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Fitria Maya Lestari
Universitas Semarang
Agriculture, Biological Sciences & Forestry Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation

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Analisis Reduksi Debit Banjir Sistem Drainase Kali Kencing Di Kabupaten Kudus Istianah Istianah; Fitria Maya Lestari; Bambang Tutuko
Jurnal Teknik Indonesia Vol 7, No 1 (2026): JTI (Jurnal Teknik Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v7i1.948

Abstract

Flooding is a common issue affecting various regions in Indonesia, particularly in densely populated urban areas. High rainfall intensity leading to river overflow, dense residential settlements, and inadequate drainage systems and environmental conditions are key factors contributing to flood disasters. This study aims to analyze the drainage capacity of the Kali Kencing channel, evaluate the existing drainage system, and assess the potential flood reduction through the implementation of a polder system within the Kali Kencing drainage network. A qualitative research method is applied, incorporating hydrological and hydraulic analyses, which are further simulated to model the relationship between retention pond storage and optimal pump capacity. The analysis reveals that the current drainage capacity of Kali Kencing is insufficient to convey the existing discharge, resulting in runoff that affects residential areas and agricultural fields. The existing system only includes a small long-storage facility and lacks adequate pumping capacity. Therefore, a retention pond covering 4.5 hectares is proposed to temporarily store excess water during elevated water levels in the Wulan River. Simulation results indicate that the retention pond can reduce peak flood discharge from 65.10 m³/s to 36.00 m³/s, achieving a 55% reduction. Additionally, the installation of two flood pumps with a capacity of 5 m³/s each, along with one pump of 1 m³/s for low-flow operation, is recommended to enhance system performance.
DISTRIBUSI SEDIMEN PADA WADUK JATIBARANG, KOTA SEMARANG Fitria Maya Lestari; Ratih Pujiastuti; Risdiana Cholifatul Afifah
Jurnal Teknik Indonesia Vol 5, No 2 (2024): JTI (Jurnal Teknik Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v5i2.662

Abstract

The main issue in the operation of reservoirs is sedimentation. This can lead to silting and affect the reservoir's storage capacity. The distribution of sediments needs to be understood in order to gain an overview of their spread, so that measures can be taken to address sediment-related issues in the Jatibarang Reservoir. The analysis was conducted using sediment data from previous studies, which reported a total sediment volume of 6.64 million m³ over a period of 50 years. Based on topographic data, it was found that the Jatibarang Reservoir is classified as Type III, with a "hill" classification. The analysis results showed that the dimensionless factor F is 0.22, with a relative depth p of 0.53. Based on the sediment distribution analysis of the Jatibarang Reservoir with Empirical Area Reduction Method, it was found that after 50 years of operation, the new zero elevation of the reservoir would be at an elevation of +126.82 m. In comparison with the low water surface elevation at the existing dead storage of the Jatibarang Reservoir, which is at +136 m, it can be concluded that the Jatibarang reservoir can operate according to the planned lifespan and can still function for more than 50 years
PELATIHAN PEMASANGAN PIPA RESAPAN HORISONTAL SEBAGAI UPAYA PENGENDALIAN GENANGAN BERBASIS MASYARAKAT DI KECAMATAN PATEBON, KENDAL Fitria Maya Lestari; Purwanto Purwanto; Etika Herdiarti; Lindawati Lindawati; Yonikha Rivani
Martabe : Jurnal Pengabdian Kepada Masyarakat Vol 9, No 9 (2026): MARTABE : Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jpm.v9i9.3601-3607

Abstract

Permasalahan genangan air akibat rendahnya daya resap tanah merupakan salah satu isu lingkungan yang sering terjadi di wilayah perkotaan dan ingkat terbangun, termasuk di lingkungan Kantor Kecamatan Patebon. Kondisi ini dipengaruhi oleh tingginya curah hujan serta dominasi permukaan kedap air berupa bangunan dan perkerasan, sehingga air hujan tidak dapat meresap secara optimal ke dalam tanah. Kegiatan PKM ini bertujuan untuk pelatihan pemasangan Pipa Resapan Horisontal Di Kecamatan Patebon. Metode pelaksanaan kegiatan meliputi survei lokasi, Pembagian Pre-test dan Post-tast, sosialisasi kepada masyarakat dan pelatihan pembuatan PRH serta Pemasangan. Berdasarkan hasil penilaian pre-test maupun post-test menunjukkan 10% peserta ada yang sudah memahani konsep, fungsi dan penerapan PRH lalu setelah penjelasan materi, pelatihan dan pemasangan PRH terdapat peningkatan pemahaman serta pengetahuan peserta sebanyak 90% peserta memahami konsep, fungsi dan pemasangan PRH. PRH ini diharapkan dapat menjadi contoh penerapan teknologi tepat guna yang sederhana, ramah lingkungan, dan berkelanjutan, serta dapat direplikasi di wwilayah lain dengan permasalahan serupa
Pelatihan Manajemen Resiko bagi Pekerja Konstruksi Gudang Bulog Kabupaten Demak (Penyusunan Rencana Keselamatan Konstruksi Pra Desain) Sutik; Fitria Maya Lestari; Etika Herdiarti; Nuryanto Sasmito S
Jurnal Pengabdian KOLABORATIF Vol. 4 No. 1 (2026): January
Publisher : Faculty of Engineering, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/kolaboratif.v4i1.12739

Abstract

Risk management is defined as a systematic process that includes planning, organizing, leading, and controlling organizational activities to minimize the likelihood of revenue loss. PT Mustiko Klopo Jati faces challenges related to improving construction risk management practices. The implementation of this activity is carried out in the Bulog Warehouse Construction Project. The objective of this community service program (PKM) is to provide risk management training with a focus on the preparation of the Construction Safety Plan (RKK). This training aims to enhance participants’ knowledge in preparing RKK documents in accordance with the latest regulatory standards. Before the training, 48% of participants had a limited understanding of the RKK preparation process; following the training, the level of understanding among construction practitioners increased to 85%. It is expected that this activity will provide solutions to the identified problems and foster effective collaboration with industry partners, thereby contributing to innovation in the implementation of efficient and appropriate construction practices.
Implementation of Horizontal Infiltration Pipes System for Sustainable Drainage at Demakan Village Office, Banyubiru, Semarang Regency Lindawati; Fitria Maya Lestari; Etika Herdiarti; Yonikha Rivani; Hendra Masvika
Jurnal Pengabdian KOLABORATIF Vol. 4 No. 2 (2026): July
Publisher : Faculty of Engineering, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/kolaboratif.v4i2.13542

Abstract

The primary issue in Demakan Village, Banyubiru, Semarang Regency, is the high volume of rainwater runoff that frequently causes puddles in public areas. This community service aims to implement Horizontal Infiltration Pipe (HIP) technology as an eco-friendly drainage solution. The implementation method consisted of coordination and socialization with village officials and residents, site surveys, system design, and installation of a perforated horizontal infiltration pipe network at the Demakan Village Office on 15 November 2025. The implementation resulted in the successful establishment of a functional HIP system that reduced localized ponding around the office area, facilitated rainwater infiltration into the surrounding soil, and served as a practical demonstration of sustainable drainage technology for the community. The activity also strengthened the understanding of village stakeholders regarding environmentally sound drainage management and groundwater conservation. In conclusion, the HIP system proved to be a feasible alternative to conventional vertical infiltration structures, particularly in areas with limited space and specific soil conditions. The installed system can serve as a pilot model for sustainable drainage management in Banyubiru, while routine maintenance and periodic monitoring are recommended to ensure long-term system performance and support groundwater recharge.
Co-Authors Agung Kristiawan Ahmad Hakim Bintang Kuncoro Bambang Tutuko carina, Annisa’ Dyah Ari Wulandari Edy Susilo Edy Susilo Etika Herdiarti Etika Herdiarti Fahrurroziqin, Nor Ahmad Faizal Mahmud Istianah Istianah Kukuh Wisnuaji Widiatmoko Lindawati Lindawati Lindawati Masvika, Hendra Mudjiastuti Handajani Nurti Kusuma Anggraini Nuryanto Sasmito S Purwanto Purwanto Rabbani, Anggitsna Mujib Ramadhan, Khozin Gilang Ratih Pujiastuti Risdiana Ch. Afifah Risdiana Cholifatul Afifah Risdiana Cholifatul Afifah, Risdiana Son Haji Son Haji Sri Wanto Suseno Darsono Sutik Sutik Sutik Yonikha Rivani