CLIENT: Tecton Engineering & Construction LLC
END CLIENT: TRANSCO / TAQA Transmission
Recognized for excellence.
PROJECTS DELIVERED ACROSS THE GLOBE
Project Overview:
The project involves the development of a new Unit V Pumping Station and associated DN1000 carbon steel potable water transmission pipeline to transfer water to Shobaisi Pumping Station. The system is designed to supply seven interface points along the route, ensuring reliable potable water distribution across the Eastern Region of Abu Dhabi.
The pumping station is configured with multiple pumps operating under normal and emergency conditions, supported by surge protection systems, reservoirs and bypass arrangements to ensure operational flexibility and resilience. This HAZOP Study in Abu Dhabi was carried out to evaluate process safety, operational integrity and reliability of the potable water transmission system.
Scope of Work
The scope of work involved conducting a comprehensive HAZOP Study for the Unit V Pumping Station and associated DN1000 potable water transmission system. This included detailed review of PFDs, P&IDs and layout drawings to evaluate the inlet system, reservoir, pump suction and discharge piping, surge protection systems and transmission pipeline up to the tie-in point. The study focused on identifying potential process deviations, assessing risks using the Company Risk Matrix and recommending measures to enhance system safety, operability and reliability.
Methodology & Outcome
The HAZOP Study was carried out using a structured Hazard and Operability Study (HAZOP) approach, in line with standard industry practices and the Company Risk Matrix. The system was systematically divided into six nodes. Each node was analyzed using standard guidewords such as No Flow, More Flow, High Pressure, Low Pressure and Reverse Flow to identify potential deviations from design intent. A multidisciplinary workshop was conducted with relevant stakeholders to evaluate causes, consequences and existing safeguards. Risk ranking was performed using the Company Risk Matrix and a total of 9 recommendations were developed to mitigate identified risks and ensure all scenarios were reduced to ALARP levels. The system is considered safe and operable, subject to implementation of the recommended actions.
Conclusion
This HAZOP Study project for the Unit V Pumping Station and DN1000 potable water transmission pipeline in Abu Dhabi successfully identified key operational and process safety risks associated with the pumping station, surge protection systems and transmission network. Through systematic node-based analysis and multidisciplinary review sessions, the study provided practical recommendations to improve system safety, reliability and operability while ensuring compliance with project and client safety requirements. The outcome of the study supported safe project execution and long-term operational resilience for the potable water distribution infrastructure in Abu Dhabi.
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