Roof Gutter Design Site Map
GENERAL
HOME PAGE
Roof Drainage Overflow Notes.
Rain Shadows and Roof Slopes
How to find Rainfall Intensity
How to Calculate Roof Areas
How to Calculate Roof Areas from a PDF file (video)
How to exceed the code limits
Why Have I put this up here?
About the author - Ken Sutherland
Contact Form
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Downpipe and Eaves gutter Calculator
Downpipe and Eaves gutter Calculator
Overflow Calculator for Eaves gutters
Notes on using the Eaves Gutter & Downpipe Sizing Calculator
CSIRO method for calculating Downpipe and Eaves gutter sizes For long straight gutters
How to use the Extra features of the Downpipe calculator.
DP Sample Results Printout. (Where to add your job details.)
Get the Phone app for android
Box Gutter with Rain Water head at the end (Simplified)
Box Gutter draining to a rainwater head at the end of the box gutter.
Notes on the Simplified Box gutter Calculator
Box Gutter allowable Width Slope and Length
Sample Printout
Sample Printout when flow exceeds 16 L/s
How to Design Box Gutters to the Australian Plumbing Code AS 3500.3-2015
Box Gutter with Rain Water Head incorporating Vertical Faces.
Sizing box gutter with vertical faces and outlet at one end
Box Gutter allowable Width Slope and Length
Box gutter with sump and side overflow
Sizing box gutter with sump and side overflow
Box Gutter allowable Width Slope and Length
Box gutter with sump and vertical overflow
Sizing box gutter with sump and vertical overflow
Box Gutter allowable Width Slope and Length
Custom Rain Water Head
Design a custom rain water head.
Open Channel, Overland flow Calculator
Sizing open channels for stormwater runoff
Storm Water Pipe Sizing
Stormwater pipe design for small building sites (single pipe)
Full stormwater pipe design for building sites (Multiple connected pipes)
Notes on Using the Storm Water Pipe Size Calculator
Notes and Instructions on using the Storm Water pipe Network calculator.
Notes and Requirements on Storm Water Pipe Design, using the Australian Plumbing Code.
BLOGS
Welcome to my Blog Site
How does roof slope affect the Catchment Area?
Is this strange logic?
Ever wondered what angle rain falls during a once in 100 year storm?
What is a Rain Shadow? and why do I need to know?


The following are outside the scope of the Plumbing Code.
Spitter at the wrong (upstream) end. Written in Java, Best to use Firefox browser. Wont work in Chrome.
Spitter at upstream end of box gutter

Non Rectangular Box Gutters (outside of Code. Written in Java.)
Calculate size of non rectangular box gutter