Box Gutter Sump Size

Custom design the width of the rain water head can be increased to any width.

Box gutter sump size.

Down pipe must be vertical from sump not to the side minimum sump length is 400mm. Trial box gutter width the minimum width allowed for commercial projects is 300mm for domestic projects 200mm. Learn more how to storm water design for building sites. 50mm clearance on both sides.

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. Colorbond box gutter measures 150mm x 150mm x 150mm. For commercial projects the minimum allowable width is 300mm. The minimum size of a sump is 400mm x 200mm minimum width of box gutter and 150mm deep.

Vertical faces enter the full vertical face area. Box gutters must be straight no bends. Box gutters should have a minimum fall of 1. Sides must be vertical.

The gutter collects the water and disposes of it through the drainpipe. 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. Must have a constant slope between 1 40 and 1 200. Sumps can be made to order but are commonly manufactured in either 100mm and 150mm depths.

The outlet must be no further than the diameter of the outlet to the centre of the outlet. Experiment with this figure to get the depth of box gutter you require. The rectangular overflow width is equal to the box gutter width less 100mm. How much fall should i have on a box gutter.

But cannot be reduced to less than the box gutter width. For the associated box gutter outlet. Box gutter gradients shall not be flatter than 1 200 for sole widths equal to or less than 600mm wide. 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.

However any width can be entered. A box gutter is given its name as it is usually boxed into the middle or edge of the roof. Overflow devices need to discharge to the atmosphere in such a way as to prevent damage to buildings and property. Trial box gutter width the minimum width allowed for domestic projects is 200mm.

Sumps are usually attached between a box gutter and the downpipe. If draining to a sump with a vertical overflow in the middle of the box gutter use this calculator. Experiment with this figure to get the depth of box gutter you require. Deviations from the gradient must be smooth and prevent towards the outlet without a proportional permanent ponding.