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All Journal Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Sains dan Teknologi Nuklir Indonesia (Indonesian Journal of Nuclear Science and Technology) Forum Geografi Jurnal Teknik Sipil AdBispreneur Jurnal Purifikasi INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY
Mariana Marselina, Mariana
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THE POTENTIAL CIBERANG RIVER ANALYSIS FOR DRINKING WATER SUPPLY DEVELOPMENT OF BANTEN PROVINCE Ira Mulyawati; Indah Rachmatiah Siti Salami; Arwin Sabar; Mariana Marselina; Hernita Nasir
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 5, NUMBER 2, APRIL 2022
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1353.541 KB) | DOI: 10.25105/urbanenvirotech.v5i2.12589

Abstract

Aim: This study was aimed to analyze the potential of water sources in the Ciberang River to support drinking water supply system of Banten Province. Methodology and results: The method use to analyze the potential of Ciberang river is a hydrological statistical analysis. The results of the hydrological statistical analysis show that the water resources of the Ciberang River are not sufficient to meet domestic and industrial water needs in Banten Province. Domestic and industrial water demand in Banten Province in 2025 is estimated at 14.64 m3/s and 10.46 m3/s, respectively, while the mainstay discharge with the return period of 10 and 20 year for all durations does not meet these water needs. The mainstay discharge of the Ciberang River with a 10-year return period of 1, 2, 7, 15 and 30 day respectively was 0.08 m3/s, 0.1 m3/s, 0.19 m3/s, 0.36 m3/s, and 0.87 m3/s. The mainstays of the 20-year return period of 1,2,7,15 and 30 day respectively are 0.04 m3/s, 0.06 m3/s, 0.11 m3/s, 0.23 m3/s and 0.59 m3/s. Conclusion, significance, and impact study: Based on this, it is necessary to conserve water resources to increase the main flow of the Ciberang River. One of the strategic policies to increase the river's mainstay discharge is constructing the reservoir.
Evaluation of the Success of the Watershed Rehabilitation Project in Bombana Regency Based on Cook Method’s Runoff Coefficient Ery Nuralamsyah; Mariana Marselina
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 20, No 2 (2023): July 2023
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v20i2.305-315

Abstract

Watersheds have an important role in managing rainwater. A good watershed can provide sufficient water for the community in the dry season and does not cause flooding in the rainy season. Therefore, watershed preservation is necessary as an effort to maintain or improve its function. Rehabilitation is an effort to restore, maintain, and improve the watershed function. In this study, rehabilitation was carried out in an area of 285 ha which cuts two watersheds, Langkapa and Poleang watershed. The success of this rehabilitation can be reviewed through the runoff coefficient before and after rehabilitation. The runoff coefficient is a value that expresses the percentage of rainwater that turns into surface runoff water. That value can be an indicator of the watershed quality. The determination of the runoff coefficient in this study used the Cook Method which considers four physical parameters, land cover, slope, soil infiltration, and surface deposit/flow density. The results showed the runoff coefficient decreased after the rehabilitation from 68.54% to 65.85% which means the rehabilitation has improved the watershed quality. But those change is not significant because the rehabilitation location actually is not the priority land (critical land) that needs rehabilitation.
Management Optimization of Cipanunjang-Cileunca Reservoir in Bandung Regency Using Discrete Markov Methods Mariana Marselina; Arwin Sabar; Iin Pratama Sari
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY Volume 2, Number 1, October 2018
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v2i1.3555

Abstract

This research discusses about intake Cikalong as water resource infrastructure supplying water for PDAM Bandung City and PDAM Bandung Regency that depend on the operational of Cipanunjang Dam-Cileunca Dam, Plengan Hydropower, Lamajan Hydropower, Cikalong Hydropower and water from Cisangkuy River. Nowdays, capacity of PDAM Bandung city is 1800 L/sec and capacity of PDAM Bandung Regency is 500 L/sec. However, the amount of water that could be provided by PDAM Bandung City is 1400 L/sec while PDAM Bandung Regency is 200 L/sec. Aim: Optimization on upstream infrastructure is needed to make sure the quantity of water being supplied sufficient. Methodology and Result: There are some methods that can be used to fulfill that aim, on this research use Stochastic Markov Method. The optimization of the reservoir is achieved by the condition of the guideline track and the actual trajectory approaching 1, which means the absence of wasted water through the spillway but through the reservoir utility function for turbine demand, irrigation raw water and raw drinking water in the downstream. The comparison between trajectory and actual trajectory of Cipanunjang Reservoir is 0.861 while for optimization of Cileunca Reservoir is 0.827. Conclusion, significance and impact study: The correlation between the actual (historical) discharge and the Markov estimation discharge on the Cipanunjang-Cileunca Reservoir is closed to 1, so it can be show that the discharge estimation is conceptual because it corresponds to the actual condition (actual discharge).
ENVIRONMENTAL AND HEALTH RISK ASSESSMENT (EHRA) APPROACHES IN THE STRATEGIC ENVIRONMENTAL RISK ASSESSMENT (SEA) : A METAANALYSIS Anindrya Nastiti; Siska Widya D Kusumah; Mariana Marselina; Karina Nursyafira; Astrid Monica; Dharmawan Phan
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 4, NUMBER 1, OCTOBER 2020
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v4i1.7191

Abstract

Aim: This paper aims to understand how the concept of risk and riskgovernance can be best articulated and integrated into Indonesia’s SEA.Attention regarding health risks emerging from human interactions withthe physical environment has increased in Sustainable Development andPlanning (SDP). Methodology and Results: Strategic EnvironmentAssessment (SEA) is the current context-based methodology addressingenvironmental and health risks of development planning in manycountries. Environmental and health risk assessment (EHRA) is anintegrated part of the SEA. EHRA, as a field of science, has evolved towardsspecific needs in many sectors, e.g. dose-response, quantitative microbialrisk assessment, ecological risk assessment. The main challenge is how todetermine the suitable EHRA approaches and translate the fact-basedEHRA into risk-informed strategies in SDP. In Indonesia, the SEA is mandatory for regional planning documents. However, there is limitedguidelines and application on EHRA in SEA. Through a meta-analysis, wereviewed scholarly articles published from 2009 to 2019 available inGoogle Scholar that report the concepts and implementation of EHRA andSEA in various countries. Conclusion, significance and study impact: Thisstudy has significant implications for the understanding of risk governancein SDP.
THE POTENTIAL CIBERANG RIVER ANALYSIS FOR DRINKING WATER SUPPLY DEVELOPMENT OF BANTEN PROVINCE Ira Mulyawati; Indah Rachmatiah Siti Salami; Arwin Sabar; Mariana Marselina; Hernita Nasir
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 5, NUMBER 2, APRIL 2022
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v5i2.12589

Abstract

Aim: This study was aimed to analyze the potential of water sources in the Ciberang River to support drinking water supply system of Banten Province. Methodology and results: The method use to analyze the potential of Ciberang river is a hydrological statistical analysis. The results of the hydrological statistical analysis show that the water resources of the Ciberang River are not sufficient to meet domestic and industrial water needs in Banten Province. Domestic and industrial water demand in Banten Province in 2025 is estimated at 14.64 m3/s and 10.46 m3/s, respectively, while the mainstay discharge with the return period of 10 and 20 year for all durations does not meet these water needs. The mainstay discharge of the Ciberang River with a 10-year return period of 1, 2, 7, 15 and 30 day respectively was 0.08 m3/s, 0.1 m3/s, 0.19 m3/s, 0.36 m3/s, and 0.87 m3/s. The mainstays of the 20-year return period of 1,2,7,15 and 30 day respectively are 0.04 m3/s, 0.06 m3/s, 0.11 m3/s, 0.23 m3/s and 0.59 m3/s. Conclusion, significance, and impact study: Based on this, it is necessary to conserve water resources to increase the main flow of the Ciberang River. One of the strategic policies to increase the river's mainstay discharge is constructing the reservoir.
REINVENSI KINERJA PERUSAHAAN DAERAH AIR MINUM (PDAM) DI INDONESIA MENUJU AGENDA SUSTAINABLE DEVELOPMENT GOALS 2030 Muftiadi, Anang; Rizal, Muhamad; Marselina, Mariana
AdBispreneur : Jurnal Pemikiran dan Penelitian Administrasi Bisnis dan Kewirausahaan Vol 8, No 2 (2023): AdBispreneur : Jurnal Pemikiran dan Penelitian Administrasi Bisnis dan Kewirausa
Publisher : Departemen Ilmu Administrasi Bisnis, Fakultas Ilmu Sosial dan Ilmu Politik, UNPAD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/adbispreneur.v8i2.44848

Abstract

Achieving the target of drinking water access in SGDs 2030, Indonesia faces shortage of supply and development capacity, especially for PDAMs as service providers, so they need comprehensive strategies, considering the productivity, cost efficiency and sufficient profit level. Therefore, this study used measures the above three aspects, by using regression of 380 PDAMs data in Indonesia. Profit category consists of 1.3 percent of high profit PDAMs, 87.9 percent of profit, 9.5 percent of loss and 1.3 percent of huge loss. According to productivity, it shows that capital and number of employees has increasing return to scale. On the productivity categories, consist of 11.6 percent of high productivity,  42.65 percent of productive, 32.0 percent of less productive, and 13.8 percent of low productivity. According to the production cost category, all independent variables significantly affected the average cost. As many as 6.9 percent PDAM as high efficiency, 53.2 percent efficient, 25.4 percent less efficient, and 15.6 percent in-efficient. Then we have 32 PDAM categories of the three models with generic strategy option for individual PDAM strategies. Local governments as PDAM owners could use this model for development and performance increasement. In addition, sectoral ministries can utilize the 32 categories of PDAMs as basis for programs of facilitation, technical guidance, management and governance for achieving the SDGs 2030.Pencapaian target akses air minum pada SDGs 2030, Indonesia menghadapi keterbatasan pasokan dan kapasitas pengembangan, khususnya pada PDAM sebagai penyedia, sehingga membutuhkan strategi yang komprehensif, mempertimbangkan kategori produktivitas, efisiensi biaya hingga tingkat keuntungan yang mencukupi. Untuk itu, penelitian ini membahas ketiga aspek tersebut, menggunakan metode regresi dari data 380 PDAM di Indonesia.  Pada kategori Profit, sebanyak 1,3% tergolong profit tinggi, 87,9% memperoleh profit kecil, 9,5% rugi dan 1,3% rugi besar. Dari model produktivitas, bahwa kapital dan jumlah pegawai berpengaruh signifikan dan produksi bersifat increasing return to scale. PDAM Produktivitas tinggi sebanyak 11,6%, produktif 42,6%, kurang produktif 32,0% dan produktivitas rendah 13,8%. Dari model biaya produksi, seluruh variabel bebas signifikan mempengaruhi biaya rata-rata. PDAM efisiensi tinggi sebanyak 6,9%, efisien 53,2%, kurang efisien 25,4%, dan tidak efisien 14,6%. Dari ketiga bahasan, diperoleh 32 kategori PDAM dengan generic strategy masing-masing PDAM secara individual. Pemerintah daerah sebagai pemilik PDAM, dapat menggunakan model ini untuk arah pengembangan dan penyehatan. Selain itu kementerian teknis dapat memanfaatkan 32 kategori PDAM sebagai dasar kegiatan fasilitasi, pembinaan teknis, manajemen dan tata kelola agar dapat menjadi wahana pencapaian agenda SDGs 2030.
Co-Authors Anindrya Nastiti Arwin Sabar Arwin Sabar Arwin Sabar Arwin Sabar Arwin Sabar Arwin Sabar Astrid Monica Dharmawan Phan Diah Dwi Lestiani Dyah Marganingrum Dyah Marganingrum Dyah Marganingrum Ery Nuralamsyah Hernita Nasir Iin Pratama Sari Indah R S Salami Indah R S Salami, Indah R S Indah Rachmatiah Siti Salami Ira Mulyawati Karina Indah Choirunnisa Karina Nursyafira M. Rizal Marganingrum, Dyah Prof. Dr. Muhayatun, Santoso R. Anang Muftiadi Rita Mukhtar Sabar, Arwin Siska Widya D Kusumah Siti Ai Nurhayati