The total flow is used to size the sump and overflow.
Box gutter size calculator.
Northclad gutter size requirement calculator this calculator uses current data to calculate the required size of gutter as well as number and size of downspouts based on your input.
Note this program is free to use and is based on the australian plumbing code as nzs 3500 3 2015.
Based on the location roof design and overflow types the calculator provides the allowable gutter types downpipe sizes and whether the selected overflow measures are adequate.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
Gutter sizing step 1 determine roof area to be drained.
Downpipe eaves gutter long straight eaves gutters box gutter to rain water head box gutter vertical faces box gutter side o flow box gutter vertical o flow storm water pipe size storm water network overland flow path spitter upstream end custom rain water head.
5 inch 5 520 square feet.
The side with the maximum flow is used to size the box gutter.
Learn more how to storm water design for building sites.
Find out how this is a simplified version of the other box gutter calculators.
This free online box gutter calculator will calculate the size of box gutters and sumps with a side overflow in accordance with the australian plumbing code as nzs 3500 3 2003 part 3 storm water drainage.
The capacity of a sloped rectangular gutter may be approximated by using a gutter cross section area not less than that of a semicircular gutter and a depth to width ratio of at least 0 75.
6 inch 7 960 square feet.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
Gutter sizing step 3 calculate water flow during rainfall extremes gutter sizing step 4 calculate water handling capacity for gutter downspout options.
Calculate roof area to be drained by your gutter system and note roof pitches.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
5 inch 5 520 square feet.
Then use the information below to see what size gutter you need.
This free online box gutter calculator will size box gutters and rain water heads in accordance with the australian plumbing code as nzs 3500 3 2003 part 3 storm water drainage.
15 m is a practical maximum gutter length to be served by a downspout.
This calculator has been created and designed for excel 2013 for windows.
It is a ms excel file and uses data contained in ncc volume two for the calculations.
We recommend using this calculator as a basic tool to begin determining the requirements for your drainage system however all information should be verified by.
To limit the effects of thermal expansion in gutters 50 ft.
