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Integrated Baseline Review (IBR) Toolkit

Last Updated : 03/27/2014

According to this Naval Center for Earned Value Management (CEVM) Integrated Baseline Review (IBR) Toolkit, “An IBR is a formal review conducted by the government program manager and technical staff, jointly with their contractor counterparts, following contract award to verify the technical content of the performance measurement baseline (PMB) and the accuracy of the related resource (budgets) and schedules. An IBR will also be performed when work on a production option of a development contract begins or, at the discretion of the program manager, when a major modification to an existing contract significantly changes the existing PMB. When major events occur within the life of a program, e.g. PDR, CDR, etc., and a significant shift in the content and/or time-phasing of the PMB occurs, the PM may conduct a review of those areas affected by the change with the associated resources and schedules. The intent is for the IBR to be a continuous part of the process of program management by both the government and the contractor. In accordance with DFAR 252.242-7001, the Government will conduct an IBR when an EVMS is required. Refer to the CEVM EVM Contract Requirements Toolkit for more guidance on meeting FAR requirements for pre-award IBR, post-award IBR and contract threshold amounts. The purpose of the IBR is to verify the technical content and the realism of the related performance budgets, resources, and schedules. It should provide a mutual understanding of the inherent risks in contractors’ performance plans and the underlying management control systems, and it should formulate a plan to handle these risks. (The) IBR Objectives (include):

  • Assess the adequacy of the Performance Measurement Baseline (PMB) (scope, schedule, budget, resources and management processes) including identification of associated risks 
  • Achieve a mutual understanding of the PMB and its relationship to the underlying Earned Value Management System (EVMS) 
  • Insure all tasks are planned and can be measured objectively, relative to technical progress; and that managers have appropriately implemented required management processes. 
  • Attain agreement on a plan of action to evaluate the identified risks 
  • Quantify the identified risks and incorporate in an updated Estimate At Completion (EAC)” 

Processes Supported

  • Other 

Departments Associated

  • Navy / Marine Corps

Integrated Product Support Elements Addressed


This product support analytical tool was identified as part of a database provided solely to assist defense acquisition workforce professionals to identify best value product support solutions which optimize system readiness and life cycle cost. Neither the Department of Defense or the Defense Acquisition University provide any warranty of these tools whatsoever, whether express, implied, or statutory, including, but not limited to, any warranty of merchantability or fitness for a particular purpose or any warranty that the contents of the item will be error-free. This analytical tools database should under no circumstances be considered as being all-encompassing, and is in no-wise meant to endorse the capabilities or products of any particular individual, company, or organization.


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