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TIME AND COST CONTROLLING USING CRITICAL PATH
METHOD (CASE STUDY AT PALUR FLY-OVER SURAKARTA)
A THESIS
Submitted as a Partial Fullfilment of the Requirements
For the completion of Getting the Postgraduate Degree in Civil Engineeringstudy Program
Arranged by:
Adel Issa Elsosan
S 100130016
POSTGRADUATE PROGRAM
DEPARTMENT OF CIVIL ENGINEERING
UNIVERSITAS MUHAMMADIYAH SURAKARTA
2015
ii
TIME AND COST CONTROLLING USING CRITICAL PATH
METHOD (CASE STUDY AT PALUR FLY-OVER SURAKARTA)
A THESIS
Submitted as a Partial Fullfilment of the Requirements
For the completion of Getting the Postgraduate Degree in Civil Engineeringstudy Program
Arranged by:
Adel Issa Elsosan
S 100130016
POSTGRADUATE PROGRAM
DEPARTMENT OF CIVIL ENGINEERING
UNIVERSITAS MUHAMMADIYAH SURAKARTA
2015
vii
ABSTRACT
ABSTRACT-The purpose of this study is to (1.To analyze the remaining work itemsat month of 14th from the project starts, 2). To analyze the remaining cost items at month of14th after the project start. And the last is 3). To reschedule and to optimize the time and costby use Critical Path Method (CPM).
This study will analyze time and cost controlling by using CPM approach on theproject. Based on the background of the study, the statements of the problems can beformulated as follows: (1) How is rescheduling in optimization of time on Palur Fly over ofSurakarta by using Critical Path Method (CPM)? and (2) How is the implement of the normaland the crash of the cost on Palur flyover in Surakarta by using Critical Path Method (CPM)?.The writer analyzed the fly-over project implementation fly over Palur in Surakarta whetheraccording to the time plan. By rescheduling the plan and make optimization of time andminimizing cost with CPM (Critical Path Method).
Based on the result and discussion, the conclusion of this research as follows: Theimplementation of the project is not in accordance with the plan, it is too late because of theweather and can be solved by increasing the valve of workers. Based on the reschedulingalternatives can be implemented as the alternative I with 160 days shorter and the rest of costRp 32.556.381.150
Keywords: Critical Path Method (CPM), Project Management, Time Control, and Costcontrol.
viii
ACKNOWLEDGEMENT
Bismillahirrahmaanirrahiim
Assalaamu’alaikum wr.wb.
Alhamdulillahirrahmaanirrahiim, praise and gratitude to the most Merciful Allah
Ta’ala, for blessing the writer in finishing this Thesis entitled TIME AND COST
CONTROLLING USING CRITICAL PATH METHOD (CASE STUDY
AT PALUR FLY-OVER SURAKARTA) as one of the requirement for getting the
Postgraduate Degree in Civil Engineering Program. The researchers do not forget to praise to
the messenger, our prophet Muhammad S A W, and his followers.
The writer really realizes that he cannot finish this research because of great attention,
motivation, material, and support given by his parents, relatives, beloved ones, friends, and
others. In addition, the writer also thanks much to the people who helped him to complete this
research paper. Therefore, the writer wants to dedicatee his sincerest gratitude for all them.
The writer would like to express his appreciation to those ones. They are: Nurul
Hidayati, ST, MT., Ph.D, as the Head of Magister of Civil Engineering Study. The next is
Mohamad Solikin, PhD, as the first consultant for his kindness in guiding, helping, teaching
to the writer and also Ir. M. Muh Nursahid, M.M., M.T as the second consultant for his
patience in guiding the writer to complete this thesis. With the third examiner Sri Sunarjono,
Ph.D from the buttonm of his hearth, the writer would like to devote his everlasting mercy
and thanks so much for your time besides precautio.
NO workcan be done perfectly , nor can this research paper. The witer expects that
this research paper will become useful for the development of academic study and following
research.
Wassalaamu’alaikum wr.wb. Surakarta...................................................
ix
TABLE OF CONTENT
THE TITTLE OF THE RESEARCH ................................................................... i
APPROVAL.......................................................................................................... iii
NOTE OF ADVISOR I ......................................................................................... iv
NOTE OF ADVISOR II ........................................................................................ v
THESIS STATEMENT OF AUTHENTICITY .................................................... vi
ABSTRACT .......................................................................................................... vii
ACKNOWLEDGEMENT..................................................................................... viii
TABLE OF CONTENT ........................................................................................ x
LIST OF TABLES ................................................................................................ xii
LIST OF FIGURES .............................................................................................. xiii
CHAPTER I INTRODUCTION.................................................................. 1
1.1 Background ..................................................................... 1
1.2 Problem Statement .......................................................... 5
1.3 Research Question ........................................................... 5
1.4 Purpose of the Study ........................................................ 5
1.5 Scope of the research ....................................................... 6
CHAPTER II LITERATURE REVIEW....................................................... 7
2.1 Project Management .................................................. 7
2.2 Critical Path Method (CPM) ...................................... 9
2.3 Advantages of using the Critical Path Method........... 21
2.4 Disadvantages of using the Critical Path Method ...... 23
2.5 The Human Element Project Teams
and Decision Making ................................................ 25
2.6 Minimizing Project Completion Time ...................... 28
2.7 Minimizing Costs ...................................................... 30
CHAPTER III METHODOLOGY ................................................................ 32
3.1 Type and Research Approach ......................................... 32
3.2 Data Collection Technique ............................................. 32
x
3.2.1 Observation ........................................................ 33
3.2.2 Interview ............................................................ 33
3.3 Location of the Research .............................................. 34
3.4 Method for Data Collection ........................................... 34
3.5 Data Analysis Technique ............................................... 34
3.6 Research Framework ..................................................... 36
CHAPTER IV RESULT AND DISCUSSION .............................................. 37
4.1 General ............................................................................ 37
4.2 Contact Project ............................................................... 38
4.3 Budget of Project ............................................................ 39
4.4 Analyse the Remaining Works Items ............................ 44
4.5 Analyse of the Remaining Cost ..................................... 48
4.5.1 Minimizing Cost of Division (6) ...................... 48
4.5.2 Minimizing Cost of Division (8) ...................... 49
4.5.3 Minimizing Cost of Division (2) ...................... 50
4.6 Rescheduling ................................................................. 50
4.6.1 Alternative I ..................................................... 52
4.6.2 Alternative II .................................................... 53
4.6.3 Alternative III ................................................... 54
4.6.4 Alternative IV .................................................. 54
4.6.5 Alternative V .................................................... 56
4.7 Discussion ..................................................................... 56
CHAPTER V CONCLUSION AND RECOMMENDATION ..................... 60
5.1 General............................................................................ 60
5.2 Contact Project ............................................................... 60
APPENDICES
BIBLIOGRAPHY
xi
LIST OF TABLES
Table 4.1 List of the budget project 39
Table 4.2 The Remaining of Works preparatory on Month14th 44
Table 4.3 The Total of Remaining Works n Cost After 13 Month 50
Table 4.4 Curve S of Reschedulling 51
.
xii
LIST OF FIGURES
Figure 2.1Conventional Schedule and CCPM Schedule
With Time Buffers Shown Explicitly25
Figure 2.2. The Calculation CPM 31
Figure 2.3. Example of CPM 31
Figure 3.1. Research Framework 36
Figure 4.1 Location of Palur Fly-Over, Karanganyar 37
Figure 4.1a Network CPM Alternative I 52
Figure 4.1bNetwork CPM Alternative I, Normal Day for
Rescheduling52
Figure 4.2 Network CPM Alternative II 53
Figure 4.3 Network CPM Alternative III 54
Figure 4.4 Network CPM Alternative IV 55
Figure 4.5 Network CPM Alternative V 56