scholarly journals EVALUASI MANAJEMEN WAKTU PROYEK MENGGUNAKAN METODE PERT DAN CPM PADA PENGERJAAN “PROYEK REPARASI CRANE LAMPSON” DI PT MCDERMOTT INDONESIA

2019 ◽  
Vol 1 (1) ◽  
pp. 28-36
Author(s):  
Junafuji Oka ◽  
Dwi Kartikasari

Project scheduling is one of the elements of planning outcomes, which can provide information about project schedules and project progress in terms of resource performance in terms of cost, labor, equipment and materials and project duration plan with time efficiency for project completion. Critical Path Method (CPM) and Project Evaluation Review Technic (PERT) are two project scheduling methods that use different approaches in the process. In making a project, the researcher assumes that the initial success of a project should begin with the planning and preparation of the correct phase and the systematic stage

2020 ◽  
Vol 9 (1) ◽  
pp. 44-52
Author(s):  
Gunaedy Utomo ◽  
Irna Hendriyani ◽  
Siti Nor Aida

This research purposes to evaluate the implementation of the drainage project in Jl. Mulawarman, Gg. Arjuna, Sepinggan. This research uses the CPM (Critical Path Method) and the PERT (Project Evaluation and Review Technique). Based on the budget plan, time schedule, weekly report, documentation and interview found that the result of the CPM with two critical paths are work activities. The first critical path are: Activity A (Mobilization and Demobilization), Activity C (Landfilling activity), Activity F (Concrete works K-175, Ready Mix). The second critical path are: Activity A (Mobilization and Demobilization), Activity E (Begisting work for black channels), and Activity G (Plain U24 Concrete Iron Works). Meanwhile, the result of PERT has 49% chance to be completed with the project duration of 18 weeks.


2021 ◽  
Vol 4 (2) ◽  
pp. 71
Author(s):  
Dafid Cahya Setiawan ◽  
Ahmad Ridwan ◽  
Suwarno Suwarno

Lack of project scheduling planning and ineffective control make the activity of a project less efficient. This will have an impact on the success of the project. This situation will result in delays and a decrease in the quality of work due to time constraints. Scheduling is important for determining the required activities and arranging a sequence and time frame to complete project activities on time. This study aims to optimize the scheduling of a moderate light rehabilitation project in the Badas Community Health Center building, Kediri Regency, where project start-ups are experiencing delays. The method used is Critical Path Method-Project Evaluation and Review Technique (CPM-PERT), which is a method to determine the duration of a project that can be completed and the percentage of its success. The analysis carried out includes calculation the duration desired acceleration and cost slope. Analysis results using CPM-PERT obtained critical path in: preparation activities (A), earthworks (B), structural work (D), 1st floor work (E), 2nd floor work (F), 3rd floor work (G), roof, ceiling and plank work (H), iron work (I), electrical work (L), floor and wall covering work (M) and finishing work (N). The normal duration of project completion is 140 days and costs Rp. 1,818,182,709, whereas with the CPM-PERT method the duration can be accelerated to 128 days (probability 99.99%) and required additional fee 8.1% or worth Rp. 146,719,664. Implementers can use it in optimizing scheduling and financing on the badas public health center building construction project.


1998 ◽  
Vol 25 (3) ◽  
pp. 424-436 ◽  
Author(s):  
Paul Wing Ming Tam ◽  
Pujitha Bandara Gamagedera Dissanayake

Construction projects are commonly scheduled by the critical path method or its similar methods, with the assumption that resources are unlimited. The ranked positional weight method, which may be used for project scheduling and resource allocation for both constrained and unconstrained resource scheduling, is found to be relatively easy in application. In construction, the availability of resources is sometimes limited and this leads to an extension of project duration. The critical path method and similar approaches cannot provide an answer in this scenario. A bridge construction project is used to illustrate how the method can be applied.Key words: scheduling, resource allocation, ranked positional weight method.


1999 ◽  
Vol 26 (2) ◽  
pp. 242-247 ◽  
Author(s):  
Paul Wing Ming Tam ◽  
Ekambaram Palaneeswaran

Scheduling of construction projects is normally performed with the critical path method (CPM). The popular CPM/PERT network techniques are based on the assumption that sufficient resources will be available when needed to complete all project activities on schedule. This unrealistic assumption can lead to ineffective resource usage and project delays. For scheduling of the project activities with resource constraints, other algorithms have to be used. This technical note first outlines the suitability of ranked positional weight method (RPWM), a heuristic resource scheduling method, to construction project scheduling. It then focuses on a new heuristic technique, the enhanced positional weight method (EPWM), which is an improved version of the RPWM. Some interesting comparisons between the results given by Primavera, Microsoft Project, RPWM, and EPWM are also presented.Key words: ranked positional weight method, enhanced positional weight method, and critical path method.


Author(s):  
Sofiyanurriyanti Sofiyanurriyanti ◽  
Nuril Hidayati Ningsih

<em>Perencanaan kegiatan proyek dilakukan setiap pekerjaan salah satunya adalah kegiatan perencanaan proyek. Penetuan perencanaan kegiatan proyek ini berfungsi untuk mengoptimalkan waktu durasi alokasi pelaksanaan yang diselesaikan dengan waktu optimal sehingga suatu proyek bisa berjalan dengan lancar dan tepat waktu sehingga tidak terjadinya keterlambatan waktu. Tujuan penelitian ini adalah untuk menentukan proses produksi H-Beam di PT. Mulcindo Steel Industry dan menentukan waktu penyelesaian proses produksi H-Beam dengan menggunakan metode PERT (Project Evaluation and Review Technique) dan CPM (Critical Path Method). Kegiatan proses produksi besi jenis H-Beam ini terdapat hubungan ketergantungan aktivitas satu dengan yang lain seperti Pengecekan Plat, Perencanaan Pemotongan Jalur Plat, Pemotongan Plat, Penghalusan Sisi Plat, Penyambungan Pertama Bagian Flange ke Bagian Web, Penyambungan ke-2 Bagian Flange ke Bagian Web, Pengelasan System SAW, Proses Repair, Proses Pelurusan Produk, Proses Akhir Pengecekan Dimensi, Proses Memberi Label Barang. Hasil analisis dalam penelitian ini menunjukan metode PERT dan CPM dapat diketahui ada 11 kegiatan proses produksi yang dilakukan selama 160 menit dan ada satu slack=0 yang berada dikegiatan G, sehingga lintasan kritis pada kegiatan proses produksi besi baja H-beam adalah A – C – D – E- F – G – H – I- J – K dengan waktu penyelesaian proses selama 160 menit.</em>


2019 ◽  
Vol 2 (2) ◽  
pp. 51
Author(s):  
Hermanto Hermanto ◽  
Kamil Mustafa ◽  
Banjarnahor Banjarnahor

<p><em>Research was conducted at the training center bulding projec RI BPK Representative in Medan, North Sumatera, where the purpose of this research is to create a complex framework of activities based on project completion time and human resources available for job creation building structures manager. The framewwork presented in the form of work flow diagram (Network Diagram). From the data obtainned by the completion of the project structure has been estimated tim required to finish the job thus structure with the critical path method (Critical Path Method – CPM). After the calculation of forward and backward calculation is obtained : fastest tim starting and completion activities, no later than beginning and completion of, the lenght of the interval delay /postponement of activities. With the CPM method, completion building structure mnagement training center of RI BPK representative of North Sumatera Province is known than the sum of time critical activities. These critical activities each time interval did not have to delay the implementation of activities. The activities that are on the critical path is the activity with the notation : A-C-E-F-I-L-MQ-U-V-W-X-Y-Z-AA-AC-AD gained 4+9+6+6+1+3+6+1+1+6+1+6+6+1+6+1 = 64 days.</em></p>


2018 ◽  
Vol 177 ◽  
pp. 01028
Author(s):  
Silvianita ◽  
Nur Aprillia ◽  
Yeyes Mulyadi ◽  
Wahyudi Citrosiswoyo ◽  
Suntoyo

The construction of new shipyard in the Cilacap area is one of the best ways to reduce the accumulation of vessels. The construction of shipyard has many risks, one of the risks that can occur during the construction of the shipyard is in terms of cost and time. Project scheduling is a tool to make sure the project finished on time. This paper discusses project scheduling and cost calculation using Critical Path Method (CPM) and Program Evaluation Review Technique (PERT) method for Graving Dock project development in Cilacap. Project scheduling is useful to indicate the relation of each activity to another. This paper will discuss the critical activities during Gravity Dock development and the duration for the whole project using CPM. The next step is to determine the probability of the completing project that can be finished within the time frame using PERT. Based on the CPM analysis, the probability of Graving Dock project can be finished in 204 days is 79,81 %. The total cost for Graving Dock project in Cilacap is Rp. 6.486.122.769.


1992 ◽  
pp. 41-48
Author(s):  
Mohamed Othman

Kertas kerja ini membincangkan kajian literatur mengenai proses awal yang perlu dititikberatkan dalam pembangunan suatu GIS (Geographical Information System). Dalam pembangunan sistem maklumat geografi (GIS), proses penukaran data (data conversion) merupakan proses awal yang perlu dilalui untuk mencapai kepada tahap pangkalan data geografi yang bermutu tinggi. Proses ini juga biasanya merupakan sebahagian terbesar daripada keseluruhan projek GIS dan secara tidak langsung kos untuk proses tersebut juga adalah yang paling tinggi iaitu dalam lingkungan 60%. Dari segi terminologi pula, terdapat dua aspek proses penukaran dan di dalam kertas kerja ini salah satu aspek yang akan dibincangkan iaitu dari segi persediaan awal berkaitan dengan spesifikasi projek penukaran, spesifikasi data dan spesifikasi pentadbiran harus dilaksanakan sebelum proses penukaran (conversion) dapat dijalankan dengan lancar. Setiap sistem AM/FM pula, memerlukan kepada satu dasar tanah yang tepat, terkini dan selaras dengan tempat data fasiliti dirujuk secara geografik. Dengan lain perkataan, tanpa dasar tanah, sesuatu sistem pemetaan tidak boleh dikatakan sebagai satu GIS. Beberapa teknik perolehan dasar tanah dibincangkan dengan serba ringkas untuk membolehkan perhatian ditumpukan kepada masalah penyediaan dan pembersihan data fasiliti yang akan dirujuk terhadap dasar tanah ini kelak. Pembersihan data fasiliti adalah amat perlu supaya data yang dimasukkan semasa proses penukaran berada dalam keadaan baik dan tidak mendatangkan masalah semasa penggunaan kelak. Ini juga dapat menjimatkan kos pengguna dalam jangka masa panjang. Mutu maklumat yang akan ditukar juga perlu diambilkira. Katakunci: Peta, Pangkalan Data, Geografi, Digital, Pengimbas, Pendigit, Cerapan, Lapangan, Perantaramuka, terpusat, Teragih, Skedul, Sistem Unjuran, Koordinat, AM/FM (Pemetaan Terotomat/Fasiliti), Pendigit stereo, Fotogrametri, imbasan, Raster, Pendigit Stereo, Ortofotografi, Pengurus Grafik, Pembaca Kad Optik, Perantaramuka, Fonetik, PERT/CPM (project Evaluation Revision Technique/Critical Path Method) This paper will discuss on a literature study on early stages in the development of a GIS (Geographical Information System). In the development of a GIS, data conversion is the initial process that one has to undergoe in order to achieve a geographic of high quality. This process often constitutes to more than half of the total of a GIS project and indirectly the cost for this process is usually around 60%. In terms of terminology there are two aspects of data conversion in a GIS namely, conversion of analogue/manual geographic data to digital form which involves manual sources such as paper maps, drawings, digital form etc. and conversion from one GIS system to another GIS system of different format. In this paper only the first aspect will be discussed in depth regarding early preparations to be considered in the data conversion and this pertains to project specifications, data specification and administrative specifications. Every GIS requires a current, uniformly accurate landbase to which the facilities data can be geographically referenced. In other words, a computerised mapping system is nota a true GIS if it is not referenced to land base. Techniques on land base acquisition is disscussed in brief to allow the author to express in detail problems concerning the importance of data preparation and purification before the final conversion takes place. Data preparation and purification is viable so as not to input 'garbage' and 'output' garbage as well. Quality control on data to be converted should also be taken into consideration. Keyword: Maps, Database, Geographic, Digital, Scanner, Field observation, Interface, Centralised, Distributed, Schedule, Projection System, Coordinate, AM/FM (Automated Mapping/Facility Management), Photogrammetry, Scanning, Stereodigitizing, Ortophotography, OCR (Optical Card Reader), Interface, Phonetic, PERT/CPM (Project Evaluation Revision Technique/Critical Path Method)


Author(s):  
Indah Handayasari ◽  
Nona Novita Salida

Abstrak --- Akselerasi pada jaringan kerja proyek yang sederhana biasanya dilakukan dengan prosedur manual yaitu dengan Critical Path Method (CPM) atau Project Evaluation and Review Technique (PERT). Pada dasarnya metode tersebut menggunakan pendekatan trial and error yang berguna untuk memperagakan logika akselerasi. Namun dalam persoalan jaringan kerja proyek yang lebih rumit dan membutuhkan kecepatan pengolahan data yang tinggi, analisis CPM/PERT akan mengalami kesulitan dan bahkan tidak memungkinkan lagi dilakukan dikarenakan ketergantungan kegiatan yang satu dengan yang lainnya serta perbedaan biaya dari kegiatan tersebut. Oleh karena itu, diperlukan suatu metode analisis yang dapat menentukan kombinasi nilai percepatan yang tepat untuk setiap kegiatan proyek. Seiring perkembangan zaman dan teknologi telah banyak program komputer yang dibuat khusus untuk memproses pengolahan data proyek, salah satu diantaranya adalah program aplikasi LINDO (Linier Interactive Discrete Optimizer). Berdasarkan perhitungan aplikasi metode program linier LINDO pada kasus proyek rehabilitasi SDN 16 Pinrang Sulawesi Selatan diperoleh biaya total minimum sebesar Rp 45.349.571,65.- untuk akselerasi dari 120 hari menjadi 70 hari serta didapatkan besarnya waktu percepatan yang tepat untuk masing-masing aktivitas.


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