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All Journal Jurnal Keperawatan Al-Ulum Brawijaya Law Journal : Journal of Legal Studies Folia Medica Indonesiana Jurnal Farmasi Klinik Indonesia Indonesian Journal of Tropical and Infectious Disease Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Pondasi Briliant: Jurnal Riset dan Konseptual Jurnal Ilmiah Universitas Batanghari Jambi Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya Syntax Literate: Jurnal Ilmiah Indonesia Rang Teknik Journal Astonjadro Jurnal Respirasi (JR) JUXTA: Jurnal Ilmiah Mahasiswa Kedokteran Universitas Airlangga Ge-STRAM: Jurnal Perencanaan dan Rekayasa Sipil JMTS: Jurnal Mitra Teknik Sipil ARBITRER: Jurnal Pendidikan Bahasa dan Sastra Indonesia Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Journal of Industrial Engineering & Management Research (JIEMAR) Proceedings Series on Physical & Formal Sciences Journal of Social Research Teknika Jurnal Indonesia Sosial Sains Innovative: Journal Of Social Science Research Journal of Engineering Science and Technology Management JIM: Jurnal Ilmiah Mahasiswa Pendidikan Sejarah Svāsthya: Trends in General Medicine and Public Health
Soedarsono Soedarsono
Faculty of Cultural Sciences Universitas Gadjah Mada Yogyakarta
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Journal : Journal of Engineering Science and Technology Management

 1 
Comparative Study of Cost Significant Model and Artificial Neural Networks Methods for River Retaining Wall Cost Estimation in Grobogan Regency Panuwun, Rizky Tulus; Pratiwi Adi, Henny; Soedarsono, Soedarsono
Journal of Engineering Science and Technology Management (JES-TM) Vol. 5 No. 2 (2025): September 2025
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v5i2.306

Abstract

Grobogan Regency in Central Java Province has a high level of flood risk, so the construction of river retaining walls is an important infrastructure for disaster mitigation. The estimation of construction costs at the early planning stage plays a crucial role in budgeting and technical decision-making. This study aims to compare the accuracy and consistency of two cost estimation approaches: Cost Significant Model (CSM), based on multiple linear regression, and Artificial Neural Networks (ANN) using the backpropagation algorithm. The dataset comprises 42 Bill of Quantity (BoQ) documents (37 training data and 5 testing data), with additional validation conducted through field surveys at seven proposed retaining wall locations. Model performance was evaluated using Mean Absolute Percentage Error (MAPE) to measure accuracy and Bland–Altman Plot to assess consistency. The results indicate that CSM achieved a MAPE value of 1.70%, which is lower than that of ANN, which yielded 2.50%. The Bland–Altman analysis also shows that CSM demonstrates higher consistency, as the linear regression approach allows prediction beyond the training data range, making it more adaptive to actual conditions. In contrast, ANN tends to be constrained within the normalized training data range, reducing its flexibility when encountering new data variations. Therefore, it can be concluded that CSM performs better than ANN in terms of accuracy and consistency in estimating the construction cost of river retaining walls in Grobogan Regency.
Co-Authors Abd. Rasyid Syamsuri Adnyana , I Made Dwi Mertha Agustini, Lukisiari Agustiyanto, Catur Ainiyah, Safira Nur Akhiruddin Akhiruddin Amaliah, Lia Ananda, I Gede Yogi Prema Aryanti, Yuni Ashari, Mochamad Hisam Awiyati, Ian Tangguh Bakhtiar, Arief Bambang Hariyanto Bimantara, Firmandhi Sahid Bur, Eka Yulianti Cho, Yong-Soon Deby Kusumaningrum Deddy Susanto Endraswari, Pepy Hartanto, Azis Herawati, Fauna Herni Setyawati Imam Wahyudi Indrawan, Imam Wahyudi Indrawanto, Dwi Wahyu Jazim Hamidi Joko Sutrisno Junus, Herisa Nataliana Jusak Nugraha Kartono Wibowo, Kartono Kasih, Shindya Kinasih Prayuni, Kinasih Kusmiati, Tutik Kusuma Dewi, Anindya Zalfaa Lyndia Effendy M. Dikman, Irmawati Mahardika, Vera Makhfudli Makhfudli Mandayani, Sari Mudiyono, Rachmad Nadir Nadir, Nadir Najimuddin, Didin Ni Made Mertaniasih Ni'am, M. Faiqun Nono Carsono Nugroho, Antonius Novan Setyo Nugroho, Eko Pudjo Pangeran Paita Yunus Panuwun, Rizky Tulus Permatasari, Ariani Poedjiastuti, Hermin Pradhana, Agung Pratama A., Ronald Pratiwi Adi, Henny Rachmat Mudiyono, Rachmat RACHMAT RACHMAT Rampengan, Vicky Reinold Christofel Resti Yudhawati Rika Yuliwulandari, Rika Ronald Pratama Adiwinoto Rudi Hariyono, Rudi S Imam Wahyudi Safitri, Adam Semedi, Bambang Pudjo Setiawati, Rosy Setyaningsih, Theresia Puji Setyobudi, Nurul Ilmiyati Slamet Imam Wahyudi, Slamet Imam SP Gustami Suhaemi Suhaemi, Suhaemi Sulistyowati, Titiek Syafa'ah, Irmi Syafaat, Muchamad Ali Syafaat, Muchamad Ali TARUNA, DODY Tasalina Yohana Parameswari Gustam UMI FATMAWATI Umiastuti, Pirlina Wajdi*, Bina Arumbinang Wajdi, Bina Arumbinang Wicaksana, Bayu Septiaji Wulandari, Dian Novita Yelvi Levani Yulistiani Yulistiani, Yulistiani