Specifications include, but are not limited to: The below project requirements are being requested for the I-15 North Clark County 215 Interchange
Improvements project (the project) in compliance with the Federal Highway Administration (FHWA)
Programmatic Biological Opinion File Nos. 94320-2010-F-0285.R001 and the appended project-level
Biological Opinion File No. 08ENVS000-2014-F-0148 (BO). The BO defines the tortoise active season
as March 16-May 31, and September 1-October 31. Biological monitors are to be selected by and
overseen by the project’s Authorized Desert Tortoise Biologist (ADTB).