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All Journal Equivalent: Jurnal Ilmiah Sosial Teknik SOROT: Jurnal Pengabdian Kepada Masyarakat Jurnal Teknik Sipil dan Perencanaan
Handoko Subawi
Sekolah Tinggi Teknologi Mandala
Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Social Sciences Other

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Life Cycle Cost of Eco-Friendly Building Materials in Office Buildings: Supporting GBCI Greenship Certification Asep Suhana; Hetty Fadriani; Handoko Subawi
Equivalent: Jurnal Ilmiah Sosial Teknik Vol. 8 No. 3 (2026): Equivalent: Jurnal Ilmiah Sosial Teknik
Publisher : Politeknik Siber Cerdika Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59261/jequi.v8i3.368

Abstract

Background: Indonesia’s construction sector faces challenges in reducing environmental impacts while maintaining the economic feasibility of projects. Objective: This study aims to analyze the life cycle cost (LCC) of environmentally friendly materials used in office building envelope components and evaluate their contribution to achieving points in the Green Building Council Indonesia (GBCI) Greenship certification system. Methods: A quantitative comparative case study approach was employed on a five-story office building in Jakarta, with an analysis period of 30 years and a discount rate of 8%. The evaluated components included wall systems, concrete structures, and façade glazing, comparing conventional materials with environmentally friendly alternatives such as autoclaved aerated concrete (AAC) blocks, geopolymer concrete, and low-emissivity (low-e) glass. The data were analyzed using the LCC equation and supplemented with sensitivity analyses of discount rates and energy price variations. Results: The results showed that although the initial costs of environmentally friendly materials were 12–18% higher, the total LCC over 30 years was 9.5–9.8% lower than that of conventional materials. The cost break-even point occurred between the 9th and 11th years. Furthermore, the application of these materials contributed six points to the Material Resources and Cycle category in the GBCI Greenship v1.2 rating system. Conclusion: This study concludes that the LCC approach can serve as a basis for rational decision-making to encourage the adoption of green building materials in Indonesia.
Comparative Statistical Analysis of Geotextile Tensile Strength Using Wide-Width Strip and Grab Test for Soil Reinforcement Applications Handoko Subawi; Hetty Fadriani
Jurnal Teknik Sipil dan Perencanaan Vol. 28 No. 1 (2026): Jurnal Teknik Sipil dan Perencanaan
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v28i1.47420

Abstract

Abstract. The objectives of this study were to compile a database of geotextiles, test for differences in parameter values between the two methods, and develop a regression model to predict Strip Test values from Grab Test data. This study employed a quantitative approach using local products data, global products for comparison, raw test data, standards, and documents from other countries. Statistical analysis used analysis of variance and boxplots due to the wide variation in the commercial data. The findings of this study confirmed that the Wide-Width Strip Test method per ASTM D4595 produces more precise, consistent, and relevant tensile strength data than the Grab Test per ASTM D4632. The Grab/Strip ratio measured ranged from 1.13 to 6.40 and was not constant. The Strip coefficient of variation of 2.4% was almost half that of the Grab at 5.4%. Woven PET has been shown to have a 48% higher tensile strength and <25% lower elongation than woven PP at the same nominal strength, due to the stiffness of PET's aromatic chains. This study proves that there is no universal conversion factor between the two methods. Mandatory soil reinforcement project specifications require ASTM D4595 or ISO 10319 Strip data.
Pendampingan dan Pelatihan Microsoft Office untuk Meningkatkan Keterampilan Administrasi Perkantoran bagi Kader PKK dan Karang Tarunadi Kelurahan Kebon Kangkung Givy Devira Ramady; Hermawaty; Asep Suhana; Ninik Sri Lestari; Raden Willa Permatasari; Hetty Fadriani; Andrew Ghea Mahardika; Herlina; Wisnu Hidayat; Tri Yulianto; Asep Suherman; Handoko Subawi
SOROT : Jurnal Pengabdian Kepada Masyarakat Vol. 5 No. 1 (2026): Januari
Publisher : Fakultas Teknik dan Ilmu Komputer (FASTIKOM) UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/0hqnk561

Abstract

Perkembangan teknologi khususnya di bidang informasi dan komunikasi telah memberikan dampak positif terhadap produktifitas dan efisiensi kerja administrasi perkantoran. Proses pengolahan dokumen dan data hingga penyajiannya dalam bentuk laporan yang sistematis semuanya memanfaatkan aplikasi perkantoran seperti Microsoft office. Kader PKK serta Karang Taruna merupakan pilar utama dalam pelaksanaan berbagai kegiatan sosial dan pemberdayaan masyarakat yang berperan strategis sebagai penggerak partisipasi masyarakat dalam mendukung program-program kelurahan, baik yang berkaitan dengan administrasi maupun sosial kemasyarakatan. Dalam rangka meningkatkan produktifitas pelayanan administrasi, maka kegiatan pendampingan dan pelatihan administrasi perkantoran menggunakan aplikasi Microsoft Office bagi keder PKK dan Karang Taruna Kelurahan Kebon Kangkung ini dirasa penting dan perlu dilakukan sebagai salah satu bentuk upaya peningkatan keterampilan administrasi perkantoran. Evaluasi pelatihan Microsoft Office dilakukan melalui pre-test dan post-test, penilaian praktik peserta, evaluasi kehadiran dan kepuasan peserta, serta penyusunan laporan evaluasi untuk menilai ketercapaian tujuan dan efektivitas pelatihan. Tingkat pemahaman akhir berada > 78 % sehingga kegiatan ini dapat dikatakan cukup berhasil.
Co-Authors Andrew Ghea Mahardika Asep Suhana Asep Suherman Givy Devira Ramady Herlina Hermawaty Hetty Fadriani Ninik Sri Lestari Raden Willa Permatasari Tri Yulianto Wisnu Hidayat