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Step 8. St David’s in 61 months
Crash activity I one period to 28 periods for a cost of £10M.
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.
Step 5. St David’s in 64 months
Crash activity H one period to 11 periods for a cost of £7M.
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.
Step 3. St David’s in 66 months
Crash activity B one period to 6 periods for a cost of £2M.
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.
St David’s 2 Shopping Centre
A Project Case Study
“St David’s 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.
Step 1. St David’s in 68 months
Crash activity B one period to 8 periods for a cost of £2M.
Activities A, B, C, H, I, M and Q are critical. The project duration is 68 months.
Step 7. St David’s in 62 months
Crash activity I one period to 29 periods for a cost of £10M.
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.
Step 9. St David’s in 60 months
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 foቤተ መጻሕፍቲ ባይዱlowing information
C o s tt o c r a s h b y o n e p e r i o d = C r a s h c o s t N o r m a lc o s t N o r m a lt i m e C r a s h t i m e
Step 4. St David’s in 65 months
Crash activity C one period to 2 periods for a cost of £5M.
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.
Step 6. St David’s in 63 months
Crash activity H one period to 10 periods for a cost of £7M.
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.
Step 2. St David’s in 67 months
Crash activity B one period to 7 periods for a cost of £2M.
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.