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All Journal Journal of Geoscience, Engineering, Environment, and Technology Construction and Material Journal Media Komunikasi Dunia Ilmu Sipil (MoDuluS) Jurnal Pendidikan Teknik Sipil (JPTS) JURNAL POLI-TEKNOLOGI
Sidiq Wacono
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation

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PENERAPAN SISTEM MANAJEMEN MUTU ISO 9001 PADA KONTRAKTOR PT. X Darmawan, Arief; Wacono, Sidiq; Saputra, Jonathan
Construction and Material Journal Vol 2, No 3 (2020): CONSTRUCTION AND MATERIAL JOURNAL VOL. 2 NO. 3 NOVEMBER 2020
Publisher : Politeknik Negeri Jakarta

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Abstract

ABSTRACTInfrastructures 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.ABSTRAKPerkembangan infrastruktur di Indonesia sedang mengalami peningkatan yang tinggi. Tetapi, banyak ditemui kegagalan konstruksi yang disebabkan oleh pelaksanaan konstruksi yang tidak sesuai dengan kualitas yang sudah ditetapkan. Data yang diperoleh dari Investigasi Tim Teknis PNK pada tahun 2013 menunjukkan 5 kasus kegagalan proyek konstruksi yang ditangani pihak berwajib dengan nilai kerugian negara mencapai lebih dari 5 milyar. Kenyataan menunjukkan banyak usaha jasa konstruksi yang memiliki nama tetapi tidak memiliki fasilitas yang mendukung. Oleh karena itu, dilakukan pengambilan data yang bertujuan untuk menganalisis penerapan sistem manajemen mutu ISO 9001:2015 dan faktor kendala dalam penerapannya. Pengolahan data menggunakan uji hipotesis deskriptif dan menggunakan bantuan software SPSS versi 25. Teknik pengujian data yang digunakan meliputi uji validitas, uji reliabilitas dan hipotesis deskriptif. Pengumpulan data dilakukan menggunakan metode kuesioner terhadap karyawan konstruksi yang terlibat dalam Proyek Rancang Bangun Rumah Susun Stasiun Tanjung Barat. Hasil analisis ini menunjukkan bahwa penerapan sistem manajemen mutu ISO 9001:2015 dengan memperhatikan seluruh butir dari klausul 4 sampai klausul 10 adalah sebesar 85,19% dan masuk kategori sangat baik (80-100%). Faktor yang menjadi kendala dalam penerapan ISO 9001:2015 adalah akibat kurangnya sosialisasi mengenai penerapan ISO 9001, informasi terdokumentasi, dan komunikasi antar tim proyek.Kata kunci : ISO 9001; ISO 9001:2015; Sistem Manajemen Mutu.
PENGENDALIAN MUTU STRUKTUR PADA PROYEK RUMAH SUSUN STASIUN PONDOK CINA Manurung, Betty Rosyana; Wacono, Sidiq
Construction and Material Journal Vol 2, No 3 (2020): CONSTRUCTION AND MATERIAL JOURNAL VOL. 2 NO. 3 NOVEMBER 2020
Publisher : Politeknik Negeri Jakarta

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ABSTRACTEach project can run well and achieve results as planned is expected undoubtedly. Therefore, it requires project quality control. The quality control system in construction projects is essential must be carried out to produce one-time work of a quality that meetsthe specified standards. This study aimsto determine the quality control system for superstructure work and to determine whether the quality of reinforced concrete is according to the requirements. The data used is secondary data, namely, data directly obtained from the project. The data used are tthe concrete compressed test result and reinforcing steel tests held in the laboratory and reinforced concrete data. The analysis results showed that the compress strength of concrete for FC 30 and FC 40 with a test age of 28 days was by the specified requirements, the reinforcement tests S10, S13, S16, S19, S22, S25 meet requirements. For the final result, reinforced concrete found a few defects, but the contractor immediately took corrective action. The analysis shows the implementation of an appropriate quality control process in this project.Keywords : Quality; control; concrete; reinforcement; constructionABSTRAKSetiap proyek tentu diharapkan bisa berjalan dengan baik dan mencapai hasilsesuai perencanaan. Maka dari itu, dibutuhkan pengendalian mutu proyek. Sistem pengendalian mutu pada proyek konstruksi penting dilakukan untuk menghasilkan pekerjaan yang sekali jadi dengan mutu yang memenuhi standar yang ditentukan. Penelitian ini bertujuan untuk mengetahui sistem pengendalian mutu pekerjaan struktur atas dan mengetahui apakah hasil mutu beton bertulang sesuai dengan yang disyaratkan. Data yang dipergunakan adalah data sekunder yaitu data yang langsung didapat dari proyek. Adapun data yang digunakan adalah hasil uji tes tekan beton dan tes baja tulangan yang diadakan di laboratorium serta data hasil akhir beton bertulang. Hasil dari penelitian didapatkan hasil kuat tekan beton untuk FC 30 dan FC 40 dengan umur tes 28 hari sudah sesuai dengan persyaratan yang ditetapkan, hasil tes uji tulangan S10, S13, S16, S19, S22, S25 sudah sesuai dengan persyaratan. Untuk hasil akhir beton bertulang ditemukan sedikit cacat namun pihak kontraktor segera melakukan tindakan perbaikan. Dari hasil analisis menunjukan bahwa proses pengendalian mutu pada proyek ini sudah dilaksanakan dengan baik.Kata kunci : Mutu; pengendalian; beton; tulangan; konstruksi
CONSTRUCTION MANAGEMENT SCORECARD MEASUREMENT MODEL FOR ASSESSMENT OF PERFORMANCE CONSTRUCTION MANAGEMENT PROJECT Afrizal Nursin; Sidiq Wacono; Immanuel Pratomojati
Jurnal Poli-Teknologi Vol. 10 No. 1 (2011)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (728.622 KB) | DOI: 10.32722/pt.v10i1.429

Abstract

Abstrak Sasaran akhir dari sebuah proyek konstruksi adalah jika proyek tersebut dapat memenuhi lingkup, waktu, mutu, dan biaya. Untuk mengukur keberhasilan seluruh indikator tersebut selama ini yang ada masih bersifat kualitatif dan belum ada satu alat ukur pun atau model pengukuran yang dapat digunakan untuk melihat tingkat keberhasilan dari proyek tersebut. Penilaian keberhasilan proyek tidak hanya bermaksud untuk menyatakan bahwa proyek tersebut sukses, tetapi melalui model evaluasi yang baik dan terstruktur, maka akan didapat nantinya sutu kondisi capaian (target performance) setiap proyek, sehingga proyek dapat dinilai tingkat keberhasilannya dan kelemahan-kelemahan yang ditemukan darihasil penilian tersebut. Untuk itu diperlukan suatu model penilaian yang perlu dikembangkan, sampai saat ini Manajemen proyek sudah mengembangkan model penilaian yang diberi nama The Project Management Scorecard. Dan model ini sudah diterapkan dibeberapa perusahaan di Indonesia, seperti pada PT. Wijaya Karya, tetapi yang belum ada adalah model penilaian keberhasilan proyek pada tingkat manajemen konstruksi (pelaksanan proyek di site) Dengan demikian kami mencoba untuk mengembangkan alat ukur yang akan digunakan untuk menilai keberhasilan proyek melalui Construction Management Scoredcard , dimana model yang ada pada The Management Scoredcard dijadikan Benchmarking Melalui proses penelitian yang cukup pnjang yang direncanakan dua tahun, maka pada tahun pertama sudah dilaksanakan tahapan uji coba terhadap parameter dan indikator keberhasilan yang dilihat dari perspektif keuangan, pelanggan, proses bisnis, dan pembelajaran. Dari instruyen yang disebarkan dan jawab responden, maka terdapat krelasi yang positif antara prestasi proyek dengan persepsi responden terhadap perspektif tersebut. Sehingga parameter dan indikator yang disampaikan dapat dijadikan instruyen untuk menilai kinerja proyek. Penelitian ini pada tahap kedua ini dilanjutkan dengan pembuatan software yang dapat menjadi alat bantu bagi pelaksanan Management konstruksi di lapangan untuk melaksanakan fungsi-fungsi dari tugas Management konstruksi. Sehingga diharapkan pada tahun ke dua hasil penelitian ini dapat diselesaikan dengan dibuatnya software yang sesuai dengan kebutuhan proyek. Ke depan software ini perlu dikembangkan sehingga dapat digunakan secara online oleh berbagai pihak yang terlibat dalam proyek, sehingga nantinya program ini dapat digunakan secara luas pada proyek konstruksi. Kata Kunci: Construction, Management, Scorecard, Success
Perbandingan Biaya dan Waktu Pekerjaan Pondasi Bore Pile dan Spun Pile Dabukke, Oktavia; Wacono, Sidiq
Media Komunikasi Dunia Ilmu Sipil (MoDuluS) Vol 6 No 1 (2024)
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/modulus.v6i1.4547

Abstract

Decision-making on the work methods used in a construction project is very important. As is the case in selecting the foundation work method to be used because the foundation has a very important role in carrying out substructure work. Choosing the right foundation work implementation method will expedite the work process so it is necessary to know how much cost and time is needed to carry out each foundation work. The purpose of this study is to find out how much the comparison of costs and time is required in carrying out bore pile and spun pile foundation work. The data needed to calculate costs and time for the two foundation work methods include the volume of work, the multiplier coefficient which refers to the Decree of the Minister of PUPR No. 1 of 2022, data on workforce, equipment, as well as the duration and method of carrying out the required work. Based on the researcher's analysis conducted by comparing the implementation of the two foundation work methods, namely using the bore pile and spun pile, the total cost of implementing the bore pile foundation work is Rp. 13,405,153,637 with an execution time of 189 days. Meanwhile, if you use a spun pile foundation, the cost is Rp. 11,590,475,275 with an execution time of 173 days. So that the two methods of carrying out the foundation work have a cost difference of Rp. 1,814,678,362 and a difference of 16 days.
Investigation of Aquifer Model to Potential of Ground Movement at Brau Village, Kota Wisata Batu, Jawa Timur, indonesia Maha Agung, Putera Agung; Gautama, Gregorius Aryoko; Istiatun; Amir, Mardiana; Adinegara, Aldo Wirastana; Eko Wiyono; Wacono, Sidiq
Journal of Geoscience, Engineering, Environment, and Technology Vol. 10 No. 3 (2025): JGEET Vol 10 No 03 : September (2025)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2025.10.3.16836

Abstract

Soft soils at Brau Village area, Kota Wisata Batu (KWB) usually form in alluvial highlands due to weathering of sedimentary rocks. An upper and lower aquifer of sandy layer exist between soft soil. Groundwater pools into aquifer layers and infiltration from surface water into the soft soil layers (clayey and/ or silty) generated a ground movement potential. Study will elaborate the behavior of layers of clayey and/ or silty separated by 2 (two) aquifer layers in detail causing some damages to infrastructure. Wall and/ or floor cracks at school buildings and collapse and/ or differential settlement in road pavement  are a failure of soil layers due to high pore water pressure coming from direction of aquifer zone especially during rainy season. Pore water pressures were determined by rate of settlement prediction from consolidation laboratory analyzed by Ying et al (2015) and actual measurement using electromagnetic data. Research results found that gradually increment of pore water pressure would exceed a total stress in reducing an effective stress drastically and created a location of initial ground movement at the toe of slope around infrastructure area. High pore water pressure due to the increment of water volume at aquifer layer can push down soil layers with safety factor (SF) < 1.0. At the same time, ground movement would generate cracks > 10 cm width at wall and floor of school building structure; and collapse or differential settlement occurred in road construction > 18 cm depth due to bonding agent separated between soil particles.
Evaluation of Civil Engineering Students’ Academic Performance Using Fuzzy C-Means Clustering Saputra, Jonathan; Edistria, Ega; Wacono, Sidiq; Sari, Tri Wulan; Adyan, Faqih Al
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 Adinegara, Aldo Wirastana Adyan, Faqih Al Afrizal Nursin Arief Darmawan Dabukke, Oktavia Edistria, Ega Eko Wiyono Gautama, Gregorius Aryoko Immanuel Pratomojati Istiatun Manurung, Betty Rosyana mardiana amir, mardiana Putera Agung Maha Agung Saputra, Jonathan Tri Wulan Sari, Tri Wulan