The effect of the structure of an organization on project premier contractor's performance, with rewards, training and leadership as intervening variables

Nowadays developers are competing to offer the quality product by creating a pleasant environment, secure, good quality of building and location. In one construction stage, when a number of contractors work together oftenled to project delay, quality decreases, and even stop the project in the middle of the construction. This research will focus on the performance of the contractor by the influence of the structure of the organization with rewards, training and leadership as intervening variables. Data analysis was done by using partial least Square-Structural Equation Model (SEM) with sample total of 99 respondents. The result shows that Structure of the Organization (X1), Reward (X2), Training (X3), Leadership (X4) have a significant effect on the constructor's performance (X5) with p-value <0,05. From this research, it was concluded that contractor must pay attention to the project organizational structure, chain of command, a good leadership to become a role model, training for employee skills and reward at work to improve the overall contractors' performance.