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Arrow Diagramming Method (ADM) (Activity On Arrows (AOA) Method) Construction Project Management 2013. 4.9. Hyoungkwan Kim, PhD, PEng Yonsei University

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Page 1: Arrow Diagramming Method (ADM) (Activity On Arrows ...aim.yonsei.ac.kr/download.aspx?filename=CEE4408-2013-01-Lecture… · Process Simulation Combined with BIM Mohamed Al‐Hussein,

Arrow Diagramming Method (ADM)(Activity On Arrows (AOA) Method)

Construction Project Management

2013. 4.9.Hyoungkwan Kim, PhD, PEng

Yonsei University

Page 2: Arrow Diagramming Method (ADM) (Activity On Arrows ...aim.yonsei.ac.kr/download.aspx?filename=CEE4408-2013-01-Lecture… · Process Simulation Combined with BIM Mohamed Al‐Hussein,

Terminologies

• Early Start (ES) • Late Start (LS)• Early Finish (EF)• Late Finish (LF) • Event• Early Event Time (EET)• Late Event Time (LET)

Page 3: Arrow Diagramming Method (ADM) (Activity On Arrows ...aim.yonsei.ac.kr/download.aspx?filename=CEE4408-2013-01-Lecture… · Process Simulation Combined with BIM Mohamed Al‐Hussein,

AOA Notation

Page 4: Arrow Diagramming Method (ADM) (Activity On Arrows ...aim.yonsei.ac.kr/download.aspx?filename=CEE4408-2013-01-Lecture… · Process Simulation Combined with BIM Mohamed Al‐Hussein,

Predecessor and Successor

Page 5: Arrow Diagramming Method (ADM) (Activity On Arrows ...aim.yonsei.ac.kr/download.aspx?filename=CEE4408-2013-01-Lecture… · Process Simulation Combined with BIM Mohamed Al‐Hussein,

Merge and Burst

F (4)70

D (5)50

E (3)60

G (5)80

10

A (5)10

B (3)20 40

C (7)30

Page 6: Arrow Diagramming Method (ADM) (Activity On Arrows ...aim.yonsei.ac.kr/download.aspx?filename=CEE4408-2013-01-Lecture… · Process Simulation Combined with BIM Mohamed Al‐Hussein,

Cross

Page 7: Arrow Diagramming Method (ADM) (Activity On Arrows ...aim.yonsei.ac.kr/download.aspx?filename=CEE4408-2013-01-Lecture… · Process Simulation Combined with BIM Mohamed Al‐Hussein,

Dummy Activities

Page 8: Arrow Diagramming Method (ADM) (Activity On Arrows ...aim.yonsei.ac.kr/download.aspx?filename=CEE4408-2013-01-Lecture… · Process Simulation Combined with BIM Mohamed Al‐Hussein,

Need for Dummy Activities

X O

Page 9: Arrow Diagramming Method (ADM) (Activity On Arrows ...aim.yonsei.ac.kr/download.aspx?filename=CEE4408-2013-01-Lecture… · Process Simulation Combined with BIM Mohamed Al‐Hussein,

ES, EF, and EET example

3 6

6

6 10

10

Page 10: Arrow Diagramming Method (ADM) (Activity On Arrows ...aim.yonsei.ac.kr/download.aspx?filename=CEE4408-2013-01-Lecture… · Process Simulation Combined with BIM Mohamed Al‐Hussein,

A (4)70

3

D (5)110

B (5)80 100

2

C (6)90

2

ES, EF, and EET example

3 7

2 7

2 8

8

8 13

13

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LS, LF, LET, TF, and FF example

106663300

00

Page 12: Arrow Diagramming Method (ADM) (Activity On Arrows ...aim.yonsei.ac.kr/download.aspx?filename=CEE4408-2013-01-Lecture… · Process Simulation Combined with BIM Mohamed Al‐Hussein,

LS, LF, LET, TF, and FF example

1510

159

1410

99500

10

00

10

Page 13: Arrow Diagramming Method (ADM) (Activity On Arrows ...aim.yonsei.ac.kr/download.aspx?filename=CEE4408-2013-01-Lecture… · Process Simulation Combined with BIM Mohamed Al‐Hussein,

ADM Computation Example

Page 14: Arrow Diagramming Method (ADM) (Activity On Arrows ...aim.yonsei.ac.kr/download.aspx?filename=CEE4408-2013-01-Lecture… · Process Simulation Combined with BIM Mohamed Al‐Hussein,

PDM vs. ADM

• PDM(AON)– Four types of dependencies– No dummy activities– Widely used today– The length of arrow does not mean the duration

• ADM(AON)– Finish to start relationship only– Dummy activities– Widely used in the past– The length of arrow can mean the duration

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History of CPM• 1956: E.I. du Pont de Nemours company started R&D group – New Mgmt. Techniques

• 1957: Kelly Walker Method (Basic CPM) – UNIVAC Application Research Center

• 1958: Great success was achieved in a test case• 1959: CPM was presented to the public• 1960 ~ 65: CPM caption replaced Kelley Walker (Main Chain Technique)

• 1965 ~ 70: CPM was recast into PDM• 1970 ~ 80: This decade saw the evolution of CM and increase in construction litigation citing delay as a cause of damages

• 1980 ~ 89: CPM software development for PC systems

Source: Popescu and Charoenngam 1994

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Advantages and Limitations of CPM Advantages• Improvement in 

– communication – scope definition– work assignment– documentation– Time‐cost‐resource correlation

Limitations• Difficult to develop• Difficult to update• Difficult to visualize the process

Many contractors use CPM just for contractual reasons

Page 17: Arrow Diagramming Method (ADM) (Activity On Arrows ...aim.yonsei.ac.kr/download.aspx?filename=CEE4408-2013-01-Lecture… · Process Simulation Combined with BIM Mohamed Al‐Hussein,

Building Information Modeling (BIM) / 4D Visualization

Jung Jun Park, Byungil Kim, Changyoon Kim, and Hyoungkwan Kim (2011). "3D/4D CAD Applicability for Life Cycle Facility Management" Journal of Compu ng in Civil Engineering, 25(2), 129―138.

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BIM / 4D Visualization

Changyoon Kim, Hyoungkwan Kim, Taekwun Park, and Moon Kyum Kim (2011). "Applicability of 4D CAD in Civil Engineering Construction: Case Study of a Cable‐Stayed Bridge Project" Journal of Compu ng in Civil Engineering, 25(1), 98―107.

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Process Simulation Combined with BIM

Mohamed Al‐Hussein, Muhammad Athar Niaz, Haitao Yu, and Hyoungkwan Kim (2006). "Integrating 3D Visualization and Simula on for Tower Crane Opera ons on Construc on Sites" Automa on in Construc on, 15(5), 554―562.

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Automated Site Monitoring

Changyoon Kim, Hyoungkwan Kim, Jeoungpil Ryu, and Changwan Kim (2011). "Ubiquitous Sensor Network for Construction Material Monitoring" Journal of Construc on Engineering and Management, 137(2), 158―165.