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All Journal Logic : Jurnal Rancang Bangun dan Teknologi Jurnal Ilmiah Rekayasa Sipil Portal: Jurnal Teknik Sipil Prokons: Jurnal Teknik Sipil Construction and Material Journal JURNAL POLI-TEKNOLOGI Logic : Jurnal Rancang Bangun Dan Teknologi
I Ketut Sucita
Politeknik Negeri Jakarta
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Analisis Waktu dan Biaya Perbandingan Erection Box Girder Menggunakan Metode Crane dan Launcher Bunga Islami Fortuna; I Ketut Sucita; Rikki Sofyan Rizal
Jurnal Ilmiah Rekayasa Sipil Vol 18 No 2 (2021): Oktober 2021
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v18i2.627

Abstract

The most important thing in the construction of toll roads, especially elevated toll roads, is the erection girder. The implementation of this erection girder certainly requires a long time and a large cost, so it requires the right work method in its implementation. The construction of the X Section A Toll Road Project is the construction of an elevated toll road where its implementation is limited by time and cost so that it requires the right work method to achieve timely and cost-efficient project completion. The girder used in this project is a box girder with the implementation method using the crane and launcher method. This study aims to analyze the time and cost of comparing the implementation method of erection box girder using cranes and launchers to obtain a more efficient and effective implementation method. This research was conducted through field observations to observe the erection box girder time and collect secondary data regarding the method of implementing erection box girder. The analysis carried out in this study includes time calculation analysis by calculating the average time value of the erection box girder implementation using statistical formulas and cost analysis carried out by referring to the PUPR Ministerial Regulation Number 28/PRT/M/2016 concerning Analysis of Unit Prices for Public Work. Based on the outcomes of the calculation of time and cost analysis, the duration of the erection box girder with the crane method is 70.65 minutes and requires a cost of Rp 23,769,579 and the launcher method takes 48.12 minutes and costs Rp 11,834,500. Thus, it can be seen that the more efficient and effective erection box girder method is the launcher method with a cost difference of Rp 11935,079 and 32% efficiency. when compared to the crane method.
Analisis Tingkat dan Faktor Produktivitas Tenaga Kerja pada Pekerjaan Struktur Atas di Proyek X Gita Ambarwati Wijaya; I Ketut Sucita; Jonathan Saputra
Portal: Jurnal Teknik Sipil Vol 13, No 2 (2021): Edisi Oktober
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v13i2.2336

Abstract

Produktivitas pada bidang konstruksi adalah suatu hal fundamental yang mempengaruhi kinerja pekerja di industri konstruksi. Tingkat produktivitas berpengaruh tinggi terhadap jam kerja dan mampu menekan biaya produksi, terutama biaya tenaga kerja agar menjadi minimum. Tujuan dari penelitian adalah mengetahui waktu penyelesaian pekerjaan struktur atas oleh tenaga kerja, mendapatkan nilai produktivitas yang dimiliki tenaga kerja, dan menganalisis faktor dominan dari unsur produktivitas yang mempengaruhi tenaga kerja. Penelitian menggunakan observasi lapangan dan kuesioner yang melibatkan 30 responden dalam pengumpulan data. Pengolahan analisis dilakukan dengan perhitungan LUR dan uji ANOVA. Hasil analisis menunjukkan bahwa waktu penyelesaian yang dibutuhkan pekerja pada pekerjaan struktur atas lantai 13 tower A3 di proyek X adalah 13 hari. Tingkat produktivitas tenaga kerja memiliki nilai rata-rata LUR sebesar 86,63%. Nilai produktivitas yang berada di atas 50% menunjukkan bahwa produktivitas ada di tingkat memuaskan. Berdasarkan hasil uji hipotesis dengan uji ANOVA, lingkungan pekerjaan adalah faktor dominan yang mempengaruhi tenaga kerja.
Comparison Between the BOQ of Conventional and BIM Method on BPJS Building in Central Jakarta Mutia Hanuun Ufaira Akbar; I Ketut Sucita; Erlina Yanuarini
Logic : Jurnal Rancang Bangun dan Teknologi Vol 21 No 1 (2021): March
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v21i1.2260

Abstract

In the construction planning process, the calculation of the quantity of each project work was packaged in a Bill of Quantity (BoQ) to complete the project and greatly affected the continuity of the entire construction construction process. With advances in technology in the world of construction, it could simplify planning in built a building and could increased the accuracy of calculations without using assumptions that could increased the volume of work. One of the results of current technological advances was the creation of the Building Information Modeling (BIM) method, a method that was able to simulate all information in a development project into a 3-dimensional model. Currently the use of the BIM method in Indonesia was still limited so that in this research, the aim was to determine the effectiveness of the use of BIM on the accuracy calculation of the volume of the BoQ and to know the percentage comparison. The building project that was used as a comparison was a building with the middle rise building category, namely the Central Jakarta BPJS Building. Based on the research conducted, it was found that the difference between conventional and BIM results on pilecap components was 5%, column 6%, beam 35%, floor slabs 2%, stairs 22%, ceiling 2.26% floor coverings 14% lower than conventional calculations but for the wall component the BIM calculation is 0.78% greater than the conventional calculation. So that the total percentage ratio is 10%, thus this proves that the use of the BIM method in calculating quantity was effective in terms of calculation accuracy.
PENERAPAN KONSTRUKSI HIJAU PADA PROYEK APARTEMEN X DI JAKARTA PUSAT Narisa Adistianti; I Ketut Sucita
Construction and Material Journal Vol. 2 No. 2 (2020): Construction and Material Journal Vol. 2 No. 2 Juli 2020
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v2i2.3089

Abstract

Along with the Jakarta Governor rules no. 38/2012 about green building, The Contractors in the capital has been practicing to implement green construction in building construction. This is done by a contractor state-owned or private contractor. The purpose of this research is analyzing the application of green construction by state owned contractors who is not a member of green building council Indonesia. Collecting data which used in this research was questionnaire, observation, and documentation. The reference of indicators are from regulations, rating tools GBCI and models assessment green construction developed by Wulfram Ervianto. The Indicators are health program and occupational safety, environmental health work, air quality construction phase, election and operational construction phase, planning and scheduling construction equipment, documentation construction project, building & enviroment management, training for subcontractor, waste management, the source and cycle construction, material storage and protection, appropriate site development, reduction ecological footprint the project, protection plan, water conservation, and efficiency & energy conservation. The method of analysis data questionnare are descriptive analysis. The result of research is average value of the implementation of green construction by 85,08 % which means that green construction points of the indicators as a whole has taken and implemented by contractor. Keywords: Green Construction, Construction Phase, GBCI.
PENERAPAN MANAJEMEN RISIKO PADA PROYEK KONSTRUKSI GEDUNG (Studi Kasus Proyek Apartemen Apple 3 Condovilla – Jakarta Selatan) Muhammad Alfanny Setiawan; I Ketut Sucita; Bayu Sarwono
Construction and Material Journal Vol. 3 No. 3 (2021): Construction and Material Journal Vol. 3 No. 3 November 2021
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v3i3.4132

Abstract

The high complexity, the large workload, and the quite limited implementation time make apartment projects bound for uncertainty that poses various risks. Risk is a combination of the probability of an event and the consequences of the event, where the consequences that arise can be positive and negative and can affect the achievement of project targets. Therefore, it is necessary to conduct research in the form of identifying, assessing, analysing the risks that may occur in the project, and planning the responses of these risks. This research aims to find out how big the risks that occur in the project and the response to the dominant risks in the project. This research was descriptive and used qualitative risk analysis methods. Respondents in this research were directors, managers and engineers from the contractors, consultants and owners who are responsible for project implementation. Data were collected by distributing questionnaires and interviews.  The data analysis method used the severity index (SI) and the probability and impact matrix. The results of the analysis show that based on the 40 identified risks, when viewed from the cost aspect, there are 2 low risks, 17 moderate risks and 21 high risks. When viewed from the time aspect, there are 16 moderate risks and 24 high risks. When viewed from the quality aspect, there are 6 low risks, 25 moderate risks and 9 high risks. The risk responses are given to the dominant risks, namely those with a high category to the three aspects (Cost, Quality and Time), two aspects, or one aspect. Based on the 30 dominant risk variables, 16 risk variables were responded by reducing them, while the other 14 risk variables were responded by avoiding them. Keywords: Apartment Project, Risk Analysis, Risk Response.
PENGARUH KOMPETENSI PROJECT MANAGER TERHADAP KEBERHASILAN PROYEK KONSTRUKSI GEDUNG APARTEMEN X Nedya Sonelma; I Ketut Sucita
Construction and Material Journal Vol. 4 No. 1 (2022): Construction and Material Journal Vol. 4 No. 1 Maret 2022
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v4i1.4483

Abstract

One of the factors in achieving project success is influenced by the role of a project manager. Project managers (PM) as project leaders are required to have and fulfill the competencies needed to ensure the realization of project management, so that the project is said to be successful. The competency of a project manager according to the Guide to the Project Management Body of Knowledge (PMBOK® Guide) Sixth Edition (2017) can be measured by three aspects known as The PMI Talent Triangle which consists of Technical Project Management, Leadership Skills, and Strategic and Business Management. This research aims to identify the competence of a project manager whose dominant influence on the success of the project and determine the magnitude of the effect of the application of project manager competencies on the success of construction project. Data were collected through a survey using a questionnaire which was distributed to a total of 30 respondents who are employees of the project. Data analysis was performed by multivariate regression analysis. From the results of the analysis, the regression coefficient values for the Technical Project Management, Leadership Skill and Strategic and Business Management variables were 0.423, 0.097, and 0.437. From the results of the coefficient of determination test, it was found that the influence of project manager competencies on the success of building construction projects was 44%. Keywords: Competency, Construction, Project Manager, Success.
PEMBANDINGAN PELAKSANAAN PEKERJAAN PELAT LANTAI MENGGUNAKAN TULANGAN KROMO DENGAN TULANGAN DUA LAPIS DI TINJAU DARI ASPEK BIAYA DAN WAKTU I Ketut Sucita; Fikri Chairutomo
Jurnal Poli-Teknologi Vol. 11 No. 1 (2012)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (332.286 KB) | DOI: 10.32722/pt.v11i1.17

Abstract

In construction project, especially in building construction, slab structure work is one of the most expensive work componen t. Previously, most of slab structure work used kromo reinforcement. But, with knowledge development of earthquake and its difficulties, kromo reinforcement begin to be abandoned . One of the alternatives is replace that kromo reinforcement with two layer reinforcement. This two layer reinforcement system gives more choices for planner of construction to determine the correct reinforcement system in slab structure work to give the optimum result in term of cost and time aspects. Analysis of cost and time is done by structural analysis to obtain reinforcement kromo reinforcement. Furthermore, the calculation quantity of work that includes heavy reinforcement is installed, the number of bends, and the number of stem reinforcement. The time analysis is consist of cutting time, bending time and setting time. The unit price analysis is use time analysis data for workers salary component and SNI Standard unit price analysis for material cost component. Then, the result of cost analysis that contain of multiplication of unit price analysis and quantity for both of kromo and two layer reinforcement is being compared to determine the cost difference between kromo reinforcement and two layer reinforcement. Based on time analysis results, it is found that slab structure reinforcement working time with kromo reinforcement at 8th floor until 31st floor is 17,412 days. and 22,904 days for two layer reinforcement. Based on cost analysis results, it is found that cost of slab structure reinforcement at 8th floor until 31st floor with kromo reinforcement is Rp2.254.838.095,84 and Rp3.454.683.607,70 for two layer reinforcement. Keywords : kromo reinforcement, two layer reinforcement, time, cost ABSTRAK Pada pelaksanaan proyek konstruksi, khususnya konstruksi bangunan gedung, pekerjaan struktur pelat lantai merupakan salah satu komponen pekerjaan yang memerlukan biaya paling besar. Dahulu kebanyakan struktur pelat lantai menggunakan tulangan kromo. Namun, dengan berkembangnya pengetahuan mengenai gempa dan tingkat kesulitan pemasangan yang relatif tinggi sistem tulangan kromo mulai ditinggalkan. Salah satu alternatif yang dilakukan adalah mengganti tulangan kromo dengan tulangan dua lapis. Adanya dua sistem tulangan ini, dapat memberikan pilihan perencana konstruksi untuk menentukan sistem tulangan yang tepat dalam pekerjaan pelat lantai, sehingga mampu memberikan hasil yang optimal ditinjau dari segi biaya dan waktu. Analisis biaya dan waktu dilakukan dengan analisis struktur untuk mendapatkan tulangan kromo terpasang. Selanjutnya dilakukan perhitungan kuantitas pekerjaan yang meliputi berat tulangan terpasang, jumlah bengkokan, dan jumlah batang yang terpasang. Analisis waktu yang dilakukan meliputi waktu pemotongan, waktu pembengkokan, dan waktu pemasangan. Analisis harga satuan pekerjaan menggunakan analisis waktu untuk komponen upah tenaga kerja dan analisis harga satuan menggunakan standar SNI untuk komponen bahan. Hasil analisis terhadap waktu adalah 17 hari untuk tulangan kromo dan 23 hari untuk tulangan dua lapis. Dari aspek biaya diperoleh biaya pelaksanaan pembesian pelat lantai dengan tulangan kromo sebesar Rp 2.254.838.095,84. Sedangkan biaya pelaksanaan dengan tulangan dua lapis adalah Rp3.454.683.607,70. Kata kunci : tulangan kromo, tulangan dua lapis, waktu pelaksanaan, biaya pelaksanaan
ANALISIS PENYEBAB KETERLAMBATAN ARSITEKTUR PROYEK APARTEMEN DENGAN METODE FAULT TREE ANALYSIS Tasya Nabilah; I Ketut Sucita
Prokons: Jurnal Teknik Sipil Vol 16, No 2 (2022): Agustus 2022
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v16i2.379

Abstract

AbstractConstruction project work is one of the main sectors that are important in economic development. When the implementation of the project takes place, there are 3 important things that need to be taken into account, namely covering cost, time and quality. A project is declared successful when it has fulfilled these three things. Construction delays are considered one of the recurring obstacles in the construction industry and have an adverse effect on the success of the project. In the construction project Apartment 'X' experienced delays for architectural work with a deviation of -48.359% in February 2021. This study describes the delay in architectural work based on human factors, management factors and other factors. The purpose of the study was to determine the probability of delay with the Fault Tree Analysis (FTA) method.The priority of using the FTA method is to be able to analyze the causes of failures in a system in detail, structured and easy to understand. Data collection was carried out by distributing questionnaires as many as 19 project respondents who had met the research criteria. The results showed that the probability of delay for architectural work was 0.921 with the dominant factor being the human factor caused by repair and rework work with a probability of 0.309. That is, the possibility of delays in architectural work occurs because of the variables listed.Keywords: Fault Tree Analysis, Project Delays, Causes and Impacts of Delays
ANALYSIS OF IMPLEMENTATION SUPPLY CHAIN MANAGEMENT MATERIAL PROCUREMENT EFFECT ON CONSTRUCTION PROJECT PERFORMANCE Mayda Pahinggis; I Ketut Sucita
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 22 No. 2 (2022): July
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (627.259 KB) | DOI: 10.31940/logic.v22i2.89-96

Abstract

The implementation of material procurement supply chain management is very much needed by the construction industry to improve project performance. Supply chains can contribute to reduced costs, improve efficiency and improve the delivery of a material's final results promptly on time. So that it is expected to achieve the project objectives in accordance with the cost, quality and time. that had been planned. This research aims to determine the influence of the implementation of supply chain management of material procurement to the performance of construction projects and the biggest challenges in implementing supply chain management of material procurement. The analysis methods used in this study are descriptive methods and regression methods with quantitative approaches. Data collection techniques using a questionnaire and using a Likert scale. The number of respondents as many as 28 people selected from project employees with purposive sampling method. The results showed that the application of material procurement supply chain management characteristics had a positive and significant effect on the performance of construction projects by 39%. As well as the biggest factors that become challenges in implementing supply chain management of material procurement, namely the uncertainty of demand with an average of 2,797 and the smallest factor that becomes a challenge in implementing supply chain management of material procurement, namely internal uncertainty factor with an average of 2,202. Thus, from the results of the research, it is expected that the project can play a more active role in implementing supply chain management of material procurement to improve the performance of construction projects.
The Effect of Non-Excusable Delay Factors on The Completion of Building Construction Projects Alvin Dunaufal; I Ketut Sucita; Jonathan Saputra
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 23 No. 2 (2023): July
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v23i2.96-103

Abstract

A problem that often occurs in construction projects is the delay in the implementation process. Various factors cause the delay, but in developing countries such as Indonesia, the dominant delay occurs because the implementing contractor causes it for unforgivable reasons (non-excusable delay). This study aims to determine the influence of the non-excusable delay parameter and the relationship between these factors. The research is quantitative with data collection techniques in the form of unstructured interviews, field observations, and surveys using research questionnaires with the number of respondents obtained as many as 33 people consisting of the owner, construction management consultant, quantity surveyor consultant, and ends with confirmation of the results. Research on the implementing contractor. Data analysis was performed using multiple linear regression analysis. The test results of multiple linear regression analysis show that the non-excusable delay factor can significantly affect the completion of construction projects. The influence of each element is 0.434 units for the lack of contractor competence, 0.067 units for inappropriate implementation planning, and -0.097 for inefficient field management units. And simultaneously, these three factors can significantly increase the project delay value index.
Co-Authors Alvin Dunaufal Bagas Prawiro Dwiputranto Bayu Sarwono Bunga Islami Fortuna Fikri Chairutomo Gita Ambarwati Wijaya Mayda Pahinggis Muhammad Alfanny Setiawan Mutia Hanuun Ufaira Akbar Narisa Adistianti Nedya Sonelma Rizal, Rikki Sofyan Saputra, Jonathan Tasya Nabilah Yanuarini, Erlina