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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
Learn how to calculate effective roof areas, select correctly sized half-round eaves gutters and downpipes, and apply Building Regulation Part H standards.
Learning Objectives
Calculate the effective roof area for pitched roofs using standard formulas and pitch factors.
Select appropriate gutter diameters and downpipe sizes using Approved Document H flow tables.
Apply sizing adjustments for roof layout, gutter falls, outlets, and pipework bends.
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