March 2014

Review of the Hanford Site Waste Treatment and Immobilization Plant Construction Quality

This report documents the results of an independent oversight review of selected aspects of construction quality at the Hanford Site Waste Treatment and Immobilization Plant (WTP).  The review, which was performed November 12-15, 2013, was the latest in a series of ongoing quarterly assessments of construction quality performed by the U.S. Department of Energy Office of Enforcement and Oversight (Independent Oversight), within the Office of Health, Safety and Security.  The scope of this quarterly assessment of construction quality review included observations of ongoing work activities, review of the Bechtel National, Inc. (BNI) corrective action program, examination of implementation of selected requirements in the BNI quality assurance program, and follow-up on issues identified during previous assessments.