This document discusses site management for a civil engineering course. It covers time-cost trade-offs, cost control techniques, and the importance of management information systems. For time-cost trade-offs, it defines terms like normal time, crash time, and cost slope. It provides an example of crashing project activities to reduce duration. For cost control, it lists techniques like planning budgets, tracking costs, time management, and change control. Finally, it discusses the requirements of an effective project management information system, including planning, budgeting, resource management, reporting, and data integration.