Esame completo di Finance and Management of Infrastructure Investments per il corso di Mobility Engineering presso Politecnico di Milano. Materiale proveniente dall’archivio storico Studwiz e classificato per la consultazione online.
Esame completo di Finance and Management of Infrastructure Investments per il corso di Mobility Engineering presso Politecnico di Milano. Materiale proveniente dall’archivio storico Studwiz e classificato per la consultazione online.
Qualità dell’importazione: il testo è stato estratto direttamente dal documento originale.
Passaggi rappresentativi riconosciuti nelle diverse parti del materiale. Il testo completo resta presente nella pagina per la ricerca, mentre l’anteprima compatta rende più semplice la lettura.
Section I – Q1 5 94 B 8 123 18 213 H 18 2105 127 C 5 120 21 265 I 21 260 12 142 F 19 217 The critical path is A-C-E-H-I. The project duration is 26 weeks. 0 55 A 0 50 12 131 G 20 218 12 186 E 12 180 9 178 D 13 214 Section I – Q1 (Solution) Section I – Q1 (Solution) Activity Immediate Predecessor Duration (weeks) Duration Reduction Total Crashing Cost (€) Unitary Crashing Cost (€) A - 5 3 36 000€ 12 000€ B A 4 1 9 000€ 9 000€ C A 7 6 36 000€ 6 000€ D B 8 2 3 000€ 1 500€ E B, C 6 4 32 000€ 8 000€ F C 2 1 1 000€ 1 000€ G C 1 - - - H E 3 2 14 000€ 7 000€ I D, F, G, H 5 2 18 000€ 9 000€ ➢ Among activities of the critical path A-C-E-H-I, the lowest unitary crashing cost and highest potential benefit is associated with the crashing of activity C. However, crashing C, would lead to an overall project duration reduction of 3 weeks, due to the emergence of another critical path (A-B-E-H-I). As a consequence, crashing C is not convenient since the real economic saving (3*10 000 = 30 000€) is lower than the total crashing cost (36 000€). ➢ Consequently, the most convenient activity to crash is activity E, that leads to a real project duration reduction of 4 weeks. ➢ In this case the margin achieved is: 4*10 000 – 32 000 = 8 000€. 5 94 B 5 90 14 173 H 14 1705 127 C 5 120 17 225 I 17 220 12 142 F 15 173 After crashing E, the critical paths are: ➢ A-B-D-I ➢ A-C-E-H-I 0 55 A 0 50 12 131 G 16 174 12 142 E 12 140 9 178 D 9 170 Section I – Q1 (Solution) Section I – Q1 (Solution) Activity Immediate Predecessor Duration (weeks) Duration Reduction Total Crashing Cost (€) Unitary Crashing Cost (€) A - 5 3 36 000€ 12 000€ B A 4 1 9 000€ 9 000€ C A 7 6 36 000€ 6 000€ D B 8 2 3 000€ 1 500€ E B, C 6 4 32 000€ 8 000€ F C 2 1 1 000€ 1 000€ G C 1 - - - H E 3 2 14 000€ 7 000€ I D, F, G, H 5 2 18…
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