Must be able to work indoors, underground, outdoors, in confined spaces, in trenches, on level, slippery, sloping, unstable, and muddy terrain, and under constantly noisy conditions; and work in adverse environmental conditions to include inclement weather such as rain, sleet, snow, heat, sun exposure, and hazardous conditions such as mechanical, fume odor, dust/mist, chemical; and exposure to insects, noxious plants, and snakes. Installs, repairs, maintains, and fabricates all regulatory, warning, construction, guide, and special signs in accordance with the Texas Manual of Uniform Traffic Control Devices (TMUTCD) and Federal Manual of Uniform Traffic Control Devices (MUTCD).