Slope on the Non Wet Area - The Engineer's Blog

the non-wet area is flat by design and any excess water in this surface may go in any direction due to slight differences in levels.

The Measures For Controlling Slip, Trip And Fall Hazards At Work

Does Your Tile Slope To the Drain?

How to Install Decking on a Slope - Newtechwood

Does Drain Tile Need to be Sloped?

Underground Drainage Installation Basics, by EasyMerchant

Soil Moisture Content in Construction

How To Prevent a Wet Basement by Fixing Your Home's Drainage

Mass Movements

Easy Ways to Dry Up a Wet Yard (with Pictures) - wikiHow

Guide to Commercial Roof Drains, Siphonic Drains for Flat Roofs - IKO

When to Use a Fluid-Applied Air Barrier or a Sheet-Applied Air

Microstructural engineering of high-power redox flow battery

Wet-Room Drainage - Fine Homebuilding