water management industry

Integrated water management leads to 12 % reduction of on-site water consumption

Reference case Brussels Airport (Belgium)

Introduction to the challenge

Brussels Airport has expressed the ambition to reduce drinking water consumption by 10 % over a period of 5 years.

Our approach

Rigorous inventory and cost-benefit analysis of all possible water saving measures

Brussels Airport Belgium
The project involved the following steps:   
  • Audit of the actual on-site water management:
    • Extensive analysis of the current on-site water balance and water flows
    • The following were mapped: water supply, wastewater discharge and rainwater discharge
    • Extensive analysis of the various water consumers
    • Establishment of the on-site water balance
    • Identification of large consumers
  • Inventory of water saving measures: 
    • Development of water saving scenarios
    • Measures include:
      • Waterless urinals throughout the buildings
      • Use of alternative water sources
      • Reuse of run-off rainwater for toilet flushing, water supply to cooling towers, use as fire extinguishing water
  • Analysis of technical feasibility
  • Cost-benefit and profitability analysis of the water saving measures
  • Guidelines for sustainable water management in new infrastructure projects to be implemented

Our solution

Introduction of water saving technologies and maximum use of rainwater

  • Advanced master plan including measures resulting in a reduction of tapwater consumption by 12 %
  • Guideline book for sustainable water management in future on-site developments

The benefits

12 % reduction of on-site water consumption and sustainable water management plans for new infrastructure projects

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