Home / China ENFI Engineering Develops Massive Waste Treatment Facility Completely Hidden from Residents

Xiong’an, Hebei, China

China ENFI Engineering Develops Massive Waste Treatment Facility Completely Hidden from Residents

Bentley Applications Helped Them Design Underground While Improving Efficiency and Shortening Development Time

About our customer

China ENFI Engineering Co., Ltd.

China ENFI Engineering Corporation (ENFI) provided digital services for the design and construction of a massive, 220,000-square-meter underground waste treatment facility in Xiong’an, China. Tasked with creating a “waste-free city,” ENFI designed a plant to process 3,060 tons of daily waste from 6.5 million people. Utilizing a suite of Bentley applications, ENFI established a collaborative digital workflow to manage the project’s complexity and deliver it on a tight timeline.

Project Playbook: AutoPIPE®, Bentley Descartes™, Bentley LumenRT™, Bentley Raceway and Cable Management™, iTwin®, iTwin Capture, MicroStation®, OpenBuildings®, OpenPlant®, OpenRoads™, ProjectWise®, ProStructures™, SYNCHRO™

Aerial view of a modern, green-roofed waste treatment facility by China ENFI Engineering, featuring landscaped gardens, a central pond, walking paths, sports courts, and a tall smokestack surrounded by dense forest.

Key Takeaways

Aerial view of a large construction site for a waste treatment facility by China ENFI Engineering, with cranes and scaffolding, partially built structures, green fields, and temporary buildings—strategically hidden from residents.

CNY 13.7 million in cost savings

130% improvement in design efficiency

50-day reduction in construction time

Up to 80% lower emissions

A large building with a green roof and surrounding gardens is shown near a pond; a tall tower with glass observation decks rises in the background—a hidden waste facility designed by China ENFI Engineering blends seamlessly into the landscape.

Digital Workflows for Complex Underground Design

ENFI faced the unprecedented challenge of designing a large, multi-process industrial complex completely hidden from view underground, beneath a public park. The project required integrating innovative technologies to process six different waste types within a confined space, presenting significant technical problems related to ventilation, logistics, and fire protection. With over 60 people from 13 different specialties involved, initial 2D design methods proved insufficient, necessitating a move to a collaborative 3D digital platform to ensure quality and efficiency.

Solutions

Connected Data for Collaboration

Using ProjectWise, ENFI established a connected data environment that brought all project participants together, ensuring everyone had access to up-to-date information for effective project management and collaboration.

Line drawing of a computer monitor displaying control sliders on the left and a geometric hexagon design on the right, reflecting how Essential Energy uses Bentley solutions to reduce costs.

Integrated 3D Modeling

The team used OpenPlant for 3D modeling and pipe layout and OpenBuildings to create a comprehensive digital twin, combining all design elements and prefabricated components in a single, detailed model.

Icon Cloud Software

Enhanced Visualization and Review

Animations created with LumenRT helped stakeholders intuitively understand the design intent. This visualization was critical for design reviews, improving communication and accelerating decision-making among the large, diverse team.

Large, light gray quotation marks on a white background.

Bentley technology was used to realize the innovative application of deindustrialization and seamless design with a variety of industrial facilities hidden underground and country parks on the ground.

Zheng Peng, Director of BIM Digital Engineering Office of Energy, Environment and Urban Construction Division, China ENFI Engineering

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