Case 5.4-1 - ACTIVITY TIMES 3-TIME ESTIMATE Activity...

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ACTIVITY TIMES IMMEDIATE 3-TIME ESTIMATE PREDECESSORS Activity Node a m b μ σ Node Predecessor Pregrade Meeting A 1 1 1 B A Staking B 1 2 3 C B Grading C 4 9 20 D C Underground D 24 42 78 E C Structural Steel E 3 11 13 F C Footings F 14 15 16 G E Columns G 2 3 10 H B Formation of Panels H 1 3 5 I H Curing of Panels I 7 7 7 J F Tilting Up Panels J 29 41 47 J I Slab K 2 3 4 K D Roof Structure L 14 17 26 L G Skylihgts M 5 8 11 L J Sheet Metal Work N 28 40 58 M L Exterior Painting O 11 18 37 N G Glazing P 22 29 42 N J Roofing Q 10 15 20 N K Curbs and Gutters R 11 16 33 O J Walkways S 15 20 25 P O Landscaping T 12 21 24 Q M Paving U 7 12 17 Q N Cleanup V 4 4 10 R C S J T O U R U S U T V P V Q V U KNOWN μ and σ
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CRITICAL PATH ANALYSIS MEAN 129 STANDARD DEVIATION* 6.72 * Assumes all critical activities are on one critical path VARIANCE* 45.11 PROBABILITY COMPLETE BEFORE 125 = 0.275738 Acitivty Node Critical μ σ ES EF LS LF Slack Pregrade Meeting A * 1 0 0 0 1 0 1 0 Staking B * 2 0.33 0.11 1 3 1 3 0 Grading
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Case 5.4-1 - ACTIVITY TIMES 3-TIME ESTIMATE Activity...

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