AMEC Environment and Infrastructure, Inc.

The OIG audited costs billed to the Tennessee Valley Authority (TVA) by AMEC Environment and Infrastructure, Inc., for a broad range of geotechnical services to support engineering design for structures, earthwork, and environmental projects under Contract No. 21705. Our audit included $5.33 million in costs billed between June 1, 2009, and October 23, 2012. Our objective was to determine if the costs billed to TVA were in compliance with the contract terms and conditions.In summary, we determined AMEC overbilled TVA an estimated $100,441. The overbilling included an estimated (1) $63,196 in labor costs, (2) $14,693 in transportation and subsistence costs, (3) $13,243 in unit rate costs, (4) $8,709 in miscellaneous costs, and (5) $600 in unclassified costs. Summary Only