53. Define construction management and its objectives. (3 marks) 54. What are the different stages of a construction project? (3 marks) 55. Explain the role of project scheduling in construction management. (3 marks) 56. What is the importance of cost estimation in construction projects? (3 marks) 57. Describe the concept of quality control in construction. (3 marks) 58. Explain the role of safety management in construction. (3 marks) 59. What are the different types of contracts used in construction? (3 marks)