Garuda - Garba Rujukan Digital

Jurisman Amin

Unknown Affiliation

Author-ID : 226238

Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Transportation

Published : 14 Documents Claim Missing Document

Claim Missing Document

Articles

Title

1

Optimization of Construction Material Inventory Using Material Requirement Planning Rani, Hafnidar A.; Syammaun, Tamalkhani; Rachman, Firmansyah; Amin, Jurisman; Mahzarullah, Mahzarullah
Jurnal Linears Vol 8, No 1 (2025): Jurnal LINEARS
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/j-linears.v8i1.17116

ABSTRAK: Pengelolaan persediaan material yang efisien sangat penting dalam proyek konstruksi untuk menghindari keterlambatan, pembengkakan biaya, serta kekurangan dan kelebihan material. Penelitian ini menyelidiki optimalisasi pengelolaan persediaan material menggunakan metode Material Requirements Planning (MRP), dengan fokus pada teknik Lot Sizing—Lot for Lot (LFL) dan Part Period Balancing (PPB). Studi kasus dilakukan pada pembangunan Kantor Kementerian Agama di Banda Aceh. Penelitian ini menargetkan material beton bertulang, seperti semen, pasir, dan besi tulangan, yang merupakan bahan penting bagi proyek tersebut. Data primer dikumpulkan melalui observasi lapangan dan wawancara, sementara data sekunder diperoleh dari dokumentasi proyek, termasuk Bill of Materials (BOM), jadwal, dan rincian biaya. Dengan menggunakan MRP, penelitian ini menghitung kebutuhan material, jadwal pengadaan, dan biaya untuk teknik LFL dan PPB. Hasil penelitian menunjukkan bahwa teknik LFL secara signifikan mengurangi biaya dan meningkatkan efisiensi dibandingkan dengan metode PPB. Pada lantai pertama, teknik LFL menghasilkan penghematan biaya sekitar 51,9% dibandingkan dengan metode PPB. Demikian pula, untuk lantai kedua, penghematan biaya sekitar 72,2%. Penelitian ini menyimpulkan bahwa teknik LFL merupakan teknik yang optimal untuk pengelolaan persediaan material dalam proyek konstruksi, memastikan ketersediaan material tepat waktu dan biaya penyimpanan minimal. Temuan ini memberikan kerangka praktis untuk meningkatkan efisiensi pengadaan dan menawarkan wawasan berharga bagi proyek konstruksi di masa depan yang ingin mengurangi biaya dan meningkatkan keandalan penjadwalan.ABSTRACT: Efficient material inventory management is critical in construction projects to avoid delays, cost overruns, and both shortages and surpluses of materials. This study investigates the optimization of material inventory management using the Material Requirements Planning (MRP) method, focusing on Lot Sizing techniques—Lot for Lot (LFL) and Part Period Balancing (PPB). A case study was conducted on the construction of the Ministry of Religious Affairs Office in Banda Aceh. The research targeted reinforced concrete materials, such as cement, sand, and rebar, which are crucial for the project. Primary data was collected through field observations and interviews, while secondary data was obtained from project documentation, including the Bill of Materials (BOM), schedules, and cost breakdowns. Using MRP, the study calculated material requirements, procurement schedules, and costs for both LFL and PPB techniques. The findings revealed that the LFL technique significantly reduces costs and improves efficiency compared to the PPB method. For the first floor, the LFL technique resulted in a cost saving of approximately 51.9% compared to the PPB method. Similarly, for the second floor, the cost savings were around 72.2%. This study concluded that LFL is the optimal technique for material inventory management in construction projects, ensuring timely availability and minimal storage costs. These findings provided a practical framework for improving procurement efficiency and offered valuable insights for future construction projects seeking to reduce costs and enhance scheduling reliability.

Optimization of Project Acceleration Using Least Cost Scheduling Method: A Case Study Rani, Hafnidar A.; Amin, Jurisman; Bella, Sonia Oktavia
Jurnal Linears Vol. 8 No. 2 (2025): Jurnal LINEARS
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/bet8bh77

The rapid growth of the construction industry demands effective project management strategies to minimize delays and optimize costs. This study analyzes project acceleration using the Least Cost Scheduling (LCS) method in the construction of State Civil Apparatus (ASN) Ministry of Public Works and Housing (PUPR) flats for National Sports Week (PON) support. The research applies Microsoft Project to determine the critical path and evaluates different acceleration scenarios by increasing working hours by 1, 2, 3, and 4 hours per day. The findings indicate that with a 4-hour work extension, the project duration can be reduced from 390 days to 325 days, achieving a time saving of 65-days. However, this acceleration increases total project costs from IDR 20,436,612,368.92 to IDR 30,830,058,031.32, representing a 50.86% cost increase. The most cost-efficient balance was achieved by extending the workday by three hours, reducing project duration to 351 days with a 45.20% cost increase. These results provide valuable insights for construction project managers in selecting efficient acceleration strategies while considering financial feasibility.

Optimization of Construction Material Inventory Using Material Requirement Planning Rani, Hafnidar A.; Syammaun, Tamalkhani; Rachman, Firmansyah; Amin, Jurisman; Mahzarullah, Mahzarullah
Jurnal Linears Vol. 8 No. 1 (2025): Jurnal LINEARS
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/j-linears.v8i1.17116

ABSTRAK: Pengelolaan persediaan material yang efisien sangat penting dalam proyek konstruksi untuk menghindari keterlambatan, pembengkakan biaya, serta kekurangan dan kelebihan material. Penelitian ini menyelidiki optimalisasi pengelolaan persediaan material menggunakan metode Material Requirements Planning (MRP), dengan fokus pada teknik Lot Sizing—Lot for Lot (LFL) dan Part Period Balancing (PPB). Studi kasus dilakukan pada pembangunan Kantor Kementerian Agama di Banda Aceh. Penelitian ini menargetkan material beton bertulang, seperti semen, pasir, dan besi tulangan, yang merupakan bahan penting bagi proyek tersebut. Data primer dikumpulkan melalui observasi lapangan dan wawancara, sementara data sekunder diperoleh dari dokumentasi proyek, termasuk Bill of Materials (BOM), jadwal, dan rincian biaya. Dengan menggunakan MRP, penelitian ini menghitung kebutuhan material, jadwal pengadaan, dan biaya untuk teknik LFL dan PPB. Hasil penelitian menunjukkan bahwa teknik LFL secara signifikan mengurangi biaya dan meningkatkan efisiensi dibandingkan dengan metode PPB. Pada lantai pertama, teknik LFL menghasilkan penghematan biaya sekitar 51,9% dibandingkan dengan metode PPB. Demikian pula, untuk lantai kedua, penghematan biaya sekitar 72,2%. Penelitian ini menyimpulkan bahwa teknik LFL merupakan teknik yang optimal untuk pengelolaan persediaan material dalam proyek konstruksi, memastikan ketersediaan material tepat waktu dan biaya penyimpanan minimal. Temuan ini memberikan kerangka praktis untuk meningkatkan efisiensi pengadaan dan menawarkan wawasan berharga bagi proyek konstruksi di masa depan yang ingin mengurangi biaya dan meningkatkan keandalan penjadwalan.ABSTRACT: Efficient material inventory management is critical in construction projects to avoid delays, cost overruns, and both shortages and surpluses of materials. This study investigates the optimization of material inventory management using the Material Requirements Planning (MRP) method, focusing on Lot Sizing techniques—Lot for Lot (LFL) and Part Period Balancing (PPB). A case study was conducted on the construction of the Ministry of Religious Affairs Office in Banda Aceh. The research targeted reinforced concrete materials, such as cement, sand, and rebar, which are crucial for the project. Primary data was collected through field observations and interviews, while secondary data was obtained from project documentation, including the Bill of Materials (BOM), schedules, and cost breakdowns. Using MRP, the study calculated material requirements, procurement schedules, and costs for both LFL and PPB techniques. The findings revealed that the LFL technique significantly reduces costs and improves efficiency compared to the PPB method. For the first floor, the LFL technique resulted in a cost saving of approximately 51.9% compared to the PPB method. Similarly, for the second floor, the cost savings were around 72.2%. This study concluded that LFL is the optimal technique for material inventory management in construction projects, ensuring timely availability and minimal storage costs. These findings provided a practical framework for improving procurement efficiency and offered valuable insights for future construction projects seeking to reduce costs and enhance scheduling reliability.

Title Search

Found 3 Documents Search Journal : Jurnal Linears

Abstract

Abstract

Abstract

Title

Found 3 Documents
Search
Journal : Jurnal Linears