SALISU GIDADO DALIBI
Dr. Salisu Gidado DALIBI is a Nigerian Academician from Abubakar Tafawa Balewa University (A.T.B.U) Bauchi, Nigeria. He holds a B. Tech. in Quantity surveying, an MSc. In Engineering and Project Management, and a PhD. in Management Science and Engineering. With more than a decade practical experience in the built environment, he is still passionate about learning with strong and wet appetite for research in Sustainable Development, Green buildings, Project management, software applications & Simulations and issues pertaining to professional development within the Built Environment. His Hobbies include but not limited to Research works, Networking in conferences, Traveling, Football, Table tennis and skating. His only Strength is his weakness which is all about Green Building Projects and Sustainable Developments and any conference about it. He believes that “Green Building is a concept and practice that will benefit Nigeria and Africa as a continent the Most”; and that any software applications or Simulations that can fast-track learning in the built environment is an added advantage. Mr. Salisu has presented papers in NIQS seminars, workshops and conferences. He is also active in International conferences by presenting papers in SBE2016 Hamburg Germany (two papers), ICSDGB 2017 in Suzhou City in China (two papers), WSBE 2017 in Hong Kong (two papers), WABER 2017 Conference in Accra, Ghana (two papers), FEBM 2017 in Shanghai, China (one paper), ISCSD 2017 Baku, Azerbaijan (two papers). He is also an Associate Member of Hong Kong Green Building Council (HKGBC), Member APISE, Member IAENG, Fellow Member ISDS Japan.
Supervisors: Prof. Ge Jiuyan, Prof. Feng Jingchun, Prof. Sani Kunya, and Prof. Liu Shuangqin
Phone: 08036152047
Address: ATBU Bauchi
Supervisors: Prof. Ge Jiuyan, Prof. Feng Jingchun, Prof. Sani Kunya, and Prof. Liu Shuangqin
Phone: 08036152047
Address: ATBU Bauchi
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Construction activities, tasks in every project phase are only achievable by adhering to the project Documents and by extension adequate supervision. This is much needed due to the millions of labourers working directly and indirectly within the Nigeria‟s 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. Adequate supervision leads to quality job but comes with additional cost for the effective supervision. Project supervision covers monitoring, evaluative review, reporting, and technical assistance activities to identify project challenges, ascertain, prepare and recommend solutions to at the earliest possible time. Adequate project supervision during the construction stage is vital as it may provide the necessary indicators to other factors that may cause collapse of buildings; without which a lot of activities will go unnoticed, unchecked, un-approved and not to specification or standards. The absence of which breeds other resultant effects which will harm the project and the stakeholders. The aim of this paper is to evaluate the resultants effects of poor supervision in building construction projects with a view of identifying, understanding, assessing and ranking the impacts of such effects on the finished projects at the construction and post occupancy stages in Nigeria. A total of twenty one resultant effects of poor supervision in construction projects were identified from the literature reviewed and were directed at various professionals in the industry. A total 165 questionnaires were randomly administered; 112 responses were received, 12 were incomplete and deemed invalid while 53 were not returned. Civil Engineers with 42.31% have the highest responses followed by Building Engineers with 34.62% while Construction Managers have the least with 17.31%. Among the respondents, professionals with experience of 10years and below have 59.82% of the responses while those with above 10years of experience have 40.18% of the total response. The result shows that 10 of the resultant effects of poor supervision were strongly agreed by the respondents (representing 47.62%), 7 were agreed (representing 33.33%) while 4 remain undecided or Neutral (representing 19.05%). However, the result shows that each category of the respondents‟ years of experience perceives the resultant effects of poor supervision differently based on their ranking. The testing of the research hypotheses was carried out using Chi-square statistical test, and the Alternative hypothesis was accepted since the value of x2 Calculated is greater than the value of x2 Tabulated. The Alternative hypothesis stated that “there are resultant effects of poor supervision in building construction projects at the construction and the post occupancy stages”.
Key Words: Adequate supervision, Building projects, Collapse, Effects, Quality etc.
perception and agreement on the objectives of the green building projects by stakeholders. The need
and the cost for incorporating Green features varied among various stakeholders in the Nigeria’s
construction industry. Going by these characteristics, each stakeholder perceives the success
according to a hierarchy of dimensions, which comply with his / her own agenda. The purpose of the
study is to appraise the importance of success criteria for green building projects in the Nigeria’s
construction industry based on the clients, the end-user’s and the construction professionals’
perceptions. Research data was obtained through manually distributed research questionnaire. A total
of 380 questionnaires were distributed and 200 questionnaires were returned and analysed statistically
using Frequency counts tables, mean item score and Chi square statistics. The result showed that the
top ten most important criteria for each stakeholder. In the overall analysis, there is a significant
difference in the perceptions of the three groups of stakeholders in the green building projects with
respect to their ranking of the project success criteria.
growth rate of Abuja is about 25% - 45% annually and is expected to 10million by 2018. This
explosive growth rate has created severe housing problems resulting in overcrowding, shortage of
electricity and water supply, other degrading public infrastructure, and deplorable urban
environment etc. Many Housing estates were developed by both Public and the Private sectors but
do not reflect the desired housing needs of the end-users. Incorporating green building features
are basically at the developer’s disposal but should be checked with potential end-users because it
affects rental and sales value. The objective of this paper is to identify green building features that
can be incorporated in housing estate development projects which can align the interests of the
Stakeholders specifically the Developers/Clients and the End-users / Occupants. Review of
literatures helps identify and narrow few environmentally sustainable elements in the particular
context of Abuja. A 5-point Likert scale questionnaire survey was conducted on Estate Developing
Firms and Occupants / End-users from 20 different housing estates in Abuja; selected through
random sampling method. The results showed that green building features such as; Energy
Efficiency, Water efficiency, Building Envelope, Indoor Environmental Quality and Day-lighting
systems were the favoured and affordable green building elements that can unify and align the
interests of both the Residential Estate developers (clients) and the End-users (Occupants) in
estate development projects in Abuja.
Construction activities, tasks in every project phase are only achievable by adhering to the project Documents and by extension adequate supervision. This is much needed due to the millions of labourers working directly and indirectly within the Nigeria‟s 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. Adequate supervision leads to quality job but comes with additional cost for the effective supervision. Project supervision covers monitoring, evaluative review, reporting, and technical assistance activities to identify project challenges, ascertain, prepare and recommend solutions to at the earliest possible time. Adequate project supervision during the construction stage is vital as it may provide the necessary indicators to other factors that may cause collapse of buildings; without which a lot of activities will go unnoticed, unchecked, un-approved and not to specification or standards. The absence of which breeds other resultant effects which will harm the project and the stakeholders. The aim of this paper is to evaluate the resultants effects of poor supervision in building construction projects with a view of identifying, understanding, assessing and ranking the impacts of such effects on the finished projects at the construction and post occupancy stages in Nigeria. A total of twenty one resultant effects of poor supervision in construction projects were identified from the literature reviewed and were directed at various professionals in the industry. A total 165 questionnaires were randomly administered; 112 responses were received, 12 were incomplete and deemed invalid while 53 were not returned. Civil Engineers with 42.31% have the highest responses followed by Building Engineers with 34.62% while Construction Managers have the least with 17.31%. Among the respondents, professionals with experience of 10years and below have 59.82% of the responses while those with above 10years of experience have 40.18% of the total response. The result shows that 10 of the resultant effects of poor supervision were strongly agreed by the respondents (representing 47.62%), 7 were agreed (representing 33.33%) while 4 remain undecided or Neutral (representing 19.05%). However, the result shows that each category of the respondents‟ years of experience perceives the resultant effects of poor supervision differently based on their ranking. The testing of the research hypotheses was carried out using Chi-square statistical test, and the Alternative hypothesis was accepted since the value of x2 Calculated is greater than the value of x2 Tabulated. The Alternative hypothesis stated that “there are resultant effects of poor supervision in building construction projects at the construction and the post occupancy stages”.
Key Words: Adequate supervision, Building projects, Collapse, Effects, Quality etc.
perception and agreement on the objectives of the green building projects by stakeholders. The need
and the cost for incorporating Green features varied among various stakeholders in the Nigeria’s
construction industry. Going by these characteristics, each stakeholder perceives the success
according to a hierarchy of dimensions, which comply with his / her own agenda. The purpose of the
study is to appraise the importance of success criteria for green building projects in the Nigeria’s
construction industry based on the clients, the end-user’s and the construction professionals’
perceptions. Research data was obtained through manually distributed research questionnaire. A total
of 380 questionnaires were distributed and 200 questionnaires were returned and analysed statistically
using Frequency counts tables, mean item score and Chi square statistics. The result showed that the
top ten most important criteria for each stakeholder. In the overall analysis, there is a significant
difference in the perceptions of the three groups of stakeholders in the green building projects with
respect to their ranking of the project success criteria.
growth rate of Abuja is about 25% - 45% annually and is expected to 10million by 2018. This
explosive growth rate has created severe housing problems resulting in overcrowding, shortage of
electricity and water supply, other degrading public infrastructure, and deplorable urban
environment etc. Many Housing estates were developed by both Public and the Private sectors but
do not reflect the desired housing needs of the end-users. Incorporating green building features
are basically at the developer’s disposal but should be checked with potential end-users because it
affects rental and sales value. The objective of this paper is to identify green building features that
can be incorporated in housing estate development projects which can align the interests of the
Stakeholders specifically the Developers/Clients and the End-users / Occupants. Review of
literatures helps identify and narrow few environmentally sustainable elements in the particular
context of Abuja. A 5-point Likert scale questionnaire survey was conducted on Estate Developing
Firms and Occupants / End-users from 20 different housing estates in Abuja; selected through
random sampling method. The results showed that green building features such as; Energy
Efficiency, Water efficiency, Building Envelope, Indoor Environmental Quality and Day-lighting
systems were the favoured and affordable green building elements that can unify and align the
interests of both the Residential Estate developers (clients) and the End-users (Occupants) in
estate development projects in Abuja.