SPECTA Journal of Technology

Analisis Preferensi dan Partisipasi Civitas Akademik Institut Teknologi Kalimantan Dalam Pemilahan Sampah

Chandra Suryani Rahendaputri — 2024-09-30

Solid waste management problems have become a common problem in Indonesia. Based on data from the Central Bureau of Statistics' Environmental Care Behavior Indicator in 2017, it shows that 58.32% of Indonesians do not sort their waste. Kalimantan Institute of Technology (ITK) is a campus that carries the concept of eco-campus. Waste segregation has been programmed, but in reality in the field, waste segregation is not running. Therefore, this study was conducted with the aim of knowing the preferences and participation of ITK academic community in waste segregation at ITK. The survey results showed that out of 380 respondents, although 90% had seen posters about waste segregation at ITK, only 57.6% stated that they had done waste segregation at ITK, which was mostly based on the factor of facilitating management both by ITK and at the landfill. For the other 44.2% of respondents who do not or only sometimes do waste segregation, it was found that the biggest factor that made them do so was based on the desire to segregate at the beginning, but when opening the trash can, the waste inside was already mixed.

Identification of Radioactivity in Ambon Banana (Musa Paradisiaca) and Kepok Banana Peel (Musa Acuminata Balbisiana) for Nuclear Battery Applications

swastya rahastama — 2024-09-30

Banana peel has a high potassium content, including the presence of the radioactive element K-40. As one of the beta emitters, K-40 has the potential to be a natural radioactive material for use as a betavoltaic nuclear battery source. In this study, the levels of K-40 content and radioactivity of kepok banana peel (Musa Acuminata Balbisiana) and ambon banana peel (Musa Paradisiaca), local varieties from the Balikpapan region, will be examined. Banana peel samples are first dried to reduce the water content and then processed into dry powder by heating for 20 hours. The mass and water content before and after the drying process are tested to observe shrinkage and its effects on the level of radioactivity. XRF testing is conducted to determine the potential potassium content of each sample. Radioactivity levels are measured using a Geiger Counter survey meter with sensitivity in the energy range of 50 KeV - 1.5 MeV. From the drying results, a greater decrease in mass is observed in kepok banana peel compared to ambon banana peel, accompanied by a significant reduction in water content. XRF test results indicate that the drying temperature has an effect on the emitted X-ray intensity. The activity content in kepok banana peel samples is found to be higher than in ambon banana peel. An estimated quantity of kepok and ambon banana peels needed to achieve the required 1 mCi activity for the nuclear battery is approximately 1.1 tons and 1.3 tons, respectively.

Aplikasi Konsep Green Design Berdasarkan Kriteria Penilaian Greenship Neighborhood Versi 1.0 pada Kawasan Terbangun Perumahan Grand City Balikpapan

Tiara Rukmaya Dewi — 2024-09-30

The relocation of the Indonesian new capital city to Ibu Kota Nusantara (IKN) has had an impact on rapid urban growth and development in the buffer area of Balikpapan City. The growth referred to is increasing area development, improving infrastructure, and increasing welfare. However, on the other hand, the transfer of IKN Nusantara could further increase the impact of global warming due to the high contribution of CO₂ emissions, especially those produced by buildings. Grand City Housing was chosen as the study location based on the green concept that has been implemented, the land area, and the availability of a master plan and environmental documents. The specific aim is to convey the green concept to Grand City Housing with the Greenship Neighborhood Assessment rating tool. This research method uses quantitative descriptive, namely that the results of the assessment of the research object are evaluated in the form of scores using the Greenship Neighborhood Assessment Version 1.0 rating tool. The results obtained were based on an assessment using Greenship Neighborhood version 1.0. The overall maximum score was 124, and the Grand City Housing area received a score of 28 with a weight of 22.4%, so this residential area did not meet any ranking. The highest score obtained was in the Movement and Connectivity category, with a score of 7 out of a maximum of 26. Meanwhile, the lowest scores were Building and Energy (BAE) and Development and Innovation (IFD), with an identical score of 2 out of a maximum score of 15 for BAE and 9 for IFD. Therefore, it is necessary to create a Grand City Housing environment that is suitable to live in, comfortable, and efficient in accordance with the Greenship Neighborhood Assessment Version 1.0 rating tools in urban environments.

ANALISIS BEBAN KERJA DALAM PENENTUAN KEBUTUHAN PEKERJA YANG OPTIMAL DENGAN MENGGUNAKAN METODE FTE DAN WLA (Studi kasus: PT. Kunango Jantan)

Muhammad Nur — 2024-09-30

Human resources are part of company assets that need to be managed well because they have a big influence on company performance. Tower division PT. Kunango Jantan is a business group engaged in the manufacture and strengthening of towers. Workers in the tower division are currently not fully structured well because there are still workers who have more than one position, which makes the workload felt by workers high and can disrupt worker productivity. So research is needed to idetermine the workloadi received by each worker using the Full Time iEquivalent (FTE) and Workload Analysis (WLA) methods. In this research, using the FTE method, it was found that there wasi an imbalance in the workload of each tower division worker in the overload category. For this reason, the company makes improvements by paying more attention to the capabilities and work facilities of each worker and can add additional workers. Using the WLA method, the optimal number of workers is 28 out of the actual 13 workers in the tower division.

Analisis Pengukuran Kinerja Mesin Cetak Menggunakan Overall Equipment Effectiveness (OEE) Di CV Delimas

Budiani Fitria Endrawati — 2024-09-30

This study was conducted to assess the performance of a printing machine using Overall Equipment Effectiveness (OEE) calculations. The printing machine already meets the World Class standards with availability, performance, and quality metrics set at 85%. Achieving this standard is considered indicative of good machine performance according to these benchmarks. Recommendations for improvement include implementing machine maintenance management supported by routine maintenance by machine operators to minimize issues during production. The results from the OEE calculations show that the availability, performance, quality, and overall effectiveness of the machine have not reached or exceeded the World Class OEE standards. This has caused production delays due to the machine's low performance. The low performance is attributed to the fact that the printing machine operators at CV Delimas do not fully understand the machine's maintenance procedures. The performance metric for the printing machine at CV Delimas using OEE averages only 33%. This indicates that the machine's performance is significantly below the 95% standard.

Analisis Persepsi Pengunjung Terhadap Infrastruktur Fungsi Sosial Taman Samarendah

Nur Ayuni — 2024-09-30

The Mayor of Samarinda's Regulation Number 8 of 2018 regulates the Samarinda Smart City Masterplan, specifically within the Smart Society pillar. The work program outlined in the regulation aims to enhance environmental security and comfort, with the main goals of achieving security and public order stability and creating a conducive atmosphere. One of the key indicators of success for this program is a reduction in crime rates. One of the targets of the Samarinda City Masterplan is the enhancement of the social function of the Public Green Open Space at Taman Samarendah, with active community involvement being crucial as an instrument in the planning and development process. Therefore, this research was conducted to analyze visitors' perceptions using Importance Performance Analysis (IPA) regarding the park's social infrastructure. The study is qualitative, employing a rationalistic approach and utilizing 17 variables. The primary research method involved a survey by distributing questionnaires. The analysis found that certain facilities with high importance but low satisfaction ratings included gazebos, guard posts, toilets, swings, seesaws, slides, reading corners, and information boards. The findings of this research not only provide important input for authorities to formulate strategies for improving the quality of Public Green Open Spaces in Samarinda and emphasize the need for programs that increase public participation in managing public facilities. By involving the community actively, it is hoped that a sense of ownership and shared responsibility for public spaces will be fostered. Additionally, this research identifies unmet community needs, which can serve as a basis for developing more suitable facilities. Thus, Public Green Open Spaces can function optimally as social spaces that support community well-being, while also contributing to the overall goals of the master plan, including creating a safer and more comfortable environment for all citizens

Analysis of Behavioral Changes in Public Spaces in Balikpapan City in Realizing a Smart City

Diszha Ratmananda — 2024-09-30

The more a city develops, the higher the need for public space. Balikpapan City is the most populous city in East Kalimantan Province which requires larger public spaces than other cities. The city of Balikpapan has open public spaces and closed public spaces for interaction and activities. In the past, the people of Balikpapan city tended to visit public spaces only as a place to relax and recreate in public green open spaces. As time goes by and public space facilities develop, there are changes in people's behavior that are starting to be seen in line with the development of various activities in public spaces. This can be seen because the aim of current city development is to create various new public spaces following new developments to attract visitors to do activities in them without moving. Therefore, this research aims to determine the highest behavioral changes that occur in public spaces in Balikpapan City using qualitative methods. Data was collected using questionnaires and interviews distributed in public spaces in the city of Balikpapan and analyzed using qualitative descriptive methods to describe open and closed behavior that occurred in public spaces to compare behavior that occurred in public spaces in 2023 and several years earlier. The results of this research show the dominant behavior carried out by people in public spaces, such as gathering, taking photos, making videos, enjoying new facilities provided by public space managers, doing assignments and working. The highest behavioral changes in Balikpapan were in the Super Block and Mall Plaza Balikpapan. This research can be a reference to see the readiness of the community in facing urban development in realizing a smart city through the development of public spaces by taking into account the dominant habits and activities carried out by the community in public spaces.

Permodelan Banjir dan Strategi Mitigasi Bencana di Kelurahan Rapak Dalam

Febi Ayu Caroline Pitaloka — 2024-09-30

Flood disasters, stemming from both natural and human factors, present a significant threat to communities. Consider the case of Rapak Dalam Subdistrict in Samarinda City, where rapid development and improper land use have led to devastating flooding. The transformation of natural landscapes into residential areas, along with land excavation and mining, has disrupted the area's natural functions, resulting in increased runoff. In addition to human factors, natural elements such as rainfall and the lowland topography contribute to the frequent flooding. In 2018, a major flood forced around 10,000 people to evacuate due to prolonged rainfall, highlighting the urgent need for effective mitigation strategies. The overburdened Rapak Dalam Watershed was unable to contain the runoff, resulting in widespread devastation. Despite less intense rainfall, the frequency of flood incidents has risen, making it crucial to address these issues amidst ongoing land-use changes. To combat these challenges, hydrological modeling is essential in predicting and managing flood events caused by land-use changes. By calculating flood discharge, this approach enables the development of optimal mitigation strategies. It is imperative to take decisive action in the face of these escalating flood risks to safeguard communities and ensure sustainable development.