CX-006490: Categorical Exclusion Determination

Bat Roost Tower ConstructionCX(s) Applied: B1.20Date: 08/11/2011Location(s): Richland, WashingtonOffice(s): Office of River Protection-Richland Office

Office of NEPA Policy and Compliance

August 11, 2011
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Bat Roost Tower Construction
CX(s) Applied: B1.20
Date: 08/11/2011
Location(s): Richland, Washington
Office(s): Office of River Protection-Richland Office

The U.S. Department of Energy, Richland Operations Office (RL) will be performing minor excavation and small scale construction activities associated with construction of the 1140 Bat Roost Tower adjacent to the 182-0 facility located in the 100-0 Area of the Hanford Site. Bat Roost construction supports the protection of a significant roost site for Yuma myotis, pallid, and canyon bats that were discovered to be utilizing the 183-0 filter building headhouse, and potentially the clearwells, as a maternity colony during summer months. Construction of the bat roost will serve as mitigation for habitat that will be removed following demolition of the 183-0 filter building, and one of the clearwells, which are scheduled to be performed within the next year.

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