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All Journal TEKNIK JURNAL KARYA TEKNIK SIPIL Jurnal Perkotaan WIDYAKALA JOURNAL Jurnal Proyek Teknik Sipil Jurnal Pengabdian Dharma Laksana Jurnal Muara Sains, Teknologi, Kedokteran dan Ilmu Kesehatan Indonesian Journal of Construction Engineering and Sustainable Development Safari : Jurnal Pengabdian Masyarakat Indonesia SOROT: Jurnal Pengabdian Kepada Masyarakat

Rizka Arbaningrum

Universitas Pembangunan Jaya

Author-ID : 518054

Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Environmental Science Languange, Linguistic, Communication & Media Mechanical Engineering Public Health Other

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Pemodelan Pola Operasi Sistem Pompa Pada Desain Polder Guna Mitigasi Banjir Dan Rob Di Wilayah Semarang Timur Arbaningrum, Rizka
TEKNIK Vol 39, No. 2 (2018): Desember 2018
Publisher : Diponegoro University

Floods and robs that often occur in the East Semarang region result in economic, social and environmental losses. In order to improve this condition, permanent handling is needed, namely by making a polder system consisting of sea dikes, retention ponds and pump houses. The purpose of this study was to analyze the modeling of the operational pattern of the pump system in the polder design. The stages of modeling the operational pattern of the pumping system starts from the calculation of flood discharge, modeling of retention ponds, and pumps using HEC-HMS 4.0 software. The next step is analyzing the operational pattern of the pump system. From the results of the study obtained a plan in 25 annual flood discharge for retention ponds is 138 mÂ³ / s. The design of the retention pond is 210 hectares with a depth of 3.7 m. The pump capacity required is 15 mÂ³ / s with a pump composition with a capacity of 2.5 mÂ³ / s and 5 mÂ³ / s, each of 2 units. The pump modeling analysis uses a pump with a capacity of 2.5 mÂ³ / s of 2 units and 5 mÂ³ / s of 6 units. From the results of the analysis show that the operational pattern uses an elevation-discharge function, where the function forms the operational pattern of each pump which will operate based on the water level evaluation criteria for each pump. With these operational patterns, it will reduce operational and maintenance costs

Pemanfaatan Lubang Resapan Biopori Sebagai Alih Fungsi Lahan Dan Upaya Mitigasi Banjir Marelianda Al Dianty; Rizka Arbaningrum; Shafira Khalisa
Jurnal Pengabdian Dharma Laksana Vol 4, No 2 (2022): JPDL (Jurnal Pengabdian Dharma Laksana)
Publisher : LPPM Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/j.pdl.v4i2.18235

Isi Banjir merupakan fenomena alam yang akan selalu berulang terjadi. Kombinasi penggunaan LRB dan analisa hidologi di jelaskan di penelitian ini dengan mengambil contoh Perumahan di Kawasan Tangerang Selatan yang mengalami perkembangan pesat. Urbanisasi menyebabkan luas lahan hijau yang ada sebagai daerah resapan air dan pemukiman tidak seimbang. Menjadikan penyebab utama terjadinya banjir. Dari hasil pengolahan data curah hujan, dapat di analisis intensitas curah hujan dengan menggunakan pendekatan diagram hyetograph. Debit banjir rencana yang didapat dengan memodelkan dengan program bantuan, yaitu SWMM 5.0 untuk periode 100 tahun, sehingga didapat debit banjir rencana sebesar 0.98 m³/detik. Dari hasil penelitian, diperoleh jumlah LRB yang dapat diterapkan adalah 750 buah pada tepi jalan dengan bentang 750 meter di dekat saluran primer dan jarak antar lubang resapan biopori sepanjang 1 meter. Debit yang dapat diserap oleh lubang resapan biopori sebesar 0.328125 m³/detik. Besar pemanfaatan lubang resapan biopori (LRB) dalam mereduksi beban drainase di Perumahan tersebut sebesar 33.48%. Penggunaan lubang resapan biopori (LRB) merupakan sistem yang efektif yang bisa di lakukan masing masing di rumah saja dalam rangka menangani permasalahan banjir. LRB juga dapat dilakukan di rumah saja pada saat pandemic sebagai upaya pemulihan sosial dan ekonomi masyarakan di bidang penanggulangan banjir.

PERENCANAAN TANGGUL BANJIR SUNGAI LUSI HILIR Rizka Arbaningrum; Jennifer Gerina Putri; Pranoto Sapto Atmojo; Dwi Kurniani
Jurnal Karya Teknik Sipil Volume 4, Nomor 1, Tahun 2015
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (697.543 KB)

Flooding is one of the natural disasters that have a major impact on human survival. Flooding problems that occur in Grobogan partly due to the overflow of the river is one of the Lusi River. Lusi River has a length of 161,13 km flowing from Bulu Rembang to meet with Serang River in Penawangan Grobogan. Flood discharge plan used in analyzing cross-section using a return period of 25 years Q25 = 900 m3/sec. A cross-sectional analysis of existing and planned performed using HEC-RAS software. The output of the HEC-RAS** software indicate whether or not fulfilled at the cross-river flood discharge. Lusi River flooding problems addressed in various ways, namely the improvement of cross-section, planning dikes, raising the existing levees, concrete parapet planning and strengthening slopes or cliffs are prone to landslides. Overall technical planning with an estimated value of construction costs Rp. 82,995,060,000.00. (eighty-two billion nine hundred and ninety-five million six hundred thousand dollars) with the duration of work for 25 weeks.

Analisis Debit Maksimum Pada Long Storage Sungai Serua Di Lingkungan Universitas Pembangunan Jaya Jesika Ignes; Rizka Arbaningrum
Jurnal Proyek Teknik Sipil Vol 4, No 2 (2021): September
Publisher : Civil Infrastructure Engineering and Architectural Design

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/potensi.2021.11540

Flood disasters are not entirely caused by natural factors but can also be caused by human behavior. So an effort is needed for flood control, one of which is by making a storage pool or by another name is long storage. The storage pool is expected to accommodate runoff discharge and reduce flooding. This flood control effort is also applied to the Serua River in the Development Pembangunan Jaya University. So with the long storage design that stretches across the Serua River, it is hoped that it can temporarily accommodate the flow of flowing water. This study aims to analyze the maximum discharge that occurs in the long storage of the Serua River, especially in the Development Pembangunan Jaya University on the 20 years, 50 years, and 100 years return period by modeling using the HEC-RAS application. The output of the HEC-RAS application shows that the Serua River cross section at the 20-year return period is able to accommodate the planned flood discharge, but at the 50-year and 100-year return periods there is a cross-section that is unable to accommodate the planned flood discharge because the flood elevation is above the embankment elevation, so it can cause flooding.

Optimasi Site Layout Batching Plant (Studi Kasus Batching Plant PT. Adhimix Precast Daerah Serpong) Rifky Ghifary; Galih Wulandari Subagyo; Rizka Arbaningrum
Jurnal Proyek Teknik Sipil Vol 4, No 2 (2021): September
Publisher : Civil Infrastructure Engineering and Architectural Design

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/potensi.2021.11851

Site layout optimization aims to get the most optimal form of site layout. In this study, the site layout will be optimized using the multi objective function method by minimizing the Traveling Distance (TD) and Safety Index (SI) values. The calculation of the optimum site layout is done by making several alternative transfers of facilities. Based on the calculation results, the minimum TD result is alternative 0 of 4014,261 meters, and the minimum SI result is alternative 4 of 287,034. Alternative 0 cannot be compared because alternative 0 is the basic layout. Then in Alternative 4, there is an increase in TD of 80.98% and a decrease in SI of 12.66% from alternative 0. Therefore, to determine the most optimal site layout, the method is to use the calculation of the percentage value of traveling distance and safety index. Based on the results of interviews with PT. Adhimix Precast Indonesia Serpong area, the percentage rate given for traveling distance is 40% and the safety index is 60%. Based on the calculation of the percentage of TD and SI from all alternative layouts, it was found that the basic layout is the most optimal layout with the minimum value of 1802,897.

Analisis Desain Hidrolik IPAL Sistem Biocord dalam Mengatasi Pencemaran Air Pada Danau Duta Harapan Maruli Nathaniel; Rizka Arbaningrum
Jurnal Proyek Teknik Sipil Vol 4, No 2 (2021): September
Publisher : Civil Infrastructure Engineering and Architectural Design

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/potensi.2021.11703

Abstract: The Wastewater Treatment Plants (WTP) is an engineering structure and equipment and equipment specifically designed to process or treat process residual fluids so that the remainder of the process becomes feasible to be disposed of into the environment. Most of the WTP are permanently installed, usually, the wastewater first flows through the biological treatment stage and then ends in the retreatment stage. Duta Harapan Lake is one of the lakes in the Bekasi area, West Java. Currently, Danau Duta Harapan WTP is still redesigning it so that it is not operating optimally. This research serves to design the WTP located at Duta Harapan Lake to meet the requirements of the minister of environment regulation no. 68 of 2016, concerning the quality standards of domestic wastewater. Domestic wastewater generated by Duta Harapan housing which is assumed to contain 500 households dispose of wastewater through housing drainage to be filtered by WTP for 400 m3 / day. To manage the waste, an anaerobic-aerobic WTP is planned which consists of an initial settling basin zone, anaerobic zone, an aerobic zone, and a final settling zone or a polishing zone equipped with biocord filter media. From the WTP processing, it is estimated that the quality of domestic wastewater will be BOD: 2 mg / l, COD: 5 mg / l, and TSS: 2 mg / l.

ANALISIS SURVEY TINGKAT KEPUASAN WARGA PUCUNG 1 TERHADAP PEMBUATAN TAMPULAMBOT galih wulandari subagyo; Rizka Arbaningrum; Resdiansyah Resdiansyah
INDONESIAN JOURNAL OF CONSTRUCTION ENGINEERING AND SUSTAINABLE DEVELOPMENT (CESD) Vol. 4 No. 2 (2021): INDONESIAN JOURNAL OF CONSTRUCTION ENGINEERING AND SUSTAINABLE DEVELOPMENT (CES
Publisher : Universitas Trisakti

This study aims to measure the level of satisfaction of the residents of Pondok Pucung 1 towards community service activities making tabulampot. Data was obtained by distributing questionnaires to 15 respondents who were measured using a Likert scale. The results showed that from nine aspects, namely the delivery of goals and objectives of community service by the implementers of the activity time for village officials, 0.917 were strongly agreed. In delivering the goals and objectives, it is equipped with materials such as power points, etc., from 0.9, which is strongly agree. The suitability between the delivery of goals and objectives with the implementation in the field is 0.967, which is strongly agree. There is a difference between before the community service activities were carried out and before the activities were 0.983, which is strongly agree. The community around the community service location helps for plant care 0.967, which is very agreeable. In general, citizens' satisfaction with the existence of community service activities 1, which is strongly agree. Tabulampot gardens make the environment beautiful 1, which is very agreeable. Tabulampot gardens make local residents more comfortable 0.983, which is very much agree. Tabulampot gardens make local residents more peaceful 0.983, which is very agreeable. Overall, the residents of Pondok Pucung 1 are very satisfied with the community service in making tabulampot.

Alat Pengolahan Air Baku Sederhana Dengan Sistem Filtrasi Ajeng Ari Nainggolan; Rizka Arbaningrum; Aulia Nadesya; Dara Janti Harliyanti; Mohammad Ammar Syaddad
WIDYAKALA: JOURNAL OF PEMBANGUNAN JAYA UNIVERSITY Vol 6 (2019): Special Issue : Green Building
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat UPJ

Abstrak : Air bersih merupakan salah satu kebutuhan pokok bagi kehidupan manusia. Sejak tahun 2004, Indonesia telah memiliki undang-undang yang mengatur tentang Sumber Daya Air, yaitu Undang-undang Nomor 7 Tahun 2004. Tetapi di berbagai wilayah di Indonesia masih ditemukan daerah yang mengalami kekurangan persediaan air bersih. Pembuatan alat pengolahan air baku sederhana menggunakan sistem filtrasi diharapkan dapat membantu masyarakat untuk mengolah air kotor menjadi air baku dalam skala kebutuhan rumah tangga. Alat tersebut mudah dioperasikan, dengan bahan yang murah dan mudah didapatkan, serta dapat dipindahkan karena memiliki dimensi yang tidak terlalu besar.Kata Kunci : Sistem Filtrasi, Air Baku, Alat Pengolahan Air

Analisis Ekonomi Teknik Desain Polder di Wilayah Semarang Timur Rizka Arbaningrum
WIDYAKALA: JOURNAL OF PEMBANGUNAN JAYA UNIVERSITY Vol 6, No 1 (2019): Urban Development & Urban Lifestyle
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat UPJ

Permasalahan banjir dan rob sering terjadi di wilayah Semarang Timur, hal ini mengakibatkan kerugian ekonomi, sosial dan lingkungan. Guna memperbaiki kondisi tersebut maka diperlukan penanganan secara permanen yaitu dengan pembuatan sistem polder untuk Wilayah Semarang Timur. Sistem polder terdiri dari tanggul laut, kolam retensi dan rumah pompa. Kombinasi antara besaran luas kolam retensi dan kapasitas pompa sangat dibutuhkan untuk menghasilkan desain dengan biaya total ekonomis. Tahapan awal di mulai dari perhitungan debit banjir, pemodelan kolam retensi dan pompa menggunakan software HEC-HMS 4.0. Tahap selanjutnya menghitung estimasi biaya konstruksi, pengadaan pompa, pembebasan lahan serta biaya operasional dan pemeliharaan pompa. Tahapan akhir yaitu melakukan simulasi pembiayan setiap desain yang telah di modelkan dan memperhitungakan beberapa parameter ekonomi. Dari hasil penelitian di dapat debit banjir rencana 25 tahunan untuk kolam retensi adalah 138 m³/s. Desain kolam retensi terpilih yaitu seluas 210 hektar dengan kapasitas pompa sebesar 15 m³/s. Jumlah pompa terdiri dari 2 buah kapasitas 2,5 m³/s dan 2 buah kapasitas 5 m³/s. Kedalaman kolam retensi sebesar 3,7 m. Estimasi biaya operasional dan pemeliharaan pompa dalam setahun yaitu Rp 8.012.756.880,00. Estimasi biaya pembebasan lahan yaitu Rp 750.000.000,00/hektar. Estimasi biaya konstruksi Rp 574.168.000.000,00. Estimasi biaya pengadaan pompa Rp 18.000.000.000,00. Didapat parameter ekonomi NPV sebesar Rp 327.660.000.000,00 dan NBC sebsar 1,39. Sehingga dapat disimpulakn bahwa desain terpilih merupakan desain dengan biaya yang ekonomis serta pembangunan sistem polder Wilayah Semarang Timur layak secara ekonomi.

Kajian Bangunan Penangkap Kabut dan Penampung Air Hujan untuk Daerah Sentul sebagai Ganti Air Bersih Rizka Arbaningrum
WIDYAKALA: JOURNAL OF PEMBANGUNAN JAYA UNIVERSITY Vol 6 (2019): Special Issue : Green Building
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat UPJ

Kekeringan merugikan petani karena mempengaruhi hasil panen. Terdapat dua cara untuk mengatasi masalah kekeringan yaitu dengan cara membuat bangunan penangkap kabut atau juga bisa dengan membuat bangunan penampung air hujan. Namun, dari kedua bangunan itu manakah yang lebih unggul untuk digunakan dilihat dari faktor ekonomi dan durabilitas. Ditinjau dari harga, penangkap kabut tidak membutuhkan biaya yang tinggi bila dibandingkan dengan penampung air hujan. Pembuatan penangkap kabut membutuhkan biaya Rp 685,000, sedangkan penampung air hujan membutuhkan biaya Rp 1,431,466. Apabila dibandingkan dengan bangunan penangkap kabut, penampung air hujan membutuhkan biaya yang lebih tinggi. Untuk durabilitas bangunan, penangkap kabut cenderung lebih perlu perawatan khusus dikarenakan bahan dan alat yang digunakan sangat sederhana. Sedangkan, bangunan penampung air hujan, durabilitas cenderung bertahan lama meskipun tetap membutuhkan perawatan untuk bak penampung dan pompa air.Kata Kunci : Kekeringan, penampung air hujan, penangkap kabut, biaya

Co-Authors Agustinus Agus Setiawan Ajeng Ari Nainggolan Al Amin, Muhammad Pangeran Apriyanti, Okta Aulia Nadesya Dara Janti Harliyanti Doa, Theresia Woi Dwi Kurniani Esmeralda Marisa Osang Fredy Jhon Philip Sitorus Fredy Jhon Philip Sitorus Galih Wulandari Subagyo Ghiffari Mahardiansyah Jennifer Gerina Putri Jesika Ignes Luthfi, Muhammad Rifaldi Marelianda Al Dianty Maruli Nathaniel Mohammad Ammar Syaddad Ningsih, Sri Aliane Rahayu Pranoto Sapto Atmojo Putri, Maulidia Salsabila Putuhena, Frederik Josep Resdiansyah . Resdiansyah Resdiansyah Rifky Ghifary Shafira Khalisa Subagyo, Galih Wulandari Subagyo Vallentina, Lutfia Wulandari Subagyo, Galih

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