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Elkawnie
Published by Universitas Islam Negeri Ar-Raniry Banda Aceh
ISSN : 24608912     EISSN : 24608920     DOI : -
Core Subject : Science, Engineering,
Biochemistry, Genetics & Molecular Biology Engineering
Elkawnie is a journal of Integration Science and Technology with Islam. It's covering research and technology in the field of study of Architecture, Biology, Chemistry, Environmental Engineering, ICT, Physical Engineering and other science and technology field. In particular, Elkawnie's journal discusses the development of research and technology in contributing to development as part of Muslim scientists in the academic sphere.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 460 Documents
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The Effect of Applied Voltage in The Electrocoagulation Process of Reducing Pond and River Water Turbidity Masthura Masthura
Elkawnie Vol. 6 No. 1 (2020)
Publisher : Faculty of Science and Technology Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ekw.v6i1.5538

Abstract

Abstract : The study about the effect of the applied voltage to decrease the water turbidity from local pond and river have been conducted. This study aims to investigate the ability of the electrocoagulation process in removing pollutants containing groundwater from the pond and river. The water sample obtained from Dusun I Paya Perupuk Tanjung Pura in Langkat Regency. Indonesia which has been reported having high water turbidity. A copper plate was used as a sacrificial electrode with a specific variation of applied voltage of 6, 9, and 12 Volts. The result showed that applying 9 and 12 volts of voltages were able to reduce 60% and 66% of water turbidity from water pond, respectively. In river water, both optimum applied voltages could reduce approximately 98% of water turbidity. The result indicated that the electrocoagulation process potentially devoted as an alternative way to treat the massive local groundwater.Abstrak : Penelitian mengenai pengaruh tegangan listrik terhadap penurunan kekeruhan air sumur dan air sungai pada proses elektrokoagulasi telah dilakukan. Penelitian ini bertujuan untuk mengetahui kemampuan proses elektrokoagulasi dalam menghilangkan polutan yang berada di air yang diperoleh dari air sumur dan air sungai. Sampel air diperoleh dari Dusun I Desa Paya Perupuk Tanjung Pura Kabupaten Langkat. Lapisan plat tembaga (Cu) digunakan sebagai elektroda dengan variasi spesifik voltase sebesar 6, 9, dan 12 volts. Hasil menunjukkan bahwa pemberian voltase 9 dan 12 dapat menurunkan kekeruhan air sumur sebesar 60 dan 66%. Pada sample air sungai, pemberian kedua voltase optimum dapat menurunkan 98% dari kekeruhan air. Hasil penelitian mengindikasikan proses elektrokoagulasi berpotensi sebagai sebuah cara alternative untuk mengolah air.
The Characterization of Oyster Shell (Crassostrea gigas) as Adsorbent in The Removal of Cr(VI) Ions. A Study of NaOH and H2SO4 Activation Effect Lia Handayani; Cut Rahmawati; Nurhayati Nurhayati; Yayuk Astuti; Adi Darmawan
Elkawnie Vol. 6 No. 1 (2020)
Publisher : Faculty of Science and Technology Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ekw.v6i1.5543

Abstract

Abstract : Oyster shell as one of the highest bio-waste in Alue Naga Aceh Besar District, Indonesia, was used as an adsorbent to remove a heavy metal Cr (VI) ion. The study was started by calcinating oyster shells at a high temperature of 800 ºC for 3 hours. The effect of various acid (H2SO4) and base (NaOH) activator was studied using characterization and adsorption experiments. The characterization obtained the sample activated by 10% NaOH (Na10-ACT) and 10% H2SO4 (H10-ACT) had the highest surface area which had 14.23 m2/g, 10.77 m2/g, respectively. Furthermore, the adsorption experiments confirmed the highest surface area by showing the highest Cr (IV) ion removal of 57.66%, 70.7%, respectively. The further investigation using X-ray fluorescence (XRF) determined that the Na10-ACT adsorbent has a better composition compared to the H10-ACT due to its high purities.Abstrak : Cangkang tiram sebagai salah satu bio-limbah padat di Desa Alue Naga Kabupaten Aceh Besar, digunakan sebagai adsorben untuk menghilangkan ion logam berat Cr (IV). Penelitian ini diawali dengan mengkalsinasi cangkang tiram pada temperatur tinggi 800ºC selama tiga jam. Pengaruh penambahan aktivator asam (H2SO4) dan basa (NaOH) juga dipelajari melalui karakterisasi dan pengujian adsorpsi. Hasil karakterisasi menunjukkan sampel yang diaktivasi dengan 10% NaOH (Na10-ACT) dan 10% H2SO4 (H10-ACT) memiliki luas permukaan tertinggi yaitu 14,23 m2/g, 10,77 m2/g, masing-masing. Lebih lanjut, pengujian adsorpsi juga mendukung luas permukaan yang tinggi dengan menghilangkan ion Cr (IV) sebesar 57,66%, 70,7%, masing-masing. Investigasi melalui analisa XRF menyimpulkan bahwa Na10-ACT memiliki komposisi yang lebih baik dibanding H10-ACT karena memiliki kemurnian yang tinggi.
Integrated Email Management System Based Google Application Programming Interface Using OAuth 2.0 Authorization Protocol Zuhar Musliyana; Andita Ghaitsa Satira; Mahendar Dwipayana; Ayu Helinda
Elkawnie Vol. 6 No. 1 (2020)
Publisher : Faculty of Science and Technology Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ekw.v6i1.5545

Abstract

Abstract : Google Apps is a service provided by Google that allows users to use Google products with their own domain names. Among the products offered by Google Apps are email (Gmail), Docs (Google Drive), and Classroom services. In addition, Google Apps also provides Application Programming Interface (API) services that can be used by developers to take advantage of various features provided by Google. Universitas Ubudiyah Indonesia (UUI) is one of the universities that use Google Apps service for managing student emails. At present, UUI student email management through Google Apps is still not integrated with academic information system data. As a result, UUI must allocate special resources for managing student emails manually. Based on these problems, this study proposes an integration system for UUI student email management using the Google Apps API. This system is designed using PHP programming. The Google Apps API authentication method uses OAuth 2.0. The results of this study indicate that student email management on Google Apps can be done through campus academic information systems. With this system, students can activate email independently without having to be registered manually to the Google Apps page by the campus email managers.Abstrak : Google Apps adalah sebuah layanan yang disediakan oleh Google yang memungkinkan pengguna dapat menggunakan produk google dengan nama domain sendiri. Di antaranya produk yang disediakan Google Apps yaitu layanan email (Gmail), dokumen (Google Drive), dan Classroom. Selain itu, Google Apps juga menyediakan layanan Application Programming Interface (API) yang dapat dimanfaatkan oleh pengembang untuk memanfaatkan berbagai layanan yang disediakan oleh Google. Universitas Ubudiyah Indonesia (UUI) merupakan salah satu universitas yang menggunakan layanan Google Apps untuk pengelolaan email mahasiswa. Saat ini pengelolaan email mahasiswa UUI melalui Google Apps masih belum terintegrasi dengan data sistem informasi akademik. Akibatnya UUI harus mengalokasikan sumber daya khusus untuk mengelola email mahasiswa secara manual. Berdasarkan permasalahan tersebut penelitian ini mengusulkan sistem integrasi pengelolaan email mahasiswa UUI menggunakan API Google Apps. Sistem ini dirancang menggunakan pemograman PHP. Metode autentikasi API Google Apps menggunakan OAuth 2.0. Hasil penelitian ini menunjukkan pengelolaan email mahasiswa pada Google Apps dapat dilakukan melalui sistem informasi akademik kampus. Dengan adanya sistem ini mahasiswa dapat melakukan aktivasi email secara mandiri tanpa harus didaftarkan secara manual ke halaman Google Apps oleh pengelola email kampus.
Estimation of Orangutan Population in Sibongkaras Pakpak Bharat Village Forest Area Juhardi Sembiring; Taufiq Siddiq Azvi
Elkawnie Vol. 6 No. 1 (2020)
Publisher : Faculty of Science and Technology Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ekw.v6i1.5549

Abstract

Abstract : Orangutan is classified as an endangered species. Forest clearance for a variety of purposes and functions over the region led to the limited habitat for orangutans. Orangutans habitat is fragmented into several regions led to the survival of a population of a species depends on habitat conditions. Performing a nest survey is important to give a deeper understanding of the ecology and help determine the best protective management measures. We provide basic data of orangutan density and orangutan nesting characteristics in protected forest area Sibongkaras village. This study was conducted in April 2019 until June 2019 in protected forest area Sibongkaras village, Pakpak Bharat. Tracking begins with observed the presence of a nest based on a purposive sampling method. And data retrieval was done by line transect method. Data analyzed at Universitas Nahdlatul Ulama Sumatera Utara. Our result showed that the orangutan population density was 0.0072 individuals/km2 or 0.72 individuals/ha. The dominant position of the nest is in a position which is a position I nest close to the main stem of the tree with the nest number 13 (43.3%). Generally, the nest is found at an altitude of  >15 meters with a sum of 27 nests (90%).Abstrak : Orangutan diklasifikasikan sebagai spesies yang terancam punah. Penebangan hutan untuk berbagai tujuan dan fungsi di kawasan tersebut menyebabkan terbatasnya habitat orangutan. Habitat orangutan yang terfragmentasi menjadi beberapa wilayah menyebabkan kelangsungan hidup suatu populasi suatu spesies tergantung pada kondisi habitat. Melakukan survei sarang penting untuk memberikan pemahaman yang lebih dalam tentang ekologi dan membantu menentukan langkah-langkah manajemen perlindungan terbaik. Kami menyediakan data dasar kepadatan orangutan dan karakteristik sarang orangutan di kawasan hutan lindung Desa Sibongkaras. Penelitian ini dilakukan pada bulan April 2019 hingga Juni 2019 di kawasan hutan lindung Desa Sibongkaras, Pakpak Bharat. Pengamatan dimulai dengan mengamati keberadaan sarang berdasarkan metode purposive sampling. Dan pengambilan data dilakukan dengan metode transek garis. Data yang diperoleh di analisis di Universitas Nahdlatul Ulama Sumatera Utara. Hasil Penelitian kami menunjukkan kepadatan populasi orangutan di 0,0072 individuals/km2 atau 0,72 individu / ha. Posisi sarang yang dominan adalah pada posisi sarang yang berada di posisi paling dekat dengan batang utama, dengan jumlah sarang 13 (43,3%). Umumnya sarang ditemukan di ketinggian > 15 meter dengan jumlah 27 sarang (90%).
Edible Film dari Karaginan (Eucheuma cottonii) Asal Aceh, Indonesia : Karakterisasi dengan FTIR dan SEM Reni Silvia Nasution; Muhammad Ridwan Harahap; Husnawati Yahya
Elkawnie Vol. 5 No. 2 (2019)
Publisher : Faculty of Science and Technology Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ekw.v5i2.5567

Abstract

Edible film karaginan merupakan salah satu alternatif pengganti kemasan plastik yang sulit terdegradasi di alam dan aman bagi bahan pangan. Karaginan merupakan hasil ekstraksi salah satu jenis rumput laut yaitu Eucheuma cottonii. Tujuan penelitian ini untuk mengetahui gugus fungsi dari edible film dengan variasi konsentrasi karaginan dan sifat permukaan dari edible film karaginan dengan SEM. Pemanfaatan karaginan hasil ekstraksi E.cottonii asal Aceh untuk pembuatan edible film diharapkan dapat meningkatkan potensi budidaya E.cottonii di Aceh. Tahapan penelitian dilakukan dengan dua tahap, tahap pertama proses ekstraksi karaginan dari E. cottonii dengan penggunaan KOH 14% dan tahap kedua pembuatan edible film dengan varisi konsentrasi karaginan 0,1%; 0,2%; 0,3% (b/v) dengan penambahan PEG sebagai plasticizer. Hasil FTIR menunjukkan gugus fungsi ester sulfat, ikatan glikosidik, 3,6 anhidro-d-galaktosa, gugus OH dan CH dengan bilangan gelombang berturut-turut pada rentang 1246,36-1246,9 cm-1 , 1072-1074 cm-1, 932-934 cm-1,  3370- 3382 cm-1, dan 2876-2880 cm-1. Perubahan bilangan gelombang edible film karaginan dibandingkan dengan FTIR karaginan hasil ekstraksi pada penelitian sebelumnya menunjukkan adanya interaksi antara karaginan dengan plasticizer PEG yang ditambahkan. Pengujian morfologi pada edible film pada konsentrasi karaginan 0,1% dan 0,2% dengan SEM menunjukkan permukaan yang homogen dan kontinyu, sedangkan pada konsentrasi 0,3% edible film tidak terbentuk.
Inhibition of α-Glucosidase Activity and The Toxicity of Tristaniopsis merguensis Griff. Leaf Extract Robby Gus Mahardika; Occa Roanisca; Fajar Indah Puspita Sari
Elkawnie Vol. 6 No. 1 (2020)
Publisher : Faculty of Science and Technology Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ekw.v6i1.5732

Abstract

Abstract : This study aims to determine the antidiabetic activity and toxicity of the acetone extract of Tristaniopsis merguensis Griff leaf. The antidiabetic test was the α-glucosidase inhibition method, while the toxicity test used the Brine Shrimp Lethality Test (BSLT) method. The acetone extract possessed antidiabetic activity with an IC50 value of 8.83 ± 0.31 (μg/mL). This value is not much different from the positive control of quercetin which has an IC50 value of 6.04 ± 0.14 (μg/mL). The characteristics of the FT-IR spectrum of acetone extract showed that Tristaniopsis merguensis leaf has the groups Ar-OH (phenolic), -OH (hydroxyl), C=O (ketone) and C=C (aromatic). Based on the toxicity test, the Tristaniopsis merguensis leaf acetone extract has an LC50 value of 959.25 ppm which means that the acetone extract is toxic. Therefore, the acetone extract of Tristaniopsis merguensis might be the potential agent of antidiabetic.Abstrak : Penelitian ini bertujuan untuk mengetahui aktivitas antidiabetes dan toksisitas dari ekstrak aseton daun Tristaniopsis merguensis Griff. Uji aktivitas antidiabetes ditentukan berdasarkan metode inhibisi enzim α-glucosidase, sedangkan toksisitas ditentukan berdasarkan metode Brine Shrimp Lethality Test (BSLT). Ekstrak aseton memiliki aktivitas antidiabetes dengan nilai IC50 8,83 ± 0,31 (μg/mL). Nilai ini tidak jauh berbeda dengan kontrol positif quersetin yang memiliki nilai IC50 6,04 ± 0,14 (μg/mL). Karakteristik spektrum FT-IR ekstrak aseton menunjukkan bahwa daun Tristaniopsis merguensis memiliki gugus fungsi Ar-OH (fenolik), -OH (hidroksil), C=O (keton) dan C=C (aromatik). Berdasarkan uji toksisitas, ekstrak aseton daun Tristaniopsis merguensis memiliki nilai LC50 sebesar 959,25 ppm yang berarti bahwa ekstrak aseton bersifat toksik. Oleh karena itu, ekstrak aseton dari Tristaniopsis merguensis berpotensi untuk dijadikan agen antidiabetes.
Usability Evaluation of Islamic Learning Mobile Applications Syeda Hamna Bibi; Rumsha Muhammad Munaf; Narmeen Zakaria Bawany; Arifa Shamim; Zara Saleem
Elkawnie Vol. 6 No. 1 (2020)
Publisher : Faculty of Science and Technology Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ekw.v6i1.5920

Abstract

Abstract : The trend of using mobile devices for the purpose of learning is gaining momentum. Apart from traditional education, various applications are being developed for religious learning. Pakistan is inhabited by around 98% of Muslims.  Hence, the informal learning of Islam is essential for Muslim child development. This research presents a usability study of different Islamic learning mobile applications available on the android platform for children. The purpose of this research is to evaluate the usability of different Islamic learning mobile applications for children of diverse age groups in order to understand what design principles must be followed that increase the usability of the application. The main focus of this research is to observe and evaluate how easily children of different age groups respond to different applications, how effectively the children understand the core features of the applications and how easily they are able to use the application by themselves. 
Anticancer Activity of N-Hexane Extract from Sphagneticola trilobata (L.) J.F Pruski Against MCF-7 Breast Cancer Cell Vivi Mardina; Tisna Harmawan; Halimatussakdiah Halimatussakdiah; Syafruddin Ilyas; Masitta Tanjung
Elkawnie Vol. 6 No. 1 (2020)
Publisher : Faculty of Science and Technology Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ekw.v6i1.6183

Abstract

Abstract : Sphagneticola trilobata (L.) J.F. Pruski is one of the perennial herbs that is widely used by the national and international community to treat various diseases including cancer. The objective of this study was to assessment the anticancer activity of n-hexane extract of S. trilobata leaves for inhibiting the growth of MCF-7 breast cancer cells in vitro by MTT (microculture tetrazolium salt) method. The n-hexane extract of sernai leaves was obtained from the maceration process of samples that were collected from the Langsa city, Aceh. The cytotoxicity test was carried out by incubating MCF-7 cells which had been exposed to several series of sample levels, viz. 1000; 500; 100; 50; 25; 10; 5 and 1 µg/mL. LC50 values are calculated using probit analysis. The results revealed that the n-hexane extract of S. trilobata leaves was cytotoxic against breast cancer cells (MCF-7) with an LC50 value of  0.037 μg /mL.Abstrak : Sphagneticola trilobata (L.) J.F. Pruski merupakan salah satu tanaman herbal yang digunakan secara luas oleh masyarakat nasional dan internasional untuk mengobati berbagai penyakit termasuk kanker. Penelitian ini bertujuan untuk mengetahui aktivitas antikanker ekstrak n-heksana daun S. trilobata dalam menghambat pertumbuhan sel kanker payudara MCF-7 secara in vitro dengan metode MTT (microculture tetrazolium salt). Ekstrak n-heksana daun sernai diperoleh dari proses maserasi sampel yang dikoleksi dari kota Langsa, Aceh. Uji sitotoksisitas dilakukan dengan menginkubasi sel MCF-7 yang telah dipaparkan beberapa seri  kadar sampel yaitu 1000, 500, 100, 50, 25, 10, 5 dan 1 µg/mL. Nilai LC50 dihitung dengan menggunakan analisa probit. Hasil penelitian menunjukkan bahwa ekstrak n-heksana daun S. trilobata bersifat sitotoksik terhadap sel kanker payudara (MCF-7) dengan harga LC50 sebesar 0,037 µg/mL. 
Application of Gost Algorithm For The Safety of Data Sending of General Election Novan Wijaya
Elkawnie Vol. 6 No. 1 (2020)
Publisher : Faculty of Science and Technology Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ekw.v6i1.6211

Abstract

Abstract : The rapid development of the internet has an impact on the security of data sent using internet media. One government agency that uses the internet as data transmission includes the KPU. Data transmission becomes very risky especially the data sent is very important and even confidential. In the internet world, there are many threats and ways to change or retrieve data sent via the internet. Indonesia in particular has conducted direct elections but the data that are in the regions which are the results of recapitulation of the elections will be sent via the internet with a system provided by the KPU. Data from the recapitulation of regional elections becomes very important because it can be changed by intruders. Secure the data sent, methods such as cryptographic techniques that can minimize interference from intruders are needed. One algorithm that can be applied as data security is the GOST algorithm. The GOST algorithm is designed to take a balance between data efficiency and security. Cryptographic techniques that use the GOST algorithm are expected to be able to increase the security of sending election results from various threats without reducing the performance of sending data. The rapid development of the internet has the impact of the security of data sent using internet media. One government agency that uses the internet as data transmission includes the KPU. Data transmission becomes very risky especially the data sent is very important and even confidential. In the internet world, there are many threats and ways to change or retrieve data sent through internet media. Indonesia in particular has conducted direct elections but the data that are in the regions which are the results of recapitulation of the elections will be sent via the internet with a system provided by the KPU. Data from the recapitulation of regional elections becomes very important because it can be changed by intruders. Secure the data sent, methods such as cryptographic techniques that can minimize interference from intruders are needed. One algorithm that can be applied as data security is the GOST algorithm. The GOST algorithm is designed to take a balance between data efficiency and security. Cryptographic techniques that use GOST algorithm can improve the security of sending election results from various threats without reducing the performance of sending data. Election result data that was conducted during the testing was the Ogan Ilir regional election recap data. Tests that have been carried out using the GOST algorithm using WireShark produce stream files sent over the network are not easily identified because they are converted into random strings, so it takes a long time to analyze them.Abstrak : Perkembangan internet yang sangat cepat mempunyai dampak diantranya keamanan data yang dikirim menggunakan media internet. Salah satu instansi pemerintahan yang menggunakan internet sebagai pengiriman data diantaranya KPU. Pengiriman data menjadi sangat beresiko terlebih data yang dikirimkan sangat penting bahkan bersifat rahasia. Didunia internet terdapat banyak ancaman serta cara dalam mengubah atau mengambil data yang dikirimkan melalui media internet. Indonesia pada khususnya telah melakukan pemilu secara langsung tetapi data-data yang berada pada daerah yang merupakan hasil rekapitulasi dari pemilu akan dikirimkan melalui internet dengan sistem yang telah disediakan oleh KPU. Data hasil rekapitulasi pemilu suatu daerah menjadi sangat penting dikarenakan bisa diubah oleh intruder. Untuk mengamankan data yang dikirimkan diperlukan metode seperti teknik kriptografi yang bisa meminimalisir gangguan dari para intruder. Salah satu algoritma yang bisa diterapkan sebagai keamanan data yaitu algoritma GOST. Algoritma GOST dirancang agar mengambil keseimbangan antara efisiensi dan keamanan data. Teknik kriptografi yang menggunakan algoritma GOST mampu meningkatkan keamanan pengiriman data hasil pemilu dari berbagai ancaman tanpa mengurangi performansi dari pengiriman data. Data hasil pemilu yang dilakukan saat pengujian ialah data rekap pilkada Ogan Ilir. Pengujian yang telah dilakukan menggunakan algoritma GOST menggunakan wireshark menghasilkan stream file yang dikirim melalui jaringan tidak mudah diidentifikasi dikarenakan diubah menjadi string acak sehingga membutuhkan waktu yang lama untuk menganalisanya.
Hotel Building Reliability Towards Building Age Syukri Indrawansyah; Abdullah Abdullah; Cut Zukhrina Oktaviani
Elkawnie Vol. 6 No. 2 (2020)
Publisher : Faculty of Science and Technology Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ekw.v6i2.6313

Abstract

Abstract: Mahara Hotel is a tourism-supporting facility and infrastructure first established in Central Aceh District in 1999. This 3-story hotel used a reinforced concrete frame structure, and as time goes by, the service capacity of the building would decrease. This condition was suspected to affect quality and user convenience. Anticipate the older age of the building, and better maintenance management is applied so that the proper building’s function can be maintained. The purpose of this study was to assess the reliability of 20 year-established hotel buildings. The method was a descriptive analysis. Data were analyzed based on the guidelines of Technical Procedures for Guidelines for Certificate of Eligibility for Functions (SLF) of Buildings Regulation of  Minister of Public Works No. 25/PRT/M/2007. Based on the results, the reliability value of the Mahara Hotel building was unreliable (66.75 %), less than the SLF guidelines (at least 75 %). Some components that caused a low level of reliability to include utility and fire protection components (20.34 %) and accessibility components (3.11 %). The effective and efficient component in increasing the reliability of the building was the utility and fire protection components by not requiring major demolition.Abstrak: Hotel Mahara merupakan sarana dan prasarana penunjang pariwisata yang pertama kali berdiri di Kabupaten Aceh Tengah pada tahun 1999. Hotel berlantai 3 ini menggunakan struktur rangka beton bertulang dan seiring dengan berjalannya waktu, daya layan gedung akan semakin menurun. Kondisi ini ditenggarai akan mempengaruhi kualitas dan kenyamanan pengguna. Untuk mengantisipasi hal tersebut, maka semakin tua umur bangunan, seharusnya didukung dengan penerapan manajemen pemeliharaan yang baik agar kelayakan fungsi dari bangunan dapat dipertahankan. Tujuan dari penelitian ini untuk menilai keandalan bangunan hotel setelah berumur 20 tahun. Metode yang digunakan adalah analisis deskriptif. Data dianalisis berdasarkan panduan Teknis Tata Cara Pedoman Sertifikat Laik Fungsi (SLF) Bangunan Gedung Peraturan Menteri Pekerjaan Umum No. 25/PRT/M/2007. Berdasarkan hasil penelitian, nilai keandalan bangunan gedung Hotel Mahara termasuk tidak andal yaitu sebesar 66.75 %, kurang dari yang dipersyaratkan oleh pedoman SLF tersebut yaitu minimal 75 %. Beberapa komponen yang menyebabkan rendahnya tingkat keandalan anatara lain komponen utilitas dan proteksi kebakaran sebesar 20.34 % serta komponen aksesibilitas sebesar 3.11 %. Komponen yang efektif serta efisien dalam menaikkan tingkat keandalan bangunan gedung tersebut adalah komponen utilitas dan proteksi kebakaran dengan tidak mengharuskan pembongkaran yang besar.

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