Chapter One — 1.1 Background to the Study

Bill of Quantities Preparation Practices has increasingly attracted the attention of researchers, regulators, and practitioners concerned with accuracy of cost estimates. This growing interest reflects the recognition that bill of quantities preparation practices does not operate in isolation, but interacts with a wider set of institutional and market conditions found within Selected Federal Government Parastatals in Nigeria.

Selected Federal Government Parastatals in Nigeria presents a useful setting for examining this relationship precisely because the conditions there — structural, regulatory, and behavioural — differ from those typically assumed in the broader literature, most of which draws on evidence from more developed economies.

1.2 Statement of the Problem

While bill of quantities preparation practices is widely discussed in policy and industry circles, empirical evidence on its actual effect on accuracy of cost estimates within Selected Federal Government Parastatals in Nigeria remains sparse and, in places, contradictory. This lack of localized, rigorous evidence makes it difficult for decision-makers to know with confidence whether current approaches to bill of quantities preparation practices are helping or hindering accuracy of cost estimates — a gap this study sets out to close.

1.3 Objectives of the Study

1. To examine the effect of Bill of Quantities Preparation Practices on accuracy of cost estimates in Selected Federal Government Parastatals in Nigeria.
2. To assess the extent to which bill of quantities preparation practices influences accuracy of cost estimates within the study area.
3. To identify the challenges associated with bill of quantities preparation practices in relation to accuracy of cost estimates.
4. To recommend strategies for optimizing bill of quantities preparation practices in order to improve accuracy of cost estimates.

1.4 Research Questions

1. What is the effect of bill of quantities preparation practices on accuracy of cost estimates in Selected Federal Government Parastatals in Nigeria?
2. To what extent does bill of quantities preparation practices influence accuracy of cost estimates within the study area?
3. What challenges are associated with bill of quantities preparation practices in relation to accuracy of cost estimates?
4. What strategies can be adopted to optimize bill of quantities preparation practices in order to improve accuracy of cost estimates?

1.5 Significance of the Study

Beyond its academic contribution to the field of quantity surveying, this study has practical value for management teams within Selected Federal Government Parastatals in Nigeria seeking to understand how bill of quantities preparation practices translates into measurable outcomes around accuracy of cost estimates. It is equally useful to students and future researchers looking for a localized empirical reference on this relationship.

1.6 Scope of the Study

The study is limited to an examination of Bill of Quantities Preparation Practices and its relationship with accuracy of cost estimates within the context of Selected Federal Government Parastatals in Nigeria. It reflects a clearly defined scope of analysis and relies on data and perspectives available within that scope; generalizing the findings beyond this specific context should therefore be done with appropriate caution.