Thesis Open Access

Construction Material Management Practices and Its impact on Project Delivery: The Case of Public Building Projects in Addis Ababa (Develop Pertinent Software)

Ermias Birke

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    <subfield code="a">material management, project delivery, public building projects, process type, root causes, cost, and time.</subfield>
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    <subfield code="a">Mesay Daniel (PhD)</subfield>
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    <subfield code="a">&lt;p&gt;Construction material management is an essential factor that adversely affecting the&lt;br&gt;
performance of construction projects. This study was conducted with an objective of&lt;br&gt;
identifying construction material management practice and its effect on project delivery&lt;br&gt;
for public building projects in Addis Ababa. Based on the responsibility of managing&lt;br&gt;
construction materials, contractors were targeted as a study population. The study has&lt;br&gt;
targeted 40 contractors that are involved in public building projects those are currently&lt;br&gt;
under construction and used census as a sampling method. Intended data was collected&lt;br&gt;
through structured questionnaire and 38 questionnaires were responded and analyzed&lt;br&gt;
through both descriptive and explanatory methods by using a statistical software called&lt;br&gt;
SPSS 23. The study has identified the contractors are using three types of material&lt;br&gt;
management process i.e. the material is supplied based on the schedule on Bill of&lt;br&gt;
material, use warehouse to store the materials and search supplier for the materials&lt;br&gt;
when demanded. Among the three process types, type 1 is better in making the&lt;br&gt;
companies better performers in cost. In most of the projects multiple supplier is used&lt;br&gt;
for single material. Problems in material identification, planning, vendor selection,&lt;br&gt;
procurement and construction phase are root causes for ineffective material&lt;br&gt;
management. Construction project material management process type significantly&lt;br&gt;
affects the existence of cost overrun on the projects but does not affect the level of cost&lt;br&gt;
overrun. On the other hand, Construction material management process types do not&lt;br&gt;
affect the project time. Problems of material identification, planning, vendor selection,&lt;br&gt;
procurement and construction phase highly affect the cost overrun and time delay of&lt;br&gt;
the projects but effect of the vendor selection problems is lowest when compared to&lt;br&gt;
other problem categories. Majority of Contractors in public building projects in Addis&lt;br&gt;
Ababa are not using software to manage construction materials. To support&lt;br&gt;
construction material management, this study has developed pertinent software. The&lt;br&gt;
contractors are recommended to improve their construction material management&lt;br&gt;
practices and solve their material management problems by using the software.&lt;br&gt;
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