Transcript Chapter 4 Developing a Network Plan Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000 Rollup of Network Plans Figure 4-1 Level 1 - Milestone Plan A B C D E F Level 2 - Plans Level 3

Chapter 4
Developing a Network Plan
Irwin/McGraw-Hill
©The McGraw-Hill Companies, 2000
Rollup of Network Plans
Figure 4-1
Level 1 - Milestone Plan
A
B
C
D
E
F
Level 2 - Plans
Level 3 - Plans
WP-1
WP-4
WP-3
WP-2
Irwin/McGraw-Hill
©The McGraw-Hill Companies, 2000
WBS/Work Packages to Network
Figure 4-2
Lowest
element
O
r
g
a
n
i
z
a
t
i
o
U
n
i
t
s
Circuit
board
Design
cost
account
Production
cost
account
Test
cost
account
Software
cost
account
B
P-10-1
Design
WP D-1-1 Specifications
WP D-1-2 Documentation
A
D-1-1
D-1-2
D
P-10-2
F
S-22-2
K
T-13-1
C
S-22-1
Production
WP P-10-1 Proto 1
WP P-10-2 Final Proto 2
B
Proto 1
5
Test systems
WP T-13-1 Test
Software
WP S-22-1 Software preliminary
WP S-22-1 Software final version
Irwin/McGraw-Hill
D
Final
proto 2
4
A
Specifications
and documentation
2
F
Final
software
2
K
Test
3
C
Preliminary
software
3
©The McGraw-Hill Companies, 2000
Activity-on-Node Network Fundamentals
Figure 4-3
J, K, & L can all begin at
the same time, if you wish
(they need not occur
simultaneously)
J
A
B
C
K
A is preceded by nothing
B is preceded by A
C is preceded by B
M
L
(A)
(C)
but
All (J, K, L) must be
completed before M can
begin
Y
Y and Z are preceded by X
X
Z
Z is preceded by X and Y
Z
Y and Z can begin at the
same time, if you wish
Y
AA
AA is preceded by X and Y
X
(B)
Irwin/McGraw-Hill
(D)
©The McGraw-Hill Companies, 2000
Activity-on-Node Network Fundamentals
Figure 4-6
B
E
Construction
plans
Staff report
15
15
H
Occupancy
A
C
Application
approval
5
F
Traffic
study
10
Commission
approval
10
G
35
Wait for
construction
170
D
ES
ID
EF
SL
Description
LS
Dur
Service
check
5
KOLL BUSINESS CENTER
County Engineers Design Department
LF
EF
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©The McGraw-Hill Companies, 2000
Activity-on-Node Network Forward Pass
Figure 4-7
5
B
20
20
20
Construction
plans
E
35
Staff report
15
15
15
H
35
Occupancy
A
Application
approval
0
5
20
C
5
Traffic
study
10
10
F
Commission
approval
15
20
10
20
10
200
G
30
200
35
235
Wait for
construction
30
170
200
D
ES
ID
SL
Description
LS
Dur
Service
check
EF
15
5
20
KOLL BUSINESS CENTER
County Engineers Design Department
LF
EF
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©The McGraw-Hill Companies, 2000
Activity-on-Node Network Backward Pass
Figure 4-8
B
E
Construction
plans
5
15
185
Staff report
20
185
15
200
20
H
185
Occupancy
5
A
Application
approval
0
5
5
C
Traffic
study
10
15
F
10
10
Commission
approval
20
20
G
20
10
30
200
35
235
Wait for
construction
30
170
200
20
D
ES
ID
SL
Description
LS
Dur
Service
check
EF
15
5
20
KOLL BUSINESS CENTER
County Engineers Design Department
LF
LS
Irwin/McGraw-Hill
©The McGraw-Hill Companies, 2000
Activity-on-Node Network with Slack
Figure 4-9
5
0
5
B
20
Construction
plans
15
20
185
20
E
35
165
Staff report
185
15
15
20
200
20
200
H
235
185
0
0
5
5
5
Application
approval
10
5
A
0
0
5
5
15
C
15
Traffic
study
20
20
15
20
10
10
20
5
D
10
10
0
20
F
30
Commission
approval
10
30
30
0
30
G
200
200
Occupancy
35
235
Wait for
construction
170
200
20
ES
ID
EF
10
SL
Description
15
LS
Dur
LS
EF
Service
check
5
20
KOLL BUSINESS CENTER
County Engineers Design Department
LF
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©The McGraw-Hill Companies, 2000
Software Conversion Project
Responsibility Matrix
Figure 4-10
Engineering
department
R
Kim
Organization
Unit/Individual
Ron
A
C
C
C
R
C
A
A
A
Legend
Holly
R
James
R
A
Wendy
A
R
Irwin/McGraw-Hill
C
Test
R
Train staff
R
Crossover
plan
Coding
Activities
System
specifications
Documents
department
Forms
A
User
manual
Chuck
R = Responsibility
C = Contributes
A = Advises
©The McGraw-Hill Companies, 2000
Air Control Inc., Custom Order
Project—Network Diagram
Figure 4-12
2
Software
development
18
2 20
22 40
3
1
2
0 2
0 2
Order
review
15
2 17
15 30
Order
standard
parts
Produce
standard
10
parts
2 12
5 15
8
Assemble
Legend
6 Manufacture
custom
15 hardware
15 30
15 30
Test
5
40 45
40 45
10
30 40
30 40
4
Design
5
custom parts
13
2 12
5 15
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7
8
#
Activity
Duration
ES EF
LS LF
©The McGraw-Hill Companies, 2000
Air Control Inc., Custom Order
Project—Gantt Chart
Figure 4-13
2
Order review
Design custom parts
13
Order standard parts
15
Produce standard parts
10
18
Software development
Manufacture custom
hardware
15
10
Assemble
5
Test
0
Irwin/McGraw-Hill
7
14
21
28
35
42
49
©The McGraw-Hill Companies, 2000
Air Control Inc., Custom Order
Project—Network with Dates
Figure 4-14
Software
development
18
2-Jan 20-Jan
22-Jan 9-Jan
2
3
Order
1
review
2
1-Jan 2-Jan
1-Jan 2-Jan
Order
standard parts
15
2-Jan 17-Jan
15-Jan 30-Jan
4
Design
5
custom parts
13
2-Jan 15-Jan
2-Jan 15-Jan
Assemble
15
15-Jan 30-Jan
15-Jan 30-Jan
Test
Legend
6 Manufacture
custom
hardware
8
5
9-Jan 14-Jan
9-Jan 14-Jan
10
30-Jan 9-Jan
30-Jan 9-Jan
Produce
standard parts
10
2-Jan 12-Jan
5-Jan 15-Jan
Irwin/McGraw-Hill
7
8
#
Activity
Duration
ES date EF date
LS date LF date
©The McGraw-Hill Companies, 2000
Example of Laddering Using
Finish-to-Start Relationship
Figure 4-15
Trench
1/3
Irwin/McGraw-Hill
Trench
1/3
Trench
1/3
Lay pipe
1/3
Lay pipe
1/3
Lay pipe
1/3
Refill
1/3
Refill
1/3
AON network
Refill
1/3
©The McGraw-Hill Companies, 2000
Finish-to-Start Relationship
Figure 4-16
Lag 2
X
Irwin/McGraw-Hill
Y
©The McGraw-Hill Companies, 2000
Start-to-Start Relationship
Figure 4-17
A
B
Activity
M
Activity
P
Activity
N
Irwin/McGraw-Hill
Lag 5
Activity
Q
©The McGraw-Hill Companies, 2000
Use of Lags to Reduce Detail
Figure 4-18
Trench
1 mile
Lag 3
Lay pipe
1 mile
Lag 3
Irwin/McGraw-Hill
Refill
1 mile
©The McGraw-Hill Companies, 2000
Finish-to-Finish Relationship
Figure 4-19
Prototype
Lag 4
Testing
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©The McGraw-Hill Companies, 2000
Start-to-Start Relationship
Figure 4-20
Testing
System
documentation
Lag 3
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©The McGraw-Hill Companies, 2000
Combination Relationships
Figure 4-21
Lag 4
Code
Lag 2
Irwin/McGraw-Hill
Debug
©The McGraw-Hill Companies, 2000
Network Using Lags
Figure 4-22
15
5
Lag 10
20
0
A
0
0
5
5
5
0
0
5
5
C
B
5
5
Lag 5
25
15
15
E
0
0
10
20
15
30
30
5
10
45
30
F
0
30
40
5
10
45
40
H
5
45
50
0
5
50
Lag 10
10
Legend
D
25
25
G
40
Lag 5
ES
ID
SL
LS
Dur
Lag 10
EF
11
SL
21
11
15
36
11
36
0
4
40
LF
Irwin/McGraw-Hill
©The McGraw-Hill Companies, 2000
Hammock Activity Example
Figure 4-23
6
C
11
11
0
0
A
5
0
5
B
6
0
0
5
5
5
6
6
5
11
11
10
21
6
D
10
10
F
13
14
8
4
18
5
Legend
ES
ID
EF
SL
Description
LS
Dur.
21
0
8
1
E
18
G
21
F
25
4
25
0
3
21
21
13
Hammock
8
LF
Irwin/McGraw-Hill
©The McGraw-Hill Companies, 2000
Lag Exercise 4-12
E
B
LAG 5
10
LAG
5
20
LAG 25
A
D
F
H
5
15
20
5
LAG 20
LEGEND
ES ID EF
SL
SL
LS DU LF
LAG 10
G
C
LAG 10
15
Gray/Larson, Project Management: The Managerial Process
10
© The McGraw-Hill Companies, 2000
Lag Exercise 4-13
B
E
4
18
I
LAG 9
14
LAG
5
LAG
10
A
C
2
6
LAG 7
G
F
J
5
15
LAG
10
LEGEND
ES ID EF
SL
SL
LS DU LF
D
F
H
8
2
5
Gray/Larson, Project Management: The Managerial Process
© The McGraw-Hill Companies, 2000
Lag Exercise 4-14
B
E
H
LAG 10
LAG
5
4
2
LAG 8
5
LAG
5
LAG 7
A
C
F
I
K
2
8
7
4
3
LAG 4
LEGEND
ES ID EF
SL
SL
LS DU LF
D
G
F
9
4
Gray/Larson, Project Management: The Managerial Process
J
LAG 10
LAG 8
7
© The McGraw-Hill Companies, 2000
Exercise 4-6
LEDGEND
ES ID EF
SL
C
SL
LS DU LF
F
15
A
20
5
D
H
10
5
B
E
G
I
10
5
20
15
Gray/Larson, Project Management: The Managerial Process
© The McGraw-Hill Companies, 2000
Exercise 4-7
Air Control Project
B
15
G
C
10
A
10
F
H
2
D
15
5
13
E
18
Gray/Larson, Project Management: The Managerial Process
LEGEND
ES ID EF
SL
SL
LSDU LF
© The McGraw-Hill Companies, 2000
Exercise 4-8
A
LEGEND
Spec's
8
Color Printer Drivers
Software Project
J. Wold, PM
ES ID EF
L
SL
Ship
Descript
LS Dur LF
B
E
Review
Design
Program
& Test
2
60
C
Doc. New
Features
K
Manufacture
H
Alpha
Site
F
J
2
D
G
I
Write
Manual
Review
Manual
Print
Manual
2
Gray/Larson, Project Management: The Managerial Process
12
20
Publish
Notes
3
60
3
Beta
Site
10
10
© The McGraw-Hill Companies, 2000
Exercise 4-9
F
B
Illumination
Soils
Report
15
20
G
Drainage
A
C
E
Survey
Traffic
Design
Approve
Design
5
30
80
ES ID EF
SL
Lot
Layout
5
H
25
I
Descript
LS Dur LF
30
Landscape
D
LEGEND
J
PARK AND RIDE
DESIGN
Gray/Larson, Project Management: The Managerial Process
Signing
20
© The McGraw-Hill Companies, 2000
Bid
Proposal
10
Lag Review Exercise 1
LEGEND
ES ID EF
SL
SL
LS DU LF
B
E
I
3
15
9
LAG 11
LAG 4
LAG 7
A
G
F
C
J
15
2
8
LAG 5
D
F
7
4
12
LAG
20
The ES for Activity C is _____
The slack for the start of Activity G is _____
The slack for the finish of Activity H is _____
The LS for Activity E is _____
The slack for the start of Activity B is _____
The slack for the finish of Activity F is _____
The LS for Activity G is _____
The slack for the start of Activity E is _____
The slack for the finish of Activity G is _____
Gray/Larson, Project Management: The Managerial Process
© The McGraw-Hill Companies, 2000
Lag Review Exercise 2
LEGEND
5
A
F
LAG 5
ES ID EF
SL
10
25
SL
LS DU LF
LAG 25
5 B
D
LAG
10
10
G
F
5
C
E
LAG
5
5
H
LAG
5
20
10
LAG
5
10
The ES for Activity C is _____
The slack for the start of Activity G is _____
The slack for the finish of Activity B is _____
The LF for Activity A is _____
The slack for the start of Activity B is _____
The slack for the finish of Activity F is _____
The LS for Activity D is _____
The slack for the start of Activity E is _____
The slack for the finish of Activity G is _____
Gray/Larson, Project Management: The Managerial Process
© The McGraw-Hill Companies, 2000
Lag Review Exercise 3
LAG
LAG 5
C
H
LAG 10
10
5
10
LAG 10
A
B
E
E
F
I
5
10
15
10
5
LAG 10
LEGEND
LAG 10
ES ID EF
SL
SL
LS DU LF
LAG 5
D
F
G
15
4
Gray/Larson, Project Management: The Managerial Process
LAG 10
© The McGraw-Hill Companies, 2000