Box Gutter Size Calculator

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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. 5 inch 5 520 square feet. The total flow is used to size the sump and overflow. If a roof s various drainage areas call for different size gutters go for the biggest one k style.

Then use the information below to see what size gutter you need. Then use the chart below to see what size gutter you need. It is a ms excel file and uses data contained in ncc volume two for the calculations. 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.

Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. 6 inch 7 960 square feet. 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. This calculator has been created and designed for excel 2013 for windows.

The side with the maximum flow is used to size the box gutter. 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. 5 inch 5 520 square feet.