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Analisis Conceptual Cost Estimation (CCE) untuk Pembangunan Gedung Kuliah Bersama Tambahan (GKB 3) Alrasyid, Kevin Abdullah; Ariestadi, Dian
Jurnal Indonesia Sosial Teknologi Vol. 6 No. 1 (2025): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v6i1.8790

Abstract

Cost estimation plays a crucial role in ensuring the feasibility and success of construction projects. However, producing accurate estimates, particularly in the early conceptual stages, remains a challenge due to limited information. This study addresses the issue by analyzing the cost estimation process for the construction of the Joint Lecture Building (GKB 3) at State University of Malang. The objective of this study is to provide an accurate and systematic cost estimation to support the construction planning of GKB 3. The study employs a conceptual cost estimation (CCE) method. Data were obtained from field surveys (primary data) and relevant regulatory standards, technical documents, and unit prices (secondary data). Key inclusion criteria include projects categorized under multi-story educational buildings. Analytical descriptive methods were used to process the data. The results indicate that the total building area for GKB 3, spanning nine floors, is 29,932 m², with an estimated cost of IDR 865,037,221,000. This amount includes standard costs, non-standard costs, and Value Added Tax (VAT). Standard costs were calculated using the building's area, multiplying factors, and unit price standards. Non-standard costs, such as installations for air conditioning, elevators, and fire protection systems, were estimated based on regulatory guidelines and their respective percentages of standard costs. In conclusion, the study highlights the importance of employing systematic and regulation-based estimation methods to achieve accurate cost calculations. This approach ensures efficient resource allocation and supports strategic planning for the construction of educational infrastructure.
Optimalisasi Desain Pencahayaan Alami Tipologi Ruang Kelas Gedung GKB UM dengan Analisis DIALUX EVO Dewi, Cynthia Permata; Ariestadi, Dian; Sari, Astri Anindya
RUAS Vol. 21 No. 2 (2023)
Publisher : Departemen Arsitektur Fakultas Teknik Universitas Brawijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.ruas.2023.021.02.6

Abstract

Visual comfort is an important aspect of teaching and learning activities. This study used simulation with DIALux evo 9.1 at the Joint Lecture Building (GKB) State University of Malang. Data analysis uses a quantitative descriptive approach. Natural lighting simulation is carried out to get an idea of natural lighting and its effects. The results showed that the average intensity of room lighting was above the lighting standard. The highest intensity occurs at 12:00, while the lowest is at 16:00. The level of visual comfort due to natural lighting is not optimal. Very high lighting intensity results in glare effect on the transparent wall side of the room, while the inner side is below the room lighting standard. The influence of architectural and façade design that affects the optimization of natural lighting is: building orientation, the use of transparent walls full of CW (curtain wall) construction, minimizing the use of horizontal shading, by tending to use vertical shading-fins, and making transparent material selection.