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Read through the material below, then test your understanding.
Module Lessons
Advanced Sanitation & Rainwater Systems
Sanitation Legislation: Parts F, G & H
BS EN 12056 & European Drainage System Types
Primary Ventilated Stack Systems
Air Admittance Valves (AAVs)
Off-Grid Drainage: Cesspools & Septic Tanks
Off-Grid Drainage: Reed Beds
Branch Pipework Design Rules
Macerators: Installation & Operation
Waste Water Lifting Stations
AAV Spacing & Fire Stop Requirements
Calculating Discharge Stack Sizes
Designing Rainwater Systems
Calculating Gutter Sizes
Air Testing Sanitation Systems
Maintaining Macerators & Lifters
Diagnosing Sanitation & Rainwater Faults
Lesson Overview
Effective rainwater system design requires selecting appropriate gutter profiles, calculating falls, and correctly positioning outlets to manage precipitation efficiently without overflowing.
Learning Objectives
Identify common gutter profiles, materials, and bracket fixing requirements under BS EN 12056-3.
Explain the impact of gutter fall, thermal movement, and direction changes on overall drainage capacity.
Compare the hydraulic performance of centre running outlets versus stop end outlets.
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