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All Journal Jurnal Ilmiah Rekayasa Sipil Construction and Material Journal Jurnal Pendidikan Teknik Sipil (JPTS)
Sidiq Wacono
Politeknik Negeri Jakarta
Civil Engineering, Building, Construction & Architecture Education Languange, Linguistic, Communication & Media Social Sciences

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Analisis Penerapan Sistem Manajemen Mutu ISO 9001:2015 Terhadap Kinerja Biaya Mutu Pada Proyek UIN Sulthan Thaha Saifudin Jambi Segi Putra Wicaksono; Sidiq Wacono
Jurnal Ilmiah Rekayasa Sipil Vol 18 No 2 (2021): Oktober 2021
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v18i2.620

Abstract

Perkembangan konstruksi di Indonesia saat ini sangat pesat. Menyebabkan terjadinya persaingan antar perusahaan konstruksi untuk menghasilkan produk dengan mutu sesuai syarat yang direncanakan dan mengurangi kegagalan. Dalam menjamin suatu mutu, mucul suatu biaya yang disebut biaya mutu. Perencanaan biaya mutu pada lokasi penelitian cukup besar, oleh karena itu diperlukan pengurangan dari biaya mutu. Untuk menjamin mutu dan mengurangi biaya mutu diperlukan sistem manajemen mutu dalam pelaksanaan konstruksi. Sistem manajemen mutu ISO 9001:2015 adalah standar internasional yang telah diakui secara internasional. Tetapi dalam penerapan di lapangan masih belum sesuai dan terdapat banyak faktor hambatan. Oleh karena itu, dilakukan penelitian kuantitatif untuk mengetahui pengaruh penerapan ISO 9001:2015 terhadap kinerja biaya mutu. Pengambilan data yang dilakukan untuk menganalisis besar penerapan, hambatan serta pengaruhnya. Dalam pengolahan data menggunakan program SPSS dan Excel. Teknik analisis data meliputi pengujian validitas, pengujian reliabilitas, pengujian regresi berganda dan pengujian hipotesis. Untuk mengumpulkan data digunakan metode kuesioner, studi dokumen dan juga wawancara serta observasi langsung. Dari analisis menunjukkan bahwa besar dari penerapan ISO 9001:2015 sebesar 83,96% dinilai sangat baik. Faktor yang menjadi hambatan terbesar adalah kurangnya pengawasan terhadap program kerja yang berlaku dan kurangnya kontrol aktif terhadap kepuasan pelanggan. Penerapan informasi terdokumentasi juga sudah baik dilaksanakan. Kinerja biaya mutu sudah tinggi yaitu sebesar 0,3%, serta terjadi penurunan dari biaya rencana. Variabel sistem manajemen mutu mempunyai pengaruh secara parsial maupun simultan terhadap kinerja biaya mutu. Klausul 7 dan Klausul 10 mempunyai pengaruh yang signifikan.
PENERAPAN SISTEM MANAJEMEN MUTU ISO 9001 PADA KONTRAKTOR PT. X Arief Darmawan; Sidiq Wacono; Jonathan Saputra
Construction and Material Journal Vol. 2 No. 3 (2020): Construction and Material Journal Vol. 2 No. 3 November 2020
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v2i3.3541

Abstract

Infrastructures development in Indonesia is experiencing a high increase. However, many construction failures were due to construction that was not following the predetermined quality. Data obtained from the Investigation of the PNK Technical Team in 2013 contained 5 cases of construction project failure handled by the authorities with a total loss of more than 5 billion to the state. The reality shows that many construction service businesses have names but do not have the supporting facilities. Therefore, data collection aims to analyze the application of the ISO 9001: 2015 application quality management system and its application constraints. Processing data use descriptive statistical analysis and using SPSS version 25 software. The data testing techniques used include validity, reliability, and descriptive hypothesis. The data was collected using a questionnaire method for construction employees in the Design Project for the Tanjung Barat Station Flats. This analysis indicates that the application of the ISO 9001: 2015 quality management system by taking into account all the points from clause 4 to clause 10 is 85.19% and is in the excellent category (80-100%). Factors that become obstacles in implementing ISO 9001: 2015 are due to the lack of socialization regarding the application of ISO 9001, documented information, and communication between project teams. Keywords : ISO 9001, ISO 9001:2015, Quality Management System.
Evaluation of Civil Engineering Students’ Academic Performance Using Fuzzy C-Means Clustering Jonathan Saputra; Ega Edistria; Sidiq Wacono; Tri Wulan Sari; Faqih Al Adyan
Jurnal Pendidikan Teknik Sipil Vol. 7 No. 2 (2025): November
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpts.v7i2.89018

Abstract

Background: Students’ academic performance is a crucial indicator of their mastery of core competencies obtained throughout the learning process in higher education. These competencies become an essential benchmark, not only for academic evaluation, but also for the industry that expects graduates to meet professional standards. Therefore, an objective and data-driven evaluation method is needed to identify students’ academic performance and support academic decision-making. Methods: This study employs the Fuzzy C-Means (FCM) clustering method as an educational data mining technique to classify civil engineering students based on their academic results. Three key competency areas are used in this study, i.e., Structure and Material (SM), Geometry and Transportation (GT), and Construction Management (CM). A total of 221 students were analysed, exceeding the minimum sample size. The clustering process was performed using multiple cluster models (three, four, and five clusters), and the silhouette coefficient was used to evaluate the quality and accuracy of the clusters. Results: The findings reveal that the three-cluster model provides the most representative structure, showing the highest silhouette coefficient value compared with others. This indicates that three clusters offer the most appropriate grouping for evaluating academic performance. Cluster 1 represents students with excellent academic achievement, cluster 2 consists of students with good performance, and cluster 3 represents students with concerning academic performance requiring additional academic support. Conclusion: Overall, the study concludes that the three-cluster model, consisting of an excellent, good, and concerning performance group, offers the most accurate and representative evaluation of civil engineering students’ academic performance. These results provide valuable insights to design targeted interventions, enhance learning support, and optimize curriculum alignment to ensure that students achieve the competencies required before entering the professional field.
Co-Authors Arief Darmawan Ega Edistria Faqih Al Adyan Saputra, Jonathan Segi Putra Wicaksono Tri Wulan Sari