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Muhammad Nizar
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muhammad.nizar@serambimekkah.ac.id
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serambiengineering@serambimekkah.ac.id
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Fakultas Teknik, Universitas Serambi Mekkah Jalan Unmuha, Batoh, Telp. (0651) 26160 dan (0651) 22471 Banda Aceh, Indonesia
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INDONESIA
Serambi Engineering
Published by Universitas Serambi Mekkah Aceh
ISSN : 25283561     EISSN : 25411934     DOI : http://doi.org/10.32672/jse
Core Subject : Science, Social, Engineering,
Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering
The Serambi Engineering journal is published as a medium to distribute information on research results in engineering and science, both carried out by lecturers from the Serambi Mekkah University and other parties. Published research can be in the form of field research or laboratory research as well as a literature review. This journal is published four times yearly, namely January, April, July, and October. Editors accept manuscripts from lecturers, researchers, students, and practitioners that have never been published by any other media. Manuscripts submitted will be evaluated and edited for uniformity of format, terms, and other procedures. The topics that can be published but are not limited to are: Water & Waste Water Quality Solid Waste Management Air Pollution Control Environmental Health Environmental Modeling Environmental Management Water Resources Management Occupational Health & Safety Ecology Renewable Energy Circular Economics Sustainable Development Climate Change Mitigation and Adaptation Climate Change and Water Resources Adaptation Urban Planning Informatics Computer and Technology Industrial Engineering Other .
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Teknik Lingkungan
Articles 964 Documents
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Permodelan Sebaran BOD dan COD Sebagai Parameter Kualitas Air Baku Sungai Awang Kabupaten Barito Timur Provinsi Kalimantan Tengah Vidya Restu Wijaya; Nomeritae; Raden Haryo Saputra
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

This research aimed to modeling chemical parameters in water, consist of BOD (Biological Oxygen Demand) and COD (Chemical Oxygen Demand) in Awang River, at Hayaping Village, Awang District, East Barito Regency, Central Kalimantan Province. Apart from obtaining BOD and COD values ​​from laboratory and modeling results, this research also aimed to determine manning values ​​and dispersion coefficient (D). The results of longitudinal and transverse measurements as well as the measured discharge were used as input for flow modeling using HEC-RAS 1 D. The discharge at the monitoring point from the modeling results was then compared with the discharge from the measurements, to determine the magnitude of the manning value. Next, water quality modeling was carried out to determine the dispersion coefficient value so that the distribution of BOD and COD parameters from the modeling results approached to laboratory results. From laboratory results, BOD values ​​were obtained ranging from 5.8-9.0 mg/L and COD values ​​of 4.58 mg/L, manning values ​​of 0.03 and Dispersion coefficient values ​​of D=0.277.
Perencanaan Instalasi Pengolahan Air Minum di Kecamatan Cisarua, Kabupaten Bandung Barat Aditya Rifqi Rizqullah; Mohammad Rangga Sururi; Etih Hartati
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The Cisarua Subdistrict is part of West Bandung Regency with a population of 80,298 people in the year 2022 and an area of 55.63 km2. The development of West Bandung Regency is related to the increasing demand for drinking water. The Regional Water Company (PDAM) is needed to meet the supply of water and ensure its quality is safe. The planning of the Drinking Water Treatment Plant (IPAM) is aimed at planning the water needs in Cisarua Subdistrict, West Bandung Regency to be sufficient for the next 20 years. To plan the IPAM, it is necessary to carry out population projections, water demand projections, water quality analysis and unit selection. The projected population in the year 2042 using the arithmetic method is 105,628 people, and the projected total water demand is 210 L/second. In the results of this planning, the treatment units used are intake, coagulation, flocculation, sedimentation, and disinfection.
Identifikasi Usability User Experience Penggunaan Aplikasi Online Food Delivery dengan Metode USE Riski Arifin; Rika Sri Utami
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The online food delivery services are currently increasingly being used by the public; this is due to the convenience felt by consumers when using these online services. There are 3 large companies that currently have market share in Indonesia. Competition is not only based on the number of collaborating outlets, apart from the usability of an application. Usability is a measurement of the ease with which an application can achieve its intended use. USE is a usability test based on user experience to see usefulness, ease of use, ease of learning and satisfaction in using the application. This research aims to assess 3 applications from consumer experiences using a use questionnaire. This research used 239 respondents who were divided into 3 application users, namely go-food, grab food, shopee food. The results obtained in this research found that the variables used were very feasible from the value range of 80.99 units to 97.2 units. So it shows that these 3 applications are easy for the public to use and making applications that are easy to use makes online food delivery users net promoters of other users.
Identifikasi Kinerja IPAL Komunal Domestik Terbangun Sebelum Tahun 2012 di Kota Besar Indonesia (Studi Kasus IPAL RW 17 Melong Kota Cimahi) Fahry Rachmayadi; Moh. Rangga Sururi
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Waste water treatment installation (WWTP) in RW 17 Melong Cimahi City according to UPTD Cimahi City Wastewater was built before 2016, so it was designed with reference to the old standard of wastewater quality, namely the Environment Ministry Regulation No. 5 of 2014. The aim of this study is to evaluate the performance of the municipal WWTP built before the latest regulation namely PermenLHK No. 68 Year 2016 came into force. In this study, the identification of the pipe network path and the measurement of wastewater discharge is done directly to compare with the theoretical calculation of discharges. Then the WWTP performance analysis is performed by comparing the treatment results with the quality standards. The results of the study showed that the parameters TSS, Ammonia, COD, BOD, Total Coliform did not meet the standard quality standards and only pH and Fatty Oils matched the quality standards. The study also identified the operational patterns that caused the condition to occur.
Simulation of Harmonic Mitigation in the Crusher System: A study at A Coal Company in Borneo Bintang Bhakti Nugraha; Ridha Yasser; Wahdiyatun Nisa
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

In the coal mining industry environment of PT. Baramulti Suksessarana Tbk (BSSR), the issue of electrical energy quality receives special attention, particularly due to the use of non-linear equipment such as induction motors which trigger harmonics. These harmonics impact operational efficiency and affect equipment. This study aims to address this issue by designing a Single tuned passive harmonic filter, following IEEE standards, to handle the increase in Total Harmonic Distortion (THD) of current and voltage. From the initial analysis, the system's THD was recorded at 20.04%, indicating significant harmonic disturbances. With a specific harmonic filter design, including capacitor values, inductive reactance (XL), and resistors, this study successfully reduced the THD to 5.55%, demonstrating the effectiveness of the filter in reducing the negative impact of harmonics. The conclusion of this study highlights the importance of implementing passive harmonic filters in improving the quality of electric power in industrial environments, especially in the BSSR coal mine. This research provides essential guidance for practitioners in designing harmonic filters and contributes to improving the quality of electric power in the coal mining industry.
Kajian Ergonomi Meja Dan Kursi Pada Cafe Studi Kasus: Cafe Toko Kopi Kiri Kota Banda Aceh Andrian; Eggy Fahrizy Manda; Zulfikar Taqiuddin
Jurnal Serambi Engineering Vol. 9 No. 1 (2024): Januari 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Architectural design plays a crucial role in arranging the space and interior design of a cafe. The comfort of the facilities provided by the venue management is a key factor in determining the level of service satisfaction for visitors. Properly fulfilling the compatibility of facilities with user ergonomics will create a comfortable environment for activities in Lamteh District. In Ulee Kareng, Banda Aceh City, there is a cafe named Toko Kopi Kiri that serves food and drinks. The cafe is a popular spot for millennial residents of Banda Aceh City to stay in touch and socialize. However, the cafe's facilities are inadequate for long-term activities in terms of comfort, as observed in the field. This research uses qualitative methods to input data on the facilities and quantitative methods to process the data. The reference for this research employs literature studies on size standards. The research findings indicate that the facilities used at the Toko Kopi Kiri cafe do not meet ergonomic standards.
Analisis Perbaikan Sistem Kerja dengan Penerapan Metode 5R di Bengkel Bina Motor Service Jakarta Utara Indra Rizki Pratama; Arif Dzulfikar; Busharmaidi; Fredy Sumasto; Isma Wulansari
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The existence of quite tight competition in the automotive sector, especially workshops, makes customers more careful in choosing a quality workshop. The work system of the Bina Motor Services and Spare Parts workshop is classified as inefficient, because customers still wait quite a long time when carrying out motorbike services. Therefore, the aim of this research is to apply the 5Rs to create a more efficient and productive work system. The research method used is qualitative through observation and interviews to determine deficiencies in each stage of the 5S and the solutions. Implementation of 5R in the Bina Motor Services and Spare Parts workshop starts from the first stage, seiri, cleaning and disposing of unused items so that the work space becomes wider. The second stage, seiton, at this stage the activities carried out are grouping workshop equipment so that equipment is picked up more quickly by a mechanic. In the third stage, seiso, routine cleaning of workshop equipment from dust, dirt and oil is carried out. The fourth stage, seiketsu, there is a checklist so that the implementation of 5R is carried out continuously. In the final stage, shitsuke, there is a 5R poster put up to remind all Bina Motor Services and Spareparts workshop employees to always implement 5R in the workshop.
Perancangan Jig Machining untuk Perbaikan Electroda ST-03 Sanurya Putri Purbaningrum; Arif Muttaqin; Fredy Sumasto; Edwin Sahrial Solih
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The automotive industry in Indonesia is one of the priority industrial sectors that is developing quite rapidly. The automotive component production process in industry generally includes the molding process, welding process, assembly process, and automotive component quality control process. During the welding process,the ST-03 electroda used by PT ST-03 electroda repairs were carried out using a CNC Milling machine. The electroda repair process is carried out one by one with a total time of 120 minutes or 2 hours per day. The large amount of time required for the repair process makes loading parts hampered. Therefore, a jig machining design was carried out to speed up the electroda repair process. The ST-03 jig machining material used is SS 400 iron. The product design was carried out using CAD software and then simulated using CAM. The simulation results show that the use of jig machining can reduce production time by 98%or 118 minutes. This is because in one set up you can repair 20 electrodas so that in 1 day you only need to do 3 set ups. The profit obtained from using the ST-03 jig machining electroda is 166,500,000 rupiah per year.
Pengaruh Gradasi Pasir Terhadap Kekuatan Tekan dan Penyerapan Paving Blok Geopolimer Sandri L. Sengkey; Geertje E. Kandiyoh; Stefani S. Peginusa; Dwars Soukotta
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The quality of paving blocks is greatly influenced by many factors, one of which is sand as the constituent material. Sand has various types and different gradations based on grain size distribution. This difference in sand gradation is the focus of research to determine the effect of sand gradation on the compressive strength and absorption of geopolymer paving blocks made from fly ash. The geopolymer block paving mixture is made with a composition of 10M NaOH, a Na2SiO3/NaOH ratio of 2.5, an alkali activator/FA solution ratio of 0.4 and curing at ambient temperature. The test results show the influence of sand gradation on compressive strength and absorption. The highest compressive strength and lowest absorption values were obtained in the Z3-BP and Z2-AB mixtures. There is a relationship between compressive strength and absorption. The smaller the paving absorption value, the greater the compressive strength.
Kajian Potensi Genangan dan Waktu Tiba Tsunami Di Kota Lhokseumawe Ibrahim; Tursina; Syarifah Keumala Intan; Mirza Fahmi; Zairipan Jaya; Abdullah Irwansyah
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Lhokseumawe was one of the towns affected by the 2004 tsunami. During the last tsunami, tsunami waves arrived last on the coast of Lhokseumawe compared to the western and northern coastal areas of Aceh. Therefore, this tsunami modelling study was conducted to determine the arrival time of tsunami waves onthe coast of Lhokseumawe city and to determine the affected areas from the tsunami inundation map information. The method used is tsunami numerical modelling using the COMCOT (Cornell Multi Grid Coupled Tsunami Model) model. The earthquake source used to generate the tsunami is a 9.15 Mw earthquake of the magnitude of the 2004 earthquake, 8.0 Mw and 8.5 Mw earthquake scenarios. Bathymetric data were used to provide information on sea depth and topographic data to provide information on land elevation in the study area. Observation points were placed on the coast to record when the waves reached the coast. The maximum tsunami height occurred in Blang Mangat subdistrict with a tsunami height of 5 m and inundation distance of 1 km. The arrival time of the tsunami in Lhokseumawe town was 75-80 min after the earthquake. This information on tsunami height and arrival time can be used as preliminary information for tsunami mitigation planning and rapid response in the event of an earthquakewith tsunami potential.

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