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All Journal Syntax Literate: Jurnal Ilmiah Indonesia Jurnal Teknik Sipil Macca
Saraswati , Rizki Ayu
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Humanities Civil Engineering, Building, Construction & Architecture Education Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences Other

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Optimasi Sistem Transportasi Perkotaan untuk Mereduksi Kemacetan Menggunakan Model Simulasi Lalu lintas Said, Lambang Basri; Saraswati , Rizki Ayu
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : Syntax Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36418/syntax-literate.v10i3.57899

Abstract

Traffic congestion is a significant problem that is often faced by major cities around the world, including Makassar, which not only affects travel efficiency, but also negatively impacts the environment and the quality of life of residents; This study aims to optimize the urban transportation system by developing a computer-based traffic simulation model that is able to analyze and take into account various variables that contribute to congestion, such as traffic volume, vehicle movement patterns, and road geometry, where field data shows that the traffic volume at peak hours reaches 4200 smp/hour, with 65% of vehicles consisting of cars and motorcycles, the average speed of vehicles ranges from 15-20 km/h, the waiting time increases by 3 minutes when congestion occurs, CO2 emissions increase by 5 tons/day, and the level of Urip Sumoharjo road service which results in LOS E values and travel times increase by 10 minutes due to congestion; The results of this analysis are expected to provide valuable insights into the effectiveness of various transportation system optimization scenarios, including traffic signal adjustment, traffic direction regulation, and the addition of special lanes for specific vehicles, so as to reduce congestion and improve the efficiency of the overall urban transportation system, which is ultimately expected to improve the quality of life of Makassar residents and create a better environment sustainable for future generations.
Analisis Faktor Yang Mempengaruhi Kepatuhan Pelaksana Terhadap Prosedur K3 pada Industri Konstruksi : Studi Kasus: Proyek Preservasi Jalan dan Jembatan Ruas Jalan Perintis Kota Makassar Saraswati , Rizki Ayu
Jurnal Teknik Sipil MACCA Vol. 9 No. 2 (2024): Jurnal Teknik Sipil MACCA
Publisher : Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/cmep3788

Abstract

Penelitian ini bertujuan untuk menganalisis faktor-faktor yang mempengaruhi tingkat kepatuhan pelaksana terhadap prosedur Keselamatan dan Kesehatan Kerja (K3) di industri konstruksi, khususnya pada proyek preservasi jalan dan jembatan di ruas jalan perintis Kota Makassar. Metode penelitian yang digunakan adalah survei dengan kuesioner sebagai instrumen utama pengumpulan data. Hasil analisis menunjukkan bahwa pemahaman yang lebih baik tentang definisi dan inisiasi K3 (X1), serta penerapan sistem manajemen K3 (X2), berkontribusi pada peningkatan kepatuhan pelaksana dalam menjalankan prosedur K3, dengan koefisien regresi masing-masing sebesar -1.385 dan -0.156. Selain itu, penggunaan alat pelindung diri (X3), ketersediaan sarana dan prasarana K3 (X4), serta persepsi terhadap risiko K3 (X5) juga berdampak positif terhadap kepatuhan pelaksana dalam perilaku K3, dengan koefisien regresi berturut-turut sebesar 0.764, 0.715, dan 0.265. Penelitian ini memberikan wawasan yang lebih baik tentang faktor-faktor yang mempengaruhi kepatuhan pelaksana terhadap prosedur K3 di industri konstruksi, serta implikasi praktisnya dalam meningkatkan keselamatan dan kesehatan kerja di tempat kerja konstruksi.
Co-Authors Lambang Basri Said