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To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Planning and Planning and Managing ProjectsManaging Projects
Chapter 8Chapter 8
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Implementchanges
6Redesignprocess
5
Implementing ChangesImplementing Changes
Documentprocess
3
Definescope
2
Evaluateperformance
4
Figure 8.1Figure 8.1
Identify opportunity
1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Develop Marketing
Plan
Install Operating
Control Base
Select Bank Select Name Find Location
Provide Staffing Provide Physical Facilities
Establish Business Structure
Work Breakdown StructureWork Breakdown Structure
Figure 8.2Figure 8.2
Strategic Plan Define Business Opportunity
Plan for Action
Proceed With Startup Plan
Start a New Business
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Activity RelationshipsActivity RelationshipsActivity RelationshipActivity Relationship
AOA AON
Figure 8.3Figure 8.3
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Activity RelationshipsActivity RelationshipsActivity RelationshipActivity Relationship
S precedes T, which precedes U.S precedes T, which precedes U.
AOA AON
1 2S
3T
4U
S T U
Figure 8.3Figure 8.3
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Activity RelationshipsActivity RelationshipsActivity RelationshipActivity Relationship
S and T must be completed before U can be started.S and T must be completed before U can be started.
AOA AON
S
T
U
1
2
3T
S
4U
Figure 8.3Figure 8.3
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Activity RelationshipsActivity RelationshipsActivity RelationshipActivity Relationship
T and U cannot begin until S has been completed.T and U cannot begin until S has been completed.
AOA AON
T
U
S
3
4
1
T
U2S
Figure 8.3Figure 8.3
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Activity RelationshipsActivity RelationshipsActivity RelationshipActivity Relationship
U and V cannot begin until both S and T have been U and V cannot begin until both S and T have been completed. completed.
AOA AON
1
2
4
5
U
V
S
T 3
S
T
U
V
Figure 8.3Figure 8.3
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Activity RelationshipsActivity RelationshipsActivity RelationshipActivity Relationship
U cannot begin until both S and T have been completed; U cannot begin until both S and T have been completed; V cannot begin until T has been completed.V cannot begin until T has been completed.
AOA AON
S
T
U
V
1 3
DummyDummy
5
2 4 6
S U
T V
Figure 8.3Figure 8.3
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Activity RelationshipsActivity RelationshipsActivity RelationshipActivity Relationship
T and U cannot begin until S has been completed; V T and U cannot begin until S has been completed; V cannot begin until both T and U have been completed.cannot begin until both T and U have been completed.
AOA AON
1 2 4
3
S T5
V
UDummyDummy
S T V
U
Figure 8.3Figure 8.3
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Example 8.1Example 8.1
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff.BBSelect site and do site survey.Select site and do site survey.CCSelect equipment.Select equipment.DDPrepare final construction plans and layout.Prepare final construction plans and layout.EEBring utilities to the site.Bring utilities to the site.FFInterview applicants and fill positions inInterview applicants and fill positions in
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment.HHConstruct the hospital.Construct the hospital.IIDevelop an information system.Develop an information system.JJInstall the equipment.Install the equipment.KKTrain nurses and support staff.Train nurses and support staff.
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s HospitalImmediateImmediate
ActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AON Network
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AON Network
Start
A
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AON Network
Start
A
B
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AON Network
Start
A
B
C
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AON Network
Start
A
B
C
D
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AON Network
Start
A
B
C
D
E
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AON Network
Start
A
B
C
D
E
F
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AON Network
Start
A
B
C
D
E
F
G
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AON Network
Start
A
B
C
D
E
F
G
H
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AON Network
Start
A
B
C
D
E
F
G
H
I
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AON Network
Start
A
B
C
D
E
F
G
H
I
J
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AON Network
Start
A
B
C
D
E
F
G
H
I
J
K
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AON Network
FinishStart
A
B
C
D
E
F
G
H
I
J
K
Figure 8.4Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AOA Network
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AOA Network
A
Start1
2
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AOA Network
A
B
Start1
2
4
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AOA Network
A
B
C
D
Start1
2
3
5
4
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AOA NetworkF
A
B
C
D
H
E
G
I
Start1
82
3 7
65
4
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AOA NetworkF
A
B
C
D
H
E
GJ
I
Start1
82
3 7
65
4
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AOA NetworkF
A
B
C
D
H
E
GJ
I DummyDummy
Start1
82
3 7
65
4
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
AOA NetworkF
A
B
C
D
H
E
G
K
J
I
Finish9
DummyDummy
Start1
82
3 7
65
4Figure 8.5
Example 8.1Example 8.1
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
Completion Time
FinishStart
K6
I15
F10
C10
D10
E24
G35
H40
J4
A12
B9
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
Completion Time
FinishStart
K6
I15
F10
C10
D10
E24
G35
H40
J4
A12
B9
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
Completion Time
FinishStart
K6
I15
F10
C10
D10
E24
G35
H40
J4
A12
B9
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
Completion Time
FinishStart
K6
I15
F10
C10
D10
E24
G35
H40
J4
A12
B9
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
Completion Time
FinishStart
K6
I15
F10
C10
D10
E24
G35
H40
J4
A12
B9
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
Completion Time
FinishStart
K6
I15
F10
C10
D10
E24
G35
H40
J4
A12
B9
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
Completion Time
FinishStart
K6
I15
F10
C10
D10
E24
G35
H40
J4
A12
B9
Path Expected Time (wks)
A-F-K 28A-I-K 33A-C-G-J-K 67B-D-H-J-K 69B-E-J-K 43
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
Completion Time
FinishStart
K6
I15
F10
C10
D10
E24
G35
H40
J4
A12
B9
Path Expected Time (wks)
A-F-K 28A-I-K 33A-C-G-J-K 67B-D-H-J-K 69B-E-J-K 43
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
ImmediateImmediateActivityActivity DescriptionDescription Predecessor(s)Predecessor(s) ResponsibilityResponsibility
AASelect administrative and medical staff.Select administrative and medical staff. ——JohnsonJohnsonBBSelect site and do site survey.Select site and do site survey. ——TaylorTaylorCCSelect equipment.Select equipment. AAAdamsAdamsDDPrepare final construction plans and layout.Prepare final construction plans and layout. BBTaylorTaylorEEBring utilities to the site.Bring utilities to the site. BBBurtonBurtonFFInterview applicants and fill positions inInterview applicants and fill positions in AAJohnsonJohnson
nursing, support staff, maintenance, nursing, support staff, maintenance, and security.and security.
GGPurchase and take delivery of equipment.Purchase and take delivery of equipment. CCAdamsAdamsHHConstruct the hospital.Construct the hospital. DDTaylorTaylorIIDevelop an information system.Develop an information system. AASimmonsSimmonsJJInstall the equipment.Install the equipment. E,G,HE,G,HAdamsAdamsKKTrain nurses and support staff.Train nurses and support staff. F,I,JF,I,JJohnsonJohnson
St. Adolf’s HospitalSt. Adolf’s Hospital
Completion Time
FinishStart
K6
I15
F10
C10
D10
E24
G35
H40
J4
A12
B9
Figure 8.6
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Example 8.2Example 8.2
St. Adolf’s HospitalSt. Adolf’s Hospital
Earliest StartEarliest StartandandEarliest Finish TimesEarliest Finish Times
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
I
15
F
10
FinishStart
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Earliest StartEarliest StartandandEarliest Finish TimesEarliest Finish Times
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0
I
15
F
10
Earliest start time
FinishStart
Example 8.2Example 8.2
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Earliest StartEarliest StartandandEarliest Finish TimesEarliest Finish Times
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
Earliest start time Earliest finish time
FinishStart
Example 8.2Example 8.2
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Earliest StartEarliest StartandandEarliest Finish TimesEarliest Finish Times
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
0 9
FinishStart
Example 8.2Example 8.2
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Earliest StartEarliest StartandandEarliest Finish TimesEarliest Finish Times
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
9 33
0 9 9 19
FinishStart
Example 8.2Example 8.2
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Earliest StartEarliest StartandandEarliest Finish TimesEarliest Finish Times
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22
9 33
0 9 9 19
12 22FinishStart
Example 8.2Example 8.2
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Earliest StartEarliest StartandandEarliest Finish TimesEarliest Finish Times
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22
19 59
9 33
0 9 9 19
12 22FinishStart
Example 8.2Example 8.2
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Earliest StartEarliest StartandandEarliest Finish TimesEarliest Finish Times
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22
22 57
19 59
9 33
0 9 9 19
12 22FinishStart
Example 8.2Example 8.2
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Earliest StartEarliest StartandandEarliest Finish TimesEarliest Finish Times
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22
22 57
59 6319 59
9 33
0 9 9 19
12 22FinishStart
Example 8.2Example 8.2
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Earliest StartEarliest StartandandEarliest Finish TimesEarliest Finish Times
Finish
Figure 8.7Figure 8.7
Earliest start time Earliest finish time
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22 63 69
22 57
59 6319 59
9 33
0 9 9 19
12 22
Critical path
Start
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22 63 69
22 57
59 6319 59
9 33
0 9 9 19
12 22
Latest StartLatest StartandandLatest Finish TimesLatest Finish Times
Example 8.3Example 8.3
FinishStart
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Latest StartLatest StartandandLatest Finish TimesLatest Finish Times
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22 63 69
22 57
59 6319 59
9 33
0 9 9 19
12 22
63 69 LatestfinishtimeFinishStart
Example 8.3Example 8.3
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Latest StartLatest StartandandLatest Finish TimesLatest Finish Times
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22 63 69
22 57
59 6319 59
9 33
0 9 9 19
12 22
63 69Lateststarttime
LatestfinishtimeFinishStart
Example 8.3Example 8.3
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22 63 69
22 57
59 6319 59
9 33
0 9 9 19
12 22
48 63
53 63 63 69
59 63Latest StartLatest StartandandLatest Finish TimesLatest Finish Times
FinishStart
Example 8.3Example 8.3
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22 63 69
22 57
59 6319 59
9 33
0 9 9 19
12 22
48 63
53 63 63 69
24 59
19 59
35 59
59 63Latest StartLatest StartandandLatest Finish TimesLatest Finish Times
FinishStart
Example 8.3Example 8.3
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22 63 69
22 57
59 6319 59
9 33
0 9 9 19
12 22
48 63
53 63 63 69
14 24 24 59
9 19 19 59
35 59
59 63Latest StartLatest StartandandLatest Finish TimesLatest Finish Times
FinishStart
Example 8.3Example 8.3
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Latest StartLatest StartandandLatest Finish TimesLatest Finish Times
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22 63 69
22 57
59 6319 59
9 33
0 9 9 19
12 22
48 63
2 14 53 63 63 69
14 24 24 59
0 9 9 19 19 59
35 59
59 63
Figure 8.8Figure 8.8
Earliest start time Earliest finish timeLatest start time Latest finish time
Critical path
FinishStart
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s HospitalGantt Charts
Figure 8.9(a)Figure 8.9(a)
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Figure 8.9(b)Figure 8.9(b)
Gantt Gantt ChartsCharts
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Figure 8.10Figure 8.10
Activity Slack
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Activity Slack Activity Slack AnalysisAnalysis
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22 63 69
22 57
59 6319 59
9 33
0 9 9 19
12 22
48 63
2 14 53 63 63 69
14 24 24 59
0 9 9 19 19 59
35 59
59 63
FinishStart
Example 8.4Example 8.4
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Start
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22 63 69
22 57
59 6319 59
9 33
0 9 9 19
12 22
48 63
2 14 53 63 63 69
14 24 24 59
0 9 9 19 19 59
35 59
59 63
Finish
Activity Slack Activity Slack AnalysisAnalysis
Activity Slack
Example 8.4Example 8.4
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Start
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22 63 69
22 57
59 6319 59
9 33
0 9 9 19
12 22
48 63
2 14 53 63 63 69
14 24 24 59
0 9 9 19 19 59
35 59
59 63
Finish
Activity Slack Activity Slack AnalysisAnalysis
Activity Slack
Slack = LS – ESor
Slack = LF – EF
Example 8.4Example 8.4
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Start
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22 63 69
22 57
59 6319 59
9 33
0 9 9 19
12 22
48 63
2 14 53 63 63 69
14 24 24 59
0 9 9 19 19 59
35 59
59 63
Finish
Activity Slack Activity Slack AnalysisAnalysis
Activity Slack
SlackK = 63 – 63
orSlackK = 69 – 69
Example 8.4Example 8.4
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Start
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22 63 69
22 57
59 6319 59
9 33
0 9 9 19
12 22
48 63
2 14 53 63 63 69
14 24 24 59
0 9 9 19 19 59
35 59
59 63
Finish
Activity Slack Activity Slack AnalysisAnalysis
Activity Slack
SlackK = 0
orSlackK = 0
Example 8.4Example 8.4
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Start
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22 63 69
22 57
59 6319 59
9 33
0 9 9 19
12 22
48 63
2 14 53 63 63 69
14 24 24 59
0 9 9 19 19 59
35 59
59 63
Finish
Activity Slack Activity Slack AnalysisAnalysis
Example 8.4Example 8.4
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Start
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22 63 69
22 57
59 6319 59
9 33
0 9 9 19
12 22
48 63
2 14 53 63 63 69
14 24 24 59
0 9 9 19 19 59
35 59
59 63
Finish
Activity Slack Activity Slack AnalysisAnalysis
Node Duration ES LS Slack
Example 8.4Example 8.4
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Start
A
12
K
6
C
10
G
35
J
4
H
40
B
9
D
10
E
24
0 12
I
15
F
10
12 27
12 22 63 69
22 57
59 6319 59
9 33
0 9 9 19
12 22
48 63
2 14 53 63 63 69
14 24 24 59
0 9 9 19 19 59
35 59
59 63
Finish
Activity Slack Activity Slack AnalysisAnalysis
Node Duration ES LS Slack
A 12 0 2 2B 9 0 0 0C 10 12 14 2D 10 9 9 0E 24 9 35 26F 10 12 53 41G 35 22 24 2H 40 19 19 0I 15 12 48 36J 4 59 59 0K 6 63 63 0
Example 8.4Example 8.4
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
C
10
G
35
E
24
I
15
F
10
12 27
12 22
22 57
9 33
12 22
48 63
53 63
14 24 24 59
35 59
B
90 90 9
D
109 199 19
H
4019 5919 59
J
459 6359 63
K
663 6963 69
Finish
Critical PathCritical Path
Node Duration ES LS Slack
A 12 0 2 2BB 99 00 00 00C 10 12 14 2DD 1010 99 99 00E 24 9 35 26F 10 12 53 41G 35 22 24 2HH 4040 1919 1919 00I 15 12 48 36JJ 44 5959 5959 00KK 66 6363 6363 00
Example 8.4Example 8.4
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
C
10
G
35
E
24
I
15
F
10
12 27
12 22
22 57
9 33
12 22
48 63
53 63
14 24 24 59
35 59
B
90 90 9
D
109 199 19
H
4019 5919 59
J
459 6359 63
K
663 6963 69
A
120 122 14
FinishStart
Critical PathCritical PathExample 8.4Example 8.4
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Linear cost assumptionLinear cost assumption
St. Adolf’s HospitalSt. Adolf’s Hospital
8000 —8000 —
7000 —7000 —
6000 —6000 —
5000 —5000 —
4000 —4000 —
3000 —3000 —
0 —0 —
Dire
ct c
ost (
dolla
rs)
Dire
ct c
ost (
dolla
rs)
|| || || || || ||55 66 77 88 99 1010 1111
Time (weeks)Time (weeks)Figure 8.11Figure 8.11
Cost-Time Relationships in Cost AnalysisCost-Time Relationships in Cost Analysis
Crash cost (Crash cost (CCCC))
Normal cost (Normal cost (NCNC))
(Crash time)(Crash time) (Normal time)(Normal time)
Estimated costs for Estimated costs for a 2-week reduction, a 2-week reduction, from 10 weeks to from 10 weeks to 8 weeks 8 weeks
52005200
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s HospitalTABLE 8.1 DIRECT COST AND TIME DATA FOR
THE ST. ADOLF’S HOSPITAL PROJECT
A 12 $ 12,000 11 $ 13,000 1 $ 1,000B 9 50,000 7 64,000 2 7,000C 10 4,000 5 7,000 5 600D 10 16,000 8 20,000 2 2,000E 24 120,000 14 200,000 10 8,000F 10 10,000 6 16,000 4 1,500G 35 500,000 25 530,000 10 3,000H 40 1,200,000 35 1,260,000 5 12,000I 15 40,000 10 52,500 5 2,500J 4 10,000 1 13,000 2 1,000K 6 30,000 5 34,000 1 4,000
TotalsTotals $1,992,000$1,992,000 $2,209,000$2,209,000
MaximumNormal Normal Crash Crash Time Cost of
Time Cost Time Cost Reduction Crashing perActivity (NT) (NC) (CT) (CC) (wk) Week
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000Total cost = $2,624,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
Critical Path B-D-H-J-K: 69 weeksCritical Path B-D-H-J-K: 69 weeksCrash Activity J by 3 weeks @ $1,000/weekCrash Activity J by 3 weeks @ $1,000/week
Minimum-Cost ScheduleMinimum-Cost Schedule
Example 8.5Example 8.5
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000Total cost = $2,624,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
Critical Path B-D-H-J-K: 69 weeksCritical Path B-D-H-J-K: 69 weeksCrash Activity J by 3 weeks @ $1,000/weekCrash Activity J by 3 weeks @ $1,000/week
Minimum-Cost ScheduleMinimum-Cost Schedule
Example 8.5Example 8.5
3($28,000) – 3($1,000) = $81,0003($28,000) – 3($1,000) = $81,000
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000Total cost = $2,624,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
Critical Path B-D-H-J-K: 66 weeksCritical Path B-D-H-J-K: 66 weeksCrash Activity J by 3 weeks @ $1,000/weekCrash Activity J by 3 weeks @ $1,000/week
3($28,000) – 3($1,000) = $81,0003($28,000) – 3($1,000) = $81,000$2,624,000 – $81,000 = $2,543,000$2,624,000 – $81,000 = $2,543,000
Minimum-Cost ScheduleMinimum-Cost Schedule
Example 8.5Example 8.5
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,543,000Total cost = $2,624,000 $2,543,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
Critical Path B-D-H-J-K: 66 weeksCritical Path B-D-H-J-K: 66 weeksCrash Activity J by 3 weeks @ $1,000/weekCrash Activity J by 3 weeks @ $1,000/week
3($28,000) – 3($1,000) = $81,0003($28,000) – 3($1,000) = $81,000$2,624,000 – $81,000 = $2,543,000$2,624,000 – $81,000 = $2,543,000
Minimum-Cost ScheduleMinimum-Cost Schedule
Example 8.5Example 8.5
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s HospitalMinimum Cost ScheduleMinimum Cost Schedule
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,543,000Total cost = $2,624,000 $2,543,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
Critical Path B-D-H-J-K: 69 weeksCritical Path B-D-H-J-K: 69 weeksCrash Activity J by 3 weeks @ $1,000/weekCrash Activity J by 3 weeks @ $1,000/week
3($28,000) – 3($1,000) = $81,0003($28,000) – 3($1,000) = $81,000$2,624,000 – $81,000 = $2,543,000$2,624,000 – $81,000 = $2,543,000
FinishStart
A12
B9
C10
D10
E24
F10
G35
H40
I15
J1
K6
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s HospitalMinimum Cost ScheduleMinimum Cost Schedule
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,543,000Total cost = $2,624,000 $2,543,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
Critical Path B-D-H-J-K: 69 weeksCritical Path B-D-H-J-K: 69 weeksCrash Activity J by 3 weeks @ $1,000/weekCrash Activity J by 3 weeks @ $1,000/week
3($28,000) – 3($1,000) = $81,0003($28,000) – 3($1,000) = $81,000$2,624,000 – $81,000 = $2,543,000$2,624,000 – $81,000 = $2,543,000
FinishStart
A12
B9
C10
D10
E24
F10
G35
H40
I15
J11
K6
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,543,000Total cost = $2,624,000 $2,543,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
Critical Path B-D-H-J-K: 66 weeksCritical Path B-D-H-J-K: 66 weeksCrash Activity D by 2 weeks @ $2,000/weekCrash Activity D by 2 weeks @ $2,000/week
Minimum-Cost ScheduleMinimum-Cost Schedule
Example 8.5Example 8.5
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,543,000Total cost = $2,624,000 $2,543,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
Critical Path B-D-H-J-K: 66 weeksCritical Path B-D-H-J-K: 66 weeksCrash Activity D by 2 weeks @ $2,000/weekCrash Activity D by 2 weeks @ $2,000/week
$28,000 + $8,000 – 2($2,000) = $32,000$28,000 + $8,000 – 2($2,000) = $32,000$2,543,000 – $32,000 = $2,511,000$2,543,000 – $32,000 = $2,511,000
Minimum-Cost ScheduleMinimum-Cost Schedule
Example 8.5Example 8.5
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,511,000Total cost = $2,624,000 $2,511,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
Critical Path B-D-H-J-K: 64 weeksCritical Path B-D-H-J-K: 64 weeksCrash Activity D by 2 weeks @ $2,000/weekCrash Activity D by 2 weeks @ $2,000/week
$28,000 + $8,000 – 2($2,000) = $32,000$28,000 + $8,000 – 2($2,000) = $32,000$2,543,000 – $32,000 = $2,511,000$2,543,000 – $32,000 = $2,511,000
Minimum-Cost ScheduleMinimum-Cost Schedule
Example 8.5Example 8.5
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,511,000Total cost = $2,624,000 $2,511,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
Critical Path B-D-H-J-K: 64 weeksCritical Path B-D-H-J-K: 64 weeksCrash Activity D by 2 weeks @ $2,000/weekCrash Activity D by 2 weeks @ $2,000/week
$28,000 + $8,000 – 2($2,000) = $32,000$28,000 + $8,000 – 2($2,000) = $32,000$2,543,000 – $32,000 = $2,511,000$2,543,000 – $32,000 = $2,511,000
Minimum-Cost ScheduleMinimum-Cost ScheduleSt. Adolf’s HospitalSt. Adolf’s Hospital
FinishStart
A12
B9
C10
D10
E24
F10
G35
H40
I15
J11
K6
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,511,000Total cost = $2,624,000 $2,511,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
Critical Path B-D-H-J-K: 64 weeksCritical Path B-D-H-J-K: 64 weeksCrash Activity D by 2 weeks @ $2,000/weekCrash Activity D by 2 weeks @ $2,000/week
$28,000 + $8,000 – 2($2,000) = $32,000$28,000 + $8,000 – 2($2,000) = $32,000$2,543,000 – $32,000 = $2,511,000$2,543,000 – $32,000 = $2,511,000
Minimum-Cost ScheduleMinimum-Cost ScheduleSt. Adolf’s HospitalSt. Adolf’s Hospital
Start
A12
B9
D10
E24
F10
FinishC10
G35
H40
I15
J11
K6
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,511,000Total cost = $2,624,000 $2,511,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
Critical Paths B-D-H-J-K and A-C-G-J-K: 64 weeksCritical Paths B-D-H-J-K and A-C-G-J-K: 64 weeksCrash Activity K by 1 week @ $4,000/weekCrash Activity K by 1 week @ $4,000/week
Minimum-Cost ScheduleMinimum-Cost Schedule
Example 8.5Example 8.5
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,511,000Total cost = $2,624,000 $2,511,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
Critical Paths B-D-H-J-K and A-C-G-J-K: 64 weeksCritical Paths B-D-H-J-K and A-C-G-J-K: 64 weeksCrash Activity K by 1 week @ $4,000/weekCrash Activity K by 1 week @ $4,000/week
$8,000 – $4,000 = $4,000$8,000 – $4,000 = $4,000$2,511,000 – $4,000 = $2,507,000$2,511,000 – $4,000 = $2,507,000
Minimum-Cost ScheduleMinimum-Cost Schedule
Example 8.5Example 8.5
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,507,000Total cost = $2,624,000 $2,507,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
Critical Paths B-D-H-J-K and A-C-G-J-K: 63 weeksCritical Paths B-D-H-J-K and A-C-G-J-K: 63 weeksCrash Activity K by 1 week @ $4,000/weekCrash Activity K by 1 week @ $4,000/week
$8,000 – $4,000 = $4,000$8,000 – $4,000 = $4,000$2,511,000 – $4,000 = $2,507,000$2,511,000 – $4,000 = $2,507,000
Minimum-Cost ScheduleMinimum-Cost Schedule
Example 8.5Example 8.5
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,507,000Total cost = $2,624,000 $2,507,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
Critical Paths B-D-H-J-K and A-C-G-J-K: 63 weeksCritical Paths B-D-H-J-K and A-C-G-J-K: 63 weeksCrash Activity K by 1 week @ $4,000/weekCrash Activity K by 1 week @ $4,000/week
$8,000 – $4,000 = $4,000$8,000 – $4,000 = $4,000$2,511,000 – $4,000 = $2,507,000$2,511,000 – $4,000 = $2,507,000
Minimum-Cost ScheduleMinimum-Cost ScheduleSt. Adolf’s HospitalSt. Adolf’s Hospital
FinishStart
A12
B9
C10
D88
E24
F10
G35
H40
I15
J11
K6
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,507,000Total cost = $2,624,000 $2,507,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
Critical Paths B-D-H-J-K and A-C-G-J-K: 63 weeksCritical Paths B-D-H-J-K and A-C-G-J-K: 63 weeksCrash Activity K by 1 week @ $4,000/weekCrash Activity K by 1 week @ $4,000/week
$8,000 – $4,000 = $4,000$8,000 – $4,000 = $4,000$2,511,000 – $4,000 = $2,507,000$2,511,000 – $4,000 = $2,507,000
Minimum-Cost ScheduleMinimum-Cost ScheduleSt. Adolf’s HospitalSt. Adolf’s Hospital
FinishStart
A12
B9
C10
D88
E24
F10
G35
H40
I15
J11
K55
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Critical Paths B-D-H-J-K and A-C-G-J-K: 63 weeksCritical Paths B-D-H-J-K and A-C-G-J-K: 63 weeksCrash Activities B and C by 2 weeks Crash Activities B and C by 2 weeks @ $7,000/week and $600/week@ $7,000/week and $600/week
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,507,000Total cost = $2,624,000 $2,507,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
Minimum-Cost ScheduleMinimum-Cost Schedule
Example 8.5Example 8.5
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Critical Paths B-D-H-J-K and A-C-G-J-K: 63 weeksCritical Paths B-D-H-J-K and A-C-G-J-K: 63 weeksCrash Activities B and C by 2 weeks Crash Activities B and C by 2 weeks @ $7,000/week and $600/week@ $7,000/week and $600/week
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,507,000Total cost = $2,624,000 $2,507,000Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
2($8,000) – 2($7,600) = $8002($8,000) – 2($7,600) = $800$2,507,000 – $800 = $2,506,200$2,507,000 – $800 = $2,506,200
Minimum-Cost ScheduleMinimum-Cost Schedule
Example 8.5Example 8.5
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Critical Paths B-D-H-J-K and A-C-G-J-K: 61 weeksCritical Paths B-D-H-J-K and A-C-G-J-K: 61 weeksCrash Activities B and C by 2 weeks Crash Activities B and C by 2 weeks @ $7,000/week and $600/week@ $7,000/week and $600/week
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,506,200Total cost = $2,624,000 $2,506,200Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
2($8,000) – 2($7,600) = $8002($8,000) – 2($7,600) = $800$2,507,000 – $800 = $2,506,200$2,507,000 – $800 = $2,506,200
Minimum-Cost ScheduleMinimum-Cost Schedule
Example 8.5Example 8.5
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Critical Paths B-D-H-J-K and A-C-G-J-K: 61 weeksCritical Paths B-D-H-J-K and A-C-G-J-K: 61 weeksCrash Activities B and C by 2 weeks Crash Activities B and C by 2 weeks @ $7,000/week and $600/week@ $7,000/week and $600/week
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,506,200Total cost = $2,624,000 $2,506,200Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
2($8,000) – 2($7,600) = $8002($8,000) – 2($7,600) = $800$2,507,000 – $800 = $2,506,200$2,507,000 – $800 = $2,506,200
Minimum-Cost ScheduleMinimum-Cost ScheduleSt. Adolf’s HospitalSt. Adolf’s Hospital
FinishStart
A12
B9
C10
D88
E24
F10
G35
H40
I15
J11
K55
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Critical Paths B-D-H-J-K and A-C-G-J-K: 61 weeksCritical Paths B-D-H-J-K and A-C-G-J-K: 61 weeksCrash Activities B and C by 2 weeks Crash Activities B and C by 2 weeks @ $7,000/week and $600/week@ $7,000/week and $600/week
A-I-K:A-I-K: 33 weeks33 weeks B-D-H-J-K:B-D-H-J-K: 69 weeks69 weeksA-F-K:A-F-K: 28 weeks28 weeks B-E-J-K:B-E-J-K: 43 weeks43 weeksA-C-G-J-K:A-C-G-J-K: 67 weeks67 weeks
Total cost = $2,624,000 $2,506,200Total cost = $2,624,000 $2,506,200Indirect costs = $8,000/weekIndirect costs = $8,000/weekPenalty cost = $20,000/week after week 65Penalty cost = $20,000/week after week 65
2($8,000) – 2($7,600) = $8002($8,000) – 2($7,600) = $800$2,507,000 – $800 = $2,506,200$2,507,000 – $800 = $2,506,200
Minimum-Cost ScheduleMinimum-Cost ScheduleSt. Adolf’s HospitalSt. Adolf’s Hospital
FinishStart
A12
B77
C88
D88
E24
F10
G35
H40
I15
J11
K55
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Coors FieldCoors Field
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Probabilistic Time EstimatesProbabilistic Time Estimates
Figure 8.12 (a) Beta DistributionFigure 8.12 (a) Beta Distribution
MeanMeanmmaa bb TimeTime
Prob
abili
tyPr
obab
ility
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Probabilistic Time EstimatesProbabilistic Time Estimates
TimeTime
Prob
abili
tyPr
obab
ility
Figure 8.12 (b) Normal DistributionFigure 8.12 (b) Normal DistributionMeanMean
aa bbmm33 33
Area under curve Area under curve between between aa and and bb is 99.74%is 99.74%
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St. Adolf’s HospitalSt. Adolf’s HospitalProbabilistic Probabilistic Time EstimatesTime Estimates
A F
I
C G Finish
D
E
HB J
K
Start
ttee = =aa + 4 + 4mm + + bb
66
MeanMean
22 = = ( )( )bb –– aa66
22
VarianceVariance
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Activity BActivity BMostMost
OptimisticOptimistic LikelyLikely PessimisticPessimistic((aa)) ((mm)) ((bb))77 88 1515
Probabilistic Probabilistic Time EstimatesTime Estimates
A F
I
C G Finish
D
E
HB J
K
Start
Example 8.6Example 8.6
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Activity BActivity BMostMost
OptimisticOptimistic LikelyLikely PessimisticPessimistic((aa)) ((mm)) ((bb))77 88 1515
Probabilistic Probabilistic Time EstimatesTime Estimates
ttee = = 9 weeks = = 9 weeks7 + 4(8) + 157 + 4(8) + 1566
22 = = 1.78 = = 1.78( )( )15 - 715 - 766
22
A F
I
C G Finish
D
E
HB J
K
Start
Example 8.6Example 8.6
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Example 8.6Example 8.6
St. Adolf’s HospitalSt. Adolf’s Hospital
Optimistic Likely Pessimistic Expected VarianceActivity (a) (m) (b) Time (te ) (2 )
Time Estimates (wk) Activity Statistics
A 11 12 13 12 0.11B 7 8 15 9 1.78C 5 10 15 10 2.78D 8 9 16 10 1.78E 14 25 30 24 7.11F 6 9 18 10 4.00G 25 36 41 35 7.11H 35 40 45 40 2.78I 10 13 28 15 9.00J 1 2 15 4 5.44K 5 6 7 6 0.11
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
2 = (variances of activities) z = T – TE
2
2 = 1.78 + 1.78 + 2.78 + 5.44 + 0.11 = 11.89
z = 72 – 69 11.89
ProbabilitiesCritical Path = B - D - H - J - K
T = 72 days TE = 69 days
Example 8.7Example 8.7
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
2 = (variances of activities) z = T – TE
2
2 = 1.78 + 1.78 + 2.78 + 5.44 + 0.11 = 11.89
z = = 0.8772 – 69 11.89
ProbabilitiesCritical Path = B - D - H - J - K
T = 72 days TE = 69 days
From Appendix 2Pz = .8078 .81
Example 8.7Example 8.7
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
Example 8.7Example 8.7
2 = (variances of activities) z = T – TE
2
2 = 1.78 + 1.78 + 2.78 + 5.44 + 0.11 = 11.89
z = = 0.8772 – 69 11.89
ProbabilitiesCritical Path = B - D - H - J - K
T = 72 days TE = 69 days
From Appendix 2Pz = .8078 .81Project duration (weeks)Project duration (weeks)
6969 7272
Probability of Probability of meeting the meeting the schedule is schedule is 0.80780.8078
Length of Length of critical pathcritical path
Normal distribution: Normal distribution: Mean = 69 weeks; Mean = 69 weeks; = 3.45 weeks = 3.45 weeks
Probability of Probability of exceeding 72 exceeding 72 weeks is 0.1922 weeks is 0.1922
Figure 8.13Figure 8.13
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
St. Adolf’s HospitalSt. Adolf’s Hospital
2 = (variances of activities) z = T – TE
2
2 = 0.11 + 2.78 + 7.11 + 5.44 + 0.11 = 15.55
z = = 1.2772 – 67 15.55
ProbabilitiesPath = A - C - G - J - K
T = 72 days TE = 67 days
From Appendix 2Pz = .8980 .90
Example 8.7Example 8.7
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
A F
I
C G Finish
D
E
HB J
K
Start
St. Adolf’s HospitalSt. Adolf’s Hospital
Activity Duration Earliest Start Latest Start Slack
C 10 16 14 –2G 35 26 24 –2J 4 61 59 –2K 6 65 63 –2D 10 10 9 –1H 40 20 19 –1E 24 10 35 25I 15 16 48 32F 10 16 53 37
TABLE 8.2 SLACK CALCULATIONS AFTER ACTIVITIES AAND B HAVE BEEN COMPLETED
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Project Life CycleProject Life Cycle
StartStart FinishFinish
Res
ourc
e re
quire
men
tsR
esou
rce
requ
irem
ents
TimeTimeFigure 8.14Figure 8.14
Definition Definition and and
organizationorganization
PlanningPlanning ExecutionExecution Close outClose out
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Solved Problem 1Solved Problem 1
Finish
Start
A4
B7
C5
D6
E3
F11
G4
H3
Figure 8.15Figure 8.15
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Solved Problem 2Solved Problem 2
Finish
Start
A
B
C
D
E
F
G
Figure 8.16(a) AON NetworkFigure 8.16(a) AON Network
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Solved Problem 2Solved Problem 2
Figure 8.16(b) AOA NetworkFigure 8.16(b) AOA Network
Finish
Start
1
2
3
F
A
B C
D
E
F
G
DummyDummy
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Solved Problem 2Solved Problem 2
Finish
Start
Figure 8.17Figure 8.17
A
4.0
0.04.0
4.08.0
D
12.0
4.08.0
16.020.0
E
6.5
9.09.0
15.515.5
G
4.5
15.515.5
20.020.0
C
3.55.55.5
9.09.0
F
9.0
5.56.5
14.515.5
B
5.50.00.0
5.55.5
To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved.
Solved Problem 2Solved Problem 2
Finish
Start
Figure 8.17Figure 8.17
A
4.0
0.04.0
4.08.0
D
12.0
4.08.0
16.020.0
E
6.5
9.09.0
15.515.5
G
4.5
15.515.5
20.020.0
C
3.55.55.5
9.09.0
F
9.0
5.56.5
14.515.5
B
5.50.00.0
5.55.5
Start
1
ES EF
LS LF
0 4
4 8
A