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Journal : Sinergi

Optimization of material requirements to support the accuracy of delivery materials based on quantity of cubicost analysis results Fandini, Reina Maulidya; Putra, I Nyoman Dita Pahang; Trigunarsyah, Bambang
SINERGI Vol 29, No 3 (2025)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2025.3.017

Abstract

Construction projects heavily rely on labor, materials, and equipment to ensure timely completion, with materials being a significant cost component. This study addresses discrepancies between rebar inventory and material demand, which can disrupt production and delay project completion. This study aims to determine the rebar volume using Cubicost TRB and optimize the lowest requirement cost by applying the Silver-Meal and Wagner-Whitin algorithms. Detailed engineering data supports the application, ensuring rebar bends meet technical standards at beam, column, and slab intersections. Material planning incorporates project schedules, inventory records, and rebar volume data from Cubicost. This planning considered the minimization of ordering and storage costs. The results showed that the volume of rebar calculated using the Cubicost application was more accurate than the project's bill of quantity data. The use of the Cubicost application proved to be more advantageous, resulting in a 1% reduction compared to the project data. Then, the Silver Meal algorithm resulted in total costs that were 21% lower than those of the Wagner-Whitin method in minimizing overall inventory costs, particularly for high-demand rebar types such as D13 and D19. These findings highlight the importance of accurate inventory scheduling and selecting appropriate lot-sizing techniques to minimize costs and prevent delays. Future research can compare Cubicost TRB’s accuracy with other software and extend the Silver-Meal and Wagner-Whitin algorithms to other materials.
Co-Authors Adibah Nurul Yunisya Afif, Syahril Nur Khusna Ahmed, Suliman Badawi Alam, Muhammad Miftakhul Alfonsus Fung Abimanyu Wicaksono Amala, Aprilia Suci Amelia Indah Faradilla Anggraeny, Anggi Dwi Anna Rumintang Anwar, Nadjadji Aprilia Regita Tri Cahyani Asyari, Saidatul Alfena Putri Awati, Mawinda Oktrify Bagas Andrian Permana Bambang Trigunarsyah Bambang Trigunarsyah, Bambang Bangun Muljo Sukojo, Bangun Muljo Bawana, Massayu Sekar Budi, Fakhruddin Prasetya Chakim, Ahmad Ibnul Christabella, Cynthia Cielly Christiono Utomo Dewanty, Maharani Putri Dewi, Risda Yasinta Diyasa, I Gede Susrama Mas Dwi Lutfil Khakim Eka Aprillia Erma Suryani Fadillah, Naufal Luthfi Fandini, Reina Maulidya Fatimah, Alifah Siti Hadianto, Usman Haholongan M, Aris Pistar Halim, Ismail Hidayatul Ulumiya I Made Merdana Ilham Arista Harahap Jagad, Sulthanul Auliya Junianda Velantika, Griselda Mahajana, Adam Niestera Mahardini, Hirdayanti Andina Raissha Mahrusah, Safira Manurung, Liza Olivia Maura Muzdhalifa, Rencany Mei Lutfi Yudhitasari Meylinda Sabrinawati Mitasari, Agusvivia Mudjahidin Muttaqin, Muh. Darul Muzaffar, Risal Muzdhalifa, Rencany Maura Natasya, Dininda Nia Dwi Puspitasari Ningtyas, Diah Kurniawati nur hanifah eka putri Panjaitan, Nita Jesika Pebria, Shinta Amyrul Pinky Febrilla Carienta Putri Prasasto, Adi Radityo Prasetyo, Aditya Rachmad Puspita, Milinda Nur Indah Putra, Moch. Maulana Kurnianda Saputra Putri, Ardelia Dewani Putri, Azhahra Divia Rahayu, Jatiningrum Rifky, Fariz Robby Soetanto Romadhoni, Firda Amalia Putri Salim, Abdurrosid Salsabila Aulia Ayu Lestari Putri Ghozali Sampurno, Ilham Ade Widya Santi Dwi Rahmawati Servanty, Izmanaya Avril Setiawan, Nanang Sianturi, Niel Tamsoju Siska Ayu Aprilia Yusuf Stephanie Almeyda Supriyono, Auliyah Shabirah Utami, Imanda Prasetya Velantika, Griselda Junianda Wardana, Zahra Ramadhani Widowati, Elok Dewi Yehezkiel Rivaldo Zetta Rasullia Kamandang