Designs and assists in the design of reservoirs, retaining walls, bridges, culverts, tunnels, pipelines, sewers, sidewalks, highways, and other concrete, steel, and timber structures; computes grades and alignments, loading, and stresses; determines the size, proportion, and dimensions of structures. Other Leaves: You may be eligible for other leaves, including Family Leave, Funeral Leave, Leave Sharing, Military Leave, Donor Leave, Victims Protection Leave, as well as leave for Parent-Teacher Conferences, Disaster Relief, Blood Bank Donations, and Jury Duty.