Seethapathy, Sathiyamurthy and Henderson, Jane Helena
(2017)
Management of Construction Waste in Nuclear and Thermal Power
Plant Projects in India.
Journal of Construction in Developing Countries , 22 (1).
pp. 19-46.
ISSN 1823-6499
Abstract
Waste in construction is important both from the perspective of productivity and
from environmental considerations. Mostly actual quantum of waste generation exceeds
the percentage envisaged initially, causing needless utilization of both natural and human
resources. It is understood from project and construction managers during site survey that
there is plenty of scope for enhancing project productivity simply by minimizing waste out
of construction and also saving the cost as well as extraction of natural resources. This
paper attempts to identify the causes towards generation of waste of different types of
building materials during various stages of construction in different power plant projects in
India. Subsequent to identifcation, methods are proposed to mitigate the generation of
construction wastes by adopting appropriate construction and management checks and
methods, which allow waste reduction. The use of various building materials in different
types of projects has different impact on the amount of waste generation, environment,
and cost. Research data were gathered from the analysis of fve power plant projects under
construction or already completed in different states in India. The causes of such occurrences
of each item and details have been analysed from the questionnaire survey and the same
was processed for normalizing, data cleaning, and reliability analysis done through SPSS. The
result of the frst questionnaire was used along with site inputs/factual data to project the
tabulation of perception versus reality. Furthermore, a second questionnaire was initiated for
the validation of the above using non parametric statistic test and suitable recommendations
were given to reduce wastage. The research paper reveals the major root causes for material
wastage in construction of power plant projects and proper awareness to be created to the
relevant project team by training. The fndings of this paper would help in enhancing project
productivity during construction, cost savings to the extent of 1.667% to 1.941% of total project
cost and minimizing the extraction of natural resources.
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