The normal and crash duration with cost for various activities involved in a repair work is given below. The direct cost for supervision of the work is also indicated. Task Pred Optimistic (Days) Most likely likely (Days) Pessimistic (Days) Res 1 (L.E) Res 2 (Workers) 15 100 1 2 Crash Crash Time Cost Days) (LE) 230 1170 880 250 B C114 115 co oooo " 118 880 150 13 6 BD 2 180 26 C.E 1 14 14 15 6 F 210 J12 4 TGH 200 1 3 2 320 K11 | 15 | G HD | 200 1318825 8 J1200 420 The administrative cost of the project is L.E 250 per day. i Draw the 'AOA network diagram for these activities. (0.5 mark) 11- Draw the 'AON network diagram for these activities. (0.5 mark) 111- Calculate the ES, EF, LS, LF, and TF for each activity. (1 mark) State the activities on critical path? (0.5 mark) V- What is the standard deviation of the project? (0.5 mark) vi- What is the normal completion time for the project? (0.5 mark) vii- What is the probability of completing the project in 52 days? (0.5 mark) viii- Draw the Gantt Chart for resource 2 based on ES times (1 mark) ix- Draw the Gantt Chart for resource 2 based on LS times (1 mark) x- Draw the resource 2 profile based on ES times (1 mark) Draw the resource 2 profile based on LS times (1 mark) Make a resource 2 leveling of 5 workers? (0.5 mark) xiii- Draw the S-curve based on ES and LS times for Res 1 on the same graph (1 mark) xiv- What is the initial total cost of the project? (0.5 mark) XV- Construct a detailed table for the cost of crashing the project? (1 mark) xvi- What is the total project cost crashed to 36 days, 34 days? (2 marks) xvii- What is the optimum cost of the project and at what project duration? (1 mark) xviii- What is the ultimate crash time and ultimate total project cost? (1 mark)