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Lesson 2 of 16

BS EN 12056 & European Drainage System Types

Read through the material below, then test your understanding.

Module Lessons

Advanced Sanitation & Rainwater Systems

Lesson Overview

BS EN 12056 establishes the European standards for internal gravity drainage systems. It defines five key operational parts and categorises discharge pipework into four distinct system types.

Learning Objectives

Identify the five specific parts of the BS EN 12056 drainage standard.

Distinguish between the four European system types and their design filling degrees.

Explain the hydraulic principles of trap equilibrium and stack airflow requirements.

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