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All Journal Teknisia RACIC : Rab Construction Research Construction and Material Journal APPLIED RESEARCH ON CIVIL ENGINEERING AND ENVIRONMENT (ARCEE)
Vendie Abma
Universitas Islam Indonesia
Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Materials Science & Nanotechnology Transportation

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PENGENDALIAN WAKTU DENGAN METODE EARNED VALUE PADA PROYEK PEMBANGUNAN HOTEL FAVE KOTABARU YOGYAKARTA Vendie Abma
TEKNISIA Vol. XXI, No. 2, November 2016
Publisher : Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

All construction project require of cost and time control. Controlling of time the most important in the construction implementation so that the project can be in accordance with the time schedule. Controlling of time can be done byconsidering the project implementation performance. Project implementation can be late, faster, or even on time in accordance with time schedule. One of the time controlling that are used in this research is earned value method to know the project performance in terms of time. Object of this research is Building Construction Project of Fave Kotabaru Hotel, Yogyakarta. The data in this research are time schedule, RAB, and weekly progress report to get the value of BCWP and BCWS. Controlling analysis by earned value method obtained the value of Schedule Variance (SV), Schedule Performance Index (SPI), predict the value of estimation to completeand estimation at comlpete (ETC and EAC). Analysis result base on time of Building Construction Project of Fave Kotabaru Hotel was predicted to become late. All value of Schedule Variance (SV) from week 25 until 28 is negative (-) and the average value of Schedule Performance Index (SPI) at 7th month from week 25-28 is 0,63 (<1). The results mean that the time performance of the construction project is slower than the time schedule. Based on the performance at the 7th month observation, obtainedthe value of estimation to complete (ETC) the project is 20 weeks, then estimation at completion (EAC) is 48 weeks, 8 weeks slower than time schedule. The final result shows that the project was too late, so that it need to be re-schedule.
CASH FLOW PROYEK DENGAN SUMBER MODAL BANK SYARIAH PADA PEMBANGUNAN DAN REHABILITASI GEDUNG PELAYANAN KESEHATAN PEMERINTAH KABUPATEN GUNUNG KIDUL Vendie Abma; Fitri Nugraheni; Metalindra Metalindra
Construction and Material Journal Vol. 2 No. 2 (2020): Construction and Material Journal Vol. 2 No. 2 Juli 2020
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v2i2.3088

Abstract

A construction project has several factors that affect the success of a project. One of the factors was an optimal project’s cash flow. Optimizing cash flow of a construction project can be done by making several cash flow plans, and choosing the best one considering appropriate project’s time and cost constraints. The purpose of this study is to obtain an optimal cash flow plan on a construction project using a capital loan from Sharia Bank. This research will be carried out on a specific project which is Construction and Rehabilitation Project of Government Health Service Building, District of Gunungkidul. In this study, the method used to analyze data is to make several project cash flow based on “Earliest Start” scheme by determining the duration for each activity and creating a network diagram using the Precedence Diagram Method (PDM). The final step is analysing the cash flow by calculating negative overdraft for each cash flow plan to determine the amount of capital loan from Sharia Bank and then comparing profits to obtain the optimal one. Analysis and discussion reveal that on the system of given Down Payment, and Project’s Termyn 50%, 75% and 100%, and a loan from Sharia Bank it is found that the optimum cash flow will make profit of 7.49%. Keywords: Cash Flow, Earliest Start (ES), Optimal Profit, Sharia Bank.
Scheduling of Application for Siteplan Authorization Permit (Case of Licensing Process at Investment and Integrated Licensing Services Office in Sleman Regency) Fitri Nugraheni; Vendie Abma; Sigit Yasien
Applied Research on Civil Engineering and Environment (ARCEE) Vol. 1 No. 02 (2020): Urban Building and Infrastructure
Publisher : POLITEKNIK NEGERI JAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/arcee.v1i02.2680

Abstract

The permit process must comply with laws and regulations. The permit functions as controlling and supervising tool from the government of activities in certain cases based on the guidelines that must be implemented. The permit also functions as a disciplinarian and regulator in accordance with the law in the administration of government. In the process, several constrains or obstacles often occur in terms of the period of the process as well as technical and non-technical constrains. In this research, an analysis of the scheduling of the site plan permit approval process is based on field data related to the site plan permit approval process with the PERT method. The data used are primary data in the form of interviews and filling in the form of questions and secondary data in the form of a site plan approval process flow. The data that has been collected is then processed and analyzed in several stages. First, calculate the expected time period (te) using interview data and the results of filling in the expected time period (te), so that the expected time period for each activity will be found in accordance with the site plan approval process flow. Second, determine the dependency relationship between activities. In this stage, the relationship between each activity is determined. Third, create a network by changing the existing site authorization process flow into a form of network planning. The results of the schedule using the PERT method are a period of 38 days with alternatives that can be done to reach the time (Tx) of 18 working days in accordance with the Regent Regulations. In addition, the probability of the overall activity being completed is 0.8531 or 85.31%.
IMPLEMENTASI KONSEP BIM 5D PADA PEKERJAAN STRUKTUR PROYEK GEDUNG Amalina Farhana; Vendie Abma
Racic : Rab Construction Research Vol 7 No 2 (2022): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v7i2.3004

Abstract

Quantity take-off menjadi hal yang sangat krusial karena menjadi dasar perhitungan yang berkelanjutan untuk tahap perencanaan. Quantity take-off digunakan untuk perhitungan BoQ atau estimasi biaya. Kesalahan dalam memperkirakan quantity take-off akan menyebabkan penyimpangan biaya dan atau adanya penyimpangan pada volume kebutuhan material. Diperlukan adanya perhitungan quantity take-off dan rencana anggaran biaya (RAB) yang efektif yang dapat dilakukan dengan metode BIM 5D. Penerapan konsep BIM memudahkan dalam ekstraksi quantity take-off langsung dari model 3D hingga kemudian terintegrasi dalam pengolahan estimasi biaya. Penelitian ini bertujuan untuk mendapatkan estimasi biaya dengan menerapkan konsep BIM 5D. Menggunakan bantuan software PriMus untuk membuat AHSP dan PriMus IFC untuk ekstraksi quantity take-off. Hasil yang didapatkan dari penelitian ini, bahwa dengan menggunakan konsep BIM 5D estimasi biaya yang dihasilkan terdapat selisih sebesar 7% lebih kecil dari anggaran biaya rencana awal. Hal tersebut terjadi dikarenakan perbedaan detail perhitungan volume pada perencanaan awal secara konvensional yang dihasilkan, serta beberapa diantaranya disebabkan karena data dari perencanaan modeling tidak memodelkan semua elemen konstruksi, yang kemudian muncul tanggung jawab berkelanjutan atas masalah tersebut oleh BIM modeler. Implementasi konsep BIM 5D dapat meningkatkan komunikasi, kolaborasi, dan menciptakan komitmen atau tanggung jawab yang berkelanjutan sehingga proses pengambilan keputusan menjadi lebih cepat dan tepat.
Co-Authors Amalina Farhana Fitri Nugraheni Metalindra Metalindra Sigit Yasien