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Faktor-faktor yang Mempengaruhi Waktu Siklus Bongkar Batu Bara di Pelabuhan Karya Citra Nusantara Marunda Septianingrum, Lesti; Pakpahan, Hartati M; Nariendra, Pradhana W
Warta Penelitian Perhubungan Vol. 35 No. 2 (2023): Warta Penelitian Perhubungan
Publisher : Sekretariat Badan Penelitian dan Pengembangan Perhubungan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25104/warlit.v35i2.2232

Abstract

Marunda merupakan wilayah di Jakarta Utara yang mempunyai pelabuhan curah kering di Indonesia. Salah satu pelabuhan curah kering di Marunda yaitu Pelabuhan Karya Citra Nusantara. Dalam kegiatan bongkar terdapat kendala pada kecepatan waktu sehingga akan berdampak pada lama waktu kapal sandar dan kecepatan pengiriman barang. Dengan adanya Pelabuhan KCN diharapkan dapat membantu menurunkan dwelling time yang ada di Pelabuhan Tanjung Priok. Pelabuhan KCN dapat membongkar batu bara selama 2 hingga 3 hari, kecepatan bongkar ini diharapkan lebih cepat sehingga dapat menurunkan biaya bongkar. Penelitian ini akan meneliti beberapa tongkang dengan beberapa faktor yang diduga menjadi faktor-faktor yang mempengaruhi waktu bongkar batu bara  menggunakan metode regresi linear berganda stepwise, yang mana akan diuji juga berupa uji normalitas, homoskedastisitas, non multikolinearitas, uji kebaikan model, uji T, dan uji F variabel dependen yang digunakan yaitu cycle time (CA), dan variabel independen idle time (IT) , jumlah muatan (JM), tahun produksi excavator (TPE), dan cuaca (CA). Hasil penelitian menunjukan bahwa model regresi linear pada keseluruhan tongkang yaitu Y = -24.856 + 1.076 JM – 0.630 TPE – 0.437 CA. 
Analisis Fase Dan Waktu Siklus Simpang Apill Dalam Upaya Peningkatan Keselamatan Lalu Lintas Menggunakan Simulasi PTV Vissim dan Software Surrogate Safety Assessment Model Arfian, Syarillah Ashar; Tuhu Prasetyo, Teguh; Wahyu Nariendra, Pradhana
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 11 No. 2 (2024): JURNAL KESELAMATAN TRANSPORTASI JALAN (INDONESIAN JOURNAL OF ROAD SAFETY)
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46447/ktj.v11i2.628

Abstract

The Singkil Adiwerna intersection in Tegal Regency with a 2-phase arrangement has the potential to cause accident risks due to traffic conflicts. For this reason, it is necessary to make efforts to arrange phases to reduce traffic conflicts aimed at improving traffic safety by considering intersection performance. The analysis method uses PKJI (2023) method for intersection performance, PTV VISSIM for simulation modeling, and Surrogate Safety Assement Model Software for the number of conflicts. The results of the analysis of 2-phase conditions with a cycle time of 86 seconds have a degree of saturation of 0.60, a queue of 7.09 meters, a delay of 16.72 seconds, an intersection level of service B and a safety level with a conflict value of 452. The application of 3 phases with a cycle time of 100 seconds has a degree of saturation of 1.01, a queue of 14.02 meters, a delay of 32.74 seconds, an intersection level of service C, and a conflict value of 243 with a 46% decrease in conflict value from 2-phase conditions. If the application of 4 phases with a cycle time of 130 seconds has a degree of saturation of 1.27, a queue of 20 meters, a delay of 47.73 seconds, an intersection level of service D, and a conflict value of 104 with a 77% decrease in conflict value from the 2-phase condition. Based on PM 96 of the Ministry of Transportation, judging from the function of the road, namely a secondary collector road with a level of service of at least C, the selection of phase settings and cycle time of the APILL intersection recommends 3 phases with a cycle time of 100 seconds.