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Working Method of Column Casting In Residential House Construction Project at Jl. Martimbang No.2 Rifaldi Adi Saputra; Agung Sakti Meldian; Lutfi Hanafi; Aep Saepuloh
Jurnal Teknik dan Science Vol. 4 No. 2 (2025): Juni : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v4i2.2227

Abstract

Column work is one of the important stages in constructing a residential house structure, functioning as the main element supporting the load. In the house construction project at Jalan Martimbang No. 2, South Jakarta, the column implementation method is designed to prioritize the accuracy, strength, and durability of the structure. The stages of work include material preparation, formwork manufacture, assembly and installation of reinforcement, and concrete casting according to the established technical specifications. The entire process is carried out by paying attention to quality standards and work safety procedures, as well as considering the conditions of the surrounding environment. With a systematic approach and the use of quality materials, it is expected that the column structures will be able to support the building optimally and meet the planned lifespan of the building.
Calculation of Steel Reinforcement Needs for Beams and Prestressed Beams: Case Study on a Residential Project in South Jakarta Rifaldi Adi Saputra; Agung Sakti Meldian; Riris Setiyowati; Arman Jayadi
Jurnal Teknik dan Science Vol. 4 No. 2 (2025): Juni : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v4i2.2228

Abstract

This study aims to analyze the need for reinforcement in conventional and prestressed beams in a residential project in South Jakarta. A quantitative descriptive approach is used, allowing for the systematic and measurable presentation of numerical data. Data were collected through direct field surveys, focusing on the analysis of work execution methods and the calculation of steel reinforcement requirements, particularly for ground floor structural elements. The case study was conducted on a conventional beam of type As 4' ; E - I with a span of 22.40 meters, which resulted in an iron demand volume of 991.77 kg for 25 mm diameter and 472.37 kg for 13 mm diameter. Meanwhile, for the prestressed beam As J; 3 - 8 with a cross-sectional size of 400 x 500 mm and a span of 14.30 meters, an iron requirement of 526.96 kg for a diameter of 22 mm and 295.00 kg for a diameter of 13 mm was obtained. The results of this study provide a detailed estimation of the material requirements for reinforcing the residential structure, which can serve as a reference for planning and controlling construction costs.
Application of Earned Value Method for Analysing Cost and Time Performance in the Construction of the Bank Mandiri Flat in Pare-Pare, South Sulawesi Yuli Sulistiyohadi; Agung Sakti Meldian; Ervina Yuliyanti; Vikar Kurniawan
Jurnal Teknik dan Science Vol. 4 No. 2 (2025): Juni : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v4i2.2230

Abstract

The Bank Mandiri Pare-Pare Sulawesi flat construction project is scheduled to be completed within 43 weeks with a contract value of Rp. 17,117,245,280. With time and cost constraints, good and thorough control is needed. The purpose of this study is to determine the cost and time performance at the end of the project completion. The method used in this study is the Earned Value method, which combines cost, time, and physical work performance elements. Data obtained from the project include the project schedule, Cost Estimate (RAB), weekly project reports, and actual costs. An analysis of costs, schedules, variances, and performance indices was conducted, highlighting issues that arose during the study. The Project Schedule Performance Index (SPI) at the 39th week review was 1.076, indicating that the project was ahead of schedule. The Project Cost Performance Index (CPI) from week 30 to week 38 showed values below 1, indicating that project expenditures exceeded the budget due to suboptimal progress weighting, as purchased materials were still in transit to the project site and had not yet been counted as progress by the owner. while in week 39, the index began to rise above 1 because progress weighting has become optimal, as the ordered goods have arrived and are now being accounted for in progress.
Sosialisasi Inovasi Beton Ramah Lingkungan Berbasis Tempurung Kelapa sebagai Substitusi Agregat Kasar Rifaldi Adi Saputra; Era Agita Kabdiyono; Agung Sakti Meldian; Stevi Cahyani; Yayo Hardiansah; Galang Romadlon; Hariyadi Hariyadi
 Jurnal Abdi Masyarakat Multidisiplin Vol. 5 No. 2 (2026): Agustus: JURNAL ABDI MASYARAKAT MULTIDISIPLIN
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jammu.v5i2.2798

Abstract

The increasing use of concrete in infrastructure development has led to a growing demand for natural aggregates, particularly gravel as coarse aggregate. This condition requires the introduction of environmentally friendly alternative materials based on local resources. Coconut shell is an organic waste commonly found in communities, yet its practical use as a construction material remains limited. This community service activity aims to improve participants’ knowledge and basic skills in utilizing coconut shell as a substitute for coarse aggregate in environmentally friendly concrete mixtures. This study employed a descriptive qualitative method through socialization, demonstration, simple practice, observation, documentation, discussion, and evaluation of participants’ understanding. The data were analyzed descriptively to explain the implementation process, participants’ responses, and changes in their understanding of coconut shell waste utilization. The results show that participants gained knowledge about the concept of green concrete, the function of coarse aggregate in concrete mixtures, the initial processing stages of coconut shell, and the potential of local waste as an alternative material for simple construction applications. The implication of this activity is the improvement of community awareness regarding waste utilization and the importance of sustainable construction materials. The originality of this activity lies in its educational and practical approach to introducing coconut shell as a coarse aggregate substitute through direct socialization and hands-on practice with the community.
Analisis Kesipan, Hambatan, dan Startegi Adopsi Building Information Modeling (BIM) pada Proyek Perumahan Skala Menengah Kebawah Widi Hidayat; Agung Sakti Meldian
Indonesian Journal of Multidisciplinary on Social and Technology Vol. 4 No. 3 (2026): Juli - Oktober
Publisher : PT Ilmu Data Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69693/ijmst.v4i3.13483

Abstract

Penerapan Building Information Modeling (BIM) pada proyek perumahan skala menengah ke bawah di Jabodetabek masih menghadapi hambatan operasional akibat durasi fast-track (2–4 bulan) dan margin keuntungan yang terbatas. Penelitian kuantitatif-deskriptif ini bertujuan menganalisis tingkat kesiapan, memeringkatkan hambatan utama, serta merumuskan strategi adopsi BIM yang adaptif dan ramah biaya. Evaluasi dilakukan menggunakan integrasi kerangka STOR (SDM, Teknologi, Organisasi, Regulasi), pemeringkatan Relative Importance Index (RII), serta sintesis matriks IFE, EFE, IE, dan TOWS berbasis data kuesioner dari N = 42 praktisi konstruksi. Hasil penelitian menunjukkan adopsi BIM berada pada fase transisi awal, di mana 57,15% instansi belum menjadikan BIM sebagai SOP baku dan penerapannya masih didominasi BIM 3D (50,00%). Meskipun persepsi manfaat internal tergolong sangat positif (RII = 0,812), adopsi terhambat oleh empat kendala utama: ketidaksiapan rantai pasok/mandor lokal (RII = 0,771), kelangkaan SDM ahli (RII = 0,758), tinggi biaya investasi awal (RII = 0,742), dan resistensi budaya kerja (RII = 0,672). Penerapan BIM dari awal (start from scratch) dinilai tidak layak untuk proyek singkat, namun sangat layak melalui pendekatan Light BIM (BIM Level 2) menggunakan standardized template model (Tipe 36 & 45). Hasil analisis kuantitatif (〖TWS〗_IFE = 3,165 ; 〖TWS〗_EFE = 3,558) mendudukkan posisi organisasi pada Kuadran I Matriks IE (Strategi Agresif), yang diwujudkan melalui skema insentif PBG, pelatihan bersubsidi, dan workflow OpenBIM.
ANALISIS FAKTOR YANG MEMENGARUHI PENERAPAN KESELAMATAN DAN KESEHATAN KERJA PADA PROYEK PEMBANGUNAN COLD STORAGE Susanti Susanti; Agung Sakti Meldian
Nusantara Hasana Journal Vol. 6 No. 3 (2026): Nusantara Hasana Journal, August 2026
Publisher : Yayasan Nusantara Hasana Berdikari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59003/nhj.v6i3.2327

Abstract

Occupational Safety and Health (OSH) is a critical aspect of construction projects because the nature of construction work involves a relatively high risk of accidents. This study aims to analyze the factors related to the implementation of OSH in the construction project of PT Tatamulia Nusantara Indah’s cold storage facility in Penjaringan, North Jakarta. The study employed a quantitative approach, with data collected through questionnaires, field observations, and project documents. The variables analyzed included OSH knowledge and training (X1), compliance with the use of Personal Protective Equipment (PPE) (X2), working environment conditions and OSH facilities (X3), as well as management supervision and commitment. The study population consisted of 150 workers, while the sample analyzed comprised 61 respondents. The research instrument used a 1–5 Likert scale and was analyzed using SPSS through validity and reliability tests, classical assumption tests, multiple linear regression, t-tests, F-tests, and the coefficient of determination. The results showed that all 20 questionnaire items were valid, with correlation values ranging from 0.711 to 0.866, and the instrument demonstrated very high reliability, with a Cronbach’s Alpha of 0.967. The regression results show that knowledge has no significant effect (Sig. 0.276), compliance with PPE use has no significant effect (Sig. 0.233), while work environment conditions and facilities have a significant effect (Sig. 0.000). Collectively, the regression model is significant with an F-value of 55.997 and Sig. 0.000. The R² value of 0.746 indicates that 74.6% of the variation in the dependent variable can be explained by the independent variables in the model. The results of the study indicate that improving work environment conditions, OSH facilities, as well as management oversight and commitment are important aspects in enhancing the effectiveness of OSH implementation in construction projects.