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All Journal WIDYA TEKNIKA The Spirit of Society Journal : International Journal of Society Development and Engagement International Journal of Social Service and Research JOURNAL OF HUMANITIES, SOCIAL SCIENCES AND BUSINESS (JHSSB) COMSERVA: Jurnal Penelitian dan Pengabdian Masyarakat International Journal Science and Technology (IJST) International Journal on Advanced Technology, Engineering, and Information System (IJATEIS) INJURITY: Journal of Interdisciplinary Studies Jurnal Teknik Indonesia Jurnal Spesialis Teknik Sipil (JSpTS) Enrichment: Journal of Multidisciplinary Research and Development Advances In Social Humanities Research
Laksono Djoko Nugroho
Jurusan Teknik Sipil - Universitas Bojonegoro Jawa Timur
Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Transportation Other

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Analysis of Clean Water Demand in Watudiran Village, Sikka Regency Gode, Dicky; Nugroho, Laksono Djoko; Wulandari , Esti
Jurnal Teknik Indonesia Vol. 4 No. 4 (2025): Jurnal Teknik Indonesia
Publisher : Publica Scientific Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58860/jti.v3i4.792

Abstract

Watudiran Village in Sikka Regency is a semi-arid area experiencing limited access to clean water due to the absence of an adequate piped water network. To develop an effective and sustainable clean water pipeline project, various baseline data are needed to support technical planning and guide appropriate investment decisions. This study aims to analyze clean water demand based on projected population growth and domestic water consumption standards. The method involves population projection using a geometric growth model and water demand estimation based on government standards, assuming a daily per capita consumption of 60 liters per person. The analysis covers the period from 2024 to 2039. The results show that the population of Watudiran Village is projected to increase from 1,871 people in 2024 to 2,559 people in 2039. Based on this assumption, the average daily water demand will reach 153,522 liters by the end of the projection period. The peak flow is estimated at 3.56 liters per second, using a peak factor of 2.0. These findings provide a quantitative foundation for designing the village’s clean water distribution system and serve as a key reference for rural infrastructure development planning.
Analysis of Determining Road Damage Repair Methods Based on Availability of Budget on the Road Segment of East Java Province Jarwoto, Jarwoto; Wulandari, Esti; Nugroho, Laksono Djoko
Enrichment: Journal of Multidisciplinary Research and Development Vol. 2 No. 12 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v2i12.317

Abstract

Pavement damage on the Maospati - Magetan - Cemorosewu Road is severe, with issues such as potholes, surface deformation, peeling asphalt layers, and structural deflections due to heavy vehicle loads. These conditions pose significant risks, particularly during the rainy season, leading to hazardous driving conditions. This research aims to analyze the extent of road surface damage and recommend appropriate maintenance solutions using the PKRMS (Provincial/District Road Management System) method and the Bina Marga method. Data were collected through field surveys and official agency reports to assess road conditions. The findings indicate that the overall road condition is relatively good, with low levels of damage. Based on the Bina Marga and PKRMS assessments, routine maintenance is the most suitable repair strategy to prevent further deterioration and enhance road safety. The research underscores the importance of proactive and regular road maintenance planning to ensure long-term road durability. Future research should explore cost optimization strategies and predictive maintenance models to improve infrastructure sustainability.
Performance Analysis and Operation and Maintenance Cost Requirements for Rapak Di Drainage Yusnita, Maya; Wulandari, Esti; Nugroho, Laksono Djoko
Enrichment: Journal of Multidisciplinary Research and Development Vol. 2 No. 12 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v2i12.319

Abstract

Inadequate drainage infrastructure often leads to waterlogging during rainfall, emphasizing the need for urgent repairs. This study assesses the performance condition of the Rapak Dalam Drainage system using a quantitative and qualitative approach, including field observations, direct measurements, and hydrological data analysis. The findings indicate that the drainage system is rated at a "Good" performance level, with a functional capability of 80.56%. Although the system effectively manages water in most areas, certain components require immediate repairs to maintain optimal functionality. To enhance drainage performance, this study recommends routine inspections, timely maintenance, and sediment management to prevent blockages. Additionally, upgrading drainage infrastructure, optimizing water flow through improved design, and implementing community-based maintenance programs are suggested to ensure long-term efficiency. These measures will help mitigate flooding risks and improve urban water management in Samarinda.
Analisis Banjir Rancangan Metode HSS Laksono-Erub Nugroho, Laksono Djoko; Wulandari, Esti; Rumihin, Ony Frengky; Subroto, Tisno
COMSERVA : Jurnal Penelitian dan Pengabdian Masyarakat Vol. 5 No. 9 (2026): COMSERVA: Jurnal Penelitian dan Pengabdian Masyarakat
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/comserva.v5i9.3512

Abstract

Prediksi banjir rancangan yang akurat merupakan kebutuhan mendasar dalam perencanaan infrastruktur pengendalian banjir dan manajemen sumber daya air. Penelitian ini bertujuan untuk membandingkan akurasi empat metode Hidrograf Satuan Sintetik (HSS) dalam memprediksi debit banjir rancangan di DAS Plumbon, Kabupaten Semarang, yakni metode HSS Nakayasu, Snyder, Gama I, dan Laksono-Erub, serta mengidentifikasi metode yang memberikan penyimpangan terkecil terhadap data debit observasi. Penelitian ini menggunakan pendekatan kuantitatif komparatif dengan data curah hujan harian maksimum tahunan periode 2010-2020 dari tiga stasiun hujan di sekitar DAS Plumbon (Stasiun Mangkang, Kaligawe, dan Gunungpati), serta data debit observasi dari Bendung Plumbon periode yang sama. Hasil penelitian menunjukkan bahwa metode HSS Laksono-Erub memberikan akurasi tertinggi dengan nilai RMSE = 8,45 m³/detik, MAPE = 12,3%, dan R² = 0,89, diikuti oleh metode Gama I (RMSE = 11,72 m³/detik, MAPE = 16,8%, R² = 0,82), Nakayasu (RMSE = 15,31 m³/detik, MAPE = 21,5%, R² = 0,74), dan Snyder (RMSE = 18,96 m³/detik, MAPE = 25,7%, R² = 0,68). Metode Laksono-Erub secara konsisten menunjukkan penyimpangan terkecil untuk semua kala ulang, dengan selisih rata-rata 10-15% terhadap debit observasi. Temuan ini mengonfirmasi bahwa metode Laksono-Erub, yang dikalibrasi berdasarkan karakteristik DAS di Jawa Utara dan Madura, memiliki aplikabilitas yang baik untuk DAS Plumbon yang memiliki karakteristik fisiografis serupa. Penelitian ini memberikan rekomendasi praktis bagi perencana dalam memilih metode HSS yang tepat untuk analisis banjir rancangan di wilayah dengan karakteristik DAS serupa, serta memperkuat basis validasi empiris metode Laksono-Erub di luar lokasi pengembangan aslinya.
Analysis of Drainage Channel Construction Work Time Using the Trade Cost Trade Off (TCTO) Acceleration Method in Ponorogo Regency Prayogo, Bela; Nugroho, Laksono Djoko; Wulandari, Esti
Jurnal Teknik Indonesia Vol. 5 No. 2 (2026): Jurnal Teknik Indonesia
Publisher : Publica Scientific Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58860/jti.v5i2.799

Abstract

Drainage infrastructure development plays a crucial role in supporting urban environmental quality and preventing waterlogging and flooding. However, construction projects often experience delays that hinder infrastructure performance. In the drainage channel construction project on Letjend Suprapto Street and Menur Street, Ponorogo Regency, a progress deviation of ?30.26% occurred in the eighth week, indicating the need for an effective acceleration strategy. This study aims to analyze the effect of applying the Trade-Off Cost–Time (TCTO) method on project time acceleration and cost changes. This research employed a quantitative approach using network planning analysis with Microsoft Project to identify the critical path, followed by crashing analysis through additional work shifts and cost slope calculations using the TCTO method. The findings indicate that the project duration can be reduced from 65 days to 60 days by implementing a two-shift work system. This acceleration resulted in an increase in direct costs from IDR 2,390,347,251.56 to IDR 2,411,296,170.48. The TCTO method is proven effective in accelerating project duration with manageable additional costs, making it a viable solution for overcoming delays in drainage construction projects.
Co-Authors Abid, Luthfil Al-Putro, Akmal Puguh Classinta ARD, Bella Astrina Esti Wulandari Evita Fitrianis Hidiyati Farida, Nur Aini Gode, Dicky Gomes, Orlando Haris Muhammadun Hidiyati, Evita Fitrianis Hudyantoro, Hudyantoro Ikko Bagus Ismanto Irwansyah Digma Pratama Jarwoto, Jarwoto John, Jenodius Aldino Kogoya, Desmin Mawardianto, Hayadi Agus Maya Yusnita Muhammadun, Haris N. Nazaruddin Nopriyanto, Dwi Erry Nurrahmat, Ean Fadhillah Oetomo, Wateno Prasetyo, Baskoro Adhi Prayogo, Bela Pujiyono, Sugeng Purbo, Atma Djendra Rahayuningsih, Titin Rahman, Medio Duddian Wahyu Ratuinsani, Tati Mushalihati Rumihin, Ony Frengky Sajiyo Sajiyo, Sajiyo Sartiyana, I Ktut Riagung Septoraharjo, Eko Rony Setiyo, Anugrah Dwi Subandriyo, Putut Subroto, Tisno Suwito Suwito Wulandari , Esti