Auxiliary Gutter Sizing

Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.

Auxiliary gutter sizing. Calculate roof area to be drained by your gutter system and note. Sizing calculator wireway selection 4 x4 6 x6 8 x8 4 o uses splices and taps splices and taps are permitted within a wireway provided they are accessible. 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.

How to calculate auxiliary gutter fill 366 22 a b categories. I believe also the gutter was used because the underground conduits didn t line up with the main 800amp cabinet. 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. When you are completing a gutter replacement the first point to note is that gutters come in different sizes.

The gutter and downspout size required is highly dependent on the amount of gutter and the spacing of the downspouts. Electrical safety sizing a gutter for the proper fit is relatively easy. The conductors including splices and taps shall not fill the wireway to more than 75 percent of its area at the point of a splice or tap. 6 inch 7 960 square feet.

I get a lot of calls to make sure that the gutter that they are using is up to code. So if the proper sized gutter 32inch in height were used the upper disconnects in the meter stack modules would be over the 6ft 7inch rule. Downspouts also come in different sizes such as 2 3 inches and 3 4 inches in size. Total roof area also affects runoff.

Thankyou reno for the effort to explain the proper way to size this auxiliary gutter. Please lower the maximum spacing between downspouts to see this effect. Then use the chart below to see what size gutter you need. The total rainfall and how rapidly it falls will affect the runoff from the roof.

Gutter sizing step 1 determine roof area to be drained. An inch of rain is not much but it if falls in half an hour it could flood a gutter. Gather some basic weather information to calculate the proper size for gutters and downspouts for a house.