Box Gutter Sump Size

50mm clearance on both sides.

Box gutter sump size. This will give a sump depth about 150mm. If this is the case the sump length will increase to accommodate the downpipe. Trial box gutter width the minimum width allowed for commercial projects is 300mm for domestic projects 200mm. Experiment with this figure to get the depth of box gutter you require.

Sumps can be made to order but are commonly manufactured in either 100mm and 150mm depths. Learn more how to storm water design for building sites. Flow as the down pipe. The code sump length is 600mm.

Box gutter gradients shall not be flatter than 1 200 for sole widths equal to or less than 600mm wide. The minimum size of a sump is 400mm x 200mm minimum width of box gutter and 150mm deep. Sump with a side overflow device sumps do require an increase in the depth of flow in the box gutter and gutters are to be fitted with either. Sumps are usually attached between a box gutter and the downpipe.

Where there is more than one overflow the design flow is divided equally and the spitter size shown will also be the suggested dp size for this fraction of the flow. The depth shown of the box gutter is the depth at the upstream end. For the associated box gutter outlet. However if you choose to go above 16l s the downpipe may get larger than 150 dia.

The outlet must be no further than the diameter of the outlet to the centre of the outlet. Overflow devices need to discharge to the atmosphere in such a way as to prevent damage to buildings and property. 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. A box gutter is given its name as it is usually boxed into the middle or edge of the roof.

The gutter collects the water and disposes of it through the drainpipe. The overflow diameter is the same as the downpipe diameter. Colorbond box gutter measures 150mm x 150mm x 150mm. How much fall should i have on a box gutter.

Deviations from the gradient must be smooth and prevent towards the outlet without a proportional permanent ponding. The suggested down pipe diameter is shown for reference purposes only. They collect storm water before it is carried away by the downpipe and they also serve to catch any debris before it enters the downpipe.