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Contact Name
Purwanto
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INDONESIA
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil
ISSN : 30315069     EISSN : 30314089     DOI : 10.61132
research journal of the Engineering Science Clump. The fields of study in this journal include the sub-groups of Civil Engineering and Spatial Planning, Industrial Engineering, Electrical and Computer Engineering, Earth and Marine Engineering
Articles 90 Documents
Analisis Kepuasan Subkontraktor Terhadap Pelayanan Dan Fasilitas Pengadaan Jasa Divisi Supply Chain PT X Naomi R. Sidabutar; Hafid Syaifullah
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 1 (2024): Januari: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik S
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i1.66

Abstract

PT X is a company engaged in producing ships. PT In the research, a validity test was carried out to determine whether the questions given did not produce deviant (valid) data as measured by the Pearson correlation. Then, this research also carried out a reliability test to determine whether the measuring instrument remained consistent if the measurement was carried out twice or more using the Cronbach's Alpha (a) formula. From the research data, valid variables were obtained, including; Friendliness, Good communication, Willingness and readiness, Efforts to establish good relationships, Easy to contact, Cleanliness of the room, The room is not noisy, Quick service, Bright room light, Does not discriminate between subcontractors, Quick approval of offers, Fast issuance of contracts, Comfortable room, and Accuracy Employee. In this research, all variables were found to be valid, so the next step that must be taken is to carry out reliability calculations because the variables in the questionnaire are valid. From the results of reliability calculations, the Cronbach's Alpha value > significance level value is 0.770 > 0.6, so the instrument is said to be reliable. From the research obtained with IBM SPSS software, it is useful for carrying out validity and reliability tests in analyzing the level of subcontractor satisfaction with facilities and services in the Procurement Services Division of PT X's Supply Chain clearly and optimally.
Analisis Sistem Antrian Jasa Pengujian di Laboratorium XYZ Dengan Menggunakan Software Arena Fajrina R. Izzati; Hafid Syaifullah
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 1 (2024): Januari: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik S
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i1.67

Abstract

The problem in the industrial sector that is often encountered is the problem of queuing. Queues occur when there is an imbalance between services and services offered, causing consumers to wait to get service. Laboratory queue simulation using Arena software. This research was carried out with the aim of analyzing the queuing conditions that occurred during the material A testing process at the XYZ Laboratory through simulation using Arena software. After carrying out a simulation with the Arena software, it was discovered that there were no queues for the material A testing queue activity at the XYZ Laboratory. From the results of the simulation data processing for material A testing queues in the XYZ laboratory, there are no queues and service times are optimal, so there is no need for corrective solutions. Based on the results of verification and validation, H0 is accepted because the value 0 is in the range μ1 – μ2 so it can be said to be valid. This states that the total time in the real situation (real system) is not significantly different from the output results in the Arena simulation that has been created.
Optimalisasi Proses Administrasi Dan Pengelolaan Fasilitas Serta Permintaan Barang PT XYZ Dengan Metode WBS (Work Breakdown Structure) Muhammad Sandi Kurniawan; Joumil Aidil SZS
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 1 (2024): Januari: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik S
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i1.71

Abstract

Administrative process optimization is a systematic effort to improve efficiency, productivity, and quality in the execution of administrative tasks within the company, while facilities management and demand for goods and logistics focus on improving operational efficiency and effectiveness, which will apply the WBS method to decompose complex tasks into more manageable components. This analysis is expected to increase visibility, engagement, and understanding of each stage in the administrative, facilities management, and logistics management processes, enabling more targeted and impactful change implementation. Overall, this research is geared towards achieving improved performance and efficiency at PT XYZ through the application of WBS methodology in the context of the company's administration and logistics.
Optimalisasi Produksi: Berkelanjutan, Efisien, dan Ramah Lingkungan dengan Penerapan Total Productive Maintenance (TPM) menuju Era Green Building (Studi Kasus: Perusahaan Daur Ulang Plastik PT XYZ) Mohammad Shodiq Wahyu Riamto; Rusindiyanto Rusindiyanto
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 1 (2024): Januari: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik S
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i1.111

Abstract

The industrial revolution today is not only oriented towards quality results and cutting-edge technology such as the industrial revolution 4.0. Today's industry is developing by implementing the concept of green building or green industry. Green industry is a concept and idea that an industry no longer only takes into account the advantages and benefits for its company, but also needs to pay attention to the level of efficient use of natural resources and energy sources and minimize the impact of the production process which is felt by the surrounding community and has a negative impact on the environment. , PT XYZ is one of the companies engaged in integrated plastic recycling in the world which processes plastic waste into quality and environmentally friendly products. In order to move towards a green building era that applies efficiency and effectiveness standards for a work system, PT XYZ will plan to determine the effectiveness value of a sustainable production line using the Total Productive Maintenance (TPM) theory. To measure the effectiveness value of a sustainable production process in TPM, the OLE (Overall Line Effectiveness) measurement method can be used. OLE is a tool for measuring the effectiveness of the production process, a modification of the OEE tool which is specifically for determining the value of process effectiveness in sustainable production. From the TPM measurement results, a production line effectiveness value using the OLE method was obtained of 91.7% during September 2023.
Kritik Desain Bangunan Dalam Novel Born From A Wish Karya Mertha Sanjaya Riris Saniyati; Wastari Latifah Tyas R.; Eva Dwi Kurniawan
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 1 (2024): Januari: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik S
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i1.113

Abstract

This research examines the architectural side of the novel Born From A Wish by Mertha Sanjaya. The aim of this research is to present the results of criticism of the building designs contained in the novel. The method used is a qualitative method with a descriptive approach. From this research, conclusions were drawn in the form of aesthetic aspects, lighting and furniture arrangement in a building as contained in the excerpt from the novel Born From A Wish by Mertha Sanjaya.
Kritik Arsitektur Dalam Cerpen “Arsitektur Kesunyian” Karya Sungging Raga Ainun Tenri Milinia Putri; Dea Mustika; Eva Dwi Kurniawan
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 1 (2024): Januari: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik S
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i1.156

Abstract

Architectural criticism is not only used on physical buildings but can also be found in literary works, one of which is in the short story entitled Architecture of Silence by Sunggung Raga. The aim of this research is to find architectural criticism contained in short stories using descriptive methods which is a way of solving problems using analyze and read carefully the architectural aspects contained in the short story. Take several short story quotes and explain them into aspects of descriptive criticism, namely static, dynamic and process aspects
Analisis Faktor Penunjang Keberhasilan Proyek Konstruksi Gedung Buddhi Dharma Yadi Asso
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 1 (2024): Januari: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik S
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i1.176

Abstract

Project success is the ultimate goal of every project. The difference in the success factors (Buddhi Dharma Building construction project) projects are due to each project having different influencing factors. Therefore, each party involved must have a certain strategy for the success of the project, namely knowing the most influential factors on the success (success) of the construction implementation. This researcher aims to identify the factors that support the success (Buddhi Dharma Building Construction project) Construction project in the southern Banten city of Tangerang. The research method used is descriptive analysis using a questionnaire with data on construction projects that are currently or have been done. Or the respondents are the main director, project manager, site manager, implementation, technical staff, quantity and quality control. From the returning quisoner, the data was tested using SPSS. There are 30 questionnaires distributed. The response rate is 100%. From the research data there are 4 factors with sub factors / variables. These 4 factors are project management factors, cost, time, quality of work, work safety. The results of the validation test, obtained 4 factors and 7 valid variables. The results of the reliability test, all valid factors are also reliable. From data analysis with SPSS version, 2.4, the most dominant factors on construction costs are: for project management, the plans and schedules used, affecting of project management factors, the most dominant sub-factor is the implementation schedule is not in accordance with schedule, which is of the time, the most dominant sub-factor is the project bidding method, which is 4.7. Equipment factor, the most dominant sub-factor is the monitoring and planning capacity used, which is The results of this researcher are later expected to be taken into consideration for all parties involved in the implementation of construction projects in order to achieve project success.
Kinerja Simpang Tiga Tak Bersinyal Bukit Siguntang (Jalan Srijaya Negara- Jalan Demang Lebar Daun) Palembang Arief Aszharri
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 1 No. 4 (2023): Oktober : Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v1i4.188

Abstract

One of the intersections in the city of Palembang is the Three-way Intersection of Bukit Siguntang, which is a signal-free intersection. This intersection is located in an educational and residential area, connecting Srijaya Negara Street and Demang Lebar Daun Street. The road has a very high volume of vehicles, with traffic flows reaching 45,208 vehicles on Sundays or holidays, 82,124 vehicles on Mondays, and 80,379 vehicles on Wednesdays. Among these three days, Monday is the busiest day with a vehicle count of 84,364. The intersection's performance is evaluated by examining the capacity levels at each approach. The Three-way Intersection of Bukit Siguntang shows a degree of saturation (DS) above 0.85 on all approaches, indicating that the road capacity has reached a saturation level resulting in a service level of D for the intersection, with an average intersection delay of 34.27 seconds/vehicle. To enhance the intersection capacity, several alternatives can be implemented, including road geometric widening and changing the traffic flow policy from two-way single lane to one-way single lane. Simulation of the capacity improvement for the intersection with both alternatives indicates that road geometric widening results in a delay of 24.58 seconds/vehicle, falling within the service level C for the intersection. Meanwhile, changing the traffic flow policy from two-way single lane to one-way single lane results in a delay of 17.39 seconds/vehicle, also falling within the service level C for the intersection.
Pemanfaatan Limbah Serat Plastik PET Terhadap Kuat Tekan Beton Renaldi Renaldi; Jasman Jasman; Adnan Adnan
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 2 (2024): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i2.207

Abstract

The public greatly anticipates using plastic trash to increase the compressive strength of concrete blocks so they can change form and stop polluting the environment. The purpose of this study is to ascertain how adding PET plastic trash to concrete affects its compressive strengths. Experimental techniques were used in this investigation, including in-lab tests. Afterwards, testing processes in the lab were used to assess the research results. The compressive strength of normal concrete has a value of 25 MPa which reaches the design compressive strength value, while the concrete variation of 1% PET plastic is 23 MPa, 2% PET plastic is 21 MPa, and 3% PET plastic is 19 MPa which does not reach the compressive strength value. plan. This shows that PET plastic waste mixed with concrete results in a decrease in the compressive strength of concrete from normal concrete.
Kajian Experiment Penggunaan Agregat Kasar Pada Campuran Aspal Dingin Cold Mix Lastbutag AC-WC Suaib Syaifullah; Adnan Adnan; Hendro Widarto
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 2 (2024): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i2.208

Abstract

Cold mix asphalt mix lastbutag wear layer can improve road pavement, controlling the quality of road construction work from each stage of activity is very necessary to control the quality of road work, because the success of road work cannot be separated from the quality of the work results. This research aims to determine the characteristics and influence of aggregates on cold mix asphalt lastbutag wear layers. This research method uses experimental methods at the Road and Asphalt Laboratory, Faculty of Engineering, Muhammadiyah University, Parepare, in August-September 2023. The results of the visualization analysis show that the stability of 4.5% asphalt is 1345.95 kg, VMA of 6.5% asphalt is 17.69%, VIM of asphalt 4.5% was 6.59%, 6.5% VFB asphalt was 77.99%, 6.5% asphalt flow was 3.99 mm, 5% asphalt MQ was 718.06 mm/kg. The characteristic values obtained through marshall testing with the optimum asphalt content results obtained were 5.275%, and the use of aggregate in the AC-WC Lastbutag Cold Mix Asphalt Mix has met the 2018 General Bina Marga Specifications and is suitable for use in AC-WC asphalt concrete mixtures.