Factors Affecting Construction Speed of Industrialized Building System in Malaysia
Malaysia is presently taking a serious look at IBS as an answer to the housing shortage problem. There are many advantages using the IBS according to a report published by the Malaysian Ministry for Local Government and Housing. The main advantages are the speed of construction, quality and price...
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Format: | Thesis |
Language: | English |
Published: |
2005
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Subjects: | |
Online Access: | http://psasir.upm.edu.my/id/eprint/6067/1/FK_2005_52.pdf |
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Summary: | Malaysia is presently taking a serious look at IBS as an answer to the housing
shortage problem. There are many advantages using the IBS according to a
report published by the Malaysian Ministry for Local Government and Housing.
The main advantages are the speed of construction, quality and price. All of
these are required to meet the large demand for housing.
This thesis presents the speed of construction methods which are the
conventional system, cast-in-situ method, composite methods, and the
Industrialized Building System; including the factors that affect the speed of IBS
and the factors causing delay in building construction projects.The data were collected through mailing questionnaires distribution. The
questionnaire took into consideration the factors on sample size, time, speed
and causes of delay. The questionnaire was distributed to four hundred and fifty
respondents among developers, government boards, main contractors,
consultants and manufactures who were concerned with the building systems of
construction projects in Malaysia. The return was seventy eight respondents.
The statistical descriptive analysis was used to identify whether the respondents
have the necessary sufficient qualification to respond correctly to the
questionnaire. However, spearman correlation analysis was used to find out the
significant scenario of the construction method. The Logit linear analysis was
used to choose between the IBS and the conventional methods. In addition, it is
used to test these hypotheses since it is a useful mean of both summarizing the
results of data analysis and comparing the effects of different speed factors on
the probability to choose the construction method. The results have been
analyzed to rank the factors affecting the speed of IBS and the factors causing
the delay of building construction projects.
As a result from the analysis, it was observed that the full-prefabricated method
was the fastest construction method compared to the other methods. Moreover,
the high productivity of structural elements (in-situ or off-situ) is the most
important factor that had an effect on the speed of IBS. The study also revealed
many factors causing delay in building construction projects in Malaysia. These
factors could be financial from both the contractors and the owners' side. Poor management is also an important factor causing delay. However, a ver)
important factor for the delay could be from the consultant's side where the
supervision is conducted at a very late stage during the execution of the projeci
and the incompetence in giving timely instructions. Finally, the most importan'
external factor causing delay is the lack of materials in the market.
The result of the study is that there should be continuous improvement of the
IBS which focus mainly on innovating techniques to improve the productivity
The financial support as well as technical support is very necessary and urgent
for building construction projects. |
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