington, DC: The National Academies Press. doi: 10.17226/29171.
×
Page 73
Page 74
Suggested Citation:"Appendix C: Review Documentation Property Set." National Academies of Sciences, Engineering, and Medicine. 2025. Digital Model–Based Project Development and Delivery: A Guide for Quality Management. Washington, DC: The National Academies Press. doi: 10.17226/29171.
×
Page 74
Page 75
Suggested Citation:"Appendix C: Review Documentation Property Set." National Academies of Sciences, Engineering, and Medicine. 2025. Digital Model–Based Project Development and Delivery: A Guide for Quality Management. Washington, DC: The National Academies Press. doi: 10.17226/29171.
×
Page 75
Page 76
Suggested Citation:"Appendix C: Review Documentation Property Set." National Academies of Sciences, Engineering, and Medicine. 2025. Digital Model–Based Project Development and Delivery: A Guide for Quality Management. Washington, DC: The National Academies Press. doi: 10.17226/29171.
×
Page 76
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State departments of transportation (DOTs) have begun changing the medium of construction contract documents from paper or 2D plans to 3D models that are contractually binding. The driver of this major change is the ability for contractors and inspectors to use 3D models directly to support project activities and communicate the design intent. However, changing the medium of construction contract documents has created challenges for state DOTs, including a need for robust review and documentation procedures as well as a lack of automated quality control and quality assurance management processes for 3D models.

NCHRP Research Report 1153: Digital Model–Based Project Development and Delivery: A Guide for Quality Management, from TRB’s National Cooperative Highway Research Program, presents state-of-the-art information to assist state DOTs in their review of 3D models that are contractually binding and to advance the use of digital project development and delivery.

Supplemental to the report are NCHRP Web-Only Document 428: Quality Management for Digital Model–Based Project Development and Delivery, Appendix F Addendum: Review Checklist Spreadsheet, an implementation plan, and a webinar presentation.

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