ASSESSING THE IMPACT OF QUALITY SUPERVISION ON CONSTRUCTION PROJECT DELIVERY IN NIGERIA
- Project Research
- 1-5 Chapters
- Abstract : Available
- Table of Content: Available
- Reference Style: APA
- Recommended for : Student Researchers
- NGN 3000
BACKGROUND OF THE STUDY
Project success could be measured in terms of parameters or nature of the project e g. performance, aestheticism, stability, safety, duration and cost. One of the best ways of achieving construction project quality delivery hinged on adequate design and quality of supervision exercised at planning and production stage. All of these anchored on the quality appearance and usefulness of what has been built, the duration observed to build it and the cost of the project. Aoieong, Tang, and Ahmed (2002) maintained that quality in construction projects could be expressed as the complete nature and outcome of building production process with emphases on meeting and fulfilling the expected standard. Heravitorbati, Coffey, Trigunarsyah, and Sagharforoush (2011) described quality and success in construction projects as the fulfillment of expectation of project participants.
In the developing countries, majority of the indigenous construction firms depend mainly on conventional methods of construction Alwi, Keith, and Sherif (2001), this demand supervision of operatives and their activities by the supervisors in the various units. Construction industry attracts different participants working together to perform one tasks or the other that are interdependent and each of the operatives‘ inputs are required in meeting clients satisfaction in all ramification. The term supervision according to Adepoju (1998) is gotten from the word ‗super video‘, meaning to oversee. It is an exchange of duty among two or more people for the purpose of improving on task. Adepoju (1998) reported that supervision is the principal level of management in an organisation and is focuses on empowering individual workmen to contribute productively in achieving the organization goals. Thompson and Gilbert (2011) defined supervision as a process of watching over.
Some of problems confronting project supervision in the recent time have to do with the discrepancies between the design and construction process when construction operatives‘ are at the centre of it all because of their inconsistent knowledge application and skills during building production process. Hackman, Acheampong, Agyekum and Ayarkwa (2015) identified unfavourable working conditions; commitment of all project participants; arrangement of site layout; inadequate top management support and indecisiveness of project team as the major factors affecting supervision of projects. This syndrome has caused serious damage to the industry in all manners, thereby resorting into repeated delays and cost overruns. On the other hands, problems that affect operatives‘ service delivery have to do with construction process and materials procurement as established in Sholanke, Fagbenle, Aderonmu, and Ajagbe (2015), they maintained that application of low quality of building materials and poor design contributed to buildings collapse being experienced from time to time in developing nations.
Ogunde et al., (2017a) believed that construction projects could experience low quality of finished job, project elongation, disputes, delay payment and poor project delivery due to shortage of skilled workers. Ogundipe et al., (2018a) argued that lack of safety knowledge of workers during their apprenticeship could negatively impact their skills and response to safety practices on sites. Meanwhile dimension tolerance is another major problem affecting the procurement and performance of building materials, because materials such as blocks, bricks, reinforcement bars, plumbing pipes and prefab concrete vary in lengths, diameters, strength and sizes (Kim, Cheng and Sohn 2015; Joshua et al., 2018; Ajao et al., 2018).
Kim, Cheng and Sohn (2015) stated that it is time consuming and costly to rely on manual supervision in ensuring dimension tolerance and quality finish of precast concrete components. Therefore, BIM and 3D laser scanner were developed to accurately produce an automated dimension and quality finishes for precast concrete components. Bamigboye et al., (2017); Joshua et al., (2018) noticed availability of inconsistent diameter and length of reinforcement bars in Lagos State, Nigeria and these has contributed to structural failure. Ajao et al., (2018) maintained that there are wide gaps between the recommended standard of blocks and what is available in the market in South Western Nigeria; this has hindered the expected quality of construction project.
1.2 STATEMENT OF THE PROBLEMS
Construction projects in developing countries like Nigeria are labour intensive. This leads to the employment of millions of labourers directly and indirectly within the construction industry. However, most of them work as unqualified, unskilled and untrained labourers. As a result, extra coordination and supervision is surely needed to ensure good project delivery. Alwi et al (2001) affirmed that success in completing site activities, right from the beginning to the end, relies heavily on the quality of supervision.
All of these contributed to disparity between what is been designed and the outcome of projects‘. Hanson et al., (2003) reported that shoddy job, disputes and contractors lack of capacity were part of the factors that could impact negatively on project delivery. Faridi and El-Sayegh (2006) emphasized on inadequate manpower, lack of quality supervision and site management, faulty leadership skills; breakdown and shortage of equipment among others contributes to poor project delivery. Mbachu and Nkando (2007) maintained that operatives‘ attitude to work is the key factors constraining projects success in Nigeria.
In order to bridge the gaps posed by these factors then, harness the benefit of project supervision and ensure there are improve communication channel in supervision; improve supervision procedure by the supervisor‘s; procure quality materials in meeting design specifications, engaging collaborative problem solving in supervision among the construction team; ensure sustainability of design and actual construction, building right attitude in workers towards their service delivery, training workers to adopt modern use of technology and ensure that operatives‘ service delivery are in conformity with the objectives of project.
The issue surrounding operative‘s productivity remained a problem that must be overcome in meeting client‘s satisfaction within budgeted schedule, time, quality and cost. Thus, this study aimed at assessing the impact of quality supervision on construction project delivery in Nigeria.
1.3 OBJECTIVES OF THE STUDY
The primary purpose of this study is to assess the impact of quality supervision on construction project delivery in Nigeria. Other objectives of this study are:
- To determine whether quality supervision is necessary on construction project delivery in Nigeria.
- To examine the stages of construction where quality supervision is necessary.
- To examine the effects of poor supervision in construction project delivery in Nigeria.
1.4 RESEARCH QUESTIONS
The undertaking of this study will be guided by the following research questions;
- Is quality supervision necessary on construction project delivery in Nigeria?
- What are the stages of construction where quality supervision is necessary?
- What are the effects of poor supervision in construction project delivery in Nigeria?
1.5 RESEARCH HYPOTHESES
The following research hypothesis will validate this study:
H01: Quality supervision is not necessary on construction project delivery in Nigeria
1.6 SIGNIFICANCE OF THE STUDY
This research will help numerous construction bodies / organizations, construction managers and workers.
The study will assist various construction bodies / organizations in comprehending the value of quality supervision as a quality control measure in the construction industry. It will equip construction managers with knowledge of the most effective monitoring approaches for preserving standard construction works.
Findings and recommendation offered should not only add to existing literature for academic purposes, but also provide useful insights and guidelines for enhancing quality supervision on construction project delivery in Nigeria.
1.7 SCOPE OF THE STUDY
This study focuses on assessing the impact of quality supervision on construction project delivery in Nigeria. Specifically this study focuses on determining whether quality supervision is necessary on construction project delivery in Nigeria, examining the stages of construction where quality supervision is necessary and examining the effects of poor supervision in construction project delivery in Nigeria.
Selected construction managers and workers of CCECC, Abuja will serve as the respondents for this study.
1.8 LIMITATIONS OF THE STDUY
In the course of carrying out this study, the researcher experienced some constraints, which included time constraints, financial constraints, language barriers, and the attitude of the respondents. However, the researcher were able to manage these just to ensure the success of this study.
Moreover, the case study method utilized in the study posed some challenges to the investigator including the possibility of biases and poor judgment of issues. However, the investigator relied on respect for the general principles of procedures, justice, fairness, objectivity in observation and recording, and weighing of evidence to overcome the challenges.
1.9 DEFINITION OF TERMS
In order to ensure proper and easy understanding of what the study is all about to some people especially those that are not in the same discipline, some unfamiliar words used in the project are defined below:
Construction industry: The construction industry is an industry involved in providing residential and nonresidential facilities of a country. It is a subset of the assembly industry that connects different useful components, not to a single individual but the country at large.
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