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All Journal Jurnal Pengabdian Magister Pendidikan IPA Jurnal Tecnoscienza Indonesian Journal of Multidisciplinary on Social and Technology
Arrisha Anggraini
Universitas Negeri Medan
Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Mathematics Social Sciences Other

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Peningkatan Kompetensi Menggambar Teknik Digital Siswa SMK Melalui Pelatihan AutoCAD Berbasis Praktik Langsung Anni Zahara Putri; Arrisha Anggraini; Rizky Simanjuntak; Ummu Salamah; Heri Franata Sitorus; Hindra Karamah Putra Handana
Jurnal Pengabdian Magister Pendidikan IPA Vol 9 No 1 (2026): Januari - Maret 2026
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v9i1.14345

Abstract

Digital technical drawing competency based on AutoCAD proficiency represents an essential requirement for students pursuing construction-related vocational training to successfully transition into professional practice. This study reports on a community service intervention implemented at SMK Negeri 1 Lubuk Pakam, designed to systematically enhance students' competencies in digital technical drawing through hands-on AutoCAD training. The program engaged 26 Grade XI students specializing in Building Construction Engineering over a single training day. The instructional methodology integrated pre-assessment, instructor-led demonstration, structured laboratory-based practical training, and post-assessment evaluation. Comparative analysis of pre-test and post-test performance scores revealed substantive improvements in students' mastery of fundamental AutoCAD operations, 2D technical drawing procedures, layer organization protocols, and the application of technical dimensioning and annotation conventions. Qualitative feedback indicated that participants perceived the training as beneficial for their academic coursework completion and preparation for professional competency certification examinations. These findings substantiate the efficacy of intensive, hands-on AutoCAD training as a time-efficient and pedagogically sound intervention for advancing vocational students' technical competencies in digital drawing applications.
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.
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. 
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 Afriyani Siburian Anni Zahara Putri Edo Barlian Hia, Titonik Hindra Karamah Putra Handana I Gede Wyana Lokantara . Ival Ardyansyah Gultom Ivana Christine Sembiring Brahmana Melvi Maulita Napitupulu Monica Agnes Marbun Muhammad Rafa Rizqi Lubis Refina Olivia Simamora Rista Lumbantoruan Ronal Regen Silitonga Simanjuntak, Rizky Sitorus, Heri Franata Thya Ifhada Tambunan Ummu Salamah Wenny Herdianti