The STEP Project Metasensing Abu Dhabi's Infrastructure

The Essence of STEP:


Abu Dhabi, the capital city of the United Arab Emirates, is known for its rapid urbanization and development. With a growing population and increasing demands for infrastructure, the city has embarked on various ambitious projects to meet the needs of its residents. One such project is the Strategic Tunnel Enhancement Programme (STEP), which aims to enhance the city's tunnel infrastructure and improve its wastewater management system.


The concept of the STEP system revolves around the use of a series of link sewers to intercept flows from existing gravity sewers upstream. These flows are then transferred by gravity into a deep tunnel sewer, providing relief to the existing main collector system. The deep tunnel sewer acts as a conduit, transporting the wastewater to centralized wastewater treatment facilities located at Al Wathba, at the southern end of the metropolitan area of Abu Dhabi.


The primary objective of the STEP project is to alleviate the strain on the existing wastewater infrastructure and ensure efficient and sustainable wastewater management. By diverting the flows through the deep tunnel sewer, the project aims to reduce the risk of overflow and flooding, especially during heavy rainfall events. This not only protects the environment but also safeguards public health and enhances the overall quality of life for residents.

Objectives and Benefits


The project's primary goal is to alleviate existing infrastructure strain, ensuring efficient wastewater management. By reducing overflow risks and flooding, especially during heavy rainfall, STEP safeguards public health and the environment, aligning with Abu Dhabi's sustainable development vision.

Sustainable Approach


STEP's use of gravity-driven tunneling minimizes energy consumption, reducing operational costs and carbon emissions. This aligns with Abu Dhabi’s vision to lead in sustainability and green infrastructure.


Moreover, the STEP project showcases the city's dedication to innovation and technological advancements. The use of state-of-the-art monitoring systems and instrumentation, such as those provided by Encardio Rite, ensures the safety and integrity of the tunnel infrastructure. These systems enable real-time data collection and analysis, allowing for proactive maintenance and timely interventions, thus ensuring the long-term reliability and performance of the tunnel system.

Encardio Rite’s Role in STEP

Encardio Rite was pivotal in the monitoring and surveying solutions for this project. Our involvement spanned:

  • Pre and post-construction building surveys
  • Supply and installation of geotechnical and precise survey instruments
  • Comprehensive monitoring and optical surveying
  • Data processing and reporting
  • Calibration of dataloggers and sensors
  • Data Management System

Monitoring Solutions

Our tailored monitoring plans for shafts, tunnels, and structures within the Zone of Influence (ZOI) included:

Impact and Recognition

The STEP project has garnered international acclaim for its innovative approach to wastewater management and tunnel infrastructure. Encardio Rite’s Metasensing solutions have ensured the safety, integrity, and long-term performance of the tunnel system, setting new benchmarks in infrastructure development.


The STEP project is more than an infrastructure endeavor; it's a symbol of Abu Dhabi’s commitment to sustainable, innovative urban development. With Encardio Rite's Metasensing expertise, this project stands as a beacon for future cities aiming for efficiency and environmental responsibility.

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