Potable = Personal + Cooking + Cleaning + Gardening + Industry.
1. Which set of services is generally included under utilities in buildings?
2. What is the main purpose of a potable water supply in a building?
3. What does a water supply system do in a building?
Utilities — definition?
Infrastructure services provided to consumers.
Potable water supply — role?
Provides safe drinking and hygienic water.
Water entering building — divided?
Into cold water and hot water.
Pipe diameter for domestic?
20 mm for domestic pipes.
Cold water direct system — feature?
Supplies water directly from mains without storage.
Cold water indirect system — advantage?
Provides 12–24 hrs storage during main failure.
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