ORIGINAL RESEARCH
Sustainable Consumption Patterns Adopting
BIM-Enabled Energy Optimization - A Case Study
of Developing Urban Centre
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1
Department of Civil Engineering, Capital University of Science and Technology (CUST), Islamabad Expressway,
Kahuta Road, Zone-V 44000 Islamabad, Pakistan
2
Department of Civil and Environmental Engineering, Universiti Teknologi PETRONAS, 32610 Seri Iskandar,
Perak Darul Ridzuan, Malaysia
3
Department of Civil Engineering, University of Engineering and Technology, Taxila, Pakistan
Submission date: 2021-09-14
Final revision date: 2021-12-02
Acceptance date: 2022-01-02
Online publication date: 2022-04-12
Publication date: 2022-06-20
Corresponding author
Syed Shujaa Safdar Gardezi
Department of Civil Engineering, Capital University of Science & Technology (CUST), Islamabad Expressway, Kahuta Road, Zone-V, 44000, Islamabad, Pakistan
Pol. J. Environ. Stud. 2022;31(4):3095-3103
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ABSTRACT
Population and urbanization have resulted in increased demands of high-rise buildings to meet
the spatial challenge. However, energy consumption by high risers have become a serious concern,
especially in developing countries. Supporting the 2030 agenda for sustainable development needs
improvement in energy efficiency at global as well as local levels, thus requiring proper sustainable
consumption patterns. The current work explores an innovative approach to optimize the operational
energy consumption utilizing building orientation at the design stage. A 3D parametric BIM model
of a sixteen-story high-rise building was analysed for the proposed location. A rotation scheme with
an angular increment of 45° was devised to observe the energy consumption patterns. The energy
analysis and Building Energy Quotient (bEQ) level observed energy-intensive pattern at the proposed
orientation. For the rotation scheme analysed, almost 70% achieved a “Poor” rating of bEQ, whereas
the remaining were at “Fair” level. Rotating the building’s face in the West → North or East → South
direction, annual energy consumption pattern observed a decreasing trend and vice versa. Rotation
02 (45°) resulted a minimum annual energy consumption was further optimized opting certain design
parameters, thus resulting in an overall annual energy saving of almost 64%. This improved rating scale
from a Fair to “Very Good” status, also meeting the challenge of Architecture 2030. The study observed
proper orientation-based energy analysis of the built environment at the design stage offers promising
prospects for optimized consumption patterns for sustainable developments.