Categorical Exclusion Determinations: B1.3

The proposed work activity is to drain three totes containing wastewater from the F-Canyon Railroad Tunnel Sump (RRTS) to the Effluent Treatment Fa…
Part of the roof of Building 281-19F was previously damaged during a storm. The building does not require a roof and to eliminate a potential safet…
Cut out 2 blisters and install a 20 feet x 3 feet patch using cement and membrane. Install a 3 inches drain insert using water block and an 8 feet …