•4 min read
Gravity sewer gradients in the UK: minimum and maximum slopes — BS EN 752 and Sewerage Sector Guidance
How to choose the slope of a gravity sewer in the UK: self-cleansing velocity, the 1/DN rule of thumb, minimum and maximum gradients, and which framework applies (BS EN 752 and the sewerage undertaker's DCG for public sewers; Building Regulations Part H for building drainage).
•4 min read
Sewer long section to DXF — step by step
From field coordinates to a CAD-ready longitudinal profile of a gravity sewer. A concrete walkthrough: import, gradients, manholes, drop connections, dual-scale DXF export.