CHAPTER ONE

1.0  INTRODUCTION

1.1 Background of the Study

Tower cranes are used on construction sites as lifting equipment for their combination of height and lifting capacity. Tower crane accidents, however, are likely to be fatal because of the weight of the objects and the heights to which they are lifted (Beavers, Moore, Rinehart and Schriver, 2006).  U.S. Labour statistics recorded 632 crane-related construction worker deaths from 611 crane incidents and 17 multiple death incidents resulting in 38 deaths from 1992 to 2006 (Bureau of Labour Statistics, 2008).

A crane safety analysis and recommendation report carried out in Singapore by Annex (2009) indicates that in 2008, there were 162 crane-related accidents, injuries and dangerous occurrences, a 27% increment from 128 cases in 2007. However, most of the cases involve less serious non-fatal injuries crane accidents can undoubtedly result to big and severe damage to physical properties and human lives.

Orji, Enebe and Onoh(2016) posit that construction processes in Nigeria are characterized by unsafe practices leading to accident that leaves severe consequences on both the project and the workers. Accidents in building construction sites, whether minor or fatal could result to injuries, loss of resources, partial or permanent disability and death in case of fatalities. In an analysis of types of accident that usually occur in construction sites, injury from the use of equipment ranked first among nine (9) other types of accident examined.

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