1. In this survey, 200 postal questionnaires were sent to the G7 contractor registered with Construction Industry Development Board (CIDB) and listed in the Orange Book (Malaysian IBS Directory). The G7 contractors were selected as a survey sample due to its influence to the course direction of our industry. The G7 contractors can put up tender and implement huge projects.
2. The use of IBS by the G7 contractors will create huge demand and establish new supply chain. G7 contractors are also had capacity to put up capital investment needed to implement IBS. It employed huge number of workforce, sub-contractors and specialists in their projects. A change from conventional to IBS will influence others and make significant impact to the industry as a whole.
3. The objective of this survey is to identify the most popular and widely used IBS system for Malaysian G7 contractor and the drivers and bariers to IBS specifically to Malaysian G7 contractor
4. A total 37 usable completed questionnaires were received and analysed, the number implies that around 18.5% of the total sample contracted has participated in this study. The low response had been expected for a mail based questionnaire.
5. The survey revealed that the most popular and widely used system by the contractor is a formwork system (31%). It is on the form of aluminum, metal and plastic formwork which are proved flexible and cost effective. The precast and steel frame system also gained substantial popularity at 26 % and 23 % respectively. Only 7% of the respondents had ever used timber frame systems which indicate lack of knowledge on the system.
6. The most important drivers for contractors to use IBS were achieving high quality (13.5%), gaining speed of construction (13%), minimising on site duration (10.4%), client’s demand (8.7%), and addressing skill shortage (7.4%). Factors such as energy saving (1.3%), building’s regulation (2.2%), and deal with adverse whether condition (3%) were appear to be overlooked by contractors.
7. The most significant barriers restricting the use of IBS among contractors were considered to be higher constriction cost (14.3%), high capital investment (11.5%), difficulties in achieving economies of scale (9.3%), inability to freeze design early and complex interfacing (7.7%), and lack of knowledge in IBS (7.7%). Other factors related to level of Information Technology (IT) (1.1%), building regulation (1.7%) and code and standard (1.7%) however, were not considered relevant by the contractors
8. Finally, respondents are asked to measure the importance of a list of potential CSFs based on Lickert Scale 1 to 5 (1 – Least important, 2 – Less Important, 3 – Important 4 –Very Important and 5 Most Important). The survey highlighted the three most important CSFs to Malaysian G7 contractor to embark in IBS are emphaisis corporate leadership, selection of contract and procurement and knowledge in project management. This factors is important to Malaysian G7 contractor in order to use IBS successfully.