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Jurnal Serambi Engineering
Published by Universitas Serambi Mekkah Aceh
ISSN : 25283561     EISSN : 25411934     DOI : https://doi.org/10.32672/jse
Core Subject : Science, Social, Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Environmental Science
Jurnal Serambi Engineering diterbitkan oleh Fakultas Teknik Universitas Serambi Mekkah Banda Aceh. Jurnal ini diterbitkan sebagai media untuk menyalurkan informasi hasil penelitian dibidang keteknikan baik yang dilakukan oleh para dosen dari Fakultas Teknik, khususnya dari Universitas Serambi Mekkah maupun dari pihak lain. Penelitian yang dipublikasikan dapat berupa penelitian lapangan maupun laboratorium serta kajian literatur.
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Articles 1,178 Documents
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Penentuan Prioritas Kriteria Pada Proses Rekrutmen dan Seleksi Karyawan Menggunakan Metode Analytic Hierarchy Process di PT Citatah Tbk Ikah Ikah; Risma Fitriani
Jurnal Serambi Engineering Vol 7, No 2 (2022): April 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i2.3957

Abstract

Abstract As the initial phase in the recruiting process, recruitment and selection must be done properly, efficiently, effectively, and objectively so that the hired personnel are qualified, have high credentials, and can perform their responsibilities according to their positions. Using the Analytic Hierarchy Process (AHP) technique, this study attempts to find the most important factors for employee acceptability at PT Citatah Tbk. Experience, education, age, psychological tests, skills, interviews, height, and location of recruiting jobs are some of the recruitment criteria employed by PT Citatah Tbk HR GA Department. Analytic Hierarchy Process (AHP) is a method for solving Multicriteria Decision Making (MCDM) problems using a decision support system. The results show that age is the first criterion in the employee recruitment process, with a weight of 0.2664, education is the second criterion with a weight of 0.2047, experience is the third criterion with a weight of 0.1495, skill is the fourth criterion with a weight of 0.1209, a psychological test is the fifth criterion with a weight of 0.0918, an interview is the sixth weight with a weight of 0.0728, the seventh weight, with a weight of 0.530, is length, and the eighth weight, with a weight of 0.0409, is the location of the recruiting position.Keywords: Recruitment, criteria, employee, analytic hierarchy process, selection. AbstrakRekrutmen dan seleksi sebagai langkah awal dalam proses penerimaan karyawan harus dilakukan secara akurat, efisien, efektif dan obyektif agar pegawai yang direkrut berkualitas, memiliki kualifikasi tinggi, dan mampu menjalankan tugas sesuai jabatannya. Tujuan dari penelitian ini adalah untuk menentukan kriteria prioritas perekrutan karyawan di PT Citatah Tbk dengan menggunakan salah satu metode Multi Criteria Decision Making (MCDM), yaitu Analytic Hierarchy Process (AHP). Penerapan metode MCDM tepat digunakan untuk menyelesaikan masalah multi kriteria seperti pada penelitian ini. Beberapa kriteria pada penerimaan karyawan yang digunakan oleh Departemen HR GA PT Citatah Tbk adalah pengalaman, pendidikan, usia, psikotes, keterampilan, wawancara, tinggi badan dan lokasi posisi rekrutmen. Hasil penelitian menunjukkan bahwa kriteria pertama saat merekrut karyawan adalah usia dengan bobot 0,2664, kedua pendidikan dengan bobot 0,2047, ketiga pengalaman dengan bobot 0,1495, keempat skill dengan bobot 0,1209, kelima adalah psikotes dengan bobot 0,0918, keenam interview dengan bobot 0,0728, ketujuh tinggi badan dengan bobot 0,530, dan kedelapan penempatan lokasi rekrutmen dengan bobot 0,0409.Kata Kunci: Rekrutmen, kriteria, karyawan, analytic hierarchy process, seleksi.
Pengukuran Beban Kerja Operator Menggunakan Metode 10 Denyut di PT. Wirataco Gaustama Putra; Jefri Zikrullah
Jurnal Serambi Engineering Vol 7, No 2 (2022): April 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i2.3919

Abstract

PT. WIRATACO is an industry with experience in road construction and construction located in the village of Keude Linteung, Seunagan Team, Nagan Raya Regency, Aceh Province. At PT.WIRACO there is a target that must be achieved so that every operator on the creaser machine works harder. However, the high demand by consumers is not fully resolved. thus causing the operator to feel tired and at least a sense of anticipation of an accident at work. the work risk that occurs in the work operator is high with work accidents that may occur. Factors that can also be caused by the workload is a hot work environment. Based on these problems, it is necessary to do research on the physical workload of each operator by applying the 10 pulse method. This research was conducted directly without the influence of other parties. From the results From the results of research conducted on 9 creaser machine operators, it can be said that 3 operators with a heavy work percentage (11.97-25.16%) and 6 operators with a light workload percentage (32.41-39.78%.) and can lock that 6 operators do not need repairs and 3 operators need repairs. Improvements given are additional rest time for operators who experience excessive workloads, the company can also provide work motivation to operators through giving gifts every month or can provide work motivation directly.            
Efisiensi Pemilihan Pelat Baja pada Rehabilitasi Gedung Bertingkat terhadap Biaya dan Waktu (Studi Kasus Gedung Operasi RSUD Kota Langsa) Arisna Fauzia; Firdasari Firdasari
Jurnal Serambi Engineering Vol 7, No 2 (2022): April 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i2.4100

Abstract

Increasing the use of space in the multi-storey buildings is self-requirement for the owner in making the most of function of the building. The Langsa City Hospital Operating Building with structural height of +10 meters and has two floors, with the existing part of the 2nd floor not fully designed a closed room. Currently, according to the owner's request, the function of this building is being utilized to be used as a first-floor room as an operating room, while the second floor is intended as a storage room and hall. Based on that, it is necessary to estimate against the appropriate and efficient method of slab work so that to be sure the project objectives are achieved. This paper aims to analyze the comparison between the use of steel deck and conventional deck to the study sites based on cost and time. The research method used begins with collecting field data, calculating the budget plan referring to the Work Unit Price Analysis (AHSP) contained in the contract document, then estimating the implementation time using the labor coefficient according to the 2016 AHSP. The results showed that there was a difference in the budget for the two deck slabs of Rp. 28,616,000. In addition, in terms of the duration of the completion of the work, the difference between the calculation of the estimated implementation of the conventional deck work and the realization of the implementation of the steel deck is 39 working days. Based on the results obtained, the use of steel deck is cheaper and more time efficient than the use of conventional deck. So that the selection of the use of steel deck at the study site is appropriate because it can save costs and time.
The Study of Using Recycled Chemical Floc for Reducing Chemical Doses in Water Treatment Process (Case Study: Ciliwung Water River at Bojong Gede Sub-District) Aura Ryumandhina Aninditya; Temmy Wikaningrum
Jurnal Serambi Engineering Vol 7, No 2 (2022): April 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i2.3872

Abstract

Good water quality following to the criteria for clean water, a series of treatments is needed. One of the processes that aim to reduce turbidity value is coagulation-flocculation. To achieve the maximum result, optimum doses of coagulant are needed. This study aimed to explore the potential for the reuse of chemical flocs to reduce the optimum dose and effect on pH and water turbidity values. The method used is laboratory experiment using a jar test with rapid and slow stirring of 180 rpm for 90 seconds and 40 rpm for 10 minutes, respectively with 30 minutes of sedimentation. The characteristics of the flocs used are 76% from PAC with variants volume from 0.5 ml to 3 ml, which impact decreasing the optimum dose by 50% with achievement of turbidity value 0.16 NTU or equivalent to 99.65% reduction efficiency. Using the T-Test Two-Sample Equal Variances between the optimum dose turbidity value and decreasing the dose combined with the recycled floc, the p-value less than 0.05, means that chemically recycled has a significant different on the turbidity value. Meanwhile, the p-value obtained between the pH value before and after the addition of recycled flocs is less than 0.05, hence the water after treatment has less acidic than the conventional method. Water pH is significant different showed as less reduction of pH by having recycled PAC flocs.
Penerapan Metode Peramalan Permintaan pada Produk Piece Pivot di PT. Trijaya Teknik Karawang Nurzakiah Darozat; Wahyudin Wahyudin; Hamdani Hamdani
Jurnal Serambi Engineering Vol 7, No 2 (2022): April 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i2.4018

Abstract

Fluctuations in consumer demand cause companies to experience difficulties in production planning. PT. Trijaya Teknik Karawang is a manufacturing company engaged in fabrication, machining, and stamping parts. The production process is based on job orders. Piece Pivot is one of the parts with the highest number of requests and often fluctuates. Therefore, a strategy is needed, one of which is forecasting. This study aims to compare the four forecasting methods in order to determine the right method to be applied at PT. Trijaya Teknik Karawang. The comparison is done by using the 3-month moving average method, exponential smoothing α = 0.5 and α = 0.9, linear regression and naive method. Comparisons were made using the Mean Absolute Deviation (MAD) error accuracy, Mean Square Error (MSE), Root Mean Square Error (RMSE), and Absolute Percentage Error (MAPE). Based on data processing, the linear regression method produces the lowest error accuracy, namely MAD 2126,573, MSE 6091686.092, RMSE 2468.134 and MAPE 0.264. In tracking signal test, the movement of products meets the requirements, which are between -4 and 4. Then the Linear Regression method that can be applied to PT. Trijaya Teknik Karawang.
Simulasi Konsumsi Energi Bangunan Berbentuk Dome Sebagai Upaya Optimalisasi Desain Nova Purnama Lisa; Syafiqah Qamar
Jurnal Serambi Engineering Vol 7, No 2 (2022): April 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i2.4099

Abstract

The shape of the building, if projected against the sun's orientation, can provide shading and response to solar radiation because the shape of building and layout of the building provides a warming and cooling impact. The design of the shape of the building at the resort also pays attention to the orientation and functioning of the building related to its effect on the energy consumption produced. In the design process, many energy costs are found to be very expensive, therefore it takes efforts to control and save energy in buildings from the design stage of shape and pattern of space. The need for building energy is mostly used for air conditioning and lighting, both of which are filled by light and the orientation of the sun that enters the building both through the building sheath. So the shape and position of the building sheath are very dependent on the basic shape and orientation of the building. The problem in this study, the basic shape design of dome-shaped resort buildings responds to the increase and decrease in energy use in the resulting buildings per year. The study aims to find out how much energy efficiency a dome-shaped building produces if it is built and declared viable or not for residence by the user. The variable used is Annual Energy CO2, Annual Energy Cost, and Annual Energy Use. This study uses experimental methods of modeling simulation through software plug-in Sefaira. The result of the Sefaira simulation shows that to get value. KWH/year as much as 71 kWh/m2/yr, by the target ASHRAE 90.1-2019. The results showed that the dome-shaped resort building belongs to the category of not low energy against the challenge UIE 2030 38 kWh/m2/yr, based on the amount of energy consumption produced.
The Study of Improving Acid Mine Water Quality by Manganese Greensand and Activated Carbon Filtration Mayabella Puspita Nugraha; Temmy Wikaningrum
Jurnal Serambi Engineering Vol 7, No 2 (2022): April 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i2.3850

Abstract

Bangka Belitung is one of the provinces in Indonesia known as a tin-producing area. Illegal tin mining results in excavated holes. The characteristics of the water in the ex-mining pits are acidic and contain heavy metals such as iron. This journal aims to determine the effect of filtration in improving the quality of water samples and to determine the best doses of Na2CO3 and KMnO4 as pre-treatment. Also to find out which experiment resulted in higher Fe removal efficiency and whether the quality of the treated water complies with the Regulation of the Minister of Health Number 492 of 2010. This study used primary data of pH and iron content as dependent variables. The population of this research is Alang Lake water that taken by random sampling method. The experiment was carried out on a lab-scale with two independent variables which were sampled with replicates every 30 minutes. In this experiment, the optimum doses of Na2CO3 and KMnO4 were 300 mg/L and 0.75 mg/L, respectively. The treated water has a pH value of 7.4-8.1, iron concentration 0.25 mg/L with removal efficiency is 93.56%, and turbidity 0.05-0.75 NTU. Thus, it can be said the dependent variables are in accordance with the relevant regulations.Keywords: Activated Carbon, Fe, Filtration, Manganese Greensand, Water Quality 
Analisis Kelayakan Investasi Pengembangan Perumahan Subsidi di Kabupaten Aceh Tamiang Firdasari Firdasari; Meilandy Purwandito; Syahfitriani Syahfitriani
Jurnal Serambi Engineering Vol 7, No 2 (2022): April 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i2.4094

Abstract

The construction of subsidized housing projects continues to increase every year. This development must be in line with the benefits received by developers of subsidized housing, especially regarding investment costs, which need to be analyzed for suitability based on the benefits obtained. The developers need to make a decision in allocating the amount of funds they currently have, with the aim of gaining profits and increasing that value in the future. The technical aspect determines that the developers have carried out development in accordance with the standards set by the government. Analysis of housing investment needs to be carried out, including from the technical and financial aspects, to find out how much benefit has been obtained from the housing business that has been going on so far. The review of the technical aspects includes the height of the subsidized house building, the Basic Building Coefficient (BBC), the Building Floor Coefficient (BFC) and the accessibility of the location. Furthermore, the analysis of financial aspects using the Net Present Value (NPV) and Benefit Cost of Ratio (BCR) methods. From the results obtained, the construction of Mutiara Residence II Housing in Aceh Tamiang Regency has met the requirements from the technical aspect with a building height of 15 m, BBC and BFC 30% as well as accessibility close to the city center, offices, houses of worship and health centers, with mileage less than 10 minutes. The feasibility of the financial aspect is calculated using the NPV and BCR methods with NPV 0 and BCR 1, so the cash flow for proper investment and meets to be implemented for the development of subsidized housing development. The return on investment obtained ranges from 8% to 10%. From the results of the projection for the development of subsidized housing development using sensitivity analysis, an addition of 20% was carried out on certain elements, it was found that from a financial aspect it was still adequate and feasible to add 20% with the selling price in accordance with government regulations which increased every year.
Analisis Beban Kerja Mental Manajemen Divisi Engineering Menggunakan National Aeronautical and Space Administration (NASA)-TLX Mohammad Rifany Asyidikiah; Dene Herwanto
Jurnal Serambi Engineering Vol 7, No 2 (2022): April 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i2.3937

Abstract

Perkembangan industri 4.0 yang semakin pesat tentu membuat persaingan semakin ketat, oleh karena itu para karyawan harus lebih giat dalam bekerja. Karyawan merupakan entitas paling penting pada suatu perusahaan, perusahaan harus meninjau pekerja agar produktivitas berjalan baik dengan memperhatikan beban kerja yang dirasakan terutama pada beban kerja mental. PT Ciptaunggul Karya Abadi memiliki konsep yang bergerak di bidang pabrikan metal stamping parts, tools, dan dies. Pengerjaan barang tersebut menerapkan konsep yaitu suatu produksi akan berjalan apabila terdapat pesanan untuk jumlah dan waktu tertentu. Maka dari itu, pekerja harus meningkatkan ketelitian serta ketangkasan dalam bekerja, sehingga menyebabkan beban kerja mental menjadi tinggi. Tujuan dari penelitian ini yaitu melakukan analisis beban kerja mental beserta usulan perbaikan kerja pada karyawan bagian manajemen divisi engineering dengan menggunakan metode NASA-TLX dalam penentuan nilai skor weight workload (WWL). Hasil perhitungan menunjukkan bahwa rata-rata nilai WWL sebesar 63,70 dan nilai skor tertinggi sebesar 68,67 sehingga beban kerja mental termasuk dalam kategori tinggi. Usulan yang dapat diberikan yaitu menambah waktu istirahat, melakukan olahraga rutin, dan memberikan fasilitas yang nyaman sehingga operator tidak terbebani dalam mentalnya.
Penerapan Konsep Rainwater Harvesting di Kampus X Bandung Eka Wardhani; Aldi Prasetya Triatmaja
Jurnal Serambi Engineering Vol 7, No 2 (2022): April 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i2.4017

Abstract

Over time, Campus X experienced rapid growth and needed additional space for the teaching and learning process. Space development will have an impact on increasing water demand. Campus X is located in the red zone of groundwater so it cannot increase the discharge of groundwater extraction. soil. This study aims to calculate the need for clean water in Campus X in 2030 as well as to calculate the potential for harvesting rainwater as an alternative source of clean water. The research method refers to the Regulation of the Minister of Public Works No. 11 of 2014 concerning the management of rainwater on buildings and their plots. Based on the results of the study, the population on Campus X in 2030 was 7,608 people with a water requirement of 368.38 m3 /day. There is an increase in the need for clean water by 38.62 m 3 /day compared to 2021. The application of rainwater harvesting with catcment area m2 is 14,036 and rainfall intensity of 165.47 mm/hour rainwater discharge of 52,704 m3/rainy day. Improving the quality of rainwater can be done by simple water treatment using an active sand filter unit.

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