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"Pada proyek konstruksi breakwater sebagai komponen pembangunan di Pelabuhan Kalibaru metode penjadwalannya masih konvensional, yaitu dengan menggunakan kurva-S. Sementara, metode yang sesuai untuk pekerjaan repetitive seperti breakwater ini adalah linear scheduling. Dalam perkembangannya, linear scheduling method diteliti dengan berbagai pendekatan, salah satunya adalah pendekatan varying production rates (LSMVPR). Metode LSMVPR ini merupakan metode linear scheduling dengan mengembangkan kerangka untuk mengaplikasikan production rates dari sebuah pekerjaan. Pada penelitian ini ditemukan terdapat 9 faktor dominan dalam membuat model persamaan produktivitas breakwater di Pelabuhan Kalibaru. Sehingga dari model tersebut, kita dapat mengetahui kapan dan dimana variasi produktivitas tersebut terjadi, agar dapat lebih akurat dalam memprediksi jadwal kedepannya.

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The scheduling method which is used for breakwater construction project as a buliding component in Port of Kalibaru is still convensional which is use S-Curve. While the relevan scheduling method for repetitive work such as breakwater is linier scheduling. Furthermore, liniear scheduling is researched by many approach. One of them is varying production rates (LSMVPR). This LSMVPR is scheduling method of liniear sheduling that developing framework to implement production rates from any work activity, so that LSMVPR to be a method that could be defining a productivity variation of a scheduling. In this research has found 9 dominant factor that we can develop productivity model at breakwater construction project in Port of kalibaru. So, using the model, we can know that when and where the variance in production rates has accoured, in order to more accurate predicted the schedule."

"Breakwater merupakan linear construction projects dengan repetitive work activities. Metode linear scheduling dengan genetic algorithm diaplikasikan pada pembangunan breakwater Pelabuhan Kalibaru. Dalam penelitian dilakukan dua analisa, yaitu analisa produktivitas dan biaya serta least cost scheduling genetic algorithm. Hasil optimasi peningkatan produktivitas setiap pekerjaan, akan meningkatkan biaya, dan mengurangi durasi. Hasil optimasi didapatkan durasi 231 hari dengan biaya Rp. 246,550,908,434 dengan penghematan durasi 288 hari dan biaya tambahan Rp. 145,958,232,320. Analisa least cost scheduling dengan genetic algorithm didapatkan durasi dan biaya optimal yaitu 410 hari dengan biaya Rp. 112,221,641,972. Hal ini menghemat biaya sebesar Rp. 3,266,034,920 dan menghemat durasi sebesar 108 hari.

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Breakwater is a linear construction project with repetitive work activities. Linear scheduling method with genetic algorithm was applied to breakwater construction of Kalibaru Port. This study conducted two analyzes, which consists of the productivity and cost analysis functions as well as functions of least cost scheduling genetic algorithm. The optimization results with an increase in the productivity of each job, will increase costs, and reduce the duration of the work. The selection of the best productivity results best duration is 231 days with total cost of Rp. 246,550,908,434 with saving of 288 days and additional cost of Rp. 145,958,232,320. Analysis of least cost scheduling combined with genetic algorithm is obtained optimal duration and cost of 410 days at a cost of Rp. 112,221,641,972. This saves the cost of Rp. 3,266,034,920 and saves time by 108 days."

"ABSTRAKPenerapan Linear Scheduling Method (LSM) dilakukan pada proyek dengan kegiatan berulang/repetitif, seperi pembangunan breakwater Pelabuhan Kalibaru. Pendekatan digunakan dalam penelitian ini adalah Stochastic Linear Scheduling Method yang merupakan integrasi LSM dengan mengedepankan data fakta produktivitas dan penerapan simulasi komputer. Simulasi prediksi dari data produktivitas antar aktivitas menggunakan perangkat lunak Crystal ball dengan berbagai metode dengan hasil grafik perkiraan kinerja akan datang pada masing-masing aktivitas. Selanjutnya, akan dihasilkan grafik dari LSM sesuai dengan perkiraan akan datang, sehingga dapat ditentukan seberapa jauh pergeseran penjadwalan proyek breakwater pada masing-masing aktivitas dari penjadwalan eksisting dengan prediksi penjadwalan akan datang.

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ABSTRACTApplication of Linear Scheduling Method (LSM) was performed on projects with repetitive activities, are like Kalibaru Port breakwater construction. The approach used in this study is the Stochastic Linear Scheduling Method which is an LSM with the advanced integration of data facts and the application of computer simulation productivity. Simulation predictions of productivity data between activities using Crystal Ball software with a variety of methods to estimate the performance results chart will come in each activity. Furthermore, the graph will be generated according to the estimates of the LSM will come, so it can be determined how far the accuracy of scheduling breakwater project in each of the activities with the existing scheduling scheduling predictions will come."

"ABSTRAKBreakwater merupakan proyek linear construction projects dengan tipe pekerjaanberulang (repetitive work activities), namun di Indonesia penjadwalan untukpekerjaan repetitive project masih menggunakan penjadwalan konvensional,khususnya pada proyek breakwater pelabuhan Kalibaru Jakarta. Metode linearscheduling dengan singularity function diaplikasikan pada pembangunanbreakwater Pelabuhan Kalibaru mengingat metode tersebut mempunyai banyakkelebihan. Dalam penelitian ini dilakukan analisa terhadap jadwal pelaksanaanrencana yang memiliki durasi pekerjaan yaitu 485 hari serta terhadap nilai bufferantar kegiatan. Hasil analisa dengan singularity function menyimpulkan denganmengoptimalkan nilai buffer antar kegiatan dapat mengurangi durasi pekerjaan.Hasil optimal yang didapat adalah durasi pekerjaan 274 hari.

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ABSTRACTBreakwater is a linear construction project with repetitive work activities, but inIndonesia scheduling for repetitive projects are still using conventionalscheduling, especially in the construction of breakwater project in KalibaruJakarta. Linear scheduling method with singularity function is applied in theconstruction of breakwater at the Port of Kalibaru considering the method hasmany advantages. In this research, an analysis of the plan implementationschedule which has duration of 485 days, and an analysis to the value of the bufferbetween activities. The results of the singularity function analysis conclude byoptimizing the value of buffers between activities can reduce the duration of thework. Optimal results are obtained work duration is 274 days."

"ABSTRAKBreakwater adalah bangunan penahan gelombang yang memiliki karakteristik pekerjaan yang bersifat repetitif dalam volume yang besar. Karakteristik dari proyek ini menuntut perencana untuk membuat suatu metode perencanaan penjadwalan yang berbeda dari bentuk metode biasa seperti CPM dan bar chart, dimana metode ini tidak cocok untuk penjadwalan pekerjaan yang repetitif. Metode penjadwalan yang cocok untuk digunakan dalam pembangunan proyek yang bersifat repetitif ialah metode penjadwalan linier. Penelitian ini bertujuan untuk mengaplikasikan metode penjadwalan linier dengan pendekatan multi-objective genetic optimization menggunakan software Evolver pada pembangunan breakwater di Pelabuhan Kalibaru. Pengoptimalisasian ditinjau dari segi jumlah tim pekerja dan total interupsi pekerjaan yang akan meminimalisasikan total durasi dan biaya proyek. Setelah dilakukan pengaplikasian dengan menggunakan metode ini, terjadi penurunan durasi sebesar 31,79% dan penurunan biaya sebesar 3,04%. Metode ini dapat digunakan dalam pengaplikasian dan pengoptimalisasian pembangunan breakwater di Pelabuhan Kalibaru.

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ABSTRACTBreakwater is a wave barrier building which has the characteristic of repetitive work in large volume of activities. Characteristics of this project requires planners to make a method of scheduling that is different from the usual form of scheduling method such as CPM and bar chart, where this method is not suitable for scheduling repetitive work. The scheduling method that suitable for repetitive construction project is linear scheduling method.This study aims to apply the linear scheduling method with multi-objective genetic optimization approach using Evolver software in breakwater Kalibaru Port construction. Optimizing in terms number of crew and total work interuption that will minimize total project duration and cost. After the application of this method, there is a decrease in duration of 31,79% and an impairment charge of 3,04%. This method can be used in application and optimization breakwater Kalibaru Port construction."

"[Computer-aided nonlinear control system design provides such an approach based on the use of describing functions. The text deals with a large class of nonlinear systems without restrictions on the system order, the number of inputs and/or outputs or the number, type or arrangement of nonlinear terms. The strongly software-oriented methods detailed facilitate fulfillment of tight performance requirements and help the designer to think in purely nonlinear terms, avoiding the expedient of linearization which can impose substantial and unrealistic model limitations and drive up the cost of the final product.Design procedures are presented in a step-by-step algorithmic format each step being a functional unit with outputs that drive the other steps. This procedure may be easily implemented on a digital computer with example problems from mechatronic and aerospace design being used to demonstrate the techniques discussed. The author?s commercial MATLAB®-based environment, available separately from insert URL here, can be used to create simulations showing the results of using the computer-aided control system design ideas characterized in the text.;Computer-aided nonlinear control system design provides such an approach based on the use of describing functions. The text deals with a large class of nonlinear systems without restrictions on the system order, the number of inputs and/or outputs or the number, type or arrangement of nonlinear terms. The strongly software-oriented methods detailed facilitate fulfillment of tight performance requirements and help the designer to think in purely nonlinear terms, avoiding the expedient of linearization which can impose substantial and unrealistic model limitations and drive up the cost of the final product.Design procedures are presented in a step-by-step algorithmic format each step being a functional unit with outputs that drive the other steps. This procedure may be easily implemented on a digital computer with example problems from mechatronic and aerospace design being used to demonstrate the techniques discussed. The author?s commercial MATLAB®-based environment, available separately from insert URL here, can be used to create simulations showing the results of using the computer-aided control system design ideas characterized in the text.;Computer-aided nonlinear control system design provides such an approach based on the use of describing functions. The text deals with a large class of nonlinear systems without restrictions on the system order, the number of inputs and/or outputs or the number, type or arrangement of nonlinear terms. The strongly software-oriented methods detailed facilitate fulfillment of tight performance requirements and help the designer to think in purely nonlinear terms, avoiding the expedient of linearization which can impose substantial and unrealistic model limitations and drive up the cost of the final product.Design procedures are presented in a step-by-step algorithmic format each step being a functional unit with outputs that drive the other steps. This procedure may be easily implemented on a digital computer with example problems from mechatronic and aerospace design being used to demonstrate the techniques discussed. The author?s commercial MATLAB®-based environment, available separately from insert URL here, can be used to create simulations showing the results of using the computer-aided control system design ideas characterized in the text., Computer-aided nonlinear control system design provides such an approach based on the use of describing functions. The text deals with a large class of nonlinear systems without restrictions on the system order, the number of inputs and/or outputs or the number, type or arrangement of nonlinear terms. The strongly software-oriented methods detailed facilitate fulfillment of tight performance requirements and help the designer to think in purely nonlinear terms, avoiding the expedient of linearization which can impose substantial and unrealistic model limitations and drive up the cost of the final product.Design procedures are presented in a step-by-step algorithmic format each step being a functional unit with outputs that drive the other steps. This procedure may be easily implemented on a digital computer with example problems from mechatronic and aerospace design being used to demonstrate the techniques discussed. The author’s commercial MATLAB®-based environment, available separately from insert URL here, can be used to create simulations showing the results of using the computer-aided control system design ideas characterized in the text.]"

"Pelabuhan Makassar merupakan pelabuhan terbesar di kawasan Indonesia Timur dan permasalahan yang terjadi saat ini adalah bangunan pemecah gelombang yang tersusun dari batu pecah mengalami longsor yang menyebabkan limpasan gelombang yang dapat mengganggu operasional pelabuhan. Oleh sebab itu, perlu dilakukan rehabilitasi dengan mengganti armor pada struktur tersebut. Tujuan dari penelitian ini adalah untuk melihat efektifitas dari penggantian armor dalam proyek rehabilitasi ini sehingga dapat mengembalikan kembali fungsi bangunan pemecah gelombang yang dibangun pada tahun 1939. Hasil penelitian ini menunjukkan gelombang di pelabuhan Makassar dibangkitkan oleh energi angin dari arah Barat Daya, Barat dan Barat Laut dengan tinggi gelombang signifikan adalah 2,15 meter. Bangunan pemecah gelombang yang direncanakan adalah tipe sisi miring menggunakan armor a-jack panjang = 1,2 m dengan dua alternatif kondisi, tanpa limpasan gelombang elevasi = 6 m dan dengan limpasan gelombang elevasi 4,3 m. Sehingga pada akhirnya penelitian ini memberikan informasi bangunan pemecah gelombang yang direncanakan efektif meredam gelombang dan melindungi pelabuhan terhadap gelombang rencana yang datang.

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Makassar Port is the largest port in eastern Indonesia. The recent problem is a breakwater which composed with rubble mound armour have slip causing wave overtopping and disrupt port operations. Therefore, rehabilitation needs to be done by replacing the armour on the breakwater structure. The purpose of this study is to the effectiveness of the armour replacement at this rehabilitation project, so it can restore the function of the breakwater built in 1939. This study shows that waves at the Port of Makassar are fully developed by the wind energy from South West, West and North West that generate significant wave height 2.15 meter. The designed breakwater is sloping type using a jack armour length 1.2 m with two alternative conditions, with wave overtopping elevation 6 m and without wave overtopping elevation 4.3 m . In the end, this study provides information on the designed breakwater effectively breaking and protecting port against the significant waves. "

"ABSTRAKFaktor waktu dan biaya sangat berpengaruh terhadap keberhasilan dan kegagalan pelaksanaan suatu proyek karena kedua factor tersebut menjadi tolak ukur keberhasilan proyek bila dilihat dari waktu penyelesaian tersingkat dengan biaya minimal tanpa mengabaikan hasil pekerjaan yang berkualitas, usaha untuk mengoptimalkan waktu dan biaya menjadi sangat penting. Untuk itu dilakukan optimasi perencanaan percepatan proyek menggunakan metode programa linier integer. Pada penelitian ini dilakukan optimasi tersebut dengan perangkat lunak lingo ver.11 kemudian penjadwalan tsb juga diselesaikan dengan menggunakan perangkat lunak Microsoft Project, ver 2016. Dari kedua penyelesaian tsb menggunakan perangkat lunak lingo dan Microsoft project memberikan hasil yang sama. Yang berarti M.S Project sebenarnya juga optimasi Program Linier Integer Salah satu caranya yaitu dengan menggunakan metode programa linier integer dibantu software Microsoft Project 2016 yang diaplikasikan pada proyek pembangunan kampus ITERA dengan waktu 210 hari, dimulai dari bulan februari sampai bulan agustus 2017. Tahapan perencanaan meliputi kegiatan persiapan, pekerjaan struktur, dan pekerjaan arsitektur. Penelitian ini mengkaji tentang optimasi waktu dan biaya pada proyek tersebut. Berdasarkan hasil pengolahan dan analisis data terbukti bahwa menggunakan software lingo 11 maka pekerjaan arsitektur dapat dipercepat dengan percepatan sekian hari kerja, dan kenaikan biaya biaya proyek sebesar Rp 75.960.000.

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b>ABSTRACT<>br>Project 39 s duration and cost are among important factors and measures for the project to be completed with quality. The two factors determine whether the project is timely and least cost to invest. Effort to optimize the project duration and cost can be implemented through carrying out the analysis using linear integer programming method through application of microsoft project 2016. In this research, optimization is done with software lingo ver.11 and then the problem also be solved by using software Microsoft Project, ver 2016. Of both software, lingo and Microsoft project give same result. Which means, beside optimization of Integer Linear Program we can also use Microsoft Project for the problem. The analisys was done for the said project in ITERA campus university, development by the Local Government of the city of Bandar Lampung. The project was started from February to August 2017. Planning of the project followed three stages including project preparation, structural works, and architectural works. The study was done to assess and optimize the project duration and cost. Result indicated that linear integer programming approach using Lingo 11, through microsoft project 2016 software, was successfully proved that structural working time can be speed up by 32 days, while cost will increased by Rp 75.960.000."