Effect of Physical and Spatial Factors of High-Rise Official Buildings in Karaj City, Iran, on Employee Productivity

Office workplace are designed with the aim of providing a place to better perform the tasks of employees. Hence, it is important to know the environmental factors that affect productivity. The purpose of this study was to investigate the effect of the spatial configuration of high-rise office buildings in Karaj city on the internal and external scale on employee productivity and compare it with the effect of the physical factors stated in the Haynes model.

This descriptive research was conducted in the 2022 in Karaj. The main variables were extracted according to the Haines model and classified using the variance analysis test. Data was collected with a questionnaire. The analysis (ANOVA) of the space syntax of buildings including three variables "integration", "depth" and "connectivity" was performed in UCL.Depthmap.10 three levels "macro", "immediate" and "internal" in the software. In the inferential analysis, confirmatory factor analysis and path analysis using "partial least square" method were used in LISREL 10.2.

Physical factors including "temperature and ventilation", "noise and acoustics", "light", "dimensions" and "ergonomics" had the greatest impact on self-reported productivity in high-rise office building employees. Among other factors, the spatial structure had an impact on the productivity of employees at three macro levels (city scale), immediate area (surrounding area) and internal (architectural plan). The impact of spatial structure was less than that of physical factors, and there were differences in the sub variables of "integration", "depth" and "connectivity” and they were not equal. Among the variables of space syntax, "connectivity" has no relation with productivity It was the staff. The two variables of c integration and depth also had different effects at the urban level and immediately.

In office workplace, physical factors are effective in the productivity of employees, regardless of the work pattern. The internal space syntax is related to the interaction and concentration of employees, and this issue has a different effect depending on the working model. At the urban scale, "integration" has a weak and direct relationship with productivity.