((a)) ** In general** In the case of a flood risk management or coastal storm risk management project in a region of moderate or high seismic hazard, for the purpose of a benefit-cost analysis for the project, the Secretary shall not include in that analysis any additional design and construction costs resulting from addressing seismic concerns.
((b)) ** Savings provision** Except with respect to the benefit-cost analysis, the additional costs referred to in subsection (a) shall be—
((1)) included in the total project cost; and
((2)) subject to cost-share requirements otherwise applicable to the project.