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Journal : Journal of Innovation and Technology

Analysis of PM2.5 Level Related to Vehicle Activities in Campus Parking Lot Panuju, Achmad Yahya Teguh; Susila, M Dyan; Wahono, Endro Prasetyo; Sulistiyanti, Sri Ratna; Ibrahim, Gusri Akhyar
Jurnal Inovasi Teknologi Vol 5 No 2 (2024): October
Publisher : Engineering Forum of Western Indonesian Government Universities Board (Forum Teknik, BKS-PTN Wilayah Barat) Indonesia

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Abstract

The number of vehicle usage, especially motorcycles, in Indonesia has significantly increased in the past 10 years, particularly among young people. This has had an impact on the declining air quality in public places, including on campus grounds. PM2.5, as one of the hazardous pollutants to health, needs to be given special attention regarding its dispersion concentration in areas heavily frequented by the public, such as parking lots on campus. This study analyzes the level of PM2.5 concentration in the campus parking lots at Universitas Lampung, with the aim of observing the pattern of PM2.5 pollution in the campus area, considering the increasing number of motorcycles entering the campus every year. The measurement of PM2.5 levels was conducted using a light scattering sensor in two parking lots with different microenvironments, and then its correlation with motorcycle activities at each location was analyzed using simple regression. Based on statistical analysis, it was found that the differences in microenvironments affect PM2.5 levels significantly. The number of motorcycle activities also has a positive correlation with the level of PM2.5, where the average PM2.5 concentration recorded has exceeded the threshold set by the government, which is 15 µg/m3 per day. However, the effect of the microenvironment in this study is stronger than the number of vehicles. Therefore, in the future, appropriate policies and strategies are needed to reduce PM2.5 concentrations in public areas, especially on campuses, to prevent the associated risks of the pollution.
Ergonomic Analysis of a Modified Dishwashing Facility in a Medium Scale Restaurant Panuju, Achmad Yahya Teguh; Kurniawan, Sandi; Hamni, Arinal
Jurnal Inovasi Teknologi Vol 6 No 02 (2025): October
Publisher : Engineering Forum of Western Indonesian Government Universities Board (Forum Teknik, BKS-PTN Wilayah Barat) Indonesia

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Abstract

Dishwashing is a crucial stage in the production process of restaurants, where ergonomic aspects for the operators play an important role in determining overall productivity. To support the performance improvement of small and medium enterprises (SMEs), this study conducted an experimental analysis to evaluate the ergonomic level of dishwashing activities in a restaurant located in Bandar Lampung. Prior to the assessment, modifications had been made to the design of the dishwashing facility. The evaluation was carried out using the Ovako Work Posture Analysis System (OWAS), energy consumption analysis, the Nordic Body Map (NBM) questionnaire, and an investigation of the relationship between ergonomic levels and operator productivity. The results revealed that the modified design significantly improved the ergonomic quality of the facility and led to a measurable increase in operator productivity. These findings demonstrate that workplace design improvements in SMEs can effectively enhance both ergonomics and business performance.