Enforce safety rules and regulations. Plan work assignments and equipment allocations to meet transportation, operations or production goals. Confer with customers, supervisors, contractors, or other personnel to exchange information or to resolve problems. Direct workers in transportation or related services, such as pumping, moving, storing, or loading or unloading of materials or people. Resolve worker problems or collaborate with employees to assist in problem resolution. Review orders, production schedules, blueprints, or shipping or receiving notices to determine work sequences and material shipping dates, types, volumes, or destinations. Monitor field work to ensure that it is being performed properly and that materials are being used as they should be. Recommend and implement measures to improve worker motivation, equipment performance, work methods, or customer services. Maintain or verify records of time, materials, expenditures, or crew activities. Interpret transportation or tariff regulations, shipping orders, safety regulations, or company policies and procedures for workers. Explain and demonstrate work tasks to new workers or assign training tasks to experienced workers. Prepare, compile, and submit reports on work activities, operations, production, or work-related accidents. Recommend or implement personnel actions, such as employee selection, evaluation, rewards, or disciplinary actions. Requisition needed personnel, supplies, equipment, parts, or repair services.