Evaluating CriticalFactors AffectingProductivityinYemen ConstructionProjects (Dhamar-city)

Abstract

The subject of the productivity has an importance in the economics of all countries of the world. It has a particular importance in the Republic of Yemen due to the Yemeni cultural heritage and it is regarded as one of the strategic objectives that achieve the process the economic development in Yemen after the political changes of so called the Arabic spring 2011. The researches in the field of construction productivity in Yemen are rare especially in the construction sector as compared with other countries. But an effort is done in order to improve the productivity then it will greatly enhance the opportunities of Yemen to achieve its goals of the development. This study aimed to identify the factors that affect the productivity in the construction projects in Yemen. The collection of data and information through the questionnaire. Using techniques arrange the arithmetic average figure, and the priority of the factors identified for more detailed analysis. The study found that factors were divided into five groups according to their rank of values index as follows: 1-Cost of Finance Factors, 2-Resources Factors (work requirements), 3- Environment of Work Site Factors, 4-Employee's Satisfaction Factors and 5- Construction plan Factors. The result indicate that most critical factors affecting the productivity of construction in Yemen are: evaluation plan change orders, slow decision-making process, employee participation in decision-making, multiple shifts, labor turnover, communication system and the delay in the supply of materials. Based on these findings, the study recommended that the contracting companies scheduling to provide materials for each project, the use of modern technologies in the field of communications, such as mobile or daily monitoring and reporting of each project to make sure that the work on an ongoing basis, and also make alternative plans to cope with changes in the surrounding environment.