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All Journal J-Sil (Jurnal Teknik Sipil dan Lingkungan) Indonesian Journal of Geography Inersia : Jurnal Teknik Sipil dan Arsitektur Jurnal Teknik Sipil Jurnal Teknik Sipil dan Perencanaan Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Journal of Geoscience, Engineering, Environment, and Technology Teras Jurnal Journal of the Civil Engineering Forum Civil Engineering Dimension Civil Engineering Journal Jurnal Aplikasi Teknik Sipil Jurnal Teknik EPI International Journal of Engineering Action Research Literate (ARL) International Journal of Research in Vocational Studies (IJRVOCAS) Jurnal Pustaka Mitra : Pusat Akses Kajian Mengabdi Terhadap Masyarakat Jurnal Pusat Inovasi Masyarakat Journal Of Sustainability Perspectives Indonesian Geotechnical Journal Policy Brief Pertanian, Kelautan, dan Biosains Tropika Journal of Civil Engineering and Vocational Education Jurnal Greenation Ilmu Teknik (Journal of Environmental Sustainability Management) J-Sil (Jurnal Teknik Sipil dan Lingkungan)
Putra, Heriansyah
Department Of Civil And Environmental Engineering, Bogor Agricultural University, Darmaga, Bogor, 16680, INDONESIA
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Effect of Compressive Strength of Red Brick with the Addition of Carrageenan Nofriadi; Dary, Rhini Wulan; Oktaviani, Tetra; Putri, Wirdatun Nafiah; Putra, Heriansyah
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 3 No. 4 (2024): IJRVOCAS - Special Issues - International Conference on Science, Technology and
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v3i4.82

Abstract

Red brick is one of the building materials used to make building walls. Red bricks are made from clay and can be mixed using additives. The use of clay has the most composition in the red brick mixture. Adding addictive materials is an effort that many researchers have made to improve the quality of red bricks. In this study, researchers were interested in using carrageenan as a mixture of red bricks. The research was carried out experimentally in the laboratory by making brick samples measuring 5 cm x 5 cm x 5 cm with various mixtures of BMC (control), BMK5 with the addition of 5% carrageenan, BMK10 with the addition of 10% carrageenan, and BMK15 with the addition of 15% carrageenan with drying temperature 50°C, 100°C, and 150°C for 24 hours.Research data was obtained through an experimental process of testing the compressive strength of red bricks using a compression test equipment. The data obtained was processed to obtain the compressive strength value of the red brick. The results showed that addition of 5% of the carrageenan mixture had an effect on the compressive strength of the red brick. Addition of 5% carrageenan contributed to the increase in the compressive strength of the red brick. There was a decrease in the compressive strength of the red brick in the sample with the percentage of addition carrageenan by 10% and 15 %. The ideal drying temperature for a mixture of red bricks with carrageenan is at 50℃ for 24 hours.
Pengaruh Penambahan CaCO3 terhadap Parameter Kuat Geser Pasir Pantai Tri Julianto, Baskoro; Ramadhan, Fathur; Fauzan, Muhammad; Putra, Heriansyah
Jurnal Teknik Sipil dan Lingkungan Vol. 8 No. 3: Desember 2023
Publisher : Departemen Teknik Sipil dan Lingkungan, IPB University and The Institut of ENgineering Indonesia (PII), Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsil.8.03.233-239

Abstract

Tanah pasir merupakan salah satu jenis tanah yang memiliki sifat mekanik yang baik. Namun, tanah pasir dapat menjadi mimpi buruk bila dalam kondisi jenuh serta terbebani secara siklik terus-menerus. Kondisi seperti ini dapat memicu terjadinya potensi likuefaksi. Upaya penambahan bahan aditif sebagai upaya perbaikan tanah banyak dilakukan untuk meminimalkan dampak dari potensi likuefaksi tersebut. Penelitian ini melakukan upaya peningkatan kuat geser pasir pantai dengan menambahkan CaCO3 Teknis sebagai upaya perbaikan dan stabilisasi tanah. Pasir pantai yang digunakan merupakan pasir dengan gradasi buruk yang dapat dibuktikan dari nilai Koefisien Derajat Keseragaman (Cc) sebesar 0,90 dan nilai Koefisien Kelengkungan (Cu) sebesar 4,00. Selain itu, dilakukan juga pengujian sifat fisis lain berupa pemeriksaan kadar air, pemeriksaan berat isi kering, pemeriksaan berat isi basah, pemeriksaan berat jenis butir, pemeriksaan angka pori serta pemeriksaan porositas. Sampel diberi perlakuan berupa penambahan CaCO3 dengan dosis sebanyak 10% dan 20%. Hasil pengujian laboratorium yang telah dilakukan menunjukkan peningkatan nilai parameter kuat geser tanah yang disajikan dalam bentuk model persamaan linear serta memperlihatkan perubahan nilai parameter kuat geser pasir berupa sudut geser dalam dan kohesi secara berturut-turut dengan nilai sebesar 25,82% dan 25,00% untuk sampel dengan dosis CaCO3 sebesar 10% serta 54,43% dan 250,00% untuk sampel dengan dosis CaCO3 sebesar 20%.
Schiff Base Synthetic Coating from The Chitosan Acylation of Green Mussel Shell (Perna viridis) as A Corrosion Inhibitor in Reinforcing Steel Lukvy, Wisely; Yuwono, Arief Sabdo; Putra, Heriansyah
Jurnal Teknik Sipil dan Lingkungan Vol. 9 No. 1: April 2024
Publisher : Departemen Teknik Sipil dan Lingkungan, IPB University and The Institut of ENgineering Indonesia (PII), Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsil.9.1.51-60

Abstract

Reinforced concrete is widely used in construction implementation in Indonesia. The use of reinforcing steel as a structural material has the potential to experience corrosion. A Schiff base is one of the compounds considered a potential corrosion inhibitor. Green mussel (Perna viridis) contains chitosan which can produce chitosan Schiff base. This study aimed to analyze chitosan, Schiff base, optimum inhibitor concentration, and morphological structure. This research consisted of extraction and acylation transformation stages, corrosion rate measurement, and SEM testing. This research resulted in the degree of deacetylation of chitosan from the FT-IR spectra of 53.71%. Chitosan Schiff base from green mussel shells was successfully synthesized as much as 188.41 g. The optimum corrosion rate is found at the inhibitor concentration of 1500 ppm, with the highest efficiency level of 91.84%. The results of SEM testing on treated steel samples yielded fewer corrosion products in the form of uniform corrosion and pitting corrosion than untreated steel samples. This result shows that the chitosan Schiff base inhibitor from the optimum concentration of green mussel shells effectively inhibits the corrosion rate.
Campus Setting as Living Labs: Lessons from IPB University, Bogor, Indonesia Satria, Arif; Slamet, Alim Setiawan; Kosasih, Akhmad; Purwito, Agus; Siregar, Iskandar Z; Putra, Heriansyah
Journal of Sustainability Perspectives Vol 3, No 3 (2023)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsp.2023.20712

Abstract

IPB University in Bogor, Indonesia, has developed its campuses as living laboratories for education, research, community outreach, innovation, and business. The university's infrastructure under the living lab concept, such as forestlands, farmlands, wetlands, teaching factories, and business units, offer real-life opportunities for students and staff to create greater impacts to societies from their academic activities. This paper presents the lessons learned from IPB's campus setting as a living lab, focusing on how students and stakeholders can learn from the existing infrastructure and facilities, how research can benefit from a natural setting, and how the campus can serve as a model for sustainable living. Implementing living lab concept faces challenges as other new initiatives, particularly on the aspects of effective interdisciplinary works, formalizing the community of practices in which pool of experts are organized and knowledge management system is developed. In conclusion, in the era of emancipated learning implementation in Indonesia, IPB University's campus setting could provide a platform for facilitating activities related to science-practices/policy interface.
Managing Green Space to Achieve Sustainability of Infrastructure at IPB University Putra, Heriansyah; Hidayat, Febrian R; Sutoyo, Sutoyo; Qayim, Ibnul; Utami, Anisa D; Slamet, Alim S
Journal of Sustainability Perspectives Vol 4, No 1 (2024)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsp.2024.24790

Abstract

IPB University, Indonesia, has 18 campuses and is designed as a sustainable university. With a total area of 1669 Ha, IPB University has been beneficial in managing the massive area of campus site infrastructure. Managing the infrastructure development that considers the open space, including the forests, planted vegetation, and the ground surface for water absorption, is essential to achieve the sustainability of the infrastructure at IPB University. This paper presents the lessons learned from IPB University's campus setting in managing infrastructure development, focusing on developing open space, forests, and planted vegetation. Managing infrastructure development on campus to support the increasing number of students and the development of education, research, and campus activities faces various challenges. For this, IPB University provides a master plan as a policy and control system to ensure that all developed infrastructure has the goal of supporting campus activities and is highly considered for the sustainability of open spaces on campus.
Toward a Vision of Sustainable University: Linkages between Commitment and Practices Qayim, Ibnul; Utami, Anisa Dwi; Putra, Heriansyah; Slamet, Alim S; Mardiana, Rina; Dwiyanti, Fifi Gus
Journal of Sustainability Perspectives Vol 4, No 1 (2024)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/potensi.%Y.24793

Abstract

Sustainability management plays a significant role in higher education. Development of a sustainable university involves integrating environmental, social, and economic considerations into various aspects of its operations, including campus infrastructure, curriculum, research, and community engagement. This urgently requires a strong commitment as a driving force behind sustainable initiatives, guiding actions, decisions, and investments toward achieving sustainability goals. IPB University as one of the most prominent universities in Indonesia is not only committed to becoming a sustainable university but also consistent in developing strategic plans to pursue its vision. Guided by this vision, IPB University has specifically established the Sustainable Campus Development Office (SCDO) to devise comprehensive sustainability plans outlining its goals, targets, and strategies for reducing environmental impact, promoting social equity, and ensuring economic viability. While it is still on progress, this commitment has played a significant role in encouraging sustainability practices at the university. It provides a foundation for leadership, governance, resources allocation, curriculum integration, student engagement, community partnerships, monitoring, reporting, and continuous improvement toward achieving sustainability goals. In addition, the university has established several sustainability values as guidance and indicators for maintaining sustainable practices. Integrating values and commitment is thus critical to realizing sustainable practices from generation to generation.
Peningkatan Kualitas Material Endapan dengan Penggunaan Etanol pada Metode SCU-CP sebagai Upaya Perbaikan Tanah Maulasih, Resti; Putra, Heriansyah; Hendra Prasetia, Hendra Prasetia
Jurnal Teknik: Media Pengembangan Ilmu dan Aplikasi Teknik Vol 23 No 2 (2024): Jurnal Teknik - Media Pengembangan Ilmu dan Aplikasi Teknik
Publisher : Fakultas Teknik - Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55893/jt.vol23no2.670

Abstract

Penggunaan konsentrasi kedelai yang tinggi dalam metode calcite precipitation dapat meningkatkan kadar organik. Kadar organik dapat diturunkan dengan menggunakan etanol pada rentang 20%-30% sehingga pengaruh perbedaan konsentrasi kedelai dan etanol perlu dievaluasi untuk mendapatkan endapan material CaCO3 dengan kualitas terbaik. Evaluasi dilakukan dengan menggunakan parameter laju hidrolisis, pengendapan CaCO3, serta kuantifikasi massa CaCO3 dan bentuk mineral yang terbentuk. Penggunaan etanol 20% pada konsentrasi kedelai 60 g/L menunjukkan hasil terbaik dengan nilai laju hidrolisis sebesar 1547 U/g dan nilai tersebut cukup dekat dengan nilai laju hidrolisis urease komersial Kishidan 2 g/L. Selain itu, massa CaCO3 yang terbentuk sebesar 2,97 g dengan jumlah kalsit lebih tinggi dibanding vaterit dan aragonit. Massa organik yang tidak larut pada larutan kedelai dengan etanol lebih sedikit daripada variasi tanpa etanol. Hal ini berkaitan dengan penggunaan supernatan yang menurunkan jumlah kadar organik. Turunnya kadar organik mempengaruhi turunnya jumlah endapan CaCO3. Bentuk endapan yang terbentuk pada kristal kalsit (rhombohedral) menjadi bentuk terbaik dalam mengikat tanah sehingga dapat meningkatkan kekuatan tanah.
Wujudkan Kampus Berkelanjutan melalui Regenerative Waste Governance IPB, BPKB; Mardiana, Rina; Yuwono, Arief Sabdo; Putra, Heriansyah; Febrita, Joana; Amperanoto, Agus; Ekayani, Meti; Purwanto, Budi; Hudaya, Aang; Dwiyanti, Fifi Gus; Qayim, Ibnul; Utami, Annisa Dwi; Sita, Rai; Mustika, Aulia Andi; Abidin, Zaenal; Sari, Windi Mayang; Rifnadhi, Bayu; Rukmana, Adi
Policy Brief Pertanian, Kelautan, dan Biosains Tropika Vol 6 No 3 (2024): Policy Brief Pertanian, Kelautan dan Biosains Tropika
Publisher : Direktorat Kajian Strategis dan Reputasi Akademik IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agro-maritim.0603.959-966

Abstract

IPB University dalam mengimplementasikan visi sebagai perguruan tinggi inovatif dan berkelanjutan, mengadopsi pendekatan regenerative waste governance (tata kelola sampah regeneratif). Pendekatan ini tidak sekedar menitikberatkan pada pengelolaan sampah sebagai beban masalah, melainkan bertujuan menciptakan dampak positif yang bersifat regeneratif terhadap lingkungan dan masyarakat. Beberapa aspek kunci meliputi penerapan model tiga lini tata kelola, pengembalian bahan, desain berkelanjutan, restorasi ekosistem, pemberdayaan komunitas, inovasi teknologi berkelanjutan, siklus hidup produk, dan upaya edukasi peningkatan kesadaran. Tata kelola sampah IPB didukung oleh regulasi dan kebijakan yang telah diimplementasikan, mencakup larangan penggunaan kemasan styrofoam dan plastik, pengurangan sampah kertas, pemilahan sampah, dan program Green Campus. Analisis SWOT (Strengths, Weakness, Opportunities, and Threats) telah mengidentifikasi kekuatan, kelemahan, peluang, dan ancaman dalam pengelolaan sampah IPB. Rendahnya penegakan hukum dan kesadaran warga IPB terkait pemilahan sampah merupakan aspek kelemahan dalam tata kelola sampah IPB saat ini. Peluang peningkatan tata kelola sampah IPB melalui budidaya maggot dan pengembangan produk bernilai bisnis dari sampah anorganik memiliki potensi tinggi untuk dikembangkan. Sementara itu, ancaman terkait kesehatan, penurunan kualitas lingkungan, dan reputasi keberlanjutan IPB memerlukan perhatian khusus. Perbaikan pada pengelolaan limbah B3, pembaruan landasan hukum, dan peningkatan kesadaran warga IPB menjadi hal penting dalam upaya IPB meningkatkan tata kelola sampah regeneratif.
Komitmen IPB sebagai Nature Positive Universities IPB, BPKB; Dwiyanti, Fifi Gus; Zulkarnaen Siregar, Iskandar; Kaswanto; Raffiudin, Rika; Priawandiputra, Windra; Herdiyeni, Yeni; Santoso, Nyoto; Nurrochmat, Dodik Ridho; Qayim, Ibnul; Mardiana, Rina; Putra, Heriansyah; Utami, Anisa Dwi
Policy Brief Pertanian, Kelautan, dan Biosains Tropika Vol 6 No 3 (2024): Policy Brief Pertanian, Kelautan dan Biosains Tropika
Publisher : Direktorat Kajian Strategis dan Reputasi Akademik IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agro-maritim.0603.953-958

Abstract

IPB University telah berkomitmen untuk menjadi bagian dari Nature Positive Universities Network, yang sejalan dengan komitmen IPB sebagai Green Campus (Kampus Hijau), Kampus Biodiversitas dan komitmen IPB Netral Karbon 2030, dengan melaksanakan empat elemen Nature Positive yakni: (1) penilaian dasar keanekaragaman hayati, (2) penentuan target alam yang spesifik; (3) pengayaan dan penanaman; dan (4) pelaporan data atau status keanekaragaman hayati secara tahunan. Namun tantangan utamanya adalah bagaimana merubah fixed mindset ke arah Nature Positive, selain merubah paradigma menjadi Kampus Hijau. Tentunya, diperlukan visi yang kuat, dukungan finansial, tata kelola yang baik serta perilaku ramah lingkungan seluruh sivitas akademika. Beberapa langkah yang dapat dilakukan IPB University menuju Nature Positive Universities antara lain penentuan lokasi penilaian keanekaragaman hayati kampus IPB untuk Nature Positive Universities project, penilaian dasar keanekaragaman flora dan fauna sebagai baseline status keanekaragaman hayati di kampus IPB, deliniasi Taman Hutan Kampus, dan pembuatan permanent plot Taman Hutan Kampus untuk monitoring keanekaragaman hayati, pengayaan tanaman, penilaian keanekaragaman hayati secara berkala, serta pembangunan basis data dan sistem informasi keanekaragaman hayati.
Penguatan Tata Ruang Kota dalam Mitigasi Dampak Perubahan Iklim IPB, BPKB; Alatas, Husin; Dwiyanti, Fifi Gus; Helmi, Alfian; Qayim, Ibnul; Putra, Heriansyah; Utami, Anisa Dwi; Amigunani, Zahra Wajdini
Policy Brief Pertanian, Kelautan, dan Biosains Tropika Vol 6 No 3 (2024): Policy Brief Pertanian, Kelautan dan Biosains Tropika
Publisher : Direktorat Kajian Strategis dan Reputasi Akademik IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agro-maritim.0603.1005-1011

Abstract

Perubahan iklim telah membawa dampak signifikan pada kondisi geografis dan lingkungan hidup di Indonesia, yang menjadi semakin rentan terhadap bencana alam. Dalam menghadapi tantangan ini, diperlukan langkah-langkah konkret dari pemerintah, seperti pembaruan kebijakan tata ruang, peningkatan standar konstruksi yang tahan bencana, dan pendekatan inklusif dalam pengambilan keputusan. Selain itu kerjasama antara pemerintah, sektor swasta, dan partisipasi aktif masyarakat dalam bentuk sadar bencana, penguatan tata ruang juga diperlukan dalam mencapai ketahanan dan keberlanjutan jangka Panjang. Beberapa strategi penguatan tata ruang dalam upaya mitigasi perubahan iklim antara lain pengelolaan Ruang Terbuka Hijau (RTH), konservasi lahan basah dan hutan, pola tata ruang yang berkelanjutan, pengelolaan air dan bencana alam, promosi pembangunan hijau dan efisiensi energi, perencanaan adaptasi perubahan iklim, dan penyusunan rencana aksi dan kebijakan.
Co-Authors Achmad Hafidz Agus Purwito Akbar Renaldi Loebis Albar, Dimas Kharizmi Alfian Helmi Alifah Fidela Amigunani, Zahra Wajdini Amperanoto, Agus Andes Ismayana Andra Ardiana Angie Irmajulianna Annisa Daniswara Apriadi, Apriadi Apriadi, Apriadi Ardhana, Wigo Ari Setiawan Arief Nugroho, Danang Arief Sabdo Yuwono Arif Satria Aryanti, Windy D Aswin Lim Athourrohman, Muhammad Aulia , Syifa Aulia Andi Mustika Bella Yuliani Bilqist, Fitri W Budi Purwanto Budijanto Widjaja Chusnul Arif Daniswara, Annisa Debendra Neupane Devya Meisnnehr Devyan Meisnnehr Dian Hestiyantari Dodik Ridho Nurrochmat Dwi Utami , Anisa Eka Putra, Reza Erizal Erizal , Erizal . Erizal Erizal Faiq, Muhammad F Fauzan Subeantoro Fazrina Andriani Sakinah Lubis Febrianto, Ari Febrita, Joana Fifi Gus Dwiyanti Fikha Raihani Fitriyah, Fadla Salma Giri Rasyidpradana Ganda Hafidz, Achmad Hamdun, Mohammad Handian Purwawangsa Hendra Prasetia Henky Muljana Herlan Darmawan Hidayat, Febrian R Hideaki Yasuhara Hideaki Yasuhara Hideaki Yasuhara Hideaki Yasuhara Hudaya, Aang Husin Alatas Hutapea, Jose T I Wayan Wirya Aristyana IBNUL QAYIM Imam Suyanto IPB, BPKB Irgie Yudhistira irwan meilano Irzaman, Irzaman ISKANDAR ZULKARNAEN SIREGAR Julianto, Baskoro Tri Khairunnisa, Zayyaan Nabiila Khayyira, Avrill Khoirunisa, Hana Khoirunnisa, Hana Kosasih, Akhmad Larasaty Layla Alifani Ekrep Loebis, Akbar Renaldi Lofianda, Luthfi Lukvy, Wisely Luthfi Lofianda Maharama , Mochammad Zhafran Ichsan Maria Evita Maulasih, Resti Meti Ekayani Mitra Djamal Moch Ridwan Widiansyah Mochammad Izzudin Ma’mun Moh Yasin Muhamad Raffi Rahman Muhammad Adhiragil Kandyas Muhammad Fauzan Muhammad fauzan Munawar, Muhammad A I Murdiono, Jatmiko N Annisa, Chika Naoki Kinoshita Naoki Kinoshita Naoki Kinoshita Natasyarini, Nanda Purwita Nina Siti Aminah Nofriadi Nurmansyah, Muhammad Reza Nurul Chairunnisa Nyoto Santoso Oktafiani, Pradyta Galuh Oktafiani, Pradyta Galuh Oktaviani, Tetra Praditya, Meindika R Prawira, Gilang Indracakti Purwo Mahardi Putri , Riska Aulia Putri , Risky Sherly Putri Zafira, Aura Putri, Risky Sherly Putri, Wirdatun Nafiah Putri, Zenia Dwi Rahman, Muhamad Raffi Rahmawan, Rama Zaky Rai Sita Ramadhan, Fathur Ramadhanis, Zainab Regina Aprilia Zulfikar Retna Apsari Rhini Wulan Dary Rifnadhi, Bayu RIKA RAFFIUDIN Rina Mardiana Risky Sherly Putri Risma Amelia Rivansyah, Mohamad Daffa Rizki Amelia Rosyadah, Rani Rukmana, Adi Sari, Windi Mayang Satyanto Krido Saptomo Shahilla Larasaty Slamet, Alim S Slamet, Alim Setiawan Suryanto, Wiwit Sutanto , Filipus Gianus Sutoyo Sutoyo Sutoyo Sutoyo Syamsul Arifin Tri Sudibyo Triyogo Aleksandria Ulhaq, Yasminna Dhiya Umam, Faqih Nadiya Utami, Anisa D Utami, Anisa Dwi Utami, Annisa Dwi Wahyu Srigutomo Wahyudi Wahyudi WINDRA PRIAWANDIPUTRA, WINDRA Yasuhara, Hideaki Yudi Chadirin Yuli Suharnoto Zaenal Abidin Zafira, Aura Putri Zalfa Maulida Ihsani