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All Journal Pondasi Briliant: Jurnal Riset dan Konseptual
Niam, Mohammad Faiqun
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Environmental Science Physics Social Sciences Transportation

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OPTIMALISASI PEMANFAATAN TERMINAL TIPE C DI KABUPATEN TEGAL Fatah, Muhamad Nadhorudin; Mudiyono, Rachmat; Niam, Mohammad Faiqun
Pondasi Vol 28, No 1 (2023): Juni 2023
Publisher : UNISSULA Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/pondasi.v28i1.30392

Abstract

Transportation is an important means to support the success of development and to facilitate economic activities in the community. Economic growth in Tegal Regency has resulted in increased mobility, which requires efforts to improve service quality and add effective transportation infrastructure. In order to improve transportation in Tegal Regency, the government has implemented a policy to relocate and build a representative Type C transport terminal with the aim of solving traffic problems in the Central Business District (CBD) area of Tegal Regency. Relocating the Type C transport terminal in Tegal Regency is necessary to improve the effectiveness of terminal relocation. Therefore, a study was conducted on the Optimization of Type C Terminal Relocation Utilization in Tegal Regency (Case Study: Dukuhsalam Village, Slawi District, Tegal Regency) using a quantitative descriptive research method to find out the effectiveness of terminal relocation. The analysis conducted includes technical analysis, economic analysis, traffic analysis, and environmental analysis. Based on the results of the analysis, it was concluded that terminal relocation is considered effective. The technical analysis shows that the infrastructure and facilities of the new terminal are more complete compared to the revitalization of the old terminal. Economic analysis shows that the return on investment for the new terminal can be achieved 2 years faster compared to revitalizing the old terminal. Relocating the new terminal can reduce congestion costs by IDR 1,158,096.00 per day and reduce environmental damage costs by IDR 1,414,088.93. Therefore, optimizing the Type C terminal in Tegal Regency can be achieved by relocating it to a new location.
Simulasi dan Evaluasi Limpasan Saat Debit Maksimum Kanal Banjir Timur Kota Semarang Cahyono, Prasetyo Budi; Wahyudi, Slamet Imam; Niam, Mohammad Faiqun; Prasetyo, Dani
BRILIANT: Jurnal Riset dan Konseptual Vol 7 No 2 (2022): Volume 7 Nomor 2, Mei 2022
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (439.135 KB) | DOI: 10.28926/briliant.v7i2.963

Abstract

Penelitian ini bertujuan menganalisis data hidrologi dan limpasan saat Debit Maksimum (Q50, Q100) di alur sungai, kemudian diimplementasikan pada pekerjaan normalisasi Kanal Banjir Timur Semarang. Penelitian berupa simulasi yang dievaluasi dengan pengamatan dan pencatatan besaran tingkat elevasi banjir yang terjadi pada saat debit banjir maksimum di Q50 dan Q100 terhadap tingkat limpasan air yang melewati top elevasi parapet. Metode peneltian yang dilakukan adalah studi kasus dengan analisa kuantitatif terhadap semua data yang ada mulai dari data topografi, hidrologi dan geoteknik mekanika tanah. Penelitian diawali analisa curah hujan hingga didapat debit banjir maksimum dari Polygon Theiseen Data Curah hujan 3 stasiun yang mencakup DAS Kanal Banjir Timur diarah hulu. Langkah selanjutnya dilakukan analisa cross section sungai dengan mengambil titik sample lokasi penelitian yang dimulai dari Jembatan Kartini Semarang sampai kearah muara sungai. Data pengukuran existing yang ada kemudian diinput dan diolah dengan analisa program hec-ras. Dari urutan Log Pearson Type III dan kalibrasi pendekatan data BBWS Pemali Juana diperoleh angka Debit Maksimum 418,17 m3/det, (Q50) 462,52 m3/detik, (Q100) debit andalan sebesar 0,39 m3/s.  Catchment Area = 310 km2 = 63.725,87 m3/tahun; Luas hidrolis (A) sebelum normalisasi 45m2 dan sesudah normalisasi 112m2, sehingga didapat luas penampang sungai yang lebih besar; dimana luas penampang ini berbanding lurus dengan penurunan top elevasi pada saat debit maksimum dialur sungai. Elevasi Q50 sebelum normalisasi +4,4m (melimpas) dan setelah normalisasi +3,54m. Sedang Q100 sebelum normalisasi +4,84; setelah normalisasi +3,89m sehingga bisa tertahan oleh dinding parapet di top elevasi +4,4m dan tidak terjadi limpasan.
Co-Authors Cahyono, Prasetyo Budi Dani Prasetyo Fatah, Muhamad Nadhorudin Rachmat Mudiyono, Rachmat Slamet Imam Wahyudi, Slamet Imam