0
1
5
Planning
(10)
10
15
20
2
Purchase
(10)
3
Http://www.prosjektledelse.ntnu.no
25
Construction
(10)
30
4
Purchase
We
Each
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acan
project
activities
start with
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a duration
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planning
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planning,
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purchase
means and
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if we add the
durations, the total duration of the project
We can also assume that purchase should
becomes 30 weeks.
finish two weeks after planning has
We can also assume, for this example, that
finished.
the activities can overlap with each other.
We have now introduced two types of links
between purchase and planning.
Prosjektstyring
Planning
(10)
SS2
FF2
Purchase
(10)
SS2
FF2
Construction
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the end of
thefinished.
We
now have
twowith
similar
links
purchase
activity
a lag
of 2between
weeks.
purchase and construction and between
planning and purchase.
Http://www.prosjektledelse.ntnu.no
Prosjektstyring
0
10
Planning
(10)
2
SS2
FF2
12
Purchase
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of of
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project.
activity.
week
4.
Planning has a duration of 10 weeks,
which gives us an earliest finish of 10.
0 + 10 = 10
Purchase:
2 + 10 = 12
Construction:
4 + 10 = 14
Http://www.prosjektledelse.ntnu.no
Prosjektstyring
0
10
Planning
(10)
0
2
SS2
FF2
10
12
Purchase
(10)
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can the
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12 - 10 = 02
10
from 30 to 14 weeks.
We start with the project’s finish time and
Construction:
assume that the earliest finish is equal to
14 - 10 = 4
the latest finish.
Http://www.prosjektledelse.ntnu.no
Prosjektstyring
0
1
2
1
(2)
2
4
3
4
5
6
7
8
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Planning (8)
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Weeks
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Purchase (6)
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three
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lasts
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parts:isathe
start
part,part,
a middle
and
weeks.
part.
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Prosjektstyring