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All Journal Jurnal Tecnoscienza Journal of Infrastructure and Civil Engineering Indonesian Journal of Multidisciplinary on Social and Technology
Melvi Maulita Napitupulu
Universitas Negeri Medan
Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Engineering Environmental Science Materials Science & Nanotechnology Mathematics Social Sciences Transportation Other

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Analisa Bill Of Quantity Take Off (Volume) Pada Pembangunan Sekolah Rakyat Serdang Bedagai Monica Agnes Marbun; Refina Olivia Simamora; Rista Lumbantoruan; Ronal Regen Silitonga; Edo Barlian; Melvi Maulita Napitupulu; Arrisha Anggraini
Indonesian Journal of Multidisciplinary on Social and Technology Vol. 4 No. 2 (2026): Maret - Juni
Publisher : PT Ilmu Data Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69693/ijmst.v4i2.10210

Abstract

Bill of Quantity (BOQ) merupakan dokumen penting dalam manajemen proyek konstruksi yang berfungsi untuk mengidentifikasi, mengukur, dan mendokumentasikan seluruh kuantitas pekerjaan yang akan dilaksanakan. Penyusunan BOQ yang akurat sangat diperlukan karena menjadi dasar dalam estimasi biaya, pengadaan material, perencanaan sumber daya, serta pengendalian pelaksanaan proyek. Tujuan penelitian ini adalah untuk menganalisis proses perhitungan volume pekerjaan dan penyusunan Bill of Quantity pada proyek konstruksi gedung berdasarkan gambar kerja dan spesifikasi teknis yang tersedia. Metode yang digunakan dalam penelitian ini adalah metode deskriptif kuantitatif melalui studi dokumen, yaitu dengan melakukan identifikasi item pekerjaan, perhitungan volume berdasarkan gambar perencanaan, pengelompokan pekerjaan sesuai klasifikasi konstruksi, serta penyusunan daftar kuantitas pekerjaan dalam format BOQ. Data yang digunakan meliputi gambar arsitektur, struktur, dan dokumen teknis proyek. Hasil penelitian menunjukkan bahwa penyusunan BOQ memerlukan ketelitian tinggi dalam menginterpretasikan gambar kerja dan menentukan metode perhitungan volume yang sesuai untuk setiap item pekerjaan. BOQ yang tersusun secara sistematis mampu memberikan informasi kuantitas pekerjaan yang akurat sehingga dapat mendukung proses estimasi biaya dan pengendalian proyek secara efektif. Kesimpulan dari penelitian ini adalah bahwa Bill of Quantity memiliki peranan yang sangat penting dalam tahap perencanaan proyek konstruksi karena dapat meningkatkan akurasi perhitungan kebutuhan pekerjaan, meminimalkan potensi kesalahan estimasi, serta menjadi dasar yang andal dalam penyusunan anggaran biaya proyek.
Evaluation of Drainage Channel Capacity on Rela–Sutomo Road, Medan City, Indonesia Melvi Maulita Napitupulu; Ridho Azahar; Wisnu Prayogo; Fikryah Atikah Pane; Sarra Rahmadani; Rizky Simanjuntak; Ahmad Zulfikar
Journal of Infrastructure and Civil Engineering Vol. 6 No. 2 (2026)
Publisher : Program Studi Teknik Sipil Sekolah Tinggi Teknologi Pekanbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35583/jice.v6i2.192

Abstract

This study evaluated the capacity of the drainage system along Rela–Sutomo Road, Medan, to accommodate rainfall runoff and domestic wastewater. Rapid urban development and population growth have increased impervious surface coverage, surface runoff, and domestic wastewater generation, potentially exceeding the conveyance capacity of the existing drainage channels. This study aimed to determine whether the existing drainage system could accommodate the combined design discharge. The analysis included population projection using the least-squares method, estimation of domestic wastewater discharge, rainfall frequency analysis using the selected probability distribution for a 10-year return period, rainfall intensity estimation using the Mononobe method, runoff calculation using the rational method, and channel capacity calculation using Manning’s formula. Sediment depths and channel dimensions were directly measured across 10 drainage segments. The results showed that the design runoff discharge for the selected 10-year return period reached 24.46 m³/s, whereas the existing channel capacity was only 1.31 m³/s. Sediment accumulation reduced the effective cross-sectional area and decreased the channel capacity by up to 30%. Consequently, the combined inflow substantially exceeded the available channel capacity, indicating critical hydraulic overload and a high risk of flooding and surface inundation. The existing drainage system is therefore inadequate and requires channel normalization, periodic sediment removal, and hydraulic capacity improvement
Pemanfaatan Limbah Plastik Polyethylene Terephthalate (PET) Sebagai Agregat Kasar Beton Ringan: Systematic Literature Review Arrisha Anggraini; Wenny Herdianti; Ivana Christine Sembiring Brahmana; Titonik Feberman Hia; Melvi Maulita Napitupulu; I Gede Wyana Lokantara
JURNAL TECNOSCIENZA Vol. 10 No. 2 (2026): JURNAL TECNOSCIENZA
Publisher : JURNAL TECNOSCIENZA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51158/thjvb146

Abstract

Plastic waste, particularly polyethylene terephthalate (PET) from beverage bottles, constitutes a major source of non-biodegradable waste that is difficult to decompose and poses long-term environmental risks. The utilization of polyethylene terephthalate (PET) waste as a partial replacement for coarse aggregate in concrete offers a dual benefit: reducing plastic waste while conserving natural aggregates and decreasing concrete density for lightweight applications.This study systematically examines the mechanical properties of polyethylene terephthalate (PET)-based concrete through a systematic literature review following the PRISMA 2020 protocol, covering publications from 2018 to 2026. A literature search was conducted across the SINTA, Portal Garuda, Google Scholar, and Scopus databases, yielding 155 initial articles. After a rigorous screening process, 7 experimental studies met the inclusion criteria, namely those that utilized polyethylene terephthalate (PET) as a coarse aggregate substitute and reported quantitative data on compressive strength and/or density. The synthesis reveals a consistent trend in which increasing polyethylene terephthalate (PET) content reduces compressive  strength (ranging from 13–20 MPa at 5–10% substitution and 7–10 MPa at >25%) as well as density (1,645–1,900 kg/m³), resulting in lightweight non-structural concrete. A combination of PET and rice husk ash achieved an optimal compressive strength of 24.85 MPa. Substitution levels of 5–10% are most suitable for semi-structural elements, whereas levels above 25% are optimal for non-structural applications such as partition panels and precast drainage channels. 
Studi Literatur Karakteristik Fisik dan Mekanik Aspal Modifikasi Berdasarkan Hasil Uji Laboratorium (Periode 2020–2025) Wenny Herdianti; I Wayan Putra Jayantara Jayantara; Arrisha Anggarini; Ivana Christine Sembiring Brahmana; Melvi Maulita Napitupulu; A. Daniel Anderson Munthe
JURNAL TECNOSCIENZA Vol. 10 No. 2 (2026): JURNAL TECNOSCIENZA
Publisher : JURNAL TECNOSCIENZA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51158/anqs5b48

Abstract

Conventional asphalt still has limitations in withstanding increasing traffic loads and environmental influences, which can lead to permanent deformation, cracking, and a reduction in pavement service life. Various studies have developed modified asphalt to improve pavement performance; however, the findings remain scattered and have not been comprehensively synthesized. This study aims to examine the physical and mechanical characteristics of modified asphalt based on laboratory testing results using the Systematic Literature Review (SLR) method. Data were collected from Google Scholar, ScienceDirect, SpringerLink, ResearchGate, and SINTA-indexed national journals published between 2020 and 2025. The initial search yielded 85 articles, and after applying the inclusion and exclusion criteria, 11 articles were selected for analysis. The reviewed data included binder physical characteristics, rheological properties, and the mechanical characteristics of asphalt mixtures. The results indicate that the use of modification materials such as polymers, rubber, nanomaterials, and plastic waste generally improves the softening point, Marshall stability, and resistance to permanent deformation. However, the increased stiffness observed in some modified asphalt types may reduce mixture flexibility and increase the risk of cracking at low temperatures. Therefore, modified asphalt has significant potential to enhance pavement performance, but the selection of modification materials and their dosage should be adjusted to technical requirements to achieve optimal performance.
Analisis Quantity Take-Off Pile Cap dan Tie Beam Berdasarkan Gambar Kerja Proyek Sekolah X Afriyani Siburian; Ival Ardyansyah Gultom; Muhammad Rafa Rizqi Lubis; Thya Ifhada Tambunan; Edo Barlian; Melvi Maulita Napitupulu; Arrisha Anggraini
JURNAL TECNOSCIENZA Vol. 10 No. 2 (2026): JURNAL TECNOSCIENZA
Publisher : JURNAL TECNOSCIENZA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51158/byzfb334

Abstract

Quantity estimation is one of the important stages in construction project planning because it affects material requirements and project execution in the field. One method commonly used to determine work quantities is Quantity Take-Off (QTO), which is carried out based on project construction drawings. This study aims to analyze the Quantity Take-Off results for pile cap and tie beam works based on the construction drawings of School X Project in Medan City. A descriptive quantitative method was employed using structural drawings and reinforcement details as the primary data sources. The research stages included structural element identification, calculation of concrete volume, reinforcement requirements, and formwork area for each element under review. The results showed that the total concrete requirement for pile cap and tie beam works was 258.096 m³, the reinforcement requirement was 24,735.317 kg, and the formwork requirement was 1,009.117 m². These findings indicate that accurate quantity estimation is essential to ensure proper material planning and to minimize the risk of material shortages or excesses during project execution. The results of this study can be used as a basis for material planning and quantity control, thereby supporting a more effective and well-organized construction process. In addition, this study may serve as a reference for the implementation of Quantity Take-Off in substructure works with similar characteristics. 
Co-Authors A. Daniel Anderson Munthe Afriyani Siburian Ahmad Zulfikar Arrisha Anggarini Arrisha Anggraini Edo Barlian Fikryah Atikah Pane I Gede Wyana Lokantara . Ival Ardyansyah Gultom Ivana Christine Sembiring Brahmana Jayantara, I Wayan Putra Monica Agnes Marbun Muhammad Rafa Rizqi Lubis Refina Olivia Simamora Ridho Azahar Rista Lumbantoruan Ronal Regen Silitonga Sarra Rahmadani Simanjuntak, Rizky Thya Ifhada Tambunan Titonik Feberman Hia Wenny Herdianti Wisnu Prayogo