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.
Box gutter size calculator.
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 total flow is used to size the sump and overflow.
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.
The side with the maximum flow is used to size the box gutter.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
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.
It is a ms excel file and uses data contained in ncc volume two for the calculations.
Learn more how to storm water design for building sites.
Then use the information below to see what size gutter you need.
6 inch 7 960 square feet.
5 inch 5 520 square feet.
This calculator has been created and designed for excel 2013 for windows.
Then use the chart below to see what size gutter you need.