Rainwater Drainage Calculator

Drainage System Basics

Understanding the key components of rainwater drainage systems.

  • Runoff Rate Peak flow during rainfall events.
  • Pipe Sizing Based on flow capacity needs.
  • Slope Requirements For proper water flow.
  • System Capacity Total volume handling ability.

Design Guidelines

Surface Type

Affects runoff coefficient.

Slope

Influences flow velocity.

Maintenance

Regular cleaning needed.

Safety Margin

Account for peak events.