BEC Construction


Riyadh, Saudi Arabia


• 9 Blocks

• 18 Bi-sorting Systems



STC Riyadh: Redefining Sustainable Urban Living with DownWaste

DownWaste is proud to be a part of the STC project in Riyadh, a pioneering initiative transforming urban living through smart city technology integration. Our contribution involved developing a cutting-edge four-stream bi-sorting pneumatic recycling chute system. This customized solution aligns perfectly with the project’s sustainability and efficiency goals, marking a significant step towards a greener future for residents.


  • High-Performance Chute System:
    Durable and optimal performance ensured by 500mm diameter chutes constructed from 1.5mm stainless steel.
  • Quiet Operation:
    2mm Soundl insulation coating minimizes noise generation for a peaceful living environment.
  • Smart Sorting Stations:
    Self-closing 3D volume-controlled hopper doors with press buttons allow for efficient selection of four waste streams. Handles promote controlled waste intake and odor prevention.
  • Advanced Hygiene System:
    Includes an electric disinfection and fan system to maintain optimal chute hygiene.


  • Sustainable Practices:
    DownWaste’s solution promotes waste segregation and recycling, aligning with the STC project’s environmental goals.
  • Enhanced Resident Experience:
    Quiet operation, odor control, and user-friendly sorting stations contribute to a more comfortable living environment.
  • Operational Efficiency:
    The bi-sorting system facilitates efficient waste management and transportation.


The STC project exemplifies how innovative waste management solutions can contribute to sustainable smart city development. DownWaste’s four-stream bi-sorting pneumatic recycling chute system sets a new standard for responsible urban living, paving the way for a greener future.

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