Contract for Engineering Services
We audited $61.92 million in costs billed to TVA by a contractor, under two contracts for performing engineering services between October 2004 and December 2008 and found TVA had been overbilled $683,122 as follows:TVA was overbilled $70,838 because labor costs were billed using hourly billing rates instead of cost reimbursable payment terms as required by the contracts.TVA was billed $558,463 in ineligible and excessive temporary living costs because (1) short-term daily travel rates were paid to employees instead of (lower) long-term temporary living allowances, and (2) unauthorized local