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All Journal Semesta Teknika Jurnal Pemberdayaan: Publikasi Hasil Pengabdian Kepada Masyarakat
Mandiyo Priyo, Mandiyo
Universitas Muhammadiyah Yogyakarta
Arts Humanities Education Engineering Environmental Science Languange, Linguistic, Communication & Media Social Sciences Other

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Journal : Semesta Teknika

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Aplikasi Metode Nilai Hasil (Earned Value Method) pada Sistem Pengendalian Proyek Pujihastuti, Siti Yuliani; Priyo, Mandiyo
Jurnal Semesta Teknika Vol 15, No 2 (2012): NOVEMBER 2012
Publisher : Jurnal Semesta Teknika

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Abstract

In a project implementation, the project implementer wants the project completed on time as efficient as possible while the produced quality is in accordance with the initial plan. Therefore, in order to meet the requirements for controlling process and to minimize any deviations that can occur during the project, the earned value method is considered accurate. The aim of this study was to identify the final result of the project which will be achieved in the aspect of cost (whether the project experience gains, losses, or within budget) and time (whether the project is delayed, ended early, or on time as scheduled). The study was conducted on the 4th, 8th, 12th, 16th, and 20th weeks by using the earned value. Earned Value Method, or often called the Concept of Earned Value, is the concept of calculating project costs in accordance with the budget and the scope of job which have been completed or implemented (budgeted cost of works performed). This method combines the cost, schedule, and work performance of a project. Therefore, this method is considered effective in monitoring and controlling project activities.
Studi Kelayakan Investasi Proyek Perumahan pada Proyek Pembangunan Perumahan Aura Tirta Graha Banjarnegara Priyo, Mandiyo
Jurnal Semesta Teknika Vol 15, No 2 (2012): NOVEMBER 2012
Publisher : Jurnal Semesta Teknika

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Abstract

The aim of this study is to evaluate the cash flow and the feasibility of the building investment project of Perumahan Aura Tirta Graha Banjarnegara. The data used in this study were collected from the contractor. The collected data were classified into two groups: primary and secondary data. The primary data cover the direct detailed examination of the research objectives. The data were collected by doing interview and observation. On the other hand, the secondary data were the historic data dealing with the plan and implementation of the project. In this study, there were several methods carried out in measuring the criterion of investment feasibility, i.e.: Break Event Point (BEP), Net Present Value (NPV), Internal Rate of Return (IRR), Payback Period (PP), and Profitability Index (PI).  Evaluation results show that every method demonstrated various performance of the investment appropriateness. From the analysis, it can be concluded that the development plan of Perumahan Aura Tirta Graha Banjarnegara has been carefully analyzed and properly implemented.
Aplikasi Value Engineering pada Proyek Konstruksi (Studi Kasus: Proyek Pembangunan Gedung BPKP Yogyakarta) Priyo, Mandiyo; Hermawan, Totok Dwi
Jurnal Semesta Teknika Vol 13, No 2 (2010): NOVEMBER 2010
Publisher : Jurnal Semesta Teknika

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Abstract

Construction of a building project or the others structures needs cost, so that the project can be realized. Before an owner continues the project to the design or construction steps, the cost must be provided. The cost often becomes a problem because amount of the cost is limited to realize a construction project. The objective of this study is to select good alternative materials without declining the quality and function of the building as well as to find the value of cost efficiency on the Project of the BPK’s Office Building Construction of Yogyakarta by Value Engineering method. Value Engineering is a management thenique with systematic approach for finding the balance among cost, reliability, and performance of a product or a project. The study on the Project of the BPKP’s Office Building Construction of Yogyakarta was done on the structure work only, namely: plate, beam, column and sloof works with giving alternative materials for getting the best alternative by work plan of Value Engineering. The Value Engineering method was applied on structure components by systematic and creative approach trough work plan of Value Engineering using the following steps: an information, functional analysis, creative, development, writing and presentation steps. All steps were done continuesly and the result was expected giving efficiency from the previous design. From the application of Value Engineering, it is concluded that the cost efficiency is about 2.53% of total cost of structure work by application.
Analisis Kinerja Kontraktor yang Menerapkan Sistem Manajemen Mutu ISO-9000 Priyo, Mandiyo
Jurnal Semesta Teknika Vol 12, No 1 (2009): MEI 2009
Publisher : Jurnal Semesta Teknika

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Abstract

The growth in the implementation of quality management system standard as an instrument to win global market competition and to improve product and service quality has affected not only manufacturing industries but also construction industries. One of the standards that is most widely implemented by companies or organizations in quality management system may be the ISO 9000. It should be noted that the ISO 9000 is not a standard for products or services, but it is a standard for quality management system employed in their production process. The objective of this research is to study the implementation of the ISO 9000 standard by the PT. Wijaya Karya Beton that has adopted the ISO 9000 for its quality management system standard. In addition, the criteria for evaluating its performance have also been identified. This criterion includes written procedure and its consistent implementation, as well as the measurement of the implementation result of its operation process flow and working procedures. This research was carried out by means of performance measurement, i.e. qualitatively by employing questionnaire, scoring and measurement on productivity and targeted quality achievement such as rework rate and reject rate. The data were collected by observation, extraction from the internal and external quality audit report, as well as daily-, weekly- and monthly reports on the pile production. The effect of company’s performance that employs the ISO 9000 standard (qualitative measurement) on the productivity, rework rate and reject rate (quantitative measurement) were analysed using Pearson’s Product Moment correlation analysis technique. The result reveals that the qualitative measurement resulted in continuous performance improvement, so did the quantitative measurement. It showed that these two measurement methods tends to be in a good agreement. A general conclusion that can be drawn is that the ISO 9000 has been properly implemented in the PT. Wijaya Karya Beton.
Analisis Kelayakan Investasi Asphalt Mixing Plant (Studi Kasus: PT Perwita Karya di Base Camp Piyungan, Bantul) Priyo, Mandiyo; Gunawan, Aditya
Jurnal Semesta Teknika Vol 12, No 2 (2009): NOVEMBER 2009
Publisher : Jurnal Semesta Teknika

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Abstract

The construction sector has contributed an important role in the development, especially in Yogyakarta Special Region. To implement this role, the construction sector is in front of the challenge to present the excellent quality of their construction works. This condition is able to initiate the opportunities for private industries to invest in this sector whether it is expansion or diversification. As similar with other investment projects, financial feasibility analysis in civil construction sector is becoming a main consideration in the investment plan. This paper presents the application of financial feasibility analysis on the development plan of the asphalt mixing plant. Financial analyses used in this study were Rate of Return on Investment (TPI), Return on Equity (TPMS), Break Event Point (BEP) and Net Present Value (NPV). A case study of Asphalt Mixing Plant investment plan owned by PT. Perwita Works which is located in Piyungan District, Bantul, Yogyakarta was considered in this study. From the results, it shows that TPMS value of AMP investment plan was found to be 3.575 which indicate that the investment is profitable. Break Event Point (BEP) in year of 1992 reached over 8 months with the total revenue and NPV value of IDR 6,190,445,178.00 and IDR 7,144,013,903.00, respectively. It means that the investment can be paid back and the company receives the profit of IDR 7,144,013,903.00.
Aplikasi Metode Work Study pada Proyek Konstruksi (Studi Kasus Rusunawa LANUD TNI AU Adi Sutjipto Yogyakarta) Priyo, Mandiyo; Nasrudin, Gayuh Agus
Jurnal Semesta Teknika Vol 17, No 1 (2014): MEI 2014
Publisher : Jurnal Semesta Teknika

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Abstract

Work study method is one of the management approach that use for study about the productivity of workers. Work study can be applied in many cases, one of which is the construction of Rusunawa TNI AU Lanud Adi Sutjipto Yogyakarta. Chosen plant project Rusunawa TNI AU Lanud Adi Sutjipto Yogyakarta because this project uses a system of precast concrete in construction. Precast concrete systems is still quite rarely used in Yogyakarta so that this is makes the researchers reviewed the project to study the case. This study aimed to compare the time between installation plan (time schedule) and the actual installation time also to know the time clean installation of structural elements. In addition, this study also aims to determine the cost of erection of a single structural element. This study utilizes the basic time data by consider relaxation allowance and contingences for the purpose to eliminate subjectivity in assessing both. Basic recording time is using a stopwatch. Whereas the standard time value can be from basic time coupled with relaxation allowance and contingences. The results of this study have shown that the value of the standard time for the installation of columns, beams and plates is 13.63163 minutes; 8.505156 minutes; 8.465704 minutes. Obtained also the cost of erection of columns, beams and slabs of Rp 24629.96; Rp 15710.91; Rp 15710.91.
Studi Optimasi Waktu dan Biaya dengan Metode Time Cost Trade Off pada Proyek Konstruksi Pembangunan Gedung Olah Raga (Gor) Priyo, Mandiyo; Paridi, Meiki Risa Anggriani
Semesta Teknika Vol 21, No 1 (2018): MEI 2018
Publisher : Semesta Teknika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/st.211213

Abstract

Cost and time analysis are most important on the contruction project. Optimal Time and minimal cost become standart to make profit benchmarks on a project. Therefore, it is necessary to optimize the cost and time by looking for work items that are included in the critical path. The purpose of this study is to know the change of cost and time due to the addition of working time, change of cost and time due to the addition of employee, as well as cost that needed if the projects experienced delays and penalty.. So it will be compared from all three to get the minimum cost with the optimum duration.The data used in this study is secondary data obtained from contractor implementing. Data analysis using time cost trade off method with microsoft project 2010 program. The results of the study, From the time cost trade off with the addition of 1 hours of work per day conducted on first day on critical jobs during the project, obtained the reduction in the cost of Rp 39,552,394,71 and the reduction in the duration of 36.18 days. Addition of 2 hours of work per day obtained the reduction in the cost of Rp 57,532,834.66 and and the reduction in the duration of 62.61 days. Addition of 3 hours of work per day obtained the reduction in the cost of Rp 69,392,147,01 and and the reduction in the duration of 82.48 days. Meanwhile, for the addition of employee for 1 hours obtained the reduction in the cost of Rp 52.497.085,35 and the reduction in the duration of 36.18 days. Addition of employee for 2 hours obtained the reduction in the cost of Rp 91,349,394.80 and the reduction in the duration of 62.61 days. Addition of employee for 3 hours obtained the reduction in the cost of Rp 120,645,301,55 and the reduction in the duration of 82,48 days. So that, the optimal time and cost occur when addition employee is incurred for 3 hours, compared to overtime and overdue. Namely with the optimal cost of the project of Rp 2,418,408,305.45 and the optimal duration of the project for 57.52 days.
Analisis Kinerja Kontraktor yang Menerapkan Sistem Manajemen Mutu ISO-9000 Priyo, Mandiyo
Semesta Teknika Vol 12, No 1 (2009): MEI 2009
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/st.v12i1.750

Abstract

The growth in the implementation of quality management system standard as an instrument to win global market competition and to improve product and service quality has affected not only manufacturing industries but also construction industries. One of the standards that is most widely implemented by companies or organizations in quality management system may be the ISO 9000. It should be noted that the ISO 9000 is not a standard for products or services, but it is a standard for quality management system employed in their production process. The objective of this research is to study the implementation of the ISO 9000 standard by the PT. Wijaya Karya Beton that has adopted the ISO 9000 for its quality management system standard. In addition, the criteria for evaluating its performance have also been identified. This criterion includes written procedure and its consistent implementation, as well as the measurement of the implementation result of its operation process flow and working procedures. This research was carried out by means of performance measurement, i.e. qualitatively by employing questionnaire, scoring and measurement on productivity and targeted quality achievement such as rework rate and reject rate. The data were collected by observation, extraction from the internal and external quality audit report, as well as daily-, weekly- and monthly reports on the pile production. The effect of company’s performance that employs the ISO 9000 standard (qualitative measurement) on the productivity, rework rate and reject rate (quantitative measurement) were analysed using Pearson’s Product Moment correlation analysis technique. The result reveals that the qualitative measurement resulted in continuous performance improvement, so did the quantitative measurement. It showed that these two measurement methods tends to be in a good agreement. A general conclusion that can be drawn is that the ISO 9000 has been properly implemented in the PT. Wijaya Karya Beton.
Analisis Waktu Pelaksanaan Proyek Konstruksi dengan Variasi Penambahan Jam Kerja Priyo, Mandiyo; Sartika, Sartika
Semesta Teknika Vol 17, No 2 (2014): NOVEMBER 2014
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/st.v17i2.417

Abstract

Time and cost greatly affect the success and failure of a project. Measure of the success of a project is usually seen short turnaround time at minimal cost without leaving the quality of result. Systematic project management is required to ensure the project implementation time in accordance with the contract or even faster that the cost could provide benefits. And also avoid any penalties due to delays in project completion. Purpose of this study is to calculate the change of cost and time of implementation project with variations additional hours of 1 hour to 4 hours of overtime by using microsoft project programs. And to compare the results between the cost of fines with changes in costs before and after the addition of working hours (overtime). The results of this study have shown that (1) The minimum project cost was obtained at the time of normal conditions without the addition of overtime hours Rp 25,923,636,641.50 while for the minimum time the project was obtained on the addition of 4 hours is 197.84 days of normal duration of 217 days with the addition of cost of Rp 215,838,008.94 from the normal total cost of Rp. 25,923,636,641.50 to Rp 26,139,474,650.44 (2) Additional hours worked best option is additional three hours of work, in this condition the costs Rp 139,469,427.19 with profits generated Rp 327 156 .032,35.
Studi Kelayakan Investasi Proyek Perumahan pada Proyek Pembangunan Perumahan Aura Tirta Graha Banjarnegara Priyo, Mandiyo
Semesta Teknika Vol 15, No 2 (2012): NOVEMBER 2012
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/st.v15i2.1324

Abstract

The aim of this study is to evaluate the cash flow and the feasibility of the building investment project of Perumahan Aura Tirta Graha Banjarnegara. The data used in this study were collected from the contractor. The collected data were classified into two groups: primary and secondary data. The primary data cover the direct detailed examination of the research objectives. The data were collected by doing interview and observation. On the other hand, the secondary data were the historic data dealing with the plan and implementation of the project. In this study, there were several methods carried out in measuring the criterion of investment feasibility, i.e.: Break Event Point (BEP), Net Present Value (NPV), Internal Rate of Return (IRR), Payback Period (PP), and Profitability Index (PI).  Evaluation results show that every method demonstrated various performance of the investment appropriateness. From the analysis, it can be concluded that the development plan of Perumahan Aura Tirta Graha Banjarnegara has been carefully analyzed and properly implemented.
Co-Authors Aditya Gunawan, Aditya Alpriandi, Mulya Anita Widianti Gayuh Agus Nasrudin, Gayuh Agus Paridi, Meiki Risa Anggriani Prasetio, Eka Sartika Sartika Siti Yuliani Pujihastuti, Siti Yuliani Totok Dwi Hermawan, Totok Dwi