6. The activities in the following table describe the construction of a new house. Construct the associated project network.

A:

B:

C:

D:

£:

F:

G:

H:

l:

J:

K:

L:

M:

N:

0:

P:

Q:

R:

s:

T:

Activity Clear site Bring utilities to site Excavate Pour foundation Outside plumbing Frame house Do electric wiring Lay floor Lay roof Inside plumbing Shingling Outside sheathing insulation Install windows and outside doors Do brick work Insulate walls and ceiling Cover walls and ceiling Insulate roof Finish interior Finish exterior Landscape Predecessor(s)

A C

B,C D

F G

F E,H I

F,J F

L,M G,J o

I, P P

I, N S

Duration (days)

1 2

1 2

6 10 3

1 1

5 2

1 2

4 2

2 1

7 7

3