甘特图 流程图课件.ppt

St Davids 2 Shopping Centre,A Project Case Study,“St Davids 2”Shopping Centre,Question 1.Draw a project network diagram of this project.Determine the shortest time to complete the project.Identify the critical activities.,Project Network Diagram,Activities A,B,C,H,I,M and Q are critical.The project duration is 69 months.,Question 2.Convert the project diagram in a Gantt Chart.Schedule the non-critical activities as late as possible.,Gantt Chart,Question 3.Determine the most cost effective way to complete this project within 56 months given the following information,Step 1.St Davids in 68 months,Activities A,B,C,H,I,M and Q are critical.The project duration is 68 months.,Crash activity B one period to 8 periods for a cost of 2M.,Step 2.St Davids in 67 months,Activities A,B,C,H,I,M and Q are critical.The project duration is 67 months.The accumulated project crash cost is now 4M.,Crash activity B one period to 7 periods for a cost of 2M.,Step 3.St Davids in 66 months,Activities A,B,C,H,I,M and Q are critical.The project duration is 66 months.The accumulated project crash cost is now 6M.,Crash activity B one period to 6 periods for a cost of 2M.,Step 4.St Davids in 65 months,Activities A,B,C,H,I,M and Q are critical.The project duration is 65 months.The accumulated project crash cost is now 11M.,Crash activity C one period to 2 periods for a cost of 5M.,Step 5.St Davids in 64 months,Activities A,B,C,H,I,M and Q are critical.The project duration is 64 months.The accumulated project crash cost is now 18M.,Crash activity H one period to 11 periods for a cost of 7M.,Step 6.St Davids in 63 months,Activities A,B,C,H,I,M and Q are critical.The project duration is 63 months.Activity H was crashed one period to 10 periods for a cost of 7M.The accumulated project crash cost is now 25M.,Crash activity H one period to 10 periods for a cost of 7M.,Step 7.St Davids in 62 months,Activities A,B,C,H,I,M and Q are critical.The project duration is 62 months.The accumulated project crash cost is now 35M.,Crash activity I one period to 29 periods for a cost of 10M.,Step 8.St Davids in 61 months,Activities A,B,C,H,I,M and Q are critical.The project duration is 61 months.The accumulated project crash cost is now 45M.,Crash activity I one period to 28 periods for a cost of 10M.,Step 9.St Davids in 60 months,Activities A,B,C,H,I,M and Q are critical.The project duration is 60 months.The accumulated project crash cost is now 55M.,Crash activity I one period to 27 periods for a cost of 10M.,Step 10.St Davids in 59 months,Activities A,B,C,H,I,M,Q,G and L are critical.The project duration is 59 months.The accumulated project crash cost is now 65M.,Crash activity I one period to 26 periods for a cost of 10M.,Step 11.St Davids in 58 months,Activities A,B,C,H,I,M,Q,G and L are critical.The project duration is 58 months.The accumulated project crash cost is now 76M.,Crash activity I one period to 25 periods for a cost of 10M and crash L one period for a cost of 1M.,Step 12.St Davids in 57 months,Activities A,B,C,H,I,M,Q,G and L are critical.The project duration is 57 months.The accumulated project crash cost is now 87M.,Crash Activity I one period to 26 periods for a cost of 10M and crash L one period for a cost of 1M.,Step 13.St Davids in 56 months,Activities A,B,C,H,I,M,Q,G and L are critical.The project duration is 56 months.The accumulated project crash cost is now 113M.,Crash activity M one period to 2 periods for a cost of 25M and crash L one period for a cost of 1M.,The crash cost project duration trade-off,