Drainage Design Spreadsheets

PIPE FLOW CALCULATOR

This spreadsheet uses the Colebrook-White and Manning Equations to calculate the flow capacity and velocity in pipes acting under gravity.

Find Out More

Find Out More

Buired Pipe Design Spreadsheet

This spreadsheet can be used to design concrete, steel, plastic and other buried pipes in accordance with BS EN 1295-1.

Learn More

Find Out More

Manning Open Channel Design Spreadsheet

This spreadsheet uses the Manning formula to calculate the flow conditions in an open channel acting under gravity only.

Learn More

Find Out More

Runoff Calculator Spreadsheet

This spreadsheet calculates the design runoff flow for a site in accordance with the Flood Estimation Handbook.

Learn More

Find Out More

Linear Drainage Design Spreadsheet

This spreadsheet calculates the maximum flow from a specified linear drainage channel and checks whether the channel is sufficient for the specified site and storm conditions.

Learn More

Find Out More

Attenuation Design Spreadsheet

This spreadsheet calculates the requirements for a attenuation system and assists the user to design a suitable system.

Learn More

Find Out More

Soakaway Design Spreadsheet

This spreadsheet calculates the requirements for a soakaway system and assists the user to design a suitable system.

Learn More

Find Out More

Concrete Protection Slab

This detailed design spreadsheet designs a protection slab commonly installed to protect shallow pipes.

Learn More

Find Out More

Full Drainage Design Suite

Full drainage design suite (£80 Discount) including 7 design  suites;

  • Pipe Flow Calculator
  • Buried Pipe Design
  • Manning Open Channel Design
  • Linear Drainage Design
  • Runoff Calculator
  • Attenuation Design
  • Soakaway Design
  • Concrete Protection Slab

Learn More

Find Out More