irwin/mcgraw-hill ©the mcgraw-hill companies, 2000 chapter 4 developing a network plan
TRANSCRIPT
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Chapter 4
Developing a Network Plan
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-1
Rollup of Network Plans
WP-2
A
B
C
D
E
F
WP-1
WP-4
WP-3
Level 1 - Milestone Plan
Level 2 - Plans
Level 3 - Plans
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-2
WBS/Work Packages to Network
Circuitboard
Designcost
account
Productioncost
account
Testcost
account
Softwarecost
account
Lowestelement
Organizatio
Units
DesignWP D-1-1 SpecificationsWP D-1-2 Documentation
ProductionWP P-10-1 Proto 1WP P-10-2 Final Proto 2
Test systemsWP T-13-1 Test
SoftwareWP S-22-1 Software preliminaryWP S-22-1 Software final version
BProto 1
5
DFinal
proto 24
ASpecifications
and documentation2
CPreliminary
software3
FFinal
software2
KTest
3
AD-1-1D-1-2
BP-10-1
DP-10-2
FS-22-2
KT-13-1
CS-22-1
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-3
Activity-on-Node Network Fundamentals
X
Y
Z
Y and Z are preceded by X
Y and Z can begin at thesame time, if you wish
(B)
A B C
A is preceded by nothingB is preceded by AC is preceded by B
(A)
J
K
L
M
J, K, & L can all begin atthe same time, if you wish(they need not occursimultaneously)
All (J, K, L) must becompleted before M canbegin
but
X Z
AAY
(C)
(D)
Z is preceded by X and Y
AA is preceded by X and Y
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-6
Activity-on-Node Network Fundamentals
KOLL BUSINESS CENTERCounty Engineers Design Department
B
15
Constructionplans
C
10
Trafficstudy
D
5
Servicecheck
A
5
Applicationapproval
ES ID EF
SL
LS Dur LF
Description
F
10
Commissionapproval
G
170
Wait for construction
H
35
Occupancy
E
15
Staff report
EF
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-7
Activity-on-Node Network Forward Pass
5 B 20
15
Constructionplans
C
10 10 20
Trafficstudy
D
15 5 20
Servicecheck
A
0 5 5
Applicationapproval
ES ID EF
SL
LS Dur LF
Description
F
20 10 30
Commissionapproval
G
30 170 200
Wait for construction
H
200 35 235
Occupancy
20 E 35
15
Staff report
EF
KOLL BUSINESS CENTERCounty Engineers Design Department
20
15
20
15
10
200
35
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-8
Activity-on-Node Network Backward Pass
B
5 15 20
Constructionplans
C
10 10 20
Trafficstudy
D
15 5 20
Servicecheck
A
0 5 5
Applicationapproval
ES ID EF
SL
LS Dur LF
Description
F
20 10 30
Commissionapproval
G
30 170 200
Wait for construction
H
200 35 235
Occupancy
E
185 15 200
Staff report
LS
KOLL BUSINESS CENTERCounty Engineers Design Department
20
20
185
185
10
15
5
20
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-9
Activity-on-Node Network with Slack
5 B 20
0
5 15 20
Constructionplans
5 C 15
5
10 10 20
Trafficstudy
5 D 10
10
15 5 20
Servicecheck
0 A 5
0
0 5 5
Applicationapproval
ES ID EF
SL
LS Dur LF
Description
20 F 30
0
20 10 30
Commissionapproval
30 G 200
0
30 170 200
Wait for construction
200 H 235
0
200 35 235
Occupancy
20 E 35
165
185 15 200
Staff report
LS EF
KOLL BUSINESS CENTERCounty Engineers Design Department
20
15
185
185
10
15
5
20
20
20
10
20
15
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-10
Software Conversion ProjectResponsibility Matrix
Engineeringdepartment
R A C
Kim C C
Ron C R A A A
Holly R
James R
Chuck A A
Wendy A R
Documentsdepartment
R R C
Sys
tem
spec
ific
atio
ns
Cod
ing
Use
rm
anua
l
For
ms
Cro
ssov
erpl
an
Tra
in s
taff
Tes
tActivities
Org
aniz
atio
nU
nit/
Indi
vidu
al Legend
R = ResponsibilityC = ContributesA = Advises
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-12
Air Control Inc., Custom OrderProject—Network Diagram
1 Orderreview
20 20 2
2
3
4
5
Softwaredevelopment
Orderstandard
parts
Producestandard
parts
Designcustom parts
18 2 2022 40
15 2 1715 30
10 2 12 5 15
13 2 12 5 15
6
7 8
Manufacturecustom
hardware
Assemble Test
Activity8#
Legend
1515 3015 30
1030 4030 40
540 4540 45
DurationES EFLS LF
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-13
Air Control Inc., Custom OrderProject—Gantt Chart
0 7 14 21 28 35 42 49
2
13
15
10
18
15
10
5
Order review
Design custom parts
Order standard parts
Produce standard parts
Software development
Manufacture customhardware
Assemble
Test
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-14
Air Control Inc., Custom OrderProject—Network with Dates
1 Orderreview
2 1-Jan 2-Jan 1-Jan 2-Jan
2
3
4
5
Softwaredevelopment
Order standard parts
Produce standard parts
Designcustom parts
18 2-Jan 20-Jan22-Jan 9-Jan
15 2-Jan 17-Jan 15-Jan 30-Jan
10 2-Jan 12-Jan 5-Jan 15-Jan
13 2-Jan 15-Jan 2-Jan 15-Jan
6
7 8
Manufacturecustom
hardware
Assemble Test
Activity8#
Legend
15 15-Jan 30-Jan 15-Jan 30-Jan
10 30-Jan 9-Jan 30-Jan 9-Jan
5 9-Jan 14-Jan 9-Jan 14-Jan
DurationES date EF dateLS date LF date
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-15
Example of Laddering UsingFinish-to-Start Relationship
Trench1/3
Trench1/3
Trench1/3
Lay pipe1/3
Lay pipe1/3
Lay pipe1/3
Refill1/3
Refill1/3
Refill1/3
AON network
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-16
Finish-to-Start Relationship
X YLag 2
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-17
Start-to-Start Relationship
ActivityM
ActivityN
ActivityP
ActivityQ
Lag 5
A B
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-18
Use of Lags to Reduce Detail
Trench1 mile
Lay pipe1 mile
Lag 3
Refill1 mile
Lag 3
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-19
Finish-to-Finish Relationship
Lag 4Prototype
Testing
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-20
Start-to-Start Relationship
Lag 3
Systemdocumentation
Testing
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-21
Combination Relationships
Lag 2
Code
Debug
Lag 4
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-22
Network Using Lags
5 B 15
00
5 10 15
10 D 25
1111
21 15 36
0 A 5
0 0
0 5 5
ES ID EF
SL SL
LS Dur LF
15 E 30
05
30 10 45
30 F 40
05
30 10 45
40 H 50
5 0
45 5 50
15 C 20
5 5
20 5 25
Legend25 G 40
110
36 4 40
Lag 5
Lag 10
Lag 10
Lag 5Lag 10
Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000
Figure 4-23
Hammock Activity Example
5 B 6
0
5 1 6
11 E 21
0
11 10 21
0 A 5
0
0 5 5
ES ID EF
SL
LS Dur. LF
Description
6 D 10
8
14 4 18
10 F 13
8
18 3 21
21 F 25
0
21 4 25
6 C 11
0
6 5 11
Legend5 G 13
Hammock
8
ID
DU
LEGEND
LF
EF
SL
ES
SL
LS
A
5
B
10
E
20
Lag Exercise 4-12
FF
15
D
5
H
20
C
15
G
10
LAG 5
LAG 25
LAG 10
LAG 20
LAG 10
LAG 5
Gray/Larson, Project Management: The Managerial Process © The McGraw-Hill Companies, 2000
ID
DU
LEGEND
LF
EF
SL
ES
SL
LS
A
2
B
4
E
18
Lag Exercise 4-13
FG
5
F
2
J
15
D
8
H
5
LAG 7
LAG 10
LAG 9 LAG 5
C
6
I
14
LAG 10
Gray/Larson, Project Management: The Managerial Process © The McGraw-Hill Companies, 2000
ID
DU
LEGEND
LF
EF
SL
ES
SL
LS
A
2
B
4
E
2
Lag Exercise 4-14
FG
4
F
7 4
D
9
H
5
LAG 7
LAG 10
LAG 5
LAG 8
C
8
7
J
I
LAG 4
K
3
LAG 8LAG 10
LAG 5
Gray/Larson, Project Management: The Managerial Process © The McGraw-Hill Companies, 2000
ES ID EF
SL SL
LS DU LF
LEDGEND
H
5
I
15
A
5
C
15
B
10
D
10
E
5
F
20
G
20
Exercise 4-6
Gray/Larson, Project Management: The Managerial Process © The McGraw-Hill Companies, 2000
Exercise 4-7
A
E
D
C
B
F
G
H
2
13
18
15
10
15
10
5
Air Control Project
ES
LS
EF
LF
IDSL SL
DU
LEGEND
Gray/Larson, Project Management: The Managerial Process © The McGraw-Hill Companies, 2000
Exercise 4-8
Spec's
A
B
C
D
E
F
G
H
J
I
K
L
ReviewDesign
2 60
20
10
8
2
2
10
12
3
Doc. NewFeatures
WriteManual
ReviewManual
PrintManual
PublishNotes
Program& Test
AlphaSite
BetaSite
Manu-facture
Ship
Color Printer DriversSoftware Project
J. Wold, PM
LEGEND
ES EFID
SL
LS Dur LF
Descript
3
60
Gray/Larson, Project Management: The Managerial Process © The McGraw-Hill Companies, 2000
PARK AND RIDE DESIGN
B
SoilsReport
20
LotLayout
5
D
A
5
Survey
C
Land-scape
H
25
Drainage
30
G
Illumi-nation
F
15
BidProposal
J
10
Signing
Approve Design
TrafficDesign
LEGEND
ES EFID
SL
LS Dur LF
Descript
LEGEND
Exercise 4-9
30 80
E
I
20
Gray/Larson, Project Management: The Managerial Process © The McGraw-Hill Companies, 2000
ID
DU
LEGEND
LF
EF
SL
ES
SL
LS
A
2
B
3
E
15
Lag Review Exercise 1
FG
15
LAG 11
F
4
D
7
J
12LAG 5
LAG 4
LAG 20
C
8
I
9
LAG 7
The slack for the start of Activity G is _____The ES for Activity C is _____
The LS for Activity E is _____
The LS for Activity G is _____
The slack for the finish of Activity H is _____
The slack for the start of Activity B is _____
The slack for the finish of Activity G is _____The slack for the start of Activity E is _____
The slack for the finish of Activity F is _____
Gray/Larson, Project Management: The Managerial Process © The McGraw-Hill Companies, 2000
ID
DU
LEGEND
LF
EF
SL
ES
SL
LS
A
10
B
10
5
E
10
Lag Review Exercise 2
FG
20
LAG 25
D
5 H
10
LAG5
LAG 5
LAG 5C
5
The slack for the start of Activity G is _____The ES for Activity C is _____
The LF for Activity A is _____
The LS for Activity D is _____
The slack for the finish of Activity B is _____
The slack for the start of Activity B is _____
The slack for the finish of Activity G is _____The slack for the start of Activity E is _____
The slack for the finish of Activity F is _____
5
LAG 5
LAG 10
F
25
Gray/Larson, Project Management: The Managerial Process © The McGraw-Hill Companies, 2000
ID
DU
LEGEND
LF
EF
SL
ES
SL
LS
A
5
10
C
E
15
E
FG
4
F
10
F
D
15
LAG 10
LAG
10
LAG 5
5
H
LAG 10
Lag Review Exercise 3
10
B
LAG 10
5
I
LAG 10
LAG 10
LAG 5
Gray/Larson, Project Management: The Managerial Process © The McGraw-Hill Companies, 2000