Alinaitwe, Henry and Nyamutale, William and Tindiwensi, Dan
(2014)
Design Phase Constructability Improvement Strategies For Highway
Projects In Uganda.
Journal of Construction in Developing Countries , 19 (1).
pp. 127-140.
ISSN 1823-6499
Abstract
There is great concern regarding the escalation of project costs and delayed
completion of road work in Uganda. This has been partly associated with a lack of
constructability. Studies have demonstrated that improved constructability leads to
significant improvements in project cost savings and reduced completion times. The main
aim of this study was to establish design phase constructability improvement strategies for
highway projects in Uganda. A pragmatic approach of both qualitative and quantitative
research methods was used for this study. Concepts of constructability were identified and
rated. Using factor analysis, major design phase constructability improvement
recommendations were identified. These factors include conducting formal constructability
reviews; ensuring adequate materials design, communication, coordination and scheduling;
analysing jobsite accessibility and storage requirements; engaging experienced personnel
and adopting Computer Aided Design (CAD); ensuring thorough site investigation and clear
design information; and developing designs that are sensitive to safety and weather
conditions. The primary recommendation is to include constructability reviews to form part of
the formal design process, using a separate team of construction experts (consultants) that
are distinct from the design consultant before the construction stage of the project.
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