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Uda, Subrata Aditama Kittie Aidon
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Civil Engineering, Building, Construction & Architecture Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Estimasi dan Optimalisasi Jumlah Karbon pada Material Konstruksi Jalan di Tanah Gambut Kota Palangka Raya Uda, Subrata Aditama Kittie Aidon; Uda, Saritha Kittie; Devia, Devia
Portal: Jurnal Teknik Sipil Vol 15, No 2 (2023): October Edition
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v15i2.4594

Abstract

Proses Pembangunan jalan berwawasan lingkungan merupakan faktor utama dalam mewujudkan bangunan yang ramah lingkungan dan rendah emisi. Penelitian ini bertujuan menghitung jumlah karbon yang dihasilkan dari penggunaan material konstruksi jalan serta melakukan optimalisasi jenis material rendah emisi karbon. Metode analisis karbon menggunakan rumusan perhitungan. Hasil penelitian menunjukkan total karbon yang dihasilkan sebanyak 146.569,20 KgCO2 atau 145,57 ton karbon. Material semen sebagai filler dan box culver menghasilkan karbon terbesar yaitu 47% atau sebesar 68,54 ton karbon, jika material ini diganti dengan abu batu diperoleh penurunan sebesar 0,59 ton karbon atau sebesar 98%, sehingga secara total akan menurunkan jumlah karbon sebesar 46,37%. Penurunan ini disebabkan perbedaan besaran koefisien karbon semen yaitu 0,83 KgCO2/Kg sedangkan abu batu sebesar 0,008 KgCO2/Kg. Nilai konversi harga karbon yang berlaku di Indonesia sebesar           Rp. 2.040.000,-. Oleh karena itu penggunaan dan pemilihan material dengan nilai koefisien karbon terendah dapat menurunkan jumlah emisi karbon dari bangunan tersebut secara signifikan
Analisis Penerapan Faktor-Faktor Green Supply Chain pada Proyek Konstruksi Gedung di Kota Palangka Raya Pradila, Mitha; Uda, Subrata Aditama Kittie Aidon; Waluyo, Rudi
Jurnal Talenta Sipil Vol 7, No 2 (2024): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v7i2.599

Abstract

Climate change due to increased greenhouse gas emissions and resource depletion is one of the biggest challenges of the 21st century. The construction sector contributes to economic development by providing equipment and physical infrastructure. However, there are negative impacts such as waste generation and environmental pollution, especially in developing countries. Green supply chain as a way to reduce the negative environmental impact of construction projects. Green supply chain practices are considered as environmentally friendly practices that include water efficiency, energy efficiency, waste management, environmental conservation, recycling and reuse. But the lack of research on green supply chains has led to very little information about the application of green supply chains in building construction projects. The purpose of this study was to determine and analyze the dominant factors in the application of green supply chain factors in building construction projects in Palangka Raya City. This research uses quantitative descriptive methods and data collection in the form of surveys and distributes questionnaires to 36 contractors with a return rate of 89%. This study identified 68 green supply chain factors applied to building construction projects in Palangka Raya City. The results showed three dominant factors in the application of green supply chain factors in building construction projects in Palangka Raya City as a whole: There are performance evaluations for workers, Quality testing is carried out on installed mechanical and electrical installations, There are SOPs for work control and supervision. 
Kajian Investigasi Penerapan Building Information Modelling (BIM) pada Sektor Konstruksi di Kota Palangka Raya Uda, Subrata Aditama Kittie Aidon; Uda, Saritha Kittie; Devia, Devia
Portal: Jurnal Teknik Sipil Vol 17, No 1 (2025): April Edition
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v17i1.5848

Abstract

The construction industry is witnessing a rapid and sophisticated advancement in technology and information, which has led to intense competition among construction service providers. One of the technologies that has completely changed the construction sector is Building Information Modelling (BIM). Acquiring proficiency in this approach will boost productivity and enhance time, expense, quality, and environmental friendliness. Nonetheless, there is still a lack of discernible progress in the application of BIM in the construction industry, particularly for contractors and consultants residing outside of Java Island. This research was conducted in the city of Palangka Raya where most of the construction service actors still use conventional methods, this will provide an opportunity to find out the responses and obstacles experienced by local construction service actors regarding the use of BIM in construction work. The results showed that the advantage factor was occupied by the cost and time management sub-factor with a mean value of 4.158 and a standard deviation of 0.449, while the obstacle factor was the BIM support facility with a mean value of 4.422 and a standard deviation of 0.666 as the dominant factor inhibiting the implementation of BIM in construction projects in Palangka Raya City. The government's participation in enhancing contractors' and consultants' capacity to understand BIM through training and competency programs is necessary to foresee this hindrance factor.
Co-Authors Devia, Devia Pradila, Mitha Rudi Waluyo Uda, Saritha Kittie