PROJECT PLANNING AND CONTROL

COURSE ASSESSMENT 2

Late Penalty System

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CASE #4 THE DEVELOPMENT OF A PERT NETWORK DIAGRAM AND ITS
COMPUTATION
IMPORTANTLY, this case assignment will be assessed and the submission
deadline is 5 October 2014, Sunday (23:55 Beijing time)

Following Case 3, when developing the schedule of the AEC project, the time estimates of
some activities are found to appear uncertain. The following table provides optimistic, most
likely, and pessimistic time estimates of the uncertain activities of the AEC project.

No
Activity Name
Optimisti
c Time
(days)
Most
Likely
Time
days)
Pessi
mistic
Time
(days
)
Uncertainties
1 Project proposal
development and its
approval (being merged
into the whole Airport
Expansion Project)
180
210
270 The uncertainty in
obtaining the approval
2 Project feasibility study
and its approval (being
merged into the whole
Airport Expansion
Project)
180
210
270 The uncertainty in
obtaining the approval
3
Land acquisition and
clearance
120
150
210 The uncertainty in
negotiating the
compensation and
resettlement with the
related residents or the
companies
4 Preliminary design and
its approval (being
merged into the whole
Airport Expansion
Project)
300
330
390 The uncertainty in
obtaining the approval
5 Construction site
preparation
30
30
30 No uncertainty
6 Construction drawing
design 90 90
90 No uncertainty
7
Bidding for the
construction and basic
installation
45
60
90 The uncertainty in
handling the complaints
according to the
tendering law
8 Piling 45 45 45 No uncertainty
9
Earthwork and
foundation works
60
75
90 The uncertainty caused
by the bad weather,
e.g., rainstorm, tropical
storm, typhoon
10 Reinforced concrete 60 60 60 No uncertainty
Please ensure you include your student number and the assignment reference (PPC/Student
Number/Jul14/2) in all submitted assignments and that assignments are paginated. Failure to
do this may lead either to a grade not being assigned or being wrongly assigned
works
11 Roof works 45 45 45 No uncertainty
12 Basic installation
(electrical wiring,
plumbing, drainage,
sewer, etc.)
45
45
45 No uncertainty
13 Interior decoration
works
330
330
330 No uncertainty
14 The works of the
outdoor ground and road
90
90
90 No uncertainty
15 Technical need
identification for the
power supply and
distribution system
90
90
90 No uncertainty
16
Bidding for the power
supply and distribution
system
45
60
120 The uncertainty in
handling the complaints
according to the
tendering law
17 Manufacturing and
delivery for the power
supply and distribution
system
120
120
120 No uncertainty
18 Technical need
identification for the
boiler and water
treatment equipment
90
90
90 No uncertainty
19
Bidding for the boiler
and water treatment
equipment
45
60
120 The uncertainties in
handling the complaints
according to the
tendering law and in
procuring the imported
goods
20 Manufacturing and
delivery for the boiler
and water treatment
equipment
90
120
150 The uncertainty in the
delivery of long
distance
21 Technical need
identification for the
cooling tower
90
90
90 No uncertainty
22
Bidding for the cooling
tower
45
60
120 The uncertainty in
handling the complaints
according to the
tendering law
23 Manufacturing and
delivery for the cooling
tower
120
120
120 No uncertainty
24 Technical need
identification for the
centrifugal water chillers
90
90
90 No uncertainty
Please ensure you include your student number and the assignment reference (PPC/Student
Number/Jul14/2) in all submitted assignments and that assignments are paginated. Failure to
do this may lead either to a grade not being assigned or being wrongly assigned
25
Bidding for the
centrifugal water chillers
60
60
150 The uncertainties in
handling the complaints
according to the
tendering law and in
procuring the imported
goods
26 Manufacturing and
delivery for the
centrifugal water chillers
90
120
150 The uncertainty in the
delivery of long
distance
27 Technical need
identification for the
water pumps
90
90
90 No uncertainty
28
Bidding for the water
pumps
45
60
120 The uncertainty in
handling the complaints
according to the
tendering law
29 Manufacturing and
delivery for the water
pumps
120
120
120 No uncertainty
30 Technical need
identification for the
chilled water storage and
distribution system
90
90
90 No uncertainty
31
Bidding for the chilled
water storage and
distribution system
45
60
120 The uncertainty in
handling the complaints
according to the
tendering law
32 Manufacturing and
delivery for the chilled
water storage and
distribution system
120
120
120 No uncertainty
33 Technical need
identification for the fire
extinguishing system
90
90
90 No uncertainty
34
Bidding for the fire
extinguishing system
45
60
120 The uncertainty in
handling the complaints
according to the
tendering law
35 Manufacturing and
delivery for the fire
extinguishing system
120
120
120 No uncertainty
36 Technical need
identification for the
premises distribution
system
90
90
90 No uncertainty
37
Bidding for the premises
distribution system
45
60
120 The uncertainty in
handling the complaints
according to the
tendering law
Please ensure you include your student number and the assignment reference (PPC/Student
Number/Jul14/2) in all submitted assignments and that assignments are paginated. Failure to
do this may lead either to a grade not being assigned or being wrongly assigned

38 Manufacturing and
delivery for the premises
distribution system
120
120
120 No uncertainty
39 Technical need
identification for the
electric power
monitoring system
90
90
90 No uncertainty
40
Bidding for the electric
power monitoring
system
45
60
120 The uncertainty in
handling the complaints
according to the
tendering law
41 Manufacturing and
delivery for the electric
power monitoring
system
120
120
120 No uncertainty
42 Technical need
identification for the fire
alarm system
90
90
90 No uncertainty
43
Bidding for the fire
alarm system
45
60
120 The uncertainty in
handling the complaints
according to the
tendering law
44 Manufacturing and
delivery for the fire
alarm system
120
120
120 No uncertainty
45 Technical need
identification for the
cable system
90
90
90 No uncertainty
46
Bidding for the cable
45
60
120 The uncertainty in
handling the complaints
according to the
tendering law
47 Manufacturing and
delivery for the cable
system
120
120
120 No uncertainty
48 Technical need
identification for the
boiler monitoring system
90
90
90 No uncertainty
49
Bidding for the boiler
monitoring system
45
60
120 The uncertainty in
handling the complaints
according to the
tendering law
50 Manufacturing and
delivery for the boiler
monitoring system
120
120
120 No uncertainty
51 Technical need
identification for the
integrated monitoring
system
90
90
90 No uncertainty
Please ensure you include your student number and the assignment reference (PPC/Student
Number/Jul14/2) in all submitted assignments and that assignments are paginated. Failure to
do this may lead either to a grade not being assigned or being wrongly assigned
52
Bidding for the
integrated monitoring
system
45
60
120 The uncertainty in
handling the complaints
according to the
tendering law
53 Manufacturing and
delivery for the
integrated monitoring
system
120
120
120 No uncertainty
54 Technical need
identification for the
multi-connected unit air
conditioning system
90
90
90 No uncertainty
55
Bidding for the multi-connected unit air
conditioning system
60
60
150 The uncertainties in
handling the complaints
according to the
tendering law and in
procuring the imported
goods
56 Manufacturing and
delivery for the multi-connected unit air
conditioning system
90
120
150 The uncertainty in the
delivery of long
distance
57 Technical need
identification for the
installations of the
specialized equipment
and systems
90
90
90 No uncertainty
58 Bidding for the
installations of the
specialized equipment
and systems
45
60
90 The uncertainty in
handling the complaints
according to the
tendering law
59
The installations for the
specialized equipment
and systems
210
240
270 The uncertainty in the
timely payment because
of the financial pressure
of the client/owner
60
The commissioning for
the specialized
equipment and systems
30
45
90 The uncertainty in
getting the power
supply and the water
supply of meeting the
commissioning
requirement
61
Completion and
preliminary check
15
30
45 The uncertainty in the
improvement to meet
all the technical and
operational
requirements
62 Completion and final
check
30
30
30 No uncertainty
63 Project handover 75 75 75 No uncertainty
64 Ready start-up 0 0 0 No uncertainty
Please ensure you include your student number and the assignment reference (PPC/Student
Number/Jul14/2) in all submitted assignments and that assignments are paginated. Failure to
do this may lead either to a grade not being assigned or being wrongly assigned

QUESTIONS
1. Which uncertainties need to be considered when you make the schedule of the AEC
project?
2. Develop the optimistic, pessimistic and expected Gantt chart and network diagram, and
compute the optimistic, pessimistic and expected start time of the AEC project using MS
Project if the progress objective of the AEC project is 31 March 2013. Discuss if there is
any change of the critical path from the optimistic network diagram to the pessimistic
network diagram.
3. Compute the project finish times with low risks, base-risks and high risks by using MS
Project plus RiskyProject (download RiskyProject Professional from
http://www.intaver.com and also read http://www.intaver.com/index-projectmanagementforeducation1.html: the students may download 30-day trial licenses).
（This question is for your further study and you are NOT required to submit the answer
to this question）
4. Compare your answers for the
1st
,
2nd
and
3rd
question with those given by Mr. He; find the
differences and discuss each difference.（You are NOT required to submit the answer to
this question and you are required to do this question after you submit your answers to
Questions 1, 2 and 3.）

THE REFERENCE ANSWERS OF CASE 2

1. Develop your OBS (Organizational Breakdown Structure) corresponding to all activities
developed in Case 1.

The Headquarters is first broken down into the departmental level and then further broken down
into the next level, for example, the OBS component “Architectural Planning and Design
Department (APDD)” is further broken down into “The manager for the project proposal
development and feasibility study”, “The manager for the architectural design”, etc., and the OBS
component “Equipment Department (ED)” is further broken down into “The manager for power
supply and distribution systems”, “The manager for boilers and water treatment equipment”, “The
manager for cooling towers”, etc. The graphical representation of the OBS of the Shanghai Airport
Construction Headquarters is shown as follows.

Figure 4 The graphical representation of the OBS of the Shenz Airport Construction Headquarters

2. Develop your RACI Matrix to show the relationships of the WBS (developed in Case 1) and the OBS.

The RACI Matrix of the project of the AEC is shown in the following table.

1
Pre-project preparation

Project proposal development and its approval (being merged into the
whole Airport Expansion Project)
C R/A
Project feasibility study and its approval (being merged into the
whole Airport Expansion Project)
C R/A I I

Land acquisition and clearance
C    R/A                  I
Preliminary design and its approval    (Being merged into the whole
Airport Expansion Project)
C R/A    I                I

Construction site preparation
C R/A
2
Construction and basic installation

Construction drawing design
R/A C C

Bidding for the construction and basic installation
R/A C C C

Piling
C R/A

Earthwork and foundation works
C R/A

Reinforced concrete and structure works
C C R/A

Roof works
C C R/A

Basic installation (electrical wiring, plumbing, drainage, sewer, etc.)
C C R/A

Interior decoration works
C C R/A

The works of the outdoor ground and road
C R/A
3
The installations for the specialized equipment and systems

3.1
Power supply and distribution system

Technical need identification for the power supply and distribution
system
C R/A

Bidding for the power supply and distribution system
I C R/A
Manufacturing and delivery for the power supply and distribution
system
R/A I
3.2
Boiler and water treatment equipment

The WBS and Activities
Department

A
Technical need identification for the boiler and water treatment
equipment
C R/A

Bidding for the boiler and water treatment equipment
I C R/A
Manufacturing and delivery for the boiler and water treatment
equipment
R/A I
3.3
Cooling tower

Technical need identification for the cooling tower
C R/A

Bidding for the cooling tower
I C R/A

Manufacturing and delivery for the cooling tower R/A I
3.4
Centrifugal water chillers

Technical need identification for the centrifugal water chillers
C R/A

Bidding for the centrifugal water chillers
I C R/A

Manufacturing and delivery for the centrifugal water chillers
R/A I
3.5
Water pumps

Technical need identification for the water pumps
C R/A

Bidding for the water pumps
I C R/A

Manufacturing and delivery for the water pumps R/A I
3.6
Chilled water storage and distribution system

Technical need identification for the chilled water storage and
distribution system
C R/A

Bidding for the chilled water storage and distribution system
I C R/A
Manufacturing and delivery for the chilled water storage and
distribution system
R/A I
3.7
Fire extinguishing system

Technical need identification for the fire extinguishing system
C R/A

Bidding for the fire extinguishing system
I C R/A

Manufacturing and delivery for the fire extinguishing system
R/A I
3.8
Premises distribution system

Technical need identification for the premises distribution system
C R/A

Bidding for the premises distribution system
I C R/A

Manufacturing and delivery for the premises distribution system
R/A I
3.9
Electric power monitoring system

The WBS and Activities
Department

Technical need identification for the electric power monitoring
system
C R/A

Bidding for the electric power monitoring system
I C R/A
Manufacturing and delivery for the electric power monitoring system
R/A I
3.10
Fire alarm system

Technical need identification for the fire alarm system
C R/A

Bidding for the fire alarm system
I C R/A

Manufacturing and delivery for the fire alarm system
R/A I
3.11
Cable system

Technical need identification for the cable system
C R/A

Bidding for the cable system
I C R/A

Manufacturing and delivery for the cable system R/A I
3.12
Boiler monitoring system

Technical need identification for the boiler monitoring system
C R/A

Bidding for the boiler monitoring system
I C R/A

Manufacturing and delivery for the boiler monitoring system
R/A I
3.13
The integrated monitoring system

Technical need identification for the integrated monitoring system
C R/A

Bidding for the integrated monitoring system
I C R/A

Manufacturing and delivery for    the integrated monitoring system
R/A                I
3.14
Multi-connected unit air conditioning system
Technical need identification for multi-connected unit air
conditioning system
C    R/A

Bidding for multi-connected unit air conditioning system
I C R/A
Manufacturing and delivery for multi-connected unit air conditioning
system
R/A I
3.15 Bidding and installations for the specialized equipment and
systems

Technical need identification for the installations of the specialized
equipment and systems
R/A C C
Bidding for the installations of the specialized equipment and
systems
R/A C C C
The WBS and Activities
Department

3
No. PFD APD
D
LD ED ISD OGE HR
MD
LDA
B
SSD EDF
A
ED
TA
ED
CS
A

The installations for the specialized equipment and systems
C C R/A

The commissioning for the specialized equipment and systems
C C R/A
4
Completion and check

Completion and preliminary check
C C R/A

Completion and final check
C R/A I I C
5
Handover and start-up

Project handover
R/A I C

Ready start-up
R/A I C

The WBS and Activities
Department

3. Compare the OBS and RACI Matrix developed by you with those developed by Mr. He; find
the differences and discuss each difference.
(Self-discussion)

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