Mohamad, Mohamad Ibrahim and Nekooie, Mohammad Ali and Harthy, Amur Salim Al-
(2012)
Design Changes In Residential Reinforced Concrete Buildings: The
Causes, Sources, Impacts And Preventive Measures.
Journal of Construction in Developing Countries , 17 (2).
pp. 23-44.
ISSN 1823-6499
Abstract
Design changes are common in building projects. Design changes are almost
inevitable during the lifecycle of a project; however, design change can be minor or major
according to the result. Identifying the source and impact of each design change in the
construction lifecycle could help manage all of the design changes associated with a
project. Furthermore, such management of changes could help to define preventive
measures and actions. A complete survey was conducted using interviews and
questionnaires with professionals in three main groups involved in reinforced concrete
building projects; all of the sources, causes and impacts were defined by their level of
importance. Corrective and preventive actions were measured to avoid as many design
changes as possible in this research. The results of this research encourage the
implementation of preventive actions by the professionals involved in low-rise reinforced
concrete building projects.
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