Waste Stack

Definition

A Waste Stack is a vertical pipe that carries liquids other than human waste.

Purpose

The purpose of a waste stack is to efficiently transport gray water and other non-sewage liquids from fixtures like sinks, showers, and dishwashers to the drainage system. It ensures the safe and hygienic removal of wastewater from a building.

Examples of Use

• Residential Plumbing: Waste stacks carry water from kitchen sinks, laundry rooms, and showers.
• Commercial Buildings: Transport wastewater from office kitchens and restroom sinks.
• Industrial Facilities: Handle liquid waste from various non-sanitary processes.

Related Terms

• Vent Stack: A pipe that allows air to enter the plumbing system to maintain proper pressure and flow.
• Soil Stack: A vertical pipe that carries both human waste and wastewater from toilets and other fixtures.
• Drainage System: The network of pipes that removes wastewater from a building.

Notes

Waste stacks must be properly installed and maintained to prevent leaks, blockages, and contamination of the plumbing system. They are a crucial component of building sanitation and safety.