Study of the Benefits of Green Building Development (Case Study: Classroom Building of the Faculty of Engineering, Hasanuddin University)

Abstract

Green buildings are part of sustainable buildings, a hot topic in the international construction world. A green building, or Green Building, is defined as a structure designed to reduce environmental impact by decreasing energy and water consumption. The concept of a green building focuses on how buildings use energy efficiently to minimize their overall negative impact on the environment. In terms of cost implications for green buildings, construction costs are higher initially, but lifecycle and maintenance costs are lower.

This research aims to evaluate the benefits of implementing green building development for the Classroom Building of the Faculty of Engineering at Hasanuddin University over the next 30 years, focusing on energy and water conservation efficiency.

The study's findings reveal an analysis of the development of a green building for the Classroom Building of the Faculty of Engineering at Hasanuddin University over the next 30 years. In terms of energy conservation, the Net Present Value (NPV) is IDR 7,257,013,000, with total electricity cost savings amounting to IDR 1,504,508,000. The initial electricity usage cost was IDR 8,761,521,000, with a sensitivity analysis range showing energy savings between 15% and 19%. For water conservation, the implementation of green building development resulted in savings of IDR 598,904,000, compared to an initial water usage cost of IDR 746,049,000, with a total cost saving of IDR 147,145,000. The sensitivity analysis indicates water savings of approximately 20%.