Roof Sump Size

0404295247 or fill out the following form.

Roof sump size.

For example a 4 in. Following this logic it is possible that for roof drains 6 in. The calculator will not go below this. 450mm x 450mm to suit 450mm and above box gutters.

Calculate total roof area. For any sumpjet inquiries questions or commendations please call. For the purposes of this appendix the following metric conversions are applicable. You will need to complete this step to determine the width and depth of the sump s overflow channel.

The square downpipes are 100 mm x 100 mm. Size determine the width and depth of the sump s overflow channel. Determining the width and depth of a sump s overflow channel is the next step in sizing materials and components for a roof drainage system with box gutters and sumps. The next stage is for you to determine the clearance around the sump s overflow channel.

The sump has an overflow of 300 mm and a depth of 240 mm. Roof drain system and size the scuppers denoting the required head of water above the scupper for the structural engineer. The roof drainage system has a design flow of 9 3 l s. Gutter outlets sumps rain heads nozzles downpipe size quantity and placement.

Or less in diameter the piping will be larger in diameter than the roof drain. One mistake that is commonly made with roof sumps is that they are made with extended flat areas. Roof area is 300 x 500 ft. You can view information on the design of roof drainage systems in the brochure for your state.

Roof drain connected to an 8 in. 300 x 500 150 000 sq. Step by step sizing of zurn drains step 1. When sizing roof drains the limiting factor for the amount of water each drain will carry away is the size of leader therefore increasing leader size decreases the number of drains required.

Sizes the depth shown of the box gutter is the depth at the upstream end. The suggested down pipe diameter is shown for reference purposes only. Choose an available dp size or any other size and enter that for the calculation of the sump. A roof sump eliminates standing water at the roof drain and is.

The minimum sump depth is 150mm. For larger roof drains the pipe may be smaller such as a 10 in. Now to have a nicely tapered roof only to lead to a 3 by 3 flat sump is going to make a white. 1 in 25 4 mm 1 ft 305 mm 1 ft2 0 0929 m2 100 0 figure a101 1 example roof plan 4 a 101 2 solution.

However if you choose to go above 16l s the downpipe may get larger than 150 dia. This is the most popular size in our range of sumps available sump jet works with 150mm pvc pipes. Roof drain connected to a 6 in. Lysaght rainwater solutions nsw guide pdf 2 8 mb.

If this is the case the sump length will increase to accommodate the downpipe. Roof sumps help the roof shed water more effectively and help eliminate the water pond size if the drain was not installed at the correct height. This will give a sump depth about 150mm. Minimum sump length is 400mm.