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Rancang Bangun Absensi Mahasiswa Berbasis Fingerprint Menggunakan Komunikasi Wireless Mohamad Dimyati Ayatullah; Enes Ariyanto Sandi; Galih Hendra Wibowo
Jurnal Informatika: Jurnal Pengembangan IT Vol 4, No 2 (2019): JPIT, Mei 2019
Publisher : Politeknik Harapan Bersama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/jpit.v4i2.1123

Abstract

The teaching and learning process on campus is always supervised by paying attention to attendance. Some campuses use this attendance as a condition for taking the exam. However, the attendance system is still manual, which is by using a signature on the attendance sheet. This system has several weaknesses which include the occurrence of fraudulent attendance, difficulty in monitoring attendance, and data that cannot be presented quickly. The study proposes an attendance system using fingerprints connected to wireless networks that are already available on campus. Wireless networks are used as a medium of communication between attendance tools and database servers. The use of wireless networks aims to facilitate equipment used in classrooms during the lecture process. Attendance tool designed on a single Raspberry Pi computer board that is equipped with fingerprint sensors, power banks and LCD screens. While wireless LAN devices are integrated in the Raspberry Pi boar. The attendance system begins with an enroll process to save the lecturer and student fingerprint templates. Each template is given an ID to be stored on the database server using TCP wireless and protocol networks. The enroll process observations require an average time of 4 seconds which consists of: transmission time and time identification of fingerprint characteristics to the creation of fingerprint templates. The attendance process in lecture activities begins with the absence of lecturers and is followed by students. The average time needed to do attendance is 4 seconds. During the data attendance process can transmit between the attendance device (client) and server. Through a fingerprint-based attendance device based on the available wireless network infrastructure in the campus, it can improve the efficiency of attendance monitoring in real time.
Penilaian Kondisi Bangunan Gedung Berdasarkan Metode Matriks Condition Survey Protocol (CSP1) Studi Kasus: PP Sunan Ampel Banyuwangi Yuni Ulfiyati; Enes Ariyanto Sandi; Duta Agung Prayojana Fajrul Mahdi
Portal: Jurnal Teknik Sipil Vol 17, No 2 (2025): October Edition
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v17i2.8274

Abstract

 Abstract — The Sunan Ampel Islamic Boarding School building is a religious education facility that has been operating for 15 years. Routine maintenance has not been carried out on the building, resulting in a decline in quality. Over time, many factors can cause a decline in quality and damage the structure and architecture of the building. Therefore, to maintain the function and usability of the building, researchers need to assess the condition of the building. This study aims to determine the overall condition value of the building. In the process, data collection was carried out using the observation method while data processing used the Condition Survey Protocol 1 (CSP 1) Matrix method by adjusting the predetermined criteria. The results of this study can determine the condition value of the building at the Sunan Ampel Islamic Boarding School building. After data analysis, there were 359 damages in the Sunan Ampel Islamic Boarding School building. Of which 343 damages require planned maintenance, 10 damages require condition monitoring, and 1 damage requires serious attention. Based on the Condition Survey Protocol 1 (CSP 1) Matrix method, the overall building condition scored 1.25 (on a scale of 1-4), indicating the building is classified as good, meaning the structure remains strong and stable. Damage/defects are limited to the exterior.Keywords: Building Structure; CSP; Matriks; Condition Assesment
Perbandingan Volume Pembesian Menggunakan Metode Konvensional Dengan Metode BIM Pada Proyek Pembangunan Power House RSUD Ngudi Waluyo Wlingi Kabupaten Blitar Robbi Ulana; Enes Ariyanto Sandi; Siska Aprilia Hardiyanti
Jurnal Basement : Jurnal Teknik Sipil Vol. 4 No. 2 (2026): Jurnal Basement : Jurnal Teknik Sipil
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/basement.v4i2.25953

Abstract

The accuracy of reinforcement volume calculations is a critical factor in the success of construction projects, particularly for structural elements such as foundations, columns, and beams. In Indonesia, conventional calculation methods are still widely used, typically based on two-dimensional drawings from AutoCAD. However, with technological advancements, Building Information Modeling (BIM) methods have begun to be implemented, offering more precise three-dimensional modeling and better data integration throughout the planning and execution stages. This study compares the reinforcement volume of structural elements calculated using conventional methods and the BIM method through Autodesk Revit software in the Power House construction project at Ngudi Waluyo Regional Hospital, Wlingi, Blitar Regency. The results indicate that the Revit BIM method generally produces a higher reinforcement volume compared to the conventional method. For example, the foundation reinforcement volume using Revit was 616,846 kg, while the conventional method yielded 595,053 kg, showing a difference of 2,85%. Similar discrepancies were found in other elements, such as transverse and longitudinal tie beams 3,09%, columns 2,30%, beam B2 3,18%, beam B3 3,49%, beam B4 3,81%, slab A0 3,01%, and slab A1 1,09%.
Perbandingan Biaya Pelat Lantai Menggunakan Metode Half Slab Precast Dengan Metode Konvensional Pada Gedung Ar Rahim UIN Malang Tahap II Deby Ramadhan; Enes Ariyanto Sandi; Siska Aprilia Hardiyanti
Jurnal Basement : Jurnal Teknik Sipil Vol. 4 No. 2 (2026): Jurnal Basement : Jurnal Teknik Sipil
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/basement.v4i2.25954

Abstract

With the advancement of construction technology, precast methods such as half slab have begun to be implemented as alternatives to conventional methods in floor slab construction. This study aims to compare the floor slab construction costs between the half slab precast method and the conventional method in the construction project of the Ar Rahim Building, UIN Malang Phase II. The analysis focuses on reinforcement costs for slab types A1 and A2 on the 1st floor and roof using the conventional method, and on slab types A1 and A2 on the 2nd and 3rd floors using the half slab precast method. The research uses a quantitative approach by comparing costs based on work volume and unit prices of materials. Based on the calculations, it was found that the conventional method resulted in a lower reinforcement cost of Rp 3,323,263,608 compared to the half slab precast method, which required Rp 4,709,791,209—resulting in a higher cost difference of Rp 1,386,527,601. Although the half slab precast method requires a higher investment for reinforcement components, it offers advantages in terms of construction time efficiency and quality control. This study contributes to the selection of appropriate floor slab construction methods by considering cost aspects.