River Water & Raw Water Automation System

A comprehensive case study demonstrating end-to-end automation excellence in critical water infrastructure for thermal power generation

Project Overview

The Kalisindh Thermal Power Project represents a significant milestone in power generation infrastructure for Rajasthan. This 2 × 600 MW facility required sophisticated automation systems to ensure reliable water supply from a remote river source, presenting unique technical challenges that demanded innovative engineering solutions and seamless integration across multiple disciplines.

Client & Location

End User: Rajasthan Rajya Vidyut Utpadan Nigam

Limited (RRVUNL)

Project: 2 × 600 MW Kalisindh Thermal Power Project

Location: Jhalawar District, Rajasthan

Main Contractor: Vaibhav Structurals

Technology Partners

System Integrator (I&C): CABISOL

Technology Partner (Wireless): Sheetal Wireless

Project Type: Turnkey Instrumentation & Control Package

Segment: Water Infrastructure Automation

Critical Challenge: 21-Kilometer Remote Control

The project's defining challenge was the extraordinary distance between the river water intake point and the main power plant facility. Located approximately 21 kilometers apart, this geographic separation created significant technical hurdles for real-time monitoring and control. Traditional wired communication methods were not feasible due to the absence of optical fiber infrastructure across this remote terrain, necessitating an innovative wireless solution that could maintain reliable, uninterrupted data transmission. The three critical pumps installed near the Kalisindh River represented the lifeline of the entire power plant's cooling and processing systems. Any failure in monitoring or control could result in catastrophic operational disruptions, potentially costing millions in lost generation capacity. The client required absolute confidence that the automation system would perform flawlessly under all conditions, with real- time visibility into pump status, flow parameters, and system health indicators from the central control room.

Distance Challenge

• 21 km separation between river intake and plant

• No existing fiber optic infrastructure

• Challenging terrain for cable installation

• Required wireless communication solution

  
  

Reliability Requirements

• Mission-critical water supply for 1,200 MW capacity

• Zero tolerance for communication failures

• Real-time monitoring and control essential

• Redundant systems for fail-safe operation

Integration Complexity

• Multiple vendors and systems requiring coordination

• Field instrumentation integration

• PLC programming and logic development

• SCADA system implementation

Why CABISOL Was Selected

The selection process for this critical infrastructure project was rigorous and comprehensive. RRVUNL's decision to award the contract to CABISOL was based on multiple factors that extended beyond competitive pricing. The client's leadership personally visited CABISOL office to evaluate their technical capabilities, review past project documentation, and assess the team's expertise in handling complex automation challenges.

What distinguished CABISOL from competitors was their ability to offer single-point responsibility for the entire Instrumentation, Automation, and Communication scope. Rather than coordinating with multiple specialized vendors, the client found a partner capable of managing all aspects of the I&C package. This integrated approach significantly reduced project complexity, minimized coordination risks, and ensured clear accountability throughout the execution phase.

The company's proven track record in power plant automation, particularly in water management systems, provided the confidence necessary for such a mission-critical application. Their demonstrated competence in similar projects, combined with a comprehensive understanding of the unique challenges posed by the 21-kilometer wireless communication requirement, made them the natural choice for this ambitious undertaking.

Comprehensive Scope of Work

CABISOL executed the complete Instrumentation & Control package on a turnkey basis, encompassing every aspect of the water automation system from field-level instrumentation to centralized SCADA visualization. The scope was strategically divided into four interconnected work packages, each requiring specialized expertise and seamless integration with the others.

1. Pump Station Automation

Complete automation of three raw water pumps at the river-side location, including field

instrumentation integration for pressure, flow, level, and status signals. PLC-based control

logic implemented pump operation sequences, safety interlocks, and local control panels for field operation and maintenance access.

2. Raw Water Control System

Centralized automation architecture for both river water pumping and raw water transfer to

the power plant. The system incorporated sophisticated alarm management, comprehensive event logging, and safe pump sequencing protocols to ensure reliable operation under all conditions.

3. Wireless Communication

Engineered and commissioned a robust long- distance wireless communication system

spanning approximately 21 kilometers between the river pumping station and main

plant control room. The system enables reliable real-time data transfer for pump

status, flow and pressure parameters, alarms, and control commands.

4. SCADA Integration

Developed and deployed a comprehensive SCADA system providing centralized monitoring and control. Real-time visualization of all pumps and water parameters, with seamless integration of field PLCs with plant- side SCADA infrastructure for unified operational visibility.

Technical Architecture & System Design

The system architecture was designed with redundancy and reliability as paramount objectives. At the heart of the solution was a distributed control philosophy that leveraged programmable logic controllers (PLCs) at the remote pump station for autonomous operation, while maintaining continuous communication with the central SCADA system for monitoring and supervisory control. This approach ensured that even in the unlikely event of communication disruption, the pumps could continue operating safely based on pre-programmed logic and local instrumentation feedback. The wireless communication backbone utilized industrial-grade radio equipment specifically engineered for mission-critical applications. Working in close coordination with technology partner Sheetal Wireless,

CABISOL configured a licensed wireless architecture that provided the bandwidth, latency, and reliability required for real-time control applications. The communication system was thoroughly tested under various environmental conditions to ensure consistent performance during monsoons, extreme heat, and other challenging weather scenarios typical of the Rajasthan region. Field instrumentation was carefully selected and integrated to provide comprehensive visibility into system performance. Pressure transmitters monitored pump discharge and pipeline conditions, electromagnetic

flow meters tracked water flow rates with high accuracy, level sensors ensured proper suction conditions, and digital status inputs confirmed pump running states and valve positions. All instrumentation signals were processed by the field PLCs and transmitted to the central SCADA system for operator interface and historical data logging.

Field Instrumentation

Pressure, flow, level sensors integrated with pump controls

PLC Control Logic

Autonomous pump operation with safety interlocks

Wireless System

21 km industrial-grade communication backbone

Central SCADA

Real-time monitoring and supervisory control

Challenges Overcome Through Innovation

Every major infrastructure project encounters obstacles, and the Kalisindh automation system was no exception. However, the systematic approach employed by CABISOL transformed these challenges into opportunities to demonstrate technical excellence and problem-solving capability. The table below illustrates how specific challenges were addressed through innovative engineering solutions and collaborative execution.

The successful resolution of these challenges required not only technical expertise but also effective project management, clear communication with all stakeholders, and an unwavering commitment to quality and reliability. The team's ability to anticipate potential issues and implement proactive solutions proved instrumental in delivering the project on schedule and within budget.

Project Execution Excellence

The execution phase of the Kalisindh project exemplified CABISOL methodical approach to complex system integration. The project team established a comprehensive execution plan that balanced parallel workstreams with critical path dependencies, ensuring maximum efficiency without compromising quality or safety standards. Regular coordination meetings with Vaibhav Structurals, Sheetal Wireless, and RRVUNL representatives ensured alignment on progress, technical decisions, and schedule adherence. Factory acceptance testing (FAT) played a crucial role in de-risking the site commissioning phase. All control

panels, PLC programs, and SCADA interfaces were thoroughly tested at CABISOL facility before shipment to site. This approach allowed the team to identify and resolve issues in a controlled environment, significantly reducing troubleshooting time during field commissioning. The wireless communication system underwent extensive range testing and performance validation to confirm signal strength and data integrity over the 21-kilometer link. Site installation and commissioning were executed with minimal disruption to the ongoing civil and mechanical works. The team coordinated closely with other contractors to optimize access to work areas and ensure safety protocols were maintained at all times. Loop checks verified the integrity of all instrumentation circuits, and systematic functional testing confirmed proper operation of all control sequences and safety interlocks before the system was energized with live process conditions.

1. Engineering & Design

Detailed system architecture, PLC programming, SCADA development, and comprehensive documentation

2. Factory Acceptance Testing

Complete testing of panels, control logic, and communication systems in controlled

environment

3. Site Installation

Panel installation, instrumentation mounting, cable pulling, and termination with quality inspections

4. Commissioning & Testing

Loop checks, functional testing, wireless system validation, and integrated system performance verification

5. Handover & Training

Operator training, documentation handover, and successful system stabilization within committed timelines

The successful commissioning without major shutdowns or operational disruptions demonstrated the effectiveness of the planning and execution strategy. The system was stabilized and formally handed over to RRVUNL operations within the committed project timelines, meeting all performance guarantees and client expectations.

Measurable Results & Client Benefits

The completed River Water & Raw Water Automation System has delivered substantial operational and strategic benefits to RRVUNL's Kalisindh Thermal Power Project. Since commissioning, the system has maintained consistent, reliable performance, ensuring uninterrupted water supply to both 600 MW generating units. The real-time monitoring and control capabilities have transformed operational efficiency, enabling operators to respond immediately to changing conditions and optimize pump operation based on actual plant

demands.

Operational Excellence

Remote monitoring and control of river pumps from plant control room eliminated the need for continuous field presence, reducing operational risk and improving response time to abnormal conditions.

Enhanced Reliability

Uninterrupted raw water supply to both generating units through redundant control logic,

fail-safe design, and comprehensive alarm management systems.

Improved Efficiency

Optimized pump operation based on real-time plant demands, reduced manual intervention,

and faster troubleshooting through comprehensive diagnostic capabilities.

Client Satisfaction

High client satisfaction achieved through smooth execution, professional project management, and system reliability that exceeded performance guarantees.

Establishing Leadership in Water Segment Automation

The successful execution of the Kalisindh River Water & Raw Water Automation Project serves as compelling evidence of CABISOL capabilities in water infrastructure automation for large-scale power generation facilities. This benchmark project demonstrates comprehensive competencies that extend across the entire project lifecycle, from initial

engineering and system design through commissioning and performance optimization. The company's ability to manage complex, mission-critical automation systems positions them as a preferred partner for similar applications across the power and utilities sectors.

The project showcases several distinctive strengths that differentiate CABISOL in the competitive system integration market. As a trusted end-to-end system integrator, the company provides single-point accountability that simplifies project execution and reduces coordination risks for clients. Their proven expertise in complex water infrastructure automation, particularly in challenging applications involving long-distance communication and remote monitoring, addresses a critical need in the power generation industry where water management is essential to operational reliability. CABISOL experience with long-distance communication-based control systems represents a unique capability

that few competitors can match. The successful implementation of the 21-kilometer wireless system for real-time pump control demonstrates both technical sophistication and practical problem-solving ability. This expertise is directly applicable to numerous other applications in water treatment plants, raw water systems, cooling water systems, and distributed pump

stations where similar challenges exist. Beyond technical capabilities, the company's track record as a reliable partner throughout the complete project lifecycle from engineering through commissioning and beyond provides clients with confidence that their critical infrastructure will be delivered on time, within budget, and to the highest quality standards. The Kalisindh project stands as a powerful reference that can be confidently presented to prospective clients in power plants, water treatment facilities, raw water systems, and utilities seeking a proven partner for their automation needs.

"The Kalisindh River Water & Raw Water Automation Project stands as a strong reference showcasing Industrial IT Solutions' capability to deliver mission-critical water automation systems for large thermal power projects. This case study can be confidently presented as a benchmark project to establish CABISOL as a preferred partner in the Water Segment for Power Plants, Raw Water Systems, and Utilities."