The document discusses various types of contract structures and payment methods for construction projects. It describes conventional/traditional contracts, turnkey contracts, design-build contracts, construction management contracts, and guaranteed maximum price contracts. It also covers factors that determine the appropriate contract structure for a project, such as complexity, schedule, client experience, regulations and risk allocation. Finally, it discusses various methods for determining payment, including lump sum, remeasurement/bill of quantities, and cost reimbursement approaches.