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All Journal Kompak : Jurnal Ilmiah Komputerisasi Akuntansi Civil Engineering Journal Jurnal Pensil : Pendidikan Teknik Sipil Transparansi Jurnal Ilmiah Ilmu Administrasi Jurnal Teknik Sipil Cendekia (JTSC) Jurnal Manajemen Informatika & Teknologi Engineering Science Letter Education: Jurnal Sosial Humaniora dan Pendidikan Journal of Innovative and Creativity Jurnal Ilmiah Sistem Informasi Advance Sustainable Science, Engineering and Technology (ASSET) Eudaimonia : Journal Psychology Jurnal Ilmiah Ilmu Komputer dan Teknologi Informasi (JIKOMTI)
Sari, Endah Murtiana
UNIVERSITAS SAINS INDONESIA
Humanities Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Social Sciences Other

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Faktor yang Mempengaruhi Kinerja Mitra Pengusaha Kualifikasi Kecil dalam Pembangunan Proyek Infrastruktur di Kabupaten Sorong Sutikno, Sutikno; Irawan, Agustinus Purna; Murtiana, Endah
Transparansi : Jurnal Ilmiah Ilmu Administrasi Vol. 8 No. 2: Desember 2025
Publisher : Institut Ilmu Sosial dan Manajemen STIAMI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31334/transparansi.v8i2.4951

Abstract

(Factors Affecting the Performance of Small Business Partners in Infrastructure Project Development in Sorong Regency) Kebijakan otonomi khusus (Otsus) yang memberikan kelonggaran dalam proses pengadaan barang dan jasa, termasuk penunjukan langsung hingga dengan nilai penggadaan mancapai maksimal dua miliar rupiah, hal ini membuka peluang bagi keterlibatan pengusaha lokal dengan kualifikasi kecil dalam proyek infrastruktur, khususnya pekerjaan jalan di kabupaten sorong, Papua Barat Daya. Konsekuensi implementasi kebijakan ini menemui berbagai tantangan. Minimnya pengetahuan teknis dan manajerial dari para penyedia jasa pengusaha lokal dengan kualifikasi kecil seringkali menyebabkan pekerjaan tidak sesuai dengan Kerangka Acuan Kerja (KAK)/Term of Reference (TOR), maraknya praktik subkontrak tidak resmi, hingga mutu konstruksi yang tidak memenuhi standar teknis. Tingkat kepuasan masyarakat pun rendah akibat cepat rusaknya infrastruktur yang dibangun. Pemerintah daerah belum memiliki instrumen evaluasi yang terukur untuk menilai kinerja proyek-proyek yang dilaksanakan oleh pengusaha pengusaha lokal dengan dengan kualifikasi kecil. Penelitian ini bertujuan untuk menggali faktor penyebab rendahnya kualitas pekerjaan oleh pengusaha lokal dengan kualifikasi kecil, sehingga dapat disusun strategi dalam mengatasi rendahnya kualitas serah terima pekerjaan. Melalui metode kualitatif dalam bentuk literature review dan indepth interview penelitian ini menghasilkan faktor yang dianggap mempengaruhi rendahnya kualitas serah terima proyek oleh pengusaha lokal dengan kualifikasi kecil. Penelitian ini dapat dimanfaatkan oleh pemerintah daerah dalam mengembangkan strategi penyusunan indikator kinerja berbasis faktor yang dihasilkan. Abstract The special autonomy policy, which provides flexibility in the procurement process for goods and services, including direct appointments with procurement values reaching a maximum of two billion rupiah, has opened up opportunities for the involvement of local entrepreneurs with low qualifications in infrastructure projects, particularly road construction in Sorong Regency, Southwest Papua. The implementation of this policy has faced various challenges. The lack of technical and managerial knowledge among service providers with low qualifications often results in work that does not comply with the Terms of Reference (TOR), the prevalence of informal subcontracting practices, and construction quality that does not meet technical standards. Public satisfaction is also low due to the rapid deterioration of the infrastructure being built. The local government does not yet have a measurable evaluation instrument to assess the performance of projects carried out by local entrepreneurs with low qualifications. This study aims to explore the factors causing the low quality of work carried out by local entrepreneurs with low qualifications, so that strategies can be developed to address the low quality of work handovers. Through qualitative methods in the form of literature reviews and in-depth interviews, this study produces factors that are considered to influence the low quality of project handovers by local entrepreneurs with low qualifications. This research can be utilized by local governments in developing strategies for compiling performance indicators based on the resulting factors.
Evaluasi Tingkat Komponen Dalam Negeri (TKDN) pada Pekerjaan Elektrikal Proyek Konstruksi Bangunan Gedung Pemerintah: Studi Kasus delapan Proyek Dohim, Mas’ud; Herwindiati, Dyah Erny; Sari, Endah Murtiana
Kompak :Jurnal Ilmiah Komputerisasi Akuntansi Vol. 18 No. 2 (2025): Kompak : Jurnal Ilmiah Komputerisasi Akuntansi
Publisher : Universitas Sains dan Teknologi Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/kompak.v18i2.3357

Abstract

Penelitian ini bertujuan untuk mengevaluasi implementasi Tingkat Komponen Dalam Negeri (TKDN) pada pekerjaan elektrikal proyek konstruksi bangunan gedung pemerintah di Indonesia. Metode yang digunakan adalah pendekatan kuantitatif deskriptif–evaluatif melalui studi kasus pada delapan lokasi proyek pemerintah. Evaluasi dilakukan terhadap capaian TKDN pada pekerjaan MVMDP, LVMDP, pemasangan kabel, pencahayaan, genset, trafo distribusi, dan biaya transportasi berdasarkan dokumen kontrak dan ketentuan regulasi yang berlaku. Hasil penelitian menunjukkan bahwa capaian TKDN antar proyek sangat bervariasi, dengan kecenderungan nilai TKDN rendah pada komponen berteknologi tinggi dan proyek di luar Pulau Jawa. Temuan ini mengindikasikan bahwa keterbatasan material lokal dan ketimpangan distribusi industri menjadi tantangan utama dalam implementasi TKDN. Penelitian ini memberikan kontribusi empiris dalam mengevaluasi kebijakan TKDN pada pekerjaan elektrikal serta menjadi dasar rekomendasi kebijakan peningkatan TKDN yang lebih terarah.
FAKTOR YANG MEMENGARUHI KEMITRAAN KONTRAKTOR DAN PERANCANG DALAM PROYEK DESIGN AND BUILD Sutowo, Achmad; Irawan, Agustinus Purna; Murtiana Sari, Endah; Fuk Jin, Oei
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 1 (2026): Februari
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i1.413

Abstract

The government is currently encouraging readiness in government projects using the Design & Build project delivery system, as regulated in the Construction Services Law No. 7 of 2017. Design and Build (DB) from various previous literature has been proven to provide advantages compared to Design Bid Build (DBB) including speed of implementation, project risks, design changes and the absence of change orders during project implementation. This study aims to examine what factors influence the partnership of contractors and designers in design and build projects to produce good project performance including cost, quality, time, K3 and environment. The research method used in this study is a quantitative method with 50 respondents and processed through SPSS to explore respondents' perceptions, about factors that are considered to influence the partnership of contractors and designers in Design and Build (DB) projects. The respondents came from contractors and consultants who have worked on government projects with design & build project delivery. The results of this study indicate six key factors influencing contractor–designer partnerships in Design and Build projects, including relationship factors, process factors, and environmental factors, with partnership maturity acting as a moderating variable. These factors contribute to improved project performance in terms of cost, quality, time, safety, and environmental aspects. The findings provide practical insights for contractors and designers in strengthening collaboration and readiness for implementing Design and Build project delivery systems.
KAJIAN LITERATUR KOMPARATIF EFEKTIVITAS INHIBITOR HIJAU BERBASIS EKSTRAK TANAMAN DALAM PENGENDALIAN KOROSI BAJA KARBON Murtiana Sari, Endah; Rahmat, Rahmat; Nur Laksana, Rifo; Probokusumo, Probokusumo
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 1 (2026): Februari
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i1.431

Abstract

Corrosion is a metal degradation process caused by chemical or electrochemical reactions between metals and their surrounding environment. This phenomenon leads to significant technical, economic, and environmental losses in various industrial sectors. The use of synthetic corrosion inhibitors that may cause environmental hazards has encouraged the development of environmentally friendly corrosion inhibitors known as green inhibitors derived from natural materials. This study aims to analyze the effectiveness of plant-based extracts as corrosion inhibitors for steel through a comparative literature review approach. The research was conducted using a systematic literature review by analyzing 30 scientific articles published between 2015 and 2024 obtained from databases such as Scopus, ScienceDirect, and Google Scholar. The analysis focused on several parameters including types of natural materials, active compounds, adsorption mechanisms, inhibition efficiency, and optimum concentration. The results show that mangosteen peel (Garcinia mangostana), papaya peel (Carica papaya), and banana peel (Musa paradisiaca) have significant potential as green corrosion inhibitors with inhibition efficiencies reaching 93–95%, 78–83%, and 65–72% respectively. Active compounds such as tannins, flavonoids, pectin, and alkaloids contribute to the formation of a protective adsorption layer on the steel surface that reduces corrosion rate. These findings indicate that natural materials have strong potential as environmentally friendly and sustainable corrosion inhibitors for future industrial applications.
FAKTOR YANG MEMPENGARUHI HARGA SATUAN BIAYA PEMBANGUNAN INFRASTRUKTUR DI WILAYAH DENGAN AKSESABILITAS TERBATAS Yamani Yasmin; Dyah Erny Herwindiati; Endah Murtiana Sari
Jurnal Pensil : Pendidikan Teknik Sipil Vol. 14 No. 3 (2025): Jurnal Pensil : Pendidikan Teknik Sipil
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/jpensil.v14i3.59029

Abstract

Infrastructure development in Indonesia is a national strategic program that must be achieved because it concerns the people’s livelihoods. The government is currently undertaking various efforts to attain massive-scale infrastructure development throughout the national territory. Central Papua Province is a province in eastern Indonesia that requires infrastructure development to meet the needs and rights of the community to access development and improve community welfare in various fields. The unit price of building materials for infrastructure development that is effective and efficient is crucial in Central Papua, given the limited accessibility, which results in the unit price of infrastructure development being expensive. This study aims to compile factors that influence the high unit price of infrastructure development in Central Papua based on logistics costs. Through quantitative and qualitative methods (mixed methods), this study will produce factors that are considered significant in influencing the high unit cost of infrastructure development. The quantitative method will be carried out through secondary data processing from projects completed from 2020 to 2024 to map the costs considered dominant in influencing the unit price of infrastructure development. Meanwhile, the qualitative method is carried out through in-depth interviews with experts, including government, contractors, and logistics service providers, to confirm factors considered influential in the unit cost of infrastructure development in Central Papua. The results of this study will have a direct impact on the government's efforts to determine the unit cost of infrastructure development based on factors that are considered to have a significant influence.
Application of XGBoost in Road Maintenance Cost Prediction Dian Setiawan; Leksmono S. Putranto; Endah Murtiana Sari
Civil Engineering Journal Vol. 12 No. 4 (2026): April
Publisher : Salehan Institute of Higher Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/CEJ-2026-012-04-018

Abstract

Road maintenance costs play a critical role in government budgeting, as they represent a recurring expenditure required to sustain transportation infrastructure performance and traffic safety. Accurate cost prediction enables long-term efficiency by ensuring that maintenance budgets are allocated appropriately. This study aims to develop a predictive model for road maintenance cost using the Extreme Gradient Boosting (XGBoost) algorithm, optimized through iterative training to improve prediction accuracy based on deviations between predicted and actual costs. Model performance was evaluated using Root Mean Square Error (RMSE), Mean Absolute Percentage Error (MAPE), and the coefficient of determination (R²), all of which indicate a strong model fit and high predictive reliability. The model was developed using simulated and empirical data from 30 road sections with varying characteristics, incorporating key predictors such as road length, cold mix asphalt, asphalt emulsion, diesel fuel, gasoline, water consumption, working area, asphalt removal volume, and labor requirements. The results demonstrate that the proposed XGBoost-based model can effectively estimate maintenance costs and associated resource requirements. The findings provide practical insights for government agencies in planning material usage and workforce allocation for road maintenance activities.
Pengaruh Personality Traits Dan Performance Politics Terhadap Turnover Intention : Studi Kasus PT Paiho Indonesia Handayani, Sri; Rismawati, Rismawati; Sari, Endah Murtiana
Journal of Innovative and Creativity Vol. 6 No. 2 (2026)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v6i2.10579

Abstract

The high level of turnover intention has become a significant issue in human resource management as it greatly affects the sustainability of an organization. Therefore, it is necessary to understand the factors that influence employees’ intentions to leave their jobs, both from individual and organizational perspectives. This study employs a quantitative approach with a sample of 200 respondents selected using purposive sampling. Data were collected through a questionnaire using a Likert scale and analyzed using SPSS version 25, including validity, reliability, and classical assumption tests to ensure the feasibility of the model. The results show that personality traits have a positive and significant effect on turnover intention. This indicates that differences in individual characteristics influence employees’ tendencies in making decisions. In addition, performance politics also has a positive and significant effect on turnover intention, indicating that perceptions of unfairness and political practices in performance appraisal can increase employees’ intention to leave. Simultaneously, both independent variables have a significant effect on turnover intention, with a coefficient of determination of 23.4%. These findings emphasize the importance of managing employee personality traits and implementing a transparent and objective performance appraisal system to reduce turnover intention within the organization.
Analisis Kausalitas Presepsi Keadilan Dan Dukungan Sosial Terhadap Prilaku Kewarganegaraan Organisasi (OCB) Di Industri Kreatif Vendor Event Jitu Music Center Sukabumi Maulida, Nelis; sari, Endah Murtiana; Windasari, Silviana
Journal of Innovative and Creativity Vol. 6 No. 2 (2026)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Industri kreatif, khususnya sektor vendor event, menghadapi tantangan berupa ketidakpastian jadwal dan struktur kerja yang fleksibel sehingga keberhasilan organisasi sangat bergantung pada perilaku kewargaan organisasi (OCB). Penelitian ini bertujuan menganalisis pengaruh persepsi keadilan distributif dan dukungan sosial terhadap OCB pada karyawan Jitu Music Centre Sukabumi. Studi ini mengisi kekosongan studi terdahulu yang dominan berfokus pada sektor formal seperti perbankan, pendidikan, dan pemerintahan, dengan menguji hubungan kausal secara langsung dalam konteks kerja informal. Metode penelitian menggunakan pendekatan kuantitatif dengan teknik purposive sampling. Hasil penelitian menunjukkan bahwa keadilan distributif dan dukungan sosial berpengaruh signifikan terhadap OCB. Keadilan dalam pembagian tugas serta dukungan dari atasan maupun rekan kerja terbukti mendorong perilaku ekstra peran yang mendukung efektivitas organisasi. Penelitian ini memberikan kontribusi teoritis dengan memperluas kajian OCB ke sektor kreatif informal, serta kontribusi praktis bagi manajemen sumber daya manusia dalam membangun budaya kerja yang adil, suportif, dan kolaboratif untuk meningkatkan kinerja organisasi. Selain itu, penelitian ini memperkaya literatur dengan menyoroti peran OCB sebagai mekanisme adaptif dalam menghadapi ketidakpastian kerja. Implikasi hasil penelitian dapat dijadikan dasar bagi pengembangan kebijakan SDM yang lebih responsif terhadap kebutuhan sektor kreatif. Dengan demikian, studi ini tidak hanya relevan bagi akademisi, tetapi juga memberikan manfaat praktis bagi pelaku industri kreatif dalam meningkatkan daya saing organisasi.
Analisis Kausalitas Presepsi Keadilan Dan Dukungan Sosial Terhadap Perilaku Kewarganegaraan Organisasi (OCB) Di Industri Kreatif Vendor Event Jitu Music Center Sukabumi Maulida, Nelis; Sari, Endah Murtiana; Windasari, Silviana
Journal of Innovative and Creativity Vol. 6 No. 2 (2026)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The creative industry, particularly the event vendor sector, faces challenges such as schedule uncertainty and flexible work structures, making organizational success highly dependent on Organizational Citizenship Behavior (OCB). This study aims to analyze the influence of distributive justice perception and social support on OCB among employees of Jitu Music Centre Sukabumi. It addresses a gap in previous studies that predominantly focused on formal sectors such as banking, education, and government, by directly examining causal relationships within the informal work context. The research employed a quantitative approach with purposive sampling techniques. Findings indicate that distributive justice and social support significantly affect OCB. Fair task distribution and support from supervisors and colleagues were proven to encourage extra-role behaviors that enhance organizational effectiveness. This study contributes theoretically by expanding OCB research into the informal creative sector and practically by providing insights for human resource management in fostering a fair, supportive, and collaborative work culture to improve organizational performance. In addition, this study enriches the literature by highlighting OCB as an adaptive mechanism in dealing with work uncertainty. The implications of the findings can serve as a foundation for developing HR policies that are more responsive to the needs of the creative sector. Thus, this research is not only relevant for academics but also offers practical benefits for creative industry practitioners in enhancing organizational competitiveness.
Effect of Different Layers on the Performance of Laminate Epoxy Composite Reinforced with Textile Waste Thomas Junaedi; Siregar, Januar Parlaungan; Zalani, Mohamed Reza; Imran, Al Ichlas; Tezara Cionita; Endah Murtiana Sari; Deni Fajar Fitriyana; Etanto Heiliano Wijayanto
Advance Sustainable Science Engineering and Technology Vol. 8 No. 2 (2026): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v8i2.2045

Abstract

Post-consumer textile waste poses significant environmental problems, but its potential for commercial recycling remains under-researched. Therefore, this study utilizes calico textile (CT) waste as reinforcement in polymer composites. The effect of layering number of CT in epoxy composite will be investigated. CT was varied with three layers, namely 1, 3, and 5 embedded in epoxy resin with the hand lay-up method in open molding. The mechanical testing of pure epoxy as a control point for tensile, flexural, and impact strengths of 13.68 MPa, 16.44 MPa, and 0.013 J/mm². In tensile strength, the increase occurred in CT1 and CT3 by 21% and 39.7%, A significant rise of 43.5% occurred in the CT5 flexural test, and impact strength saw a significant jump from CT1 to CT3 by 58%. Overall, observations of the composite laminar tensile fracture morphology indicate that the longitudinal loading effectively increases the tensile strength. However, void bubbles were found between the textile layers, but this condition does not contribute a significant reduces the mechanical performance. Further research is recommended using the synthetic fabric waste as a reinforcement composite.
Co-Authors Agus Taufik Mulyono Agustinus Purna Irawan Agustinus Purna Irawan Al Fath, Ade Achmad Alfiya Rokhmah Alya Khansa, Khadeeja Angge Firizkiansah Dian Setiawan Dohim, Mas’ud Dyah Erny Herwindiati Dyah Erny Herwindiati Etanto Heiliano Wijayanto Fitriyana, Deni Fajar Fuk Jin, Oei Handayani, Sri Henny Pratiwi Adi Herwindiaty, Dyah Erny Imran, Al Ichlas Junaedi, Thomas Khadijah, Raisa Leksmono S. Putranto Leksmono Suryo Putranto Maulida, Nelis Mohamad, Dadang Muhamad Dzaky Ashidqi Muhammad Ikhsanudin Najid Najid, Najid Najla Manggala, Kalyca Naylendra Ken Andary, Daiva Nur Laksana, Rifo Oie Fuk jin Prayudi Prayudi Probokusumo Probokusumo Probokusumo, Probokusumo Purwanto Purwanto Purwanto Purwanto S.K Rahmat Rahmat Rahmat Rismawati Rismawati Rismawati Rismawati S.K, Purwanto Setiawan, Dian Silviana Windasari Silviana Windasari Siregar, Januar Parlaungan Slamet Imam Wahyudi Sutikno Sutikno Sutikno Sutikno Sutowo, Achmad Tezara Cionita Tezara Cionita Thohirin, Antho Thomas Junaedi Wibowo, Mochamad Agung Wibowo, Mohamad Agung Yamani Yasmin Zalani, Mohamed Reza