IE5541-HW4

Connect nodes 4 5 such that it shows the fact that b

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connect nodes 4-5 such that it shows the fact that B and C both merge to E along with activity D. So E is represented by nodes 5-6. 20 Y B 0 0 A X E 5 30 C 80 D 5 Now we have another burst activity F, G, H. G is expressed by nodes 6-7, F by 6-8, H by 6-9 and I by 6-10. Since F, G, H, I all merge into J we use dummy activities of 0 duration called S which connects G to F(7-8). Another dummy activity T is used to connect nodes 8-11 such that it shows the fact that F and G both merge to node 11 and eventually to activity J. Similarly we use dummy activities of 0 duration called U which connects I to H(9-10) and another dummy activity V (10-11) such that it shows the fact that H and I both merge to node 11 and eventually to activity J. Node 11-12 shows activity J. 15 F T 5 1 4 2 3 5 6 1 1 8 1 2

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HW 4 IE5541 Sunny Ahmed E S J 80 30 G 10 25 H 20 U V I Now if we combine both the parts we will get our AOA diagram. Note: Used Microsoft paint to join the two AOA diagrams from above. The critical path is A-C-E-G-J = 5+30+80+30+10 = 155 days. 6 5 6 7 9 1 0 0
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