The Plesungan Weir rehabilitation project aims to improve the efficiency of the irrigation system sourced from Pondok Reservoir, supporting agricultural productivity in Ngawi Regency. With a 270-day timeframe and funded by the 2021 State Budget (APBN), the project was supervised by SNVT for Water Utilization Network Implementation of Bengawan Solo, in collaboration with supervisory consultants and contractors.
The scope of supervision includes construction oversight, quality control, and design revisions to ensure cost efficiency, structural safety, and optimal infrastructure functionality based on site conditions. Design modifications were implemented to adjust revetment structures and work volumes while maintaining the integrity of the main structure.
The project was successfully completed 100% on target, with intensive supervision and strong coordination with relevant stakeholders. Moving forward, sustainable management and synergy with local communities through the Cash for Work (PKT) program are recommended to enhance local economic impact.
Status: 100% Completed – Ready for Maintenance Phase
The government, through the Sumatra River Basin Agency III, has undertaken the Review of Intake Development Design and Raw Water Transmission Pipeline project in Wonosari Village, Bengkalis Regency. As the demand for raw water continues to rise, this project aims to evaluate and redesign the intake system and transmission pipelines, ensuring a sustainable supply of clean water for the community.
Over six months, the project involved topographic, hydrological, and soil mechanics surveys, as well as technical and environmental analysis. The initial intake and pipeline designs were developed based on comprehensive studies, incorporating adjustments to enhance maintenance and operational efficiency. Additionally, the Budget Plan (RAB) and tender documents were prepared to support the construction phase.
Challenges such as delays in soil laboratory test results and limited coordination due to COVID-19 restrictions were successfully addressed through expedited technical completion and intensive stakeholder discussions. With the design review phase now complete, the project is ready to move into the construction phase, delivering a more efficient and sustainable raw water supply system.
Project Status: 100% Design Review Completed – Ready for Construction Implementation
The Bale Purbo Fishing Pier in Gresik Regency is a vital facility supporting local fishermen and coastal activities. However, recurring sedimentation has threatened pier operations, navigation, and structural integrity. To ensure proper handling, the Ministry of Public Works assigned a Supervision Consultant to oversee the sedimentation management works under the 2023 Budget Year.
The supervision team carried out continuous monitoring, design reviews, and quality control, ensuring that all construction activities aligned with technical specifications, planning documents, and safety standards. The consultant also coordinated closely with local stakeholders to support smooth implementation.
🔸 Scope of Work
Reviewing and revising design drawings to optimize cost efficiency and adapt to site conditions.
Supervising contractor readiness, including equipment, workforce, and technical personnel.
Monitoring construction quality, safety, and compliance with technical specifications.
Coordinating with local communities for the use of public facilities during construction.
Managing documentation, reporting, and technical recommendations throughout the project.
🔸 Key Benefits
Operational sustainability → ensuring uninterrupted use of the pier for fishing activities.
Improved safety → enhancing building strength, stability, and environmental protection.
Efficient project delivery → full utilization of allocated funds and resources.
Community support → coordination with local stakeholders to minimize disruption.
This project highlights the importance of proactive supervision in safeguarding coastal infrastructure, ensuring Bale Purbo Pier continues to serve as a reliable hub for the fishing community in Gresik.
The Gongseng Dam was constructed to enhance water resource management, support irrigation services, and strengthen food security in Bojonegoro Regency. Additionally, the dam plays a vital role in providing raw water for the surrounding community, while also contributing to flood mitigation and renewable energy potential. With the completion of its physical construction, an Operation & Maintenance (OP) Certification is required to ensure the dam can be fully operational and utilized efficiently.
The Gongseng Dam features a rock-fill structure with a vertical core, designed for long-term stability. It provides essential functions such as supplying irrigation water for 6,191 hectares of farmland, reducing flood risks by 176.44 m³/sec, generating microhydro power with a potential of 0.70 MW, and delivering 300 liters per second of raw water for domestic and industrial needs.
From a geological perspective, the dam is built on marl rock formations, requiring careful structural evaluation to ensure long-term stability and groundwater infiltration control. Given the potential for seismic activity, foundation reinforcement using grouting techniques is necessary to maintain structural integrity and prevent water seepage along fault zones.
Efficient operation of the Gongseng Dam depends on well-maintained hydromechanical equipment, which facilitates water discharge, regulation, and overall system performance. This includes gates, valves, and spillway control mechanisms, all of which require routine inspections and preventive maintenance to ensure optimal functionality. By integrating modern engineering solutions, proactive maintenance strategies, and regulatory compliance, the Gongseng Dam is positioned as a key water infrastructure asset, supporting regional development, water conservation, and disaster mitigation efforts.
📍 Key Specifications:
Dam Type: Rock Fill with Vertical Core
Main Dam Height: 34.00 m | Saddle Dam Height: 12.00 m
Total Peak Length: 422.00 m
Reservoir Capacity: 22.43 million m³ (Effective: 14.75 million m³, Dead Storage: 7.68 million m³)
Inundation Area: 390.65 Ha | Water Catchment Area: 51.21 km²
Status: 100% Completed – OP Certification in Progress
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