Must be able to both walk and ride a mountain bike (main source of transportation) for long distances and/or long hours outside in all elements (exposure to extreme weather conditions; close proximity to moving vehicles and dangerous traffic; exposure to exhaust, fumes, odors and noise; work on slippery or uneven surfaces). Depending on assignment, positions in this class typically require touching, talking, hearing, seeing, grasping, standing, stooping, kneeling, crouching, reaching, walking, repetitive motions, climbing, balancing, pushing, pulling and lifting; depending on assignment.