• Light-duty equipment refers to vehicles or equipment designed for off-road use in support roles, primarily for transporting personnel, tools, and light materials within facilities, construction sites, or other restricted-access areas. Examples of equipment covered under this category include: utility vehicles, golf carts, forestry equipment, and forklifts. • Heavy-duty equipment includes vehicles used primarily in the construction, maintenance, and repair of critical infrastructure such as dams, pipelines, reservoirs, water treatment plants, and flood control systems. Because this equipment is typically operated in remote or rugged environments where roads are unavailable or unsuitable, it requires specialized maintenance support. Examples of equipment covered under this category include: Excavators, backhoes, loaders, tractors, dozers and graders, compaction and paving equipment, and trenchers.