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All Journal Jurnal Pendidikan Fisika Journal of Civil Engineering Fondasi: Jurnal Teknik Sipil Jurnal Rekayasa Sipil IJTI (International Journal Of Transportation And Infrastructure) IJIEEB : International Journal of Integrated Education, Engineering and Business Proceeding of World Conference Jurnal Ilmu Teknik dan Komputer Quantitative Economics and Management Studies Prosiding Seminar Nasional Teknik Sipil UMS Jurnal Bisnis Kehutanan dan Lingkungan Journal of Infrastructure Policy and Management (JIPM) JCSE: Journal of Community Service and Empowerment
Ali Sunandar
Universitas Mercu Buana
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Social Sciences Transportation Other

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Analysis of Transjakarta Bus Rapid Transit Infrastructure Services on Customer Satisfaction Performance with Large-Scale Social Restrictions in DKI Jakarta Sunandar Ali; Anjas Handayani; Mohammad Sobirin; Mohammad Erzal Audifikria
IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 Vol 5 No 01 (2021): September 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijti.v5i01.1506

Abstract

Quality service is a form of service that are provided by service providers in order to meet the needs of its customers. However, the Covid-19 pandemics has affected the quality of services, including the service of BRT Trans Jakarta. This can have a serious impact if not handled properly and can reduced customer satisfaction with these services. The purpose of this study is to determine the dominant factors that influence the infrastructure services of the Trans Jakarta BRT, to determine the quality of service on customer satisfaction performance during the large-scale social restrictions in DKI Jakarta. The purpose of this study is to find out the dominant factors that influence the infrastructure services of the BRT Trans Jakarta and to determine the quality of service on customer satisfaction performance during the large-scale social restrictions in DKI Jakarta. The concept studies used in this research are service, infrastructure, service quality, and customer satisfaction. This study used quantitative approach along with CSI (Customer Satisfaction Index) method and analysis of the level of conformity of IPA (Importance - Performance Analysis), the sampling system used were incidental sampling with the BRT Trans Jakarta user analysis unit during the large-scale social restrictions in DKI Jakarta. The results showed that the customer satisfaction index for BRT Trans Jakarta infrastructure services during the PSBB was 75.54% for the CSI value and IPA value of 98.54%, and the customer satisfaction criteria were in the Satisfied category.
ANALISIS PENGARUH PERAN STAKEHOLDERS PADA PROYEK KAWASAN HUNIAN BERBASIS PENDEKATAN RISIKO Retna Kristiana; Ali Sunandar; Sediyanto Sediyanto
Jurnal Ilmu Teknik dan Komputer Vol 6, No 1 (2022)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jitkom.v6i1.001

Abstract

Proyek konstruksi merupakan suatu rangkaian kegiatan yang dibatasi oleh sumber daya dan waktu untuk mencapai hasil konstruksi dengan standar kualitas baik. Pada setiap tahapan proyek tidak terlepas dari berbagai risiko dan ketidak pastian yang mempengaruhi baik dari segi kualitas maupun kuantitas. Proyek konstruksi tidak selalu berjalan mulus dan seringkali menghadapi masalah yang terkait dengan pengaruh stakeholders. Pada proyek Grand Batavia memiliki banyak stakeholder yang terlibat baik internal maupun eksternal dan bahwa dalam proyek tersebut mengalami penundaan penyelesaian proyek. Peneliti mengambil parameter dalam kinerja waktu dengan dianalisisnya risiko pada stakeholder dalam suatu proyek sehingga waktu proyek dapat tercapai dengan baik. Penelitian ini bertujuan untuk mengetahui faktor risiko dan langkah atau tindakan yang tepat risiko pada stakeholder berbasis PMBOK 2013 untuk meningkatkan kinerja waktu proyek pada proyek selanjutnya. Kata Kunci--- Analisis risiko, stakeholder, kinerja waktu, Proyek Grand Batavia, PMBOK 2013
Analisis Pengendalian Pengadaan Material Bangunan dengan Metode MRP (Material Requirement Planning) pada Proyek Gedung Fertilia, Novika Candra; Sunandar, Ali
Rekayasa Sipil Vol 13, No 1 (2024)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jrs.2024.v13.i1.02

Abstract

Pada penelitian sebelumnya yang berjudul Analisis Risiko Penyebab Keterlambatan Proyek Pengembangan Pembangunan Gedung Margono Suradji Yogyakarta Berbasis PMBOK, didapatkan bahwa salah satu risiko tinggi yang berpengaruh pada kinerja waktu proyek adalah jadwal pengiriman material ke site. Agar perencanaan dan penggunaan material menjadi efektif dan efisien, diperlukan perencanaan kebutuhan material yang tepat. Tujuan dari penelitian ini adalah untuk mendapatkan gambaran perencanaan pengadaan material yang lebih terukur terhadap kuantitas dan jadwal penggunaan material dengan mengaplikasikan model pengadaan metode MRP. Dengan adanya metode MRP diharapkan ketersediaan stok material dapat terjaga secara berkesinambungan. Berdasarkan analisis yang dilakukan, dengan teknik lot-sizing lot for lot model POQ ditemukan pengelola proyek dapat meramalkan jumlah material yang harus dipesan dan juga stock yang harus terjaga dalam setiap pekan sesuai dengan jadwal pelaksanaan proyek. Hasil analisis menunjukkan bahwa material bekisting (multiplex 6 mm, 120x240), proses pengadaannya dapat lebih terukur, yaitu pemesanan dilakukan selama 6 kali, dengan jumlah yang berbeda-beda yang disesuaikan dengan kebutuhan pada pekan tersebu. Material besi Dia. 10 mm juga perlu dipesan sebanyak 6 kali dalam 1 periode, sedangkan material besi dia. 19 mm, besi dia. 22 mm, dan wiremesh M-10 hanya cukup 1 kali pemesanan dalam 1 periode pelaksanaan pekerjaan
Pembelajaran Generasi Muda Sebagai Pelopor Keselamatan Dalam Mitigasi Gempa dan Audit Struktur Bangunan Pasca Gempa Kristiana, Retna; Novika Candra Fertilia; Sediyanto; Agus Suroso; Ali Sunandar; Resi Aseanto
JCSE: Journal of Community Service and Empowerment Vol. 5 No. 2 (2024): JCSE Oktober 2024
Publisher : LP3M Universitas Putra Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32639/cy28h108

Abstract

Indonesia faces a significant earthquake risk due to tectonic plate movement and volcanic activity. Most of these risks are borne by the housing sector which is highly vulnerable to damage from earthquakes. Although there have been standards and guidelines for earthquake-resistant homes, damage still often occurs due to a lack of public awareness and ability to implement proposed solutions. This caused a huge financial burden for the government in repairing and rebuilding houses. Education and knowledge about construction also play a role in the level of vulnerability of buildings to earthquakes. To address these issues, increasing youth awareness and understanding of earthquake mitigation and post-earthquake structure audits is essential. Through integrated training and educational programs, youth can become agents of change who play a role in spreading awareness of the importance of structural integrity checks for post-earthquake safety in their neighborhoods.
Exploring Risk Aspects in Public-Private Partnership Infrastructure Research: A Bibliometric Analysis Sunandar, Ali; Abd Karim, Saipol Bari; Zolkafli, Umi Kalsum
Journal of Infrastructure Policy and Management (JIPM) Vol. 7 No. 1 (2024): Journal of Infrastructure Policy and Management (JIPM)
Publisher : PT Penjaminan Infrastruktur Indonesia (Persero)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35166/jipm.v7i1.45

Abstract

The risk aspect is a key component of the Public-Private Partnership (PPP) infrastructure scheme. The study employed bibliometric analysis to shed light on research trends concerning risk aspects in PPP. The author focused on publication trends, co-authorship networks, local citation patterns, cluster analysis, and co-occurrence of key terms. In addition, the authors compiled a list of studies on the risk aspects of PPP infrastructure. Using bibliometric data from 356 Scopus-indexed publications, this study identifies the leading authors, nations, institutions, publishers, influential papers, and research topics related PPP infrastructure risk over the past decade (2014-2023). The findings reveal that from 2014 to 2017, research predominantly focused on risk factors, success criteria, development projects, contracts, toll roads, water supply, and social infrastructure. Between 2018 and 2020, the emphasis shifted towards risk assessment, risk analysis, risk management, and risk allocation. Since 2021, the research trends have evolved to include urban growth, investment, the private sector, partnership models, internet protocols, and intelligent systems. Future research on PPP infrastructure risk should incorporate technological concepts and business entity perspectives. This study also contextualizes its findings within the broader landscape of emerging markets in Asia and globally and highlights these trends in the Indonesian context.
Exploring Delphi Method Utilization Research Trends on Public-Private Partnership Infrastructure Studies Sunandar, Ali; Abd Karim, Saipol Bari; Zolkafli @Zulkifly, Umi Kalsum
Journal of Infrastructure Policy and Management (JIPM) Vol. 8 No. 1 (2025): Journal of Infrastructure Policy and Management (JIPM)
Publisher : PT Penjaminan Infrastruktur Indonesia (Persero)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35166/jipm.v8i1.92

Abstract

This study seeks to explore the application of the Delphi method in Public-Private Partnership (PPP) infrastructure research over a ten-year span (2015-2024), with a focus on various characteristics such as the application of the Delphi method across different PPP infrastructure sectors, expert criteria for Delphi panels, the diverse use of consensus, and the execution of Delphi rounds. Employing a Systematic Literature Review (SLR) guided by the PRISMA framework, the study utilizes thematic categories alongside co-occurrence and co-authorship analyses to identify trends in the application of the Delphi method in PPP infrastructure studies. The review concentrates on literature indexed in two leading academic databases: Web of Science (WoS) and Scopus. The findings indicate that the use of the Delphi method has grown significantly in the past ten years within infrastructure PPP schemes, particularly in emerging countries driven by the increasing demand for infrastructure development. Research trends have highlighted a variety of characteristics of the Delphi method, including criteria for selecting experts, the number of expert participants, the number of Delphi rounds, and different approaches for achieving consensus or agreement. These findings offer valuable insights to inform and enhance the methodological rigor of future research utilizing the Delphi method in the context of PPP infrastructure.
Optimalisasi Integrasi Transit Point Infrastruktur Terminal melalui Aplikasi Rekayasa Nilai Kristiana, Retna; Sediyanto, S; Sunandar, Ali
Prosiding Seminar Nasional Teknik Sipil UMS 2023: Prosiding Seminar Nasional Teknik Sipil UMS
Publisher : Universitas Muhammadiyah Surakarta

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

Abstract

Transportasi di era sekarang berperan sangat penting untuk masyarakat karena sudah menjadi kebutuhan dasar dan digunakan sehari-hari untuk berkegiatan. Pemerintah Provinsi DKI Jakarta sedang menggalakkan pembangunan transportasi umum yang bertujuan untuk mengurangi kemacetan kotanya. Tidak hanya dari segi sarana transportasi itu sendiri, salah satunya prasarana terminal bus juga dapat dimaksimalkan fungsinya untuk menunjang tingkat pelayanan transportasi. Untuk itu diperlukan fungsifungsi tambahan pada infrastruktur terminal bus agar dapat meningkatkan pelayanan warga Jakarta. Penelitian ini menggunakan tinjauan studi literatur, benchmarking fungsi secara worldwide, dan analisis rekayasa nilai. Dari fase kreativitas rekayasa nilai didapatkan hasil fungsi tambahan yang relevan yaitu fungsi ruang publik, fungsi ruang penyimpanan, fungsi telekomunikasi , fungsi efisiensi ruang, fungsi komersil, dan fungsi kebutuhan pelanggan.
Integration of Ethnoscience in STEAM-Based Physics Learning to Enhance High School Students’ Scientific Literacy and 21st-Century Skills Fauziah, Rosynanda Nur; Ali Sunandar; Andri Suryana; Hasbullah
Jurnal Pendidikan Fisika Vol. 14 No. 2 (2025)
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jpf.v14i2.70292

Abstract

Physics learning at the senior high school (SMA) level still largely focuses on cognitive aspects and formula memorization, making it difficult for students to connect scientific concepts with real-life situations and local cultural contexts. This study aims to describe the forms of ethnoscience integration in STEAM-based (Science, Technology, Engineering, Art, and Mathematics) Physics learning and to analyze its contribution to enhancing students’ scientific literacy and developing their 21st-century skills. This research employed a qualitative approach with a descriptive–exploratory design and was conducted at a public senior high school (SMA Negeri) in Subang Regency, West Java. Data were collected through participatory observation, in-depth interviews, and documentation, then analyzed thematically using the Miles and Huberman (2014) model with source and method triangulation. The findings revealed that ethnoscience integration was implemented through the use of local cultural phenomena—such as pottery making, traditional waterwheels, and simple irrigation systems—as contexts for STEAM-based project learning in Physics. The integration effectively facilitated the development of students’ scientific literacy, strengthened higher-order thinking skills, and fostered collaborative and communicative attitudes. In conclusion, STEAM-based Physics learning integrated with ethnoscience serves as an effective pedagogical innovation that bridges science and culture, enhances scientific literacy, and nurtures students’ character to become culturally grounded individuals who are well-prepared to face the challenges of the 21st century.
Examining the Application of the Semi-Structured Interview Method in Public-Private Partnership (PPP) Infrastructure Studies Sunandar, Ali; Andriyanti, Fitri; A. Karim, Saipol B.; Zulkifli, Umi K. Z
Journal of Civil Engineering Vol. 41 No. 1 (2026)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25799029.v41i1.9498

Abstract

Public-Private Partnership (PPP) schemes are increasingly adopted to address infrastructure financing constraints and to support sustainable development objectives. In PPP infrastructure research, semi-structured interviews are widely used to capture in-depth perspectives from key stakeholders. Despite their extensive application, systematic understanding of how these interviews are designed, implemented, and reported remains limited. This study examines the application of semi-structured interview methods in PPP infrastructure research through a systematic literature review of studies indexed in the Scopus and Web of Science databases. The review evaluates research approaches, interview mediums, data collection and analysis techniques, software utilization, interview duration, participant selection criteria, sampling strategies, data saturation, and practices related to rigor and trustworthiness. The findings indicate that semi-structured interviews are predominantly employed within qualitative research designs and are frequently combined with thematic analysis and qualitative data analysis software. Face-to-face interviews and purposive sampling of experienced PPP stakeholders emerge as the most common practices. However, the review also identifies notable inconsistencies in the definition and reporting of data saturation and qualitative rigor across studies. This study contributes to methodological advancement by providing a structured overview of current practices and highlighting areas where clearer and more consistent reporting is required. The findings offer practical guidance for researchers and practitioners seeking to strengthen methodological rigor and transparency in PPP infrastructure research.
ANALISIS PENGARUH FAKTOR PERENCANAAN DAN FAKTOR PELAKSANAAN TERHADAP KETERLAMBATAN PROYEK JALAN TOL PROBOLINGGO – BANYUWANGI PAKET 2 Joshua, Joshua; Sunandar, Ali
Rekayasa Sipil Vol 14, No 2 (2025)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jrs.2025.v14.i2.11

Abstract

Proyek konstruksi merupakan serangkaian aktivitas yang saling berkaitan dengan tujuan mencapai target spesifik, seperti pembangunan gedung atau struktur lainnya, dengan mempertimbangkan batasan waktu, biaya, dan standar kualitas yang telah ditetapkan. Setiap tahap dalam proyek konstruksi memerlukan perencanaan yang cermat dan terstruktur dengan baik. Ini mencakup pengelolaan waktu, yang melibatkan penyusunan jadwal untuk perencanaan dan pelaksanaan dalam kerangka waktu yang telah diatur. Jalan Tol Probolinggo - Banyuwangi adalah bagian dari jaringan Jalan Tol Trans Jawa yang saat ini sedang dalam tahap konstruksi. Jalan tol ini, yang merupakan bagian akhir dari Jalan Tol Trans Jawa, akan dibangun dalam dua tahap. Berdasarkan laporan kemajuan pada minggu ke-55 untuk Proyek Jalan Tol Probolinggo – Banyuwangi Paket 2, terdapat keterlambatan dalam pelaksanaan. Realisasi kemajuan pekerjaan hanya mencapai 34,77%, sementara kemajuan yang direncanakan seharusnya 52,05%. Uji instrumen dilakukan dengan menggunakan perangkat lunak SPSS. Validasi pakar digunakan untuk memperoleh tanggapan dari para ahli terkait variabel yang ditemukan peneliti melalui studi literatur. Kuesioner disebarkan kepada 30 staf kontraktor utama yang terlibat dalam pembangunan Proyek Jalan Tol Probolinggo – Banyuwangi Paket 2. Faktor perencanaan dan pelaksanaan diketahui secara parsial memengaruhi keterlambatan Proyek Jalan Tol Probolinggo – Banyuwangi Paket 2. Koefisien untuk perencanaan dan penyusunan jadwal yang tidak efektif adalah 4,948, sementara untuk keterlambatan bahan dan material adalah 4,767. Faktor perencanaan dan penyusunan jadwal yang tidak efektif mendapatkan skor total 112 dengan rata-rata 3,73, sedangkan faktor keterlambatan bahan dan material mendapatkan skor total 106 dengan rata-rata 3,53.
Co-Authors A. Karim, Saipol B. Abd Karim, Saipol Bari Agus Suroso Ainundyasari, Aprillia Alfian, Muhammad Agfi Andri Suryana Andriyanti, Fitri Anjas Handayani Aszhari, Kuncoro Bili Fauziah, Rosynanda Nur Hasbullah Jonathan Harris Sianipar JOSHUA, JOSHUA Karim, Saipol Bari Abd Kristiana, Retna Kuncoro Bili Aszhari Mohammad Erzal Audifikria Mohammad Sobirin Mohammad Sobirin Mukhlisoh Mukhlisoh Novika Candra F Novika Candra Fertilia Resi Aseanto Retna Kristiana Rina Fatimah Agustin Rully Priyatna Sediyanto Sumiyati Sumiyati Tia, Rahma Waldhani Zolkafli @Zulkifly, Umi Kalsum Zolkafli, Umi Kalsum Zulkifli, Umi K. Z