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All Journal Jurnal Ilmiah Desain & Konstruksi ENGINEERING U Karst Jurnal Riset Rekayasa Sipil Jurnal Manajemen Teknologi dan Teknik Sipil (JURMATEKS) Community Development Journal: Jurnal Pengabdian Masyarakat Journal Innovation of Civil Engineering (JICE) Jurnal Konstruksi Engineering and Technology International Journal (EATIJ) Journal of Civil Engineering and Vocational Education
Imam Mustofa
Civil Engineering, Universitas Kadiri, Kediri, Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Mechanical Engineering Public Health Transportation

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Optimasi Biaya Konstruksi dengan Pendekatan Life-Cycle Cost Pagar Panel Precast dan Pagar Batako di Kediri Jhody Hendarwan; Imam Mustofa
Jurnal Konstruksi Vol 24 No 1 (2026): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.24-1.3154

Abstract

The rapid development of construction technology demands building systems that are efficient in terms of cost, time, and quality. In the context of light infrastructure such as perimeter fencing, the choice of construction method significantly affects the total project cost over its service life. This study aims to compare the economic efficiency of precast concrete panel fences and conventional concrete block (batako) fences using a Life-Cycle Cost (LCC) analysis approach. This research adopts a quantitative–comparative method based on the Life-Cycle Costing Manual (Fuller & Petersen, 1995) and ISO 15686-5:2017 standards. Data were obtained from an actual fencing project in Kediri City, including cost estimates (RAB), material volumes, construction duration, and maintenance costs. The analyzed parameters include Capital Expenditure (CAPEX), Operational Expenditure (OPEX), and Event Costs, using an 8% discount rate and a 20-year project service life. The results show that the precast fence system yields a total Net Present Cost (NPC) of IDR 608.88 million, while the concrete block fence reaches IDR 848.12 million, indicating a cost efficiency of approximately 39%. In addition, the precast system requires only 14 days for installation, which is 58.8% faster than the concrete block system that requires 34 days. In terms of dimensions, the precast fence uses 63.9% less material volume and has a lighter structural weight. Overall, the precast concrete panel fence demonstrates higher cost efficiency, faster construction time, and better material durability under the humid tropical climate of Kediri.
Klasifikasi Tingkat Risiko K3 pada Proyek Konstruksi Berkelanjutan Berbasis Matriks Risiko AS/NZS 4360 Dimas Prasetyo; Imam Mustofa
Jurnal Konstruksi Vol 24 No 1 (2026): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.24-1.3169

Abstract

High-rise building construction projects involve a high level of hazards and uncertainty, requiring the systematic implementation of occupational safety risk management. This study aims to identify and classify occupational health and safety (OHS/K3) risk levels and to formulate control measures for high-rise building construction projects. The research method employs a quantitative approach through the distribution of questionnaires to 39 respondents, with risk analysis based on the standard AS/NZS 4360:2004 risk matrix. The results indicate that 8% of the variables fall into the high-risk category, 40% into the medium-risk category, and 52% into the low-risk category. High risks are primarily associated with structural work activities and field operations that have the potential to cause serious accidents. The contribution of this study lies in the presentation of measurable and applicable OHS risk mapping, along with risk-level-based control recommendations, which can serve as a practical reference for project managers in improving the effectiveness of OHS management system implementation in sustainable building construction projects.
PENGARUH MATERIAL LOKAL KEDIRI TERHADAP TINGKAT DURABILITAS LAPIS STRUKTUR JALAN Achmad Khabib Kurnia; Andri Dwi Cahyono; Imam Mustofa; Evita Fitrianis Hidiyati; Ricco Dwi Yuliawan; Tantra Tegar Permady; Achmad Fikri Haikal; Dwi Nur Khayatin; Audy Yoga Pratama
Jurnal Riset Rekayasa Sipil Vol 7, No 1 (2023): September 2023
Publisher : Prodi Teknik Sipil Fakultas Teknik Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jrrs.v7i1.79196

Abstract

Air conditioning or asphalt concrete is formed from coarse aggregate, fine aggregate, and asphalt. An aggregate is a collection of grains of crushed stone, gravel, sand, and other minerals in the form of both natural and artificial products. Coarse aggregate is sieve holder No. 8 (2.36 mm) retained aggregate while fine aggregate is sieve No. 8 (2.36 mm) passed aggregate. The problems that often occur in road pavement layers are poor durability and surfaces that are easy to wear out. This study aimed to find the maximum marshall value in the form of 60/70 penetration asphalt mixture stability. This study used an experimental method with a laston AC-BC test, the test was carried out with abrasion, gradation, specific gravity, and Marshal testing tests using marshal test equipment, following SNI 06-2489-1991, or AASHTO T245-90, or ASTM D1559-76. Using aggregates from the Kedak area, stability results of 3046, 4896, 3754 were obtained, which met the standards of the Bina Marga specifications standards. So that the aggregate from the Kedak area can be used as an alternative constituent material in road planning in the Kediri area because it is more efficient and has good durability.
DIFUSI TEKNOLOGI BETON SELF-HEALING BERBASIS BAKTERI UNTUK EFISIENSI BIAYA DALAM INDUSTRI KONSTRUKSI Imam Mustofa; Dwifi Aprillia Karisma; Zendy Bima Mahardana; Queen Arista Rosmania Putri Sumarsono
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 7 No. 4 (2026): Vol. 7 No. 4 (2026)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cdj.v7i4.60881

Abstract

Retak beton masih menjadi persoalan berulang pada proyek konstruksi lokal karena dapat mempercepat masuknya udara, klorida, dan karbon dioksida yang memicu penurunan durabilitas serta peningkatan biaya pemeliharaan. Kegiatan pengabdian ini bertujuan meningkatkan literasi, kesadaran teknis, dan kesiapan awal pelaku konstruksi terhadap teknologi beton self-healing berbasis bakteri. Kebaruan kegiatan terletak pada model difusi ipteks yang menghubungkan penelitian pertukaran beton bio-self-healing dengan kebutuhan lapangan mitra, disertai evaluasi kuantitatif dan kualitatif. Kegiatan dilaksanakan bersama CV. Mustikasari di Tulungagung melalui penyuluhan, pemaparan sederhana, diskusi terarah, pre-test, post-test, kuesioner kepuasan, serta wawancara. Evaluasi data dianalisis secara deskriptif menggunakan persentase capaian dan N-Gain. Hasil menunjukkan bahwa rata-rata pemahaman meningkat dari 40,75% menjadi 80,17%, dengan rata-rata N-Gain 0,668 atau kategori sedang menuju tinggi. Indikator relevansi teknologi terhadap masalah konstruksi lokal mencapai skor post-test tertinggi sebesar 88,00%. Kepuasan peserta juga sangat tinggi dengan rata-rata 90,44%, sedangkan 93,33% responden menyatakan berminat atau mungkin mengikuti pelatihan lanjutan. Temuan FGD menunjukkan bahwa saluran udara, talud, drainase, dan elemen beton lembap menjadi kandidat uji coba awal. Kegiatan ini penting sebagai tahap penerjemahan materi teknologi yang cerdas menuju proyek percontohan lokal yang lebih tahan lama, efisien, dan berkelanjutan
Co-Authors Abdul Rosid Ma'ruf Achmad Fikri Haikal Achmad Khabib Kurnia Achmad Saiful Arifin Aditya Purnama Agata Iwan Candra Ahmad Ridwan Alfaridh Pasya, Salman Andri Dwi Cahyono Aprillinda, Ismatul Putri Arifin, Achmad Saiful Ashabul Yamin Audy Yoga Pratama Bima Mahardana, Zendy Chaq, Uluumul Dimas Prasetyo Dwi Nur Khayatin Dwifi Aprillia Karisma Edy Gardjito, Edy Erwin Dwi Laksana Evita Fitrianis Hidiyati Evita Fitrianis Hidiyati Faiz Muhamad azhari Faiz Muhammad Azhari Faiz Muhammad Azhari Fatima, Brenda Fitry Rahmawaty Heru Setiyo Cahyono Ines Indria Wati Ita Suhermin Ingsih Jhody Hendarwan Muhammad Heri Nastotok Muhdhor, Muhammad Ali Nursandah, Fauzie Pratama, Satrya Adi Purwanto, Zahra Putri, Karisma Queen Arista Rosmania Putri Sumarsono Rahmahima, Bella Amiria Rama Putra Nugraha Ramadhani, Fadlila Ayub Rendy Kurnia Dewanta Ricco Dwi Yuliawan Rina Rebut Rayhansah Rivianto, Arif Saefudin, Ruli Salsabila, Fitri Amalia Setyoningrum, Tyas Dwi Sigit Winarto Sigit Winarto Sony Susanto Suwarno Suwarno Tantra Tegar Permady Wicaksono, Daniel Jalu Aufarel Wiwit Mely Yanti Jannah Zendy Bima Mahardana