Penulis: editor

The Supervision of the Rehabilitation of the Irrigation Network in Dataran Kotamobagu (Continuation) under IPDMIP ensures optimal water distribution, structural improvements, and sustainable irrigation management in Bolaang Mongondow Timur Regency and Kotamobagu City, North Sulawesi. This project integrates technical supervision, quality control, and design evaluation to enhance the existing semi-technical irrigation system that relies on natural water sources.

Key activities include:

✔ Evaluation and revision of irrigation designs based on field conditions.

✔ Supervision of construction works to ensure compliance with specifications and efficiency in water management.

✔ Implementation of secondary canal rehabilitation, sediment control, and supporting structures.

✔ Ensuring proper operation and maintenance by local water management authorities.

The project covered hydrological analysis, structural reinforcement, and modernization of irrigation canals to support sustainable agricultural development. By upgrading irrigation intake structures, improving drainage efficiency, and optimizing water flow management, this initiative directly contributes to reducing water losses and increasing crop yields in the region.

This project significantly improves agricultural productivity, reduces water distribution inefficiencies, and strengthens climate resilience. With a focus on long-term sustainability and community-based irrigation governance, the initiative ensures that farmers and stakeholders can maintain and optimize water usage effectively.

Status: 100% Completed – Ready for Full Operation

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The Detailed Design for Drainage Channel in Wariori Irrigation Area aims to restore irrigation efficiency and optimize excess water discharge to support agricultural sustainability in Manokwari, West Papua. Covering 3,450 hectares, this project is crucial for preventing waterlogging issues, improving land productivity, and ensuring efficient irrigation runoff management.

The project includes:

✔ Hydrological and Topographical Analysis – Evaluating water flow and land contours to ensure proper drainage capacity.

✔ Drainage Network Design – Developing primary, secondary, and tertiary drainage channels to efficiently manage irrigation runoff.

✔ Sediment and Erosion Control – Implementing strategies to prevent sediment buildup and soil erosion in the drainage system.

✔ Sustainable Water Management – Ensuring long-term functionality and reducing flood risks for local farming communities.

✔ Infrastructure Optimization – Integrating modern drainage structures and maintenance strategies to support long-term resilience and sustainability.

This project not only enhances agricultural resilience and mitigates flooding risks, but also ensures that irrigation infrastructure operates efficiently to sustain food production and local livelihoods. The finalized design is aligned with national water resource management policies, ensuring compliance with technical and environmental standards.

Status: 100% Completed – Ready for Implementation

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The Detailed Engineering Design (DED) for Flood Control in Sepaku District was developed to address frequent flooding issues caused by high rainfall intensity, inadequate drainage systems, and rapid land development. This project, situated in Sepaku District, North Penajam Paser Regency, East Kalimantan, plays a crucial role in supporting the new capital city development (IKN Nusantara) by enhancing climate resilience and flood mitigation strategies.

The project focuses on hydrological and hydraulic analysis, topographical and geological surveys, and designing flood control structures that align with sustainable urban development principles. Key interventions include:

✔ River Normalization – Restoring natural water flow and preventing sedimentation.

✔ Levee and Embankment Strengthening – Reinforcing flood-prone areas with revetments and retaining walls.

✔ Drainage System Improvement – Designing optimized drainage channels and stormwater management solutions.

✔ Sustainable Flood Mitigation Strategies – Implementing zoning regulations, floodplain management, and disaster risk reduction measures.

The final DED provides technical recommendations and engineering solutions to mitigate flood risks, ensuring a safer and more resilient urban environment in Sepaku District.

Status: 100% Completed – Ready for Implementation

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The Detailed Engineering Design (DED) for River Flood Control in Sepang Village, Pampangan District, Ogan Komering Ilir Regency aims to mitigate seasonal flooding and enhance water flow efficiency in the area. The project focuses on analyzing hydrological patterns, assessing river morphology, and designing structural flood control measures to protect residential zones and agricultural land.

Located along the Padang River, a tributary of the Komering River, the flood-prone Sepang Village faces significant water level fluctuations due to heavy rainfall and inadequate drainage capacity. The study included topographic and hydrological surveys, river flow modeling, and sediment transport analysis to formulate effective flood management solutions.

Key components of the project include:

✔ Riverbank Protection Structures – Strengthening riverbanks using revetment and embankments to prevent erosion.

✔ Drainage Improvement – Designing optimized water channels and retention basins to regulate excess runoff.

✔ Hydraulic Structures – Implementing sluice gates and flood barriers to control water levels and reduce flood risks.

✔ Sustainable Water Management Strategies – Ensuring long-term flood resilience and environmental sustainability.

The finalized DED provides detailed technical plans for implementing a robust flood control system, aligning with Indonesia’s water resource management regulations. This initiative will enhance climate resilience, safeguard local communities, and improve agricultural productivity in Sepang Village.

Status: 100% Completed – Ready for Implementation

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The Construction Supervision for the Rehabilitation of the North Lakbok Irrigation Network (Package 2) was conducted to ensure quality control, structural integrity, and compliance with irrigation infrastructure standards. This project, located in Banjar City and Ciamis Regency, West Java, aimed to rehabilitate and optimize the irrigation system supporting 6,673 hectares of rice fields.

The supervision scope covered structural rehabilitation of primary and secondary irrigation canals, sediment control, flood management structures, and inspection roads. Key activities included quality assurance of construction works, monitoring contractor performance, and ensuring timely completion in accordance with national water resource management policies.

The project involved revamping critical irrigation structures, such as:

✔ Pataruman Primary Canal – Enhancing water distribution efficiency.

✔ Secondary Canals (Pondok Huni, Paniisan, Bantardawa, Puloerang, Bojongrangkok, Padaringan) – Structural rehabilitation and optimization.

✔ Drainage & Flood Management Systems (Cibeet 1, Cibeet 2, Pasung, Purwodadi) – Preventing water stagnation and improving land productivity.

✔ Concrete Inspection Roads – Facilitating maintenance access and irrigation monitoring.

By integrating modern irrigation management strategies, this project significantly enhances water efficiency, reduces irrigation losses, and supports sustainable agricultural productivity.

Status: 100% Completed – Ready for Full Operation

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The Operational Certification of Tembesi Dam in Batam was conducted to assess the structural integrity, operational feasibility, and safety compliance of the dam in accordance with national regulations. Built between 2010 and 2014 and officially operated in 2020, Tembesi Dam plays a crucial role in water supply distribution and flood mitigation for Batam. This certification ensures the dam meets national safety and operational performance standards, providing reliable raw water resources for the city’s growing population and industries.

This certification process involved comprehensive inspections, sedimentation analysis, hydrological assessments, and infrastructure evaluations. Key activities included visual inspections, instrument monitoring, and emergency response planning to mitigate potential risks related to seepage, sediment build-up, and structural degradation. Additionally, assessments were conducted on spillway capacity, dam instrumentation functionality, and seepage control measures, ensuring that Tembesi Dam remains fully compliant with safety regulations.

Located in Sagulung District, Batam, Riau Islands, Tembesi Dam serves as a primary water resource for Muka Kuning Reservoir, with a total storage capacity of 56.82 million cubic meters. The project also included recommendations for routine maintenance protocols, long-term sedimentation control strategies, and structural reinforcements, ensuring sustainable water management and infrastructure resilience.

By implementing advanced monitoring systems and structured operational guidelines, this initiative guarantees long-term dam functionality, water security, and flood control efficiency, supporting Batam’s economic and environmental sustainability.

Status: 100% Completed – Certified & Operational

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The Operational Readiness Preparation for Gondang Dam in Karanganyar Regency was carried out to ensure the safe and efficient management of the dam and its supporting infrastructure. Gondang Dam, located on the Melikan River, Karanganyar, Central Java, was completed in 2018 with a catchment area of 68.10 km² and serves multiple functions, including irrigation for 4,680 hectares, raw water supply, and flood control.

The project involved assessing operational and maintenance (O&M) requirements, evaluating instrumentation systems, and establishing an operational management framework. Key activities included documenting dam safety protocols, setting up an operational structure, and preparing emergency response plans. The study also focused on ensuring regulatory compliance, optimizing water resource utilization, and developing a long-term maintenance strategy to extend the dam’s lifespan.

By implementing data-driven planning and infrastructure resilience measures, this project ensures that Gondang Dam operates efficiently while mitigating potential risks associated with sedimentation and structural integrity.

Status: 100% Completed – Ready for Operation & Maintenance

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The Supervision of Flood and Sediment Control Infrastructure Development in Batang Suliti, South Solok was conducted to ensure the proper implementation, quality control, and efficiency of the flood mitigation structures along Batang Suliti River. This project aimed to reduce flood risks and sedimentation issues by constructing revetments, river normalization structures, and groundsills to stabilize the riverbanks and enhance water flow management.

The project, with a contract value of Rp 53.7 billion, was executed over 265 calendar days, ensuring compliance with technical specifications, environmental regulations, and safety protocols. The supervision covered hydraulic structure inspections, material testing, construction progress assessments, and contractor compliance monitoringto achieve the project’s objectives.

Located in Pangkuah River and Sawah Laweh, Koto Parik Gadang Diateh (KPGD), South Solok, the project plays a vital role in protecting communities from recurring flood disasters and sediment buildup. Additionally, recommendations were provided for long-term sustainability measures, routine maintenance protocols, and sedimentation control strategies to enhance the resilience of the flood control infrastructure.

Status: 100% Completed – Ready for Operation & Maintenance

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The Updating of Operation and Maintenance (O&M) Manual for Tidal Irrigation Networks in DIR Sebakung, DIR Petung, DIR Labangka, DIR Kenangan, DIR Suliliran, and DIR Padang Parapat was conducted to enhance water management efficiency in Penajam Paser Utara and Paser Regencies, East Kalimantan. This project aimed to update and standardize the operational procedures for maintaining the existing irrigation infrastructure in tidal swamp areas.

The assessment covered hydrological and hydraulic analysis, structural evaluations, and operational efficiency studies, revealing that many control gates and irrigation channels were in deteriorated condition. Key improvements recommended include rehabilitating damaged sluice gates, optimizing water distribution systems, and implementing sustainable maintenance strategies to ensure long-term agricultural productivity.

Additionally, this manual integrates climate adaptation strategies, improved drainage management, and optimized water level control mechanisms to support sustainable rice farming and protect against saline water intrusion. With a focus on enhancing farmer participation through P3A (Water User Associations), the project also emphasizes community-based irrigation governance to improve water allocation and maintenance practices.

Status: 100% Completed – Ready for Implementation

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The Performance Assessment and Actual Needs for Operations and Maintenance (AKNOP) Development of Raw Water Infrastructure in West Papua was conducted to evaluate the functionality and operational efficiency of water supply networks across five regencies. The study covered seven distributed water intake systems in Manokwari, Teluk Bintuni, Maybrat, Kaimana, and Pegunungan Arfak, analyzing their condition and estimating the actual needs for operation and maintenance.

The assessment revealed that most raw water networks faced structural degradation due to aging infrastructure, sediment accumulation, and operational inefficiencies. Key findings included damaged pipelines, non-functional pumping stations, and insufficient reservoir capacity, necessitating rehabilitation and optimized maintenance strategies. The study provided a comprehensive cost analysis to support sustainable water resource management, ensuring long-term service reliability for local communities.

Through detailed hydrological analysis, structural evaluations, and maintenance planning, this project proposed tailored solutions to enhance water distribution efficiency and infrastructure resilience. Recommendations included pump station rehabilitation, sediment control measures, and the implementation of preventive maintenance protocols. By integrating data-driven planning and regulatory compliance, this initiative ensures that West Papua’s raw water systems remain operational, sustainable, and capable of meeting future demands.

Status: 100% Completed – Ready for Maintenance Phase

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