0011-4561 Research on working time in the construction sector Research on working time in the construction sector Malara JarosÅ‚aw author Institute Of Building And Transport Management, Faculty Of Civil Engineering, Cracow University Of Techn Correspondence to: JarosÅ‚aw Malara 11 02 2015 Budownictwo Zeszyt 5-B (19) 2014 2014 169 175 Copyright © 2015 2015 <p style="text-align: justify;"> The article describes the nature and the significance of research on working time of workers in the construction sector for the improvement of technology and organization of works. The author refers to the basic research methods and discusses the factors contributing to the performance of various works in the construction sector. Then, the research done on one of the construction sites in Warsaw, consisting of terrazzo tiling in stairways is discussed and the possible ways of interpreting the collected results is specified. The summary describes the benefits of proper observation and interpretation of research regarding working time of construction workers.</p>