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Table 1 Building blocks (external factors) for building future scenarios relevant for the urban water and wastewater pipe systems

From: Using the multiple scenario approach for envisioning plausible futures in long-term planning and management of the urban water pipe systems

  Type of impact
Direct (physical) impact Indirect (nonphysical) impact
External factor Climate change Governing and regulating aspects
Demographics Service level delivered to end users
Technologic and methodical development
Ambition of the water utilities
Economy
Organizational capacity