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All Journal Media Teknik Sipil Journal of Social Science Devotion: Journal of Research and Community Service Journal of Social Research COMSERVA: Jurnal Penelitian dan Pengabdian Masyarakat TRANSPUBLIKA INTERNATIONAL RESEARCH IN EXACT SCIENCES (TIRES) INJURITY: Journal of Interdisciplinary Studies Jurnal Teknik Indonesia Journal of Social Science Enrichment: Journal of Multidisciplinary Research and Development Asian Journal of Social and Humanities
Laksono Djoko Nugroho
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Religion Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Transportation Other

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Analysis of Flood Discharge and Water Level of the Babon River in Semarang Muhamad Fakhrurrozi; Esti Wulandari; Laksono Djoko Nugroho
Enrichment: Journal of Multidisciplinary Research and Development Vol. 2 No. 10 (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.v2i10.284

Abstract

This study aims to determine the toll rates desired by the people of Gresik Regency based on the value of Ability to Pay (ATP) and Willingness to Pay (WTP) on the Krian – Legundi – Bunder (KLB) Toll Road. Through traffic count surveys and Road Side Interviews (RSI) at toll gates and arterial roads, data on vehicle population, payment ability, and user preferences for existing toll rates were obtained. The analysis employed a Logit model to evaluate the relationship between the ATP and WTP values and their correlation with the current toll rates. The results revealed that both the WTP and ATP of the community were lower than the existing toll tariff. Specifically, the study found that the optimal toll rate for users would be Rp. 1,100/km, which is 26.96% lower than the current rate of Rp. 1,506/km. This adjustment not only aligns better with the financial capacities of the users but also presents an opportunity for revenue optimization. By lowering the toll rate, it is predicted that increased traffic volume could compensate for the reduced fee, ultimately benefiting both the toll operator and the community. In conclusion, establishing a toll rate that reflects user preferences is crucial for enhancing accessibility and ensuring sustainable revenue generation for infrastructure development.
Analysis of Determining Road Damage Repair Methods Based on Availability of Budget on the Road Segment of East Java Province Jarwoto Jarwoto; Esti Wulandari; Laksono Djoko Nugroho
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 Maya Yusnita; Esti Wulandari; Laksono Djoko Nugroho
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.
Time and Cost Control Analysis of Disaster Emergency Response Handling Project Construction in Mojokerto District Using Critical Path Method Ean Fadhillah Nurrahmat; Esti Wulandari; Laksono Djoko Nugroho
Enrichment: Journal of Multidisciplinary Research and Development Vol. 3 No. 1 (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.v3i1.331

Abstract

Landslides along the Sumber Pasinan River in Mojokerto Regency, East Java, pose significant risks due to soil erosion and increased flooding during the rainy season. This study aims to analyze the acceleration of construction for a disaster emergency response project using the Critical Path Method (CPM) to minimize time and costs. Employing a quantitative research approach, primary data was gathered through direct observations at the project site, complemented by secondary data from relevant literature and project documents. The findings indicate that the implementation period was successfully reduced from 71 working days to 47 days, achieving a time acceleration of 24 days. This required the addition of 11 workers for the critical task of installing river stone masonry, which constituted 70.16% of the project's workload. The application of CPM proved effective in managing time and resources efficiently. The implications of this research highlight the importance of employing structured project management methodologies in disaster response construction projects. By demonstrating the effectiveness of CPM in accelerating project timelines while controlling costs, this study provides a valuable reference for future projects facing similar challenges. It also opens avenues for further research into the long-term impacts of workforce augmentation on project quality and cost-effectiveness in disaster management contexts.
Analysis of Delays in Construction Time of the Banjarsari Water Gate Project, Sidoarjo District Using Critical Path Method Dwi Erry Nopriyanto; Esti Wulandari; Laksono Djoko Nugroho
Enrichment: Journal of Multidisciplinary Research and Development Vol. 3 No. 1 (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.v3i1.334

Abstract

The Banjarsari sluice gate, located on the Sidoarjo district's shipping river, faces various challenges that can affect its performance. These challenges include sedimentation, damage to building structures, and decreased water quality due to domestic and industrial waste. The implementation of the Banjarsari Water Gate maintenance project, especially the floor work, experienced seepage at the bottom of the water gate floor, resulting in structural failure of the water gate building. CPM method duration planning is a recommendation in choosing from the many methods available, because there is a calculation of the earliest time the project starts, the latest time the project begins, the earliest time completed, and the latest time completed, so that the time lag of all activities can be known. Analyze the acceleration of work duration by adding workers to the work on the critical path. The purpose of this research is to analyze the length of time required by the CPM (Critical Path Method) method for the work of the Banjarsari floodgate. In this study, the time analysis uses the CPM (Critical Path Method) method and is assisted by Microsoft Project 2021 Software. The analysis results obtained work through the critical path, namely demolition work and cyclope concrete casting, and obtained the results of the duration of work on the Banjarsari floodgate work after crashing to 66 working days from the initial duration of 72 working days.
Analysis of Delays in the Construction Project of the Pumping House in the Sumenep District Using the Critical Path Method Jenodius Aldino John; Esti Wulandari; Laksono Djoko Nugroho
Enrichment: Journal of Multidisciplinary Research and Development Vol. 3 No. 1 (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.v3i1.335

Abstract

Delays in construction projects pose significant challenges, particularly in remote areas like the Sumenep District. This research analyzed the pump house construction project delays using the Critical Path Method (CPM) to identify the primary factors causing delays, including material supply issues and labor shortages. A qualitative descriptive approach was employed, involving in-depth interviews with project stakeholders and analysis of project documents, including weekly reports and schedules. The findings indicated that the project experienced an average delay of two weeks, primarily due to delays in material supply from Surabaya and concurrent labor shortages caused by multiple simultaneous projects. To address these challenges, the study proposed solutions such as strengthening logistics coordination with local suppliers, increasing the workforce on critical tasks, and utilizing additional heavy equipment. The implications of this research highlight the importance of effective time and resource management in construction projects, particularly in remote locations. Applying the CPM method, this study identifies the root causes of delays and provides practical strategies to enhance project efficiency and reduce costs. This research contributes to the existing literature on construction management in Indonesia, emphasizing the need for adaptive approaches tailored to local conditions.
Co-Authors Akmal Puguh Al-Putro Atma Djendra Purbo Bela Prayogo Digma Pratama, Irwansyah Dwi Erry Nopriyanto Ean Fadhillah Nurrahmat Esti Wulandari Esti Wulandari Haris Muhammadun Haris Muhammadun Haris Muhammadun Hasan Alif Fathurokman Irwansyah Digma Pratama Jarwoto Jarwoto Jenodius Aldino John Maya Yusnita Moh Abduh . Muhamad Fakhrurrozi Muhammad Zainal Muttaqin Muhammad Zainal Muttaqin Muhammadun, Haris N. Nazaruddin Nashrullah Arifin, Isyraq Nazaruddin Nazaruddin Nur Aini Farida Oetomo, Wateno Ony Frengky Rumihin Orlando Gomes Sugeng Pujiyono Thomas Aquino Seki Tisno Subroto