![]() ![]() The pavement in the parking area is usually concrete paving with class B quality with a flat surface appearance, no cracks, and defects, minimum thickness of 60 mm with a tolerance of ± 8%. So If the project organizers feel that these variables have been fulfilled, then the performance of the resulting construction project will be better too.Keywords :Stepwise Regression, Concrete Quality Control, Construction Project Performance, Quality Performance. ![]() Related to Cost Performance : coefficient of determination or R square = 0.481, the influencing variable is the acceleration of implementation (x1), with Y3 = -0.741 + 0.958.x1. Related to Time Performance : coefficient of determination or R square = 0.537, the variable that influences is monitoring time schedule (x1), with Y2 = 2,166 + 0,415.x1. For Quality Performance is shown : coefficient of determination or R square = 0,876, influencing variable is implementation aspect (x1), and aspects of human resources (x2), with Y1 = 0,285 + 0,148.x1 + 0,071.x2. The result of this research is very positive influence of Concrete Quality Control factors and the role of project related party influence to the achievement of Construction Project Performance, that is proved by stepwise regression test and hypothesis test, where Quality Performance (Fi = 21,758 > Ft = 2,060), Time Performance (Fi = 14,950 > Ft = 4,496), Cost Performance (Fi = 15,379 > Ft = 4,496). ![]() For data analysis (data processing) that is qualitative data and quantitative data, researchers use help the method of Stepwise Regression. That is related to the quality control of concrete in the implementation of construction work and studies that focus on the assessment of achievement of construction project performance. With the above background, the researcher conducted the observation with the core study on ”The Role of Related Party Project on Quality Control (Concrete Structure) and Project Performance Achievement”. ![]() Activity related to structural concrete work is still often found the opportunity of quality deviation from implementation factor and supervision factor, especially if the requirement of the concrete volume of structure every day is big enough. ![]()
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