Box Gutter Sump Size

Sizes the depth shown of the box gutter is the depth at the upstream end.

Box gutter sump size.

Trial box gutter width the minimum width allowed for commercial projects is 300mm for domestic projects 200mm. 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. For the associated box gutter outlet. Down pipe must be vertical from sump not to the side minimum sump length is 400mm.

For commercial projects the minimum allowable width is 300mm. The outlet must be no further than the diameter of the outlet to the centre of the outlet. Colorbond box gutter measures 150mm x 150mm x 150mm. Box gutters must be straight no bends.

The width can also be any shape. 50mm clearance on both sides. Sides must be vertical. Box gutters should have a minimum fall of 1.

A box gutter is given its name as it is usually boxed into the middle or edge of the roof. 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. However any width can be entered. If draining to a sump with a vertical overflow in the middle of the box gutter use this calculator.

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. Experiment with this figure to get the depth of box gutter you require. Custom design the width of the rain water head can be increased to any width. Must have a constant slope between 1 40 and 1 200.

Experiment with this figure to get the depth of box gutter you require. Box gutter gradients shall not be flatter than 1 200 for sole widths equal to or less than 600mm wide. Vertical faces enter the full vertical face area. But cannot be reduced to less than the box gutter width.

Sumps can be made to order but are commonly manufactured in either 100mm and 150mm depths. Tapered from the bottom of the box gutter to the downpipe if required. The minimum size of a sump is 400mm x 200mm minimum width of box gutter and 150mm deep. Sumps are usually attached between a box gutter and the downpipe.

Overflow devices need to discharge to the atmosphere in such a way as to prevent damage to buildings and property. Learn more how to storm water design for building sites. How much fall should i have on a box gutter. Trial box gutter width the minimum width allowed for domestic projects is 200mm.