Categorical Exclusion Determinations: B1.3

Dry Pipe System Sprinkler Piping Replacement Projects CX(s) Applied: B1.3 Date: 05/14/2012 Location(s): Tennessee Offices(s): Y-12 Site Office

Building 8 Compressor Aftercooler Rupture Disc Overflow Piping Project CX(s) Applied: B1.3, B1.15 Date: 05/09/2012 Location(s): West Virginia Offices(s): National Energy Technology Laboratory

Big Thompson to Flatiron 13.8 Kilovolt Transmission Line Structure Replacement CX(s) Applied: B1.3 Date: 05/09/2012 Location(s): Colorado Offices(s): Western Area Power Administration-Rocky Mountain Region

Archer to Ault 230 Kilovolt Transmission Line Structure Replacement, Weld County, Colorado CX(s) Applied: B1.3 Date: 05/09/2012 Location(s): Colorado Offices(s): Western Area Power Administration-Rocky Mountain Region

Western Area Power Administration and Tri-State Generation and Transmission Association, Inc. Fiber Optic Installation Project From Beaver Creek to Big Sandy Substations Morgan, Washington, and Lincoln Counties, Colorado CX(s) Applied: B1.3 Date: 05/0...

730-1B 3rd Floor Office Renovation CX(s) Applied: B1.3 Date: 05/08/2012 Location(s): South Carolina Offices(s): Savannah River Operations Office

Clean, Seal, and Paint West Hackberry Buildings RW MCC 392, Substation 390 and MCC 317 CX(s) Applied: B1.3 Date: 05/08/2012 Location(s): Louisiana Offices(s): Strategic Petroleum Reserve Field Office

Replacement of A-Area Critical Fire Hydrants 3001, 3013, 3018, & 3032 CX(s) Applied: B1.3 Date: 05/07/2012 Location(s): South Carolina Offices(s): Savannah River Operations Office

Electrical Upgrade at 681-3G CX(s) Applied: B1.3 Date: 05/07/2012 Location(s): South Carolina Offices(s): Savannah River Operations Office

Estes Park to Mary's Lake West 115 Kilovolt Transmission Line Structure Replacement CX(s) Applied: B1.3 Date: 05/02/2012 Location(s): Colorado Offices(s): Western Area Power Administration-Rocky Mountain Region