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All Journal Publikasi Riset Orientasi Teknik Sipil (Proteksi)
Dayat Indri Yuliastuti
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Civil Engineering, Building, Construction & Architecture Transportation

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Analysis of Improvement Strategies for the Ngudikan Kiri Irrigation Network Using the Analytical Hierarchy Process (Case Study: Ngudikan Kiri Irrigation System, Nganjuk Regency): Analisis Strategi Perbaikan Jaringan Irigasi Ngudikan Kiri Menggunakan Metode Analytical Hierarchy Process (Studi Kasus: Jaringan Irigasi Ngudikan Kiri Kabupaten Nganjuk) Stevania, Egha; Bambang Sujatmiko; Dayat Indri Yuliastuti
PUBLIKASI RISET ORIENTASI TEKNIK SIPIL (PROTEKSI) Vol 7 No 2 (2025): Vol.7 No 2 (2025)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/proteksi.v7n2.p159-168

Abstract

Efficient irrigation is essential for supporting agricultural productivity in Nganjuk Regency. The Ngudikan Kiri irrigation network, covering 645 hectares, was selected as the research object due to its suboptimal performance, which affects water distribution to farmers. This study aims to evaluate the network’s performance using the KP-01 (2013) guidelines and to formulate improvement strategies through the Analytical Hierarchy Process (AHP). Data were collected through field surveys, documentation, and interviews, and analyzed using a descriptive quantitative approach. The results provide priority recommendations for improvement strategies that align with actual field conditions. The results of the Water Balance analysis show that the highest water deficit during the rice planting season reached 7.58 m³/second in May I, while the maximum deficit during the secondary crop planting season was 1.56 m³/second in November I. AHP analysis revealed that the social support criterion has the highest weight of 0.23, with the main priority on channel rehabilitation (0.24), followed by scheduled irrigation (0.23) and measured water gates (0.20). This study emphasizes the need for improvements in irrigation management through infrastructure enhancement and more efficient water distribution regulation so that the irrigation system functions optimally and supports sustainable agricultural productivity.
Analysis of the Pumping Capacity of Pulopancikan Pump House for Flood Control in Gresik Regency : Analisis Kapasitas Rumah Pompa Pulopancikan dalam Upaya Pengendalian Banjir di Kabupaten Gresik Anna Rosytha; Dayat Indri Yuliastuti; Arifien Nursandah; Mochamad Ismianto
PUBLIKASI RISET ORIENTASI TEKNIK SIPIL (PROTEKSI) Vol 7 No 2 (2025): Vol.7 No 2 (2025)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/proteksi.v7n2.p197-203

Abstract

The study analyze the pumping capacity of the Pulopancikan Pump House in flood control efforts in Gresik Regency, Indonesia. The area frequently experiences inundation due to high rainfall, sedimentation, and tidal backflow. The research applied hydrological and hydraulic analyses using maximum daily rainfall data from three climatology stations (Tambak Ombo, Bunder, and Cerme) for the period 2014–2023. Rainfall frequency analysis was conducted usings: Gumbel, Normal, Log Normal, and Log Pearson Type II. Based on the Smirnov–Kolmogorov and Chi-Square goodness-of-fit tests, the Log Pearson Type III distribution was selected as the most appropriate model. The design flood discharge was determined using the Rational Method, yielding 23.654 m3 for a 10-year return period. The planned pumping capacity is 4.25 m3/s, consisting of three main pumps and one sludge pump, which is considered sufficient to manage the runoff volume within a two-hour operating time. Evaluation results indicate  the Pulopancikan pump system effectively reduces inundation when operated in stages. However, the existing drainage channel capacity needs improvement to accommodate combined flows from rainfall and pump discharge.
Co-Authors Anna Rosytha Arifien Nursandah BAMBANG SUJATMIKO Mochamad Ismianto Stevania, Egha