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APLIKASI RANTAI PASOK: PENGADAAN MATERIAL KONSTRUKSI ANTAR PULAU Nur Sholeh, Moh; Wibowo, M. Agung
Proceeding SENDI_U 2015: SEMINAR NASIONAL MULTI DISIPLIN DAN CALL FOR PAPERS
Publisher : Proceeding SENDI_U

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Luas wilayah laut Indonesia yang mencapai 80% daripada daratan membuat kesulitan dalam haldistribusi material untuk industri konstruksi antar pulau. Sebagian besar pemasok materialkonstruksi berada di Pulau Jawa sedangkan pembangunan harus merata di seluruh wilayahIndonesia. Diperlukan strategi rantai pasok dari setiap pembangunan di seluruh Indonesia agardapat mengelola pengadaan material dengan baik. Rantai pasok merupakan jaringan perusahaanyang secara bersama-sama bekerja untuk menciptakan dan menghantarkan suatu produk kepemakai. Seperti diketahui bahwa terjadi perbedaan harga material konstruksi yang cukupsignifikan antara satu pulau dengan pulau lain. Misalnya material semen, harga semen di PulauJawa lebih murah jika dibandingkan dengan Pulau Papua. Hal ini dikarenakan biaya angkutnyayang mahal. Oleh karena itu konsep rantai pasok dengan mengoptimalkan pelabuhan harusdiaplikasikan untuk mereduksi harga yang terlalu tinggi tersebut. Hasil aplikasi rantai pasok iniadalah efektifitas waktu pengadaan material, mutu material, dan biaya yang lebih murah.Kata kunci : rantai pasok, pengadaan material, semen, antar pulau

PENGEMBANGAN PROSES BELAJAR MENGAJAR MELALUI SIMULASI DAN MODUL AJAR INTERAKTIF DALAM CD ROM PADA MATA KULIAH ASPEK HUKUM PEMBANGUNAN Wibowo, M. Agung
TEKNIK Volume 29, Nomor 3, Tahun 2008
Publisher : Diponegoro University

Learning Process Needs Improvement On The Way To Deliver The Subjects To The Students. This IsBecause The Aspect Surounding The Subjects Or The Material Are Keep Changing Inherent With TheDynamic Social And Economic Change Of The Society.There Are Many Types Of How To Deliver The Subjects To The Students. It Can Start From SeminarThrough Discussion. Among All Of Types, Simulation Is One Of The Types Where The Students CouldParticipate Actively To Act As Person On The Real Industry.The Simulation Method Is Chosen To Deliver A Subjet Of Construction Law Including A ProcurementProcess To The Students. On The Procurement Method Especially For Government Goods And Services,There Are Many Aspects That The Student Should Know. However, Many Terms Are Not Easily FiguredOut On Some Occasion During Tender And Bidding Phase. By Doing Simulation, The Student Could ActAs Person Who Incharge On Tender And Bidding Process Whether As The Committee Or As TheContractor, Consultant And Supplier.A Modul Was Developed As Well As A Studentâ€™s Guidance. This Modul Was Based On Some EmpiricalInvestigation And Previous Literature Review On The Construction Law Especially On The ProcurementMethod.

Pengaruh Faktor Pengembangan Sumber Daya Manusia terhadap Komitmen dan Kinerja pada Manajer Proyek Konstruksi Sahadi, Sahadi; Wibowo, M. Agung
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 19, Nomor 1, JULI 2013
Publisher : Department of Civil Engineering, Diponegoro University

This study aims to find out the influence of human resources development factor on the performance of construction managers through their commitment using the structural equation modeling (SEM) approach. The results of study indicate that leadership, organization climate, organization culture, communication climate, trust, work motivation, work experience, reward/salary, and work satisfaction have a positive influence on the commitment and performance of construction project manager and the commitment also has a positive influence on these managers. Among the variables that have dominant influence on the commitment and performance of construction project managers is the reward, in the sequence where work satisfaction and leadership influence the commitment, which in turn influence the reward, andÂ finally, commitment and work experience work in tandem to influence the performance.

Analisis Perbandingan Kontrak Tradisional dan Kontrak Berbasis Kinerja (KBK) Berdasarkan Risiko Persepsi Kontraktor dengan Metode Analytical Hierarchy Process (AHP) Fauziyah, Shifa; Wibowo, M. Agung; Suliantoro, Hery
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 22, Nomor 1, JULI 2016
Publisher : Department of Civil Engineering, Diponegoro University

Two types of contracts that are used in the road project is a traditional contract (Unit Price) and performance based contract (Lump Sum). Both types of contracts have their own risks. Therefore, it is necessary to measure which type of contracts is more risky between traditional contract and performance-based contract from the perspective of the contractor using Analytical Hierarchy Process. Analytical Hierarchy Process (AHP) is a method used to find a weight where the intensity of the risks using traditional contract and performance-based contract can be measured and analyzed. This research took sample for project with a traditional contract is Kendal â€“ Semarang Road Project. While the samples for the project with a performance based contract is Semarang â€“ Bawen Road Project. The results of the calculation by the alternative assessment, are the higher rank is performance based contract which is 0.56 (56%), while traditional contract is the second with the total score 0.44 (44%). The mean is performance based contract more risky than traditional contract from the perspective of the contractor.

Pengaruh Faktor Motivasi dan Kepercayaan terhadap Kinerja melalui Komitmen pada Manajer Proyek Kontruksi dengan Pendekatan Structural Equation Modeling Sahadi, Sahadi; Wibowo, M. Agung
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 19, Nomor 2, DESEMBER 2013
Publisher : Department of Civil Engineering, Diponegoro University

The aim of this research is to analyze the effects of motivation and trust on performance through the commitment of construction project managers by using Structural Equation Modeling (SEM) approach. The result of this research shows that motivation, trust, commitment, and performance are valid and reliable latent variables. Goodness of fit model resulted is fit, or the model is relevant to the data. Motivation and trust has positive effects on commitment and commitment has positive effects on performance.

Faktor-faktor Berpengaruh Terhadap Kinerja Manajer Proyek Konstruksi dengan Pendekatan Structural Equation Modeling Sahadi, Sahadi; Wibowo, M. Agung
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 18, Nomor 1, PEBRUARI 2010
Publisher : Department of Civil Engineering, Diponegoro University

All activities depend on the human resources who carry out those activities. Therefore, attention and amphasis on the development of human resources are a strategic and an urgent need. There are several resources that must be controlled by a contractors, which include the human resources, and they play the most important role among other resources because all the aspects of construction activity and the use of other resources is always controlled by humans such as the use of financial, material, aquipment and work method resources, and so on. This study aims to find out the influence of leadership, organization climate, organization culture, communication climate, trust, work motivation, work experience, reward/salary, and work satisfaction on the performance of construction project managers using structural equation modeling (SEM) approach. The result of study indicate that relationship, organization climate, organization culture, communication climate, trust, work motivation, work experience, reward/salary and work satisfaction have a positive influence on the performance. Variables that have dominant influence on the performance of construction project managers are reward and work experience. Keywords : Performance of project managers, Leadership, Organization culture, Work motivation, SEM. Â Abstrak Â Segala aktifitas tergantung dari sumber daya manusia yang melaksanakan, untuk itu perhatian dan peneanan terhadap pengembangan sumber daya manusia merupakan hal yang stategis dan mendesak. Beberapa sumber daya yang harus dikelola oleh kontraktor, sumber daya manusia adalah sumber daya yang mempunyai peran paling besar karena setiap bagian kegiatan konstruksi atau penggunaan-penggunaan sumber daya lain akan selalu dikendalikan oleh manusia, misalnya penggunaan sumber daya keuangan, sumber daya material, sumber daya peralatan, penggunaan metode kerja dan seterusnya. Tujuan penelitian ini adalah untuk mengetahui pengaruh kepemimpinan, iklim organisasi, budaya organisasi, iklim komunikasi, kepercayaan, motivasi kerja, pengalaman kerja, imbalan/gaji, dan kepuasan terhadap kinerja pada manajer proyek kostruksi dengan pendekatan structural equation modeling (SEM). Hasil penelitian menunjukkan bahwa kepemimpinan, iklim organisasi, budaya organisasi, iklim komunikasi, kepercayaan, motivasi kerja, pengalaman kerja, imbalan/gaji, dan kepuasan berpengaruh positif terhadap kinerja. Sedangkan variable yang berpengaruh dominan terhadap kinerja manajer proyek konstruksi adalah imbalan dan pengalaman kerja. Kata-kata Kunci : Kinerja manajer proyek, kepemimpinan budaya organisasi, motivasi kerja, SEM.

Aplikasi Manajemen Risiko pada Pembangunan Sistem Penyediaan Air Minum (SPAM) Regional Jawa Tengah (Studi Kasus pada Pembangunan Jaringan Transmisi SPAM Regional Bregas) Septiani, Hernoni; Wibowo, M. Agung; Syafrudin, Syafrudin
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 21, Nomor 2, DESEMBER 2015
Publisher : Department of Civil Engineering, Diponegoro University

The increasing need for drinking water and undistributed raw water source needs solution with SPAM, Central Java Region. One of it is SPAM Bregas Region which the service locations are in Brebes Districts, Tegal City, and Tegal District. In the process of the transmission network development, there come some risks that hamper so that it needs for further research. This research aims to identify risks, analyze the amount of risk probability and give policy recommendations. The responden of study are government agencies as providers the transmission pipelines development projects of Bregas Regional SPAM, also the supervision consultants and contractors as a service providers. The method used is to spread the questionnaire to each stakeholder for structuring the risk of using RBS (Risk Breakdown Structure) and multiplying the value of the impact and frequency to obtain the value of the level of risk for each risk factor. The results showed the risks that happened in transmission network development in Bregas Regional SPAM are different from each stakeholder. Risks from perception of the supervising consultant 21.95% is accepted, 18.29% mitigated, and 59.76% avoided. Risk from owner perseption 32.93% is accepted, 23.17% mitigated, and 43.90% avoided. Rizks from contractor perseption 23.17% is accepted, 29.27 mitigated, and 47.56% avoided. Overall stakeholderâ€™s biggest risk is land acquisition.

Pengaruh Model Change Order pada Kehilangan Produktivitas dan Performa Proyek KOnstruksi Jalan dari Perspektif System Teori Sulistio, Hendrik; Wibowo, M. Agung
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 17, Nomor 3, OKTOBER 2009
Publisher : Department of Civil Engineering, Diponegoro University

Change order at project of road construction almost cannot avoid. Change of work happened because of field needs, and completeness of physical work to be in line with the initially projectâ€™s purpose. Some research of change order show that change order can influence by efficiency, execution, of profit, dispute and claim, losing productivity and degradation of performance. AllÂ former research about change order not yet been analysed holysticly. The model of change order influence of productivity and performance should be predict holisticly with paying attention to the indicator influencing each variable. The research purpose is to analyse influence of change order at productivity losing and performance of the road costruction projrct from the theory system in 4 steps, that is phase 1 to describes about change order variable, phase 2 to describe about productivity losing, phase 3 to describe variable of performance, phase 4 to assimilate phase 1 up tophase 3. The cobclusion is change order has to check holisticly to influencing variable, so the model can illustrate the real phenomena happened. The influencing variable is productivity losing and performance in the construction project. Number of influence and the variable is being influence one each other and this research cluster 3 phases nee hard system method. Keywords : Change order, Losing productivity, Soft system, Performance, System theory. Â Abstrak Â Â Change order pada proyek konstruksi jalan hampir tidak dapat dihindari. Perubahan pekerjaan terjadi karena kebutuhan lapangan, dan untuk menyempurnakan pekerjan fisik agar sesuai dengan tujuan semula proyek. Beberapa penelitian Change order menunjukkan bahwa change order dapat juga mempengaruhi efisiensi, pelaksanaan, penurunan profit, klaim dan perselisihan, kontingensi, kehilangan produktivitas, dan penurunan performa. Semua penelitian terdahulu tentang change order belum dianalisis secara holistic. Model pengaruh change order terhadap kehilangan produktivitas dan performa, seharusnya diprediksi secara holistic dengan memperhatikan indikator yang mempengaruhi masing-masing variable tersebut. Tujuan penelitian adalah menganalisis pengaruh change order pada kehilangan produktivitas dan performa proyek konstruksi jalan dari perspektif system theory dengan cara soft system (mental model). Metodologi dari penelitian dianalisis dengan cara system teori dengan 4 langkah, yaitu fase 1 mendiskripsi tentang variable change order, fase 2 mendeskripsikan tentang variable kehilangan produktivitas, fase 3 mendeskripsikan tentang variable performa, fase 4 menggabungkan fase 1 sampai dengan fase 3. Kesimpulan adalah change order harus diteliti secara holistic terhadap variabel yang mempengaruhinya, sehingga model dapat menggambarkan fenomena yang sebenarnya terjadi. Variabel yang mempengaruhinya adalah kehilangan produktivitas dan performa proyek konstruksi. Besar pengaruh dan variabel-variabel tersebut saling mempengaruhi, perlu dilakukan penelitian terhadap penggabungan tiga fase diatas dengan hard system. Kata kunci: Change order, Sistem teori, soft sistem, kehilangan produktivitas, performa

Analisis Perbandingan Pengaruh Penggunaan Flyslab dan Plat Floordeck dalam Mewujudkan Lean Construction Sandagie, Edwin; Wibowo, M. Agung; Purwanggono, Bambang
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 22, Nomor 1, JULI 2016
Publisher : Department of Civil Engineering, Diponegoro University

Nowadays there are several kinds of products innovations in the construction industry, one of whom is a precast concrete slab. In fact, products of innovation are not necessarily fully able to provide a positive impact, both in terms of cost, quality, time, and waste on building construction projects. Moreover, what is offered by the manufacturer of precast concrete slab has not necessarily correspond with the needs of the customer. The purpose of this study is to analyze the comparison of products in terms of time, cost, quality, and waste between projects using precast concrete slab and the same projects that were simulated using floordeck concrete slab. This research will: (1) simulate the project if not using precast concrete slab product, (2) analyze the comparison of products in terms of time, cost, quality, and waste between the real project and the simulation project, (3) calculate the benefits obtained from the use of precast concrete slab product. The use of flyslab at Pertamina Parking Building Project (which consists of three floors and two floors using flyslab) when compared with the results of the simulation project that uses floordeck concrete slab: (1) in terms of time, it can provide a savings of 12.5% of the total duration of the simulation project, (2) in terms of costs, it can provide costs savings on the total cost structure reaches 23.13%, (3) in terms of quality, flyslab constituent materials are designed to have a higher quality when compared to floordeck concrete slab constituent materials, (4) in terms of waste, on a project that uses flyslab, the amount of waste generated is much less when compared to the results of the simulation project that uses a floordeck concrete slab.

Pengaruh Penerapan Sistem Manajemen Mutu terhadap Kualitas Pelaksanaan Kegiatan Operasi dan Pemeliharaan (Studi Kasus: Tugas Pembantuan Operasi dan Pemeliharaan Daerah Irigasi Kedung Asem dan Daerah Irigasi Bodri Provinsi Jawa Tengah) Amin, Mualim; Wibowo, M. Agung; Atmojo, Pranoto Samto
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 22, Nomor 1, JULI 2016
Publisher : Department of Civil Engineering, Diponegoro University

A decrease in irrigation network performance system operation and maintenance are the impact of the operation management system and irrigation maintenance which does not suitable with the technical demands of the irrigation network design. The purpose of this study is to determine the effect of the application of quality management system in ministry of public works to the quality of the operations and maintenance on the Tasks Operation and Maintenance. The object of the research was in Kedung Asem and Bodri Irrigation Area, it was seen from three variables, namely: (1) the management of resources, (2) the implementation of the activities, (3) measurement, analysis and improvement. Data were obtained from observation andquestionnaire, and then were processed by using descriptive method and linear regression method. The results says that the quality management system in resource management is perceived as good enough category; the implementation activities, measurement, analysis and improvement were perceived good by the respondents. Identification of the quality of the operations and maintenance were also perceived good; further, performance index ratings of irrigation systems are performing well. The results of multiple linear regression equation is Y =12.883+1,181X1+0,449X2 +1,210X3, the conclusions hypothesis testing shows that the implication of quality management system give positive and significant effect on improving the quality of operations and maintenance work on the Tasks Operation and Maintenance of (DI) Kedung Asem and (DI) Bodri Irrigation Area.

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