By A Mystery Man Writer
If you don't get the details right, a sleeve for a drain pipe or other mechanicals will weaken a concrete footing.
FG01.5 - Pipe Penetration Foundation Details
Introduction to Footings for Freestanding Sign Structures, Blog
Footings JLC Online
Foundation Drainage
Preparing the Footings and the Observatory Floor
Water supply line runs through footing site
Introduction to Footings for Freestanding Sign Structures, Blog
Construction Around Lines
Pre-made concrete deck footings - ideal for residential additions.
Plumbing in Footings : r/StructuralEngineering
Footings JLC Online
2021 INTERNATIONAL TINY HOUSE PROVISIONS: CODE, COMMENTARY AND STANDARDS FOR DESIGN
Perforated Pipe - Holes Up or Down?
No-Dig Zone
With any foundation coating and insulation you might use to help avoid a wet basement or seeping slab, it must be paired with permanently working drain.