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1
Classification chronologique des tâches
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A (dépose)
E (matelas)
C (minage)
G (découpe des aciers)
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F (évacuation)
B (nettoyage)
D (repose G.B.A)
H (ouverture autoroute)
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2 Durée des tâches E et F
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Tâche E
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Tâche F
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Nombre de cycles : 400/12 =
34 cycles
Nombre de cycles par tombereau : 34/2 = 17
cycles
Durée de la tâche : 17 cycles x 5mn =
85mn
=
1h25mn
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Nombre de cycles : 900/12 = 75 cycles
Nombre de cycles par tombereau : 75/3=25 cycles Durée
de la tâche : 25x10=250mn
=4h10mn
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Remarque : Ce calcul traduit le fait que
les tombereaux travaillent simultanément et non les uns à la suite des
autres.
Répartition des
heures sur la nuit (planning GANTT)
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TACHE
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DUREE
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DEBUT
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FIN
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A
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1h
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21h
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22h
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E
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1h25
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21h15
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22h40
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C
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0,10h
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23h
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23h10
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G
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2h
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23h10
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1h10
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F
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4h10
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0h
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4h10
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B
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2h
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3h
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5H
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D
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1h
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4h40
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5H40
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H
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Fin 6h
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3 Planning GANTT
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N°
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Nom de la tâche
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21 h 00
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22 h 00
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23 h 00
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0 h 00
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1 h 00
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2 h 00
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3 h 00
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4 h00
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5 h 00
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10
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20
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30
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40
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50
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60
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10
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20
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30
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40
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50
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60
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10
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20
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30
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40
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50
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60
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10
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20
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30
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40
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50
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60
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10
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20
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30
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40
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50
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60
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10
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20
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30
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40
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50
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60
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10
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20
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30
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40
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50
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60
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10
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20
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30
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40
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50
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60
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10
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20
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30
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40
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50
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60
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1
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Fermeture
autoroute
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2
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A
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3
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E
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4
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C
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5
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G
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6
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F
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7
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B
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8
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D
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9
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H
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