Sustainability in Construction: Reduce, Reuse and Recycle for a Greener Qatar
Abstract
In this paper, an innovative Engineering Sustainability Policy (ESP) and a new Sustainable
Engineering Index (SEI) is proposed on the basis of testing results obtained within the
context of the DN16 project in the State of Qatar, the largest project of the existing
C2 Programme which represents the biggest sewage, drainage, and roads development
programme worldwide. The ESP has been developed through a joint effort and active
participation by the authors from Ashghal (PWA), the government entity, Arcadis,
the consultant (acting from a design and site supervision perspective) and contractor
(CCC). The policy refers to the general pillars for sustainable engineering defined
by the Institution of Civil Engineers (ICE), which are environmental, financial, and
social. Also, it fully aligns and complies with Ashghal and Qatar Vision 2030 regarding
sustainability. The proposed policy takes into account a number of areas and aspects
across all distinct phases of a project life-cycle, from master-planning to the design
phase, from construction to handing over phases. During the testing phase for both the
policy and index, the project's CAPEX and OPEX have been monitored throughout
and, by adopting the new proposed approach, a decrement of the overall costs has been
observed. The new proposed policy and index shall comply with international regulation
over sustainable engineering, however they have been primarily designed to integrate
existing Ashghal policies and procedures based over the on-going interaction process
between major parties involved. Next step will be to define a refined calibration of the
suggested SEI using data from a wider pool of projects from a holistic perspective, i.e.
from concept to the handing over phase. The newly proposed SEI may be used as an
initial effective tool to monitor the sustainability status of every project by means of
qualitative interviews with key project people and managers.
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