Challenges /barriers to implement Last Planner System		Level of Importance
		Very high	High	Medium	Low	Very Low
1	Resistance of managers to change planner system
2	Failure of management commitment to LPS implementation
3	Shortage of human capital
4	Shortage of recognize of new system
5	Lack of skills, training, and experience
6	Non-supportive company environment
7	Shortage of stakeholder support
8	Elongate acceptance steps from top management
9	Misuse of output data generated during implementation of LPS
10	Partial or late implementation of LPS
11	Unavailability of coordinate and cooperation between parties
12	Short-term vision
13	Misinterpretation of PPC indicator
14	Participation of many parties joined the project, principally subcontractors and suppliers
15	Shortage of communication amongst participants of the production process
16	Shortage of integration among client, consultant, contractor and supplier
17	Shortage of application of advanced technology in construction
18	Shortage of the training course for the directors