Sizing Box Gutters

The side with the maximum flow is used to size the box gutter.

Sizing box gutters.

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. Gutter sizing step 1 determine roof area to be drained.

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. Adding additional downspouts will require less gutter and downspout volume resulting in smaller gutters downspouts. 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 gutter and downspout size required is highly dependent on the amount of gutter and the spacing of the downspouts. The total flow is used to size the sump and overflow. 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.

If a roof s various drainage areas call for different size gutters go for the biggest one k style. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. Gutter sizing step 2 research historical rainfall data gutter sizing step 3 calculate water flow during rainfall extremes gutter sizing step 4 calculate water handling capacity for gutter downspout options. Please lower the maximum spacing between downspouts to see this effect.