Published Paper Details:

Labour is one of the major resource in this labour intensive Indian construction industry. Due to the transient nature of our industry therefore there are no universally accepted standards to measure factors causing labour productivity loss in construction projects. Objective of this paper is to study factors affecting labour productivity of Autoclaved aerated concrete block masonry activity at construction site in Delhi/NCR, India. The identification and prioritization of the critical factors which affects labour productivity of blockwork activity will assist the project management team to leverage the limited resources at their disposal to improve the labour management on construction site, in order to improve labour productivity. Total 40 factors were identified with the help of work study method and divided into 8 main group as Material, Equipment, Tools & accessories, Labour, Site, Design, Management, and others factors group. The analysis of those 40 factors is considered in a questionnaire survey indicates the 10 most critical factors among all which are negatively affecting the labour productivity are : Inefficient crew composition, Design Complexity, Inexperienced or unskilled worker, no proper Supervision, Non availability of vertical shifting equipment, Unavailability of required material, Poor management of working space, Unclear or inadequate instructions to workers, Unavailability of required tool and No proper or safe scaffolding arrangement. Reliability analysis and validation of the acquired results is done with the help of live construction site in Delhi.