[DNFSB LETTER HEAD]
July 15, 2008
The Honorable Thomas P. D' Agostino
National Nuclear Security Administration
Dear Mr. D'Agostino:
The staff of the Defense Nuclear Facilities Safety Board (Board) recently performed a review of the Preliminary Documented Safety Analysis (PDSA) for the Waste Solidification Building (WSB) to be constructed at the Savannah River Site. The Board's staff identified several issues that warrant your attention. These issues have been communicated to personnel from the National Nuclear Security Administration site office and the design contractor. The contractor has already begun to address some of these issues through revisions to the PDSA. Remaining significant issues include the following.
The enclosed report details the issues identified by the Board's staff. Therefore, pursuant to 42 U.S.C. § 2286b (d), the Board requests a briefing on the resolution of these issues prior to approval of the Critical Decision 2/3 milestone.
Mr. R. Kevin Hall
Mr. Mark B. Whitaker, Jr.
Mr. Robert J. McMorland