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All Journal TRANSPUBLIKA INTERNATIONAL RESEARCH IN EXACT SCIENCES (TIRES)
Laksono Djoko Nugroho
Master of Civil Engineering Study Program, Faculty of Engineering, Universitas 17 Agustus 1945 Surabaya, Indonesia
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Mathematics Physics

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Analysis of the Construction of Infiltration Wells in Pondok Jati Housing, Sidoarjo to Reduce Surface Flow for Flood Prevention Efforts Hasan Alif Fathurokman; Esti Wulandari; Laksono Djoko Nugroho
TRANSPUBLIKA INTERNATIONAL RESEARCH IN EXACT SCIENCES Vol. 4 No. 1 (2025): JANUARY
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/tires.v4i1.1561

Abstract

Water stored on the surface generally turns into runoff and much faster than groundwater considering the very low flow rate of the latter. Drainage of the Pondok Jati residential area is less able to receive or accommodate rainwater discharge because the development and growth of a city is one of the triggers for increasing the volume of discharge that passes through the residential area. Land use will affect the percentage of water that seeps into the soil with surface flow. Land with dense populations and many buildings, infiltration wells must be made more and larger in volume. Either with individual infiltration wells or with infiltration wells collectively for several houses, the need for infiltration wells from each block to reduce runoff that occurs with a 10-year return period plan. For the specifications of this infiltration well, concrete pipes are used. This infiltration well itself has concrete pipe walls with a diameter of 100 cm (1 meter) with the depth of the infiltration well is 300 cm (3.0 meters) and the number of points needed. The cost of making an infiltration well with a total of 210 infiltration wells in the Pondok Jati Sidoarjo housing complex is Rp. 696.358.600,- .
Optimization of Road Handling Priorities Using Provincial/District Roads Management System Integration and Analytical Hierarchy Process at UPT PJJ Surabaya, East Java Nur Aini Farida; Laksono Djoko Nugroho; Haris Muhammadun
TRANSPUBLIKA INTERNATIONAL RESEARCH IN EXACT SCIENCES Vol. 4 No. 1 (2025): JANUARY
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/tires.v4i1.1568

Abstract

This study aims to identify the priority order for road maintenance on road sections under the Surabaya Road and Bridge Management Unit (UPT PJJ Surabaya) in East Java Province by utilizing the Provincial/District Roads Management System (PKRMS) application integrated with the Analytical Hierarchy Process (AHP) method. Additionally, the study seeks to estimate the required costs for implementing the road maintenance. The research adopts a quantitative approach with a positivist philosophy. The study population consists of 123 employees from the East Java Provincial Public Works and Highways Agency, with a sample of 33 respondents selected using purposive sampling techniques. Data were collected using a mixed-method approach, involving road condition surveys conducted through the Moving Car Observer (MCO) method and a literature review. Data analysis was conducted systematically using a combination of PKRMS and AHP. The results indicate that the top-priority road section for maintenance, based on the integration of PKRMS and AHP, is the Sumberwudi–Karang Geneng section, which obtained the highest Priority Index Score (TPI) of 56. The estimated cost required for maintaining this road section is Rp16,475,545,104.98. The integration of PKRMS and AHP provides an objective, efficient, and data-driven approach, enabling local governments to optimize budgets and extend the lifespan of road infrastructure. This study recommends that local governments consistently adopt the combination of PKRMS and AHP in road infrastructure management to ensure more targeted budget allocation and enhance transparency in decision-making processes.
Analysis of Road Infrastructure Condition Based on Traffic Density in Bengkulu City Sugeng Pujiyono; Laksono Djoko Nugroho; Haris Muhammadun
TRANSPUBLIKA INTERNATIONAL RESEARCH IN EXACT SCIENCES Vol. 4 No. 1 (2025): JANUARY
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/tires.v4i1.1590

Abstract

The purpose of this research is to explain the analysis of road infrastructure conditions, in terms of traffic density and road quality in Bengkulu City. The research method uses descriptive with qualitative approach, Research Subjects, are people and government institutions, key informants are all people or officials related to road infrastructure policy makers, traffic density and road quality, such as traffic police, transportation department, PUPR department, BPS Bengkulu City. Informants are people or government institutions/institutions that are the object of research, the number is determined based on the criteria of this research. in the form of structured questions for interviews to Informants, Key informants and Triangulation of data. Data Collection Techniques present the sampling methods and data collection techniques used, such as field surveys, direct observation, or the use of secondary data. The results of the analysis using Neil S. Grigg's Infrastructure Management theory state that the condition of Road Infrastructure in Bengkulu City is good based on the criteria of the transport system (roads and bridges), clean water and sanitation systems and energy and other public facilities.
Co-Authors Esti Wulandari Haris Muhammadun Hasan Alif Fathurokman Nur Aini Farida Sugeng Pujiyono