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Upgrade nowInstallation Depths and Building Entry
Read through the material below, then test your understanding.
Module Lessons
Cold Water
Incoming Mains: Communication vs. Supply Pipes
Installation Depths and Building Entry
Direct Cold Water Systems
Indirect Cold Water Systems
Siting and Installing Storage Cisterns
Float-Operated Valves and Overflows
Principles of Backflow
Terminal Fittings and Taps
Non-Mechanical Backflow Prevention (Air Gaps)
Water Treatment and Distribution
Mechanical Backflow Prevention Valves
Commissioning: Testing and Flushing
Lesson Overview
Underground service pipes must be installed at precise depths and correctly ducted when entering buildings. Following these statutory installation rules protects wholesome drinking water from frost damage, physical crushing, ultraviolet degradation, and contamination.
Learning Objectives
Identify the statutory depth range for underground cold water service pipework.
Explain the ducting, sealing, and material requirements for service pipes entering a building.
State the internal isolation, drain-off, and separation standards for wholesome water supplies.
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