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CX-007172: Categorical Exclusion Determination

Tucson-Apache Erosion Repair & Cactus Relocation
CX(s) Applied: B1.3
Date: 02/23/2011
Location(s): Pima County, Arizona
Office(s): Western Area Power Administration-Desert Southwest Region

Western proposes to construct a new access road along the existing Tucson-Apache 115-kilovolt (kV) transmission line within the existing right-of-way and to repair erosion damage at transmission line structures. Access road construction will consist of stripping, clearing and removing vegetation and blading and leveling to create a road within the existing right-of-way between structures 24/7-25/2 & 25/3- 26/5. We will be installing two gates to limit right-of-way access from Houghton Road. We will be creating reinforced embankments through the placement of structural fill where necessary for access to transmission line structures and applying an EPA approved herbicide in repaired areas. We will be repairing eroded areas and installing culverts adjacent to structures 24/1, 24/7 -25/5 & 25/7 -26/5. Cactus relocation will consist of relocating saguaro, barrel, hedgehog and mammilaria cacti from within the work areas to outside the work areas but within Western's existing, right-of-way. A contractor or Western will use dozers, front end loaders, motor graders, dump trucks, transport trucks, water trucks, crew trucks and pickup trucks during construction and to bring equipment and personnel to the project area. This work is necessary to maintain the safety and reliability of the bulk electrical system.