Categorical Exclusion Determinations: B4.6

Line 3007 Structure Replacement Project for Flood Prone Areas CX(s) Applied: B4.6Date: 06/24/2015 Location(s): ArkansasOffices(s): Southwestern Power Administration

Horn Rapids Tap Disconnect Additions CX(s) Applied: B4.6Date: 06/17/2015 Location(s): WashingtonOffices(s): Bonneville Power Administration

Chehalis District Access Road Maintenance CX(s) Applied: B4.6Date: 06/15/2015 Location(s): WashingtonOffices(s): Bonneville Power Administration

Fiscal Year 2015 Snohomish District Danger Pole Replacement Project (Update to previous CX issued 4/23/15) CX(s) Applied: B4.6Date: 06/10/2015 Location(s): WashingtonOffices(s): Bonneville Power Administration

Keeler-Forest Grove Transmission Line Structure Relocations CX(s) Applied: B4.6Date: 06/03/2015 Location(s): OregonOffices(s): Bonneville Power Administration

Waterflow Substation Phase Shifter Transformer Replacement San Juan County, CO CX(s) Applied: B4.6Date: 05/01/2015 Location(s): ColoradoOffices(s): Western Area Power Administration-Rocky Mountain Region

Collbran Substation Conduit Installation and Breaker Replacement Mesa County, CO CX(s) Applied: B4.6Date: 05/01/2015 Location(s): ColoradoOffices(s): Western Area Power Administration-Rocky Mountain Region

Mead Substation Stage 15- Foundation Rebuilds and Transformer Connections CX(s) Applied: B4.6Date: 04/23/2015 Location(s): NevadaOffices(s): Western Area Power Administration-Desert Southwest Region

NERC Alert Phase III Transmission Line Structure Replacement Project CX(s) Applied: B4.6Date: 04/16/2015 Location(s): OklahomaOffices(s): Southwestern Power Administration

Sappho Substation Expansion CX(s) Applied: B4.6Date: 04/07/2015 Location(s): WashingtonOffices(s): Bonneville Power Administration